TypeScript/src/server/session.ts
2015-07-16 15:45:31 -07:00

1048 lines
47 KiB
TypeScript

/// <reference path="..\compiler\commandLineParser.ts" />
/// <reference path="..\services\services.ts" />
/// <reference path="protocol.d.ts" />
/// <reference path="editorServices.ts" />
namespace ts.server {
var spaceCache:string[] = [];
interface StackTraceError extends Error {
stack?: string;
}
export function generateSpaces(n: number): string {
if (!spaceCache[n]) {
var strBuilder = "";
for (var i = 0; i < n; i++) {
strBuilder += " ";
}
spaceCache[n] = strBuilder;
}
return spaceCache[n];
}
interface FileStart {
file: string;
start: ILineInfo;
}
function compareNumber(a: number, b: number) {
if (a < b) {
return -1;
}
else if (a === b) {
return 0;
}
else return 1;
}
function compareFileStart(a: FileStart, b: FileStart) {
if (a.file < b.file) {
return -1;
}
else if (a.file == b.file) {
var n = compareNumber(a.start.line, b.start.line);
if (n === 0) {
return compareNumber(a.start.offset, b.start.offset);
}
else return n;
}
else {
return 1;
}
}
function formatDiag(fileName: string, project: Project, diag: ts.Diagnostic) {
return {
start: project.compilerService.host.positionToLineOffset(fileName, diag.start),
end: project.compilerService.host.positionToLineOffset(fileName, diag.start + diag.length),
text: ts.flattenDiagnosticMessageText(diag.messageText, "\n")
};
}
export interface PendingErrorCheck {
fileName: string;
project: Project;
}
function allEditsBeforePos(edits: ts.TextChange[], pos: number) {
for (var i = 0, len = edits.length; i < len; i++) {
if (ts.textSpanEnd(edits[i].span) >= pos) {
return false;
}
}
return true;
}
export module CommandNames {
export const Brace = "brace";
export const Change = "change";
export const Close = "close";
export const Completions = "completions";
export const CompletionDetails = "completionEntryDetails";
export const Configure = "configure";
export const Definition = "definition";
export const Exit = "exit";
export const Format = "format";
export const Formatonkey = "formatonkey";
export const Geterr = "geterr";
export const GeterrForProject = "geterrForProject";
export const NavBar = "navbar";
export const Navto = "navto";
export const Occurrences = "occurrences";
export const Open = "open";
export const Quickinfo = "quickinfo";
export const References = "references";
export const Reload = "reload";
export const Rename = "rename";
export const Saveto = "saveto";
export const SignatureHelp = "signatureHelp";
export const TypeDefinition = "typeDefinition";
export const ProjectInfo = "projectInfo";
export const Unknown = "unknown";
}
module Errors {
export var NoProject = new Error("No Project.");
}
export interface ServerHost extends ts.System {
}
export class Session {
projectService: ProjectService;
pendingOperation = false;
fileHash: ts.Map<number> = {};
nextFileId = 1;
errorTimer: any; /*NodeJS.Timer | number*/
immediateId: any;
changeSeq = 0;
constructor(
private host: ServerHost,
private byteLength: (buf: string, encoding?: string) => number,
private hrtime: (start?: number[]) => number[],
private logger: Logger
) {
this.projectService =
new ProjectService(host, logger, (eventName,project,fileName) => {
this.handleEvent(eventName, project, fileName);
});
}
handleEvent(eventName: string, project: Project, fileName: string) {
if (eventName == "context") {
this.projectService.log("got context event, updating diagnostics for" + fileName, "Info");
this.updateErrorCheck([{ fileName, project }], this.changeSeq,
(n) => n === this.changeSeq, 100);
}
}
logError(err: Error, cmd: string) {
var typedErr = <StackTraceError>err;
var msg = "Exception on executing command " + cmd;
if (typedErr.message) {
msg += ":\n" + typedErr.message;
