int main()
{
clang::DiagnosticOptions diagnosticOptions;
clang::TextDiagnosticPrinter *pTextDiagnosticPrinter =
new clang::TextDiagnosticPrinter(
llvm::outs(),
&diagnosticOptions);
llvm::IntrusiveRefCntPtr<clang::DiagnosticIDs> pDiagIDs;
clang::DiagnosticsEngine *pDiagnosticsEngine =
new clang::DiagnosticsEngine(pDiagIDs,
&diagnosticOptions,
pTextDiagnosticPrinter);
clang::LangOptions languageOptions;
clang::FileSystemOptions fileSystemOptions;
clang::FileManager fileManager(fileSystemOptions);
clang::SourceManager sourceManager(
*pDiagnosticsEngine,
fileManager);
clang::TargetOptions targetOptions;
targetOptions.Triple = llvm::sys::getDefaultTargetTriple();
clang::TargetInfo *pTargetInfo =
clang::TargetInfo::CreateTargetInfo(
*pDiagnosticsEngine,
&targetOptions);
llvm::IntrusiveRefCntPtr<clang::HeaderSearchOptions> hso(new clang::HeaderSearchOptions());
clang::HeaderSearch headerSearch(hso,
fileManager,
*pDiagnosticsEngine,
languageOptions,
pTargetInfo);
clang::CompilerInstance compInst;
llvm::IntrusiveRefCntPtr<clang::PreprocessorOptions> pOpts;
clang::Preprocessor preprocessor(
pOpts,
*pDiagnosticsEngine,
languageOptions,
pTargetInfo,
sourceManager,
headerSearch,
compInst);
clang::PreprocessorOptions preprocessorOptions;
clang::FrontendOptions frontendOptions;
clang::InitializePreprocessor(
preprocessor,
preprocessorOptions,
*hso,
frontendOptions);
// Note: Changed the file from tutorial2.
const clang::FileEntry *pFile = fileManager.getFile("../Resources/testInclude.c");
sourceManager.createMainFileID(pFile);
preprocessor.EnterMainSourceFile();
pTextDiagnosticPrinter->BeginSourceFile(languageOptions, &preprocessor);
clang::Token token;
do {
preprocessor.Lex(token);
if( pDiagnosticsEngine->hasErrorOccurred())
{
break;
}
preprocessor.DumpToken(token);
std::cerr << std::endl;
} while( token.isNot(clang::tok::eof));
pTextDiagnosticPrinter->EndSourceFile();
return 0;
}
int main()
{
clang::DiagnosticOptions diagnosticOptions;
clang::TextDiagnosticPrinter *pTextDiagnosticPrinter =
new clang::TextDiagnosticPrinter(
llvm::outs(),
&diagnosticOptions);
llvm::IntrusiveRefCntPtr<clang::DiagnosticIDs> pDiagIDs;
clang::DiagnosticsEngine *pDiagnosticsEngine =
new clang::DiagnosticsEngine(pDiagIDs,
&diagnosticOptions,
pTextDiagnosticPrinter);
clang::LangOptions languageOptions;
clang::FileSystemOptions fileSystemOptions;
clang::FileManager fileManager(fileSystemOptions);
clang::SourceManager sourceManager(
*pDiagnosticsEngine,
fileManager);
const std::shared_ptr<clang::TargetOptions> targetOptions = std::make_shared<clang::TargetOptions>();
targetOptions->Triple = llvm::sys::getDefaultTargetTriple();
clang::TargetInfo *pTargetInfo =
clang::TargetInfo::CreateTargetInfo(
*pDiagnosticsEngine,
targetOptions);
llvm::IntrusiveRefCntPtr<clang::HeaderSearchOptions> hso(new clang::HeaderSearchOptions());
clang::HeaderSearch headerSearch(hso,
sourceManager,
*pDiagnosticsEngine,
languageOptions,
pTargetInfo);
clang::CompilerInstance compInst;
llvm::IntrusiveRefCntPtr<clang::PreprocessorOptions> pOpts(new clang::PreprocessorOptions);
clang::Preprocessor preprocessor(
pOpts,
*pDiagnosticsEngine,
languageOptions,
sourceManager,
headerSearch,
compInst);
preprocessor.Initialize(*pTargetInfo);
// disable predefined Macros so that you only see the tokens from your
// source file. Note, this has some nasty side-effects like also undefning
// your archictecture and things like that.
//preprocessorOptions.UsePredefines = false;
clang::FrontendOptions frontendOptions;
clang::InitializePreprocessor(
preprocessor,
*pOpts,
frontendOptions);
clang::ApplyHeaderSearchOptions( preprocessor.getHeaderSearchInfo(),
compInst.getHeaderSearchOpts(),
preprocessor.getLangOpts(),
preprocessor.getTargetInfo().getTriple());
// Note: Changed the file from tutorial2.
const clang::FileEntry *pFile = fileManager.getFile("testInclude.c");
sourceManager.setMainFileID( sourceManager.createFileID( pFile, clang::SourceLocation(), clang::SrcMgr::C_User));
preprocessor.EnterMainSourceFile();
pTextDiagnosticPrinter->BeginSourceFile(languageOptions, &preprocessor);
clang::Token token;
do {
preprocessor.Lex(token);
if( pDiagnosticsEngine->hasErrorOccurred())
{
break;
}
preprocessor.DumpToken(token);
std::cerr << std::endl;
} while( token.isNot(clang::tok::eof));
pTextDiagnosticPrinter->EndSourceFile();
return 0;
}
