diff --git a/src/compiler/tsc.ts b/src/compiler/tsc.ts index e15a411d30f..ec93b61bbdf 100644 --- a/src/compiler/tsc.ts +++ b/src/compiler/tsc.ts @@ -1,1017 +1,3 @@ -/// -/// - -namespace ts { - export interface CompilerHost { - /** If this is the emit based on the graph builder, use it to emit */ - emitWithBuilder?(program: Program): EmitResult; - } - - interface Statistic { - name: string; - value: string; - } - - const defaultFormatDiagnosticsHost: FormatDiagnosticsHost = { - getCurrentDirectory: () => sys.getCurrentDirectory(), - getNewLine: () => sys.newLine, - getCanonicalFileName: createGetCanonicalFileName(sys.useCaseSensitiveFileNames) - }; - - let reportDiagnosticWorker = reportDiagnosticSimply; - - function reportDiagnostic(diagnostic: Diagnostic, host: FormatDiagnosticsHost) { - reportDiagnosticWorker(diagnostic, host || defaultFormatDiagnosticsHost); - } - - function reportDiagnostics(diagnostics: Diagnostic[], host: FormatDiagnosticsHost): void { - for (const diagnostic of diagnostics) { - reportDiagnostic(diagnostic, host); - } - } - - function reportEmittedFiles(files: string[]): void { - if (!files || files.length === 0) { - return; - } - - const currentDir = sys.getCurrentDirectory(); - - for (const file of files) { - const filepath = getNormalizedAbsolutePath(file, currentDir); - - sys.write(`TSFILE: ${filepath}${sys.newLine}`); - } - } - - function countLines(program: Program): number { - let count = 0; - forEach(program.getSourceFiles(), file => { - count += getLineStarts(file).length; - }); - return count; - } - - function getDiagnosticText(_message: DiagnosticMessage, ..._args: any[]): string { - const diagnostic = createCompilerDiagnostic.apply(undefined, arguments); - return diagnostic.messageText; - } - - function reportDiagnosticSimply(diagnostic: Diagnostic, host: FormatDiagnosticsHost): void { - sys.write(ts.formatDiagnostics([diagnostic], host)); - } - - function reportDiagnosticWithColorAndContext(diagnostic: Diagnostic, host: FormatDiagnosticsHost): void { - sys.write(ts.formatDiagnosticsWithColorAndContext([diagnostic], host) + sys.newLine); - } - - function reportWatchDiagnostic(diagnostic: Diagnostic) { - let output = new Date().toLocaleTimeString() + " - "; - - if (diagnostic.file) { - const loc = getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start); - output += `${ diagnostic.file.fileName }(${ loc.line + 1 },${ loc.character + 1 }): `; - } - - output += `${ flattenDiagnosticMessageText(diagnostic.messageText, sys.newLine) }${ sys.newLine + sys.newLine + sys.newLine }`; - - sys.write(output); - } - - function padLeft(s: string, length: number) { - while (s.length < length) { - s = " " + s; - } - return s; - } - - function padRight(s: string, length: number) { - while (s.length < length) { - s = s + " "; - } - - return s; - } - - function isJSONSupported() { - return typeof JSON === "object" && typeof JSON.parse === "function"; - } - - export function executeCommandLine(args: string[]): void { - const commandLine = parseCommandLine(args); - - // Configuration file name (if any) - let configFileName: string; - - if (commandLine.options.locale) { - if (!isJSONSupported()) { - reportDiagnostic(createCompilerDiagnostic(Diagnostics.The_current_host_does_not_support_the_0_option, "--locale"), /* host */ undefined); - return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - validateLocaleAndSetLanguage(commandLine.options.locale, sys, commandLine.errors); - } - - // If there are any errors due to command line parsing and/or - // setting up localization, report them and quit. - if (commandLine.errors.length > 0) { - reportDiagnostics(commandLine.errors, /*host*/ undefined); - return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - - if (commandLine.options.init) { - writeConfigFile(commandLine.options, commandLine.fileNames); - return sys.exit(ExitStatus.Success); - } - - if (commandLine.options.version) { - printVersion(); - return sys.exit(ExitStatus.Success); - } - - if (commandLine.options.help || commandLine.options.all) { - printVersion(); - printHelp(commandLine.options.all); - return sys.exit(ExitStatus.Success); - } - - if (commandLine.options.project) { - if (!isJSONSupported()) { - reportDiagnostic(createCompilerDiagnostic(Diagnostics.The_current_host_does_not_support_the_0_option, "--project"), /* host */ undefined); - return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - if (commandLine.fileNames.length !== 0) { - reportDiagnostic(createCompilerDiagnostic(Diagnostics.Option_project_cannot_be_mixed_with_source_files_on_a_command_line), /* host */ undefined); - return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - - const fileOrDirectory = normalizePath(commandLine.options.project); - if (!fileOrDirectory /* current directory "." */ || sys.directoryExists(fileOrDirectory)) { - configFileName = combinePaths(fileOrDirectory, "tsconfig.json"); - if (!sys.fileExists(configFileName)) { - reportDiagnostic(createCompilerDiagnostic(Diagnostics.Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0, commandLine.options.project), /* host */ undefined); - return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - } - else { - configFileName = fileOrDirectory; - if (!sys.fileExists(configFileName)) { - reportDiagnostic(createCompilerDiagnostic(Diagnostics.The_specified_path_does_not_exist_Colon_0, commandLine.options.project), /* host */ undefined); - return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - } - } - else if (commandLine.fileNames.length === 0 && isJSONSupported()) { - const searchPath = normalizePath(sys.getCurrentDirectory()); - configFileName = findConfigFile(searchPath, sys.fileExists); - } - - if (commandLine.fileNames.length === 0 && !configFileName) { - printVersion(); - printHelp(commandLine.options.all); - return sys.exit(ExitStatus.Success); - } - - if (configFileName) { - const configParseResult = parseConfigFile(configFileName, commandLine, sys); - const { fileNames, options } = configParseResult; - if (isWatchSet(configParseResult.options)) { - reportWatchModeWithoutSysSupport(); - createWatchMode(commandLine, configFileName, fileNames, options, configParseResult.configFileSpecs, configParseResult.wildcardDirectories); - } - else { - performCompilation(fileNames, options); - } - } - else if (isWatchSet(commandLine.options)) { - reportWatchModeWithoutSysSupport(); - createWatchMode(commandLine); - } - else { - performCompilation(commandLine.fileNames, commandLine.options); - } - - function reportWatchModeWithoutSysSupport() { - if (!sys.watchFile || !sys.watchDirectory) { - reportDiagnostic(createCompilerDiagnostic(Diagnostics.The_current_host_does_not_support_the_0_option, "--watch"), /* host */ undefined); - sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - } - - function performCompilation(rootFileNames: string[], compilerOptions: CompilerOptions) { - if (compilerOptions.pretty) { - reportDiagnosticWorker = reportDiagnosticWithColorAndContext; - } - - const compilerHost = createCompilerHost(compilerOptions); - const compileResult = compile(rootFileNames, compilerOptions, compilerHost); - return sys.exit(compileResult.exitStatus); - } - } - - interface HostFileInfo { - version: number; - sourceFile: SourceFile; - fileWatcher: FileWatcher; - } - - function createWatchMode(commandLine: ParsedCommandLine, configFileName?: string, configFileRootFiles?: string[], configFileOptions?: CompilerOptions, configFileSpecs?: ConfigFileSpecs, configFileWildCardDirectories?: MapLike) { - let program: Program; - let needsReload: boolean; // true if the config file changed and needs to reload it from the disk - let missingFilesMap: Map; // Map of file watchers for the missing files - let configFileWatcher: FileWatcher; // watcher for the config file - let watchedWildCardDirectories: Map; // map of watchers for the wild card directories in the config file - let timerToUpdateProgram: any; // timer callback to recompile the program - - let compilerOptions: CompilerOptions; - let rootFileNames: string[]; - - const sourceFilesCache = createMap(); // Cache that stores the source file and version info - let changedFilePaths: Path[] = []; - - let host: System; - if (configFileName) { - rootFileNames = configFileRootFiles; - compilerOptions = configFileOptions; - host = createCachedSystem(sys); - configFileWatcher = sys.watchFile(configFileName, onConfigFileChanged); - } - else { - rootFileNames = commandLine.fileNames; - compilerOptions = commandLine.options; - host = sys; - } - const currentDirectory = host.getCurrentDirectory(); - const getCanonicalFileName = createGetCanonicalFileName(host.useCaseSensitiveFileNames); - - // There is no extra check needed since we can just rely on the program to decide emit - const builder = createBuilder(getCanonicalFileName, getDetailedEmitOutput, computeHash, _sourceFile => true); - - if (compilerOptions.pretty) { - reportDiagnosticWorker = reportDiagnosticWithColorAndContext; - } - - synchronizeProgram(); - - // Update the wild card directory watch - watchConfigFileWildCardDirectories(); - - function synchronizeProgram() { - writeLog(`Synchronizing program`); - - if (isProgramUptoDate(program, rootFileNames, compilerOptions, getSourceVersion)) { - return; - } - - // Create the