if (typedErr.stack) {
msg += "\n" + typedErr.stack;
}
}
this.projectService.log(msg);
}
sendLineToClient(line: string) {
this.host.write(line + this.host.newLine);
}
send(msg: protocol.Message) {
var json = JSON.stringify(msg);
if (this.logger.isVerbose()) {
this.logger.info(msg.type + ": " + json);
}
this.sendLineToClient('Content-Length: ' + (1 + this.byteLength(json, 'utf8')) +
'\r\n\r\n' + json);
}
event(info: any, eventName: string) {
var ev: protocol.Event = {
seq: 0,
type: "event",
event: eventName,
body: info,
};
this.send(ev);
}
response(info: any, cmdName: string, reqSeq = 0, errorMsg?: string) {
var res: protocol.Response = {
seq: 0,
type: "response",
command: cmdName,
request_seq: reqSeq,
success: !errorMsg,
}
if (!errorMsg) {
res.body = info;
}
else {
res.message = errorMsg;
}
this.send(res);
}
output(body: any, commandName: string, requestSequence = 0, errorMessage?: string) {
this.response(body, commandName, requestSequence, errorMessage);
}
semanticCheck(file: string, project: Project) {
try {
var diags = project.compilerService.languageService.getSemanticDiagnostics(file);
if (diags) {
var bakedDiags = diags.map((diag) => formatDiag(file, project, diag));
this.event({ file: file, diagnostics: bakedDiags }, "semanticDiag");
}
}
catch (err) {
this.logError(err, "semantic check");
}
}
syntacticCheck(file: string, project: Project) {
try {
var diags = project.compilerService.languageService.getSyntacticDiagnostics(file);
if (diags) {
var bakedDiags = diags.map((diag) => formatDiag(file, project, diag));
this.event({ file: file, diagnostics: bakedDiags }, "syntaxDiag");
}
}
catch (err) {
this.logError(err, "syntactic check");
}
}
errorCheck(file: string, project: Project) {
this.syntacticCheck(file, project);
this.semanticCheck(file, project);
}
updateProjectStructure(seq: number, matchSeq: (seq: number) => boolean, ms = 1500) {
setTimeout(() => {
if (matchSeq(seq)) {
this.projectService.updateProjectStructure();
}
}, ms);
}
updateErrorCheck(checkList: PendingErrorCheck[], seq: number,
matchSeq: (seq: number) => boolean, ms = 1500, followMs = 200, requireOpen = true) {
if (followMs > ms) {
followMs = ms;
}
if (this.errorTimer) {
clearTimeout(this.errorTimer);
}
if (this.immediateId) {
clearImmediate(this.immediateId);
this.immediateId = undefined;
}
var index = 0;
var checkOne = () => {
if (matchSeq(seq)) {
var checkSpec = checkList[index++];
if (checkSpec.project.getSourceFileFromName(checkSpec.fileName, requireOpen)) {
this.syntacticCheck(checkSpec.fileName, checkSpec.project);
this.immediateId = setImmediate(() => {
this.semanticCheck(checkSpec.fileName, checkSpec.project);
this.immediateId = undefined;
if (checkList.length > index) {
this.errorTimer = setTimeout(checkOne, followMs);
}
else {
this.errorTimer = undefined;
}
});
}
}
}
if ((checkList.length > index) && (matchSeq(seq))) {
this.errorTimer = setTimeout(checkOne, ms);
}
}
getDefinition(line: number, offset: number, fileName: string): protocol.FileSpan[] {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var position = compilerService.host.lineOffsetToPosition(file, line, offset);
var definitions = compilerService.languageService.getDefinitionAtPosition(file, position);
if (!definitions) {
return undefined;
}
return definitions.map(def => ({
file: def.fileName,
start: compilerService.host.positionToLineOffset(def.fileName, def.textSpan.start),
end: compilerService.host.positionToLineOffset(def.fileName, ts.textSpanEnd(def.textSpan))
}));
}
getTypeDefinition(line: number, offset: number, fileName: string): protocol.FileSpan[] {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var position = compilerService.host.lineOffsetToPosition(file, line, offset);
