int main()
{
CompilerInstance ci;
ci.createDiagnostics(0,NULL);
TargetOptions to;
to.Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *pti = TargetInfo::CreateTargetInfo(ci.getDiagnostics(), to);
ci.setTarget(pti);
ci.getHeaderSearchOpts().AddPath(
StringRef("../usr/lib/clang/3.0/include"), frontend::Angled, false, false, false
);
ci.getHeaderSearchOpts().AddPath(
StringRef("support"), frontend::Quoted, true, false, false
);
ci.createFileManager();
ci.createSourceManager(ci.getFileManager());
ci.createPreprocessor();
PrintFunctionsConsumer *astConsumer = new PrintFunctionsConsumer();
ci.setASTConsumer(astConsumer);
ci.createASTContext();
const FileEntry *pFile = ci.getFileManager().getFile("julia.h");
ci.getSourceManager().createMainFileID(pFile);
ci.getDiagnosticClient().BeginSourceFile(ci.getLangOpts(), &ci.getPreprocessor());
clang::ParseAST(ci.getPreprocessor(), astConsumer, ci.getASTContext());
ci.getDiagnosticClient().EndSourceFile();
return 0;
}
/******************************************************************************
* This tutorial just shows off the steps needed to build up to a Preprocessor
* object. Note that the order below is important.
*****************************************************************************/
int main()
{
using clang::CompilerInstance;
using clang::TargetOptions;
using clang::TargetInfo;
using clang::DiagnosticOptions;
using clang::TextDiagnosticPrinter;
CompilerInstance ci;
DiagnosticOptions diagnosticOptions;
TextDiagnosticPrinter *pTextDiagnosticPrinter =
new TextDiagnosticPrinter(
llvm::outs(),
&diagnosticOptions,
true);
ci.createDiagnostics(pTextDiagnosticPrinter);
llvm::IntrusiveRefCntPtr<TargetOptions> pto( new TargetOptions());
pto->Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *pti = TargetInfo::CreateTargetInfo(ci.getDiagnostics(), pto.getPtr());
ci.setTarget(pti);
ci.createFileManager();
ci.createSourceManager(ci.getFileManager());
ci.createPreprocessor();
return 0;
}
int main()
{
using clang::CompilerInstance;
using clang::TargetOptions;
using clang::TargetInfo;
using clang::FileEntry;
CompilerInstance ci;
ci.createDiagnostics(0,NULL);
TargetOptions to;
to.Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *pti = TargetInfo::CreateTargetInfo(ci.getDiagnostics(), to);
ci.setTarget(pti);
ci.createFileManager();
ci.createSourceManager(ci.getFileManager());
ci.createPreprocessor();
ci.getPreprocessorOpts().UsePredefines = false;
MyASTConsumer *astConsumer = new MyASTConsumer();
ci.setASTConsumer(astConsumer);
ci.createASTContext();
const FileEntry *pFile = ci.getFileManager().getFile("test.c");
ci.getSourceManager().createMainFileID(pFile);
ci.getDiagnosticClient().BeginSourceFile(ci.getLangOpts(),
&ci.getPreprocessor());
clang::ParseAST(ci.getPreprocessor(), astConsumer, ci.getASTContext());
ci.getDiagnosticClient().EndSourceFile();
return 0;
}
void XCTMigrator::handleInvocation(CompilerInstance &CI) {
PreprocessorOptions &PPOpts = CI.getPreprocessorOpts();
if (PPOpts.ImplicitPCHInclude.empty())
return;
// Check if the PCH file includes any of the SenTesting headers, in which case
// modify the invocation and have it include the prefix header directly, so
// we can migrate it.
// Including a SenTesting header in the PCH is uncommon, this allows to use a
// simpler logic during migration (ignoring the PCH file), while enabling
// migration when the PCH does include such a header.
if (!CI.hasFileManager())
CI.createFileManager();
XCTSenTestingPCHCheck PCHCheck;
ASTReader::readASTFileControlBlock(PPOpts.ImplicitPCHInclude,
CI.getFileManager(), PCHCheck);
if (PCHCheck.ContainsSenHeader) {
std::string PrefixHeader =
ASTReader::getOriginalSourceFile(PPOpts.ImplicitPCHInclude,
CI.getFileManager(),
CI.getDiagnostics());
if (!PrefixHeader.empty())
PPOpts.Includes.insert(PPOpts.Includes.begin(), PrefixHeader);
PPOpts.ImplicitPCHInclude.clear();
}
}
int main(int argc, char *argv[]) {
if (argc != 2) {
llvm::errs() << "Usage: rewritersample <filename>\n";
return 1;
}
// CompilerInstance will hold the instance of the Clang compiler for us,
// managing the various objects needed to run the compiler.
CompilerInstance TheCompInst;
TheCompInst.createDiagnostics();
LangOptions &lo = TheCompInst.getLangOpts();
lo.CPlusPlus = 1;
// Initialize target info with the default triple for our platform.
auto TO = std::make_shared<TargetOptions>();
TO->Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *TI =
TargetInfo::CreateTargetInfo(TheCompInst.getDiagnostics(), TO);
TheCompInst.setTarget(TI);
TheCompInst.createFileManager();
FileManager &FileMgr = TheCompInst.getFileManager();
TheCompInst.createSourceManager(FileMgr);
SourceManager &SourceMgr = TheCompInst.getSourceManager();
TheCompInst.createPreprocessor(TU_Module);
TheCompInst.createASTContext();
// A Rewriter helps us manage the code rewriting task.
Rewriter TheRewriter;
TheRewriter.setSourceMgr(SourceMgr, TheCompInst.getLangOpts());
// Set the main file handled by the source manager to the input file.
const FileEntry *FileIn = FileMgr.getFile(argv[1]);
SourceMgr.setMainFileID(
SourceMgr.createFileID(FileIn, SourceLocation(), SrcMgr::C_User));
TheCompInst.getDiagnosticClient().BeginSourceFile(
TheCompInst.getLangOpts(), &TheCompInst.getPreprocessor());
// Create an AST consumer instance which is going to get called by
// ParseAST.
MyASTConsumer TheConsumer(TheRewriter);
// Parse the file to AST, registering our consumer as the AST consumer.
ParseAST(TheCompInst.getPreprocessor(), &TheConsumer,
TheCompInst.getASTContext());
// At this point the rewriter's buffer should be full with the rewritten
// file contents.
const RewriteBuffer *RewriteBuf =
TheRewriter.getRewriteBufferFor(SourceMgr.getMainFileID());
llvm::outs() << std::string(RewriteBuf->begin(), RewriteBuf->end());
return 0;
}
int main(int argc, char *argv[])
{
if (argc != 2) {
llvm::errs() << "Usage: rewritersample <filename>\n";
return 1;
}
// CompilerInstance will hold the instance of the Clang compiler for us,
// managing the various objects needed to run the compiler.
CompilerInstance ci;
ci.createDiagnostics(0, 0);
// Initialize target info with the default triple for our platform.
TargetOptions TO;
TO.Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *TI = TargetInfo::CreateTargetInfo(
ci.getDiagnostics(), TO);
ci.setTarget(TI);
ci.createFileManager();
FileManager &fm = ci.getFileManager();
ci.createSourceManager(fm);
SourceManager &SourceMgr = ci.getSourceManager();
ci.createPreprocessor();
ci.createASTContext();
// A Rewriter helps us manage the code rewriting task.
Rewriter rw;
rw.setSourceMgr(SourceMgr, ci.getLangOpts());
// Set the main file handled by the source manager to the input file.
const FileEntry *fi = fm.getFile(argv[1]);
SourceMgr.createMainFileID(fi);
ci.getDiagnosticClient().BeginSourceFile(
ci.getLangOpts(),
&ci.getPreprocessor());
// Create an AST consumer instance which is going to get called by
// ParseAST.
MyASTConsumer astc(rw);
// Parse the file to AST, registering our consumer as the AST consumer.
ParseAST(ci.getPreprocessor(), &astc,
ci.getASTContext());
// At this point the rewriter's buffer should be full with the rewritten
// file contents.
const RewriteBuffer *rwb =
rw.getRewriteBufferFor(SourceMgr.getMainFileID());
llvm::outs() << string(rwb->begin(), rwb->end());
return 0;
}
int main(int argc, char *argv[]) {
using clang::CompilerInstance;
using clang::TargetOptions;
using clang::TargetInfo;
using clang::FileEntry;
using clang::ASTConsumer;
using clang::DiagnosticOptions;
using clang::TextDiagnosticPrinter;
CompilerInstance CI;
DiagnosticOptions diagnosticOptions;
TextDiagnosticPrinter *pTextDiagnosticPrinter =
new TextDiagnosticPrinter(
llvm::outs(), diagnosticOptions, true);
CI.createDiagnostics(0, NULL, pTextDiagnosticPrinter);
TargetOptions targetOptions;
targetOptions.Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *pTargetInfo = TargetInfo::CreateTargetInfo(
CI.getDiagnostics(), targetOptions);
CI.setTarget(pTargetInfo);
CI.createFileManager();
CI.createSourceManager(CI.getFileManager());
CI.createPreprocessor();
CI.getPreprocessorOpts().UsePredefines = false;
ASTConsumer *astConsumer = new ASTConsumer();
CI.setASTConsumer(astConsumer);
CI.createASTContext();
CI.createSema(clang::TU_Complete, NULL);
const FileEntry *pFile = CI.getFileManager().getFile(argv[1]);
CI.getSourceManager().createMainFileID(pFile);
CI.getASTContext().BuiltinInfo.InitializeBuiltins(
CI.getPreprocessor().getIdentifierTable(), CI.getLangOpts());
CI.getDiagnosticClient().BeginSourceFile(
CI.getLangOpts(), &(CI.getPreprocessor()));
clang::ParseAST(CI.getSema());
CI.getDiagnosticClient().EndSourceFile();
return 0;
}
void checkVariables(string filename, vector<Issue>& lineIssues){
// CompilerInstance will hold the instance of the Clang compiler for us,
// managing the various objects needed to run the compiler.
