microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-02-13 06:20:23 -06:00
Code Issues Packages Projects Releases 212 Wiki Activity

Add tracepoints within createProgram

Browse Source 
These were useful during the Midgard investigation.
This commit is contained in:
Andrew Casey 2020-10-08 17:08:21 -07:00
parent 97083ea6a2
commit 0b31e487c2
1 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/compiler/program.ts
View File

@ -867,11 +867,15 @@ namespace ts {
forEachResolvedProjectReference
});
tracing.begin(tracing.Phase.Program, "shouldProgramCreateNewSourceFiles", { hasOldProgram: !!oldProgram });
const shouldCreateNewSourceFile = shouldProgramCreateNewSourceFiles(oldProgram, options);
tracing.end();
// We set `structuralIsReused` to `undefined` because `tryReuseStructureFromOldProgram` calls `tryReuseStructureFromOldProgram` which checks
// `structuralIsReused`, which would be a TDZ violation if it was not set in advance to `undefined`.
let structureIsReused: StructureIsReused;
tracing.begin(tracing.Phase.Program, "tryReuseStructureFromOldProgram", {});
structureIsReused = tryReuseStructureFromOldProgram(); // eslint-disable-line prefer-const
tracing.end();
if (structureIsReused !== StructureIsReused.Completely) {
processingDefaultLibFiles = [];
processingOtherFiles = [];
@ -907,12 +911,15 @@ namespace ts {
}
}
tracing.begin(tracing.Phase.Program, "processRootFiles", { count: rootNames.length });
forEach(rootNames, name => processRootFile(name, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false));
tracing.end();
// load type declarations specified via 'types' argument or implicitly from types/ and node_modules/@types folders
const typeReferences: string[] = rootNames.length ? getAutomaticTypeDirectiveNames(options, host) : emptyArray;
if (typeReferences.length) {
tracing.begin(tracing.Phase.Program, "processTypeReferences", { count: typeReferences.length });
// This containingFilename needs to match with the one used in managed-side
const containingDirectory = options.configFilePath ? getDirectoryPath(options.configFilePath) : host.getCurrentDirectory();
const containingFilename = combinePaths(containingDirectory, inferredTypesContainingFile);
@ -920,6 +927,7 @@ namespace ts {
for (let i = 0; i < typeReferences.length; i++) {
processTypeReferenceDirective(typeReferences[i], resolutions[i]);
}
tracing.end();
}
// Do not process the default library if:
@ -1041,10 +1049,12 @@ namespace ts {
if (!moduleNames.length) return emptyArray;
const containingFileName = getNormalizedAbsolutePath(containingFile.originalFileName, currentDirectory);
const redirectedReference = getRedirectReferenceForResolution(containingFile);
tracing.begin(tracing.Phase.Program, "resolveModuleNamesWorker", { containingFileName });
performance.mark("beforeResolveModule");
const result = actualResolveModuleNamesWorker(moduleNames, containingFileName, reusedNames, redirectedReference);
performance.mark("afterResolveModule");
performance.measure("ResolveModule", "beforeResolveModule", "afterResolveModule");
tracing.end();
return result;
}
@ -2426,6 +2436,17 @@ namespace ts {
// Get source file from normalized fileName
function findSourceFile(fileName: string, path: Path, isDefaultLib: boolean, ignoreNoDefaultLib: boolean, refFile: RefFile | undefined, packageId: PackageId | undefined): SourceFile | undefined {
tracing.begin(tracing.Phase.Program, "findSourceFile", {
fileName,
isDefaultLib: isDefaultLib || undefined,
refKind: refFile ? (RefFileKind as any)[refFile.kind] : undefined,
});
const result = findSourceFileWorker(fileName, path, isDefaultLib, ignoreNoDefaultLib, refFile, packageId);
tracing.end();
return result;
}
function findSourceFileWorker(fileName: string, path: Path, isDefaultLib: boolean, ignoreNoDefaultLib: boolean, refFile: RefFile | undefined, packageId: PackageId | undefined): SourceFile | undefined {
if (useSourceOfProjectReferenceRedirect) {
let source = getSourceOfProjectReferenceRedirect(fileName);
// If preserveSymlinks is true, module resolution wont jump the symlink
@ -2750,6 +2771,16 @@ namespace ts {
resolvedTypeReferenceDirective?: ResolvedTypeReferenceDirective,
refFile?: RefFile
): void {
tracing.begin(tracing.Phase.Program, "processTypeReferenceDirective", { directive: typeReferenceDirective, hasResolved: !!resolveModuleNamesReusingOldState, refKind: refFile?.kind, refPath: refFile?.file.path });
processTypeReferenceDirectiveWorker(typeReferenceDirective, resolvedTypeReferenceDirective, refFile);
tracing.end();
}
function processTypeReferenceDirectiveWorker(
typeReferenceDirective: string,
resolvedTypeReferenceDirective?: ResolvedTypeReferenceDirective,
refFile?: RefFile
): void {
// If we already found this library as a primary reference - nothing to do
const previousResolution = resolvedTypeReferenceDirectives.get(typeReferenceDirective);