compiler host - const compilerHost = createWatchedCompilerHost(compilerOptions); - program = compile(rootFileNames, compilerOptions, compilerHost, program).program; - - // Update watches - missingFilesMap = updateMissingFilePathsWatch(program, missingFilesMap, watchMissingFilePath, closeMissingFilePathWatcher); - - reportWatchDiagnostic(createCompilerDiagnostic(Diagnostics.Compilation_complete_Watching_for_file_changes)); - } - - function createWatchedCompilerHost(options: CompilerOptions): CompilerHost { - const newLine = getNewLineCharacter(options); - const realpath = host.realpath && ((path: string) => host.realpath(path)); - - return { - getSourceFile: getVersionedSourceFile, - getSourceFileByPath: getVersionedSourceFileByPath, - getDefaultLibLocation, - getDefaultLibFileName: options => combinePaths(getDefaultLibLocation(), getDefaultLibFileName(options)), - writeFile: (_fileName, _data, _writeByteOrderMark, _onError?, _sourceFiles?) => { }, - getCurrentDirectory: memoize(() => host.getCurrentDirectory()), - useCaseSensitiveFileNames: () => host.useCaseSensitiveFileNames, - getCanonicalFileName, - getNewLine: () => newLine, - fileExists, - readFile: fileName => host.readFile(fileName), - trace: (s: string) => host.write(s + newLine), - directoryExists: directoryName => host.directoryExists(directoryName), - getEnvironmentVariable: name => host.getEnvironmentVariable ? host.getEnvironmentVariable(name) : "", - getDirectories: (path: string) => host.getDirectories(path), - realpath, - onReleaseOldSourceFile, - emitWithBuilder - }; - - // TODO: cache module resolution - //if (host.resolveModuleNames) { - // compilerHost.resolveModuleNames = (moduleNames, containingFile) => host.resolveModuleNames(moduleNames, containingFile); - //} - //if (host.resolveTypeReferenceDirectives) { - // compilerHost.resolveTypeReferenceDirectives = (typeReferenceDirectiveNames, containingFile) => { - // return host.resolveTypeReferenceDirectives(typeReferenceDirectiveNames, containingFile); - // }; - //} - - function ensureDirectoriesExist(directoryPath: string) { - if (directoryPath.length > getRootLength(directoryPath) && !host.directoryExists(directoryPath)) { - const parentDirectory = getDirectoryPath(directoryPath); - ensureDirectoriesExist(parentDirectory); - host.createDirectory(directoryPath); - } - } - - function writeFile(fileName: string, data: string, writeByteOrderMark: boolean) { - try { - performance.mark("beforeIOWrite"); - ensureDirectoriesExist(getDirectoryPath(normalizePath(fileName))); - - host.writeFile(fileName, data, writeByteOrderMark); - - performance.mark("afterIOWrite"); - performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite"); - } - catch (e) { - return createCompilerDiagnostic(Diagnostics.Could_not_write_file_0_Colon_1, fileName, e); - } - } - - function emitWithBuilder(program: Program): EmitResult { - builder.onProgramUpdateGraph(program); - const filesPendingToEmit = changedFilePaths; - changedFilePaths = []; - - const seenFiles = createMap(); - - let emitSkipped: boolean; - let diagnostics: Diagnostic[]; - const emittedFiles: string[] = program.getCompilerOptions().listEmittedFiles ? [] : undefined; - let sourceMaps: SourceMapData[]; - while (filesPendingToEmit.length) { - const filePath = filesPendingToEmit.pop(); - const affectedFiles = builder.getFilesAffectedBy(program, filePath); - for (const file of affectedFiles) { - if (!seenFiles.has(file)) { - seenFiles.set(file, true); - const sourceFile = program.getSourceFile(file); - if (sourceFile) { - writeFiles(builder.emitFile(program, sourceFile.path)); - } - } - } - } - - return { emitSkipped, diagnostics, emittedFiles, sourceMaps }; - - function writeFiles(emitOutput: EmitOutputDetailed) { - if (emitOutput.emitSkipped) { - emitSkipped = true; - } - - diagnostics = concatenate(diagnostics, emitOutput.diagnostics); - sourceMaps = concatenate(sourceMaps, emitOutput.sourceMaps); - // If it emitted more than one source files, just mark all those source files as seen - if (emitOutput.emittedSourceFiles && emitOutput.emittedSourceFiles.length > 1) { - for (const file of emitOutput.emittedSourceFiles) { - seenFiles.set(file.fileName, true); - } - } - for (const outputFile of emitOutput.outputFiles) { - const error = writeFile(outputFile.name, outputFile.text, outputFile.writeByteOrderMark); - if (error) { - (diagnostics || (diagnostics = [])).push(error); - } - if (emittedFiles) { - emittedFiles.push(outputFile.name); - } - } - } - } - } - - function fileExists(fileName: string) { - const path = toPath(fileName, currentDirectory, getCanonicalFileName); - const hostSourceFileInfo = sourceFilesCache.get(path); - if (hostSourceFileInfo !== undefined) { - return !isString(hostSourceFileInfo); - } - - return host.fileExists(fileName); - } - - function getDefaultLibLocation(): string { - return getDirectoryPath(normalizePath(host.getExecutingFilePath())); - } - - function getVersionedSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void, shouldCreateNewSourceFile?: boolean): SourceFile { - return getVersionedSourceFileByPath(fileName, toPath(fileName, currentDirectory, getCanonicalFileName), languageVersion, onError, shouldCreateNewSourceFile); - } - - function getVersionedSourceFileByPath(fileName: string, path: Path, languageVersion: ScriptTarget, onError?: (message: string) => void, shouldCreateNewSourceFile?: boolean): SourceFile { - const hostSourceFile = sourceFilesCache.get(path); - // No source file on the host - if (isString(hostSourceFile)) { - return undefined; - } - - // Create new source file if requested or the versions dont match - if (!hostSourceFile) { - changedFilePaths.push(path); - const sourceFile = getSourceFile(fileName, languageVersion, onError); - if (sourceFile) { - sourceFile.version = "0"; - const fileWatcher = watchSourceFileForChanges(sourceFile.path); - sourceFilesCache.set(path, { sourceFile, version: 0, fileWatcher }); - } - else { - sourceFilesCache.set(path, "0"); - } - return sourceFile; - } - else if (shouldCreateNewSourceFile || hostSourceFile.version.toString() !== hostSourceFile.sourceFile.version) { - changedFilePaths.push(path); - if (shouldCreateNewSourceFile) { - hostSourceFile.version++; - } - const newSourceFile = getSourceFile(fileName, languageVersion, onError); - if (newSourceFile) { - newSourceFile.version = hostSourceFile.version.toString(); - hostSourceFile.sourceFile = newSourceFile; - } - else { - // File doesnt exist any more - hostSourceFile.fileWatcher.close(); - sourceFilesCache.set(path, hostSourceFile.version.toString()); - } - - return newSourceFile; - } - - return hostSourceFile.sourceFile; - - function getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile { - let text: string; - try { - performance.mark("beforeIORead"); - text = host.readFile(fileName, compilerOptions.charset); - performance.mark("afterIORead"); - performance.measure("I/O Read", "beforeIORead", "afterIORead"); - } - catch (e) { - if (onError) { - onError(e.message); - } - text = ""; - } - - return text !== undefined ? createSourceFile(fileName, text, languageVersion) : undefined; - } - } - - function removeSourceFile(path: Path) { - const hostSourceFile = sourceFilesCache.get(path); - if (hostSourceFile !== undefined) { - if (!isString(hostSourceFile)) { - hostSourceFile.fileWatcher.close(); - } - sourceFilesCache.delete(path); - } - } - - function getSourceVersion(path: Path): string { - const hostSourceFile = sourceFilesCache.get(path); - return !hostSourceFile || isString(hostSourceFile) ? undefined : hostSourceFile.version.toString(); - } - - function onReleaseOldSourceFile(oldSourceFile: SourceFile, _oldOptions: CompilerOptions) { - const hostSourceFileInfo = sourceFilesCache.get(oldSourceFile.path); - // If this is the source file thats in the cache and new program doesnt need it, - // remove the cached entry. - // Note we arent deleting entry if file became missing in new program or - // there was version update and new source file was created. - if (hostSourceFileInfo && !isString(hostSourceFileInfo) && hostSourceFileInfo.sourceFile === oldSourceFile) { - sourceFilesCache.delete(oldSourceFile.path); - } - } - - // Upon detecting a file change, wait for 250ms and then perform a recompilation. This gives batch - // operations (such as saving all modified files in an editor) a chance to complete before we kick - // off a new compilation. - function scheduleProgramUpdate() { - if (!sys.setTimeout || !sys.clearTimeout) { - return; - } - - if (timerToUpdateProgram) { - sys.clearTimeout(timerToUpdateProgram); - } - timerToUpdateProgram = sys.setTimeout(updateProgram, 250); - } - - function scheduleProgramReload() { - Debug.assert(!!configFileName); - needsReload = true; - scheduleProgramUpdate(); - } - - function updateProgram() { - timerToUpdateProgram = undefined; - reportWatchDiagnostic(createCompilerDiagnostic(Diagnostics.File_change_detected_Starting_incremental_compilation)); - - if (needsReload) { - reloadConfigFile(); - } - else { - synchronizeProgram(); - } - } - - function reloadConfigFile() { - writeLog(`Reloading config file: ${configFileName}`); - reportWatchDiagnostic(createCompilerDiagnostic(Diagnostics.File_change_detected_Starting_incremental_compilation)); - - needsReload = false; - - const cachedHost = host as CachedSystem; - cachedHost.clearCache(); - const configParseResult = parseConfigFile(configFileName, commandLine, cachedHost); - rootFileNames = configParseResult.fileNames; - compilerOptions = configParseResult.options; - configFileSpecs = configParseResult.configFileSpecs; - configFileWildCardDirectories = configParseResult.wildcardDirectories; - - synchronizeProgram(); - - // Update the wild card directory watch - watchConfigFileWildCardDirectories(); - } - - function watchSourceFileForChanges(path: Path) { - return host.watchFile(path, (fileName, eventKind) => onSourceFileChange(fileName, path, eventKind)); - } - - function onSourceFileChange(fileName: string, path: Path, eventKind: FileWatcherEventKind) { - writeLog(`Source file path : ${path} changed: ${FileWatcherEventKind[eventKind]}, fileName: ${fileName}`); - const hostSourceFile = sourceFilesCache.get(path); - if (hostSourceFile) { - // Update the cache - if (eventKind === FileWatcherEventKind.Deleted) { - if (!isString(hostSourceFile)) { - hostSourceFile.fileWatcher.close(); - sourceFilesCache.set(path, (hostSourceFile.version++).toString()); - } - } - else { - // Deleted file created - if (isString(hostSourceFile)) { - sourceFilesCache.delete(path); - } - else { - // file changed - just update the version - hostSourceFile.version++; - } - } - } - // Update the program - scheduleProgramUpdate(); - } - - function watchMissingFilePath(missingFilePath: Path) { - return host.watchFile(missingFilePath, (fileName, eventKind) => onMissingFileChange(fileName, missingFilePath, eventKind)); - } - - function closeMissingFilePathWatcher(_missingFilePath: Path, fileWatcher: FileWatcher) { - fileWatcher.close(); - } - - function onMissingFileChange(filename: string, missingFilePath: Path, eventKind: FileWatcherEventKind) { - writeLog(`Missing file path : ${missingFilePath} changed: ${FileWatcherEventKind[eventKind]}, fileName: ${filename}`); - if (eventKind === FileWatcherEventKind.Created && missingFilesMap.has(missingFilePath)) { - closeMissingFilePathWatcher(missingFilePath, missingFilesMap.get(missingFilePath)); - missingFilesMap.delete(missingFilePath); - - if (configFileName) { - const absoluteNormalizedPath = getNormalizedAbsolutePath(filename, getDirectoryPath(missingFilePath)); - (host as CachedSystem).addOrDeleteFileOrFolder(normalizePath(absoluteNormalizedPath)); - } - - // Delete the entry in the source files cache so that new source file is created - removeSourceFile(missingFilePath); - - // When a missing file is created, we should update the graph. - scheduleProgramUpdate(); - } - } - - function watchConfigFileWildCardDirectories() { - const wildcards = createMapFromTemplate(configFileWildCardDirectories); - watchedWildCardDirectories = updateWatchingWildcardDirectories( - watchedWildCardDirectories, wildcards, - watchWildCardDirectory, stopWatchingWildCardDirectory - ); - } - - function watchWildCardDirectory(directory: string, recursive: boolean) { - return host.watchDirectory(directory, fileName => - onFileAddOrRemoveInWatchedDirectory(getNormalizedAbsolutePath(fileName, directory)), - recursive); - } - - function stopWatchingWildCardDirectory(_directory: string, fileWatcher: FileWatcher, _recursive: boolean, _recursiveChanged: boolean) { - fileWatcher.close(); - } - - function onFileAddOrRemoveInWatchedDirectory(fileName: string) { - Debug.assert(!!configFileName); - (host as CachedSystem).addOrDeleteFileOrFolder(fileName); - - // Since the file existance changed, update the sourceFiles cache - removeSourceFile(toPath(fileName, currentDirectory, getCanonicalFileName)); - - // If a change was made inside "folder/file", node will trigger the callback twice: - // one with the fileName being "folder/file", and the other one with "folder". - // We don't respond to the second one. - if (fileName && !isSupportedSourceFileName(fileName, compilerOptions)) { - writeLog(`Project: ${configFileName} Detected file add/remove of non supported extension: ${fileName}`); - return; - } - - writeLog(`Project: ${configFileName} Detected file add/remove of supported extension: ${fileName}`); - - // Reload is pending, do the reload - if (!needsReload) { - const result = getFileNamesFromConfigSpecs(configFileSpecs, getDirectoryPath(configFileName), compilerOptions, host, /*extraFileExtensions*/ []); - if (!configFileSpecs.filesSpecs) { - reportDiagnostics([getErrorForNoInputFiles(configFileSpecs, configFileName)], /*host*/ undefined); - } - rootFileNames = result.fileNames; - - // Schedule Update the program - scheduleProgramUpdate(); - } - } - - function onConfigFileChanged(fileName: string, eventKind: FileWatcherEventKind) { - writeLog(`Config file : ${configFileName} changed: ${FileWatcherEventKind[eventKind]}, fileName: ${fileName}`); - scheduleProgramReload(); - } - - function writeLog(s: string) { - const hasDiagnostics = compilerOptions.diagnostics || compilerOptions.extendedDiagnostics; - if (hasDiagnostics) { - host.write(s); - } - } - - function computeHash(data: string) { - return sys.createHash ? sys.createHash(data) : data; - } - } - - interface CachedSystem extends System { - addOrDeleteFileOrFolder(fileOrFolder: string): void; - clearCache(): void; - } - - function createCachedSystem(host: System): CachedSystem { - const getFileSize = host.getFileSize ? (path: string) => host.getFileSize(path) : undefined; - const watchFile = host.watchFile ? (path: string, callback: FileWatcherCallback, pollingInterval?: number) => host.watchFile(path, callback, pollingInterval) : undefined; - const watchDirectory = host.watchDirectory ? (path: string, callback: DirectoryWatcherCallback, recursive?: boolean) => host.watchDirectory(path, callback, recursive) : undefined; - const getModifiedTime = host.getModifiedTime ? (path: string) => host.getModifiedTime(path) : undefined; - const createHash = host.createHash ? (data: string) => host.createHash(data) : undefined; - const getMemoryUsage = host.getMemoryUsage ? () => host.getMemoryUsage() : undefined; - const realpath = host.realpath ? (path: string) => host.realpath(path) : undefined; - const tryEnableSourceMapsForHost = host.tryEnableSourceMapsForHost ? () => host.tryEnableSourceMapsForHost() : undefined; - const setTimeout = host.setTimeout ? (callback: (...args: any[]) => void, ms: number, ...args: any[]) => host.setTimeout(callback, ms, ...args) : undefined; - const clearTimeout = host.clearTimeout ? (timeoutId: any) => host.clearTimeout(timeoutId) : undefined; - - const cachedHost = createCachedHost(host); - return { - args: host.args, - newLine: host.newLine, - useCaseSensitiveFileNames: host.useCaseSensitiveFileNames, - write: s => host.write(s), - readFile: (path, encoding?) => host.readFile(path, encoding), - getFileSize, - writeFile: (fileName, data, writeByteOrderMark?) => cachedHost.writeFile(fileName, data, writeByteOrderMark), - watchFile, - watchDirectory, - resolvePath: path => host.resolvePath(path), - fileExists: fileName => cachedHost.fileExists(fileName), - directoryExists: dir => cachedHost.directoryExists(dir), - createDirectory: dir => cachedHost.createDirectory(dir), - getExecutingFilePath: () => host.getExecutingFilePath(), - getCurrentDirectory: () => cachedHost.getCurrentDirectory(), - getDirectories: dir => cachedHost.getDirectories(dir), - readDirectory: (path, extensions, excludes, includes, depth) => cachedHost.readDirectory(path, extensions, excludes, includes, depth), - getModifiedTime, - createHash, - getMemoryUsage, - exit: exitCode => host.exit(exitCode), - realpath, - getEnvironmentVariable: name => host.getEnvironmentVariable(name), - tryEnableSourceMapsForHost, - debugMode: host.debugMode, - setTimeout, - clearTimeout, - addOrDeleteFileOrFolder: fileOrFolder => cachedHost.addOrDeleteFileOrFolder(fileOrFolder), - clearCache: () => cachedHost.clearCache() - }; - } - - function parseConfigFile(configFileName: string, commandLine: ParsedCommandLine, host: System): ParsedCommandLine { - let configFileText: string; - try { - configFileText = host.readFile(configFileName); - } - catch (e) { - const error = createCompilerDiagnostic(Diagnostics.Cannot_read_file_0_Colon_1, configFileName, e.message); - reportWatchDiagnostic(error); - host.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); - return; - } - if (!configFileText) { - const error = createCompilerDiagnostic(Diagnostics.File_0_not_found, configFileName); - reportDiagnostics([error], /* compilerHost */ undefined); - host.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); - return; - } - - const result = parseJsonText(configFileName, configFileText); - reportDiagnostics(result.parseDiagnostics, /* compilerHost */ undefined); - - const cwd = host.getCurrentDirectory(); - const configParseResult = parseJsonSourceFileConfigFileContent(result, host, getNormalizedAbsolutePath(getDirectoryPath(configFileName), cwd), commandLine.options, getNormalizedAbsolutePath(configFileName, cwd)); - reportDiagnostics(configParseResult.errors, /* compilerHost */ undefined); - - return configParseResult; - } - - function compile(fileNames: string[], compilerOptions: CompilerOptions, compilerHost: CompilerHost, oldProgram?: Program) { - const hasDiagnostics = compilerOptions.diagnostics || compilerOptions.extendedDiagnostics; - let statistics: Statistic[]; - if (hasDiagnostics) { - performance.enable(); - statistics = []; - } - - const program = createProgram(fileNames, compilerOptions, compilerHost, oldProgram); - const exitStatus = compileProgram(); - - if (compilerOptions.listFiles) { - forEach(program.getSourceFiles(), file => { - sys.write(file.fileName + sys.newLine); - }); - } - - if (hasDiagnostics) { - const memoryUsed = sys.getMemoryUsage ? 