CompilerInstance TheCompInst;
TheCompInst.createDiagnostics();
CompilerInvocation TheCompInv;
LangOptions &lo = TheCompInst.getLangOpts();
lo.CPlusPlus = 1;
lo.Bool = 1;
lo.WChar = 1;
lo.NoBuiltin = 0;
// Initialize target info with the default triple for our platform.
auto TO = std::make_shared<TargetOptions>();
TO->Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *TI =
TargetInfo::CreateTargetInfo(TheCompInst.getDiagnostics(), TO);
TheCompInst.setTarget(TI);
TheCompInst.createFileManager();
FileManager &FileMgr = TheCompInst.getFileManager();
TheCompInst.createSourceManager(FileMgr);
SourceManager &SourceMgr = TheCompInst.getSourceManager();
TheCompInst.createPreprocessor(TU_Module);
Preprocessor& pp = TheCompInst.getPreprocessor();
pp.getBuiltinInfo().InitializeBuiltins(pp.getIdentifierTable(), lo);
//pp.getLangOpts().NoBuiltin);
TheCompInst.createASTContext();
// Set the main file handled by the source manager to the input file.
const FileEntry *FileIn = FileMgr.getFile(filename);
SourceMgr.setMainFileID(
SourceMgr.createFileID(FileIn, SourceLocation(), SrcMgr::C_User));
TheCompInst.getDiagnosticClient().BeginSourceFile(
TheCompInst.getLangOpts(), &TheCompInst.getPreprocessor());
MyASTConsumer consm{lineIssues, SourceMgr};
ParseAST(TheCompInst.getPreprocessor(), &consm, TheCompInst.getASTContext());
}
int main()
{
using clang::CompilerInstance;
using clang::TargetOptions;
using clang::TargetInfo;
using clang::FileEntry;
using clang::Token;
using clang::ASTContext;
using clang::ASTConsumer;
using clang::Parser;
using clang::DiagnosticOptions;
using clang::TextDiagnosticPrinter;
CompilerInstance ci;
DiagnosticOptions diagnosticOptions;
ci.createDiagnostics();
llvm::IntrusiveRefCntPtr<TargetOptions> pto( new TargetOptions());
pto->Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *pti = TargetInfo::CreateTargetInfo(ci.getDiagnostics(), pto.getPtr());
ci.setTarget(pti);
ci.createFileManager();
ci.createSourceManager(ci.getFileManager());
#ifdef CLANG_3_5
ci.createPreprocessor(clang::TU_Complete);
#else
ci.createPreprocessor();
#endif
ci.getPreprocessorOpts().UsePredefines = false;
ASTConsumer *astConsumer = new ASTConsumer();
ci.setASTConsumer(astConsumer);
ci.createASTContext();
ci.createSema(clang::TU_Complete, NULL);
const FileEntry *pFile = ci.getFileManager().getFile("test.c");
ci.getSourceManager().createMainFileID(pFile);
clang::ParseAST(ci.getSema());
ci.getASTContext().Idents.PrintStats();
return 0;
}
int
main(int argc, const char *argv[])
{
struct stat sb;
if (argc != 2)
{
std::cout << "Usage: ./PrintFunctionInfo <filename>" << std::endl;
exit(1);
}
if (stat(argv[1], &sb) == -1)
{
perror(argv[1]);
exit(EXIT_FAILURE);
}
CompilerInstance ci;
ci.createDiagnostics(0,NULL);
TargetOptions to;
to.Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *pti = TargetInfo::CreateTargetInfo(ci.getDiagnostics(), to);
ci.setTarget(pti);
ci.createFileManager();
ci.createSourceManager(ci.getFileManager());
ci.createPreprocessor();
ci.getPreprocessorOpts().UsePredefines = false;
FunctionLocConsumer *astConsumer = new FunctionLocConsumer();
ci.setASTConsumer(astConsumer);
ci.createASTContext();
const FileEntry *pFile = ci.getFileManager().getFile(argv[1]);
ci.getSourceManager().createMainFileID(pFile);
ci.getDiagnosticClient().BeginSourceFile(ci.getLangOpts(),
&ci.getPreprocessor());
ParseAST(ci.getPreprocessor(), astConsumer, ci.getASTContext());
ci.getDiagnosticClient().EndSourceFile();
return 0;
}
int main()
{
using clang::CompilerInstance;
using clang::TargetOptions;
using clang::TargetInfo;
using clang::FileEntry;
using clang::Token;
using clang::ASTContext;
using clang::ASTConsumer;
using clang::Parser;
CompilerInstance ci;
ci.createDiagnostics(0,NULL);
TargetOptions to;
to.Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *pti = TargetInfo::CreateTargetInfo(ci.getDiagnostics(), to);
ci.setTarget(pti);
ci.createFileManager();
ci.createSourceManager(ci.getFileManager());
ci.createPreprocessor();
ci.getPreprocessorOpts().UsePredefines = false;
ASTConsumer *astConsumer = new ASTConsumer();
ci.setASTConsumer(astConsumer);
ci.createASTContext();
ci.createSema(clang::TU_Complete, NULL);
const FileEntry *pFile = ci.getFileManager().getFile("test.c");
ci.getSourceManager().createMainFileID(pFile);
ci.getPreprocessor().EnterMainSourceFile();
ci.getDiagnosticClient().BeginSourceFile(ci.getLangOpts(),
&ci.getPreprocessor());
Parser parser(ci.getPreprocessor(), ci.getSema(), false /*skipFunctionBodies*/);
parser.ParseTranslationUnit();
ci.getDiagnosticClient().EndSourceFile();
ci.getASTContext().Idents.PrintStats();
return 0;
}
int main()
{
using clang::CompilerInstance;
using clang::TargetOptions;
using clang::TargetInfo;
using clang::FileEntry;
using clang::Token;
using clang::ASTContext;
using clang::ASTConsumer;
using clang::Parser;
using clang::DiagnosticOptions;
using clang::TextDiagnosticPrinter;
CompilerInstance ci;
DiagnosticOptions diagnosticOptions;
ci.createDiagnostics();
std::shared_ptr<clang::TargetOptions> pto = std::make_shared<clang::TargetOptions>();
pto->Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *pti = TargetInfo::CreateTargetInfo(ci.getDiagnostics(), pto);
ci.setTarget(pti);
ci.createFileManager();
ci.createSourceManager(ci.getFileManager());
ci.createPreprocessor(clang::TU_Complete);
ci.getPreprocessorOpts().UsePredefines = false;
ci.setASTConsumer(llvm::make_unique<ASTConsumer>());
ci.createASTContext();
ci.createSema(clang::TU_Complete, NULL);
const FileEntry *pFile = ci.getFileManager().getFile("test.c");
ci.getSourceManager().setMainFileID( ci.getSourceManager().createFileID( pFile, clang::SourceLocation(), clang::SrcMgr::C_User));
clang::ParseAST(ci.getSema());
ci.getASTContext().Idents.PrintStats();
return 0;
}
/// \brief Compile a module file for the given module, using the options
/// provided by the importing compiler instance.
static void compileModule(CompilerInstance &ImportingInstance,
SourceLocation ImportLoc,
Module *Module,
StringRef ModuleFileName) {
llvm::LockFileManager Locked(ModuleFileName);
switch (Locked) {
case llvm::LockFileManager::LFS_Error:
return;
case llvm::LockFileManager::LFS_Owned:
// We're responsible for building the module ourselves. Do so below.
break;
case llvm::LockFileManager::LFS_Shared:
// Someone else is responsible for building the module. Wait for them to
// finish.
Locked.waitForUnlock();
return;
}
ModuleMap &ModMap
= ImportingInstance.getPreprocessor().getHeaderSearchInfo().getModuleMap();
// Construct a compiler invocation for creating this module.
IntrusiveRefCntPtr<CompilerInvocation> Invocation
(new CompilerInvocation(ImportingInstance.getInvocation()));
PreprocessorOptions &PPOpts = Invocation->getPreprocessorOpts();
// For any options that aren't intended to affect how a module is built,
// reset them to their default values.
Invocation->getLangOpts()->resetNonModularOptions();
PPOpts.resetNonModularOptions();
// Note the name of the module we're building.
Invocation->getLangOpts()->CurrentModule = Module->getTopLevelModuleName();
// Make sure that the failed-module structure has been allocated in
// the importing instance, and propagate the pointer to the newly-created
// instance.
PreprocessorOptions &ImportingPPOpts
= ImportingInstance.getInvocation().getPreprocessorOpts();
if (!ImportingPPOpts.FailedModules)
ImportingPPOpts.FailedModules = new PreprocessorOptions::FailedModulesSet;
PPOpts.FailedModules = ImportingPPOpts.FailedModules;
// If there is a module map file, build the module using the module map.
// Set up the inputs/outputs so that we build the module from its umbrella
// header.
FrontendOptions &FrontendOpts = Invocation->getFrontendOpts();
FrontendOpts.OutputFile = ModuleFileName.str();
FrontendOpts.DisableFree = false;
FrontendOpts.Inputs.clear();
InputKind IK = getSourceInputKindFromOptions(*Invocation->getLangOpts());
// Get or create the module map that we'll use to build this module.
SmallString<128> TempModuleMapFileName;
if (const FileEntry *ModuleMapFile
= ModMap.getContainingModuleMapFile(Module)) {
// Use the module map where this module resides.
FrontendOpts.Inputs.push_back(FrontendInputFile(ModuleMapFile->getName(),
IK));
} else {
// Create a temporary module map file.
TempModuleMapFileName = Module->Name;
TempModuleMapFileName += "-%%%%%%%%.map";
int FD;
if (llvm::sys::fs::unique_file(TempModuleMapFileName.str(), FD,
TempModuleMapFileName,
/*makeAbsolute=*/true)
!= llvm::errc::success) {
ImportingInstance.getDiagnostics().Report(diag::err_module_map_temp_file)
<< TempModuleMapFileName;
return;
}
// Print the module map to this file.
llvm::raw_fd_ostream OS(FD, /*shouldClose=*/true);
Module->print(OS);
FrontendOpts.Inputs.push_back(
FrontendInputFile(TempModuleMapFileName.str().str(), IK));
}
// Don't free the remapped file buffers; they are owned by our caller.
PPOpts.RetainRemappedFileBuffers = true;
Invocation->getDiagnosticOpts().VerifyDiagnostics = 0;
assert(ImportingInstance.getInvocation().getModuleHash() ==
Invocation->getModuleHash() && "Module hash mismatch!");
// Construct a compiler instance that will be used to actually create the
// module.
CompilerInstance Instance;
Instance.setInvocation(&*Invocation);
Instance.createDiagnostics(/*argc=*/0, /*argv=*/0,
&ImportingInstance.getDiagnosticClient(),
/*ShouldOwnClient=*/true,
/*ShouldCloneClient=*/true);
// Note that this module is part of the module build stack, so that we
// can detect cycles in the module graph.
Instance.createFileManager(); // FIXME: Adopt file manager from importer?
Instance.createSourceManager(Instance.getFileManager());
SourceManager &SourceMgr = Instance.getSourceManager();
SourceMgr.setModuleBuildStack(
ImportingInstance.getSourceManager().getModuleBuildStack());
SourceMgr.pushModuleBuildStack(Module->getTopLevelModuleName(),
FullSourceLoc(ImportLoc, ImportingInstance.getSourceManager()));
// Construct a module-generating action.
GenerateModuleAction CreateModuleAction;
// Execute the action to actually build the module in-place. Use a separate
// thread so that we get a stack large enough.
const unsigned ThreadStackSize = 8 << 20;
llvm::CrashRecoveryContext CRC;
CompileModuleMapData Data = { Instance, CreateModuleAction };
CRC.RunSafelyOnThread(&doCompileMapModule, &Data, ThreadStackSize);
// Delete the temporary module map file.
