| //===--- ARCMT.cpp - Migration to ARC mode --------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "Internals.h" |
| #include "clang/Frontend/ASTUnit.h" |
| #include "clang/Frontend/CompilerInstance.h" |
| #include "clang/Frontend/FrontendAction.h" |
| #include "clang/Frontend/TextDiagnosticPrinter.h" |
| #include "clang/Frontend/Utils.h" |
| #include "clang/AST/ASTConsumer.h" |
| #include "clang/Rewrite/Rewriter.h" |
| #include "clang/Sema/SemaDiagnostic.h" |
| #include "clang/Basic/DiagnosticCategories.h" |
| #include "clang/Lex/Preprocessor.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include "llvm/ADT/Triple.h" |
| using namespace clang; |
| using namespace arcmt; |
| |
| bool CapturedDiagList::clearDiagnostic(ArrayRef<unsigned> IDs, |
| SourceRange range) { |
| if (range.isInvalid()) |
| return false; |
| |
| bool cleared = false; |
| ListTy::iterator I = List.begin(); |
| while (I != List.end()) { |
| FullSourceLoc diagLoc = I->getLocation(); |
| if ((IDs.empty() || // empty means clear all diagnostics in the range. |
| std::find(IDs.begin(), IDs.end(), I->getID()) != IDs.end()) && |
| !diagLoc.isBeforeInTranslationUnitThan(range.getBegin()) && |
| (diagLoc == range.getEnd() || |
| diagLoc.isBeforeInTranslationUnitThan(range.getEnd()))) { |
| cleared = true; |
| ListTy::iterator eraseS = I++; |
| while (I != List.end() && I->getLevel() == DiagnosticsEngine::Note) |
| ++I; |
| // Clear the diagnostic and any notes following it. |
| List.erase(eraseS, I); |
| continue; |
| } |
| |
| ++I; |
| } |
| |
| return cleared; |
| } |
| |
| bool CapturedDiagList::hasDiagnostic(ArrayRef<unsigned> IDs, |
| SourceRange range) const { |
| if (range.isInvalid()) |
| return false; |
| |
| ListTy::const_iterator I = List.begin(); |
| while (I != List.end()) { |
| FullSourceLoc diagLoc = I->getLocation(); |
| if ((IDs.empty() || // empty means any diagnostic in the range. |
| std::find(IDs.begin(), IDs.end(), I->getID()) != IDs.end()) && |
| !diagLoc.isBeforeInTranslationUnitThan(range.getBegin()) && |
| (diagLoc == range.getEnd() || |
| diagLoc.isBeforeInTranslationUnitThan(range.getEnd()))) { |
| return true; |
| } |
| |
| ++I; |
| } |
| |
| return false; |
| } |
| |
| void CapturedDiagList::reportDiagnostics(DiagnosticsEngine &Diags) const { |
| for (ListTy::const_iterator I = List.begin(), E = List.end(); I != E; ++I) |
| Diags.Report(*I); |
| } |
| |
| bool CapturedDiagList::hasErrors() const { |
| for (ListTy::const_iterator I = List.begin(), E = List.end(); I != E; ++I) |
| if (I->getLevel() >= DiagnosticsEngine::Error) |
| return true; |
| |
| return false; |
| } |
| |
| namespace { |
| |
| class CaptureDiagnosticConsumer : public DiagnosticConsumer { |
| DiagnosticsEngine &Diags; |
| CapturedDiagList &CapturedDiags; |
| public: |
| CaptureDiagnosticConsumer(DiagnosticsEngine &diags, |
| CapturedDiagList &capturedDiags) |
| : Diags(diags), CapturedDiags(capturedDiags) { } |
| |
| virtual void HandleDiagnostic(DiagnosticsEngine::Level level, |
| const Diagnostic &Info) { |
| if (DiagnosticIDs::isARCDiagnostic(Info.getID()) || |
| level >= DiagnosticsEngine::Error || level == DiagnosticsEngine::Note) { |
| CapturedDiags.push_back(StoredDiagnostic(level, Info)); |
| return; |
| } |
| |
| // Non-ARC warnings are ignored. |
| Diags.setLastDiagnosticIgnored(); |
| } |
| |
| DiagnosticConsumer *clone(DiagnosticsEngine &Diags) const { |
