static void clang_indexTranslationUnit_Impl(void *UserData) {
IndexTranslationUnitInfo *ITUI =
static_cast<IndexTranslationUnitInfo*>(UserData);
CXTranslationUnit TU = ITUI->TU;
CXClientData client_data = ITUI->client_data;
IndexerCallbacks *client_index_callbacks = ITUI->index_callbacks;
unsigned index_callbacks_size = ITUI->index_callbacks_size;
unsigned index_options = ITUI->index_options;
ITUI->result = 1; // init as error.
if (!TU)
return;
if (!client_index_callbacks || index_callbacks_size == 0)
return;
CIndexer *CXXIdx = (CIndexer*)TU->CIdx;
if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
setThreadBackgroundPriority();
IndexerCallbacks CB;
memset(&CB, 0, sizeof(CB));
unsigned ClientCBSize = index_callbacks_size < sizeof(CB)
? index_callbacks_size : sizeof(CB);
memcpy(&CB, client_index_callbacks, ClientCBSize);
OwningPtr<IndexingContext> IndexCtx;
IndexCtx.reset(new IndexingContext(client_data, CB, index_options, TU));
// Recover resources if we crash before exiting this method.
llvm::CrashRecoveryContextCleanupRegistrar<IndexingContext>
IndexCtxCleanup(IndexCtx.get());
OwningPtr<IndexingConsumer> IndexConsumer;
IndexConsumer.reset(new IndexingConsumer(*IndexCtx));
// Recover resources if we crash before exiting this method.
llvm::CrashRecoveryContextCleanupRegistrar<IndexingConsumer>
IndexConsumerCleanup(IndexConsumer.get());
ASTUnit *Unit = static_cast<ASTUnit *>(TU->TUData);
if (!Unit)
return;
ASTUnit::ConcurrencyCheck Check(*Unit);
FileManager &FileMgr = Unit->getFileManager();
if (Unit->getOriginalSourceFileName().empty())
IndexCtx->enteredMainFile(0);
else
IndexCtx->enteredMainFile(FileMgr.getFile(Unit->getOriginalSourceFileName()));
IndexConsumer->Initialize(Unit->getASTContext());
indexPreprocessingRecord(*Unit, *IndexCtx);
indexTranslationUnit(*Unit, *IndexCtx);
indexDiagnostics(TU, *IndexCtx);
ITUI->result = 0;
}
static CXErrorCode clang_indexTranslationUnit_Impl(
CXIndexAction idxAction, CXClientData client_data,
IndexerCallbacks *client_index_callbacks, unsigned index_callbacks_size,
unsigned index_options, CXTranslationUnit TU) {
// Check arguments.
if (isNotUsableTU(TU)) {
LOG_BAD_TU(TU);
return CXError_InvalidArguments;
}
if (!client_index_callbacks || index_callbacks_size == 0) {
return CXError_InvalidArguments;
}
CIndexer *CXXIdx = TU->CIdx;
if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
setThreadBackgroundPriority();
IndexerCallbacks CB;
memset(&CB, 0, sizeof(CB));
unsigned ClientCBSize = index_callbacks_size < sizeof(CB)
? index_callbacks_size : sizeof(CB);
memcpy(&CB, client_index_callbacks, ClientCBSize);
auto DataConsumer = std::make_shared<CXIndexDataConsumer>(client_data, CB,
index_options, TU);
ASTUnit *Unit = cxtu::getASTUnit(TU);
if (!Unit)
return CXError_Failure;
ASTUnit::ConcurrencyCheck Check(*Unit);
if (const FileEntry *PCHFile = Unit->getPCHFile())
DataConsumer->importedPCH(PCHFile);
FileManager &FileMgr = Unit->getFileManager();
if (Unit->getOriginalSourceFileName().empty())
DataConsumer->enteredMainFile(nullptr);
else
DataConsumer->enteredMainFile(FileMgr.getFile(Unit->getOriginalSourceFileName()));
DataConsumer->setASTContext(Unit->getASTContext());
DataConsumer->startedTranslationUnit();
indexPreprocessingRecord(*Unit, *DataConsumer);
indexASTUnit(*Unit, DataConsumer, getIndexingOptionsFromCXOptions(index_options));
DataConsumer->indexDiagnostics();