var definitions = compilerService.languageService.getTypeDefinitionAtPosition(file, position);
if (!definitions) {
return undefined;
}
return definitions.map(def => ({
file: def.fileName,
start: compilerService.host.positionToLineOffset(def.fileName, def.textSpan.start),
end: compilerService.host.positionToLineOffset(def.fileName, ts.textSpanEnd(def.textSpan))
}));
}
getOccurrences(line: number, offset: number, fileName: string): protocol.OccurrencesResponseItem[]{
fileName = ts.normalizePath(fileName);
let project = this.projectService.getProjectForFile(fileName);
if (!project) {
throw Errors.NoProject;
}
let { compilerService } = project;
let position = compilerService.host.lineOffsetToPosition(fileName, line, offset);
let occurrences = compilerService.languageService.getOccurrencesAtPosition(fileName, position);
if (!occurrences) {
return undefined;
}
return occurrences.map(occurrence => {
let { fileName, isWriteAccess, textSpan } = occurrence;
let start = compilerService.host.positionToLineOffset(fileName, textSpan.start);
let end = compilerService.host.positionToLineOffset(fileName, ts.textSpanEnd(textSpan));
return {
start,
end,
file: fileName,
isWriteAccess
}
});
}
getProjectInfo(fileName: string, needFileNameList: boolean): protocol.ProjectInfo {
fileName = ts.normalizePath(fileName);
let project = this.projectService.getProjectForFile(fileName);
let projectInfo: protocol.ProjectInfo = {
configFileName: project.projectFilename
}
if (needFileNameList) {
projectInfo.fileNames = project.getFileNames();
}
return projectInfo;
}
getRenameLocations(line: number, offset: number, fileName: string,findInComments: boolean, findInStrings: boolean): protocol.RenameResponseBody {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var position = compilerService.host.lineOffsetToPosition(file, line, offset);
var renameInfo = compilerService.languageService.getRenameInfo(file, position);
if (!renameInfo) {
return undefined;
}
if (!renameInfo.canRename) {
return {
info: renameInfo,
locs: []
};
}
var renameLocations = compilerService.languageService.findRenameLocations(file, position, findInStrings, findInComments);
if (!renameLocations) {
return undefined;
}
var bakedRenameLocs = renameLocations.map(location => (<protocol.FileSpan>{
file: location.fileName,
start: compilerService.host.positionToLineOffset(location.fileName, location.textSpan.start),
end: compilerService.host.positionToLineOffset(location.fileName, ts.textSpanEnd(location.textSpan)),
})).sort((a, b) => {
if (a.file < b.file) {
return -1;
}
else if (a.file > b.file) {
return 1;
}
else {
// reverse sort assuming no overlap
if (a.start.line < b.start.line) {
return 1;
}
else if (a.start.line > b.start.line) {
return -1;
}
else {
return b.start.offset - a.start.offset;
}
}
}).reduce<protocol.SpanGroup[]>((accum: protocol.SpanGroup[], cur: protocol.FileSpan) => {
var curFileAccum: protocol.SpanGroup;
if (accum.length > 0) {
curFileAccum = accum[accum.length - 1];
if (curFileAccum.file != cur.file) {
curFileAccum = undefined;
}
}
if (!curFileAccum) {
curFileAccum = { file: cur.file, locs: [] };
accum.push(curFileAccum);
}
curFileAccum.locs.push({ start: cur.start, end: cur.end });
return accum;
}, []);
return { info: renameInfo, locs: bakedRenameLocs };
}
getReferences(line: number, offset: number, fileName: string): protocol.ReferencesResponseBody {
// TODO: get all projects for this file; report refs for all projects deleting duplicates
// can avoid duplicates by eliminating same ref file from subsequent projects
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var position = compilerService.host.lineOffsetToPosition(file, line, offset);
var references = compilerService.languageService.getReferencesAtPosition(file, position);
