lib/Testing/TestAST.cpp

54 void createMissingComponents(CompilerInstance &Clang) {
55   if (!Clang.hasDiagnostics())
56     Clang.createDiagnostics();
57   if (!Clang.hasFileManager())
58     Clang.createFileManager();
59   if (!Clang.hasSourceManager())
60     Clang.createSourceManager(Clang.getFileManager());
61   if (!Clang.hasTarget())
62     Clang.createTarget();
63   if (!Clang.hasPreprocessor())
64     Clang.createPreprocessor(TU_Complete);
65   if (!Clang.hasASTConsumer())
66     Clang.setASTConsumer(std::make_unique<ASTConsumer>());
67   if (!Clang.hasASTContext())
68     Clang.createASTContext();
69   if (!Clang.hasSema())
70     Clang.createSema(TU_Complete, /*CodeCompleteConsumer=*/nullptr);
76   Clang = std::make_unique<CompilerInstance>(
81       llvm::make_scope_exit([&] { createMissingComponents(*Clang); });
85   Clang->createDiagnostics(new StoreDiagnostics(Diagnostics, !ErrorOK));
96   Clang->setInvocation(std::make_unique<CompilerInvocation>());
97   if (!CompilerInvocation::CreateFromArgs(Clang->getInvocation(), Argv,
98                                           Clang->getDiagnostics(), "clang")) {
102   assert(!Clang->getInvocation().getFrontendOpts().DisableFree);
112   Clang->createFileManager(VFS);
116   EXPECT_TRUE(Clang->createTarget());
119   const FrontendInputFile &Main = Clang->getFrontendOpts().Inputs.front();
120   if (!Action->BeginSourceFile(*Clang, Main)) {
130   Clang->getPreprocessor().EndSourceFile();
132   Clang->getDiagnosticClient().EndSourceFile();
133   Clang->getDiagnostics().setClient(new DiagnosticConsumer(),
141     auto PP = Clang->getPreprocessorPtr(); // Keep PP alive for now.
142     Clang->setPreprocessor(nullptr);       // Detach so we don't send EOF twice.
147   Clang.reset();
154   Clang = std::move(M.Clang);