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"); - } - - const programTime = performance.getDuration("Program"); - const bindTime = performance.getDuration("Bind"); - const checkTime = performance.getDuration("Check"); - const emitTime = performance.getDuration("Emit"); - if (compilerOptions.extendedDiagnostics) { - performance.forEachMeasure((name, duration) => reportTimeStatistic(`${name} time`, duration)); - } - else { - // Individual component times. - // Note: To match the behavior of previous versions of the compiler, the reported parse time includes - // I/O read time and processing time for triple-slash references and module imports, and the reported - // emit time includes I/O write time. We preserve this behavior so we can accurately compare times. - reportTimeStatistic("I/O read", performance.getDuration("I/O Read")); - reportTimeStatistic("I/O write", performance.getDuration("I/O Write")); - reportTimeStatistic("Parse time", programTime); - reportTimeStatistic("Bind time", bindTime); - reportTimeStatistic("Check time", checkTime); - reportTimeStatistic("Emit time", emitTime); - } - reportTimeStatistic("Total time", programTime + bindTime + checkTime + emitTime); - reportStatistics(); - - performance.disable(); - } - - return { program, exitStatus }; - - function compileProgram(): ExitStatus { - let diagnostics: Diagnostic[]; - - // First get and report any syntactic errors. - diagnostics = program.getSyntacticDiagnostics(); - - // If we didn't have any syntactic errors, then also try getting the global and - // semantic errors. - if (diagnostics.length === 0) { - diagnostics = program.getOptionsDiagnostics().concat(program.getGlobalDiagnostics()); - - if (diagnostics.length === 0) { - diagnostics = program.getSemanticDiagnostics(); - } - } - - // Emit and report any errors we ran into. - let emitOutput: EmitResult; - if (compilerHost.emitWithBuilder) { - emitOutput = compilerHost.emitWithBuilder(program); - } - else { - // Emit whole program - emitOutput = program.emit(); - } - diagnostics = diagnostics.concat(emitOutput.diagnostics); - - reportDiagnostics(sortAndDeduplicateDiagnostics(diagnostics), compilerHost); - - reportEmittedFiles(emitOutput.emittedFiles); - if (emitOutput.emitSkipped && diagnostics.length > 0) { - // If the emitter didn't emit anything, then pass that value along. - return ExitStatus.DiagnosticsPresent_OutputsSkipped; - } - else if (diagnostics.length > 0) { - // The emitter emitted something, inform the caller if that happened in the presence - // of diagnostics or not. - return ExitStatus.DiagnosticsPresent_OutputsGenerated; - } - return ExitStatus.Success; - } - - function reportStatistics() { - let nameSize = 0; - let valueSize = 0; - for (const { name, value } of statistics) { - if (name.length > nameSize) { - nameSize = name.length; - } - - if (value.length > valueSize) { - valueSize = value.length; - } - } - - for (const { name, value } of statistics) { - sys.write(padRight(name + ":", nameSize + 2) + padLeft(value.toString(), valueSize) + sys.newLine); - } - } - - function reportStatisticalValue(name: string, value: string) { - statistics.push({ name, value }); - } - - function reportCountStatistic(name: string, count: number) { - reportStatisticalValue(name, "" + count); - } - - function reportTimeStatistic(name: string, time: number) { - reportStatisticalValue(name, (time / 1000).toFixed(2) + "s"); - } - } - - function printVersion() { - sys.write(getDiagnosticText(Diagnostics.Version_0, ts.version) + sys.newLine); - } - - function printHelp(showAllOptions: boolean) { - const output: string[] = []; - - // We want to align our "syntax" and "examples" commands to a certain margin. - const syntaxLength = getDiagnosticText(Diagnostics.Syntax_Colon_0, "").length; - const examplesLength = getDiagnosticText(Diagnostics.Examples_Colon_0, "").length; - let marginLength = Math.max(syntaxLength, examplesLength); - - // Build up the syntactic skeleton. - let syntax = makePadding(marginLength - syntaxLength); - syntax += "tsc [" + getDiagnosticText(Diagnostics.options) + "] [" + getDiagnosticText(Diagnostics.file) + " ...]"; - - output.push(getDiagnosticText(Diagnostics.Syntax_Colon_0, syntax)); - output.push(sys.newLine + sys.newLine); - - // Build up the list of examples. - const padding = makePadding(marginLength); - output.push(getDiagnosticText(Diagnostics.Examples_Colon_0, makePadding(marginLength - examplesLength) + "tsc hello.ts") + sys.newLine); - output.push(padding + "tsc --outFile file.js file.ts" + sys.newLine); - output.push(padding + "tsc @args.txt" + sys.newLine); - output.push(sys.newLine); - - output.push(getDiagnosticText(Diagnostics.Options_Colon) + sys.newLine); - - // Sort our options by their names, (e.g. "--noImplicitAny" comes before "--watch") - const optsList = showAllOptions ? - optionDeclarations.slice().sort((a, b) => compareValues(a.name.toLowerCase(), b.name.toLowerCase())) : - filter(optionDeclarations.slice(), v => v.showInSimplifiedHelpView); - - // We want our descriptions to align at the same column in our output, - // so we keep track of the longest option usage string. - marginLength = 0; - const usageColumn: string[] = []; // Things like "-d, --declaration" go in here. - const descriptionColumn: string[] = []; - - const optionsDescriptionMap = createMap(); // Map between option.description and list of option.type if it is a kind - - for (let i = 0; i < optsList.length; i++) { - const option = optsList[i]; - - // If an option lacks a description, - // it is not officially supported. - if (!option.description) { - continue; - } - - let usageText = " "; - if (option.shortName) { - usageText += "-" + option.shortName; - usageText += getParamType(option); - usageText += ", "; - } - - usageText += "--" + option.name; - usageText += getParamType(option); - - usageColumn.push(usageText); - let description: string; - - if (option.name === "lib") { - description = getDiagnosticText(option.description); - const element = (option).element; - const typeMap = >element.type; - optionsDescriptionMap.set(description, arrayFrom(typeMap.keys()).map(key => `'${key}'`)); - } - else { - description = getDiagnosticText(option.description); - } - - descriptionColumn.push(description); - - // Set the new margin for the description column if necessary. - marginLength = Math.max(usageText.length, marginLength); - } - - // Special case that can't fit in the loop. - const usageText = " @<" + getDiagnosticText(Diagnostics.file) + ">"; - usageColumn.push(usageText); - descriptionColumn.push(getDiagnosticText(Diagnostics.Insert_command_line_options_and_files_from_a_file)); - marginLength = Math.max(usageText.length, marginLength); - - // Print out each row, aligning all the descriptions on the same column. - for (let i = 0; i < usageColumn.length; i++) { - const usage = usageColumn[i]; - const description = descriptionColumn[i]; - const kindsList = optionsDescriptionMap.get(description); - output.push(usage + makePadding(marginLength - usage.length + 2) + description + sys.newLine); - - if (kindsList) { - output.push(makePadding(marginLength + 4)); - for (const kind of kindsList) { - output.push(kind + " "); - } - output.push(sys.newLine); - } - } - - for (const line of output) { - sys.write(line); - } - return; - - function getParamType(option: CommandLineOption) { - if (option.paramType !== undefined) { - return " " + getDiagnosticText(option.paramType); - } - return ""; - } - - function makePadding(paddingLength: number): string { - return Array(paddingLength + 1).join(" "); - } - } - - function writeConfigFile(options: CompilerOptions, fileNames: string[]) { - const currentDirectory = sys.getCurrentDirectory(); - const file = normalizePath(combinePaths(currentDirectory, "tsconfig.json")); - if (sys.fileExists(file)) { - reportDiagnostic(createCompilerDiagnostic(Diagnostics.A_tsconfig_json_file_is_already_defined_at_Colon_0, file), /* host */ undefined); - } - else { - sys.writeFile(file, generateTSConfig(options, fileNames, sys.newLine)); - reportDiagnostic(createCompilerDiagnostic(Diagnostics.Successfully_created_a_tsconfig_json_file), /* host */ undefined); - } - - return; - } -} - -ts.setStackTraceLimit(); - -if (ts.Debug.isDebugging) { - ts.Debug.enableDebugInfo(); -} - -if (ts.sys.tryEnableSourceMapsForHost && /^development$/i.test(ts.sys.getEnvironmentVariable("NODE_ENV"))) { - ts.sys.tryEnableSourceMapsForHost(); -} +/// ts.executeCommandLine(ts.sys.args); diff --git a/src/compiler/tscLib.ts b/src/compiler/tscLib.ts new file mode 100644 index 00000000000..3dba8961674 --- /dev/null +++ b/src/compiler/tscLib.ts @@ -0,0 +1,1018 @@ +/// +/// + +namespace ts { + export interface CompilerHost { + /** If this is the emit based on the graph builder, use it to emit */ + emitWithBuilder?