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TypeScript/bin/tsc.js
Mohamed Hegazy 8bf61c7be1 Update LKG
2015-04-01 09:26:30 -07:00

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/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
var ts;
(function (ts) {
(function (ExitStatus) {
ExitStatus[ExitStatus["Success"] = 0] = "Success";
ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped";
ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated";
})(ts.ExitStatus || (ts.ExitStatus = {}));
var ExitStatus = ts.ExitStatus;
(function (DiagnosticCategory) {
DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning";
DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error";
DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message";
})(ts.DiagnosticCategory || (ts.DiagnosticCategory = {}));
var DiagnosticCategory = ts.DiagnosticCategory;
})(ts || (ts = {}));
/// <reference path="types.ts"/>
var ts;
(function (ts) {
function forEach(array, callback) {
if (array) {
for (var i = 0, len = array.length; i < len; i++) {
var result = callback(array[i], i);
if (result) {
return result;
}
}
}
return undefined;
}
ts.forEach = forEach;
function contains(array, value) {
if (array) {
for (var _i = 0; _i < array.length; _i++) {
var v = array[_i];
if (v === value) {
return true;
}
}
}
return false;
}
ts.contains = contains;
function indexOf(array, value) {
if (array) {
for (var i = 0, len = array.length; i < len; i++) {
if (array[i] === value) {
return i;
}
}
}
return -1;
}
ts.indexOf = indexOf;
function countWhere(array, predicate) {
var count = 0;
if (array) {
for (var _i = 0; _i < array.length; _i++) {
var v = array[_i];
if (predicate(v)) {
count++;
}
}
}
return count;
}
ts.countWhere = countWhere;
function filter(array, f) {
var result;
if (array) {
result = [];
for (var _i = 0; _i < array.length; _i++) {
var item_1 = array[_i];
if (f(item_1)) {
result.push(item_1);
}
}
}
return result;
}
ts.filter = filter;
function map(array, f) {
var result;
if (array) {
result = [];
for (var _i = 0; _i < array.length; _i++) {
var v = array[_i];
result.push(f(v));
}
}
return result;
}
ts.map = map;
function concatenate(array1, array2) {
if (!array2 || !array2.length)
return array1;
if (!array1 || !array1.length)
return array2;
return array1.concat(array2);
}
ts.concatenate = concatenate;
function deduplicate(array) {
var result;
if (array) {
result = [];
for (var _i = 0; _i < array.length; _i++) {
var item_2 = array[_i];
if (!contains(result, item_2)) {
result.push(item_2);
}
}
}
return result;
}
ts.deduplicate = deduplicate;
function sum(array, prop) {
var result = 0;
for (var _i = 0; _i < array.length; _i++) {
var v = array[_i];
result += v[prop];
}
return result;
}
ts.sum = sum;
function addRange(to, from) {
if (to && from) {
for (var _i = 0; _i < from.length; _i++) {
var v = from[_i];
to.push(v);
}
}
}
ts.addRange = addRange;
function lastOrUndefined(array) {
if (array.length === 0) {
return undefined;
}
return array[array.length - 1];
}
ts.lastOrUndefined = lastOrUndefined;
function binarySearch(array, value) {
var low = 0;
var high = array.length - 1;
while (low <= high) {
var middle = low + ((high - low) >> 1);
var midValue = array[middle];
if (midValue === value) {
return middle;
}
else if (midValue > value) {
high = middle - 1;
}
else {
low = middle + 1;
}
}
return ~low;
}
ts.binarySearch = binarySearch;
function reduceLeft(array, f, initial) {
if (array) {
var count = array.length;
if (count > 0) {
var pos = 0;
var result = arguments.length <= 2 ? array[pos++] : initial;
while (pos < count) {
result = f(result, array[pos++]);
}
return result;
}
}
return initial;
}
ts.reduceLeft = reduceLeft;
function reduceRight(array, f, initial) {
if (array) {
var pos = array.length - 1;
if (pos >= 0) {
var result = arguments.length <= 2 ? array[pos--] : initial;
while (pos >= 0) {
result = f(result, array[pos--]);
}
return result;
}
}
return initial;
}
ts.reduceRight = reduceRight;
var hasOwnProperty = Object.prototype.hasOwnProperty;
function hasProperty(map, key) {
return hasOwnProperty.call(map, key);
}
ts.hasProperty = hasProperty;
function getProperty(map, key) {
return hasOwnProperty.call(map, key) ? map[key] : undefined;
}
ts.getProperty = getProperty;
function isEmpty(map) {
for (var id in map) {
if (hasProperty(map, id)) {
return false;
}
}
return true;
}
ts.isEmpty = isEmpty;
function clone(object) {
var result = {};
for (var id in object) {
result[id] = object[id];
}
return result;
}
ts.clone = clone;
function extend(first, second) {
var result = {};
for (var id in first) {
result[id] = first[id];
}
for (var id in second) {
if (!hasProperty(result, id)) {
result[id] = second[id];
}
}
return result;
}
ts.extend = extend;
function forEachValue(map, callback) {
var result;
for (var id in map) {
if (result = callback(map[id]))
break;
}
return result;
}
ts.forEachValue = forEachValue;
function forEachKey(map, callback) {
var result;
for (var id in map) {
if (result = callback(id))
break;
}
return result;
}
ts.forEachKey = forEachKey;
function lookUp(map, key) {
return hasProperty(map, key) ? map[key] : undefined;
}
ts.lookUp = lookUp;
function copyMap(source, target) {
for (var p in source) {
target[p] = source[p];
}
}
ts.copyMap = copyMap;
function arrayToMap(array, makeKey) {
var result = {};
forEach(array, function (value) {
result[makeKey(value)] = value;
});
return result;
}
ts.arrayToMap = arrayToMap;
function formatStringFromArgs(text, args, baseIndex) {
baseIndex = baseIndex || 0;
return text.replace(/{(\d+)}/g, function (match, index) {
return args[+index + baseIndex];
});
}
ts.localizedDiagnosticMessages = undefined;
function getLocaleSpecificMessage(message) {
return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message] ? ts.localizedDiagnosticMessages[message] : message;
}
ts.getLocaleSpecificMessage = getLocaleSpecificMessage;
function createFileDiagnostic(file, start, length, message) {
var end = start + length;
Debug.assert(start >= 0, "start must be non-negative, is " + start);
Debug.assert(length >= 0, "length must be non-negative, is " + length);
Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length);
Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length);
var text = getLocaleSpecificMessage(message.key);
if (arguments.length > 4) {
text = formatStringFromArgs(text, arguments, 4);
}
return {
file: file,
start: start,
length: length,
messageText: text,
category: message.category,
code: message.code
};
}
ts.createFileDiagnostic = createFileDiagnostic;
function createCompilerDiagnostic(message) {
var text = getLocaleSpecificMessage(message.key);
if (arguments.length > 1) {
text = formatStringFromArgs(text, arguments, 1);
}
return {
file: undefined,
start: undefined,
length: undefined,
messageText: text,
category: message.category,
code: message.code
};
}
ts.createCompilerDiagnostic = createCompilerDiagnostic;
function chainDiagnosticMessages(details, message) {
var text = getLocaleSpecificMessage(message.key);
if (arguments.length > 2) {
text = formatStringFromArgs(text, arguments, 2);
}
return {
messageText: text,
category: message.category,
code: message.code,
next: details
};
}
ts.chainDiagnosticMessages = chainDiagnosticMessages;
function concatenateDiagnosticMessageChains(headChain, tailChain) {
Debug.assert(!headChain.next);
headChain.next = tailChain;
return headChain;
}
ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains;
function compareValues(a, b) {
if (a === b)
return 0;
if (a === undefined)
return -1;
if (b === undefined)
return 1;
return a < b ? -1 : 1;
}
ts.compareValues = compareValues;
function getDiagnosticFileName(diagnostic) {
return diagnostic.file ? diagnostic.file.fileName : undefined;
}
function compareDiagnostics(d1, d2) {
return compareValues(getDiagnosticFileName(d1), getDiagnosticFileName(d2)) || compareValues(d1.start, d2.start) || compareValues(d1.length, d2.length) || compareValues(d1.code, d2.code) || compareMessageText(d1.messageText, d2.messageText) || 0;
}
ts.compareDiagnostics = compareDiagnostics;
function compareMessageText(text1, text2) {
while (text1 && text2) {
var string1 = typeof text1 === "string" ? text1 : text1.messageText;
var string2 = typeof text2 === "string" ? text2 : text2.messageText;
var res = compareValues(string1, string2);
if (res) {
return res;
}
text1 = typeof text1 === "string" ? undefined : text1.next;
text2 = typeof text2 === "string" ? undefined : text2.next;
}
if (!text1 && !text2) {
return 0;
}
return text1 ? 1 : -1;
}
function sortAndDeduplicateDiagnostics(diagnostics) {
return deduplicateSortedDiagnostics(diagnostics.sort(compareDiagnostics));
}
ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics;
function deduplicateSortedDiagnostics(diagnostics) {
if (diagnostics.length < 2) {
return diagnostics;
}
var newDiagnostics = [
diagnostics[0]
];
var previousDiagnostic = diagnostics[0];
for (var i = 1; i < diagnostics.length; i++) {
var currentDiagnostic = diagnostics[i];
var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0;
if (!isDupe) {
newDiagnostics.push(currentDiagnostic);
previousDiagnostic = currentDiagnostic;
}
}
return newDiagnostics;
}
ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics;
function normalizeSlashes(path) {
return path.replace(/\\/g, "/");
}
ts.normalizeSlashes = normalizeSlashes;
function getRootLength(path) {
if (path.charCodeAt(0) === 47) {
if (path.charCodeAt(1) !== 47)
return 1;
var p1 = path.indexOf("/", 2);
if (p1 < 0)
return 2;
var p2 = path.indexOf("/", p1 + 1);
if (p2 < 0)
return p1 + 1;
return p2 + 1;
}
if (path.charCodeAt(1) === 58) {
if (path.charCodeAt(2) === 47)
return 3;
return 2;
}
return 0;
}
ts.getRootLength = getRootLength;
ts.directorySeparator = "/";
function getNormalizedParts(normalizedSlashedPath, rootLength) {
var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator);
var normalized = [];
for (var _i = 0; _i < parts.length; _i++) {
var part = parts[_i];
if (part !== ".") {
if (part === ".." && normalized.length > 0 && normalized[normalized.length - 1] !== "..") {
normalized.pop();
}
else {
if (part) {
normalized.push(part);
}
}
}
}
return normalized;
}
function normalizePath(path) {
path = normalizeSlashes(path);
var rootLength = getRootLength(path);
var normalized = getNormalizedParts(path, rootLength);
return path.substr(0, rootLength) + normalized.join(ts.directorySeparator);
}
ts.normalizePath = normalizePath;
function getDirectoryPath(path) {
return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator)));
}
ts.getDirectoryPath = getDirectoryPath;
function isUrl(path) {
return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1;
}
ts.isUrl = isUrl;
function isRootedDiskPath(path) {
return getRootLength(path) !== 0;
}
ts.isRootedDiskPath = isRootedDiskPath;
function normalizedPathComponents(path, rootLength) {
var normalizedParts = getNormalizedParts(path, rootLength);
return [
path.substr(0, rootLength)
].concat(normalizedParts);
}
function getNormalizedPathComponents(path, currentDirectory) {
path = normalizeSlashes(path);
var rootLength = getRootLength(path);
if (rootLength == 0) {
path = combinePaths(normalizeSlashes(currentDirectory), path);
rootLength = getRootLength(path);
}
return normalizedPathComponents(path, rootLength);
}
ts.getNormalizedPathComponents = getNormalizedPathComponents;
function getNormalizedAbsolutePath(fileName, currentDirectory) {
return getNormalizedPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory));
}
ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath;
function getNormalizedPathFromPathComponents(pathComponents) {
if (pathComponents && pathComponents.length) {
return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator);
}
}
ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents;
function getNormalizedPathComponentsOfUrl(url) {
// Get root length of http://www.website.com/folder1/foler2/
// In this example the root is: http://www.website.com/
// normalized path components should be ["http://www.website.com/", "folder1", "folder2"]
var urlLength = url.length;
var rootLength = url.indexOf("://") + "://".length;
while (rootLength < urlLength) {
if (url.charCodeAt(rootLength) === 47) {
rootLength++;
}
else {
break;
}
}
if (rootLength === urlLength) {
return [
url
];
}
var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength);
if (indexOfNextSlash !== -1) {
rootLength = indexOfNextSlash + 1;
return normalizedPathComponents(url, rootLength);
}
else {
return [
url + ts.directorySeparator
];
}
}
function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) {
if (isUrl(pathOrUrl)) {
return getNormalizedPathComponentsOfUrl(pathOrUrl);
}
else {
return getNormalizedPathComponents(pathOrUrl, currentDirectory);
}
}
function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) {
var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory);
var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory);
if (directoryComponents.length > 1 && directoryComponents[directoryComponents.length - 1] === "") {
directoryComponents.length--;
}
for (var joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) {
if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) {
break;
}
}
if (joinStartIndex) {
var relativePath = "";
var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length);
for (; joinStartIndex < directoryComponents.length; joinStartIndex++) {
if (directoryComponents[joinStartIndex] !== "") {
relativePath = relativePath + ".." + ts.directorySeparator;
}
}
return relativePath + relativePathComponents.join(ts.directorySeparator);
}
var absolutePath = getNormalizedPathFromPathComponents(pathComponents);
if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) {
absolutePath = "file:///" + absolutePath;
}
return absolutePath;
}
ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl;
function getBaseFileName(path) {
var i = path.lastIndexOf(ts.directorySeparator);
return i < 0 ? path : path.substring(i + 1);
}
ts.getBaseFileName = getBaseFileName;
function combinePaths(path1, path2) {
if (!(path1 && path1.length))
return path2;
if (!(path2 && path2.length))
return path1;
if (getRootLength(path2) !== 0)
return path2;
if (path1.charAt(path1.length - 1) === ts.directorySeparator)
return path1 + path2;
return path1 + ts.directorySeparator + path2;
}
ts.combinePaths = combinePaths;
function fileExtensionIs(path, extension) {
var pathLen = path.length;
var extLen = extension.length;
return pathLen > extLen && path.substr(pathLen - extLen, extLen) === extension;
}
ts.fileExtensionIs = fileExtensionIs;
var supportedExtensions = [
".d.ts",
".ts",
".js"
];
function removeFileExtension(path) {
for (var _i = 0; _i < supportedExtensions.length; _i++) {
var ext = supportedExtensions[_i];
if (fileExtensionIs(path, ext)) {
return path.substr(0, path.length - ext.length);
}
}
return path;
}
ts.removeFileExtension = removeFileExtension;
var backslashOrDoubleQuote = /[\"\\]/g;
var escapedCharsRegExp = /[\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
var escapedCharsMap = {
"\0": "\\0",
"\t": "\\t",
"\v": "\\v",
"\f": "\\f",
"\b": "\\b",
"\r": "\\r",
"\n": "\\n",
"\\": "\\\\",
"\"": "\\\"",
"\u2028": "\\u2028",
"\u2029": "\\u2029",
"\u0085": "\\u0085"
};
function getDefaultLibFileName(options) {
return options.target === 2 ? "lib.es6.d.ts" : "lib.d.ts";
}
ts.getDefaultLibFileName = getDefaultLibFileName;
function Symbol(flags, name) {
this.flags = flags;
this.name = name;
this.declarations = undefined;
}
function Type(checker, flags) {
this.flags = flags;
}
function Signature(checker) {
}
ts.objectAllocator = {
getNodeConstructor: function (kind) {
function Node() {
}
Node.prototype = {
kind: kind,
pos: 0,
end: 0,
flags: 0,
parent: undefined
};
return Node;
},
getSymbolConstructor: function () {
return Symbol;
},
getTypeConstructor: function () {
return Type;
},
getSignatureConstructor: function () {
return Signature;
}
};
var Debug;
(function (Debug) {
var currentAssertionLevel = 0;
function shouldAssert(level) {
return currentAssertionLevel >= level;
}
Debug.shouldAssert = shouldAssert;
function assert(expression, message, verboseDebugInfo) {
if (!expression) {
var verboseDebugString = "";
if (verboseDebugInfo) {
verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo();
}
throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString);
}
}
Debug.assert = assert;
function fail(message) {
Debug.assert(false, message);
}
Debug.fail = fail;
})(Debug = ts.Debug || (ts.Debug = {}));
})(ts || (ts = {}));
/// <reference path="core.ts"/>
var ts;
(function (ts) {
ts.sys = (function () {
function getWScriptSystem() {
var fso = new ActiveXObject("Scripting.FileSystemObject");
var fileStream = new ActiveXObject("ADODB.Stream");
fileStream.Type = 2;
var binaryStream = new ActiveXObject("ADODB.Stream");
binaryStream.Type = 1;
var args = [];
for (var i = 0; i < WScript.Arguments.length; i++) {
args[i] = WScript.Arguments.Item(i);
}
function readFile(fileName, encoding) {
if (!fso.FileExists(fileName)) {
return undefined;
}
fileStream.Open();
try {
if (encoding) {
fileStream.Charset = encoding;
fileStream.LoadFromFile(fileName);
}
else {
fileStream.Charset = "x-ansi";
fileStream.LoadFromFile(fileName);
var bom = fileStream.ReadText(2) || "";
fileStream.Position = 0;
fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8";
}
return fileStream.ReadText();
}
catch (e) {
throw e;
}
finally {
fileStream.Close();
}
}
function writeFile(fileName, data, writeByteOrderMark) {
fileStream.Open();
binaryStream.Open();
try {
fileStream.Charset = "utf-8";
fileStream.WriteText(data);
if (writeByteOrderMark) {
fileStream.Position = 0;
}
else {
fileStream.Position = 3;
}
fileStream.CopyTo(binaryStream);
binaryStream.SaveToFile(fileName, 2);
}
finally {
binaryStream.Close();
fileStream.Close();
}
}
function getNames(collection) {
var result = [];
for (var e = new Enumerator(collection); !e.atEnd(); e.moveNext()) {
result.push(e.item().Name);
}
return result.sort();
}
function readDirectory(path, extension) {
var result = [];
visitDirectory(path);
return result;
function visitDirectory(path) {
var folder = fso.GetFolder(path || ".");
var files = getNames(folder.files);
for (var _i = 0; _i < files.length; _i++) {
var name_1 = files[_i];
if (!extension || ts.fileExtensionIs(name_1, extension)) {
result.push(ts.combinePaths(path, name_1));
}
}
var subfolders = getNames(folder.subfolders);
for (var _a = 0; _a < subfolders.length; _a++) {
var current = subfolders[_a];
visitDirectory(ts.combinePaths(path, current));
}
}
}
return {
args: args,
newLine: "\r\n",
useCaseSensitiveFileNames: false,
write: function (s) {
WScript.StdOut.Write(s);
},
readFile: readFile,
writeFile: writeFile,
resolvePath: function (path) {
return fso.GetAbsolutePathName(path);
},
fileExists: function (path) {
return fso.FileExists(path);
},
directoryExists: function (path) {
return fso.FolderExists(path);
},
createDirectory: function (directoryName) {
if (!this.directoryExists(directoryName)) {
fso.CreateFolder(directoryName);
}
},
getExecutingFilePath: function () {
return WScript.ScriptFullName;
},
getCurrentDirectory: function () {
return new ActiveXObject("WScript.Shell").CurrentDirectory;
},
readDirectory: readDirectory,
exit: function (exitCode) {
try {
WScript.Quit(exitCode);
}
catch (e) {
}
}
};
}
function getNodeSystem() {
var _fs = require("fs");
var _path = require("path");
var _os = require('os');
var platform = _os.platform();
var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin";
function readFile(fileName, encoding) {
if (!_fs.existsSync(fileName)) {
return undefined;
}
var buffer = _fs.readFileSync(fileName);
var len = buffer.length;
if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) {
len &= ~1;
for (var i = 0; i < len; i += 2) {
var temp = buffer[i];
buffer[i] = buffer[i + 1];
buffer[i + 1] = temp;
}
return buffer.toString("utf16le", 2);
}
if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) {
return buffer.toString("utf16le", 2);
}
if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) {
return buffer.toString("utf8", 3);
}
return buffer.toString("utf8");
}
function writeFile(fileName, data, writeByteOrderMark) {
if (writeByteOrderMark) {
data = '\uFEFF' + data;
}
_fs.writeFileSync(fileName, data, "utf8");
}
function readDirectory(path, extension) {
var result = [];
visitDirectory(path);
return result;
function visitDirectory(path) {
var files = _fs.readdirSync(path || ".").sort();
var directories = [];
for (var _i = 0; _i < files.length; _i++) {
var current = files[_i];
var name = ts.combinePaths(path, current);
var stat = _fs.lstatSync(name);
if (stat.isFile()) {
if (!extension || ts.fileExtensionIs(name, extension)) {
result.push(name);
}
}
else if (stat.isDirectory()) {
directories.push(name);
}
}
for (var _a = 0; _a < directories.length; _a++) {
var current = directories[_a];
visitDirectory(current);
}
}
}
return {
args: process.argv.slice(2),
newLine: _os.EOL,
useCaseSensitiveFileNames: useCaseSensitiveFileNames,
write: function (s) {
_fs.writeSync(1, s);
},
readFile: readFile,
writeFile: writeFile,
watchFile: function (fileName, callback) {
_fs.watchFile(fileName, {
persistent: true,
interval: 250
}, fileChanged);
return {
close: function () {
_fs.unwatchFile(fileName, fileChanged);
}
};
function fileChanged(curr, prev) {
if (+curr.mtime <= +prev.mtime) {
return;
}
callback(fileName);
}
;
},
resolvePath: function (path) {
return _path.resolve(path);
},
fileExists: function (path) {
return _fs.existsSync(path);
},
directoryExists: function (path) {
return _fs.existsSync(path) && _fs.statSync(path).isDirectory();
},
createDirectory: function (directoryName) {
if (!this.directoryExists(directoryName)) {
_fs.mkdirSync(directoryName);
}
},
getExecutingFilePath: function () {
return __filename;
},
getCurrentDirectory: function () {
return process.cwd();
},
readDirectory: readDirectory,
getMemoryUsage: function () {
if (global.gc) {
global.gc();
}
return process.memoryUsage().heapUsed;
},
exit: function (exitCode) {
process.exit(exitCode);
}
};
}
if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") {
return getWScriptSystem();
}
else if (typeof module !== "undefined" && module.exports) {
return getNodeSystem();
}
else {
return undefined;
}
})();
})(ts || (ts = {}));
/// <reference path="types.ts" />
var ts;
(function (ts) {
ts.Diagnostics = {
Unterminated_string_literal: {
code: 1002,
category: ts.DiagnosticCategory.Error,
key: "Unterminated string literal."
},
Identifier_expected: {
code: 1003,
category: ts.DiagnosticCategory.Error,
key: "Identifier expected."
},
_0_expected: {
code: 1005,
category: ts.DiagnosticCategory.Error,
key: "'{0}' expected."
},
A_file_cannot_have_a_reference_to_itself: {
code: 1006,
category: ts.DiagnosticCategory.Error,
key: "A file cannot have a reference to itself."
},
Trailing_comma_not_allowed: {
code: 1009,
category: ts.DiagnosticCategory.Error,
key: "Trailing comma not allowed."
},
Asterisk_Slash_expected: {
code: 1010,
category: ts.DiagnosticCategory.Error,
key: "'*/' expected."
},
Unexpected_token: {
code: 1012,
category: ts.DiagnosticCategory.Error,
key: "Unexpected token."
},
A_rest_parameter_must_be_last_in_a_parameter_list: {
code: 1014,
category: ts.DiagnosticCategory.Error,
key: "A rest parameter must be last in a parameter list."
},
Parameter_cannot_have_question_mark_and_initializer: {
code: 1015,
category: ts.DiagnosticCategory.Error,
key: "Parameter cannot have question mark and initializer."
},
A_required_parameter_cannot_follow_an_optional_parameter: {
code: 1016,
category: ts.DiagnosticCategory.Error,
key: "A required parameter cannot follow an optional parameter."
},
An_index_signature_cannot_have_a_rest_parameter: {
code: 1017,
category: ts.DiagnosticCategory.Error,
key: "An index signature cannot have a rest parameter."
},
An_index_signature_parameter_cannot_have_an_accessibility_modifier: {
code: 1018,
category: ts.DiagnosticCategory.Error,
key: "An index signature parameter cannot have an accessibility modifier."
},
An_index_signature_parameter_cannot_have_a_question_mark: {
code: 1019,
category: ts.DiagnosticCategory.Error,
key: "An index signature parameter cannot have a question mark."
},
An_index_signature_parameter_cannot_have_an_initializer: {
code: 1020,
category: ts.DiagnosticCategory.Error,
key: "An index signature parameter cannot have an initializer."
},
An_index_signature_must_have_a_type_annotation: {
code: 1021,
category: ts.DiagnosticCategory.Error,
key: "An index signature must have a type annotation."
},
An_index_signature_parameter_must_have_a_type_annotation: {
code: 1022,
category: ts.DiagnosticCategory.Error,
key: "An index signature parameter must have a type annotation."
},
An_index_signature_parameter_type_must_be_string_or_number: {
code: 1023,
category: ts.DiagnosticCategory.Error,
key: "An index signature parameter type must be 'string' or 'number'."
},
A_class_or_interface_declaration_can_only_have_one_extends_clause: {
code: 1024,
category: ts.DiagnosticCategory.Error,
key: "A class or interface declaration can only have one 'extends' clause."
},
An_extends_clause_must_precede_an_implements_clause: {
code: 1025,
category: ts.DiagnosticCategory.Error,
key: "An 'extends' clause must precede an 'implements' clause."
},
A_class_can_only_extend_a_single_class: {
code: 1026,
category: ts.DiagnosticCategory.Error,
key: "A class can only extend a single class."
},
A_class_declaration_can_only_have_one_implements_clause: {
code: 1027,
category: ts.DiagnosticCategory.Error,
key: "A class declaration can only have one 'implements' clause."
},
Accessibility_modifier_already_seen: {
code: 1028,
category: ts.DiagnosticCategory.Error,
key: "Accessibility modifier already seen."
},
_0_modifier_must_precede_1_modifier: {
code: 1029,
category: ts.DiagnosticCategory.Error,
key: "'{0}' modifier must precede '{1}' modifier."
},
_0_modifier_already_seen: {
code: 1030,
category: ts.DiagnosticCategory.Error,
key: "'{0}' modifier already seen."
},
_0_modifier_cannot_appear_on_a_class_element: {
code: 1031,
category: ts.DiagnosticCategory.Error,
key: "'{0}' modifier cannot appear on a class element."
},
An_interface_declaration_cannot_have_an_implements_clause: {
code: 1032,
category: ts.DiagnosticCategory.Error,
key: "An interface declaration cannot have an 'implements' clause."
},
super_must_be_followed_by_an_argument_list_or_member_access: {
code: 1034,
category: ts.DiagnosticCategory.Error,
key: "'super' must be followed by an argument list or member access."
},
Only_ambient_modules_can_use_quoted_names: {
code: 1035,
category: ts.DiagnosticCategory.Error,
key: "Only ambient modules can use quoted names."
},
Statements_are_not_allowed_in_ambient_contexts: {
code: 1036,
category: ts.DiagnosticCategory.Error,
key: "Statements are not allowed in ambient contexts."
},
A_declare_modifier_cannot_be_used_in_an_already_ambient_context: {
code: 1038,
category: ts.DiagnosticCategory.Error,
key: "A 'declare' modifier cannot be used in an already ambient context."
},
Initializers_are_not_allowed_in_ambient_contexts: {
code: 1039,
category: ts.DiagnosticCategory.Error,
key: "Initializers are not allowed in ambient contexts."
},
_0_modifier_cannot_appear_on_a_module_element: {
code: 1044,
category: ts.DiagnosticCategory.Error,
key: "'{0}' modifier cannot appear on a module element."
},
A_declare_modifier_cannot_be_used_with_an_interface_declaration: {
code: 1045,
category: ts.DiagnosticCategory.Error,
key: "A 'declare' modifier cannot be used with an interface declaration."
},
A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: {
code: 1046,
category: ts.DiagnosticCategory.Error,
key: "A 'declare' modifier is required for a top level declaration in a .d.ts file."
},
A_rest_parameter_cannot_be_optional: {
code: 1047,
category: ts.DiagnosticCategory.Error,
key: "A rest parameter cannot be optional."
},
A_rest_parameter_cannot_have_an_initializer: {
code: 1048,
category: ts.DiagnosticCategory.Error,
key: "A rest parameter cannot have an initializer."
},
A_set_accessor_must_have_exactly_one_parameter: {
code: 1049,
category: ts.DiagnosticCategory.Error,
key: "A 'set' accessor must have exactly one parameter."
},
A_set_accessor_cannot_have_an_optional_parameter: {
code: 1051,
category: ts.DiagnosticCategory.Error,
key: "A 'set' accessor cannot have an optional parameter."
},
A_set_accessor_parameter_cannot_have_an_initializer: {
code: 1052,
category: ts.DiagnosticCategory.Error,
key: "A 'set' accessor parameter cannot have an initializer."
},
A_set_accessor_cannot_have_rest_parameter: {
code: 1053,
category: ts.DiagnosticCategory.Error,
key: "A 'set' accessor cannot have rest parameter."
},
A_get_accessor_cannot_have_parameters: {
code: 1054,
category: ts.DiagnosticCategory.Error,
key: "A 'get' accessor cannot have parameters."
},
Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: {
code: 1056,
category: ts.DiagnosticCategory.Error,
key: "Accessors are only available when targeting ECMAScript 5 and higher."
},
Enum_member_must_have_initializer: {
code: 1061,
category: ts.DiagnosticCategory.Error,
key: "Enum member must have initializer."
},
An_export_assignment_cannot_be_used_in_an_internal_module: {
code: 1063,
category: ts.DiagnosticCategory.Error,
key: "An export assignment cannot be used in an internal module."
},
Ambient_enum_elements_can_only_have_integer_literal_initializers: {
code: 1066,
category: ts.DiagnosticCategory.Error,
key: "Ambient enum elements can only have integer literal initializers."
},
Unexpected_token_A_constructor_method_accessor_or_property_was_expected: {
code: 1068,
category: ts.DiagnosticCategory.Error,
key: "Unexpected token. A constructor, method, accessor, or property was expected."
},
A_declare_modifier_cannot_be_used_with_an_import_declaration: {
code: 1079,
category: ts.DiagnosticCategory.Error,
key: "A 'declare' modifier cannot be used with an import declaration."
},
Invalid_reference_directive_syntax: {
code: 1084,
category: ts.DiagnosticCategory.Error,
key: "Invalid 'reference' directive syntax."
},
Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: {
code: 1085,
category: ts.DiagnosticCategory.Error,
key: "Octal literals are not available when targeting ECMAScript 5 and higher."
},
An_accessor_cannot_be_declared_in_an_ambient_context: {
code: 1086,
category: ts.DiagnosticCategory.Error,
key: "An accessor cannot be declared in an ambient context."
},
_0_modifier_cannot_appear_on_a_constructor_declaration: {
code: 1089,
category: ts.DiagnosticCategory.Error,
key: "'{0}' modifier cannot appear on a constructor declaration."
},
_0_modifier_cannot_appear_on_a_parameter: {
code: 1090,
category: ts.DiagnosticCategory.Error,
key: "'{0}' modifier cannot appear on a parameter."
},
Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: {
code: 1091,
category: ts.DiagnosticCategory.Error,
key: "Only a single variable declaration is allowed in a 'for...in' statement."
},
Type_parameters_cannot_appear_on_a_constructor_declaration: {
code: 1092,
category: ts.DiagnosticCategory.Error,
key: "Type parameters cannot appear on a constructor declaration."
},
Type_annotation_cannot_appear_on_a_constructor_declaration: {
code: 1093,
category: ts.DiagnosticCategory.Error,
key: "Type annotation cannot appear on a constructor declaration."
},
An_accessor_cannot_have_type_parameters: {
code: 1094,
category: ts.DiagnosticCategory.Error,
key: "An accessor cannot have type parameters."
},
A_set_accessor_cannot_have_a_return_type_annotation: {
code: 1095,
category: ts.DiagnosticCategory.Error,
key: "A 'set' accessor cannot have a return type annotation."
},
An_index_signature_must_have_exactly_one_parameter: {
code: 1096,
category: ts.DiagnosticCategory.Error,
key: "An index signature must have exactly one parameter."
},
_0_list_cannot_be_empty: {
code: 1097,
category: ts.DiagnosticCategory.Error,
key: "'{0}' list cannot be empty."
},
Type_parameter_list_cannot_be_empty: {
code: 1098,
category: ts.DiagnosticCategory.Error,
key: "Type parameter list cannot be empty."
},
Type_argument_list_cannot_be_empty: {
code: 1099,
category: ts.DiagnosticCategory.Error,
key: "Type argument list cannot be empty."
},
Invalid_use_of_0_in_strict_mode: {
code: 1100,
category: ts.DiagnosticCategory.Error,
key: "Invalid use of '{0}' in strict mode."
},
with_statements_are_not_allowed_in_strict_mode: {
code: 1101,
category: ts.DiagnosticCategory.Error,
key: "'with' statements are not allowed in strict mode."
},
delete_cannot_be_called_on_an_identifier_in_strict_mode: {
code: 1102,
category: ts.DiagnosticCategory.Error,
key: "'delete' cannot be called on an identifier in strict mode."
},
A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: {
code: 1104,
category: ts.DiagnosticCategory.Error,
key: "A 'continue' statement can only be used within an enclosing iteration statement."
},
A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: {
code: 1105,
category: ts.DiagnosticCategory.Error,
key: "A 'break' statement can only be used within an enclosing iteration or switch statement."
},
Jump_target_cannot_cross_function_boundary: {
code: 1107,
category: ts.DiagnosticCategory.Error,
key: "Jump target cannot cross function boundary."
},
A_return_statement_can_only_be_used_within_a_function_body: {
code: 1108,
category: ts.DiagnosticCategory.Error,
key: "A 'return' statement can only be used within a function body."
},
Expression_expected: {
code: 1109,
category: ts.DiagnosticCategory.Error,
key: "Expression expected."
},
Type_expected: {
code: 1110,
category: ts.DiagnosticCategory.Error,
key: "Type expected."
},
A_class_member_cannot_be_declared_optional: {
code: 1112,
category: ts.DiagnosticCategory.Error,
key: "A class member cannot be declared optional."
},
A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: {
code: 1113,
category: ts.DiagnosticCategory.Error,
key: "A 'default' clause cannot appear more than once in a 'switch' statement."
},
Duplicate_label_0: {
code: 1114,
category: ts.DiagnosticCategory.Error,
key: "Duplicate label '{0}'"
},
A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: {
code: 1115,
category: ts.DiagnosticCategory.Error,
key: "A 'continue' statement can only jump to a label of an enclosing iteration statement."
},
A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: {
code: 1116,
category: ts.DiagnosticCategory.Error,
key: "A 'break' statement can only jump to a label of an enclosing statement."
},
An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: {
code: 1117,
category: ts.DiagnosticCategory.Error,
key: "An object literal cannot have multiple properties with the same name in strict mode."
},
An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: {
code: 1118,
category: ts.DiagnosticCategory.Error,
key: "An object literal cannot have multiple get/set accessors with the same name."
},
An_object_literal_cannot_have_property_and_accessor_with_the_same_name: {
code: 1119,
category: ts.DiagnosticCategory.Error,
key: "An object literal cannot have property and accessor with the same name."
},
An_export_assignment_cannot_have_modifiers: {
code: 1120,
category: ts.DiagnosticCategory.Error,
key: "An export assignment cannot have modifiers."
},
Octal_literals_are_not_allowed_in_strict_mode: {
code: 1121,
category: ts.DiagnosticCategory.Error,
key: "Octal literals are not allowed in strict mode."
},
A_tuple_type_element_list_cannot_be_empty: {
code: 1122,
category: ts.DiagnosticCategory.Error,
key: "A tuple type element list cannot be empty."
},
Variable_declaration_list_cannot_be_empty: {
code: 1123,
category: ts.DiagnosticCategory.Error,
key: "Variable declaration list cannot be empty."
},
Digit_expected: {
code: 1124,
category: ts.DiagnosticCategory.Error,
key: "Digit expected."
},
Hexadecimal_digit_expected: {
code: 1125,
category: ts.DiagnosticCategory.Error,
key: "Hexadecimal digit expected."
},
Unexpected_end_of_text: {
code: 1126,
category: ts.DiagnosticCategory.Error,
key: "Unexpected end of text."
},
Invalid_character: {
code: 1127,
category: ts.DiagnosticCategory.Error,
key: "Invalid character."
},
Declaration_or_statement_expected: {
code: 1128,
category: ts.DiagnosticCategory.Error,
key: "Declaration or statement expected."
},
Statement_expected: {
code: 1129,
category: ts.DiagnosticCategory.Error,
key: "Statement expected."
},
case_or_default_expected: {
code: 1130,
category: ts.DiagnosticCategory.Error,
key: "'case' or 'default' expected."
},
Property_or_signature_expected: {
code: 1131,
category: ts.DiagnosticCategory.Error,
key: "Property or signature expected."
},
Enum_member_expected: {
code: 1132,
category: ts.DiagnosticCategory.Error,
key: "Enum member expected."
},
Type_reference_expected: {
code: 1133,
category: ts.DiagnosticCategory.Error,
key: "Type reference expected."
},
Variable_declaration_expected: {
code: 1134,
category: ts.DiagnosticCategory.Error,
key: "Variable declaration expected."
},
Argument_expression_expected: {
code: 1135,
category: ts.DiagnosticCategory.Error,
key: "Argument expression expected."
},
Property_assignment_expected: {
code: 1136,
category: ts.DiagnosticCategory.Error,
key: "Property assignment expected."
},
Expression_or_comma_expected: {
code: 1137,
category: ts.DiagnosticCategory.Error,
key: "Expression or comma expected."
},
Parameter_declaration_expected: {
code: 1138,
category: ts.DiagnosticCategory.Error,
key: "Parameter declaration expected."
},
Type_parameter_declaration_expected: {
code: 1139,
category: ts.DiagnosticCategory.Error,
key: "Type parameter declaration expected."
},
Type_argument_expected: {
code: 1140,
category: ts.DiagnosticCategory.Error,
key: "Type argument expected."
},
String_literal_expected: {
code: 1141,
category: ts.DiagnosticCategory.Error,
key: "String literal expected."
},
Line_break_not_permitted_here: {
code: 1142,
category: ts.DiagnosticCategory.Error,
key: "Line break not permitted here."
},
or_expected: {
code: 1144,
category: ts.DiagnosticCategory.Error,
key: "'{' or ';' expected."
},
Modifiers_not_permitted_on_index_signature_members: {
code: 1145,
category: ts.DiagnosticCategory.Error,
key: "Modifiers not permitted on index signature members."
},
Declaration_expected: {
code: 1146,
category: ts.DiagnosticCategory.Error,
key: "Declaration expected."
},
Import_declarations_in_an_internal_module_cannot_reference_an_external_module: {
code: 1147,
category: ts.DiagnosticCategory.Error,
key: "Import declarations in an internal module cannot reference an external module."
},
Cannot_compile_external_modules_unless_the_module_flag_is_provided: {
code: 1148,
category: ts.DiagnosticCategory.Error,
key: "Cannot compile external modules unless the '--module' flag is provided."
},
File_name_0_differs_from_already_included_file_name_1_only_in_casing: {
code: 1149,
category: ts.DiagnosticCategory.Error,
key: "File name '{0}' differs from already included file name '{1}' only in casing"
},
new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: {
code: 1150,
category: ts.DiagnosticCategory.Error,
key: "'new T[]' cannot be used to create an array. Use 'new Array<T>()' instead."
},
var_let_or_const_expected: {
code: 1152,
category: ts.DiagnosticCategory.Error,
key: "'var', 'let' or 'const' expected."
},
let_declarations_are_only_available_when_targeting_ECMAScript_6_and_higher: {
code: 1153,
category: ts.DiagnosticCategory.Error,
key: "'let' declarations are only available when targeting ECMAScript 6 and higher."
},
const_declarations_are_only_available_when_targeting_ECMAScript_6_and_higher: {
code: 1154,
category: ts.DiagnosticCategory.Error,
key: "'const' declarations are only available when targeting ECMAScript 6 and higher."
},
const_declarations_must_be_initialized: {
code: 1155,
category: ts.DiagnosticCategory.Error,
key: "'const' declarations must be initialized"
},
const_declarations_can_only_be_declared_inside_a_block: {
code: 1156,
category: ts.DiagnosticCategory.Error,
key: "'const' declarations can only be declared inside a block."
},
let_declarations_can_only_be_declared_inside_a_block: {
code: 1157,
category: ts.DiagnosticCategory.Error,
key: "'let' declarations can only be declared inside a block."
},
Unterminated_template_literal: {
code: 1160,
category: ts.DiagnosticCategory.Error,
key: "Unterminated template literal."
},
Unterminated_regular_expression_literal: {
code: 1161,
category: ts.DiagnosticCategory.Error,
key: "Unterminated regular expression literal."
},
An_object_member_cannot_be_declared_optional: {
code: 1162,
category: ts.DiagnosticCategory.Error,
key: "An object member cannot be declared optional."
},
yield_expression_must_be_contained_within_a_generator_declaration: {
code: 1163,
category: ts.DiagnosticCategory.Error,
key: "'yield' expression must be contained_within a generator declaration."
},
Computed_property_names_are_not_allowed_in_enums: {
code: 1164,
category: ts.DiagnosticCategory.Error,
key: "Computed property names are not allowed in enums."
},
A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: {
code: 1165,
category: ts.DiagnosticCategory.Error,
key: "A computed property name in an ambient context must directly refer to a built-in symbol."
},
A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: {
code: 1166,
category: ts.DiagnosticCategory.Error,
key: "A computed property name in a class property declaration must directly refer to a built-in symbol."
},
Computed_property_names_are_only_available_when_targeting_ECMAScript_6_and_higher: {
code: 1167,
category: ts.DiagnosticCategory.Error,
key: "Computed property names are only available when targeting ECMAScript 6 and higher."
},
A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: {
code: 1168,
category: ts.DiagnosticCategory.Error,
key: "A computed property name in a method overload must directly refer to a built-in symbol."
},
A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: {
code: 1169,
category: ts.DiagnosticCategory.Error,
key: "A computed property name in an interface must directly refer to a built-in symbol."
},
A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: {
code: 1170,
category: ts.DiagnosticCategory.Error,
key: "A computed property name in a type literal must directly refer to a built-in symbol."
},
A_comma_expression_is_not_allowed_in_a_computed_property_name: {
code: 1171,
category: ts.DiagnosticCategory.Error,
key: "A comma expression is not allowed in a computed property name."
},
extends_clause_already_seen: {
code: 1172,
category: ts.DiagnosticCategory.Error,
key: "'extends' clause already seen."
},
extends_clause_must_precede_implements_clause: {
code: 1173,
category: ts.DiagnosticCategory.Error,
key: "'extends' clause must precede 'implements' clause."
},
Classes_can_only_extend_a_single_class: {
code: 1174,
category: ts.DiagnosticCategory.Error,
key: "Classes can only extend a single class."
},
implements_clause_already_seen: {
code: 1175,
category: ts.DiagnosticCategory.Error,
key: "'implements' clause already seen."
},
Interface_declaration_cannot_have_implements_clause: {
code: 1176,
category: ts.DiagnosticCategory.Error,
key: "Interface declaration cannot have 'implements' clause."
},
Binary_digit_expected: {
code: 1177,
category: ts.DiagnosticCategory.Error,
key: "Binary digit expected."
},
Octal_digit_expected: {
code: 1178,
category: ts.DiagnosticCategory.Error,
key: "Octal digit expected."
},
Unexpected_token_expected: {
code: 1179,
category: ts.DiagnosticCategory.Error,
key: "Unexpected token. '{' expected."
},
Property_destructuring_pattern_expected: {
code: 1180,
category: ts.DiagnosticCategory.Error,
key: "Property destructuring pattern expected."
},
Array_element_destructuring_pattern_expected: {
code: 1181,
category: ts.DiagnosticCategory.Error,
key: "Array element destructuring pattern expected."
},
A_destructuring_declaration_must_have_an_initializer: {
code: 1182,
category: ts.DiagnosticCategory.Error,
key: "A destructuring declaration must have an initializer."
},
Destructuring_declarations_are_not_allowed_in_ambient_contexts: {
code: 1183,
category: ts.DiagnosticCategory.Error,
key: "Destructuring declarations are not allowed in ambient contexts."
},
An_implementation_cannot_be_declared_in_ambient_contexts: {
code: 1184,
category: ts.DiagnosticCategory.Error,
key: "An implementation cannot be declared in ambient contexts."
},
Modifiers_cannot_appear_here: {
code: 1184,
category: ts.DiagnosticCategory.Error,
key: "Modifiers cannot appear here."
},
Merge_conflict_marker_encountered: {
code: 1185,
category: ts.DiagnosticCategory.Error,
key: "Merge conflict marker encountered."
},
A_rest_element_cannot_have_an_initializer: {
code: 1186,
category: ts.DiagnosticCategory.Error,
key: "A rest element cannot have an initializer."
},
A_parameter_property_may_not_be_a_binding_pattern: {
code: 1187,
category: ts.DiagnosticCategory.Error,
key: "A parameter property may not be a binding pattern."
},
Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: {
code: 1188,
category: ts.DiagnosticCategory.Error,
key: "Only a single variable declaration is allowed in a 'for...of' statement."
},
The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: {
code: 1189,
category: ts.DiagnosticCategory.Error,
key: "The variable declaration of a 'for...in' statement cannot have an initializer."
},
The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: {
code: 1190,
category: ts.DiagnosticCategory.Error,
key: "The variable declaration of a 'for...of' statement cannot have an initializer."
},
An_import_declaration_cannot_have_modifiers: {
code: 1191,
category: ts.DiagnosticCategory.Error,
key: "An import declaration cannot have modifiers."
},
External_module_0_has_no_default_export: {
code: 1192,
category: ts.DiagnosticCategory.Error,
key: "External module '{0}' has no default export."
},
An_export_declaration_cannot_have_modifiers: {
code: 1193,
category: ts.DiagnosticCategory.Error,
key: "An export declaration cannot have modifiers."
},
Export_declarations_are_not_permitted_in_an_internal_module: {
code: 1194,
category: ts.DiagnosticCategory.Error,
key: "Export declarations are not permitted in an internal module."
},
Catch_clause_variable_name_must_be_an_identifier: {
code: 1195,
category: ts.DiagnosticCategory.Error,
key: "Catch clause variable name must be an identifier."
},
Catch_clause_variable_cannot_have_a_type_annotation: {
code: 1196,
category: ts.DiagnosticCategory.Error,
key: "Catch clause variable cannot have a type annotation."
},
Catch_clause_variable_cannot_have_an_initializer: {
code: 1197,
category: ts.DiagnosticCategory.Error,
key: "Catch clause variable cannot have an initializer."
},
An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: {
code: 1198,
category: ts.DiagnosticCategory.Error,
key: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive."
},
Unterminated_Unicode_escape_sequence: {
code: 1199,
category: ts.DiagnosticCategory.Error,
key: "Unterminated Unicode escape sequence."
},
Line_terminator_not_permitted_before_arrow: {
code: 1200,
category: ts.DiagnosticCategory.Error,
key: "Line terminator not permitted before arrow."
},
A_type_annotation_on_an_export_statement_is_only_allowed_in_an_ambient_external_module_declaration: {
code: 1201,
category: ts.DiagnosticCategory.Error,
key: "A type annotation on an export statement is only allowed in an ambient external module declaration."
},
Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_or_higher_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_or_import_d_from_mod_instead: {
code: 1202,
category: ts.DiagnosticCategory.Error,
key: "Import assignment cannot be used when targeting ECMAScript 6 or higher. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"' or 'import d from \"mod\"' instead."
},
Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_or_higher_Consider_using_export_default_instead: {
code: 1203,
category: ts.DiagnosticCategory.Error,
key: "Export assignment cannot be used when targeting ECMAScript 6 or higher. Consider using 'export default' instead."
},
Cannot_compile_external_modules_into_amd_or_commonjs_when_targeting_es6_or_higher: {
code: 1204,
category: ts.DiagnosticCategory.Error,
key: "Cannot compile external modules into amd or commonjs when targeting es6 or higher."
},
Decorators_are_only_available_when_targeting_ECMAScript_5_and_higher: {
code: 1205,
category: ts.DiagnosticCategory.Error,
key: "Decorators are only available when targeting ECMAScript 5 and higher."
},
Decorators_are_not_valid_here: {
code: 1206,
category: ts.DiagnosticCategory.Error,
key: "Decorators are not valid here."
},
Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: {
code: 1207,
category: ts.DiagnosticCategory.Error,
key: "Decorators cannot be applied to multiple get/set accessors of the same name."
},
Cannot_compile_non_external_modules_when_the_separateCompilation_flag_is_provided: {
code: 1208,
category: ts.DiagnosticCategory.Error,
key: "Cannot compile non-external modules when the '--separateCompilation' flag is provided."
},
Ambient_const_enums_are_not_allowed_when_the_separateCompilation_flag_is_provided: {
code: 1209,
category: ts.DiagnosticCategory.Error,
key: "Ambient const enums are not allowed when the '--separateCompilation' flag is provided."
},
Duplicate_identifier_0: {
code: 2300,
category: ts.DiagnosticCategory.Error,
key: "Duplicate identifier '{0}'."
},
Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: {
code: 2301,
category: ts.DiagnosticCategory.Error,
key: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor."
},
Static_members_cannot_reference_class_type_parameters: {
code: 2302,
category: ts.DiagnosticCategory.Error,
key: "Static members cannot reference class type parameters."
},
Circular_definition_of_import_alias_0: {
code: 2303,
category: ts.DiagnosticCategory.Error,
key: "Circular definition of import alias '{0}'."
},
Cannot_find_name_0: {
code: 2304,
category: ts.DiagnosticCategory.Error,
key: "Cannot find name '{0}'."
},
Module_0_has_no_exported_member_1: {
code: 2305,
category: ts.DiagnosticCategory.Error,
key: "Module '{0}' has no exported member '{1}'."
},
File_0_is_not_an_external_module: {
code: 2306,
category: ts.DiagnosticCategory.Error,
key: "File '{0}' is not an external module."
},
Cannot_find_external_module_0: {
code: 2307,
category: ts.DiagnosticCategory.Error,
key: "Cannot find external module '{0}'."
},
A_module_cannot_have_more_than_one_export_assignment: {
code: 2308,
category: ts.DiagnosticCategory.Error,
key: "A module cannot have more than one export assignment."
},
An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: {
code: 2309,
category: ts.DiagnosticCategory.Error,
key: "An export assignment cannot be used in a module with other exported elements."
},
Type_0_recursively_references_itself_as_a_base_type: {
code: 2310,
category: ts.DiagnosticCategory.Error,
key: "Type '{0}' recursively references itself as a base type."
},
A_class_may_only_extend_another_class: {
code: 2311,
category: ts.DiagnosticCategory.Error,
key: "A class may only extend another class."
},
An_interface_may_only_extend_a_class_or_another_interface: {
code: 2312,
category: ts.DiagnosticCategory.Error,
key: "An interface may only extend a class or another interface."
},
Constraint_of_a_type_parameter_cannot_reference_any_type_parameter_from_the_same_type_parameter_list: {
code: 2313,
category: ts.DiagnosticCategory.Error,
key: "Constraint of a type parameter cannot reference any type parameter from the same type parameter list."
},
Generic_type_0_requires_1_type_argument_s: {
code: 2314,
category: ts.DiagnosticCategory.Error,
key: "Generic type '{0}' requires {1} type argument(s)."
},
Type_0_is_not_generic: {
code: 2315,
category: ts.DiagnosticCategory.Error,
key: "Type '{0}' is not generic."
},
Global_type_0_must_be_a_class_or_interface_type: {
code: 2316,
category: ts.DiagnosticCategory.Error,
key: "Global type '{0}' must be a class or interface type."
},
Global_type_0_must_have_1_type_parameter_s: {
code: 2317,
category: ts.DiagnosticCategory.Error,
key: "Global type '{0}' must have {1} type parameter(s)."
},
Cannot_find_global_type_0: {
code: 2318,
category: ts.DiagnosticCategory.Error,
key: "Cannot find global type '{0}'."
},
Named_property_0_of_types_1_and_2_are_not_identical: {
code: 2319,
category: ts.DiagnosticCategory.Error,
key: "Named property '{0}' of types '{1}' and '{2}' are not identical."
},
Interface_0_cannot_simultaneously_extend_types_1_and_2: {
code: 2320,
category: ts.DiagnosticCategory.Error,
key: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'."
},
Excessive_stack_depth_comparing_types_0_and_1: {
code: 2321,
category: ts.DiagnosticCategory.Error,
key: "Excessive stack depth comparing types '{0}' and '{1}'."
},
Type_0_is_not_assignable_to_type_1: {
code: 2322,
category: ts.DiagnosticCategory.Error,
key: "Type '{0}' is not assignable to type '{1}'."
},
Property_0_is_missing_in_type_1: {
code: 2324,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' is missing in type '{1}'."
},
Property_0_is_private_in_type_1_but_not_in_type_2: {
code: 2325,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' is private in type '{1}' but not in type '{2}'."
},
Types_of_property_0_are_incompatible: {
code: 2326,
category: ts.DiagnosticCategory.Error,
key: "Types of property '{0}' are incompatible."
},
Property_0_is_optional_in_type_1_but_required_in_type_2: {
code: 2327,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' is optional in type '{1}' but required in type '{2}'."
},
Types_of_parameters_0_and_1_are_incompatible: {
code: 2328,
category: ts.DiagnosticCategory.Error,
key: "Types of parameters '{0}' and '{1}' are incompatible."
},
Index_signature_is_missing_in_type_0: {
code: 2329,
category: ts.DiagnosticCategory.Error,
key: "Index signature is missing in type '{0}'."
},
Index_signatures_are_incompatible: {
code: 2330,
category: ts.DiagnosticCategory.Error,
key: "Index signatures are incompatible."
},
this_cannot_be_referenced_in_a_module_body: {
code: 2331,
category: ts.DiagnosticCategory.Error,
key: "'this' cannot be referenced in a module body."
},
this_cannot_be_referenced_in_current_location: {
code: 2332,
category: ts.DiagnosticCategory.Error,
key: "'this' cannot be referenced in current location."
},
this_cannot_be_referenced_in_constructor_arguments: {
code: 2333,
category: ts.DiagnosticCategory.Error,
key: "'this' cannot be referenced in constructor arguments."
},
this_cannot_be_referenced_in_a_static_property_initializer: {
code: 2334,
category: ts.DiagnosticCategory.Error,
key: "'this' cannot be referenced in a static property initializer."
},
super_can_only_be_referenced_in_a_derived_class: {
code: 2335,
category: ts.DiagnosticCategory.Error,
key: "'super' can only be referenced in a derived class."
},
super_cannot_be_referenced_in_constructor_arguments: {
code: 2336,
category: ts.DiagnosticCategory.Error,
key: "'super' cannot be referenced in constructor arguments."
},
Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: {
code: 2337,
category: ts.DiagnosticCategory.Error,
key: "Super calls are not permitted outside constructors or in nested functions inside constructors"
},
super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: {
code: 2338,
category: ts.DiagnosticCategory.Error,
key: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class"
},
Property_0_does_not_exist_on_type_1: {
code: 2339,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' does not exist on type '{1}'."
},
Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: {
code: 2340,
category: ts.DiagnosticCategory.Error,
key: "Only public and protected methods of the base class are accessible via the 'super' keyword"
},
Property_0_is_private_and_only_accessible_within_class_1: {
code: 2341,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' is private and only accessible within class '{1}'."
},
An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: {
code: 2342,
category: ts.DiagnosticCategory.Error,
key: "An index expression argument must be of type 'string', 'number', 'symbol, or 'any'."
},
Type_0_does_not_satisfy_the_constraint_1: {
code: 2344,
category: ts.DiagnosticCategory.Error,
key: "Type '{0}' does not satisfy the constraint '{1}'."
},
Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: {
code: 2345,
category: ts.DiagnosticCategory.Error,
key: "Argument of type '{0}' is not assignable to parameter of type '{1}'."
},
Supplied_parameters_do_not_match_any_signature_of_call_target: {
code: 2346,
category: ts.DiagnosticCategory.Error,
key: "Supplied parameters do not match any signature of call target."
},
Untyped_function_calls_may_not_accept_type_arguments: {
code: 2347,
category: ts.DiagnosticCategory.Error,
key: "Untyped function calls may not accept type arguments."
},
Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: {
code: 2348,
category: ts.DiagnosticCategory.Error,
key: "Value of type '{0}' is not callable. Did you mean to include 'new'?"
},
Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: {
code: 2349,
category: ts.DiagnosticCategory.Error,
key: "Cannot invoke an expression whose type lacks a call signature."
},
Only_a_void_function_can_be_called_with_the_new_keyword: {
code: 2350,
category: ts.DiagnosticCategory.Error,
key: "Only a void function can be called with the 'new' keyword."
},
Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: {
code: 2351,
category: ts.DiagnosticCategory.Error,
key: "Cannot use 'new' with an expression whose type lacks a call or construct signature."
},
Neither_type_0_nor_type_1_is_assignable_to_the_other: {
code: 2352,
category: ts.DiagnosticCategory.Error,
key: "Neither type '{0}' nor type '{1}' is assignable to the other."
},
No_best_common_type_exists_among_return_expressions: {
code: 2354,
category: ts.DiagnosticCategory.Error,
key: "No best common type exists among return expressions."
},
A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_or_consist_of_a_single_throw_statement: {
code: 2355,
category: ts.DiagnosticCategory.Error,
key: "A function whose declared type is neither 'void' nor 'any' must return a value or consist of a single 'throw' statement."
},
An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: {
code: 2356,
category: ts.DiagnosticCategory.Error,
key: "An arithmetic operand must be of type 'any', 'number' or an enum type."
},
The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: {
code: 2357,
category: ts.DiagnosticCategory.Error,
key: "The operand of an increment or decrement operator must be a variable, property or indexer."
},
The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: {
code: 2358,
category: ts.DiagnosticCategory.Error,
key: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter."
},
The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: {
code: 2359,
category: ts.DiagnosticCategory.Error,
key: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type."
},
The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: {
code: 2360,
category: ts.DiagnosticCategory.Error,
key: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'."
},
The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: {
code: 2361,
category: ts.DiagnosticCategory.Error,
key: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter"
},
The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: {
code: 2362,
category: ts.DiagnosticCategory.Error,
key: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type."
},
The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: {
code: 2363,
category: ts.DiagnosticCategory.Error,
key: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type."
},
Invalid_left_hand_side_of_assignment_expression: {
code: 2364,
category: ts.DiagnosticCategory.Error,
key: "Invalid left-hand side of assignment expression."
},
Operator_0_cannot_be_applied_to_types_1_and_2: {
code: 2365,
category: ts.DiagnosticCategory.Error,
key: "Operator '{0}' cannot be applied to types '{1}' and '{2}'."
},
Type_parameter_name_cannot_be_0: {
code: 2368,
category: ts.DiagnosticCategory.Error,
key: "Type parameter name cannot be '{0}'"
},
A_parameter_property_is_only_allowed_in_a_constructor_implementation: {
code: 2369,
category: ts.DiagnosticCategory.Error,
key: "A parameter property is only allowed in a constructor implementation."
},
A_rest_parameter_must_be_of_an_array_type: {
code: 2370,
category: ts.DiagnosticCategory.Error,
key: "A rest parameter must be of an array type."
},
A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: {
code: 2371,
category: ts.DiagnosticCategory.Error,
key: "A parameter initializer is only allowed in a function or constructor implementation."
},
Parameter_0_cannot_be_referenced_in_its_initializer: {
code: 2372,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' cannot be referenced in its initializer."
},
Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: {
code: 2373,
category: ts.DiagnosticCategory.Error,
key: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it."
},
Duplicate_string_index_signature: {
code: 2374,
category: ts.DiagnosticCategory.Error,
key: "Duplicate string index signature."
},
Duplicate_number_index_signature: {
code: 2375,
category: ts.DiagnosticCategory.Error,
key: "Duplicate number index signature."
},
A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: {
code: 2376,
category: ts.DiagnosticCategory.Error,
key: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties."
},
Constructors_for_derived_classes_must_contain_a_super_call: {
code: 2377,
category: ts.DiagnosticCategory.Error,
key: "Constructors for derived classes must contain a 'super' call."
},
A_get_accessor_must_return_a_value_or_consist_of_a_single_throw_statement: {
code: 2378,
category: ts.DiagnosticCategory.Error,
key: "A 'get' accessor must return a value or consist of a single 'throw' statement."
},
Getter_and_setter_accessors_do_not_agree_in_visibility: {
code: 2379,
category: ts.DiagnosticCategory.Error,
key: "Getter and setter accessors do not agree in visibility."
},
get_and_set_accessor_must_have_the_same_type: {
code: 2380,
category: ts.DiagnosticCategory.Error,
key: "'get' and 'set' accessor must have the same type."
},
A_signature_with_an_implementation_cannot_use_a_string_literal_type: {
code: 2381,
category: ts.DiagnosticCategory.Error,
key: "A signature with an implementation cannot use a string literal type."
},
Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: {
code: 2382,
category: ts.DiagnosticCategory.Error,
key: "Specialized overload signature is not assignable to any non-specialized signature."
},
Overload_signatures_must_all_be_exported_or_not_exported: {
code: 2383,
category: ts.DiagnosticCategory.Error,
key: "Overload signatures must all be exported or not exported."
},
Overload_signatures_must_all_be_ambient_or_non_ambient: {
code: 2384,
category: ts.DiagnosticCategory.Error,
key: "Overload signatures must all be ambient or non-ambient."
},
Overload_signatures_must_all_be_public_private_or_protected: {
code: 2385,
category: ts.DiagnosticCategory.Error,
key: "Overload signatures must all be public, private or protected."
},
Overload_signatures_must_all_be_optional_or_required: {
code: 2386,
category: ts.DiagnosticCategory.Error,
key: "Overload signatures must all be optional or required."
},
Function_overload_must_be_static: {
code: 2387,
category: ts.DiagnosticCategory.Error,
key: "Function overload must be static."
},
Function_overload_must_not_be_static: {
code: 2388,
category: ts.DiagnosticCategory.Error,
key: "Function overload must not be static."
},
Function_implementation_name_must_be_0: {
code: 2389,
category: ts.DiagnosticCategory.Error,
key: "Function implementation name must be '{0}'."
},
Constructor_implementation_is_missing: {
code: 2390,
category: ts.DiagnosticCategory.Error,
key: "Constructor implementation is missing."
},
Function_implementation_is_missing_or_not_immediately_following_the_declaration: {
code: 2391,
category: ts.DiagnosticCategory.Error,
key: "Function implementation is missing or not immediately following the declaration."
},
Multiple_constructor_implementations_are_not_allowed: {
code: 2392,
category: ts.DiagnosticCategory.Error,
key: "Multiple constructor implementations are not allowed."
},
Duplicate_function_implementation: {
code: 2393,
category: ts.DiagnosticCategory.Error,
key: "Duplicate function implementation."
},
Overload_signature_is_not_compatible_with_function_implementation: {
code: 2394,
category: ts.DiagnosticCategory.Error,
key: "Overload signature is not compatible with function implementation."
},
Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: {
code: 2395,
category: ts.DiagnosticCategory.Error,
key: "Individual declarations in merged declaration {0} must be all exported or all local."
},
Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: {
code: 2396,
category: ts.DiagnosticCategory.Error,
key: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters."
},
Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: {
code: 2399,
category: ts.DiagnosticCategory.Error,
key: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference."
},
Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: {
code: 2400,
category: ts.DiagnosticCategory.Error,
key: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference."
},
Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: {
code: 2401,
category: ts.DiagnosticCategory.Error,
key: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference."
},
Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: {
code: 2402,
category: ts.DiagnosticCategory.Error,
key: "Expression resolves to '_super' that compiler uses to capture base class reference."
},
Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: {
code: 2403,
category: ts.DiagnosticCategory.Error,
key: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'."
},
The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: {
code: 2404,
category: ts.DiagnosticCategory.Error,
key: "The left-hand side of a 'for...in' statement cannot use a type annotation."
},
The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: {
code: 2405,
category: ts.DiagnosticCategory.Error,
key: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'."
},
Invalid_left_hand_side_in_for_in_statement: {
code: 2406,
category: ts.DiagnosticCategory.Error,
key: "Invalid left-hand side in 'for...in' statement."
},
The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: {
code: 2407,
category: ts.DiagnosticCategory.Error,
key: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter."
},
Setters_cannot_return_a_value: {
code: 2408,
category: ts.DiagnosticCategory.Error,
key: "Setters cannot return a value."
},
Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: {
code: 2409,
category: ts.DiagnosticCategory.Error,
key: "Return type of constructor signature must be assignable to the instance type of the class"
},
All_symbols_within_a_with_block_will_be_resolved_to_any: {
code: 2410,
category: ts.DiagnosticCategory.Error,
key: "All symbols within a 'with' block will be resolved to 'any'."
},
Property_0_of_type_1_is_not_assignable_to_string_index_type_2: {
code: 2411,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'."
},
Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: {
code: 2412,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'."
},
Numeric_index_type_0_is_not_assignable_to_string_index_type_1: {
code: 2413,
category: ts.DiagnosticCategory.Error,
key: "Numeric index type '{0}' is not assignable to string index type '{1}'."
},
Class_name_cannot_be_0: {
code: 2414,
category: ts.DiagnosticCategory.Error,
key: "Class name cannot be '{0}'"
},
Class_0_incorrectly_extends_base_class_1: {
code: 2415,
category: ts.DiagnosticCategory.Error,
key: "Class '{0}' incorrectly extends base class '{1}'."
},
Class_static_side_0_incorrectly_extends_base_class_static_side_1: {
code: 2417,
category: ts.DiagnosticCategory.Error,
key: "Class static side '{0}' incorrectly extends base class static side '{1}'."
},
Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0: {
code: 2419,
category: ts.DiagnosticCategory.Error,
key: "Type name '{0}' in extends clause does not reference constructor function for '{0}'."
},
Class_0_incorrectly_implements_interface_1: {
code: 2420,
category: ts.DiagnosticCategory.Error,
key: "Class '{0}' incorrectly implements interface '{1}'."
},
A_class_may_only_implement_another_class_or_interface: {
code: 2422,
category: ts.DiagnosticCategory.Error,
key: "A class may only implement another class or interface."
},
Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: {
code: 2423,
category: ts.DiagnosticCategory.Error,
key: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor."
},
Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: {
code: 2424,
category: ts.DiagnosticCategory.Error,
key: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property."
},
Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: {
code: 2425,
category: ts.DiagnosticCategory.Error,
key: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function."
},
Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: {
code: 2426,
category: ts.DiagnosticCategory.Error,
key: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function."
},
Interface_name_cannot_be_0: {
code: 2427,
category: ts.DiagnosticCategory.Error,
key: "Interface name cannot be '{0}'"
},
All_declarations_of_an_interface_must_have_identical_type_parameters: {
code: 2428,
category: ts.DiagnosticCategory.Error,
key: "All declarations of an interface must have identical type parameters."
},
Interface_0_incorrectly_extends_interface_1: {
code: 2430,
category: ts.DiagnosticCategory.Error,
key: "Interface '{0}' incorrectly extends interface '{1}'."
},
Enum_name_cannot_be_0: {
code: 2431,
category: ts.DiagnosticCategory.Error,
key: "Enum name cannot be '{0}'"
},
In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: {
code: 2432,
category: ts.DiagnosticCategory.Error,
key: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element."
},
A_module_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: {
code: 2433,
category: ts.DiagnosticCategory.Error,
key: "A module declaration cannot be in a different file from a class or function with which it is merged"
},
A_module_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: {
code: 2434,
category: ts.DiagnosticCategory.Error,
key: "A module declaration cannot be located prior to a class or function with which it is merged"
},
Ambient_external_modules_cannot_be_nested_in_other_modules: {
code: 2435,
category: ts.DiagnosticCategory.Error,
key: "Ambient external modules cannot be nested in other modules."
},
Ambient_external_module_declaration_cannot_specify_relative_module_name: {
code: 2436,
category: ts.DiagnosticCategory.Error,
key: "Ambient external module declaration cannot specify relative module name."
},
Module_0_is_hidden_by_a_local_declaration_with_the_same_name: {
code: 2437,
category: ts.DiagnosticCategory.Error,
key: "Module '{0}' is hidden by a local declaration with the same name"
},
Import_name_cannot_be_0: {
code: 2438,
category: ts.DiagnosticCategory.Error,
key: "Import name cannot be '{0}'"
},
Import_or_export_declaration_in_an_ambient_external_module_declaration_cannot_reference_external_module_through_relative_external_module_name: {
code: 2439,
category: ts.DiagnosticCategory.Error,
key: "Import or export declaration in an ambient external module declaration cannot reference external module through relative external module name."
},
Import_declaration_conflicts_with_local_declaration_of_0: {
code: 2440,
category: ts.DiagnosticCategory.Error,
key: "Import declaration conflicts with local declaration of '{0}'"
},
Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_an_external_module: {
code: 2441,
category: ts.DiagnosticCategory.Error,
key: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of an external module."
},
Types_have_separate_declarations_of_a_private_property_0: {
code: 2442,
category: ts.DiagnosticCategory.Error,
key: "Types have separate declarations of a private property '{0}'."
},
Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: {
code: 2443,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'."
},
Property_0_is_protected_in_type_1_but_public_in_type_2: {
code: 2444,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' is protected in type '{1}' but public in type '{2}'."
},
Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: {
code: 2445,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses."
},
Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: {
code: 2446,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' is protected and only accessible through an instance of class '{1}'."
},
The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: {
code: 2447,
category: ts.DiagnosticCategory.Error,
key: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead."
},
Block_scoped_variable_0_used_before_its_declaration: {
code: 2448,
category: ts.DiagnosticCategory.Error,
key: "Block-scoped variable '{0}' used before its declaration."
},
The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant: {
code: 2449,
category: ts.DiagnosticCategory.Error,
key: "The operand of an increment or decrement operator cannot be a constant."
},
Left_hand_side_of_assignment_expression_cannot_be_a_constant: {
code: 2450,
category: ts.DiagnosticCategory.Error,
key: "Left-hand side of assignment expression cannot be a constant."
},
Cannot_redeclare_block_scoped_variable_0: {
code: 2451,
category: ts.DiagnosticCategory.Error,
key: "Cannot redeclare block-scoped variable '{0}'."
},
An_enum_member_cannot_have_a_numeric_name: {
code: 2452,
category: ts.DiagnosticCategory.Error,
key: "An enum member cannot have a numeric name."
},
The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: {
code: 2453,
category: ts.DiagnosticCategory.Error,
key: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly."
},
Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: {
code: 2455,
category: ts.DiagnosticCategory.Error,
key: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'."
},
Type_alias_0_circularly_references_itself: {
code: 2456,
category: ts.DiagnosticCategory.Error,
key: "Type alias '{0}' circularly references itself."
},
Type_alias_name_cannot_be_0: {
code: 2457,
category: ts.DiagnosticCategory.Error,
key: "Type alias name cannot be '{0}'"
},
An_AMD_module_cannot_have_multiple_name_assignments: {
code: 2458,
category: ts.DiagnosticCategory.Error,
key: "An AMD module cannot have multiple name assignments."
},
Type_0_has_no_property_1_and_no_string_index_signature: {
code: 2459,
category: ts.DiagnosticCategory.Error,
key: "Type '{0}' has no property '{1}' and no string index signature."
},
Type_0_has_no_property_1: {
code: 2460,
category: ts.DiagnosticCategory.Error,
key: "Type '{0}' has no property '{1}'."
},
Type_0_is_not_an_array_type: {
code: 2461,
category: ts.DiagnosticCategory.Error,
key: "Type '{0}' is not an array type."
},
A_rest_element_must_be_last_in_an_array_destructuring_pattern: {
code: 2462,
category: ts.DiagnosticCategory.Error,
key: "A rest element must be last in an array destructuring pattern"
},
A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: {
code: 2463,
category: ts.DiagnosticCategory.Error,
key: "A binding pattern parameter cannot be optional in an implementation signature."
},
A_computed_property_name_must_be_of_type_string_number_symbol_or_any: {
code: 2464,
category: ts.DiagnosticCategory.Error,
key: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'."
},
this_cannot_be_referenced_in_a_computed_property_name: {
code: 2465,
category: ts.DiagnosticCategory.Error,
key: "'this' cannot be referenced in a computed property name."
},
super_cannot_be_referenced_in_a_computed_property_name: {
code: 2466,
category: ts.DiagnosticCategory.Error,
key: "'super' cannot be referenced in a computed property name."
},
A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: {
code: 2467,
category: ts.DiagnosticCategory.Error,
key: "A computed property name cannot reference a type parameter from its containing type."
},
Cannot_find_global_value_0: {
code: 2468,
category: ts.DiagnosticCategory.Error,
key: "Cannot find global value '{0}'."
},
The_0_operator_cannot_be_applied_to_type_symbol: {
code: 2469,
category: ts.DiagnosticCategory.Error,
key: "The '{0}' operator cannot be applied to type 'symbol'."
},
Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: {
code: 2470,
category: ts.DiagnosticCategory.Error,
key: "'Symbol' reference does not refer to the global Symbol constructor object."
},
A_computed_property_name_of_the_form_0_must_be_of_type_symbol: {
code: 2471,
category: ts.DiagnosticCategory.Error,
key: "A computed property name of the form '{0}' must be of type 'symbol'."
},
Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_6_and_higher: {
code: 2472,
category: ts.DiagnosticCategory.Error,
key: "Spread operator in 'new' expressions is only available when targeting ECMAScript 6 and higher."
},
Enum_declarations_must_all_be_const_or_non_const: {
code: 2473,
category: ts.DiagnosticCategory.Error,
key: "Enum declarations must all be const or non-const."
},
In_const_enum_declarations_member_initializer_must_be_constant_expression: {
code: 2474,
category: ts.DiagnosticCategory.Error,
key: "In 'const' enum declarations member initializer must be constant expression."
},
const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: {
code: 2475,
category: ts.DiagnosticCategory.Error,
key: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment."
},
A_const_enum_member_can_only_be_accessed_using_a_string_literal: {
code: 2476,
category: ts.DiagnosticCategory.Error,
key: "A const enum member can only be accessed using a string literal."
},
const_enum_member_initializer_was_evaluated_to_a_non_finite_value: {
code: 2477,
category: ts.DiagnosticCategory.Error,
key: "'const' enum member initializer was evaluated to a non-finite value."
},
const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: {
code: 2478,
category: ts.DiagnosticCategory.Error,
key: "'const' enum member initializer was evaluated to disallowed value 'NaN'."
},
Property_0_does_not_exist_on_const_enum_1: {
code: 2479,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' does not exist on 'const' enum '{1}'."
},
let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: {
code: 2480,
category: ts.DiagnosticCategory.Error,
key: "'let' is not allowed to be used as a name in 'let' or 'const' declarations."
},
Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: {
code: 2481,
category: ts.DiagnosticCategory.Error,
key: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'."
},
The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: {
code: 2483,
category: ts.DiagnosticCategory.Error,
key: "The left-hand side of a 'for...of' statement cannot use a type annotation."
},
Export_declaration_conflicts_with_exported_declaration_of_0: {
code: 2484,
category: ts.DiagnosticCategory.Error,
key: "Export declaration conflicts with exported declaration of '{0}'"
},
The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant: {
code: 2485,
category: ts.DiagnosticCategory.Error,
key: "The left-hand side of a 'for...of' statement cannot be a previously defined constant."
},
The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant: {
code: 2486,
category: ts.DiagnosticCategory.Error,
key: "The left-hand side of a 'for...in' statement cannot be a previously defined constant."
},
Invalid_left_hand_side_in_for_of_statement: {
code: 2487,
category: ts.DiagnosticCategory.Error,
key: "Invalid left-hand side in 'for...of' statement."
},
The_right_hand_side_of_a_for_of_statement_must_have_a_Symbol_iterator_method_that_returns_an_iterator: {
code: 2488,
category: ts.DiagnosticCategory.Error,
key: "The right-hand side of a 'for...of' statement must have a '[Symbol.iterator]()' method that returns an iterator."
},
The_iterator_returned_by_the_right_hand_side_of_a_for_of_statement_must_have_a_next_method: {
code: 2489,
category: ts.DiagnosticCategory.Error,
key: "The iterator returned by the right-hand side of a 'for...of' statement must have a 'next()' method."
},
The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: {
code: 2490,
category: ts.DiagnosticCategory.Error,
key: "The type returned by the 'next()' method of an iterator must have a 'value' property."
},
The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: {
code: 2491,
category: ts.DiagnosticCategory.Error,
key: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern."
},
Cannot_redeclare_identifier_0_in_catch_clause: {
code: 2492,
category: ts.DiagnosticCategory.Error,
key: "Cannot redeclare identifier '{0}' in catch clause"
},
Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: {
code: 2493,
category: ts.DiagnosticCategory.Error,
key: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'."
},
Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: {
code: 2494,
category: ts.DiagnosticCategory.Error,
key: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher."
},
Type_0_is_not_an_array_type_or_a_string_type: {
code: 2495,
category: ts.DiagnosticCategory.Error,
key: "Type '{0}' is not an array type or a string type."
},
The_arguments_object_cannot_be_referenced_in_an_arrow_function_Consider_using_a_standard_function_expression: {
code: 2496,
category: ts.DiagnosticCategory.Error,
key: "The 'arguments' object cannot be referenced in an arrow function. Consider using a standard function expression."
},
External_module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: {
code: 2497,
category: ts.DiagnosticCategory.Error,
key: "External module '{0}' resolves to a non-module entity and cannot be imported using this construct."
},
External_module_0_uses_export_and_cannot_be_used_with_export_Asterisk: {
code: 2498,
category: ts.DiagnosticCategory.Error,
key: "External module '{0}' uses 'export =' and cannot be used with 'export *'."
},
An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: {
code: 2499,
category: ts.DiagnosticCategory.Error,
key: "An interface can only extend an identifier/qualified-name with optional type arguments."
},
A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: {
code: 2500,
category: ts.DiagnosticCategory.Error,
key: "A class can only implement an identifier/qualified-name with optional type arguments."
},
Import_declaration_0_is_using_private_name_1: {
code: 4000,
category: ts.DiagnosticCategory.Error,
key: "Import declaration '{0}' is using private name '{1}'."
},
Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: {
code: 4002,
category: ts.DiagnosticCategory.Error,
key: "Type parameter '{0}' of exported class has or is using private name '{1}'."
},
Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: {
code: 4004,
category: ts.DiagnosticCategory.Error,
key: "Type parameter '{0}' of exported interface has or is using private name '{1}'."
},
Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: {
code: 4006,
category: ts.DiagnosticCategory.Error,
key: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'."
},
Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: {
code: 4008,
category: ts.DiagnosticCategory.Error,
key: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'."
},
Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: {
code: 4010,
category: ts.DiagnosticCategory.Error,
key: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'."
},
Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: {
code: 4012,
category: ts.DiagnosticCategory.Error,
key: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'."
},
Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: {
code: 4014,
category: ts.DiagnosticCategory.Error,
key: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'."
},
Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: {
code: 4016,
category: ts.DiagnosticCategory.Error,
key: "Type parameter '{0}' of exported function has or is using private name '{1}'."
},
Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: {
code: 4019,
category: ts.DiagnosticCategory.Error,
key: "Implements clause of exported class '{0}' has or is using private name '{1}'."
},
Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: {
code: 4020,
category: ts.DiagnosticCategory.Error,
key: "Extends clause of exported class '{0}' has or is using private name '{1}'."
},
Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: {
code: 4022,
category: ts.DiagnosticCategory.Error,
key: "Extends clause of exported interface '{0}' has or is using private name '{1}'."
},
Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: {
code: 4023,
category: ts.DiagnosticCategory.Error,
key: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named."
},
Exported_variable_0_has_or_is_using_name_1_from_private_module_2: {
code: 4024,
category: ts.DiagnosticCategory.Error,
key: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'."
},
Exported_variable_0_has_or_is_using_private_name_1: {
code: 4025,
category: ts.DiagnosticCategory.Error,
key: "Exported variable '{0}' has or is using private name '{1}'."
},
Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: {
code: 4026,
category: ts.DiagnosticCategory.Error,
key: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."
},
Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: {
code: 4027,
category: ts.DiagnosticCategory.Error,
key: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'."
},
Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: {
code: 4028,
category: ts.DiagnosticCategory.Error,
key: "Public static property '{0}' of exported class has or is using private name '{1}'."
},
Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: {
code: 4029,
category: ts.DiagnosticCategory.Error,
key: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named."
},
Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: {
code: 4030,
category: ts.DiagnosticCategory.Error,
key: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'."
},
Public_property_0_of_exported_class_has_or_is_using_private_name_1: {
code: 4031,
category: ts.DiagnosticCategory.Error,
key: "Public property '{0}' of exported class has or is using private name '{1}'."
},
Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: {
code: 4032,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'."
},
Property_0_of_exported_interface_has_or_is_using_private_name_1: {
code: 4033,
category: ts.DiagnosticCategory.Error,
key: "Property '{0}' of exported interface has or is using private name '{1}'."
},
Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: {
code: 4034,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'."
},
Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: {
code: 4035,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'."
},
Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: {
code: 4036,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'."
},
Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: {
code: 4037,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'."
},
Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: {
code: 4038,
category: ts.DiagnosticCategory.Error,
key: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named."
},
Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: {
code: 4039,
category: ts.DiagnosticCategory.Error,
key: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'."
},
Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: {
code: 4040,
category: ts.DiagnosticCategory.Error,
key: "Return type of public static property getter from exported class has or is using private name '{0}'."
},
Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: {
code: 4041,
category: ts.DiagnosticCategory.Error,
key: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named."
},
Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: {
code: 4042,
category: ts.DiagnosticCategory.Error,
key: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'."
},
Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: {
code: 4043,
category: ts.DiagnosticCategory.Error,
key: "Return type of public property getter from exported class has or is using private name '{0}'."
},
Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: {
code: 4044,
category: ts.DiagnosticCategory.Error,
key: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'."
},
Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: {
code: 4045,
category: ts.DiagnosticCategory.Error,
key: "Return type of constructor signature from exported interface has or is using private name '{0}'."
},
Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: {
code: 4046,
category: ts.DiagnosticCategory.Error,
key: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'."
},
Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: {
code: 4047,
category: ts.DiagnosticCategory.Error,
key: "Return type of call signature from exported interface has or is using private name '{0}'."
},
Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: {
code: 4048,
category: ts.DiagnosticCategory.Error,
key: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'."
},
Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: {
code: 4049,
category: ts.DiagnosticCategory.Error,
key: "Return type of index signature from exported interface has or is using private name '{0}'."
},
Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: {
code: 4050,
category: ts.DiagnosticCategory.Error,
key: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named."
},
Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: {
code: 4051,
category: ts.DiagnosticCategory.Error,
key: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'."
},
Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: {
code: 4052,
category: ts.DiagnosticCategory.Error,
key: "Return type of public static method from exported class has or is using private name '{0}'."
},
Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: {
code: 4053,
category: ts.DiagnosticCategory.Error,
key: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named."
},
Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: {
code: 4054,
category: ts.DiagnosticCategory.Error,
key: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'."
},
Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: {
code: 4055,
category: ts.DiagnosticCategory.Error,
key: "Return type of public method from exported class has or is using private name '{0}'."
},
Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: {
code: 4056,
category: ts.DiagnosticCategory.Error,
key: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'."
},
Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: {
code: 4057,
category: ts.DiagnosticCategory.Error,
key: "Return type of method from exported interface has or is using private name '{0}'."
},
Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: {
code: 4058,
category: ts.DiagnosticCategory.Error,
key: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named."
},
Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: {
code: 4059,
category: ts.DiagnosticCategory.Error,
key: "Return type of exported function has or is using name '{0}' from private module '{1}'."
},
Return_type_of_exported_function_has_or_is_using_private_name_0: {
code: 4060,
category: ts.DiagnosticCategory.Error,
key: "Return type of exported function has or is using private name '{0}'."
},
Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: {
code: 4061,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named."
},
Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: {
code: 4062,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'."
},
Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: {
code: 4063,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'."
},
Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: {
code: 4064,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'."
},
Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: {
code: 4065,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'."
},
Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: {
code: 4066,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'."
},
Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: {
code: 4067,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'."
},
Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: {
code: 4068,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named."
},
Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: {
code: 4069,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'."
},
Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: {
code: 4070,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'."
},
Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: {
code: 4071,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named."
},
Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: {
code: 4072,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'."
},
Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: {
code: 4073,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of public method from exported class has or is using private name '{1}'."
},
Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: {
code: 4074,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'."
},
Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: {
code: 4075,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of method from exported interface has or is using private name '{1}'."
},
Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: {
code: 4076,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named."
},
Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: {
code: 4077,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'."
},
Parameter_0_of_exported_function_has_or_is_using_private_name_1: {
code: 4078,
category: ts.DiagnosticCategory.Error,
key: "Parameter '{0}' of exported function has or is using private name '{1}'."
},
Exported_type_alias_0_has_or_is_using_private_name_1: {
code: 4081,
category: ts.DiagnosticCategory.Error,
key: "Exported type alias '{0}' has or is using private name '{1}'."
},
Default_export_of_the_module_has_or_is_using_private_name_0: {
code: 4082,
category: ts.DiagnosticCategory.Error,
key: "Default export of the module has or is using private name '{0}'."
},
Loop_contains_block_scoped_variable_0_referenced_by_a_function_in_the_loop_This_is_only_supported_in_ECMAScript_6_or_higher: {
code: 4091,
category: ts.DiagnosticCategory.Error,
key: "Loop contains block-scoped variable '{0}' referenced by a function in the loop. This is only supported in ECMAScript 6 or higher."
},
The_current_host_does_not_support_the_0_option: {
code: 5001,
category: ts.DiagnosticCategory.Error,
key: "The current host does not support the '{0}' option."
},
Cannot_find_the_common_subdirectory_path_for_the_input_files: {
code: 5009,
category: ts.DiagnosticCategory.Error,
key: "Cannot find the common subdirectory path for the input files."
},
Cannot_read_file_0_Colon_1: {
code: 5012,
category: ts.DiagnosticCategory.Error,
key: "Cannot read file '{0}': {1}"
},
Unsupported_file_encoding: {
code: 5013,
category: ts.DiagnosticCategory.Error,
key: "Unsupported file encoding."
},
Unknown_compiler_option_0: {
code: 5023,
category: ts.DiagnosticCategory.Error,
key: "Unknown compiler option '{0}'."
},
Compiler_option_0_requires_a_value_of_type_1: {
code: 5024,
category: ts.DiagnosticCategory.Error,
key: "Compiler option '{0}' requires a value of type {1}."
},
Could_not_write_file_0_Colon_1: {
code: 5033,
category: ts.DiagnosticCategory.Error,
key: "Could not write file '{0}': {1}"
},
Option_mapRoot_cannot_be_specified_without_specifying_sourcemap_option: {
code: 5038,
category: ts.DiagnosticCategory.Error,
key: "Option 'mapRoot' cannot be specified without specifying 'sourcemap' option."
},
Option_sourceRoot_cannot_be_specified_without_specifying_sourcemap_option: {
code: 5039,
category: ts.DiagnosticCategory.Error,
key: "Option 'sourceRoot' cannot be specified without specifying 'sourcemap' option."
},
Option_noEmit_cannot_be_specified_with_option_out_or_outDir: {
code: 5040,
category: ts.DiagnosticCategory.Error,
key: "Option 'noEmit' cannot be specified with option 'out' or 'outDir'."
},
Option_noEmit_cannot_be_specified_with_option_declaration: {
code: 5041,
category: ts.DiagnosticCategory.Error,
key: "Option 'noEmit' cannot be specified with option 'declaration'."
},
Option_project_cannot_be_mixed_with_source_files_on_a_command_line: {
code: 5042,
category: ts.DiagnosticCategory.Error,
key: "Option 'project' cannot be mixed with source files on a command line."
},
Option_sourceMap_cannot_be_specified_with_option_separateCompilation: {
code: 5043,
category: ts.DiagnosticCategory.Error,
key: "Option 'sourceMap' cannot be specified with option 'separateCompilation'."
},
Option_declaration_cannot_be_specified_with_option_separateCompilation: {
code: 5044,
category: ts.DiagnosticCategory.Error,
key: "Option 'declaration' cannot be specified with option 'separateCompilation'."
},
Option_noEmitOnError_cannot_be_specified_with_option_separateCompilation: {
code: 5045,
category: ts.DiagnosticCategory.Error,
key: "Option 'noEmitOnError' cannot be specified with option 'separateCompilation'."
},
Option_out_cannot_be_specified_with_option_separateCompilation: {
code: 5046,
category: ts.DiagnosticCategory.Error,
key: "Option 'out' cannot be specified with option 'separateCompilation'."
},
Option_separateCompilation_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES6_or_higher: {
code: 5047,
category: ts.DiagnosticCategory.Error,
key: "Option 'separateCompilation' can only be used when either option'--module' is provided or option 'target' is 'ES6' or higher."
},
Concatenate_and_emit_output_to_single_file: {
code: 6001,
category: ts.DiagnosticCategory.Message,
key: "Concatenate and emit output to single file."
},
Generates_corresponding_d_ts_file: {
code: 6002,
category: ts.DiagnosticCategory.Message,
key: "Generates corresponding '.d.ts' file."
},
Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: {
code: 6003,
category: ts.DiagnosticCategory.Message,
key: "Specifies the location where debugger should locate map files instead of generated locations."
},
Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: {
code: 6004,
category: ts.DiagnosticCategory.Message,
key: "Specifies the location where debugger should locate TypeScript files instead of source locations."
},
Watch_input_files: {
code: 6005,
category: ts.DiagnosticCategory.Message,
key: "Watch input files."
},
Redirect_output_structure_to_the_directory: {
code: 6006,
category: ts.DiagnosticCategory.Message,
key: "Redirect output structure to the directory."
},
Do_not_erase_const_enum_declarations_in_generated_code: {
code: 6007,
category: ts.DiagnosticCategory.Message,
key: "Do not erase const enum declarations in generated code."
},
Do_not_emit_outputs_if_any_type_checking_errors_were_reported: {
code: 6008,
category: ts.DiagnosticCategory.Message,
key: "Do not emit outputs if any type checking errors were reported."