return CXError_Success;
}
void ASTMergeAction::ExecuteAction() {
CompilerInstance &CI = getCompilerInstance();
CI.getDiagnostics().getClient()->BeginSourceFile(
CI.getASTContext().getLangOpts());
CI.getDiagnostics().SetArgToStringFn(&FormatASTNodeDiagnosticArgument,
&CI.getASTContext());
IntrusiveRefCntPtr<DiagnosticIDs>
DiagIDs(CI.getDiagnostics().getDiagnosticIDs());
for (unsigned I = 0, N = ASTFiles.size(); I != N; ++I) {
IntrusiveRefCntPtr<DiagnosticsEngine>
Diags(new DiagnosticsEngine(DiagIDs, &CI.getDiagnosticOpts(),
new ForwardingDiagnosticConsumer(
*CI.getDiagnostics().getClient()),
/*ShouldOwnClient=*/true));
ASTUnit *Unit = ASTUnit::LoadFromASTFile(ASTFiles[I], Diags,
CI.getFileSystemOpts(), false);
if (!Unit)
continue;
ASTImporter Importer(CI.getASTContext(),
CI.getFileManager(),
Unit->getASTContext(),
Unit->getFileManager(),
/*MinimalImport=*/false);
TranslationUnitDecl *TU = Unit->getASTContext().getTranslationUnitDecl();
for (DeclContext::decl_iterator D = TU->decls_begin(),
DEnd = TU->decls_end();
D != DEnd; ++D) {
// Don't re-import __va_list_tag, __builtin_va_list.
if (NamedDecl *ND = dyn_cast<NamedDecl>(*D))
if (IdentifierInfo *II = ND->getIdentifier())
if (II->isStr("__va_list_tag") || II->isStr("__builtin_va_list"))
continue;
Importer.Import(*D);
}
delete Unit;
}
AdaptedAction->ExecuteAction();
CI.getDiagnostics().getClient()->EndSourceFile();
}
bool FrontendAction::BeginSourceFile(CompilerInstance &CI,
const FrontendInputFile &Input) {
assert(!Instance && "Already processing a source file!");
assert(!Input.isEmpty() && "Unexpected empty filename!");
setCurrentInput(Input);
setCompilerInstance(&CI);
StringRef InputFile = Input.getFile();
bool HasBegunSourceFile = false;
if (!BeginInvocation(CI))
goto failure;
// AST files follow a very different path, since they share objects via the
// AST unit.
if (Input.getKind() == IK_AST) {
assert(!usesPreprocessorOnly() &&
"Attempt to pass AST file to preprocessor only action!");
assert(hasASTFileSupport() &&
"This action does not have AST file support!");
IntrusiveRefCntPtr<DiagnosticsEngine> Diags(&CI.getDiagnostics());
ASTUnit *AST = ASTUnit::LoadFromASTFile(InputFile, Diags,
CI.getFileSystemOpts());
if (!AST)
goto failure;
setCurrentInput(Input, AST);
// Inform the diagnostic client we are processing a source file.
CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(), 0);
HasBegunSourceFile = true;
// Set the shared objects, these are reset when we finish processing the
// file, otherwise the CompilerInstance will happily destroy them.
CI.setFileManager(&AST->getFileManager());
CI.setSourceManager(&AST->getSourceManager());
CI.setPreprocessor(&AST->getPreprocessor());
CI.setASTContext(&AST->getASTContext());
// Initialize the action.
if (!BeginSourceFileAction(CI, InputFile))
goto failure;
// Create the AST consumer.
CI.setASTConsumer(CreateWrappedASTConsumer(CI, InputFile));
if (!CI.hasASTConsumer())
goto failure;
return true;
}
// Set up the file and source managers, if needed.
if (!CI.hasFileManager())
CI.createFileManager();
if (!CI.hasSourceManager())
CI.createSourceManager(CI.getFileManager());
// IR files bypass the rest of initialization.
if (Input.getKind() == IK_LLVM_IR) {
assert(hasIRSupport() &&
"This action does not have IR file support!");
// Inform the diagnostic client we are processing a source file.
CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(), 0);
HasBegunSourceFile = true;
// Initialize the action.
if (!BeginSourceFileAction(CI, InputFile))
goto failure;
return true;
}
// If the implicit PCH include is actually a directory, rather than
// a single file, search for a suitable PCH file in that directory.
if (!CI.getPreprocessorOpts().ImplicitPCHInclude.empty()) {
FileManager &FileMgr = CI.getFileManager();
PreprocessorOptions &PPOpts = CI.getPreprocessorOpts();
StringRef PCHInclude = PPOpts.ImplicitPCHInclude;
if (const DirectoryEntry *PCHDir = FileMgr.getDirectory(PCHInclude)) {
llvm::error_code EC;
SmallString<128> DirNative;
llvm::sys::path::native(PCHDir->getName(), DirNative);
bool Found = false;
for (llvm::sys::fs::directory_iterator Dir(DirNative.str(), EC), DirEnd;
Dir != DirEnd && !EC; Dir.increment(EC)) {
// Check whether this is an acceptable AST file.
if (ASTReader::isAcceptableASTFile(Dir->path(), FileMgr,
CI.getLangOpts(),
CI.getTargetOpts(),
CI.getPreprocessorOpts())) {
PPOpts.ImplicitPCHInclude = Dir->path();
Found = true;
break;
}
}
if (!Found) {
CI.getDiagnostics().Report(diag::err_fe_no_pch_in_dir) << PCHInclude;
return true;
}
}
}
// Set up the preprocessor.
CI.createPreprocessor();
// Inform the diagnostic client we are processing a source file.
CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(),
&CI.getPreprocessor());
HasBegunSourceFile = true;
// Initialize the action.
if (!BeginSourceFileAction(CI, InputFile))
goto failure;
// Create the AST context and consumer unless this is a preprocessor only
// action.
if (!usesPreprocessorOnly()) {
CI.createASTContext();
OwningPtr<ASTConsumer> Consumer(
CreateWrappedASTConsumer(CI, InputFile));
if (!Consumer)
goto failure;
CI.getASTContext().setASTMutationListener(Consumer->GetASTMutationListener());
if (!CI.getPreprocessorOpts().ChainedIncludes.empty()) {
// Convert headers to PCH and chain them.
OwningPtr<ExternalASTSource> source;
source.reset(ChainedIncludesSource::create(CI));
if (!source)
goto failure;
CI.setModuleManager(static_cast<ASTReader*>(
&static_cast<ChainedIncludesSource*>(source.get())->getFinalReader()));
CI.getASTContext().setExternalSource(source);
} else if (!CI.getPreprocessorOpts().ImplicitPCHInclude.empty()) {
// Use PCH.
assert(hasPCHSupport() && "This action does not have PCH support!");
ASTDeserializationListener *DeserialListener =
Consumer->GetASTDeserializationListener();
if (CI.getPreprocessorOpts().DumpDeserializedPCHDecls)
DeserialListener = new DeserializedDeclsDumper(DeserialListener);
if (!CI.getPreprocessorOpts().DeserializedPCHDeclsToErrorOn.empty())
DeserialListener = new DeserializedDeclsChecker(CI.getASTContext(),
CI.getPreprocessorOpts().DeserializedPCHDeclsToErrorOn,
DeserialListener);
CI.createPCHExternalASTSource(
CI.getPreprocessorOpts().ImplicitPCHInclude,
CI.getPreprocessorOpts().DisablePCHValidation,
CI.getPreprocessorOpts().AllowPCHWithCompilerErrors,
DeserialListener);
if (!CI.getASTContext().getExternalSource())
goto failure;
}
CI.setASTConsumer(Consumer.take());
if (!CI.hasASTConsumer())
goto failure;
}
// Initialize built-in info as long as we aren't using an external AST
// source.
if (!CI.hasASTContext() || !CI.getASTContext().getExternalSource()) {
Preprocessor &PP = CI.getPreprocessor();
PP.getBuiltinInfo().InitializeBuiltins(PP.getIdentifierTable(),
PP.getLangOpts());
}
// If there is a layout overrides file, attach an external AST source that
// provides the layouts from that file.
if (!CI.getFrontendOpts().OverrideRecordLayoutsFile.empty() &&
CI.hasASTContext() && !CI.getASTContext().getExternalSource()) {
OwningPtr<ExternalASTSource>
Override(new LayoutOverrideSource(
CI.getFrontendOpts().OverrideRecordLayoutsFile));
CI.getASTContext().setExternalSource(Override);
}
return true;
// If we failed, reset state since the client will not end up calling the
// matching EndSourceFile().