if (!references) {
return undefined;
}
var nameInfo = compilerService.languageService.getQuickInfoAtPosition(file, position);
if (!nameInfo) {
return undefined;
}
var displayString = ts.displayPartsToString(nameInfo.displayParts);
var nameSpan = nameInfo.textSpan;
var nameColStart = compilerService.host.positionToLineOffset(file, nameSpan.start).offset;
var nameText = compilerService.host.getScriptSnapshot(file).getText(nameSpan.start, ts.textSpanEnd(nameSpan));
var bakedRefs: protocol.ReferencesResponseItem[] = references.map(ref => {
var start = compilerService.host.positionToLineOffset(ref.fileName, ref.textSpan.start);
var refLineSpan = compilerService.host.lineToTextSpan(ref.fileName, start.line - 1);
var snap = compilerService.host.getScriptSnapshot(ref.fileName);
var lineText = snap.getText(refLineSpan.start, ts.textSpanEnd(refLineSpan)).replace(/\r|\n/g, "");
return {
file: ref.fileName,
start: start,
lineText: lineText,
end: compilerService.host.positionToLineOffset(ref.fileName, ts.textSpanEnd(ref.textSpan)),
isWriteAccess: ref.isWriteAccess
};
}).sort(compareFileStart);
return {
refs: bakedRefs,
symbolName: nameText,
symbolStartOffset: nameColStart,
symbolDisplayString: displayString
};
}
openClientFile(fileName: string) {
var file = ts.normalizePath(fileName);
this.projectService.openClientFile(file);
}
getQuickInfo(line: number, offset: number, fileName: string): protocol.QuickInfoResponseBody {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var position = compilerService.host.lineOffsetToPosition(file, line, offset);
var quickInfo = compilerService.languageService.getQuickInfoAtPosition(file, position);
if (!quickInfo) {
return undefined;
}
var displayString = ts.displayPartsToString(quickInfo.displayParts);
var docString = ts.displayPartsToString(quickInfo.documentation);
return {
kind: quickInfo.kind,
kindModifiers: quickInfo.kindModifiers,
start: compilerService.host.positionToLineOffset(file, quickInfo.textSpan.start),
end: compilerService.host.positionToLineOffset(file, ts.textSpanEnd(quickInfo.textSpan)),
displayString: displayString,
documentation: docString,
};
}
getFormattingEditsForRange(line: number, offset: number, endLine: number, endOffset: number, fileName: string): protocol.CodeEdit[] {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var startPosition = compilerService.host.lineOffsetToPosition(file, line, offset);
var endPosition = compilerService.host.lineOffsetToPosition(file, endLine, endOffset);
// TODO: avoid duplicate code (with formatonkey)
var edits = compilerService.languageService.getFormattingEditsForRange(file, startPosition, endPosition,
this.projectService.getFormatCodeOptions(file));
if (!edits) {
return undefined;
}
return edits.map((edit) => {
return {
start: compilerService.host.positionToLineOffset(file, edit.span.start),
end: compilerService.host.positionToLineOffset(file, ts.textSpanEnd(edit.span)),
newText: edit.newText ? edit.newText : ""
};
});
}
getFormattingEditsAfterKeystroke(line: number, offset: number, key: string, fileName: string): protocol.CodeEdit[] {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var position = compilerService.host.lineOffsetToPosition(file, line, offset);
var formatOptions = this.projectService.getFormatCodeOptions(file);
var edits = compilerService.languageService.getFormattingEditsAfterKeystroke(file, position, key,
formatOptions);
// Check whether we should auto-indent. This will be when
// the position is on a line containing only whitespace.
// This should leave the edits returned from
// getFormattingEditsAfterKeytroke either empty or pertaining
// only to the previous line. If all this is true, then
// add edits necessary to properly indent the current line.