},
Do_not_emit_comments_to_output: {
code: 6009,
category: ts.DiagnosticCategory.Message,
key: "Do not emit comments to output."
},
Do_not_emit_outputs: {
code: 6010,
category: ts.DiagnosticCategory.Message,
key: "Do not emit outputs."
},
Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES6_experimental: {
code: 6015,
category: ts.DiagnosticCategory.Message,
key: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES6' (experimental)"
},
Specify_module_code_generation_Colon_commonjs_or_amd: {
code: 6016,
category: ts.DiagnosticCategory.Message,
key: "Specify module code generation: 'commonjs' or 'amd'"
},
Print_this_message: {
code: 6017,
category: ts.DiagnosticCategory.Message,
key: "Print this message."
},
Print_the_compiler_s_version: {
code: 6019,
category: ts.DiagnosticCategory.Message,
key: "Print the compiler's version."
},
Compile_the_project_in_the_given_directory: {
code: 6020,
category: ts.DiagnosticCategory.Message,
key: "Compile the project in the given directory."
},
Syntax_Colon_0: {
code: 6023,
category: ts.DiagnosticCategory.Message,
key: "Syntax: {0}"
},
options: {
code: 6024,
category: ts.DiagnosticCategory.Message,
key: "options"
},
file: {
code: 6025,
category: ts.DiagnosticCategory.Message,
key: "file"
},
Examples_Colon_0: {
code: 6026,
category: ts.DiagnosticCategory.Message,
key: "Examples: {0}"
},
Options_Colon: {
code: 6027,
category: ts.DiagnosticCategory.Message,
key: "Options:"
},
Version_0: {
code: 6029,
category: ts.DiagnosticCategory.Message,
key: "Version {0}"
},
Insert_command_line_options_and_files_from_a_file: {
code: 6030,
category: ts.DiagnosticCategory.Message,
key: "Insert command line options and files from a file."
},
File_change_detected_Starting_incremental_compilation: {
code: 6032,
category: ts.DiagnosticCategory.Message,
key: "File change detected. Starting incremental compilation..."
},
KIND: {
code: 6034,
category: ts.DiagnosticCategory.Message,
key: "KIND"
},
FILE: {
code: 6035,
category: ts.DiagnosticCategory.Message,
key: "FILE"
},
VERSION: {
code: 6036,
category: ts.DiagnosticCategory.Message,
key: "VERSION"
},
LOCATION: {
code: 6037,
category: ts.DiagnosticCategory.Message,
key: "LOCATION"
},
DIRECTORY: {
code: 6038,
category: ts.DiagnosticCategory.Message,
key: "DIRECTORY"
},
Compilation_complete_Watching_for_file_changes: {
code: 6042,
category: ts.DiagnosticCategory.Message,
key: "Compilation complete. Watching for file changes."
},
Generates_corresponding_map_file: {
code: 6043,
category: ts.DiagnosticCategory.Message,
key: "Generates corresponding '.map' file."
},
Compiler_option_0_expects_an_argument: {
code: 6044,
category: ts.DiagnosticCategory.Error,
key: "Compiler option '{0}' expects an argument."
},
Unterminated_quoted_string_in_response_file_0: {
code: 6045,
category: ts.DiagnosticCategory.Error,
key: "Unterminated quoted string in response file '{0}'."
},
Argument_for_module_option_must_be_commonjs_or_amd: {
code: 6046,
category: ts.DiagnosticCategory.Error,
key: "Argument for '--module' option must be 'commonjs' or 'amd'."
},
Argument_for_target_option_must_be_es3_es5_or_es6: {
code: 6047,
category: ts.DiagnosticCategory.Error,
key: "Argument for '--target' option must be 'es3', 'es5', or 'es6'."
},
Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: {
code: 6048,
category: ts.DiagnosticCategory.Error,
key: "Locale must be of the form <language> or <language>-<territory>. For example '{0}' or '{1}'."
},
Unsupported_locale_0: {
code: 6049,
category: ts.DiagnosticCategory.Error,
key: "Unsupported locale '{0}'."
},
Unable_to_open_file_0: {
code: 6050,
category: ts.DiagnosticCategory.Error,
key: "Unable to open file '{0}'."
},
Corrupted_locale_file_0: {
code: 6051,
category: ts.DiagnosticCategory.Error,
key: "Corrupted locale file {0}."
},
Raise_error_on_expressions_and_declarations_with_an_implied_any_type: {
code: 6052,
category: ts.DiagnosticCategory.Message,
key: "Raise error on expressions and declarations with an implied 'any' type."
},
File_0_not_found: {
code: 6053,
category: ts.DiagnosticCategory.Error,
key: "File '{0}' not found."
},
File_0_must_have_extension_ts_or_d_ts: {
code: 6054,
category: ts.DiagnosticCategory.Error,
key: "File '{0}' must have extension '.ts' or '.d.ts'."
},
Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: {
code: 6055,
category: ts.DiagnosticCategory.Message,
key: "Suppress noImplicitAny errors for indexing objects lacking index signatures."
},
Do_not_emit_declarations_for_code_that_has_an_internal_annotation: {
code: 6056,
category: ts.DiagnosticCategory.Message,
key: "Do not emit declarations for code that has an '@internal' annotation."
},
Preserve_new_lines_when_emitting_code: {
code: 6057,
category: ts.DiagnosticCategory.Message,
key: "Preserve new-lines when emitting code."
},
Variable_0_implicitly_has_an_1_type: {
code: 7005,
category: ts.DiagnosticCategory.Error,
key: "Variable '{0}' implicitly has an '{1}' type."
},
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category: ts.DiagnosticCategory.Error,
key: "'{0}' implicitly has type 'any' because it is does not have a type annotation and is referenced directly or indirectly in its own initializer."
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category: ts.DiagnosticCategory.Error,
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category: ts.DiagnosticCategory.Error,
key: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions."
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You_cannot_rename_this_element: {
code: 8000,
category: ts.DiagnosticCategory.Error,
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category: ts.DiagnosticCategory.Error,
key: "You cannot rename elements that are defined in the standard TypeScript library."
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yield_expressions_are_not_currently_supported: {
code: 9000,
category: ts.DiagnosticCategory.Error,
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Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: {
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category: ts.DiagnosticCategory.Error,
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class_expressions_are_not_currently_supported: {
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class_declarations_are_only_supported_directly_inside_a_module_or_as_a_top_level_declaration: {
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category: ts.DiagnosticCategory.Error,
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65470,
65474,
65479,
65482,
65487,
65490,
65495,
65498,
65500,
];
function lookupInUnicodeMap(code, map) {
if (code < map[0]) {
return false;
}
var lo = 0;
var hi = map.length;
var mid;
while (lo + 1 < hi) {
mid = lo + (hi - lo) / 2;
mid -= mid % 2;
if (map[mid] <= code && code <= map[mid + 1]) {
return true;
}
if (code < map[mid]) {
hi = mid;
}
else {
lo = mid + 2;
}
}
return false;
}
function isUnicodeIdentifierStart(code, languageVersion) {
return languageVersion >= 1 ? lookupInUnicodeMap(code, unicodeES5IdentifierStart) : lookupInUnicodeMap(code, unicodeES3IdentifierStart);
}
ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart;
function isUnicodeIdentifierPart(code, languageVersion) {
return languageVersion >= 1 ? lookupInUnicodeMap(code, unicodeES5IdentifierPart) : lookupInUnicodeMap(code, unicodeES3IdentifierPart);
}
function makeReverseMap(source) {
var result = [];
for (var name_2 in source) {
if (source.hasOwnProperty(name_2)) {
result[source[name_2]] = name_2;
}
}
return result;
}
var tokenStrings = makeReverseMap(textToToken);
function tokenToString(t) {
return tokenStrings[t];
}
ts.tokenToString = tokenToString;
function stringToToken(s) {
return textToToken[s];
}
ts.stringToToken = stringToToken;
function computeLineStarts(text) {
var result = new Array();
var pos = 0;
var lineStart = 0;
while (pos < text.length) {
var ch = text.charCodeAt(pos++);
switch (ch) {
case 13:
if (text.charCodeAt(pos) === 10) {
pos++;
}
case 10:
result.push(lineStart);
lineStart = pos;
break;
default:
if (ch > 127 && isLineBreak(ch)) {
result.push(lineStart);
lineStart = pos;
}
break;
}
}
result.push(lineStart);
return result;
}
ts.computeLineStarts = computeLineStarts;
function getPositionOfLineAndCharacter(sourceFile, line, character) {
return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character);
}
ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter;
function computePositionOfLineAndCharacter(lineStarts, line, character) {
ts.Debug.assert(line >= 0 && line < lineStarts.length);
return lineStarts[line] + character;
}
ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter;
function getLineStarts(sourceFile) {
return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text));
}
ts.getLineStarts = getLineStarts;
function computeLineAndCharacterOfPosition(lineStarts, position) {
var lineNumber = ts.binarySearch(lineStarts, position);
if (lineNumber < 0) {
lineNumber = ~lineNumber - 1;
}
return {
line: lineNumber,
character: position - lineStarts[lineNumber]
};
}
ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition;
function getLineAndCharacterOfPosition(sourceFile, position) {
return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position);
}
ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition;
var hasOwnProperty = Object.prototype.hasOwnProperty;
function isWhiteSpace(ch) {
return ch === 32 || ch === 9 || ch === 11 || ch === 12 || ch === 160 || ch === 133 || ch === 5760 || ch >= 8192 && ch <= 8203 || ch === 8239 || ch === 8287 || ch === 12288 || ch === 65279;
}
ts.isWhiteSpace = isWhiteSpace;
function isLineBreak(ch) {
// ES5 7.3:
// The ECMAScript line terminator characters are listed in Table 3.
// Table 3 <20> Line Terminator Characters
// Code Unit Value Name Formal Name
// \u000A Line Feed <LF>
// \u000D Carriage Return <CR>
// \u2028 Line separator <LS>
// \u2029 Paragraph separator <PS>
// Only the characters in Table 3 are treated as line terminators. Other new line or line
// breaking characters are treated as white space but not as line terminators.
return ch === 10 || ch === 13 || ch === 8232 || ch === 8233;
}
ts.isLineBreak = isLineBreak;
function isDigit(ch) {
return ch >= 48 && ch <= 57;
}
function isOctalDigit(ch) {
return ch >= 48 && ch <= 55;
}
ts.isOctalDigit = isOctalDigit;
function skipTrivia(text, pos, stopAfterLineBreak) {
while (true) {
var ch = text.charCodeAt(pos);
switch (ch) {
case 13:
if (text.charCodeAt(pos + 1) === 10) {
pos++;
}
case 10:
pos++;
if (stopAfterLineBreak) {
return pos;
}
continue;
case 9:
case 11:
case 12:
case 32:
pos++;
continue;
case 47:
if (text.charCodeAt(pos + 1) === 47) {
pos += 2;
while (pos < text.length) {
if (isLineBreak(text.charCodeAt(pos))) {
break;
}
pos++;
}
continue;
}
if (text.charCodeAt(pos + 1) === 42) {
pos += 2;
while (pos < text.length) {
if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) {
pos += 2;
break;
}
pos++;
}
continue;
}
break;
case 60:
case 61:
case 62:
if (isConflictMarkerTrivia(text, pos)) {
pos = scanConflictMarkerTrivia(text, pos);
continue;
}
break;
default:
if (ch > 127 && (isWhiteSpace(ch) || isLineBreak(ch))) {
pos++;
continue;
}
break;
}
return pos;
}
}
ts.skipTrivia = skipTrivia;
var mergeConflictMarkerLength = "<<<<<<<".length;
function isConflictMarkerTrivia(text, pos) {
ts.Debug.assert(pos >= 0);
if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) {
var ch = text.charCodeAt(pos);
if ((pos + mergeConflictMarkerLength) < text.length) {
for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) {
if (text.charCodeAt(pos + i) !== ch) {
return false;
}
}
return ch === 61 || text.charCodeAt(pos + mergeConflictMarkerLength) === 32;
}
}
return false;
}
function scanConflictMarkerTrivia(text, pos, error) {
if (error) {
error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength);
}
var ch = text.charCodeAt(pos);
var len = text.length;
if (ch === 60 || ch === 62) {
while (pos < len && !isLineBreak(text.charCodeAt(pos))) {
pos++;
}
}
else {
ts.Debug.assert(ch === 61);
while (pos < len) {
var ch_1 = text.charCodeAt(pos);
if (ch_1 === 62 && isConflictMarkerTrivia(text, pos)) {
break;
}
pos++;
}
}
return pos;
}
function getCommentRanges(text, pos, trailing) {
var result;
var collecting = trailing || pos === 0;
while (true) {
var ch = text.charCodeAt(pos);
switch (ch) {
case 13:
if (text.charCodeAt(pos + 1) === 10) {
pos++;
}
case 10:
pos++;
if (trailing) {
return result;
}
collecting = true;
if (result && result.length) {
result[result.length - 1].hasTrailingNewLine = true;
}
continue;
case 9:
case 11:
case 12:
case 32:
pos++;
continue;
case 47:
var nextChar = text.charCodeAt(pos + 1);
var hasTrailingNewLine = false;
if (nextChar === 47 || nextChar === 42) {
var startPos = pos;
pos += 2;
if (nextChar === 47) {
while (pos < text.length) {
if (isLineBreak(text.charCodeAt(pos))) {
hasTrailingNewLine = true;
break;
}
pos++;
}
}
else {
while (pos < text.length) {
if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) {
pos += 2;
break;
}
pos++;
}
}
if (collecting) {
if (!result) {
result = [];
}
result.push({
pos: startPos,
end: pos,
hasTrailingNewLine: hasTrailingNewLine
});
}
continue;
}
break;
default:
if (ch > 127 && (isWhiteSpace(ch) || isLineBreak(ch))) {
if (result && result.length && isLineBreak(ch)) {
result[result.length - 1].hasTrailingNewLine = true;
}
pos++;
continue;
}
break;
}
return result;
}
}
function getLeadingCommentRanges(text, pos) {
return getCommentRanges(text, pos, false);
}
ts.getLeadingCommentRanges = getLeadingCommentRanges;
function getTrailingCommentRanges(text, pos) {
return getCommentRanges(text, pos, true);
}
ts.getTrailingCommentRanges = getTrailingCommentRanges;
function isIdentifierStart(ch, languageVersion) {
return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || ch === 36 || ch === 95 || ch > 127 && isUnicodeIdentifierStart(ch, languageVersion);
}
ts.isIdentifierStart = isIdentifierStart;
function isIdentifierPart(ch, languageVersion) {
return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || ch >= 48 && ch <= 57 || ch === 36 || ch === 95 || ch > 127 && isUnicodeIdentifierPart(ch, languageVersion);
}
ts.isIdentifierPart = isIdentifierPart;
function createScanner(languageVersion, skipTrivia, text, onError) {
var pos;
var len;
var startPos;
var tokenPos;
var token;
var tokenValue;
var precedingLineBreak;
var hasExtendedUnicodeEscape;
var tokenIsUnterminated;
function error(message, length) {
if (onError) {
onError(message, length || 0);
}
}
function isIdentifierStart(ch) {
return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || ch === 36 || ch === 95 || ch > 127 && isUnicodeIdentifierStart(ch, languageVersion);
}
function isIdentifierPart(ch) {
return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || ch >= 48 && ch <= 57 || ch === 36 || ch === 95 || ch > 127 && isUnicodeIdentifierPart(ch, languageVersion);
}
function scanNumber() {
var start = pos;
while (isDigit(text.charCodeAt(pos)))
pos++;
if (text.charCodeAt(pos) === 46) {
pos++;
while (isDigit(text.charCodeAt(pos)))
pos++;
}
var end = pos;
if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) {
pos++;
if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45)
pos++;
if (isDigit(text.charCodeAt(pos))) {
pos++;
while (isDigit(text.charCodeAt(pos)))
pos++;
end = pos;
}
else {
error(ts.Diagnostics.Digit_expected);
}
}
return +(text.substring(start, end));
}
function scanOctalDigits() {
var start = pos;
while (isOctalDigit(text.charCodeAt(pos))) {
pos++;
}
return +(text.substring(start, pos));
}
function scanExactNumberOfHexDigits(count) {
return scanHexDigits(count, false);
}
function scanMinimumNumberOfHexDigits(count) {
return scanHexDigits(count, true);
}
function scanHexDigits(minCount, scanAsManyAsPossible) {
var digits = 0;
var value = 0;
while (digits < minCount || scanAsManyAsPossible) {
var ch = text.charCodeAt(pos);
if (ch >= 48 && ch <= 57) {
value = value * 16 + ch - 48;
}
else if (ch >= 65 && ch <= 70) {
value = value * 16 + ch - 65 + 10;
}
else if (ch >= 97 && ch <= 102) {
value = value * 16 + ch - 97 + 10;
}
else {
break;
}
pos++;
digits++;
}
if (digits < minCount) {
value = -1;
}
return value;
}
function scanString() {
var quote = text.charCodeAt(pos++);
var result = "";
var start = pos;
while (true) {
if (pos >= len) {
result += text.substring(start, pos);
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_string_literal);
break;
}
var ch = text.charCodeAt(pos);
if (ch === quote) {
result += text.substring(start, pos);
pos++;
break;
}
if (ch === 92) {
result += text.substring(start, pos);
result += scanEscapeSequence();
start = pos;
continue;
}
if (isLineBreak(ch)) {
result += text.substring(start, pos);
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_string_literal);
break;
}
pos++;
}
return result;
}
function scanTemplateAndSetTokenValue() {
var startedWithBacktick = text.charCodeAt(pos) === 96;
pos++;
var start = pos;
var contents = "";
var resultingToken;
while (true) {
if (pos >= len) {
contents += text.substring(start, pos);
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_template_literal);
resultingToken = startedWithBacktick ? 10 : 13;
break;
}
var currChar = text.charCodeAt(pos);
if (currChar === 96) {
contents += text.substring(start, pos);
pos++;
resultingToken = startedWithBacktick ? 10 : 13;
break;
}
if (currChar === 36 && pos + 1 < len && text.charCodeAt(pos + 1) === 123) {
contents += text.substring(start, pos);
pos += 2;
resultingToken = startedWithBacktick ? 11 : 12;
break;
}
if (currChar === 92) {
contents += text.substring(start, pos);
contents += scanEscapeSequence();
start = pos;
continue;
}
if (currChar === 13) {
contents += text.substring(start, pos);
pos++;
if (pos < len && text.charCodeAt(pos) === 10) {
pos++;
}
contents += "\n";
start = pos;
continue;
}
pos++;
}
ts.Debug.assert(resultingToken !== undefined);
tokenValue = contents;
return resultingToken;
}
function scanEscapeSequence() {
pos++;
if (pos >= len) {
error(ts.Diagnostics.Unexpected_end_of_text);
return "";
}
var ch = text.charCodeAt(pos++);
switch (ch) {
case 48:
return "\0";
case 98:
return "\b";
case 116:
return "\t";
case 110:
return "\n";
case 118:
return "\v";
case 102:
return "\f";
case 114:
return "\r";
case 39:
return "\'";
case 34:
return "\"";
case 117:
if (pos < len && text.charCodeAt(pos) === 123) {
hasExtendedUnicodeEscape = true;
pos++;
return scanExtendedUnicodeEscape();
}
return scanHexadecimalEscape(4);
case 120:
return scanHexadecimalEscape(2);
case 13:
if (pos < len && text.charCodeAt(pos) === 10) {
pos++;
}
case 10:
case 8232:
case 8233:
return "";
default:
return String.fromCharCode(ch);
}
}
function scanHexadecimalEscape(numDigits) {
var escapedValue = scanExactNumberOfHexDigits(numDigits);
if (escapedValue >= 0) {
return String.fromCharCode(escapedValue);
}
else {
error(ts.Diagnostics.Hexadecimal_digit_expected);
return "";
}
}
function scanExtendedUnicodeEscape() {
var escapedValue = scanMinimumNumberOfHexDigits(1);
var isInvalidExtendedEscape = false;
if (escapedValue < 0) {
error(ts.Diagnostics.Hexadecimal_digit_expected);
isInvalidExtendedEscape = true;
}
else if (escapedValue > 0x10FFFF) {
error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive);
isInvalidExtendedEscape = true;
}
if (pos >= len) {
error(ts.Diagnostics.Unexpected_end_of_text);
isInvalidExtendedEscape = true;
}
else if (text.charCodeAt(pos) == 125) {
pos++;
}
else {
error(ts.Diagnostics.Unterminated_Unicode_escape_sequence);
isInvalidExtendedEscape = true;
}
if (isInvalidExtendedEscape) {
return "";
}
return utf16EncodeAsString(escapedValue);
}
function utf16EncodeAsString(codePoint) {
ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF);
if (codePoint <= 65535) {
return String.fromCharCode(codePoint);
}
var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800;
var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00;
return String.fromCharCode(codeUnit1, codeUnit2);
}
function peekUnicodeEscape() {
if (pos + 5 < len && text.charCodeAt(pos + 1) === 117) {
var start = pos;
pos += 2;
var value = scanExactNumberOfHexDigits(4);
pos = start;
return value;
}
return -1;
}
function scanIdentifierParts() {
var result = "";
var start = pos;
while (pos < len) {
var ch = text.charCodeAt(pos);
if (isIdentifierPart(ch)) {
pos++;
}
else if (ch === 92) {
ch = peekUnicodeEscape();
if (!(ch >= 0 && isIdentifierPart(ch))) {
break;
}
result += text.substring(start, pos);
result += String.fromCharCode(ch);
pos += 6;
start = pos;
}
else {
break;
}
}
result += text.substring(start, pos);
return result;
}
function getIdentifierToken() {
var len = tokenValue.length;
if (len >= 2 && len <= 11) {
var ch = tokenValue.charCodeAt(0);
if (ch >= 97 && ch <= 122 && hasOwnProperty.call(textToToken, tokenValue)) {
return token = textToToken[tokenValue];
}
}
return token = 65;
}
function scanBinaryOrOctalDigits(base) {
ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8");
var value = 0;
var numberOfDigits = 0;
while (true) {
var ch = text.charCodeAt(pos);
var valueOfCh = ch - 48;
if (!isDigit(ch) || valueOfCh >= base) {
break;
}
value = value * base + valueOfCh;
pos++;
numberOfDigits++;
}
if (numberOfDigits === 0) {
return -1;
}
return value;
}
function scan() {
startPos = pos;
hasExtendedUnicodeEscape = false;
precedingLineBreak = false;
tokenIsUnterminated = false;
while (true) {
tokenPos = pos;
if (pos >= len) {
return token = 1;
}
var ch = text.charCodeAt(pos);
switch (ch) {
case 10:
case 13:
precedingLineBreak = true;
if (skipTrivia) {
pos++;
continue;
}
else {
if (ch === 13 && pos + 1 < len && text.charCodeAt(pos + 1) === 10) {
pos += 2;
}
else {
pos++;
}
return token = 4;
}
case 9:
case 11:
case 12:
case 32:
if (skipTrivia) {
pos++;
continue;
}
else {
while (pos < len && isWhiteSpace(text.charCodeAt(pos))) {
pos++;
}
return token = 5;
}
case 33:
if (text.charCodeAt(pos + 1) === 61) {
if (text.charCodeAt(pos + 2) === 61) {
return pos += 3, token = 31;
}
return pos += 2, token = 29;
}
return pos++, token = 46;
case 34:
case 39:
tokenValue = scanString();
return token = 8;
case 96:
return token = scanTemplateAndSetTokenValue();
case 37:
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 58;
}
return pos++, token = 37;
case 38:
if (text.charCodeAt(pos + 1) === 38) {
return pos += 2, token = 48;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 62;
}
return pos++, token = 43;
case 40:
return pos++, token = 16;
case 41:
return pos++, token = 17;
case 42:
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 56;
}
return pos++, token = 35;
case 43:
if (text.charCodeAt(pos + 1) === 43) {
return pos += 2, token = 38;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 54;
}
return pos++, token = 33;
case 44:
return pos++, token = 23;
case 45:
if (text.charCodeAt(pos + 1) === 45) {
return pos += 2, token = 39;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 55;
}
return pos++, token = 34;
case 46:
if (isDigit(text.charCodeAt(pos + 1))) {
tokenValue = "" + scanNumber();
return token = 7;
}
if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) {
return pos += 3, token = 21;
}
return pos++, token = 20;
case 47:
if (text.charCodeAt(pos + 1) === 47) {
pos += 2;
while (pos < len) {
if (isLineBreak(text.charCodeAt(pos))) {
break;
}
pos++;
}
if (skipTrivia) {
continue;
}
else {
return token = 2;
}
}
if (text.charCodeAt(pos + 1) === 42) {
pos += 2;
var commentClosed = false;
while (pos < len) {
var ch_2 = text.charCodeAt(pos);
if (ch_2 === 42 && text.charCodeAt(pos + 1) === 47) {
pos += 2;
commentClosed = true;
break;
}
if (isLineBreak(ch_2)) {
precedingLineBreak = true;
}
pos++;
}
if (!commentClosed) {
error(ts.Diagnostics.Asterisk_Slash_expected);
}
if (skipTrivia) {
continue;
}
else {
tokenIsUnterminated = !commentClosed;
return token = 3;
}
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 57;
}
return pos++, token = 36;
case 48:
if (pos + 2 < len && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) {
pos += 2;
var value = scanMinimumNumberOfHexDigits(1);
if (value < 0) {
error(ts.Diagnostics.Hexadecimal_digit_expected);
value = 0;
}
tokenValue = "" + value;
return token = 7;
}
else if (pos + 2 < len && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) {
pos += 2;
var value = scanBinaryOrOctalDigits(2);
if (value < 0) {
error(ts.Diagnostics.Binary_digit_expected);
value = 0;
}
tokenValue = "" + value;
return token = 7;
}
else if (pos + 2 < len && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) {
pos += 2;
var value = scanBinaryOrOctalDigits(8);
if (value < 0) {
error(ts.Diagnostics.Octal_digit_expected);
value = 0;
}
tokenValue = "" + value;
return token = 7;
}
if (pos + 1 < len && isOctalDigit(text.charCodeAt(pos + 1))) {
tokenValue = "" + scanOctalDigits();
return token = 7;
}
case 49:
case 50:
case 51:
case 52:
case 53:
case 54:
case 55:
case 56:
case 57:
tokenValue = "" + scanNumber();
return token = 7;
case 58:
return pos++, token = 51;
case 59:
return pos++, token = 22;
case 60:
if (isConflictMarkerTrivia(text, pos)) {
pos = scanConflictMarkerTrivia(text, pos, error);
if (skipTrivia) {
continue;
}
else {
return token = 6;
}
}
if (text.charCodeAt(pos + 1) === 60) {
if (text.charCodeAt(pos + 2) === 61) {
return pos += 3, token = 59;
}
return pos += 2, token = 40;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 26;
}
return pos++, token = 24;
case 61:
if (isConflictMarkerTrivia(text, pos)) {
pos = scanConflictMarkerTrivia(text, pos, error);
if (skipTrivia) {
continue;
}
else {
return token = 6;
}
}
if (text.charCodeAt(pos + 1) === 61) {
if (text.charCodeAt(pos + 2) === 61) {
return pos += 3, token = 30;
}
return pos += 2, token = 28;
}
if (text.charCodeAt(pos + 1) === 62) {
return pos += 2, token = 32;
}
return pos++, token = 53;
case 62:
if (isConflictMarkerTrivia(text, pos)) {
pos = scanConflictMarkerTrivia(text, pos, error);
if (skipTrivia) {
continue;
}
else {
return token = 6;
}
}
return pos++, token = 25;
case 63:
return pos++, token = 50;
case 91:
return pos++, token = 18;
case 93:
return pos++, token = 19;
case 94:
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 64;
}
return pos++, token = 45;
case 123:
return pos++, token = 14;
case 124:
if (text.charCodeAt(pos + 1) === 124) {
return pos += 2, token = 49;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 63;
}
return pos++, token = 44;
case 125:
return pos++, token = 15;
case 126:
return pos++, token = 47;
case 64:
return pos++, token = 52;
case 92:
var cookedChar = peekUnicodeEscape();
if (cookedChar >= 0 && isIdentifierStart(cookedChar)) {
pos += 6;
tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts();
return token = getIdentifierToken();
}
error(ts.Diagnostics.Invalid_character);
return pos++, token = 0;
default:
if (isIdentifierStart(ch)) {
pos++;
while (pos < len && isIdentifierPart(ch = text.charCodeAt(pos)))
pos++;
tokenValue = text.substring(tokenPos, pos);
if (ch === 92) {
tokenValue += scanIdentifierParts();
}
return token = getIdentifierToken();
}
else if (isWhiteSpace(ch)) {
pos++;
continue;
}
else if (isLineBreak(ch)) {
precedingLineBreak = true;
pos++;
continue;
}
error(ts.Diagnostics.Invalid_character);
return pos++, token = 0;
}
}
}
function reScanGreaterToken() {
if (token === 25) {
if (text.charCodeAt(pos) === 62) {
if (text.charCodeAt(pos + 1) === 62) {
if (text.charCodeAt(pos + 2) === 61) {
return pos += 3, token = 61;
}
return pos += 2, token = 42;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 60;
}
return pos++, token = 41;
}
if (text.charCodeAt(pos) === 61) {
return pos++, token = 27;
}
}
return token;
}
function reScanSlashToken() {
if (token === 36 || token === 57) {
var p = tokenPos + 1;
var inEscape = false;
var inCharacterClass = false;
while (true) {
if (p >= len) {
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_regular_expression_literal);
break;
}
var ch = text.charCodeAt(p);
if (isLineBreak(ch)) {
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_regular_expression_literal);
break;
}
if (inEscape) {
inEscape = false;
}
else if (ch === 47 && !inCharacterClass) {
p++;
break;
}
else if (ch === 91) {
inCharacterClass = true;
}
else if (ch === 92) {
inEscape = true;
}
else if (ch === 93) {
inCharacterClass = false;
}
p++;
}
while (p < len && isIdentifierPart(text.charCodeAt(p))) {
p++;
}
pos = p;
tokenValue = text.substring(tokenPos, pos);
token = 9;
}
return token;
}
function reScanTemplateToken() {
ts.Debug.assert(token === 15, "'reScanTemplateToken' should only be called on a '}'");
pos = tokenPos;
return token = scanTemplateAndSetTokenValue();
}
function speculationHelper(callback, isLookahead) {
var savePos = pos;
var saveStartPos = startPos;
var saveTokenPos = tokenPos;
var saveToken = token;
var saveTokenValue = tokenValue;
var savePrecedingLineBreak = precedingLineBreak;
var result = callback();
if (!result || isLookahead) {
pos = savePos;
startPos = saveStartPos;
tokenPos = saveTokenPos;
token = saveToken;
tokenValue = saveTokenValue;
precedingLineBreak = savePrecedingLineBreak;
}
return result;
}
function lookAhead(callback) {
return speculationHelper(callback, true);
}
function tryScan(callback) {
return speculationHelper(callback, false);
}
function setText(newText) {
text = newText || "";
len = text.length;
setTextPos(0);
}
function setTextPos(textPos) {
pos = textPos;
startPos = textPos;
tokenPos = textPos;
token = 0;
precedingLineBreak = false;
}
setText(text);
return {
getStartPos: function () {
return startPos;
},
getTextPos: function () {
return pos;
},
getToken: function () {
return token;
},
getTokenPos: function () {
return tokenPos;
},
getTokenText: function () {
return text.substring(tokenPos, pos);
},
getTokenValue: function () {
return tokenValue;
},
hasExtendedUnicodeEscape: function () {
return hasExtendedUnicodeEscape;
},
hasPrecedingLineBreak: function () {
return precedingLineBreak;
},
isIdentifier: function () {
return token === 65 || token > 101;
},
isReservedWord: function () {
return token >= 66 && token <= 101;
},
isUnterminated: function () {
return tokenIsUnterminated;
},
reScanGreaterToken: reScanGreaterToken,
reScanSlashToken: reScanSlashToken,
reScanTemplateToken: reScanTemplateToken,
scan: scan,
setText: setText,
setTextPos: setTextPos,
tryScan: tryScan,
lookAhead: lookAhead
};
}
ts.createScanner = createScanner;
})(ts || (ts = {}));
/// <reference path="parser.ts"/>
var ts;
(function (ts) {
ts.bindTime = 0;
function getModuleInstanceState(node) {
if (node.kind === 202 || node.kind === 203) {
return 0;
}
else if (ts.isConstEnumDeclaration(node)) {
return 2;
}
else if ((node.kind === 209 || node.kind === 208) && !(node.flags & 1)) {
return 0;
}
else if (node.kind === 206) {
var state = 0;
ts.forEachChild(node, function (n) {
switch (getModuleInstanceState(n)) {
case 0:
return false;
case 2:
state = 2;
return false;
case 1:
state = 1;
return true;
}
});
return state;
}
else if (node.kind === 205) {
return getModuleInstanceState(node.body);
}
else {
return 1;
}
}
ts.getModuleInstanceState = getModuleInstanceState;
function bindSourceFile(file) {
var start = new Date().getTime();
bindSourceFileWorker(file);
ts.bindTime += new Date().getTime() - start;
}
ts.bindSourceFile = bindSourceFile;
function bindSourceFileWorker(file) {
var parent;
var container;
var blockScopeContainer;
var lastContainer;
var symbolCount = 0;
var Symbol = ts.objectAllocator.getSymbolConstructor();
if (!file.locals) {
file.locals = {};
container = file;
setBlockScopeContainer(file, false);
bind(file);
file.symbolCount = symbolCount;
}
function createSymbol(flags, name) {
symbolCount++;
return new Symbol(flags, name);
}
function setBlockScopeContainer(node, cleanLocals) {
blockScopeContainer = node;
if (cleanLocals) {
blockScopeContainer.locals = undefined;
}
}
function addDeclarationToSymbol(symbol, node, symbolKind) {
symbol.flags |= symbolKind;
if (!symbol.declarations)
symbol.declarations = [];
symbol.declarations.push(node);
if (symbolKind & 1952 && !symbol.exports)
symbol.exports = {};
if (symbolKind & 6240 && !symbol.members)
symbol.members = {};
node.symbol = symbol;
if (symbolKind & 107455 && !symbol.valueDeclaration)
symbol.valueDeclaration = node;
}
function getDeclarationName(node) {
if (node.name) {
if (node.kind === 205 && node.name.kind === 8) {
return '"' + node.name.text + '"';
}
if (node.name.kind === 127) {
var nameExpression = node.name.expression;
ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression));
return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text);
}
return node.name.text;
}
switch (node.kind) {
case 143:
case 135:
return "__constructor";
case 142:
case 138:
return "__call";
case 139:
return "__new";
case 140:
return "__index";
case 215:
return "__export";
case 214:
return node.isExportEquals ? "export=" : "default";
case 200:
case 201:
return node.flags & 256 ? "default" : undefined;
}
}
function getDisplayName(node) {
return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node);
}
function declareSymbol(symbols, parent, node, includes, excludes) {
ts.Debug.assert(!ts.hasDynamicName(node));
var name = node.flags & 256 && parent ? "default" : getDeclarationName(node);
var symbol;
if (name !== undefined) {
symbol = ts.hasProperty(symbols, name) ? symbols[name] : (symbols[name] = createSymbol(0, name));
if (symbol.flags & excludes) {
if (node.name) {
node.name.parent = node;
}
var message = symbol.flags & 2 ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0;
ts.forEach(symbol.declarations, function (declaration) {
file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message, getDisplayName(declaration)));
});
file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message, getDisplayName(node)));
symbol = createSymbol(0, name);
}
}
else {
symbol = createSymbol(0, "__missing");
}
addDeclarationToSymbol(symbol, node, includes);
symbol.parent = parent;
if ((node.kind === 201 || node.kind === 174) && symbol.exports) {
var prototypeSymbol = createSymbol(4 | 134217728, "prototype");
if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) {
if (node.name) {
node.name.parent = node;
}
file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name));
}
symbol.exports[prototypeSymbol.name] = prototypeSymbol;
prototypeSymbol.parent = symbol;
}
return symbol;
}
function declareModuleMember(node, symbolKind, symbolExcludes) {
var hasExportModifier = ts.getCombinedNodeFlags(node) & 1;
if (symbolKind & 8388608) {
if (node.kind === 217 || (node.kind === 208 && hasExportModifier)) {
declareSymbol(container.symbol.exports, container.symbol, node, symbolKind, symbolExcludes);
}
else {
declareSymbol(container.locals, undefined, node, symbolKind, symbolExcludes);
}
}
else {
if (hasExportModifier || container.flags & 32768) {
var exportKind = (symbolKind & 107455 ? 1048576 : 0) | (symbolKind & 793056 ? 2097152 : 0) | (symbolKind & 1536 ? 4194304 : 0);
var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes);
local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolKind, symbolExcludes);
node.localSymbol = local;
}
else {
declareSymbol(container.locals, undefined, node, symbolKind, symbolExcludes);
}
}
}
function bindChildren(node, symbolKind, isBlockScopeContainer) {
if (symbolKind & 255504) {
node.locals = {};
}
var saveParent = parent;
var saveContainer = container;
var savedBlockScopeContainer = blockScopeContainer;
parent = node;
if (symbolKind & 262128) {
container = node;
if (lastContainer) {
lastContainer.nextContainer = container;
}
lastContainer = container;
}
if (isBlockScopeContainer) {
setBlockScopeContainer(node, (symbolKind & 255504) === 0 && node.kind !== 227);
}
ts.forEachChild(node, bind);
container = saveContainer;
parent = saveParent;
blockScopeContainer = savedBlockScopeContainer;
}
function bindDeclaration(node, symbolKind, symbolExcludes, isBlockScopeContainer) {
switch (container.kind) {
case 205:
declareModuleMember(node, symbolKind, symbolExcludes);
break;
case 227:
if (ts.isExternalModule(container)) {
declareModuleMember(node, symbolKind, symbolExcludes);
break;
}
case 142:
case 143:
case 138:
case 139:
case 140:
case 134:
case 133:
case 135:
case 136:
case 137:
case 200:
case 162:
case 163:
declareSymbol(container.locals, undefined, node, symbolKind, symbolExcludes);
break;
case 174:
case 201:
if (node.flags & 128) {
declareSymbol(container.symbol.exports, container.symbol, node, symbolKind, symbolExcludes);
break;
}
case 145:
case 154:
case 202:
declareSymbol(container.symbol.members, container.symbol, node, symbolKind, symbolExcludes);
break;
case 204:
declareSymbol(container.symbol.exports, container.symbol, node, symbolKind, symbolExcludes);
break;
}
bindChildren(node, symbolKind, isBlockScopeContainer);
}
function isAmbientContext(node) {
while (node) {
if (node.flags & 2)
return true;
node = node.parent;
}
return false;
}
function hasExportDeclarations(node) {
var body = node.kind === 227 ? node : node.body;
if (body.kind === 227 || body.kind === 206) {
for (var _i = 0, _a = body.statements; _i < _a.length; _i++) {
var stat = _a[_i];
if (stat.kind === 215 || stat.kind === 214) {
return true;
}
}
}
return false;
}
function setExportContextFlag(node) {
if (isAmbientContext(node) && !hasExportDeclarations(node)) {
node.flags |= 32768;
}
else {
node.flags &= ~32768;
}
}
function bindModuleDeclaration(node) {
setExportContextFlag(node);
if (node.name.kind === 8) {
bindDeclaration(node, 512, 106639, true);
}
else {
var state = getModuleInstanceState(node);
if (state === 0) {
bindDeclaration(node, 1024, 0, true);
}
else {
bindDeclaration(node, 512, 106639, true);
var currentModuleIsConstEnumOnly = state === 2;
if (node.symbol.constEnumOnlyModule === undefined) {
node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly;
}
else {
node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly;
}
}
}
}
function bindFunctionOrConstructorType(node) {
// For a given function symbol "<...>(...) => T" we want to generate a symbol identical
// to the one we would get for: { <...>(...): T }
//
// We do that by making an anonymous type literal symbol, and then setting the function
// symbol as its sole member. To the rest of the system, this symbol will be indistinguishable
// from an actual type literal symbol you would have gotten had you used the long form.
var symbol = createSymbol(131072, getDeclarationName(node));
addDeclarationToSymbol(symbol, node, 131072);
bindChildren(node, 131072, false);
var typeLiteralSymbol = createSymbol(2048, "__type");
addDeclarationToSymbol(typeLiteralSymbol, node, 2048);
typeLiteralSymbol.members = {};
typeLiteralSymbol.members[node.kind === 142 ? "__call" : "__new"] = symbol;
}
function bindAnonymousDeclaration(node, symbolKind, name, isBlockScopeContainer) {
var symbol = createSymbol(symbolKind, name);
addDeclarationToSymbol(symbol, node, symbolKind);
bindChildren(node, symbolKind, isBlockScopeContainer);
}
function bindCatchVariableDeclaration(node) {
bindChildren(node, 0, true);
}
function bindBlockScopedVariableDeclaration(node) {
switch (blockScopeContainer.kind) {
case 205:
declareModuleMember(node, 2, 107455);
break;
case 227:
if (ts.isExternalModule(container)) {
declareModuleMember(node, 2, 107455);
break;
}
default:
if (!blockScopeContainer.locals) {
blockScopeContainer.locals = {};
}
declareSymbol(blockScopeContainer.locals, undefined, node, 2, 107455);
}
bindChildren(node, 2, false);
}
function getDestructuringParameterName(node) {
return "__" + ts.indexOf(node.parent.parameters, node);
}
function bind(node) {
node.parent = parent;
switch (node.kind) {
case 128:
bindDeclaration(node, 262144, 530912, false);
break;
case 129:
bindParameter(node);
break;
case 198:
case 152:
if (ts.isBindingPattern(node.name)) {
bindChildren(node, 0, false);
}
else if (ts.isBlockOrCatchScoped(node)) {
bindBlockScopedVariableDeclaration(node);
}
else {
bindDeclaration(node, 1, 107454, false);
}
break;
case 132:
case 131:
bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 536870912 : 0), 107455, false);
break;
case 224:
case 225:
bindPropertyOrMethodOrAccessor(node, 4, 107455, false);
break;
case 226:
bindPropertyOrMethodOrAccessor(node, 8, 107455, false);
break;
case 138:
case 139:
case 140:
bindDeclaration(node, 131072, 0, false);
break;
case 134:
case 133:
bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 536870912 : 0), ts.isObjectLiteralMethod(node) ? 107455 : 99263, true);
break;
case 200:
bindDeclaration(node, 16, 106927, true);
break;
case 135:
bindDeclaration(node, 16384, 0, true);
break;
case 136:
bindPropertyOrMethodOrAccessor(node, 32768, 41919, true);
break;
case 137:
bindPropertyOrMethodOrAccessor(node, 65536, 74687, true);
break;
case 142:
case 143:
bindFunctionOrConstructorType(node);
break;
case 145:
bindAnonymousDeclaration(node, 2048, "__type", false);
break;
case 154:
bindAnonymousDeclaration(node, 4096, "__object", false);
break;
case 162:
case 163:
bindAnonymousDeclaration(node, 16, "__function", true);
break;
case 174:
bindAnonymousDeclaration(node, 32, "__class", false);
break;
case 223:
bindCatchVariableDeclaration(node);
break;
case 201:
bindDeclaration(node, 32, 899583, false);
break;
case 202:
bindDeclaration(node, 64, 792992, false);
break;
case 203:
bindDeclaration(node, 524288, 793056, false);
break;
case 204:
if (ts.isConst(node)) {
bindDeclaration(node, 128, 899967, false);
}
else {
bindDeclaration(node, 256, 899327, false);
}
break;
case 205:
bindModuleDeclaration(node);
break;
case 208:
case 211:
case 213:
case 217:
bindDeclaration(node, 8388608, 8388608, false);
break;
case 210:
if (node.name) {
bindDeclaration(node, 8388608, 8388608, false);
}
else {
bindChildren(node, 0, false);
}
break;
case 215:
if (!node.exportClause) {
declareSymbol(container.symbol.exports, container.symbol, node, 1073741824, 0);
}
bindChildren(node, 0, false);
break;
case 214:
if (node.expression && node.expression.kind === 65) {
declareSymbol(container.symbol.exports, container.symbol, node, 8388608, 107455 | 8388608);
}
else {
declareSymbol(container.symbol.exports, container.symbol, node, 4, 107455 | 8388608);
}
bindChildren(node, 0, false);
break;
case 227:
setExportContextFlag(node);
if (ts.isExternalModule(node)) {
bindAnonymousDeclaration(node, 512, '"' + ts.removeFileExtension(node.fileName) + '"', true);
break;
}
case 179:
bindChildren(node, 0, !ts.isFunctionLike(node.parent));
break;
case 223:
case 186:
case 187:
case 188:
case 207:
bindChildren(node, 0, true);
break;
default:
var saveParent = parent;
parent = node;
ts.forEachChild(node, bind);
parent = saveParent;
}
}
function bindParameter(node) {
if (ts.isBindingPattern(node.name)) {
bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node), false);
}
else {
bindDeclaration(node, 1, 107455, false);
}
if (node.flags & 112 && node.parent.kind === 135 && (node.parent.parent.kind === 201 || node.parent.parent.kind === 174)) {
var classDeclaration = node.parent.parent;
declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4, 107455);
}
}
function bindPropertyOrMethodOrAccessor(node, symbolKind, symbolExcludes, isBlockScopeContainer) {
if (ts.hasDynamicName(node)) {
bindAnonymousDeclaration(node, symbolKind, "__computed", isBlockScopeContainer);
}
else {
bindDeclaration(node, symbolKind, symbolExcludes, isBlockScopeContainer);
}
}
}
})(ts || (ts = {}));
/// <reference path="binder.ts" />
var ts;
(function (ts) {
function getDeclarationOfKind(symbol, kind) {
var declarations = symbol.declarations;
for (var _i = 0; _i < declarations.length; _i++) {
var declaration = declarations[_i];
if (declaration.kind === kind) {
return declaration;
}
}
return undefined;
}
ts.getDeclarationOfKind = getDeclarationOfKind;
var stringWriters = [];
function getSingleLineStringWriter() {
if (stringWriters.length == 0) {
var str = "";
var writeText = function (text) {
return str += text;
};
return {
string: function () {
return str;
},
writeKeyword: writeText,
writeOperator: writeText,
writePunctuation: writeText,
writeSpace: writeText,
writeStringLiteral: writeText,
writeParameter: writeText,
writeSymbol: writeText,
writeLine: function () {
return str += " ";
},
increaseIndent: function () {
},
decreaseIndent: function () {
},
clear: function () {
return str = "";
},
trackSymbol: function () {
}
};
}
return stringWriters.pop();
}
ts.getSingleLineStringWriter = getSingleLineStringWriter;
function releaseStringWriter(writer) {
writer.clear();
stringWriters.push(writer);
}
ts.releaseStringWriter = releaseStringWriter;
function getFullWidth(node) {
return node.end - node.pos;
}
ts.getFullWidth = getFullWidth;
function containsParseError(node) {
aggregateChildData(node);
return (node.parserContextFlags & 64) !== 0;
}
ts.containsParseError = containsParseError;
function aggregateChildData(node) {
if (!(node.parserContextFlags & 128)) {
var thisNodeOrAnySubNodesHasError = ((node.parserContextFlags & 32) !== 0) || ts.forEachChild(node, containsParseError);
if (thisNodeOrAnySubNodesHasError) {
node.parserContextFlags |= 64;
}
node.parserContextFlags |= 128;
}
}
function getSourceFileOfNode(node) {
while (node && node.kind !== 227) {
node = node.parent;
}
return node;
}
ts.getSourceFileOfNode = getSourceFileOfNode;
function getStartPositionOfLine(line, sourceFile) {
ts.Debug.assert(line >= 0);
return ts.getLineStarts(sourceFile)[line];
}
ts.getStartPositionOfLine = getStartPositionOfLine;
function nodePosToString(node) {
var file = getSourceFileOfNode(node);
var loc = ts.getLineAndCharacterOfPosition(file, node.pos);
return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")";
}
ts.nodePosToString = nodePosToString;
function getStartPosOfNode(node) {
return node.pos;
}
ts.getStartPosOfNode = getStartPosOfNode;
function nodeIsMissing(node) {
if (!node) {
return true;
}
return node.pos === node.end && node.kind !== 1;
}
ts.nodeIsMissing = nodeIsMissing;
function nodeIsPresent(node) {
return !nodeIsMissing(node);
}
ts.nodeIsPresent = nodeIsPresent;
function getTokenPosOfNode(node, sourceFile) {
if (nodeIsMissing(node)) {
return node.pos;
}
return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos);
}
ts.getTokenPosOfNode = getTokenPosOfNode;
function getSourceTextOfNodeFromSourceFile(sourceFile, node) {
if (nodeIsMissing(node)) {
return "";
}
var text = sourceFile.text;
return text.substring(ts.skipTrivia(text, node.pos), node.end);
}
ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile;
function getTextOfNodeFromSourceText(sourceText, node) {
if (nodeIsMissing(node)) {
return "";
}
return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end);
}
ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText;
function getTextOfNode(node) {
return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node);
}
ts.getTextOfNode = getTextOfNode;
function escapeIdentifier(identifier) {
return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier;
}
ts.escapeIdentifier = escapeIdentifier;
function unescapeIdentifier(identifier) {
return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier;
}
ts.unescapeIdentifier = unescapeIdentifier;
function makeIdentifierFromModuleName(moduleName) {
return ts.getBaseFileName(moduleName).replace(/\W/g, "_");
}
ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName;
function isBlockOrCatchScoped(declaration) {
return (getCombinedNodeFlags(declaration) & 12288) !== 0 || isCatchClauseVariableDeclaration(declaration);
}
ts.isBlockOrCatchScoped = isBlockOrCatchScoped;
function getEnclosingBlockScopeContainer(node) {
var current = node;
while (current) {
if (isFunctionLike(current)) {
return current;
}
switch (current.kind) {
case 227:
case 207:
case 223:
case 205:
case 186:
case 187:
case 188:
return current;
case 179:
if (!isFunctionLike(current.parent)) {
return current;
}
}
current = current.parent;
}
}
ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer;
function isCatchClauseVariableDeclaration(declaration) {
return declaration && declaration.kind === 198 && declaration.parent && declaration.parent.kind === 223;
}
ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration;
function declarationNameToString(name) {
return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name);
}
ts.declarationNameToString = declarationNameToString;
function createDiagnosticForNode(node, message, arg0, arg1, arg2) {
var sourceFile = getSourceFileOfNode(node);
var span = getErrorSpanForNode(sourceFile, node);
return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2);
}
ts.createDiagnosticForNode = createDiagnosticForNode;
function createDiagnosticForNodeFromMessageChain(node, messageChain) {
var sourceFile = getSourceFileOfNode(node);
var span = getErrorSpanForNode(sourceFile, node);
return {
file: sourceFile,
start: span.start,
length: span.length,
code: messageChain.code,
category: messageChain.category,
messageText: messageChain.next ? messageChain : messageChain.messageText
};
}
ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain;
function getSpanOfTokenAtPosition(sourceFile, pos) {
var scanner = ts.createScanner(sourceFile.languageVersion, true, sourceFile.text);
scanner.setTextPos(pos);
scanner.scan();
var start = scanner.getTokenPos();
return createTextSpanFromBounds(start, scanner.getTextPos());
}
ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition;
function getErrorSpanForNode(sourceFile, node) {
var errorNode = node;
switch (node.kind) {
case 227:
var pos_1 = ts.skipTrivia(sourceFile.text, 0, false);
if (pos_1 === sourceFile.text.length) {
return createTextSpan(0, 0);
}
return getSpanOfTokenAtPosition(sourceFile, pos_1);
case 198:
case 152:
case 201:
case 174:
case 202:
case 205:
case 204:
case 226:
case 200:
case 162:
errorNode = node.name;
break;
}
if (errorNode === undefined) {
return getSpanOfTokenAtPosition(sourceFile, node.pos);
}
var pos = nodeIsMissing(errorNode) ? errorNode.pos : ts.skipTrivia(sourceFile.text, errorNode.pos);
return createTextSpanFromBounds(pos, errorNode.end);
}
ts.getErrorSpanForNode = getErrorSpanForNode;
function isExternalModule(file) {
return file.externalModuleIndicator !== undefined;
}
ts.isExternalModule = isExternalModule;
function isDeclarationFile(file) {
return (file.flags & 2048) !== 0;
}
ts.isDeclarationFile = isDeclarationFile;
function isConstEnumDeclaration(node) {
return node.kind === 204 && isConst(node);
}
ts.isConstEnumDeclaration = isConstEnumDeclaration;
function walkUpBindingElementsAndPatterns(node) {
while (node && (node.kind === 152 || isBindingPattern(node))) {
node = node.parent;
}
return node;
}
function getCombinedNodeFlags(node) {
node = walkUpBindingElementsAndPatterns(node);
var flags = node.flags;
if (node.kind === 198) {
node = node.parent;
}
if (node && node.kind === 199) {
flags |= node.flags;
node = node.parent;
}
if (node && node.kind === 180) {
flags |= node.flags;
}
return flags;
}
ts.getCombinedNodeFlags = getCombinedNodeFlags;
function isConst(node) {
return !!(getCombinedNodeFlags(node) & 8192);
}
ts.isConst = isConst;
function isLet(node) {
return !!(getCombinedNodeFlags(node) & 4096);
}
ts.isLet = isLet;
function isPrologueDirective(node) {
return node.kind === 182 && node.expression.kind === 8;
}
ts.isPrologueDirective = isPrologueDirective;
function getLeadingCommentRangesOfNode(node, sourceFileOfNode) {
if (node.kind === 129 || node.kind === 128) {
return ts.concatenate(ts.getTrailingCommentRanges(sourceFileOfNode.text, node.pos), ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos));
}
else {
return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos);
}
}
ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode;
function getJsDocComments(node, sourceFileOfNode) {
return ts.filter(getLeadingCommentRangesOfNode(node, sourceFileOfNode), isJsDocComment);
function isJsDocComment(comment) {
return sourceFileOfNode.text.charCodeAt(comment.pos + 1) === 42 && sourceFileOfNode.text.charCodeAt(comment.pos + 2) === 42 && sourceFileOfNode.text.charCodeAt(comment.pos + 3) !== 47;
}
}
ts.getJsDocComments = getJsDocComments;
ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*<reference\s+path\s*=\s*)('|")(.+?)\2.*?\/>/;
function forEachReturnStatement(body, visitor) {
return traverse(body);
function traverse(node) {
switch (node.kind) {
case 191:
return visitor(node);
case 207:
case 179:
case 183:
case 184:
case 185:
case 186:
case 187:
case 188:
case 192:
case 193:
case 220:
case 221:
case 194:
case 196:
case 223:
return ts.forEachChild(node, traverse);
}
}
}
ts.forEachReturnStatement = forEachReturnStatement;
function isVariableLike(node) {
if (node) {
switch (node.kind) {
case 152:
case 226:
case 129:
case 224:
case 132:
case 131:
case 225:
case 198:
return true;
}
}
return false;
}
ts.isVariableLike = isVariableLike;
function isFunctionLike(node) {
if (node) {
switch (node.kind) {
case 135:
case 162:
case 200:
case 163:
case 134:
case 133:
case 136:
case 137:
case 138:
case 139:
case 140:
case 142:
case 143:
case 162:
case 163:
case 200:
return true;
}
}
return false;
}
ts.isFunctionLike = isFunctionLike;
function isFunctionBlock(node) {
return node && node.kind === 179 && isFunctionLike(node.parent);
}
ts.isFunctionBlock = isFunctionBlock;
function isObjectLiteralMethod(node) {
return node && node.kind === 134 && node.parent.kind === 154;
}
ts.isObjectLiteralMethod = isObjectLiteralMethod;
function getContainingFunction(node) {
while (true) {
node = node.parent;
if (!node || isFunctionLike(node)) {
return node;
}
}
}
ts.getContainingFunction = getContainingFunction;
function getThisContainer(node, includeArrowFunctions) {
while (true) {
node = node.parent;
if (!node) {
return undefined;
}
switch (node.kind) {
case 127:
if (node.parent.parent.kind === 201) {
return node;
}
node = node.parent;
break;
case 163:
if (!includeArrowFunctions) {
continue;
}
case 200:
case 162:
case 205:
case 132:
case 131:
case 134:
case 133:
case 135:
case 136:
case 137:
case 204:
case 227:
return node;
}
}
}
ts.getThisContainer = getThisContainer;
function getSuperContainer(node, includeFunctions) {
while (true) {
node = node.parent;
if (!node)
return node;
switch (node.kind) {
case 127:
if (node.parent.parent.kind === 201) {
return node;
}
node = node.parent;
break;
case 200:
case 162:
case 163:
if (!includeFunctions) {
continue;
}
case 132:
case 131:
case 134:
case 133:
case 135:
case 136:
case 137:
return node;
}
}
}
ts.getSuperContainer = getSuperContainer;
function getInvokedExpression(node) {
if (node.kind === 159) {
return node.tag;
}
return node.expression;
}
ts.getInvokedExpression = getInvokedExpression;
function nodeCanBeDecorated(node) {
switch (node.kind) {
case 201:
return true;
case 132:
return node.parent.kind === 201;
case 129:
return node.parent.body && node.parent.parent.kind === 201;
case 136:
case 137:
case 134:
return node.body && node.parent.kind === 201;
}
return false;
}
ts.nodeCanBeDecorated = nodeCanBeDecorated;
function nodeIsDecorated(node) {
switch (node.kind) {
case 201:
if (node.decorators) {
return true;
}
return false;
case 132:
case 129:
if (node.decorators) {
return true;
}
return false;
case 136:
if (node.body && node.decorators) {
return true;
}
return false;
case 134:
case 137:
if (node.body && node.decorators) {
return true;
}
return false;
}
return false;
}
ts.nodeIsDecorated = nodeIsDecorated;
function childIsDecorated(node) {
switch (node.kind) {
case 201:
return ts.forEach(node.members, nodeOrChildIsDecorated);
case 134:
case 137:
return ts.forEach(node.parameters, nodeIsDecorated);
}
return false;
}
ts.childIsDecorated = childIsDecorated;
function nodeOrChildIsDecorated(node) {
return nodeIsDecorated(node) || childIsDecorated(node);
}
ts.nodeOrChildIsDecorated = nodeOrChildIsDecorated;
function isExpression(node) {
switch (node.kind) {
case 93:
case 91:
case 89:
case 95:
case 80:
case 9:
case 153:
case 154:
case 155:
case 156:
case 157:
case 158:
case 159:
case 160:
case 161:
case 162:
case 174:
case 163:
case 166:
case 164:
case 165:
case 167:
case 168:
case 169:
case 170:
case 173:
case 171:
case 10:
case 175:
return true;
case 126:
while (node.parent.kind === 126) {
node = node.parent;
}
return node.parent.kind === 144;
case 65:
if (node.parent.kind === 144) {
return true;
}
case 7:
case 8:
var parent_1 = node.parent;
switch (parent_1.kind) {
case 198:
case 129:
case 132:
case 131:
case 226:
case 224:
case 152:
return parent_1.initializer === node;
case 182:
case 183:
case 184:
case 185:
case 191:
case 192:
case 193:
case 220:
case 195:
case 193:
return parent_1.expression === node;
case 186:
var forStatement = parent_1;
return (forStatement.initializer === node && forStatement.initializer.kind !== 199) || forStatement.condition === node || forStatement.iterator === node;
case 187:
case 188:
var forInStatement = parent_1;
return (forInStatement.initializer === node && forInStatement.initializer.kind !== 199) || forInStatement.expression === node;
case 160:
return node === parent_1.expression;
case 176:
return node === parent_1.expression;
case 127:
return node === parent_1.expression;
default:
if (isExpression(parent_1)) {
return true;
}
}
}
return false;
}
ts.isExpression = isExpression;
function isInstantiatedModule(node, preserveConstEnums) {
var moduleState = ts.getModuleInstanceState(node);
return moduleState === 1 || (preserveConstEnums && moduleState === 2);
}
ts.isInstantiatedModule = isInstantiatedModule;
function isExternalModuleImportEqualsDeclaration(node) {
return node.kind === 208 && node.moduleReference.kind === 219;
}
ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration;
function getExternalModuleImportEqualsDeclarationExpression(node) {
ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node));
return node.moduleReference.expression;
}
ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression;
function isInternalModuleImportEqualsDeclaration(node) {
return node.kind === 208 && node.moduleReference.kind !== 219;
}
ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration;
function getExternalModuleName(node) {
if (node.kind === 209) {
return node.moduleSpecifier;
}
if (node.kind === 208) {
var reference = node.moduleReference;
if (reference.kind === 219) {
return reference.expression;
}
}
if (node.kind === 215) {
return node.moduleSpecifier;
}
}
ts.getExternalModuleName = getExternalModuleName;
function hasDotDotDotToken(node) {
return node && node.kind === 129 && node.dotDotDotToken !== undefined;
}
ts.hasDotDotDotToken = hasDotDotDotToken;
function hasQuestionToken(node) {
if (node) {
switch (node.kind) {
case 129:
return node.questionToken !== undefined;
case 134:
case 133:
return node.questionToken !== undefined;
case 225:
case 224:
case 132:
case 131:
return node.questionToken !== undefined;
}
}
return false;
}
ts.hasQuestionToken = hasQuestionToken;
function hasRestParameters(s) {
return s.parameters.length > 0 && s.parameters[s.parameters.length - 1].dotDotDotToken !== undefined;
}
ts.hasRestParameters = hasRestParameters;
function isLiteralKind(kind) {
return 7 <= kind && kind <= 10;
}
ts.isLiteralKind = isLiteralKind;
function isTextualLiteralKind(kind) {
return kind === 8 || kind === 10;
}
ts.isTextualLiteralKind = isTextualLiteralKind;
function isTemplateLiteralKind(kind) {
return 10 <= kind && kind <= 13;
}
ts.isTemplateLiteralKind = isTemplateLiteralKind;
function isBindingPattern(node) {
return !!node && (node.kind === 151 || node.kind === 150);
}
ts.isBindingPattern = isBindingPattern;
function isInAmbientContext(node) {
while (node) {
if (node.flags & (2 | 2048)) {
return true;
}
node = node.parent;
}
return false;
}
ts.isInAmbientContext = isInAmbientContext;
function isDeclaration(node) {
switch (node.kind) {
case 163:
case 152:
case 201:
case 135:
case 204:
case 226:
case 217:
case 200:
case 162:
case 136:
case 210:
case 208:
case 213:
case 202:
case 134:
case 133:
case 205:
case 211:
case 129:
case 224:
case 132:
case 131:
case 137:
case 225:
case 203:
case 128:
case 198:
return true;
}
return false;
}
ts.isDeclaration = isDeclaration;
function isStatement(n) {
switch (n.kind) {
case 190:
case 189:
case 197:
case 184:
case 182:
case 181:
case 187:
case 188:
case 186:
case 183:
case 194:
case 191:
case 193:
case 94:
case 196:
case 180:
case 185:
case 192:
case 214:
return true;
default:
return false;
}
}
ts.isStatement = isStatement;
function isClassElement(n) {
switch (n.kind) {
case 135:
case 132:
case 134:
case 136:
case 137:
case 140:
return true;
default:
return false;
}
}
ts.isClassElement = isClassElement;
function isDeclarationName(name) {
if (name.kind !== 65 && name.kind !== 8 && name.kind !== 7) {
return false;
}
var parent = name.parent;
if (parent.kind === 213 || parent.kind === 217) {
if (parent.propertyName) {
return true;
}
}
if (isDeclaration(parent)) {
return parent.name === name;
}
return false;
}
ts.isDeclarationName = isDeclarationName;
function isAliasSymbolDeclaration(node) {
return node.kind === 208 || node.kind === 210 && !!node.name || node.kind === 211 || node.kind === 213 || node.kind === 217 || node.kind === 214 && node.expression.kind === 65;
}
ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration;
function getClassExtendsHeritageClauseElement(node) {
var heritageClause = getHeritageClause(node.heritageClauses, 79);
return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined;
}
ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement;
function getClassImplementsHeritageClauseElements(node) {
var heritageClause = getHeritageClause(node.heritageClauses, 103);
return heritageClause ? heritageClause.types : undefined;
}
ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements;
function getInterfaceBaseTypeNodes(node) {
var heritageClause = getHeritageClause(node.heritageClauses, 79);
return heritageClause ? heritageClause.types : undefined;
}
ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes;
function getHeritageClause(clauses, kind) {
if (clauses) {
for (var _i = 0; _i < clauses.length; _i++) {
var clause = clauses[_i];
if (clause.token === kind) {
return clause;
}
}
}
return undefined;
}
ts.getHeritageClause = getHeritageClause;
function tryResolveScriptReference(host, sourceFile, reference) {
if (!host.getCompilerOptions().noResolve) {
var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName);
referenceFileName = ts.getNormalizedAbsolutePath(referenceFileName, host.getCurrentDirectory());
return host.getSourceFile(referenceFileName);
}
}
ts.tryResolveScriptReference = tryResolveScriptReference;
function getAncestor(node, kind) {
while (node) {
if (node.kind === kind) {
return node;
}
node = node.parent;
}
return undefined;
}
ts.getAncestor = getAncestor;
function getFileReferenceFromReferencePath(comment, commentRange) {
var simpleReferenceRegEx = /^\/\/\/\s*<reference\s+/gim;
var isNoDefaultLibRegEx = /^(\/\/\/\s*<reference\s+no-default-lib\s*=\s*)('|")(.+?)\2\s*\/>/gim;
if (simpleReferenceRegEx.exec(comment)) {
if (isNoDefaultLibRegEx.exec(comment)) {
return {
isNoDefaultLib: true
};
}
else {
var matchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment);
if (matchResult) {
var start = commentRange.pos;
var end = commentRange.end;
return {
fileReference: {
pos: start,
end: end,
fileName: matchResult[3]
},
isNoDefaultLib: false
};
}
else {
return {
diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax,
isNoDefaultLib: false
};
}
}
}
return undefined;
}
ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath;
function isKeyword(token) {
return 66 <= token && token <= 125;
}
ts.isKeyword = isKeyword;
function isTrivia(token) {
return 2 <= token && token <= 6;
}
ts.isTrivia = isTrivia;
function hasDynamicName(declaration) {
return declaration.name && declaration.name.kind === 127 && !isWellKnownSymbolSyntactically(declaration.name.expression);
}
ts.hasDynamicName = hasDynamicName;
function isWellKnownSymbolSyntactically(node) {
return node.kind === 155 && isESSymbolIdentifier(node.expression);
}
ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically;
function getPropertyNameForPropertyNameNode(name) {
if (name.kind === 65 || name.kind === 8 || name.kind === 7) {
return name.text;
}
if (name.kind === 127) {
var nameExpression = name.expression;
if (isWellKnownSymbolSyntactically(nameExpression)) {
var rightHandSideName = nameExpression.name.text;
return getPropertyNameForKnownSymbolName(rightHandSideName);
}
}
return undefined;
}
ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode;
function getPropertyNameForKnownSymbolName(symbolName) {
return "__@" + symbolName;
}
ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName;
function isESSymbolIdentifier(node) {
return node.kind === 65 && node.text === "Symbol";
}
ts.isESSymbolIdentifier = isESSymbolIdentifier;
function isModifier(token) {
switch (token) {
case 109:
case 107:
case 108:
case 110:
case 78:
case 115:
case 70:
case 73:
return true;
}
return false;
}
ts.isModifier = isModifier;
function textSpanEnd(span) {
return span.start + span.length;
}
ts.textSpanEnd = textSpanEnd;
function textSpanIsEmpty(span) {
return span.length === 0;
}
ts.textSpanIsEmpty = textSpanIsEmpty;
function textSpanContainsPosition(span, position) {
return position >= span.start && position < textSpanEnd(span);
}
ts.textSpanContainsPosition = textSpanContainsPosition;
function textSpanContainsTextSpan(span, other) {
return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span);
}
ts.textSpanContainsTextSpan = textSpanContainsTextSpan;
function textSpanOverlapsWith(span, other) {
var overlapStart = Math.max(span.start, other.start);
var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other));
return overlapStart < overlapEnd;
}
ts.textSpanOverlapsWith = textSpanOverlapsWith;
function textSpanOverlap(span1, span2) {
var overlapStart = Math.max(span1.start, span2.start);
var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2));
if (overlapStart < overlapEnd) {
return createTextSpanFromBounds(overlapStart, overlapEnd);
}
return undefined;
}
ts.textSpanOverlap = textSpanOverlap;
function textSpanIntersectsWithTextSpan(span, other) {
return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start;
}
ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan;
function textSpanIntersectsWith(span, start, length) {
var end = start + length;
return start <= textSpanEnd(span) && end >= span.start;
}
ts.textSpanIntersectsWith = textSpanIntersectsWith;
function textSpanIntersectsWithPosition(span, position) {
return position <= textSpanEnd(span) && position >= span.start;
}
ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition;
function textSpanIntersection(span1, span2) {
var intersectStart = Math.max(span1.start, span2.start);
var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2));
if (intersectStart <= intersectEnd) {
return createTextSpanFromBounds(intersectStart, intersectEnd);
}
return undefined;
}
ts.textSpanIntersection = textSpanIntersection;
function createTextSpan(start, length) {
if (start < 0) {
throw new Error("start < 0");
}
if (length < 0) {
throw new Error("length < 0");
}
return {
start: start,
length: length
};
}
ts.createTextSpan = createTextSpan;
function createTextSpanFromBounds(start, end) {
return createTextSpan(start, end - start);
}
ts.createTextSpanFromBounds = createTextSpanFromBounds;
function textChangeRangeNewSpan(range) {
return createTextSpan(range.span.start, range.newLength);
}
ts.textChangeRangeNewSpan = textChangeRangeNewSpan;
function textChangeRangeIsUnchanged(range) {
return textSpanIsEmpty(range.span) && range.newLength === 0;
}
ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged;
function createTextChangeRange(span, newLength) {
if (newLength < 0) {
throw new Error("newLength < 0");
}
return {
span: span,
newLength: newLength
};
}
ts.createTextChangeRange = createTextChangeRange;
ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0);
function collapseTextChangeRangesAcrossMultipleVersions(changes) {
if (changes.length === 0) {
return ts.unchangedTextChangeRange;
}
if (changes.length === 1) {
return changes[0];
}
var change0 = changes[0];
var oldStartN = change0.span.start;
var oldEndN = textSpanEnd(change0.span);
var newEndN = oldStartN + change0.newLength;
for (var i = 1; i < changes.length; i++) {
var nextChange = changes[i];
var oldStart1 = oldStartN;
var oldEnd1 = oldEndN;
var newEnd1 = newEndN;
var oldStart2 = nextChange.span.start;
var oldEnd2 = textSpanEnd(nextChange.span);
var newEnd2 = oldStart2 + nextChange.newLength;
oldStartN = Math.min(oldStart1, oldStart2);
oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1));
newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2));
}
return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), newEndN - oldStartN);
}
ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions;
function nodeStartsNewLexicalEnvironment(n) {
return isFunctionLike(n) || n.kind === 205 || n.kind === 227;
}
ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment;
function nodeIsSynthesized(node) {
return node.pos === -1;
}
ts.nodeIsSynthesized = nodeIsSynthesized;
function createSynthesizedNode(kind, startsOnNewLine) {
var node = ts.createNode(kind);
node.pos = -1;
node.end = -1;
node.startsOnNewLine = startsOnNewLine;
return node;
}
ts.createSynthesizedNode = createSynthesizedNode;
function createDiagnosticCollection() {
var nonFileDiagnostics = [];
var fileDiagnostics = {};
var diagnosticsModified = false;
var modificationCount = 0;
return {
add: add,
getGlobalDiagnostics: getGlobalDiagnostics,
getDiagnostics: getDiagnostics,
getModificationCount: getModificationCount
};
function getModificationCount() {
return modificationCount;
}
function add(diagnostic) {
var diagnostics;
if (diagnostic.file) {
diagnostics = fileDiagnostics[diagnostic.file.fileName];
if (!diagnostics) {
diagnostics = [];
fileDiagnostics[diagnostic.file.fileName] = diagnostics;
}
}
else {
diagnostics = nonFileDiagnostics;
}
diagnostics.push(diagnostic);
diagnosticsModified = true;
modificationCount++;
}
function getGlobalDiagnostics() {
sortAndDeduplicate();
return nonFileDiagnostics;
}
function getDiagnostics(fileName) {
sortAndDeduplicate();
if (fileName) {
return fileDiagnostics[fileName] || [];
}
var allDiagnostics = [];
function pushDiagnostic(d) {
allDiagnostics.push(d);
}
ts.forEach(nonFileDiagnostics, pushDiagnostic);
for (var key in fileDiagnostics) {
if (ts.hasProperty(fileDiagnostics, key)) {
ts.forEach(fileDiagnostics[key], pushDiagnostic);
}
}
return ts.sortAndDeduplicateDiagnostics(allDiagnostics);
}
function sortAndDeduplicate() {
if (!diagnosticsModified) {
return;
}
diagnosticsModified = false;
nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics);
for (var key in fileDiagnostics) {
if (ts.hasProperty(fileDiagnostics, key)) {
fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]);
}
}
}
}
ts.createDiagnosticCollection = createDiagnosticCollection;
var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
var escapedCharsMap = {
"\0": "\\0",
"\t": "\\t",
"\v": "\\v",
"\f": "\\f",
"\b": "\\b",
"\r": "\\r",
"\n": "\\n",
"\\": "\\\\",
"\"": "\\\"",
"\u2028": "\\u2028",
"\u2029": "\\u2029",
"\u0085": "\\u0085"
};
function escapeString(s) {
s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s;
return s;
function getReplacement(c) {
return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0));
}
}
ts.escapeString = escapeString;
function get16BitUnicodeEscapeSequence(charCode) {
var hexCharCode = charCode.toString(16).toUpperCase();
var paddedHexCode = ("0000" + hexCharCode).slice(-4);
return "\\u" + paddedHexCode;
}
var nonAsciiCharacters = /[^\u0000-\u007F]/g;
function escapeNonAsciiCharacters(s) {
return nonAsciiCharacters.test(s) ? s.replace(nonAsciiCharacters, function (c) {
return get16BitUnicodeEscapeSequence(c.charCodeAt(0));
}) : s;
}
ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters;
var indentStrings = [
"",
" "
];
function getIndentString(level) {
if (indentStrings[level] === undefined) {
indentStrings[level] = getIndentString(level - 1) + indentStrings[1];
}
return indentStrings[level];
}
ts.getIndentString = getIndentString;
function getIndentSize() {
return indentStrings[1].length;
}
ts.getIndentSize = getIndentSize;
function createTextWriter(newLine) {
var output = "";
var indent = 0;
var lineStart = true;
var lineCount = 0;
var linePos = 0;
function write(s) {
if (s && s.length) {
if (lineStart) {
output += getIndentString(indent);
lineStart = false;
}
output += s;
}
}
function rawWrite(s) {
if (s !== undefined) {
if (lineStart) {
lineStart = false;
}
output += s;
}
}
function writeLiteral(s) {
if (s && s.length) {
write(s);
var lineStartsOfS = ts.computeLineStarts(s);
if (lineStartsOfS.length > 1) {
lineCount = lineCount + lineStartsOfS.length - 1;
linePos = output.length - s.length + lineStartsOfS[lineStartsOfS.length - 1];
}
}
}
function writeLine() {
if (!lineStart) {
output += newLine;
lineCount++;
linePos = output.length;
lineStart = true;
}
}
function writeTextOfNode(sourceFile, node) {
write(getSourceTextOfNodeFromSourceFile(sourceFile, node));
}
return {
write: write,
rawWrite: rawWrite,
writeTextOfNode: writeTextOfNode,
writeLiteral: writeLiteral,
writeLine: writeLine,
increaseIndent: function () {
return indent++;
},
decreaseIndent: function () {
return indent--;
},
getIndent: function () {
return indent;
},
getTextPos: function () {
return output.length;
},
getLine: function () {
return lineCount + 1;
},
getColumn: function () {
return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1;
},
getText: function () {
return output;
}
};
}
ts.createTextWriter = createTextWriter;
function getOwnEmitOutputFilePath(sourceFile, host, extension) {
var compilerOptions = host.getCompilerOptions();
var emitOutputFilePathWithoutExtension;
if (compilerOptions.outDir) {
emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir));
}
else {
emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName);
}
return emitOutputFilePathWithoutExtension + extension;
}
ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath;
function getSourceFilePathInNewDir(sourceFile, host, newDirPath) {
var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory());
sourceFilePath = sourceFilePath.replace(host.getCommonSourceDirectory(), "");
return ts.combinePaths(newDirPath, sourceFilePath);
}
ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir;
function writeFile(host, diagnostics, fileName, data, writeByteOrderMark) {
host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) {
diagnostics.push(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage));
});
}
ts.writeFile = writeFile;
function getLineOfLocalPosition(currentSourceFile, pos) {
return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line;
}
ts.getLineOfLocalPosition = getLineOfLocalPosition;
function getFirstConstructorWithBody(node) {
return ts.forEach(node.members, function (member) {
if (member.kind === 135 && nodeIsPresent(member.body)) {
return member;
}
});
}
ts.getFirstConstructorWithBody = getFirstConstructorWithBody;
function shouldEmitToOwnFile(sourceFile, compilerOptions) {
if (!isDeclarationFile(sourceFile)) {
if ((isExternalModule(sourceFile) || !compilerOptions.out) && !ts.fileExtensionIs(sourceFile.fileName, ".js")) {
return true;
}
return false;
}
return false;
}
ts.shouldEmitToOwnFile = shouldEmitToOwnFile;
function getAllAccessorDeclarations(declarations, accessor) {
var firstAccessor;
var secondAccessor;
var getAccessor;
var setAccessor;
if (hasDynamicName(accessor)) {
firstAccessor = accessor;
if (accessor.kind === 136) {
getAccessor = accessor;
}
else if (accessor.kind === 137) {
setAccessor = accessor;
}
else {
ts.Debug.fail("Accessor has wrong kind");
}
}
else {
ts.forEach(declarations, function (member) {
if ((member.kind === 136 || member.kind === 137) && (member.flags & 128) === (accessor.flags & 128)) {
var memberName = getPropertyNameForPropertyNameNode(member.name);
var accessorName = getPropertyNameForPropertyNameNode(accessor.name);
if (memberName === accessorName) {
if (!firstAccessor) {
firstAccessor = member;
}
else if (!secondAccessor) {
secondAccessor = member;
}
if (member.kind === 136 && !getAccessor) {
getAccessor = member;
}
if (member.kind === 137 && !setAccessor) {
setAccessor = member;
}
}
}
});
}
return {
firstAccessor: firstAccessor,
secondAccessor: secondAccessor,
getAccessor: getAccessor,
setAccessor: setAccessor
};
}
ts.getAllAccessorDeclarations = getAllAccessorDeclarations;
function emitNewLineBeforeLeadingComments(currentSourceFile, writer, node, leadingComments) {
if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos && getLineOfLocalPosition(currentSourceFile, node.pos) !== getLineOfLocalPosition(currentSourceFile, leadingComments[0].pos)) {
writer.writeLine();
}
}
ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments;
function emitComments(currentSourceFile, writer, comments, trailingSeparator, newLine, writeComment) {
var emitLeadingSpace = !trailingSeparator;
ts.forEach(comments, function (comment) {
if (emitLeadingSpace) {
writer.write(" ");
emitLeadingSpace = false;
}
writeComment(currentSourceFile, writer, comment, newLine);
if (comment.hasTrailingNewLine) {
writer.writeLine();
}
else if (trailingSeparator) {
writer.write(" ");
}
else {
emitLeadingSpace = true;
}
});
}
ts.emitComments = emitComments;
function writeCommentRange(currentSourceFile, writer, comment, newLine) {
if (currentSourceFile.text.charCodeAt(comment.pos + 1) === 42) {
var firstCommentLineAndCharacter = ts.getLineAndCharacterOfPosition(currentSourceFile, comment.pos);
var lineCount = ts.getLineStarts(currentSourceFile).length;
var firstCommentLineIndent;
for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) {
var nextLineStart = (currentLine + 1) === lineCount ? currentSourceFile.text.length + 1 : getStartPositionOfLine(currentLine + 1, currentSourceFile);
if (pos !== comment.pos) {
if (firstCommentLineIndent === undefined) {
firstCommentLineIndent = calculateIndent(getStartPositionOfLine(firstCommentLineAndCharacter.line, currentSourceFile), comment.pos);
}
var currentWriterIndentSpacing = writer.getIndent() * getIndentSize();
var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(pos, nextLineStart);
if (spacesToEmit > 0) {
var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize();
var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize());
writer.rawWrite(indentSizeSpaceString);
while (numberOfSingleSpacesToEmit) {
writer.rawWrite(" ");
numberOfSingleSpacesToEmit--;
}
}
else {
writer.rawWrite("");
}
}
writeTrimmedCurrentLine(pos, nextLineStart);
pos = nextLineStart;
}
}
else {
writer.write(currentSourceFile.text.substring(comment.pos, comment.end));
}
function writeTrimmedCurrentLine(pos, nextLineStart) {
var end = Math.min(comment.end, nextLineStart - 1);
var currentLineText = currentSourceFile.text.substring(pos, end).replace(/^\s+|\s+$/g, '');
if (currentLineText) {
writer.write(currentLineText);
if (end !== comment.end) {
writer.writeLine();
}
}
else {
writer.writeLiteral(newLine);
}
}
function calculateIndent(pos, end) {
var currentLineIndent = 0;
for (; pos < end && ts.isWhiteSpace(currentSourceFile.text.charCodeAt(pos)); pos++) {
if (currentSourceFile.text.charCodeAt(pos) === 9) {
currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize());
}
else {
currentLineIndent++;
}
}
return currentLineIndent;
}
}
ts.writeCommentRange = writeCommentRange;
function isSupportedHeritageClauseElement(node) {
return isSupportedHeritageClauseElementExpression(node.expression);
}
ts.isSupportedHeritageClauseElement = isSupportedHeritageClauseElement;
function isSupportedHeritageClauseElementExpression(node) {
if (node.kind === 65) {
return true;
}
else if (node.kind === 155) {
return isSupportedHeritageClauseElementExpression(node.expression);
}
else {
return false;
}
}
function isRightSideOfQualifiedNameOrPropertyAccess(node) {
return (node.parent.kind === 126 && node.parent.right === node) || (node.parent.kind === 155 && node.parent.name === node);
}
ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess;
function getLocalSymbolForExportDefault(symbol) {
return symbol && symbol.valueDeclaration && (symbol.valueDeclaration.flags & 256) ? symbol.valueDeclaration.localSymbol : undefined;
}
ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault;
})(ts || (ts = {}));
/// <reference path="scanner.ts"/>
/// <reference path="utilities.ts"/>
var ts;
(function (ts) {
var nodeConstructors = new Array(229);
ts.parseTime = 0;
function getNodeConstructor(kind) {
return nodeConstructors[kind] || (nodeConstructors[kind] = ts.objectAllocator.getNodeConstructor(kind));
}
ts.getNodeConstructor = getNodeConstructor;
function createNode(kind) {
return new (getNodeConstructor(kind))();
}
ts.createNode = createNode;
function visitNode(cbNode, node) {
if (node) {
return cbNode(node);
}
}
function visitNodeArray(cbNodes, nodes) {
if (nodes) {
return cbNodes(nodes);
}
}
function visitEachNode(cbNode, nodes) {
if (nodes) {
for (var _i = 0; _i < nodes.length; _i++) {
var node = nodes[_i];
var result = cbNode(node);
if (result) {
return result;
}
}
}
}
function forEachChild(node, cbNode, cbNodeArray) {
if (!node) {
return;
}
var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode;
var cbNodes = cbNodeArray || cbNode;
switch (node.kind) {
case 126:
return visitNode(cbNode, node.left) || visitNode(cbNode, node.right);
case 128:
return visitNode(cbNode, node.name) || visitNode(cbNode, node.constraint) || visitNode(cbNode, node.expression);
case 129:
case 132:
case 131:
case 224:
case 225:
case 198:
case 152:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.propertyName) || visitNode(cbNode, node.dotDotDotToken) || visitNode(cbNode, node.name) || visitNode(cbNode, node.questionToken) || visitNode(cbNode, node.type) || visitNode(cbNode, node.initializer);
case 142:
case 143:
case 138:
case 139:
case 140:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNodes(cbNodes, node.typeParameters) || visitNodes(cbNodes, node.parameters) || visitNode(cbNode, node.type);
case 134:
case 133:
case 135:
case 136:
case 137:
case 162:
case 200:
case 163:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.asteriskToken) || visitNode(cbNode, node.name) || visitNode(cbNode, node.questionToken) || visitNodes(cbNodes, node.typeParameters) || visitNodes(cbNodes, node.parameters) || visitNode(cbNode, node.type) || visitNode(cbNode, node.equalsGreaterThanToken) || visitNode(cbNode, node.body);
case 141:
return visitNode(cbNode, node.typeName) || visitNodes(cbNodes, node.typeArguments);
case 144:
return visitNode(cbNode, node.exprName);
case 145:
return visitNodes(cbNodes, node.members);
case 146:
return visitNode(cbNode, node.elementType);
case 147:
return visitNodes(cbNodes, node.elementTypes);
case 148:
return visitNodes(cbNodes, node.types);
case 149:
return visitNode(cbNode, node.type);
case 150:
case 151:
return visitNodes(cbNodes, node.elements);
case 153:
return visitNodes(cbNodes, node.elements);
case 154:
return visitNodes(cbNodes, node.properties);
case 155:
return visitNode(cbNode, node.expression) || visitNode(cbNode, node.dotToken) || visitNode(cbNode, node.name);
case 156:
return visitNode(cbNode, node.expression) || visitNode(cbNode, node.argumentExpression);
case 157:
case 158:
return visitNode(cbNode, node.expression) || visitNodes(cbNodes, node.typeArguments) || visitNodes(cbNodes, node.arguments);
case 159:
return visitNode(cbNode, node.tag) || visitNode(cbNode, node.template);
case 160:
return visitNode(cbNode, node.type) || visitNode(cbNode, node.expression);
case 161:
return visitNode(cbNode, node.expression);
case 164:
return visitNode(cbNode, node.expression);
case 165:
return visitNode(cbNode, node.expression);
case 166:
return visitNode(cbNode, node.expression);
case 167:
return visitNode(cbNode, node.operand);
case 172:
return visitNode(cbNode, node.asteriskToken) || visitNode(cbNode, node.expression);
case 168:
return visitNode(cbNode, node.operand);
case 169:
return visitNode(cbNode, node.left) || visitNode(cbNode, node.operatorToken) || visitNode(cbNode, node.right);
case 170:
return visitNode(cbNode, node.condition) || visitNode(cbNode, node.questionToken) || visitNode(cbNode, node.whenTrue) || visitNode(cbNode, node.colonToken) || visitNode(cbNode, node.whenFalse);
case 173:
return visitNode(cbNode, node.expression);
case 179:
case 206:
return visitNodes(cbNodes, node.statements);
case 227:
return visitNodes(cbNodes, node.statements) || visitNode(cbNode, node.endOfFileToken);
case 180:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.declarationList);
case 199:
return visitNodes(cbNodes, node.declarations);
case 182:
return visitNode(cbNode, node.expression);
case 183:
return visitNode(cbNode, node.expression) || visitNode(cbNode, node.thenStatement) || visitNode(cbNode, node.elseStatement);
case 184:
return visitNode(cbNode, node.statement) || visitNode(cbNode, node.expression);
case 185:
return visitNode(cbNode, node.expression) || visitNode(cbNode, node.statement);
case 186:
return visitNode(cbNode, node.initializer) || visitNode(cbNode, node.condition) || visitNode(cbNode, node.iterator) || visitNode(cbNode, node.statement);
case 187:
return visitNode(cbNode, node.initializer) || visitNode(cbNode, node.expression) || visitNode(cbNode, node.statement);
case 188:
return visitNode(cbNode, node.initializer) || visitNode(cbNode, node.expression) || visitNode(cbNode, node.statement);
case 189:
case 190:
return visitNode(cbNode, node.label);
case 191:
return visitNode(cbNode, node.expression);
case 192:
return visitNode(cbNode, node.expression) || visitNode(cbNode, node.statement);
case 193:
return visitNode(cbNode, node.expression) || visitNode(cbNode, node.caseBlock);
case 207:
return visitNodes(cbNodes, node.clauses);
case 220:
return visitNode(cbNode, node.expression) || visitNodes(cbNodes, node.statements);
case 221:
return visitNodes(cbNodes, node.statements);
case 194:
return visitNode(cbNode, node.label) || visitNode(cbNode, node.statement);
case 195:
return visitNode(cbNode, node.expression);
case 196:
return visitNode(cbNode, node.tryBlock) || visitNode(cbNode, node.catchClause) || visitNode(cbNode, node.finallyBlock);
case 223:
return visitNode(cbNode, node.variableDeclaration) || visitNode(cbNode, node.block);
case 130:
return visitNode(cbNode, node.expression);
case 201:
case 174:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.name) || visitNodes(cbNodes, node.typeParameters) || visitNodes(cbNodes, node.heritageClauses) || visitNodes(cbNodes, node.members);
case 202:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.name) || visitNodes(cbNodes, node.typeParameters) || visitNodes(cbNodes, node.heritageClauses) || visitNodes(cbNodes, node.members);
case 203:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.name) || visitNode(cbNode, node.type);
case 204:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.name) || visitNodes(cbNodes, node.members);
case 226:
return visitNode(cbNode, node.name) || visitNode(cbNode, node.initializer);
case 205:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.name) || visitNode(cbNode, node.body);
case 208:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.name) || visitNode(cbNode, node.moduleReference);
case 209:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.importClause) || visitNode(cbNode, node.moduleSpecifier);
case 210:
return visitNode(cbNode, node.name) || visitNode(cbNode, node.namedBindings);
case 211:
return visitNode(cbNode, node.name);
case 212:
case 216:
return visitNodes(cbNodes, node.elements);
case 215:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.exportClause) || visitNode(cbNode, node.moduleSpecifier);
case 213:
case 217:
return visitNode(cbNode, node.propertyName) || visitNode(cbNode, node.name);
case 214:
return visitNodes(cbNodes, node.decorators) || visitNodes(cbNodes, node.modifiers) || visitNode(cbNode, node.expression) || visitNode(cbNode, node.type);
case 171:
return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans);
case 176:
return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal);
case 127:
return visitNode(cbNode, node.expression);
case 222:
return visitNodes(cbNodes, node.types);
case 177:
return visitNode(cbNode, node.expression) || visitNodes(cbNodes, node.typeArguments);
case 219:
return visitNode(cbNode, node.expression);
case 218:
return visitNodes(cbNodes, node.decorators);
}
}
ts.forEachChild = forEachChild;
function parsingContextErrors(context) {
switch (context) {
case 0:
return ts.Diagnostics.Declaration_or_statement_expected;
case 1:
return ts.Diagnostics.Declaration_or_statement_expected;
case 2:
return ts.Diagnostics.Statement_expected;
case 3:
return ts.Diagnostics.case_or_default_expected;
case 4:
return ts.Diagnostics.Statement_expected;
case 5:
return ts.Diagnostics.Property_or_signature_expected;
case 6:
return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected;
case 7:
return ts.Diagnostics.Enum_member_expected;
case 8:
return ts.Diagnostics.Expression_expected;
case 9:
return ts.Diagnostics.Variable_declaration_expected;
case 10:
return ts.Diagnostics.Property_destructuring_pattern_expected;
case 11:
return ts.Diagnostics.Array_element_destructuring_pattern_expected;
case 12:
return ts.Diagnostics.Argument_expression_expected;
case 13:
return ts.Diagnostics.Property_assignment_expected;
case 14:
return ts.Diagnostics.Expression_or_comma_expected;
case 15:
return ts.Diagnostics.Parameter_declaration_expected;
case 16:
return ts.Diagnostics.Type_parameter_declaration_expected;
case 17:
return ts.Diagnostics.Type_argument_expected;
case 18:
return ts.Diagnostics.Type_expected;
case 19:
return ts.Diagnostics.Unexpected_token_expected;
case 20:
return ts.Diagnostics.Identifier_expected;
}
}
;
function modifierToFlag(token) {
switch (token) {
case 110:
return 128;
case 109:
return 16;
case 108:
return 64;
case 107:
return 32;
case 78:
return 1;
case 115:
return 2;
case 70:
return 8192;
case 73:
return 256;
}
return 0;
}
ts.modifierToFlag = modifierToFlag;
function fixupParentReferences(sourceFile) {
// normally parent references are set during binding. However, for clients that only need
// a syntax tree, and no semantic features, then the binding process is an unnecessary
// overhead. This functions allows us to set all the parents, without all the expense of
// binding.