failure:
if (isCurrentFileAST()) {
CI.setASTContext(0);
CI.setPreprocessor(0);
CI.setSourceManager(0);
CI.setFileManager(0);
}
if (HasBegunSourceFile)
CI.getDiagnosticClient().EndSourceFile();
CI.clearOutputFiles(/*EraseFiles=*/true);
setCurrentInput(FrontendInputFile());
setCompilerInstance(0);
return false;
}
bool FrontendAction::BeginSourceFile(CompilerInstance &CI,
llvm::StringRef Filename,
bool IsAST) {
assert(!Instance && "Already processing a source file!");
assert(!Filename.empty() && "Unexpected empty filename!");
setCurrentFile(Filename);
setCompilerInstance(&CI);
// AST files follow a very different path, since they share objects via the
// AST unit.
if (IsAST) {
assert(!usesPreprocessorOnly() &&
"Attempt to pass AST file to preprocessor only action!");
assert(hasASTSupport() && "This action does not have AST support!");
llvm::IntrusiveRefCntPtr<Diagnostic> Diags(&CI.getDiagnostics());
std::string Error;
ASTUnit *AST = ASTUnit::LoadFromPCHFile(Filename, Diags);
if (!AST)
goto failure;
setCurrentFile(Filename, AST);
// Set the shared objects, these are reset when we finish processing the
// file, otherwise the CompilerInstance will happily destroy them.
CI.setFileManager(&AST->getFileManager());
CI.setSourceManager(&AST->getSourceManager());
CI.setPreprocessor(&AST->getPreprocessor());
CI.setASTContext(&AST->getASTContext());
// Initialize the action.
if (!BeginSourceFileAction(CI, Filename))
goto failure;
/// Create the AST consumer.
CI.setASTConsumer(CreateASTConsumer(CI, Filename));
if (!CI.hasASTConsumer())
goto failure;
return true;
}
// Inform the diagnostic client we are processing a source file.
CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(),
&CI.getPreprocessor());
// Initialize the action.
if (!BeginSourceFileAction(CI, Filename))
goto failure;
/// Create the AST context and consumer unless this is a preprocessor only
/// action.
if (!usesPreprocessorOnly()) {
CI.createASTContext();
CI.setASTConsumer(CreateASTConsumer(CI, Filename));
if (!CI.hasASTConsumer())
goto failure;
/// Use PCH?
if (!CI.getPreprocessorOpts().ImplicitPCHInclude.empty()) {
assert(hasPCHSupport() && "This action does not have PCH support!");
CI.createPCHExternalASTSource(
CI.getPreprocessorOpts().ImplicitPCHInclude);
if (!CI.getASTContext().getExternalSource())
goto failure;
}
}
// Initialize builtin info as long as we aren't using an external AST
// source.
if (!CI.hasASTContext() || !CI.getASTContext().getExternalSource()) {
Preprocessor &PP = CI.getPreprocessor();
PP.getBuiltinInfo().InitializeBuiltins(PP.getIdentifierTable(),
PP.getLangOptions().NoBuiltin);
}
return true;
// If we failed, reset state since the client will not end up calling the
// matching EndSourceFile().
failure:
if (isCurrentFileAST()) {
CI.takeASTContext();
CI.takePreprocessor();
CI.takeSourceManager();
CI.takeFileManager();
}
CI.getDiagnosticClient().EndSourceFile();
setCurrentFile("");
setCompilerInstance(0);
return false;
}
static void clang_indexTranslationUnit_Impl(void *UserData) {
IndexTranslationUnitInfo *ITUI =
static_cast<IndexTranslationUnitInfo*>(UserData);
CXTranslationUnit TU = ITUI->TU;
CXClientData client_data = ITUI->client_data;
IndexerCallbacks *client_index_callbacks = ITUI->index_callbacks;
unsigned index_callbacks_size = ITUI->index_callbacks_size;
unsigned index_options = ITUI->index_options;
// Set up the initial return value.
