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405 lines (339 loc) · 17 KB
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/// <reference path="program.ts"/>
/// <reference path="watch.ts"/>
/// <reference path="commandLineParser.ts"/>
namespace ts {
interface Statistic {
name: string;
value: string;
}
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 <string>diagnostic.messageText;
}
let reportDiagnostic = createDiagnosticReporter(sys, reportDiagnosticSimply);
function udpateReportDiagnostic(options: CompilerOptions) {
if (options.pretty) {
reportDiagnostic = createDiagnosticReporter(sys, reportDiagnosticWithColorAndContext);
}
}
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;
}
export function executeCommandLine(args: string[]): void {
const commandLine = parseCommandLine(args);
// Configuration file name (if any)
let configFileName: string;
if (commandLine.options.locale) {
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, reportDiagnostic);
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 (commandLine.fileNames.length !== 0) {
reportDiagnostic(createCompilerDiagnostic(Diagnostics.Option_project_cannot_be_mixed_with_source_files_on_a_command_line));
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));
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));
return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
}
}
else if (commandLine.fileNames.length === 0) {
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 reportWatchDiagnostic = createWatchDiagnosticReporter();
const configParseResult = parseConfigFile(configFileName, commandLineOptions, sys, reportDiagnostic, reportWatchDiagnostic);
udpateReportDiagnostic(configParseResult.options);
if (isWatchSet(configParseResult.options)) {
reportWatchModeWithoutSysSupport();
createWatchModeWithConfigFile(configParseResult, commandLineOptions, createWatchingSystemHost(reportWatchDiagnostic));
}
else {
performCompilation(configParseResult.fileNames, configParseResult.options);
}
}
else {
udpateReportDiagnostic(commandLineOptions);
if (isWatchSet(commandLineOptions)) {
reportWatchModeWithoutSysSupport();
createWatchModeWithoutConfigFile(commandLine.fileNames, commandLineOptions, createWatchingSystemHost());
}
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"));
sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
}
function performCompilation(rootFileNames: string[], compilerOptions: CompilerOptions) {
const compilerHost = createCompilerHost(compilerOptions);
enableStatistics(compilerOptions);
const program = createProgram(rootFileNames, compilerOptions, compilerHost);
const exitStatus = compileProgram(program);
reportStatistics(program);
return sys.exit(exitStatus);
}
function createWatchingSystemHost(reportWatchDiagnostic?: DiagnosticReporter) {
const watchingHost = ts.createWatchingSystemHost(/*pretty*/ undefined, sys, parseConfigFile, reportDiagnostic, reportWatchDiagnostic);
watchingHost.beforeCompile = enableStatistics;
const afterCompile = watchingHost.afterCompile;
watchingHost.afterCompile = (host, program, builder) => {
afterCompile(host, program, builder);
reportStatistics(program);
};
return watchingHost;
}
function compileProgram(program: Program): ExitStatus {
let diagnostics: Diagnostic[];
// First get and report any syntactic errors.
diagnostics = program.getSyntacticDiagnostics().slice();
// 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().slice();
}
}
// Emit and report any errors we ran into.
const { emittedFiles, emitSkipped, diagnostics: emitDiagnostics } = program.emit();
addRange(diagnostics, emitDiagnostics);
return handleEmitOutputAndReportErrors(sys, program, emittedFiles, emitSkipped, diagnostics, reportDiagnostic);
}
function enableStatistics(compilerOptions: CompilerOptions) {
if (compilerOptions.diagnostics || compilerOptions.extendedDiagnostics) {
performance.enable();
}
}
function reportStatistics(program: Program) {
let statistics: Statistic[];
const compilerOptions = program.getCompilerOptions();
if (compilerOptions.diagnostics || compilerOptions.extendedDiagnostics) {
statistics = [];
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();
}
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 ?
sort(optionDeclarations, (a, b) => compareStringsCaseInsensitive(a.name, b.name)) :
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<string[]>(); // Map between option.description and list of option.type if it is a kind
for (const option of optsList) {
// 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 = (<CommandLineOptionOfListType>option).element;
const typeMap = <Map<number | string>>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));
}
else {
sys.writeFile(file, generateTSConfig(options, fileNames, sys.newLine));
reportDiagnostic(createCompilerDiagnostic(Diagnostics.Successfully_created_a_tsconfig_json_file));
}
return;
}
}
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);
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