Use 'noop' for NullLogger
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@ -4,8 +4,6 @@ namespace ts {
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export const versionMajorMinor = "3.6";
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/** The version of the TypeScript compiler release */
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export const version = `${versionMajorMinor}.0-dev`;
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perfLogger.logInfoEvent(`Starting TypeScript v${versionMajorMinor} with command line: ${JSON.stringify(process.argv)}`);
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}
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namespace ts {
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@ -1,69 +1,28 @@
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/* @internal */
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namespace ts {
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export type PerfLogger = typeof import("@microsoft/typescript-etw"); // tslint:disable-line:no-implicit-dependencies
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export class NullLogger implements PerfLogger {
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logEvent(_msg: string): void {
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return;
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}
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logErrEvent(_msg: string): void {
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return;
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}
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logPerfEvent(_msg: string): void {
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return;
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}
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logInfoEvent(_msg: string): void {
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return;
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}
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logStartCommand(_command: string, _msg: string): void {
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return;
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}
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logStopCommand(_command: string, _msg: string): void {
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return;
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}
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logStartUpdateProgram(_msg: string): void {
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return;
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}
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logStopUpdateProgram(_msg: string): void {
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return;
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}
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logStartUpdateGraph(): void {
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return;
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}
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logStopUpdateGraph(): void {
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return;
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}
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logStartResolveModule(_name: string): void {
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return;
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}
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logStopResolveModule(_success: string): void {
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return;
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}
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logStartParseSourceFile(_filename: string): void {
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return;
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}
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logStopParseSourceFile(): void {
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return;
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}
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logStartReadFile(_filename: string): void {
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return;
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}
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logStopReadFile(): void {
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return;
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}
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logStartBindFile(_filename: string): void {
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return;
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}
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logStopBindFile(): void {
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return;
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}
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logStartScheduledOperation(_operationId: string): void {
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return;
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}
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logStopScheduledOperation(): void {
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return;
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}
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}
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type PerfLogger = typeof import("@microsoft/typescript-etw"); // tslint:disable-line:no-implicit-dependencies
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const nullLogger: PerfLogger = {
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logEvent: noop,
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logErrEvent: noop,
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logPerfEvent: noop,
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logInfoEvent: noop,
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logStartCommand: noop,
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logStopCommand: noop,
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logStartUpdateProgram: noop,
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logStopUpdateProgram: noop,
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logStartUpdateGraph: noop,
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logStopUpdateGraph: noop,
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logStartResolveModule: noop,
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logStopResolveModule: noop,
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logStartParseSourceFile: noop,
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logStopParseSourceFile: noop,
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logStartReadFile: noop,
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logStopReadFile: noop,
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logStartBindFile: noop,
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logStopBindFile: noop,
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logStartScheduledOperation: noop,
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logStopScheduledOperation: noop,
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};
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// Load optional module to enable Event Tracing for Windows
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// See https://github.com/microsoft/typescript-etw for more information
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@ -77,5 +36,8 @@ namespace ts {
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etwModule = undefined;
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}
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export const perfLogger: PerfLogger = etwModule ? etwModule : new NullLogger();
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/** Performance logger that will generate ETW events if possible */
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export const perfLogger: PerfLogger = etwModule ? etwModule : nullLogger;
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perfLogger.logInfoEvent(`Starting TypeScript v${versionMajorMinor} with command line: ${JSON.stringify(process.argv)}`);
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}
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@ -7,10 +7,10 @@
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"references": [],
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"files": [
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"perfLogger.ts",
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"core.ts",
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"debug.ts",
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"performance.ts",
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"perfLogger.ts",
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"semver.ts",
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"types.ts",
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