// FIXME: Even though we're executing under crash protection, it would still
// be nice to do this with RemoveFileOnSignal when we can. However, that
// doesn't make sense for all clients, so clean this up manually.
Instance.clearOutputFiles(/*EraseFiles=*/true);
if (!TempModuleMapFileName.empty())
llvm::sys::Path(TempModuleMapFileName).eraseFromDisk();
}
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());
std::unique_ptr<ASTUnit> AST = ASTUnit::LoadFromASTFile(
InputFile, CI.getPCHContainerReader(), Diags, CI.getFileSystemOpts(),
CI.getCodeGenOpts().DebugTypeExtRefs);
if (!AST)
goto failure;
// Inform the diagnostic client we are processing a source file.
CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(), nullptr);
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->getPreprocessorPtr());
CI.setASTContext(&AST->getASTContext());
setCurrentInput(Input, std::move(AST));
// 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;
}
if (!CI.hasVirtualFileSystem()) {
if (IntrusiveRefCntPtr<vfs::FileSystem> VFS =
createVFSFromCompilerInvocation(CI.getInvocation(),
CI.getDiagnostics()))
CI.setVirtualFileSystem(VFS);
else
goto failure;
}
// 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(), nullptr);
HasBegunSourceFile = true;
// Initialize the action.
if (!BeginSourceFileAction(CI, InputFile))
goto failure;
// Initialize the main file entry.
if (!CI.InitializeSourceManager(CurrentInput))
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;
std::string SpecificModuleCachePath = CI.getSpecificModuleCachePath();
if (const DirectoryEntry *PCHDir = FileMgr.getDirectory(PCHInclude)) {
std::error_code EC;
SmallString<128> DirNative;
llvm::sys::path::native(PCHDir->getName(), DirNative);
bool Found = false;
vfs::FileSystem &FS = *FileMgr.getVirtualFileSystem();
for (vfs::directory_iterator Dir = FS.dir_begin(DirNative, EC), DirEnd;
Dir != DirEnd && !EC; Dir.increment(EC)) {
// Check whether this is an acceptable AST file.
if (ASTReader::isAcceptableASTFile(
Dir->getName(), FileMgr, CI.getPCHContainerReader(),
CI.getLangOpts(), CI.getTargetOpts(), CI.getPreprocessorOpts(),
SpecificModuleCachePath)) {
PPOpts.ImplicitPCHInclude = Dir->getName();
Found = true;
break;
}
}
if (!Found) {
CI.getDiagnostics().Report(diag::err_fe_no_pch_in_dir) << PCHInclude;
goto failure;
}
}
}
// Set up the preprocessor if needed. When parsing model files the
// preprocessor of the original source is reused.
if (!isModelParsingAction())
CI.createPreprocessor(getTranslationUnitKind());
// 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;
// Initialize the main file entry. It is important that this occurs after
// BeginSourceFileAction, which may change CurrentInput during module builds.
if (!CI.InitializeSourceManager(CurrentInput))
goto failure;
// Create the AST context and consumer unless this is a preprocessor only
// action.
if (!usesPreprocessorOnly()) {
// Parsing a model file should reuse the existing ASTContext.
if (!isModelParsingAction())
CI.createASTContext();
std::unique_ptr<ASTConsumer> Consumer =
CreateWrappedASTConsumer(CI, InputFile);
if (!Consumer)
goto failure;
// FIXME: should not overwrite ASTMutationListener when parsing model files?
if (!isModelParsingAction())
CI.getASTContext().setASTMutationListener(Consumer->GetASTMutationListener());
if (!CI.getPreprocessorOpts().ChainedIncludes.empty()) {
// Convert headers to PCH and chain them.
IntrusiveRefCntPtr<ExternalSemaSource> source, FinalReader;
source = createChainedIncludesSource(CI, FinalReader);
if (!source)
goto failure;
CI.setModuleManager(static_cast<ASTReader *>(FinalReader.get()));
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();
bool DeleteDeserialListener = false;
if (CI.getPreprocessorOpts().DumpDeserializedPCHDecls) {
DeserialListener = new DeserializedDeclsDumper(DeserialListener,
DeleteDeserialListener);
DeleteDeserialListener = true;
}
if (!CI.getPreprocessorOpts().DeserializedPCHDeclsToErrorOn.empty()) {
DeserialListener = new DeserializedDeclsChecker(
CI.getASTContext(),
CI.getPreprocessorOpts().DeserializedPCHDeclsToErrorOn,
DeserialListener, DeleteDeserialListener);
DeleteDeserialListener = true;
}
CI.createPCHExternalASTSource(
CI.getPreprocessorOpts().ImplicitPCHInclude,
CI.getPreprocessorOpts().DisablePCHValidation,
CI.getPreprocessorOpts().AllowPCHWithCompilerErrors, DeserialListener,
DeleteDeserialListener);
if (!CI.getASTContext().getExternalSource())
goto failure;
}
CI.setASTConsumer(std::move(Consumer));
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();
// If modules are enabled, create the module manager before creating
// any builtins, so that all declarations know that they might be
// extended by an external source.
if (CI.getLangOpts().Modules)
CI.createModuleManager();
PP.getBuiltinInfo().initializeBuiltins(PP.getIdentifierTable(),
PP.getLangOpts());
} else {
// FIXME: If this is a problem, recover from it by creating a multiplex
// source.
assert((!CI.getLangOpts().Modules || CI.getModuleManager()) &&
"modules enabled but created an external source that "
"doesn't support modules");
}
// If we were asked to load any module map files, do so now.
for (const auto &Filename : CI.getFrontendOpts().ModuleMapFiles) {
if (auto *File = CI.getFileManager().getFile(Filename))
CI.getPreprocessor().getHeaderSearchInfo().loadModuleMapFile(
File, /*IsSystem*/false);
else
CI.getDiagnostics().Report(diag::err_module_map_not_found) << Filename;
}
// If we were asked to load any module files, do so now.
for (const auto &ModuleFile : CI.getFrontendOpts().ModuleFiles)
if (!CI.loadModuleFile(ModuleFile))
goto failure;
// 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()) {
IntrusiveRefCntPtr<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(nullptr);
CI.setPreprocessor(nullptr);
CI.setSourceManager(nullptr);
CI.setFileManager(nullptr);
}
if (HasBegunSourceFile)
CI.getDiagnosticClient().EndSourceFile();
CI.clearOutputFiles(/*EraseFiles=*/true);
setCurrentInput(FrontendInputFile());
setCompilerInstance(nullptr);
return false;
}
CompilerInstance* CIFactory::createCI(llvm::MemoryBuffer* buffer,
int argc,
const char* const *argv,
const char* llvmdir) {
// Create an instance builder, passing the llvmdir and arguments.
//
// Initialize the llvm library.
llvm::InitializeNativeTarget();
llvm::InitializeAllAsmPrinters();
llvm::sys::Path resource_path;
if (llvmdir) {
resource_path = llvmdir;
resource_path.appendComponent("lib");
resource_path.appendComponent("clang");
resource_path.appendComponent(CLANG_VERSION_STRING);
} else {
// FIXME: The first arg really does need to be argv[0] on FreeBSD.
//
// Note: The second arg is not used for Apple, FreeBSD, Linux,
// or cygwin, and can only be used on systems which support
// the use of dladdr().
//
// Note: On linux and cygwin this uses /proc/self/exe to find the path.
//
// Note: On Apple it uses _NSGetExecutablePath().
//
// Note: On FreeBSD it uses getprogpath().
//
// Note: Otherwise it uses dladdr().
//
resource_path
= CompilerInvocation::GetResourcesPath("cling",
(void*)(intptr_t) locate_cling_executable
);
}
if (!resource_path.canRead()) {
llvm::errs()
<< "ERROR in cling::CIFactory::createCI():\n resource directory "
<< resource_path.str() << " not found!\n";
resource_path = "";
}
//______________________________________
DiagnosticOptions* DefaultDiagnosticOptions = new DiagnosticOptions();
DefaultDiagnosticOptions->ShowColors = llvm::sys::Process::StandardErrHasColors() ? 1 : 0;
TextDiagnosticPrinter* DiagnosticPrinter
= new TextDiagnosticPrinter(llvm::errs(), DefaultDiagnosticOptions);
llvm::IntrusiveRefCntPtr<clang::DiagnosticIDs> DiagIDs(new DiagnosticIDs());
DiagnosticsEngine* Diagnostics
= new DiagnosticsEngine(DiagIDs, DefaultDiagnosticOptions,
DiagnosticPrinter, /*Owns it*/ true); // LEAKS!
std::vector<const char*> argvCompile(argv, argv + argc);
// We do C++ by default; append right after argv[0] name
// Only insert it if there is no other "-x":
bool haveMinusX = false;
for (const char* const* iarg = argv; !haveMinusX && iarg < argv + argc;
++iarg) {
haveMinusX = !strcmp(*iarg, "-x");
}
if (!haveMinusX) {
argvCompile.insert(argvCompile.begin() + 1,"-x");
argvCompile.insert(argvCompile.begin() + 2, "c++");
}
argvCompile.push_back("-c");
argvCompile.push_back("-");
clang::driver::Driver Driver(argv[0], llvm::sys::getDefaultTargetTriple(),
"cling.out",
*Diagnostics);
//Driver.setWarnMissingInput(false);
Driver.setCheckInputsExist(false); // think foo.C(12)
llvm::ArrayRef<const char*>RF(&(argvCompile[0]), argvCompile.size());
llvm::OwningPtr<clang::driver::Compilation>
Compilation(Driver.BuildCompilation(RF));
const clang::driver::ArgStringList* CC1Args
= GetCC1Arguments(Diagnostics, Compilation.get());
if (CC1Args == NULL) {
return 0;
}
clang::CompilerInvocation*
Invocation = new clang::CompilerInvocation;
clang::CompilerInvocation::CreateFromArgs(*Invocation, CC1Args->data() + 1,
CC1Args->data() + CC1Args->size(),
*Diagnostics);
Invocation->getFrontendOpts().DisableFree = true;
if (Invocation->getHeaderSearchOpts().UseBuiltinIncludes &&
!resource_path.empty()) {
// Update ResourceDir
// header search opts' entry for resource_path/include isn't
// updated by providing a new resource path; update it manually.
clang::HeaderSearchOptions& Opts = Invocation->getHeaderSearchOpts();
llvm::sys::Path oldResInc(Opts.ResourceDir);
oldResInc.appendComponent("include");
llvm::sys::Path newResInc(resource_path);
newResInc.appendComponent("include");
bool foundOldResInc = false;
for (unsigned i = 0, e = Opts.UserEntries.size();
!foundOldResInc && i != e; ++i) {
HeaderSearchOptions::Entry &E = Opts.UserEntries[i];
if (!E.IsFramework && E.Group == clang::frontend::System
&& E.IgnoreSysRoot && oldResInc.str() == E.Path) {
E.Path = newResInc.str();
foundOldResInc = true;
}
}
Opts.ResourceDir = resource_path.str();
}
// Create and setup a compiler instance.
