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Add api in builder to get changed files and use it to send project changed event

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This commit is contained in:
Sheetal Nandi
2017-08-15 14:50:52 -07:00
parent e65df125f8
commit e71123857c
6 changed files with 224 additions and 142 deletions
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220
src/compiler/builder.ts
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@@ -18,6 +18,13 @@ namespace ts {
text: string;
}
export interface ChangedProgramFiles {
/** Minimal set of list of files that require emit */
readonly filesToEmit: ReadonlyArray<string>;
/** File paths of source files changed/added/removed or affected by changed files */
readonly changedFiles: ReadonlyArray<string>;
}
export interface Builder {
/**
* This is the callback when file infos in the builder are updated
@@ -25,8 +32,15 @@ namespace ts {
onProgramUpdateGraph(program: Program, hasInvalidatedResolution: HasInvalidatedResolution): void;
getFilesAffectedBy(program: Program, path: Path): string[];
emitFile(program: Program, path: Path): EmitOutput;
/** Emit the changed files and clear the cache of the changed files */
emitChangedFiles(program: Program): EmitOutputDetailed[];
/** Get the changed files since last query and then clear the cache of changed files */
getChangedProgramFiles(program: Program): ChangedProgramFiles;
/** When called gets the semantic diagnostics for the program. It also caches the diagnostics and manage them */
getSemanticDiagnostics(program: Program, cancellationToken?: CancellationToken): Diagnostic[];
/** Called to reset the status of the builder */
clear(): void;
}
@@ -73,16 +87,18 @@ namespace ts {
): Builder {
let isModuleEmit: boolean | undefined;
// Last checked shape signature for the file info
type FileInfo = { version: string; signature: string; };
let fileInfos: Map<FileInfo>;
type FileInfo = { fileName: string; version: string; signature: string; };
const fileInfos = createMap<FileInfo>();
const semanticDiagnosticsPerFile = createMap<Diagnostic[]>();
let changedFilesSinceLastEmit: Map<true>;
/** The map has key by source file's path that has been changed */
const changedFileNames = createMap<string>();
let emitHandler: EmitHandler;
return {
onProgramUpdateGraph,
getFilesAffectedBy,
emitFile,
emitChangedFiles,
getChangedProgramFiles,
getSemanticDiagnostics,
clear
};
@@ -92,13 +108,11 @@ namespace ts {
if (isModuleEmit !== currentIsModuleEmit) {
isModuleEmit = currentIsModuleEmit;
emitHandler = isModuleEmit ? getModuleEmitHandler() : getNonModuleEmitHandler();
fileInfos = undefined;
fileInfos.clear();
semanticDiagnosticsPerFile.clear();
}
changedFilesSinceLastEmit = changedFilesSinceLastEmit || createMap<true>();
mutateMap(
fileInfos || (fileInfos = createMap()),
fileInfos,
arrayToMap(program.getSourceFiles(), sourceFile => sourceFile.path),
{
// Add new file info
@@ -111,27 +125,26 @@ namespace ts {
);
}
function registerChangedFile(path: Path) {
changedFilesSinceLastEmit.set(path, true);
function registerChangedFile(path: Path, fileName: string) {
changedFileNames.set(path, fileName);
// All changed files need to re-evaluate its semantic diagnostics
semanticDiagnosticsPerFile.delete(path);
}
function addNewFileInfo(program: Program, sourceFile: SourceFile): FileInfo {
registerChangedFile(sourceFile.path);
registerChangedFile(sourceFile.path, sourceFile.fileName);
emitHandler.addScriptInfo(program, sourceFile);
return { version: sourceFile.version, signature: undefined };
return { fileName: sourceFile.fileName, version: sourceFile.version, signature: undefined };
}
function removeExistingFileInfo(path: Path, _existingFileInfo: FileInfo) {
registerChangedFile(path);
function removeExistingFileInfo(path: Path, existingFileInfo: FileInfo) {
registerChangedFile(path, existingFileInfo.fileName);
emitHandler.removeScriptInfo(path);
}
function updateExistingFileInfo(program: Program, existingInfo: FileInfo, sourceFile: SourceFile, hasInvalidatedResolution: HasInvalidatedResolution) {
if (existingInfo.version !== sourceFile.version || hasInvalidatedResolution(sourceFile.path)) {
registerChangedFile(sourceFile.path);
semanticDiagnosticsPerFile.delete(sourceFile.path);