var parent = sourceFile;
forEachChild(sourceFile, visitNode);
return;
function visitNode(n) {
if (n.parent !== parent) {
n.parent = parent;
var saveParent = parent;
parent = n;
forEachChild(n, visitNode);
parent = saveParent;
}
}
}
function shouldCheckNode(node) {
switch (node.kind) {
case 8:
case 7:
case 65:
return true;
}
return false;
}
function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) {
if (isArray) {
visitArray(element);
}
else {
visitNode(element);
}
return;
function visitNode(node) {
if (aggressiveChecks && shouldCheckNode(node)) {
var text = oldText.substring(node.pos, node.end);
}
node._children = undefined;
node.pos += delta;
node.end += delta;
if (aggressiveChecks && shouldCheckNode(node)) {
ts.Debug.assert(text === newText.substring(node.pos, node.end));
}
forEachChild(node, visitNode, visitArray);
checkNodePositions(node, aggressiveChecks);
}
function visitArray(array) {
array._children = undefined;
array.pos += delta;
array.end += delta;
for (var _i = 0; _i < array.length; _i++) {
var node = array[_i];
visitNode(node);
}
}
}
function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) {
ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range");
ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range");
ts.Debug.assert(element.pos <= element.end);
element.pos = Math.min(element.pos, changeRangeNewEnd);
if (element.end >= changeRangeOldEnd) {
element.end += delta;
}
else {
element.end = Math.min(element.end, changeRangeNewEnd);
}
ts.Debug.assert(element.pos <= element.end);
if (element.parent) {
ts.Debug.assert(element.pos >= element.parent.pos);
ts.Debug.assert(element.end <= element.parent.end);
}
}
function checkNodePositions(node, aggressiveChecks) {
if (aggressiveChecks) {
var pos = node.pos;
forEachChild(node, function (child) {
ts.Debug.assert(child.pos >= pos);
pos = child.end;
});
ts.Debug.assert(pos <= node.end);
}
}
function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) {
visitNode(sourceFile);
return;
function visitNode(child) {
ts.Debug.assert(child.pos <= child.end);
if (child.pos > changeRangeOldEnd) {
moveElementEntirelyPastChangeRange(child, false, delta, oldText, newText, aggressiveChecks);
return;
}
var fullEnd = child.end;
if (fullEnd >= changeStart) {
child.intersectsChange = true;
child._children = undefined;
adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta);
forEachChild(child, visitNode, visitArray);
checkNodePositions(child, aggressiveChecks);
return;
}
ts.Debug.assert(fullEnd < changeStart);
}
function visitArray(array) {
ts.Debug.assert(array.pos <= array.end);
if (array.pos > changeRangeOldEnd) {
moveElementEntirelyPastChangeRange(array, true, delta, oldText, newText, aggressiveChecks);
return;
}
var fullEnd = array.end;
if (fullEnd >= changeStart) {
array.intersectsChange = true;
array._children = undefined;
adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta);
for (var _i = 0; _i < array.length; _i++) {
var node = array[_i];
visitNode(node);
}
return;
}
ts.Debug.assert(fullEnd < changeStart);
}
}
function extendToAffectedRange(sourceFile, changeRange) {
var maxLookahead = 1;
var start = changeRange.span.start;
for (var i = 0; start > 0 && i <= maxLookahead; i++) {
var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start);
ts.Debug.assert(nearestNode.pos <= start);
var position = nearestNode.pos;
start = Math.max(0, position - 1);
}
var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span));
var finalLength = changeRange.newLength + (changeRange.span.start - start);
return ts.createTextChangeRange(finalSpan, finalLength);
}
function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) {
var bestResult = sourceFile;
var lastNodeEntirelyBeforePosition;
forEachChild(sourceFile, visit);
if (lastNodeEntirelyBeforePosition) {
var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition);
if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) {
bestResult = lastChildOfLastEntireNodeBeforePosition;
}
}
return bestResult;
function getLastChild(node) {
while (true) {
var lastChild = getLastChildWorker(node);
if (lastChild) {
node = lastChild;
}
else {
return node;
}
}
}
function getLastChildWorker(node) {
var last = undefined;
forEachChild(node, function (child) {
if (ts.nodeIsPresent(child)) {
last = child;
}
});
return last;
}
function visit(child) {
if (ts.nodeIsMissing(child)) {
return;
}
if (child.pos <= position) {
if (child.pos >= bestResult.pos) {
bestResult = child;
}
if (position < child.end) {
forEachChild(child, visit);
return true;
}
else {
ts.Debug.assert(child.end <= position);
lastNodeEntirelyBeforePosition = child;
}
}
else {
ts.Debug.assert(child.pos > position);
return true;
}
}
}
function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) {
var oldText = sourceFile.text;
if (textChangeRange) {
ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length);
if (aggressiveChecks || ts.Debug.shouldAssert(3)) {
var oldTextPrefix = oldText.substr(0, textChangeRange.span.start);
var newTextPrefix = newText.substr(0, textChangeRange.span.start);
ts.Debug.assert(oldTextPrefix === newTextPrefix);
var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length);
var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length);
ts.Debug.assert(oldTextSuffix === newTextSuffix);
}
}
}
function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) {
aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2);
checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks);
if (ts.textChangeRangeIsUnchanged(textChangeRange)) {
return sourceFile;
}
if (sourceFile.statements.length === 0) {
return parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, undefined, true);
}
var incrementalSourceFile = sourceFile;
ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed);
incrementalSourceFile.hasBeenIncrementallyParsed = true;
var oldText = sourceFile.text;
var syntaxCursor = createSyntaxCursor(sourceFile);
var changeRange = extendToAffectedRange(sourceFile, textChangeRange);
checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks);
ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start);
ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span));
ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)));
var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length;
updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks);
var result = parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, true);
return result;
}
ts.updateSourceFile = updateSourceFile;
function isEvalOrArgumentsIdentifier(node) {
return node.kind === 65 && (node.text === "eval" || node.text === "arguments");
}
ts.isEvalOrArgumentsIdentifier = isEvalOrArgumentsIdentifier;
function isUseStrictPrologueDirective(sourceFile, node) {
ts.Debug.assert(ts.isPrologueDirective(node));
var nodeText = ts.getSourceTextOfNodeFromSourceFile(sourceFile, node.expression);
return nodeText === '"use strict"' || nodeText === "'use strict'";
}
function createSyntaxCursor(sourceFile) {
var currentArray = sourceFile.statements;
var currentArrayIndex = 0;
ts.Debug.assert(currentArrayIndex < currentArray.length);
var current = currentArray[currentArrayIndex];
var lastQueriedPosition = -1;
return {
currentNode: function (position) {
if (position !== lastQueriedPosition) {
if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) {
currentArrayIndex++;
current = currentArray[currentArrayIndex];
}
if (!current || current.pos !== position) {
findHighestListElementThatStartsAtPosition(position);
}
}
lastQueriedPosition = position;
ts.Debug.assert(!current || current.pos === position);
return current;
}
};
function findHighestListElementThatStartsAtPosition(position) {
currentArray = undefined;
currentArrayIndex = -1;
current = undefined;
forEachChild(sourceFile, visitNode, visitArray);
return;
function visitNode(node) {
if (position >= node.pos && position < node.end) {
forEachChild(node, visitNode, visitArray);
return true;
}
return false;
}
function visitArray(array) {
if (position >= array.pos && position < array.end) {
for (var i = 0, n = array.length; i < n; i++) {
var child = array[i];
if (child) {
if (child.pos === position) {
currentArray = array;
currentArrayIndex = i;
current = child;
return true;
}
else {
if (child.pos < position && position < child.end) {
forEachChild(child, visitNode, visitArray);
return true;
}
}
}
}
}
return false;
}
}
}
function createSourceFile(fileName, sourceText, languageVersion, setParentNodes) {
if (setParentNodes === void 0) { setParentNodes = false; }
var start = new Date().getTime();
var result = parseSourceFile(fileName, sourceText, languageVersion, undefined, setParentNodes);
ts.parseTime += new Date().getTime() - start;
return result;
}
ts.createSourceFile = createSourceFile;
function parseSourceFile(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes) {
if (setParentNodes === void 0) { setParentNodes = false; }
var disallowInAndDecoratorContext = 2 | 16;
var parsingContext = 0;
var identifiers = {};
var identifierCount = 0;
var nodeCount = 0;
var token;
var sourceFile = createNode(227, 0);
sourceFile.pos = 0;
sourceFile.end = sourceText.length;
sourceFile.text = sourceText;
sourceFile.parseDiagnostics = [];
sourceFile.bindDiagnostics = [];
sourceFile.languageVersion = languageVersion;
sourceFile.fileName = ts.normalizePath(fileName);
sourceFile.flags = ts.fileExtensionIs(sourceFile.fileName, ".d.ts") ? 2048 : 0;
var contextFlags = 0;
var parseErrorBeforeNextFinishedNode = false;
var scanner = ts.createScanner(languageVersion, true, sourceText, scanError);
token = nextToken();
processReferenceComments(sourceFile);
sourceFile.statements = parseList(0, true, parseSourceElement);
ts.Debug.assert(token === 1);
sourceFile.endOfFileToken = parseTokenNode();
setExternalModuleIndicator(sourceFile);
sourceFile.nodeCount = nodeCount;
sourceFile.identifierCount = identifierCount;
sourceFile.identifiers = identifiers;
if (setParentNodes) {
fixupParentReferences(sourceFile);
}
syntaxCursor = undefined;
return sourceFile;
function setContextFlag(val, flag) {
if (val) {
contextFlags |= flag;
}
else {
contextFlags &= ~flag;
}
}
function setStrictModeContext(val) {
setContextFlag(val, 1);
}
function setDisallowInContext(val) {
setContextFlag(val, 2);
}
function setYieldContext(val) {
setContextFlag(val, 4);
}
function setGeneratorParameterContext(val) {
setContextFlag(val, 8);
}
function setDecoratorContext(val) {
setContextFlag(val, 16);
}
function doOutsideOfContext(flags, func) {
var currentContextFlags = contextFlags & flags;
if (currentContextFlags) {
setContextFlag(false, currentContextFlags);
var result = func();
setContextFlag(true, currentContextFlags);
return result;
}
return func();
}
function allowInAnd(func) {
if (contextFlags & 2) {
setDisallowInContext(false);
var result = func();
setDisallowInContext(true);
return result;
}
return func();
}
function disallowInAnd(func) {
if (contextFlags & 2) {
return func();
}
setDisallowInContext(true);
var result = func();
setDisallowInContext(false);
return result;
}
function doInYieldContext(func) {
if (contextFlags & 4) {
return func();
}
setYieldContext(true);
var result = func();
setYieldContext(false);
return result;
}
function doOutsideOfYieldContext(func) {
if (contextFlags & 4) {
setYieldContext(false);
var result = func();
setYieldContext(true);
return result;
}
return func();
}
function doInDecoratorContext(func) {
if (contextFlags & 16) {
return func();
}
setDecoratorContext(true);
var result = func();
setDecoratorContext(false);
return result;
}
function inYieldContext() {
return (contextFlags & 4) !== 0;
}
function inStrictModeContext() {
return (contextFlags & 1) !== 0;
}
function inGeneratorParameterContext() {
return (contextFlags & 8) !== 0;
}
function inDisallowInContext() {
return (contextFlags & 2) !== 0;
}
function inDecoratorContext() {
return (contextFlags & 16) !== 0;
}
function parseErrorAtCurrentToken(message, arg0) {
var start = scanner.getTokenPos();
var length = scanner.getTextPos() - start;
parseErrorAtPosition(start, length, message, arg0);
}
function parseErrorAtPosition(start, length, message, arg0) {
var lastError = ts.lastOrUndefined(sourceFile.parseDiagnostics);
if (!lastError || start !== lastError.start) {
sourceFile.parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0));
}
parseErrorBeforeNextFinishedNode = true;
}
function scanError(message, length) {
var pos = scanner.getTextPos();
parseErrorAtPosition(pos, length || 0, message);
}
function getNodePos() {
return scanner.getStartPos();
}
function getNodeEnd() {
return scanner.getStartPos();
}
function nextToken() {
return token = scanner.scan();
}
function getTokenPos(pos) {
return ts.skipTrivia(sourceText, pos);
}
function reScanGreaterToken() {
return token = scanner.reScanGreaterToken();
}
function reScanSlashToken() {
return token = scanner.reScanSlashToken();
}
function reScanTemplateToken() {
return token = scanner.reScanTemplateToken();
}
function speculationHelper(callback, isLookAhead) {
var saveToken = token;
var saveParseDiagnosticsLength = sourceFile.parseDiagnostics.length;
var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode;
var saveContextFlags = contextFlags;
var result = isLookAhead ? scanner.lookAhead(callback) : scanner.tryScan(callback);
ts.Debug.assert(saveContextFlags === contextFlags);
if (!result || isLookAhead) {
token = saveToken;
sourceFile.parseDiagnostics.length = saveParseDiagnosticsLength;
parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode;
}
return result;
}
function lookAhead(callback) {
return speculationHelper(callback, true);
}
function tryParse(callback) {
return speculationHelper(callback, false);
}
function isIdentifier() {
if (token === 65) {
return true;
}
if (token === 111 && inYieldContext()) {
return false;
}
return inStrictModeContext() ? token > 111 : token > 101;
}
function parseExpected(kind, diagnosticMessage) {
if (token === kind) {
nextToken();
return true;
}
if (diagnosticMessage) {
parseErrorAtCurrentToken(diagnosticMessage);
}
else {
parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind));
}
return false;
}
function parseOptional(t) {
if (token === t) {
nextToken();
return true;
}
return false;
}
function parseOptionalToken(t) {
if (token === t) {
return parseTokenNode();
}
return undefined;
}
function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) {
return parseOptionalToken(t) || createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0);
}
function parseTokenNode() {
var node = createNode(token);
nextToken();
return finishNode(node);
}
function canParseSemicolon() {
if (token === 22) {
return true;
}
return token === 15 || token === 1 || scanner.hasPrecedingLineBreak();
}
function parseSemicolon() {
if (canParseSemicolon()) {
if (token === 22) {
nextToken();
}
return true;
}
else {
return parseExpected(22);
}
}
function createNode(kind, pos) {
nodeCount++;
var node = new (nodeConstructors[kind] || (nodeConstructors[kind] = ts.objectAllocator.getNodeConstructor(kind)))();
if (!(pos >= 0)) {
pos = scanner.getStartPos();
}
node.pos = pos;
node.end = pos;
return node;
}
function finishNode(node) {
node.end = scanner.getStartPos();
if (contextFlags) {
node.parserContextFlags = contextFlags;
}
if (parseErrorBeforeNextFinishedNode) {
parseErrorBeforeNextFinishedNode = false;
node.parserContextFlags |= 32;
}
return node;
}
function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) {
if (reportAtCurrentPosition) {
parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0);
}
else {
parseErrorAtCurrentToken(diagnosticMessage, arg0);
}
var result = createNode(kind, scanner.getStartPos());
result.text = "";
return finishNode(result);
}
function internIdentifier(text) {
text = ts.escapeIdentifier(text);
return ts.hasProperty(identifiers, text) ? identifiers[text] : (identifiers[text] = text);
}
function createIdentifier(isIdentifier, diagnosticMessage) {
identifierCount++;
if (isIdentifier) {
var node = createNode(65);
node.text = internIdentifier(scanner.getTokenValue());
nextToken();
return finishNode(node);
}
return createMissingNode(65, false, diagnosticMessage || ts.Diagnostics.Identifier_expected);
}
function parseIdentifier(diagnosticMessage) {
return createIdentifier(isIdentifier(), diagnosticMessage);
}
function parseIdentifierName() {
return createIdentifier(isIdentifierOrKeyword());
}
function isLiteralPropertyName() {
return isIdentifierOrKeyword() || token === 8 || token === 7;
}
function parsePropertyName() {
if (token === 8 || token === 7) {
return parseLiteralNode(true);
}
if (token === 18) {
return parseComputedPropertyName();
}
return parseIdentifierName();
}
function parseComputedPropertyName() {
var node = createNode(127);
parseExpected(18);
var yieldContext = inYieldContext();
if (inGeneratorParameterContext()) {
setYieldContext(false);
}
node.expression = allowInAnd(parseExpression);
if (inGeneratorParameterContext()) {
setYieldContext(yieldContext);
}
parseExpected(19);
return finishNode(node);
}
function parseContextualModifier(t) {
return token === t && tryParse(nextTokenCanFollowModifier);
}
function nextTokenCanFollowModifier() {
nextToken();
return canFollowModifier();
}
function parseAnyContextualModifier() {
return ts.isModifier(token) && tryParse(nextTokenCanFollowContextualModifier);
}
function nextTokenCanFollowContextualModifier() {
if (token === 70) {
return nextToken() === 77;
}
if (token === 78) {
nextToken();
if (token === 73) {
return lookAhead(nextTokenIsClassOrFunction);
}
return token !== 35 && token !== 14 && canFollowModifier();
}
if (token === 73) {
return nextTokenIsClassOrFunction();
}
nextToken();
return canFollowModifier();
}
function canFollowModifier() {
return token === 18 || token === 14 || token === 35 || isLiteralPropertyName();
}
function nextTokenIsClassOrFunction() {
nextToken();
return token === 69 || token === 83;
}
function isListElement(parsingContext, inErrorRecovery) {
var node = currentNode(parsingContext);
if (node) {
return true;
}
switch (parsingContext) {
case 0:
case 1:
return isSourceElement(inErrorRecovery);
case 2:
case 4:
return isStartOfStatement(inErrorRecovery);
case 3:
return token === 67 || token === 73;
case 5:
return isStartOfTypeMember();
case 6:
return lookAhead(isClassMemberStart) || (token === 22 && !inErrorRecovery);
case 7:
return token === 18 || isLiteralPropertyName();
case 13:
return token === 18 || token === 35 || isLiteralPropertyName();
case 10:
return isLiteralPropertyName();
case 8:
if (token === 14) {
return lookAhead(isValidHeritageClauseObjectLiteral);
}
if (!inErrorRecovery) {
return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword();
}
else {
return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword();
}
case 9:
return isIdentifierOrPattern();
case 11:
return token === 23 || token === 21 || isIdentifierOrPattern();
case 16:
return isIdentifier();
case 12:
case 14:
return token === 23 || token === 21 || isStartOfExpression();
case 15:
return isStartOfParameter();
case 17:
case 18:
return token === 23 || isStartOfType();
case 19:
return isHeritageClause();
case 20:
return isIdentifierOrKeyword();
}
ts.Debug.fail("Non-exhaustive case in 'isListElement'.");
}
function isValidHeritageClauseObjectLiteral() {
ts.Debug.assert(token === 14);
if (nextToken() === 15) {
var next = nextToken();
return next === 23 || next === 14 || next === 79 || next === 103;
}
return true;
}
function nextTokenIsIdentifier() {
nextToken();
return isIdentifier();
}
function isHeritageClauseExtendsOrImplementsKeyword() {
if (token === 103 || token === 79) {
return lookAhead(nextTokenIsStartOfExpression);
}
return false;
}
function nextTokenIsStartOfExpression() {
nextToken();
return isStartOfExpression();
}
function isListTerminator(kind) {
if (token === 1) {
return true;
}
switch (kind) {
case 1:
case 2:
case 3:
case 5:
case 6:
case 7:
case 13:
case 10:
case 20:
return token === 15;
case 4:
return token === 15 || token === 67 || token === 73;
case 8:
return token === 14 || token === 79 || token === 103;
case 9:
return isVariableDeclaratorListTerminator();
case 16:
return token === 25 || token === 16 || token === 14 || token === 79 || token === 103;
case 12:
return token === 17 || token === 22;
case 14:
case 18:
case 11:
return token === 19;
case 15:
return token === 17 || token === 19;
case 17:
return token === 25 || token === 16;
case 19:
return token === 14 || token === 15;
}
}
function isVariableDeclaratorListTerminator() {
if (canParseSemicolon()) {
return true;
}
if (isInOrOfKeyword(token)) {
return true;
}
if (token === 32) {
return true;
}
return false;
}
function isInSomeParsingContext() {
for (var kind = 0; kind < 21; kind++) {
if (parsingContext & (1 << kind)) {
if (isListElement(kind, true) || isListTerminator(kind)) {
return true;
}
}
}
return false;
}
function parseList(kind, checkForStrictMode, parseElement) {
var saveParsingContext = parsingContext;
parsingContext |= 1 << kind;
var result = [];
result.pos = getNodePos();
var savedStrictModeContext = inStrictModeContext();
while (!isListTerminator(kind)) {
if (isListElement(kind, false)) {
var element = parseListElement(kind, parseElement);
result.push(element);
if (checkForStrictMode && !inStrictModeContext()) {
if (ts.isPrologueDirective(element)) {
if (isUseStrictPrologueDirective(sourceFile, element)) {
setStrictModeContext(true);
checkForStrictMode = false;
}
}
else {
checkForStrictMode = false;
}
}
continue;
}
if (abortParsingListOrMoveToNextToken(kind)) {
break;
}
}
setStrictModeContext(savedStrictModeContext);
result.end = getNodeEnd();
parsingContext = saveParsingContext;
return result;
}
function parseListElement(parsingContext, parseElement) {
var node = currentNode(parsingContext);
if (node) {
return consumeNode(node);
}
return parseElement();
}
function currentNode(parsingContext) {
if (parseErrorBeforeNextFinishedNode) {
return undefined;
}
if (!syntaxCursor) {
return undefined;
}
var node = syntaxCursor.currentNode(scanner.getStartPos());
if (ts.nodeIsMissing(node)) {
return undefined;
}
if (node.intersectsChange) {
return undefined;
}
if (ts.containsParseError(node)) {
return undefined;
}
var nodeContextFlags = node.parserContextFlags & 63;
if (nodeContextFlags !== contextFlags) {
return undefined;
}
if (!canReuseNode(node, parsingContext)) {
return undefined;
}
return node;
}
function consumeNode(node) {
scanner.setTextPos(node.end);
nextToken();
return node;
}
function canReuseNode(node, parsingContext) {
switch (parsingContext) {
case 1:
return isReusableModuleElement(node);
case 6:
return isReusableClassMember(node);
case 3:
return isReusableSwitchClause(node);
case 2:
case 4:
return isReusableStatement(node);
case 7:
return isReusableEnumMember(node);
case 5:
return isReusableTypeMember(node);
case 9:
return isReusableVariableDeclaration(node);
case 15:
return isReusableParameter(node);
case 19:
case 16:
case 18:
case 17:
case 12:
case 13:
case 8:
}
return false;
}
function isReusableModuleElement(node) {
if (node) {
switch (node.kind) {
case 209:
case 208:
case 215:
case 214:
case 201:
case 202:
case 205:
case 204:
return true;
}
return isReusableStatement(node);
}
return false;
}
function isReusableClassMember(node) {
if (node) {
switch (node.kind) {
case 135:
case 140:
case 134:
case 136:
case 137:
case 132:
case 178:
return true;
}
}
return false;
}
function isReusableSwitchClause(node) {
if (node) {
switch (node.kind) {
case 220:
case 221:
return true;
}
}
return false;
}
function isReusableStatement(node) {
if (node) {
switch (node.kind) {
case 200:
case 180:
case 179:
case 183:
case 182:
case 195:
case 191:
case 193:
case 190:
case 189:
case 187:
case 188:
case 186:
case 185:
case 192:
case 181:
case 196:
case 194:
case 184:
case 197:
return true;
}
}
return false;
}
function isReusableEnumMember(node) {
return node.kind === 226;
}
function isReusableTypeMember(node) {
if (node) {
switch (node.kind) {
case 139:
case 133:
case 140:
case 131:
case 138:
return true;
}
}
return false;
}
function isReusableVariableDeclaration(node) {
if (node.kind !== 198) {
return false;
}
var variableDeclarator = node;
return variableDeclarator.initializer === undefined;
}
function isReusableParameter(node) {
if (node.kind !== 129) {
return false;
}
var parameter = node;
return parameter.initializer === undefined;
}
function abortParsingListOrMoveToNextToken(kind) {
parseErrorAtCurrentToken(parsingContextErrors(kind));
if (isInSomeParsingContext()) {
return true;
}
nextToken();
return false;
}
function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimeter) {
var saveParsingContext = parsingContext;
parsingContext |= 1 << kind;
var result = [];
result.pos = getNodePos();
var commaStart = -1;
while (true) {
if (isListElement(kind, false)) {
result.push(parseListElement(kind, parseElement));
commaStart = scanner.getTokenPos();
if (parseOptional(23)) {
continue;
}
commaStart = -1;
if (isListTerminator(kind)) {
break;
}
parseExpected(23);
if (considerSemicolonAsDelimeter && token === 22 && !scanner.hasPrecedingLineBreak()) {
nextToken();
}
continue;
}
if (isListTerminator(kind)) {
break;
}
if (abortParsingListOrMoveToNextToken(kind)) {
break;
}
}
if (commaStart >= 0) {
result.hasTrailingComma = true;
}
result.end = getNodeEnd();
parsingContext = saveParsingContext;
return result;
}
function createMissingList() {
var pos = getNodePos();
var result = [];
result.pos = pos;
result.end = pos;
return result;
}
function parseBracketedList(kind, parseElement, open, close) {
if (parseExpected(open)) {
var result = parseDelimitedList(kind, parseElement);
parseExpected(close);
return result;
}
return createMissingList();
}
function parseEntityName(allowReservedWords, diagnosticMessage) {
var entity = parseIdentifier(diagnosticMessage);
while (parseOptional(20)) {
var node = createNode(126, entity.pos);
node.left = entity;
node.right = parseRightSideOfDot(allowReservedWords);
entity = finishNode(node);
}
return entity;
}
function parseRightSideOfDot(allowIdentifierNames) {
if (scanner.hasPrecedingLineBreak() && scanner.isReservedWord()) {
var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine);
if (matchesPattern) {
return createMissingNode(65, true, ts.Diagnostics.Identifier_expected);
}
}
return allowIdentifierNames ? parseIdentifierName() : parseIdentifier();
}
function parseTemplateExpression() {
var template = createNode(171);
template.head = parseLiteralNode();
ts.Debug.assert(template.head.kind === 11, "Template head has wrong token kind");
var templateSpans = [];
templateSpans.pos = getNodePos();
do {
templateSpans.push(parseTemplateSpan());
} while (templateSpans[templateSpans.length - 1].literal.kind === 12);
templateSpans.end = getNodeEnd();
template.templateSpans = templateSpans;
return finishNode(template);
}
function parseTemplateSpan() {
var span = createNode(176);
span.expression = allowInAnd(parseExpression);
var literal;
if (token === 15) {
reScanTemplateToken();
literal = parseLiteralNode();
}
else {
literal = parseExpectedToken(13, false, ts.Diagnostics._0_expected, ts.tokenToString(15));
}
span.literal = literal;
return finishNode(span);
}
function parseLiteralNode(internName) {
var node = createNode(token);
var text = scanner.getTokenValue();
node.text = internName ? internIdentifier(text) : text;
if (scanner.hasExtendedUnicodeEscape()) {
node.hasExtendedUnicodeEscape = true;
}
if (scanner.isUnterminated()) {
node.isUnterminated = true;
}
var tokenPos = scanner.getTokenPos();
nextToken();
finishNode(node);
if (node.kind === 7 && sourceText.charCodeAt(tokenPos) === 48 && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) {
node.flags |= 16384;
}
return node;
}
function parseTypeReference() {
var node = createNode(141);
node.typeName = parseEntityName(false, ts.Diagnostics.Type_expected);
if (!scanner.hasPrecedingLineBreak() && token === 24) {
node.typeArguments = parseBracketedList(17, parseType, 24, 25);
}
return finishNode(node);
}
function parseTypeQuery() {
var node = createNode(144);
parseExpected(97);
node.exprName = parseEntityName(true);
return finishNode(node);
}
function parseTypeParameter() {
var node = createNode(128);
node.name = parseIdentifier();
if (parseOptional(79)) {
if (isStartOfType() || !isStartOfExpression()) {
node.constraint = parseType();
}
else {
node.expression = parseUnaryExpressionOrHigher();
}
}
return finishNode(node);
}
function parseTypeParameters() {
if (token === 24) {
return parseBracketedList(16, parseTypeParameter, 24, 25);
}
}
function parseParameterType() {
if (parseOptional(51)) {
return token === 8 ? parseLiteralNode(true) : parseType();
}
return undefined;
}
function isStartOfParameter() {
return token === 21 || isIdentifierOrPattern() || ts.isModifier(token) || token === 52;
}
function setModifiers(node, modifiers) {
if (modifiers) {
node.flags |= modifiers.flags;
node.modifiers = modifiers;
}
}
function parseParameter() {
var node = createNode(129);
node.decorators = parseDecorators();
setModifiers(node, parseModifiers());
node.dotDotDotToken = parseOptionalToken(21);
node.name = inGeneratorParameterContext() ? doInYieldContext(parseIdentifierOrPattern) : parseIdentifierOrPattern();
if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifier(token)) {
nextToken();
}
node.questionToken = parseOptionalToken(50);
node.type = parseParameterType();
node.initializer = inGeneratorParameterContext() ? doOutsideOfYieldContext(parseParameterInitializer) : parseParameterInitializer();
return finishNode(node);
}
function parseParameterInitializer() {
return parseInitializer(true);
}
function fillSignature(returnToken, yieldAndGeneratorParameterContext, requireCompleteParameterList, signature) {
var returnTokenRequired = returnToken === 32;
signature.typeParameters = parseTypeParameters();
signature.parameters = parseParameterList(yieldAndGeneratorParameterContext, requireCompleteParameterList);
if (returnTokenRequired) {
parseExpected(returnToken);
signature.type = parseType();
}
else if (parseOptional(returnToken)) {
signature.type = parseType();
}
}
function parseParameterList(yieldAndGeneratorParameterContext, requireCompleteParameterList) {
if (parseExpected(16)) {
var savedYieldContext = inYieldContext();
var savedGeneratorParameterContext = inGeneratorParameterContext();
setYieldContext(yieldAndGeneratorParameterContext);
setGeneratorParameterContext(yieldAndGeneratorParameterContext);
var result = parseDelimitedList(15, parseParameter);
setYieldContext(savedYieldContext);
setGeneratorParameterContext(savedGeneratorParameterContext);
if (!parseExpected(17) && requireCompleteParameterList) {
return undefined;
}
return result;
}
return requireCompleteParameterList ? undefined : createMissingList();
}
function parseTypeMemberSemicolon() {
if (parseOptional(23)) {
return;
}
parseSemicolon();
}
function parseSignatureMember(kind) {
var node = createNode(kind);
if (kind === 139) {
parseExpected(88);
}
fillSignature(51, false, false, node);
parseTypeMemberSemicolon();
return finishNode(node);
}
function isIndexSignature() {
if (token !== 18) {
return false;
}
return lookAhead(isUnambiguouslyIndexSignature);
}
function isUnambiguouslyIndexSignature() {
nextToken();
if (token === 21 || token === 19) {
return true;
}
if (ts.isModifier(token)) {
nextToken();
if (isIdentifier()) {
return true;
}
}
else if (!isIdentifier()) {
return false;
}
else {
nextToken();
}
if (token === 51 || token === 23) {
return true;
}
if (token !== 50) {
return false;
}
nextToken();
return token === 51 || token === 23 || token === 19;
}
function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) {
var node = createNode(140, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
node.parameters = parseBracketedList(15, parseParameter, 18, 19);
node.type = parseTypeAnnotation();
parseTypeMemberSemicolon();
return finishNode(node);
}
function parsePropertyOrMethodSignature() {
var fullStart = scanner.getStartPos();
var name = parsePropertyName();
var questionToken = parseOptionalToken(50);
if (token === 16 || token === 24) {
var method = createNode(133, fullStart);
method.name = name;
method.questionToken = questionToken;
fillSignature(51, false, false, method);
parseTypeMemberSemicolon();
return finishNode(method);
}
else {
var property = createNode(131, fullStart);
property.name = name;
property.questionToken = questionToken;
property.type = parseTypeAnnotation();
parseTypeMemberSemicolon();
return finishNode(property);
}
}
function isStartOfTypeMember() {
switch (token) {
case 16:
case 24:
case 18:
return true;
default:
if (ts.isModifier(token)) {
var result = lookAhead(isStartOfIndexSignatureDeclaration);
if (result) {
return result;
}
}
return isLiteralPropertyName() && lookAhead(isTypeMemberWithLiteralPropertyName);
}
}
function isStartOfIndexSignatureDeclaration() {
while (ts.isModifier(token)) {
nextToken();
}
return isIndexSignature();
}
function isTypeMemberWithLiteralPropertyName() {
nextToken();
return token === 16 || token === 24 || token === 50 || token === 51 || canParseSemicolon();
}
function parseTypeMember() {
switch (token) {
case 16:
case 24:
return parseSignatureMember(138);
case 18:
return isIndexSignature() ? parseIndexSignatureDeclaration(scanner.getStartPos(), undefined, undefined) : parsePropertyOrMethodSignature();
case 88:
if (lookAhead(isStartOfConstructSignature)) {
return parseSignatureMember(139);
}
case 8:
case 7:
return parsePropertyOrMethodSignature();
default:
if (ts.isModifier(token)) {
var result = tryParse(parseIndexSignatureWithModifiers);
if (result) {
return result;
}
}
if (isIdentifierOrKeyword()) {
return parsePropertyOrMethodSignature();
}
}
}
function parseIndexSignatureWithModifiers() {
var fullStart = scanner.getStartPos();
var decorators = parseDecorators();
var modifiers = parseModifiers();
return isIndexSignature() ? parseIndexSignatureDeclaration(fullStart, decorators, modifiers) : undefined;
}
function isStartOfConstructSignature() {
nextToken();
return token === 16 || token === 24;
}
function parseTypeLiteral() {
var node = createNode(145);
node.members = parseObjectTypeMembers();
return finishNode(node);
}
function parseObjectTypeMembers() {
var members;
if (parseExpected(14)) {
members = parseList(5, false, parseTypeMember);
parseExpected(15);
}
else {
members = createMissingList();
}
return members;
}
function parseTupleType() {
var node = createNode(147);
node.elementTypes = parseBracketedList(18, parseType, 18, 19);
return finishNode(node);
}
function parseParenthesizedType() {
var node = createNode(149);
parseExpected(16);
node.type = parseType();
parseExpected(17);
return finishNode(node);
}
function parseFunctionOrConstructorType(kind) {
var node = createNode(kind);
if (kind === 143) {
parseExpected(88);
}
fillSignature(32, false, false, node);
return finishNode(node);
}
function parseKeywordAndNoDot() {
var node = parseTokenNode();
return token === 20 ? undefined : node;
}
function parseNonArrayType() {
switch (token) {
case 112:
case 121:
case 119:
case 113:
case 122:
var node = tryParse(parseKeywordAndNoDot);
return node || parseTypeReference();
case 99:
return parseTokenNode();
case 97:
return parseTypeQuery();
case 14:
return parseTypeLiteral();
case 18:
return parseTupleType();
case 16:
return parseParenthesizedType();
default:
return parseTypeReference();
}
}
function isStartOfType() {
switch (token) {
case 112:
case 121:
case 119:
case 113:
case 122:
case 99:
case 97:
case 14:
case 18:
case 24:
case 88:
return true;
case 16:
return lookAhead(isStartOfParenthesizedOrFunctionType);
default:
return isIdentifier();
}
}
function isStartOfParenthesizedOrFunctionType() {
nextToken();
return token === 17 || isStartOfParameter() || isStartOfType();
}
function parseArrayTypeOrHigher() {
var type = parseNonArrayType();
while (!scanner.hasPrecedingLineBreak() && parseOptional(18)) {
parseExpected(19);
var node = createNode(146, type.pos);
node.elementType = type;
type = finishNode(node);
}
return type;
}
function parseUnionTypeOrHigher() {
var type = parseArrayTypeOrHigher();
if (token === 44) {
var types = [
type
];
types.pos = type.pos;
while (parseOptional(44)) {
types.push(parseArrayTypeOrHigher());
}
types.end = getNodeEnd();
var node = createNode(148, type.pos);
node.types = types;
type = finishNode(node);
}
return type;
}
function isStartOfFunctionType() {
if (token === 24) {
return true;
}
return token === 16 && lookAhead(isUnambiguouslyStartOfFunctionType);
}
function isUnambiguouslyStartOfFunctionType() {
nextToken();
if (token === 17 || token === 21) {
return true;
}
if (isIdentifier() || ts.isModifier(token)) {
nextToken();
if (token === 51 || token === 23 || token === 50 || token === 53 || isIdentifier() || ts.isModifier(token)) {
return true;
}
if (token === 17) {
nextToken();
if (token === 32) {
return true;
}
}
}
return false;
}
function parseType() {
var savedYieldContext = inYieldContext();
var savedGeneratorParameterContext = inGeneratorParameterContext();
setYieldContext(false);
setGeneratorParameterContext(false);
var result = parseTypeWorker();
setYieldContext(savedYieldContext);
setGeneratorParameterContext(savedGeneratorParameterContext);
return result;
}
function parseTypeWorker() {
if (isStartOfFunctionType()) {
return parseFunctionOrConstructorType(142);
}
if (token === 88) {
return parseFunctionOrConstructorType(143);
}
return parseUnionTypeOrHigher();
}
function parseTypeAnnotation() {
return parseOptional(51) ? parseType() : undefined;
}
function isStartOfLeftHandSideExpression() {
switch (token) {
case 93:
case 91:
case 89:
case 95:
case 80:
case 7:
case 8:
case 10:
case 11:
case 16:
case 18:
case 14:
case 83:
case 69:
case 88:
case 36:
case 57:
case 65:
return true;
default:
return isIdentifier();
}
}
function isStartOfExpression() {
if (isStartOfLeftHandSideExpression()) {
return true;
}
switch (token) {
case 33:
case 34:
case 47:
case 46:
case 74:
case 97:
case 99:
case 38:
case 39:
case 24:
case 111:
return true;
default:
if (isBinaryOperator()) {
return true;
}
return isIdentifier();
}
}
function isStartOfExpressionStatement() {
return token !== 14 && token !== 83 && token !== 69 && token !== 52 && isStartOfExpression();
}
function parseExpression() {
// Expression[in]:
// AssignmentExpression[in]
// Expression[in] , AssignmentExpression[in]
var saveDecoratorContext = inDecoratorContext();
if (saveDecoratorContext) {
setDecoratorContext(false);
}
var expr = parseAssignmentExpressionOrHigher();
var operatorToken;
while ((operatorToken = parseOptionalToken(23))) {
expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher());
}
if (saveDecoratorContext) {
setDecoratorContext(true);
}
return expr;
}
function parseInitializer(inParameter) {
if (token !== 53) {
if (scanner.hasPrecedingLineBreak() || (inParameter && token === 14) || !isStartOfExpression()) {
return undefined;
}
}
parseExpected(53);
return parseAssignmentExpressionOrHigher();
}
function parseAssignmentExpressionOrHigher() {
// AssignmentExpression[in,yield]:
// 1) ConditionalExpression[?in,?yield]
// 2) LeftHandSideExpression = AssignmentExpression[?in,?yield]
// 3) LeftHandSideExpression AssignmentOperator AssignmentExpression[?in,?yield]
// 4) ArrowFunctionExpression[?in,?yield]
// 5) [+Yield] YieldExpression[?In]
//
// Note: for ease of implementation we treat productions '2' and '3' as the same thing.
// (i.e. they're both BinaryExpressions with an assignment operator in it).
if (isYieldExpression()) {
return parseYieldExpression();
}
var arrowExpression = tryParseParenthesizedArrowFunctionExpression();
if (arrowExpression) {
return arrowExpression;
}
var expr = parseBinaryExpressionOrHigher(0);
if (expr.kind === 65 && token === 32) {
return parseSimpleArrowFunctionExpression(expr);
}
if (isLeftHandSideExpression(expr) && isAssignmentOperator(reScanGreaterToken())) {
return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher());
}
return parseConditionalExpressionRest(expr);
}
function isYieldExpression() {
if (token === 111) {
if (inYieldContext()) {
return true;
}
if (inStrictModeContext()) {
return true;
}
return lookAhead(nextTokenIsIdentifierOnSameLine);
}
return false;
}
function nextTokenIsIdentifierOnSameLine() {
nextToken();
return !scanner.hasPrecedingLineBreak() && isIdentifier();
}
function nextTokenIsIdentifierOrStartOfDestructuringOnTheSameLine() {
nextToken();
return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token === 14 || token === 18);
}
function parseYieldExpression() {
var node = createNode(172);
nextToken();
if (!scanner.hasPrecedingLineBreak() && (token === 35 || isStartOfExpression())) {
node.asteriskToken = parseOptionalToken(35);
node.expression = parseAssignmentExpressionOrHigher();
return finishNode(node);
}
else {
return finishNode(node);
}
}
function parseSimpleArrowFunctionExpression(identifier) {
ts.Debug.assert(token === 32, "parseSimpleArrowFunctionExpression should only have been called if we had a =>");
var node = createNode(163, identifier.pos);
var parameter = createNode(129, identifier.pos);
parameter.name = identifier;
finishNode(parameter);
node.parameters = [
parameter
];
node.parameters.pos = parameter.pos;
node.parameters.end = parameter.end;
node.equalsGreaterThanToken = parseExpectedToken(32, false, ts.Diagnostics._0_expected, "=>");
node.body = parseArrowFunctionExpressionBody();
return finishNode(node);
}
function tryParseParenthesizedArrowFunctionExpression() {
var triState = isParenthesizedArrowFunctionExpression();
if (triState === 0) {
return undefined;
}
var arrowFunction = triState === 1 ? parseParenthesizedArrowFunctionExpressionHead(true) : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead);
if (!arrowFunction) {
return undefined;
}
var lastToken = token;
arrowFunction.equalsGreaterThanToken = parseExpectedToken(32, false, ts.Diagnostics._0_expected, "=>");
arrowFunction.body = (lastToken === 32 || lastToken === 14) ? parseArrowFunctionExpressionBody() : parseIdentifier();
return finishNode(arrowFunction);
}
function isParenthesizedArrowFunctionExpression() {
if (token === 16 || token === 24) {
return lookAhead(isParenthesizedArrowFunctionExpressionWorker);
}
if (token === 32) {
return 1;
}
return 0;
}
function isParenthesizedArrowFunctionExpressionWorker() {
var first = token;
var second = nextToken();
if (first === 16) {
if (second === 17) {
var third = nextToken();
switch (third) {
case 32:
case 51:
case 14:
return 1;
default:
return 0;
}
}
if (second === 21) {
return 1;
}
if (!isIdentifier()) {
return 0;
}
if (nextToken() === 51) {
return 1;
}
return 2;
}
else {
ts.Debug.assert(first === 24);
if (!isIdentifier()) {
return 0;
}
return 2;
}
}
function parsePossibleParenthesizedArrowFunctionExpressionHead() {
return parseParenthesizedArrowFunctionExpressionHead(false);
}
function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) {
var node = createNode(163);
fillSignature(51, false, !allowAmbiguity, node);
if (!node.parameters) {
return undefined;
}
if (!allowAmbiguity && token !== 32 && token !== 14) {
return undefined;
}
return node;
}
function parseArrowFunctionExpressionBody() {
if (token === 14) {
return parseFunctionBlock(false, false);
}
if (isStartOfStatement(true) && !isStartOfExpressionStatement() && token !== 83 && token !== 69) {
return parseFunctionBlock(false, true);
}
return parseAssignmentExpressionOrHigher();
}
function parseConditionalExpressionRest(leftOperand) {
var questionToken = parseOptionalToken(50);
if (!questionToken) {
return leftOperand;
}
var node = createNode(170, leftOperand.pos);
node.condition = leftOperand;
node.questionToken = questionToken;
node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher);
node.colonToken = parseExpectedToken(51, false, ts.Diagnostics._0_expected, ts.tokenToString(51));
node.whenFalse = parseAssignmentExpressionOrHigher();
return finishNode(node);
}
function parseBinaryExpressionOrHigher(precedence) {
var leftOperand = parseUnaryExpressionOrHigher();
return parseBinaryExpressionRest(precedence, leftOperand);
}
function isInOrOfKeyword(t) {
return t === 86 || t === 125;
}
function parseBinaryExpressionRest(precedence, leftOperand) {
while (true) {
reScanGreaterToken();
var newPrecedence = getBinaryOperatorPrecedence();
if (newPrecedence <= precedence) {
break;
}
if (token === 86 && inDisallowInContext()) {
break;
}
leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence));
}
return leftOperand;
}
function isBinaryOperator() {
if (inDisallowInContext() && token === 86) {
return false;
}
return getBinaryOperatorPrecedence() > 0;
}
function getBinaryOperatorPrecedence() {
switch (token) {
case 49:
return 1;
case 48:
return 2;
case 44:
return 3;
case 45:
return 4;
case 43:
return 5;
case 28:
case 29:
case 30:
case 31:
return 6;
case 24:
case 25:
case 26:
case 27:
case 87:
case 86:
return 7;
case 40:
case 41:
case 42:
return 8;
case 33:
case 34:
return 9;
case 35:
case 36:
case 37:
return 10;
}
return -1;
}
function makeBinaryExpression(left, operatorToken, right) {
var node = createNode(169, left.pos);
node.left = left;
node.operatorToken = operatorToken;
node.right = right;
return finishNode(node);
}
function parsePrefixUnaryExpression() {
var node = createNode(167);
node.operator = token;
nextToken();
node.operand = parseUnaryExpressionOrHigher();
return finishNode(node);
}
function parseDeleteExpression() {
var node = createNode(164);
nextToken();
node.expression = parseUnaryExpressionOrHigher();
return finishNode(node);
}
function parseTypeOfExpression() {
var node = createNode(165);
nextToken();
node.expression = parseUnaryExpressionOrHigher();
return finishNode(node);
}
function parseVoidExpression() {
var node = createNode(166);
nextToken();
node.expression = parseUnaryExpressionOrHigher();
return finishNode(node);
}
function parseUnaryExpressionOrHigher() {
switch (token) {
case 33:
case 34:
case 47:
case 46:
case 38:
case 39:
return parsePrefixUnaryExpression();
case 74:
return parseDeleteExpression();
case 97:
return parseTypeOfExpression();
case 99:
return parseVoidExpression();
case 24:
return parseTypeAssertion();
default:
return parsePostfixExpressionOrHigher();
}
}
function parsePostfixExpressionOrHigher() {
var expression = parseLeftHandSideExpressionOrHigher();
ts.Debug.assert(isLeftHandSideExpression(expression));
if ((token === 38 || token === 39) && !scanner.hasPrecedingLineBreak()) {
var node = createNode(168, expression.pos);
node.operand = expression;
node.operator = token;
nextToken();
return finishNode(node);
}
return expression;
}
function parseLeftHandSideExpressionOrHigher() {
var expression = token === 91 ? parseSuperExpression() : parseMemberExpressionOrHigher();
return parseCallExpressionRest(expression);
}
function parseMemberExpressionOrHigher() {
var expression = parsePrimaryExpression();
return parseMemberExpressionRest(expression);
}
function parseSuperExpression() {
var expression = parseTokenNode();
if (token === 16 || token === 20) {
return expression;
}
var node = createNode(155, expression.pos);
node.expression = expression;
node.dotToken = parseExpectedToken(20, false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access);
node.name = parseRightSideOfDot(true);
return finishNode(node);
}
function parseTypeAssertion() {
var node = createNode(160);
parseExpected(24);
node.type = parseType();
parseExpected(25);
node.expression = parseUnaryExpressionOrHigher();
return finishNode(node);
}
function parseMemberExpressionRest(expression) {
while (true) {
var dotToken = parseOptionalToken(20);
if (dotToken) {
var propertyAccess = createNode(155, expression.pos);
propertyAccess.expression = expression;
propertyAccess.dotToken = dotToken;
propertyAccess.name = parseRightSideOfDot(true);
expression = finishNode(propertyAccess);
continue;
}
if (!inDecoratorContext() && parseOptional(18)) {
var indexedAccess = createNode(156, expression.pos);
indexedAccess.expression = expression;
if (token !== 19) {
indexedAccess.argumentExpression = allowInAnd(parseExpression);
if (indexedAccess.argumentExpression.kind === 8 || indexedAccess.argumentExpression.kind === 7) {
var literal = indexedAccess.argumentExpression;
literal.text = internIdentifier(literal.text);
}
}
parseExpected(19);
expression = finishNode(indexedAccess);
continue;
}
if (token === 10 || token === 11) {
var tagExpression = createNode(159, expression.pos);
tagExpression.tag = expression;
tagExpression.template = token === 10 ? parseLiteralNode() : parseTemplateExpression();
expression = finishNode(tagExpression);
continue;
}
return expression;
}
}
function parseCallExpressionRest(expression) {
while (true) {
expression = parseMemberExpressionRest(expression);
if (token === 24) {
var typeArguments = tryParse(parseTypeArgumentsInExpression);
if (!typeArguments) {
return expression;
}
var callExpr = createNode(157, expression.pos);
callExpr.expression = expression;
callExpr.typeArguments = typeArguments;
callExpr.arguments = parseArgumentList();
expression = finishNode(callExpr);
continue;
}
else if (token === 16) {
var callExpr = createNode(157, expression.pos);
callExpr.expression = expression;
callExpr.arguments = parseArgumentList();
expression = finishNode(callExpr);
continue;
}
return expression;
}
}
function parseArgumentList() {
parseExpected(16);
var result = parseDelimitedList(12, parseArgumentExpression);
parseExpected(17);
return result;
}
function parseTypeArgumentsInExpression() {
if (!parseOptional(24)) {
return undefined;
}
var typeArguments = parseDelimitedList(17, parseType);
if (!parseExpected(25)) {
return undefined;
}
return typeArguments && canFollowTypeArgumentsInExpression() ? typeArguments : undefined;
}
function canFollowTypeArgumentsInExpression() {
switch (token) {
case 16:
case 20:
case 17:
case 19:
case 51:
case 22:
case 50:
case 28:
case 30:
case 29:
case 31:
case 48:
case 49:
case 45:
case 43:
case 44:
case 15:
case 1:
return true;
case 23:
case 14:
default:
return false;
}
}
function parsePrimaryExpression() {
switch (token) {
case 7:
case 8:
case 10:
return parseLiteralNode();
case 93:
case 91:
case 89:
case 95:
case 80:
return parseTokenNode();
case 16:
return parseParenthesizedExpression();
case 18:
return parseArrayLiteralExpression();
case 14:
return parseObjectLiteralExpression();
case 69:
return parseClassExpression();
case 83:
return parseFunctionExpression();
case 88:
return parseNewExpression();
case 36:
case 57:
if (reScanSlashToken() === 9) {
return parseLiteralNode();
}
break;
case 11:
return parseTemplateExpression();
}
return parseIdentifier(ts.Diagnostics.Expression_expected);
}
function parseParenthesizedExpression() {
var node = createNode(161);
parseExpected(16);
node.expression = allowInAnd(parseExpression);
parseExpected(17);
return finishNode(node);
}
function parseSpreadElement() {
var node = createNode(173);
parseExpected(21);
node.expression = parseAssignmentExpressionOrHigher();
return finishNode(node);
}
function parseArgumentOrArrayLiteralElement() {
return token === 21 ? parseSpreadElement() : token === 23 ? createNode(175) : parseAssignmentExpressionOrHigher();
}
function parseArgumentExpression() {
return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement);
}
function parseArrayLiteralExpression() {
var node = createNode(153);
parseExpected(18);
if (scanner.hasPrecedingLineBreak())
node.flags |= 512;
node.elements = parseDelimitedList(14, parseArgumentOrArrayLiteralElement);
parseExpected(19);
return finishNode(node);
}
function tryParseAccessorDeclaration(fullStart, decorators, modifiers) {
if (parseContextualModifier(116)) {
return parseAccessorDeclaration(136, fullStart, decorators, modifiers);
}
else if (parseContextualModifier(120)) {
return parseAccessorDeclaration(137, fullStart, decorators, modifiers);
}
return undefined;
}
function parseObjectLiteralElement() {
var fullStart = scanner.getStartPos();
var decorators = parseDecorators();
var modifiers = parseModifiers();
var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers);
if (accessor) {
return accessor;
}
var asteriskToken = parseOptionalToken(35);
var tokenIsIdentifier = isIdentifier();
var nameToken = token;
var propertyName = parsePropertyName();
var questionToken = parseOptionalToken(50);
if (asteriskToken || token === 16 || token === 24) {
return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken);
}
if ((token === 23 || token === 15) && tokenIsIdentifier) {
var shorthandDeclaration = createNode(225, fullStart);
shorthandDeclaration.name = propertyName;
shorthandDeclaration.questionToken = questionToken;
return finishNode(shorthandDeclaration);
}
else {
var propertyAssignment = createNode(224, fullStart);
propertyAssignment.name = propertyName;
propertyAssignment.questionToken = questionToken;
parseExpected(51);
propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher);
return finishNode(propertyAssignment);
}
}
function parseObjectLiteralExpression() {
var node = createNode(154);
parseExpected(14);
if (scanner.hasPrecedingLineBreak()) {
node.flags |= 512;
}
node.properties = parseDelimitedList(13, parseObjectLiteralElement, true);
parseExpected(15);
return finishNode(node);
}
function parseFunctionExpression() {
var saveDecoratorContext = inDecoratorContext();
if (saveDecoratorContext) {
setDecoratorContext(false);
}
var node = createNode(162);
parseExpected(83);
node.asteriskToken = parseOptionalToken(35);
node.name = node.asteriskToken ? doInYieldContext(parseOptionalIdentifier) : parseOptionalIdentifier();
fillSignature(51, !!node.asteriskToken, false, node);
node.body = parseFunctionBlock(!!node.asteriskToken, false);
if (saveDecoratorContext) {
setDecoratorContext(true);
}
return finishNode(node);
}
function parseOptionalIdentifier() {
return isIdentifier() ? parseIdentifier() : undefined;
}
function parseNewExpression() {
var node = createNode(158);
parseExpected(88);
node.expression = parseMemberExpressionOrHigher();
node.typeArguments = tryParse(parseTypeArgumentsInExpression);
if (node.typeArguments || token === 16) {
node.arguments = parseArgumentList();
}
return finishNode(node);
}
function parseBlock(ignoreMissingOpenBrace, checkForStrictMode, diagnosticMessage) {
var node = createNode(179);
if (parseExpected(14, diagnosticMessage) || ignoreMissingOpenBrace) {
node.statements = parseList(2, checkForStrictMode, parseStatement);
parseExpected(15);
}
else {
node.statements = createMissingList();
}
return finishNode(node);
}
function parseFunctionBlock(allowYield, ignoreMissingOpenBrace, diagnosticMessage) {
var savedYieldContext = inYieldContext();
setYieldContext(allowYield);
var saveDecoratorContext = inDecoratorContext();
if (saveDecoratorContext) {
setDecoratorContext(false);
}
var block = parseBlock(ignoreMissingOpenBrace, true, diagnosticMessage);
if (saveDecoratorContext) {
setDecoratorContext(true);
}
setYieldContext(savedYieldContext);
return block;
}
function parseEmptyStatement() {
var node = createNode(181);
parseExpected(22);
return finishNode(node);
}
function parseIfStatement() {
var node = createNode(183);
parseExpected(84);
parseExpected(16);
node.expression = allowInAnd(parseExpression);
parseExpected(17);
node.thenStatement = parseStatement();
node.elseStatement = parseOptional(76) ? parseStatement() : undefined;
return finishNode(node);
}
function parseDoStatement() {
var node = createNode(184);
parseExpected(75);
node.statement = parseStatement();
parseExpected(100);
parseExpected(16);
node.expression = allowInAnd(parseExpression);
parseExpected(17);
parseOptional(22);
return finishNode(node);
}
function parseWhileStatement() {
var node = createNode(185);
parseExpected(100);
parseExpected(16);
node.expression = allowInAnd(parseExpression);
parseExpected(17);
node.statement = parseStatement();
return finishNode(node);
}
function parseForOrForInOrForOfStatement() {
var pos = getNodePos();
parseExpected(82);
parseExpected(16);
var initializer = undefined;
if (token !== 22) {
if (token === 98 || token === 105 || token === 70) {
initializer = parseVariableDeclarationList(true);
}
else {
initializer = disallowInAnd(parseExpression);
}
}
var forOrForInOrForOfStatement;
if (parseOptional(86)) {
var forInStatement = createNode(187, pos);
forInStatement.initializer = initializer;
forInStatement.expression = allowInAnd(parseExpression);
parseExpected(17);
forOrForInOrForOfStatement = forInStatement;
}
else if (parseOptional(125)) {
var forOfStatement = createNode(188, pos);
forOfStatement.initializer = initializer;
forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher);
parseExpected(17);
forOrForInOrForOfStatement = forOfStatement;
}
else {
var forStatement = createNode(186, pos);
forStatement.initializer = initializer;
parseExpected(22);
if (token !== 22 && token !== 17) {
forStatement.condition = allowInAnd(parseExpression);
}
parseExpected(22);
if (token !== 17) {
forStatement.iterator = allowInAnd(parseExpression);
}
parseExpected(17);
forOrForInOrForOfStatement = forStatement;
}
forOrForInOrForOfStatement.statement = parseStatement();
return finishNode(forOrForInOrForOfStatement);
}
function parseBreakOrContinueStatement(kind) {
var node = createNode(kind);
parseExpected(kind === 190 ? 66 : 71);
if (!canParseSemicolon()) {
node.label = parseIdentifier();
}
parseSemicolon();
return finishNode(node);
}
function parseReturnStatement() {
var node = createNode(191);
parseExpected(90);
if (!canParseSemicolon()) {
node.expression = allowInAnd(parseExpression);
}
parseSemicolon();
return finishNode(node);
}
function parseWithStatement() {
var node = createNode(192);
parseExpected(101);
parseExpected(16);
node.expression = allowInAnd(parseExpression);
parseExpected(17);
node.statement = parseStatement();
return finishNode(node);
}
function parseCaseClause() {
var node = createNode(220);
parseExpected(67);
node.expression = allowInAnd(parseExpression);
parseExpected(51);
node.statements = parseList(4, false, parseStatement);
return finishNode(node);
}
function parseDefaultClause() {
var node = createNode(221);
parseExpected(73);
parseExpected(51);
node.statements = parseList(4, false, parseStatement);
return finishNode(node);
}
function parseCaseOrDefaultClause() {
return token === 67 ? parseCaseClause() : parseDefaultClause();
}
function parseSwitchStatement() {
var node = createNode(193);
parseExpected(92);
parseExpected(16);
node.expression = allowInAnd(parseExpression);
parseExpected(17);
var caseBlock = createNode(207, scanner.getStartPos());
parseExpected(14);
caseBlock.clauses = parseList(3, false, parseCaseOrDefaultClause);
parseExpected(15);
node.caseBlock = finishNode(caseBlock);
return finishNode(node);
}
function parseThrowStatement() {
// ThrowStatement[Yield] :
// throw [no LineTerminator here]Expression[In, ?Yield];
var node = createNode(195);
parseExpected(94);
node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression);
parseSemicolon();
return finishNode(node);
}
function parseTryStatement() {
var node = createNode(196);
parseExpected(96);
node.tryBlock = parseBlock(false, false);
node.catchClause = token === 68 ? parseCatchClause() : undefined;
if (!node.catchClause || token === 81) {
parseExpected(81);
node.finallyBlock = parseBlock(false, false);
}
return finishNode(node);
}
function parseCatchClause() {
var result = createNode(223);
parseExpected(68);
if (parseExpected(16)) {
result.variableDeclaration = parseVariableDeclaration();
}
parseExpected(17);
result.block = parseBlock(false, false);
return finishNode(result);
}
function parseDebuggerStatement() {
var node = createNode(197);
parseExpected(72);
parseSemicolon();
return finishNode(node);
}
function parseExpressionOrLabeledStatement() {
var fullStart = scanner.getStartPos();
var expression = allowInAnd(parseExpression);
if (expression.kind === 65 && parseOptional(51)) {
var labeledStatement = createNode(194, fullStart);
labeledStatement.label = expression;
labeledStatement.statement = parseStatement();
return finishNode(labeledStatement);
}
else {
var expressionStatement = createNode(182, fullStart);
expressionStatement.expression = expression;
parseSemicolon();
return finishNode(expressionStatement);
}
}
function isStartOfStatement(inErrorRecovery) {
if (ts.isModifier(token)) {
var result = lookAhead(parseVariableStatementOrFunctionDeclarationOrClassDeclarationWithDecoratorsOrModifiers);
if (result) {
return true;
}
}
switch (token) {
case 22:
return !inErrorRecovery;
case 14:
case 98:
case 105:
case 83:
case 69:
case 84:
case 75:
case 100:
case 82:
case 71:
case 66:
case 90:
case 101:
case 92:
case 94:
case 96:
case 72:
case 68:
case 81:
return true;
case 70:
var isConstEnum = lookAhead(nextTokenIsEnumKeyword);
return !isConstEnum;
case 104:
case 117:
case 77:
case 123:
if (isDeclarationStart()) {
return false;
}
case 109:
case 107:
case 108:
case 110:
if (lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine)) {
return false;
}
default:
return isStartOfExpression();
}
}
function nextTokenIsEnumKeyword() {
nextToken();
return token === 77;
}
function nextTokenIsIdentifierOrKeywordOnSameLine() {
nextToken();
return isIdentifierOrKeyword() && !scanner.hasPrecedingLineBreak();
}
function parseStatement() {
switch (token) {
case 14:
return parseBlock(false, false);
case 98:
case 70:
return parseVariableStatement(scanner.getStartPos(), undefined, undefined);
case 83:
return parseFunctionDeclaration(scanner.getStartPos(), undefined, undefined);
case 69:
return parseClassDeclaration(scanner.getStartPos(), undefined, undefined);
case 22:
return parseEmptyStatement();
case 84:
return parseIfStatement();
case 75:
return parseDoStatement();
case 100:
return parseWhileStatement();
case 82:
return parseForOrForInOrForOfStatement();
case 71:
return parseBreakOrContinueStatement(189);
case 66:
return parseBreakOrContinueStatement(190);
case 90:
return parseReturnStatement();
case 101:
return parseWithStatement();
case 92:
return parseSwitchStatement();
case 94:
return parseThrowStatement();
case 96:
case 68:
case 81:
return parseTryStatement();
case 72:
return parseDebuggerStatement();
case 105:
if (isLetDeclaration()) {
return parseVariableStatement(scanner.getStartPos(), undefined, undefined);
}
default:
if (ts.isModifier(token) || token === 52) {
var result = tryParse(parseVariableStatementOrFunctionDeclarationOrClassDeclarationWithDecoratorsOrModifiers);
if (result) {
return result;
}
}
return parseExpressionOrLabeledStatement();
}
}
function parseVariableStatementOrFunctionDeclarationOrClassDeclarationWithDecoratorsOrModifiers() {
var start = scanner.getStartPos();
var decorators = parseDecorators();
var modifiers = parseModifiers();
switch (token) {
case 70:
var nextTokenIsEnum = lookAhead(nextTokenIsEnumKeyword);
if (nextTokenIsEnum) {
return undefined;
}
return parseVariableStatement(start, decorators, modifiers);
case 105:
if (!isLetDeclaration()) {
return undefined;
}
return parseVariableStatement(start, decorators, modifiers);
case 98:
return parseVariableStatement(start, decorators, modifiers);
case 83:
return parseFunctionDeclaration(start, decorators, modifiers);
case 69:
return parseClassDeclaration(start, decorators, modifiers);
}
return undefined;
}
function parseFunctionBlockOrSemicolon(isGenerator, diagnosticMessage) {
if (token !== 14 && canParseSemicolon()) {
parseSemicolon();
return;
}
return parseFunctionBlock(isGenerator, false, diagnosticMessage);
}
function parseArrayBindingElement() {
if (token === 23) {
return createNode(175);
}
var node = createNode(152);
node.dotDotDotToken = parseOptionalToken(21);
node.name = parseIdentifierOrPattern();
node.initializer = parseInitializer(false);
return finishNode(node);
}
function parseObjectBindingElement() {
var node = createNode(152);
var id = parsePropertyName();
if (id.kind === 65 && token !== 51) {
node.name = id;
}
else {
parseExpected(51);
node.propertyName = id;
node.name = parseIdentifierOrPattern();
}
node.initializer = parseInitializer(false);
return finishNode(node);
}
function parseObjectBindingPattern() {
var node = createNode(150);
parseExpected(14);
node.elements = parseDelimitedList(10, parseObjectBindingElement);
parseExpected(15);
return finishNode(node);
}
function parseArrayBindingPattern() {
var node = createNode(151);
parseExpected(18);
node.elements = parseDelimitedList(11, parseArrayBindingElement);
parseExpected(19);
return finishNode(node);
}
function isIdentifierOrPattern() {
return token === 14 || token === 18 || isIdentifier();
}
function parseIdentifierOrPattern() {
if (token === 18) {
return parseArrayBindingPattern();
}
if (token === 14) {
return parseObjectBindingPattern();
}
return parseIdentifier();
}
function parseVariableDeclaration() {
var node = createNode(198);
node.name = parseIdentifierOrPattern();
node.type = parseTypeAnnotation();
if (!isInOrOfKeyword(token)) {
node.initializer = parseInitializer(false);
}
return finishNode(node);
}
function parseVariableDeclarationList(inForStatementInitializer) {
var node = createNode(199);
switch (token) {
case 98:
break;
case 105:
node.flags |= 4096;
break;
case 70:
node.flags |= 8192;
break;
default:
ts.Debug.fail();
}
nextToken();
if (token === 125 && lookAhead(canFollowContextualOfKeyword)) {
node.declarations = createMissingList();
}
else {
var savedDisallowIn = inDisallowInContext();
setDisallowInContext(inForStatementInitializer);
node.declarations = parseDelimitedList(9, parseVariableDeclaration);
setDisallowInContext(savedDisallowIn);
}
return finishNode(node);
}
function canFollowContextualOfKeyword() {
return nextTokenIsIdentifier() && nextToken() === 17;
}
function parseVariableStatement(fullStart, decorators, modifiers) {
var node = createNode(180, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
node.declarationList = parseVariableDeclarationList(false);
parseSemicolon();
return finishNode(node);
}
function parseFunctionDeclaration(fullStart, decorators, modifiers) {
var node = createNode(200, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(83);
node.asteriskToken = parseOptionalToken(35);
node.name = node.flags & 256 ? parseOptionalIdentifier() : parseIdentifier();
fillSignature(51, !!node.asteriskToken, false, node);
node.body = parseFunctionBlockOrSemicolon(!!node.asteriskToken, ts.Diagnostics.or_expected);
return finishNode(node);
}
function parseConstructorDeclaration(pos, decorators, modifiers) {
var node = createNode(135, pos);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(114);
fillSignature(51, false, false, node);
node.body = parseFunctionBlockOrSemicolon(false, ts.Diagnostics.or_expected);
return finishNode(node);
}
function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) {
var method = createNode(134, fullStart);
method.decorators = decorators;
setModifiers(method, modifiers);
method.asteriskToken = asteriskToken;
method.name = name;
method.questionToken = questionToken;
fillSignature(51, !!asteriskToken, false, method);
method.body = parseFunctionBlockOrSemicolon(!!asteriskToken, diagnosticMessage);
return finishNode(method);
}
function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) {
var property = createNode(132, fullStart);
property.decorators = decorators;
setModifiers(property, modifiers);
property.name = name;
property.questionToken = questionToken;
property.type = parseTypeAnnotation();
property.initializer = allowInAnd(parseNonParameterInitializer);
parseSemicolon();
return finishNode(property);
}
function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) {
var asteriskToken = parseOptionalToken(35);
var name = parsePropertyName();
var questionToken = parseOptionalToken(50);
if (asteriskToken || token === 16 || token === 24) {
return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected);
}
else {
return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken);
}
}
function parseNonParameterInitializer() {
return parseInitializer(false);
}
function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) {
var node = createNode(kind, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
node.name = parsePropertyName();
fillSignature(51, false, false, node);
node.body = parseFunctionBlockOrSemicolon(false);
return finishNode(node);
}
function isClassMemberStart() {
var idToken;
if (token === 52) {
return true;
}
while (ts.isModifier(token)) {
idToken = token;
nextToken();
}
if (token === 35) {
return true;
}
if (isLiteralPropertyName()) {
idToken = token;
nextToken();
}
if (token === 18) {
return true;
}
if (idToken !== undefined) {
if (!ts.isKeyword(idToken) || idToken === 120 || idToken === 116) {
return true;
}
switch (token) {
case 16:
case 24:
case 51:
case 53:
case 50:
return true;
default:
return canParseSemicolon();
}
}
return false;
}
function parseDecorators() {
var decorators;
while (true) {
var decoratorStart = getNodePos();
if (!parseOptional(52)) {
break;
}
if (!decorators) {
decorators = [];
decorators.pos = scanner.getStartPos();
}
var decorator = createNode(130, decoratorStart);
decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher);
decorators.push(finishNode(decorator));
}
if (decorators) {
decorators.end = getNodeEnd();
}
return decorators;
}
function parseModifiers() {
var flags = 0;
var modifiers;
while (true) {
var modifierStart = scanner.getStartPos();
var modifierKind = token;
if (!parseAnyContextualModifier()) {
break;
}
if (!modifiers) {
modifiers = [];
modifiers.pos = modifierStart;
}
flags |= modifierToFlag(modifierKind);
modifiers.push(finishNode(createNode(modifierKind, modifierStart)));
}
if (modifiers) {
modifiers.flags = flags;
modifiers.end = scanner.getStartPos();
}
return modifiers;
}
function parseClassElement() {
if (token === 22) {
var result = createNode(178);
nextToken();
return finishNode(result);
}
var fullStart = getNodePos();
var decorators = parseDecorators();
var modifiers = parseModifiers();
var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers);
if (accessor) {
return accessor;
}
if (token === 114) {
return parseConstructorDeclaration(fullStart, decorators, modifiers);
}
if (isIndexSignature()) {
return parseIndexSignatureDeclaration(fullStart, decorators, modifiers);
}
if (isIdentifierOrKeyword() || token === 8 || token === 7 || token === 35 || token === 18) {
return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers);
}
if (decorators) {
var name_3 = createMissingNode(65, true, ts.Diagnostics.Declaration_expected);
return parsePropertyDeclaration(fullStart, decorators, modifiers, name_3, undefined);
}
ts.Debug.fail("Should not have attempted to parse class member declaration.");
}
function parseClassExpression() {
return parseClassDeclarationOrExpression(scanner.getStartPos(), undefined, undefined, 174);
}
function parseClassDeclaration(fullStart, decorators, modifiers) {
return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 201);
}
function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) {
var savedStrictModeContext = inStrictModeContext();
if (languageVersion >= 2) {
setStrictModeContext(true);
}
var node = createNode(kind, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(69);
node.name = node.flags & 256 ? parseOptionalIdentifier() : parseIdentifier();
node.typeParameters = parseTypeParameters();
node.heritageClauses = parseHeritageClauses(true);
if (parseExpected(14)) {
node.members = inGeneratorParameterContext() ? doOutsideOfYieldContext(parseClassMembers) : parseClassMembers();
parseExpected(15);
}
else {
node.members = createMissingList();
}
var finishedNode = finishNode(node);
setStrictModeContext(savedStrictModeContext);
return finishedNode;
}
function parseHeritageClauses(isClassHeritageClause) {
// ClassTail[Yield,GeneratorParameter] : See 14.5
// [~GeneratorParameter]ClassHeritage[?Yield]opt { ClassBody[?Yield]opt }
// [+GeneratorParameter] ClassHeritageopt { ClassBodyopt }
if (isHeritageClause()) {
return isClassHeritageClause && inGeneratorParameterContext() ? doOutsideOfYieldContext(parseHeritageClausesWorker) : parseHeritageClausesWorker();
}
return undefined;
}
function parseHeritageClausesWorker() {
return parseList(19, false, parseHeritageClause);
}
function parseHeritageClause() {
if (token === 79 || token === 103) {
var node = createNode(222);
node.token = token;
nextToken();
node.types = parseDelimitedList(8, parseHeritageClauseElement);
return finishNode(node);
}
return undefined;
}
function parseHeritageClauseElement() {
var node = createNode(177);
node.expression = parseLeftHandSideExpressionOrHigher();
if (token === 24) {
node.typeArguments = parseBracketedList(17, parseType, 24, 25);
}
return finishNode(node);
}
function isHeritageClause() {
return token === 79 || token === 103;
}
function parseClassMembers() {
return parseList(6, false, parseClassElement);
}
function parseInterfaceDeclaration(fullStart, decorators, modifiers) {
var node = createNode(202, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(104);
node.name = parseIdentifier();
node.typeParameters = parseTypeParameters();
node.heritageClauses = parseHeritageClauses(false);
node.members = parseObjectTypeMembers();
return finishNode(node);
}
function parseTypeAliasDeclaration(fullStart, decorators, modifiers) {
var node = createNode(203, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(123);
node.name = parseIdentifier();
parseExpected(53);
node.type = parseType();
parseSemicolon();
return finishNode(node);
}
function parseEnumMember() {
var node = createNode(226, scanner.getStartPos());
node.name = parsePropertyName();
node.initializer = allowInAnd(parseNonParameterInitializer);
return finishNode(node);
}
function parseEnumDeclaration(fullStart, decorators, modifiers) {
var node = createNode(204, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(77);
node.name = parseIdentifier();
if (parseExpected(14)) {
node.members = parseDelimitedList(7, parseEnumMember);
parseExpected(15);
}
else {
node.members = createMissingList();
}
return finishNode(node);
}
function parseModuleBlock() {
var node = createNode(206, scanner.getStartPos());
if (parseExpected(14)) {
node.statements = parseList(1, false, parseModuleElement);
parseExpected(15);
}
else {
node.statements = createMissingList();
}
return finishNode(node);
}
function parseInternalModuleTail(fullStart, decorators, modifiers, flags) {
var node = createNode(205, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
node.flags |= flags;
node.name = parseIdentifier();
node.body = parseOptional(20) ? parseInternalModuleTail(getNodePos(), undefined, undefined, 1) : parseModuleBlock();
return finishNode(node);
}
function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) {
var node = createNode(205, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
node.name = parseLiteralNode(true);
node.body = parseModuleBlock();
return finishNode(node);
}
function parseModuleDeclaration(fullStart, decorators, modifiers) {
parseExpected(117);
return token === 8 ? parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) : parseInternalModuleTail(fullStart, decorators, modifiers, modifiers ? modifiers.flags : 0);
}
function isExternalModuleReference() {
return token === 118 && lookAhead(nextTokenIsOpenParen);
}
function nextTokenIsOpenParen() {
return nextToken() === 16;
}
function nextTokenIsCommaOrFromKeyword() {
nextToken();
return token === 23 || token === 124;
}
function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) {
parseExpected(85);
var afterImportPos = scanner.getStartPos();
var identifier;
if (isIdentifier()) {
identifier = parseIdentifier();
if (token !== 23 && token !== 124) {
var importEqualsDeclaration = createNode(208, fullStart);
importEqualsDeclaration.decorators = decorators;
setModifiers(importEqualsDeclaration, modifiers);
importEqualsDeclaration.name = identifier;
parseExpected(53);
importEqualsDeclaration.moduleReference = parseModuleReference();
parseSemicolon();
return finishNode(importEqualsDeclaration);
}
}
var importDeclaration = createNode(209, fullStart);
importDeclaration.decorators = decorators;
setModifiers(importDeclaration, modifiers);
if (identifier || token === 35 || token === 14) {
importDeclaration.importClause = parseImportClause(identifier, afterImportPos);
parseExpected(124);
}
importDeclaration.moduleSpecifier = parseModuleSpecifier();
parseSemicolon();
return finishNode(importDeclaration);
}
function parseImportClause(identifier, fullStart) {
//ImportClause:
// ImportedDefaultBinding
// NameSpaceImport
// NamedImports
// ImportedDefaultBinding, NameSpaceImport
// ImportedDefaultBinding, NamedImports
var importClause = createNode(210, fullStart);
if (identifier) {
importClause.name = identifier;
}
if (!importClause.name || parseOptional(23)) {
importClause.namedBindings = token === 35 ? parseNamespaceImport() : parseNamedImportsOrExports(212);
}
return finishNode(importClause);
}
function parseModuleReference() {
return isExternalModuleReference() ? parseExternalModuleReference() : parseEntityName(false);
}
function parseExternalModuleReference() {
var node = createNode(219);
parseExpected(118);
parseExpected(16);
node.expression = parseModuleSpecifier();
parseExpected(17);
return finishNode(node);
}
function parseModuleSpecifier() {
var result = parseExpression();
if (result.kind === 8) {
internIdentifier(result.text);
}
return result;
}
function parseNamespaceImport() {
var namespaceImport = createNode(211);
parseExpected(35);
parseExpected(102);
namespaceImport.name = parseIdentifier();
return finishNode(namespaceImport);
}
function parseNamedImportsOrExports(kind) {
var node = createNode(kind);
node.elements = parseBracketedList(20, kind === 212 ? parseImportSpecifier : parseExportSpecifier, 14, 15);
return finishNode(node);
}
function parseExportSpecifier() {
return parseImportOrExportSpecifier(217);
}
function parseImportSpecifier() {
return parseImportOrExportSpecifier(213);
}
function parseImportOrExportSpecifier(kind) {
var node = createNode(kind);
var checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier();
var checkIdentifierStart = scanner.getTokenPos();
var checkIdentifierEnd = scanner.getTextPos();
var identifierName = parseIdentifierName();
if (token === 102) {
node.propertyName = identifierName;
parseExpected(102);
checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier();
checkIdentifierStart = scanner.getTokenPos();
checkIdentifierEnd = scanner.getTextPos();
node.name = parseIdentifierName();
}
else {
node.name = identifierName;
}
if (kind === 213 && checkIdentifierIsKeyword) {
parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected);
}
return finishNode(node);
}
function parseExportDeclaration(fullStart, decorators, modifiers) {
var node = createNode(215, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
if (parseOptional(35)) {
parseExpected(124);
node.moduleSpecifier = parseModuleSpecifier();
}
else {
node.exportClause = parseNamedImportsOrExports(216);
if (parseOptional(124)) {
node.moduleSpecifier = parseModuleSpecifier();
}
}
parseSemicolon();
return finishNode(node);
}
function parseExportAssignment(fullStart, decorators, modifiers) {
var node = createNode(214, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
if (parseOptional(53)) {
node.isExportEquals = true;
node.expression = parseAssignmentExpressionOrHigher();
}
else {
parseExpected(73);
if (parseOptional(51)) {
node.type = parseType();
}
else {
node.expression = parseAssignmentExpressionOrHigher();
}
}
parseSemicolon();
return finishNode(node);
}
function isLetDeclaration() {
return inStrictModeContext() || lookAhead(nextTokenIsIdentifierOrStartOfDestructuringOnTheSameLine);
}
function isDeclarationStart(followsModifier) {
switch (token) {
case 98:
case 70:
case 83:
return true;
case 105:
return isLetDeclaration();
case 69:
case 104:
case 77:
case 123:
return lookAhead(nextTokenIsIdentifierOrKeyword);
case 85:
return lookAhead(nextTokenCanFollowImportKeyword);
case 117:
return lookAhead(nextTokenIsIdentifierOrKeywordOrStringLiteral);
case 78:
return lookAhead(nextTokenCanFollowExportKeyword);
case 115:
case 109:
case 107:
case 108:
case 110:
return lookAhead(nextTokenIsDeclarationStart);
case 52:
return !followsModifier;
}
}
function isIdentifierOrKeyword() {
return token >= 65;
}
function nextTokenIsIdentifierOrKeyword() {
nextToken();
return isIdentifierOrKeyword();
}
function nextTokenIsIdentifierOrKeywordOrStringLiteral() {
nextToken();
return isIdentifierOrKeyword() || token === 8;
}
function nextTokenCanFollowImportKeyword() {
nextToken();
return isIdentifierOrKeyword() || token === 8 || token === 35 || token === 14;
}
function nextTokenCanFollowExportKeyword() {
nextToken();
return token === 53 || token === 35 || token === 14 || token === 73 || isDeclarationStart(true);
}
function nextTokenIsDeclarationStart() {
nextToken();
return isDeclarationStart(true);
}
function nextTokenIsAsKeyword() {
return nextToken() === 102;
}
function parseDeclaration() {
var fullStart = getNodePos();
var decorators = parseDecorators();
var modifiers = parseModifiers();
if (token === 78) {
nextToken();
if (token === 73 || token === 53) {
return parseExportAssignment(fullStart, decorators, modifiers);
}
if (token === 35 || token === 14) {
return parseExportDeclaration(fullStart, decorators, modifiers);
}
}
switch (token) {
case 98:
case 105:
case 70:
return parseVariableStatement(fullStart, decorators, modifiers);
case 83:
return parseFunctionDeclaration(fullStart, decorators, modifiers);
case 69:
return parseClassDeclaration(fullStart, decorators, modifiers);
case 104:
return parseInterfaceDeclaration(fullStart, decorators, modifiers);
case 123:
return parseTypeAliasDeclaration(fullStart, decorators, modifiers);
case 77:
return parseEnumDeclaration(fullStart, decorators, modifiers);
case 117:
return parseModuleDeclaration(fullStart, decorators, modifiers);
case 85:
return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers);
default:
if (decorators) {
var node = createMissingNode(218, true, ts.Diagnostics.Declaration_expected);
node.pos = fullStart;
node.decorators = decorators;
setModifiers(node, modifiers);
return finishNode(node);
}
ts.Debug.fail("Mismatch between isDeclarationStart and parseDeclaration");
}
}
function isSourceElement(inErrorRecovery) {
return isDeclarationStart() || isStartOfStatement(inErrorRecovery);
}
function parseSourceElement() {
return parseSourceElementOrModuleElement();
}
function parseModuleElement() {
return parseSourceElementOrModuleElement();
}
function parseSourceElementOrModuleElement() {
return isDeclarationStart() ? parseDeclaration() : parseStatement();
}
function processReferenceComments(sourceFile) {
var triviaScanner = ts.createScanner(sourceFile.languageVersion, false, sourceText);
var referencedFiles = [];
var amdDependencies = [];
var amdModuleName;
while (true) {
var kind = triviaScanner.scan();
if (kind === 5 || kind === 4 || kind === 3) {
continue;
}
if (kind !== 2) {
break;
}
var range = {
pos: triviaScanner.getTokenPos(),
end: triviaScanner.getTextPos()
};
var comment = sourceText.substring(range.pos, range.end);
var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range);
if (referencePathMatchResult) {
var fileReference = referencePathMatchResult.fileReference;
sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib;
var diagnosticMessage = referencePathMatchResult.diagnosticMessage;
if (fileReference) {
referencedFiles.push(fileReference);
}
if (diagnosticMessage) {
sourceFile.parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage));
}
}
else {
var amdModuleNameRegEx = /^\/\/\/\s*<amd-module\s+name\s*=\s*('|")(.+?)\1/gim;
var amdModuleNameMatchResult = amdModuleNameRegEx.exec(comment);
if (amdModuleNameMatchResult) {
if (amdModuleName) {
sourceFile.parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, ts.Diagnostics.An_AMD_module_cannot_have_multiple_name_assignments));
}
amdModuleName = amdModuleNameMatchResult[2];
}
var amdDependencyRegEx = /^\/\/\/\s*<amd-dependency\s/gim;
var pathRegex = /\spath\s*=\s*('|")(.+?)\1/gim;
var nameRegex = /\sname\s*=\s*('|")(.+?)\1/gim;
var amdDependencyMatchResult = amdDependencyRegEx.exec(comment);
if (amdDependencyMatchResult) {
var pathMatchResult = pathRegex.exec(comment);
var nameMatchResult = nameRegex.exec(comment);
if (pathMatchResult) {
var amdDependency = {
path: pathMatchResult[2],
name: nameMatchResult ? nameMatchResult[2] : undefined
};
amdDependencies.push(amdDependency);
}
}
}
}
sourceFile.referencedFiles = referencedFiles;
sourceFile.amdDependencies = amdDependencies;
sourceFile.amdModuleName = amdModuleName;
}
function setExternalModuleIndicator(sourceFile) {
sourceFile.externalModuleIndicator = ts.forEach(sourceFile.statements, function (node) {
return node.flags & 1 || node.kind === 208 && node.moduleReference.kind === 219 || node.kind === 209 || node.kind === 214 || node.kind === 215 ? node : undefined;
});
}
}
function isLeftHandSideExpression(expr) {
if (expr) {
switch (expr.kind) {
case 155:
case 156:
case 158:
case 157:
case 159:
case 153:
case 161:
case 154:
case 174:
case 162:
case 65:
case 9:
case 7:
case 8:
case 10:
case 171:
case 80:
case 89:
case 93:
case 95:
case 91:
return true;
}
}
return false;
}
ts.isLeftHandSideExpression = isLeftHandSideExpression;
function isAssignmentOperator(token) {
return token >= 53 && token <= 64;
}
ts.isAssignmentOperator = isAssignmentOperator;
})(ts || (ts = {}));
/// <reference path="binder.ts"/>
var ts;
(function (ts) {
var nextSymbolId = 1;
var nextNodeId = 1;
var nextMergeId = 1;
function getNodeId(node) {
if (!node.id)
node.id = nextNodeId++;
return node.id;
}
ts.getNodeId = getNodeId;
ts.checkTime = 0;
function getSymbolId(symbol) {
if (!symbol.id) {
symbol.id = nextSymbolId++;
}
return symbol.id;
}
ts.getSymbolId = getSymbolId;
function createTypeChecker(host, produceDiagnostics) {
var Symbol = ts.objectAllocator.getSymbolConstructor();
var Type = ts.objectAllocator.getTypeConstructor();
var Signature = ts.objectAllocator.getSignatureConstructor();
var typeCount = 0;
var emptyArray = [];
var emptySymbols = {};
var compilerOptions = host.getCompilerOptions();
var languageVersion = compilerOptions.target || 0;
var emitResolver = createResolver();
var undefinedSymbol = createSymbol(4 | 67108864, "undefined");
var argumentsSymbol = createSymbol(4 | 67108864, "arguments");
var checker = {
getNodeCount: function () {
return ts.sum(host.getSourceFiles(), "nodeCount");
},
getIdentifierCount: function () {
return ts.sum(host.getSourceFiles(), "identifierCount");
},
getSymbolCount: function () {
return ts.sum(host.getSourceFiles(), "symbolCount");
},
getTypeCount: function () {
return typeCount;
},
isUndefinedSymbol: function (symbol) {
return symbol === undefinedSymbol;
},
isArgumentsSymbol: function (symbol) {
return symbol === argumentsSymbol;
},
getDiagnostics: getDiagnostics,
getGlobalDiagnostics: getGlobalDiagnostics,
getTypeOfSymbolAtLocation: getTypeOfSymbolAtLocation,
getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol,
getPropertiesOfType: getPropertiesOfType,
getPropertyOfType: getPropertyOfType,
getSignaturesOfType: getSignaturesOfType,
getIndexTypeOfType: getIndexTypeOfType,
getReturnTypeOfSignature: getReturnTypeOfSignature,
getSymbolsInScope: getSymbolsInScope,
getSymbolAtLocation: getSymbolAtLocation,
getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol,
getTypeAtLocation: getTypeAtLocation,
typeToString: typeToString,
getSymbolDisplayBuilder: getSymbolDisplayBuilder,
symbolToString: symbolToString,
getAugmentedPropertiesOfType: getAugmentedPropertiesOfType,
getRootSymbols: getRootSymbols,
getContextualType: getContextualType,
getFullyQualifiedName: getFullyQualifiedName,
getResolvedSignature: getResolvedSignature,
getConstantValue: getConstantValue,
isValidPropertyAccess: isValidPropertyAccess,
getSignatureFromDeclaration: getSignatureFromDeclaration,
isImplementationOfOverload: isImplementationOfOverload,
getAliasedSymbol: resolveAlias,
getEmitResolver: getEmitResolver,
getExportsOfExternalModule: getExportsOfExternalModule
};
var unknownSymbol = createSymbol(4 | 67108864, "unknown");
var resolvingSymbol = createSymbol(67108864, "__resolving__");
var anyType = createIntrinsicType(1, "any");
var stringType = createIntrinsicType(2, "string");
var numberType = createIntrinsicType(4, "number");
var booleanType = createIntrinsicType(8, "boolean");
var esSymbolType = createIntrinsicType(1048576, "symbol");
var voidType = createIntrinsicType(16, "void");
var undefinedType = createIntrinsicType(32 | 262144, "undefined");
var nullType = createIntrinsicType(64 | 262144, "null");
var unknownType = createIntrinsicType(1, "unknown");
var resolvingType = createIntrinsicType(1, "__resolving__");
var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
var anySignature = createSignature(undefined, undefined, emptyArray, anyType, 0, false, false);
var unknownSignature = createSignature(undefined, undefined, emptyArray, unknownType, 0, false, false);
var globals = {};
var globalArraySymbol;
var globalESSymbolConstructorSymbol;
var globalObjectType;
var globalFunctionType;
var globalArrayType;
var globalStringType;
var globalNumberType;
var globalBooleanType;
var globalRegExpType;
var globalTemplateStringsArrayType;
var globalESSymbolType;
var globalIterableType;
var anyArrayType;
var globalTypedPropertyDescriptorType;
var globalClassDecoratorType;
var globalParameterDecoratorType;
var globalPropertyDecoratorType;
var globalMethodDecoratorType;
var tupleTypes = {};
var unionTypes = {};
var stringLiteralTypes = {};
var emitExtends = false;
var emitDecorate = false;
var mergedSymbols = [];
var symbolLinks = [];
var nodeLinks = [];
var potentialThisCollisions = [];
var diagnostics = ts.createDiagnosticCollection();
var primitiveTypeInfo = {
"string": {
type: stringType,
flags: 258
},
"number": {
type: numberType,
flags: 132
},
"boolean": {
type: booleanType,
flags: 8
},
"symbol": {
type: esSymbolType,
flags: 1048576
}
};
function getEmitResolver(sourceFile) {
getDiagnostics(sourceFile);
return emitResolver;
}
function error(location, message, arg0, arg1, arg2) {
var diagnostic = location ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) : ts.createCompilerDiagnostic(message, arg0, arg1, arg2);
diagnostics.add(diagnostic);
}
function createSymbol(flags, name) {
return new Symbol(flags, name);
}
function getExcludedSymbolFlags(flags) {
var result = 0;
if (flags & 2)
result |= 107455;
if (flags & 1)
result |= 107454;
if (flags & 4)
result |= 107455;
if (flags & 8)
result |= 107455;
if (flags & 16)
result |= 106927;
if (flags & 32)
result |= 899583;
if (flags & 64)
result |= 792992;
if (flags & 256)
result |= 899327;
if (flags & 128)
result |= 899967;
if (flags & 512)
result |= 106639;
if (flags & 8192)
result |= 99263;
if (flags & 32768)
result |= 41919;
if (flags & 65536)
result |= 74687;
if (flags & 262144)
result |= 530912;
if (flags & 524288)
result |= 793056;
if (flags & 8388608)
result |= 8388608;
return result;
}
function recordMergedSymbol(target, source) {
if (!source.mergeId)
source.mergeId = nextMergeId++;
mergedSymbols[source.mergeId] = target;
}
function cloneSymbol(symbol) {
var result = createSymbol(symbol.flags | 33554432, symbol.name);
result.declarations = symbol.declarations.slice(0);
result.parent = symbol.parent;
if (symbol.valueDeclaration)
result.valueDeclaration = symbol.valueDeclaration;
if (symbol.constEnumOnlyModule)
result.constEnumOnlyModule = true;