CompilerInstance* CI = new CompilerInstance();
CI->setInvocation(Invocation);
CI->createDiagnostics(DiagnosticPrinter, /*ShouldOwnClient=*/ false,
/*ShouldCloneClient=*/ false);
{
//
// Buffer the error messages while we process
// the compiler options.
//
// Set the language options, which cling needs
SetClingCustomLangOpts(CI->getLangOpts());
CI->getInvocation().getPreprocessorOpts().addMacroDef("__CLING__");
if (CI->getLangOpts().CPlusPlus11 == 1) {
// http://llvm.org/bugs/show_bug.cgi?id=13530
CI->getInvocation().getPreprocessorOpts()
.addMacroDef("__CLING__CXX11");
}
if (CI->getDiagnostics().hasErrorOccurred()) {
delete CI;
CI = 0;
return 0;
}
}
CI->setTarget(TargetInfo::CreateTargetInfo(CI->getDiagnostics(),
&Invocation->getTargetOpts()));
if (!CI->hasTarget()) {
delete CI;
CI = 0;
return 0;
}
CI->getTarget().setForcedLangOptions(CI->getLangOpts());
SetClingTargetLangOpts(CI->getLangOpts(), CI->getTarget());
if (CI->getTarget().getTriple().getOS() == llvm::Triple::Cygwin) {
// clang "forgets" the basic arch part needed by winnt.h:
if (CI->getTarget().getTriple().getArch() == llvm::Triple::x86) {
CI->getInvocation().getPreprocessorOpts().addMacroDef("_X86_=1");
} else if (CI->getTarget().getTriple().getArch()
== llvm::Triple::x86_64) {
CI->getInvocation().getPreprocessorOpts().addMacroDef("__x86_64=1");
} else {
llvm::errs() << "Warning: unhandled target architecture "
<< CI->getTarget().getTriple().getArchName() << '\n';
}
}
// Set up source and file managers
CI->createFileManager();
SourceManager* SM = new SourceManager(CI->getDiagnostics(),
CI->getFileManager(),
/*UserFilesAreVolatile*/ true);
CI->setSourceManager(SM); // FIXME: SM leaks.
// Set up the memory buffer
if (buffer)
CI->getSourceManager().createMainFileIDForMemBuffer(buffer);
else {
// As main file we want
// * a virtual file that is claiming to be huge
// * with an empty memory buffer attached (to bring the content)
SourceManager& SM = CI->getSourceManager();
FileManager& FM = SM.getFileManager();
// Build the virtual file
const char* Filename = "InteractiveInputLineIncluder.h";
const std::string& CGOptsMainFileName
= CI->getInvocation().getCodeGenOpts().MainFileName;
if (!CGOptsMainFileName.empty())
Filename = CGOptsMainFileName.c_str();
const FileEntry* FE
= FM.getVirtualFile(Filename, 1U << 15U, time(0));
FileID MainFileID = SM.createMainFileID(FE, SrcMgr::C_User);
const SrcMgr::SLocEntry& MainFileSLocE = SM.getSLocEntry(MainFileID);
const SrcMgr::ContentCache* MainFileCC
= MainFileSLocE.getFile().getContentCache();
llvm::MemoryBuffer* MainFileMB
= llvm::MemoryBuffer::getMemBuffer("/*CLING MAIN FILE*/\n");
const_cast<SrcMgr::ContentCache*>(MainFileCC)->setBuffer(MainFileMB);
}
// Set up the preprocessor
CI->createPreprocessor();
Preprocessor& PP = CI->getPreprocessor();
PP.getBuiltinInfo().InitializeBuiltins(PP.getIdentifierTable(),
PP.getLangOpts());
// Set up the ASTContext
ASTContext *Ctx = new ASTContext(CI->getLangOpts(),
PP.getSourceManager(), &CI->getTarget(),
PP.getIdentifierTable(),
PP.getSelectorTable(), PP.getBuiltinInfo(),
/*size_reserve*/0, /*DelayInit*/false);
CI->setASTContext(Ctx);
// Set up the ASTConsumers
CI->setASTConsumer(new DeclCollector());
// Set up Sema
CodeCompleteConsumer* CCC = 0;
CI->createSema(TU_Complete, CCC);
// Set CodeGen options
// CI->getCodeGenOpts().DebugInfo = 1; // want debug info
// CI->getCodeGenOpts().EmitDeclMetadata = 1; // For unloading, for later
CI->getCodeGenOpts().OptimizationLevel = 0; // see pure SSA, that comes out
CI->getCodeGenOpts().CXXCtorDtorAliases = 0; // aliasing the complete
// ctor to the base ctor causes
// the JIT to crash
// When asserts are on, TURN ON not compare the VerifyModule
assert(CI->getCodeGenOpts().VerifyModule = 1);
return CI;
}
CompilerInstance* CIFactory::createCI(llvm::MemoryBuffer* buffer,
int argc,
const char* const *argv,
const char* llvmdir) {
// Create an instance builder, passing the llvmdir and arguments.
//
// Initialize the llvm library.
llvm::InitializeNativeTarget();
llvm::InitializeAllAsmPrinters();
llvm::sys::Path resource_path;
if (llvmdir) {
resource_path = llvmdir;
resource_path.appendComponent("lib");
resource_path.appendComponent("clang");
resource_path.appendComponent(CLANG_VERSION_STRING);
} else {
// FIXME: The first arg really does need to be argv[0] on FreeBSD.
//
// Note: The second arg is not used for Apple, FreeBSD, Linux,
// or cygwin, and can only be used on systems which support
// the use of dladdr().
//
// Note: On linux and cygwin this uses /proc/self/exe to find the path.
//
// Note: On Apple it uses _NSGetExecutablePath().
//
// Note: On FreeBSD it uses getprogpath().
//
// Note: Otherwise it uses dladdr().
//
resource_path
= CompilerInvocation::GetResourcesPath("cling",
(void*)(intptr_t) locate_cling_executable
);
}
if (!resource_path.canRead()) {
llvm::errs()
<< "ERROR in cling::CIFactory::createCI():\n resource directory "
<< resource_path.str() << " not found!\n";
resource_path = "";
}
//______________________________________
DiagnosticOptions DefaultDiagnosticOptions;
DefaultDiagnosticOptions.ShowColors = 1;
TextDiagnosticPrinter* DiagnosticPrinter
= new TextDiagnosticPrinter(llvm::errs(), DefaultDiagnosticOptions);
llvm::IntrusiveRefCntPtr<clang::DiagnosticIDs> DiagIDs(new DiagnosticIDs());
DiagnosticsEngine* Diagnostics
= new DiagnosticsEngine(DiagIDs, DiagnosticPrinter,
/*Owns it*/ true); // LEAKS!
std::vector<const char*> argvCompile(argv, argv + argc);
// We do C++ by default; append right after argv[0] name
// Only insert it if there is no other "-x":
bool haveMinusX = false;
for (const char* const* iarg = argv; !haveMinusX && iarg < argv + argc;
++iarg) {
haveMinusX = !strcmp(*iarg, "-x");
}
if (!haveMinusX) {
argvCompile.insert(argvCompile.begin() + 1,"-x");
argvCompile.insert(argvCompile.begin() + 2, "c++");
}
argvCompile.push_back("-c");
argvCompile.push_back("-");
bool IsProduction = false;
assert(IsProduction = true && "set IsProduction if asserts are on.");
clang::driver::Driver Driver(argv[0], llvm::sys::getDefaultTargetTriple(),
"cling.out",
IsProduction,
*Diagnostics);
//Driver.setWarnMissingInput(false);
Driver.setCheckInputsExist(false); // think foo.C(12)
llvm::ArrayRef<const char*>RF(&(argvCompile[0]), argvCompile.size());
llvm::OwningPtr<clang::driver::Compilation>
Compilation(Driver.BuildCompilation(RF));
const clang::driver::ArgStringList* CC1Args
= GetCC1Arguments(Diagnostics, Compilation.get());
if (CC1Args == NULL) {
return 0;
}
clang::CompilerInvocation*
Invocation = new clang::CompilerInvocation; // LEAKS!
clang::CompilerInvocation::CreateFromArgs(*Invocation, CC1Args->data() + 1,
CC1Args->data() + CC1Args->size(),
*Diagnostics);
Invocation->getFrontendOpts().DisableFree = true;
if (Invocation->getHeaderSearchOpts().UseBuiltinIncludes &&
!resource_path.empty()) {
// Update ResourceDir
// header search opts' entry for resource_path/include isn't
// updated by providing a new resource path; update it manually.
clang::HeaderSearchOptions& Opts = Invocation->getHeaderSearchOpts();
llvm::sys::Path oldResInc(Opts.ResourceDir);
oldResInc.appendComponent("include");
llvm::sys::Path newResInc(resource_path);
newResInc.appendComponent("include");
bool foundOldResInc = false;
for (unsigned i = 0, e = Opts.UserEntries.size();
!foundOldResInc && i != e; ++i) {
HeaderSearchOptions::Entry &E = Opts.UserEntries[i];
if (!E.IsUserSupplied && !E.IsFramework
&& E.Group == clang::frontend::System && E.IgnoreSysRoot
&& E.IsInternal && !E.ImplicitExternC
&& oldResInc.str() == E.Path) {
E.Path = newResInc.str();
foundOldResInc = true;
}
}
Opts.ResourceDir = resource_path.str();
}
// Create and setup a compiler instance.
CompilerInstance* CI = new CompilerInstance();
CI->setInvocation(Invocation);
CI->createDiagnostics(CC1Args->size(), CC1Args->data() + 1);
{
//
// Buffer the error messages while we process
// the compiler options.