| // Just drop any diagnostics that come from cloned consumers; they'll |
| // have different source managers anyway. |
| return new IgnoringDiagConsumer(); |
| } |
| }; |
| |
| } // end anonymous namespace |
| |
| static inline StringRef SimulatorVersionDefineName() { |
| return "__IPHONE_OS_VERSION_MIN_REQUIRED="; |
| } |
| |
| /// \brief Parse the simulator version define: |
| /// __IPHONE_OS_VERSION_MIN_REQUIRED=([0-9])([0-9][0-9])([0-9][0-9]) |
| // and return the grouped values as integers, e.g: |
| // __IPHONE_OS_VERSION_MIN_REQUIRED=40201 |
| // will return Major=4, Minor=2, Micro=1. |
| static bool GetVersionFromSimulatorDefine(StringRef define, |
| unsigned &Major, unsigned &Minor, |
| unsigned &Micro) { |
| assert(define.startswith(SimulatorVersionDefineName())); |
| StringRef name, version; |
| llvm::tie(name, version) = define.split('='); |
| if (version.empty()) |
| return false; |
| std::string verstr = version.str(); |
| char *end; |
| unsigned num = (unsigned) strtol(verstr.c_str(), &end, 10); |
| if (*end != '\0') |
| return false; |
| Major = num / 10000; |
| num = num % 10000; |
| Minor = num / 100; |
| Micro = num % 100; |
| return true; |
| } |
| |
| static bool HasARCRuntime(CompilerInvocation &origCI) { |
| // This duplicates some functionality from Darwin::AddDeploymentTarget |
| // but this function is well defined, so keep it decoupled from the driver |
| // and avoid unrelated complications. |
| |
| for (unsigned i = 0, e = origCI.getPreprocessorOpts().Macros.size(); |
| i != e; ++i) { |
| StringRef define = origCI.getPreprocessorOpts().Macros[i].first; |
| bool isUndef = origCI.getPreprocessorOpts().Macros[i].second; |
| if (isUndef) |
| continue; |
| if (!define.startswith(SimulatorVersionDefineName())) |
| continue; |
| unsigned Major = 0, Minor = 0, Micro = 0; |
| if (GetVersionFromSimulatorDefine(define, Major, Minor, Micro) && |
| Major < 10 && Minor < 100 && Micro < 100) |
| return Major >= 5; |
| } |
| |
| llvm::Triple triple(origCI.getTargetOpts().Triple); |
| |
| if (triple.getOS() == llvm::Triple::IOS) |
| return triple.getOSMajorVersion() >= 5; |
| |
| if (triple.getOS() == llvm::Triple::Darwin) |
| return triple.getOSMajorVersion() >= 11; |
| |
| if (triple.getOS() == llvm::Triple::MacOSX) { |
| unsigned Major, Minor, Micro; |
| triple.getOSVersion(Major, Minor, Micro); |
| return Major > 10 || (Major == 10 && Minor >= 7); |
| } |
| |
| return false; |
| } |
| |
| static CompilerInvocation * |
| createInvocationForMigration(CompilerInvocation &origCI) { |
| OwningPtr<CompilerInvocation> CInvok; |
| CInvok.reset(new CompilerInvocation(origCI)); |
| CInvok->getPreprocessorOpts().ImplicitPCHInclude = std::string(); |
| CInvok->getPreprocessorOpts().ImplicitPTHInclude = std::string(); |
| std::string define = getARCMTMacroName(); |
| define += '='; |
| CInvok->getPreprocessorOpts().addMacroDef(define); |
| CInvok->getLangOpts()->ObjCAutoRefCount = true; |
| CInvok->getLangOpts()->setGC(LangOptions::NonGC); |
| CInvok->getDiagnosticOpts().ErrorLimit = 0; |
| CInvok->getDiagnosticOpts().Warnings.push_back( |
| "error=arc-unsafe-retained-assign"); |
| CInvok->getLangOpts()->ObjCRuntimeHasWeak = HasARCRuntime(origCI); |
| |
| return CInvok.take(); |
| } |
| |
| static void emitPremigrationErrors(const CapturedDiagList &arcDiags, |
| const DiagnosticOptions &diagOpts, |
| Preprocessor &PP) { |