(program: Program): EmitResult; + } + + interface Statistic { + name: string; + value: string; + } + + const defaultFormatDiagnosticsHost: FormatDiagnosticsHost = { + getCurrentDirectory: () => sys.getCurrentDirectory(), + getNewLine: () => sys.newLine, + getCanonicalFileName: createGetCanonicalFileName(sys.useCaseSensitiveFileNames) + }; + + let reportDiagnosticWorker = reportDiagnosticSimply; + + function reportDiagnostic(diagnostic: Diagnostic, host: FormatDiagnosticsHost) { + reportDiagnosticWorker(diagnostic, host || defaultFormatDiagnosticsHost); + } + + function reportDiagnostics(diagnostics: Diagnostic[], host: FormatDiagnosticsHost): void { + for (const diagnostic of diagnostics) { + reportDiagnostic(diagnostic, host); + } + } + + function reportEmittedFiles(files: string[]): void { + if (!files || files.length === 0) { + return; + } + + const currentDir = sys.getCurrentDirectory(); + + for (const file of files) { + const filepath = getNormalizedAbsolutePath(file, currentDir); + + sys.write(`TSFILE: ${filepath}${sys.newLine}`); + } + } + + function countLines(program: Program): number { + let count = 0; + forEach(program.getSourceFiles(), file => { + count += getLineStarts(file).length; + }); + return count; + } + + function getDiagnosticText(_message: DiagnosticMessage, ..._args: any[]): string { + const diagnostic = createCompilerDiagnostic.apply(undefined, arguments); + return diagnostic.messageText; + } + + function reportDiagnosticSimply(diagnostic: Diagnostic, host: FormatDiagnosticsHost): void { + sys.write(ts.formatDiagnostics([diagnostic], host)); + } + + function reportDiagnosticWithColorAndContext(diagnostic: Diagnostic, host: FormatDiagnosticsHost): void { + sys.write(ts.formatDiagnosticsWithColorAndContext([diagnostic], host) + sys.newLine); + } + + function reportWatchDiagnostic(diagnostic: Diagnostic) { + let output = new Date().toLocaleTimeString() + " - "; + + if (diagnostic.file) { + const loc = getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start); + output += `${ diagnostic.file.fileName }(${ loc.line + 1 },${ loc.character + 1 }): `; + } + + output += `${ flattenDiagnosticMessageText(diagnostic.messageText, sys.newLine) }${ sys.newLine + sys.newLine + sys.newLine }`; + + sys.write(output); + } + + function padLeft(s: string, length: number) { + while (s.length < length) { + s = " " + s; + } + return s; + } + + function padRight(s: string, length: number) { + while (s.length < length) { + s = s + " "; + } + + return s; + } + + function isJSONSupported() { + return typeof JSON === "object" && typeof JSON.parse === "function"; + } + + export function executeCommandLine(args: string[]): void { + const commandLine = parseCommandLine(args); + + // Configuration file name (if any) + let configFileName: string; + if (commandLine.options.locale) { + if (!isJSONSupported()) { + reportDiagnostic(createCompilerDiagnostic(Diagnostics.The_current_host_does_not_support_the_0_option, "--locale"), /* host */ undefined); + return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + validateLocaleAndSetLanguage(commandLine.options.locale, sys, commandLine.errors); + } + + // If there are any errors due to command line parsing and/or + // setting up localization, report them and quit. + if (commandLine.errors.length > 0) { + reportDiagnostics(commandLine.errors, /*host*/ undefined); + return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + + if (commandLine.options.init) { + writeConfigFile(commandLine.options, commandLine.fileNames); + return sys.exit(ExitStatus.Success); + } + + if (commandLine.options.version) { + printVersion(); + return sys.exit(ExitStatus.Success); + } + + if (commandLine.options.help || commandLine.options.all) { + printVersion(); + printHelp(commandLine.options.all); + return sys.exit(ExitStatus.Success); + } + + if (commandLine.options.project) { + if (!isJSONSupported()) { + reportDiagnostic(createCompilerDiagnostic(Diagnostics.The_current_host_does_not_support_the_0_option, "--project"), /* host */ undefined); + return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + if (commandLine.fileNames.length !== 0) { + reportDiagnostic(createCompilerDiagnostic(Diagnostics.Option_project_cannot_be_mixed_with_source_files_on_a_command_line), /* host */ undefined); + return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + + const fileOrDirectory = normalizePath(commandLine.options.project); + if (!fileOrDirectory /* current directory "." */ || sys.directoryExists(fileOrDirectory)) { + configFileName = combinePaths(fileOrDirectory, "tsconfig.json"); + if (!sys.fileExists(configFileName)) { + reportDiagnostic(createCompilerDiagnostic(Diagnostics.Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0, commandLine.options.project), /* host */ undefined); + return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + } + else { + configFileName = fileOrDirectory; + if (!sys.fileExists(configFileName)) { + reportDiagnostic(createCompilerDiagnostic(Diagnostics.The_specified_path_does_not_exist_Colon_0, commandLine.options.project), /* host */ undefined); + return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + } + } + else if (commandLine.fileNames.length === 0 && isJSONSupported()) { + const searchPath = normalizePath(sys.getCurrentDirectory()); + configFileName = findConfigFile(searchPath, sys.fileExists); + } + + if (commandLine.fileNames.length === 0 && !configFileName) { + printVersion(); + printHelp(commandLine.options.all); + return sys.exit(ExitStatus.Success); + } + + const commandLineOptions = commandLine.options; + if (configFileName) { + const configParseResult = parseConfigFile(configFileName, commandLineOptions, sys); + if (isWatchSet(configParseResult.options)) { + reportWatchModeWithoutSysSupport(); + createWatchModeWithConfigFile(configParseResult, commandLineOptions); + } + else { + performCompilation(configParseResult.fileNames, configParseResult.options); + } + } + else { + if (isWatchSet(commandLine.options)) { + reportWatchModeWithoutSysSupport(); + createWatchModeWithoutConfigFile(commandLine.fileNames, commandLineOptions); + } + else { + performCompilation(commandLine.fileNames, commandLineOptions); + } + } + + function reportWatchModeWithoutSysSupport() { + if (!sys.watchFile || !sys.watchDirectory) { + reportDiagnostic(createCompilerDiagnostic(Diagnostics.The_current_host_does_not_support_the_0_option, "--watch"), /* host */ undefined); + sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + } + + function performCompilation(rootFileNames: string[], compilerOptions: CompilerOptions) { + if (compilerOptions.pretty) { + reportDiagnosticWorker = reportDiagnosticWithColorAndContext; + } + + const compilerHost = createCompilerHost(compilerOptions); + const compileResult = compile(rootFileNames, compilerOptions, compilerHost); + return sys.exit(compileResult.exitStatus); + } + } + + interface HostFileInfo { + version: number; + sourceFile: SourceFile; + fileWatcher: FileWatcher; + } + + /* @internal */ + export function createWatchModeWithConfigFile(configParseResult: ParsedCommandLine, optionsToExtend?: CompilerOptions) { + return createWatchMode(configParseResult.fileNames, configParseResult.options, configParseResult.options.configFilePath, configParseResult.configFileSpecs, configParseResult.wildcardDirectories, optionsToExtend); + } + + /* @internal */ + export function createWatchModeWithoutConfigFile(rootFileNames: string[], compilerOptions: CompilerOptions) { + return createWatchMode(rootFileNames, compilerOptions); + } + + function createWatchMode(rootFileNames: string[], compilerOptions: CompilerOptions, configFileName?: string, configFileSpecs?: ConfigFileSpecs, configFileWildCardDirectories?: MapLike, optionsToExtendForConfigFile?: CompilerOptions) { + let program: Program; + let needsReload: boolean; // true if the config file changed and needs to reload it from the disk + let missingFilesMap: Map; // Map of file watchers for the missing files + let configFileWatcher: FileWatcher; // watcher for the config file + let watchedWildCardDirectories: Map; // map of watchers for the wild card directories in the config file + let timerToUpdateProgram: any; // timer callback to recompile the program + + const sourceFilesCache = createMap(); // Cache that stores the source file and version info + let changedFilePaths: Path[] = []; + + let host: System; + if (configFileName) { + host = createCachedSystem(sys); + configFileWatcher = sys.watchFile(configFileName, onConfigFileChanged); + } + else { + host = sys; + } + const currentDirectory = host.getCurrentDirectory(); + const getCanonicalFileName = createGetCanonicalFileName(host.useCaseSensitiveFileNames); + + // There is no extra check needed since we can just rely on the program to decide emit + const builder = createBuilder(getCanonicalFileName, getDetailedEmitOutput, computeHash, _sourceFile => true); + + if (compilerOptions.pretty) { + reportDiagnosticWorker = reportDiagnosticWithColorAndContext; + } + + synchronizeProgram(); + + // Update the wild card directory watch + watchConfigFileWildCardDirectories(); + + function synchronizeProgram() { + writeLog(`Synchronizing program`); + + if (isProgramUptoDate(program, rootFileNames, compilerOptions, getSourceVersion)) { + return; + } + + // Create