bool Parse( Furrovine::String filename ) {
class ASTDeclConsumer : public clang::ASTConsumer {
public:
ASTDeclConsumer( std::vector<clang::Decl*>& arg )
: vec( arg ) {}
std::vector<clang::Decl*>& vec;
bool HandleTopLevelDecl( clang::DeclGroupRef arg ) {
for ( auto && x : arg ) {
vec.push_back( x );
}
return true;
}
};
ASTDeclConsumer astconsumer( declarations );
llvm::StringRef llvmfilename( reinterpret_cast<char*>( filename.data( ) ) );
clang::CompilerInstance ci;
clang::DiagnosticsEngine diagnosticsengine( diagnosticids, llvmdiagnosticsoptions.getPtr(), new clang::TextDiagnosticPrinter( errorstream, llvmdiagnosticsoptions.getPtr(), false ), true );
clang::FileManager filemanager( filesystemoptions );
clang::SourceManager sourcemanager( diagnosticsengine, filemanager );
std::unique_ptr<clang::TargetInfo> targetinfo( clang::TargetInfo::CreateTargetInfo( diagnosticsengine, &targetoptions ) );
targetinfo->setCXXABI( clang::TargetCXXABI::Microsoft );
clang::HeaderSearchOptions& headersearchoptions = *llvmheadersearchoptions;
clang::HeaderSearch hs( llvmheadersearchoptions, filemanager, diagnosticsengine, languageoptions, targetinfo.get( ) );
clang::PreprocessorOptions& preprocessoroptions = *llvmpreprocessoroptions;
clang::Preprocessor preprocessor( llvmpreprocessoroptions, diagnosticsengine, languageoptions, targetinfo.get( ), sourcemanager, hs, ci );
clang::InitializePreprocessor( preprocessor, preprocessoroptions, headersearchoptions, frontendoptions );
preprocessor.getBuiltinInfo( ).InitializeBuiltins( preprocessor.getIdentifierTable( ), languageoptions );
clang::ASTContext astcontext( languageoptions, sourcemanager, targetinfo.get( ), preprocessor.getIdentifierTable( ), preprocessor.getSelectorTable( ), preprocessor.getBuiltinInfo( ), 1024 );
clang::Sema sema( preprocessor, astcontext, astconsumer, clang::TU_Complete, null );
const clang::DirectoryLookup* directlookup = nullptr;
auto entry = hs.LookupFile( llvmfilename, true, nullptr, directlookup, nullptr, nullptr, nullptr, nullptr );
if ( !entry )
entry = filemanager.getFile( llvmfilename );
if ( !entry )
throw Furrovine::TException<std::exception>( "Could not find file " + filename );
auto fileid = sourcemanager.createFileID( entry, clang::SourceLocation( ), clang::SrcMgr::CharacteristicKind::C_User );
if ( fileid.isInvalid( ) )
throw Furrovine::TException<std::exception>( "Error translating file " + filename );
sourcemanager.setMainFileID( fileid );
diagnosticsengine.getClient( )->BeginSourceFile( languageoptions, &preprocessor );
clang::ParseAST( sema );
diagnosticsengine.getClient( )->EndSourceFile( );
return diagnosticsengine.getClient( )->getNumErrors() == 0;
}
/// \brief Configure the diagnostics object for use with ASTUnit.
void ASTUnit::ConfigureDiags(llvm::IntrusiveRefCntPtr<DiagnosticsEngine> &Diags,
const char **ArgBegin, const char **ArgEnd,
ASTUnit &AST, bool CaptureDiagnostics) {
if (!Diags.getPtr()) {
// No diagnostics engine was provided, so create our own diagnostics object
// with the default options.
DiagnosticOptions DiagOpts;
DiagnosticConsumer *Client = 0;
if (CaptureDiagnostics)
Client = new StoredDiagnosticConsumer(AST.StoredDiagnostics);
Diags = CompilerInstance::createDiagnostics(DiagOpts, ArgEnd- ArgBegin,
ArgBegin, Client);
} else if (CaptureDiagnostics) {
Diags->setClient(new StoredDiagnosticConsumer(AST.StoredDiagnostics));
}
}