ITUI->result = CXError_Failure;
// Check arguments.
if (isNotUsableTU(TU)) {
LOG_BAD_TU(TU);
ITUI->result = CXError_InvalidArguments;
return;
}
if (!client_index_callbacks || index_callbacks_size == 0) {
ITUI->result = CXError_InvalidArguments;
return;
}
CIndexer *CXXIdx = TU->CIdx;
if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
setThreadBackgroundPriority();
IndexerCallbacks CB;
memset(&CB, 0, sizeof(CB));
unsigned ClientCBSize = index_callbacks_size < sizeof(CB)
? index_callbacks_size : sizeof(CB);
memcpy(&CB, client_index_callbacks, ClientCBSize);
std::unique_ptr<IndexingContext> IndexCtx;
IndexCtx.reset(new IndexingContext(client_data, CB, index_options, TU));
// Recover resources if we crash before exiting this method.
llvm::CrashRecoveryContextCleanupRegistrar<IndexingContext>
IndexCtxCleanup(IndexCtx.get());
std::unique_ptr<IndexingConsumer> IndexConsumer;
IndexConsumer.reset(new IndexingConsumer(*IndexCtx, nullptr));
// Recover resources if we crash before exiting this method.
llvm::CrashRecoveryContextCleanupRegistrar<IndexingConsumer>
IndexConsumerCleanup(IndexConsumer.get());
ASTUnit *Unit = cxtu::getASTUnit(TU);
if (!Unit)
return;
ASTUnit::ConcurrencyCheck Check(*Unit);
if (const FileEntry *PCHFile = Unit->getPCHFile())
IndexCtx->importedPCH(PCHFile);
FileManager &FileMgr = Unit->getFileManager();
if (Unit->getOriginalSourceFileName().empty())
IndexCtx->enteredMainFile(nullptr);
else
IndexCtx->enteredMainFile(FileMgr.getFile(Unit->getOriginalSourceFileName()));
IndexConsumer->Initialize(Unit->getASTContext());
indexPreprocessingRecord(*Unit, *IndexCtx);
indexTranslationUnit(*Unit, *IndexCtx);
indexDiagnostics(TU, *IndexCtx);
ITUI->result = CXError_Success;
}
static CXCodeCompleteResults *
clang_codeCompleteAt_Impl(CXTranslationUnit TU, const char *complete_filename,
unsigned complete_line, unsigned complete_column,
ArrayRef<CXUnsavedFile> unsaved_files,
unsigned options) {
bool IncludeBriefComments = options & CXCodeComplete_IncludeBriefComments;
bool SkipPreamble = options & CXCodeComplete_SkipPreamble;
bool IncludeFixIts = options & CXCodeComplete_IncludeCompletionsWithFixIts;
#ifdef UDP_CODE_COMPLETION_LOGGER
#ifdef UDP_CODE_COMPLETION_LOGGER_PORT
const llvm::TimeRecord &StartTime = llvm::TimeRecord::getCurrentTime();
#endif
#endif
bool EnableLogging = getenv("LIBCLANG_CODE_COMPLETION_LOGGING") != nullptr;
if (cxtu::isNotUsableTU(TU)) {
LOG_BAD_TU(TU);
return nullptr;
}
ASTUnit *AST = cxtu::getASTUnit(TU);
if (!AST)
return nullptr;
CIndexer *CXXIdx = TU->CIdx;
if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
setThreadBackgroundPriority();
ASTUnit::ConcurrencyCheck Check(*AST);
// Perform the remapping of source files.
SmallVector<ASTUnit::RemappedFile, 4> RemappedFiles;
for (auto &UF : unsaved_files) {
std::unique_ptr<llvm::MemoryBuffer> MB =
llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
RemappedFiles.push_back(std::make_pair(UF.Filename, MB.release()));
}
if (EnableLogging) {
// FIXME: Add logging.
}
// Parse the resulting source file to find code-completion results.
AllocatedCXCodeCompleteResults *Results = new AllocatedCXCodeCompleteResults(
&AST->getFileManager());
Results->Results = nullptr;
Results->NumResults = 0;
// Create a code-completion consumer to capture the results.
