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);
IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
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.getLangOpts(), &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.getLangOpts());
}
// 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.getLangOpts(), &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();
}
ChainedIncludesSource *ChainedIncludesSource::create(CompilerInstance &CI) {
std::vector<std::string> &includes = CI.getPreprocessorOpts().ChainedIncludes;
assert(!includes.empty() && "No '-chain-include' in options!");
OwningPtr<ChainedIncludesSource> source(new ChainedIncludesSource());
InputKind IK = CI.getFrontendOpts().Inputs[0].getKind();
SmallVector<llvm::MemoryBuffer *, 4> serialBufs;
SmallVector<std::string, 4> serialBufNames;
for (unsigned i = 0, e = includes.size(); i != e; ++i) {
bool firstInclude = (i == 0);
OwningPtr<CompilerInvocation> CInvok;
CInvok.reset(new CompilerInvocation(CI.getInvocation()));
CInvok->getPreprocessorOpts().ChainedIncludes.clear();
CInvok->getPreprocessorOpts().ImplicitPCHInclude.clear();
CInvok->getPreprocessorOpts().ImplicitPTHInclude.clear();
CInvok->getPreprocessorOpts().DisablePCHValidation = true;
CInvok->getPreprocessorOpts().Includes.clear();
CInvok->getPreprocessorOpts().MacroIncludes.clear();
CInvok->getPreprocessorOpts().Macros.clear();
CInvok->getFrontendOpts().Inputs.clear();
FrontendInputFile InputFile(includes[i], IK);
CInvok->getFrontendOpts().Inputs.push_back(InputFile);
TextDiagnosticPrinter *DiagClient =
new TextDiagnosticPrinter(llvm::errs(), new DiagnosticOptions());
IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
IntrusiveRefCntPtr<DiagnosticsEngine> Diags(
new DiagnosticsEngine(DiagID, &CI.getDiagnosticOpts(), DiagClient));
OwningPtr<CompilerInstance> Clang(new CompilerInstance());
Clang->setInvocation(CInvok.take());
Clang->setDiagnostics(Diags.getPtr());
Clang->setTarget(TargetInfo::CreateTargetInfo(Clang->getDiagnostics(),
Clang->getTargetOpts()));
Clang->createFileManager();
Clang->createSourceManager(Clang->getFileManager());
Clang->createPreprocessor();
Clang->getDiagnosticClient().BeginSourceFile(Clang->getLangOpts(),
&Clang->getPreprocessor());
Clang->createASTContext();
SmallVector<char, 256> serialAST;
llvm::raw_svector_ostream OS(serialAST);
OwningPtr<ASTConsumer> consumer;
consumer.reset(new PCHGenerator(Clang->getPreprocessor(), "-", 0,
/*isysroot=*/"", &OS));
Clang->getPreprocessor().setPPMutationListener(
consumer->GetPPMutationListener());
Clang->getASTContext().setASTMutationListener(
consumer->GetASTMutationListener());
Clang->setASTConsumer(consumer.take());
Clang->createSema(TU_Prefix, 0);
if (firstInclude) {
Preprocessor &PP = Clang->getPreprocessor();
PP.getBuiltinInfo().InitializeBuiltins(PP.getIdentifierTable(),
PP.getLangOpts());
} else {
assert(!serialBufs.empty());
SmallVector<llvm::MemoryBuffer *, 4> bufs;
for (unsigned si = 0, se = serialBufs.size(); si != se; ++si) {
bufs.push_back(llvm::MemoryBuffer::getMemBufferCopy(
StringRef(serialBufs[si]->getBufferStart(),
serialBufs[si]->getBufferSize())));
}
std::string pchName = includes[i-1];
llvm::raw_string_ostream os(pchName);
os << ".pch" << i-1;
os.flush();
serialBufNames.push_back(pchName);
OwningPtr<ExternalASTSource> Reader;
Reader.reset(createASTReader(*Clang, pchName, bufs, serialBufNames,
Clang->getASTConsumer().GetASTDeserializationListener()));
if (!Reader)
return 0;
Clang->getASTContext().setExternalSource(Reader);
}
if (!Clang->InitializeSourceManager(InputFile))
return 0;
ParseAST(Clang->getSema());
OS.flush();
Clang->getDiagnosticClient().EndSourceFile();
serialBufs.push_back(
llvm::MemoryBuffer::getMemBufferCopy(StringRef(serialAST.data(),
serialAST.size())));
source->CIs.push_back(Clang.take());
}
assert(!serialBufs.empty());
std::string pchName = includes.back() + ".pch-final";
serialBufNames.push_back(pchName);
OwningPtr<ASTReader> Reader;
Reader.reset(createASTReader(CI, pchName, serialBufs, serialBufNames));
if (!Reader)
return 0;
source->FinalReader.reset(Reader.take());
return source.take();
}