//
// Set the language options, which cling needs
SetClingCustomLangOpts(CI->getLangOpts());
CI->getInvocation().getPreprocessorOpts().addMacroDef("__CLING__");
if (CI->getDiagnostics().hasErrorOccurred()) {
delete CI;
CI = 0;
return 0;
}
}
CI->setTarget(TargetInfo::CreateTargetInfo(CI->getDiagnostics(),
Invocation->getTargetOpts()));
if (!CI->hasTarget()) {
delete CI;
CI = 0;
return 0;
}
CI->getTarget().setForcedLangOptions(CI->getLangOpts());
SetClingTargetLangOpts(CI->getLangOpts(), CI->getTarget());
// Set up source and file managers
CI->createFileManager();
CI->createSourceManager(CI->getFileManager());
// Set up the memory buffer
if (buffer)
CI->getSourceManager().createMainFileIDForMemBuffer(buffer);
// Set up the preprocessor
CI->createPreprocessor();
Preprocessor& PP = CI->getPreprocessor();
PP.getBuiltinInfo().InitializeBuiltins(PP.getIdentifierTable(),
PP.getLangOpts());
// Set up the ASTContext
ASTContext *Ctx = new ASTContext(CI->getLangOpts(),
PP.getSourceManager(), &CI->getTarget(),
PP.getIdentifierTable(),
PP.getSelectorTable(), PP.getBuiltinInfo(),
/*size_reserve*/0, /*DelayInit*/false);
CI->setASTContext(Ctx);
// Set up the ASTConsumers
CI->setASTConsumer(new DeclCollector());
// Set up Sema
CodeCompleteConsumer* CCC = 0;
CI->createSema(TU_Prefix, CCC);
// Set CodeGen options
// CI->getCodeGenOpts().DebugInfo = 1; // want debug info
// CI->getCodeGenOpts().EmitDeclMetadata = 1; // For unloading, for later
CI->getCodeGenOpts().OptimizationLevel = 0; // see pure SSA, that comes out
// When asserts are on, TURN ON not compare the VerifyModule
assert(CI->getCodeGenOpts().VerifyModule = 1);
return CI;
}
static int CompileSubprocess(const char **argv, int argc,
sys::Path &ResourceDir, bool bugreport,
bool versionOnly, sys::Path &apiMapPath)
{
std::vector<char*> llvmArgs;
char apim[] = "-clam-apimap";
llvmArgs.push_back((char*)argv[0]);
llvmArgs.push_back(apim);
llvmArgs.push_back((char*)apiMapPath.c_str());
// Split args into cc1 and LLVM args, separator is --
int cc1_argc;
for (cc1_argc=1;cc1_argc<argc;cc1_argc++) {
if (StringRef(argv[cc1_argc]) == "--") {
for (int i=cc1_argc+1;i<argc;i++) {
llvmArgs.push_back((char*)argv[i]);
}
break;
}
}
// Initialize CompilerInstance from commandline args
CompilerInstance Clang;
Clang.setLLVMContext(new llvm::LLVMContext);
LLVMInitializeClamBCTargetInfo();
LLVMInitializeClamBCTarget();
TextDiagnosticBuffer DiagsBuffer;
Diagnostic Diags(&DiagsBuffer);
CompilerInvocation::CreateFromArgs(Clang.getInvocation(), argv+1,
argv+cc1_argc, Diags);
FrontendOptions &FrontendOpts = Clang.getInvocation().getFrontendOpts();
// Handle --version
if (FrontendOpts.ShowVersion || versionOnly) {
printVersion(outs(), true);
exit(0);
}
DiagnosticOptions &DiagOpts = Clang.getInvocation().getDiagnosticOpts();
DiagOpts.ShowOptionNames = DiagOpts.ShowColors = 1;
DiagOpts.MessageLength = 80;// we are writing to a file
DiagOpts.Warnings.push_back("all");
DiagOpts.Warnings.push_back("no-pointer-sign");
Clang.createDiagnostics(argc-1, const_cast<char**>(argv+1));
if (!Clang.hasDiagnostics())
return 2;
Clang.getInvocation().getHeaderSearchOpts().ResourceDir = ResourceDir.str();
// Set default options
LangOptions &LangOpts = Clang.getInvocation().getLangOpts();
// This is a freestanding environment, without libc, etc.
LangOpts.Freestanding = 1;
HeaderSearchOptions &HeaderSearchOpts =
Clang.getInvocation().getHeaderSearchOpts();
HeaderSearchOpts.UseStandardIncludes = 0;
if (bugreport)
HeaderSearchOpts.Verbose = 1;
if (FrontendOpts.ProgramAction != frontend::PrintPreprocessedInput)
FrontendOpts.ProgramAction = frontend::EmitBC;
if (bugreport)
FrontendOpts.ProgramAction = frontend::PrintPreprocessedInput;
// Don't bother freeing of memory on exit
FrontendOpts.DisableFree = 1;
CodeGenOptions &Opts = Clang.getInvocation().getCodeGenOpts();
Opts.Inlining = CodeGenOptions::OnlyAlwaysInlining;
// always generate debug info, so that ClamBC backend can output sourcelevel
// diagnostics.
Opts.DebugInfo = true;
// FIXME: once the verifier can work w/o targetdata, and targetdate opts set
// DisableLLVMOpts to true!
// This is needed to avoid target-specific optimizations
Opts.DisableLLVMOpts = false;
AnalyzerOptions &AOpts = Clang.getInvocation().getAnalyzerOpts();
AOpts.AnalysisList.push_back(WarnDeadStores);
AOpts.AnalysisList.push_back(WarnUninitVals);
AOpts.AnalysisList.push_back(SecuritySyntacticChecks);
AOpts.AnalysisList.push_back(WarnSizeofPointer);
// Set triple
Clang.getInvocation().getTargetOpts().Triple = "clambc-generic-generic";
// Set default include
Clang.getInvocation().getPreprocessorOpts().Includes.push_back("bytecode.h");
// Set an LLVM error handler.
llvm::llvm_install_error_handler(LLVMErrorHandler,
static_cast<void*>(&Clang.getDiagnostics()));
DiagsBuffer.FlushDiagnostics(Clang.getDiagnostics());
// If there were any errors in processing arguments, exit now.
if (Clang.getDiagnostics().getNumErrors())
return 1;
// Create the target instance.
//TODO: directly create a clambc target
Clang.setTarget(TargetInfo::CreateTargetInfo(Clang.getDiagnostics(),
Clang.getTargetOpts()));
if (!Clang.hasTarget())
return 1;
// Inform the target of the language options
Clang.getTarget().setForcedLangOptions(Clang.getLangOpts());
if (Clang.getHeaderSearchOpts().Verbose) {
llvm::errs() << "clang -cc1 version " CLANG_VERSION_STRING
<< " based upon " << PACKAGE_STRING
<< " hosted on " << llvm::sys::getHostTriple() << "\n";
// Convert the invocation back to argument strings.
std::vector<std::string> InvocationArgs;
Clang.getInvocation().toArgs(InvocationArgs);
// Dump the converted arguments.
llvm::SmallVector<const char*, 32> Invocation2Args;
llvm::errs() << "invocation argv :";
for (unsigned i = 0, e = InvocationArgs.size(); i != e; ++i) {
Invocation2Args.push_back(InvocationArgs[i].c_str());
llvm::errs() << " \"" << InvocationArgs[i] << '"';
}
llvm::errs() << "\n";
}
std::string Input = FrontendOpts.Inputs[0].second;
if (Input == "-" && bugreport)
return 2;
raw_fd_ostream *fd = 0;
if (FrontendOpts.ProgramAction == frontend::EmitBC) {
// replace output file of compiler with a tempfile,
// and save the final output filename.
std::string FinalOutput = FrontendOpts.OutputFile;
if (FinalOutput.empty()) {
if (Input == "-")
FinalOutput = "-";
else {
sys::Path P(sys::Path(Input).getBasename());
P.appendSuffix("cbc");
FinalOutput = P.str();
}
}
llvm::raw_fd_ostream *tmpfd;
std::string Err2;
fd = Clang.createOutputFile(FinalOutput, Err2, false);
if (!fd) {
Clang.getDiagnostics().Report(clang::diag::err_drv_unable_to_make_temp) << Err2;
return 1;
}
sys::Path P = sys::Path(FinalOutput);
P.eraseSuffix();
P.appendSuffix("tmp.bc");
FrontendOpts.OutputFile = P.str();
tmpfd = Clang.createOutputFile(P.str(), Err2, true);
if (!tmpfd) {
Clang.getDiagnostics().Report(clang::diag::err_drv_unable_to_make_temp) << Err2;
return 1;
}
delete tmpfd;
sys::RemoveFileOnSignal(sys::Path(FrontendOpts.OutputFile));
}
if (!FrontendOpts.Inputs.empty()) {
char srcp[] = "-clambc-src";
llvmArgs.push_back(srcp);
llvmArgs.push_back(strdup(Input.c_str()));
}
// Parse LLVM commandline args
cl::ParseCommandLineOptions(llvmArgs.size(), &llvmArgs[0]);
std::string re2cpath = getTmpDir();
if (re2cpath.empty()) {
llvm::errs()<< "Failed to create temporary file for re2c-out!\n";
return 2;
}
re2cpath += "/clambc-compiler-re2c-out";
sys::Path TmpRe2C(re2cpath);
if (!FrontendOpts.Inputs.empty()) {
char re2c_args[] = "--no-generation-date";
char re2c_o[] = "-o";
char name[] = "";
char *args[6] = {
name,
re2c_args,
re2c_o,
NULL,
NULL,
NULL
};
args[4] = strdup(Input.c_str());
std::string ErrMsg("");
if (TmpRe2C.createTemporaryFileOnDisk(true, &ErrMsg)) {
Clang.getDiagnostics().Report(clang::diag::err_drv_unable_to_make_temp) <<
ErrMsg;
return 1;
}
sys::RemoveFileOnSignal(TmpRe2C);
args[3] = strdup(TmpRe2C.str().c_str());
int ret = re2c_main(5, args);
if (ret) {
Clang.getDiagnostics().Report(clang::diag::err_drv_command_failed) <<
"re2c" << ret;
return 1;
}
Input = TmpRe2C.str();
}
// Create a file manager object to provide access to and cache the
// filesystem.
Clang.createFileManager();
// Create the source manager.
Clang.createSourceManager();
// Create the preprocessor.
Clang.createPreprocessor();
llvm::OwningPtr<FrontendAction> Act(CreateFrontendAction(Clang));
if (Act && Act->BeginSourceFile(Clang, Input, false)) {
Act->Execute();
Act->EndSourceFile();
}
TmpRe2C.eraseFromDisk();// erase tempfile
int ret = Clang.getDiagnostics().getNumErrors() != 0;
if (ret)
return ret;
if (FrontendOpts.ProgramAction != frontend::EmitBC) {
// stop processing if not compiling a final .cbc file
return 0;
}
ret = compileInternal(FrontendOpts.OutputFile.c_str(), Opts.OptimizationLevel,
Opts.OptimizeSize, argv[0], fd, Clang);
// Erase temp file, we need to do this here since OutputFile is a tempfile
// only if action was EmitBC
sys::Path(FrontendOpts.OutputFile).eraseFromDisk();
return ret;
}
int main()
{
using clang::CompilerInstance;
using clang::TargetOptions;
using clang::TargetInfo;
using clang::FileEntry;
using clang::Token;
using clang::HeaderSearch;
using clang::HeaderSearchOptions;
using clang::DiagnosticOptions;
using clang::TextDiagnosticPrinter;
CompilerInstance ci;
DiagnosticOptions diagnosticOptions;
ci.createDiagnostics();
llvm::IntrusiveRefCntPtr<TargetOptions> pto( new TargetOptions());
pto->Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *pti = TargetInfo::CreateTargetInfo(ci.getDiagnostics(), pto.getPtr());
ci.setTarget(pti);
ci.createFileManager();
ci.createSourceManager(ci.getFileManager());
ci.createPreprocessor();
ci.getPreprocessorOpts().UsePredefines = true;
llvm::IntrusiveRefCntPtr<clang::HeaderSearchOptions> hso( new clang::HeaderSearchOptions());
HeaderSearch headerSearch(hso,
ci.getFileManager(),
ci.getDiagnostics(),
ci.getLangOpts(),
pti);
// <Warning!!> -- Platform Specific Code lives here
// This depends on A) that you're running linux and
// B) that you have the same GCC LIBs installed that
// I do.
