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test module reuse

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This commit is contained in:
Arthur Ozga
2017-04-20 18:55:15 -07:00
parent 7966c08cc4
commit 0ea1b82a85
6 changed files with 118 additions and 92 deletions
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12
src/compiler/program.ts
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@@ -387,7 +387,7 @@ namespace ts {
const structuralChanges = tryReuseStructureFromOldProgram();
if (structuralChanges === StructuralChangesFromOldProgram.None) {
Debug.assert(oldProgram.structureIsReused === true);
Debug.assert(oldProgram.structureIsReused === StructureIsReused.Completely);
}
else {
forEach(rootNames, name => processRootFile(name, /*isDefaultLib*/ false));
@@ -648,18 +648,21 @@ namespace ts {
// if any of these properties has changed - structure cannot be reused
const oldOptions = oldProgram.getCompilerOptions();
if (changesAffectModuleResolution(oldOptions, options)) {
oldProgram.structureIsReused = StructureIsReused.Not;
return StructuralChangesFromOldProgram.ModuleResolutionOptions;
}
Debug.assert(!oldProgram.structureIsReused);
Debug.assert(!(oldProgram.structureIsReused & (StructureIsReused.Completely | StructureIsReused.ModulesInUneditedFiles)));
// there is an old program, check if we can reuse its structure
const oldRootNames = oldProgram.getRootFileNames();
if (!arrayIsEqualTo(oldRootNames, rootNames)) {
oldProgram.structureIsReused = StructureIsReused.Not;
return StructuralChangesFromOldProgram.RootNames;
}
if (!arrayIsEqualTo(options.types, oldOptions.types)) {
oldProgram.structureIsReused = StructureIsReused.Not;
return StructuralChangesFromOldProgram.TypesOptions;
}
@@ -670,7 +673,7 @@ namespace ts {
let structuralChanges = StructuralChangesFromOldProgram.None;
for (const oldSourceFile of oldProgram.getSourceFiles()) {
let newSourceFile = host.getSourceFileByPath
const newSourceFile = host.getSourceFileByPath
? host.getSourceFileByPath(oldSourceFile.fileName, oldSourceFile.path, options.target)
: host.getSourceFile(oldSourceFile.fileName, options.target);
@@ -720,6 +723,7 @@ namespace ts {
}
if (structuralChanges !== StructuralChangesFromOldProgram.None) {
oldProgram.structureIsReused = structuralChanges & StructuralChangesFromOldProgram.CannotReuseResolution ? StructureIsReused.Not : StructureIsReused.ModulesInUneditedFiles;
return structuralChanges;
}
@@ -763,8 +767,8 @@ namespace ts {
fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile.newFile);
}
resolvedTypeReferenceDirectives = oldProgram.getResolvedTypeReferenceDirectives();
oldProgram.structureIsReused = true;
oldProgram.structureIsReused = StructureIsReused.Completely;
return StructuralChangesFromOldProgram.None;
}