if ((key == "\n") && ((!edits) || (edits.length === 0) || allEditsBeforePos(edits, position))) {
var scriptInfo = compilerService.host.getScriptInfo(file);
if (scriptInfo) {
var lineInfo = scriptInfo.getLineInfo(line);
if (lineInfo && (lineInfo.leaf) && (lineInfo.leaf.text)) {
var lineText = lineInfo.leaf.text;
if (lineText.search("\\S") < 0) {
// TODO: get these options from host
var editorOptions: ts.EditorOptions = {
IndentSize: formatOptions.IndentSize,
TabSize: formatOptions.TabSize,
NewLineCharacter: "\n",
ConvertTabsToSpaces: formatOptions.ConvertTabsToSpaces,
};
var indentPosition =
compilerService.languageService.getIndentationAtPosition(file, position, editorOptions);
for (var i = 0, len = lineText.length; i < len; i++) {
if (lineText.charAt(i) == " ") {
indentPosition--;
}
else if (lineText.charAt(i) == "\t") {
indentPosition -= editorOptions.IndentSize;
}
else {
break;
}
}
if (indentPosition > 0) {
var spaces = generateSpaces(indentPosition);
edits.push({ span: ts.createTextSpanFromBounds(position, position), newText: spaces });
}
else if (indentPosition < 0) {
edits.push({
span: ts.createTextSpanFromBounds(position, position - indentPosition),
newText: ""
});
}
}
}
}
}
if (!edits) {
return undefined;
}
return edits.map((edit) => {
return {
start: compilerService.host.positionToLineOffset(file,
edit.span.start),
end: compilerService.host.positionToLineOffset(file,
ts.textSpanEnd(edit.span)),
newText: edit.newText ? edit.newText : ""
};
});
}
getCompletions(line: number, offset: number, prefix: string, fileName: string): protocol.CompletionEntry[] {
if (!prefix) {
prefix = "";
}
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var position = compilerService.host.lineOffsetToPosition(file, line, offset);
var completions = compilerService.languageService.getCompletionsAtPosition(file, position);
if (!completions) {
return undefined;
}
return completions.entries.reduce((result: protocol.CompletionEntry[], entry: ts.CompletionEntry) => {
if (completions.isMemberCompletion || (entry.name.toLowerCase().indexOf(prefix.toLowerCase()) === 0)) {
result.push(entry);
}
return result;
}, []).sort((a, b) => a.name.localeCompare(b.name));
}
getCompletionEntryDetails(line: number, offset: number,
entryNames: string[], fileName: string): protocol.CompletionEntryDetails[] {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var position = compilerService.host.lineOffsetToPosition(file, line, offset);
return entryNames.reduce((accum: protocol.CompletionEntryDetails[], entryName: string) => {
var details = compilerService.languageService.getCompletionEntryDetails(file, position, entryName);
if (details) {
accum.push(details);
}
return accum;
}, []);
}
getSignatureHelpItems(line: number, offset: number, fileName: string): protocol.SignatureHelpItems {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var position = compilerService.host.lineOffsetToPosition(file, line, offset);
var helpItems = compilerService.languageService.getSignatureHelpItems(file, position);
if (!helpItems) {
return undefined;
}
var span = helpItems.applicableSpan;
var result: protocol.SignatureHelpItems = {
items: helpItems.items,
applicableSpan: {
start: compilerService.host.positionToLineOffset(file, span.start),
end: compilerService.host.positionToLineOffset(file, span.start + span.length)
},
selectedItemIndex: helpItems.selectedItemIndex,
argumentIndex: helpItems.argumentIndex,
argumentCount: helpItems.argumentCount,
}
return result;
}
getDiagnostics(delay: number, fileNames: string[]) {
var checkList = fileNames.reduce((accum: PendingErrorCheck[], fileName: string) => {
fileName = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(fileName);
if (project) {
accum.push({ fileName, project });
}
return accum;
}, []);
if (checkList.length > 0) {
this.updateErrorCheck(checkList, this.changeSeq,(n) => n === this.changeSeq, delay)
}
}
change(line: number, offset: number, endLine: number, endOffset: number, insertString: string, fileName: string) {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (project) {
var compilerService = project.compilerService;
var start = compilerService.host.lineOffsetToPosition(file, line, offset);
var end = compilerService.host.lineOffsetToPosition(file, endLine, endOffset);
