diff --git a/src/compiler/core.ts b/src/compiler/core.ts index 063b619c690..e4c22752fc9 100644 --- a/src/compiler/core.ts +++ b/src/compiler/core.ts @@ -1120,6 +1120,18 @@ namespace ts { } } + export function getEnvironmentVariable(name: string, host?: CompilerHost) { + if (host && host.getEnvironmentVariable) { + return host.getEnvironmentVariable(name); + } + + if (sys && sys.getEnvironmentVariable) { + return sys.getEnvironmentVariable(name); + } + + return ""; + } + export function copyListRemovingItem(item: T, list: T[]) { const copiedList: T[] = []; for (const e of list) { @@ -1139,9 +1151,8 @@ namespace ts { /** Performance measurements for the compiler. */ /*@internal*/ export namespace performance { - let counters: Map = {}; - let measures: Map = {}; - let enabled = false; + let counters: Map; + let measures: Map; /** * Increments a counter with the specified name. @@ -1149,7 +1160,7 @@ namespace ts { * @param counterName The name of the counter. */ export function increment(counterName: string) { - if (enabled) { + if (counters) { counters[counterName] = (getProperty(counters, counterName) || 0) + 1; } } @@ -1160,14 +1171,14 @@ namespace ts { * @param counterName The name of the counter. */ export function getCount(counterName: string) { - return enabled && getProperty(counters, counterName) || 0; + return counters && getProperty(counters, counterName) || 0; } /** * Marks the start of a performance measurement. */ export function mark() { - return enabled ? Date.now() : 0; + return measures ? Date.now() : 0; } /** @@ -1177,7 +1188,7 @@ namespace ts { * @param marker The timestamp of the starting mark. */ export function measure(measureName: string, marker: number) { - if (enabled) { + if (measures) { measures[measureName] = (getProperty(measures, measureName) || 0) + (mark() - marker); } } @@ -1188,25 +1199,29 @@ namespace ts { * @param measureName The name of the measure whose durations should be accumulated. */ export function getDuration(measureName: string) { - return enabled && getProperty(measures, measureName) || 0; + return measures && getProperty(measures, measureName) || 0; } - /** - * Resets all marks and measurements in the performance service. - */ - export function reset() { - counters = {}; - measures = {}; - } - - /** Enables performance measurements for the compiler. */ + /** Enables (and resets) performance measurements for the compiler. */ export function enable() { - enabled = true; + counters = { }; + measures = { + programTime: 0, + parseTime: 0, + bindTime: 0, + emitTime: 0, + ioReadTime: 0, + ioWriteTime: 0, + printTime: 0, + commentTime: 0, + sourceMapTime: 0 + }; } - /** Disables performance measurements for the compiler. */ + /** Disables (and clears) performance measurements for the compiler. */ export function disable() { - enabled = false; + counters = undefined; + measures = undefined; } } } diff --git a/src/compiler/transformer.ts b/src/compiler/transformer.ts index 9e58b02c208..a448893f345 100644 --- a/src/compiler/transformer.ts +++ b/src/compiler/transformer.ts @@ -23,6 +23,100 @@ namespace ts { EmitNotifications = 1 << 1, } + /* @internal */ + export interface TransformationContext extends LexicalEnvironment { + getCompilerOptions(): CompilerOptions; + getEmitResolver(): EmitResolver; + getEmitHost(): EmitHost; + + /** + * Gets flags used to customize later transformations or emit. + */ + getNodeEmitFlags(node: Node): NodeEmitFlags; + + /** + * Sets flags used to customize later transformations or emit. + */ + setNodeEmitFlags(node: T, flags: NodeEmitFlags): T; + + /** + * Gets the TextRange to use for source maps for the node. + */ + getSourceMapRange(node: Node): TextRange; + + /** + * Sets the TextRange to use for source maps for the node. + */ + setSourceMapRange(node: T, range: TextRange): T; + + /** + * Gets the TextRange to use for source maps for a token of a node. + */ + getTokenSourceMapRange(node: Node, token: SyntaxKind): TextRange; + + /** + * Sets the TextRange to use for source maps for a token of a node. + */ + setTokenSourceMapRange(node: T, token: SyntaxKind, range: TextRange): T; + + /** + * Gets the TextRange to use for comments for the node. + */ + getCommentRange(node: Node): TextRange; + + /** + * Sets the TextRange to use for comments for the node. + */ + setCommentRange(node: T, range: TextRange): T; + + /** + * Hoists a function declaration to the containing scope. + */ + hoistFunctionDeclaration(node: FunctionDeclaration): void; + + /** + * Hoists a variable declaration to the containing scope. + */ + hoistVariableDeclaration(node: Identifier): void; + + /** + * Enables expression substitutions in the pretty printer for the provided SyntaxKind. + */ + enableSubstitution(kind: SyntaxKind): void; + + /** + * Determines whether expression substitutions are enabled for the provided node. + */ + isSubstitutionEnabled(node: Node): boolean; + + /** + * Hook used by transformers to