the compiler host + const compilerHost = createWatchedCompilerHost(compilerOptions); + program = compile(rootFileNames, compilerOptions, compilerHost, program).program; + + // Update watches + missingFilesMap = updateMissingFilePathsWatch(program, missingFilesMap, watchMissingFilePath, closeMissingFilePathWatcher); + + reportWatchDiagnostic(createCompilerDiagnostic(Diagnostics.Compilation_complete_Watching_for_file_changes)); + } + + function createWatchedCompilerHost(options: CompilerOptions): CompilerHost { + const newLine = getNewLineCharacter(options); + const realpath = host.realpath && ((path: string) => host.realpath(path)); + + return { + getSourceFile: getVersionedSourceFile, + getSourceFileByPath: getVersionedSourceFileByPath, + getDefaultLibLocation, + getDefaultLibFileName: options => combinePaths(getDefaultLibLocation(), getDefaultLibFileName(options)), + writeFile: (_fileName, _data, _writeByteOrderMark, _onError?, _sourceFiles?) => { }, + getCurrentDirectory: memoize(() => host.getCurrentDirectory()), + useCaseSensitiveFileNames: () => host.useCaseSensitiveFileNames, + getCanonicalFileName, + getNewLine: () => newLine, + fileExists, + readFile: fileName => host.readFile(fileName), + trace: (s: string) => host.write(s + newLine), + directoryExists: directoryName => host.directoryExists(directoryName), + getEnvironmentVariable: name => host.getEnvironmentVariable ? host.getEnvironmentVariable(name) : "", + getDirectories: (path: string) => host.getDirectories(path), + realpath, + onReleaseOldSourceFile, + emitWithBuilder + }; + + // TODO: cache module resolution + //if (host.resolveModuleNames) { + // compilerHost.resolveModuleNames = (moduleNames, containingFile) => host.resolveModuleNames(moduleNames, containingFile); + //} + //if (host.resolveTypeReferenceDirectives) { + // compilerHost.resolveTypeReferenceDirectives = (typeReferenceDirectiveNames, containingFile) => { + // return host.resolveTypeReferenceDirectives(typeReferenceDirectiveNames, containingFile); + // }; + //} + + function ensureDirectoriesExist(directoryPath: string) { + if (directoryPath.length > getRootLength(directoryPath) && !host.directoryExists(directoryPath)) { + const parentDirectory = getDirectoryPath(directoryPath); + ensureDirectoriesExist(parentDirectory); + host.createDirectory(directoryPath); + } + } + + function writeFile(fileName: string, data: string, writeByteOrderMark: boolean) { + try { + performance.mark("beforeIOWrite"); + ensureDirectoriesExist(getDirectoryPath(normalizePath(fileName))); + + host.writeFile(fileName, data, writeByteOrderMark); + + performance.mark("afterIOWrite"); + performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite"); + } + catch (e) { + return createCompilerDiagnostic(Diagnostics.Could_not_write_file_0_Colon_1, fileName, e); + } + } + + function emitWithBuilder(program: Program): EmitResult { + builder.onProgramUpdateGraph(program); + const filesPendingToEmit = changedFilePaths; + changedFilePaths = []; + + const seenFiles = createMap(); + + let emitSkipped: boolean; + let diagnostics: Diagnostic[]; + const emittedFiles: string[] = program.getCompilerOptions().listEmittedFiles ? [] : undefined; + let sourceMaps: SourceMapData[]; + while (filesPendingToEmit.length) { + const filePath = filesPendingToEmit.pop(); + const affectedFiles = builder.getFilesAffectedBy(program, filePath); + for (const file of affectedFiles) { + if (!seenFiles.has(file)) { + seenFiles.set(file, true); + const sourceFile = program.getSourceFile(file); + if (sourceFile) { + writeFiles(builder.emitFile(program, sourceFile.path)); + } + } + } + } + + return { emitSkipped, diagnostics, emittedFiles, sourceMaps }; + + function writeFiles(emitOutput: EmitOutputDetailed) { + if (emitOutput.emitSkipped) { + emitSkipped = true; + } + + diagnostics = concatenate(diagnostics, emitOutput.diagnostics); + sourceMaps = concatenate(sourceMaps, emitOutput.sourceMaps); + // If it emitted more than one source files, just mark all those source files as seen + if (emitOutput.emittedSourceFiles && emitOutput.emittedSourceFiles.length > 1) { + for (const file of emitOutput.emittedSourceFiles) { + seenFiles.set(file.fileName, true); + } + } + for (const outputFile of emitOutput.outputFiles) { + const error = writeFile(outputFile.name, outputFile.text, outputFile.writeByteOrderMark); + if (error) { + (diagnostics || (diagnostics = [])).push(error); + } + if (emittedFiles) { + emittedFiles.push(outputFile.name); + } + } + } + } + } + + function fileExists(fileName: string) { + const path = toPath(fileName, currentDirectory, getCanonicalFileName); + const hostSourceFileInfo = sourceFilesCache.get(path); + if (hostSourceFileInfo !== undefined) { + return !isString(hostSourceFileInfo); + } + + return host.fileExists(fileName); + } + + function getDefaultLibLocation(): string { + return getDirectoryPath(normalizePath(host.getExecutingFilePath())); + } + + function getVersionedSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void, shouldCreateNewSourceFile?: boolean): SourceFile { + return getVersionedSourceFileByPath(fileName, toPath(fileName, currentDirectory, getCanonicalFileName), languageVersion, onError, shouldCreateNewSourceFile); + } + + function getVersionedSourceFileByPath(fileName: string, path: Path, languageVersion: ScriptTarget, onError?: (message: string) => void, shouldCreateNewSourceFile?: boolean): SourceFile { + const hostSourceFile = sourceFilesCache.get(path); + // No source file on the host + if (isString(hostSourceFile)) { + return undefined; + } + + // Create new source file if requested or the versions dont match + if (!hostSourceFile) { + changedFilePaths.push(path); + const sourceFile = getSourceFile(fileName, languageVersion, onError); + if (sourceFile) { + sourceFile.version = "0"; + const fileWatcher = watchSourceFileForChanges(sourceFile.path); + sourceFilesCache.set(path, { sourceFile, version: 0, fileWatcher }); + } + else { + sourceFilesCache.set(path, "0"); + } + return sourceFile; + } + else if (shouldCreateNewSourceFile || hostSourceFile.version.toString() !== hostSourceFile.sourceFile.version) { + changedFilePaths.push(path); + if (shouldCreateNewSourceFile) { + hostSourceFile.version++; + } + const newSourceFile = getSourceFile(fileName, languageVersion, onError); + if (newSourceFile) { + newSourceFile.version = hostSourceFile.version.toString(); + hostSourceFile.sourceFile = newSourceFile; + } + else { + // File doesnt exist any more + hostSourceFile.fileWatcher.close(); + sourceFilesCache.set(path, hostSourceFile.version.toString()); + } + + return newSourceFile; + } + + return hostSourceFile.sourceFile; + + function getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile { + let text: string; + try { + performance.mark("beforeIORead"); + text = host.readFile(fileName, compilerOptions.charset); + performance.mark("afterIORead"); + performance.measure("I/O Read", "beforeIORead", "afterIORead"); + } + catch (e) { + if (onError) { + onError(e.message); + } + text = ""; + } + + return text !== undefined ? createSourceFile(fileName, text, languageVersion) : undefined; + } + } + + function removeSourceFile(path: Path) { + const hostSourceFile = sourceFilesCache.get(path); + if (hostSourceFile !== undefined) { + if (!isString(hostSourceFile)) { + hostSourceFile.fileWatcher.close(); + } + sourceFilesCache.delete(path); + } + } + + function getSourceVersion(path: Path): string { + const hostSourceFile = sourceFilesCache.get(path); + return !hostSourceFile || isString(hostSourceFile) ? undefined : hostSourceFile.version.toString(); + } + + function onReleaseOldSourceFile(oldSourceFile: SourceFile, _oldOptions: CompilerOptions) { + const hostSourceFileInfo = sourceFilesCache.get(oldSourceFile.path); + // If this is the source file thats in the cache and new program doesnt need it, + // remove the cached entry. + // Note we arent deleting entry if file became missing in new program or + // there was version update and new source file was created. + if (hostSourceFileInfo && !isString(hostSourceFileInfo) && hostSourceFileInfo.sourceFile === oldSourceFile) { + sourceFilesCache.delete(oldSourceFile.path); + } + } + + // Upon detecting a file change, wait for 250ms and then perform a recompilation. This gives batch + // operations (such as saving all modified files in an editor) a chance to complete before we kick + // off a new compilation. + function scheduleProgramUpdate() { + if (!sys.setTimeout || !sys.clearTimeout) { + return; + } + + if (timerToUpdateProgram) { + sys.clearTimeout(timerToUpdateProgram); + } + timerToUpdateProgram = sys.setTimeout(updateProgram, 250); + } + + function scheduleProgramReload() { + Debug.assert(!!configFileName); + needsReload = true; + scheduleProgramUpdate(); + } + + function updateProgram() { + timerToUpdateProgram = undefined; + reportWatchDiagnostic(createCompilerDiagnostic(Diagnostics.File_change_detected_Starting_incremental_compilation)); + + if (needsReload) { + reloadConfigFile(); + } + else { + synchronizeProgram(); + } + } + + function reloadConfigFile() { + writeLog(`Reloading config file: ${configFileName}`); + reportWatchDiagnostic(createCompilerDiagnostic(Diagnostics.File_change_detected_Starting_incremental_compilation)); + + needsReload = false; + + const cachedHost = host as CachedSystem; + cachedHost.clearCache(); + const configParseResult = parseConfigFile(configFileName, optionsToExtendForConfigFile, cachedHost); + rootFileNames = configParseResult.fileNames; + compilerOptions = configParseResult.options; + configFileSpecs = configParseResult.configFileSpecs; + configFileWildCardDirectories = configParseResult.wildcardDirectories; + + synchronizeProgram(); + + // Update the wild card directory watch + watchConfigFileWildCardDirectories(); + } + + function watchSourceFileForChanges(path: Path) { + return host.watchFile(path, (fileName, eventKind) => onSourceFileChange(fileName, path, eventKind)); + } + + function onSourceFileChange(fileName: string, path: Path, eventKind: FileWatcherEventKind) { + writeLog(`Source file path : ${path} changed: ${FileWatcherEventKind[eventKind]}, fileName: ${fileName}`); + const hostSourceFile = sourceFilesCache.get(path); + if (hostSourceFile) { + // Update the cache + if (eventKind === FileWatcherEventKind.Deleted) { + if (!isString(hostSourceFile)) { + hostSourceFile.fileWatcher.close(); + sourceFilesCache.set(path, (hostSourceFile.version++).toString()); + } + } + else { + // Deleted file created + if (isString(hostSourceFile)) { + sourceFilesCache.delete(path); + } + else { + // file changed - just update the version + hostSourceFile.version++; + } + } + } + // Update the program + scheduleProgramUpdate(); + } + + function watchMissingFilePath(missingFilePath: Path) { + return host.watchFile(missingFilePath, (fileName, eventKind) => onMissingFileChange(fileName, missingFilePath, eventKind)); + } + + function closeMissingFilePathWatcher(_missingFilePath: Path, fileWatcher: FileWatcher) { + fileWatcher.close(); + } + + function onMissingFileChange(filename: string, missingFilePath: Path, eventKind: FileWatcherEventKind) { + writeLog(`Missing file path : ${missingFilePath} changed: ${FileWatcherEventKind[eventKind]}, fileName: ${filename}`); + if (eventKind === FileWatcherEventKind.Created && missingFilesMap.has(missingFilePath)) { + closeMissingFilePathWatcher(missingFilePath, missingFilesMap.get(missingFilePath)); + missingFilesMap.delete(missingFilePath); + + if (configFileName) { + const absoluteNormalizedPath = getNormalizedAbsolutePath(filename, getDirectoryPath(missingFilePath)); + (host as CachedSystem).addOrDeleteFileOrFolder(normalizePath(absoluteNormalizedPath)); + } + + // Delete the entry in the source files cache so that new source file is created + removeSourceFile(missingFilePath); + + // When a missing file is created, we should update the graph. + scheduleProgramUpdate(); + } + } + + function watchConfigFileWildCardDirectories() { + const wildcards = createMapFromTemplate(configFileWildCardDirectories); + watchedWildCardDirectories = updateWatchingWildcardDirectories( + watchedWildCardDirectories, wildcards, + watchWildCardDirectory, stopWatchingWildCardDirectory + ); + } + + function watchWildCardDirectory(directory: string, recursive: boolean) { + return host.watchDirectory(directory, fileName => + onFileAddOrRemoveInWatchedDirectory(getNormalizedAbsolutePath(fileName, directory)), + recursive); + } + + function stopWatchingWildCardDirectory(_directory: string, fileWatcher: FileWatcher, _recursive: boolean, _recursiveChanged: boolean) { + fileWatcher.close(); + } + + function onFileAddOrRemoveInWatchedDirectory(fileName: string) { + Debug.assert(!!configFileName); + (host as CachedSystem).addOrDeleteFileOrFolder(fileName); + + // Since the file existance changed, update the sourceFiles cache + removeSourceFile(toPath(fileName, currentDirectory, getCanonicalFileName)); + + // If a change was made inside "folder/file", node will trigger the callback twice: + // one with the fileName being "folder/file", and the other one with "folder". + // We don't respond to the second one. + if (fileName && !isSupportedSourceFileName(fileName, compilerOptions)) { + writeLog(`Project: ${configFileName} Detected file add/remove of non supported extension: ${fileName}`); + return; + } + + writeLog(`Project: ${configFileName} Detected file add/remove of supported extension: ${fileName}`); + + // Reload is pending, do the reload + if (!needsReload) { + const result = getFileNamesFromConfigSpecs(configFileSpecs, getDirectoryPath(configFileName), compilerOptions, host, /*extraFileExtensions*/ []); + if (!configFileSpecs.filesSpecs) { + reportDiagnostics([getErrorForNoInputFiles(configFileSpecs, configFileName)], /*host*/ undefined); + } + rootFileNames = result.fileNames; + + // Schedule Update the program + scheduleProgramUpdate(); + } + } + + function onConfigFileChanged(fileName: string, eventKind: FileWatcherEventKind) { + writeLog(`Config file : ${configFileName} changed: ${FileWatcherEventKind[eventKind]}, fileName: ${fileName}`); + scheduleProgramReload(); + } + + function writeLog(s: string) { + const hasDiagnostics = compilerOptions.diagnostics || compilerOptions.extendedDiagnostics; + if (hasDiagnostics) { + host.write(s); + } + } + + function computeHash(data: string) { + return sys.createHash ? sys.createHash(data) : data; + } + } + + interface CachedSystem extends System { + addOrDeleteFileOrFolder(fileOrFolder: string): void; + clearCache(): void; + } + + function createCachedSystem(host: System): CachedSystem { + const getFileSize = host.getFileSize ? (path: string) => host.getFileSize(path) : undefined; + const watchFile = host.watchFile ? (path: string, callback: FileWatcherCallback, pollingInterval?: number) => host.watchFile(path, callback, pollingInterval) : undefined; + const watchDirectory = host.watchDirectory ? (path: string, callback: DirectoryWatcherCallback, recursive?: boolean) => host.watchDirectory(path, callback, recursive) : undefined; + const getModifiedTime = host.getModifiedTime ? (path: string) => host.getModifiedTime(path) : undefined; + const createHash = host.createHash ? (data: string) => host.createHash(data) : undefined; + const getMemoryUsage = host.getMemoryUsage ? () => host.getMemoryUsage() : undefined; + const realpath = host.realpath ? (path: string) => host.realpath(path) : undefined; + const tryEnableSourceMapsForHost = host.tryEnableSourceMapsForHost ? () => host.tryEnableSourceMapsForHost() : undefined; + const setTimeout = host.setTimeout ? (callback: (...args: any[]) => void, ms: number, ...args: any[]) => host.setTimeout(callback, ms, ...args) : undefined; + const clearTimeout = host.clearTimeout ? (timeoutId: any) => host.clearTimeout(timeoutId) : undefined; + + const cachedHost = createCachedHost(host); + return { + args: host.args, + newLine: host.newLine, + useCaseSensitiveFileNames: host.useCaseSensitiveFileNames, + write: s => host.write(s), + readFile: (path, encoding?) => host.readFile(path, encoding), + getFileSize, + writeFile: (fileName, data, writeByteOrderMark?) => cachedHost.writeFile(fileName, data, writeByteOrderMark), + watchFile, + watchDirectory, + resolvePath: path => host.resolvePath(path), + fileExists: fileName => cachedHost.fileExists(fileName), + directoryExists: dir => cachedHost.directoryExists(dir), + createDirectory: dir => cachedHost.createDirectory(dir), + getExecutingFilePath: () => host.getExecutingFilePath(), + getCurrentDirectory: () => cachedHost.getCurrentDirectory(), + getDirectories: dir => cachedHost.getDirectories(dir), + readDirectory: (path, extensions, excludes, includes, depth) => cachedHost.readDirectory(path, extensions, excludes, includes, depth), + getModifiedTime, + createHash, + getMemoryUsage, + exit: exitCode => host.exit(exitCode), + realpath, + getEnvironmentVariable: name => host.getEnvironmentVariable(name), + tryEnableSourceMapsForHost, + debugMode: host.debugMode, + setTimeout, + clearTimeout, + addOrDeleteFileOrFolder: fileOrFolder => cachedHost.addOrDeleteFileOrFolder(fileOrFolder), + clearCache: () => cachedHost.clearCache() + }; + } + + /* @internal */ + export function parseConfigFile(configFileName: string, optionsToExtend: CompilerOptions, host: System): ParsedCommandLine { + let configFileText: string; + try { + configFileText = host.readFile(configFileName); + } + catch (e) { + const error = createCompilerDiagnostic(Diagnostics.Cannot_read_file_0_Colon_1, configFileName, e.message); + reportWatchDiagnostic(error); + host.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); + return; + } + if (!configFileText) { + const error = createCompilerDiagnostic(Diagnostics.File_0_not_found, configFileName); + reportDiagnostics([error], /* compilerHost */ undefined); + host.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped); + return; + } + + const result = parseJsonText(configFileName, configFileText); + reportDiagnostics(result.parseDiagnostics, /* compilerHost */ undefined); + + const cwd = host.getCurrentDirectory(); + const configParseResult = parseJsonSourceFileConfigFileContent(result, host, getNormalizedAbsolutePath(getDirectoryPath(configFileName), cwd), optionsToExtend, getNormalizedAbsolutePath(configFileName, cwd)); + reportDiagnostics(configParseResult.errors, /* compilerHost */ undefined); + + return configParseResult; + } + + function compile(fileNames: string[], compilerOptions: CompilerOptions, compilerHost: CompilerHost, oldProgram?: Program) { + const hasDiagnostics = compilerOptions.diagnostics || compilerOptions.extendedDiagnostics; + let statistics: Statistic[]; + if (hasDiagnostics) { + performance.enable(); + statistics = []; + } + + const program = createProgram(fileNames, compilerOptions, compilerHost, oldProgram); + const exitStatus = compileProgram(); + + if (compilerOptions.listFiles) { + forEach(program.getSourceFiles(), file => { + sys.write(file.fileName + sys.newLine); + }); + } + + if (hasDiagnostics) { + const memoryUsed = sys.getMemoryUsage ? 