// Search through Clang itself for something like this,
// go on, you won't find it. The reason why is Clang
// has its own versions of std* which are installed under
// /usr/local/lib/clang/<version>/include/
// See somewhere around Driver.cpp:77 to see Clang adding
// its version of the headers to its include path.
hso->AddPath("/usr/include",
clang::frontend::Angled,
false,
false);
hso->AddPath("/usr/lib/gcc/x86_64-linux-gnu/4.4.5/include",
clang::frontend::Angled,
false,
false);
// </Warning!!> -- End of Platform Specific Code
clang::InitializePreprocessor(ci.getPreprocessor(),
ci.getPreprocessorOpts(),
*hso,
ci.getFrontendOpts());
const FileEntry *pFile = ci.getFileManager().getFile("testInclude.c");
ci.getSourceManager().createMainFileID(pFile);
ci.getPreprocessor().EnterMainSourceFile();
ci.getDiagnosticClient().BeginSourceFile(ci.getLangOpts(),
&ci.getPreprocessor());
Token tok;
do {
ci.getPreprocessor().Lex(tok);
if( ci.getDiagnostics().hasErrorOccurred())
break;
ci.getPreprocessor().DumpToken(tok);
std::cerr << std::endl;
} while ( tok.isNot(clang::tok::eof));
ci.getDiagnosticClient().EndSourceFile();
return 0;
}
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;
}
//使用的格式: ./checkMemory 被测试文件名 --
int main(int argc,const char **argv) {
//----此块基本一样 start----
struct stat sb;
//set compilerinstance for rewriter
std::string fileName(argv[1]);
if (stat(fileName.c_str(), &sb) == -1){
perror(fileName.c_str());
exit(EXIT_FAILURE);
}
CompilerInstance compiler;
DiagnosticOptions diagnosticOptions;
compiler.createDiagnostics();
//invocation可以传递任何flag给preprocessor
CompilerInvocation *Invocation = new CompilerInvocation;
CompilerInvocation::CreateFromArgs(*Invocation, argv + 1, argv + argc-1,compiler.getDiagnostics());
compiler.setInvocation(Invocation);
//建立TargetOptions和TargetInfo,并设置好Target
// Set default target triple
llvm::IntrusiveRefCntPtr<TargetOptions> pto( new TargetOptions());
pto->Triple = llvm::sys::getDefaultTargetTriple();
llvm::IntrusiveRefCntPtr<TargetInfo>
pti(TargetInfo::CreateTargetInfo(compiler.getDiagnostics(),
pto.getPtr()));
compiler.setTarget(pti.getPtr());
//FileManager,SourceManager 以及heaDREearch的Options的设置
compiler.createFileManager();
compiler.createSourceManager(compiler.getFileManager());
HeaderSearchOptions &headerSearchOptions = compiler.getHeaderSearchOpts();
headerSearchOptions.AddPath("/usr/include/c++",
clang::frontend::Angled,
false,
false);
headerSearchOptions.AddPath("/usr/local/lib/clang/3.5.0/include",
clang::frontend::Angled,
false,
false);
headerSearchOptions.AddPath("/usr/include/i386-linux-gnu",
clang::frontend::Angled,
false,
false);
headerSearchOptions.AddPath("/usr/include",
clang::frontend::Angled,
false,
false);
/*
headerSearchOptions.AddPath("/usr/include",
clang::frontend::Angled,
false,
false);
*/
//langOptions设置，要传给rewriter
LangOptions langOpts;
langOpts.GNUMode = 1;
langOpts.CXXExceptions = 1;
langOpts.RTTI = 1;
langOpts.Bool = 1;
langOpts.CPlusPlus = 1;
Invocation->setLangDefaults(langOpts, clang::IK_CXX,clang::LangStandard::lang_cxx0x);
//create PP
compiler.createPreprocessor();//(TU_Complete);//
compiler.getPreprocessorOpts().UsePredefines = false;
//createASTContext
compiler.createASTContext();
//set the sourceManager for rewriter
rewrite.setSourceMgr(compiler.getSourceManager(), compiler.getLangOpts());
//插装文件入口
const FileEntry *pFile = compiler.getFileManager().getFile(fileName);
compiler.getSourceManager().createMainFileID(pFile);
compiler.getDiagnosticClient().BeginSourceFile(compiler.getLangOpts(),&compiler.getPreprocessor());
MyASTConsumer astConsumer(rewrite);
//将.c转成_out.c
// Convert <file>.c to <file_out>.c
std::string outName (fileName);
/*size_t ext = outName.rfind(".");
//根据有没有找到‘。’来决定在哪里加入_out
if (ext == std::string::npos)
ext = outName.length();
outName.insert(ext, "_out");
*/
outName.insert(outName.length(),"_out");
llvm::errs() << "Output to: " << outName << "\n";
std::string OutErrorInfo;
//新建输入到新文件的流
llvm::raw_fd_ostream outFile(outName.c_str(), OutErrorInfo);//,llvm::sys::fs::F_None);//版本问题//////
//----此块基本一样 end----
if (OutErrorInfo.empty()){
// Parse the AST
//用PP，astConsumer，ASTContext来解释AST
ParseAST(compiler.getPreprocessor(), &astConsumer, compiler.getASTContext());
compiler.getDiagnosticClient().EndSourceFile();
//建立ClangTool
CommonOptionsParser OptionsParser(argc, argv);//, MyToolCategory);
ClangTool Tool(OptionsParser.getCompilations(),
OptionsParser.getSourcePathList());
//开始匹配
MallocVarPrinter mallocVarPrinter;
MatchFinder mallocVarFinder;
mallocVarFinder.addMatcher(MallocVarMatcher, &mallocVarPrinter);
Tool.run(newFrontendActionFactory(&mallocVarFinder));
MallocPrinter mallocPrinter;
MatchFinder mallocFinder;
mallocFinder.addMatcher(MallocMatcher, &mallocPrinter);
Tool.run(newFrontendActionFactory(&mallocFinder));
FreeVarPrinter freeVarPrinter;
MatchFinder freeVarFinder;
freeVarFinder.addMatcher(FreeVarMatcher, &freeVarPrinter);
Tool.run(newFrontendActionFactory(&freeVarFinder));
FreePrinter freePrinter;
MatchFinder freeFinder;
freeFinder.addMatcher(FreeMatcher, &freePrinter);
Tool.run(newFrontendActionFactory(&freeFinder));
const RewriteBuffer *RewriteBuf =rewrite.getRewriteBufferFor(compiler.getSourceManager().getMainFileID());
if(RewriteBuf != NULL){
#ifdef DEBUG
llvm::errs() << " RewriteBuf not NULL \n";
//在文件头加上改头文件,防止没有 stdlib,stdio 而不能使用printf和exit函数
#endif
outFile << "#include\"plugHead.h\"\n";
outFile << std::string(RewriteBuf->begin(), RewriteBuf->end());
}else{
#ifdef DEBUG
llvm::errs() << " RewriteBuf is NULL \n";
#endif
outFile << "#include\"plugHead.h\"\n";
std::ifstream infile(fileName.c_str());
if(!infile){
llvm::errs() << " fail to open the input file!\n";
exit(-1);
}
std::string str_in;
while(std::getline(infile,str_in)){
outFile << str_in <<"\n";
}
}
outFile.close();
#ifdef DEBUG
std::string checkStructErrorInfo;
std::string checkStructFileName = "checkStruct.txt";
//新建输入到新文件的流,将已经找到的malloc过的结构体信息写入文件,供另一个处理程序读取
llvm::raw_fd_ostream csFile(checkStructFileName.c_str(),checkStructErrorInfo);//,llvm::sys::fs::F_None);
if (checkStructErrorInfo.empty()){
for(unsigned int i=0;i<cpVec.size();++i){
csFile << cpVec[i].name << " " << cpVec[i].row << " " << cpVec[i].col << " " << cpVec[i].declName << " " << cpVec[i].declRow << " " << cpVec[i].declCol << "\n" ;
}
}
csFile.close();
for(unsigned int i=0;i<cpVec.size();++i){
llvm::errs()<<cpVec[i].name<<"|"<<cpVec[i].declName<<":"<<cpVec[i].declRow<<":"<<cpVec[i].declCol<<"\n";
}
#endif
}
else{
llvm::errs() << "Cannot open " << outName << " for writing\n";
}
return 0;
}
bool FrontendAction::BeginSourceFile(CompilerInstance &CI,
const FrontendInputFile &RealInput) {
FrontendInputFile Input(RealInput);
assert(!Instance && "Already processing a source file!");
assert(!Input.isEmpty() && "Unexpected empty filename!");
setCurrentInput(Input);
setCompilerInstance(&CI);
StringRef InputFile = Input.getFile();
bool HasBegunSourceFile = false;
bool ReplayASTFile = Input.getKind().getFormat() == InputKind::Precompiled &&
usesPreprocessorOnly();
if (!BeginInvocation(CI))
goto failure;
// If we're replaying the build of an AST file, import it and set up
// the initial state from its build.
if (ReplayASTFile) {
IntrusiveRefCntPtr<DiagnosticsEngine> Diags(&CI.getDiagnostics());
// The AST unit populates its own diagnostics engine rather than ours.
IntrusiveRefCntPtr<DiagnosticsEngine> ASTDiags(
new DiagnosticsEngine(Diags->getDiagnosticIDs(),
&Diags->getDiagnosticOptions()));
ASTDiags->setClient(Diags->getClient(), /*OwnsClient*/false);
std::unique_ptr<ASTUnit> AST = ASTUnit::LoadFromASTFile(
InputFile, CI.getPCHContainerReader(), ASTUnit::LoadPreprocessorOnly,
ASTDiags, CI.getFileSystemOpts(), CI.getCodeGenOpts().DebugTypeExtRefs);
if (!AST)
goto failure;
// Options relating to how we treat the input (but not what we do with it)
// are inherited from the AST unit.