substitute expressions just before they + * are emitted by the pretty printer. + */ + onSubstituteNode?: (node: Node, isExpression: boolean) => Node; + + /** + * Enables before/after emit notifications in the pretty printer for the provided + * SyntaxKind. + */ + enableEmitNotification(kind: SyntaxKind): void; + + /** + * Determines whether before/after emit notifications should be raised in the pretty + * printer when it emits a node. + */ + isEmitNotificationEnabled(node: Node): boolean; + + /** + * Hook used to allow transformers to capture state before or after + * the printer emits a node. + */ + onEmitNode?: (node: Node, emit: (node: Node) => void) => void; + } + + /* @internal */ + export type Transformer = (context: TransformationContext) => (node: SourceFile) => SourceFile; + export function getTransformers(compilerOptions: CompilerOptions) { const jsx = compilerOptions.jsx; const languageVersion = getEmitScriptTarget(compilerOptions); diff --git a/src/compiler/tsc.ts b/src/compiler/tsc.ts index 24c54e71170..5a1bd894551 100644 --- a/src/compiler/tsc.ts +++ b/src/compiler/tsc.ts @@ -560,7 +560,6 @@ namespace ts { let statistics: Statistic[]; if (compilerOptions.diagnostics || compilerOptions.extendedDiagnostics) { performance.enable(); - performance.reset(); statistics = []; } @@ -610,7 +609,6 @@ namespace ts { reportStatistics(); performance.disable(); - performance.reset(); } return { program, exitStatus }; diff --git a/src/compiler/types.ts b/src/compiler/types.ts index dab53172807..32ce7d4e505 100644 --- a/src/compiler/types.ts +++ b/src/compiler/types.ts @@ -3019,99 +3019,6 @@ namespace ts { endLexicalEnvironment(): Statement[]; } - /* @internal */ - export interface TransformationContext extends LexicalEnvironment { - getCompilerOptions(): CompilerOptions; - getEmitResolver(): EmitResolver; - getEmitHost(): EmitHost; - - /** - * Gets flags used to customize later transformations or emit. - */ - getNodeEmitFlags(node: Node): NodeEmitFlags; - - /** - * Sets flags used to customize later transformations or emit. - */ - setNodeEmitFlags(node: T, flags: NodeEmitFlags): T; - - /** - * Gets the TextRange to use for source maps for the node. - */ - getSourceMapRange(node: Node): TextRange; - - /** - * Sets the TextRange to use for source maps for the node. - */ - setSourceMapRange(node: T, range: TextRange): T; - - /** - * Gets the TextRange to use for source maps for a token of a node. - */ - getTokenSourceMapRange(node: Node, token: SyntaxKind): TextRange; - - /** - * Sets the TextRange to use for source maps for a token of a node. - */ - setTokenSourceMapRange(node: T, token: SyntaxKind, range: TextRange): T; - - /** - * Gets the TextRange to use for comments for the node. - */ - getCommentRange(node: Node): TextRange; - - /** - * Sets the TextRange to use for comments for the node. - */ - setCommentRange(node: T, range: TextRange): T; - - /** - * Hoists a function declaration to the containing scope. - */ - hoistFunctionDeclaration(node: FunctionDeclaration): void; - - /** - * Hoists a variable declaration to the containing scope. - */ - hoistVariableDeclaration(node: Identifier): void; - - /** - * Enables expression substitutions in the pretty printer for the provided SyntaxKind. - */ - enableSubstitution(kind: SyntaxKind): void; - - /** - * Determines whether expression substitutions are enabled for the provided node. - */ - isSubstitutionEnabled(node: Node): boolean; - - /** - * Hook used by transformers to substitute expressions just before they - * are emitted by the pretty printer. - */ - onSubstituteNode?: (node: Node, isExpression: boolean) => Node; - - /** - * Enables before/after emit notifications in the pretty printer for the provided - * SyntaxKind. - */ - enableEmitNotification(kind: SyntaxKind): void; - - /** - * Determines whether before/after emit notifications should be raised in the pretty - * printer when it emits a node. - */ - isEmitNotificationEnabled(node: Node): boolean; - - /** - * Hook used to allow transformers to capture state before or after - * the printer emits a node. - */ - onEmitNode?: (node: Node, emit: (node: Node) => void) => void; - } - - /* @internal */ - export type Transformer = (context: TransformationContext) => (node: SourceFile) => SourceFile; export interface TextSpan { start: number; diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts index d3b54d0ac78..11df44c99b9 100644 --- a/src/compiler/utilities.ts +++ b/src/compiler/utilities.ts @@ -226,18 +226,6 @@ namespace ts { return `${ file.fileName }(${ loc.line + 1 },${ loc.character + 1 })`; } - export function getEnvironmentVariable(name: string, host?: CompilerHost) { - if (host && host.getEnvironmentVariable) { - return host.getEnvironmentVariable(name); - } - - if (sys && sys.getEnvironmentVariable) { - return sys.getEnvironmentVariable(name); - } - - return ""; - } - export function getStartPosOfNode(node: Node): number { return node.pos; }