if (symbol.members)
result.members = cloneSymbolTable(symbol.members);
if (symbol.exports)
result.exports = cloneSymbolTable(symbol.exports);
recordMergedSymbol(result, symbol);
return result;
}
function mergeSymbol(target, source) {
if (!(target.flags & getExcludedSymbolFlags(source.flags))) {
if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) {
target.constEnumOnlyModule = false;
}
target.flags |= source.flags;
if (!target.valueDeclaration && source.valueDeclaration)
target.valueDeclaration = source.valueDeclaration;
ts.forEach(source.declarations, function (node) {
target.declarations.push(node);
});
if (source.members) {
if (!target.members)
target.members = {};
mergeSymbolTable(target.members, source.members);
}
if (source.exports) {
if (!target.exports)
target.exports = {};
mergeSymbolTable(target.exports, source.exports);
}
recordMergedSymbol(target, source);
}
else {
var message = target.flags & 2 || source.flags & 2 ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0;
ts.forEach(source.declarations, function (node) {
error(node.name ? node.name : node, message, symbolToString(source));
});
ts.forEach(target.declarations, function (node) {
error(node.name ? node.name : node, message, symbolToString(source));
});
}
}
function cloneSymbolTable(symbolTable) {
var result = {};
for (var id in symbolTable) {
if (ts.hasProperty(symbolTable, id)) {
result[id] = symbolTable[id];
}
}
return result;
}
function mergeSymbolTable(target, source) {
for (var id in source) {
if (ts.hasProperty(source, id)) {
if (!ts.hasProperty(target, id)) {
target[id] = source[id];
}
else {
var symbol = target[id];
if (!(symbol.flags & 33554432)) {
target[id] = symbol = cloneSymbol(symbol);
}
mergeSymbol(symbol, source[id]);
}
}
}
}
function getSymbolLinks(symbol) {
if (symbol.flags & 67108864)
return symbol;
var id = getSymbolId(symbol);
return symbolLinks[id] || (symbolLinks[id] = {});
}
function getNodeLinks(node) {
var nodeId = getNodeId(node);
return nodeLinks[nodeId] || (nodeLinks[nodeId] = {});
}
function getSourceFile(node) {
return ts.getAncestor(node, 227);
}
function isGlobalSourceFile(node) {
return node.kind === 227 && !ts.isExternalModule(node);
}
function getSymbol(symbols, name, meaning) {
if (meaning && ts.hasProperty(symbols, name)) {
var symbol = symbols[name];
ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here.");
if (symbol.flags & meaning) {
return symbol;
}
if (symbol.flags & 8388608) {
var target = resolveAlias(symbol);
if (target === unknownSymbol || target.flags & meaning) {
return symbol;
}
}
}
}
function isDefinedBefore(node1, node2) {
var file1 = ts.getSourceFileOfNode(node1);
var file2 = ts.getSourceFileOfNode(node2);
if (file1 === file2) {
return node1.pos <= node2.pos;
}
if (!compilerOptions.out) {
return true;
}
var sourceFiles = host.getSourceFiles();
return sourceFiles.indexOf(file1) <= sourceFiles.indexOf(file2);
}
function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) {
var result;
var lastLocation;
var propertyWithInvalidInitializer;
var errorLocation = location;
var grandparent;
loop: while (location) {
if (location.locals && !isGlobalSourceFile(location)) {
if (result = getSymbol(location.locals, name, meaning)) {
break loop;
}
}
switch (location.kind) {
case 227:
if (!ts.isExternalModule(location))
break;
case 205:
if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8914931)) {
if (result.flags & meaning || !(result.flags & 8388608 && getDeclarationOfAliasSymbol(result).kind === 217)) {
break loop;
}
result = undefined;
}
else if (location.kind === 227) {
result = getSymbol(getSymbolOfNode(location).exports, "default", meaning & 8914931);
var localSymbol = ts.getLocalSymbolForExportDefault(result);
if (result && (result.flags & meaning) && localSymbol && localSymbol.name === name) {
break loop;
}
result = undefined;
}
break;
case 204:
if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8)) {
break loop;
}
break;
case 132:
case 131:
if (location.parent.kind === 201 && !(location.flags & 128)) {
var ctor = findConstructorDeclaration(location.parent);
if (ctor && ctor.locals) {
if (getSymbol(ctor.locals, name, meaning & 107455)) {
propertyWithInvalidInitializer = location;
}
}
}
break;
case 201:
case 202:
if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793056)) {
if (lastLocation && lastLocation.flags & 128) {
error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters);
return undefined;
}
break loop;
}
break;
case 127:
grandparent = location.parent.parent;
if (grandparent.kind === 201 || grandparent.kind === 202) {
if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793056)) {
error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type);
return undefined;
}
}
break;
case 134:
case 133:
case 135:
case 136:
case 137:
case 200:
case 163:
if (name === "arguments") {
result = argumentsSymbol;
break loop;
}
break;
case 162:
if (name === "arguments") {
result = argumentsSymbol;
break loop;
}
var functionName = location.name;
if (functionName && name === functionName.text) {
result = location.symbol;
break loop;
}
break;
case 174:
var className = location.name;
if (className && name === className.text) {
result = location.symbol;
break loop;
}
break;
case 130:
if (location.parent && location.parent.kind === 129) {
location = location.parent;
}
if (location.parent && ts.isClassElement(location.parent)) {
location = location.parent;
}
break;
}
lastLocation = location;
location = location.parent;
}
if (!result) {
result = getSymbol(globals, name, meaning);
}
if (!result) {
if (nameNotFoundMessage) {
error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg));
}
return undefined;
}
if (nameNotFoundMessage) {
if (propertyWithInvalidInitializer) {
var propertyName = propertyWithInvalidInitializer.name;
error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg));
return undefined;
}
if (result.flags & 2) {
checkResolvedBlockScopedVariable(result, errorLocation);
}
}
return result;
}
function checkResolvedBlockScopedVariable(result, errorLocation) {
ts.Debug.assert((result.flags & 2) !== 0);
var declaration = ts.forEach(result.declarations, function (d) {
return ts.isBlockOrCatchScoped(d) ? d : undefined;
});
ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined");
var isUsedBeforeDeclaration = !isDefinedBefore(declaration, errorLocation);
if (!isUsedBeforeDeclaration) {
var variableDeclaration = ts.getAncestor(declaration, 198);
var container = ts.getEnclosingBlockScopeContainer(variableDeclaration);
if (variableDeclaration.parent.parent.kind === 180 || variableDeclaration.parent.parent.kind === 186) {
isUsedBeforeDeclaration = isSameScopeDescendentOf(errorLocation, variableDeclaration, container);
}
else if (variableDeclaration.parent.parent.kind === 188 || variableDeclaration.parent.parent.kind === 187) {
var expression = variableDeclaration.parent.parent.expression;
isUsedBeforeDeclaration = isSameScopeDescendentOf(errorLocation, expression, container);
}
}
if (isUsedBeforeDeclaration) {
error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name));
}
}
function isSameScopeDescendentOf(initial, parent, stopAt) {
if (!parent) {
return false;
}
for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) {
if (current === parent) {
return true;
}
}
return false;
}
function getAnyImportSyntax(node) {
if (ts.isAliasSymbolDeclaration(node)) {
if (node.kind === 208) {
return node;
}
while (node && node.kind !== 209) {
node = node.parent;
}
return node;
}
}
function getDeclarationOfAliasSymbol(symbol) {
return ts.forEach(symbol.declarations, function (d) {
return ts.isAliasSymbolDeclaration(d) ? d : undefined;
});
}
function getTargetOfImportEqualsDeclaration(node) {
if (node.moduleReference.kind === 219) {
return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node)));
}
return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, node);
}
function getTargetOfImportClause(node) {
var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier);
if (moduleSymbol) {
var exportDefaultSymbol = resolveSymbol(moduleSymbol.exports["default"]);
if (!exportDefaultSymbol) {
error(node.name, ts.Diagnostics.External_module_0_has_no_default_export, symbolToString(moduleSymbol));
}
return exportDefaultSymbol;
}
}
function getTargetOfNamespaceImport(node) {
var moduleSpecifier = node.parent.parent.moduleSpecifier;
return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier);
}
function getMemberOfModuleVariable(moduleSymbol, name) {
if (moduleSymbol.flags & 3) {
var typeAnnotation = moduleSymbol.valueDeclaration.type;
if (typeAnnotation) {
return getPropertyOfType(getTypeFromTypeNodeOrHeritageClauseElement(typeAnnotation), name);
}
}
}
function combineValueAndTypeSymbols(valueSymbol, typeSymbol) {
if (valueSymbol.flags & (793056 | 1536)) {
return valueSymbol;
}
var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name);
result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations);
result.parent = valueSymbol.parent || typeSymbol.parent;
if (valueSymbol.valueDeclaration)
result.valueDeclaration = valueSymbol.valueDeclaration;
if (typeSymbol.members)
result.members = typeSymbol.members;
if (valueSymbol.exports)
result.exports = valueSymbol.exports;
return result;
}
function getExportOfModule(symbol, name) {
if (symbol.flags & 1536) {
var exports = getExportsOfSymbol(symbol);
if (ts.hasProperty(exports, name)) {
return resolveSymbol(exports[name]);
}
}
}
function getPropertyOfVariable(symbol, name) {
if (symbol.flags & 3) {
var typeAnnotation = symbol.valueDeclaration.type;
if (typeAnnotation) {
return resolveSymbol(getPropertyOfType(getTypeFromTypeNodeOrHeritageClauseElement(typeAnnotation), name));
}
}
}
function getExternalModuleMember(node, specifier) {
var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier);
var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier);
if (targetSymbol) {
var name_4 = specifier.propertyName || specifier.name;
if (name_4.text) {
var symbolFromModule = getExportOfModule(targetSymbol, name_4.text);
var symbolFromVariable = getPropertyOfVariable(targetSymbol, name_4.text);
var symbol = symbolFromModule && symbolFromVariable ? combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : symbolFromModule || symbolFromVariable;
if (!symbol) {
error(name_4, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_4));
}
return symbol;
}
}
}
function getTargetOfImportSpecifier(node) {
return getExternalModuleMember(node.parent.parent.parent, node);
}
function getTargetOfExportSpecifier(node) {
return node.parent.parent.moduleSpecifier ? getExternalModuleMember(node.parent.parent, node) : resolveEntityName(node.propertyName || node.name, 107455 | 793056 | 1536);
}
function getTargetOfExportAssignment(node) {
return node.expression && resolveEntityName(node.expression, 107455 | 793056 | 1536);
}
function getTargetOfAliasDeclaration(node) {
switch (node.kind) {
case 208:
return getTargetOfImportEqualsDeclaration(node);
case 210:
return getTargetOfImportClause(node);
case 211:
return getTargetOfNamespaceImport(node);
case 213:
return getTargetOfImportSpecifier(node);
case 217:
return getTargetOfExportSpecifier(node);
case 214:
return getTargetOfExportAssignment(node);
}
}
function resolveSymbol(symbol) {
return symbol && symbol.flags & 8388608 && !(symbol.flags & (107455 | 793056 | 1536)) ? resolveAlias(symbol) : symbol;
}
function resolveAlias(symbol) {
ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here.");
var links = getSymbolLinks(symbol);
if (!links.target) {
links.target = resolvingSymbol;
var node = getDeclarationOfAliasSymbol(symbol);
var target = getTargetOfAliasDeclaration(node);
if (links.target === resolvingSymbol) {
links.target = target || unknownSymbol;
}
else {
error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol));
}
}
else if (links.target === resolvingSymbol) {
links.target = unknownSymbol;
}
return links.target;
}
function markExportAsReferenced(node) {
var symbol = getSymbolOfNode(node);
var target = resolveAlias(symbol);
if (target) {
var markAlias = (target === unknownSymbol && compilerOptions.separateCompilation) || (target !== unknownSymbol && (target.flags & 107455) && !isConstEnumOrConstEnumOnlyModule(target));
if (markAlias) {
markAliasSymbolAsReferenced(symbol);
}
}
}
function markAliasSymbolAsReferenced(symbol) {
var links = getSymbolLinks(symbol);
if (!links.referenced) {
links.referenced = true;
var node = getDeclarationOfAliasSymbol(symbol);
if (node.kind === 214 && node.expression) {
checkExpressionCached(node.expression);
}
else if (node.kind === 217) {
checkExpressionCached(node.propertyName || node.name);
}
else if (ts.isInternalModuleImportEqualsDeclaration(node)) {
checkExpressionCached(node.moduleReference);
}
}
}
function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importDeclaration) {
if (!importDeclaration) {
importDeclaration = ts.getAncestor(entityName, 208);
ts.Debug.assert(importDeclaration !== undefined);
}
if (entityName.kind === 65 && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) {
entityName = entityName.parent;
}
if (entityName.kind === 65 || entityName.parent.kind === 126) {
return resolveEntityName(entityName, 1536);
}
else {
ts.Debug.assert(entityName.parent.kind === 208);
return resolveEntityName(entityName, 107455 | 793056 | 1536);
}
}
function getFullyQualifiedName(symbol) {
return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol);
}
function resolveEntityName(name, meaning) {
if (ts.nodeIsMissing(name)) {
return undefined;
}
var symbol;
if (name.kind === 65) {
symbol = resolveName(name, name.text, meaning, ts.Diagnostics.Cannot_find_name_0, name);
if (!symbol) {
return undefined;
}
}
else if (name.kind === 126 || name.kind === 155) {
var left = name.kind === 126 ? name.left : name.expression;
var right = name.kind === 126 ? name.right : name.name;
var namespace = resolveEntityName(left, 1536);
if (!namespace || namespace === unknownSymbol || ts.nodeIsMissing(right)) {
return undefined;
}
symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning);
if (!symbol) {
error(right, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right));
return undefined;
}
}
else {
ts.Debug.fail("Unknown entity name kind.");
}
ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here.");
return symbol.flags & meaning ? symbol : resolveAlias(symbol);
}
function isExternalModuleNameRelative(moduleName) {
return moduleName.substr(0, 2) === "./" || moduleName.substr(0, 3) === "../" || moduleName.substr(0, 2) === ".\\" || moduleName.substr(0, 3) === "..\\";
}
function resolveExternalModuleName(location, moduleReferenceExpression) {
if (moduleReferenceExpression.kind !== 8) {
return;
}
var moduleReferenceLiteral = moduleReferenceExpression;
var searchPath = ts.getDirectoryPath(getSourceFile(location).fileName);
var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text);
if (!moduleName)
return;
var isRelative = isExternalModuleNameRelative(moduleName);
if (!isRelative) {
var symbol = getSymbol(globals, '"' + moduleName + '"', 512);
if (symbol) {
return symbol;
}
}
var sourceFile;
while (true) {
var fileName = ts.normalizePath(ts.combinePaths(searchPath, moduleName));
sourceFile = host.getSourceFile(fileName + ".ts") || host.getSourceFile(fileName + ".d.ts");
if (sourceFile || isRelative) {
break;
}
var parentPath = ts.getDirectoryPath(searchPath);
if (parentPath === searchPath) {
break;
}
searchPath = parentPath;
}
if (sourceFile) {
if (sourceFile.symbol) {
return sourceFile.symbol;
}
error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_an_external_module, sourceFile.fileName);
return;
}
error(moduleReferenceLiteral, ts.Diagnostics.Cannot_find_external_module_0, moduleName);
}
function resolveExternalModuleSymbol(moduleSymbol) {
return moduleSymbol && resolveSymbol(moduleSymbol.exports["export="]) || moduleSymbol;
}
function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) {
var symbol = resolveExternalModuleSymbol(moduleSymbol);
if (symbol && !(symbol.flags & (1536 | 3))) {
error(moduleReferenceExpression, ts.Diagnostics.External_module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol));
symbol = undefined;
}
return symbol;
}
function getExportAssignmentSymbol(moduleSymbol) {
return moduleSymbol.exports["export="];
}
function getExportsOfSymbol(symbol) {
return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols;
}
function getExportsOfModule(moduleSymbol) {
var links = getSymbolLinks(moduleSymbol);
return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol));
}
function extendExportSymbols(target, source) {
for (var id in source) {
if (id !== "default" && !ts.hasProperty(target, id)) {
target[id] = source[id];
}
}
}
function getExportsForModule(moduleSymbol) {
var result;
var visitedSymbols = [];
visit(moduleSymbol);
return result || moduleSymbol.exports;
function visit(symbol) {
if (symbol.flags & 1952 && !ts.contains(visitedSymbols, symbol)) {
visitedSymbols.push(symbol);
if (symbol !== moduleSymbol) {
if (!result) {
result = cloneSymbolTable(moduleSymbol.exports);
}
extendExportSymbols(result, symbol.exports);
}
var exportStars = symbol.exports["__export"];
if (exportStars) {
for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) {
var node = _a[_i];
visit(resolveExternalModuleName(node, node.moduleSpecifier));
}
}
}
}
}
function getMergedSymbol(symbol) {
var merged;
return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol;
}
function getSymbolOfNode(node) {
return getMergedSymbol(node.symbol);
}
function getParentOfSymbol(symbol) {
return getMergedSymbol(symbol.parent);
}
function getExportSymbolOfValueSymbolIfExported(symbol) {
return symbol && (symbol.flags & 1048576) !== 0 ? getMergedSymbol(symbol.exportSymbol) : symbol;
}
function symbolIsValue(symbol) {
if (symbol.flags & 16777216) {
return symbolIsValue(getSymbolLinks(symbol).target);
}
if (symbol.flags & 107455) {
return true;
}
if (symbol.flags & 8388608) {
return (resolveAlias(symbol).flags & 107455) !== 0;
}
return false;
}
function findConstructorDeclaration(node) {
var members = node.members;
for (var _i = 0; _i < members.length; _i++) {
var member = members[_i];
if (member.kind === 135 && ts.nodeIsPresent(member.body)) {
return member;
}
}
}
function createType(flags) {
var result = new Type(checker, flags);
result.id = typeCount++;
return result;
}
function createIntrinsicType(kind, intrinsicName) {
var type = createType(kind);
type.intrinsicName = intrinsicName;
return type;
}
function createObjectType(kind, symbol) {
var type = createType(kind);
type.symbol = symbol;
return type;
}
function isReservedMemberName(name) {
return name.charCodeAt(0) === 95 && name.charCodeAt(1) === 95 && name.charCodeAt(2) !== 95 && name.charCodeAt(2) !== 64;
}
function getNamedMembers(members) {
var result;
for (var id in members) {
if (ts.hasProperty(members, id)) {
if (!isReservedMemberName(id)) {
if (!result)
result = [];
var symbol = members[id];
if (symbolIsValue(symbol)) {
result.push(symbol);
}
}
}
}
return result || emptyArray;
}
function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) {
type.members = members;
type.properties = getNamedMembers(members);
type.callSignatures = callSignatures;
type.constructSignatures = constructSignatures;
if (stringIndexType)
type.stringIndexType = stringIndexType;
if (numberIndexType)
type.numberIndexType = numberIndexType;
return type;
}
function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) {
return setObjectTypeMembers(createObjectType(32768, symbol), members, callSignatures, constructSignatures, stringIndexType, numberIndexType);
}
function forEachSymbolTableInScope(enclosingDeclaration, callback) {
var result;
for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) {
if (location_1.locals && !isGlobalSourceFile(location_1)) {
if (result = callback(location_1.locals)) {
return result;
}
}
switch (location_1.kind) {
case 227:
if (!ts.isExternalModule(location_1)) {
break;
}
case 205:
if (result = callback(getSymbolOfNode(location_1).exports)) {
return result;
}
break;
case 201:
case 202:
if (result = callback(getSymbolOfNode(location_1).members)) {
return result;
}
break;
}
}
return callback(globals);
}
function getQualifiedLeftMeaning(rightMeaning) {
return rightMeaning === 107455 ? 107455 : 1536;
}
function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) {
function getAccessibleSymbolChainFromSymbolTable(symbols) {
function canQualifySymbol(symbolFromSymbolTable, meaning) {
if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) {
return true;
}
var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing);
return !!accessibleParent;
}
function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) {
if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) {
return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && canQualifySymbol(symbolFromSymbolTable, meaning);
}
}
if (isAccessible(ts.lookUp(symbols, symbol.name))) {
return [
symbol
];
}
return ts.forEachValue(symbols, function (symbolFromSymbolTable) {
if (symbolFromSymbolTable.flags & 8388608 && symbolFromSymbolTable.name !== "export=") {
if (!useOnlyExternalAliasing || ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) {
var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable);
if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) {
return [
symbolFromSymbolTable
];
}
var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined;
if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) {
return [
symbolFromSymbolTable
].concat(accessibleSymbolsFromExports);
}
}
}
});
}
if (symbol) {
return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable);
}
}
function needsQualification(symbol, enclosingDeclaration, meaning) {
var qualify = false;
forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) {
if (!ts.hasProperty(symbolTable, symbol.name)) {
return false;
}
var symbolFromSymbolTable = symbolTable[symbol.name];
if (symbolFromSymbolTable === symbol) {
return true;
}
symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable;
if (symbolFromSymbolTable.flags & meaning) {
qualify = true;
return true;
}
return false;
});
return qualify;
}
function isSymbolAccessible(symbol, enclosingDeclaration, meaning) {
if (symbol && enclosingDeclaration && !(symbol.flags & 262144)) {
var initialSymbol = symbol;
var meaningToLook = meaning;
while (symbol) {
var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, false);
if (accessibleSymbolChain) {
var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0]);
if (!hasAccessibleDeclarations) {
return {
accessibility: 1,
errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning),
errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1536) : undefined
};
}
return hasAccessibleDeclarations;
}
meaningToLook = getQualifiedLeftMeaning(meaning);
symbol = getParentOfSymbol(symbol);
}
var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer);
if (symbolExternalModule) {
var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration);
if (symbolExternalModule !== enclosingExternalModule) {
return {
accessibility: 2,
errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning),
errorModuleName: symbolToString(symbolExternalModule)
};
}
}
return {
accessibility: 1,
errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning)
};
}
return {
accessibility: 0
};
function getExternalModuleContainer(declaration) {
for (; declaration; declaration = declaration.parent) {
if (hasExternalModuleSymbol(declaration)) {
return getSymbolOfNode(declaration);
}
}
}
}
function hasExternalModuleSymbol(declaration) {
return (declaration.kind === 205 && declaration.name.kind === 8) || (declaration.kind === 227 && ts.isExternalModule(declaration));
}
function hasVisibleDeclarations(symbol) {
var aliasesToMakeVisible;
if (ts.forEach(symbol.declarations, function (declaration) {
return !getIsDeclarationVisible(declaration);
})) {
return undefined;
}
return {
accessibility: 0,
aliasesToMakeVisible: aliasesToMakeVisible
};
function getIsDeclarationVisible(declaration) {
if (!isDeclarationVisible(declaration)) {
var anyImportSyntax = getAnyImportSyntax(declaration);
if (anyImportSyntax && !(anyImportSyntax.flags & 1) && isDeclarationVisible(anyImportSyntax.parent)) {
getNodeLinks(declaration).isVisible = true;
if (aliasesToMakeVisible) {
if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) {
aliasesToMakeVisible.push(anyImportSyntax);
}
}
else {
aliasesToMakeVisible = [
anyImportSyntax
];
}
return true;
}
return false;
}
return true;
}
}
function isEntityNameVisible(entityName, enclosingDeclaration) {
var meaning;
if (entityName.parent.kind === 144) {
meaning = 107455 | 1048576;
}
else if (entityName.kind === 126 || entityName.kind === 155 || entityName.parent.kind === 208) {
meaning = 1536;
}
else {
meaning = 793056;
}
var firstIdentifier = getFirstIdentifier(entityName);
var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined);
return (symbol && hasVisibleDeclarations(symbol)) || {
accessibility: 1,
errorSymbolName: ts.getTextOfNode(firstIdentifier),
errorNode: firstIdentifier
};
}
function writeKeyword(writer, kind) {
writer.writeKeyword(ts.tokenToString(kind));
}
function writePunctuation(writer, kind) {
writer.writePunctuation(ts.tokenToString(kind));
}
function writeSpace(writer) {
writer.writeSpace(" ");
}
function symbolToString(symbol, enclosingDeclaration, meaning) {
var writer = ts.getSingleLineStringWriter();
getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning);
var result = writer.string();
ts.releaseStringWriter(writer);
return result;
}
function typeToString(type, enclosingDeclaration, flags) {
var writer = ts.getSingleLineStringWriter();
getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags);
var result = writer.string();
ts.releaseStringWriter(writer);
var maxLength = compilerOptions.noErrorTruncation || flags & 4 ? undefined : 100;
if (maxLength && result.length >= maxLength) {
result = result.substr(0, maxLength - "...".length) + "...";
}
return result;
}
function getTypeAliasForTypeLiteral(type) {
if (type.symbol && type.symbol.flags & 2048) {
var node = type.symbol.declarations[0].parent;
while (node.kind === 149) {
node = node.parent;
}
if (node.kind === 203) {
return getSymbolOfNode(node);
}
}
return undefined;
}
var _displayBuilder;
function getSymbolDisplayBuilder() {
function appendSymbolNameOnly(symbol, writer) {
if (symbol.declarations && symbol.declarations.length > 0) {
var declaration = symbol.declarations[0];
if (declaration.name) {
writer.writeSymbol(ts.declarationNameToString(declaration.name), symbol);
return;
}
}
writer.writeSymbol(symbol.name, symbol);
}
function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) {
var parentSymbol;
function appendParentTypeArgumentsAndSymbolName(symbol) {
if (parentSymbol) {
if (flags & 1) {
if (symbol.flags & 16777216) {
buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration);
}
else {
buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration);
}
}
writePunctuation(writer, 20);
}
parentSymbol = symbol;
appendSymbolNameOnly(symbol, writer);
}
writer.trackSymbol(symbol, enclosingDeclaration, meaning);
function walkSymbol(symbol, meaning) {
if (symbol) {
var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2));
if (!accessibleSymbolChain || needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) {
walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning));
}
if (accessibleSymbolChain) {
for (var _i = 0; _i < accessibleSymbolChain.length; _i++) {
var accessibleSymbol = accessibleSymbolChain[_i];
appendParentTypeArgumentsAndSymbolName(accessibleSymbol);
}
}
else {
if (!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) {
return;
}
if (symbol.flags & 2048 || symbol.flags & 4096) {
return;
}
appendParentTypeArgumentsAndSymbolName(symbol);
}
}
}
var isTypeParameter = symbol.flags & 262144;
var typeFormatFlag = 128 & typeFlags;
if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) {
walkSymbol(symbol, meaning);
return;
}
return appendParentTypeArgumentsAndSymbolName(symbol);
}
function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, typeStack) {
var globalFlagsToPass = globalFlags & 16;
return writeType(type, globalFlags);
function writeType(type, flags) {
if (type.flags & 1048703) {
writer.writeKeyword(!(globalFlags & 16) && (type.flags & 1) ? "any" : type.intrinsicName);
}
else if (type.flags & 4096) {
writeTypeReference(type, flags);
}
else if (type.flags & (1024 | 2048 | 128 | 512)) {
buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793056, 0, flags);
}
else if (type.flags & 8192) {
writeTupleType(type);
}
else if (type.flags & 16384) {
writeUnionType(type, flags);
}
else if (type.flags & 32768) {
writeAnonymousType(type, flags);
}
else if (type.flags & 256) {
writer.writeStringLiteral(type.text);
}
else {
writePunctuation(writer, 14);
writeSpace(writer);
writePunctuation(writer, 21);
writeSpace(writer);
writePunctuation(writer, 15);
}
}
function writeTypeList(types, union) {
for (var i = 0; i < types.length; i++) {
if (i > 0) {
if (union) {
writeSpace(writer);
}
writePunctuation(writer, union ? 44 : 23);
writeSpace(writer);
}
writeType(types[i], union ? 64 : 0);
}
}
function writeTypeReference(type, flags) {
if (type.target === globalArrayType && !(flags & 1)) {
writeType(type.typeArguments[0], 64);
writePunctuation(writer, 18);
writePunctuation(writer, 19);
}
else {
buildSymbolDisplay(type.target.symbol, writer, enclosingDeclaration, 793056);
writePunctuation(writer, 24);
writeTypeList(type.typeArguments, false);
writePunctuation(writer, 25);
}
}
function writeTupleType(type) {
writePunctuation(writer, 18);
writeTypeList(type.elementTypes, false);
writePunctuation(writer, 19);
}
function writeUnionType(type, flags) {
if (flags & 64) {
writePunctuation(writer, 16);
}
writeTypeList(type.types, true);
if (flags & 64) {
writePunctuation(writer, 17);
}
}
function writeAnonymousType(type, flags) {
if (type.symbol && type.symbol.flags & (32 | 384 | 512)) {
writeTypeofSymbol(type, flags);
}
else if (shouldWriteTypeOfFunctionSymbol()) {
writeTypeofSymbol(type, flags);
}
else if (typeStack && ts.contains(typeStack, type)) {
var typeAlias = getTypeAliasForTypeLiteral(type);
if (typeAlias) {
buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793056, 0, flags);
}
else {
writeKeyword(writer, 112);
}
}
else {
if (!typeStack) {
typeStack = [];
}
typeStack.push(type);
writeLiteralType(type, flags);
typeStack.pop();
}
function shouldWriteTypeOfFunctionSymbol() {
if (type.symbol) {
var isStaticMethodSymbol = !!(type.symbol.flags & 8192 && ts.forEach(type.symbol.declarations, function (declaration) {
return declaration.flags & 128;
}));
var isNonLocalFunctionSymbol = !!(type.symbol.flags & 16) && (type.symbol.parent || ts.forEach(type.symbol.declarations, function (declaration) {
return declaration.parent.kind === 227 || declaration.parent.kind === 206;
}));
if (isStaticMethodSymbol || isNonLocalFunctionSymbol) {
return !!(flags & 2) || (typeStack && ts.contains(typeStack, type));
}
}
}
}
function writeTypeofSymbol(type, typeFormatFlags) {
writeKeyword(writer, 97);
writeSpace(writer);
buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags);
}
function getIndexerParameterName(type, indexKind, fallbackName) {
var declaration = getIndexDeclarationOfSymbol(type.symbol, indexKind);
if (!declaration) {
return fallbackName;
}
ts.Debug.assert(declaration.parameters.length !== 0);
return ts.declarationNameToString(declaration.parameters[0].name);
}
function writeLiteralType(type, flags) {
var resolved = resolveObjectOrUnionTypeMembers(type);
if (!resolved.properties.length && !resolved.stringIndexType && !resolved.numberIndexType) {
if (!resolved.callSignatures.length && !resolved.constructSignatures.length) {
writePunctuation(writer, 14);
writePunctuation(writer, 15);
return;
}
if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) {
if (flags & 64) {
writePunctuation(writer, 16);
}
buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, typeStack);
if (flags & 64) {
writePunctuation(writer, 17);
}
return;
}
if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) {
if (flags & 64) {
writePunctuation(writer, 16);
}
writeKeyword(writer, 88);
writeSpace(writer);
buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, typeStack);
if (flags & 64) {
writePunctuation(writer, 17);
}
return;
}
}
writePunctuation(writer, 14);
writer.writeLine();
writer.increaseIndent();
for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) {
var signature = _a[_i];
buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, typeStack);
writePunctuation(writer, 22);
writer.writeLine();
}
for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) {
var signature = _c[_b];
writeKeyword(writer, 88);
writeSpace(writer);
buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, typeStack);
writePunctuation(writer, 22);
writer.writeLine();
}
if (resolved.stringIndexType) {
writePunctuation(writer, 18);
writer.writeParameter(getIndexerParameterName(resolved, 0, "x"));
writePunctuation(writer, 51);
writeSpace(writer);
writeKeyword(writer, 121);
writePunctuation(writer, 19);
writePunctuation(writer, 51);
writeSpace(writer);
writeType(resolved.stringIndexType, 0);
writePunctuation(writer, 22);
writer.writeLine();
}
if (resolved.numberIndexType) {
writePunctuation(writer, 18);
writer.writeParameter(getIndexerParameterName(resolved, 1, "x"));
writePunctuation(writer, 51);
writeSpace(writer);
writeKeyword(writer, 119);
writePunctuation(writer, 19);
writePunctuation(writer, 51);
writeSpace(writer);
writeType(resolved.numberIndexType, 0);
writePunctuation(writer, 22);
writer.writeLine();
}
for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) {
var p = _e[_d];
var t = getTypeOfSymbol(p);
if (p.flags & (16 | 8192) && !getPropertiesOfObjectType(t).length) {
var signatures = getSignaturesOfType(t, 0);
for (var _f = 0; _f < signatures.length; _f++) {
var signature = signatures[_f];
buildSymbolDisplay(p, writer);
if (p.flags & 536870912) {
writePunctuation(writer, 50);
}
buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, typeStack);
writePunctuation(writer, 22);
writer.writeLine();
}
}
else {
buildSymbolDisplay(p, writer);
if (p.flags & 536870912) {
writePunctuation(writer, 50);
}
writePunctuation(writer, 51);
writeSpace(writer);
writeType(t, 0);
writePunctuation(writer, 22);
writer.writeLine();
}
}
writer.decreaseIndent();
writePunctuation(writer, 15);
}
}
function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaraiton, flags) {
var targetSymbol = getTargetSymbol(symbol);
if (targetSymbol.flags & 32 || targetSymbol.flags & 64) {
buildDisplayForTypeParametersAndDelimiters(getTypeParametersOfClassOrInterface(symbol), writer, enclosingDeclaraiton, flags);
}
}
function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, typeStack) {
appendSymbolNameOnly(tp.symbol, writer);
var constraint = getConstraintOfTypeParameter(tp);
if (constraint) {
writeSpace(writer);
writeKeyword(writer, 79);
writeSpace(writer);
buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, typeStack);
}
}
function buildParameterDisplay(p, writer, enclosingDeclaration, flags, typeStack) {
if (ts.hasDotDotDotToken(p.valueDeclaration)) {
writePunctuation(writer, 21);
}
appendSymbolNameOnly(p, writer);
if (ts.hasQuestionToken(p.valueDeclaration) || p.valueDeclaration.initializer) {
writePunctuation(writer, 50);
}
writePunctuation(writer, 51);
writeSpace(writer);
buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, typeStack);
}
function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, typeStack) {
if (typeParameters && typeParameters.length) {
writePunctuation(writer, 24);
for (var i = 0; i < typeParameters.length; i++) {
if (i > 0) {
writePunctuation(writer, 23);
writeSpace(writer);
}
buildTypeParameterDisplay(typeParameters[i], writer, enclosingDeclaration, flags, typeStack);
}
writePunctuation(writer, 25);
}
}
function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, typeStack) {
if (typeParameters && typeParameters.length) {
writePunctuation(writer, 24);
for (var i = 0; i < typeParameters.length; i++) {
if (i > 0) {
writePunctuation(writer, 23);
writeSpace(writer);
}
buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, 0);
}
writePunctuation(writer, 25);
}
}
function buildDisplayForParametersAndDelimiters(parameters, writer, enclosingDeclaration, flags, typeStack) {
writePunctuation(writer, 16);
for (var i = 0; i < parameters.length; i++) {
if (i > 0) {
writePunctuation(writer, 23);
writeSpace(writer);
}
buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, typeStack);
}
writePunctuation(writer, 17);
}
function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, typeStack) {
if (flags & 8) {
writeSpace(writer);
writePunctuation(writer, 32);
}
else {
writePunctuation(writer, 51);
}
writeSpace(writer);
buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags, typeStack);
}
function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, typeStack) {
if (signature.target && (flags & 32)) {
buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration);
}
else {
buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, typeStack);
}
buildDisplayForParametersAndDelimiters(signature.parameters, writer, enclosingDeclaration, flags, typeStack);
buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, typeStack);
}
return _displayBuilder || (_displayBuilder = {
symbolToString: symbolToString,
typeToString: typeToString,
buildSymbolDisplay: buildSymbolDisplay,
buildTypeDisplay: buildTypeDisplay,
buildTypeParameterDisplay: buildTypeParameterDisplay,
buildParameterDisplay: buildParameterDisplay,
buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters,
buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters,
buildDisplayForTypeArgumentsAndDelimiters: buildDisplayForTypeArgumentsAndDelimiters,
buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol,
buildSignatureDisplay: buildSignatureDisplay,
buildReturnTypeDisplay: buildReturnTypeDisplay
});
}
function isDeclarationVisible(node) {
function getContainingExternalModule(node) {
for (; node; node = node.parent) {
if (node.kind === 205) {
if (node.name.kind === 8) {
return node;
}
}
else if (node.kind === 227) {
return ts.isExternalModule(node) ? node : undefined;
}
}
ts.Debug.fail("getContainingModule cant reach here");
}
function isUsedInExportAssignment(node) {
var externalModule = getContainingExternalModule(node);
var exportAssignmentSymbol;
var resolvedExportSymbol;
if (externalModule) {
var externalModuleSymbol = getSymbolOfNode(externalModule);
exportAssignmentSymbol = getExportAssignmentSymbol(externalModuleSymbol);
var symbolOfNode = getSymbolOfNode(node);
if (isSymbolUsedInExportAssignment(symbolOfNode)) {
return true;
}
if (symbolOfNode.flags & 8388608) {
return isSymbolUsedInExportAssignment(resolveAlias(symbolOfNode));
}
}
function isSymbolUsedInExportAssignment(symbol) {
if (exportAssignmentSymbol === symbol) {
return true;
}
if (exportAssignmentSymbol && !!(exportAssignmentSymbol.flags & 8388608)) {
resolvedExportSymbol = resolvedExportSymbol || resolveAlias(exportAssignmentSymbol);
if (resolvedExportSymbol === symbol) {
return true;
}
return ts.forEach(resolvedExportSymbol.declarations, function (current) {
while (current) {
if (current === node) {
return true;
}
current = current.parent;
}
});
}
}
}
function determineIfDeclarationIsVisible() {
switch (node.kind) {
case 152:
return isDeclarationVisible(node.parent.parent);
case 198:
if (ts.isBindingPattern(node.name) && !node.name.elements.length) {
return false;
}
case 205:
case 201:
case 202:
case 203:
case 200:
case 204:
case 208:
var parent_2 = getDeclarationContainer(node);
if (!(ts.getCombinedNodeFlags(node) & 1) && !(node.kind !== 208 && parent_2.kind !== 227 && ts.isInAmbientContext(parent_2))) {
return isGlobalSourceFile(parent_2);
}
return isDeclarationVisible(parent_2);
case 132:
case 131:
case 136:
case 137:
case 134:
case 133:
if (node.flags & (32 | 64)) {
return false;
}
case 135:
case 139:
case 138:
case 140:
case 129:
case 206:
case 142:
case 143:
case 145:
case 141:
case 146:
case 147:
case 148:
case 149:
return isDeclarationVisible(node.parent);
case 210:
case 211:
case 213:
return false;
case 128:
case 227:
return true;
case 214:
return false;
default:
ts.Debug.fail("isDeclarationVisible unknown: SyntaxKind: " + node.kind);
}
}
if (node) {
var links = getNodeLinks(node);
if (links.isVisible === undefined) {
links.isVisible = !!determineIfDeclarationIsVisible();
}
return links.isVisible;
}
}
function collectLinkedAliases(node) {
var exportSymbol;
if (node.parent && node.parent.kind === 214) {
exportSymbol = resolveName(node.parent, node.text, 107455 | 793056 | 1536, ts.Diagnostics.Cannot_find_name_0, node);
}
else if (node.parent.kind === 217) {
exportSymbol = getTargetOfExportSpecifier(node.parent);
}
var result = [];
if (exportSymbol) {
buildVisibleNodeList(exportSymbol.declarations);
}
return result;
function buildVisibleNodeList(declarations) {
ts.forEach(declarations, function (declaration) {
getNodeLinks(declaration).isVisible = true;
var resultNode = getAnyImportSyntax(declaration) || declaration;
if (!ts.contains(result, resultNode)) {
result.push(resultNode);
}
if (ts.isInternalModuleImportEqualsDeclaration(declaration)) {
var internalModuleReference = declaration.moduleReference;
var firstIdentifier = getFirstIdentifier(internalModuleReference);
var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793056 | 1536, ts.Diagnostics.Cannot_find_name_0, firstIdentifier);
buildVisibleNodeList(importSymbol.declarations);
}
});
}
}
function getRootDeclaration(node) {
while (node.kind === 152) {
node = node.parent.parent;
}
return node;
}
function getDeclarationContainer(node) {
node = getRootDeclaration(node);
return node.kind === 198 ? node.parent.parent.parent : node.parent;
}
function getTypeOfPrototypeProperty(prototype) {
var classType = getDeclaredTypeOfSymbol(prototype.parent);
return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) {
return anyType;
})) : classType;
}
function getTypeOfPropertyOfType(type, name) {
var prop = getPropertyOfType(type, name);
return prop ? getTypeOfSymbol(prop) : undefined;
}
function getTypeForBindingElement(declaration) {
var pattern = declaration.parent;
var parentType = getTypeForVariableLikeDeclaration(pattern.parent);
if (parentType === unknownType) {
return unknownType;
}
if (!parentType || parentType === anyType) {
if (declaration.initializer) {
return checkExpressionCached(declaration.initializer);
}
return parentType;
}
var type;
if (pattern.kind === 150) {
var name_5 = declaration.propertyName || declaration.name;
type = getTypeOfPropertyOfType(parentType, name_5.text) || isNumericLiteralName(name_5.text) && getIndexTypeOfType(parentType, 1) || getIndexTypeOfType(parentType, 0);
if (!type) {
error(name_5, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_5));
return unknownType;
}
}
else {
if (!isArrayLikeType(parentType)) {
error(pattern, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(parentType));
return unknownType;
}
if (!declaration.dotDotDotToken) {
var propName = "" + ts.indexOf(pattern.elements, declaration);
type = isTupleLikeType(parentType) ? getTypeOfPropertyOfType(parentType, propName) : getIndexTypeOfType(parentType, 1);
if (!type) {
if (isTupleType(parentType)) {
error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), parentType.elementTypes.length, pattern.elements.length);
}
else {
error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName);
}
return unknownType;
}
}
else {
type = createArrayType(getIndexTypeOfType(parentType, 1));
}
}
return type;
}
function getTypeForVariableLikeDeclaration(declaration) {
if (declaration.parent.parent.kind === 187) {
return anyType;
}
if (declaration.parent.parent.kind === 188) {
return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType;
}
if (ts.isBindingPattern(declaration.parent)) {
return getTypeForBindingElement(declaration);
}
if (declaration.type) {
return getTypeFromTypeNodeOrHeritageClauseElement(declaration.type);
}
if (declaration.kind === 129) {
var func = declaration.parent;
if (func.kind === 137 && !ts.hasDynamicName(func)) {
var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 136);
if (getter) {
return getReturnTypeOfSignature(getSignatureFromDeclaration(getter));
}
}
var type = getContextuallyTypedParameterType(declaration);
if (type) {
return type;
}
}
if (declaration.initializer) {
return checkExpressionCached(declaration.initializer);
}
if (declaration.kind === 225) {
return checkIdentifier(declaration.name);
}
return undefined;
}
function getTypeFromBindingElement(element) {
if (element.initializer) {
return getWidenedType(checkExpressionCached(element.initializer));
}
if (ts.isBindingPattern(element.name)) {
return getTypeFromBindingPattern(element.name);
}
return anyType;
}
function getTypeFromObjectBindingPattern(pattern) {
var members = {};
ts.forEach(pattern.elements, function (e) {
var flags = 4 | 67108864 | (e.initializer ? 536870912 : 0);
var name = e.propertyName || e.name;
var symbol = createSymbol(flags, name.text);
symbol.type = getTypeFromBindingElement(e);
members[symbol.name] = symbol;
});
return createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined);
}
function getTypeFromArrayBindingPattern(pattern) {
var hasSpreadElement = false;
var elementTypes = [];
ts.forEach(pattern.elements, function (e) {
elementTypes.push(e.kind === 175 || e.dotDotDotToken ? anyType : getTypeFromBindingElement(e));
if (e.dotDotDotToken) {
hasSpreadElement = true;
}
});
return !elementTypes.length ? anyArrayType : hasSpreadElement ? createArrayType(getUnionType(elementTypes)) : createTupleType(elementTypes);
}
function getTypeFromBindingPattern(pattern) {
return pattern.kind === 150 ? getTypeFromObjectBindingPattern(pattern) : getTypeFromArrayBindingPattern(pattern);
}
function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) {
var type = getTypeForVariableLikeDeclaration(declaration);
if (type) {
if (reportErrors) {
reportErrorsFromWidening(declaration, type);
}
return declaration.kind !== 224 ? getWidenedType(type) : type;
}
if (ts.isBindingPattern(declaration.name)) {
return getTypeFromBindingPattern(declaration.name);
}
type = declaration.dotDotDotToken ? anyArrayType : anyType;
if (reportErrors && compilerOptions.noImplicitAny) {
var root = getRootDeclaration(declaration);
if (!isPrivateWithinAmbient(root) && !(root.kind === 129 && isPrivateWithinAmbient(root.parent))) {
reportImplicitAnyError(declaration, type);
}
}
return type;
}
function getTypeOfVariableOrParameterOrProperty(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
if (symbol.flags & 134217728) {
return links.type = getTypeOfPrototypeProperty(symbol);
}
var declaration = symbol.valueDeclaration;
if (declaration.parent.kind === 223) {
return links.type = anyType;
}
if (declaration.kind === 214) {
var exportAssignment = declaration;
if (exportAssignment.expression) {
return links.type = checkExpression(exportAssignment.expression);
}
else if (exportAssignment.type) {
return links.type = getTypeFromTypeNodeOrHeritageClauseElement(exportAssignment.type);
}
else {
return links.type = anyType;
}
}
links.type = resolvingType;
var type = getWidenedTypeForVariableLikeDeclaration(declaration, true);
if (links.type === resolvingType) {
links.type = type;
}
}
else if (links.type === resolvingType) {
links.type = anyType;
if (compilerOptions.noImplicitAny) {
var diagnostic = symbol.valueDeclaration.type ? ts.Diagnostics._0_implicitly_has_type_any_because_it_is_referenced_directly_or_indirectly_in_its_own_type_annotation : ts.Diagnostics._0_implicitly_has_type_any_because_it_is_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer;
error(symbol.valueDeclaration, diagnostic, symbolToString(symbol));
}
}
return links.type;
}
function getSetAccessorTypeAnnotationNode(accessor) {
return accessor && accessor.parameters.length > 0 && accessor.parameters[0].type;
}
function getAnnotatedAccessorType(accessor) {
if (accessor) {
if (accessor.kind === 136) {
return accessor.type && getTypeFromTypeNodeOrHeritageClauseElement(accessor.type);
}
else {
var setterTypeAnnotation = getSetAccessorTypeAnnotationNode(accessor);
return setterTypeAnnotation && getTypeFromTypeNodeOrHeritageClauseElement(setterTypeAnnotation);
}
}
return undefined;
}
function getTypeOfAccessors(symbol) {
var links = getSymbolLinks(symbol);
checkAndStoreTypeOfAccessors(symbol, links);
return links.type;
}
function checkAndStoreTypeOfAccessors(symbol, links) {
links = links || getSymbolLinks(symbol);
if (!links.type) {
links.type = resolvingType;
var getter = ts.getDeclarationOfKind(symbol, 136);
var setter = ts.getDeclarationOfKind(symbol, 137);
var type;
var getterReturnType = getAnnotatedAccessorType(getter);
if (getterReturnType) {
type = getterReturnType;
}
else {
var setterParameterType = getAnnotatedAccessorType(setter);
if (setterParameterType) {
type = setterParameterType;
}
else {
if (getter && getter.body) {
type = getReturnTypeFromBody(getter);
}
else {
if (compilerOptions.noImplicitAny) {
error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation, symbolToString(symbol));
}
type = anyType;
}
}
}
if (links.type === resolvingType) {
links.type = type;
}
}
else if (links.type === resolvingType) {
links.type = anyType;
if (compilerOptions.noImplicitAny) {
var getter = ts.getDeclarationOfKind(symbol, 136);
error(getter, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol));
}
}
}
function getTypeOfFuncClassEnumModule(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
links.type = createObjectType(32768, symbol);
}
return links.type;
}
function getTypeOfEnumMember(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol));
}
return links.type;
}
function getTypeOfAlias(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
links.type = getTypeOfSymbol(resolveAlias(symbol));
}
return links.type;
}
function getTypeOfInstantiatedSymbol(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper);
}
return links.type;
}
function getTypeOfSymbol(symbol) {
if (symbol.flags & 16777216) {
return getTypeOfInstantiatedSymbol(symbol);
}
if (symbol.flags & (3 | 4)) {
return getTypeOfVariableOrParameterOrProperty(symbol);
}
if (symbol.flags & (16 | 8192 | 32 | 384 | 512)) {
return getTypeOfFuncClassEnumModule(symbol);
}
if (symbol.flags & 8) {
return getTypeOfEnumMember(symbol);
}
if (symbol.flags & 98304) {
return getTypeOfAccessors(symbol);
}
if (symbol.flags & 8388608) {
return getTypeOfAlias(symbol);
}
return unknownType;
}
function getTargetType(type) {
return type.flags & 4096 ? type.target : type;
}
function hasBaseType(type, checkBase) {
return check(type);
function check(type) {
var target = getTargetType(type);
return target === checkBase || ts.forEach(target.baseTypes, check);
}
}
function getTypeParametersOfClassOrInterface(symbol) {
var result;
ts.forEach(symbol.declarations, function (node) {
if (node.kind === 202 || node.kind === 201) {
var declaration = node;
if (declaration.typeParameters && declaration.typeParameters.length) {
ts.forEach(declaration.typeParameters, function (node) {
var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(node));
if (!result) {
result = [
tp
];
}
else if (!ts.contains(result, tp)) {
result.push(tp);
}
});
}
}
});
return result;
}
function getDeclaredTypeOfClass(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var type = links.declaredType = createObjectType(1024, symbol);
var typeParameters = getTypeParametersOfClassOrInterface(symbol);
if (typeParameters) {
type.flags |= 4096;
type.typeParameters = typeParameters;
type.instantiations = {};
type.instantiations[getTypeListId(type.typeParameters)] = type;
type.target = type;
type.typeArguments = type.typeParameters;
}
type.baseTypes = [];
var declaration = ts.getDeclarationOfKind(symbol, 201);
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(declaration);
if (baseTypeNode) {
var baseType = getTypeFromHeritageClauseElement(baseTypeNode);
if (baseType !== unknownType) {
if (getTargetType(baseType).flags & 1024) {
if (type !== baseType && !hasBaseType(baseType, type)) {
type.baseTypes.push(baseType);
}
else {
error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1));
}
}
else {
error(baseTypeNode, ts.Diagnostics.A_class_may_only_extend_another_class);
}
}
}
type.declaredProperties = getNamedMembers(symbol.members);
type.declaredCallSignatures = emptyArray;
type.declaredConstructSignatures = emptyArray;
type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0);
type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1);
}
return links.declaredType;
}
function getDeclaredTypeOfInterface(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var type = links.declaredType = createObjectType(2048, symbol);
var typeParameters = getTypeParametersOfClassOrInterface(symbol);
if (typeParameters) {
type.flags |= 4096;
type.typeParameters = typeParameters;
type.instantiations = {};
type.instantiations[getTypeListId(type.typeParameters)] = type;
type.target = type;
type.typeArguments = type.typeParameters;
}
type.baseTypes = [];
ts.forEach(symbol.declarations, function (declaration) {
if (declaration.kind === 202 && ts.getInterfaceBaseTypeNodes(declaration)) {
ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), function (node) {
var baseType = getTypeFromHeritageClauseElement(node);
if (baseType !== unknownType) {
if (getTargetType(baseType).flags & (1024 | 2048)) {
if (type !== baseType && !hasBaseType(baseType, type)) {
type.baseTypes.push(baseType);
}
else {
error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1));
}
}
else {
error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface);
}
}
});
}
});
type.declaredProperties = getNamedMembers(symbol.members);
type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]);
type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]);
type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0);
type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1);
}
return links.declaredType;
}
function getDeclaredTypeOfTypeAlias(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
links.declaredType = resolvingType;
var declaration = ts.getDeclarationOfKind(symbol, 203);
var type = getTypeFromTypeNodeOrHeritageClauseElement(declaration.type);
if (links.declaredType === resolvingType) {
links.declaredType = type;
}
}
else if (links.declaredType === resolvingType) {
links.declaredType = unknownType;
var declaration = ts.getDeclarationOfKind(symbol, 203);
error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol));
}
return links.declaredType;
}
function getDeclaredTypeOfEnum(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var type = createType(128);
type.symbol = symbol;
links.declaredType = type;
}
return links.declaredType;
}
function getDeclaredTypeOfTypeParameter(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var type = createType(512);
type.symbol = symbol;
if (!ts.getDeclarationOfKind(symbol, 128).constraint) {
type.constraint = noConstraintType;
}
links.declaredType = type;
}
return links.declaredType;
}
function getDeclaredTypeOfAlias(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol));
}
return links.declaredType;
}
function getDeclaredTypeOfSymbol(symbol) {
ts.Debug.assert((symbol.flags & 16777216) === 0);
if (symbol.flags & 32) {
return getDeclaredTypeOfClass(symbol);
}
if (symbol.flags & 64) {
return getDeclaredTypeOfInterface(symbol);
}
if (symbol.flags & 524288) {
return getDeclaredTypeOfTypeAlias(symbol);
}
if (symbol.flags & 384) {
return getDeclaredTypeOfEnum(symbol);
}
if (symbol.flags & 262144) {
return getDeclaredTypeOfTypeParameter(symbol);
}
if (symbol.flags & 8388608) {
return getDeclaredTypeOfAlias(symbol);
}
return unknownType;
}
function createSymbolTable(symbols) {
var result = {};
for (var _i = 0; _i < symbols.length; _i++) {
var symbol = symbols[_i];
result[symbol.name] = symbol;
}
return result;
}
function createInstantiatedSymbolTable(symbols, mapper) {
var result = {};
for (var _i = 0; _i < symbols.length; _i++) {
var symbol = symbols[_i];
result[symbol.name] = instantiateSymbol(symbol, mapper);
}
return result;
}
function addInheritedMembers(symbols, baseSymbols) {
for (var _i = 0; _i < baseSymbols.length; _i++) {
var s = baseSymbols[_i];
if (!ts.hasProperty(symbols, s.name)) {
symbols[s.name] = s;
}
}
}
function addInheritedSignatures(signatures, baseSignatures) {
if (baseSignatures) {
for (var _i = 0; _i < baseSignatures.length; _i++) {
var signature = baseSignatures[_i];
signatures.push(signature);
}
}
}
function resolveClassOrInterfaceMembers(type) {
var members = type.symbol.members;
var callSignatures = type.declaredCallSignatures;
var constructSignatures = type.declaredConstructSignatures;
var stringIndexType = type.declaredStringIndexType;
var numberIndexType = type.declaredNumberIndexType;
if (type.baseTypes.length) {
members = createSymbolTable(type.declaredProperties);
ts.forEach(type.baseTypes, function (baseType) {
addInheritedMembers(members, getPropertiesOfObjectType(baseType));
callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(baseType, 0));
constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(baseType, 1));
stringIndexType = stringIndexType || getIndexTypeOfType(baseType, 0);
numberIndexType = numberIndexType || getIndexTypeOfType(baseType, 1);
});
}
setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType);
}
function resolveTypeReferenceMembers(type) {
var target = type.target;
var mapper = createTypeMapper(target.typeParameters, type.typeArguments);
var members = createInstantiatedSymbolTable(target.declaredProperties, mapper);
var callSignatures = instantiateList(target.declaredCallSignatures, mapper, instantiateSignature);
var constructSignatures = instantiateList(target.declaredConstructSignatures, mapper, instantiateSignature);
var stringIndexType = target.declaredStringIndexType ? instantiateType(target.declaredStringIndexType, mapper) : undefined;
var numberIndexType = target.declaredNumberIndexType ? instantiateType(target.declaredNumberIndexType, mapper) : undefined;
ts.forEach(target.baseTypes, function (baseType) {
var instantiatedBaseType = instantiateType(baseType, mapper);
addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType));
callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0));
constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1));
stringIndexType = stringIndexType || getIndexTypeOfType(instantiatedBaseType, 0);
numberIndexType = numberIndexType || getIndexTypeOfType(instantiatedBaseType, 1);
});
setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType);
}
function createSignature(declaration, typeParameters, parameters, resolvedReturnType, minArgumentCount, hasRestParameter, hasStringLiterals) {
var sig = new Signature(checker);
sig.declaration = declaration;
sig.typeParameters = typeParameters;
sig.parameters = parameters;
sig.resolvedReturnType = resolvedReturnType;
sig.minArgumentCount = minArgumentCount;
sig.hasRestParameter = hasRestParameter;
sig.hasStringLiterals = hasStringLiterals;
return sig;
}
function cloneSignature(sig) {
return createSignature(sig.declaration, sig.typeParameters, sig.parameters, sig.resolvedReturnType, sig.minArgumentCount, sig.hasRestParameter, sig.hasStringLiterals);
}
function getDefaultConstructSignatures(classType) {
if (classType.baseTypes.length) {
var baseType = classType.baseTypes[0];
var baseSignatures = getSignaturesOfType(getTypeOfSymbol(baseType.symbol), 1);
return ts.map(baseSignatures, function (baseSignature) {
var signature = baseType.flags & 4096 ? getSignatureInstantiation(baseSignature, baseType.typeArguments) : cloneSignature(baseSignature);
signature.typeParameters = classType.typeParameters;
signature.resolvedReturnType = classType;
return signature;
});
}
return [
createSignature(undefined, classType.typeParameters, emptyArray, classType, 0, false, false)
];
}
function createTupleTypeMemberSymbols(memberTypes) {
var members = {};
for (var i = 0; i < memberTypes.length; i++) {
var symbol = createSymbol(4 | 67108864, "" + i);
symbol.type = memberTypes[i];
members[i] = symbol;
}
return members;
}
function resolveTupleTypeMembers(type) {
var arrayType = resolveObjectOrUnionTypeMembers(createArrayType(getUnionType(type.elementTypes)));
var members = createTupleTypeMemberSymbols(type.elementTypes);
addInheritedMembers(members, arrayType.properties);
setObjectTypeMembers(type, members, arrayType.callSignatures, arrayType.constructSignatures, arrayType.stringIndexType, arrayType.numberIndexType);
}
function signatureListsIdentical(s, t) {
if (s.length !== t.length) {
return false;
}
for (var i = 0; i < s.length; i++) {
if (!compareSignatures(s[i], t[i], false, compareTypes)) {
return false;
}
}
return true;
}
function getUnionSignatures(types, kind) {
var signatureLists = ts.map(types, function (t) {
return getSignaturesOfType(t, kind);
});
var signatures = signatureLists[0];
for (var _i = 0; _i < signatures.length; _i++) {
var signature = signatures[_i];
if (signature.typeParameters) {
return emptyArray;
}
}
for (var i_1 = 1; i_1 < signatureLists.length; i_1++) {
if (!signatureListsIdentical(signatures, signatureLists[i_1])) {
return emptyArray;
}
}
var result = ts.map(signatures, cloneSignature);
for (var i = 0; i < result.length; i++) {
var s = result[i];
s.resolvedReturnType = undefined;
s.unionSignatures = ts.map(signatureLists, function (signatures) {
return signatures[i];
});
}
return result;
}
function getUnionIndexType(types, kind) {
var indexTypes = [];
for (var _i = 0; _i < types.length; _i++) {
var type = types[_i];
var indexType = getIndexTypeOfType(type, kind);
if (!indexType) {
return undefined;
}
indexTypes.push(indexType);
}
return getUnionType(indexTypes);
}
function resolveUnionTypeMembers(type) {
var callSignatures = getUnionSignatures(type.types, 0);
var constructSignatures = getUnionSignatures(type.types, 1);
var stringIndexType = getUnionIndexType(type.types, 0);
var numberIndexType = getUnionIndexType(type.types, 1);
setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType);
}
function resolveAnonymousTypeMembers(type) {
var symbol = type.symbol;
var members;
var callSignatures;
var constructSignatures;
var stringIndexType;
var numberIndexType;
if (symbol.flags & 2048) {
members = symbol.members;
callSignatures = getSignaturesOfSymbol(members["__call"]);
constructSignatures = getSignaturesOfSymbol(members["__new"]);
stringIndexType = getIndexTypeOfSymbol(symbol, 0);
numberIndexType = getIndexTypeOfSymbol(symbol, 1);
}
else {
members = emptySymbols;
callSignatures = emptyArray;
constructSignatures = emptyArray;
if (symbol.flags & 1952) {
members = getExportsOfSymbol(symbol);
}
if (symbol.flags & (16 | 8192)) {
callSignatures = getSignaturesOfSymbol(symbol);
}
if (symbol.flags & 32) {
var classType = getDeclaredTypeOfClass(symbol);
constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]);
if (!constructSignatures.length) {
constructSignatures = getDefaultConstructSignatures(classType);
}
if (classType.baseTypes.length) {
members = createSymbolTable(getNamedMembers(members));
addInheritedMembers(members, getPropertiesOfObjectType(getTypeOfSymbol(classType.baseTypes[0].symbol)));
}
}
stringIndexType = undefined;
numberIndexType = (symbol.flags & 384) ? stringType : undefined;
}
setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType);
}
function resolveObjectOrUnionTypeMembers(type) {
if (!type.members) {
if (type.flags & (1024 | 2048)) {
resolveClassOrInterfaceMembers(type);
}
else if (type.flags & 32768) {
resolveAnonymousTypeMembers(type);
}
else if (type.flags & 8192) {
resolveTupleTypeMembers(type);
}
else if (type.flags & 16384) {
resolveUnionTypeMembers(type);
}
else {
resolveTypeReferenceMembers(type);
}
}
return type;
}
function getPropertiesOfObjectType(type) {
if (type.flags & 48128) {
return resolveObjectOrUnionTypeMembers(type).properties;
}
return emptyArray;
}
function getPropertyOfObjectType(type, name) {
if (type.flags & 48128) {
var resolved = resolveObjectOrUnionTypeMembers(type);
if (ts.hasProperty(resolved.members, name)) {
var symbol = resolved.members[name];
if (symbolIsValue(symbol)) {
return symbol;
}
}
}
}
function getPropertiesOfUnionType(type) {
var result = [];
ts.forEach(getPropertiesOfType(type.types[0]), function (prop) {
var unionProp = getPropertyOfUnionType(type, prop.name);
if (unionProp) {
result.push(unionProp);
}
});
return result;
}
function getPropertiesOfType(type) {
if (type.flags & 16384) {
return getPropertiesOfUnionType(type);
}
return getPropertiesOfObjectType(getApparentType(type));
}
function getApparentType(type) {
if (type.flags & 512) {
do {
type = getConstraintOfTypeParameter(type);
} while (type && type.flags & 512);
if (!type) {
type = emptyObjectType;
}
}
if (type.flags & 258) {
type = globalStringType;
}
else if (type.flags & 132) {
type = globalNumberType;
}
else if (type.flags & 8) {
type = globalBooleanType;
}
else if (type.flags & 1048576) {
type = globalESSymbolType;
}
return type;
}
function createUnionProperty(unionType, name) {
var types = unionType.types;
var props;
for (var _i = 0; _i < types.length; _i++) {
var current = types[_i];
var type = getApparentType(current);
if (type !== unknownType) {
var prop = getPropertyOfType(type, name);
if (!prop) {
return undefined;
}
if (!props) {
props = [
prop
];
}
else {
props.push(prop);
}
}
}
var propTypes = [];
var declarations = [];
for (var _a = 0; _a < props.length; _a++) {
var prop = props[_a];
if (prop.declarations) {
declarations.push.apply(declarations, prop.declarations);
}
propTypes.push(getTypeOfSymbol(prop));
}
var result = createSymbol(4 | 67108864 | 268435456, name);
result.unionType = unionType;
result.declarations = declarations;
result.type = getUnionType(propTypes);
return result;
}
function getPropertyOfUnionType(type, name) {
var properties = type.resolvedProperties || (type.resolvedProperties = {});
if (ts.hasProperty(properties, name)) {
return properties[name];
}
var property = createUnionProperty(type, name);
if (property) {
properties[name] = property;
}
return property;
}
function getPropertyOfType(type, name) {
if (type.flags & 16384) {
return getPropertyOfUnionType(type, name);
}
if (!(type.flags & 48128)) {
type = getApparentType(type);
if (!(type.flags & 48128)) {
return undefined;
}
}
var resolved = resolveObjectOrUnionTypeMembers(type);
if (ts.hasProperty(resolved.members, name)) {
var symbol = resolved.members[name];
if (symbolIsValue(symbol)) {
return symbol;
}
}
if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) {
var symbol = getPropertyOfObjectType(globalFunctionType, name);
if (symbol)
return symbol;
}
return getPropertyOfObjectType(globalObjectType, name);
}
function getSignaturesOfObjectOrUnionType(type, kind) {
if (type.flags & (48128 | 16384)) {
var resolved = resolveObjectOrUnionTypeMembers(type);
return kind === 0 ? resolved.callSignatures : resolved.constructSignatures;
}
return emptyArray;
}
function getSignaturesOfType(type, kind) {
return getSignaturesOfObjectOrUnionType(getApparentType(type), kind);
}
function getIndexTypeOfObjectOrUnionType(type, kind) {
if (type.flags & (48128 | 16384)) {
var resolved = resolveObjectOrUnionTypeMembers(type);
return kind === 0 ? resolved.stringIndexType : resolved.numberIndexType;
}
}
function getIndexTypeOfType(type, kind) {
return getIndexTypeOfObjectOrUnionType(getApparentType(type), kind);
}
function getTypeParametersFromDeclaration(typeParameterDeclarations) {
var result = [];
ts.forEach(typeParameterDeclarations, function (node) {
var tp = getDeclaredTypeOfTypeParameter(node.symbol);
if (!ts.contains(result, tp)) {
result.push(tp);
}
});
return result;
}
function symbolsToArray(symbols) {
var result = [];
for (var id in symbols) {
if (!isReservedMemberName(id)) {
result.push(symbols[id]);
}
}
return result;
}
function getExportsOfExternalModule(node) {
if (!node.moduleSpecifier) {
return emptyArray;
}
var module = resolveExternalModuleName(node, node.moduleSpecifier);
if (!module) {
return emptyArray;
}
return symbolsToArray(getExportsOfModule(module));
}
function getSignatureFromDeclaration(declaration) {
var links = getNodeLinks(declaration);
if (!links.resolvedSignature) {
var classType = declaration.kind === 135 ? getDeclaredTypeOfClass(declaration.parent.symbol) : undefined;
var typeParameters = classType ? classType.typeParameters : declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : undefined;
var parameters = [];
var hasStringLiterals = false;
var minArgumentCount = -1;
for (var i = 0, n = declaration.parameters.length; i < n; i++) {
var param = declaration.parameters[i];
parameters.push(param.symbol);
if (param.type && param.type.kind === 8) {
hasStringLiterals = true;
}
if (minArgumentCount < 0) {
if (param.initializer || param.questionToken || param.dotDotDotToken) {
minArgumentCount = i;
}
}
}
if (minArgumentCount < 0) {
minArgumentCount = declaration.parameters.length;
}
var returnType;
if (classType) {
returnType = classType;
}
else if (declaration.type) {
returnType = getTypeFromTypeNodeOrHeritageClauseElement(declaration.type);
}
else {
if (declaration.kind === 136 && !ts.hasDynamicName(declaration)) {
var setter = ts.getDeclarationOfKind(declaration.symbol, 137);
returnType = getAnnotatedAccessorType(setter);
}
if (!returnType && ts.nodeIsMissing(declaration.body)) {
returnType = anyType;
}
}
links.resolvedSignature = createSignature(declaration, typeParameters, parameters, returnType, minArgumentCount, ts.hasRestParameters(declaration), hasStringLiterals);
}
return links.resolvedSignature;
}
function getSignaturesOfSymbol(symbol) {
if (!symbol)
return emptyArray;
var result = [];
for (var i = 0, len = symbol.declarations.length; i < len; i++) {
var node = symbol.declarations[i];
switch (node.kind) {
case 142:
case 143:
case 200:
case 134:
case 133:
case 135:
case 138:
case 139:
case 140:
case 136:
case 137:
case 162:
case 163:
if (i > 0 && node.body) {
var previous = symbol.declarations[i - 1];
if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) {
break;
}
}
result.push(getSignatureFromDeclaration(node));
}
}
return result;
}
function getReturnTypeOfSignature(signature) {
if (!signature.resolvedReturnType) {
signature.resolvedReturnType = resolvingType;
var type;
if (signature.target) {
type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper);
}
else if (signature.unionSignatures) {
type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature));
}
else {
type = getReturnTypeFromBody(signature.declaration);
}
if (signature.resolvedReturnType === resolvingType) {
signature.resolvedReturnType = type;
}
}
else if (signature.resolvedReturnType === resolvingType) {
signature.resolvedReturnType = anyType;
if (compilerOptions.noImplicitAny) {
var declaration = signature.declaration;
if (declaration.name) {
error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name));
}
else {
error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions);
}
}
}
return signature.resolvedReturnType;
}
function getRestTypeOfSignature(signature) {
if (signature.hasRestParameter) {
var type = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]);
if (type.flags & 4096 && type.target === globalArrayType) {
return type.typeArguments[0];
}
}
return anyType;
}
function getSignatureInstantiation(signature, typeArguments) {
return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true);
}
function getErasedSignature(signature) {
if (!signature.typeParameters)
return signature;
if (!signature.erasedSignatureCache) {
if (signature.target) {
signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper);
}
else {
signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true);
}
}
return signature.erasedSignatureCache;
}
function getOrCreateTypeFromSignature(signature) {
if (!signature.isolatedSignatureType) {
var isConstructor = signature.declaration.kind === 135 || signature.declaration.kind === 139;
var type = createObjectType(32768 | 65536);
type.members = emptySymbols;
type.properties = emptyArray;
type.callSignatures = !isConstructor ? [
signature
] : emptyArray;
type.constructSignatures = isConstructor ? [
signature
] : emptyArray;
signature.isolatedSignatureType = type;
}
return signature.isolatedSignatureType;
}
function getIndexSymbol(symbol) {
return symbol.members["__index"];
}
function getIndexDeclarationOfSymbol(symbol, kind) {
var syntaxKind = kind === 1 ? 119 : 121;
var indexSymbol = getIndexSymbol(symbol);
if (indexSymbol) {
var len = indexSymbol.declarations.length;
for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) {
var decl = _a[_i];
var node = decl;
if (node.parameters.length === 1) {
var parameter = node.parameters[0];
if (parameter && parameter.type && parameter.type.kind === syntaxKind) {
return node;
}
}
}
}
return undefined;
}
function getIndexTypeOfSymbol(symbol, kind) {
var declaration = getIndexDeclarationOfSymbol(symbol, kind);
return declaration ? declaration.type ? getTypeFromTypeNodeOrHeritageClauseElement(declaration.type) : anyType : undefined;
}
function getConstraintOfTypeParameter(type) {
if (!type.constraint) {
if (type.target) {
var targetConstraint = getConstraintOfTypeParameter(type.target);
type.constraint = targetConstraint ? instantiateType(targetConstraint, type.mapper) : noConstraintType;
}
else {
type.constraint = getTypeFromTypeNodeOrHeritageClauseElement(ts.getDeclarationOfKind(type.symbol, 128).constraint);
}
}
return type.constraint === noConstraintType ? undefined : type.constraint;
}
function getTypeListId(types) {
switch (types.length) {
case 1:
return "" + types[0].id;
case 2:
return types[0].id + "," + types[1].id;
default:
var result = "";
for (var i = 0; i < types.length; i++) {
if (i > 0) {
result += ",";
}
result += types[i].id;
}
return result;
}
}
function getWideningFlagsOfTypes(types) {
var result = 0;
for (var _i = 0; _i < types.length; _i++) {
var type = types[_i];
result |= type.flags;
}
return result & 786432;
}
function createTypeReference(target, typeArguments) {
var id = getTypeListId(typeArguments);
var type = target.instantiations[id];
if (!type) {
var flags = 4096 | getWideningFlagsOfTypes(typeArguments);
type = target.instantiations[id] = createObjectType(flags, target.symbol);
type.target = target;
type.typeArguments = typeArguments;
}
return type;
}
function isTypeParameterReferenceIllegalInConstraint(typeReferenceNode, typeParameterSymbol) {
var links = getNodeLinks(typeReferenceNode);
if (links.isIllegalTypeReferenceInConstraint !== undefined) {
return links.isIllegalTypeReferenceInConstraint;
}
var currentNode = typeReferenceNode;
while (!ts.forEach(typeParameterSymbol.declarations, function (d) {
return d.parent === currentNode.parent;
})) {
currentNode = currentNode.parent;
}
links.isIllegalTypeReferenceInConstraint = currentNode.kind === 128;
return links.isIllegalTypeReferenceInConstraint;
}
function checkTypeParameterHasIllegalReferencesInConstraint(typeParameter) {
var typeParameterSymbol;
function check(n) {
if (n.kind === 141 && n.typeName.kind === 65) {
var links = getNodeLinks(n);
if (links.isIllegalTypeReferenceInConstraint === undefined) {
var symbol = resolveName(typeParameter, n.typeName.text, 793056, undefined, undefined);
if (symbol && (symbol.flags & 262144)) {
links.isIllegalTypeReferenceInConstraint = ts.forEach(symbol.declarations, function (d) {
return d.parent == typeParameter.parent;
});
}
}
if (links.isIllegalTypeReferenceInConstraint) {
error(typeParameter, ts.Diagnostics.Constraint_of_a_type_parameter_cannot_reference_any_type_parameter_from_the_same_type_parameter_list);
}
}
ts.forEachChild(n, check);
}
if (typeParameter.constraint) {
typeParameterSymbol = getSymbolOfNode(typeParameter);
check(typeParameter.constraint);
}
}
function getTypeFromTypeReference(node) {
return getTypeFromTypeReferenceOrHeritageClauseElement(node);
}
function getTypeFromHeritageClauseElement(node) {
return getTypeFromTypeReferenceOrHeritageClauseElement(node);
}
function getTypeFromTypeReferenceOrHeritageClauseElement(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
var type;
if (node.kind !== 177 || ts.isSupportedHeritageClauseElement(node)) {
var typeNameOrExpression = node.kind === 141 ? node.typeName : node.expression;
var symbol = resolveEntityName(typeNameOrExpression, 793056);
if (symbol) {
if ((symbol.flags & 262144) && isTypeParameterReferenceIllegalInConstraint(node, symbol)) {
type = unknownType;
}
else {
type = getDeclaredTypeOfSymbol(symbol);
if (type.flags & (1024 | 2048) && type.flags & 4096) {
var typeParameters = type.typeParameters;
if (node.typeArguments && node.typeArguments.length === typeParameters.length) {
type = createTypeReference(type, ts.map(node.typeArguments, getTypeFromTypeNodeOrHeritageClauseElement));
}
else {
error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1), typeParameters.length);
type = undefined;
}
}
else {
if (node.typeArguments) {
error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type));
type = undefined;
}
}
}
}
}
links.resolvedType = type || unknownType;
}
return links.resolvedType;
}
function getTypeFromTypeQueryNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = getWidenedType(checkExpressionOrQualifiedName(node.exprName));
}
return links.resolvedType;
}
function getTypeOfGlobalSymbol(symbol, arity) {
function getTypeDeclaration(symbol) {
var declarations = symbol.declarations;
for (var _i = 0; _i < declarations.length; _i++) {
var declaration = declarations[_i];
switch (declaration.kind) {
case 201:
case 202:
case 204:
return declaration;
}
}
}
if (!symbol) {
return emptyObjectType;
}
var type = getDeclaredTypeOfSymbol(symbol);
if (!(type.flags & 48128)) {
error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name);
return emptyObjectType;
}
if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) {
error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity);
return emptyObjectType;
}
return type;
}
function getGlobalValueSymbol(name) {
return getGlobalSymbol(name, 107455, ts.Diagnostics.Cannot_find_global_value_0);
}
function getGlobalTypeSymbol(name) {
return getGlobalSymbol(name, 793056, ts.Diagnostics.Cannot_find_global_type_0);
}
function getGlobalSymbol(name, meaning, diagnostic) {
return resolveName(undefined, name, meaning, diagnostic, name);
}
function getGlobalType(name, arity) {
if (arity === void 0) { arity = 0; }
return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity);
}
function getGlobalESSymbolConstructorSymbol() {
return globalESSymbolConstructorSymbol || (globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol"));
}
function createArrayType(elementType) {
var arrayType = globalArrayType || getDeclaredTypeOfSymbol(globalArraySymbol);
return arrayType !== emptyObjectType ? createTypeReference(arrayType, [
elementType
]) : emptyObjectType;
}
function getTypeFromArrayTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = createArrayType(getTypeFromTypeNodeOrHeritageClauseElement(node.elementType));
}
return links.resolvedType;
}
function createTupleType(elementTypes) {
var id = getTypeListId(elementTypes);
var type = tupleTypes[id];
if (!type) {
type = tupleTypes[id] = createObjectType(8192);
type.elementTypes = elementTypes;
}
return type;
}
function getTypeFromTupleTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNodeOrHeritageClauseElement));
}
return links.resolvedType;
}
function addTypeToSortedSet(sortedSet, type) {
if (type.flags & 16384) {
addTypesToSortedSet(sortedSet, type.types);
}
else {
var i = 0;
var id = type.id;
while (i < sortedSet.length && sortedSet[i].id < id) {
i++;
}
if (i === sortedSet.length || sortedSet[i].id !== id) {
sortedSet.splice(i, 0, type);
}
}
}
function addTypesToSortedSet(sortedTypes, types) {
for (var _i = 0; _i < types.length; _i++) {
var type = types[_i];
addTypeToSortedSet(sortedTypes, type);
}
}
function isSubtypeOfAny(candidate, types) {
for (var _i = 0; _i < types.length; _i++) {
var type = types[_i];
if (candidate !== type && isTypeSubtypeOf(candidate, type)) {
return true;
}
}
return false;
}
function removeSubtypes(types) {
var i = types.length;
while (i > 0) {
i--;
if (isSubtypeOfAny(types[i], types)) {
types.splice(i, 1);
}
}
}
function containsAnyType(types) {
for (var _i = 0; _i < types.length; _i++) {
var type = types[_i];
if (type.flags & 1) {
return true;
}
}
return false;
}
function removeAllButLast(types, typeToRemove) {
var i = types.length;
while (i > 0 && types.length > 1) {
i--;
if (types[i] === typeToRemove) {
types.splice(i, 1);
}
}
}
function getUnionType(types, noSubtypeReduction) {
if (types.length === 0) {
return emptyObjectType;
}
var sortedTypes = [];
addTypesToSortedSet(sortedTypes, types);
if (noSubtypeReduction) {
if (containsAnyType(sortedTypes)) {
return anyType;
}
removeAllButLast(sortedTypes, undefinedType);
removeAllButLast(sortedTypes, nullType);
}
else {
removeSubtypes(sortedTypes);
}
if (sortedTypes.length === 1) {
return sortedTypes[0];
}
var id = getTypeListId(sortedTypes);
var type = unionTypes[id];
if (!type) {
type = unionTypes[id] = createObjectType(16384 | getWideningFlagsOfTypes(sortedTypes));
type.types = sortedTypes;
}
return type;
}
function getTypeFromUnionTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNodeOrHeritageClauseElement), true);
}
return links.resolvedType;
}
function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = createObjectType(32768, node.symbol);
}
return links.resolvedType;
}
function getStringLiteralType(node) {
if (ts.hasProperty(stringLiteralTypes, node.text)) {
return stringLiteralTypes[node.text];
}
var type = stringLiteralTypes[node.text] = createType(256);
type.text = ts.getTextOfNode(node);
return type;
}
function getTypeFromStringLiteral(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = getStringLiteralType(node);
}
return links.resolvedType;
}
function getTypeFromTypeNodeOrHeritageClauseElement(node) {
switch (node.kind) {
case 112:
return anyType;
case 121:
return stringType;
case 119:
return numberType;
case 113:
return booleanType;
case 122:
return esSymbolType;
case 99:
return voidType;
case 8:
return getTypeFromStringLiteral(node);
case 141:
return getTypeFromTypeReference(node);
case 177:
return getTypeFromHeritageClauseElement(node);
case 144:
return getTypeFromTypeQueryNode(node);
case 146:
return getTypeFromArrayTypeNode(node);
case 147:
return getTypeFromTupleTypeNode(node);
case 148:
return getTypeFromUnionTypeNode(node);
case 149:
return getTypeFromTypeNodeOrHeritageClauseElement(node.type);
case 142:
case 143:
case 145:
return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node);
case 65:
case 126:
var symbol = getSymbolInfo(node);
return symbol && getDeclaredTypeOfSymbol(symbol);
default:
return unknownType;
}
}
function instantiateList(items, mapper, instantiator) {
if (items && items.length) {
var result = [];
for (var _i = 0; _i < items.length; _i++) {
var v = items[_i];
result.push(instantiator(v, mapper));
}
return result;
}
return items;
}
function createUnaryTypeMapper(source, target) {
return function (t) {
return t === source ? target : t;
};
}
function createBinaryTypeMapper(source1, target1, source2, target2) {
return function (t) {
return t === source1 ? target1 : t === source2 ? target2 : t;
};
}
function createTypeMapper(sources, targets) {
switch (sources.length) {
case 1:
return createUnaryTypeMapper(sources[0], targets[0]);
case 2:
return createBinaryTypeMapper(sources[0], targets[0], sources[1], targets[1]);
}
return function (t) {
for (var i = 0; i < sources.length; i++) {
if (t === sources[i]) {
return targets[i];
}
}
return t;
};
}
function createUnaryTypeEraser(source) {
return function (t) {
return t === source ? anyType : t;
};
}
function createBinaryTypeEraser(source1, source2) {
return function (t) {
return t === source1 || t === source2 ? anyType : t;
};
}
function createTypeEraser(sources) {
switch (sources.length) {
case 1:
return createUnaryTypeEraser(sources[0]);
case 2:
return createBinaryTypeEraser(sources[0], sources[1]);
}
return function (t) {
for (var _i = 0; _i < sources.length; _i++) {
var source = sources[_i];
if (t === source) {
return anyType;
}
}
return t;
};
}
function createInferenceMapper(context) {
return function (t) {
for (var i = 0; i < context.typeParameters.length; i++) {
if (t === context.typeParameters[i]) {
context.inferences[i].isFixed = true;
return getInferredType(context, i);
}
}
return t;
};
}
function identityMapper(type) {
return type;
}
function combineTypeMappers(mapper1, mapper2) {
return function (t) {
return mapper2(mapper1(t));
};
}
function instantiateTypeParameter(typeParameter, mapper) {
var result = createType(512);
result.symbol = typeParameter.symbol;
if (typeParameter.constraint) {
result.constraint = instantiateType(typeParameter.constraint, mapper);
}
else {
result.target = typeParameter;
result.mapper = mapper;
}
return result;
}
function instantiateSignature(signature, mapper, eraseTypeParameters) {
var freshTypeParameters;
if (signature.typeParameters && !eraseTypeParameters) {
freshTypeParameters = instantiateList(signature.typeParameters, mapper, instantiateTypeParameter);
mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper);
}
var result = createSignature(signature.declaration, freshTypeParameters, instantiateList(signature.parameters, mapper, instantiateSymbol), signature.resolvedReturnType ? instantiateType(signature.resolvedReturnType, mapper) : undefined, signature.minArgumentCount, signature.hasRestParameter, signature.hasStringLiterals);
result.target = signature;
result.mapper = mapper;
return result;
}
function instantiateSymbol(symbol, mapper) {
if (symbol.flags & 16777216) {
var links = getSymbolLinks(symbol);
symbol = links.target;
mapper = combineTypeMappers(links.mapper, mapper);
}
var result = createSymbol(16777216 | 67108864 | symbol.flags, symbol.name);
result.declarations = symbol.declarations;
result.parent = symbol.parent;
result.target = symbol;
result.mapper = mapper;
if (symbol.valueDeclaration) {
result.valueDeclaration = symbol.valueDeclaration;
}
return result;
}
function instantiateAnonymousType(type, mapper) {
var result = createObjectType(32768, type.symbol);
result.properties = instantiateList(getPropertiesOfObjectType(type), mapper, instantiateSymbol);
result.members = createSymbolTable(result.properties);
result.callSignatures = instantiateList(getSignaturesOfType(type, 0), mapper, instantiateSignature);
result.constructSignatures = instantiateList(getSignaturesOfType(type, 1), mapper, instantiateSignature);
var stringIndexType = getIndexTypeOfType(type, 0);
var numberIndexType = getIndexTypeOfType(type, 1);
if (stringIndexType)
result.stringIndexType = instantiateType(stringIndexType, mapper);
if (numberIndexType)
result.numberIndexType = instantiateType(numberIndexType, mapper);
return result;
}
function instantiateType(type, mapper) {
if (mapper !== identityMapper) {
if (type.flags & 512) {
return mapper(type);
}
if (type.flags & 32768) {
return type.symbol && type.symbol.flags & (16 | 8192 | 2048 | 4096) ? instantiateAnonymousType(type, mapper) : type;
}
if (type.flags & 4096) {
return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType));
}
if (type.flags & 8192) {
return createTupleType(instantiateList(type.elementTypes, mapper, instantiateType));
}
if (type.flags & 16384) {
return getUnionType(instantiateList(type.types, mapper, instantiateType), true);
}
}
return type;
}
function isContextSensitive(node) {
ts.Debug.assert(node.kind !== 134 || ts.isObjectLiteralMethod(node));
switch (node.kind) {
case 162:
case 163:
return isContextSensitiveFunctionLikeDeclaration(node);
case 154:
return ts.forEach(node.properties, isContextSensitive);
case 153:
return ts.forEach(node.elements, isContextSensitive);
case 170:
return isContextSensitive(node.whenTrue) || isContextSensitive(node.whenFalse);
case 169:
return node.operatorToken.kind === 49 && (isContextSensitive(node.left) || isContextSensitive(node.right));
case 224:
return isContextSensitive(node.initializer);
case 134:
case 133:
return isContextSensitiveFunctionLikeDeclaration(node);
case 161:
return isContextSensitive(node.expression);
}
return false;
}
function isContextSensitiveFunctionLikeDeclaration(node) {
return !node.typeParameters && node.parameters.length && !ts.forEach(node.parameters, function (p) {
return p.type;
});
}
function getTypeWithoutConstructors(type) {
if (type.flags & 48128) {
var resolved = resolveObjectOrUnionTypeMembers(type);
if (resolved.constructSignatures.length) {
var result = createObjectType(32768, type.symbol);
result.members = resolved.members;
result.properties = resolved.properties;
result.callSignatures = resolved.callSignatures;
result.constructSignatures = emptyArray;
type = result;
}
}
return type;
}
var subtypeRelation = {};
var assignableRelation = {};
var identityRelation = {};
function isTypeIdenticalTo(source, target) {
return checkTypeRelatedTo(source, target, identityRelation, undefined);
}
function compareTypes(source, target) {
return checkTypeRelatedTo(source, target, identityRelation, undefined) ? -1 : 0;
}
function isTypeSubtypeOf(source, target) {
return checkTypeSubtypeOf(source, target, undefined);
}
function isTypeAssignableTo(source, target) {
return checkTypeAssignableTo(source, target, undefined);
}
function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) {
return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain);
}
function checkTypeAssignableTo(source, target, errorNode, headMessage) {
return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage);
}
function isSignatureAssignableTo(source, target) {
var sourceType = getOrCreateTypeFromSignature(source);
var targetType = getOrCreateTypeFromSignature(target);
return checkTypeRelatedTo(sourceType, targetType, assignableRelation, undefined);
}
function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) {
var errorInfo;
var sourceStack;
var targetStack;
var maybeStack;
var expandingFlags;
var depth = 0;
var overflow = false;
var elaborateErrors = false;
ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking");
var result = isRelatedTo(source, target, errorNode !== undefined, headMessage);
if (overflow) {
error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target));
}
else if (errorInfo) {
if (errorInfo.next === undefined) {
errorInfo = undefined;
elaborateErrors = true;
isRelatedTo(source, target, errorNode !== undefined, headMessage);
}
if (containingMessageChain) {
errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo);
}
diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo));
}
return result !== 0;
function reportError(message, arg0, arg1, arg2) {
errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2);
}
function isRelatedTo(source, target, reportErrors, headMessage) {
var result;
if (source === target)
return -1;
if (relation !== identityRelation) {
if (target.flags & 1)
return -1;
if (source === undefinedType)
return -1;
if (source === nullType && target !== undefinedType)
return -1;
if (source.flags & 128 && target === numberType)
return -1;
if (source.flags & 256 && target === stringType)
return -1;
if (relation === assignableRelation) {
if (source.flags & 1)
return -1;
if (source === numberType && target.flags & 128)
