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Add diagnostics for relation cache size (#30999)

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* Add diagnostics for relation cache size

* Move to extendedDiagnostics

* Single method that returns a 3-property object

* Fix double-space lint
This commit is contained in:
Nathan Shively-Sanders 2019-04-17 14:32:18 -07:00 committed by GitHub
parent 169e485d90
commit 4420d1083b
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 12 additions and 0 deletions
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5
src/compiler/checker.ts
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@ -114,6 +114,11 @@ namespace ts {
getIdentifierCount: () => sum(host.getSourceFiles(), "identifierCount"),
getSymbolCount: () => sum(host.getSourceFiles(), "symbolCount") + symbolCount,
getTypeCount: () => typeCount,
getRelationCacheSizes: () => ({
assignable: assignableRelation.size,
identity: identityRelation.size,
subtype: subtypeRelation.size,
}),
isUndefinedSymbol: symbol => symbol === undefinedSymbol,
isArgumentsSymbol: symbol => symbol === argumentsSymbol,
isUnknownSymbol: symbol => symbol === unknownSymbol,

1
src/compiler/program.ts
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@ -927,6 +927,7 @@ namespace ts {
getIdentifierCount: () => getDiagnosticsProducingTypeChecker().getIdentifierCount(),
getSymbolCount: () => getDiagnosticsProducingTypeChecker().getSymbolCount(),
getTypeCount: () => getDiagnosticsProducingTypeChecker().getTypeCount(),
getRelationCacheSizes: () => getDiagnosticsProducingTypeChecker().getRelationCacheSizes(),
getFileProcessingDiagnostics: () => fileProcessingDiagnostics,
getResolvedTypeReferenceDirectives: () => resolvedTypeReferenceDirectives,
isSourceFileFromExternalLibrary,

2
src/compiler/types.ts
View file

@ -2961,6 +2961,7 @@ namespace ts {
/* @internal */ getIdentifierCount(): number;
/* @internal */ getSymbolCount(): number;
/* @internal */ getTypeCount(): number;
/* @internal */ getRelationCacheSizes(): { assignable: number, identity: number, subtype: number };
/* @internal */ getFileProcessingDiagnostics(): DiagnosticCollection;
/* @internal */ getResolvedTypeReferenceDirectives(): Map<ResolvedTypeReferenceDirective | undefined>;
@ -3246,6 +3247,7 @@ namespace ts {
/* @internal */ getIdentifierCount(): number;
/* @internal */ getSymbolCount(): number;
/* @internal */ getTypeCount(): number;
/* @internal */ getRelationCacheSizes(): { assignable: number, identity: number, subtype: number };
/* @internal */ isArrayType(type: Type): boolean;
/* @internal */ isTupleType(type: Type): boolean;

4
src/tsc/tsc.ts
View file

@ -340,6 +340,10 @@ namespace ts {
const checkTime = performance.getDuration("Check");
const emitTime = performance.getDuration("Emit");
if (compilerOptions.extendedDiagnostics) {
const caches = program.getRelationCacheSizes();
reportCountStatistic("Assignability cache size", caches.assignable);
reportCountStatistic("Identity cache size", caches.identity);
reportCountStatistic("Subtype cache size", caches.subtype);
performance.forEachMeasure((name, duration) => reportTimeStatistic(`${name} time`, duration));
}
else {