| TextDiagnosticPrinter printer(llvm::errs(), diagOpts); |
| llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); |
| llvm::IntrusiveRefCntPtr<DiagnosticsEngine> Diags( |
| new DiagnosticsEngine(DiagID, &printer, /*ShouldOwnClient=*/false)); |
| Diags->setSourceManager(&PP.getSourceManager()); |
| |
| printer.BeginSourceFile(PP.getLangOptions(), &PP); |
| arcDiags.reportDiagnostics(*Diags); |
| printer.EndSourceFile(); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // checkForManualIssues. |
| //===----------------------------------------------------------------------===// |
| |
| bool arcmt::checkForManualIssues(CompilerInvocation &origCI, |
| const FrontendInputFile &Input, |
| DiagnosticConsumer *DiagClient, |
| bool emitPremigrationARCErrors, |
| StringRef plistOut) { |
| if (!origCI.getLangOpts()->ObjC1) |
| return false; |
| |
| LangOptions::GCMode OrigGCMode = origCI.getLangOpts()->getGC(); |
| bool NoNSAllocReallocError = origCI.getMigratorOpts().NoNSAllocReallocError; |
| bool NoFinalizeRemoval = origCI.getMigratorOpts().NoFinalizeRemoval; |
| |
| std::vector<TransformFn> transforms = arcmt::getAllTransformations(OrigGCMode, |
| NoFinalizeRemoval); |
| assert(!transforms.empty()); |
| |
| OwningPtr<CompilerInvocation> CInvok; |
| CInvok.reset(createInvocationForMigration(origCI)); |
| CInvok->getFrontendOpts().Inputs.clear(); |
| CInvok->getFrontendOpts().Inputs.push_back(Input); |
| |
| CapturedDiagList capturedDiags; |
| |
| assert(DiagClient); |
| llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); |
| llvm::IntrusiveRefCntPtr<DiagnosticsEngine> Diags( |
| new DiagnosticsEngine(DiagID, DiagClient, /*ShouldOwnClient=*/false)); |
| |
| // Filter of all diagnostics. |
| CaptureDiagnosticConsumer errRec(*Diags, capturedDiags); |
| Diags->setClient(&errRec, /*ShouldOwnClient=*/false); |
| |
| OwningPtr<ASTUnit> Unit( |
| ASTUnit::LoadFromCompilerInvocationAction(CInvok.take(), Diags)); |
| if (!Unit) |
| return true; |
| |
| // Don't filter diagnostics anymore. |
| Diags->setClient(DiagClient, /*ShouldOwnClient=*/false); |
| |
| ASTContext &Ctx = Unit->getASTContext(); |
| |
| if (Diags->hasFatalErrorOccurred()) { |
| Diags->Reset(); |
| DiagClient->BeginSourceFile(Ctx.getLangOptions(), &Unit->getPreprocessor()); |
| capturedDiags.reportDiagnostics(*Diags); |
| DiagClient->EndSourceFile(); |
| return true; |
| } |
| |
| if (emitPremigrationARCErrors) |
| emitPremigrationErrors(capturedDiags, origCI.getDiagnosticOpts(), |
| Unit->getPreprocessor()); |
| if (!plistOut.empty()) { |
| SmallVector<StoredDiagnostic, 8> arcDiags; |
| for (CapturedDiagList::iterator |
| I = capturedDiags.begin(), E = capturedDiags.end(); I != E; ++I) |
| arcDiags.push_back(*I); |
| writeARCDiagsToPlist(plistOut, arcDiags, |
| Ctx.getSourceManager(), Ctx.getLangOptions()); |
| } |
| |
| // After parsing of source files ended, we want to reuse the |
| // diagnostics objects to emit further diagnostics. |
| // We call BeginSourceFile because DiagnosticConsumer requires that |
| // diagnostics with source range information are emitted only in between |
| // BeginSourceFile() and EndSourceFile(). |
| DiagClient->BeginSourceFile(Ctx.getLangOptions(), &Unit->getPreprocessor()); |
| |
| // No macros will be added since we are just checking and we won't modify |
| // source code. |
| std::vector<SourceLocation> ARCMTMacroLocs; |
| |