return -1;
}
}
if (source.flags & 16384 || target.flags & 16384) {
if (relation === identityRelation) {
if (source.flags & 16384 && target.flags & 16384) {
if (result = unionTypeRelatedToUnionType(source, target)) {
if (result &= unionTypeRelatedToUnionType(target, source)) {
return result;
}
}
}
else if (source.flags & 16384) {
if (result = unionTypeRelatedToType(source, target, reportErrors)) {
return result;
}
}
else {
if (result = unionTypeRelatedToType(target, source, reportErrors)) {
return result;
}
}
}
else {
if (source.flags & 16384) {
if (result = unionTypeRelatedToType(source, target, reportErrors)) {
return result;
}
}
else {
if (result = typeRelatedToUnionType(source, target, reportErrors)) {
return result;
}
}
}
}
else if (source.flags & 512 && target.flags & 512) {
if (result = typeParameterRelatedTo(source, target, reportErrors)) {
return result;
}
}
else {
var saveErrorInfo = errorInfo;
if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) {
if (result = typesRelatedTo(source.typeArguments, target.typeArguments, reportErrors)) {
return result;
}
}
var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo;
var sourceOrApparentType = relation === identityRelation ? source : getApparentType(source);
if (sourceOrApparentType.flags & 48128 && target.flags & 48128 && (result = objectTypeRelatedTo(sourceOrApparentType, target, reportStructuralErrors))) {
errorInfo = saveErrorInfo;
return result;
}
}
if (reportErrors) {
headMessage = headMessage || ts.Diagnostics.Type_0_is_not_assignable_to_type_1;
var sourceType = typeToString(source);
var targetType = typeToString(target);
if (sourceType === targetType) {
sourceType = typeToString(source, undefined, 128);
targetType = typeToString(target, undefined, 128);
}
reportError(headMessage, sourceType, targetType);
}
return 0;
}
function unionTypeRelatedToUnionType(source, target) {
var result = -1;
var sourceTypes = source.types;
for (var _i = 0; _i < sourceTypes.length; _i++) {
var sourceType = sourceTypes[_i];
var related = typeRelatedToUnionType(sourceType, target, false);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function typeRelatedToUnionType(source, target, reportErrors) {
var targetTypes = target.types;
for (var i = 0, len = targetTypes.length; i < len; i++) {
var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1);
if (related) {
return related;
}
}
return 0;
}
function unionTypeRelatedToType(source, target, reportErrors) {
var result = -1;
var sourceTypes = source.types;
for (var _i = 0; _i < sourceTypes.length; _i++) {
var sourceType = sourceTypes[_i];
var related = isRelatedTo(sourceType, target, reportErrors);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function typesRelatedTo(sources, targets, reportErrors) {
var result = -1;
for (var i = 0, len = sources.length; i < len; i++) {
var related = isRelatedTo(sources[i], targets[i], reportErrors);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function typeParameterRelatedTo(source, target, reportErrors) {
if (relation === identityRelation) {
if (source.symbol.name !== target.symbol.name) {
return 0;
}
if (source.constraint === target.constraint) {
return -1;
}
if (source.constraint === noConstraintType || target.constraint === noConstraintType) {
return 0;
}
return isRelatedTo(source.constraint, target.constraint, reportErrors);
}
else {
while (true) {
var constraint = getConstraintOfTypeParameter(source);
if (constraint === target)
return -1;
if (!(constraint && constraint.flags & 512))
break;
source = constraint;
}
return 0;
}
}
function objectTypeRelatedTo(source, target, reportErrors) {
if (overflow) {
return 0;
}
var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id;
var related = relation[id];
if (related !== undefined) {
if (!elaborateErrors || (related === 3)) {
return related === 1 ? -1 : 0;
}
}
if (depth > 0) {
for (var i = 0; i < depth; i++) {
if (maybeStack[i][id]) {
return 1;
}
}
if (depth === 100) {
overflow = true;
return 0;
}
}
else {
sourceStack = [];
targetStack = [];
maybeStack = [];
expandingFlags = 0;
}
sourceStack[depth] = source;
targetStack[depth] = target;
maybeStack[depth] = {};
maybeStack[depth][id] = 1;
depth++;
var saveExpandingFlags = expandingFlags;
if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack))
expandingFlags |= 1;
if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack))
expandingFlags |= 2;
var result;
if (expandingFlags === 3) {
result = 1;
}
else {
result = propertiesRelatedTo(source, target, reportErrors);
if (result) {
result &= signaturesRelatedTo(source, target, 0, reportErrors);
if (result) {
result &= signaturesRelatedTo(source, target, 1, reportErrors);
if (result) {
result &= stringIndexTypesRelatedTo(source, target, reportErrors);
if (result) {
result &= numberIndexTypesRelatedTo(source, target, reportErrors);
}
}
}
}
}
expandingFlags = saveExpandingFlags;
depth--;
if (result) {
var maybeCache = maybeStack[depth];
var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1];
ts.copyMap(maybeCache, destinationCache);
}
else {
relation[id] = reportErrors ? 3 : 2;
}
return result;
}
function isDeeplyNestedGeneric(type, stack) {
if (type.flags & 4096 && depth >= 10) {
var target_1 = type.target;
var count = 0;
for (var i = 0; i < depth; i++) {
var t = stack[i];
if (t.flags & 4096 && t.target === target_1) {
count++;
if (count >= 10)
return true;
}
}
}
return false;
}
function propertiesRelatedTo(source, target, reportErrors) {
if (relation === identityRelation) {
return propertiesIdenticalTo(source, target);
}
var result = -1;
var properties = getPropertiesOfObjectType(target);
var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 131072);
for (var _i = 0; _i < properties.length; _i++) {
var targetProp = properties[_i];
var sourceProp = getPropertyOfType(source, targetProp.name);
if (sourceProp !== targetProp) {
if (!sourceProp) {
if (!(targetProp.flags & 536870912) || requireOptionalProperties) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source));
}
return 0;
}
}
else if (!(targetProp.flags & 134217728)) {
var sourceFlags = getDeclarationFlagsFromSymbol(sourceProp);
var targetFlags = getDeclarationFlagsFromSymbol(targetProp);
if (sourceFlags & 32 || targetFlags & 32) {
if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) {
if (reportErrors) {
if (sourceFlags & 32 && targetFlags & 32) {
reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp));
}
else {
reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourceFlags & 32 ? source : target), typeToString(sourceFlags & 32 ? target : source));
}
}
return 0;
}
}
else if (targetFlags & 64) {
var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32;
var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(sourceProp.parent) : undefined;
var targetClass = getDeclaredTypeOfSymbol(targetProp.parent);
if (!sourceClass || !hasBaseType(sourceClass, targetClass)) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass));
}
return 0;
}
}
else if (sourceFlags & 64) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target));
}
return 0;
}
var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors);
if (!related) {
if (reportErrors) {
reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp));
}
return 0;
}
result &= related;
if (sourceProp.flags & 536870912 && !(targetProp.flags & 536870912)) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target));
}
return 0;
}
}
}
}
return result;
}
function propertiesIdenticalTo(source, target) {
var sourceProperties = getPropertiesOfObjectType(source);
var targetProperties = getPropertiesOfObjectType(target);
if (sourceProperties.length !== targetProperties.length) {
return 0;
}
var result = -1;
for (var _i = 0; _i < sourceProperties.length; _i++) {
var sourceProp = sourceProperties[_i];
var targetProp = getPropertyOfObjectType(target, sourceProp.name);
if (!targetProp) {
return 0;
}
var related = compareProperties(sourceProp, targetProp, isRelatedTo);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function signaturesRelatedTo(source, target, kind, reportErrors) {
if (relation === identityRelation) {
return signaturesIdenticalTo(source, target, kind);
}
if (target === anyFunctionType || source === anyFunctionType) {
return -1;
}
var sourceSignatures = getSignaturesOfType(source, kind);
var targetSignatures = getSignaturesOfType(target, kind);
var result = -1;
var saveErrorInfo = errorInfo;
outer: for (var _i = 0; _i < targetSignatures.length; _i++) {
var t = targetSignatures[_i];
if (!t.hasStringLiterals || target.flags & 65536) {
var localErrors = reportErrors;
for (var _a = 0; _a < sourceSignatures.length; _a++) {
var s = sourceSignatures[_a];
if (!s.hasStringLiterals || source.flags & 65536) {
var related = signatureRelatedTo(s, t, localErrors);
if (related) {
result &= related;
errorInfo = saveErrorInfo;
continue outer;
}
localErrors = false;
}
}
return 0;
}
}
return result;
}
function signatureRelatedTo(source, target, reportErrors) {
if (source === target) {
return -1;
}
if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) {
return 0;
}
var sourceMax = source.parameters.length;
var targetMax = target.parameters.length;
var checkCount;
if (source.hasRestParameter && target.hasRestParameter) {
checkCount = sourceMax > targetMax ? sourceMax : targetMax;
sourceMax--;
targetMax--;
}
else if (source.hasRestParameter) {
sourceMax--;
checkCount = targetMax;
}
else if (target.hasRestParameter) {
targetMax--;
checkCount = sourceMax;
}
else {
checkCount = sourceMax < targetMax ? sourceMax : targetMax;
}
source = getErasedSignature(source);
target = getErasedSignature(target);
var result = -1;
for (var i = 0; i < checkCount; i++) {
var s_1 = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source);
var t_1 = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target);
var saveErrorInfo = errorInfo;
var related = isRelatedTo(s_1, t_1, reportErrors);
if (!related) {
related = isRelatedTo(t_1, s_1, false);
if (!related) {
if (reportErrors) {
reportError(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, source.parameters[i < sourceMax ? i : sourceMax].name, target.parameters[i < targetMax ? i : targetMax].name);
}
return 0;
}
errorInfo = saveErrorInfo;
}
result &= related;
}
var t = getReturnTypeOfSignature(target);
if (t === voidType)
return result;
var s = getReturnTypeOfSignature(source);
return result & isRelatedTo(s, t, reportErrors);
}
function signaturesIdenticalTo(source, target, kind) {
var sourceSignatures = getSignaturesOfType(source, kind);
var targetSignatures = getSignaturesOfType(target, kind);
if (sourceSignatures.length !== targetSignatures.length) {
return 0;
}
var result = -1;
for (var i = 0, len = sourceSignatures.length; i < len; ++i) {
var related = compareSignatures(sourceSignatures[i], targetSignatures[i], true, isRelatedTo);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function stringIndexTypesRelatedTo(source, target, reportErrors) {
if (relation === identityRelation) {
return indexTypesIdenticalTo(0, source, target);
}
var targetType = getIndexTypeOfType(target, 0);
if (targetType) {
var sourceType = getIndexTypeOfType(source, 0);
if (!sourceType) {
if (reportErrors) {
reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source));
}
return 0;
}
var related = isRelatedTo(sourceType, targetType, reportErrors);
if (!related) {
if (reportErrors) {
reportError(ts.Diagnostics.Index_signatures_are_incompatible);
}
return 0;
}
return related;
}
return -1;
}
function numberIndexTypesRelatedTo(source, target, reportErrors) {
if (relation === identityRelation) {
return indexTypesIdenticalTo(1, source, target);
}
var targetType = getIndexTypeOfType(target, 1);
if (targetType) {
var sourceStringType = getIndexTypeOfType(source, 0);
var sourceNumberType = getIndexTypeOfType(source, 1);
if (!(sourceStringType || sourceNumberType)) {
if (reportErrors) {
reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source));
}
return 0;
}
var related;
if (sourceStringType && sourceNumberType) {
related = isRelatedTo(sourceStringType, targetType, false) || isRelatedTo(sourceNumberType, targetType, reportErrors);
}
else {
related = isRelatedTo(sourceStringType || sourceNumberType, targetType, reportErrors);
}
if (!related) {
if (reportErrors) {
reportError(ts.Diagnostics.Index_signatures_are_incompatible);
}
return 0;
}
return related;
}
return -1;
}
function indexTypesIdenticalTo(indexKind, source, target) {
var targetType = getIndexTypeOfType(target, indexKind);
var sourceType = getIndexTypeOfType(source, indexKind);
if (!sourceType && !targetType) {
return -1;
}
if (sourceType && targetType) {
return isRelatedTo(sourceType, targetType);
}
return 0;
}
}
function isPropertyIdenticalTo(sourceProp, targetProp) {
return compareProperties(sourceProp, targetProp, compareTypes) !== 0;
}
function compareProperties(sourceProp, targetProp, compareTypes) {
if (sourceProp === targetProp) {
return -1;
}
var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (32 | 64);
var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (32 | 64);
if (sourcePropAccessibility !== targetPropAccessibility) {
return 0;
}
if (sourcePropAccessibility) {
if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) {
return 0;
}
}
else {
if ((sourceProp.flags & 536870912) !== (targetProp.flags & 536870912)) {
return 0;
}
}
return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp));
}
function compareSignatures(source, target, compareReturnTypes, compareTypes) {
if (source === target) {
return -1;
}
if (source.parameters.length !== target.parameters.length || source.minArgumentCount !== target.minArgumentCount || source.hasRestParameter !== target.hasRestParameter) {
return 0;
}
var result = -1;
if (source.typeParameters && target.typeParameters) {
if (source.typeParameters.length !== target.typeParameters.length) {
return 0;
}
for (var i = 0, len = source.typeParameters.length; i < len; ++i) {
var related = compareTypes(source.typeParameters[i], target.typeParameters[i]);
if (!related) {
return 0;
}
result &= related;
}
}
else if (source.typeParameters || target.typeParameters) {
return 0;
}
source = getErasedSignature(source);
target = getErasedSignature(target);
for (var i = 0, len = source.parameters.length; i < len; i++) {
var s = source.hasRestParameter && i === len - 1 ? getRestTypeOfSignature(source) : getTypeOfSymbol(source.parameters[i]);
var t = target.hasRestParameter && i === len - 1 ? getRestTypeOfSignature(target) : getTypeOfSymbol(target.parameters[i]);
var related = compareTypes(s, t);
if (!related) {
return 0;
}
result &= related;
}
if (compareReturnTypes) {
result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target));
}
return result;
}
function isSupertypeOfEach(candidate, types) {
for (var _i = 0; _i < types.length; _i++) {
var type = types[_i];
if (candidate !== type && !isTypeSubtypeOf(type, candidate))
return false;
}
return true;
}
function getCommonSupertype(types) {
return ts.forEach(types, function (t) {
return isSupertypeOfEach(t, types) ? t : undefined;
});
}
function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) {
var bestSupertype;
var bestSupertypeDownfallType;
var bestSupertypeScore = 0;
for (var i = 0; i < types.length; i++) {
var score = 0;
var downfallType = undefined;
for (var j = 0; j < types.length; j++) {
if (isTypeSubtypeOf(types[j], types[i])) {
score++;
}
else if (!downfallType) {
downfallType = types[j];
}
}
ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType");
if (score > bestSupertypeScore) {
bestSupertype = types[i];
bestSupertypeDownfallType = downfallType;
bestSupertypeScore = score;
}
if (bestSupertypeScore === types.length - 1) {
break;
}
}
checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead);
}
function isArrayType(type) {
return type.flags & 4096 && type.target === globalArrayType;
}
function isArrayLikeType(type) {
return !(type.flags & (32 | 64)) && isTypeAssignableTo(type, anyArrayType);
}
function isTupleLikeType(type) {
return !!getPropertyOfType(type, "0");
}
function isTupleType(type) {
return (type.flags & 8192) && !!type.elementTypes;
}
function getWidenedTypeOfObjectLiteral(type) {
var properties = getPropertiesOfObjectType(type);
var members = {};
ts.forEach(properties, function (p) {
var propType = getTypeOfSymbol(p);
var widenedType = getWidenedType(propType);
if (propType !== widenedType) {
var symbol = createSymbol(p.flags | 67108864, p.name);
symbol.declarations = p.declarations;
symbol.parent = p.parent;
symbol.type = widenedType;
symbol.target = p;
if (p.valueDeclaration)
symbol.valueDeclaration = p.valueDeclaration;
p = symbol;
}
members[p.name] = p;
});
var stringIndexType = getIndexTypeOfType(type, 0);
var numberIndexType = getIndexTypeOfType(type, 1);
if (stringIndexType)
stringIndexType = getWidenedType(stringIndexType);
if (numberIndexType)
numberIndexType = getWidenedType(numberIndexType);
return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexType, numberIndexType);
}
function getWidenedType(type) {
if (type.flags & 786432) {
if (type.flags & (32 | 64)) {
return anyType;
}
if (type.flags & 131072) {
return getWidenedTypeOfObjectLiteral(type);
}
if (type.flags & 16384) {
return getUnionType(ts.map(type.types, getWidenedType));
}
if (isArrayType(type)) {
return createArrayType(getWidenedType(type.typeArguments[0]));
}
}
return type;
}
function reportWideningErrorsInType(type) {
if (type.flags & 16384) {
var errorReported = false;
ts.forEach(type.types, function (t) {
if (reportWideningErrorsInType(t)) {
errorReported = true;
}
});
return errorReported;
}
if (isArrayType(type)) {
return reportWideningErrorsInType(type.typeArguments[0]);
}
if (type.flags & 131072) {
var errorReported = false;
ts.forEach(getPropertiesOfObjectType(type), function (p) {
var t = getTypeOfSymbol(p);
if (t.flags & 262144) {
if (!reportWideningErrorsInType(t)) {
error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t)));
}
errorReported = true;
}
});
return errorReported;
}
return false;
}
function reportImplicitAnyError(declaration, type) {
var typeAsString = typeToString(getWidenedType(type));
var diagnostic;
switch (declaration.kind) {
case 132:
case 131:
diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type;
break;
case 129:
diagnostic = declaration.dotDotDotToken ? ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : ts.Diagnostics.Parameter_0_implicitly_has_an_1_type;
break;
case 200:
case 134:
case 133:
case 136:
case 137:
case 162:
case 163:
if (!declaration.name) {
error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString);
return;
}
diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type;
break;
default:
diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type;
}
error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString);
}
function reportErrorsFromWidening(declaration, type) {
if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 262144) {
if (!reportWideningErrorsInType(type)) {
reportImplicitAnyError(declaration, type);
}
}
}
function forEachMatchingParameterType(source, target, callback) {
var sourceMax = source.parameters.length;
var targetMax = target.parameters.length;
var count;
if (source.hasRestParameter && target.hasRestParameter) {
count = sourceMax > targetMax ? sourceMax : targetMax;
sourceMax--;
targetMax--;
}
else if (source.hasRestParameter) {
sourceMax--;
count = targetMax;
}
else if (target.hasRestParameter) {
targetMax--;
count = sourceMax;
}
else {
count = sourceMax < targetMax ? sourceMax : targetMax;
}
for (var i = 0; i < count; i++) {
var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source);
var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target);
callback(s, t);
}
}
function createInferenceContext(typeParameters, inferUnionTypes) {
var inferences = [];
for (var _i = 0; _i < typeParameters.length; _i++) {
var unused = typeParameters[_i];
inferences.push({
primary: undefined,
secondary: undefined,
isFixed: false
});
}
return {
typeParameters: typeParameters,
inferUnionTypes: inferUnionTypes,
inferences: inferences,
inferredTypes: new Array(typeParameters.length)
};
}
function inferTypes(context, source, target) {
var sourceStack;
var targetStack;
var depth = 0;
var inferiority = 0;
inferFromTypes(source, target);
function isInProcess(source, target) {
for (var i = 0; i < depth; i++) {
if (source === sourceStack[i] && target === targetStack[i]) {
return true;
}
}
return false;
}
function isWithinDepthLimit(type, stack) {
if (depth >= 5) {
var target_2 = type.target;
var count = 0;
for (var i = 0; i < depth; i++) {
var t = stack[i];
if (t.flags & 4096 && t.target === target_2) {
count++;
}
}
return count < 5;
}
return true;
}
function inferFromTypes(source, target) {
if (source === anyFunctionType) {
return;
}
if (target.flags & 512) {
var typeParameters = context.typeParameters;
for (var i = 0; i < typeParameters.length; i++) {
if (target === typeParameters[i]) {
var inferences = context.inferences[i];
if (!inferences.isFixed) {
var candidates = inferiority ? inferences.secondary || (inferences.secondary = []) : inferences.primary || (inferences.primary = []);
if (!ts.contains(candidates, source)) {
candidates.push(source);
}
}
return;
}
}
}
else if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) {
var sourceTypes = source.typeArguments;
var targetTypes = target.typeArguments;
for (var i = 0; i < sourceTypes.length; i++) {
inferFromTypes(sourceTypes[i], targetTypes[i]);
}
}
else if (target.flags & 16384) {
var targetTypes = target.types;
var typeParameterCount = 0;
var typeParameter;
for (var _i = 0; _i < targetTypes.length; _i++) {
var t = targetTypes[_i];
if (t.flags & 512 && ts.contains(context.typeParameters, t)) {
typeParameter = t;
typeParameterCount++;
}
else {
inferFromTypes(source, t);
}
}
if (typeParameterCount === 1) {
inferiority++;
inferFromTypes(source, typeParameter);
inferiority--;
}
}
else if (source.flags & 16384) {
var sourceTypes = source.types;
for (var _a = 0; _a < sourceTypes.length; _a++) {
var sourceType = sourceTypes[_a];
inferFromTypes(sourceType, target);
}
}
else if (source.flags & 48128 && (target.flags & (4096 | 8192) || (target.flags & 32768) && target.symbol && target.symbol.flags & (8192 | 2048))) {
if (!isInProcess(source, target) && isWithinDepthLimit(source, sourceStack) && isWithinDepthLimit(target, targetStack)) {
if (depth === 0) {
sourceStack = [];
targetStack = [];
}
sourceStack[depth] = source;
targetStack[depth] = target;
depth++;
inferFromProperties(source, target);
inferFromSignatures(source, target, 0);
inferFromSignatures(source, target, 1);
inferFromIndexTypes(source, target, 0, 0);
inferFromIndexTypes(source, target, 1, 1);
inferFromIndexTypes(source, target, 0, 1);
depth--;
}
}
}
function inferFromProperties(source, target) {
var properties = getPropertiesOfObjectType(target);
for (var _i = 0; _i < properties.length; _i++) {
var targetProp = properties[_i];
var sourceProp = getPropertyOfObjectType(source, targetProp.name);
if (sourceProp) {
inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp));
}
}
}
function inferFromSignatures(source, target, kind) {
var sourceSignatures = getSignaturesOfType(source, kind);
var targetSignatures = getSignaturesOfType(target, kind);
var sourceLen = sourceSignatures.length;
var targetLen = targetSignatures.length;
var len = sourceLen < targetLen ? sourceLen : targetLen;
for (var i = 0; i < len; i++) {
inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i]));
}
}
function inferFromSignature(source, target) {
forEachMatchingParameterType(source, target, inferFromTypes);
inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target));
}
function inferFromIndexTypes(source, target, sourceKind, targetKind) {
var targetIndexType = getIndexTypeOfType(target, targetKind);
if (targetIndexType) {
var sourceIndexType = getIndexTypeOfType(source, sourceKind);
if (sourceIndexType) {
inferFromTypes(sourceIndexType, targetIndexType);
}
}
}
}
function getInferenceCandidates(context, index) {
var inferences = context.inferences[index];
return inferences.primary || inferences.secondary || emptyArray;
}
function getInferredType(context, index) {
var inferredType = context.inferredTypes[index];
var inferenceSucceeded;
if (!inferredType) {
var inferences = getInferenceCandidates(context, index);
if (inferences.length) {
var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences) : getCommonSupertype(inferences);
inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType;
inferenceSucceeded = !!unionOrSuperType;
}
else {
inferredType = emptyObjectType;
inferenceSucceeded = true;
}
if (inferenceSucceeded) {
var constraint = getConstraintOfTypeParameter(context.typeParameters[index]);
inferredType = constraint && !isTypeAssignableTo(inferredType, constraint) ? constraint : inferredType;
}
else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) {
context.failedTypeParameterIndex = index;
}
context.inferredTypes[index] = inferredType;
}
return inferredType;
}
function getInferredTypes(context) {
for (var i = 0; i < context.inferredTypes.length; i++) {
getInferredType(context, i);
}
return context.inferredTypes;
}
function hasAncestor(node, kind) {
return ts.getAncestor(node, kind) !== undefined;
}
function getResolvedSymbol(node) {
var links = getNodeLinks(node);
if (!links.resolvedSymbol) {
links.resolvedSymbol = (!ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node)) || unknownSymbol;
}
return links.resolvedSymbol;
}
function isInTypeQuery(node) {
while (node) {
switch (node.kind) {
case 144:
return true;
case 65:
case 126:
node = node.parent;
continue;
default:
return false;
}
}
ts.Debug.fail("should not get here");
}
function removeTypesFromUnionType(type, typeKind, isOfTypeKind, allowEmptyUnionResult) {
if (type.flags & 16384) {
var types = type.types;
if (ts.forEach(types, function (t) {
return !!(t.flags & typeKind) === isOfTypeKind;
})) {
var narrowedType = getUnionType(ts.filter(types, function (t) {
return !(t.flags & typeKind) === isOfTypeKind;
}));
if (allowEmptyUnionResult || narrowedType !== emptyObjectType) {
return narrowedType;
}
}
}
else if (allowEmptyUnionResult && !!(type.flags & typeKind) === isOfTypeKind) {
return getUnionType(emptyArray);
}
return type;
}
function hasInitializer(node) {
return !!(node.initializer || ts.isBindingPattern(node.parent) && hasInitializer(node.parent.parent));
}
function isVariableAssignedWithin(symbol, node) {
var links = getNodeLinks(node);
if (links.assignmentChecks) {
var cachedResult = links.assignmentChecks[symbol.id];
if (cachedResult !== undefined) {
return cachedResult;
}
}
else {
links.assignmentChecks = {};
}
return links.assignmentChecks[symbol.id] = isAssignedIn(node);
function isAssignedInBinaryExpression(node) {
if (node.operatorToken.kind >= 53 && node.operatorToken.kind <= 64) {
var n = node.left;
while (n.kind === 161) {
n = n.expression;
}
if (n.kind === 65 && getResolvedSymbol(n) === symbol) {
return true;
}
}
return ts.forEachChild(node, isAssignedIn);
}
function isAssignedInVariableDeclaration(node) {
if (!ts.isBindingPattern(node.name) && getSymbolOfNode(node) === symbol && hasInitializer(node)) {
return true;
}
return ts.forEachChild(node, isAssignedIn);
}
function isAssignedIn(node) {
switch (node.kind) {
case 169:
return isAssignedInBinaryExpression(node);
case 198:
case 152:
return isAssignedInVariableDeclaration(node);
case 150:
case 151:
case 153:
case 154:
case 155:
case 156:
case 157:
case 158:
case 160:
case 161:
case 167:
case 164:
case 165:
case 166:
case 168:
case 170:
case 173:
case 179:
case 180:
case 182:
case 183:
case 184:
case 185:
case 186:
case 187:
case 188:
case 191:
case 192:
case 193:
case 220:
case 221:
case 194:
case 195:
case 196:
case 223:
return ts.forEachChild(node, isAssignedIn);
}
return false;
}
}
function resolveLocation(node) {
var containerNodes = [];
for (var parent_3 = node.parent; parent_3; parent_3 = parent_3.parent) {
if ((ts.isExpression(parent_3) || ts.isObjectLiteralMethod(node)) && isContextSensitive(parent_3)) {
containerNodes.unshift(parent_3);
}
}
ts.forEach(containerNodes, function (node) {
getTypeOfNode(node);
});
}
function getSymbolAtLocation(node) {
resolveLocation(node);
return getSymbolInfo(node);
}
function getTypeAtLocation(node) {
resolveLocation(node);
return getTypeOfNode(node);
}
function getTypeOfSymbolAtLocation(symbol, node) {
resolveLocation(node);
return getNarrowedTypeOfSymbol(symbol, node);
}
function getNarrowedTypeOfSymbol(symbol, node) {
var type = getTypeOfSymbol(symbol);
if (node && symbol.flags & 3 && type.flags & (1 | 48128 | 16384 | 512)) {
loop: while (node.parent) {
var child = node;
node = node.parent;
var narrowedType = type;
switch (node.kind) {
case 183:
if (child !== node.expression) {
narrowedType = narrowType(type, node.expression, child === node.thenStatement);
}
break;
case 170:
if (child !== node.condition) {
narrowedType = narrowType(type, node.condition, child === node.whenTrue);
}
break;
case 169:
if (child === node.right) {
if (node.operatorToken.kind === 48) {
narrowedType = narrowType(type, node.left, true);
}
else if (node.operatorToken.kind === 49) {
narrowedType = narrowType(type, node.left, false);
}
}
break;
case 227:
case 205:
case 200:
case 134:
case 133:
case 136:
case 137:
case 135:
break loop;
}
if (narrowedType !== type) {
if (isVariableAssignedWithin(symbol, node)) {
break;
}
type = narrowedType;
}
}
}
return type;
function narrowTypeByEquality(type, expr, assumeTrue) {
if (expr.left.kind !== 165 || expr.right.kind !== 8) {
return type;
}
var left = expr.left;
var right = expr.right;
if (left.expression.kind !== 65 || getResolvedSymbol(left.expression) !== symbol) {
return type;
}
var typeInfo = primitiveTypeInfo[right.text];
if (expr.operatorToken.kind === 31) {
assumeTrue = !assumeTrue;
}
if (assumeTrue) {
if (!typeInfo) {
return removeTypesFromUnionType(type, 258 | 132 | 8 | 1048576, true, false);
}
if (isTypeSubtypeOf(typeInfo.type, type)) {
return typeInfo.type;
}
return removeTypesFromUnionType(type, typeInfo.flags, false, false);
}
else {
if (typeInfo) {
return removeTypesFromUnionType(type, typeInfo.flags, true, false);
}
return type;
}
}
function narrowTypeByAnd(type, expr, assumeTrue) {
if (assumeTrue) {
return narrowType(narrowType(type, expr.left, true), expr.right, true);
}
else {
return getUnionType([
narrowType(type, expr.left, false),
narrowType(narrowType(type, expr.left, true), expr.right, false)
]);
}
}
function narrowTypeByOr(type, expr, assumeTrue) {
if (assumeTrue) {
return getUnionType([
narrowType(type, expr.left, true),
narrowType(narrowType(type, expr.left, false), expr.right, true)
]);
}
else {
return narrowType(narrowType(type, expr.left, false), expr.right, false);
}
}
function narrowTypeByInstanceof(type, expr, assumeTrue) {
if (type.flags & 1 || !assumeTrue || expr.left.kind !== 65 || getResolvedSymbol(expr.left) !== symbol) {
return type;
}
var rightType = checkExpression(expr.right);
if (!isTypeSubtypeOf(rightType, globalFunctionType)) {
return type;
}
var prototypeProperty = getPropertyOfType(rightType, "prototype");
if (!prototypeProperty) {
return type;
}
var targetType = getTypeOfSymbol(prototypeProperty);
if (isTypeSubtypeOf(targetType, type)) {
return targetType;
}
if (type.flags & 16384) {
return getUnionType(ts.filter(type.types, function (t) {
return isTypeSubtypeOf(t, targetType);
}));
}
return type;
}
function narrowType(type, expr, assumeTrue) {
switch (expr.kind) {
case 161:
return narrowType(type, expr.expression, assumeTrue);
case 169:
var operator = expr.operatorToken.kind;
if (operator === 30 || operator === 31) {
return narrowTypeByEquality(type, expr, assumeTrue);
}
else if (operator === 48) {
return narrowTypeByAnd(type, expr, assumeTrue);
}
else if (operator === 49) {
return narrowTypeByOr(type, expr, assumeTrue);
}
else if (operator === 87) {
return narrowTypeByInstanceof(type, expr, assumeTrue);
}
break;
case 167:
if (expr.operator === 46) {
return narrowType(type, expr.operand, !assumeTrue);
}
break;
}
return type;
}
}
function checkIdentifier(node) {
var symbol = getResolvedSymbol(node);
if (symbol === argumentsSymbol && ts.getContainingFunction(node).kind === 163) {
error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_Consider_using_a_standard_function_expression);
}
if (symbol.flags & 8388608 && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) {
markAliasSymbolAsReferenced(symbol);
}
checkCollisionWithCapturedSuperVariable(node, node);
checkCollisionWithCapturedThisVariable(node, node);
checkBlockScopedBindingCapturedInLoop(node, symbol);
return getNarrowedTypeOfSymbol(getExportSymbolOfValueSymbolIfExported(symbol), node);
}
function isInsideFunction(node, threshold) {
var current = node;
while (current && current !== threshold) {
if (ts.isFunctionLike(current)) {
return true;
}
current = current.parent;
}
return false;
}
function checkBlockScopedBindingCapturedInLoop(node, symbol) {
if (languageVersion >= 2 || (symbol.flags & 2) === 0 || symbol.valueDeclaration.parent.kind === 223) {
return;
}
var container = symbol.valueDeclaration;
while (container.kind !== 199) {
container = container.parent;
}
container = container.parent;
if (container.kind === 180) {
container = container.parent;
}
var inFunction = isInsideFunction(node.parent, container);
var current = container;
while (current && !ts.nodeStartsNewLexicalEnvironment(current)) {
if (isIterationStatement(current, false)) {
if (inFunction) {
grammarErrorOnFirstToken(current, ts.Diagnostics.Loop_contains_block_scoped_variable_0_referenced_by_a_function_in_the_loop_This_is_only_supported_in_ECMAScript_6_or_higher, ts.declarationNameToString(node));
}
getNodeLinks(symbol.valueDeclaration).flags |= 256;
break;
}
current = current.parent;
}
}
function captureLexicalThis(node, container) {
var classNode = container.parent && container.parent.kind === 201 ? container.parent : undefined;
getNodeLinks(node).flags |= 2;
if (container.kind === 132 || container.kind === 135) {
getNodeLinks(classNode).flags |= 4;
}
else {
getNodeLinks(container).flags |= 4;
}
}
function checkThisExpression(node) {
var container = ts.getThisContainer(node, true);
var needToCaptureLexicalThis = false;
if (container.kind === 163) {
container = ts.getThisContainer(container, false);
needToCaptureLexicalThis = (languageVersion < 2);
}
switch (container.kind) {
case 205:
error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_body);
break;
case 204:
error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location);
break;
case 135:
if (isInConstructorArgumentInitializer(node, container)) {
error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments);
}
break;
case 132:
case 131:
if (container.flags & 128) {
error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer);
}
break;
case 127:
error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name);
break;
}
if (needToCaptureLexicalThis) {
captureLexicalThis(node, container);
}
var classNode = container.parent && container.parent.kind === 201 ? container.parent : undefined;
if (classNode) {
var symbol = getSymbolOfNode(classNode);
return container.flags & 128 ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol);
}
return anyType;
}
function isInConstructorArgumentInitializer(node, constructorDecl) {
for (var n = node; n && n !== constructorDecl; n = n.parent) {
if (n.kind === 129) {
return true;
}
}
return false;
}
function checkSuperExpression(node) {
var isCallExpression = node.parent.kind === 157 && node.parent.expression === node;
var enclosingClass = ts.getAncestor(node, 201);
var baseClass;
if (enclosingClass && ts.getClassExtendsHeritageClauseElement(enclosingClass)) {
var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClass));
baseClass = classType.baseTypes.length && classType.baseTypes[0];
}
if (!baseClass) {
error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class);
return unknownType;
}
var container = ts.getSuperContainer(node, true);
if (container) {
var canUseSuperExpression = false;
var needToCaptureLexicalThis;
if (isCallExpression) {
canUseSuperExpression = container.kind === 135;
}
else {
needToCaptureLexicalThis = false;
while (container && container.kind === 163) {
container = ts.getSuperContainer(container, true);
needToCaptureLexicalThis = true;
}
if (container && container.parent && container.parent.kind === 201) {
if (container.flags & 128) {
canUseSuperExpression = container.kind === 134 || container.kind === 133 || container.kind === 136 || container.kind === 137;
}
else {
canUseSuperExpression = container.kind === 134 || container.kind === 133 || container.kind === 136 || container.kind === 137 || container.kind === 132 || container.kind === 131 || container.kind === 135;
}
}
}
if (canUseSuperExpression) {
var returnType;
if ((container.flags & 128) || isCallExpression) {
getNodeLinks(node).flags |= 32;
returnType = getTypeOfSymbol(baseClass.symbol);
}
else {
getNodeLinks(node).flags |= 16;
returnType = baseClass;
}
if (container.kind === 135 && isInConstructorArgumentInitializer(node, container)) {
error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments);
returnType = unknownType;
}
if (!isCallExpression && needToCaptureLexicalThis) {
captureLexicalThis(node.parent, container);
}
return returnType;
}
}
if (container.kind === 127) {
error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name);
}
else if (isCallExpression) {
error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors);
}
else {
error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class);
}
return unknownType;
}
function getContextuallyTypedParameterType(parameter) {
if (isFunctionExpressionOrArrowFunction(parameter.parent)) {
var func = parameter.parent;
if (isContextSensitive(func)) {
var contextualSignature = getContextualSignature(func);
if (contextualSignature) {
var funcHasRestParameters = ts.hasRestParameters(func);
var len = func.parameters.length - (funcHasRestParameters ? 1 : 0);
var indexOfParameter = ts.indexOf(func.parameters, parameter);
if (indexOfParameter < len) {
return getTypeAtPosition(contextualSignature, indexOfParameter);
}
if (indexOfParameter === (func.parameters.length - 1) && funcHasRestParameters && contextualSignature.hasRestParameter && func.parameters.length >= contextualSignature.parameters.length) {
return getTypeOfSymbol(contextualSignature.parameters[contextualSignature.parameters.length - 1]);
}
}
}
}
return undefined;
}
function getContextualTypeForInitializerExpression(node) {
var declaration = node.parent;
if (node === declaration.initializer) {
if (declaration.type) {
return getTypeFromTypeNodeOrHeritageClauseElement(declaration.type);
}
if (declaration.kind === 129) {
var type = getContextuallyTypedParameterType(declaration);
if (type) {
return type;
}
}
if (ts.isBindingPattern(declaration.name)) {
return getTypeFromBindingPattern(declaration.name);
}
}
return undefined;
}
function getContextualTypeForReturnExpression(node) {
var func = ts.getContainingFunction(node);
if (func) {
if (func.type || func.kind === 135 || func.kind === 136 && getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(func.symbol, 137))) {
return getReturnTypeOfSignature(getSignatureFromDeclaration(func));
}
var signature = getContextualSignatureForFunctionLikeDeclaration(func);
if (signature) {
return getReturnTypeOfSignature(signature);
}
}
return undefined;
}
function getContextualTypeForArgument(callTarget, arg) {
var args = getEffectiveCallArguments(callTarget);
var argIndex = ts.indexOf(args, arg);
if (argIndex >= 0) {
var signature = getResolvedSignature(callTarget);
return getTypeAtPosition(signature, argIndex);
}
return undefined;
}
function getContextualTypeForSubstitutionExpression(template, substitutionExpression) {
if (template.parent.kind === 159) {
return getContextualTypeForArgument(template.parent, substitutionExpression);
}
return undefined;
}
function getContextualTypeForBinaryOperand(node) {
var binaryExpression = node.parent;
var operator = binaryExpression.operatorToken.kind;
if (operator >= 53 && operator <= 64) {
if (node === binaryExpression.right) {
return checkExpression(binaryExpression.left);
}
}
else if (operator === 49) {
var type = getContextualType(binaryExpression);
if (!type && node === binaryExpression.right) {
type = checkExpression(binaryExpression.left);
}
return type;
}
return undefined;
}
function applyToContextualType(type, mapper) {
if (!(type.flags & 16384)) {
return mapper(type);
}
var types = type.types;
var mappedType;
var mappedTypes;
for (var _i = 0; _i < types.length; _i++) {
var current = types[_i];
var t = mapper(current);
if (t) {
if (!mappedType) {
mappedType = t;
}
else if (!mappedTypes) {
mappedTypes = [
mappedType,
t
];
}
else {
mappedTypes.push(t);
}
}
}
return mappedTypes ? getUnionType(mappedTypes) : mappedType;
}
function getTypeOfPropertyOfContextualType(type, name) {
return applyToContextualType(type, function (t) {
var prop = getPropertyOfObjectType(t, name);
return prop ? getTypeOfSymbol(prop) : undefined;
});
}
function getIndexTypeOfContextualType(type, kind) {
return applyToContextualType(type, function (t) {
return getIndexTypeOfObjectOrUnionType(t, kind);
});
}
function contextualTypeIsTupleLikeType(type) {
return !!(type.flags & 16384 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type));
}
function contextualTypeHasIndexSignature(type, kind) {
return !!(type.flags & 16384 ? ts.forEach(type.types, function (t) {
return getIndexTypeOfObjectOrUnionType(t, kind);
}) : getIndexTypeOfObjectOrUnionType(type, kind));
}
function getContextualTypeForObjectLiteralMethod(node) {
ts.Debug.assert(ts.isObjectLiteralMethod(node));
if (isInsideWithStatementBody(node)) {
return undefined;
}
return getContextualTypeForObjectLiteralElement(node);
}
function getContextualTypeForObjectLiteralElement(element) {
var objectLiteral = element.parent;
var type = getContextualType(objectLiteral);
if (type) {
if (!ts.hasDynamicName(element)) {
var symbolName = getSymbolOfNode(element).name;
var propertyType = getTypeOfPropertyOfContextualType(type, symbolName);
if (propertyType) {
return propertyType;
}
}
return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1) || getIndexTypeOfContextualType(type, 0);
}
return undefined;
}
function getContextualTypeForElementExpression(node) {
var arrayLiteral = node.parent;
var type = getContextualType(arrayLiteral);
if (type) {
var index = ts.indexOf(arrayLiteral.elements, node);
return getTypeOfPropertyOfContextualType(type, "" + index) || getIndexTypeOfContextualType(type, 1) || (languageVersion >= 2 ? checkIteratedType(type, undefined) : undefined);
}
return undefined;
}
function getContextualTypeForConditionalOperand(node) {
var conditional = node.parent;
return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined;
}
function getContextualType(node) {
if (isInsideWithStatementBody(node)) {
return undefined;
}
if (node.contextualType) {
return node.contextualType;
}
var parent = node.parent;
switch (parent.kind) {
case 198:
case 129:
case 132:
case 131:
case 152:
return getContextualTypeForInitializerExpression(node);
case 163:
case 191:
return getContextualTypeForReturnExpression(node);
case 157:
case 158:
return getContextualTypeForArgument(parent, node);
case 160:
return getTypeFromTypeNodeOrHeritageClauseElement(parent.type);
case 169:
return getContextualTypeForBinaryOperand(node);
case 224:
return getContextualTypeForObjectLiteralElement(parent);
case 153:
return getContextualTypeForElementExpression(node);
case 170:
return getContextualTypeForConditionalOperand(node);
case 176:
ts.Debug.assert(parent.parent.kind === 171);
return getContextualTypeForSubstitutionExpression(parent.parent, node);
case 161:
return getContextualType(parent);
}
return undefined;
}
function getNonGenericSignature(type) {
var signatures = getSignaturesOfObjectOrUnionType(type, 0);
if (signatures.length === 1) {
var signature = signatures[0];
if (!signature.typeParameters) {
return signature;
}
}
}
function isFunctionExpressionOrArrowFunction(node) {
return node.kind === 162 || node.kind === 163;
}
function getContextualSignatureForFunctionLikeDeclaration(node) {
return isFunctionExpressionOrArrowFunction(node) ? getContextualSignature(node) : undefined;
}
function getContextualSignature(node) {
ts.Debug.assert(node.kind !== 134 || ts.isObjectLiteralMethod(node));
var type = ts.isObjectLiteralMethod(node) ? getContextualTypeForObjectLiteralMethod(node) : getContextualType(node);
if (!type) {
return undefined;
}
if (!(type.flags & 16384)) {
return getNonGenericSignature(type);
}
var signatureList;
var types = type.types;
for (var _i = 0; _i < types.length; _i++) {
var current = types[_i];
if (signatureList && getSignaturesOfObjectOrUnionType(current, 0).length > 1) {
return undefined;
}
var signature = getNonGenericSignature(current);
if (signature) {
if (!signatureList) {
signatureList = [
signature
];
}
else if (!compareSignatures(signatureList[0], signature, false, compareTypes)) {
return undefined;
}
else {
signatureList.push(signature);
}
}
}
var result;
if (signatureList) {
result = cloneSignature(signatureList[0]);
result.resolvedReturnType = undefined;
result.unionSignatures = signatureList;
}
return result;
}
function isInferentialContext(mapper) {
return mapper && mapper !== identityMapper;
}
function isAssignmentTarget(node) {
var parent = node.parent;
if (parent.kind === 169 && parent.operatorToken.kind === 53 && parent.left === node) {
return true;
}
if (parent.kind === 224) {
return isAssignmentTarget(parent.parent);
}
if (parent.kind === 153) {
return isAssignmentTarget(parent);
}
return false;
}
function checkSpreadElementExpression(node, contextualMapper) {
var type = checkExpressionCached(node.expression, contextualMapper);
if (!isArrayLikeType(type)) {
error(node.expression, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(type));
return unknownType;
}
return type;
}
function checkArrayLiteral(node, contextualMapper) {
var elements = node.elements;
if (!elements.length) {
return createArrayType(undefinedType);
}
var hasSpreadElement = false;
var elementTypes = [];
ts.forEach(elements, function (e) {
var type = checkExpression(e, contextualMapper);
if (e.kind === 173) {
elementTypes.push(getIndexTypeOfType(type, 1) || anyType);
hasSpreadElement = true;
}
else {
elementTypes.push(type);
}
});
if (!hasSpreadElement) {
var contextualType = getContextualType(node);
if (contextualType && contextualTypeIsTupleLikeType(contextualType) || isAssignmentTarget(node)) {
return createTupleType(elementTypes);
}
}
return createArrayType(getUnionType(elementTypes));
}
function isNumericName(name) {
return name.kind === 127 ? isNumericComputedName(name) : isNumericLiteralName(name.text);
}
function isNumericComputedName(name) {
return allConstituentTypesHaveKind(checkComputedPropertyName(name), 1 | 132);
}
function isNumericLiteralName(name) {
return (+name).toString() === name;
}
function checkComputedPropertyName(node) {
var links = getNodeLinks(node.expression);
if (!links.resolvedType) {
links.resolvedType = checkExpression(node.expression);
if (!allConstituentTypesHaveKind(links.resolvedType, 1 | 132 | 258 | 1048576)) {
error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any);
}
else {
checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, true);
}
}
return links.resolvedType;
}
function checkObjectLiteral(node, contextualMapper) {
checkGrammarObjectLiteralExpression(node);
var propertiesTable = {};
var propertiesArray = [];
var contextualType = getContextualType(node);
var typeFlags;
for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
var memberDecl = _a[_i];
var member = memberDecl.symbol;
if (memberDecl.kind === 224 || memberDecl.kind === 225 || ts.isObjectLiteralMethod(memberDecl)) {
var type = void 0;
if (memberDecl.kind === 224) {
type = checkPropertyAssignment(memberDecl, contextualMapper);
}
else if (memberDecl.kind === 134) {
type = checkObjectLiteralMethod(memberDecl, contextualMapper);
}
else {
ts.Debug.assert(memberDecl.kind === 225);
type = memberDecl.name.kind === 127 ? unknownType : checkExpression(memberDecl.name, contextualMapper);
}
typeFlags |= type.flags;
var prop = createSymbol(4 | 67108864 | member.flags, member.name);
prop.declarations = member.declarations;
prop.parent = member.parent;
if (member.valueDeclaration) {
prop.valueDeclaration = member.valueDeclaration;
}
prop.type = type;
prop.target = member;
member = prop;
}
else {
ts.Debug.assert(memberDecl.kind === 136 || memberDecl.kind === 137);
checkAccessorDeclaration(memberDecl);
}
if (!ts.hasDynamicName(memberDecl)) {
propertiesTable[member.name] = member;
}
propertiesArray.push(member);
}
var stringIndexType = getIndexType(0);
var numberIndexType = getIndexType(1);
var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexType, numberIndexType);
result.flags |= 131072 | 524288 | (typeFlags & 262144);
return result;
function getIndexType(kind) {
if (contextualType && contextualTypeHasIndexSignature(contextualType, kind)) {
var propTypes = [];
for (var i = 0; i < propertiesArray.length; i++) {
var propertyDecl = node.properties[i];
if (kind === 0 || isNumericName(propertyDecl.name)) {
var type = getTypeOfSymbol(propertiesArray[i]);
if (!ts.contains(propTypes, type)) {
propTypes.push(type);
}
}
}
var result_1 = propTypes.length ? getUnionType(propTypes) : undefinedType;
typeFlags |= result_1.flags;
return result_1;
}
return undefined;
}
}
function getDeclarationKindFromSymbol(s) {
return s.valueDeclaration ? s.valueDeclaration.kind : 132;
}
function getDeclarationFlagsFromSymbol(s) {
return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : s.flags & 134217728 ? 16 | 128 : 0;
}
function checkClassPropertyAccess(node, left, type, prop) {
var flags = getDeclarationFlagsFromSymbol(prop);
if (!(flags & (32 | 64))) {
return;
}
var enclosingClassDeclaration = ts.getAncestor(node, 201);
var enclosingClass = enclosingClassDeclaration ? getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClassDeclaration)) : undefined;
var declaringClass = getDeclaredTypeOfSymbol(prop.parent);
if (flags & 32) {
if (declaringClass !== enclosingClass) {
error(node, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass));
}
return;
}
if (left.kind === 91) {
return;
}
if (!enclosingClass || !hasBaseType(enclosingClass, declaringClass)) {
error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass));
return;
}
if (flags & 128) {
return;
}
if (!(getTargetType(type).flags & (1024 | 2048) && hasBaseType(type, enclosingClass))) {
error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass));
}
}
function checkPropertyAccessExpression(node) {
return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name);
}
function checkQualifiedName(node) {
return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right);
}
function checkPropertyAccessExpressionOrQualifiedName(node, left, right) {
var type = checkExpressionOrQualifiedName(left);
if (type === unknownType)
return type;
if (type !== anyType) {
var apparentType = getApparentType(getWidenedType(type));
if (apparentType === unknownType) {
return unknownType;
}
var prop = getPropertyOfType(apparentType, right.text);
if (!prop) {
if (right.text) {
error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type));
}
return unknownType;
}
getNodeLinks(node).resolvedSymbol = prop;
if (prop.parent && prop.parent.flags & 32) {
if (left.kind === 91 && getDeclarationKindFromSymbol(prop) !== 134) {
error(right, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword);
}
else {
checkClassPropertyAccess(node, left, type, prop);
}
}
return getTypeOfSymbol(prop);
}
return anyType;
}
function isValidPropertyAccess(node, propertyName) {
var left = node.kind === 155 ? node.expression : node.left;
var type = checkExpressionOrQualifiedName(left);
if (type !== unknownType && type !== anyType) {
var prop = getPropertyOfType(getWidenedType(type), propertyName);
if (prop && prop.parent && prop.parent.flags & 32) {
if (left.kind === 91 && getDeclarationKindFromSymbol(prop) !== 134) {
return false;
}
else {
var modificationCount = diagnostics.getModificationCount();
checkClassPropertyAccess(node, left, type, prop);
return diagnostics.getModificationCount() === modificationCount;
}
}
}
return true;
}
function checkIndexedAccess(node) {
if (!node.argumentExpression) {
var sourceFile = getSourceFile(node);
if (node.parent.kind === 158 && node.parent.expression === node) {
var start = ts.skipTrivia(sourceFile.text, node.expression.end);
var end = node.end;
grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead);
}
else {
var start = node.end - "]".length;
var end = node.end;
grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected);
}
}
var objectType = getApparentType(checkExpression(node.expression));
var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType;
if (objectType === unknownType) {
return unknownType;
}
var isConstEnum = isConstEnumObjectType(objectType);
if (isConstEnum && (!node.argumentExpression || node.argumentExpression.kind !== 8)) {
error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal);
return unknownType;
}
if (node.argumentExpression) {
var name_6 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType);
if (name_6 !== undefined) {
var prop = getPropertyOfType(objectType, name_6);
if (prop) {
getNodeLinks(node).resolvedSymbol = prop;
return getTypeOfSymbol(prop);
}
else if (isConstEnum) {
error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_6, symbolToString(objectType.symbol));
return unknownType;
}
}
}
if (allConstituentTypesHaveKind(indexType, 1 | 258 | 132 | 1048576)) {
if (allConstituentTypesHaveKind(indexType, 1 | 132)) {
var numberIndexType = getIndexTypeOfType(objectType, 1);
if (numberIndexType) {
return numberIndexType;
}
}
var stringIndexType = getIndexTypeOfType(objectType, 0);
if (stringIndexType) {
return stringIndexType;
}
if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && objectType !== anyType) {
error(node, ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type);
}
return anyType;
}
error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any);
return unknownType;
}
function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) {
if (indexArgumentExpression.kind === 8 || indexArgumentExpression.kind === 7) {
return indexArgumentExpression.text;
}
if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, false)) {
var rightHandSideName = indexArgumentExpression.name.text;
return ts.getPropertyNameForKnownSymbolName(rightHandSideName);
}
return undefined;
}
function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) {
if (expressionType === unknownType) {
return false;
}
if (!ts.isWellKnownSymbolSyntactically(expression)) {
return false;
}
if ((expressionType.flags & 1048576) === 0) {
if (reportError) {
error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression));
}
return false;
}
var leftHandSide = expression.expression;
var leftHandSideSymbol = getResolvedSymbol(leftHandSide);
if (!leftHandSideSymbol) {
return false;
}
var globalESSymbol = getGlobalESSymbolConstructorSymbol();
if (!globalESSymbol) {
return false;
}
if (leftHandSideSymbol !== globalESSymbol) {
if (reportError) {
error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object);
}
return false;
}
return true;
}
function resolveUntypedCall(node) {
if (node.kind === 159) {
checkExpression(node.template);
}
else {
ts.forEach(node.arguments, function (argument) {
checkExpression(argument);
});
}
return anySignature;
}
function resolveErrorCall(node) {
resolveUntypedCall(node);
return unknownSignature;
}
function reorderCandidates(signatures, result) {
var lastParent;
var lastSymbol;
var cutoffIndex = 0;
var index;
var specializedIndex = -1;
var spliceIndex;
ts.Debug.assert(!result.length);
for (var _i = 0; _i < signatures.length; _i++) {
var signature = signatures[_i];
var symbol = signature.declaration && getSymbolOfNode(signature.declaration);
var parent_4 = signature.declaration && signature.declaration.parent;
if (!lastSymbol || symbol === lastSymbol) {
if (lastParent && parent_4 === lastParent) {
index++;
}
else {
lastParent = parent_4;
index = cutoffIndex;
}
}
else {
index = cutoffIndex = result.length;
lastParent = parent_4;
}
lastSymbol = symbol;
if (signature.hasStringLiterals) {
specializedIndex++;
spliceIndex = specializedIndex;
cutoffIndex++;
}
else {
spliceIndex = index;
}
result.splice(spliceIndex, 0, signature);
}
}
function getSpreadArgumentIndex(args) {
for (var i = 0; i < args.length; i++) {
if (args[i].kind === 173) {
return i;
}
}
return -1;
}
function hasCorrectArity(node, args, signature) {
var adjustedArgCount;
var typeArguments;
var callIsIncomplete;
if (node.kind === 159) {
var tagExpression = node;
adjustedArgCount = args.length;
typeArguments = undefined;
if (tagExpression.template.kind === 171) {
var templateExpression = tagExpression.template;
var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans);
ts.Debug.assert(lastSpan !== undefined);
callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated;
}
else {
var templateLiteral = tagExpression.template;
ts.Debug.assert(templateLiteral.kind === 10);
callIsIncomplete = !!templateLiteral.isUnterminated;
}
}
else {
var callExpression = node;
if (!callExpression.arguments) {
ts.Debug.assert(callExpression.kind === 158);
return signature.minArgumentCount === 0;
}
adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length;
callIsIncomplete = callExpression.arguments.end === callExpression.end;
typeArguments = callExpression.typeArguments;
}
var hasRightNumberOfTypeArgs = !typeArguments || (signature.typeParameters && typeArguments.length === signature.typeParameters.length);
if (!hasRightNumberOfTypeArgs) {
return false;
}
var spreadArgIndex = getSpreadArgumentIndex(args);
if (spreadArgIndex >= 0) {
return signature.hasRestParameter && spreadArgIndex >= signature.parameters.length - 1;
}
if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) {
return false;
}
var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount;
return callIsIncomplete || hasEnoughArguments;
}
function getSingleCallSignature(type) {
if (type.flags & 48128) {
var resolved = resolveObjectOrUnionTypeMembers(type);
if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && resolved.properties.length === 0 && !resolved.stringIndexType && !resolved.numberIndexType) {
return resolved.callSignatures[0];
}
}
return undefined;
}
function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) {
var context = createInferenceContext(signature.typeParameters, true);
forEachMatchingParameterType(contextualSignature, signature, function (source, target) {
inferTypes(context, instantiateType(source, contextualMapper), target);
});
return getSignatureInstantiation(signature, getInferredTypes(context));
}
function inferTypeArguments(signature, args, excludeArgument, context) {
var typeParameters = signature.typeParameters;
var inferenceMapper = createInferenceMapper(context);
for (var i = 0; i < typeParameters.length; i++) {
if (!context.inferences[i].isFixed) {
context.inferredTypes[i] = undefined;
}
}
if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) {
context.failedTypeParameterIndex = undefined;
}
for (var i = 0; i < args.length; i++) {
var arg = args[i];
if (arg.kind !== 175) {
var paramType = getTypeAtPosition(signature, arg.kind === 173 ? -1 : i);
var argType = void 0;
if (i === 0 && args[i].parent.kind === 159) {
argType = globalTemplateStringsArrayType;
}
else {
var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper;
argType = checkExpressionWithContextualType(arg, paramType, mapper);
}
inferTypes(context, argType, paramType);
}
}
if (excludeArgument) {
for (var i = 0; i < args.length; i++) {
if (excludeArgument[i] === false) {
var arg = args[i];
var paramType = getTypeAtPosition(signature, arg.kind === 173 ? -1 : i);
inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType);
}
}
}
getInferredTypes(context);
}
function checkTypeArguments(signature, typeArguments, typeArgumentResultTypes, reportErrors) {
var typeParameters = signature.typeParameters;
var typeArgumentsAreAssignable = true;
for (var i = 0; i < typeParameters.length; i++) {
var typeArgNode = typeArguments[i];
var typeArgument = getTypeFromTypeNodeOrHeritageClauseElement(typeArgNode);
typeArgumentResultTypes[i] = typeArgument;
if (typeArgumentsAreAssignable) {
var constraint = getConstraintOfTypeParameter(typeParameters[i]);
if (constraint) {
typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, constraint, reportErrors ? typeArgNode : undefined, ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1);
}
}
}
return typeArgumentsAreAssignable;
}
function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) {
for (var i = 0; i < args.length; i++) {
var arg = args[i];
if (arg.kind !== 175) {
var paramType = getTypeAtPosition(signature, arg.kind === 173 ? -1 : i);
var argType = i === 0 && node.kind === 159 ? globalTemplateStringsArrayType : arg.kind === 8 && !reportErrors ? getStringLiteralType(arg) : checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined);
if (!checkTypeRelatedTo(argType, paramType, relation, reportErrors ? arg : undefined, ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1)) {
return false;
}
}
}
return true;
}
function getEffectiveCallArguments(node) {
var args;
if (node.kind === 159) {
var template = node.template;
args = [
template
];
if (template.kind === 171) {
ts.forEach(template.templateSpans, function (span) {
args.push(span.expression);
});
}
}
else {
args = node.arguments || emptyArray;
}
return args;
}
function getEffectiveTypeArguments(callExpression) {
if (callExpression.expression.kind === 91) {
var containingClass = ts.getAncestor(callExpression, 201);
var baseClassTypeNode = containingClass && ts.getClassExtendsHeritageClauseElement(containingClass);
return baseClassTypeNode && baseClassTypeNode.typeArguments;
}
else {
return callExpression.typeArguments;
}
}
function resolveCall(node, signatures, candidatesOutArray) {
var isTaggedTemplate = node.kind === 159;
var typeArguments;
if (!isTaggedTemplate) {
typeArguments = getEffectiveTypeArguments(node);
if (node.expression.kind !== 91) {
ts.forEach(typeArguments, checkSourceElement);
}
}
var candidates = candidatesOutArray || [];
reorderCandidates(signatures, candidates);
if (!candidates.length) {
error(node, ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target);
return resolveErrorCall(node);
}
var args = getEffectiveCallArguments(node);
var excludeArgument;
for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) {
if (isContextSensitive(args[i])) {
if (!excludeArgument) {
excludeArgument = new Array(args.length);
}
excludeArgument[i] = true;
}
}
var candidateForArgumentError;
var candidateForTypeArgumentError;
var resultOfFailedInference;
var result;
if (candidates.length > 1) {
result = chooseOverload(candidates, subtypeRelation);
}
if (!result) {
candidateForArgumentError = undefined;
candidateForTypeArgumentError = undefined;
resultOfFailedInference = undefined;
result = chooseOverload(candidates, assignableRelation);
}
if (result) {
return result;
}
if (candidateForArgumentError) {
checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true);
}
else if (candidateForTypeArgumentError) {
if (!isTaggedTemplate && node.typeArguments) {
checkTypeArguments(candidateForTypeArgumentError, node.typeArguments, [], true);
}
else {
ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0);
var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex];
var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex);
var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter));
reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead);
}
}
else {
error(node, ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target);
}
if (!produceDiagnostics) {
for (var _i = 0; _i < candidates.length; _i++) {
var candidate = candidates[_i];
if (hasCorrectArity(node, args, candidate)) {
return candidate;
}
}
}
return resolveErrorCall(node);
function chooseOverload(candidates, relation) {
for (var _i = 0; _i < candidates.length; _i++) {
var originalCandidate = candidates[_i];
if (!hasCorrectArity(node, args, originalCandidate)) {
continue;
}
var candidate = void 0;
var typeArgumentsAreValid = void 0;
var inferenceContext = originalCandidate.typeParameters ? createInferenceContext(originalCandidate.typeParameters, false) : undefined;
while (true) {
candidate = originalCandidate;
if (candidate.typeParameters) {
var typeArgumentTypes = void 0;
if (typeArguments) {
typeArgumentTypes = new Array(candidate.typeParameters.length);
typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false);
}
else {
inferTypeArguments(candidate, args, excludeArgument, inferenceContext);
typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined;
typeArgumentTypes = inferenceContext.inferredTypes;
}
if (!typeArgumentsAreValid) {
break;
}
candidate = getSignatureInstantiation(candidate, typeArgumentTypes);
}
if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) {
break;
}
var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1;
if (index < 0) {
return candidate;
}
excludeArgument[index] = false;
}
if (originalCandidate.typeParameters) {
var instantiatedCandidate = candidate;
if (typeArgumentsAreValid) {
candidateForArgumentError = instantiatedCandidate;
}
else {
candidateForTypeArgumentError = originalCandidate;
if (!typeArguments) {
resultOfFailedInference = inferenceContext;
}
}
}
else {
ts.Debug.assert(originalCandidate === candidate);
candidateForArgumentError = originalCandidate;
}
}
return undefined;
}
}
function resolveCallExpression(node, candidatesOutArray) {
if (node.expression.kind === 91) {
var superType = checkSuperExpression(node.expression);
if (superType !== unknownType) {
return resolveCall(node, getSignaturesOfType(superType, 1), candidatesOutArray);
}
return resolveUntypedCall(node);
}
var funcType = checkExpression(node.expression);
var apparentType = getApparentType(funcType);
if (apparentType === unknownType) {
return resolveErrorCall(node);
}
var callSignatures = getSignaturesOfType(apparentType, 0);
var constructSignatures = getSignaturesOfType(apparentType, 1);
if (funcType === anyType || (!callSignatures.length && !constructSignatures.length && !(funcType.flags & 16384) && isTypeAssignableTo(funcType, globalFunctionType))) {
if (node.typeArguments) {
error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments);
}
return resolveUntypedCall(node);
}
if (!callSignatures.length) {
if (constructSignatures.length) {
error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType));
}
else {
error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature);
}
return resolveErrorCall(node);
}
return resolveCall(node, callSignatures, candidatesOutArray);
}
function resolveNewExpression(node, candidatesOutArray) {
if (node.arguments && languageVersion < 2) {
var spreadIndex = getSpreadArgumentIndex(node.arguments);
if (spreadIndex >= 0) {
error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_6_and_higher);
}
}
var expressionType = checkExpression(node.expression);
if (expressionType === anyType) {
if (node.typeArguments) {
error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments);
}
return resolveUntypedCall(node);
}
expressionType = getApparentType(expressionType);
if (expressionType === unknownType) {
return resolveErrorCall(node);
}
var constructSignatures = getSignaturesOfType(expressionType, 1);
if (constructSignatures.length) {
return resolveCall(node, constructSignatures, candidatesOutArray);
}
var callSignatures = getSignaturesOfType(expressionType, 0);
if (callSignatures.length) {
var signature = resolveCall(node, callSignatures, candidatesOutArray);
if (getReturnTypeOfSignature(signature) !== voidType) {
error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword);
}
return signature;
}
error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature);
return resolveErrorCall(node);
}
function resolveTaggedTemplateExpression(node, candidatesOutArray) {
var tagType = checkExpression(node.tag);
var apparentType = getApparentType(tagType);
if (apparentType === unknownType) {
return resolveErrorCall(node);
}
var callSignatures = getSignaturesOfType(apparentType, 0);
if (tagType === anyType || (!callSignatures.length && !(tagType.flags & 16384) && isTypeAssignableTo(tagType, globalFunctionType))) {
return resolveUntypedCall(node);
}
if (!callSignatures.length) {
error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature);
return resolveErrorCall(node);
}
return resolveCall(node, callSignatures, candidatesOutArray);
}
function getResolvedSignature(node, candidatesOutArray) {
var links = getNodeLinks(node);
if (!links.resolvedSignature || candidatesOutArray) {
links.resolvedSignature = anySignature;
if (node.kind === 157) {
links.resolvedSignature = resolveCallExpression(node, candidatesOutArray);
}
else if (node.kind === 158) {
links.resolvedSignature = resolveNewExpression(node, candidatesOutArray);
}
else if (node.kind === 159) {
links.resolvedSignature = resolveTaggedTemplateExpression(node, candidatesOutArray);
}
else {
ts.Debug.fail("Branch in 'getResolvedSignature' should be unreachable.");
}
}
return links.resolvedSignature;
}
function checkCallExpression(node) {
checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments);
var signature = getResolvedSignature(node);
if (node.expression.kind === 91) {
return voidType;
}
if (node.kind === 158) {
var declaration = signature.declaration;
if (declaration && declaration.kind !== 135 && declaration.kind !== 139 && declaration.kind !== 143) {
if (compilerOptions.noImplicitAny) {
error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type);
}
return anyType;
}
}
return getReturnTypeOfSignature(signature);
}
function checkTaggedTemplateExpression(node) {
return getReturnTypeOfSignature(getResolvedSignature(node));
}
function checkTypeAssertion(node) {
var exprType = checkExpression(node.expression);
var targetType = getTypeFromTypeNodeOrHeritageClauseElement(node.type);
if (produceDiagnostics && targetType !== unknownType) {
var widenedType = getWidenedType(exprType);
if (!(isTypeAssignableTo(targetType, widenedType))) {
checkTypeAssignableTo(exprType, targetType, node, ts.Diagnostics.Neither_type_0_nor_type_1_is_assignable_to_the_other);
}
}
return targetType;
}
function getTypeAtPosition(signature, pos) {
if (pos >= 0) {
return signature.hasRestParameter ? pos < signature.parameters.length - 1 ? getTypeOfSymbol(signature.parameters[pos]) : getRestTypeOfSignature(signature) : pos < signature.parameters.length ? getTypeOfSymbol(signature.parameters[pos]) : anyType;
}
return signature.hasRestParameter ? getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]) : anyArrayType;
}
function assignContextualParameterTypes(signature, context, mapper) {
var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0);
for (var i = 0; i < len; i++) {
var parameter = signature.parameters[i];
var links = getSymbolLinks(parameter);
links.type = instantiateType(getTypeAtPosition(context, i), mapper);
}
if (signature.hasRestParameter && context.hasRestParameter && signature.parameters.length >= context.parameters.length) {
var parameter = signature.parameters[signature.parameters.length - 1];
var links = getSymbolLinks(parameter);
links.type = instantiateType(getTypeOfSymbol(context.parameters[context.parameters.length - 1]), mapper);
}
}
function getReturnTypeFromBody(func, contextualMapper) {
var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func);
if (!func.body) {
return unknownType;
}
var type;
if (func.body.kind !== 179) {
type = checkExpressionCached(func.body, contextualMapper);
}
else {
var types = checkAndAggregateReturnExpressionTypes(func.body, contextualMapper);
if (types.length === 0) {
return voidType;
}
type = contextualSignature ? getUnionType(types) : getCommonSupertype(types);
if (!type) {
error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions);
return unknownType;
}
}
if (!contextualSignature) {
reportErrorsFromWidening(func, type);
}
return getWidenedType(type);
}
function checkAndAggregateReturnExpressionTypes(body, contextualMapper) {
var aggregatedTypes = [];
ts.forEachReturnStatement(body, function (returnStatement) {
var expr = returnStatement.expression;
if (expr) {
var type = checkExpressionCached(expr, contextualMapper);
if (!ts.contains(aggregatedTypes, type)) {
aggregatedTypes.push(type);
}
}
});
return aggregatedTypes;
}
function bodyContainsAReturnStatement(funcBody) {
return ts.forEachReturnStatement(funcBody, function (returnStatement) {
return true;
});
}
function bodyContainsSingleThrowStatement(body) {
return (body.statements.length === 1) && (body.statements[0].kind === 195);
}
function checkIfNonVoidFunctionHasReturnExpressionsOrSingleThrowStatment(func, returnType) {
if (!produceDiagnostics) {
return;
}
if (returnType === voidType || returnType === anyType) {
return;
}
if (ts.nodeIsMissing(func.body) || func.body.kind !== 179) {
return;
}
var bodyBlock = func.body;
if (bodyContainsAReturnStatement(bodyBlock)) {
return;
}
if (bodyContainsSingleThrowStatement(bodyBlock)) {
return;
}
error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_or_consist_of_a_single_throw_statement);
}
function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) {
ts.Debug.assert(node.kind !== 134 || ts.isObjectLiteralMethod(node));
var hasGrammarError = checkGrammarFunctionLikeDeclaration(node);
if (!hasGrammarError && node.kind === 162) {
checkGrammarFunctionName(node.name) || checkGrammarForGenerator(node);
}
if (contextualMapper === identityMapper && isContextSensitive(node)) {
return anyFunctionType;
}
var links = getNodeLinks(node);
var type = getTypeOfSymbol(node.symbol);
if (!(links.flags & 64)) {
var contextualSignature = getContextualSignature(node);
if (!(links.flags & 64)) {
links.flags |= 64;
if (contextualSignature) {
var signature = getSignaturesOfType(type, 0)[0];
if (isContextSensitive(node)) {
assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper);
}
if (!node.type) {
signature.resolvedReturnType = resolvingType;
var returnType = getReturnTypeFromBody(node, contextualMapper);
if (signature.resolvedReturnType === resolvingType) {
signature.resolvedReturnType = returnType;
}
}
}
checkSignatureDeclaration(node);
}
}
if (produceDiagnostics && node.kind !== 134 && node.kind !== 133) {
checkCollisionWithCapturedSuperVariable(node, node.name);
checkCollisionWithCapturedThisVariable(node, node.name);
}
return type;
}
function checkFunctionExpressionOrObjectLiteralMethodBody(node) {
ts.Debug.assert(node.kind !== 134 || ts.isObjectLiteralMethod(node));
if (node.type) {
checkIfNonVoidFunctionHasReturnExpressionsOrSingleThrowStatment(node, getTypeFromTypeNodeOrHeritageClauseElement(node.type));
}
if (node.body) {
if (node.body.kind === 179) {
checkSourceElement(node.body);
}
else {
var exprType = checkExpression(node.body);
if (node.type) {
checkTypeAssignableTo(exprType, getTypeFromTypeNodeOrHeritageClauseElement(node.type), node.body, undefined);
}
checkFunctionExpressionBodies(node.body);
}
}
}
function checkArithmeticOperandType(operand, type, diagnostic) {
if (!allConstituentTypesHaveKind(type, 1 | 132)) {
error(operand, diagnostic);
return false;
}
return true;
}
function checkReferenceExpression(n, invalidReferenceMessage, constantVariableMessage) {
function findSymbol(n) {
var symbol = getNodeLinks(n).resolvedSymbol;
return symbol && getExportSymbolOfValueSymbolIfExported(symbol);
}
function isReferenceOrErrorExpression(n) {
switch (n.kind) {
case 65:
{
var symbol = findSymbol(n);
return !symbol || symbol === unknownSymbol || symbol === argumentsSymbol || (symbol.flags & 3) !== 0;
}
case 155:
{
var symbol = findSymbol(n);
return !symbol || symbol === unknownSymbol || (symbol.flags & ~8) !== 0;
}
case 156:
return true;
case 161:
return isReferenceOrErrorExpression(n.expression);
default:
return false;
}
}
function isConstVariableReference(n) {
switch (n.kind) {
case 65:
case 155:
{
var symbol = findSymbol(n);
return symbol && (symbol.flags & 3) !== 0 && (getDeclarationFlagsFromSymbol(symbol) & 8192) !== 0;
}
case 156:
{
var index = n.argumentExpression;
var symbol = findSymbol(n.expression);
if (symbol && index && index.kind === 8) {
var name_7 = index.text;
var prop = getPropertyOfType(getTypeOfSymbol(symbol), name_7);
return prop && (prop.flags & 3) !== 0 && (getDeclarationFlagsFromSymbol(prop) & 8192) !== 0;
}
return false;
}
case 161:
return isConstVariableReference(n.expression);
default:
return false;
}
}
if (!isReferenceOrErrorExpression(n)) {
error(n, invalidReferenceMessage);
return false;
}
if (isConstVariableReference(n)) {
error(n, constantVariableMessage);
return false;
}
return true;
}
function checkDeleteExpression(node) {
if (node.parserContextFlags & 1 && node.expression.kind === 65) {
grammarErrorOnNode(node.expression, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode);
}
var operandType = checkExpression(node.expression);
return booleanType;
}
function checkTypeOfExpression(node) {
var operandType = checkExpression(node.expression);
return stringType;
}
function checkVoidExpression(node) {
var operandType = checkExpression(node.expression);
return undefinedType;
}
function checkPrefixUnaryExpression(node) {
if ((node.operator === 38 || node.operator === 39)) {
checkGrammarEvalOrArgumentsInStrictMode(node, node.operand);
}
var operandType = checkExpression(node.operand);
switch (node.operator) {
case 33:
case 34:
case 47:
if (someConstituentTypeHasKind(operandType, 1048576)) {
error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator));
}
return numberType;
case 46:
return booleanType;
case 38:
case 39:
var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type);
if (ok) {
checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant);
}
return numberType;
}
return unknownType;
}
function checkPostfixUnaryExpression(node) {
checkGrammarEvalOrArgumentsInStrictMode(node, node.operand);
var operandType = checkExpression(node.operand);
var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type);
if (ok) {
checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant);
}
return numberType;
}
function someConstituentTypeHasKind(type, kind) {
if (type.flags & kind) {
return true;
}
if (type.flags & 16384) {
var types = type.types;
for (var _i = 0; _i < types.length; _i++) {
var current = types[_i];
if (current.flags & kind) {
return true;
}
}
return false;
}
return false;
}
function allConstituentTypesHaveKind(type, kind) {
if (type.flags & kind) {
return true;
}
if (type.flags & 16384) {
var types = type.types;
for (var _i = 0; _i < types.length; _i++) {
var current = types[_i];
if (!(current.flags & kind)) {
return false;
}
}
return true;
}
return false;
}
function isConstEnumObjectType(type) {
return type.flags & (48128 | 32768) && type.symbol && isConstEnumSymbol(type.symbol);
}
function isConstEnumSymbol(symbol) {
return (symbol.flags & 128) !== 0;
}
function checkInstanceOfExpression(node, leftType, rightType) {
if (allConstituentTypesHaveKind(leftType, 1049086)) {
error(node.left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter);
}
if (!(rightType.flags & 1 || isTypeSubtypeOf(rightType, globalFunctionType))) {
error(node.right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type);
}
return booleanType;
}
function checkInExpression(node, leftType, rightType) {
if (!allConstituentTypesHaveKind(leftType, 1 | 258 | 132 | 1048576)) {
error(node.left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol);
}
if (!allConstituentTypesHaveKind(rightType, 1 | 48128 | 512)) {
error(node.right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter);
}
return booleanType;
}
function checkObjectLiteralAssignment(node, sourceType, contextualMapper) {
var properties = node.properties;
for (var _i = 0; _i < properties.length; _i++) {
var p = properties[_i];
if (p.kind === 224 || p.kind === 225) {
var name_8 = p.name;
var type = sourceType.flags & 1 ? sourceType : getTypeOfPropertyOfType(sourceType, name_8.text) || isNumericLiteralName(name_8.text) && getIndexTypeOfType(sourceType, 1) || getIndexTypeOfType(sourceType, 0);
if (type) {
checkDestructuringAssignment(p.initializer || name_8, type);
}
else {
error(name_8, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(sourceType), ts.declarationNameToString(name_8));
}
}
else {
error(p, ts.Diagnostics.Property_assignment_expected);
}
}
return sourceType;
}
function checkArrayLiteralAssignment(node, sourceType, contextualMapper) {
if (!isArrayLikeType(sourceType)) {
error(node, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(sourceType));
return sourceType;
}
var elements = node.elements;
for (var i = 0; i < elements.length; i++) {
var e = elements[i];
if (e.kind !== 175) {
if (e.kind !== 173) {
var propName = "" + i;
var type = sourceType.flags & 1 ? sourceType : isTupleLikeType(sourceType) ? getTypeOfPropertyOfType(sourceType, propName) : getIndexTypeOfType(sourceType, 1);
if (type) {
checkDestructuringAssignment(e, type, contextualMapper);
}
else {
if (isTupleType(sourceType)) {
error(e, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), sourceType.elementTypes.length, elements.length);
}
else {
error(e, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName);
}
}
}
else {
if (i === elements.length - 1) {
checkReferenceAssignment(e.expression, sourceType, contextualMapper);
}
else {
error(e, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern);
}
}
}
}
return sourceType;
}
function checkDestructuringAssignment(target, sourceType, contextualMapper) {
if (target.kind === 169 && target.operatorToken.kind === 53) {
checkBinaryExpression(target, contextualMapper);
target = target.left;
}
if (target.kind === 154) {
return checkObjectLiteralAssignment(target, sourceType, contextualMapper);
}
if (target.kind === 153) {
return checkArrayLiteralAssignment(target, sourceType, contextualMapper);
}
return checkReferenceAssignment(target, sourceType, contextualMapper);
}
function checkReferenceAssignment(target, sourceType, contextualMapper) {
var targetType = checkExpression(target, contextualMapper);
if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant)) {
checkTypeAssignableTo(sourceType, targetType, target, undefined);
}
return sourceType;
}
function checkBinaryExpression(node, contextualMapper) {
if (ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) {
checkGrammarEvalOrArgumentsInStrictMode(node, node.left);
}
var operator = node.operatorToken.kind;
if (operator === 53 && (node.left.kind === 154 || node.left.kind === 153)) {
return checkDestructuringAssignment(node.left, checkExpression(node.right, contextualMapper), contextualMapper);
}
var leftType = checkExpression(node.left, contextualMapper);
var rightType = checkExpression(node.right, contextualMapper);
switch (operator) {
case 35:
case 56:
case 36:
case 57:
case 37:
case 58:
case 34:
case 55:
case 40:
case 59:
case 41:
case 60:
case 42:
case 61:
case 44:
case 63:
case 45:
case 64:
case 43:
case 62:
if (leftType.flags & (32 | 64))
leftType = rightType;
if (rightType.flags & (32 | 64))
rightType = leftType;
var suggestedOperator;
if ((leftType.flags & 8) && (rightType.flags & 8) && (suggestedOperator = getSuggestedBooleanOperator(node.operatorToken.kind)) !== undefined) {
error(node, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(node.operatorToken.kind), ts.tokenToString(suggestedOperator));
}
else {
var leftOk = checkArithmeticOperandType(node.left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type);
var rightOk = checkArithmeticOperandType(node.right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type);
if (leftOk && rightOk) {
checkAssignmentOperator(numberType);
}
}
return numberType;
case 33:
case 54:
if (leftType.flags & (32 | 64))
leftType = rightType;
if (rightType.flags & (32 | 64))
rightType = leftType;
var resultType;
if (allConstituentTypesHaveKind(leftType, 132) && allConstituentTypesHaveKind(rightType, 132)) {
resultType = numberType;
}
else {
if (allConstituentTypesHaveKind(leftType, 258) || allConstituentTypesHaveKind(rightType, 258)) {
resultType = stringType;
}
else if (leftType.flags & 1 || rightType.flags & 1) {
resultType = anyType;
}
if (resultType && !checkForDisallowedESSymbolOperand(operator)) {
return resultType;
}
}
if (!resultType) {
reportOperatorError();
return anyType;
}
if (operator === 54) {
checkAssignmentOperator(resultType);
}
return resultType;
case 24:
case 25:
case 26:
case 27:
if (!checkForDisallowedESSymbolOperand(operator)) {
return booleanType;
}
case 28:
case 29:
case 30:
case 31:
if (!isTypeAssignableTo(leftType, rightType) && !isTypeAssignableTo(rightType, leftType)) {
reportOperatorError();
}
return booleanType;
case 87:
return checkInstanceOfExpression(node, leftType, rightType);
case 86:
return checkInExpression(node, leftType, rightType);
case 48:
return rightType;
case 49:
return getUnionType([
leftType,
rightType
]);
case 53:
checkAssignmentOperator(rightType);
return rightType;
case 23:
return rightType;
}
function checkForDisallowedESSymbolOperand(operator) {
var offendingSymbolOperand = someConstituentTypeHasKind(leftType, 1048576) ? node.left : someConstituentTypeHasKind(rightType, 1048576) ? node.right : undefined;
if (offendingSymbolOperand) {
error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator));
return false;
}
return true;
}
function getSuggestedBooleanOperator(operator) {
switch (operator) {
case 44:
case 63:
return 49;
case 45:
case 64:
return 31;
case 43:
case 62:
return 48;
default:
return undefined;
}
}
function checkAssignmentOperator(valueType) {
if (produceDiagnostics && operator >= 53 && operator <= 64) {
var ok = checkReferenceExpression(node.left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant);
if (ok) {
checkTypeAssignableTo(valueType, leftType, node.left, undefined);
}
}
}
function reportOperatorError() {
error(node, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(node.operatorToken.kind), typeToString(leftType), typeToString(rightType));
}
}
function checkYieldExpression(node) {
if (!(node.parserContextFlags & 4)) {
grammarErrorOnFirstToken(node, ts.Diagnostics.yield_expression_must_be_contained_within_a_generator_declaration);
}
else {
grammarErrorOnFirstToken(node, ts.Diagnostics.yield_expressions_are_not_currently_supported);
}
}
function checkConditionalExpression(node, contextualMapper) {
checkExpression(node.condition);
var type1 = checkExpression(node.whenTrue, contextualMapper);
var type2 = checkExpression(node.whenFalse, contextualMapper);
return getUnionType([
type1,
type2
]);
}
function checkTemplateExpression(node) {
ts.forEach(node.templateSpans, function (templateSpan) {
checkExpression(templateSpan.expression);
});
return stringType;
}
function checkExpressionWithContextualType(node, contextualType, contextualMapper) {
var saveContextualType = node.contextualType;
node.contextualType = contextualType;
var result = checkExpression(node, contextualMapper);
node.contextualType = saveContextualType;
return result;
}
function checkExpressionCached(node, contextualMapper) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = checkExpression(node, contextualMapper);
}
return links.resolvedType;
}
function checkPropertyAssignment(node, contextualMapper) {
if (node.name.kind === 127) {
checkComputedPropertyName(node.name);
}
return checkExpression(node.initializer, contextualMapper);
}
function checkObjectLiteralMethod(node, contextualMapper) {
checkGrammarMethod(node);
if (node.name.kind === 127) {
checkComputedPropertyName(node.name);
}
var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper);
return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper);
}
function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) {
if (contextualMapper && contextualMapper !== identityMapper) {
var signature = getSingleCallSignature(type);
if (signature && signature.typeParameters) {
var contextualType = getContextualType(node);
if (contextualType) {
var contextualSignature = getSingleCallSignature(contextualType);
if (contextualSignature && !contextualSignature.typeParameters) {
return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper));
}
}
}
}
return type;
}
function checkExpression(node, contextualMapper) {
return checkExpressionOrQualifiedName(node, contextualMapper);
}
function checkExpressionOrQualifiedName(node, contextualMapper) {
var type;
if (node.kind == 126) {
type = checkQualifiedName(node);
}
else {
var uninstantiatedType = checkExpressionWorker(node, contextualMapper);
type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper);
}
if (isConstEnumObjectType(type)) {
var ok = (node.parent.kind === 155 && node.parent.expression === node) || (node.parent.kind === 156 && node.parent.expression === node) || ((node.kind === 65 || node.kind === 126) && isInRightSideOfImportOrExportAssignment(node));
if (!ok) {
error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment);
}
}
return type;
}
function checkNumericLiteral(node) {
checkGrammarNumbericLiteral(node);
return numberType;
}
function checkExpressionWorker(node, contextualMapper) {
switch (node.kind) {
case 65:
return checkIdentifier(node);
case 93:
return checkThisExpression(node);
case 91:
return checkSuperExpression(node);
case 89:
return nullType;
case 95:
case 80:
return booleanType;
case 7:
return checkNumericLiteral(node);
case 171:
return checkTemplateExpression(node);
case 8:
case 10:
return stringType;
case 9:
return globalRegExpType;
case 153:
return checkArrayLiteral(node, contextualMapper);
case 154:
return checkObjectLiteral(node, contextualMapper);
case 155:
return checkPropertyAccessExpression(node);
case 156:
return checkIndexedAccess(node);
case 157:
case 158:
return checkCallExpression(node);
case 159:
return checkTaggedTemplateExpression(node);
case 160:
return checkTypeAssertion(node);
case 161:
return checkExpression(node.expression, contextualMapper);
case 174:
return checkClassExpression(node);
case 162:
case 163:
return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper);
case 165:
return checkTypeOfExpression(node);
case 164:
return checkDeleteExpression(node);
case 166:
return checkVoidExpression(node);
case 167:
return checkPrefixUnaryExpression(node);
case 168:
return checkPostfixUnaryExpression(node);
case 169:
return checkBinaryExpression(node, contextualMapper);
case 170:
return checkConditionalExpression(node, contextualMapper);
case 173:
return checkSpreadElementExpression(node, contextualMapper);
case 175:
return undefinedType;
case 172:
checkYieldExpression(node);
return unknownType;
}
return unknownType;
}
function checkTypeParameter(node) {
if (node.expression) {
grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected);
}
checkSourceElement(node.constraint);
if (produceDiagnostics) {
checkTypeParameterHasIllegalReferencesInConstraint(node);
checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0);
}
}
function checkParameter(node) {
// Grammar checking
// It is a SyntaxError if the Identifier "eval" or the Identifier "arguments" occurs as the
// Identifier in a PropertySetParameterList of a PropertyAssignment that is contained in strict code
// or if its FunctionBody is strict code(11.1.5).