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"); + } + + const programTime = performance.getDuration("Program"); + const bindTime = performance.getDuration("Bind"); + const checkTime = performance.getDuration("Check"); + const emitTime = performance.getDuration("Emit"); + if (compilerOptions.extendedDiagnostics) { + performance.forEachMeasure((name, duration) => reportTimeStatistic(`${name} time`, duration)); + } + else { + // Individual component times. + // Note: To match the behavior of previous versions of the compiler, the reported parse time includes + // I/O read time and processing time for triple-slash references and module imports, and the reported + // emit time includes I/O write time. We preserve this behavior so we can accurately compare times. + reportTimeStatistic("I/O read", performance.getDuration("I/O Read")); + reportTimeStatistic("I/O write", performance.getDuration("I/O Write")); + reportTimeStatistic("Parse time", programTime); + reportTimeStatistic("Bind time", bindTime); + reportTimeStatistic("Check time", checkTime); + reportTimeStatistic("Emit time", emitTime); + } + reportTimeStatistic("Total time", programTime + bindTime + checkTime + emitTime); + reportStatistics(); + + performance.disable(); + } + + return { program, exitStatus }; + + function compileProgram(): ExitStatus { + let diagnostics: Diagnostic[]; + + // First get and report any syntactic errors. + diagnostics = program.getSyntacticDiagnostics(); + + // If we didn't have any syntactic errors, then also try getting the global and + // semantic errors. + if (diagnostics.length === 0) { + diagnostics = program.getOptionsDiagnostics().concat(program.getGlobalDiagnostics()); + + if (diagnostics.length === 0) { + diagnostics = program.getSemanticDiagnostics(); + } + } + + // Emit and report any errors we ran into. + let emitOutput: EmitResult; + if (compilerHost.emitWithBuilder) { + emitOutput = compilerHost.emitWithBuilder(program); + } + else { + // Emit whole program + emitOutput = program.emit(); + } + diagnostics = diagnostics.concat(emitOutput.diagnostics); + + reportDiagnostics(sortAndDeduplicateDiagnostics(diagnostics), compilerHost); + + reportEmittedFiles(emitOutput.emittedFiles); + if (emitOutput.emitSkipped && diagnostics.length > 0) { + // If the emitter didn't emit anything, then pass that value along. + return ExitStatus.DiagnosticsPresent_OutputsSkipped; + } + else if (diagnostics.length > 0) { + // The emitter emitted something, inform the caller if that happened in the presence + // of diagnostics or not. + return ExitStatus.DiagnosticsPresent_OutputsGenerated; + } + return ExitStatus.Success; + } + + function reportStatistics() { + let nameSize = 0; + let valueSize = 0; + for (const { name, value } of statistics) { + if (name.length > nameSize) { + nameSize = name.length; + } + + if (value.length > valueSize) { + valueSize = value.length; + } + } + + for (const { name, value } of statistics) { + sys.write(padRight(name + ":", nameSize + 2) + padLeft(value.toString(), valueSize) + sys.newLine); + } + } + + function reportStatisticalValue(name: string, value: string) { + statistics.push({ name, value }); + } + + function reportCountStatistic(name: string, count: number) { + reportStatisticalValue(name, "" + count); + } + + function reportTimeStatistic(name: string, time: number) { + reportStatisticalValue(name, (time / 1000).toFixed(2) + "s"); + } + } + + function printVersion() { + sys.write(getDiagnosticText(Diagnostics.Version_0, ts.version) + sys.newLine); + } + + function printHelp(showAllOptions: boolean) { + const output: string[] = []; + + // We want to align our "syntax" and "examples" commands to a certain margin. + const syntaxLength = getDiagnosticText(Diagnostics.Syntax_Colon_0, "").length; + const examplesLength = getDiagnosticText(Diagnostics.Examples_Colon_0, "").length; + let marginLength = Math.max(syntaxLength, examplesLength); + + // Build up the syntactic skeleton. + let syntax = makePadding(marginLength - syntaxLength); + syntax += "tsc [" + getDiagnosticText(Diagnostics.options) + "] [" + getDiagnosticText(Diagnostics.file) + " ...]"; + + output.push(getDiagnosticText(Diagnostics.Syntax_Colon_0, syntax)); + output.push(sys.newLine + sys.newLine); + + // Build up the list of examples. + const padding = makePadding(marginLength); + output.push(getDiagnosticText(Diagnostics.Examples_Colon_0, makePadding(marginLength - examplesLength) + "tsc hello.ts") + sys.newLine); + output.push(padding + "tsc --outFile file.js file.ts" + sys.newLine); + output.push(padding + "tsc @args.txt" + sys.newLine); + output.push(sys.newLine); + + output.push(getDiagnosticText(Diagnostics.Options_Colon) + sys.newLine); + + // Sort our options by their names, (e.g. "--noImplicitAny" comes before "--watch") + const optsList = showAllOptions ? + optionDeclarations.slice().sort((a, b) => compareValues(a.name.toLowerCase(), b.name.toLowerCase())) : + filter(optionDeclarations.slice(), v => v.showInSimplifiedHelpView); + + // We want our descriptions to align at the same column in our output, + // so we keep track of the longest option usage string. + marginLength = 0; + const usageColumn: string[] = []; // Things like "-d, --declaration" go in here. + const descriptionColumn: string[] = []; + + const optionsDescriptionMap = createMap(); // Map between option.description and list of option.type if it is a kind + + for (let i = 0; i < optsList.length; i++) { + const option = optsList[i]; + + // If an option lacks a description, + // it is not officially supported. + if (!option.description) { + continue; + } + + let usageText = " "; + if (option.shortName) { + usageText += "-" + option.shortName; + usageText += getParamType(option); + usageText += ", "; + } + + usageText += "--" + option.name; + usageText += getParamType(option); + + usageColumn.push(usageText); + let description: string; + + if (option.name === "lib") { + description = getDiagnosticText(option.description); + const element = (option).element; + const typeMap = >element.type; + optionsDescriptionMap.set(description, arrayFrom(typeMap.keys()).map(key => `'${key}'`)); + } + else { + description = getDiagnosticText(option.description); + } + + descriptionColumn.push(description); + + // Set the new margin for the description column if necessary. + marginLength = Math.max(usageText.length, marginLength); + } + + // Special case that can't fit in the loop. + const usageText = " @<" + getDiagnosticText(Diagnostics.file) + ">"; + usageColumn.push(usageText); + descriptionColumn.push(getDiagnosticText(Diagnostics.Insert_command_line_options_and_files_from_a_file)); + marginLength = Math.max(usageText.length, marginLength); + + // Print out each row, aligning all the descriptions on the same column. + for (let i = 0; i < usageColumn.length; i++) { + const usage = usageColumn[i]; + const description = descriptionColumn[i]; + const kindsList = optionsDescriptionMap.get(description); + output.push(usage + makePadding(marginLength - usage.length + 2) + description + sys.newLine); + + if (kindsList) { + output.push(makePadding(marginLength + 4)); + for (const kind of kindsList) { + output.push(kind + " "); + } + output.push(sys.newLine); + } + } + + for (const line of output) { + sys.write(line); + } + return; + + function getParamType(option: CommandLineOption) { + if (option.paramType !== undefined) { + return " " + getDiagnosticText(option.paramType); + } + return ""; + } + + function makePadding(paddingLength: number): string { + return Array(paddingLength + 1).join(" "); + } + } + + function writeConfigFile(options: CompilerOptions, fileNames: string[]) { + const currentDirectory = sys.getCurrentDirectory(); + const file = normalizePath(combinePaths(currentDirectory, "tsconfig.json")); + if (sys.fileExists(file)) { + reportDiagnostic(createCompilerDiagnostic(Diagnostics.A_tsconfig_json_file_is_already_defined_at_Colon_0, file), /* host */ undefined); + } + else { + sys.writeFile(file, generateTSConfig(options, fileNames, sys.newLine)); + reportDiagnostic(createCompilerDiagnostic(Diagnostics.Successfully_created_a_tsconfig_json_file), /* host */ undefined); + } + + return; + } +} + +if (ts.Debug.isDebugging) { + ts.Debug.enableDebugInfo(); +} + +if (ts.sys.tryEnableSourceMapsForHost && /^development$/i.test(ts.sys.getEnvironmentVariable("NODE_ENV"))) { + ts.sys.tryEnableSourceMapsForHost(); +} diff --git a/src/compiler/tsconfig.json b/src/compiler/tsconfig.json index 6c50bef7216..360819f2b36 100644 --- a/src/compiler/tsconfig.json +++ b/src/compiler/tsconfig.json @@ -38,6 +38,7 @@ "program.ts", "builder.ts", "commandLineParser.ts", + "tscLib.ts", "tsc.ts", "diagnosticInformationMap.generated.ts" ]