| TransformActions testAct(*Diags, capturedDiags, Ctx, Unit->getPreprocessor()); |
| MigrationPass pass(Ctx, OrigGCMode, Unit->getSema(), testAct, ARCMTMacroLocs); |
| pass.setNSAllocReallocError(NoNSAllocReallocError); |
| pass.setNoFinalizeRemoval(NoFinalizeRemoval); |
| |
| for (unsigned i=0, e = transforms.size(); i != e; ++i) |
| transforms[i](pass); |
| |
| capturedDiags.reportDiagnostics(*Diags); |
| |
| DiagClient->EndSourceFile(); |
| |
| // If we are migrating code that gets the '-fobjc-arc' flag, make sure |
| // to remove it so that we don't get errors from normal compilation. |
| origCI.getLangOpts()->ObjCAutoRefCount = false; |
| |
| return capturedDiags.hasErrors() || testAct.hasReportedErrors(); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // applyTransformations. |
| //===----------------------------------------------------------------------===// |
| |
| static bool applyTransforms(CompilerInvocation &origCI, |
| const FrontendInputFile &Input, |
| DiagnosticConsumer *DiagClient, |
| StringRef outputDir, |
| bool emitPremigrationARCErrors, |
| StringRef plistOut) { |
| if (!origCI.getLangOpts()->ObjC1) |
| return false; |
| |
| LangOptions::GCMode OrigGCMode = origCI.getLangOpts()->getGC(); |
| |
| // Make sure checking is successful first. |
| CompilerInvocation CInvokForCheck(origCI); |
| if (arcmt::checkForManualIssues(CInvokForCheck, Input, DiagClient, |
| emitPremigrationARCErrors, plistOut)) |
| return true; |
| |
| CompilerInvocation CInvok(origCI); |
| CInvok.getFrontendOpts().Inputs.clear(); |
| CInvok.getFrontendOpts().Inputs.push_back(Input); |
| |
| MigrationProcess migration(CInvok, DiagClient, outputDir); |
| bool NoFinalizeRemoval = origCI.getMigratorOpts().NoFinalizeRemoval; |
| |
| std::vector<TransformFn> transforms = arcmt::getAllTransformations(OrigGCMode, |
| NoFinalizeRemoval); |
| assert(!transforms.empty()); |
| |
| for (unsigned i=0, e = transforms.size(); i != e; ++i) { |
| bool err = migration.applyTransform(transforms[i]); |
| if (err) return true; |
| } |
| |
| llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); |
| llvm::IntrusiveRefCntPtr<DiagnosticsEngine> Diags( |
| new DiagnosticsEngine(DiagID, DiagClient, /*ShouldOwnClient=*/false)); |
| |
| if (outputDir.empty()) { |
| origCI.getLangOpts()->ObjCAutoRefCount = true; |
| return migration.getRemapper().overwriteOriginal(*Diags); |
| } else { |
| // If we are migrating code that gets the '-fobjc-arc' flag, make sure |
| // to remove it so that we don't get errors from normal compilation. |
| origCI.getLangOpts()->ObjCAutoRefCount = false; |
| return migration.getRemapper().flushToDisk(outputDir, *Diags); |
| } |
| } |
| |
| bool arcmt::applyTransformations(CompilerInvocation &origCI, |
| const FrontendInputFile &Input, |
| DiagnosticConsumer *DiagClient) { |
| return applyTransforms(origCI, Input, DiagClient, |
| StringRef(), false, StringRef()); |
| } |
| |
| bool arcmt::migrateWithTemporaryFiles(CompilerInvocation &origCI, |
| const FrontendInputFile &Input, |
| DiagnosticConsumer *DiagClient, |
| StringRef outputDir, |
| bool emitPremigrationARCErrors, |
| StringRef plistOut) { |
| assert(!outputDir.empty() && "Expected output directory path"); |
| return applyTransforms(origCI, Input, DiagClient, |
| outputDir, emitPremigrationARCErrors, plistOut); |
| } |
| |
| bool arcmt::getFileRemappings(std::vector<std::pair<std::string,std::string> > & |