// It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a
// strict mode FunctionLikeDeclaration or FunctionExpression(13.1)
checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarEvalOrArgumentsInStrictMode(node, node.name);
checkVariableLikeDeclaration(node);
var func = ts.getContainingFunction(node);
if (node.flags & 112) {
func = ts.getContainingFunction(node);
if (!(func.kind === 135 && ts.nodeIsPresent(func.body))) {
error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation);
}
}
if (node.questionToken && ts.isBindingPattern(node.name) && func.body) {
error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature);
}
if (node.dotDotDotToken) {
if (!isArrayType(getTypeOfSymbol(node.symbol))) {
error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type);
}
}
}
function checkSignatureDeclaration(node) {
if (node.kind === 140) {
checkGrammarIndexSignature(node);
}
else if (node.kind === 142 || node.kind === 200 || node.kind === 143 || node.kind === 138 || node.kind === 135 || node.kind === 139) {
checkGrammarFunctionLikeDeclaration(node);
}
checkTypeParameters(node.typeParameters);
ts.forEach(node.parameters, checkParameter);
if (node.type) {
checkSourceElement(node.type);
}
if (produceDiagnostics) {
checkCollisionWithArgumentsInGeneratedCode(node);
if (compilerOptions.noImplicitAny && !node.type) {
switch (node.kind) {
case 139:
error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type);
break;
case 138:
error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type);
break;
}
}
}
checkSpecializedSignatureDeclaration(node);
}
function checkTypeForDuplicateIndexSignatures(node) {
if (node.kind === 202) {
var nodeSymbol = getSymbolOfNode(node);
if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) {
return;
}
}
var indexSymbol = getIndexSymbol(getSymbolOfNode(node));
if (indexSymbol) {
var seenNumericIndexer = false;
var seenStringIndexer = false;
for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) {
var decl = _a[_i];
var declaration = decl;
if (declaration.parameters.length === 1 && declaration.parameters[0].type) {
switch (declaration.parameters[0].type.kind) {
case 121:
if (!seenStringIndexer) {
seenStringIndexer = true;
}
else {
error(declaration, ts.Diagnostics.Duplicate_string_index_signature);
}
break;
case 119:
if (!seenNumericIndexer) {
seenNumericIndexer = true;
}
else {
error(declaration, ts.Diagnostics.Duplicate_number_index_signature);
}
break;
}
}
}
}
}
function checkPropertyDeclaration(node) {
checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name);
checkVariableLikeDeclaration(node);
}
function checkMethodDeclaration(node) {
checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name);
checkFunctionLikeDeclaration(node);
}
function checkConstructorDeclaration(node) {
checkSignatureDeclaration(node);
checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node);
checkSourceElement(node.body);
var symbol = getSymbolOfNode(node);
var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind);
if (node === firstDeclaration) {
checkFunctionOrConstructorSymbol(symbol);
}
if (ts.nodeIsMissing(node.body)) {
return;
}
if (!produceDiagnostics) {
return;
}
function isSuperCallExpression(n) {
return n.kind === 157 && n.expression.kind === 91;
}
function containsSuperCall(n) {
if (isSuperCallExpression(n)) {
return true;
}
switch (n.kind) {
case 162:
case 200:
case 163:
case 154:
return false;
default:
return ts.forEachChild(n, containsSuperCall);
}
}
function markThisReferencesAsErrors(n) {
if (n.kind === 93) {
error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location);
}
else if (n.kind !== 162 && n.kind !== 200) {
ts.forEachChild(n, markThisReferencesAsErrors);
}
}
function isInstancePropertyWithInitializer(n) {
return n.kind === 132 && !(n.flags & 128) && !!n.initializer;
}
if (ts.getClassExtendsHeritageClauseElement(node.parent)) {
if (containsSuperCall(node.body)) {
var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || ts.forEach(node.parameters, function (p) {
return p.flags & (16 | 32 | 64);
});
if (superCallShouldBeFirst) {
var statements = node.body.statements;
if (!statements.length || statements[0].kind !== 182 || !isSuperCallExpression(statements[0].expression)) {
error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties);
}
else {
markThisReferencesAsErrors(statements[0].expression);
}
}
}
else {
error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call);
}
}
}
function checkAccessorDeclaration(node) {
if (produceDiagnostics) {
checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name);
if (node.kind === 136) {
if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && !(bodyContainsAReturnStatement(node.body) || bodyContainsSingleThrowStatement(node.body))) {
error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value_or_consist_of_a_single_throw_statement);
}
}
if (!ts.hasDynamicName(node)) {
var otherKind = node.kind === 136 ? 137 : 136;
var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind);
if (otherAccessor) {
if (((node.flags & 112) !== (otherAccessor.flags & 112))) {
error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility);
}
var currentAccessorType = getAnnotatedAccessorType(node);
var otherAccessorType = getAnnotatedAccessorType(otherAccessor);
if (currentAccessorType && otherAccessorType) {
if (!isTypeIdenticalTo(currentAccessorType, otherAccessorType)) {
error(node, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type);
}
}
}
}
checkAndStoreTypeOfAccessors(getSymbolOfNode(node));
}
checkFunctionLikeDeclaration(node);
}
function checkMissingDeclaration(node) {
checkDecorators(node);
}
function checkTypeReferenceNode(node) {
return checkTypeReferenceOrHeritageClauseElement(node);
}
function checkHeritageClauseElement(node) {
return checkTypeReferenceOrHeritageClauseElement(node);
}
function checkTypeReferenceOrHeritageClauseElement(node) {
checkGrammarTypeArguments(node, node.typeArguments);
var type = getTypeFromTypeReferenceOrHeritageClauseElement(node);
if (type !== unknownType && node.typeArguments) {
var len = node.typeArguments.length;
for (var i = 0; i < len; i++) {
checkSourceElement(node.typeArguments[i]);
var constraint = getConstraintOfTypeParameter(type.target.typeParameters[i]);
if (produceDiagnostics && constraint) {
var typeArgument = type.typeArguments[i];
checkTypeAssignableTo(typeArgument, constraint, node, ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1);
}
}
}
}
function checkTypeQuery(node) {
getTypeFromTypeQueryNode(node);
}
function checkTypeLiteral(node) {
ts.forEach(node.members, checkSourceElement);
if (produceDiagnostics) {
var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node);
checkIndexConstraints(type);
checkTypeForDuplicateIndexSignatures(node);
}
}
function checkArrayType(node) {
checkSourceElement(node.elementType);
}
function checkTupleType(node) {
var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes);
if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) {
grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty);
}
ts.forEach(node.elementTypes, checkSourceElement);
}
function checkUnionType(node) {
ts.forEach(node.types, checkSourceElement);
}
function isPrivateWithinAmbient(node) {
return (node.flags & 32) && ts.isInAmbientContext(node);
}
function checkSpecializedSignatureDeclaration(signatureDeclarationNode) {
if (!produceDiagnostics) {
return;
}
var signature = getSignatureFromDeclaration(signatureDeclarationNode);
if (!signature.hasStringLiterals) {
return;
}
if (ts.nodeIsPresent(signatureDeclarationNode.body)) {
error(signatureDeclarationNode, ts.Diagnostics.A_signature_with_an_implementation_cannot_use_a_string_literal_type);
return;
}
var signaturesToCheck;
if (!signatureDeclarationNode.name && signatureDeclarationNode.parent && signatureDeclarationNode.parent.kind === 202) {
ts.Debug.assert(signatureDeclarationNode.kind === 138 || signatureDeclarationNode.kind === 139);
var signatureKind = signatureDeclarationNode.kind === 138 ? 0 : 1;
var containingSymbol = getSymbolOfNode(signatureDeclarationNode.parent);
var containingType = getDeclaredTypeOfSymbol(containingSymbol);
signaturesToCheck = getSignaturesOfType(containingType, signatureKind);
}
else {
signaturesToCheck = getSignaturesOfSymbol(getSymbolOfNode(signatureDeclarationNode));
}
for (var _i = 0; _i < signaturesToCheck.length; _i++) {
var otherSignature = signaturesToCheck[_i];
if (!otherSignature.hasStringLiterals && isSignatureAssignableTo(signature, otherSignature)) {
return;
}
}
error(signatureDeclarationNode, ts.Diagnostics.Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature);
}
function getEffectiveDeclarationFlags(n, flagsToCheck) {
var flags = ts.getCombinedNodeFlags(n);
if (n.parent.kind !== 202 && ts.isInAmbientContext(n)) {
if (!(flags & 2)) {
flags |= 1;
}
flags |= 2;
}
return flags & flagsToCheck;
}
function checkFunctionOrConstructorSymbol(symbol) {
if (!produceDiagnostics) {
return;
}
function getCanonicalOverload(overloads, implementation) {
var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent;
return implementationSharesContainerWithFirstOverload ? implementation : overloads[0];
}
function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) {
var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags;
if (someButNotAllOverloadFlags !== 0) {
var canonicalFlags = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck);
ts.forEach(overloads, function (o) {
var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags;
if (deviation & 1) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_not_exported);
}
else if (deviation & 2) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient);
}
else if (deviation & (32 | 64)) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected);
}
});
}
}
function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) {
if (someHaveQuestionToken !== allHaveQuestionToken) {
var canonicalHasQuestionToken = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation));
ts.forEach(overloads, function (o) {
var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken;
if (deviation) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required);
}
});
}
}
var flagsToCheck = 1 | 2 | 32 | 64;
var someNodeFlags = 0;
var allNodeFlags = flagsToCheck;
var someHaveQuestionToken = false;
var allHaveQuestionToken = true;
var hasOverloads = false;
var bodyDeclaration;
var lastSeenNonAmbientDeclaration;
var previousDeclaration;
var declarations = symbol.declarations;
var isConstructor = (symbol.flags & 16384) !== 0;
function reportImplementationExpectedError(node) {
if (node.name && ts.nodeIsMissing(node.name)) {
return;
}
var seen = false;
var subsequentNode = ts.forEachChild(node.parent, function (c) {
if (seen) {
return c;
}
else {
seen = c === node;
}
});
if (subsequentNode) {
if (subsequentNode.kind === node.kind) {
var errorNode_1 = subsequentNode.name || subsequentNode;
if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) {
ts.Debug.assert(node.kind === 134 || node.kind === 133);
ts.Debug.assert((node.flags & 128) !== (subsequentNode.flags & 128));
var diagnostic = node.flags & 128 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static;
error(errorNode_1, diagnostic);
return;
}
else if (ts.nodeIsPresent(subsequentNode.body)) {
error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name));
return;
}
}
}
var errorNode = node.name || node;
if (isConstructor) {
error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing);
}
else {
error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration);
}
}
var isExportSymbolInsideModule = symbol.parent && symbol.parent.flags & 1536;
var duplicateFunctionDeclaration = false;
var multipleConstructorImplementation = false;
for (var _i = 0; _i < declarations.length; _i++) {
var current = declarations[_i];
var node = current;
var inAmbientContext = ts.isInAmbientContext(node);
var inAmbientContextOrInterface = node.parent.kind === 202 || node.parent.kind === 145 || inAmbientContext;
if (inAmbientContextOrInterface) {
previousDeclaration = undefined;
}
if (node.kind === 200 || node.kind === 134 || node.kind === 133 || node.kind === 135) {
var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck);
someNodeFlags |= currentNodeFlags;
allNodeFlags &= currentNodeFlags;
someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node);
allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node);
if (ts.nodeIsPresent(node.body) && bodyDeclaration) {
if (isConstructor) {
multipleConstructorImplementation = true;
}
else {
duplicateFunctionDeclaration = true;
}
}
else if (!isExportSymbolInsideModule && previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) {
reportImplementationExpectedError(previousDeclaration);
}
if (ts.nodeIsPresent(node.body)) {
if (!bodyDeclaration) {
bodyDeclaration = node;
}
}
else {
hasOverloads = true;
}
previousDeclaration = node;
if (!inAmbientContextOrInterface) {
lastSeenNonAmbientDeclaration = node;
}
}
}
if (multipleConstructorImplementation) {
ts.forEach(declarations, function (declaration) {
error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed);
});
}
if (duplicateFunctionDeclaration) {
ts.forEach(declarations, function (declaration) {
error(declaration.name, ts.Diagnostics.Duplicate_function_implementation);
});
}
if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body) {
reportImplementationExpectedError(lastSeenNonAmbientDeclaration);
}
if (hasOverloads) {
checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags);
checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken);
if (bodyDeclaration) {
var signatures = getSignaturesOfSymbol(symbol);
var bodySignature = getSignatureFromDeclaration(bodyDeclaration);
if (!bodySignature.hasStringLiterals) {
for (var _a = 0; _a < signatures.length; _a++) {
var signature = signatures[_a];
if (!signature.hasStringLiterals && !isSignatureAssignableTo(bodySignature, signature)) {
error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation);
break;
}
}
}
}
}
}
function checkExportsOnMergedDeclarations(node) {
if (!produceDiagnostics) {
return;
}
var symbol = node.localSymbol;
if (!symbol) {
symbol = getSymbolOfNode(node);
if (!(symbol.flags & 7340032)) {
return;
}
}
if (ts.getDeclarationOfKind(symbol, node.kind) !== node) {
return;
}
var exportedDeclarationSpaces = 0;
var nonExportedDeclarationSpaces = 0;
ts.forEach(symbol.declarations, function (d) {
var declarationSpaces = getDeclarationSpaces(d);
if (getEffectiveDeclarationFlags(d, 1)) {
exportedDeclarationSpaces |= declarationSpaces;
}
else {
nonExportedDeclarationSpaces |= declarationSpaces;
}
});
var commonDeclarationSpace = exportedDeclarationSpaces & nonExportedDeclarationSpaces;
if (commonDeclarationSpace) {
ts.forEach(symbol.declarations, function (d) {
if (getDeclarationSpaces(d) & commonDeclarationSpace) {
error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name));
}
});
}
function getDeclarationSpaces(d) {
switch (d.kind) {
case 202:
return 2097152;
case 205:
return d.name.kind === 8 || ts.getModuleInstanceState(d) !== 0 ? 4194304 | 1048576 : 4194304;
case 201:
case 204:
return 2097152 | 1048576;
case 208:
var result = 0;
var target = resolveAlias(getSymbolOfNode(d));
ts.forEach(target.declarations, function (d) {
result |= getDeclarationSpaces(d);
});
return result;
default:
return 1048576;
}
}
}
function checkDecorator(node) {
var expression = node.expression;
var exprType = checkExpression(expression);
switch (node.parent.kind) {
case 201:
var classSymbol = getSymbolOfNode(node.parent);
var classConstructorType = getTypeOfSymbol(classSymbol);
var classDecoratorType = instantiateSingleCallFunctionType(globalClassDecoratorType, [
classConstructorType
]);
checkTypeAssignableTo(exprType, classDecoratorType, node);
break;
case 132:
checkTypeAssignableTo(exprType, globalPropertyDecoratorType, node);
break;
case 134:
case 136:
case 137:
var methodType = getTypeOfNode(node.parent);
var methodDecoratorType = instantiateSingleCallFunctionType(globalMethodDecoratorType, [
methodType
]);
checkTypeAssignableTo(exprType, methodDecoratorType, node);
break;
case 129:
checkTypeAssignableTo(exprType, globalParameterDecoratorType, node);
break;
}
}
function checkDecorators(node) {
if (!node.decorators) {
return;
}
switch (node.kind) {
case 201:
case 134:
case 136:
case 137:
case 132:
case 129:
emitDecorate = true;
break;
default:
return;
}
ts.forEach(node.decorators, checkDecorator);
}
function checkFunctionDeclaration(node) {
if (produceDiagnostics) {
checkFunctionLikeDeclaration(node) || checkGrammarDisallowedModifiersInBlockOrObjectLiteralExpression(node) || checkGrammarFunctionName(node.name) || checkGrammarForGenerator(node);
checkCollisionWithCapturedSuperVariable(node, node.name);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
}
}
function checkFunctionLikeDeclaration(node) {
checkDecorators(node);
checkSignatureDeclaration(node);
if (node.name && node.name.kind === 127) {
checkComputedPropertyName(node.name);
}
if (!ts.hasDynamicName(node)) {
var symbol = getSymbolOfNode(node);
var localSymbol = node.localSymbol || symbol;
var firstDeclaration = ts.getDeclarationOfKind(localSymbol, node.kind);
if (node === firstDeclaration) {
checkFunctionOrConstructorSymbol(localSymbol);
}
if (symbol.parent) {
if (ts.getDeclarationOfKind(symbol, node.kind) === node) {
checkFunctionOrConstructorSymbol(symbol);
}
}
}
checkSourceElement(node.body);
if (node.type && !isAccessor(node.kind)) {
checkIfNonVoidFunctionHasReturnExpressionsOrSingleThrowStatment(node, getTypeFromTypeNodeOrHeritageClauseElement(node.type));
}
if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !node.type && !isPrivateWithinAmbient(node)) {
reportImplicitAnyError(node, anyType);
}
}
function checkBlock(node) {
if (node.kind === 179) {
checkGrammarStatementInAmbientContext(node);
}
ts.forEach(node.statements, checkSourceElement);
if (ts.isFunctionBlock(node) || node.kind === 206) {
checkFunctionExpressionBodies(node);
}
}
function checkCollisionWithArgumentsInGeneratedCode(node) {
if (!ts.hasRestParameters(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) {
return;
}
ts.forEach(node.parameters, function (p) {
if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) {
error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters);
}
});
}
function needCollisionCheckForIdentifier(node, identifier, name) {
if (!(identifier && identifier.text === name)) {
return false;
}
if (node.kind === 132 || node.kind === 131 || node.kind === 134 || node.kind === 133 || node.kind === 136 || node.kind === 137) {
return false;
}
if (ts.isInAmbientContext(node)) {
return false;
}
var root = getRootDeclaration(node);
if (root.kind === 129 && ts.nodeIsMissing(root.parent.body)) {
return false;
}
return true;
}
function checkCollisionWithCapturedThisVariable(node, name) {
if (needCollisionCheckForIdentifier(node, name, "_this")) {
potentialThisCollisions.push(node);
}
}
function checkIfThisIsCapturedInEnclosingScope(node) {
var current = node;
while (current) {
if (getNodeCheckFlags(current) & 4) {
var isDeclaration_1 = node.kind !== 65;
if (isDeclaration_1) {
error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference);
}
else {
error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference);
}
return;
}
current = current.parent;
}
}
function checkCollisionWithCapturedSuperVariable(node, name) {
if (!needCollisionCheckForIdentifier(node, name, "_super")) {
return;
}
var enclosingClass = ts.getAncestor(node, 201);
if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) {
return;
}
if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) {
var isDeclaration_2 = node.kind !== 65;
if (isDeclaration_2) {
error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference);
}
else {
error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference);
}
}
}
function checkCollisionWithRequireExportsInGeneratedCode(node, name) {
if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) {
return;
}
if (node.kind === 205 && ts.getModuleInstanceState(node) !== 1) {
return;
}
var parent = getDeclarationContainer(node);
if (parent.kind === 227 && ts.isExternalModule(parent)) {
error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_an_external_module, ts.declarationNameToString(name), ts.declarationNameToString(name));
}
}
function checkVarDeclaredNamesNotShadowed(node) {
// - ScriptBody : StatementList
// It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList
// also occurs in the VarDeclaredNames of StatementList.
if ((ts.getCombinedNodeFlags(node) & 12288) !== 0 || isParameterDeclaration(node)) {
return;
}
if (node.kind === 198 && !node.initializer) {
return;
}
var symbol = getSymbolOfNode(node);
if (symbol.flags & 1) {
var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined);
if (localDeclarationSymbol && localDeclarationSymbol !== symbol && localDeclarationSymbol.flags & 2) {
if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 12288) {
var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 199);
var container = varDeclList.parent.kind === 180 && varDeclList.parent.parent ? varDeclList.parent.parent : undefined;
var namesShareScope = container && (container.kind === 179 && ts.isFunctionLike(container.parent) || container.kind === 206 || container.kind === 205 || container.kind === 227);
if (!namesShareScope) {
var name_9 = symbolToString(localDeclarationSymbol);
error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_9, name_9);
}
}
}
}
}
function isParameterDeclaration(node) {
while (node.kind === 152) {
node = node.parent.parent;
}
return node.kind === 129;
}
function checkParameterInitializer(node) {
if (getRootDeclaration(node).kind !== 129) {
return;
}
var func = ts.getContainingFunction(node);
visit(node.initializer);
function visit(n) {
if (n.kind === 65) {
var referencedSymbol = getNodeLinks(n).resolvedSymbol;
if (referencedSymbol && referencedSymbol !== unknownSymbol && getSymbol(func.locals, referencedSymbol.name, 107455) === referencedSymbol) {
if (referencedSymbol.valueDeclaration.kind === 129) {
if (referencedSymbol.valueDeclaration === node) {
error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name));
return;
}
if (referencedSymbol.valueDeclaration.pos < node.pos) {
return;
}
}
error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n));
}
}
else {
ts.forEachChild(n, visit);
}
}
}
function checkVariableLikeDeclaration(node) {
checkDecorators(node);
checkSourceElement(node.type);
if (node.name.kind === 127) {
checkComputedPropertyName(node.name);
if (node.initializer) {
checkExpressionCached(node.initializer);
}
}
if (ts.isBindingPattern(node.name)) {
ts.forEach(node.name.elements, checkSourceElement);
}
if (node.initializer && getRootDeclaration(node).kind === 129 && ts.nodeIsMissing(ts.getContainingFunction(node).body)) {
error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation);
return;
}
if (ts.isBindingPattern(node.name)) {
if (node.initializer) {
checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, undefined);
checkParameterInitializer(node);
}
return;
}
var symbol = getSymbolOfNode(node);
var type = getTypeOfVariableOrParameterOrProperty(symbol);
if (node === symbol.valueDeclaration) {
if (node.initializer) {
checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, undefined);
checkParameterInitializer(node);
}
}
else {
var declarationType = getWidenedTypeForVariableLikeDeclaration(node);
if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) {
error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType));
}
if (node.initializer) {
checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, undefined);
}
}
if (node.kind !== 132 && node.kind !== 131) {
checkExportsOnMergedDeclarations(node);
if (node.kind === 198 || node.kind === 152) {
checkVarDeclaredNamesNotShadowed(node);
}
checkCollisionWithCapturedSuperVariable(node, node.name);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
}
}
function checkVariableDeclaration(node) {
checkGrammarVariableDeclaration(node);
return checkVariableLikeDeclaration(node);
}
function checkBindingElement(node) {
checkGrammarBindingElement(node);
return checkVariableLikeDeclaration(node);
}
function checkVariableStatement(node) {
checkGrammarDecorators(node) || checkGrammarDisallowedModifiersInBlockOrObjectLiteralExpression(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node);
ts.forEach(node.declarationList.declarations, checkSourceElement);
}
function checkGrammarDisallowedModifiersInBlockOrObjectLiteralExpression(node) {
if (node.modifiers) {
if (inBlockOrObjectLiteralExpression(node)) {
return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here);
}
}
}
function inBlockOrObjectLiteralExpression(node) {
while (node) {
if (node.kind === 179 || node.kind === 154) {
return true;
}
node = node.parent;
}
}
function checkExpressionStatement(node) {
checkGrammarStatementInAmbientContext(node);
checkExpression(node.expression);
}
function checkIfStatement(node) {
checkGrammarStatementInAmbientContext(node);
checkExpression(node.expression);
checkSourceElement(node.thenStatement);
checkSourceElement(node.elseStatement);
}
function checkDoStatement(node) {
checkGrammarStatementInAmbientContext(node);
checkSourceElement(node.statement);
checkExpression(node.expression);
}
function checkWhileStatement(node) {
checkGrammarStatementInAmbientContext(node);
checkExpression(node.expression);
checkSourceElement(node.statement);
}
function checkForStatement(node) {
if (!checkGrammarStatementInAmbientContext(node)) {
if (node.initializer && node.initializer.kind == 199) {
checkGrammarVariableDeclarationList(node.initializer);
}
}
if (node.initializer) {
if (node.initializer.kind === 199) {
ts.forEach(node.initializer.declarations, checkVariableDeclaration);
}
else {
checkExpression(node.initializer);
}
}
if (node.condition)
checkExpression(node.condition);
if (node.iterator)
checkExpression(node.iterator);
checkSourceElement(node.statement);
}
function checkForOfStatement(node) {
checkGrammarForInOrForOfStatement(node);
if (node.initializer.kind === 199) {
checkForInOrForOfVariableDeclaration(node);
}
else {
var varExpr = node.initializer;
var iteratedType = checkRightHandSideOfForOf(node.expression);
if (varExpr.kind === 153 || varExpr.kind === 154) {
checkDestructuringAssignment(varExpr, iteratedType || unknownType);
}
else {
var leftType = checkExpression(varExpr);
checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant);
if (iteratedType) {
checkTypeAssignableTo(iteratedType, leftType, varExpr, undefined);
}
}
}
checkSourceElement(node.statement);
}
function checkForInStatement(node) {
checkGrammarForInOrForOfStatement(node);
if (node.initializer.kind === 199) {
var variable = node.initializer.declarations[0];
if (variable && ts.isBindingPattern(variable.name)) {
error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern);
}
checkForInOrForOfVariableDeclaration(node);
}
else {
var varExpr = node.initializer;
var leftType = checkExpression(varExpr);
if (varExpr.kind === 153 || varExpr.kind === 154) {
error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern);
}
else if (!allConstituentTypesHaveKind(leftType, 1 | 258)) {
error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any);
}
else {
checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant);
}
}
var rightType = checkExpression(node.expression);
if (!allConstituentTypesHaveKind(rightType, 1 | 48128 | 512)) {
error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter);
}
checkSourceElement(node.statement);
}
function checkForInOrForOfVariableDeclaration(iterationStatement) {
var variableDeclarationList = iterationStatement.initializer;
if (variableDeclarationList.declarations.length >= 1) {
var decl = variableDeclarationList.declarations[0];
checkVariableDeclaration(decl);
}
}
function checkRightHandSideOfForOf(rhsExpression) {
var expressionType = getTypeOfExpression(rhsExpression);
return languageVersion >= 2 ? checkIteratedType(expressionType, rhsExpression) : checkElementTypeOfArrayOrString(expressionType, rhsExpression);
}
function checkIteratedType(iterable, expressionForError) {
ts.Debug.assert(languageVersion >= 2);
var iteratedType = getIteratedType(iterable, expressionForError);
if (expressionForError && iteratedType) {
var completeIterableType = globalIterableType !== emptyObjectType ? createTypeReference(globalIterableType, [
iteratedType
]) : emptyObjectType;
checkTypeAssignableTo(iterable, completeIterableType, expressionForError);
}
return iteratedType;
function getIteratedType(iterable, expressionForError) {
// We want to treat type as an iterable, and get the type it is an iterable of. The iterable
// must have the following structure (annotated with the names of the variables below):
//
// { // iterable
// [Symbol.iterator]: { // iteratorFunction
// (): { // iterator
// next: { // iteratorNextFunction
// (): { // iteratorNextResult
// value: T // iteratorNextValue
// }
// }
// }
// }
// }
//
// T is the type we are after. At every level that involves analyzing return types
// of signatures, we union the return types of all the signatures.
//
// Another thing to note is that at any step of this process, we could run into a dead end,
// meaning either the property is missing, or we run into the anyType. If either of these things
// happens, we return undefined to signal that we could not find the iterated type. If a property
// is missing, and the previous step did not result in 'any', then we also give an error if the
// caller requested it. Then the caller can decide what to do in the case where there is no iterated
// type. This is different from returning anyType, because that would signify that we have matched the
// whole pattern and that T (above) is 'any'.
if (allConstituentTypesHaveKind(iterable, 1)) {
return undefined;
}
var iteratorFunction = getTypeOfPropertyOfType(iterable, ts.getPropertyNameForKnownSymbolName("iterator"));
if (iteratorFunction && allConstituentTypesHaveKind(iteratorFunction, 1)) {
return undefined;
}
var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0) : emptyArray;
if (iteratorFunctionSignatures.length === 0) {
if (expressionForError) {
error(expressionForError, ts.Diagnostics.The_right_hand_side_of_a_for_of_statement_must_have_a_Symbol_iterator_method_that_returns_an_iterator);
}
return undefined;
}
var iterator = getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature));
if (allConstituentTypesHaveKind(iterator, 1)) {
return undefined;
}
var iteratorNextFunction = getTypeOfPropertyOfType(iterator, "next");
if (iteratorNextFunction && allConstituentTypesHaveKind(iteratorNextFunction, 1)) {
return undefined;
}
var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0) : emptyArray;
if (iteratorNextFunctionSignatures.length === 0) {
if (expressionForError) {
error(expressionForError, ts.Diagnostics.The_iterator_returned_by_the_right_hand_side_of_a_for_of_statement_must_have_a_next_method);
}
return undefined;
}
var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature));
if (allConstituentTypesHaveKind(iteratorNextResult, 1)) {
return undefined;
}
var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value");
if (!iteratorNextValue) {
if (expressionForError) {
error(expressionForError, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property);
}
return undefined;
}
return iteratorNextValue;
}
}
function checkElementTypeOfArrayOrString(arrayOrStringType, expressionForError) {
ts.Debug.assert(languageVersion < 2);
var arrayType = removeTypesFromUnionType(arrayOrStringType, 258, true, true);
var hasStringConstituent = arrayOrStringType !== arrayType;
var reportedError = false;
if (hasStringConstituent) {
if (languageVersion < 1) {
error(expressionForError, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher);
reportedError = true;
}
if (arrayType === emptyObjectType) {
return stringType;
}
}
if (!isArrayLikeType(arrayType)) {
if (!reportedError) {
var diagnostic = hasStringConstituent ? ts.Diagnostics.Type_0_is_not_an_array_type : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type;
error(expressionForError, diagnostic, typeToString(arrayType));
}
return hasStringConstituent ? stringType : unknownType;
}
var arrayElementType = getIndexTypeOfType(arrayType, 1) || unknownType;
if (hasStringConstituent) {
if (arrayElementType.flags & 258) {
return stringType;
}
return getUnionType([
arrayElementType,
stringType
]);
}
return arrayElementType;
}
function checkBreakOrContinueStatement(node) {
checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node);
}
function isGetAccessorWithAnnotatatedSetAccessor(node) {
return !!(node.kind === 136 && getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 137)));
}
function checkReturnStatement(node) {
if (!checkGrammarStatementInAmbientContext(node)) {
var functionBlock = ts.getContainingFunction(node);
if (!functionBlock) {
grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body);
}
}
if (node.expression) {
var func = ts.getContainingFunction(node);
if (func) {
var returnType = getReturnTypeOfSignature(getSignatureFromDeclaration(func));
var exprType = checkExpressionCached(node.expression);
if (func.kind === 137) {
error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value);
}
else {
if (func.kind === 135) {
if (!isTypeAssignableTo(exprType, returnType)) {
error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class);
}
}
else if (func.type || isGetAccessorWithAnnotatatedSetAccessor(func)) {
checkTypeAssignableTo(exprType, returnType, node.expression, undefined);
}
}
}
}
}
function checkWithStatement(node) {
if (!checkGrammarStatementInAmbientContext(node)) {
if (node.parserContextFlags & 1) {
grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode);
}
}
checkExpression(node.expression);
error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any);
}
function checkSwitchStatement(node) {
checkGrammarStatementInAmbientContext(node);
var firstDefaultClause;
var hasDuplicateDefaultClause = false;
var expressionType = checkExpression(node.expression);
ts.forEach(node.caseBlock.clauses, function (clause) {
if (clause.kind === 221 && !hasDuplicateDefaultClause) {
if (firstDefaultClause === undefined) {
firstDefaultClause = clause;
}
else {
var sourceFile = ts.getSourceFileOfNode(node);
var start = ts.skipTrivia(sourceFile.text, clause.pos);
var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end;
grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement);
hasDuplicateDefaultClause = true;
}
}
if (produceDiagnostics && clause.kind === 220) {
var caseClause = clause;
var caseType = checkExpression(caseClause.expression);
if (!isTypeAssignableTo(expressionType, caseType)) {
checkTypeAssignableTo(caseType, expressionType, caseClause.expression, undefined);
}
}
ts.forEach(clause.statements, checkSourceElement);
});
}
function checkLabeledStatement(node) {
if (!checkGrammarStatementInAmbientContext(node)) {
var current = node.parent;
while (current) {
if (ts.isFunctionLike(current)) {
break;
}
if (current.kind === 194 && current.label.text === node.label.text) {
var sourceFile = ts.getSourceFileOfNode(node);
grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label));
break;
}
current = current.parent;
}
}
checkSourceElement(node.statement);
}
function checkThrowStatement(node) {
if (!checkGrammarStatementInAmbientContext(node)) {
if (node.expression === undefined) {
grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here);
}
}
if (node.expression) {
checkExpression(node.expression);
}
}
function checkTryStatement(node) {
checkGrammarStatementInAmbientContext(node);
checkBlock(node.tryBlock);
var catchClause = node.catchClause;
if (catchClause) {
if (catchClause.variableDeclaration) {
if (catchClause.variableDeclaration.name.kind !== 65) {
grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier);
}
else if (catchClause.variableDeclaration.type) {
grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation);
}
else if (catchClause.variableDeclaration.initializer) {
grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer);
}
else {
var identifierName = catchClause.variableDeclaration.name.text;
var locals = catchClause.block.locals;
if (locals && ts.hasProperty(locals, identifierName)) {
var localSymbol = locals[identifierName];
if (localSymbol && (localSymbol.flags & 2) !== 0) {
grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName);
}
}
checkGrammarEvalOrArgumentsInStrictMode(node, catchClause.variableDeclaration.name);
}
}
checkBlock(catchClause.block);
}
if (node.finallyBlock) {
checkBlock(node.finallyBlock);
}
}
function checkIndexConstraints(type) {
var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1);
var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0);
var stringIndexType = getIndexTypeOfType(type, 0);
var numberIndexType = getIndexTypeOfType(type, 1);
if (stringIndexType || numberIndexType) {
ts.forEach(getPropertiesOfObjectType(type), function (prop) {
var propType = getTypeOfSymbol(prop);
checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0);
checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1);
});
if (type.flags & 1024 && type.symbol.valueDeclaration.kind === 201) {
var classDeclaration = type.symbol.valueDeclaration;
for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) {
var member = _a[_i];
if (!(member.flags & 128) && ts.hasDynamicName(member)) {
var propType = getTypeOfSymbol(member.symbol);
checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0);
checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1);
}
}
}
}
var errorNode;
if (stringIndexType && numberIndexType) {
errorNode = declaredNumberIndexer || declaredStringIndexer;
if (!errorNode && (type.flags & 2048)) {
var someBaseTypeHasBothIndexers = ts.forEach(type.baseTypes, function (base) {
return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1);
});
errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0];
}
}
if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) {
error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType));
}
function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) {
if (!indexType) {
return;
}
if (indexKind === 1 && !isNumericName(prop.valueDeclaration.name)) {
return;
}
var errorNode;
if (prop.valueDeclaration.name.kind === 127 || prop.parent === containingType.symbol) {
errorNode = prop.valueDeclaration;
}
else if (indexDeclaration) {
errorNode = indexDeclaration;
}
else if (containingType.flags & 2048) {
var someBaseClassHasBothPropertyAndIndexer = ts.forEach(containingType.baseTypes, function (base) {
return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind);
});
errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0];
}
if (errorNode && !isTypeAssignableTo(propertyType, indexType)) {
var errorMessage = indexKind === 0 ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2;
error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType));
}
}
}
function checkTypeNameIsReserved(name, message) {
switch (name.text) {
case "any":
case "number":
case "boolean":
case "string":
case "symbol":
case "void":
error(name, message, name.text);
}
}
function checkTypeParameters(typeParameterDeclarations) {
if (typeParameterDeclarations) {
for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) {
var node = typeParameterDeclarations[i];
checkTypeParameter(node);
if (produceDiagnostics) {
for (var j = 0; j < i; j++) {
if (typeParameterDeclarations[j].symbol === node.symbol) {
error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name));
}
}
}
}
}
}
function checkClassExpression(node) {
grammarErrorOnNode(node, ts.Diagnostics.class_expressions_are_not_currently_supported);
ts.forEach(node.members, checkSourceElement);
return unknownType;
}
function checkClassDeclaration(node) {
if (node.parent.kind !== 206 && node.parent.kind !== 227) {
grammarErrorOnNode(node, ts.Diagnostics.class_declarations_are_only_supported_directly_inside_a_module_or_as_a_top_level_declaration);
}
checkGrammarClassDeclarationHeritageClauses(node);
checkDecorators(node);
if (node.name) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
}
checkTypeParameters(node.typeParameters);
checkExportsOnMergedDeclarations(node);
var symbol = getSymbolOfNode(node);
var type = getDeclaredTypeOfSymbol(symbol);
var staticType = getTypeOfSymbol(symbol);
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node);
if (baseTypeNode) {
if (!ts.isSupportedHeritageClauseElement(baseTypeNode)) {
error(baseTypeNode.expression, ts.Diagnostics.Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses);
}
emitExtends = emitExtends || !ts.isInAmbientContext(node);
checkHeritageClauseElement(baseTypeNode);
}
if (type.baseTypes.length) {
if (produceDiagnostics) {
var baseType = type.baseTypes[0];
checkTypeAssignableTo(type, baseType, node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1);
var staticBaseType = getTypeOfSymbol(baseType.symbol);
checkTypeAssignableTo(staticType, getTypeWithoutConstructors(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1);
if (baseType.symbol !== resolveEntityName(baseTypeNode.expression, 107455)) {
error(baseTypeNode, ts.Diagnostics.Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0, typeToString(baseType));
}
checkKindsOfPropertyMemberOverrides(type, baseType);
}
}
if (type.baseTypes.length || (baseTypeNode && compilerOptions.separateCompilation)) {
checkExpressionOrQualifiedName(baseTypeNode.expression);
}
var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node);
if (implementedTypeNodes) {
ts.forEach(implementedTypeNodes, function (typeRefNode) {
if (!ts.isSupportedHeritageClauseElement(typeRefNode)) {
error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments);
}
checkHeritageClauseElement(typeRefNode);
if (produceDiagnostics) {
var t = getTypeFromHeritageClauseElement(typeRefNode);
if (t !== unknownType) {
var declaredType = (t.flags & 4096) ? t.target : t;
if (declaredType.flags & (1024 | 2048)) {
checkTypeAssignableTo(type, t, node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1);
}
else {
error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface);
}
}
}
});
}
ts.forEach(node.members, checkSourceElement);
if (produceDiagnostics) {
checkIndexConstraints(type);
checkTypeForDuplicateIndexSignatures(node);
}
}
function getTargetSymbol(s) {
return s.flags & 16777216 ? getSymbolLinks(s).target : s;
}
function checkKindsOfPropertyMemberOverrides(type, baseType) {
// TypeScript 1.0 spec (April 2014): 8.2.3
// A derived class inherits all members from its base class it doesn't override.
// Inheritance means that a derived class implicitly contains all non - overridden members of the base class.
// Both public and private property members are inherited, but only public property members can be overridden.
// A property member in a derived class is said to override a property member in a base class
// when the derived class property member has the same name and kind(instance or static)
// as the base class property member.
// The type of an overriding property member must be assignable(section 3.8.4)
// to the type of the overridden property member, or otherwise a compile - time error occurs.
// Base class instance member functions can be overridden by derived class instance member functions,
// but not by other kinds of members.
// Base class instance member variables and accessors can be overridden by
// derived class instance member variables and accessors, but not by other kinds of members.
var baseProperties = getPropertiesOfObjectType(baseType);
for (var _i = 0; _i < baseProperties.length; _i++) {
var baseProperty = baseProperties[_i];
var base = getTargetSymbol(baseProperty);
if (base.flags & 134217728) {
continue;
}
var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name));
if (derived) {
var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base);
var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived);
if ((baseDeclarationFlags & 32) || (derivedDeclarationFlags & 32)) {
continue;
}
if ((baseDeclarationFlags & 128) !== (derivedDeclarationFlags & 128)) {
continue;
}
if ((base.flags & derived.flags & 8192) || ((base.flags & 98308) && (derived.flags & 98308))) {
continue;
}
var errorMessage = void 0;
if (base.flags & 8192) {
if (derived.flags & 98304) {
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor;
}
else {
ts.Debug.assert((derived.flags & 4) !== 0);
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property;
}
}
else if (base.flags & 4) {
ts.Debug.assert((derived.flags & 8192) !== 0);
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function;
}
else {
ts.Debug.assert((base.flags & 98304) !== 0);
ts.Debug.assert((derived.flags & 8192) !== 0);
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function;
}
error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type));
}
}
}
function isAccessor(kind) {
return kind === 136 || kind === 137;
}
function areTypeParametersIdentical(list1, list2) {
if (!list1 && !list2) {
return true;
}
if (!list1 || !list2 || list1.length !== list2.length) {
return false;
}
for (var i = 0, len = list1.length; i < len; i++) {
var tp1 = list1[i];
var tp2 = list2[i];
if (tp1.name.text !== tp2.name.text) {
return false;
}
if (!tp1.constraint && !tp2.constraint) {
continue;
}
if (!tp1.constraint || !tp2.constraint) {
return false;
}
if (!isTypeIdenticalTo(getTypeFromTypeNodeOrHeritageClauseElement(tp1.constraint), getTypeFromTypeNodeOrHeritageClauseElement(tp2.constraint))) {
return false;
}
}
return true;
}
function checkInheritedPropertiesAreIdentical(type, typeNode) {
if (!type.baseTypes.length || type.baseTypes.length === 1) {
return true;
}
var seen = {};
ts.forEach(type.declaredProperties, function (p) {
seen[p.name] = {
prop: p,
containingType: type
};
});
var ok = true;
for (var _i = 0, _a = type.baseTypes; _i < _a.length; _i++) {
var base = _a[_i];
var properties = getPropertiesOfObjectType(base);
for (var _b = 0; _b < properties.length; _b++) {
var prop = properties[_b];
if (!ts.hasProperty(seen, prop.name)) {
seen[prop.name] = {
prop: prop,
containingType: base
};
}
else {
var existing = seen[prop.name];
var isInheritedProperty = existing.containingType !== type;
if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) {
ok = false;
var typeName1 = typeToString(existing.containingType);
var typeName2 = typeToString(base);
var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2);
errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2);
diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo));
}
}
}
}
return ok;
}
function checkInterfaceDeclaration(node) {
checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node);
checkTypeParameters(node.typeParameters);
if (produceDiagnostics) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0);
checkExportsOnMergedDeclarations(node);
var symbol = getSymbolOfNode(node);
var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 202);
if (symbol.declarations.length > 1) {
if (node !== firstInterfaceDecl && !areTypeParametersIdentical(firstInterfaceDecl.typeParameters, node.typeParameters)) {
error(node.name, ts.Diagnostics.All_declarations_of_an_interface_must_have_identical_type_parameters);
}
}
if (node === firstInterfaceDecl) {
var type = getDeclaredTypeOfSymbol(symbol);
if (checkInheritedPropertiesAreIdentical(type, node.name)) {
ts.forEach(type.baseTypes, function (baseType) {
checkTypeAssignableTo(type, baseType, node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1);
});
checkIndexConstraints(type);
}
}
}
ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) {
if (!ts.isSupportedHeritageClauseElement(heritageElement)) {
error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments);
}
checkHeritageClauseElement(heritageElement);
});
ts.forEach(node.members, checkSourceElement);
if (produceDiagnostics) {
checkTypeForDuplicateIndexSignatures(node);
}
}
function checkTypeAliasDeclaration(node) {
checkGrammarDecorators(node) || checkGrammarModifiers(node);
checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0);
checkSourceElement(node.type);
}
function computeEnumMemberValues(node) {
var nodeLinks = getNodeLinks(node);
if (!(nodeLinks.flags & 128)) {
var enumSymbol = getSymbolOfNode(node);
var enumType = getDeclaredTypeOfSymbol(enumSymbol);
var autoValue = 0;
var ambient = ts.isInAmbientContext(node);
var enumIsConst = ts.isConst(node);
ts.forEach(node.members, function (member) {
if (member.name.kind !== 127 && isNumericLiteralName(member.name.text)) {
error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name);
}
var initializer = member.initializer;
if (initializer) {
autoValue = getConstantValueForEnumMemberInitializer(initializer);
if (autoValue === undefined) {
if (enumIsConst) {
error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression);
}
else if (!ambient) {
checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined);
}
}
else if (enumIsConst) {
if (isNaN(autoValue)) {
error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN);
}
else if (!isFinite(autoValue)) {
error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value);
}
}
}
else if (ambient && !enumIsConst) {
autoValue = undefined;
}
if (autoValue !== undefined) {
getNodeLinks(member).enumMemberValue = autoValue++;
}
});
nodeLinks.flags |= 128;
}
function getConstantValueForEnumMemberInitializer(initializer) {
return evalConstant(initializer);
function evalConstant(e) {
switch (e.kind) {
case 167:
var value = evalConstant(e.operand);
if (value === undefined) {
return undefined;
}
switch (e.operator) {
case 33:
return value;
case 34:
return -value;
case 47:
return ~value;
}
return undefined;
case 169:
var left = evalConstant(e.left);
if (left === undefined) {
return undefined;
}
var right = evalConstant(e.right);
if (right === undefined) {
return undefined;
}
switch (e.operatorToken.kind) {
case 44:
return left | right;
case 43:
return left & right;
case 41:
return left >> right;
case 42:
return left >>> right;
case 40:
return left << right;
case 45:
return left ^ right;
case 35:
return left * right;
case 36:
return left / right;
case 33:
return left + right;
case 34:
return left - right;
case 37:
return left % right;
}
return undefined;
case 7:
return +e.text;
case 161:
return evalConstant(e.expression);
case 65:
case 156:
case 155:
var member = initializer.parent;
var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent));
var enumType;
var propertyName;
if (e.kind === 65) {
enumType = currentType;
propertyName = e.text;
}
else {
var expression;
if (e.kind === 156) {
if (e.argumentExpression === undefined || e.argumentExpression.kind !== 8) {
return undefined;
}
expression = e.expression;
propertyName = e.argumentExpression.text;
}
else {
expression = e.expression;
propertyName = e.name.text;
}
var current = expression;
while (current) {
if (current.kind === 65) {
break;
}
else if (current.kind === 155) {
current = current.expression;
}
else {
return undefined;
}
}
enumType = checkExpression(expression);
if (!(enumType.symbol && (enumType.symbol.flags & 384))) {
return undefined;
}
}
if (propertyName === undefined) {
return undefined;
}
var property = getPropertyOfObjectType(enumType, propertyName);
if (!property || !(property.flags & 8)) {
return undefined;
}
var propertyDecl = property.valueDeclaration;
if (member === propertyDecl) {
return undefined;
}
if (!isDefinedBefore(propertyDecl, member)) {
return undefined;
}
return getNodeLinks(propertyDecl).enumMemberValue;
}
}
}
}
function checkEnumDeclaration(node) {
if (!produceDiagnostics) {
return;
}
checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarEnumDeclaration(node);
checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkExportsOnMergedDeclarations(node);
computeEnumMemberValues(node);
var enumIsConst = ts.isConst(node);
if (compilerOptions.separateCompilation && enumIsConst && ts.isInAmbientContext(node)) {
error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_separateCompilation_flag_is_provided);
}
var enumSymbol = getSymbolOfNode(node);
var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind);
if (node === firstDeclaration) {
if (enumSymbol.declarations.length > 1) {
ts.forEach(enumSymbol.declarations, function (decl) {
if (ts.isConstEnumDeclaration(decl) !== enumIsConst) {
error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const);
}
});
}
var seenEnumMissingInitialInitializer = false;
ts.forEach(enumSymbol.declarations, function (declaration) {
if (declaration.kind !== 204) {
return false;
}
var enumDeclaration = declaration;
if (!enumDeclaration.members.length) {
return false;
}
var firstEnumMember = enumDeclaration.members[0];
if (!firstEnumMember.initializer) {
if (seenEnumMissingInitialInitializer) {
error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element);
}
else {
seenEnumMissingInitialInitializer = true;
}
}
});
}
}
function getFirstNonAmbientClassOrFunctionDeclaration(symbol) {
var declarations = symbol.declarations;
for (var _i = 0; _i < declarations.length; _i++) {
var declaration = declarations[_i];
if ((declaration.kind === 201 || (declaration.kind === 200 && ts.nodeIsPresent(declaration.body))) && !ts.isInAmbientContext(declaration)) {
return declaration;
}
}
return undefined;
}
function checkModuleDeclaration(node) {
if (produceDiagnostics) {
if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) {
if (!ts.isInAmbientContext(node) && node.name.kind === 8) {
grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names);
}
}
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkExportsOnMergedDeclarations(node);
var symbol = getSymbolOfNode(node);
if (symbol.flags & 512 && symbol.declarations.length > 1 && !ts.isInAmbientContext(node) && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.separateCompilation)) {
var classOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol);
if (classOrFunc) {
if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(classOrFunc)) {
error(node.name, ts.Diagnostics.A_module_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged);
}
else if (node.pos < classOrFunc.pos) {
error(node.name, ts.Diagnostics.A_module_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged);
}
}
}
if (node.name.kind === 8) {
if (!isGlobalSourceFile(node.parent)) {
error(node.name, ts.Diagnostics.Ambient_external_modules_cannot_be_nested_in_other_modules);
}
if (isExternalModuleNameRelative(node.name.text)) {
error(node.name, ts.Diagnostics.Ambient_external_module_declaration_cannot_specify_relative_module_name);
}
}
}
checkSourceElement(node.body);
}
function getFirstIdentifier(node) {
while (true) {
if (node.kind === 126) {
node = node.left;
}
else if (node.kind === 155) {
node = node.expression;
}
else {
break;
}
}
ts.Debug.assert(node.kind === 65);
return node;
}
function checkExternalImportOrExportDeclaration(node) {
var moduleName = ts.getExternalModuleName(node);
if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 8) {
error(moduleName, ts.Diagnostics.String_literal_expected);
return false;
}
var inAmbientExternalModule = node.parent.kind === 206 && node.parent.parent.name.kind === 8;
if (node.parent.kind !== 227 && !inAmbientExternalModule) {
error(moduleName, node.kind === 215 ? ts.Diagnostics.Export_declarations_are_not_permitted_in_an_internal_module : ts.Diagnostics.Import_declarations_in_an_internal_module_cannot_reference_an_external_module);
return false;
}
if (inAmbientExternalModule && isExternalModuleNameRelative(moduleName.text)) {
error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_external_module_declaration_cannot_reference_external_module_through_relative_external_module_name);
return false;
}
return true;
}
function checkAliasSymbol(node) {
var symbol = getSymbolOfNode(node);
var target = resolveAlias(symbol);
if (target !== unknownSymbol) {
var excludedMeanings = (symbol.flags & 107455 ? 107455 : 0) | (symbol.flags & 793056 ? 793056 : 0) | (symbol.flags & 1536 ? 1536 : 0);
if (target.flags & excludedMeanings) {
var message = node.kind === 217 ? ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0;
error(node, message, symbolToString(symbol));
}
}
}
function checkImportBinding(node) {
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkAliasSymbol(node);
}
function checkImportDeclaration(node) {
if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 499)) {
grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers);
}
if (checkExternalImportOrExportDeclaration(node)) {
var importClause = node.importClause;
if (importClause) {
if (importClause.name) {
checkImportBinding(importClause);
}
if (importClause.namedBindings) {
if (importClause.namedBindings.kind === 211) {
checkImportBinding(importClause.namedBindings);
}
else {
ts.forEach(importClause.namedBindings.elements, checkImportBinding);
}
}
}
}
}
function checkImportEqualsDeclaration(node) {
checkGrammarDecorators(node) || checkGrammarModifiers(node);
if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) {
checkImportBinding(node);
if (node.flags & 1) {
markExportAsReferenced(node);
}
if (ts.isInternalModuleImportEqualsDeclaration(node)) {
var target = resolveAlias(getSymbolOfNode(node));
if (target !== unknownSymbol) {
if (target.flags & 107455) {
var moduleName = getFirstIdentifier(node.moduleReference);
if (!(resolveEntityName(moduleName, 107455 | 1536).flags & 1536)) {
error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName));
}
}
if (target.flags & 793056) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0);
}
}
}
else {
if (languageVersion >= 2) {
grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_or_higher_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_or_import_d_from_mod_instead);
}
}
}
}
function checkExportDeclaration(node) {
if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 499)) {
grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers);
}
if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) {
if (node.exportClause) {
ts.forEach(node.exportClause.elements, checkExportSpecifier);
var inAmbientExternalModule = node.parent.kind === 206 && node.parent.parent.name.kind === 8;
if (node.parent.kind !== 227 && !inAmbientExternalModule) {
error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_an_internal_module);
}
}
else {
var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier);
if (moduleSymbol && moduleSymbol.exports["export="]) {
error(node.moduleSpecifier, ts.Diagnostics.External_module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol));
}
}
}
}
function checkExportSpecifier(node) {
checkAliasSymbol(node);
if (!node.parent.parent.moduleSpecifier) {
markExportAsReferenced(node);
}
}
function checkExportAssignment(node) {
var container = node.parent.kind === 227 ? node.parent : node.parent.parent;
if (container.kind === 205 && container.name.kind === 65) {
error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_an_internal_module);
return;
}
if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 499)) {
grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers);
}
if (node.expression) {
if (node.expression.kind === 65) {
markExportAsReferenced(node);
}
else {
checkExpressionCached(node.expression);
}
}
if (node.type) {
checkSourceElement(node.type);
if (!ts.isInAmbientContext(node)) {
grammarErrorOnFirstToken(node.type, ts.Diagnostics.A_type_annotation_on_an_export_statement_is_only_allowed_in_an_ambient_external_module_declaration);
}
}
checkExternalModuleExports(container);
if (node.isExportEquals && languageVersion >= 2) {
grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_or_higher_Consider_using_export_default_instead);
}
}
function getModuleStatements(node) {
if (node.kind === 227) {
return node.statements;
}
if (node.kind === 205 && node.body.kind === 206) {
return node.body.statements;
}
return emptyArray;
}
function hasExportedMembers(moduleSymbol) {
for (var id in moduleSymbol.exports) {
if (id !== "export=") {
return true;
}
}
return false;
}
function checkExternalModuleExports(node) {
var moduleSymbol = getSymbolOfNode(node);
var links = getSymbolLinks(moduleSymbol);
if (!links.exportsChecked) {
var exportEqualsSymbol = moduleSymbol.exports["export="];
if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) {
var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration;
error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements);
}
links.exportsChecked = true;
}
}
function checkSourceElement(node) {
if (!node)
return;
switch (node.kind) {
case 128:
return checkTypeParameter(node);
case 129:
return checkParameter(node);
case 132:
case 131:
return checkPropertyDeclaration(node);
case 142:
case 143:
case 138:
case 139:
return checkSignatureDeclaration(node);
case 140:
return checkSignatureDeclaration(node);
case 134:
case 133:
return checkMethodDeclaration(node);
case 135:
return checkConstructorDeclaration(node);
case 136:
case 137:
return checkAccessorDeclaration(node);
case 141:
return checkTypeReferenceNode(node);
case 144:
return checkTypeQuery(node);
case 145:
return checkTypeLiteral(node);
case 146:
return checkArrayType(node);
case 147:
return checkTupleType(node);
case 148:
return checkUnionType(node);
case 149:
return checkSourceElement(node.type);
case 200:
return checkFunctionDeclaration(node);
case 179:
case 206:
return checkBlock(node);
case 180:
return checkVariableStatement(node);
case 182:
return checkExpressionStatement(node);
case 183:
return checkIfStatement(node);
case 184:
return checkDoStatement(node);
case 185:
return checkWhileStatement(node);
case 186:
return checkForStatement(node);
case 187:
return checkForInStatement(node);
case 188:
return checkForOfStatement(node);
case 189:
case 190:
return checkBreakOrContinueStatement(node);
case 191:
return checkReturnStatement(node);
case 192:
return checkWithStatement(node);
case 193:
return checkSwitchStatement(node);
case 194:
return checkLabeledStatement(node);
case 195:
return checkThrowStatement(node);
case 196:
return checkTryStatement(node);
case 198:
return checkVariableDeclaration(node);
case 152:
return checkBindingElement(node);
case 201:
return checkClassDeclaration(node);
case 202:
return checkInterfaceDeclaration(node);
case 203:
return checkTypeAliasDeclaration(node);
case 204:
return checkEnumDeclaration(node);
case 205:
return checkModuleDeclaration(node);
case 209:
return checkImportDeclaration(node);
case 208:
return checkImportEqualsDeclaration(node);
case 215:
return checkExportDeclaration(node);
case 214:
return checkExportAssignment(node);
case 181:
checkGrammarStatementInAmbientContext(node);
return;
case 197:
checkGrammarStatementInAmbientContext(node);
return;
case 218:
return checkMissingDeclaration(node);
}
}
function checkFunctionExpressionBodies(node) {
switch (node.kind) {
case 162:
case 163:
ts.forEach(node.parameters, checkFunctionExpressionBodies);
checkFunctionExpressionOrObjectLiteralMethodBody(node);
break;
case 134:
case 133:
ts.forEach(node.parameters, checkFunctionExpressionBodies);
if (ts.isObjectLiteralMethod(node)) {
checkFunctionExpressionOrObjectLiteralMethodBody(node);
}
break;
case 135:
case 136:
case 137:
case 200:
ts.forEach(node.parameters, checkFunctionExpressionBodies);
break;
case 192:
checkFunctionExpressionBodies(node.expression);
break;
case 129:
case 132:
case 131:
case 150:
case 151:
case 152:
case 153:
case 154:
case 224:
case 155:
case 156:
case 157:
case 158:
case 159:
case 171:
case 176:
case 160:
case 161:
case 165:
case 166:
case 164:
case 167:
case 168:
case 169:
case 170:
case 173:
case 179:
case 206:
case 180:
case 182:
case 183:
case 184:
case 185:
case 186:
case 187:
case 188:
case 189:
case 190:
case 191:
case 193:
case 207:
case 220:
case 221:
case 194:
case 195:
case 196:
case 223:
case 198:
case 199:
case 201:
case 204:
case 226:
case 214:
case 227:
ts.forEachChild(node, checkFunctionExpressionBodies);
break;
}
}
function checkSourceFile(node) {
var start = new Date().getTime();
checkSourceFileWorker(node);
ts.checkTime += new Date().getTime() - start;
}
function checkSourceFileWorker(node) {
var links = getNodeLinks(node);
if (!(links.flags & 1)) {
checkGrammarSourceFile(node);
emitExtends = false;
potentialThisCollisions.length = 0;
ts.forEach(node.statements, checkSourceElement);
checkFunctionExpressionBodies(node);
if (ts.isExternalModule(node)) {
checkExternalModuleExports(node);
}
if (potentialThisCollisions.length) {
ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope);
potentialThisCollisions.length = 0;
}
if (emitExtends) {
links.flags |= 8;
}
if (emitDecorate) {
links.flags |= 512;
}
links.flags |= 1;
}
}
function getDiagnostics(sourceFile) {
throwIfNonDiagnosticsProducing();
if (sourceFile) {
checkSourceFile(sourceFile);
return diagnostics.getDiagnostics(sourceFile.fileName);
}
ts.forEach(host.getSourceFiles(), checkSourceFile);
return diagnostics.getDiagnostics();
}
function getGlobalDiagnostics() {
throwIfNonDiagnosticsProducing();
return diagnostics.getGlobalDiagnostics();
}
function throwIfNonDiagnosticsProducing() {
if (!produceDiagnostics) {
throw new Error("Trying to get diagnostics from a type checker that does not produce them.");
}
}
function isInsideWithStatementBody(node) {
if (node) {
while (node.parent) {
if (node.parent.kind === 192 && node.parent.statement === node) {
return true;
}
node = node.parent;
}
}
return false;
}
function getSymbolsInScope(location, meaning) {
var symbols = {};
var memberFlags = 0;
if (isInsideWithStatementBody(location)) {
return [];
}
populateSymbols();
return symbolsToArray(symbols);
function populateSymbols() {
while (location) {
if (location.locals && !isGlobalSourceFile(location)) {
copySymbols(location.locals, meaning);
}
switch (location.kind) {
case 227:
if (!ts.isExternalModule(location)) {
break;
}
case 205:
copySymbols(getSymbolOfNode(location).exports, meaning & 8914931);
break;
case 204:
copySymbols(getSymbolOfNode(location).exports, meaning & 8);
break;
case 201:
case 202:
if (!(memberFlags & 128)) {
copySymbols(getSymbolOfNode(location).members, meaning & 793056);
}
break;
case 162:
if (location.name) {
copySymbol(location.symbol, meaning);
}
break;
}
memberFlags = location.flags;
location = location.parent;
}
copySymbols(globals, meaning);
}
function copySymbol(symbol, meaning) {
if (symbol.flags & meaning) {
var id = symbol.name;
if (!isReservedMemberName(id) && !ts.hasProperty(symbols, id)) {
symbols[id] = symbol;
}
}
}
function copySymbols(source, meaning) {
if (meaning) {
for (var id in source) {
if (ts.hasProperty(source, id)) {
copySymbol(source[id], meaning);
}
}
}
}
if (isInsideWithStatementBody(location)) {
return [];
}
while (location) {
if (location.locals && !isGlobalSourceFile(location)) {
copySymbols(location.locals, meaning);
}
switch (location.kind) {
case 227:
if (!ts.isExternalModule(location))
break;
case 205:
copySymbols(getSymbolOfNode(location).exports, meaning & 8914931);
break;
case 204:
copySymbols(getSymbolOfNode(location).exports, meaning & 8);
break;
case 201:
case 202:
if (!(memberFlags & 128)) {
copySymbols(getSymbolOfNode(location).members, meaning & 793056);
}
break;
case 162:
if (location.name) {
copySymbol(location.symbol, meaning);
}
break;
}
memberFlags = location.flags;
location = location.parent;
}
copySymbols(globals, meaning);
return symbolsToArray(symbols);
}
function isTypeDeclarationName(name) {
return name.kind == 65 && isTypeDeclaration(name.parent) && name.parent.name === name;
}
function isTypeDeclaration(node) {
switch (node.kind) {
case 128:
case 201:
case 202:
case 203:
case 204:
return true;
}
}
function isTypeReferenceIdentifier(entityName) {
var node = entityName;
while (node.parent && node.parent.kind === 126) {
node = node.parent;
}
return node.parent && node.parent.kind === 141;
}
function isHeritageClauseElementIdentifier(entityName) {
var node = entityName;
while (node.parent && node.parent.kind === 155) {
node = node.parent;
}
return node.parent && node.parent.kind === 177;
}
function isTypeNodeOrHeritageClauseElement(node) {
if (141 <= node.kind && node.kind <= 149) {
return true;
}
switch (node.kind) {
case 112:
case 119:
case 121:
case 113:
case 122:
return true;
case 99:
return node.parent.kind !== 166;
case 8:
return node.parent.kind === 129;
case 177:
return true;
case 65:
if (node.parent.kind === 126 && node.parent.right === node) {
node = node.parent;
}
else if (node.parent.kind === 155 && node.parent.name === node) {
node = node.parent;
}
case 126:
case 155:
ts.Debug.assert(node.kind === 65 || node.kind === 126 || node.kind === 155, "'node' was expected to be a qualified name, identifier or property access in 'isTypeNode'.");
var parent_5 = node.parent;
if (parent_5.kind === 144) {
return false;
}
if (141 <= parent_5.kind && parent_5.kind <= 149) {
return true;
}
switch (parent_5.kind) {
case 177:
return true;
case 128:
return node === parent_5.constraint;
case 132:
case 131:
case 129:
case 198:
return node === parent_5.type;
case 200:
case 162:
case 163:
case 135:
case 134:
case 133:
case 136:
case 137:
return node === parent_5.type;
case 138:
case 139:
case 140:
return node === parent_5.type;
case 160:
return node === parent_5.type;
case 157:
case 158:
return parent_5.typeArguments && ts.indexOf(parent_5.typeArguments, node) >= 0;
case 159:
return false;
}
}
return false;
}
function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) {
while (nodeOnRightSide.parent.kind === 126) {
nodeOnRightSide = nodeOnRightSide.parent;
}
if (nodeOnRightSide.parent.kind === 208) {
return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent;
}
if (nodeOnRightSide.parent.kind === 214) {
return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent;
}
return undefined;
}
function isInRightSideOfImportOrExportAssignment(node) {
return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined;
}
function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) {
if (ts.isDeclarationName(entityName)) {
return getSymbolOfNode(entityName.parent);
}
if (entityName.parent.kind === 214) {
return resolveEntityName(entityName, 107455 | 793056 | 1536 | 8388608);
}
if (entityName.kind !== 155) {
if (isInRightSideOfImportOrExportAssignment(entityName)) {
return getSymbolOfPartOfRightHandSideOfImportEquals(entityName);
}
}
if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) {
entityName = entityName.parent;
}
if (isHeritageClauseElementIdentifier(entityName)) {
var meaning = entityName.parent.kind === 177 ? 793056 : 1536;
meaning |= 8388608;
return resolveEntityName(entityName, meaning);
}
else if (ts.isExpression(entityName)) {
if (ts.nodeIsMissing(entityName)) {
return undefined;
}
if (entityName.kind === 65) {
var meaning = 107455 | 8388608;
return resolveEntityName(entityName, meaning);
}
else if (entityName.kind === 155) {
var symbol = getNodeLinks(entityName).resolvedSymbol;
if (!symbol) {
checkPropertyAccessExpression(entityName);
}
return getNodeLinks(entityName).resolvedSymbol;
}
else if (entityName.kind === 126) {
var symbol = getNodeLinks(entityName).resolvedSymbol;
if (!symbol) {
checkQualifiedName(entityName);
}
return getNodeLinks(entityName).resolvedSymbol;
}
}
else if (isTypeReferenceIdentifier(entityName)) {
var meaning = entityName.parent.kind === 141 ? 793056 : 1536;
meaning |= 8388608;
return resolveEntityName(entityName, meaning);
}
return undefined;
}
function getSymbolInfo(node) {
if (isInsideWithStatementBody(node)) {
return undefined;
}
if (ts.isDeclarationName(node)) {
return getSymbolOfNode(node.parent);
}
if (node.kind === 65 && isInRightSideOfImportOrExportAssignment(node)) {
return node.parent.kind === 214 ? getSymbolOfEntityNameOrPropertyAccessExpression(node) : getSymbolOfPartOfRightHandSideOfImportEquals(node);
}
switch (node.kind) {
case 65:
case 155:
case 126:
return getSymbolOfEntityNameOrPropertyAccessExpression(node);
case 93:
case 91:
var type = checkExpression(node);
return type.symbol;
case 114:
var constructorDeclaration = node.parent;
if (constructorDeclaration && constructorDeclaration.kind === 135) {
return constructorDeclaration.parent.symbol;
}
return undefined;
case 8:
var moduleName;
if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || ((node.parent.kind === 209 || node.parent.kind === 215) && node.parent.moduleSpecifier === node)) {
return resolveExternalModuleName(node, node);
}
case 7:
if (node.parent.kind == 156 && node.parent.argumentExpression === node) {
var objectType = checkExpression(node.parent.expression);
if (objectType === unknownType)
return undefined;
var apparentType = getApparentType(objectType);
if (apparentType === unknownType)
return undefined;
return getPropertyOfType(apparentType, node.text);
}
break;
}
return undefined;
}
function getShorthandAssignmentValueSymbol(location) {
if (location && location.kind === 225) {
return resolveEntityName(location.name, 107455);
}
return undefined;
}
function getTypeOfNode(node) {
if (isInsideWithStatementBody(node)) {
return unknownType;
}
if (isTypeNodeOrHeritageClauseElement(node)) {
return getTypeFromTypeNodeOrHeritageClauseElement(node);
}
if (ts.isExpression(node)) {
return getTypeOfExpression(node);
}
if (isTypeDeclaration(node)) {
var symbol = getSymbolOfNode(node);
return getDeclaredTypeOfSymbol(symbol);
}
if (isTypeDeclarationName(node)) {
var symbol = getSymbolInfo(node);
return symbol && getDeclaredTypeOfSymbol(symbol);
}
if (ts.isDeclaration(node)) {
var symbol = getSymbolOfNode(node);
return getTypeOfSymbol(symbol);
}
if (ts.isDeclarationName(node)) {
var symbol = getSymbolInfo(node);
return symbol && getTypeOfSymbol(symbol);
}
if (isInRightSideOfImportOrExportAssignment(node)) {
var symbol = getSymbolInfo(node);
var declaredType = symbol && getDeclaredTypeOfSymbol(symbol);
return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol);
}
return unknownType;
}
function getTypeOfExpression(expr) {
if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) {
expr = expr.parent;
}
return checkExpression(expr);
}
function getAugmentedPropertiesOfType(type) {
type = getApparentType(type);
var propsByName = createSymbolTable(getPropertiesOfType(type));
if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) {
ts.forEach(getPropertiesOfType(globalFunctionType), function (p) {
if (!ts.hasProperty(propsByName, p.name)) {
propsByName[p.name] = p;
}
});
}
return getNamedMembers(propsByName);
}
function getRootSymbols(symbol) {
if (symbol.flags & 268435456) {
var symbols = [];
var name_10 = symbol.name;
ts.forEach(getSymbolLinks(symbol).unionType.types, function (t) {
symbols.push(getPropertyOfType(t, name_10));
});
return symbols;
}
else if (symbol.flags & 67108864) {
var target = getSymbolLinks(symbol).target;
if (target) {
return [
target
];
}
}
return [
symbol
];
}
function isExternalModuleSymbol(symbol) {
return symbol.flags & 512 && symbol.declarations.length === 1 && symbol.declarations[0].kind === 227;
}
function getAliasNameSubstitution(symbol, getGeneratedNameForNode) {
if (languageVersion >= 2) {
return undefined;
}
var node = getDeclarationOfAliasSymbol(symbol);
if (node) {
if (node.kind === 210) {
return getGeneratedNameForNode(node.parent) + ".default";
}
if (node.kind === 213) {
var moduleName = getGeneratedNameForNode(node.parent.parent.parent);
var propertyName = node.propertyName || node.name;
return moduleName + "." + ts.unescapeIdentifier(propertyName.text);
}
}
}
function getExportNameSubstitution(symbol, location, getGeneratedNameForNode) {
if (isExternalModuleSymbol(symbol.parent)) {
if (languageVersion >= 2) {
return undefined;
}
return "exports." + ts.unescapeIdentifier(symbol.name);
}
var node = location;
var containerSymbol = getParentOfSymbol(symbol);
while (node) {
if ((node.kind === 205 || node.kind === 204) && getSymbolOfNode(node) === containerSymbol) {
return getGeneratedNameForNode(node) + "." + ts.unescapeIdentifier(symbol.name);
}
node = node.parent;
}
}
function getExpressionNameSubstitution(node, getGeneratedNameForNode) {
var symbol = getNodeLinks(node).resolvedSymbol || (ts.isDeclarationName(node) ? getSymbolOfNode(node.parent) : undefined);
if (symbol) {
if (symbol.parent) {
return getExportNameSubstitution(symbol, node.parent, getGeneratedNameForNode);
}
var exportSymbol = getExportSymbolOfValueSymbolIfExported(symbol);
if (symbol !== exportSymbol && !(exportSymbol.flags & 944)) {
return getExportNameSubstitution(exportSymbol, node.parent, getGeneratedNameForNode);
}
if (symbol.flags & 8388608) {
return getAliasNameSubstitution(symbol, getGeneratedNameForNode);
}
}
}
function isValueAliasDeclaration(node) {
switch (node.kind) {
case 208:
case 210:
case 211:
case 213:
case 217:
return isAliasResolvedToValue(getSymbolOfNode(node));
case 215:
var exportClause = node.exportClause;
return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration);
case 214:
return node.expression && node.expression.kind === 65 ? isAliasResolvedToValue(getSymbolOfNode(node)) : true;
}
return false;
}
function isTopLevelValueImportEqualsWithEntityName(node) {
if (node.parent.kind !== 227 || !ts.isInternalModuleImportEqualsDeclaration(node)) {
return false;
}
var isValue = isAliasResolvedToValue(getSymbolOfNode(node));
return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference);
}
function isAliasResolvedToValue(symbol) {
var target = resolveAlias(symbol);
if (target === unknownSymbol && compilerOptions.separateCompilation) {
return true;
}
return target !== unknownSymbol && target && target.flags & 107455 && !isConstEnumOrConstEnumOnlyModule(target);
}
function isConstEnumOrConstEnumOnlyModule(s) {
return isConstEnumSymbol(s) || s.constEnumOnlyModule;
}
function isReferencedAliasDeclaration(node, checkChildren) {
if (ts.isAliasSymbolDeclaration(node)) {
var symbol = getSymbolOfNode(node);
if (getSymbolLinks(symbol).referenced) {
return true;
}
}
if (checkChildren) {
return ts.forEachChild(node, function (node) {
return isReferencedAliasDeclaration(node, checkChildren);
});
}
return false;
}
function isImplementationOfOverload(node) {
if (ts.nodeIsPresent(node.body)) {
var symbol = getSymbolOfNode(node);
var signaturesOfSymbol = getSignaturesOfSymbol(symbol);
return signaturesOfSymbol.length > 1 || (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node);
}
return false;
}
function getNodeCheckFlags(node) {
return getNodeLinks(node).flags;
}
function getEnumMemberValue(node) {
computeEnumMemberValues(node.parent);
return getNodeLinks(node).enumMemberValue;
}
function getConstantValue(node) {
if (node.kind === 226) {
return getEnumMemberValue(node);
}
var symbol = getNodeLinks(node).resolvedSymbol;
if (symbol && (symbol.flags & 8)) {
if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) {
return getEnumMemberValue(symbol.valueDeclaration);
}
}
return undefined;
}
function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) {
var symbol = getSymbolOfNode(declaration);
var type = symbol && !(symbol.flags & (2048 | 131072)) ? getTypeOfSymbol(symbol) : unknownType;
getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags);
}
function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) {
var signature = getSignatureFromDeclaration(signatureDeclaration);
getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags);
}
function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) {
var type = getTypeOfExpression(expr);
getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags);
}
function hasGlobalName(name) {
return ts.hasProperty(globals, name);
}
function resolvesToSomeValue(location, name) {
ts.Debug.assert(!ts.nodeIsSynthesized(location), "resolvesToSomeValue called with a synthesized location");
return !!resolveName(location, name, 107455, undefined, undefined);
}
function getBlockScopedVariableId(n) {
ts.Debug.assert(!ts.nodeIsSynthesized(n));
var isVariableDeclarationOrBindingElement = n.parent.kind === 152 || (n.parent.kind === 198 && n.parent.name === n);
var symbol = (isVariableDeclarationOrBindingElement ? getSymbolOfNode(n.parent) : undefined) || getNodeLinks(n).resolvedSymbol || resolveName(n, n.text, 107455 | 8388608, undefined, undefined);
var isLetOrConst = symbol && (symbol.flags & 2) && symbol.valueDeclaration.parent.kind !== 223;
if (isLetOrConst) {
getSymbolLinks(symbol);
return symbol.id;
}
return undefined;
}
function instantiateSingleCallFunctionType(functionType, typeArguments) {
if (functionType === unknownType) {
return unknownType;
}
var signature = getSingleCallSignature(functionType);
if (!signature) {
return unknownType;
}
var instantiatedSignature = getSignatureInstantiation(signature, typeArguments);
return getOrCreateTypeFromSignature(instantiatedSignature);
}
function createResolver() {
return {
getExpressionNameSubstitution: getExpressionNameSubstitution,
isValueAliasDeclaration: isValueAliasDeclaration,
hasGlobalName: hasGlobalName,
isReferencedAliasDeclaration: isReferencedAliasDeclaration,
getNodeCheckFlags: getNodeCheckFlags,
isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName,
isDeclarationVisible: isDeclarationVisible,
isImplementationOfOverload: isImplementationOfOverload,
writeTypeOfDeclaration: writeTypeOfDeclaration,
writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration,
writeTypeOfExpression: writeTypeOfExpression,
isSymbolAccessible: isSymbolAccessible,
isEntityNameVisible: isEntityNameVisible,
getConstantValue: getConstantValue,
resolvesToSomeValue: resolvesToSomeValue,
collectLinkedAliases: collectLinkedAliases,
getBlockScopedVariableId: getBlockScopedVariableId
};
}
function initializeTypeChecker() {
ts.forEach(host.getSourceFiles(), function (file) {
ts.bindSourceFile(file);
});
ts.forEach(host.getSourceFiles(), function (file) {
if (!ts.isExternalModule(file)) {
mergeSymbolTable(globals, file.locals);
}
});
getSymbolLinks(undefinedSymbol).type = undefinedType;
getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments");
getSymbolLinks(unknownSymbol).type = unknownType;
globals[undefinedSymbol.name] = undefinedSymbol;
globalArraySymbol = getGlobalTypeSymbol("Array");
globalArrayType = getTypeOfGlobalSymbol(globalArraySymbol, 1);
globalObjectType = getGlobalType("Object");
globalFunctionType = getGlobalType("Function");
globalStringType = getGlobalType("String");
globalNumberType = getGlobalType("Number");
globalBooleanType = getGlobalType("Boolean");
globalRegExpType = getGlobalType("RegExp");
globalTypedPropertyDescriptorType = getTypeOfGlobalSymbol(getGlobalTypeSymbol("TypedPropertyDescriptor"), 1);
globalClassDecoratorType = getGlobalType("ClassDecorator");
globalPropertyDecoratorType = getGlobalType("PropertyDecorator");
globalMethodDecoratorType = getGlobalType("MethodDecorator");
globalParameterDecoratorType = getGlobalType("ParameterDecorator");
if (languageVersion >= 2) {
globalTemplateStringsArrayType = getGlobalType("TemplateStringsArray");
globalESSymbolType = getGlobalType("Symbol");
globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol");
globalIterableType = getGlobalType("Iterable", 1);
}
else {
globalTemplateStringsArrayType = unknownType;
globalESSymbolType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
globalESSymbolConstructorSymbol = undefined;
}
anyArrayType = createArrayType(anyType);
}
function checkGrammarDecorators(node) {
if (!node.decorators) {
return false;
}
if (!ts.nodeCanBeDecorated(node)) {
return grammarErrorOnNode(node, ts.Diagnostics.Decorators_are_not_valid_here);
}
else if (languageVersion < 1) {
return grammarErrorOnNode(node, ts.Diagnostics.Decorators_are_only_available_when_targeting_ECMAScript_5_and_higher);
}
else if (node.kind === 136 || node.kind === 137) {
var accessors = ts.getAllAccessorDeclarations(node.parent.members, node);
if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) {
return grammarErrorOnNode(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name);
}
}
return false;
}
function checkGrammarModifiers(node) {
switch (node.kind) {
case 136:
case 137:
case 135:
case 132:
case 131:
case 134:
case 133:
case 140:
case 201:
case 202:
case 205:
case 204:
case 180:
case 200:
case 203:
case 209:
case 208:
case 215:
case 214:
case 129:
break;
default:
return false;
}
if (!node.modifiers) {
return;
}
var lastStatic, lastPrivate, lastProtected, lastDeclare;
var flags = 0;
for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) {
var modifier = _a[_i];
switch (modifier.kind) {
case 109:
case 108:
case 107:
var text = void 0;
if (modifier.kind === 109) {
text = "public";
}
else if (modifier.kind === 108) {
text = "protected";
lastProtected = modifier;
}
else {
text = "private";
lastPrivate = modifier;
}
if (flags & 112) {
return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen);
}
else if (flags & 128) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static");
}
else if (node.parent.kind === 206 || node.parent.kind === 227) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, text);
}
flags |= ts.modifierToFlag(modifier.kind);
break;
case 110:
if (flags & 128) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static");
}
else if (node.parent.kind === 206 || node.parent.kind === 227) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, "static");
}
else if (node.kind === 129) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static");
}
flags |= 128;
lastStatic = modifier;
break;
case 78:
if (flags & 1) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export");
}
else if (flags & 2) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare");
}
else if (node.parent.kind === 201) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export");
}
else if (node.kind === 129) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export");
}
flags |= 1;
break;
case 115:
if (flags & 2) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare");
}
else if (node.parent.kind === 201) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare");
}
else if (node.kind === 129) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare");
}
else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 206) {
return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context);
}
flags |= 2;
lastDeclare = modifier;
break;
}
}
if (node.kind === 135) {
if (flags & 128) {
return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static");
}
else if (flags & 64) {
return grammarErrorOnNode(lastProtected, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "protected");
}
else if (flags & 32) {
return grammarErrorOnNode(lastPrivate, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "private");
}
}
else if ((node.kind === 209 || node.kind === 208) && flags & 2) {
return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_declare_modifier_cannot_be_used_with_an_import_declaration, "declare");
}
else if (node.kind === 202 && flags & 2) {
return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_declare_modifier_cannot_be_used_with_an_interface_declaration, "declare");
}
else if (node.kind === 129 && (flags & 112) && ts.isBindingPattern(node.name)) {
return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_a_binding_pattern);
}
}
function checkGrammarForDisallowedTrailingComma(list) {
if (list && list.hasTrailingComma) {
var start = list.end - ",".length;
var end = list.end;
var sourceFile = ts.getSourceFileOfNode(list[0]);
return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed);
}
}
function checkGrammarTypeParameterList(node, typeParameters, file) {
if (checkGrammarForDisallowedTrailingComma(typeParameters)) {
return true;
}
if (typeParameters && typeParameters.length === 0) {
var start = typeParameters.pos - "<".length;
var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length;
return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty);
}
}
function checkGrammarParameterList(parameters) {
if (checkGrammarForDisallowedTrailingComma(parameters)) {
return true;
}
var seenOptionalParameter = false;
var parameterCount = parameters.length;
for (var i = 0; i < parameterCount; i++) {
var parameter = parameters[i];
if (parameter.dotDotDotToken) {
if (i !== (parameterCount - 1)) {
return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list);
}
if (parameter.questionToken) {
return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional);
}
if (parameter.initializer) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer);
}
}
else if (parameter.questionToken || parameter.initializer) {
seenOptionalParameter = true;
if (parameter.questionToken && parameter.initializer) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer);
}
}
else {
if (seenOptionalParameter) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter);
}
}
}
}
function checkGrammarFunctionLikeDeclaration(node) {
var file = ts.getSourceFileOfNode(node);
return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) || checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file);
}
function checkGrammarArrowFunction(node, file) {
if (node.kind === 163) {
var arrowFunction = node;
var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line;
var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line;
if (startLine !== endLine) {
return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow);
}
}
return false;
}
function checkGrammarIndexSignatureParameters(node) {
var parameter = node.parameters[0];
if (node.parameters.length !== 1) {
if (parameter) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter);
}
else {
return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter);
}
}
if (parameter.dotDotDotToken) {
return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter);
}
if (parameter.flags & 499) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier);
}
if (parameter.questionToken) {
return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark);
}
if (parameter.initializer) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer);
}
if (!parameter.type) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation);
}
if (parameter.type.kind !== 121 && parameter.type.kind !== 119) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number);
}
if (!node.type) {
return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation);
}
}
function checkGrammarForIndexSignatureModifier(node) {
if (node.flags & 499) {
grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_not_permitted_on_index_signature_members);
}
}
function checkGrammarIndexSignature(node) {
return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node) || checkGrammarForIndexSignatureModifier(node);
}
function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) {
if (typeArguments && typeArguments.length === 0) {
var sourceFile = ts.getSourceFileOfNode(node);
var start = typeArguments.pos - "<".length;
var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length;
return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty);
}
}
function checkGrammarTypeArguments(node, typeArguments) {
return checkGrammarForDisallowedTrailingComma(typeArguments) || checkGrammarForAtLeastOneTypeArgument(node, typeArguments);
}
function checkGrammarForOmittedArgument(node, arguments) {
if (arguments) {
var sourceFile = ts.getSourceFileOfNode(node);
for (var _i = 0; _i < arguments.length; _i++) {
var arg = arguments[_i];
if (arg.kind === 175) {
return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected);
}
}
}
}
function checkGrammarArguments(node, arguments) {
return checkGrammarForDisallowedTrailingComma(arguments) || checkGrammarForOmittedArgument(node, arguments);
}
function checkGrammarHeritageClause(node) {
var types = node.types;
if (checkGrammarForDisallowedTrailingComma(types)) {
return true;
}
if (types && types.length === 0) {
var listType = ts.tokenToString(node.token);
var sourceFile = ts.getSourceFileOfNode(node);
return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType);
}
}
function checkGrammarClassDeclarationHeritageClauses(node) {
var seenExtendsClause = false;
var seenImplementsClause = false;
if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) {
for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) {
var heritageClause = _a[_i];
if (heritageClause.token === 79) {
if (seenExtendsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen);
}
if (seenImplementsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause);
}
if (heritageClause.types.length > 1) {