if (start >= 0) {
compilerService.host.editScript(file, start, end, insertString);
this.changeSeq++;
}
this.updateProjectStructure(this.changeSeq, (n) => n === this.changeSeq);
}
}
reload(fileName: string, tempFileName: string, reqSeq = 0) {
var file = ts.normalizePath(fileName);
var tmpfile = ts.normalizePath(tempFileName);
var project = this.projectService.getProjectForFile(file);
if (project) {
this.changeSeq++;
// make sure no changes happen before this one is finished
project.compilerService.host.reloadScript(file, tmpfile, () => {
this.output(undefined, CommandNames.Reload, reqSeq);
});
}
}
saveToTmp(fileName: string, tempFileName: string) {
var file = ts.normalizePath(fileName);
var tmpfile = ts.normalizePath(tempFileName);
var project = this.projectService.getProjectForFile(file);
if (project) {
project.compilerService.host.saveTo(file, tmpfile);
}
}
closeClientFile(fileName: string) {
var file = ts.normalizePath(fileName);
this.projectService.closeClientFile(file);
}
decorateNavigationBarItem(project: Project, fileName: string, items: ts.NavigationBarItem[]): protocol.NavigationBarItem[] {
if (!items) {
return undefined;
}
var compilerService = project.compilerService;
return items.map(item => ({
text: item.text,
kind: item.kind,
kindModifiers: item.kindModifiers,
spans: item.spans.map(span => ({
start: compilerService.host.positionToLineOffset(fileName, span.start),
end: compilerService.host.positionToLineOffset(fileName, ts.textSpanEnd(span))
})),
childItems: this.decorateNavigationBarItem(project, fileName, item.childItems)
}));
}
getNavigationBarItems(fileName: string): protocol.NavigationBarItem[] {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var items = compilerService.languageService.getNavigationBarItems(file);
if (!items) {
return undefined;
}
return this.decorateNavigationBarItem(project, fileName, items);
}
getNavigateToItems(searchValue: string, fileName: string, maxResultCount?: number): protocol.NavtoItem[] {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var navItems = compilerService.languageService.getNavigateToItems(searchValue, maxResultCount);
if (!navItems) {
return undefined;
}
return navItems.map((navItem) => {
var start = compilerService.host.positionToLineOffset(navItem.fileName, navItem.textSpan.start);
var end = compilerService.host.positionToLineOffset(navItem.fileName, ts.textSpanEnd(navItem.textSpan));
var bakedItem: protocol.NavtoItem = {
name: navItem.name,
kind: navItem.kind,
file: navItem.fileName,
start: start,
end: end,
};
if (navItem.kindModifiers && (navItem.kindModifiers != "")) {
bakedItem.kindModifiers = navItem.kindModifiers;
}
if (navItem.matchKind != 'none') {
bakedItem.matchKind = navItem.matchKind;
}
if (navItem.containerName && (navItem.containerName.length > 0)) {
bakedItem.containerName = navItem.containerName;
}
if (navItem.containerKind && (navItem.containerKind.length > 0)) {
bakedItem.containerKind = navItem.containerKind;
}
return bakedItem;
});
}
getBraceMatching(line: number, offset: number, fileName: string): protocol.TextSpan[] {
var file = ts.normalizePath(fileName);
var project = this.projectService.getProjectForFile(file);
if (!project) {
throw Errors.NoProject;
}
var compilerService = project.compilerService;
var position = compilerService.host.lineOffsetToPosition(file, line, offset);
var spans = compilerService.languageService.getBraceMatchingAtPosition(file, position);
if (!spans) {
return undefined;
}
return spans.map(span => ({
start: compilerService.host.positionToLineOffset(file, span.start),
end: compilerService.host.positionToLineOffset(file, span.start + span.length)
}));
}
getDiagnosticsForProject(delay: number, fileName: string) {
let { configFileName, fileNames: fileNamesInProject } = this.getProjectInfo(fileName, true);
// No need to analyze lib.d.ts
fileNamesInProject = fileNamesInProject.filter((value, index, array) => value.indexOf("lib.d.ts") < 0);
// Sort the file name list to make the recently touched files come first
let highPriorityFiles: string[] = [];
let mediumPriorityFiles: string[] = [];
let lowPriorityFiles: string[] = [];
let veryLowPriorityFiles: string[] = [];
let normalizedFileName = ts.normalizePath(fileName);
let project = this.projectService.getProjectForFile(normalizedFileName);