| remap, |
| StringRef outputDir, |
| DiagnosticConsumer *DiagClient) { |
| assert(!outputDir.empty()); |
| |
| llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); |
| llvm::IntrusiveRefCntPtr<DiagnosticsEngine> Diags( |
| new DiagnosticsEngine(DiagID, DiagClient, /*ShouldOwnClient=*/false)); |
| |
| FileRemapper remapper; |
| bool err = remapper.initFromDisk(outputDir, *Diags, |
| /*ignoreIfFilesChanged=*/true); |
| if (err) |
| return true; |
| |
| CompilerInvocation CI; |
| remapper.applyMappings(CI); |
| remap = CI.getPreprocessorOpts().RemappedFiles; |
| |
| return false; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // CollectTransformActions. |
| //===----------------------------------------------------------------------===// |
| |
| namespace { |
| |
| class ARCMTMacroTrackerPPCallbacks : public PPCallbacks { |
| std::vector<SourceLocation> &ARCMTMacroLocs; |
| |
| public: |
| ARCMTMacroTrackerPPCallbacks(std::vector<SourceLocation> &ARCMTMacroLocs) |
| : ARCMTMacroLocs(ARCMTMacroLocs) { } |
| |
| virtual void MacroExpands(const Token &MacroNameTok, const MacroInfo *MI, |
| SourceRange Range) { |
| if (MacroNameTok.getIdentifierInfo()->getName() == getARCMTMacroName()) |
| ARCMTMacroLocs.push_back(MacroNameTok.getLocation()); |
| } |
| }; |
| |
| class ARCMTMacroTrackerAction : public ASTFrontendAction { |
| std::vector<SourceLocation> &ARCMTMacroLocs; |
| |
| public: |
| ARCMTMacroTrackerAction(std::vector<SourceLocation> &ARCMTMacroLocs) |
| : ARCMTMacroLocs(ARCMTMacroLocs) { } |
| |
| virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI, |
| StringRef InFile) { |
| CI.getPreprocessor().addPPCallbacks( |
| new ARCMTMacroTrackerPPCallbacks(ARCMTMacroLocs)); |
| return new ASTConsumer(); |
| } |
| }; |
| |
| class RewritesApplicator : public TransformActions::RewriteReceiver { |
| Rewriter &rewriter; |
| ASTContext &Ctx; |
| MigrationProcess::RewriteListener *Listener; |
| |
| public: |
| RewritesApplicator(Rewriter &rewriter, ASTContext &ctx, |
| MigrationProcess::RewriteListener *listener) |
| : rewriter(rewriter), Ctx(ctx), Listener(listener) { |
| if (Listener) |
| Listener->start(ctx); |
| } |
| ~RewritesApplicator() { |
| if (Listener) |
| Listener->finish(); |
| } |
| |
| virtual void insert(SourceLocation loc, StringRef text) { |
| bool err = rewriter.InsertText(loc, text, /*InsertAfter=*/true, |
| /*indentNewLines=*/true); |
| if (!err && Listener) |
| Listener->insert(loc, text); |
| } |
| |
| virtual void remove(CharSourceRange range) { |
| Rewriter::RewriteOptions removeOpts; |
| removeOpts.IncludeInsertsAtBeginOfRange = false; |
| removeOpts.IncludeInsertsAtEndOfRange = false; |
| removeOpts.RemoveLineIfEmpty = true; |
| |
| bool err = rewriter.RemoveText(range, removeOpts); |
| if (!err && Listener) |
| Listener->remove(range); |
| } |
| |
| virtual void increaseIndentation(CharSourceRange range, |
| SourceLocation parentIndent) { |
| rewriter.IncreaseIndentation(range, parentIndent); |
| } |
| }; |
| |
| } // end anonymous namespace. |
| |
| /// \brief Anchor for VTable. |
| MigrationProcess::RewriteListener::~RewriteListener() { } |
| |
| MigrationProcess::MigrationProcess(const CompilerInvocation &CI, |
| DiagnosticConsumer *diagClient, |
| StringRef outputDir) |
| : OrigCI(CI), DiagClient(diagClient) { |
| if (!outputDir.empty()) { |
| llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); |