return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class);
}
seenExtendsClause = true;
}
else {
ts.Debug.assert(heritageClause.token === 103);
if (seenImplementsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen);
}
seenImplementsClause = true;
}
checkGrammarHeritageClause(heritageClause);
}
}
}
function checkGrammarInterfaceDeclaration(node) {
var seenExtendsClause = false;
if (node.heritageClauses) {
for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) {
var heritageClause = _a[_i];
if (heritageClause.token === 79) {
if (seenExtendsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen);
}
seenExtendsClause = true;
}
else {
ts.Debug.assert(heritageClause.token === 103);
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause);
}
checkGrammarHeritageClause(heritageClause);
}
}
return false;
}
function checkGrammarComputedPropertyName(node) {
if (node.kind !== 127) {
return false;
}
var computedPropertyName = node;
if (computedPropertyName.expression.kind === 169 && computedPropertyName.expression.operatorToken.kind === 23) {
return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name);
}
}
function checkGrammarForGenerator(node) {
if (node.asteriskToken) {
return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_currently_supported);
}
}
function checkGrammarFunctionName(name) {
return checkGrammarEvalOrArgumentsInStrictMode(name, name);
}
function checkGrammarForInvalidQuestionMark(node, questionToken, message) {
if (questionToken) {
return grammarErrorOnNode(questionToken, message);
}
}
function checkGrammarObjectLiteralExpression(node) {
var seen = {};
var Property = 1;
var GetAccessor = 2;
var SetAccesor = 4;
var GetOrSetAccessor = GetAccessor | SetAccesor;
var inStrictMode = (node.parserContextFlags & 1) !== 0;
for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
var prop = _a[_i];
var name_11 = prop.name;
if (prop.kind === 175 || name_11.kind === 127) {
checkGrammarComputedPropertyName(name_11);
continue;
}
var currentKind = void 0;
if (prop.kind === 224 || prop.kind === 225) {
checkGrammarForInvalidQuestionMark(prop, prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional);
if (name_11.kind === 7) {
checkGrammarNumbericLiteral(name_11);
}
currentKind = Property;
}
else if (prop.kind === 134) {
currentKind = Property;
}
else if (prop.kind === 136) {
currentKind = GetAccessor;
}
else if (prop.kind === 137) {
currentKind = SetAccesor;
}
else {
ts.Debug.fail("Unexpected syntax kind:" + prop.kind);
}
if (!ts.hasProperty(seen, name_11.text)) {
seen[name_11.text] = currentKind;
}
else {
var existingKind = seen[name_11.text];
if (currentKind === Property && existingKind === Property) {
if (inStrictMode) {
grammarErrorOnNode(name_11, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode);
}
}
else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) {
if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) {
seen[name_11.text] = currentKind | existingKind;
}
else {
return grammarErrorOnNode(name_11, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name);
}
}
else {
return grammarErrorOnNode(name_11, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name);
}
}
}
}
function checkGrammarForInOrForOfStatement(forInOrOfStatement) {
if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) {
return true;
}
if (forInOrOfStatement.initializer.kind === 199) {
var variableList = forInOrOfStatement.initializer;
if (!checkGrammarVariableDeclarationList(variableList)) {
if (variableList.declarations.length > 1) {
var diagnostic = forInOrOfStatement.kind === 187 ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement;
return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic);
}
var firstDeclaration = variableList.declarations[0];
if (firstDeclaration.initializer) {
var diagnostic = forInOrOfStatement.kind === 187 ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer;
return grammarErrorOnNode(firstDeclaration.name, diagnostic);
}
if (firstDeclaration.type) {
var diagnostic = forInOrOfStatement.kind === 187 ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation;
return grammarErrorOnNode(firstDeclaration, diagnostic);
}
}
}
return false;
}
function checkGrammarAccessor(accessor) {
var kind = accessor.kind;
if (languageVersion < 1) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher);
}
else if (ts.isInAmbientContext(accessor)) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context);
}
else if (accessor.body === undefined) {
return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{");
}
else if (accessor.typeParameters) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters);
}
else if (kind === 136 && accessor.parameters.length) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_get_accessor_cannot_have_parameters);
}
else if (kind === 137) {
if (accessor.type) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation);
}
else if (accessor.parameters.length !== 1) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter);
}
else {
var parameter = accessor.parameters[0];
if (parameter.dotDotDotToken) {
return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter);
}
else if (parameter.flags & 499) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation);
}
else if (parameter.questionToken) {
return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter);
}
else if (parameter.initializer) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer);
}
}
}
}
function checkGrammarForNonSymbolComputedProperty(node, message) {
if (node.kind === 127 && !ts.isWellKnownSymbolSyntactically(node.expression)) {
return grammarErrorOnNode(node, message);
}
}
function checkGrammarMethod(node) {
if (checkGrammarDisallowedModifiersInBlockOrObjectLiteralExpression(node) || checkGrammarFunctionLikeDeclaration(node) || checkGrammarForGenerator(node)) {
return true;
}
if (node.parent.kind === 154) {
if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) {
return true;
}
else if (node.body === undefined) {
return grammarErrorAtPos(getSourceFile(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{");
}
}
if (node.parent.kind === 201) {
if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) {
return true;
}
if (ts.isInAmbientContext(node)) {
return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol);
}
else if (!node.body) {
return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol);
}
}
else if (node.parent.kind === 202) {
return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol);
}
else if (node.parent.kind === 145) {
return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol);
}
}
function isIterationStatement(node, lookInLabeledStatements) {
switch (node.kind) {
case 186:
case 187:
case 188:
case 184:
case 185:
return true;
case 194:
return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements);
}
return false;
}
function checkGrammarBreakOrContinueStatement(node) {
var current = node;
while (current) {
if (ts.isFunctionLike(current)) {
return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary);
}
switch (current.kind) {
case 194:
if (node.label && current.label.text === node.label.text) {
var isMisplacedContinueLabel = node.kind === 189 && !isIterationStatement(current.statement, true);
if (isMisplacedContinueLabel) {
return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement);
}
return false;
}
break;
case 193:
if (node.kind === 190 && !node.label) {
return false;
}
break;
default:
if (isIterationStatement(current, false) && !node.label) {
return false;
}
break;
}
current = current.parent;
}
if (node.label) {
var message = node.kind === 190 ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement;
return grammarErrorOnNode(node, message);
}
else {
var message = node.kind === 190 ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement;
return grammarErrorOnNode(node, message);
}
}
function checkGrammarBindingElement(node) {
if (node.dotDotDotToken) {
var elements = node.parent.elements;
if (node !== elements[elements.length - 1]) {
return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern);
}
if (node.initializer) {
return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer);
}
}
return checkGrammarEvalOrArgumentsInStrictMode(node, node.name);
}
function checkGrammarVariableDeclaration(node) {
if (node.parent.parent.kind !== 187 && node.parent.parent.kind !== 188) {
if (ts.isInAmbientContext(node)) {
if (node.initializer) {
var equalsTokenLength = "=".length;
return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts);
}
}
else if (!node.initializer) {
if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) {
return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer);
}
if (ts.isConst(node)) {
return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized);
}
}
}
var checkLetConstNames = languageVersion >= 2 && (ts.isLet(node) || ts.isConst(node));
return (checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name)) || checkGrammarEvalOrArgumentsInStrictMode(node, node.name);
}
function checkGrammarNameInLetOrConstDeclarations(name) {
if (name.kind === 65) {
if (name.text === "let") {
return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations);
}
}
else {
var elements = name.elements;
for (var _i = 0; _i < elements.length; _i++) {
var element = elements[_i];
checkGrammarNameInLetOrConstDeclarations(element.name);
}
}
}
function checkGrammarVariableDeclarationList(declarationList) {
var declarations = declarationList.declarations;
if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) {
return true;
}
if (!declarationList.declarations.length) {
return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty);
}
}
function allowLetAndConstDeclarations(parent) {
switch (parent.kind) {
case 183:
case 184:
case 185:
case 192:
case 186:
case 187:
case 188:
return false;
case 194:
return allowLetAndConstDeclarations(parent.parent);
}
return true;
}
function checkGrammarForDisallowedLetOrConstStatement(node) {
if (!allowLetAndConstDeclarations(node.parent)) {
if (ts.isLet(node.declarationList)) {
return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block);
}
else if (ts.isConst(node.declarationList)) {
return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block);
}
}
}
function isIntegerLiteral(expression) {
if (expression.kind === 167) {
var unaryExpression = expression;
if (unaryExpression.operator === 33 || unaryExpression.operator === 34) {
expression = unaryExpression.operand;
}
}
if (expression.kind === 7) {
return /^[0-9]+([eE]\+?[0-9]+)?$/.test(expression.text);
}
return false;
}
function checkGrammarEnumDeclaration(enumDecl) {
var enumIsConst = (enumDecl.flags & 8192) !== 0;
var hasError = false;
if (!enumIsConst) {
var inConstantEnumMemberSection = true;
var inAmbientContext = ts.isInAmbientContext(enumDecl);
for (var _i = 0, _a = enumDecl.members; _i < _a.length; _i++) {
var node = _a[_i];
if (node.name.kind === 127) {
hasError = grammarErrorOnNode(node.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums);
}
else if (inAmbientContext) {
if (node.initializer && !isIntegerLiteral(node.initializer)) {
hasError = grammarErrorOnNode(node.name, ts.Diagnostics.Ambient_enum_elements_can_only_have_integer_literal_initializers) || hasError;
}
}
else if (node.initializer) {
inConstantEnumMemberSection = isIntegerLiteral(node.initializer);
}
else if (!inConstantEnumMemberSection) {
hasError = grammarErrorOnNode(node.name, ts.Diagnostics.Enum_member_must_have_initializer) || hasError;
}
}
}
return hasError;
}
function hasParseDiagnostics(sourceFile) {
return sourceFile.parseDiagnostics.length > 0;
}
function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) {
var sourceFile = ts.getSourceFileOfNode(node);
if (!hasParseDiagnostics(sourceFile)) {
var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos);
diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2));
return true;
}
}
function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) {
if (!hasParseDiagnostics(sourceFile)) {
diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2));
return true;
}
}
function grammarErrorOnNode(node, message, arg0, arg1, arg2) {
var sourceFile = ts.getSourceFileOfNode(node);
if (!hasParseDiagnostics(sourceFile)) {
diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2));
return true;
}
}
function checkGrammarEvalOrArgumentsInStrictMode(contextNode, name) {
if (name && name.kind === 65) {
var identifier = name;
if (contextNode && (contextNode.parserContextFlags & 1) && ts.isEvalOrArgumentsIdentifier(identifier)) {
var nameText = ts.declarationNameToString(identifier);
return grammarErrorOnNode(identifier, ts.Diagnostics.Invalid_use_of_0_in_strict_mode, nameText);
}
}
}
function checkGrammarConstructorTypeParameters(node) {
if (node.typeParameters) {
return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration);
}
}
function checkGrammarConstructorTypeAnnotation(node) {
if (node.type) {
return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration);
}
}
function checkGrammarProperty(node) {
if (node.parent.kind === 201) {
if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional) || checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) {
return true;
}
}
else if (node.parent.kind === 202) {
if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) {
return true;
}
}
else if (node.parent.kind === 145) {
if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) {
return true;
}
}
if (ts.isInAmbientContext(node) && node.initializer) {
return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts);
}
}
function checkGrammarTopLevelElementForRequiredDeclareModifier(node) {
if (node.kind === 202 || node.kind === 209 || node.kind === 208 || node.kind === 215 || node.kind === 214 || (node.flags & 2) || (node.flags & (1 | 256))) {
return false;
}
return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file);
}
function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) {
for (var _i = 0, _a = file.statements; _i < _a.length; _i++) {
var decl = _a[_i];
if (ts.isDeclaration(decl) || decl.kind === 180) {
if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) {
return true;
}
}
}
}
function checkGrammarSourceFile(node) {
return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node);
}
function checkGrammarStatementInAmbientContext(node) {
if (ts.isInAmbientContext(node)) {
if (isAccessor(node.parent.kind)) {
return getNodeLinks(node).hasReportedStatementInAmbientContext = true;
}
var links = getNodeLinks(node);
if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) {
return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts);
}
if (node.parent.kind === 179 || node.parent.kind === 206 || node.parent.kind === 227) {
var links_1 = getNodeLinks(node.parent);
if (!links_1.hasReportedStatementInAmbientContext) {
return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts);
}
}
else {
}
}
}
function checkGrammarNumbericLiteral(node) {
if (node.flags & 16384) {
if (node.parserContextFlags & 1) {
return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode);
}
else if (languageVersion >= 1) {
return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher);
}
}
}
function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) {
var sourceFile = ts.getSourceFileOfNode(node);
if (!hasParseDiagnostics(sourceFile)) {
var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos);
diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), 0, message, arg0, arg1, arg2));
return true;
}
}
initializeTypeChecker();
return checker;
}
ts.createTypeChecker = createTypeChecker;
})(ts || (ts = {}));
/// <reference path="checker.ts"/>
var ts;
(function (ts) {
function getDeclarationDiagnostics(host, resolver, targetSourceFile) {
var diagnostics = [];
var jsFilePath = ts.getOwnEmitOutputFilePath(targetSourceFile, host, ".js");
emitDeclarations(host, resolver, diagnostics, jsFilePath, targetSourceFile);
return diagnostics;
}
ts.getDeclarationDiagnostics = getDeclarationDiagnostics;
function emitDeclarations(host, resolver, diagnostics, jsFilePath, root) {
var newLine = host.getNewLine();
var compilerOptions = host.getCompilerOptions();
var languageVersion = compilerOptions.target || 0;
var write;
var writeLine;
var increaseIndent;
var decreaseIndent;
var writeTextOfNode;
var writer = createAndSetNewTextWriterWithSymbolWriter();
var enclosingDeclaration;
var currentSourceFile;
var reportedDeclarationError = false;
var emitJsDocComments = compilerOptions.removeComments ? function (declaration) {
} : writeJsDocComments;
var emit = compilerOptions.stripInternal ? stripInternal : emitNode;
var moduleElementDeclarationEmitInfo = [];
var asynchronousSubModuleDeclarationEmitInfo;
var referencePathsOutput = "";
if (root) {
if (!compilerOptions.noResolve) {
var addedGlobalFileReference = false;
ts.forEach(root.referencedFiles, function (fileReference) {
var referencedFile = ts.tryResolveScriptReference(host, root, fileReference);
if (referencedFile && ((referencedFile.flags & 2048) || ts.shouldEmitToOwnFile(referencedFile, compilerOptions) || !addedGlobalFileReference)) {
writeReferencePath(referencedFile);
if (!ts.isExternalModuleOrDeclarationFile(referencedFile)) {
addedGlobalFileReference = true;
}
}
});
}
emitSourceFile(root);
if (moduleElementDeclarationEmitInfo.length) {
var oldWriter = writer;
ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) {
if (aliasEmitInfo.isVisible) {
ts.Debug.assert(aliasEmitInfo.node.kind === 209);
createAndSetNewTextWriterWithSymbolWriter();
ts.Debug.assert(aliasEmitInfo.indent === 0);
writeImportDeclaration(aliasEmitInfo.node);
aliasEmitInfo.asynchronousOutput = writer.getText();
}
});
setWriter(oldWriter);
}
}
else {
var emittedReferencedFiles = [];
ts.forEach(host.getSourceFiles(), function (sourceFile) {
if (!ts.isExternalModuleOrDeclarationFile(sourceFile)) {
if (!compilerOptions.noResolve) {
ts.forEach(sourceFile.referencedFiles, function (fileReference) {
var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference);
if (referencedFile && (ts.isExternalModuleOrDeclarationFile(referencedFile) && !ts.contains(emittedReferencedFiles, referencedFile))) {
writeReferencePath(referencedFile);
emittedReferencedFiles.push(referencedFile);
}
});
}
emitSourceFile(sourceFile);
}
});
}
return {
reportedDeclarationError: reportedDeclarationError,
moduleElementDeclarationEmitInfo: moduleElementDeclarationEmitInfo,
synchronousDeclarationOutput: writer.getText(),
referencePathsOutput: referencePathsOutput
};
function hasInternalAnnotation(range) {
var text = currentSourceFile.text;
var comment = text.substring(range.pos, range.end);
return comment.indexOf("@internal") >= 0;
}
function stripInternal(node) {
if (node) {
var leadingCommentRanges = ts.getLeadingCommentRanges(currentSourceFile.text, node.pos);
if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) {
return;
}
emitNode(node);
}
}
function createAndSetNewTextWriterWithSymbolWriter() {
var writer = ts.createTextWriter(newLine);
writer.trackSymbol = trackSymbol;
writer.writeKeyword = writer.write;
writer.writeOperator = writer.write;
writer.writePunctuation = writer.write;
writer.writeSpace = writer.write;
writer.writeStringLiteral = writer.writeLiteral;
writer.writeParameter = writer.write;
writer.writeSymbol = writer.write;
setWriter(writer);
return writer;
}
function setWriter(newWriter) {
writer = newWriter;
write = newWriter.write;
writeTextOfNode = newWriter.writeTextOfNode;
writeLine = newWriter.writeLine;
increaseIndent = newWriter.increaseIndent;
decreaseIndent = newWriter.decreaseIndent;
}
function writeAsynchronousModuleElements(nodes) {
var oldWriter = writer;
ts.forEach(nodes, function (declaration) {
var nodeToCheck;
if (declaration.kind === 198) {
nodeToCheck = declaration.parent.parent;
}
else if (declaration.kind === 212 || declaration.kind === 213 || declaration.kind === 210) {
ts.Debug.fail("We should be getting ImportDeclaration instead to write");
}
else {
nodeToCheck = declaration;
}
var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) {
return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined;
});
if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) {
moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) {
return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined;
});
}
if (moduleElementEmitInfo) {
if (moduleElementEmitInfo.node.kind === 209) {
moduleElementEmitInfo.isVisible = true;
}
else {
createAndSetNewTextWriterWithSymbolWriter();
for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) {
increaseIndent();
}
if (nodeToCheck.kind === 205) {
ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined);
asynchronousSubModuleDeclarationEmitInfo = [];
}
writeModuleElement(nodeToCheck);
if (nodeToCheck.kind === 205) {
moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo;
asynchronousSubModuleDeclarationEmitInfo = undefined;
}
moduleElementEmitInfo.asynchronousOutput = writer.getText();
}
}
});
setWriter(oldWriter);
}
function handleSymbolAccessibilityError(symbolAccesibilityResult) {
if (symbolAccesibilityResult.accessibility === 0) {
if (symbolAccesibilityResult && symbolAccesibilityResult.aliasesToMakeVisible) {
writeAsynchronousModuleElements(symbolAccesibilityResult.aliasesToMakeVisible);
}
}
else {
reportedDeclarationError = true;
var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccesibilityResult);
if (errorInfo) {
if (errorInfo.typeName) {
diagnostics.push(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, errorInfo.typeName), symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName));
}
else {
diagnostics.push(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName));
}
}
}
}
function trackSymbol(symbol, enclosingDeclaration, meaning) {
handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning));
}
function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) {
writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic;
write(": ");
if (type) {
emitType(type);
}
else {
resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2, writer);
}
}
function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) {
writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic;
write(": ");
if (signature.type) {
emitType(signature.type);
}
else {
resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2, writer);
}
}
function emitLines(nodes) {
for (var _i = 0; _i < nodes.length; _i++) {
var node = nodes[_i];
emit(node);
}
}
function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) {
var currentWriterPos = writer.getTextPos();
for (var _i = 0; _i < nodes.length; _i++) {
var node = nodes[_i];
if (!canEmitFn || canEmitFn(node)) {
if (currentWriterPos !== writer.getTextPos()) {
write(separator);
}
currentWriterPos = writer.getTextPos();
eachNodeEmitFn(node);
}
}
}
function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) {
emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn);
}
function writeJsDocComments(declaration) {
if (declaration) {
var jsDocComments = ts.getJsDocComments(declaration, currentSourceFile);
ts.emitNewLineBeforeLeadingComments(currentSourceFile, writer, declaration, jsDocComments);
ts.emitComments(currentSourceFile, writer, jsDocComments, true, newLine, ts.writeCommentRange);
}
}
function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) {
writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic;
emitType(type);
}
function emitType(type) {
switch (type.kind) {
case 112:
case 121:
case 119:
case 113:
case 122:
case 99:
case 8:
return writeTextOfNode(currentSourceFile, type);
case 177:
return emitHeritageClauseElement(type);
case 141:
return emitTypeReference(type);
case 144:
return emitTypeQuery(type);
case 146:
return emitArrayType(type);
case 147:
return emitTupleType(type);
case 148:
return emitUnionType(type);
case 149:
return emitParenType(type);
case 142:
case 143:
return emitSignatureDeclarationWithJsDocComments(type);
case 145:
return emitTypeLiteral(type);
case 65:
return emitEntityName(type);
case 126:
return emitEntityName(type);
}
function emitEntityName(entityName) {
var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 208 ? entityName.parent : enclosingDeclaration);
handleSymbolAccessibilityError(visibilityResult);
writeEntityName(entityName);
function writeEntityName(entityName) {
if (entityName.kind === 65) {
writeTextOfNode(currentSourceFile, entityName);
}
else {
var left = entityName.kind === 126 ? entityName.left : entityName.expression;
var right = entityName.kind === 126 ? entityName.right : entityName.name;
writeEntityName(left);
write(".");
writeTextOfNode(currentSourceFile, right);
}
}
}
function emitHeritageClauseElement(node) {
if (ts.isSupportedHeritageClauseElement(node)) {
ts.Debug.assert(node.expression.kind === 65 || node.expression.kind === 155);
emitEntityName(node.expression);
if (node.typeArguments) {
write("<");
emitCommaList(node.typeArguments, emitType);
write(">");
}
}
}
function emitTypeReference(type) {
emitEntityName(type.typeName);
if (type.typeArguments) {
write("<");
emitCommaList(type.typeArguments, emitType);
write(">");
}
}
function emitTypeQuery(type) {
write("typeof ");
emitEntityName(type.exprName);
}
function emitArrayType(type) {
emitType(type.elementType);
write("[]");
}
function emitTupleType(type) {
write("[");
emitCommaList(type.elementTypes, emitType);
write("]");
}
function emitUnionType(type) {
emitSeparatedList(type.types, " | ", emitType);
}
function emitParenType(type) {
write("(");
emitType(type.type);
write(")");
}
function emitTypeLiteral(type) {
write("{");
if (type.members.length) {
writeLine();
increaseIndent();
emitLines(type.members);
decreaseIndent();
}
write("}");
}
}
function emitSourceFile(node) {
currentSourceFile = node;
enclosingDeclaration = node;
emitLines(node.statements);
}
function emitExportAssignment(node) {
write(node.isExportEquals ? "export = " : "export default ");
if (node.expression.kind === 65) {
writeTextOfNode(currentSourceFile, node.expression);
}
else {
write(": ");
if (node.type) {
emitType(node.type);
}
else {
writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic;
resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2, writer);
}
}
write(";");
writeLine();
if (node.expression.kind === 65) {
var nodes = resolver.collectLinkedAliases(node.expression);
writeAsynchronousModuleElements(nodes);
}
function getDefaultExportAccessibilityDiagnostic(diagnostic) {
return {
diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0,
errorNode: node
};
}
}
function isModuleElementVisible(node) {
return resolver.isDeclarationVisible(node);
}
function emitModuleElement(node, isModuleElementVisible) {
if (isModuleElementVisible) {
writeModuleElement(node);
}
else if (node.kind === 208 || (node.parent.kind === 227 && ts.isExternalModule(currentSourceFile))) {
var isVisible;
if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 227) {
asynchronousSubModuleDeclarationEmitInfo.push({
node: node,
outputPos: writer.getTextPos(),
indent: writer.getIndent(),
isVisible: isVisible
});
}
else {
if (node.kind === 209) {
var importDeclaration = node;
if (importDeclaration.importClause) {
isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || isVisibleNamedBinding(importDeclaration.importClause.namedBindings);
}
}
moduleElementDeclarationEmitInfo.push({
node: node,
outputPos: writer.getTextPos(),
indent: writer.getIndent(),
isVisible: isVisible
});
}
}
}
function writeModuleElement(node) {
switch (node.kind) {
case 200:
return writeFunctionDeclaration(node);
case 180:
return writeVariableStatement(node);
case 202:
return writeInterfaceDeclaration(node);
case 201:
return writeClassDeclaration(node);
case 203:
return writeTypeAliasDeclaration(node);
case 204:
return writeEnumDeclaration(node);
case 205:
return writeModuleDeclaration(node);
case 208:
return writeImportEqualsDeclaration(node);
case 209:
return writeImportDeclaration(node);
default:
ts.Debug.fail("Unknown symbol kind");
}
}
function emitModuleElementDeclarationFlags(node) {
if (node.parent === currentSourceFile) {
if (node.flags & 1) {
write("export ");
}
if (node.flags & 256) {
write("default ");
}
else if (node.kind !== 202) {
write("declare ");
}
}
}
function emitClassMemberDeclarationFlags(node) {
if (node.flags & 32) {
write("private ");
}
else if (node.flags & 64) {
write("protected ");
}
if (node.flags & 128) {
write("static ");
}
}
function writeImportEqualsDeclaration(node) {
emitJsDocComments(node);
if (node.flags & 1) {
write("export ");
}
write("import ");
writeTextOfNode(currentSourceFile, node.name);
write(" = ");
if (ts.isInternalModuleImportEqualsDeclaration(node)) {
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError);
write(";");
}
else {
write("require(");
writeTextOfNode(currentSourceFile, ts.getExternalModuleImportEqualsDeclarationExpression(node));
write(");");
}
writer.writeLine();
function getImportEntityNameVisibilityError(symbolAccesibilityResult) {
return {
diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1,
errorNode: node,
typeName: node.name
};
}
}
function isVisibleNamedBinding(namedBindings) {
if (namedBindings) {
if (namedBindings.kind === 211) {
return resolver.isDeclarationVisible(namedBindings);
}
else {
return ts.forEach(namedBindings.elements, function (namedImport) {
return resolver.isDeclarationVisible(namedImport);
});
}
}
}
function writeImportDeclaration(node) {
if (!node.importClause && !(node.flags & 1)) {
return;
}
emitJsDocComments(node);
if (node.flags & 1) {
write("export ");
}
write("import ");
if (node.importClause) {
var currentWriterPos = writer.getTextPos();
if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) {
writeTextOfNode(currentSourceFile, node.importClause.name);
}
if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) {
if (currentWriterPos !== writer.getTextPos()) {
write(", ");
}
if (node.importClause.namedBindings.kind === 211) {
write("* as ");
writeTextOfNode(currentSourceFile, node.importClause.namedBindings.name);
}
else {
write("{ ");
emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible);
write(" }");
}
}
write(" from ");
}
writeTextOfNode(currentSourceFile, node.moduleSpecifier);
write(";");
writer.writeLine();
}
function emitImportOrExportSpecifier(node) {
if (node.propertyName) {
writeTextOfNode(currentSourceFile, node.propertyName);
write(" as ");
}
writeTextOfNode(currentSourceFile, node.name);
}
function emitExportSpecifier(node) {
emitImportOrExportSpecifier(node);
var nodes = resolver.collectLinkedAliases(node.propertyName || node.name);
writeAsynchronousModuleElements(nodes);
}
function emitExportDeclaration(node) {
emitJsDocComments(node);
write("export ");
if (node.exportClause) {
write("{ ");
emitCommaList(node.exportClause.elements, emitExportSpecifier);
write(" }");
}
else {
write("*");
}
if (node.moduleSpecifier) {
write(" from ");
writeTextOfNode(currentSourceFile, node.moduleSpecifier);
}
write(";");
writer.writeLine();
}
function writeModuleDeclaration(node) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
write("module ");
writeTextOfNode(currentSourceFile, node.name);
while (node.body.kind !== 206) {
node = node.body;
write(".");
writeTextOfNode(currentSourceFile, node.name);
}
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
write(" {");
writeLine();
increaseIndent();
emitLines(node.body.statements);
decreaseIndent();
write("}");
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
}
function writeTypeAliasDeclaration(node) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
write("type ");
writeTextOfNode(currentSourceFile, node.name);
write(" = ");
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError);
write(";");
writeLine();
function getTypeAliasDeclarationVisibilityError(symbolAccesibilityResult) {
return {
diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1,
errorNode: node.type,
typeName: node.name
};
}
}
function writeEnumDeclaration(node) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
if (ts.isConst(node)) {
write("const ");
}
write("enum ");
writeTextOfNode(currentSourceFile, node.name);
write(" {");
writeLine();
increaseIndent();
emitLines(node.members);
decreaseIndent();
write("}");
writeLine();
}
function emitEnumMemberDeclaration(node) {
emitJsDocComments(node);
writeTextOfNode(currentSourceFile, node.name);
var enumMemberValue = resolver.getConstantValue(node);
if (enumMemberValue !== undefined) {
write(" = ");
write(enumMemberValue.toString());
}
write(",");
writeLine();
}
function isPrivateMethodTypeParameter(node) {
return node.parent.kind === 134 && (node.parent.flags & 32);
}
function emitTypeParameters(typeParameters) {
function emitTypeParameter(node) {
increaseIndent();
emitJsDocComments(node);
decreaseIndent();
writeTextOfNode(currentSourceFile, node.name);
if (node.constraint && !isPrivateMethodTypeParameter(node)) {
write(" extends ");
if (node.parent.kind === 142 || node.parent.kind === 143 || (node.parent.parent && node.parent.parent.kind === 145)) {
ts.Debug.assert(node.parent.kind === 134 || node.parent.kind === 133 || node.parent.kind === 142 || node.parent.kind === 143 || node.parent.kind === 138 || node.parent.kind === 139);
emitType(node.constraint);
}
else {
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError);
}
}
function getTypeParameterConstraintVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage;
switch (node.parent.kind) {
case 201:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1;
break;
case 202:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1;
break;
case 139:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1;
break;
case 138:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1;
break;
case 134:
case 133:
if (node.parent.flags & 128) {
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1;
}
else if (node.parent.parent.kind === 201) {
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1;
}
break;
case 200:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1;
break;
default:
ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind);
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.name
};
}
}
if (typeParameters) {
write("<");
emitCommaList(typeParameters, emitTypeParameter);
write(">");
}
}
function emitHeritageClause(typeReferences, isImplementsList) {
if (typeReferences) {
write(isImplementsList ? " implements " : " extends ");
emitCommaList(typeReferences, emitTypeOfTypeReference);
}
function emitTypeOfTypeReference(node) {
if (ts.isSupportedHeritageClauseElement(node)) {
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError);
}
function getHeritageClauseVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage;
if (node.parent.parent.kind === 201) {
diagnosticMessage = isImplementsList ? ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1;
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.parent.parent.name
};
}
}
}
function writeClassDeclaration(node) {
function emitParameterProperties(constructorDeclaration) {
if (constructorDeclaration) {
ts.forEach(constructorDeclaration.parameters, function (param) {
if (param.flags & 112) {
emitPropertyDeclaration(param);
}
});
}
}
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
write("class ");
writeTextOfNode(currentSourceFile, node.name);
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
emitTypeParameters(node.typeParameters);
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node);
if (baseTypeNode) {
emitHeritageClause([
baseTypeNode
], false);
}
emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), true);
write(" {");
writeLine();
increaseIndent();
emitParameterProperties(ts.getFirstConstructorWithBody(node));
emitLines(node.members);
decreaseIndent();
write("}");
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
}
function writeInterfaceDeclaration(node) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
write("interface ");
writeTextOfNode(currentSourceFile, node.name);
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
emitTypeParameters(node.typeParameters);
emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false);
write(" {");
writeLine();
increaseIndent();
emitLines(node.members);
decreaseIndent();
write("}");
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
}
function emitPropertyDeclaration(node) {
if (ts.hasDynamicName(node)) {
return;
}
emitJsDocComments(node);
emitClassMemberDeclarationFlags(node);
emitVariableDeclaration(node);
write(";");
writeLine();
}
function emitVariableDeclaration(node) {
if (node.kind !== 198 || resolver.isDeclarationVisible(node)) {
if (ts.isBindingPattern(node.name)) {
emitBindingPattern(node.name);
}
else {
writeTextOfNode(currentSourceFile, node.name);
if ((node.kind === 132 || node.kind === 131) && ts.hasQuestionToken(node)) {
write("?");
}
if ((node.kind === 132 || node.kind === 131) && node.parent.kind === 145) {
emitTypeOfVariableDeclarationFromTypeLiteral(node);
}
else if (!(node.flags & 32)) {
writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError);
}
}
}
function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) {
if (node.kind === 198) {
return symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1;
}
else if (node.kind === 132 || node.kind === 131) {
if (node.flags & 128) {
return symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1;
}
else if (node.parent.kind === 201) {
return symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1;
}
else {
return symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1;
}
}
}
function getVariableDeclarationTypeVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult);
return diagnosticMessage !== undefined ? {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.name
} : undefined;
}
function emitBindingPattern(bindingPattern) {
var elements = [];
for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) {
var element = _a[_i];
if (element.kind !== 175) {
elements.push(element);
}
}
emitCommaList(elements, emitBindingElement);
}
function emitBindingElement(bindingElement) {
function getBindingElementTypeVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult);
return diagnosticMessage !== undefined ? {
diagnosticMessage: diagnosticMessage,
errorNode: bindingElement,
typeName: bindingElement.name
} : undefined;
}
if (bindingElement.name) {
if (ts.isBindingPattern(bindingElement.name)) {
emitBindingPattern(bindingElement.name);
}
else {
writeTextOfNode(currentSourceFile, bindingElement.name);
writeTypeOfDeclaration(bindingElement, undefined, getBindingElementTypeVisibilityError);
}
}
}
}
function emitTypeOfVariableDeclarationFromTypeLiteral(node) {
if (node.type) {
write(": ");
emitType(node.type);
}
}
function isVariableStatementVisible(node) {
return ts.forEach(node.declarationList.declarations, function (varDeclaration) {
return resolver.isDeclarationVisible(varDeclaration);
});
}
function writeVariableStatement(node) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
if (ts.isLet(node.declarationList)) {
write("let ");
}
else if (ts.isConst(node.declarationList)) {
write("const ");
}
else {
write("var ");
}
emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible);
write(";");
writeLine();
}
function emitAccessorDeclaration(node) {
if (ts.hasDynamicName(node)) {
return;
}
var accessors = ts.getAllAccessorDeclarations(node.parent.members, node);
var accessorWithTypeAnnotation;
if (node === accessors.firstAccessor) {
emitJsDocComments(accessors.getAccessor);
emitJsDocComments(accessors.setAccessor);
emitClassMemberDeclarationFlags(node);
writeTextOfNode(currentSourceFile, node.name);
if (!(node.flags & 32)) {
accessorWithTypeAnnotation = node;
var type = getTypeAnnotationFromAccessor(node);
if (!type) {
var anotherAccessor = node.kind === 136 ? accessors.setAccessor : accessors.getAccessor;
type = getTypeAnnotationFromAccessor(anotherAccessor);
if (type) {
accessorWithTypeAnnotation = anotherAccessor;
}
}
writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError);
}
write(";");
writeLine();
}
function getTypeAnnotationFromAccessor(accessor) {
if (accessor) {
return accessor.kind === 136 ? accessor.type : accessor.parameters.length > 0 ? accessor.parameters[0].type : undefined;
}
}
function getAccessorDeclarationTypeVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage;
if (accessorWithTypeAnnotation.kind === 137) {
if (accessorWithTypeAnnotation.parent.flags & 128) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1;
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: accessorWithTypeAnnotation.parameters[0],
typeName: accessorWithTypeAnnotation.name
};
}
else {
if (accessorWithTypeAnnotation.flags & 128) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0;
}
else {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0;
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: accessorWithTypeAnnotation.name,
typeName: undefined
};
}
}
}
function writeFunctionDeclaration(node) {
if (ts.hasDynamicName(node)) {
return;
}
if (!resolver.isImplementationOfOverload(node)) {
emitJsDocComments(node);
if (node.kind === 200) {
emitModuleElementDeclarationFlags(node);
}
else if (node.kind === 134) {
emitClassMemberDeclarationFlags(node);
}
if (node.kind === 200) {
write("function ");
writeTextOfNode(currentSourceFile, node.name);
}
else if (node.kind === 135) {
write("constructor");
}
else {
writeTextOfNode(currentSourceFile, node.name);
if (ts.hasQuestionToken(node)) {
write("?");
}
}
emitSignatureDeclaration(node);
}
}
function emitSignatureDeclarationWithJsDocComments(node) {
emitJsDocComments(node);
emitSignatureDeclaration(node);
}
function emitSignatureDeclaration(node) {
if (node.kind === 139 || node.kind === 143) {
write("new ");
}
emitTypeParameters(node.typeParameters);
if (node.kind === 140) {
write("[");
}
else {
write("(");
}
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
emitCommaList(node.parameters, emitParameterDeclaration);
if (node.kind === 140) {
write("]");
}
else {
write(")");
}
var isFunctionTypeOrConstructorType = node.kind === 142 || node.kind === 143;
if (isFunctionTypeOrConstructorType || node.parent.kind === 145) {
if (node.type) {
write(isFunctionTypeOrConstructorType ? " => " : ": ");
emitType(node.type);
}
}
else if (node.kind !== 135 && !(node.flags & 32)) {
writeReturnTypeAtSignature(node, getReturnTypeVisibilityError);
}
enclosingDeclaration = prevEnclosingDeclaration;
if (!isFunctionTypeOrConstructorType) {
write(";");
writeLine();
}
function getReturnTypeVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage;
switch (node.kind) {
case 139:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0;
break;
case 138:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0;
break;
case 140:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0;
break;
case 134:
case 133:
if (node.flags & 128) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0;
}
else if (node.parent.kind === 201) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0;
}
else {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0;
}
break;
case 200:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0;
break;
default:
ts.Debug.fail("This is unknown kind for signature: " + node.kind);
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: node.name || node
};
}
}
function emitParameterDeclaration(node) {
increaseIndent();
emitJsDocComments(node);
if (node.dotDotDotToken) {
write("...");
}
if (ts.isBindingPattern(node.name)) {
emitBindingPattern(node.name);
}
else {
writeTextOfNode(currentSourceFile, node.name);
}
if (node.initializer || ts.hasQuestionToken(node)) {
write("?");
}
decreaseIndent();
if (node.parent.kind === 142 || node.parent.kind === 143 || node.parent.parent.kind === 145) {
emitTypeOfVariableDeclarationFromTypeLiteral(node);
}
else if (!(node.parent.flags & 32)) {
writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError);
}
function getParameterDeclarationTypeVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult);
return diagnosticMessage !== undefined ? {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.name
} : undefined;
}
function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) {
switch (node.parent.kind) {
case 135:
return symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1;
case 139:
return symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1;
case 138:
return symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1;
case 134:
case 133:
if (node.parent.flags & 128) {
return symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1;
}
else if (node.parent.parent.kind === 201) {
return symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1;
}
else {
return symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1;
}
case 200:
return symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 ? ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1;
default:
ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind);
}
}
function emitBindingPattern(bindingPattern) {
if (bindingPattern.kind === 150) {
write("{");
emitCommaList(bindingPattern.elements, emitBindingElement);
write("}");
}
else if (bindingPattern.kind === 151) {
write("[");
var elements = bindingPattern.elements;
emitCommaList(elements, emitBindingElement);
if (elements && elements.hasTrailingComma) {
write(", ");
}
write("]");
}
}
function emitBindingElement(bindingElement) {
function getBindingElementTypeVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult);
return diagnosticMessage !== undefined ? {
diagnosticMessage: diagnosticMessage,
errorNode: bindingElement,
typeName: bindingElement.name
} : undefined;
}
if (bindingElement.kind === 175) {
write(" ");
}
else if (bindingElement.kind === 152) {
if (bindingElement.propertyName) {
writeTextOfNode(currentSourceFile, bindingElement.propertyName);
write(": ");
emitBindingPattern(bindingElement.name);
}
else if (bindingElement.name) {
if (ts.isBindingPattern(bindingElement.name)) {
emitBindingPattern(bindingElement.name);
}
else {
ts.Debug.assert(bindingElement.name.kind === 65);
if (bindingElement.dotDotDotToken) {
write("...");
}
writeTextOfNode(currentSourceFile, bindingElement.name);
}
}
}
}
}
function emitNode(node) {
switch (node.kind) {
case 200:
case 205:
case 208:
case 202:
case 201:
case 203:
case 204:
return emitModuleElement(node, isModuleElementVisible(node));
case 180:
return emitModuleElement(node, isVariableStatementVisible(node));
case 209:
return emitModuleElement(node, !node.importClause);
case 215:
return emitExportDeclaration(node);
case 135:
case 134:
case 133:
return writeFunctionDeclaration(node);
case 139:
case 138:
case 140:
return emitSignatureDeclarationWithJsDocComments(node);
case 136:
case 137:
return emitAccessorDeclaration(node);
case 132:
case 131:
return emitPropertyDeclaration(node);
case 226:
return emitEnumMemberDeclaration(node);
case 214:
return emitExportAssignment(node);
case 227:
return emitSourceFile(node);
}
}
function writeReferencePath(referencedFile) {
var declFileName = referencedFile.flags & 2048 ? referencedFile.fileName : ts.shouldEmitToOwnFile(referencedFile, compilerOptions) ? ts.getOwnEmitOutputFilePath(referencedFile, host, ".d.ts") : ts.removeFileExtension(compilerOptions.out) + ".d.ts";
declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(jsFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, false);
referencePathsOutput += "/// <reference path=\"" + declFileName + "\" />" + newLine;
}
}
function writeDeclarationFile(jsFilePath, sourceFile, host, resolver, diagnostics) {
var emitDeclarationResult = emitDeclarations(host, resolver, diagnostics, jsFilePath, sourceFile);
if (!emitDeclarationResult.reportedDeclarationError) {
var declarationOutput = emitDeclarationResult.referencePathsOutput + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo);
ts.writeFile(host, diagnostics, ts.removeFileExtension(jsFilePath) + ".d.ts", declarationOutput, host.getCompilerOptions().emitBOM);
}
function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) {
var appliedSyncOutputPos = 0;
var declarationOutput = "";
ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) {
if (aliasEmitInfo.asynchronousOutput) {
declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos);
declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo);
appliedSyncOutputPos = aliasEmitInfo.outputPos;
}
});
declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos);
return declarationOutput;
}
}
ts.writeDeclarationFile = writeDeclarationFile;
})(ts || (ts = {}));
/// <reference path="checker.ts"/>
/// <reference path="declarationEmitter.ts"/>
var ts;
(function (ts) {
function isExternalModuleOrDeclarationFile(sourceFile) {
return ts.isExternalModule(sourceFile) || ts.isDeclarationFile(sourceFile);
}
ts.isExternalModuleOrDeclarationFile = isExternalModuleOrDeclarationFile;
function emitFiles(resolver, host, targetSourceFile) {
var compilerOptions = host.getCompilerOptions();
var languageVersion = compilerOptions.target || 0;
var sourceMapDataList = compilerOptions.sourceMap ? [] : undefined;
var diagnostics = [];
var newLine = host.getNewLine();
if (targetSourceFile === undefined) {
ts.forEach(host.getSourceFiles(), function (sourceFile) {
if (ts.shouldEmitToOwnFile(sourceFile, compilerOptions)) {
var jsFilePath = ts.getOwnEmitOutputFilePath(sourceFile, host, ".js");
emitFile(jsFilePath, sourceFile);
}
});
if (compilerOptions.out) {
emitFile(compilerOptions.out);
}
}
else {
if (ts.shouldEmitToOwnFile(targetSourceFile, compilerOptions)) {
var jsFilePath = ts.getOwnEmitOutputFilePath(targetSourceFile, host, ".js");
emitFile(jsFilePath, targetSourceFile);
}
else if (!ts.isDeclarationFile(targetSourceFile) && compilerOptions.out) {
emitFile(compilerOptions.out);
}
}
diagnostics = ts.sortAndDeduplicateDiagnostics(diagnostics);
return {
emitSkipped: false,
diagnostics: diagnostics,
sourceMaps: sourceMapDataList
};
function isNodeDescendentOf(node, ancestor) {
while (node) {
if (node === ancestor)
return true;
node = node.parent;
}
return false;
}
function isUniqueLocalName(name, container) {
for (var node = container; isNodeDescendentOf(node, container); node = node.nextContainer) {
if (node.locals && ts.hasProperty(node.locals, name)) {
if (node.locals[name].flags & (107455 | 1048576 | 8388608)) {
return false;
}
}
}
return true;
}
function emitJavaScript(jsFilePath, root) {
var writer = ts.createTextWriter(newLine);
var write = writer.write;
var writeTextOfNode = writer.writeTextOfNode;
var writeLine = writer.writeLine;
var increaseIndent = writer.increaseIndent;
var decreaseIndent = writer.decreaseIndent;
var currentSourceFile;
var generatedNameSet = {};
var nodeToGeneratedName = [];
var blockScopedVariableToGeneratedName;
var computedPropertyNamesToGeneratedNames;
var extendsEmitted = false;
var decorateEmitted = false;
var tempFlags = 0;
var tempVariables;
var tempParameters;
var externalImports;
var exportSpecifiers;
var exportEquals;
var hasExportStars;
var writeEmittedFiles = writeJavaScriptFile;
var detachedCommentsInfo;
var writeComment = ts.writeCommentRange;
var emit = emitNodeWithoutSourceMap;
var emitStart = function (node) {
};
var emitEnd = function (node) {
};
var emitToken = emitTokenText;
var scopeEmitStart = function (scopeDeclaration, scopeName) {
};
var scopeEmitEnd = function () {
};
var sourceMapData;
if (compilerOptions.sourceMap) {
initializeEmitterWithSourceMaps();
}
if (root) {
emitSourceFile(root);
}
else {
ts.forEach(host.getSourceFiles(), function (sourceFile) {
if (!isExternalModuleOrDeclarationFile(sourceFile)) {
emitSourceFile(sourceFile);
}
});
}
writeLine();
writeEmittedFiles(writer.getText(), compilerOptions.emitBOM);
return;
function emitSourceFile(sourceFile) {
currentSourceFile = sourceFile;
emit(sourceFile);
}
function isUniqueName(name) {
return !resolver.hasGlobalName(name) && !ts.hasProperty(currentSourceFile.identifiers, name) && !ts.hasProperty(generatedNameSet, name);
}
function makeTempVariableName(flags) {
if (flags && !(tempFlags & flags)) {
var name = flags === 268435456 ? "_i" : "_n";
if (isUniqueName(name)) {
tempFlags |= flags;
return name;
}
}
while (true) {
var count = tempFlags & 268435455;
tempFlags++;
if (count !== 8 && count !== 13) {
var name_12 = count < 26 ? "_" + String.fromCharCode(97 + count) : "_" + (count - 26);
if (isUniqueName(name_12)) {
return name_12;
}
}
}
}
function makeUniqueName(baseName) {
if (baseName.charCodeAt(baseName.length - 1) !== 95) {
baseName += "_";
}
var i = 1;
while (true) {
var generatedName = baseName + i;
if (isUniqueName(generatedName)) {
return generatedNameSet[generatedName] = generatedName;
}
i++;
}
}
function assignGeneratedName(node, name) {
nodeToGeneratedName[ts.getNodeId(node)] = ts.unescapeIdentifier(name);
}
function generateNameForFunctionOrClassDeclaration(node) {
if (!node.name) {
assignGeneratedName(node, makeUniqueName("default"));
}
}
function generateNameForModuleOrEnum(node) {
if (node.name.kind === 65) {
var name_13 = node.name.text;
assignGeneratedName(node, isUniqueLocalName(name_13, node) ? name_13 : makeUniqueName(name_13));
}
}
function generateNameForImportOrExportDeclaration(node) {
var expr = ts.getExternalModuleName(node);
var baseName = expr.kind === 8 ? ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module";
assignGeneratedName(node, makeUniqueName(baseName));
}
function generateNameForImportDeclaration(node) {
if (node.importClause) {
generateNameForImportOrExportDeclaration(node);
}
}
function generateNameForExportDeclaration(node) {
if (node.moduleSpecifier) {
generateNameForImportOrExportDeclaration(node);
}
}
function generateNameForExportAssignment(node) {
if (node.expression && node.expression.kind !== 65) {
assignGeneratedName(node, makeUniqueName("default"));
}
}
function generateNameForNode(node) {
switch (node.kind) {
case 200:
case 201:
generateNameForFunctionOrClassDeclaration(node);
break;
case 205:
generateNameForModuleOrEnum(node);
generateNameForNode(node.body);
break;
case 204:
generateNameForModuleOrEnum(node);
break;
case 209:
generateNameForImportDeclaration(node);
break;
case 215:
generateNameForExportDeclaration(node);
break;
case 214:
generateNameForExportAssignment(node);
break;
}
}
function getGeneratedNameForNode(node) {
var nodeId = ts.getNodeId(node);
if (!nodeToGeneratedName[nodeId]) {
generateNameForNode(node);
}
return nodeToGeneratedName[nodeId];
}
function initializeEmitterWithSourceMaps() {
var sourceMapDir;
var sourceMapSourceIndex = -1;
var sourceMapNameIndexMap = {};
var sourceMapNameIndices = [];
function getSourceMapNameIndex() {
return sourceMapNameIndices.length ? sourceMapNameIndices[sourceMapNameIndices.length - 1] : -1;
}
var lastRecordedSourceMapSpan;
var lastEncodedSourceMapSpan = {
emittedLine: 1,
emittedColumn: 1,
sourceLine: 1,
sourceColumn: 1,
sourceIndex: 0
};
var lastEncodedNameIndex = 0;
function encodeLastRecordedSourceMapSpan() {
if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) {
return;
}
var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn;
if (lastEncodedSourceMapSpan.emittedLine == lastRecordedSourceMapSpan.emittedLine) {
if (sourceMapData.sourceMapMappings) {
sourceMapData.sourceMapMappings += ",";
}
}
else {
for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) {
sourceMapData.sourceMapMappings += ";";
}
prevEncodedEmittedColumn = 1;
}
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn);
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex);
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine);
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn);
if (lastRecordedSourceMapSpan.nameIndex >= 0) {
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex);
lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex;
}
lastEncodedSourceMapSpan = lastRecordedSourceMapSpan;
sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan);
function base64VLQFormatEncode(inValue) {
function base64FormatEncode(inValue) {
if (inValue < 64) {
return 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.charAt(inValue);
}
throw TypeError(inValue + ": not a 64 based value");
}
if (inValue < 0) {
inValue = ((-inValue) << 1) + 1;
}
else {
inValue = inValue << 1;
}
var encodedStr = "";
do {
var currentDigit = inValue & 31;
inValue = inValue >> 5;
if (inValue > 0) {
currentDigit = currentDigit | 32;
}
encodedStr = encodedStr + base64FormatEncode(currentDigit);
} while (inValue > 0);
return encodedStr;
}
}
function recordSourceMapSpan(pos) {
var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos);
sourceLinePos.line++;
sourceLinePos.character++;
var emittedLine = writer.getLine();
var emittedColumn = writer.getColumn();
if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan.emittedLine != emittedLine || lastRecordedSourceMapSpan.emittedColumn != emittedColumn || (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) {
encodeLastRecordedSourceMapSpan();
lastRecordedSourceMapSpan = {
emittedLine: emittedLine,
emittedColumn: emittedColumn,
sourceLine: sourceLinePos.line,
sourceColumn: sourceLinePos.character,
nameIndex: getSourceMapNameIndex(),
sourceIndex: sourceMapSourceIndex
};
}
else {
lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line;
lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character;
lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex;
}
}
function recordEmitNodeStartSpan(node) {
recordSourceMapSpan(ts.skipTrivia(currentSourceFile.text, node.pos));
}
function recordEmitNodeEndSpan(node) {
recordSourceMapSpan(node.end);
}
function writeTextWithSpanRecord(tokenKind, startPos, emitFn) {
var tokenStartPos = ts.skipTrivia(currentSourceFile.text, startPos);
recordSourceMapSpan(tokenStartPos);
var tokenEndPos = emitTokenText(tokenKind, tokenStartPos, emitFn);
recordSourceMapSpan(tokenEndPos);
return tokenEndPos;
}
function recordNewSourceFileStart(node) {
var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir;
sourceMapData.sourceMapSources.push(ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, node.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, true));
sourceMapSourceIndex = sourceMapData.sourceMapSources.length - 1;
sourceMapData.inputSourceFileNames.push(node.fileName);
}
function recordScopeNameOfNode(node, scopeName) {
function recordScopeNameIndex(scopeNameIndex) {
sourceMapNameIndices.push(scopeNameIndex);
}
function recordScopeNameStart(scopeName) {
var scopeNameIndex = -1;
if (scopeName) {
var parentIndex = getSourceMapNameIndex();
if (parentIndex !== -1) {
var name_14 = node.name;
if (!name_14 || name_14.kind !== 127) {
scopeName = "." + scopeName;
}
scopeName = sourceMapData.sourceMapNames[parentIndex] + scopeName;
}
scopeNameIndex = ts.getProperty(sourceMapNameIndexMap, scopeName);
if (scopeNameIndex === undefined) {
scopeNameIndex = sourceMapData.sourceMapNames.length;
sourceMapData.sourceMapNames.push(scopeName);
sourceMapNameIndexMap[scopeName] = scopeNameIndex;
}
}
recordScopeNameIndex(scopeNameIndex);
}
if (scopeName) {
recordScopeNameStart(scopeName);
}
else if (node.kind === 200 || node.kind === 162 || node.kind === 134 || node.kind === 133 || node.kind === 136 || node.kind === 137 || node.kind === 205 || node.kind === 201 || node.kind === 204) {
if (node.name) {
var name_15 = node.name;
scopeName = name_15.kind === 127 ? ts.getTextOfNode(name_15) : node.name.text;
}
recordScopeNameStart(scopeName);
}
else {
recordScopeNameIndex(getSourceMapNameIndex());
}
}
function recordScopeNameEnd() {
sourceMapNameIndices.pop();
}
;
function writeCommentRangeWithMap(curentSourceFile, writer, comment, newLine) {
recordSourceMapSpan(comment.pos);
ts.writeCommentRange(currentSourceFile, writer, comment, newLine);
recordSourceMapSpan(comment.end);
}
function serializeSourceMapContents(version, file, sourceRoot, sources, names, mappings) {
if (typeof JSON !== "undefined") {
return JSON.stringify({
version: version,
file: file,
sourceRoot: sourceRoot,
sources: sources,
names: names,
mappings: mappings
});
}
return "{\"version\":" + version + ",\"file\":\"" + ts.escapeString(file) + "\",\"sourceRoot\":\"" + ts.escapeString(sourceRoot) + "\",\"sources\":[" + serializeStringArray(sources) + "],\"names\":[" + serializeStringArray(names) + "],\"mappings\":\"" + ts.escapeString(mappings) + "\"}";
function serializeStringArray(list) {
var output = "";
for (var i = 0, n = list.length; i < n; i++) {
if (i) {
output += ",";
}
output += "\"" + ts.escapeString(list[i]) + "\"";
}
return output;
}
}
function writeJavaScriptAndSourceMapFile(emitOutput, writeByteOrderMark) {
encodeLastRecordedSourceMapSpan();
ts.writeFile(host, diagnostics, sourceMapData.sourceMapFilePath, serializeSourceMapContents(3, sourceMapData.sourceMapFile, sourceMapData.sourceMapSourceRoot, sourceMapData.sourceMapSources, sourceMapData.sourceMapNames, sourceMapData.sourceMapMappings), false);
sourceMapDataList.push(sourceMapData);
writeJavaScriptFile(emitOutput + "//# sourceMappingURL=" + sourceMapData.jsSourceMappingURL, writeByteOrderMark);
}
var sourceMapJsFile = ts.getBaseFileName(ts.normalizeSlashes(jsFilePath));
sourceMapData = {
sourceMapFilePath: jsFilePath + ".map",
jsSourceMappingURL: sourceMapJsFile + ".map",
sourceMapFile: sourceMapJsFile,
sourceMapSourceRoot: compilerOptions.sourceRoot || "",
sourceMapSources: [],
inputSourceFileNames: [],
sourceMapNames: [],
sourceMapMappings: "",
sourceMapDecodedMappings: []
};
sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot);
if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47) {
sourceMapData.sourceMapSourceRoot += ts.directorySeparator;
}
if (compilerOptions.mapRoot) {
sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot);
if (root) {
sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(root, host, sourceMapDir));
}
if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) {
sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir);
sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(jsFilePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), host.getCurrentDirectory(), host.getCanonicalFileName, true);
}
else {
sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL);
}
}
else {
sourceMapDir = ts.getDirectoryPath(ts.normalizePath(jsFilePath));
}
function emitNodeWithSourceMap(node, allowGeneratedIdentifiers) {
if (node) {
if (ts.nodeIsSynthesized(node)) {
return emitNodeWithoutSourceMap(node, false);
}
if (node.kind != 227) {
recordEmitNodeStartSpan(node);
emitNodeWithoutSourceMap(node, allowGeneratedIdentifiers);
recordEmitNodeEndSpan(node);
}
else {
recordNewSourceFileStart(node);
emitNodeWithoutSourceMap(node, false);
}
}
}
writeEmittedFiles = writeJavaScriptAndSourceMapFile;
emit = emitNodeWithSourceMap;
emitStart = recordEmitNodeStartSpan;
emitEnd = recordEmitNodeEndSpan;
emitToken = writeTextWithSpanRecord;
scopeEmitStart = recordScopeNameOfNode;
scopeEmitEnd = recordScopeNameEnd;
writeComment = writeCommentRangeWithMap;
}
function writeJavaScriptFile(emitOutput, writeByteOrderMark) {
ts.writeFile(host, diagnostics, jsFilePath, emitOutput, writeByteOrderMark);
}
function createTempVariable(flags) {
var result = ts.createSynthesizedNode(65);
result.text = makeTempVariableName(flags);
return result;
}
function recordTempDeclaration(name) {
if (!tempVariables) {
tempVariables = [];
}
tempVariables.push(name);
}
function createAndRecordTempVariable(flags) {
var temp = createTempVariable(flags);
recordTempDeclaration(temp);
return temp;
}
function emitTempDeclarations(newLine) {
if (tempVariables) {
if (newLine) {
writeLine();
}
else {
write(" ");
}
write("var ");
emitCommaList(tempVariables);
write(";");
}
}
function emitTokenText(tokenKind, startPos, emitFn) {
var tokenString = ts.tokenToString(tokenKind);
if (emitFn) {
emitFn();
}
else {
write(tokenString);
}
return startPos + tokenString.length;
}
function emitOptional(prefix, node) {
if (node) {
write(prefix);
emit(node);
}
}
function emitParenthesizedIf(node, parenthesized) {
if (parenthesized) {
write("(");
}
emit(node);
if (parenthesized) {
write(")");
}
}
function emitTrailingCommaIfPresent(nodeList) {
if (nodeList.hasTrailingComma) {
write(",");
}
}
function emitLinePreservingList(parent, nodes, allowTrailingComma, spacesBetweenBraces) {
ts.Debug.assert(nodes.length > 0);
increaseIndent();
if (nodeStartPositionsAreOnSameLine(parent, nodes[0])) {
if (spacesBetweenBraces) {
write(" ");
}
}
else {
writeLine();
}
for (var i = 0, n = nodes.length; i < n; i++) {
if (i) {
if (nodeEndIsOnSameLineAsNodeStart(nodes[i - 1], nodes[i])) {
write(", ");
}
else {
write(",");
writeLine();
}
}
emit(nodes[i]);
}
if (nodes.hasTrailingComma && allowTrailingComma) {
write(",");
}
decreaseIndent();
if (nodeEndPositionsAreOnSameLine(parent, ts.lastOrUndefined(nodes))) {
if (spacesBetweenBraces) {
write(" ");
}
}
else {
writeLine();
}
}
function emitList(nodes, start, count, multiLine, trailingComma) {
for (var i = 0; i < count; i++) {
if (multiLine) {
if (i) {
write(",");
}
writeLine();
}
else {
if (i) {
write(", ");
}
}
emit(nodes[start + i]);
}
if (trailingComma) {
write(",");
}
if (multiLine) {
writeLine();
}
}
function emitCommaList(nodes) {
if (nodes) {
emitList(nodes, 0, nodes.length, false, false);
}
}
function emitLines(nodes) {
emitLinesStartingAt(nodes, 0);
}
function emitLinesStartingAt(nodes, startIndex) {
for (var i = startIndex; i < nodes.length; i++) {
writeLine();
emit(nodes[i]);
}
}
function isBinaryOrOctalIntegerLiteral(node, text) {
if (node.kind === 7 && text.length > 1) {
switch (text.charCodeAt(1)) {
case 98:
case 66:
case 111:
case 79:
return true;
}
}
return false;
}
function emitLiteral(node) {
var text = getLiteralText(node);
if (compilerOptions.sourceMap && (node.kind === 8 || ts.isTemplateLiteralKind(node.kind))) {
writer.writeLiteral(text);
}
else if (languageVersion < 2 && isBinaryOrOctalIntegerLiteral(node, text)) {
write(node.text);
}
else {
write(text);
}
}
function getLiteralText(node) {
if (languageVersion < 2 && (ts.isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) {
return getQuotedEscapedLiteralText('"', node.text, '"');
}
if (node.parent) {
return ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node);
}
switch (node.kind) {
case 8:
return getQuotedEscapedLiteralText('"', node.text, '"');
case 10:
return getQuotedEscapedLiteralText('`', node.text, '`');
case 11:
return getQuotedEscapedLiteralText('`', node.text, '${');
case 12:
return getQuotedEscapedLiteralText('}', node.text, '${');
case 13:
return getQuotedEscapedLiteralText('}', node.text, '`');
case 7:
return node.text;
}
ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for.");
}
function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) {
return leftQuote + ts.escapeNonAsciiCharacters(ts.escapeString(text)) + rightQuote;
}
function emitDownlevelRawTemplateLiteral(node) {
var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node);
var isLast = node.kind === 10 || node.kind === 13;
text = text.substring(1, text.length - (isLast ? 1 : 2));
text = text.replace(/\r\n?/g, "\n");
text = ts.escapeString(text);
write('"' + text + '"');
}
function emitDownlevelTaggedTemplateArray(node, literalEmitter) {
write("[");
if (node.template.kind === 10) {
literalEmitter(node.template);
}
else {
literalEmitter(node.template.head);
ts.forEach(node.template.templateSpans, function (child) {
write(", ");
literalEmitter(child.literal);
});
}
write("]");
}
function emitDownlevelTaggedTemplate(node) {
var tempVariable = createAndRecordTempVariable(0);
write("(");
emit(tempVariable);
write(" = ");
emitDownlevelTaggedTemplateArray(node, emit);
write(", ");
emit(tempVariable);
write(".raw = ");
emitDownlevelTaggedTemplateArray(node, emitDownlevelRawTemplateLiteral);
write(", ");
emitParenthesizedIf(node.tag, needsParenthesisForPropertyAccessOrInvocation(node.tag));
write("(");
emit(tempVariable);
if (node.template.kind === 171) {
ts.forEach(node.template.templateSpans, function (templateSpan) {
write(", ");
var needsParens = templateSpan.expression.kind === 169 && templateSpan.expression.operatorToken.kind === 23;
emitParenthesizedIf(templateSpan.expression, needsParens);
});
}
write("))");
}
function emitTemplateExpression(node) {
if (languageVersion >= 2) {
ts.forEachChild(node, emit);
return;
}
var emitOuterParens = ts.isExpression(node.parent) && templateNeedsParens(node, node.parent);
if (emitOuterParens) {
write("(");
}
var headEmitted = false;
if (shouldEmitTemplateHead()) {
emitLiteral(node.head);
headEmitted = true;
}
for (var i = 0, n = node.templateSpans.length; i < n; i++) {
var templateSpan = node.templateSpans[i];
var needsParens = templateSpan.expression.kind !== 161 && comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1;
if (i > 0 || headEmitted) {
write(" + ");
}
emitParenthesizedIf(templateSpan.expression, needsParens);
if (templateSpan.literal.text.length !== 0) {
write(" + ");
emitLiteral(templateSpan.literal);
}
}
if (emitOuterParens) {
write(")");
}
function shouldEmitTemplateHead() {
// If this expression has an empty head literal and the first template span has a non-empty
// literal, then emitting the empty head literal is not necessary.
// `${ foo } and ${ bar }`
// can be emitted as
// foo + " and " + bar
// This is because it is only required that one of the first two operands in the emit
// output must be a string literal, so that the other operand and all following operands
// are forced into strings.
//
// If the first template span has an empty literal, then the head must still be emitted.
// `${ foo }${ bar }`
// must still be emitted as
// "" + foo + bar
ts.Debug.assert(node.templateSpans.length !== 0);
return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0;
}
function templateNeedsParens(template, parent) {
switch (parent.kind) {
case 157:
case 158:
return parent.expression === template;
case 159:
case 161:
return false;
default:
return comparePrecedenceToBinaryPlus(parent) !== -1;
}
}
function comparePrecedenceToBinaryPlus(expression) {
switch (expression.kind) {
case 169:
switch (expression.operatorToken.kind) {
case 35:
case 36:
case 37:
return 1;
case 33:
case 34:
return 0;
default:
return -1;
}
case 170:
return -1;
default:
return 1;
}
}
}
function emitTemplateSpan(span) {
emit(span.expression);
emit(span.literal);
}
function emitExpressionForPropertyName(node) {
ts.Debug.assert(node.kind !== 152);
if (node.kind === 8) {
emitLiteral(node);
}
else if (node.kind === 127) {
if (ts.nodeIsDecorated(node.parent)) {
if (!computedPropertyNamesToGeneratedNames) {
computedPropertyNamesToGeneratedNames = [];
}
var generatedName = computedPropertyNamesToGeneratedNames[node.id];
if (generatedName) {
write(generatedName);
return;
}
var generatedVariable = createTempVariable(0);
generatedName = generatedVariable.text;
recordTempDeclaration(generatedVariable);
computedPropertyNamesToGeneratedNames[node.id] = generatedName;
write(generatedName);
write(" = ");
}
emit(node.expression);
}
else {
write("\"");
if (node.kind === 7) {
write(node.text);
}
else {
writeTextOfNode(currentSourceFile, node);
}
write("\"");
}
}
function isNotExpressionIdentifier(node) {
var parent = node.parent;
switch (parent.kind) {
case 129:
case 198:
case 152:
case 132:
case 131:
case 224:
case 225:
case 226:
case 134:
case 133:
case 200:
case 136:
case 137:
case 162:
case 201:
case 202:
case 204:
case 205:
case 208:
case 210:
case 211:
return parent.name === node;
case 213:
case 217:
return parent.name === node || parent.propertyName === node;
case 190:
case 189:
case 214:
return false;
case 194:
return node.parent.label === node;
}
}
function emitExpressionIdentifier(node) {
var substitution = resolver.getExpressionNameSubstitution(node, getGeneratedNameForNode);
if (substitution) {
write(substitution);
}
else {
writeTextOfNode(currentSourceFile, node);
}
}
function getGeneratedNameForIdentifier(node) {
if (ts.nodeIsSynthesized(node) || !blockScopedVariableToGeneratedName) {
return undefined;
}
var variableId = resolver.getBlockScopedVariableId(node);
if (variableId === undefined) {
return undefined;
}
return blockScopedVariableToGeneratedName[variableId];
}
function emitIdentifier(node, allowGeneratedIdentifiers) {
if (allowGeneratedIdentifiers) {
var generatedName = getGeneratedNameForIdentifier(node);
if (generatedName) {
write(generatedName);
return;
}
}
if (!node.parent) {
write(node.text);
}
else if (!isNotExpressionIdentifier(node)) {
emitExpressionIdentifier(node);
}
else {
writeTextOfNode(currentSourceFile, node);
}
}
function emitThis(node) {
if (resolver.getNodeCheckFlags(node) & 2) {
write("_this");
}
else {
write("this");
}
}
function emitSuper(node) {
if (languageVersion >= 2) {
write("super");
}
else {
var flags = resolver.getNodeCheckFlags(node);
if (flags & 16) {
write("_super.prototype");
}
else {
write("_super");
}
}
}
function emitObjectBindingPattern(node) {
write("{ ");
var elements = node.elements;
emitList(elements, 0, elements.length, false, elements.hasTrailingComma);
write(" }");
}
function emitArrayBindingPattern(node) {
write("[");
var elements = node.elements;
emitList(elements, 0, elements.length, false, elements.hasTrailingComma);
write("]");
}
function emitBindingElement(node) {
if (node.propertyName) {
emit(node.propertyName, false);
write(": ");
}
if (node.dotDotDotToken) {
write("...");
}
if (ts.isBindingPattern(node.name)) {
emit(node.name);
}
else {
emitModuleMemberName(node);
}
emitOptional(" = ", node.initializer);
}
function emitSpreadElementExpression(node) {
write("...");
emit(node.expression);
}
function needsParenthesisForPropertyAccessOrInvocation(node) {
switch (node.kind) {
case 65:
case 153:
case 155:
case 156:
case 157:
case 161:
return false;
}
return true;
}
function emitListWithSpread(elements, multiLine, trailingComma) {
var pos = 0;
var group = 0;
var length = elements.length;
while (pos < length) {
if (group === 1) {
write(".concat(");
}
else if (group > 1) {
write(", ");
}
var e = elements[pos];
if (e.kind === 173) {
e = e.expression;
emitParenthesizedIf(e, group === 0 && needsParenthesisForPropertyAccessOrInvocation(e));
pos++;
}
else {
var i = pos;
while (i < length && elements[i].kind !== 173) {
i++;
}
write("[");
if (multiLine) {
increaseIndent();
}
emitList(elements, pos, i - pos, multiLine, trailingComma && i === length);
if (multiLine) {
decreaseIndent();
}
write("]");
pos = i;
}
group++;
}
if (group > 1) {
write(")");
}
}
function isSpreadElementExpression(node) {
return node.kind === 173;
}
function emitArrayLiteral(node) {
var elements = node.elements;
if (elements.length === 0) {
write("[]");
}
else if (languageVersion >= 2 || !ts.forEach(elements, isSpreadElementExpression)) {
write("[");
emitLinePreservingList(node, node.elements, elements.hasTrailingComma, false);
write("]");
}
else {
emitListWithSpread(elements, (node.flags & 512) !== 0, elements.hasTrailingComma);
}
}
function emitDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex) {
var parenthesizedObjectLiteral = createDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex);
return emit(parenthesizedObjectLiteral);
}
function createDownlevelObjectLiteralWithComputedProperties(originalObjectLiteral, firstComputedPropertyIndex) {
var tempVar = createAndRecordTempVariable(0);
var initialObjectLiteral = ts.createSynthesizedNode(154);
initialObjectLiteral.properties = originalObjectLiteral.properties.slice(0, firstComputedPropertyIndex);
initialObjectLiteral.flags |= 512;
var propertyPatches = createBinaryExpression(tempVar, 53, initialObjectLiteral);
ts.forEach(originalObjectLiteral.properties, function (property) {
var patchedProperty = tryCreatePatchingPropertyAssignment(originalObjectLiteral, tempVar, property);
if (patchedProperty) {
propertyPatches = createBinaryExpression(propertyPatches, 23, patchedProperty);
}
});
propertyPatches = createBinaryExpression(propertyPatches, 23, createIdentifier(tempVar.text, true));
var result = createParenthesizedExpression(propertyPatches);
return result;
}
function addCommentsToSynthesizedNode(node, leadingCommentRanges, trailingCommentRanges) {
node.leadingCommentRanges = leadingCommentRanges;
node.trailingCommentRanges = trailingCommentRanges;
}
function tryCreatePatchingPropertyAssignment(objectLiteral, tempVar, property) {
var leftHandSide = createMemberAccessForPropertyName(tempVar, property.name);
var maybeRightHandSide = tryGetRightHandSideOfPatchingPropertyAssignment(objectLiteral, property);
return maybeRightHandSide && createBinaryExpression(leftHandSide, 53, maybeRightHandSide, true);
}
function tryGetRightHandSideOfPatchingPropertyAssignment(objectLiteral, property) {
switch (property.kind) {
case 224:
return property.initializer;
case 225:
return createIdentifier(resolver.getExpressionNameSubstitution(property.name, getGeneratedNameForNode));
case 134:
return createFunctionExpression(property.parameters, property.body);
case 136:
case 137:
var _a = ts.getAllAccessorDeclarations(objectLiteral.properties, property), firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor;
if (firstAccessor !== property) {
return undefined;
}
var propertyDescriptor = ts.createSynthesizedNode(154);
var descriptorProperties = [];
if (getAccessor) {
var getProperty_1 = createPropertyAssignment(createIdentifier("get"), createFunctionExpression(getAccessor.parameters, getAccessor.body));
descriptorProperties.push(getProperty_1);
}
if (setAccessor) {
var setProperty = createPropertyAssignment(createIdentifier("set"), createFunctionExpression(setAccessor.parameters, setAccessor.body));
descriptorProperties.push(setProperty);
}
var trueExpr = ts.createSynthesizedNode(95);
var enumerableTrue = createPropertyAssignment(createIdentifier("enumerable"), trueExpr);
descriptorProperties.push(enumerableTrue);
var configurableTrue = createPropertyAssignment(createIdentifier("configurable"), trueExpr);
descriptorProperties.push(configurableTrue);
propertyDescriptor.properties = descriptorProperties;
var objectDotDefineProperty = createPropertyAccessExpression(createIdentifier("Object"), createIdentifier("defineProperty"));
return createCallExpression(objectDotDefineProperty, createNodeArray(propertyDescriptor));
default:
ts.Debug.fail("ObjectLiteralElement kind " + property.kind + " not accounted for.");
}
}
function createParenthesizedExpression(expression) {
var result = ts.createSynthesizedNode(161);
result.expression = expression;
return result;
}
function createNodeArray() {
var elements = [];
for (var _a = 0; _a < arguments.length; _a++) {
elements[_a - 0] = arguments[_a];
}
var result = elements;
result.pos = -1;
result.end = -1;
return result;
}
function createBinaryExpression(left, operator, right, startsOnNewLine) {
var result = ts.createSynthesizedNode(169, startsOnNewLine);
result.operatorToken = ts.createSynthesizedNode(operator);
result.left = left;
result.right = right;
return result;
}
function createExpressionStatement(expression) {
var result = ts.createSynthesizedNode(182);
result.expression = expression;
return result;
}
function createMemberAccessForPropertyName(expression, memberName) {
if (memberName.kind === 65) {
return createPropertyAccessExpression(expression, memberName);
}
else if (memberName.kind === 8 || memberName.kind === 7) {
return createElementAccessExpression(expression, memberName);
}
else if (memberName.kind === 127) {
return createElementAccessExpression(expression, memberName.expression);
}
else {
ts.Debug.fail("Kind '" + memberName.kind + "' not accounted for.");
}
}
function createPropertyAssignment(name, initializer) {
var result = ts.createSynthesizedNode(224);
result.name = name;
result.initializer = initializer;
return result;
}
function createFunctionExpression(parameters, body) {
var result = ts.createSynthesizedNode(162);
result.parameters = parameters;
result.body = body;
return result;
}
function createPropertyAccessExpression(expression, name) {
var result = ts.createSynthesizedNode(155);
result.expression = expression;
result.dotToken = ts.createSynthesizedNode(20);
result.name = name;
return result;
}
function createElementAccessExpression(expression, argumentExpression) {
var result = ts.createSynthesizedNode(156);
result.expression = expression;
result.argumentExpression = argumentExpression;
return result;
}
function createIdentifier(name, startsOnNewLine) {
var result = ts.createSynthesizedNode(65, startsOnNewLine);
result.text = name;
return result;
}
function createCallExpression(invokedExpression, arguments) {
var result = ts.createSynthesizedNode(157);
result.expression = invokedExpression;
result.arguments = arguments;
return result;
}
function emitObjectLiteral(node) {
var properties = node.properties;
if (languageVersion < 2) {
var numProperties = properties.length;
var numInitialNonComputedProperties = numProperties;
for (var i = 0, n = properties.length; i < n; i++) {
if (properties[i].name.kind === 127) {
numInitialNonComputedProperties = i;
break;
}
}
var hasComputedProperty = numInitialNonComputedProperties !== properties.length;
if (hasComputedProperty) {
emitDownlevelObjectLiteralWithComputedProperties(node, numInitialNonComputedProperties);
return;
}
}
write("{");
if (properties.length) {
emitLinePreservingList(node, properties, languageVersion >= 1, true);
}
write("}");
}
function emitComputedPropertyName(node) {
write("[");
emitExpressionForPropertyName(node);
write("]");
}
function emitMethod(node) {
emit(node.name, false);
if (languageVersion < 2) {
write(": function ");
}
emitSignatureAndBody(node);
}
function emitPropertyAssignment(node) {
emit(node.name, false);
write(": ");
emit(node.initializer);
}
function emitShorthandPropertyAssignment(node) {
emit(node.name, false);
if (languageVersion < 2) {
write(": ");
var generatedName = getGeneratedNameForIdentifier(node.name);
if (generatedName) {
write(generatedName);
}
else {
emitExpressionIdentifier(node.name);
}
}
else if (resolver.getExpressionNameSubstitution(node.name, getGeneratedNameForNode)) {
write(": ");
emitExpressionIdentifier(node.name);
}
}
function tryEmitConstantValue(node) {
if (compilerOptions.separateCompilation) {
return false;
}
var constantValue = resolver.getConstantValue(node);
if (constantValue !== undefined) {
write(constantValue.toString());
if (!compilerOptions.removeComments) {
var propertyName = node.kind === 155 ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression);
write(" /* " + propertyName + " */");
}
return true;
}
return false;
}
function indentIfOnDifferentLines(parent, node1, node2, valueToWriteWhenNotIndenting) {
var realNodesAreOnDifferentLines = !ts.nodeIsSynthesized(parent) && !nodeEndIsOnSameLineAsNodeStart(node1, node2);
var synthesizedNodeIsOnDifferentLine = synthesizedNodeStartsOnNewLine(node2);
if (realNodesAreOnDifferentLines || synthesizedNodeIsOnDifferentLine) {
increaseIndent();
writeLine();
return true;
}
else {
if (valueToWriteWhenNotIndenting) {
write(valueToWriteWhenNotIndenting);
}
return false;
}
}
function emitPropertyAccess(node) {
if (tryEmitConstantValue(node)) {
return;
}
emit(node.expression);
var indentedBeforeDot = indentIfOnDifferentLines(node, node.expression, node.dotToken);
write(".");
var indentedAfterDot = indentIfOnDifferentLines(node, node.dotToken, node.name);
emit(node.name, false);
decreaseIndentIf(indentedBeforeDot, indentedAfterDot);
}
function emitQualifiedName(node) {
emit(node.left);
write(".");
emit(node.right);
}
function emitIndexedAccess(node) {
if (tryEmitConstantValue(node)) {
return;
}
emit(node.expression);
write("[");
emit(node.argumentExpression);
write("]");
}
function hasSpreadElement(elements) {
return ts.forEach(elements, function (e) {
return e.kind === 173;
});
}
function skipParentheses(node) {
while (node.kind === 161 || node.kind === 160) {
node = node.expression;
}
return node;
}
function emitCallTarget(node) {
if (node.kind === 65 || node.kind === 93 || node.kind === 91) {
emit(node);
return node;
}
var temp = createAndRecordTempVariable(0);
write("(");
emit(temp);
write(" = ");
emit(node);
write(")");
return temp;
}
function emitCallWithSpread(node) {
var target;
var expr = skipParentheses(node.expression);
if (expr.kind === 155) {
target = emitCallTarget(expr.expression);
write(".");
emit(expr.name);
}
else if (expr.kind === 156) {
target = emitCallTarget(expr.expression);
write("[");
emit(expr.argumentExpression);
write("]");
}
else if (expr.kind === 91) {
target = expr;
write("_super");
}
else {
emit(node.expression);
}
write(".apply(");
if (target) {
if (target.kind === 91) {
emitThis(target);
}
else {
emit(target);
}
}
else {
write("void 0");
}
write(", ");
emitListWithSpread(node.arguments, false, false);
write(")");
}
function emitCallExpression(node) {
if (languageVersion < 2 && hasSpreadElement(node.arguments)) {
emitCallWithSpread(node);
return;
}
var superCall = false;
if (node.expression.kind === 91) {
emitSuper(node.expression);
superCall = true;
}
else {
emit(node.expression);
superCall = node.expression.kind === 155 && node.expression.expression.kind === 91;
}
if (superCall && languageVersion < 2) {
write(".call(");
emitThis(node.expression);
if (node.arguments.length) {
write(", ");
emitCommaList(node.arguments);
}
write(")");
}
else {
write("(");
emitCommaList(node.arguments);
write(")");
}
}
function emitNewExpression(node) {
write("new ");
emit(node.expression);
if (node.arguments) {
write("(");
emitCommaList(node.arguments);
write(")");
}
}
function emitTaggedTemplateExpression(node) {
if (languageVersion >= 2) {
emit(node.tag);
write(" ");
emit(node.template);
}
else {
emitDownlevelTaggedTemplate(node);
}
}
function emitParenExpression(node) {
if (!node.parent || node.parent.kind !== 163) {
if (node.expression.kind === 160) {
var operand = node.expression.expression;
while (operand.kind == 160) {
operand = operand.expression;
}
if (operand.kind !== 167 && operand.kind !== 166 && operand.kind !== 165 && operand.kind !== 164 && operand.kind !== 168 && operand.kind !== 158 && !(operand.kind === 157 && node.parent.kind === 158) && !(operand.kind === 162 && node.parent.kind === 157)) {
emit(operand);
return;
}
}
}
write("(");
emit(node.expression);
write(")");
}
function emitDeleteExpression(node) {
write(ts.tokenToString(74));
write(" ");
emit(node.expression);
}
function emitVoidExpression(node) {
write(ts.tokenToString(99));
write(" ");
emit(node.expression);
}
function emitTypeOfExpression(node) {
write(ts.tokenToString(97));
write(" ");
emit(node.expression);
}
function emitPrefixUnaryExpression(node) {
write(ts.tokenToString(node.operator));
if (node.operand.kind === 167) {
var operand = node.operand;
if (node.operator === 33 && (operand.operator === 33 || operand.operator === 38)) {
write(" ");
}
else if (node.operator === 34 && (operand.operator === 34 || operand.operator === 39)) {
write(" ");
}
}
emit(node.operand);
}
function emitPostfixUnaryExpression(node) {
emit(node.operand);
write(ts.tokenToString(node.operator));
}
function emitBinaryExpression(node) {
if (languageVersion < 2 && node.operatorToken.kind === 53 && (node.left.kind === 154 || node.left.kind === 153)) {
emitDestructuring(node, node.parent.kind === 182);
}
else {
emit(node.left);
var indentedBeforeOperator = indentIfOnDifferentLines(node, node.left, node.operatorToken, node.operatorToken.kind !== 23 ? " " : undefined);
write(ts.tokenToString(node.operatorToken.kind));
var indentedAfterOperator = indentIfOnDifferentLines(node, node.operatorToken, node.right, " ");
emit(node.right);
decreaseIndentIf(indentedBeforeOperator, indentedAfterOperator);
}
}
function synthesizedNodeStartsOnNewLine(node) {
return ts.nodeIsSynthesized(node) && node.startsOnNewLine;
}
function emitConditionalExpression(node) {
emit(node.condition);
var indentedBeforeQuestion = indentIfOnDifferentLines(node, node.condition, node.questionToken, " ");
write("?");
var indentedAfterQuestion = indentIfOnDifferentLines(node, node.questionToken, node.whenTrue, " ");
emit(node.whenTrue);
decreaseIndentIf(indentedBeforeQuestion, indentedAfterQuestion);
var indentedBeforeColon = indentIfOnDifferentLines(node, node.whenTrue, node.colonToken, " ");
write(":");
var indentedAfterColon = indentIfOnDifferentLines(node, node.colonToken, node.whenFalse, " ");
emit(node.whenFalse);
decreaseIndentIf(indentedBeforeColon, indentedAfterColon);
}
function decreaseIndentIf(value1, value2) {
if (value1) {
decreaseIndent();
}
if (value2) {
decreaseIndent();
}
}
function isSingleLineEmptyBlock(node) {
if (node && node.kind === 179) {
var block = node;
return block.statements.length === 0 && nodeEndIsOnSameLineAsNodeStart(block, block);
}
}
function emitBlock(node) {
if (isSingleLineEmptyBlock(node)) {
emitToken(14, node.pos);
write(" ");
emitToken(15, node.statements.end);
return;
}
emitToken(14, node.pos);
increaseIndent();
scopeEmitStart(node.parent);
if (node.kind === 206) {
ts.Debug.assert(node.parent.kind === 205);
emitCaptureThisForNodeIfNecessary(node.parent);
}
emitLines(node.statements);
if (node.kind === 206) {
emitTempDeclarations(true);
}
decreaseIndent();
writeLine();
emitToken(15, node.statements.end);
scopeEmitEnd();
}
function emitEmbeddedStatement(node) {
if (node.kind === 179) {
write(" ");
emit(node);
}
else {
increaseIndent();
writeLine();
emit(node);
decreaseIndent();
}
}
function emitExpressionStatement(node) {
emitParenthesizedIf(node.expression, node.expression.kind === 163);
write(";");
}
function emitIfStatement(node) {
var endPos = emitToken(84, node.pos);
write(" ");
endPos = emitToken(16, endPos);
emit(node.expression);
emitToken(17, node.expression.end);
emitEmbeddedStatement(node.thenStatement);
if (node.elseStatement) {
writeLine();
emitToken(76, node.thenStatement.end);
if (node.elseStatement.kind === 183) {
write(" ");
emit(node.elseStatement);
}
else {
emitEmbeddedStatement(node.elseStatement);
}
}
}
function emitDoStatement(node) {
write("do");
emitEmbeddedStatement(node.statement);
if (node.statement.kind === 179) {
write(" ");
}
else {
writeLine();
}
write("while (");
emit(node.expression);
write(");");
}
function emitWhileStatement(node) {
write("while (");
emit(node.expression);
write(")");
emitEmbeddedStatement(node.statement);
}
function emitStartOfVariableDeclarationList(decl, startPos) {
var tokenKind = 98;
if (decl && languageVersion >= 2) {
if (ts.isLet(decl)) {
tokenKind = 105;
}
else if (ts.isConst(decl)) {
tokenKind = 70;
}
}
if (startPos !== undefined) {
emitToken(tokenKind, startPos);
}
else {
switch (tokenKind) {
case 98:
return write("var ");
case 105:
return write("let ");
case 70:
return write("const ");
}
}
}
function emitForStatement(node) {
var endPos = emitToken(82, node.pos);
write(" ");
endPos = emitToken(16, endPos);
if (node.initializer && node.initializer.kind === 199) {
var variableDeclarationList = node.initializer;
var declarations = variableDeclarationList.declarations;
emitStartOfVariableDeclarationList(declarations[0], endPos);
write(" ");
emitCommaList(declarations);
}
else if (node.initializer) {
emit(node.initializer);
}
write(";");
emitOptional(" ", node.condition);
write(";");
emitOptional(" ", node.iterator);
write(")");
emitEmbeddedStatement(node.statement);
}
function emitForInOrForOfStatement(node) {
if (languageVersion < 2 && node.kind === 188) {
return emitDownLevelForOfStatement(node);
}
var endPos = emitToken(82, node.pos);
write(" ");
endPos = emitToken(16, endPos);
if (node.initializer.kind === 199) {
var variableDeclarationList = node.initializer;
if (variableDeclarationList.declarations.length >= 1) {
var decl = variableDeclarationList.declarations[0];
emitStartOfVariableDeclarationList(decl, endPos);
write(" ");
emit(decl);
}
}
else {
emit(node.initializer);
}
if (node.kind === 187) {
write(" in ");
}
else {
write(" of ");
}
emit(node.expression);
emitToken(17, node.expression.end);
emitEmbeddedStatement(node.statement);
}
function emitDownLevelForOfStatement(node) {
// The following ES6 code:
//
// for (let v of expr) { }
//
// should be emitted as
//
// for (let _i = 0, _a = expr; _i < _a.length; _i++) {
// let v = _a[_i];
// }
//
// where _a and _i are temps emitted to capture the RHS and the counter,
// respectively.
// When the left hand side is an expression instead of a let declaration,
// the "let v" is not emitted.
// When the left hand side is a let/const, the v is renamed if there is
// another v in scope.
// Note that all assignments to the LHS are emitted in the body, including
// all destructuring.