CodeCompleteOptions Opts;
Opts.IncludeBriefComments = IncludeBriefComments;
Opts.LoadExternal = !SkipPreamble;
Opts.IncludeFixIts = IncludeFixIts;
CaptureCompletionResults Capture(Opts, *Results, &TU);
// Perform completion.
std::vector<const char *> CArgs;
for (const auto &Arg : TU->Arguments)
CArgs.push_back(Arg.c_str());
std::string CompletionInvocation =
llvm::formatv("-code-completion-at={0}:{1}:{2}", complete_filename,
complete_line, complete_column)
.str();
LibclangInvocationReporter InvocationReporter(
*CXXIdx, LibclangInvocationReporter::OperationKind::CompletionOperation,
TU->ParsingOptions, CArgs, CompletionInvocation, unsaved_files);
AST->CodeComplete(complete_filename, complete_line, complete_column,
RemappedFiles, (options & CXCodeComplete_IncludeMacros),
(options & CXCodeComplete_IncludeCodePatterns),
IncludeBriefComments, Capture,
CXXIdx->getPCHContainerOperations(), *Results->Diag,
Results->LangOpts, *Results->SourceMgr, *Results->FileMgr,
Results->Diagnostics, Results->TemporaryBuffers);
Results->DiagnosticsWrappers.resize(Results->Diagnostics.size());
// Keep a reference to the allocator used for cached global completions, so
// that we can be sure that the memory used by our code completion strings
// doesn't get freed due to subsequent reparses (while the code completion
// results are still active).
Results->CachedCompletionAllocator = AST->getCachedCompletionAllocator();
#ifdef UDP_CODE_COMPLETION_LOGGER
#ifdef UDP_CODE_COMPLETION_LOGGER_PORT
const llvm::TimeRecord &EndTime = llvm::TimeRecord::getCurrentTime();
SmallString<256> LogResult;
llvm::raw_svector_ostream os(LogResult);
// Figure out the language and whether or not it uses PCH.
const char *lang = 0;
bool usesPCH = false;
for (std::vector<const char*>::iterator I = argv.begin(), E = argv.end();
I != E; ++I) {
if (*I == 0)
continue;
if (strcmp(*I, "-x") == 0) {
if (I + 1 != E) {
lang = *(++I);
continue;
}
}
else if (strcmp(*I, "-include") == 0) {
if (I+1 != E) {
const char *arg = *(++I);
SmallString<512> pchName;
{
llvm::raw_svector_ostream os(pchName);
os << arg << ".pth";
}
pchName.push_back('\0');
struct stat stat_results;
if (stat(pchName.str().c_str(), &stat_results) == 0)
usesPCH = true;
continue;
}
}
}
os << "{ ";
os << "\"wall\": " << (EndTime.getWallTime() - StartTime.getWallTime());
os << ", \"numRes\": " << Results->NumResults;
os << ", \"diags\": " << Results->Diagnostics.size();
os << ", \"pch\": " << (usesPCH ? "true" : "false");
os << ", \"lang\": \"" << (lang ? lang : "<unknown>") << '"';
const char *name = getlogin();
os << ", \"user\": \"" << (name ? name : "unknown") << '"';
os << ", \"clangVer\": \"" << getClangFullVersion() << '"';
os << " }";
StringRef res = os.str();
if (res.size() > 0) {
do {
// Setup the UDP socket.
struct sockaddr_in servaddr;
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(UDP_CODE_COMPLETION_LOGGER_PORT);
if (inet_pton(AF_INET, UDP_CODE_COMPLETION_LOGGER,
&servaddr.sin_addr) <= 0)
break;
int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
if (sockfd < 0)
break;
sendto(sockfd, res.data(), res.size(), 0,
(struct sockaddr *)&servaddr, sizeof(servaddr));
close(sockfd);
}
while (false);
}
#endif
#endif
return Results;
}
bool FrontendAction::BeginSourceFile(CompilerInstance &CI,
llvm::StringRef Filename,
InputKind InputKind) {
assert(!Instance && "Already processing a source file!");
assert(!Filename.empty() && "Unexpected empty filename!");
setCurrentFile(Filename, InputKind);
setCompilerInstance(&CI);
if (!BeginInvocation(CI))
goto failure;
// AST files follow a very different path, since they share objects via the
// AST unit.
if (InputKind == IK_AST) {
assert(!usesPreprocessorOnly() &&
"Attempt to pass AST file to preprocessor only action!");
assert(hasASTFileSupport() &&
"This action does not have AST file support!");
llvm::IntrusiveRefCntPtr<Diagnostic> Diags(&CI.getDiagnostics());
std::string Error;
ASTUnit *AST = ASTUnit::LoadFromASTFile(Filename, Diags,
CI.getFileSystemOpts());
if (!AST)
goto failure;
setCurrentFile(Filename, InputKind, AST);
// Set the shared objects, these are reset when we finish processing the
// file, otherwise the CompilerInstance will happily destroy them.
