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Merge pull request #7228 from Microsoft/bundledDeclarationEmit

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avoid multiple passes over the program when computing diagnostics for…
This commit is contained in:
Vladimir Matveev
2016-02-24 15:25:41 -08:00
parent e5dd34f9e6
commit e51fb151e8
2 changed files with 18 additions and 9 deletions
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25
src/compiler/program.ts
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@@ -677,7 +677,14 @@ namespace ts {
}
function getDeclarationDiagnostics(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken);
const options = program.getCompilerOptions();
// collect diagnostics from the program only once if either no source file was specified or out/outFile is set (bundled emit)
if (!sourceFile || options.out || options.outFile) {
return getDeclarationDiagnosticsWorker(sourceFile, cancellationToken);
}
else {
return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken);
}
}
function getSyntacticDiagnosticsForFile(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
@@ -890,17 +897,19 @@ namespace ts {
});
}
function getDeclarationDiagnosticsForFile(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
function getDeclarationDiagnosticsWorker(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
return runWithCancellationToken(() => {
if (!isDeclarationFile(sourceFile)) {
const resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken);
// Don't actually write any files since we're just getting diagnostics.
const writeFile: WriteFileCallback = () => { };
return ts.getDeclarationDiagnostics(getEmitHost(writeFile), resolver, sourceFile);
}
const resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken);
// Don't actually write any files since we're just getting diagnostics.
const writeFile: WriteFileCallback = () => { };
return ts.getDeclarationDiagnostics(getEmitHost(writeFile), resolver, sourceFile);
});
}
function getDeclarationDiagnosticsForFile(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
return isDeclarationFile(sourceFile) ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken);
}
function getOptionsDiagnostics(): Diagnostic[] {
const allDiagnostics: Diagnostic[] = [];
addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics());