ExpandModularHeadersPPCallbacks::ExpandModularHeadersPPCallbacks(
CompilerInstance *CI,
IntrusiveRefCntPtr<llvm::vfs::OverlayFileSystem> OverlayFS)
: Recorder(llvm::make_unique<FileRecorder>()), Compiler(*CI),
InMemoryFs(new llvm::vfs::InMemoryFileSystem),
Sources(Compiler.getSourceManager()),
// Forward the new diagnostics to the original DiagnosticConsumer.
Diags(new DiagnosticIDs, new DiagnosticOptions,
new ForwardingDiagnosticConsumer(Compiler.getDiagnosticClient())),
LangOpts(Compiler.getLangOpts()) {
// Add a FileSystem containing the extra files needed in place of modular
// headers.
OverlayFS->pushOverlay(InMemoryFs);
Diags.setSourceManager(&Sources);
LangOpts.Modules = false;
auto HSO = std::make_shared<HeaderSearchOptions>();
*HSO = Compiler.getHeaderSearchOpts();
HeaderInfo = llvm::make_unique<HeaderSearch>(HSO, Sources, Diags, LangOpts,
&Compiler.getTarget());
auto PO = std::make_shared<PreprocessorOptions>();
*PO = Compiler.getPreprocessorOpts();
PP = llvm::make_unique<clang::Preprocessor>(PO, Diags, LangOpts, Sources,
*HeaderInfo, ModuleLoader,
/*IILookup=*/nullptr,
/*OwnsHeaderSearch=*/false);
PP->Initialize(Compiler.getTarget(), Compiler.getAuxTarget());
InitializePreprocessor(*PP, *PO, Compiler.getPCHContainerReader(),
Compiler.getFrontendOpts());
ApplyHeaderSearchOptions(*HeaderInfo, *HSO, LangOpts,
Compiler.getTarget().getTriple());
}
int main(int argc, const char **argv, char * const *envp)
{
// Path
void *MainAddr = (void*) (intptr_t) GetExecutablePath;
llvm::sys::Path Path = GetExecutablePath(argv[0]);
// DiagnosticOptions
DiagnosticOptions diagnosticOptions;
// DiagnosticClient
TextDiagnosticPrinter *DiagClient = new TextDiagnosticPrinter(llvm::outs(), diagnosticOptions);
// Diagnostic
llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
Diagnostic diagnostic(DiagID, DiagClient);
//DiagnosticOptions DiagOpts;
//llvm::IntrusiveRefCntPtr<Diagnostic> diagnostic = CompilerInstance::createDiagnostics(DiagOpts, argc, argv);
// LangOptions
LangOptions langOptions;
langOptions.CPlusPlus = 1;
langOptions.CPlusPlus0x = 1;
langOptions.Microsoft = 1;
langOptions.Bool = 1;
langOptions.Exceptions = 1;
langOptions.CXXExceptions = 1;
langOptions.EmitAllDecls = 1;
// FileManager
FileSystemOptions fileSystemOptions;
FileManager fileManager(fileSystemOptions);
// SourceManager
SourceManager sourceManager(diagnostic, fileManager);
// HeadderSearch
HeaderSearch headerSearch(fileManager);
// TargetOptions
TargetOptions targetOptions;
targetOptions.Triple = llvm::sys::getHostTriple();
// TargetInfo
TargetInfo *pTargetInfo =
TargetInfo::CreateTargetInfo(
diagnostic,
targetOptions);
// HeaderSearchOptions
HeaderSearchOptions headerSearchOptions;
ApplyHeaderSearchOptions(
headerSearch,
headerSearchOptions,
langOptions,
pTargetInfo->getTriple());
// Preprocessor
Preprocessor preprocessor(
diagnostic,
langOptions,
*pTargetInfo,
sourceManager,
headerSearch);
// PreprocessorOptions
PreprocessorOptions preprocessorOptions;
preprocessorOptions.DetailedRecord = true;
preprocessor.createPreprocessingRecord();
// FrontendOptions
FrontendOptions frontendOptions;
// InitializePreprocessor
InitializePreprocessor(
preprocessor,
preprocessorOptions,
headerSearchOptions,
frontendOptions);
//preprocessor.SetCommentRetentionState(true, true);
// Tutorial
const FileEntry *pFile = fileManager.getFile(
"test.cpp",
true);
sourceManager.createMainFileID(pFile);
/*preprocessor.EnterMainSourceFile();
Token Tok;
do {
preprocessor.Lex(Tok); // read one token
//if (context.diags.hasErrorOccurred()) // stop lexing/pp on error
// break;
preprocessor.DumpToken(Tok); // outputs to cerr
std::cerr << std::endl;
} while (Tok.isNot(tok::eof));*/
const TargetInfo &targetInfo = *pTargetInfo;
IdentifierTable identifierTable(langOptions);
SelectorTable selectorTable;
Builtin::Context builtinContext(targetInfo);
ASTContext astContext(
langOptions,
sourceManager,
targetInfo,
identifierTable,
selectorTable,
builtinContext,
0 /* size_reserve*/);
// ASTConsumer astConsumer;
MyASTConsumer astConsumer;
astConsumer.sourceManager = &sourceManager;
astConsumer.html = new ClangDocHTML;
astConsumer.html->astConsumer = &astConsumer;
preprocessor.addPPCallbacks(astConsumer.html);
preprocessor.AddCommentHandler(astConsumer.html);
Sema sema(
preprocessor,
astContext,
astConsumer);
sema.Initialize();
//MySemanticAnalisys mySema( preprocessor, astContext, astConsumer);
//Parser parser( preprocessor, sema);
//parser.ParseTranslationUnit();
astConsumer.preprocessor = &sema.PP;
ParseAST(preprocessor, &astConsumer, astContext);
return 0;
}