for (let fileNameInProject of fileNamesInProject) {
if (this.getCanonicalFileName(fileNameInProject) == this.getCanonicalFileName(fileName))
highPriorityFiles.push(fileNameInProject);
else {
let info = this.projectService.getScriptInfo(fileNameInProject);
if (!info.isOpen) {
if (fileNameInProject.indexOf(".d.ts") > 0)
veryLowPriorityFiles.push(fileNameInProject);
else
lowPriorityFiles.push(fileNameInProject);
}
else
mediumPriorityFiles.push(fileNameInProject);
}
}
fileNamesInProject = highPriorityFiles.concat(mediumPriorityFiles).concat(lowPriorityFiles).concat(veryLowPriorityFiles);
if (fileNamesInProject.length > 0) {
let checkList = fileNamesInProject.map<PendingErrorCheck>((fileName: string) => {
let normalizedFileName = ts.normalizePath(fileName);
return { fileName: normalizedFileName, project };
});
this.updateErrorCheck(checkList, this.changeSeq, (n) => n == this.changeSeq, delay, 200, false);
}
}
getCanonicalFileName(fileName: string) {
let name = this.host.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase();
return ts.normalizePath(name);
}
exit() {
}
private handlers : Map<(request: protocol.Request) => {response?: any, responseRequired?: boolean}> = {
[CommandNames.Exit]: () => {
this.exit();
return {};
},
[CommandNames.Definition]: (request: protocol.Request) => {
var defArgs = <protocol.FileLocationRequestArgs>request.arguments;
return {response: this.getDefinition(defArgs.line, defArgs.offset, defArgs.file)};
},
[CommandNames.TypeDefinition]: (request: protocol.Request) => {
var defArgs = <protocol.FileLocationRequestArgs>request.arguments;
return {response: this.getTypeDefinition(defArgs.line, defArgs.offset, defArgs.file)};
},
[CommandNames.References]: (request: protocol.Request) => {
var defArgs = <protocol.FileLocationRequestArgs>request.arguments;
return {response: this.getReferences(defArgs.line, defArgs.offset, defArgs.file)};
},
[CommandNames.Rename]: (request: protocol.Request) => {
var renameArgs = <protocol.RenameRequestArgs>request.arguments;
return {response: this.getRenameLocations(renameArgs.line, renameArgs.offset, renameArgs.file, renameArgs.findInComments, renameArgs.findInStrings)}
},
[CommandNames.Open]: (request: protocol.Request) => {
var openArgs = <protocol.OpenRequestArgs>request.arguments;
this.openClientFile(openArgs.file);
return {}
},
[CommandNames.Quickinfo]: (request: protocol.Request) => {
var quickinfoArgs = <protocol.FileLocationRequestArgs>request.arguments;
return {response: this.getQuickInfo(quickinfoArgs.line, quickinfoArgs.offset, quickinfoArgs.file)};
},
[CommandNames.Format]: (request: protocol.Request) => {
var formatArgs = <protocol.FormatRequestArgs>request.arguments;
return {response: this.getFormattingEditsForRange(formatArgs.line, formatArgs.offset, formatArgs.endLine, formatArgs.endOffset, formatArgs.file)};
},
[CommandNames.Formatonkey]: (request: protocol.Request) => {
var formatOnKeyArgs = <protocol.FormatOnKeyRequestArgs>request.arguments;
return {response: this.getFormattingEditsAfterKeystroke(formatOnKeyArgs.line, formatOnKeyArgs.offset, formatOnKeyArgs.key, formatOnKeyArgs.file)};
},
[CommandNames.Completions]: (request: protocol.Request) => {
var completionsArgs = <protocol.CompletionsRequestArgs>request.arguments;
return {response: this.getCompletions(completionsArgs.line, completionsArgs.offset, completionsArgs.prefix, completionsArgs.file)}
},
[CommandNames.CompletionDetails]: (request: protocol.Request) => {
var completionDetailsArgs = <protocol.CompletionDetailsRequestArgs>request.arguments;
return {response: this.getCompletionEntryDetails(completionDetailsArgs.line,completionDetailsArgs.offset,
completionDetailsArgs.entryNames,completionDetailsArgs.file)}
},
[CommandNames.SignatureHelp]: (request: protocol.Request) => {
var signatureHelpArgs = <protocol.SignatureHelpRequestArgs>request.arguments;
return {response: this.getSignatureHelpItems(signatureHelpArgs.line, signatureHelpArgs.offset, signatureHelpArgs.file)}
},
[CommandNames.Geterr]: (request: protocol.Request) => {
var geterrArgs = <protocol.GeterrRequestArgs>request.arguments;
return {response: this.getDiagnostics(geterrArgs.delay, geterrArgs.files), responseRequired: false};
},
[CommandNames.GeterrForProject]: (request: protocol.Request) => {
