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make enum bitflag and add trace message

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Arthur Ozga
2017-04-20 11:02:35 -07:00
parent 044152e50f
commit 7966c08cc4
3 changed files with 87 additions and 22 deletions
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29
src/compiler/program.ts
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@@ -8,17 +8,17 @@ namespace ts {
const enum StructuralChangesFromOldProgram {
None = 0,
NoOldProgram = 1,
ModuleResolutionOptions = 2,
RootNames = 3,
TypesOptions = 4,
SourceFileRemoved = 5,
HasNoDefaultLib = 6,
TripleSlashReferences = 7,
Imports = 8,
ModuleAugmentations = 9,
TripleSlashTypesReferences = 10,
None = 0,
NoOldProgram = 1 << 1,
ModuleResolutionOptions = 1 << 2,
RootNames = 1 << 3,
TypesOptions = 1 << 4,
SourceFileRemoved = 1 << 5,
HasNoDefaultLib = 1 << 6,
TripleSlashReferences = 1 << 7,
Imports = 1 << 8,
ModuleAugmentations = 1 << 9,
TripleSlashTypesReferences = 1 << 10,
CannotReuseResolution = NoOldProgram | ModuleResolutionOptions | RootNames | TypesOptions | SourceFileRemoved
}
@@ -520,6 +520,9 @@ namespace ts {
const oldSourceFile = oldProgramState.program && oldProgramState.program.getSourceFile(containingFile);
if (oldSourceFile === file) {
// `file` is unchanged from the old program, so we can reuse old module resolutions.
if (isTraceEnabled(options, host)) {
trace(host, Diagnostics.Reusing_module_resolutions_originating_in_0_since_this_file_was_not_modified, file.path);
}
const oldSourceFileResult: ResolvedModuleFull[] = [];
for (const moduleName of moduleNames) {
const resolvedModule = oldSourceFile.resolvedModules.get(moduleName);
@@ -710,10 +713,6 @@ namespace ts {
// tentatively approve the file
modifiedSourceFiles.push({ oldFile: oldSourceFile, newFile: newSourceFile });
}
else {
// file has no changes - use it as is
newSourceFile = oldSourceFile;
}
// if file has passed all checks it should be safe to reuse it
newSourceFiles.push(newSourceFile);