registerChangedFile(sourceFile.path, sourceFile.fileName);
existingInfo.version = sourceFile.version;
emitHandler.updateScriptInfo(program, sourceFile);
}
@@ -154,7 +167,7 @@ namespace ts {
const sourceFile = program.getSourceFile(path);
const singleFileResult = sourceFile && shouldEmitFile(sourceFile) ? [sourceFile.fileName] : [];
const info = fileInfos && fileInfos.get(path);
const info = fileInfos.get(path);
if (!info || !updateShapeSignature(program, sourceFile, info)) {
return singleFileResult;
}
@@ -165,44 +178,61 @@ namespace ts {
function emitFile(program: Program, path: Path) {
ensureProgramGraph(program);
if (!fileInfos || !fileInfos.has(path)) {
if (!fileInfos.has(path)) {
return { outputFiles: [], emitSkipped: true };
}
return getEmitOutput(program, program.getSourceFileByPath(path), /*emitOnlyDtsFiles*/ false, /*isDetailed*/ false);
}
function emitChangedFiles(program: Program): EmitOutputDetailed[] {
ensureProgramGraph(program);
const result: EmitOutputDetailed[] = [];
if (changedFilesSinceLastEmit) {
const seenFiles = createMap<SourceFile>();
changedFilesSinceLastEmit.forEach((__value, path: Path) => {
const affectedFiles = getFilesAffectedBy(program, path);
for (const file of affectedFiles) {
if (!seenFiles.has(file)) {
const sourceFile = program.getSourceFile(file);
seenFiles.set(file, sourceFile);
if (sourceFile) {
// Any affected file shouldnt have the cached diagnostics
semanticDiagnosticsPerFile.delete(sourceFile.path);
function enumerateChangedFilesSet(
program: Program,
onChangedFile: (fileName: string) => void,
onAffectedFile: (fileName: string, sourceFile: SourceFile) => void
) {
changedFileNames.forEach((fileName, path) => {
onChangedFile(fileName);
const affectedFiles = getFilesAffectedBy(program, path as Path);
for (const file of affectedFiles) {
onAffectedFile(file, program.getSourceFile(file));
}
});
}
const emitOutput = getEmitOutput(program, sourceFile, /*emitOnlyDtsFiles*/ false, /*isDetailed*/ true) as EmitOutputDetailed;
result.push(emitOutput);
function enumerateChangedFilesEmitOutput(
program: Program,
emitOnlyDtsFiles: boolean,
onChangedFile: (fileName: string) => void,
onEmitOutput: (emitOutput: EmitOutputDetailed, sourceFile: SourceFile) => void
) {
const seenFiles = createMap<SourceFile>();
enumerateChangedFilesSet(program, onChangedFile, (fileName, sourceFile) => {
if (!seenFiles.has(fileName)) {
seenFiles.set(fileName, sourceFile);
if (sourceFile) {
// Any affected file shouldnt have the cached diagnostics
semanticDiagnosticsPerFile.delete(sourceFile.path);
// mark all the emitted source files as seen
if (emitOutput.emittedSourceFiles) {
for (const file of emitOutput.emittedSourceFiles) {
seenFiles.set(file.fileName, file);
}
}
const emitOutput = getEmitOutput(program, sourceFile, emitOnlyDtsFiles, /*isDetailed*/ true) as EmitOutputDetailed;
onEmitOutput(emitOutput, sourceFile);
// mark all the emitted source files as seen
if (emitOutput.emittedSourceFiles) {
for (const file of emitOutput.emittedSourceFiles) {
seenFiles.set(file.fileName, file);
}
}
}
});
}
});
}
changedFilesSinceLastEmit = undefined;
}
function emitChangedFiles(program: Program): EmitOutputDetailed[] {
ensureProgramGraph(program);
const result: EmitOutputDetailed[] = [];
enumerateChangedFilesEmitOutput(program, /*emitOnlyDtsFiles*/ false,
/*onChangedFile*/ noop, emitOutput => result.push(emitOutput));
changedFileNames.clear();
return result;
}
@@ -210,17 +240,11 @@ namespace ts {
ensureProgramGraph(program);
// Ensure that changed files have cleared their respective
if (changedFilesSinceLastEmit) {
changedFilesSinceLastEmit.forEach((__value, path: Path) => {
const affectedFiles = getFilesAffectedBy(program, path);
for (const file of affectedFiles) {
const sourceFile = program.getSourceFile(file);
if (sourceFile) {
semanticDiagnosticsPerFile.delete(sourceFile.path);
}
}
});
}
enumerateChangedFilesSet(program, /*onChangedFile*/ noop, (_affectedFileName, sourceFile) => {
if (sourceFile) {
semanticDiagnosticsPerFile.delete(sourceFile.path);
}
});
let diagnostics: Diagnostic[];
for (const sourceFile of program.getSourceFiles()) {
@@ -240,11 +264,36 @@ namespace ts {
return diagnostics || emptyArray;
}
function getChangedProgramFiles(program: Program): ChangedProgramFiles {
ensureProgramGraph(program);
let filesToEmit: string[];
let changedFiles: string[];
enumerateChangedFilesEmitOutput(program, /*emitOnlyDtsFiles*/ true,
// All the changed files are required to get diagnostics
changedFileName => addFileForDiagnostics(changedFileName),
// Emitted file is for emit as well as diagnostic
(_emitOutput, sourceFile) => {
(filesToEmit || (filesToEmit = [])).push(sourceFile.fileName);
addFileForDiagnostics(sourceFile.fileName);
});
changedFileNames.clear();
return {
filesToEmit: filesToEmit || emptyArray,
changedFiles: changedFiles || emptyArray
};
function addFileForDiagnostics(fileName: string) {
(changedFiles || (changedFiles = [])).push(fileName);
}
}
function clear() {
isModuleEmit = undefined;
emitHandler = undefined;
fileInfos = undefined;
fileInfos.clear();
semanticDiagnosticsPerFile.clear();
changedFileNames.clear();
}
/**
@@ -287,9 +336,7 @@ namespace ts {
}
/**
* Gets the referenced files for a file from the program
* @param program
* @param path
* Gets the referenced files for a file from the program with values for the keys as referenced file's path to be true
*/
function getReferencedFiles(program: Program, sourceFile: SourceFile): Map<true> {
const referencedFiles = createMap<true>();
@@ -371,55 +418,36 @@ namespace ts {
function getModuleEmitHandler(): EmitHandler {
const references = createMap<Map<true>>();
const referencedBy = createMultiMap<Path>();
return {
addScriptInfo: (program, sourceFile) => {
const refs = createMap<true>();
references.set(sourceFile.path, refs);
setReferences(program, sourceFile, refs);
},
addScriptInfo: setReferences,
removeScriptInfo,
updateScriptInfo: (program, sourceFile) => setReferences(program, sourceFile, references.get(sourceFile.path)),
updateScriptInfo: setReferences,
getFilesAffectedByUpdatedShape
};
function setReferences(program: Program, sourceFile: SourceFile, existingReferences: Map<true>) {
const path = sourceFile.path;
mutateMap(
// Existing references
existingReferences,
// Updated references
getReferencedFiles(program, sourceFile),
{
// Creating new Reference: as sourceFile references file with path 'key'
// in other words source file (path) is referenced by 'key'
createNewValue: (key): true => { referencedBy.add(key, path); return true; },
// Remove existing reference by entry: source file doesnt reference file 'key' any more
// in other words source file (path) is not referenced by 'key'
onDeleteValue: (key, _existingValue) => { referencedBy.remove(key, path); }
}
);
function setReferences(program: Program, sourceFile: SourceFile) {
references.set(sourceFile.path, getReferencedFiles(program, sourceFile));
}
function removeScriptInfo(path: Path) {
function removeScriptInfo(removedFilePath: Path) {
// Remove existing references
references.forEach((_value, key) => {
referencedBy.remove(key, path);
});
references.delete(path);
// Delete the entry and add files referencing this file, as chagned files too
const referencedByPaths = referencedBy.get(path);
if (referencedByPaths) {
for (const path of referencedByPaths) {
registerChangedFile(path);
references.forEach((referencesInFile, filePath) => {
if (referencesInFile.has(removedFilePath)) {
// add files referencing the removedFilePath, as changed files too
const referencedByInfo = fileInfos.get(filePath);
if (referencedByInfo) {
registerChangedFile(filePath as Path, referencedByInfo.fileName);
}
}
referencedBy.delete(path);
}
});
// Delete the entry for the removed file path
references.delete(removedFilePath);
}
function getReferencedByPaths(path: Path) {
return referencedBy.get(path) || [];
function getReferencedByPaths(referencedFilePath: Path) {
return mapDefinedIter(references.entries(), ([filePath, referencesInFile]) =>
referencesInFile.has(referencedFilePath) ? filePath as Path : undefined
);
}
function getFilesAffectedByUpdatedShape(program: Program, sourceFile: SourceFile, singleFileResult: string[]): string[] {
@@ -444,7 +472,7 @@ namespace ts {
// Start with the paths this file was referenced by
const path = sourceFile.path;
setSeenFileName(path, sourceFile);
const queue = getReferencedByPaths(path).slice();
const queue = getReferencedByPaths(path);
while (queue.length > 0) {
const currentPath = queue.pop();
if (!seenFileNamesMap.has(currentPath)) {