let { file, delay } = <protocol.GeterrForProjectRequestArgs>request.arguments;
return {response: this.getDiagnosticsForProject(delay, file), responseRequired: false};
},
[CommandNames.Change]: (request: protocol.Request) => {
var changeArgs = <protocol.ChangeRequestArgs>request.arguments;
this.change(changeArgs.line, changeArgs.offset, changeArgs.endLine, changeArgs.endOffset,
changeArgs.insertString, changeArgs.file);
return {responseRequired: false}
},
[CommandNames.Configure]: (request: protocol.Request) => {
var configureArgs = <protocol.ConfigureRequestArguments>request.arguments;
this.projectService.setHostConfiguration(configureArgs);
this.output(undefined, CommandNames.Configure, request.seq);
return {responseRequired: false}
},
[CommandNames.Reload]: (request: protocol.Request) => {
var reloadArgs = <protocol.ReloadRequestArgs>request.arguments;
this.reload(reloadArgs.file, reloadArgs.tmpfile, request.seq);
return {responseRequired: false}
},
[CommandNames.Saveto]: (request: protocol.Request) => {
var savetoArgs = <protocol.SavetoRequestArgs>request.arguments;
this.saveToTmp(savetoArgs.file, savetoArgs.tmpfile);
return {responseRequired: false}
},
[CommandNames.Close]: (request: protocol.Request) => {
var closeArgs = <protocol.FileRequestArgs>request.arguments;
this.closeClientFile(closeArgs.file);
return {responseRequired: false};
},
[CommandNames.Navto]: (request: protocol.Request) => {
var navtoArgs = <protocol.NavtoRequestArgs>request.arguments;
return {response: this.getNavigateToItems(navtoArgs.searchValue, navtoArgs.file, navtoArgs.maxResultCount)};
},
[CommandNames.Brace]: (request: protocol.Request) => {
var braceArguments = <protocol.FileLocationRequestArgs>request.arguments;
return {response: this.getBraceMatching(braceArguments.line, braceArguments.offset, braceArguments.file)};
},
[CommandNames.NavBar]: (request: protocol.Request) => {
var navBarArgs = <protocol.FileRequestArgs>request.arguments;
return {response: this.getNavigationBarItems(navBarArgs.file)};
},
[CommandNames.Occurrences]: (request: protocol.Request) => {
var { line, offset, file: fileName } = <protocol.FileLocationRequestArgs>request.arguments;
return {response: this.getOccurrences(line, offset, fileName)};
},
[CommandNames.ProjectInfo]: (request: protocol.Request) => {
var { file, needFileNameList } = <protocol.ProjectInfoRequestArgs>request.arguments;
return {response: this.getProjectInfo(file, needFileNameList)};
},
};
addProtocolHandler(command: string, handler: (request: protocol.Request) => {response?: any, responseRequired: boolean}) {
if (this.handlers[command]) {
throw new Error(`Protocol handler already exists for command "${command}"`);
}
this.handlers[command] = handler;
}
executeCommand(request: protocol.Request) : {response?: any, responseRequired?: boolean} {
var handler = this.handlers[request.command];
if (handler) {
return handler(request);
} else {
this.projectService.log("Unrecognized JSON command: " + JSON.stringify(request));
this.output(undefined, CommandNames.Unknown, request.seq, "Unrecognized JSON command: " + request.command);
return {responseRequired: false};
}
}
onMessage(message: string) {
if (this.logger.isVerbose()) {
this.logger.info("request: " + message);
var start = this.hrtime();
}
try {
var request = <protocol.Request>JSON.parse(message);
var {response, responseRequired} = this.executeCommand(request);
if (this.logger.isVerbose()) {
var elapsed = this.hrtime(start);
var seconds = elapsed[0]
var nanoseconds = elapsed[1];
var elapsedMs = ((1e9 * seconds) + nanoseconds)/1000000.0;
var leader = "Elapsed time (in milliseconds)";
if (!responseRequired) {
leader = "Async elapsed time (in milliseconds)";
}
this.logger.msg(leader + ": " + elapsedMs.toFixed(4).toString(), "Perf");
}
if (response) {
this.output(response, request.command, request.seq);
}
else if (responseRequired) {
this.output(undefined, request.command, request.seq, "No content available.");
}
} catch (err) {
if (err instanceof OperationCanceledException) {
// Handle cancellation exceptions
}
this.logError(err, message);
this.output(undefined, request ? request.command : CommandNames.Unknown, request ? request.seq : 0, "Error processing request. " + err.message);
}
}
}
}