| llvm::IntrusiveRefCntPtr<DiagnosticsEngine> Diags( |
| new DiagnosticsEngine(DiagID, DiagClient, /*ShouldOwnClient=*/false)); |
| Remapper.initFromDisk(outputDir, *Diags, /*ignoreIfFilesChanges=*/true); |
| } |
| } |
| |
| bool MigrationProcess::applyTransform(TransformFn trans, |
| RewriteListener *listener) { |
| OwningPtr<CompilerInvocation> CInvok; |
| CInvok.reset(createInvocationForMigration(OrigCI)); |
| CInvok->getDiagnosticOpts().IgnoreWarnings = true; |
| |
| Remapper.applyMappings(*CInvok); |
| |
| CapturedDiagList capturedDiags; |
| std::vector<SourceLocation> ARCMTMacroLocs; |
| |
| assert(DiagClient); |
| llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); |
| llvm::IntrusiveRefCntPtr<DiagnosticsEngine> Diags( |
| new DiagnosticsEngine(DiagID, DiagClient, /*ShouldOwnClient=*/false)); |
| |
| // Filter of all diagnostics. |
| CaptureDiagnosticConsumer errRec(*Diags, capturedDiags); |
| Diags->setClient(&errRec, /*ShouldOwnClient=*/false); |
| |
| OwningPtr<ARCMTMacroTrackerAction> ASTAction; |
| ASTAction.reset(new ARCMTMacroTrackerAction(ARCMTMacroLocs)); |
| |
| OwningPtr<ASTUnit> Unit( |
| ASTUnit::LoadFromCompilerInvocationAction(CInvok.take(), Diags, |
| ASTAction.get())); |
| if (!Unit) |
| return true; |
| Unit->setOwnsRemappedFileBuffers(false); // FileRemapper manages that. |
| |
| // Don't filter diagnostics anymore. |
| Diags->setClient(DiagClient, /*ShouldOwnClient=*/false); |
| |
| ASTContext &Ctx = Unit->getASTContext(); |
| |
| if (Diags->hasFatalErrorOccurred()) { |
| Diags->Reset(); |
| DiagClient->BeginSourceFile(Ctx.getLangOptions(), &Unit->getPreprocessor()); |
| capturedDiags.reportDiagnostics(*Diags); |
| DiagClient->EndSourceFile(); |
| return true; |
| } |
| |
| // After parsing of source files ended, we want to reuse the |
| // diagnostics objects to emit further diagnostics. |
| // We call BeginSourceFile because DiagnosticConsumer requires that |
| // diagnostics with source range information are emitted only in between |
| // BeginSourceFile() and EndSourceFile(). |
| DiagClient->BeginSourceFile(Ctx.getLangOptions(), &Unit->getPreprocessor()); |
| |
| Rewriter rewriter(Ctx.getSourceManager(), Ctx.getLangOptions()); |
| TransformActions TA(*Diags, capturedDiags, Ctx, Unit->getPreprocessor()); |
| MigrationPass pass(Ctx, OrigCI.getLangOpts()->getGC(), |
| Unit->getSema(), TA, ARCMTMacroLocs); |
| |
| trans(pass); |
| |
| { |
| RewritesApplicator applicator(rewriter, Ctx, listener); |
| TA.applyRewrites(applicator); |
| } |
| |
| DiagClient->EndSourceFile(); |
| |
| if (DiagClient->getNumErrors()) |
| return true; |
| |
| for (Rewriter::buffer_iterator |
| I = rewriter.buffer_begin(), E = rewriter.buffer_end(); I != E; ++I) { |
| FileID FID = I->first; |
| RewriteBuffer &buf = I->second; |
| const FileEntry *file = Ctx.getSourceManager().getFileEntryForID(FID); |
| assert(file); |
| std::string newFname = file->getName(); |
| newFname += "-trans"; |
| SmallString<512> newText; |
| llvm::raw_svector_ostream vecOS(newText); |
| buf.write(vecOS); |
| vecOS.flush(); |
| llvm::MemoryBuffer *memBuf = llvm::MemoryBuffer::getMemBufferCopy( |
| StringRef(newText.data(), newText.size()), newFname); |
| SmallString<64> filePath(file->getName()); |
| Unit->getFileManager().FixupRelativePath(filePath); |
| Remapper.remap(filePath.str(), memBuf); |
| } |
| |
| return false; |
| } |