CI.getHeaderSearchOpts() = AST->getHeaderSearchOpts();
CI.getPreprocessorOpts() = AST->getPreprocessorOpts();
CI.getLangOpts() = AST->getLangOpts();
// 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.createSourceManager(CI.getFileManager());
CI.getSourceManager().initializeForReplay(AST->getSourceManager());
// Preload all the module files loaded transitively by the AST unit. Also
// load all module map files that were parsed as part of building the AST
// unit.
if (auto ASTReader = AST->getASTReader()) {
auto &MM = ASTReader->getModuleManager();
auto &PrimaryModule = MM.getPrimaryModule();
for (ModuleFile &MF : MM)
if (&MF != &PrimaryModule)
CI.getFrontendOpts().ModuleFiles.push_back(MF.FileName);
ASTReader->visitTopLevelModuleMaps(PrimaryModule,
[&](const FileEntry *FE) {
CI.getFrontendOpts().ModuleMapFiles.push_back(FE->getName());
});
}
// Set up the input file for replay purposes.
auto Kind = AST->getInputKind();
if (Kind.getFormat() == InputKind::ModuleMap) {
Module *ASTModule =
AST->getPreprocessor().getHeaderSearchInfo().lookupModule(
AST->getLangOpts().CurrentModule, /*AllowSearch*/ false);
assert(ASTModule && "module file does not define its own module");
Input = FrontendInputFile(ASTModule->PresumedModuleMapFile, Kind);
} else {
auto &SM = CI.getSourceManager();
FileID ID = SM.getMainFileID();
if (auto *File = SM.getFileEntryForID(ID))
Input = FrontendInputFile(File->getName(), Kind);
else
Input = FrontendInputFile(SM.getBuffer(ID), Kind);
}
setCurrentInput(Input, std::move(AST));
}
// AST files follow a very different path, since they share objects via the
// AST unit.
if (Input.getKind().getFormat() == InputKind::Precompiled) {
assert(!usesPreprocessorOnly() && "this case was handled above");
assert(hasASTFileSupport() &&
"This action does not have AST file support!");
IntrusiveRefCntPtr<DiagnosticsEngine> Diags(&CI.getDiagnostics());
std::unique_ptr<ASTUnit> AST = ASTUnit::LoadFromASTFile(
InputFile, CI.getPCHContainerReader(), ASTUnit::LoadEverything, Diags,
CI.getFileSystemOpts(), CI.getCodeGenOpts().DebugTypeExtRefs);
if (!AST)
goto failure;
// Inform the diagnostic client we are processing a source file.
CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(), nullptr);
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->getPreprocessorPtr());
Preprocessor &PP = CI.getPreprocessor();
PP.getBuiltinInfo().initializeBuiltins(PP.getIdentifierTable(),
PP.getLangOpts());
CI.setASTContext(&AST->getASTContext());
setCurrentInput(Input, std::move(AST));
// Initialize the action.
if (!BeginSourceFileAction(CI))
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()) {
if (!CI.createFileManager()) {
goto failure;
}
}
if (!CI.hasSourceManager())
CI.createSourceManager(CI.getFileManager());
// Set up embedding for any specified files. Do this before we load any
// source files, including the primary module map for the compilation.
for (const auto &F : CI.getFrontendOpts().ModulesEmbedFiles) {
if (const auto *FE = CI.getFileManager().getFile(F, /*openFile*/true))
CI.getSourceManager().setFileIsTransient(FE);
else
CI.getDiagnostics().Report(diag::err_modules_embed_file_not_found) << F;
}
if (CI.getFrontendOpts().ModulesEmbedAllFiles)
CI.getSourceManager().setAllFilesAreTransient(true);
// IR files bypass the rest of initialization.
if (Input.getKind().getLanguage() == InputKind::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(), nullptr);
HasBegunSourceFile = true;
// Initialize the action.
if (!BeginSourceFileAction(CI))
goto failure;
// Initialize the main file entry.
if (!CI.InitializeSourceManager(CurrentInput))
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;
std::string SpecificModuleCachePath = CI.getSpecificModuleCachePath();
if (const DirectoryEntry *PCHDir = FileMgr.getDirectory(PCHInclude)) {
std::error_code EC;
SmallString<128> DirNative;
llvm::sys::path::native(PCHDir->getName(), DirNative);
bool Found = false;
vfs::FileSystem &FS = *FileMgr.getVirtualFileSystem();
for (vfs::directory_iterator Dir = FS.dir_begin(DirNative, EC), DirEnd;
Dir != DirEnd && !EC; Dir.increment(EC)) {
// Check whether this is an acceptable AST file.
if (ASTReader::isAcceptableASTFile(
Dir->getName(), FileMgr, CI.getPCHContainerReader(),
CI.getLangOpts(), CI.getTargetOpts(), CI.getPreprocessorOpts(),
SpecificModuleCachePath)) {
PPOpts.ImplicitPCHInclude = Dir->getName();
Found = true;
break;
}
}
if (!Found) {
CI.getDiagnostics().Report(diag::err_fe_no_pch_in_dir) << PCHInclude;
goto failure;
}
}
}
// Set up the preprocessor if needed. When parsing model files the
// preprocessor of the original source is reused.
if (!isModelParsingAction())
CI.createPreprocessor(getTranslationUnitKind());
// Inform the diagnostic client we are processing a source file.
CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(),
&CI.getPreprocessor());
HasBegunSourceFile = true;
// Initialize the main file entry.
if (!CI.InitializeSourceManager(Input))
goto failure;
// For module map files, we first parse the module map and synthesize a
// "<module-includes>" buffer before more conventional processing.
if (Input.getKind().getFormat() == InputKind::ModuleMap) {
CI.getLangOpts().setCompilingModule(LangOptions::CMK_ModuleMap);
std::string PresumedModuleMapFile;
unsigned OffsetToContents;
if (loadModuleMapForModuleBuild(CI, Input.isSystem(),
Input.isPreprocessed(),
PresumedModuleMapFile, OffsetToContents))
goto failure;
auto *CurrentModule = prepareToBuildModule(CI, Input.getFile());
if (!CurrentModule)
goto failure;
CurrentModule->PresumedModuleMapFile = PresumedModuleMapFile;
if (OffsetToContents)
// If the module contents are in the same file, skip to them.
CI.getPreprocessor().setSkipMainFilePreamble(OffsetToContents, true);
else {
// Otherwise, convert the module description to a suitable input buffer.
auto Buffer = getInputBufferForModule(CI, CurrentModule);
if (!Buffer)
goto failure;
// Reinitialize the main file entry to refer to the new input.
auto Kind = CurrentModule->IsSystem ? SrcMgr::C_System : SrcMgr::C_User;
auto &SourceMgr = CI.getSourceManager();
auto BufferID = SourceMgr.createFileID(std::move(Buffer), Kind);
assert(BufferID.isValid() && "couldn't creaate module buffer ID");
SourceMgr.setMainFileID(BufferID);
}
}
// Initialize the action.
if (!BeginSourceFileAction(CI))
goto failure;
// If we were asked to load any module map files, do so now.
for (const auto &Filename : CI.getFrontendOpts().ModuleMapFiles) {
if (auto *File = CI.getFileManager().getFile(Filename))
CI.getPreprocessor().getHeaderSearchInfo().loadModuleMapFile(
File, /*IsSystem*/false);
else
CI.getDiagnostics().Report(diag::err_module_map_not_found) << Filename;
}
// Add a module declaration scope so that modules from -fmodule-map-file
// arguments may shadow modules found implicitly in search paths.
CI.getPreprocessor()
.getHeaderSearchInfo()
.getModuleMap()
.finishModuleDeclarationScope();
// Create the AST context and consumer unless this is a preprocessor only
// action.
if (!usesPreprocessorOnly()) {
// Parsing a model file should reuse the existing ASTContext.
if (!isModelParsingAction())
CI.createASTContext();
// For preprocessed files, check if the first line specifies the original
// source file name with a linemarker.
std::string PresumedInputFile = InputFile;
if (Input.isPreprocessed())
ReadOriginalFileName(CI, PresumedInputFile);
std::unique_ptr<ASTConsumer> Consumer =
CreateWrappedASTConsumer(CI, PresumedInputFile);
if (!Consumer)
goto failure;
// FIXME: should not overwrite ASTMutationListener when parsing model files?
if (!isModelParsingAction())
CI.getASTContext().setASTMutationListener(Consumer->GetASTMutationListener());
if (!CI.getPreprocessorOpts().ChainedIncludes.empty()) {
// Convert headers to PCH and chain them.
IntrusiveRefCntPtr<ExternalSemaSource> source, FinalReader;
source = createChainedIncludesSource(CI, FinalReader);
if (!source)
goto failure;
CI.setModuleManager(static_cast<ASTReader *>(FinalReader.get()));
CI.getASTContext().setExternalSource(source);
} else if (CI.getLangOpts().Modules ||
!CI.getPreprocessorOpts().ImplicitPCHInclude.empty()) {
// Use PCM or PCH.
assert(hasPCHSupport() && "This action does not have PCH support!");
ASTDeserializationListener *DeserialListener =
Consumer->GetASTDeserializationListener();
bool DeleteDeserialListener = false;
if (CI.getPreprocessorOpts().DumpDeserializedPCHDecls) {
DeserialListener = new DeserializedDeclsDumper(DeserialListener,
DeleteDeserialListener);
DeleteDeserialListener = true;
}
if (!CI.getPreprocessorOpts().DeserializedPCHDeclsToErrorOn.empty()) {
DeserialListener = new DeserializedDeclsChecker(
CI.getASTContext(),
CI.getPreprocessorOpts().DeserializedPCHDeclsToErrorOn,
DeserialListener, DeleteDeserialListener);
DeleteDeserialListener = true;
}
if (!CI.getPreprocessorOpts().ImplicitPCHInclude.empty()) {
CI.createPCHExternalASTSource(
CI.getPreprocessorOpts().ImplicitPCHInclude,
CI.getPreprocessorOpts().DisablePCHValidation,
CI.getPreprocessorOpts().AllowPCHWithCompilerErrors, DeserialListener,
DeleteDeserialListener);
if (!CI.getASTContext().getExternalSource())
goto failure;
}
// If modules are enabled, create the module manager before creating
// any builtins, so that all declarations know that they might be
// extended by an external source.
if (CI.getLangOpts().Modules || !CI.hasASTContext() ||
!CI.getASTContext().getExternalSource()) {
CI.createModuleManager();
CI.getModuleManager()->setDeserializationListener(DeserialListener,
DeleteDeserialListener);
}
}
CI.setASTConsumer(std::move(Consumer));
if (!CI.hasASTConsumer())
goto failure;
}
// Initialize built-in info as long as we aren't using an external AST
// source.
if (CI.getLangOpts().Modules || !CI.hasASTContext() ||
!CI.getASTContext().getExternalSource()) {
Preprocessor &PP = CI.getPreprocessor();
PP.getBuiltinInfo().initializeBuiltins(PP.getIdentifierTable(),
PP.getLangOpts());
} else {
// FIXME: If this is a problem, recover from it by creating a multiplex
// source.
assert((!CI.getLangOpts().Modules || CI.getModuleManager()) &&
"modules enabled but created an external source that "
"doesn't support modules");
}
// If we were asked to load any module files, do so now.
for (const auto &ModuleFile : CI.getFrontendOpts().ModuleFiles)
if (!CI.loadModuleFile(ModuleFile))
goto failure;
// 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()) {
IntrusiveRefCntPtr<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 (HasBegunSourceFile)
CI.getDiagnosticClient().EndSourceFile();
CI.clearOutputFiles(/*EraseFiles=*/true);
CI.getLangOpts().setCompilingModule(LangOptions::CMK_None);
setCurrentInput(FrontendInputFile());
setCompilerInstance(nullptr);
return false;
}
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;
}
int main(int argc, char *argv[])
{
#if 0
vector<string> args;
args.push_back("tool-executable");
for (int i = 1; i < argc; ++i) {
args.push_back(argv[i]);
}
parse_with_tool(args);
return 0;
#endif
string user_defines;
for (int i = 1; i < argc; ++i) {
if (argv[i][0] == '-' && argv[i][1] == 'D') {
user_defines += "#define ";
char *def = argv[i]+2;
char* eq_pos = strchr(def, '=');
if (eq_pos) {
user_defines += string(def, eq_pos - def);
user_defines += " ";
user_defines += string(def+1);
} else {
user_defines += string(def);
}
user_defines += "\n";
}
}
if (argc < 2) {
llvm::errs() << "Usage: mkapi filename [-Ddefine1 -Ddefine2...]\n";
return 1;
}
string file(argv[1]);
// CompilerInstance will hold the instance of the Clang compiler for us,
// managing the various objects needed to run the compiler.
