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cache semantic and declaration diagnostics in program (#14516)

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Vladimir Matveev 2017-03-07 13:26:41 -08:00 committed by GitHub
parent 3e5b232e88
commit fab4ef0bde
1 changed files with 43 additions and 1 deletions
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44
src/compiler/program.ts
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@ -290,6 +290,11 @@ namespace ts {
return resolutions;
}
interface DiagnosticCache {
perFile?: FileMap<Diagnostic[]>;
allDiagnostics?: Diagnostic[];
}
export function createProgram(rootNames: string[], options: CompilerOptions, host?: CompilerHost, oldProgram?: Program): Program {
let program: Program;
let files: SourceFile[] = [];
@ -298,6 +303,9 @@ namespace ts {
let noDiagnosticsTypeChecker: TypeChecker;
let classifiableNames: Map<string>;
let cachedSemanticDiagnosticsForFile: DiagnosticCache = {};
let cachedDeclarationDiagnosticsForFile: DiagnosticCache = {};
let resolvedTypeReferenceDirectives = createMap<ResolvedTypeReferenceDirective>();
let fileProcessingDiagnostics = createDiagnosticCollection();
@ -899,6 +907,10 @@ namespace ts {
}
function getSemanticDiagnosticsForFile(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
return getAndCacheDiagnostics(sourceFile, cancellationToken, cachedSemanticDiagnosticsForFile, getSemanticDiagnosticsForFileNoCache);
}
function getSemanticDiagnosticsForFileNoCache(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
return runWithCancellationToken(() => {
const typeChecker = getDiagnosticsProducingTypeChecker();
@ -1094,7 +1106,11 @@ namespace ts {
});
}
function getDeclarationDiagnosticsWorker(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
function getDeclarationDiagnosticsWorker(sourceFile: SourceFile | undefined, cancellationToken: CancellationToken): Diagnostic[] {
return getAndCacheDiagnostics(sourceFile, cancellationToken, cachedDeclarationDiagnosticsForFile, getDeclarationDiagnosticsForFileNoCache);
}
function getDeclarationDiagnosticsForFileNoCache(sourceFile: SourceFile| undefined, cancellationToken: CancellationToken) {
return runWithCancellationToken(() => {
const resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken);
// Don't actually write any files since we're just getting diagnostics.
@ -1102,6 +1118,32 @@ namespace ts {
});
}
function getAndCacheDiagnostics(
sourceFile: SourceFile | undefined,
cancellationToken: CancellationToken,
cache: DiagnosticCache,
getDiagnostics: (sourceFile: SourceFile, cancellationToken: CancellationToken) => Diagnostic[]) {
const cachedResult = sourceFile
? cache.perFile && cache.perFile.get(sourceFile.path)
: cache.allDiagnostics;
if (cachedResult) {
return cachedResult;
}
const result = getDiagnostics(sourceFile, cancellationToken) || emptyArray;
if (sourceFile) {
if (!cache.perFile) {
cache.perFile = createFileMap<Diagnostic[]>();
}
cache.perFile.set(sourceFile.path, result);
}
else {
cache.allDiagnostics = result;
}
return result;
}
function getDeclarationDiagnosticsForFile(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
return isDeclarationFile(sourceFile) ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken);
}