// Note also that because an extra statement is needed to assign to the LHS,
// for-of bodies are always emitted as blocks.
var endPos = emitToken(82, node.pos);
write(" ");
endPos = emitToken(16, endPos);
var rhsIsIdentifier = node.expression.kind === 65;
var counter = createTempVariable(268435456);
var rhsReference = rhsIsIdentifier ? node.expression : createTempVariable(0);
emitStart(node.expression);
write("var ");
emitNodeWithoutSourceMap(counter);
write(" = 0");
emitEnd(node.expression);
if (!rhsIsIdentifier) {
write(", ");
emitStart(node.expression);
emitNodeWithoutSourceMap(rhsReference);
write(" = ");
emitNodeWithoutSourceMap(node.expression);
emitEnd(node.expression);
}
write("; ");
emitStart(node.initializer);
emitNodeWithoutSourceMap(counter);
write(" < ");
emitNodeWithoutSourceMap(rhsReference);
write(".length");
emitEnd(node.initializer);
write("; ");
emitStart(node.initializer);
emitNodeWithoutSourceMap(counter);
write("++");
emitEnd(node.initializer);
emitToken(17, node.expression.end);
write(" {");
writeLine();
increaseIndent();
var rhsIterationValue = createElementAccessExpression(rhsReference, counter);
emitStart(node.initializer);
if (node.initializer.kind === 199) {
write("var ");
var variableDeclarationList = node.initializer;
if (variableDeclarationList.declarations.length > 0) {
var declaration = variableDeclarationList.declarations[0];
if (ts.isBindingPattern(declaration.name)) {
emitDestructuring(declaration, false, rhsIterationValue);
}
else {
emitNodeWithoutSourceMap(declaration);
write(" = ");
emitNodeWithoutSourceMap(rhsIterationValue);
}
}
else {
emitNodeWithoutSourceMap(createTempVariable(0));
write(" = ");
emitNodeWithoutSourceMap(rhsIterationValue);
}
}
else {
var assignmentExpression = createBinaryExpression(node.initializer, 53, rhsIterationValue, false);
if (node.initializer.kind === 153 || node.initializer.kind === 154) {
emitDestructuring(assignmentExpression, true, undefined, node);
}
else {
emitNodeWithoutSourceMap(assignmentExpression);
}
}
emitEnd(node.initializer);
write(";");
if (node.statement.kind === 179) {
emitLines(node.statement.statements);
}
else {
writeLine();
emit(node.statement);
}
writeLine();
decreaseIndent();
write("}");
}
function emitBreakOrContinueStatement(node) {
emitToken(node.kind === 190 ? 66 : 71, node.pos);
emitOptional(" ", node.label);
write(";");
}
function emitReturnStatement(node) {
emitToken(90, node.pos);
emitOptional(" ", node.expression);
write(";");
}
function emitWithStatement(node) {
write("with (");
emit(node.expression);
write(")");
emitEmbeddedStatement(node.statement);
}
function emitSwitchStatement(node) {
var endPos = emitToken(92, node.pos);
write(" ");
emitToken(16, endPos);
emit(node.expression);
endPos = emitToken(17, node.expression.end);
write(" ");
emitCaseBlock(node.caseBlock, endPos);
}
function emitCaseBlock(node, startPos) {
emitToken(14, startPos);
increaseIndent();
emitLines(node.clauses);
decreaseIndent();
writeLine();
emitToken(15, node.clauses.end);
}
function nodeStartPositionsAreOnSameLine(node1, node2) {
return ts.getLineOfLocalPosition(currentSourceFile, ts.skipTrivia(currentSourceFile.text, node1.pos)) === ts.getLineOfLocalPosition(currentSourceFile, ts.skipTrivia(currentSourceFile.text, node2.pos));
}
function nodeEndPositionsAreOnSameLine(node1, node2) {
return ts.getLineOfLocalPosition(currentSourceFile, node1.end) === ts.getLineOfLocalPosition(currentSourceFile, node2.end);
}
function nodeEndIsOnSameLineAsNodeStart(node1, node2) {
return ts.getLineOfLocalPosition(currentSourceFile, node1.end) === ts.getLineOfLocalPosition(currentSourceFile, ts.skipTrivia(currentSourceFile.text, node2.pos));
}
function emitCaseOrDefaultClause(node) {
if (node.kind === 220) {
write("case ");
emit(node.expression);
write(":");
}
else {
write("default:");
}
if (node.statements.length === 1 && nodeStartPositionsAreOnSameLine(node, node.statements[0])) {
write(" ");
emit(node.statements[0]);
}
else {
increaseIndent();
emitLines(node.statements);
decreaseIndent();
}
}
function emitThrowStatement(node) {
write("throw ");
emit(node.expression);
write(";");
}
function emitTryStatement(node) {
write("try ");
emit(node.tryBlock);
emit(node.catchClause);
if (node.finallyBlock) {
writeLine();
write("finally ");
emit(node.finallyBlock);
}
}
function emitCatchClause(node) {
writeLine();
var endPos = emitToken(68, node.pos);
write(" ");
emitToken(16, endPos);
emit(node.variableDeclaration);
emitToken(17, node.variableDeclaration ? node.variableDeclaration.end : endPos);
write(" ");
emitBlock(node.block);
}
function emitDebuggerStatement(node) {
emitToken(72, node.pos);
write(";");
}
function emitLabelledStatement(node) {
emit(node.label);
write(": ");
emit(node.statement);
}
function getContainingModule(node) {
do {
node = node.parent;
} while (node && node.kind !== 205);
return node;
}
function emitContainingModuleName(node) {
var container = getContainingModule(node);
write(container ? getGeneratedNameForNode(container) : "exports");
}
function emitModuleMemberName(node) {
emitStart(node.name);
if (ts.getCombinedNodeFlags(node) & 1) {
var container = getContainingModule(node);
if (container) {
write(getGeneratedNameForNode(container));
write(".");
}
else if (languageVersion < 2) {
write("exports.");
}
}
emitNodeWithoutSourceMap(node.name);
emitEnd(node.name);
}
function createVoidZero() {
var zero = ts.createSynthesizedNode(7);
zero.text = "0";
var result = ts.createSynthesizedNode(166);
result.expression = zero;
return result;
}
function emitExportMemberAssignment(node) {
if (node.flags & 1) {
writeLine();
emitStart(node);
if (node.flags & 256) {
write("exports.default");
}
else {
emitModuleMemberName(node);
}
write(" = ");
emitDeclarationName(node);
emitEnd(node);
write(";");
}
}
function emitExportMemberAssignments(name) {
if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) {
for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) {
var specifier = _b[_a];
writeLine();
emitStart(specifier.name);
emitContainingModuleName(specifier);
write(".");
emitNodeWithoutSourceMap(specifier.name);
emitEnd(specifier.name);
write(" = ");
emitExpressionIdentifier(name);
write(";");
}
}
}
function emitDestructuring(root, isAssignmentExpressionStatement, value, lowestNonSynthesizedAncestor) {
var emitCount = 0;
var isDeclaration = (root.kind === 198 && !(ts.getCombinedNodeFlags(root) & 1)) || root.kind === 129;
if (root.kind === 169) {
emitAssignmentExpression(root);
}
else {
ts.Debug.assert(!isAssignmentExpressionStatement);
emitBindingElement(root, value);
}
function emitAssignment(name, value) {
if (emitCount++) {
write(", ");
}
renameNonTopLevelLetAndConst(name);
if (name.parent && (name.parent.kind === 198 || name.parent.kind === 152)) {
emitModuleMemberName(name.parent);
}
else {
emit(name);
}
write(" = ");
emit(value);
}
function ensureIdentifier(expr) {
if (expr.kind !== 65) {
var identifier = createTempVariable(0);
if (!isDeclaration) {
recordTempDeclaration(identifier);
}
emitAssignment(identifier, expr);
expr = identifier;
}
return expr;
}
function createDefaultValueCheck(value, defaultValue) {
value = ensureIdentifier(value);
var equals = ts.createSynthesizedNode(169);
equals.left = value;
equals.operatorToken = ts.createSynthesizedNode(30);
equals.right = createVoidZero();
return createConditionalExpression(equals, defaultValue, value);
}
function createConditionalExpression(condition, whenTrue, whenFalse) {
var cond = ts.createSynthesizedNode(170);
cond.condition = condition;
cond.questionToken = ts.createSynthesizedNode(50);
cond.whenTrue = whenTrue;
cond.colonToken = ts.createSynthesizedNode(51);
cond.whenFalse = whenFalse;
return cond;
}
function createNumericLiteral(value) {
var node = ts.createSynthesizedNode(7);
node.text = "" + value;
return node;
}
function parenthesizeForAccess(expr) {
if (expr.kind === 65 || expr.kind === 155 || expr.kind === 156) {
return expr;
}
var node = ts.createSynthesizedNode(161);
node.expression = expr;
return node;
}
function createPropertyAccess(object, propName) {
if (propName.kind !== 65) {
return createElementAccess(object, propName);
}
return createPropertyAccessExpression(parenthesizeForAccess(object), propName);
}
function createElementAccess(object, index) {
var node = ts.createSynthesizedNode(156);
node.expression = parenthesizeForAccess(object);
node.argumentExpression = index;
return node;
}
function emitObjectLiteralAssignment(target, value) {
var properties = target.properties;
if (properties.length !== 1) {
value = ensureIdentifier(value);
}
for (var _a = 0; _a < properties.length; _a++) {
var p = properties[_a];
if (p.kind === 224 || p.kind === 225) {
var propName = (p.name);
emitDestructuringAssignment(p.initializer || propName, createPropertyAccess(value, propName));
}
}
}
function emitArrayLiteralAssignment(target, value) {
var elements = target.elements;
if (elements.length !== 1) {
value = ensureIdentifier(value);
}
for (var i = 0; i < elements.length; i++) {
var e = elements[i];
if (e.kind !== 175) {
if (e.kind !== 173) {
emitDestructuringAssignment(e, createElementAccess(value, createNumericLiteral(i)));
}
else {
if (i === elements.length - 1) {
value = ensureIdentifier(value);
emitAssignment(e.expression, value);
write(".slice(" + i + ")");
}
}
}
}
}
function emitDestructuringAssignment(target, value) {
if (target.kind === 169 && target.operatorToken.kind === 53) {
value = createDefaultValueCheck(value, target.right);
target = target.left;
}
if (target.kind === 154) {
emitObjectLiteralAssignment(target, value);
}
else if (target.kind === 153) {
emitArrayLiteralAssignment(target, value);
}
else {
emitAssignment(target, value);
}
}
function emitAssignmentExpression(root) {
var target = root.left;
var value = root.right;
if (isAssignmentExpressionStatement) {
emitDestructuringAssignment(target, value);
}
else {
if (root.parent.kind !== 161) {
write("(");
}
value = ensureIdentifier(value);
emitDestructuringAssignment(target, value);
write(", ");
emit(value);
if (root.parent.kind !== 161) {
write(")");
}
}
}
function emitBindingElement(target, value) {
if (target.initializer) {
value = value ? createDefaultValueCheck(value, target.initializer) : target.initializer;
}
else if (!value) {
value = createVoidZero();
}
if (ts.isBindingPattern(target.name)) {
var pattern = target.name;
var elements = pattern.elements;
if (elements.length !== 1) {
value = ensureIdentifier(value);
}
for (var i = 0; i < elements.length; i++) {
var element = elements[i];
if (pattern.kind === 150) {
var propName = element.propertyName || element.name;
emitBindingElement(element, createPropertyAccess(value, propName));
}
else if (element.kind !== 175) {
if (!element.dotDotDotToken) {
emitBindingElement(element, createElementAccess(value, createNumericLiteral(i)));
}
else {
if (i === elements.length - 1) {
value = ensureIdentifier(value);
emitAssignment(element.name, value);
write(".slice(" + i + ")");
}
}
}
}
}
else {
emitAssignment(target.name, value);
}
}
}
function emitVariableDeclaration(node) {
if (ts.isBindingPattern(node.name)) {
if (languageVersion < 2) {
emitDestructuring(node, false);
}
else {
emit(node.name);
emitOptional(" = ", node.initializer);
}
}
else {
renameNonTopLevelLetAndConst(node.name);
emitModuleMemberName(node);
var initializer = node.initializer;
if (!initializer && languageVersion < 2) {
var isUninitializedLet = (resolver.getNodeCheckFlags(node) & 256) && (getCombinedFlagsForIdentifier(node.name) & 4096);
if (isUninitializedLet && node.parent.parent.kind !== 187 && node.parent.parent.kind !== 188) {
initializer = createVoidZero();
}
}
emitOptional(" = ", initializer);
}
}
function emitExportVariableAssignments(node) {
if (node.kind === 175) {
return;
}
var name = node.name;
if (name.kind === 65) {
emitExportMemberAssignments(name);
}
else if (ts.isBindingPattern(name)) {
ts.forEach(name.elements, emitExportVariableAssignments);
}
}
function getCombinedFlagsForIdentifier(node) {
if (!node.parent || (node.parent.kind !== 198 && node.parent.kind !== 152)) {
return 0;
}
return ts.getCombinedNodeFlags(node.parent);
}
function renameNonTopLevelLetAndConst(node) {
if (languageVersion >= 2 || ts.nodeIsSynthesized(node) || node.kind !== 65 || (node.parent.kind !== 198 && node.parent.kind !== 152)) {
return;
}
var combinedFlags = getCombinedFlagsForIdentifier(node);
if (((combinedFlags & 12288) === 0) || combinedFlags & 1) {
return;
}
var list = ts.getAncestor(node, 199);
if (list.parent.kind === 180) {
var isSourceFileLevelBinding = list.parent.parent.kind === 227;
var isModuleLevelBinding = list.parent.parent.kind === 206;
var isFunctionLevelBinding = list.parent.parent.kind === 179 && ts.isFunctionLike(list.parent.parent.parent);
if (isSourceFileLevelBinding || isModuleLevelBinding || isFunctionLevelBinding) {
return;
}
}
var blockScopeContainer = ts.getEnclosingBlockScopeContainer(node);
var parent = blockScopeContainer.kind === 227 ? blockScopeContainer : blockScopeContainer.parent;
if (resolver.resolvesToSomeValue(parent, node.text)) {
var variableId = resolver.getBlockScopedVariableId(node);
if (!blockScopedVariableToGeneratedName) {
blockScopedVariableToGeneratedName = [];
}
var generatedName = makeUniqueName(node.text);
blockScopedVariableToGeneratedName[variableId] = generatedName;
}
}
function isES6ExportedDeclaration(node) {
return !!(node.flags & 1) && languageVersion >= 2 && node.parent.kind === 227;
}
function emitVariableStatement(node) {
if (!(node.flags & 1)) {
emitStartOfVariableDeclarationList(node.declarationList);
}
else if (isES6ExportedDeclaration(node)) {
write("export ");
emitStartOfVariableDeclarationList(node.declarationList);
}
emitCommaList(node.declarationList.declarations);
write(";");
if (languageVersion < 2 && node.parent === currentSourceFile) {
ts.forEach(node.declarationList.declarations, emitExportVariableAssignments);
}
}
function emitParameter(node) {
if (languageVersion < 2) {
if (ts.isBindingPattern(node.name)) {
var name_16 = createTempVariable(0);
if (!tempParameters) {
tempParameters = [];
}
tempParameters.push(name_16);
emit(name_16);
}
else {
emit(node.name);
}
}
else {
if (node.dotDotDotToken) {
write("...");
}
emit(node.name);
emitOptional(" = ", node.initializer);
}
}
function emitDefaultValueAssignments(node) {
if (languageVersion < 2) {
var tempIndex = 0;
ts.forEach(node.parameters, function (p) {
if (ts.isBindingPattern(p.name)) {
writeLine();
write("var ");
emitDestructuring(p, false, tempParameters[tempIndex]);
write(";");
tempIndex++;
}
else if (p.initializer) {
writeLine();
emitStart(p);
write("if (");
emitNodeWithoutSourceMap(p.name);
write(" === void 0)");
emitEnd(p);
write(" { ");
emitStart(p);
emitNodeWithoutSourceMap(p.name);
write(" = ");
emitNodeWithoutSourceMap(p.initializer);
emitEnd(p);
write("; }");
}
});
}
}
function emitRestParameter(node) {
if (languageVersion < 2 && ts.hasRestParameters(node)) {
var restIndex = node.parameters.length - 1;
var restParam = node.parameters[restIndex];
var tempName = createTempVariable(268435456).text;
writeLine();
emitLeadingComments(restParam);
emitStart(restParam);
write("var ");
emitNodeWithoutSourceMap(restParam.name);
write(" = [];");
emitEnd(restParam);
emitTrailingComments(restParam);
writeLine();
write("for (");
emitStart(restParam);
write("var " + tempName + " = " + restIndex + ";");
emitEnd(restParam);
write(" ");
emitStart(restParam);
write(tempName + " < arguments.length;");
emitEnd(restParam);
write(" ");
emitStart(restParam);
write(tempName + "++");
emitEnd(restParam);
write(") {");
increaseIndent();
writeLine();
emitStart(restParam);
emitNodeWithoutSourceMap(restParam.name);
write("[" + tempName + " - " + restIndex + "] = arguments[" + tempName + "];");
emitEnd(restParam);
decreaseIndent();
writeLine();
write("}");
}
}
function emitAccessor(node) {
write(node.kind === 136 ? "get " : "set ");
emit(node.name, false);
emitSignatureAndBody(node);
}
function shouldEmitAsArrowFunction(node) {
return node.kind === 163 && languageVersion >= 2;
}
function emitDeclarationName(node) {
if (node.name) {
emitNodeWithoutSourceMap(node.name);
}
else {
write(getGeneratedNameForNode(node));
}
}
function shouldEmitFunctionName(node) {
if (node.kind === 162) {
return !!node.name;
}
if (node.kind === 200) {
return !!node.name || languageVersion < 2;
}
}
function emitFunctionDeclaration(node) {
if (ts.nodeIsMissing(node.body)) {
return emitOnlyPinnedOrTripleSlashComments(node);
}
if (node.kind !== 134 && node.kind !== 133) {
emitLeadingComments(node);
}
if (!shouldEmitAsArrowFunction(node)) {
if (isES6ExportedDeclaration(node)) {
write("export ");
if (node.flags & 256) {
write("default ");
}
}
write("function ");
}
if (shouldEmitFunctionName(node)) {
emitDeclarationName(node);
}
emitSignatureAndBody(node);
if (languageVersion < 2 && node.kind === 200 && node.parent === currentSourceFile && node.name) {
emitExportMemberAssignments(node.name);
}
if (node.kind !== 134 && node.kind !== 133) {
emitTrailingComments(node);
}
}
function emitCaptureThisForNodeIfNecessary(node) {
if (resolver.getNodeCheckFlags(node) & 4) {
writeLine();
emitStart(node);
write("var _this = this;");
emitEnd(node);
}
}
function emitSignatureParameters(node) {
increaseIndent();
write("(");
if (node) {
var parameters = node.parameters;
var omitCount = languageVersion < 2 && ts.hasRestParameters(node) ? 1 : 0;
emitList(parameters, 0, parameters.length - omitCount, false, false);
}
write(")");
decreaseIndent();
}
function emitSignatureParametersForArrow(node) {
if (node.parameters.length === 1 && node.pos === node.parameters[0].pos) {
emit(node.parameters[0]);
return;
}
emitSignatureParameters(node);
}
function emitSignatureAndBody(node) {
var saveTempFlags = tempFlags;
var saveTempVariables = tempVariables;
var saveTempParameters = tempParameters;
tempFlags = 0;
tempVariables = undefined;
tempParameters = undefined;
if (shouldEmitAsArrowFunction(node)) {
emitSignatureParametersForArrow(node);
write(" =>");
}
else {
emitSignatureParameters(node);
}
if (!node.body) {
write(" { }");
}
else if (node.body.kind === 179) {
emitBlockFunctionBody(node, node.body);
}
else {
emitExpressionFunctionBody(node, node.body);
}
if (!isES6ExportedDeclaration(node)) {
emitExportMemberAssignment(node);
}
tempFlags = saveTempFlags;
tempVariables = saveTempVariables;
tempParameters = saveTempParameters;
}
function emitFunctionBodyPreamble(node) {
emitCaptureThisForNodeIfNecessary(node);
emitDefaultValueAssignments(node);
emitRestParameter(node);
}
function emitExpressionFunctionBody(node, body) {
if (languageVersion < 2) {
emitDownLevelExpressionFunctionBody(node, body);
return;
}
write(" ");
var current = body;
while (current.kind === 160) {
current = current.expression;
}
emitParenthesizedIf(body, current.kind === 154);
}
function emitDownLevelExpressionFunctionBody(node, body) {
write(" {");
scopeEmitStart(node);
increaseIndent();
var outPos = writer.getTextPos();
emitDetachedComments(node.body);
emitFunctionBodyPreamble(node);
var preambleEmitted = writer.getTextPos() !== outPos;
decreaseIndent();
if (!preambleEmitted && nodeStartPositionsAreOnSameLine(node, body)) {
write(" ");
emitStart(body);
write("return ");
emit(body);
emitEnd(body);
write(";");
emitTempDeclarations(false);
write(" ");
}
else {
increaseIndent();
writeLine();
emitLeadingComments(node.body);
write("return ");
emit(body);
write(";");
emitTrailingComments(node.body);
emitTempDeclarations(true);
decreaseIndent();
writeLine();
}
emitStart(node.body);
write("}");
emitEnd(node.body);
scopeEmitEnd();
}
function emitBlockFunctionBody(node, body) {
write(" {");
scopeEmitStart(node);
var initialTextPos = writer.getTextPos();
increaseIndent();
emitDetachedComments(body.statements);
var startIndex = emitDirectivePrologues(body.statements, true);
emitFunctionBodyPreamble(node);
decreaseIndent();
var preambleEmitted = writer.getTextPos() !== initialTextPos;
if (!preambleEmitted && nodeEndIsOnSameLineAsNodeStart(body, body)) {
for (var _a = 0, _b = body.statements; _a < _b.length; _a++) {
var statement = _b[_a];
write(" ");
emit(statement);
}
emitTempDeclarations(false);
write(" ");
emitLeadingCommentsOfPosition(body.statements.end);
}
else {
increaseIndent();
emitLinesStartingAt(body.statements, startIndex);
emitTempDeclarations(true);
writeLine();
emitLeadingCommentsOfPosition(body.statements.end);
decreaseIndent();
}
emitToken(15, body.statements.end);
scopeEmitEnd();
}
function findInitialSuperCall(ctor) {
if (ctor.body) {
var statement = ctor.body.statements[0];
if (statement && statement.kind === 182) {
var expr = statement.expression;
if (expr && expr.kind === 157) {
var func = expr.expression;
if (func && func.kind === 91) {
return statement;
}
}
}
}
}
function emitParameterPropertyAssignments(node) {
ts.forEach(node.parameters, function (param) {
if (param.flags & 112) {
writeLine();
emitStart(param);
emitStart(param.name);
write("this.");
emitNodeWithoutSourceMap(param.name);
emitEnd(param.name);
write(" = ");
emit(param.name);
write(";");
emitEnd(param);
}
});
}
function emitMemberAccessForPropertyName(memberName) {
if (memberName.kind === 8 || memberName.kind === 7) {
write("[");
emitNodeWithoutSourceMap(memberName);
write("]");
}
else if (memberName.kind === 127) {
emitComputedPropertyName(memberName);
}
else {
write(".");
emitNodeWithoutSourceMap(memberName);
}
}
function emitMemberAssignments(node, staticFlag) {
ts.forEach(node.members, function (member) {
if (member.kind === 132 && (member.flags & 128) === staticFlag && member.initializer) {
writeLine();
emitLeadingComments(member);
emitStart(member);
emitStart(member.name);
if (staticFlag) {
emitDeclarationName(node);
}
else {
write("this");
}
emitMemberAccessForPropertyName(member.name);
emitEnd(member.name);
write(" = ");
emit(member.initializer);
write(";");
emitEnd(member);
emitTrailingComments(member);
}
});
}
function emitMemberFunctionsForES5AndLower(node) {
ts.forEach(node.members, function (member) {
if (member.kind === 178) {
writeLine();
write(";");
}
else if (member.kind === 134 || node.kind === 133) {
if (!member.body) {
return emitOnlyPinnedOrTripleSlashComments(member);
}
writeLine();
emitLeadingComments(member);
emitStart(member);
emitStart(member.name);
emitClassMemberPrefix(node, member);
emitMemberAccessForPropertyName(member.name);
emitEnd(member.name);
write(" = ");
emitStart(member);
emitFunctionDeclaration(member);
emitEnd(member);
emitEnd(member);
write(";");
emitTrailingComments(member);
}
else if (member.kind === 136 || member.kind === 137) {
var accessors = ts.getAllAccessorDeclarations(node.members, member);
if (member === accessors.firstAccessor) {
writeLine();
emitStart(member);
write("Object.defineProperty(");
emitStart(member.name);
emitClassMemberPrefix(node, member);
write(", ");
emitExpressionForPropertyName(member.name);
emitEnd(member.name);
write(", {");
increaseIndent();
if (accessors.getAccessor) {
writeLine();
emitLeadingComments(accessors.getAccessor);
write("get: ");
emitStart(accessors.getAccessor);
write("function ");
emitSignatureAndBody(accessors.getAccessor);
emitEnd(accessors.getAccessor);
emitTrailingComments(accessors.getAccessor);
write(",");
}
if (accessors.setAccessor) {
writeLine();
emitLeadingComments(accessors.setAccessor);
write("set: ");
emitStart(accessors.setAccessor);
write("function ");
emitSignatureAndBody(accessors.setAccessor);
emitEnd(accessors.setAccessor);
emitTrailingComments(accessors.setAccessor);
write(",");
}
writeLine();
write("enumerable: true,");
writeLine();
write("configurable: true");
decreaseIndent();
writeLine();
write("});");
emitEnd(member);
}
}
});
}
function emitMemberFunctionsForES6AndHigher(node) {
for (var _a = 0, _b = node.members; _a < _b.length; _a++) {
var member = _b[_a];
if ((member.kind === 134 || node.kind === 133) && !member.body) {
emitOnlyPinnedOrTripleSlashComments(member);
}
else if (member.kind === 134 || member.kind === 136 || member.kind === 137) {
writeLine();
emitLeadingComments(member);
emitStart(member);
if (member.flags & 128) {
write("static ");
}
if (member.kind === 136) {
write("get ");
}
else if (member.kind === 137) {
write("set ");
}
emit(member.name);
emitSignatureAndBody(member);
emitEnd(member);
emitTrailingComments(member);
}
else if (member.kind === 178) {
writeLine();
write(";");
}
}
}
function emitConstructor(node, baseTypeElement) {
var saveTempFlags = tempFlags;
var saveTempVariables = tempVariables;
var saveTempParameters = tempParameters;
tempFlags = 0;
tempVariables = undefined;
tempParameters = undefined;
var hasInstancePropertyWithInitializer = false;
ts.forEach(node.members, function (member) {
if (member.kind === 135 && !member.body) {
emitOnlyPinnedOrTripleSlashComments(member);
}
if (member.kind === 132 && member.initializer && (member.flags & 128) === 0) {
hasInstancePropertyWithInitializer = true;
}
});
var ctor = ts.getFirstConstructorWithBody(node);
if (languageVersion >= 2 && !ctor && !hasInstancePropertyWithInitializer) {
return;
}
if (ctor) {
emitLeadingComments(ctor);
}
emitStart(ctor || node);
if (languageVersion < 2) {
write("function ");
emitDeclarationName(node);
emitSignatureParameters(ctor);
}
else {
write("constructor");
if (ctor) {
emitSignatureParameters(ctor);
}
else {
if (baseTypeElement) {
write("(...args)");
}
else {
write("()");
}
}
}
write(" {");
scopeEmitStart(node, "constructor");
increaseIndent();
if (ctor) {
emitDetachedComments(ctor.body.statements);
}
emitCaptureThisForNodeIfNecessary(node);
if (ctor) {
emitDefaultValueAssignments(ctor);
emitRestParameter(ctor);
if (baseTypeElement) {
var superCall = findInitialSuperCall(ctor);
if (superCall) {
writeLine();
emit(superCall);
}
}
emitParameterPropertyAssignments(ctor);
}
else {
if (baseTypeElement) {
writeLine();
emitStart(baseTypeElement);
if (languageVersion < 2) {
write("_super.apply(this, arguments);");
}
else {
write("super(...args);");
}
emitEnd(baseTypeElement);
}
}
emitMemberAssignments(node, 0);
if (ctor) {
var statements = ctor.body.statements;
if (superCall) {
statements = statements.slice(1);
}
emitLines(statements);
}
emitTempDeclarations(true);
writeLine();
if (ctor) {
emitLeadingCommentsOfPosition(ctor.body.statements.end);
}
decreaseIndent();
emitToken(15, ctor ? ctor.body.statements.end : node.members.end);
scopeEmitEnd();
emitEnd(ctor || node);
if (ctor) {
emitTrailingComments(ctor);
}
tempFlags = saveTempFlags;
tempVariables = saveTempVariables;
tempParameters = saveTempParameters;
}
function emitClassExpression(node) {
return emitClassLikeDeclaration(node);
}
function emitClassDeclaration(node) {
return emitClassLikeDeclaration(node);
}
function emitClassLikeDeclaration(node) {
if (languageVersion < 2) {
emitClassLikeDeclarationBelowES6(node);
}
else {
emitClassLikeDeclarationForES6AndHigher(node);
}
}
function emitClassLikeDeclarationForES6AndHigher(node) {
var thisNodeIsDecorated = ts.nodeIsDecorated(node);
if (node.kind === 201) {
if (thisNodeIsDecorated) {
if (isES6ExportedDeclaration(node) && !(node.flags & 256)) {
write("export ");
}
write("let ");
emitDeclarationName(node);
write(" = ");
}
else if (isES6ExportedDeclaration(node)) {
write("export ");
if (node.flags & 256) {
write("default ");
}
}
}
write("class");
if ((node.name || !(node.flags & 256)) && !thisNodeIsDecorated) {
write(" ");
emitDeclarationName(node);
}
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node);
if (baseTypeNode) {
write(" extends ");
emit(baseTypeNode.expression);
}
write(" {");
increaseIndent();
scopeEmitStart(node);
writeLine();
emitConstructor(node, baseTypeNode);
emitMemberFunctionsForES6AndHigher(node);
decreaseIndent();
writeLine();
emitToken(15, node.members.end);
scopeEmitEnd();
if (thisNodeIsDecorated) {
write(";");
if (node.name) {
writeLine();
write("Object.defineProperty(");
emitDeclarationName(node);
write(", \"name\", { value: \"");
emitDeclarationName(node);
write("\", configurable: true });");
writeLine();
}
}
writeLine();
emitMemberAssignments(node, 128);
emitDecoratorsOfClass(node);
if (!isES6ExportedDeclaration(node) && (node.flags & 1)) {
writeLine();
emitStart(node);
emitModuleMemberName(node);
write(" = ");
emitDeclarationName(node);
emitEnd(node);
write(";");
}
else if (isES6ExportedDeclaration(node) && (node.flags & 256) && thisNodeIsDecorated) {
writeLine();
write("export default ");
emitDeclarationName(node);
write(";");
}
}
function emitClassLikeDeclarationBelowES6(node) {
if (node.kind === 201) {
write("var ");
emitDeclarationName(node);
write(" = ");
}
write("(function (");
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node);
if (baseTypeNode) {
write("_super");
}
write(") {");
var saveTempFlags = tempFlags;
var saveTempVariables = tempVariables;
var saveTempParameters = tempParameters;
var saveComputedPropertyNamesToGeneratedNames = computedPropertyNamesToGeneratedNames;
tempFlags = 0;
tempVariables = undefined;
tempParameters = undefined;
computedPropertyNamesToGeneratedNames = undefined;
increaseIndent();
scopeEmitStart(node);
if (baseTypeNode) {
writeLine();
emitStart(baseTypeNode);
write("__extends(");
emitDeclarationName(node);
write(", _super);");
emitEnd(baseTypeNode);
}
writeLine();
emitConstructor(node, baseTypeNode);
emitMemberFunctionsForES5AndLower(node);
emitMemberAssignments(node, 128);
writeLine();
emitDecoratorsOfClass(node);
writeLine();
emitToken(15, node.members.end, function () {
write("return ");
emitDeclarationName(node);
});
write(";");
emitTempDeclarations(true);
tempFlags = saveTempFlags;
tempVariables = saveTempVariables;
tempParameters = saveTempParameters;
computedPropertyNamesToGeneratedNames = saveComputedPropertyNamesToGeneratedNames;
decreaseIndent();
writeLine();
emitToken(15, node.members.end);
scopeEmitEnd();
emitStart(node);
write(")(");
if (baseTypeNode) {
emit(baseTypeNode.expression);
}
write(")");
if (node.kind === 201) {
write(";");
}
emitEnd(node);
if (node.kind === 201) {
emitExportMemberAssignment(node);
}
if (languageVersion < 2 && node.parent === currentSourceFile && node.name) {
emitExportMemberAssignments(node.name);
}
}
function emitClassMemberPrefix(node, member) {
emitDeclarationName(node);
if (!(member.flags & 128)) {
write(".prototype");
}
}
function emitDecoratorsOfClass(node) {
emitDecoratorsOfMembers(node, 0);
emitDecoratorsOfMembers(node, 128);
emitDecoratorsOfConstructor(node);
}
function emitDecoratorsOfConstructor(node) {
var constructor = ts.getFirstConstructorWithBody(node);
if (constructor) {
emitDecoratorsOfParameters(node, constructor);
}
if (!ts.nodeIsDecorated(node)) {
return;
}
writeLine();
emitStart(node);
emitDeclarationName(node);
write(" = ");
emitDecorateStart(node.decorators);
emitDeclarationName(node);
write(");");
emitEnd(node);
writeLine();
}
function emitDecoratorsOfMembers(node, staticFlag) {
ts.forEach(node.members, function (member) {
if ((member.flags & 128) !== staticFlag) {
return;
}
var decorators;
switch (member.kind) {
case 134:
emitDecoratorsOfParameters(node, member);
decorators = member.decorators;
break;
case 136:
case 137:
var accessors = ts.getAllAccessorDeclarations(node.members, member);
if (member !== accessors.firstAccessor) {
return;
}
if (accessors.setAccessor) {
emitDecoratorsOfParameters(node, accessors.setAccessor);
}
decorators = accessors.firstAccessor.decorators;
if (!decorators && accessors.secondAccessor) {
decorators = accessors.secondAccessor.decorators;
}
break;
case 132:
decorators = member.decorators;
break;
default:
return;
}
if (!decorators) {
return;
}
writeLine();
emitStart(member);
if (member.kind !== 132) {
write("Object.defineProperty(");
emitStart(member.name);
emitClassMemberPrefix(node, member);
write(", ");
emitExpressionForPropertyName(member.name);
emitEnd(member.name);
write(", ");
}
emitDecorateStart(decorators);
emitStart(member.name);
emitClassMemberPrefix(node, member);
write(", ");
emitExpressionForPropertyName(member.name);
emitEnd(member.name);
if (member.kind !== 132) {
write(", Object.getOwnPropertyDescriptor(");
emitStart(member.name);
emitClassMemberPrefix(node, member);
write(", ");
emitExpressionForPropertyName(member.name);
emitEnd(member.name);
write("))");
}
write(");");
emitEnd(member);
writeLine();
});
}
function emitDecoratorsOfParameters(node, member) {
ts.forEach(member.parameters, function (parameter, parameterIndex) {
if (!ts.nodeIsDecorated(parameter)) {
return;
}
writeLine();
emitStart(parameter);
emitDecorateStart(parameter.decorators);
emitStart(parameter.name);
if (member.kind === 135) {
emitDeclarationName(node);
write(", void 0");
}
else {
emitClassMemberPrefix(node, member);
write(", ");
emitExpressionForPropertyName(member.name);
}
write(", ");
write(String(parameterIndex));
emitEnd(parameter.name);
write(");");
emitEnd(parameter);
writeLine();
});
}
function emitDecorateStart(decorators) {
write("__decorate([");
var decoratorCount = decorators.length;
for (var i = 0; i < decoratorCount; i++) {
if (i > 0) {
write(", ");
}
var decorator = decorators[i];
emitStart(decorator);
emit(decorator.expression);
emitEnd(decorator);
}
write("], ");
}
function emitInterfaceDeclaration(node) {
emitOnlyPinnedOrTripleSlashComments(node);
}
function shouldEmitEnumDeclaration(node) {
var isConstEnum = ts.isConst(node);
return !isConstEnum || compilerOptions.preserveConstEnums || compilerOptions.separateCompilation;
}
function emitEnumDeclaration(node) {
if (!shouldEmitEnumDeclaration(node)) {
return;
}
if (!(node.flags & 1) || isES6ExportedDeclaration(node)) {
emitStart(node);
if (isES6ExportedDeclaration(node)) {
write("export ");
}
write("var ");
emit(node.name);
emitEnd(node);
write(";");
}
writeLine();
emitStart(node);
write("(function (");
emitStart(node.name);
write(getGeneratedNameForNode(node));
emitEnd(node.name);
write(") {");
increaseIndent();
scopeEmitStart(node);
emitLines(node.members);
decreaseIndent();
writeLine();
emitToken(15, node.members.end);
scopeEmitEnd();
write(")(");
emitModuleMemberName(node);
write(" || (");
emitModuleMemberName(node);
write(" = {}));");
emitEnd(node);
if (!isES6ExportedDeclaration(node) && node.flags & 1) {
writeLine();
emitStart(node);
write("var ");
emit(node.name);
write(" = ");
emitModuleMemberName(node);
emitEnd(node);
write(";");
}
if (languageVersion < 2 && node.parent === currentSourceFile) {
emitExportMemberAssignments(node.name);
}
}
function emitEnumMember(node) {
var enumParent = node.parent;
emitStart(node);
write(getGeneratedNameForNode(enumParent));
write("[");
write(getGeneratedNameForNode(enumParent));
write("[");
emitExpressionForPropertyName(node.name);
write("] = ");
writeEnumMemberDeclarationValue(node);
write("] = ");
emitExpressionForPropertyName(node.name);
emitEnd(node);
write(";");
}
function writeEnumMemberDeclarationValue(member) {
var value = resolver.getConstantValue(member);
if (value !== undefined) {
write(value.toString());
return;
}
else if (member.initializer) {
emit(member.initializer);
}
else {
write("undefined");
}
}
function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) {
if (moduleDeclaration.body.kind === 205) {
var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body);
return recursiveInnerModule || moduleDeclaration.body;
}
}
function shouldEmitModuleDeclaration(node) {
return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.separateCompilation);
}
function emitModuleDeclaration(node) {
var shouldEmit = shouldEmitModuleDeclaration(node);
if (!shouldEmit) {
return emitOnlyPinnedOrTripleSlashComments(node);
}
emitStart(node);
if (isES6ExportedDeclaration(node)) {
write("export ");
}
write("var ");
emit(node.name);
write(";");
emitEnd(node);
writeLine();
emitStart(node);
write("(function (");
emitStart(node.name);
write(getGeneratedNameForNode(node));
emitEnd(node.name);
write(") ");
if (node.body.kind === 206) {
var saveTempFlags = tempFlags;
var saveTempVariables = tempVariables;
tempFlags = 0;
tempVariables = undefined;
emit(node.body);
tempFlags = saveTempFlags;
tempVariables = saveTempVariables;
}
else {
write("{");
increaseIndent();
scopeEmitStart(node);
emitCaptureThisForNodeIfNecessary(node);
writeLine();
emit(node.body);
decreaseIndent();
writeLine();
var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body;
emitToken(15, moduleBlock.statements.end);
scopeEmitEnd();
}
write(")(");
if ((node.flags & 1) && !isES6ExportedDeclaration(node)) {
emit(node.name);
write(" = ");
}
emitModuleMemberName(node);
write(" || (");
emitModuleMemberName(node);
write(" = {}));");
emitEnd(node);
if (!isES6ExportedDeclaration(node) && node.name.kind === 65 && node.parent === currentSourceFile) {
emitExportMemberAssignments(node.name);
}
}
function emitRequire(moduleName) {
if (moduleName.kind === 8) {
write("require(");
emitStart(moduleName);
emitLiteral(moduleName);
emitEnd(moduleName);
emitToken(17, moduleName.end);
}
else {
write("require()");
}
}
function getNamespaceDeclarationNode(node) {
if (node.kind === 208) {
return node;
}
var importClause = node.importClause;
if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 211) {
return importClause.namedBindings;
}
}
function isDefaultImport(node) {
return node.kind === 209 && node.importClause && !!node.importClause.name;
}
function emitExportImportAssignments(node) {
if (ts.isAliasSymbolDeclaration(node) && resolver.isValueAliasDeclaration(node)) {
emitExportMemberAssignments(node.name);
}
ts.forEachChild(node, emitExportImportAssignments);
}
function emitImportDeclaration(node) {
if (languageVersion < 2) {
return emitExternalImportDeclaration(node);
}
if (node.importClause) {
var shouldEmitDefaultBindings = resolver.isReferencedAliasDeclaration(node.importClause);
var shouldEmitNamedBindings = node.importClause.namedBindings && resolver.isReferencedAliasDeclaration(node.importClause.namedBindings, true);
if (shouldEmitDefaultBindings || shouldEmitNamedBindings) {
write("import ");
emitStart(node.importClause);
if (shouldEmitDefaultBindings) {
emit(node.importClause.name);
if (shouldEmitNamedBindings) {
write(", ");
}
}
if (shouldEmitNamedBindings) {
emitLeadingComments(node.importClause.namedBindings);
emitStart(node.importClause.namedBindings);
if (node.importClause.namedBindings.kind === 211) {
write("* as ");
emit(node.importClause.namedBindings.name);
}
else {
write("{ ");
emitExportOrImportSpecifierList(node.importClause.namedBindings.elements, resolver.isReferencedAliasDeclaration);
write(" }");
}
emitEnd(node.importClause.namedBindings);
emitTrailingComments(node.importClause.namedBindings);
}
emitEnd(node.importClause);
write(" from ");
emit(node.moduleSpecifier);
write(";");
}
}
else {
write("import ");
emit(node.moduleSpecifier);
write(";");
}
}
function emitExternalImportDeclaration(node) {
if (ts.contains(externalImports, node)) {
var isExportedImport = node.kind === 208 && (node.flags & 1) !== 0;
var namespaceDeclaration = getNamespaceDeclarationNode(node);
if (compilerOptions.module !== 2) {
emitLeadingComments(node);
emitStart(node);
if (namespaceDeclaration && !isDefaultImport(node)) {
if (!isExportedImport)
write("var ");
emitModuleMemberName(namespaceDeclaration);
write(" = ");
}
else {
var isNakedImport = 209 && !node.importClause;
if (!isNakedImport) {
write("var ");
write(getGeneratedNameForNode(node));
write(" = ");
}
}
emitRequire(ts.getExternalModuleName(node));
if (namespaceDeclaration && isDefaultImport(node)) {
write(", ");
emitModuleMemberName(namespaceDeclaration);
write(" = ");
write(getGeneratedNameForNode(node));
}
write(";");
emitEnd(node);
emitExportImportAssignments(node);
emitTrailingComments(node);
}
else {
if (isExportedImport) {
emitModuleMemberName(namespaceDeclaration);
write(" = ");
emit(namespaceDeclaration.name);
write(";");
}
else if (namespaceDeclaration && isDefaultImport(node)) {
write("var ");
emitModuleMemberName(namespaceDeclaration);
write(" = ");
write(getGeneratedNameForNode(node));
write(";");
}
emitExportImportAssignments(node);
}
}
}
function emitImportEqualsDeclaration(node) {
if (ts.isExternalModuleImportEqualsDeclaration(node)) {
emitExternalImportDeclaration(node);
return;
}
if (resolver.isReferencedAliasDeclaration(node) || (!ts.isExternalModule(currentSourceFile) && resolver.isTopLevelValueImportEqualsWithEntityName(node))) {
emitLeadingComments(node);
emitStart(node);
if (isES6ExportedDeclaration(node)) {
write("export ");
write("var ");
}
else if (!(node.flags & 1)) {
write("var ");
}
emitModuleMemberName(node);
write(" = ");
emit(node.moduleReference);
write(";");
emitEnd(node);
emitExportImportAssignments(node);
emitTrailingComments(node);
}
}
function emitExportDeclaration(node) {
if (languageVersion < 2) {
if (node.moduleSpecifier && (!node.exportClause || resolver.isValueAliasDeclaration(node))) {
emitStart(node);
var generatedName = getGeneratedNameForNode(node);
if (node.exportClause) {
if (compilerOptions.module !== 2) {
write("var ");
write(generatedName);
write(" = ");
emitRequire(ts.getExternalModuleName(node));
write(";");
}
for (var _a = 0, _b = node.exportClause.elements; _a < _b.length; _a++) {
var specifier = _b[_a];
if (resolver.isValueAliasDeclaration(specifier)) {
writeLine();
emitStart(specifier);
emitContainingModuleName(specifier);
write(".");
emitNodeWithoutSourceMap(specifier.name);
write(" = ");
write(generatedName);
write(".");
emitNodeWithoutSourceMap(specifier.propertyName || specifier.name);
write(";");
emitEnd(specifier);
}
}
}
else {
writeLine();
write("__export(");
if (compilerOptions.module !== 2) {
emitRequire(ts.getExternalModuleName(node));
}
else {
write(generatedName);
}
write(");");
}
emitEnd(node);
}
}
else {
if (!node.exportClause || resolver.isValueAliasDeclaration(node)) {
emitStart(node);
write("export ");
if (node.exportClause) {
write("{ ");
emitExportOrImportSpecifierList(node.exportClause.elements, resolver.isValueAliasDeclaration);
write(" }");
}
else {
write("*");
}
if (node.moduleSpecifier) {
write(" from ");
emitNodeWithoutSourceMap(node.moduleSpecifier);
}
write(";");
emitEnd(node);
}
}
}
function emitExportOrImportSpecifierList(specifiers, shouldEmit) {
ts.Debug.assert(languageVersion >= 2);
var needsComma = false;
for (var _a = 0; _a < specifiers.length; _a++) {
var specifier = specifiers[_a];
if (shouldEmit(specifier)) {
if (needsComma) {
write(", ");
}
emitStart(specifier);
if (specifier.propertyName) {
emitNodeWithoutSourceMap(specifier.propertyName);
write(" as ");
}
emitNodeWithoutSourceMap(specifier.name);
emitEnd(specifier);
needsComma = true;
}
}
}
function emitExportAssignment(node) {
if (!node.isExportEquals && resolver.isValueAliasDeclaration(node)) {
if (languageVersion >= 2) {
writeLine();
emitStart(node);
write("export default ");
var expression = node.expression;
emit(expression);
if (expression.kind !== 200 && expression.kind !== 201) {
write(";");
}
emitEnd(node);
}
else {
writeLine();
emitStart(node);
emitContainingModuleName(node);
write(".default = ");
emit(node.expression);
write(";");
emitEnd(node);
}
}
}
function collectExternalModuleInfo(sourceFile) {
externalImports = [];
exportSpecifiers = {};
exportEquals = undefined;
hasExportStars = false;
for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) {
var node = _b[_a];
switch (node.kind) {
case 209:
if (!node.importClause || resolver.isReferencedAliasDeclaration(node.importClause, true)) {
externalImports.push(node);
}
break;
case 208:
if (node.moduleReference.kind === 219 && resolver.isReferencedAliasDeclaration(node)) {
externalImports.push(node);
}
break;
case 215:
if (node.moduleSpecifier) {
if (!node.exportClause) {
externalImports.push(node);
hasExportStars = true;
}
else if (resolver.isValueAliasDeclaration(node)) {
externalImports.push(node);
}
}
else {
for (var _c = 0, _d = node.exportClause.elements; _c < _d.length; _c++) {
var specifier = _d[_c];
var name_17 = (specifier.propertyName || specifier.name).text;
(exportSpecifiers[name_17] || (exportSpecifiers[name_17] = [])).push(specifier);
}
}
break;
case 214:
if (node.isExportEquals && !exportEquals) {
exportEquals = node;
}
break;
}
}
}
function sortAMDModules(amdModules) {
return amdModules.sort(function (moduleA, moduleB) {
if (moduleA.name === moduleB.name) {
return 0;
}
else if (!moduleA.name) {
return 1;
}
else {
return -1;
}
});
}
function emitExportStarHelper() {
if (hasExportStars) {
writeLine();
write("function __export(m) {");
increaseIndent();
writeLine();
write("for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];");
decreaseIndent();
writeLine();
write("}");
}
}
function emitAMDModule(node, startIndex) {
collectExternalModuleInfo(node);
writeLine();
write("define(");
sortAMDModules(node.amdDependencies);
if (node.amdModuleName) {
write("\"" + node.amdModuleName + "\", ");
}
write("[\"require\", \"exports\"");
for (var _a = 0; _a < externalImports.length; _a++) {
var importNode = externalImports[_a];
write(", ");
var moduleName = ts.getExternalModuleName(importNode);
if (moduleName.kind === 8) {
emitLiteral(moduleName);
}
else {
write("\"\"");
}
}
for (var _b = 0, _c = node.amdDependencies; _b < _c.length; _b++) {
var amdDependency = _c[_b];
var text = "\"" + amdDependency.path + "\"";
write(", ");
write(text);
}
write("], function (require, exports");
for (var _d = 0; _d < externalImports.length; _d++) {
var importNode = externalImports[_d];
write(", ");
var namespaceDeclaration = getNamespaceDeclarationNode(importNode);
if (namespaceDeclaration && !isDefaultImport(importNode)) {
emit(namespaceDeclaration.name);
}
else {
write(getGeneratedNameForNode(importNode));
}
}
for (var _e = 0, _f = node.amdDependencies; _e < _f.length; _e++) {
var amdDependency = _f[_e];
if (amdDependency.name) {
write(", ");
write(amdDependency.name);
}
}
write(") {");
increaseIndent();
emitExportStarHelper();
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
emitTempDeclarations(true);
emitExportEquals(true);
decreaseIndent();
writeLine();
write("});");
}
function emitCommonJSModule(node, startIndex) {
collectExternalModuleInfo(node);
emitExportStarHelper();
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
emitTempDeclarations(true);
emitExportEquals(false);
}
function emitES6Module(node, startIndex) {
externalImports = undefined;
exportSpecifiers = undefined;
exportEquals = undefined;
hasExportStars = false;
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
emitTempDeclarations(true);
}
function emitExportEquals(emitAsReturn) {
if (exportEquals && resolver.isValueAliasDeclaration(exportEquals)) {
writeLine();
emitStart(exportEquals);
write(emitAsReturn ? "return " : "module.exports = ");
emit(exportEquals.expression);
write(";");
emitEnd(exportEquals);
}
}
function emitDirectivePrologues(statements, startWithNewLine) {
for (var i = 0; i < statements.length; ++i) {
if (ts.isPrologueDirective(statements[i])) {
if (startWithNewLine || i > 0) {
writeLine();
}
emit(statements[i]);
}
else {
return i;
}
}
return statements.length;
}
function writeHelper(text) {
var lines = text.split(/\r\n|\r|\n/g);
for (var i = 0; i < lines.length; ++i) {
var line = lines[i];
if (line.length) {
writeLine();
write(line);
}
}
}
function emitSourceFileNode(node) {
writeLine();
emitDetachedComments(node);
var startIndex = emitDirectivePrologues(node.statements, false);
if ((languageVersion < 2) && (!extendsEmitted && resolver.getNodeCheckFlags(node) & 8)) {
writeLine();
write("var __extends = this.__extends || function (d, b) {");
increaseIndent();
writeLine();
write("for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];");
writeLine();
write("function __() { this.constructor = d; }");
writeLine();
write("__.prototype = b.prototype;");
writeLine();
write("d.prototype = new __();");
decreaseIndent();
writeLine();
write("};");
extendsEmitted = true;
}
if (!decorateEmitted && resolver.getNodeCheckFlags(node) & 512) {
writeHelper("\nvar __decorate = this.__decorate || function (decorators, target, key, value) {\n var kind = typeof (arguments.length == 2 ? value = target : value);\n for (var i = decorators.length - 1; i >= 0; --i) {\n var decorator = decorators[i];\n switch (kind) {\n case \"function\": value = decorator(value) || value; break;\n case \"number\": decorator(target, key, value); break;\n case \"undefined\": decorator(target, key); break;\n case \"object\": value = decorator(target, key, value) || value; break;\n }\n }\n return value;\n};");
decorateEmitted = true;
}
if (ts.isExternalModule(node)) {
if (languageVersion >= 2) {
emitES6Module(node, startIndex);
}
else if (compilerOptions.module === 2) {
emitAMDModule(node, startIndex);
}
else {
emitCommonJSModule(node, startIndex);
}
}
else {
externalImports = undefined;
exportSpecifiers = undefined;
exportEquals = undefined;
hasExportStars = false;
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
emitTempDeclarations(true);
}
emitLeadingComments(node.endOfFileToken);
}
function emitNodeWithoutSourceMap(node, allowGeneratedIdentifiers) {
if (!node) {
return;
}
if (node.flags & 2) {
return emitOnlyPinnedOrTripleSlashComments(node);
}
var emitComments = shouldEmitLeadingAndTrailingComments(node);
if (emitComments) {
emitLeadingComments(node);
}
emitJavaScriptWorker(node, allowGeneratedIdentifiers);
if (emitComments) {
emitTrailingComments(node);
}
}
function shouldEmitLeadingAndTrailingComments(node) {
switch (node.kind) {
case 202:
case 200:
case 209:
case 208:
case 203:
case 214:
return false;
case 205:
return shouldEmitModuleDeclaration(node);
case 204:
return shouldEmitEnumDeclaration(node);
}
if (node.kind !== 179 && node.parent && node.parent.kind === 163 && node.parent.body === node && compilerOptions.target <= 1) {
return false;
}
return true;
}
function emitJavaScriptWorker(node, allowGeneratedIdentifiers) {
if (allowGeneratedIdentifiers === void 0) { allowGeneratedIdentifiers = true; }
switch (node.kind) {
case 65:
return emitIdentifier(node, allowGeneratedIdentifiers);
case 129:
return emitParameter(node);
case 134:
case 133:
return emitMethod(node);
case 136:
case 137:
return emitAccessor(node);
case 93:
return emitThis(node);
case 91:
return emitSuper(node);
case 89:
return write("null");
case 95:
return write("true");
case 80:
return write("false");
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
return emitLiteral(node);
case 171:
return emitTemplateExpression(node);
case 176:
return emitTemplateSpan(node);
case 126:
return emitQualifiedName(node);
case 150:
return emitObjectBindingPattern(node);
case 151:
return emitArrayBindingPattern(node);
case 152:
return emitBindingElement(node);
case 153:
return emitArrayLiteral(node);
case 154:
return emitObjectLiteral(node);
case 224:
return emitPropertyAssignment(node);
case 225:
return emitShorthandPropertyAssignment(node);
case 127:
return emitComputedPropertyName(node);
case 155:
return emitPropertyAccess(node);
case 156:
return emitIndexedAccess(node);
case 157:
return emitCallExpression(node);
case 158:
return emitNewExpression(node);
case 159:
return emitTaggedTemplateExpression(node);
case 160:
return emit(node.expression);
case 161:
return emitParenExpression(node);
case 200:
case 162:
case 163:
return emitFunctionDeclaration(node);
case 164:
return emitDeleteExpression(node);
case 165:
return emitTypeOfExpression(node);
case 166:
return emitVoidExpression(node);
case 167:
return emitPrefixUnaryExpression(node);
case 168:
return emitPostfixUnaryExpression(node);
case 169:
return emitBinaryExpression(node);
case 170:
return emitConditionalExpression(node);
case 173:
return emitSpreadElementExpression(node);
case 175:
return;
case 179:
case 206:
return emitBlock(node);
case 180:
return emitVariableStatement(node);
case 181:
return write(";");
case 182:
return emitExpressionStatement(node);
case 183:
return emitIfStatement(node);
case 184:
return emitDoStatement(node);
case 185:
return emitWhileStatement(node);
case 186:
return emitForStatement(node);
case 188:
case 187:
return emitForInOrForOfStatement(node);
case 189:
case 190:
return emitBreakOrContinueStatement(node);
case 191:
return emitReturnStatement(node);
case 192:
return emitWithStatement(node);
case 193:
return emitSwitchStatement(node);
case 220:
case 221:
return emitCaseOrDefaultClause(node);
case 194:
return emitLabelledStatement(node);
case 195:
return emitThrowStatement(node);
case 196:
return emitTryStatement(node);
case 223:
return emitCatchClause(node);
case 197:
return emitDebuggerStatement(node);
case 198:
return emitVariableDeclaration(node);
case 174:
return emitClassExpression(node);
case 201:
return emitClassDeclaration(node);
case 202:
return emitInterfaceDeclaration(node);
case 204:
return emitEnumDeclaration(node);
case 226:
return emitEnumMember(node);
case 205:
return emitModuleDeclaration(node);
case 209:
return emitImportDeclaration(node);
case 208:
return emitImportEqualsDeclaration(node);
case 215:
return emitExportDeclaration(node);
case 214:
return emitExportAssignment(node);
case 227:
return emitSourceFileNode(node);
}
}
function hasDetachedComments(pos) {
return detachedCommentsInfo !== undefined && detachedCommentsInfo[detachedCommentsInfo.length - 1].nodePos === pos;
}
function getLeadingCommentsWithoutDetachedComments() {
var leadingComments = ts.getLeadingCommentRanges(currentSourceFile.text, detachedCommentsInfo[detachedCommentsInfo.length - 1].detachedCommentEndPos);
if (detachedCommentsInfo.length - 1) {
detachedCommentsInfo.pop();
}
else {
detachedCommentsInfo = undefined;
}
return leadingComments;
}
function filterComments(ranges, onlyPinnedOrTripleSlashComments) {
if (ranges && onlyPinnedOrTripleSlashComments) {
ranges = ts.filter(ranges, isPinnedOrTripleSlashComment);
if (ranges.length === 0) {
return undefined;
}
}
return ranges;
}
function getLeadingCommentsToEmit(node) {
if (node.parent) {
if (node.parent.kind === 227 || node.pos !== node.parent.pos) {
if (hasDetachedComments(node.pos)) {
return getLeadingCommentsWithoutDetachedComments();
}
else {
return ts.getLeadingCommentRangesOfNode(node, currentSourceFile);
}
}
}
}
function getTrailingCommentsToEmit(node) {
if (node.parent) {
if (node.parent.kind === 227 || node.end !== node.parent.end) {
return ts.getTrailingCommentRanges(currentSourceFile.text, node.end);
}
}
}
function emitOnlyPinnedOrTripleSlashComments(node) {
emitLeadingCommentsWorker(node, true);
}
function emitLeadingComments(node) {
return emitLeadingCommentsWorker(node, compilerOptions.removeComments);
}
function emitLeadingCommentsWorker(node, onlyPinnedOrTripleSlashComments) {
var leadingComments = filterComments(getLeadingCommentsToEmit(node), onlyPinnedOrTripleSlashComments);
ts.emitNewLineBeforeLeadingComments(currentSourceFile, writer, node, leadingComments);
ts.emitComments(currentSourceFile, writer, leadingComments, true, newLine, writeComment);
}
function emitTrailingComments(node) {
var trailingComments = filterComments(getTrailingCommentsToEmit(node), compilerOptions.removeComments);
ts.emitComments(currentSourceFile, writer, trailingComments, false, newLine, writeComment);
}
function emitLeadingCommentsOfPosition(pos) {
var leadingComments;
if (hasDetachedComments(pos)) {
leadingComments = getLeadingCommentsWithoutDetachedComments();
}
else {
leadingComments = ts.getLeadingCommentRanges(currentSourceFile.text, pos);
}
leadingComments = filterComments(leadingComments, compilerOptions.removeComments);
ts.emitNewLineBeforeLeadingComments(currentSourceFile, writer, {
pos: pos,
end: pos
}, leadingComments);
ts.emitComments(currentSourceFile, writer, leadingComments, true, newLine, writeComment);
}
function emitDetachedComments(node) {
var leadingComments = ts.getLeadingCommentRanges(currentSourceFile.text, node.pos);
if (leadingComments) {
var detachedComments = [];
var lastComment;
ts.forEach(leadingComments, function (comment) {
if (lastComment) {
var lastCommentLine = ts.getLineOfLocalPosition(currentSourceFile, lastComment.end);
var commentLine = ts.getLineOfLocalPosition(currentSourceFile, comment.pos);
if (commentLine >= lastCommentLine + 2) {
return detachedComments;
}
}
detachedComments.push(comment);
lastComment = comment;
});
if (detachedComments.length) {
var lastCommentLine = ts.getLineOfLocalPosition(currentSourceFile, detachedComments[detachedComments.length - 1].end);
var nodeLine = ts.getLineOfLocalPosition(currentSourceFile, ts.skipTrivia(currentSourceFile.text, node.pos));
if (nodeLine >= lastCommentLine + 2) {
ts.emitNewLineBeforeLeadingComments(currentSourceFile, writer, node, leadingComments);
ts.emitComments(currentSourceFile, writer, detachedComments, true, newLine, writeComment);
var currentDetachedCommentInfo = {
nodePos: node.pos,
detachedCommentEndPos: detachedComments[detachedComments.length - 1].end
};
if (detachedCommentsInfo) {
detachedCommentsInfo.push(currentDetachedCommentInfo);
}
else {
detachedCommentsInfo = [
currentDetachedCommentInfo
];
}
}
}
}
}
function isPinnedOrTripleSlashComment(comment) {
if (currentSourceFile.text.charCodeAt(comment.pos + 1) === 42) {
return currentSourceFile.text.charCodeAt(comment.pos + 2) === 33;
}
else if (currentSourceFile.text.charCodeAt(comment.pos + 1) === 47 && comment.pos + 2 < comment.end && currentSourceFile.text.charCodeAt(comment.pos + 2) === 47 && currentSourceFile.text.substring(comment.pos, comment.end).match(ts.fullTripleSlashReferencePathRegEx)) {
return true;
}
}
}
function emitFile(jsFilePath, sourceFile) {
emitJavaScript(jsFilePath, sourceFile);
if (compilerOptions.declaration) {
ts.writeDeclarationFile(jsFilePath, sourceFile, host, resolver, diagnostics);
}
}
}
ts.emitFiles = emitFiles;
})(ts || (ts = {}));
/// <reference path="sys.ts" />
/// <reference path="emitter.ts" />
var ts;
(function (ts) {
ts.programTime = 0;
ts.emitTime = 0;
ts.ioReadTime = 0;
ts.ioWriteTime = 0;
ts.version = "1.5.0";
function findConfigFile(searchPath) {
var fileName = "tsconfig.json";
while (true) {
if (ts.sys.fileExists(fileName)) {
return fileName;
}
var parentPath = ts.getDirectoryPath(searchPath);
if (parentPath === searchPath) {
break;
}
searchPath = parentPath;
fileName = "../" + fileName;
}
return undefined;
}
ts.findConfigFile = findConfigFile;
function createCompilerHost(options, setParentNodes) {
var currentDirectory;
var existingDirectories = {};
function getCanonicalFileName(fileName) {
return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase();
}
var unsupportedFileEncodingErrorCode = -2147024809;
function getSourceFile(fileName, languageVersion, onError) {
var text;
try {
var start = new Date().getTime();
text = ts.sys.readFile(fileName, options.charset);
ts.ioReadTime += new Date().getTime() - start;
}
catch (e) {
if (onError) {
onError(e.number === unsupportedFileEncodingErrorCode ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText : e.message);
}
text = "";
}
return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined;
}
function directoryExists(directoryPath) {
if (ts.hasProperty(existingDirectories, directoryPath)) {
return true;
}
if (ts.sys.directoryExists(directoryPath)) {
existingDirectories[directoryPath] = true;
return true;
}
return false;
}
function ensureDirectoriesExist(directoryPath) {
if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) {
var parentDirectory = ts.getDirectoryPath(directoryPath);
ensureDirectoriesExist(parentDirectory);
ts.sys.createDirectory(directoryPath);
}
}
function writeFile(fileName, data, writeByteOrderMark, onError) {
try {
var start = new Date().getTime();
ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName)));
ts.sys.writeFile(fileName, data, writeByteOrderMark);
ts.ioWriteTime += new Date().getTime() - start;
}
catch (e) {
if (onError) {
onError(e.message);
}
}
}
return {
getSourceFile: getSourceFile,
getDefaultLibFileName: function (options) {
return ts.combinePaths(ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())), ts.getDefaultLibFileName(options));
},
writeFile: writeFile,
getCurrentDirectory: function () {
return currentDirectory || (currentDirectory = ts.sys.getCurrentDirectory());
},
useCaseSensitiveFileNames: function () {
return ts.sys.useCaseSensitiveFileNames;
},
getCanonicalFileName: getCanonicalFileName,
getNewLine: function () {
return ts.sys.newLine;
}
};
}
ts.createCompilerHost = createCompilerHost;
function getPreEmitDiagnostics(program) {
var diagnostics = program.getSyntacticDiagnostics().concat(program.getGlobalDiagnostics()).concat(program.getSemanticDiagnostics());
if (program.getCompilerOptions().declaration) {
diagnostics.concat(program.getDeclarationDiagnostics());
}
return ts.sortAndDeduplicateDiagnostics(diagnostics);
}
ts.getPreEmitDiagnostics = getPreEmitDiagnostics;
function flattenDiagnosticMessageText(messageText, newLine) {
if (typeof messageText === "string") {
return messageText;
}
else {
var diagnosticChain = messageText;
var result = "";
var indent = 0;
while (diagnosticChain) {
if (indent) {
result += newLine;
for (var i = 0; i < indent; i++) {
result += " ";
}
}
result += diagnosticChain.messageText;
indent++;
diagnosticChain = diagnosticChain.next;
}
return result;
}
}
ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText;
function createProgram(rootNames, options, host) {
var program;
var files = [];
var filesByName = {};
var diagnostics = ts.createDiagnosticCollection();
var seenNoDefaultLib = options.noLib;
var commonSourceDirectory;
var diagnosticsProducingTypeChecker;
var noDiagnosticsTypeChecker;
var start = new Date().getTime();
host = host || createCompilerHost(options);
ts.forEach(rootNames, function (name) {
return processRootFile(name, false);
});
if (!seenNoDefaultLib) {
processRootFile(host.getDefaultLibFileName(options), true);
}
verifyCompilerOptions();
ts.programTime += new Date().getTime() - start;
program = {
getSourceFile: getSourceFile,
getSourceFiles: function () {
return files;
},
getCompilerOptions: function () {
return options;
},
getSyntacticDiagnostics: getSyntacticDiagnostics,
getGlobalDiagnostics: getGlobalDiagnostics,
getSemanticDiagnostics: getSemanticDiagnostics,
getDeclarationDiagnostics: getDeclarationDiagnostics,
getTypeChecker: getTypeChecker,
getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker,
getCommonSourceDirectory: function () {
return commonSourceDirectory;
},
emit: emit,
getCurrentDirectory: host.getCurrentDirectory,
getNodeCount: function () {
return getDiagnosticsProducingTypeChecker().getNodeCount();
},
getIdentifierCount: function () {
return getDiagnosticsProducingTypeChecker().getIdentifierCount();
},
getSymbolCount: function () {
return getDiagnosticsProducingTypeChecker().getSymbolCount();
},
getTypeCount: function () {
return getDiagnosticsProducingTypeChecker().getTypeCount();
}
};
return program;
function getEmitHost(writeFileCallback) {
return {
getCanonicalFileName: host.getCanonicalFileName,
getCommonSourceDirectory: program.getCommonSourceDirectory,
getCompilerOptions: program.getCompilerOptions,
getCurrentDirectory: host.getCurrentDirectory,
getNewLine: host.getNewLine,
getSourceFile: program.getSourceFile,
getSourceFiles: program.getSourceFiles,
writeFile: writeFileCallback || host.writeFile
};
}
function getDiagnosticsProducingTypeChecker() {
return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, true));
}
function getTypeChecker() {
return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, false));
}
function emit(sourceFile, writeFileCallback) {
if (options.noEmitOnError && getPreEmitDiagnostics(this).length > 0) {
return {
diagnostics: [],
sourceMaps: undefined,
emitSkipped: true
};
}
var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile);
var start = new Date().getTime();
var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile);
ts.emitTime += new Date().getTime() - start;
return emitResult;
}
function getSourceFile(fileName) {
fileName = host.getCanonicalFileName(fileName);
return ts.hasProperty(filesByName, fileName) ? filesByName[fileName] : undefined;
}
function getDiagnosticsHelper(sourceFile, getDiagnostics) {
if (sourceFile) {
return getDiagnostics(sourceFile);
}
var allDiagnostics = [];
ts.forEach(program.getSourceFiles(), function (sourceFile) {
ts.addRange(allDiagnostics, getDiagnostics(sourceFile));
});
return ts.sortAndDeduplicateDiagnostics(allDiagnostics);
}
function getSyntacticDiagnostics(sourceFile) {
return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile);
}
function getSemanticDiagnostics(sourceFile) {
return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile);
}
function getDeclarationDiagnostics(sourceFile) {
return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile);
}
function getSyntacticDiagnosticsForFile(sourceFile) {
return sourceFile.parseDiagnostics;
}
function getSemanticDiagnosticsForFile(sourceFile) {
var typeChecker = getDiagnosticsProducingTypeChecker();
ts.Debug.assert(!!sourceFile.bindDiagnostics);
var bindDiagnostics = sourceFile.bindDiagnostics;
var checkDiagnostics = typeChecker.getDiagnostics(sourceFile);
var programDiagnostics = diagnostics.getDiagnostics(sourceFile.fileName);
return bindDiagnostics.concat(checkDiagnostics).concat(programDiagnostics);
}
function getDeclarationDiagnosticsForFile(sourceFile) {
if (!ts.isDeclarationFile(sourceFile)) {
var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile);
var writeFile = function () {
};
return ts.getDeclarationDiagnostics(getEmitHost(writeFile), resolver, sourceFile);
}
}
function getGlobalDiagnostics() {
var typeChecker = getDiagnosticsProducingTypeChecker();
var allDiagnostics = [];
ts.addRange(allDiagnostics, typeChecker.getGlobalDiagnostics());
ts.addRange(allDiagnostics, diagnostics.getGlobalDiagnostics());
return ts.sortAndDeduplicateDiagnostics(allDiagnostics);
}
function hasExtension(fileName) {
return ts.getBaseFileName(fileName).indexOf(".") >= 0;
}
function processRootFile(fileName, isDefaultLib) {
processSourceFile(ts.normalizePath(fileName), isDefaultLib);
}
function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) {
var start;
var length;
if (refEnd !== undefined && refPos !== undefined) {
start = refPos;
length = refEnd - refPos;
}
var diagnostic;
if (hasExtension(fileName)) {
if (!options.allowNonTsExtensions && !ts.fileExtensionIs(host.getCanonicalFileName(fileName), ".ts")) {
diagnostic = ts.Diagnostics.File_0_must_have_extension_ts_or_d_ts;
}
else if (!findSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd)) {
diagnostic = ts.Diagnostics.File_0_not_found;
}
else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) {
diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself;
}
}
else {
if (options.allowNonTsExtensions && !findSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd)) {
diagnostic = ts.Diagnostics.File_0_not_found;
}
else if (!findSourceFile(fileName + ".ts", isDefaultLib, refFile, refPos, refEnd) && !findSourceFile(fileName + ".d.ts", isDefaultLib, refFile, refPos, refEnd)) {
diagnostic = ts.Diagnostics.File_0_not_found;
fileName += ".ts";
}
}
if (diagnostic) {
if (refFile) {
diagnostics.add(ts.createFileDiagnostic(refFile, start, length, diagnostic, fileName));
}
else {
diagnostics.add(ts.createCompilerDiagnostic(diagnostic, fileName));
}
}
}
function findSourceFile(fileName, isDefaultLib, refFile, refStart, refLength) {
var canonicalName = host.getCanonicalFileName(fileName);
if (ts.hasProperty(filesByName, canonicalName)) {
return getSourceFileFromCache(fileName, canonicalName, false);
}
else {
var normalizedAbsolutePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory());
var canonicalAbsolutePath = host.getCanonicalFileName(normalizedAbsolutePath);
if (ts.hasProperty(filesByName, canonicalAbsolutePath)) {
return getSourceFileFromCache(normalizedAbsolutePath, canonicalAbsolutePath, true);
}
var file = filesByName[canonicalName] = host.getSourceFile(fileName, options.target, function (hostErrorMessage) {
if (refFile) {
diagnostics.add(ts.createFileDiagnostic(refFile, refStart, refLength, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage));
}
else {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage));
}
});
if (file) {
seenNoDefaultLib = seenNoDefaultLib || file.hasNoDefaultLib;
filesByName[canonicalAbsolutePath] = file;
if (!options.noResolve) {
var basePath = ts.getDirectoryPath(fileName);
processReferencedFiles(file, basePath);
processImportedModules(file, basePath);
}
if (isDefaultLib) {
files.unshift(file);
}
else {
files.push(file);
}
}
return file;
}
function getSourceFileFromCache(fileName, canonicalName, useAbsolutePath) {
var file = filesByName[canonicalName];
if (file && host.useCaseSensitiveFileNames()) {
var sourceFileName = useAbsolutePath ? ts.getNormalizedAbsolutePath(file.fileName, host.getCurrentDirectory()) : file.fileName;
if (canonicalName !== sourceFileName) {
diagnostics.add(ts.createFileDiagnostic(refFile, refStart, refLength, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, sourceFileName));
}
}
return file;
}
}
function processReferencedFiles(file, basePath) {
ts.forEach(file.referencedFiles, function (ref) {
var referencedFileName = ts.isRootedDiskPath(ref.fileName) ? ref.fileName : ts.combinePaths(basePath, ref.fileName);
processSourceFile(ts.normalizePath(referencedFileName), false, file, ref.pos, ref.end);
});
}
function processImportedModules(file, basePath) {
ts.forEach(file.statements, function (node) {
if (node.kind === 209 || node.kind === 208 || node.kind === 215) {
var moduleNameExpr = ts.getExternalModuleName(node);
if (moduleNameExpr && moduleNameExpr.kind === 8) {
var moduleNameText = moduleNameExpr.text;
if (moduleNameText) {
var searchPath = basePath;
while (true) {
var searchName = ts.normalizePath(ts.combinePaths(searchPath, moduleNameText));
if (findModuleSourceFile(searchName + ".ts", moduleNameExpr) || findModuleSourceFile(searchName + ".d.ts", moduleNameExpr)) {
break;
}
var parentPath = ts.getDirectoryPath(searchPath);
if (parentPath === searchPath) {
break;
}
searchPath = parentPath;
}
}
}
}
else if (node.kind === 205 && node.name.kind === 8 && (node.flags & 2 || ts.isDeclarationFile(file))) {
ts.forEachChild(node.body, function (node) {
if (ts.isExternalModuleImportEqualsDeclaration(node) && ts.getExternalModuleImportEqualsDeclarationExpression(node).kind === 8) {
var nameLiteral = ts.getExternalModuleImportEqualsDeclarationExpression(node);
var moduleName = nameLiteral.text;
if (moduleName) {
var searchName = ts.normalizePath(ts.combinePaths(basePath, moduleName));
var tsFile = findModuleSourceFile(searchName + ".ts", nameLiteral);
if (!tsFile) {
findModuleSourceFile(searchName + ".d.ts", nameLiteral);
}
}
}
});
}
});
function findModuleSourceFile(fileName, nameLiteral) {
return findSourceFile(fileName, false, file, nameLiteral.pos, nameLiteral.end - nameLiteral.pos);
}
}
function verifyCompilerOptions() {
if (options.separateCompilation) {
if (options.sourceMap) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_sourceMap_cannot_be_specified_with_option_separateCompilation));
}
if (options.declaration) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_declaration_cannot_be_specified_with_option_separateCompilation));
}
if (options.noEmitOnError) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_noEmitOnError_cannot_be_specified_with_option_separateCompilation));
}
if (options.out) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_out_cannot_be_specified_with_option_separateCompilation));
}
}
if (!options.sourceMap && (options.mapRoot || options.sourceRoot)) {
if (options.mapRoot) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_mapRoot_cannot_be_specified_without_specifying_sourcemap_option));
}
if (options.sourceRoot) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_sourceRoot_cannot_be_specified_without_specifying_sourcemap_option));
}
return;
}
var languageVersion = options.target || 0;
var firstExternalModuleSourceFile = ts.forEach(files, function (f) {
return ts.isExternalModule(f) ? f : undefined;
});
if (options.separateCompilation) {
if (!options.module && languageVersion < 2) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_separateCompilation_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES6_or_higher));
}
var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) {
return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined;
});
if (firstNonExternalModuleSourceFile) {
var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile);
diagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_non_external_modules_when_the_separateCompilation_flag_is_provided));
}
}
else if (firstExternalModuleSourceFile && languageVersion < 2 && !options.module) {
var span = ts.getErrorSpanForNode(firstExternalModuleSourceFile, firstExternalModuleSourceFile.externalModuleIndicator);
diagnostics.add(ts.createFileDiagnostic(firstExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_external_modules_unless_the_module_flag_is_provided));
}
if (options.module && languageVersion >= 2) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_compile_external_modules_into_amd_or_commonjs_when_targeting_es6_or_higher));
}
if (options.outDir || options.sourceRoot || (options.mapRoot && (!options.out || firstExternalModuleSourceFile !== undefined))) {
var commonPathComponents;
ts.forEach(files, function (sourceFile) {
if (!(sourceFile.flags & 2048) && !ts.fileExtensionIs(sourceFile.fileName, ".js")) {
var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile.fileName, host.getCurrentDirectory());
sourcePathComponents.pop();
if (commonPathComponents) {
for (var i = 0; i < Math.min(commonPathComponents.length, sourcePathComponents.length); i++) {
if (commonPathComponents[i] !== sourcePathComponents[i]) {
if (i === 0) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files));
return;
}
commonPathComponents.length = i;
break;
}
}
if (sourcePathComponents.length < commonPathComponents.length) {
commonPathComponents.length = sourcePathComponents.length;
}
}
else {
commonPathComponents = sourcePathComponents;
}
}
});
commonSourceDirectory = ts.getNormalizedPathFromPathComponents(commonPathComponents);
if (commonSourceDirectory) {
commonSourceDirectory += ts.directorySeparator;
}
}
if (options.noEmit) {
if (options.out || options.outDir) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_noEmit_cannot_be_specified_with_option_out_or_outDir));
}
if (options.declaration) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_noEmit_cannot_be_specified_with_option_declaration));
}
}
}
}
ts.createProgram = createProgram;
})(ts || (ts = {}));
/// <reference path="sys.ts"/>
/// <reference path="types.ts"/>
/// <reference path="core.ts"/>
/// <reference path="scanner.ts"/>
var ts;
(function (ts) {
ts.optionDeclarations = [
{
name: "charset",
type: "string"
},
{
name: "declaration",
shortName: "d",
type: "boolean",
description: ts.Diagnostics.Generates_corresponding_d_ts_file
},
{
name: "diagnostics",
type: "boolean"
},
{
name: "emitBOM",
type: "boolean"
},
{
name: "help",
shortName: "h",
type: "boolean",
description: ts.Diagnostics.Print_this_message
},
{
name: "listFiles",
type: "boolean"
},
{
name: "locale",
type: "string"
},
{
name: "mapRoot",
type: "string",
isFilePath: true,
description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations,
paramType: ts.Diagnostics.LOCATION
},
{
name: "module",
shortName: "m",
type: {
"commonjs": 1,
"amd": 2
},
description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_or_amd,
paramType: ts.Diagnostics.KIND,
error: ts.Diagnostics.Argument_for_module_option_must_be_commonjs_or_amd
},
{
name: "noEmit",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_outputs
},
{
name: "noEmitOnError",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_outputs_if_any_type_checking_errors_were_reported
},
{
name: "noImplicitAny",
type: "boolean",
description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type
},
{
name: "noLib",
type: "boolean"
},
{
name: "noResolve",
type: "boolean"
},
{
name: "out",
type: "string",
description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file,
paramType: ts.Diagnostics.FILE
},
{
name: "outDir",
type: "string",
isFilePath: true,
description: ts.Diagnostics.Redirect_output_structure_to_the_directory,
paramType: ts.Diagnostics.DIRECTORY
},
{
name: "preserveConstEnums",
type: "boolean",
description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code
},
{
name: "project",
shortName: "p",
type: "string",
isFilePath: true,
description: ts.Diagnostics.Compile_the_project_in_the_given_directory,
paramType: ts.Diagnostics.DIRECTORY
},
{
name: "removeComments",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_comments_to_output
},
{
name: "separateCompilation",
type: "boolean"
},
{
name: "sourceMap",
type: "boolean",
description: ts.Diagnostics.Generates_corresponding_map_file
},
{
name: "sourceRoot",
type: "string",
isFilePath: true,
description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations,
paramType: ts.Diagnostics.LOCATION
},
{
name: "suppressImplicitAnyIndexErrors",
type: "boolean",
description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures
},
{
name: "stripInternal",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation,
experimental: true
},
{
name: "target",
shortName: "t",
type: {
"es3": 0,
"es5": 1,
"es6": 2
},
description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES6_experimental,
paramType: ts.Diagnostics.VERSION,
error: ts.Diagnostics.Argument_for_target_option_must_be_es3_es5_or_es6
},
{
name: "version",
shortName: "v",
type: "boolean",
description: ts.Diagnostics.Print_the_compiler_s_version
},
{
name: "watch",
shortName: "w",
type: "boolean",
description: ts.Diagnostics.Watch_input_files
}
];
function parseCommandLine(commandLine) {
var options = {};
var fileNames = [];
var errors = [];
var shortOptionNames = {};
var optionNameMap = {};
ts.forEach(ts.optionDeclarations, function (option) {
optionNameMap[option.name.toLowerCase()] = option;
if (option.shortName) {
shortOptionNames[option.shortName] = option.name;
}
});
parseStrings(commandLine);
return {
options: options,
fileNames: fileNames,
errors: errors
};
function parseStrings(args) {
var i = 0;
while (i < args.length) {
var s = args[i++];
if (s.charCodeAt(0) === 64) {
parseResponseFile(s.slice(1));
}
else if (s.charCodeAt(0) === 45) {
s = s.slice(s.charCodeAt(1) === 45 ? 2 : 1).toLowerCase();
if (ts.hasProperty(shortOptionNames, s)) {
s = shortOptionNames[s];
}
if (ts.hasProperty(optionNameMap, s)) {
var opt = optionNameMap[s];
if (!args[i] && opt.type !== "boolean") {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name));
}
switch (opt.type) {
case "number":
options[opt.name] = parseInt(args[i++]);
break;
case "boolean":
options[opt.name] = true;
break;
case "string":
options[opt.name] = args[i++] || "";
break;
default:
var map = opt.type;
var key = (args[i++] || "").toLowerCase();
if (ts.hasProperty(map, key)) {
options[opt.name] = map[key];
}
else {
errors.push(ts.createCompilerDiagnostic(opt.error));
}
}
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s));
}
}
else {
fileNames.push(s);
}
}
}
function parseResponseFile(fileName) {
var text = ts.sys.readFile(fileName);
if (!text) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName));
return;
}
var args = [];
var pos = 0;
while (true) {
while (pos < text.length && text.charCodeAt(pos) <= 32)
pos++;
if (pos >= text.length)
break;
var start = pos;
if (text.charCodeAt(start) === 34) {
pos++;
while (pos < text.length && text.charCodeAt(pos) !== 34)
pos++;
if (pos < text.length) {
args.push(text.substring(start + 1, pos));
pos++;
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName));
}
}
else {
while (text.charCodeAt(pos) > 32)
pos++;
args.push(text.substring(start, pos));
}
}
parseStrings(args);
}
}
ts.parseCommandLine = parseCommandLine;
function readConfigFile(fileName) {
try {
var text = ts.sys.readFile(fileName);
return /\S/.test(text) ? JSON.parse(text) : {};
}
catch (e) {
}
}
ts.readConfigFile = readConfigFile;
function parseConfigFile(json, basePath) {
var errors = [];
return {
options: getCompilerOptions(),
fileNames: getFiles(),
errors: errors
};
function getCompilerOptions() {
var options = {};
var optionNameMap = {};
ts.forEach(ts.optionDeclarations, function (option) {
optionNameMap[option.name] = option;
});
var jsonOptions = json["compilerOptions"];
if (jsonOptions) {
for (var id in jsonOptions) {
if (ts.hasProperty(optionNameMap, id)) {
var opt = optionNameMap[id];
var optType = opt.type;
var value = jsonOptions[id];
var expectedType = typeof optType === "string" ? optType : "string";
if (typeof value === expectedType) {
if (typeof optType !== "string") {
var key = value.toLowerCase();
if (ts.hasProperty(optType, key)) {
value = optType[key];
}
else {
errors.push(ts.createCompilerDiagnostic(opt.error));
value = 0;
}
}
if (opt.isFilePath) {
value = ts.normalizePath(ts.combinePaths(basePath, value));
}
options[opt.name] = value;
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, id, expectedType));
}
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, id));
}
}
}
return options;
}
function getFiles() {
var files = [];
if (ts.hasProperty(json, "files")) {
if (json["files"] instanceof Array) {
var files = ts.map(json["files"], function (s) {
return ts.combinePaths(basePath, s);
});
}
}
else {
var sysFiles = ts.sys.readDirectory(basePath, ".ts");
for (var i = 0; i < sysFiles.length; i++) {
var name = sysFiles[i];
if (!ts.fileExtensionIs(name, ".d.ts") || !ts.contains(sysFiles, name.substr(0, name.length - 5) + ".ts")) {
files.push(name);
}
}
}
return files;
}
}
ts.parseConfigFile = parseConfigFile;
})(ts || (ts = {}));
/// <reference path="program.ts"/>
/// <reference path="commandLineParser.ts"/>
var ts;
(function (ts) {
function validateLocaleAndSetLanguage(locale, errors) {
var matchResult = /^([a-z]+)([_\-]([a-z]+))?$/.exec(locale.toLowerCase());
if (!matchResult) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1, 'en', 'ja-jp'));
return false;
}
var language = matchResult[1];
var territory = matchResult[3];
if (!trySetLanguageAndTerritory(language, territory, errors) && !trySetLanguageAndTerritory(language, undefined, errors)) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_locale_0, locale));
return false;
}
return true;
}
function trySetLanguageAndTerritory(language, territory, errors) {
var compilerFilePath = ts.normalizePath(ts.sys.getExecutingFilePath());
var containingDirectoryPath = ts.getDirectoryPath(compilerFilePath);
var filePath = ts.combinePaths(containingDirectoryPath, language);
if (territory) {
filePath = filePath + "-" + territory;
}
filePath = ts.sys.resolvePath(ts.combinePaths(filePath, "diagnosticMessages.generated.json"));
if (!ts.sys.fileExists(filePath)) {
return false;
}
try {
var fileContents = ts.sys.readFile(filePath);
}
catch (e) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unable_to_open_file_0, filePath));
return false;
}
try {
ts.localizedDiagnosticMessages = JSON.parse(fileContents);
}
catch (e) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Corrupted_locale_file_0, filePath));
return false;
}
return true;
}
function countLines(program) {
var count = 0;
ts.forEach(program.getSourceFiles(), function (file) {
count += ts.getLineStarts(file).length;
});
return count;
}
function getDiagnosticText(message) {
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
var diagnostic = ts.createCompilerDiagnostic.apply(undefined, arguments);
return diagnostic.messageText;
}
function reportDiagnostic(diagnostic) {
var output = "";
if (diagnostic.file) {
var loc = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start);
output += diagnostic.file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + "): ";
}
var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase();
output += category + " TS" + diagnostic.code + ": " + ts.flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine) + ts.sys.newLine;
ts.sys.write(output);
}
function reportDiagnostics(diagnostics) {
for (var i = 0; i < diagnostics.length; i++) {
reportDiagnostic(diagnostics[i]);
}
}
function padLeft(s, length) {
while (s.length < length) {
s = " " + s;
}
return s;
}
function padRight(s, length) {
while (s.length < length) {
s = s + " ";
}
return s;
}
function reportStatisticalValue(name, value) {
ts.sys.write(padRight(name + ":", 12) + padLeft(value.toString(), 10) + ts.sys.newLine);
}
function reportCountStatistic(name, count) {
reportStatisticalValue(name, "" + count);
}
function reportTimeStatistic(name, time) {
reportStatisticalValue(name, (time / 1000).toFixed(2) + "s");
}
function isJSONSupported() {
return typeof JSON === "object" && typeof JSON.parse === "function";
}
function executeCommandLine(args) {
var commandLine = ts.parseCommandLine(args);
var configFileName;
var configFileWatcher;
var cachedProgram;
var rootFileNames;
var compilerOptions;
var compilerHost;
var hostGetSourceFile;
var timerHandle;
if (commandLine.options.locale) {
if (!isJSONSupported()) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--locale"));
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
validateLocaleAndSetLanguage(commandLine.options.locale, commandLine.errors);
}
if (commandLine.errors.length > 0) {
reportDiagnostics(commandLine.errors);
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
if (commandLine.options.version) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Version_0, ts.version));
return ts.sys.exit(ts.ExitStatus.Success);
}
if (commandLine.options.help) {
printVersion();
printHelp();
return ts.sys.exit(ts.ExitStatus.Success);
}
if (commandLine.options.project) {
if (!isJSONSupported()) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--project"));
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
configFileName = ts.normalizePath(ts.combinePaths(commandLine.options.project, "tsconfig.json"));
if (commandLine.fileNames.length !== 0) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Option_project_cannot_be_mixed_with_source_files_on_a_command_line));
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
}
else if (commandLine.fileNames.length === 0 && isJSONSupported()) {
var searchPath = ts.normalizePath(ts.sys.getCurrentDirectory());
configFileName = ts.findConfigFile(searchPath);
}
if (commandLine.fileNames.length === 0 && !configFileName) {
printVersion();
printHelp();
return ts.sys.exit(ts.ExitStatus.Success);
}
if (commandLine.options.watch) {
if (!ts.sys.watchFile) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--watch"));
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
if (configFileName) {
configFileWatcher = ts.sys.watchFile(configFileName, configFileChanged);
}
}
performCompilation();
function performCompilation() {
if (!cachedProgram) {
if (configFileName) {
var configObject = ts.readConfigFile(configFileName);
if (!configObject) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Unable_to_open_file_0, configFileName));
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
var configParseResult = ts.parseConfigFile(configObject, ts.getDirectoryPath(configFileName));
if (configParseResult.errors.length > 0) {
reportDiagnostics(configParseResult.errors);
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
rootFileNames = configParseResult.fileNames;
compilerOptions = ts.extend(commandLine.options, configParseResult.options);
}
else {
rootFileNames = commandLine.fileNames;
compilerOptions = commandLine.options;
}
compilerHost = ts.createCompilerHost(compilerOptions);
hostGetSourceFile = compilerHost.getSourceFile;
compilerHost.getSourceFile = getSourceFile;
}
var compileResult = compile(rootFileNames, compilerOptions, compilerHost);
if (!compilerOptions.watch) {
return ts.sys.exit(compileResult.exitStatus);
}
setCachedProgram(compileResult.program);
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Compilation_complete_Watching_for_file_changes));
}
function getSourceFile(fileName, languageVersion, onError) {
if (cachedProgram) {
var sourceFile = cachedProgram.getSourceFile(fileName);
if (sourceFile && sourceFile.fileWatcher) {
return sourceFile;
}
}
var sourceFile = hostGetSourceFile(fileName, languageVersion, onError);
if (sourceFile && compilerOptions.watch) {
sourceFile.fileWatcher = ts.sys.watchFile(sourceFile.fileName, function () {
return sourceFileChanged(sourceFile);
});
}
return sourceFile;
}
function setCachedProgram(program) {
if (cachedProgram) {
var newSourceFiles = program ? program.getSourceFiles() : undefined;
ts.forEach(cachedProgram.getSourceFiles(), function (sourceFile) {
if (!(newSourceFiles && ts.contains(newSourceFiles, sourceFile))) {
if (sourceFile.fileWatcher) {
sourceFile.fileWatcher.close();
sourceFile.fileWatcher = undefined;
}
}
});
}
cachedProgram = program;
}
function sourceFileChanged(sourceFile) {
sourceFile.fileWatcher.close();
sourceFile.fileWatcher = undefined;
startTimer();
}
function configFileChanged() {
setCachedProgram(undefined);
startTimer();
}
function startTimer() {
if (timerHandle) {
clearTimeout(timerHandle);
}
timerHandle = setTimeout(recompile, 250);
}
function recompile() {
timerHandle = undefined;
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.File_change_detected_Starting_incremental_compilation));
performCompilation();
}
}
ts.executeCommandLine = executeCommandLine;
function compile(fileNames, compilerOptions, compilerHost) {
ts.ioReadTime = 0;
ts.ioWriteTime = 0;
ts.programTime = 0;
ts.bindTime = 0;
ts.checkTime = 0;
ts.emitTime = 0;
var program = ts.createProgram(fileNames, compilerOptions, compilerHost);
var exitStatus = compileProgram();
if (compilerOptions.listFiles) {
ts.forEach(program.getSourceFiles(), function (file) {
ts.sys.write(file.fileName + ts.sys.newLine);
});
}
if (compilerOptions.diagnostics) {
var memoryUsed = ts.sys.getMemoryUsage ? ts.sys.getMemoryUsage() : -1;
reportCountStatistic("Files", program.getSourceFiles().length);
reportCountStatistic("Lines", countLines(program));
reportCountStatistic("Nodes", program.getNodeCount());
reportCountStatistic("Identifiers", program.getIdentifierCount());
reportCountStatistic("Symbols", program.getSymbolCount());
reportCountStatistic("Types", program.getTypeCount());
if (memoryUsed >= 0) {
reportStatisticalValue("Memory used", Math.round(memoryUsed / 1000) + "K");
}
reportTimeStatistic("I/O read", ts.ioReadTime);
reportTimeStatistic("I/O write", ts.ioWriteTime);
reportTimeStatistic("Parse time", ts.programTime);
reportTimeStatistic("Bind time", ts.bindTime);
reportTimeStatistic("Check time", ts.checkTime);
reportTimeStatistic("Emit time", ts.emitTime);
reportTimeStatistic("Total time", ts.programTime + ts.bindTime + ts.checkTime + ts.emitTime);
}
return {
program: program,
exitStatus: exitStatus
};
function compileProgram() {
var diagnostics = program.getSyntacticDiagnostics();
reportDiagnostics(diagnostics);
if (diagnostics.length === 0) {
var diagnostics = program.getGlobalDiagnostics();
reportDiagnostics(diagnostics);
if (diagnostics.length === 0) {
var diagnostics = program.getSemanticDiagnostics();
reportDiagnostics(diagnostics);
}
}
if (compilerOptions.noEmit) {
return diagnostics.length ? ts.ExitStatus.DiagnosticsPresent_OutputsSkipped : ts.ExitStatus.Success;
}
var emitOutput = program.emit();
reportDiagnostics(emitOutput.diagnostics);
if (emitOutput.emitSkipped) {
return ts.ExitStatus.DiagnosticsPresent_OutputsSkipped;
}
if (diagnostics.length > 0 || emitOutput.diagnostics.length > 0) {
return ts.ExitStatus.DiagnosticsPresent_OutputsGenerated;
}
return ts.ExitStatus.Success;
}
}
function printVersion() {
ts.sys.write(getDiagnosticText(ts.Diagnostics.Version_0, ts.version) + ts.sys.newLine);
}
function printHelp() {
var output = "";
var syntaxLength = getDiagnosticText(ts.Diagnostics.Syntax_Colon_0, "").length;
var examplesLength = getDiagnosticText(ts.Diagnostics.Examples_Colon_0, "").length;
var marginLength = Math.max(syntaxLength, examplesLength);
var syntax = makePadding(marginLength - syntaxLength);
syntax += "tsc [" + getDiagnosticText(ts.Diagnostics.options) + "] [" + getDiagnosticText(ts.Diagnostics.file) + " ...]";
output += getDiagnosticText(ts.Diagnostics.Syntax_Colon_0, syntax);
output += ts.sys.newLine + ts.sys.newLine;
var padding = makePadding(marginLength);
output += getDiagnosticText(ts.Diagnostics.Examples_Colon_0, makePadding(marginLength - examplesLength) + "tsc hello.ts") + ts.sys.newLine;
output += padding + "tsc --out file.js file.ts" + ts.sys.newLine;
output += padding + "tsc @args.txt" + ts.sys.newLine;
output += ts.sys.newLine;
output += getDiagnosticText(ts.Diagnostics.Options_Colon) + ts.sys.newLine;
var optsList = ts.filter(ts.optionDeclarations.slice(), function (v) {
return !v.experimental;
});
optsList.sort(function (a, b) {
return ts.compareValues(a.name.toLowerCase(), b.name.toLowerCase());
});
var marginLength = 0;
var usageColumn = [];
var descriptionColumn = [];
for (var i = 0; i < optsList.length; i++) {
var option = optsList[i];
if (!option.description) {
continue;
}
var usageText = " ";
if (option.shortName) {
usageText += "-" + option.shortName;
usageText += getParamType(option);
usageText += ", ";
}
usageText += "--" + option.name;
usageText += getParamType(option);
usageColumn.push(usageText);
descriptionColumn.push(getDiagnosticText(option.description));
marginLength = Math.max(usageText.length, marginLength);
}
var usageText = " @<" + getDiagnosticText(ts.Diagnostics.file) + ">";
usageColumn.push(usageText);
descriptionColumn.push(getDiagnosticText(ts.Diagnostics.Insert_command_line_options_and_files_from_a_file));
marginLength = Math.max(usageText.length, marginLength);
for (var i = 0; i < usageColumn.length; i++) {
var usage = usageColumn[i];
var description = descriptionColumn[i];
output += usage + makePadding(marginLength - usage.length + 2) + description + ts.sys.newLine;
}
ts.sys.write(output);
return;
function getParamType(option) {
if (option.paramType !== undefined) {
return " " + getDiagnosticText(option.paramType);
}
return "";
}
function makePadding(paddingLength) {
return Array(paddingLength + 1).join(" ");
}
}
})(ts || (ts = {}));
ts.executeCommandLine(ts.sys.args);
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