CompilerInstance TheCompInst;
TheCompInst.createDiagnostics(0, true); //() for clang3.3, (0,0) for clang3.2
// Initialize target info with the default triple for our platform.
TargetOptions *TO = new TargetOptions(); //TODO: why on stack crash when dtor called
TO->Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *TI = TargetInfo::CreateTargetInfo(
TheCompInst.getDiagnostics(), TO);
TheCompInst.setTarget(TI);
TheCompInst.createFileManager();
FileManager &FileMgr = TheCompInst.getFileManager();
TheCompInst.createSourceManager(FileMgr);
SourceManager &SourceMgr = TheCompInst.getSourceManager();
TheCompInst.createPreprocessor();
TheCompInst.createASTContext();
if (!user_defines.empty()) {
clang::Preprocessor &PP = TheCompInst.getPreprocessor();
PP.setPredefines(PP.getPredefines() + user_defines);
}
//cout << "predefines: " << TheCompInst.getPreprocessor().getPredefines() << endl;
// A Rewriter helps us manage the code rewriting task.
Rewriter TheRewriter;
TheRewriter.setSourceMgr(SourceMgr, TheCompInst.getLangOpts());
// Set the main file handled by the source manager to the input file.
const FileEntry *FileIn = FileMgr.getFile(file);
SourceMgr.createMainFileID(FileIn);
TheCompInst.getDiagnosticClient().BeginSourceFile(
TheCompInst.getLangOpts(),
&TheCompInst.getPreprocessor());
// Create an AST consumer instance which is going to get called by
// ParseAST.
MkApiASTConsumer TheConsumer(TheRewriter);
// Parse the file to AST, registering our consumer as the AST consumer.
ParseAST(TheCompInst.getPreprocessor(), &TheConsumer,
TheCompInst.getASTContext()
, clang::TU_Complete);
// At this point the rewriter's buffer should be full with the rewritten
// file contents.
#if 0
const RewriteBuffer *RewriteBuf =
TheRewriter.getRewriteBufferFor(SourceMgr.getMainFileID());
llvm::outs() << string(RewriteBuf->begin(), RewriteBuf->end());
#endif
std::vector<func_info> fi = TheConsumer.GetFuncInfo();
stringstream stream;
for (std::vector<func_info>::const_iterator it = fi.begin(); it != fi.end(); ++it) {
std::vector<std::string> params = (*it).argv;
stream << "DEFINE_DLLAPI_ARG(" << params.size() << ", " << (*it).return_type << ", " << (*it).name;
for (int i = 0; i < params.size(); ++i) {
stream << ", " << params[i];
}
stream << ")" << endl;
}
cout << stream.str() << endl;
return 0;
}
int main(int argc, char *argv[])
{
if (argc != 2) {
llvm::errs() << "Usage: kcov-branch-identify <filename>\n";
return 1;
}
// CompilerInstance will hold the instance of the Clang compiler for us,
// managing the various objects needed to run the compiler.
CompilerInstance TheCompInst;
// Diagnostics manage problems and issues in compile
TheCompInst.createDiagnostics(NULL, false);
// Set target platform options
// Initialize target info with the default triple for our platform.
TargetOptions *TO = new TargetOptions();
TO->Triple = llvm::sys::getDefaultTargetTriple();
TargetInfo *TI = TargetInfo::CreateTargetInfo(TheCompInst.getDiagnostics(), TO);
TheCompInst.setTarget(TI);
// FileManager supports for file system lookup, file system caching, and directory search management.
TheCompInst.createFileManager();
FileManager &FileMgr = TheCompInst.getFileManager();
// SourceManager handles loading and caching of source files into memory.
TheCompInst.createSourceManager(FileMgr);
SourceManager &SourceMgr = TheCompInst.getSourceManager();
//global var m_srcmgr
//m_srcmgr = &SourceMgr;
// Prreprocessor runs within a single source file
TheCompInst.createPreprocessor();
// ASTContext holds long-lived AST nodes (such as types and decls) .
TheCompInst.createASTContext();
// Enable HeaderSearch option
llvm::IntrusiveRefCntPtr<clang::HeaderSearchOptions> hso( new HeaderSearchOptions());
HeaderSearch headerSearch(hso,
TheCompInst.getFileManager(),
TheCompInst.getDiagnostics(),
TheCompInst.getLangOpts(),
TI);
// <Warning!!> -- Platform Specific Code lives here
// This depends on A) that you're running linux and
// B) that you have the same GCC LIBs installed that I do.
/*
$ gcc -xc -E -v -
..
/usr/local/include
/usr/lib/gcc/x86_64-linux-gnu/4.4.5/include
/usr/lib/gcc/x86_64-linux-gnu/4.4.5/include-fixed
/usr/include
End of search list.
*/
const char *include_paths[] = {"/usr/local/include",
"/usr/lib/gcc/x86_64-linux-gnu/4.4.5/include",
"/usr/lib/gcc/x86_64-linux-gnu/4.4.5/include-fixed",
"/usr/include"};
for (int i=0; i<4; i++)
hso->AddPath(include_paths[i],
clang::frontend::Angled,
false,
false);
// </Warning!!> -- End of Platform Specific Code
InitializePreprocessor(TheCompInst.getPreprocessor(),
TheCompInst.getPreprocessorOpts(),
*hso,
TheCompInst.getFrontendOpts());
// A Rewriter helps us manage the code rewriting task.
Rewriter TheRewriter;
TheRewriter.setSourceMgr(SourceMgr, TheCompInst.getLangOpts());
// Set the main file handled by the source manager to the input file.
const FileEntry *FileIn = FileMgr.getFile(argv[1]);
SourceMgr.createMainFileID(FileIn);
// Inform Diagnostics that processing of a source file is beginning.
TheCompInst.getDiagnosticClient().BeginSourceFile(TheCompInst.getLangOpts(),&TheCompInst.getPreprocessor());
// Create an AST consumer instance which is going to get called by ParseAST.
MyASTConsumer TheConsumer(SourceMgr);
// Parse the file to AST, registering our consumer as the AST consumer.
ParseAST(TheCompInst.getPreprocessor(), &TheConsumer, TheCompInst.getASTContext());
TheConsumer.printBranchNum();
return 0;
}
int main(int argc, char *argv[] )
{
type_for_quoting[ "void" ] = 1;
type_for_quoting[ "bool" ] = 1;
type_for_quoting[ "char" ] = 1;
type_for_quoting[ "wchar_t" ] = 1;
type_for_quoting[ "short" ] = 1;
type_for_quoting[ "long" ] = 1;
type_for_quoting[ "size_t" ] = 1;
type_for_quoting[ "int8_t" ] = 1;
type_for_quoting[ "int16_t" ] = 1;
type_for_quoting[ "int32_t" ] = 1;
type_for_quoting[ "int64_t" ] = 1;
type_for_quoting[ "uint8_t" ] = 1;
type_for_quoting[ "uint16_t" ] = 1;
type_for_quoting[ "uint32_t" ] = 1;
type_for_quoting[ "uint64_t" ] = 1;
type_substitutions[ "_Bool" ] = "bool";
size_t i;
cl::ParseCommandLineOptions( argc, argv,
"ClangDao: Clang-based automatic binding tool for Dao." );
if (!ignored_arguments.empty()) {
errs() << "Ignoring the following arguments:";
copy(ignored_arguments.begin(), ignored_arguments.end(),
std::ostream_iterator<std::string>(std::cerr, " "));
}
CompilerInstance compiler;
CDaoModule module( & compiler, main_input_file );
compiler.createDiagnostics();
//compiler.getInvocation().setLangDefaults(IK_CXX);
//compiler.getInvocation().setLangDefaults(IK_ObjC);
CompilerInvocation::CreateFromArgs( compiler.getInvocation(),
argv + 1, argv + argc, compiler.getDiagnostics() );
std::shared_ptr<TargetOptions> taropts( new TargetOptions( compiler.getTargetOpts() ) );
compiler.setTarget( TargetInfo::CreateTargetInfo(
compiler.getDiagnostics(), taropts ) );
compiler.createFileManager();
compiler.createSourceManager(compiler.getFileManager());
compiler.createPreprocessor( TU_Complete );
compiler.createASTContext();
std::unique_ptr<ASTConsumer> astConsumer( new CDaoASTConsumer( & compiler, & module ) );
compiler.setASTConsumer( std::move(astConsumer) );
//XXX compiler.createSema(false, NULL);
//compiler.createSema(TU_Module, NULL);
compiler.createSema(TU_Prefix, NULL);
Preprocessor & pp = compiler.getPreprocessor();
//outs()<<pp.getPredefines()<<"\n";
string builtinDefines = pp.getPredefines();
#if 1
ClangDao_RemoveDefine( builtinDefines, "#define __APPLE_CC__" );
ClangDao_RemoveDefine( builtinDefines, "#define __APPLE__" );
ClangDao_RemoveDefine( builtinDefines, "#define __MACH__" );
ClangDao_RemoveDefine( builtinDefines, "#define __ENVIRONMENT_MAC_OS_X" );
ClangDao_RemoveDefine( builtinDefines, "#define OBJC_" );
#endif
//outs()<<builtinDefines<<"\n";
std::unique_ptr<PPCallbacks> ppCallbacks( new CDaoPPCallbacks( & compiler, & module ) );
pp.setPredefines( builtinDefines + "\n" + predefines + "\n#define __CLANGDAO__\n" );
pp.addPPCallbacks( std::move( ppCallbacks ) );
InputKind ik = FrontendOptions::getInputKindForExtension( main_input_file );
compiler.InitializeSourceManager( FrontendInputFile( main_input_file, ik ) );
compiler.getDiagnosticClient().BeginSourceFile( compiler.getLangOpts(), & pp );
ParseAST( pp, &compiler.getASTConsumer(), compiler.getASTContext() );
compiler.getDiagnosticClient().EndSourceFile();
return module.Generate( output_dir );
}