CI.setFileManager(&AST->getFileManager());
CI.setSourceManager(&AST->getSourceManager());
CI.setPreprocessor(&AST->getPreprocessor());
CI.setASTContext(&AST->getASTContext());
// Initialize the action.
if (!BeginSourceFileAction(CI, Filename))
goto failure;
/// Create the AST consumer.
CI.setASTConsumer(CreateWrappedASTConsumer(CI, Filename));
if (!CI.hasASTConsumer())
goto failure;
return true;
}
// Set up the file and source managers, if needed.
if (!CI.hasFileManager())
CI.createFileManager();
if (!CI.hasSourceManager())
CI.createSourceManager(CI.getFileManager());
// IR files bypass the rest of initialization.
if (InputKind == IK_LLVM_IR) {
assert(hasIRSupport() &&
"This action does not have IR file support!");
// Inform the diagnostic client we are processing a source file.
CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(), 0);
// Initialize the action.
if (!BeginSourceFileAction(CI, Filename))
goto failure;
return true;
}
// Set up the preprocessor.
CI.createPreprocessor();
// Inform the diagnostic client we are processing a source file.
CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(),
&CI.getPreprocessor());
// Initialize the action.
if (!BeginSourceFileAction(CI, Filename))
goto failure;
/// Create the AST context and consumer unless this is a preprocessor only
/// action.
if (!usesPreprocessorOnly()) {
CI.createASTContext();
llvm::OwningPtr<ASTConsumer> Consumer(
CreateWrappedASTConsumer(CI, Filename));
if (!Consumer)
goto failure;
CI.getASTContext().setASTMutationListener(Consumer->GetASTMutationListener());
if (!CI.getPreprocessorOpts().ChainedIncludes.empty()) {
// Convert headers to PCH and chain them.
llvm::OwningPtr<ExternalASTSource> source;
source.reset(ChainedIncludesSource::create(CI));
if (!source)
goto failure;
CI.getASTContext().setExternalSource(source);
} else if (!CI.getPreprocessorOpts().ImplicitPCHInclude.empty()) {
// Use PCH.
assert(hasPCHSupport() && "This action does not have PCH support!");
ASTDeserializationListener *DeserialListener
= CI.getInvocation().getFrontendOpts().ChainedPCH ?
Consumer->GetASTDeserializationListener() : 0;
if (CI.getPreprocessorOpts().DumpDeserializedPCHDecls)
DeserialListener = new DeserializedDeclsDumper(DeserialListener);
if (!CI.getPreprocessorOpts().DeserializedPCHDeclsToErrorOn.empty())
DeserialListener = new DeserializedDeclsChecker(CI.getASTContext(),
CI.getPreprocessorOpts().DeserializedPCHDeclsToErrorOn,
DeserialListener);
CI.createPCHExternalASTSource(
CI.getPreprocessorOpts().ImplicitPCHInclude,
CI.getPreprocessorOpts().DisablePCHValidation,
CI.getPreprocessorOpts().DisableStatCache,
DeserialListener);
if (!CI.getASTContext().getExternalSource())
goto failure;
}
CI.setASTConsumer(Consumer.take());
if (!CI.hasASTConsumer())
goto failure;
}
// Initialize builtin info as long as we aren't using an external AST
// source.
if (!CI.hasASTContext() || !CI.getASTContext().getExternalSource()) {
Preprocessor &PP = CI.getPreprocessor();
PP.getBuiltinInfo().InitializeBuiltins(PP.getIdentifierTable(),
PP.getLangOptions());
}
return true;
// If we failed, reset state since the client will not end up calling the
// matching EndSourceFile().
failure:
if (isCurrentFileAST()) {
CI.setASTContext(0);
CI.setPreprocessor(0);
CI.setSourceManager(0);
CI.setFileManager(0);
}
CI.getDiagnosticClient().EndSourceFile();
setCurrentFile("", IK_None);
setCompilerInstance(0);
return false;
}