1 //==-- handle_cxx.cpp - Helper function for Clang fuzzers ------------------==//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Implements HandleCXX for use by the Clang fuzzers.
12 //===----------------------------------------------------------------------===//
14 #include "handle_cxx.h"
16 #include "clang/CodeGen/CodeGenAction.h"
17 #include "clang/Frontend/CompilerInstance.h"
18 #include "clang/Lex/PreprocessorOptions.h"
19 #include "clang/Tooling/Tooling.h"
20 #include "llvm/Option/Option.h"
22 using namespace clang;
24 void clang_fuzzer::HandleCXX(const std::string &S,
25 const std::vector<const char *> &ExtraArgs) {
26 llvm::opt::ArgStringList CC1Args;
27 CC1Args.push_back("-cc1");
28 for (auto &A : ExtraArgs)
30 CC1Args.push_back("./test.cc");
32 llvm::IntrusiveRefCntPtr<FileManager> Files(
33 new FileManager(FileSystemOptions()));
34 IgnoringDiagConsumer Diags;
35 IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
36 DiagnosticsEngine Diagnostics(
37 IntrusiveRefCntPtr<clang::DiagnosticIDs>(new DiagnosticIDs()), &*DiagOpts,
39 std::unique_ptr<clang::CompilerInvocation> Invocation(
40 tooling::newInvocation(&Diagnostics, CC1Args));
41 std::unique_ptr<llvm::MemoryBuffer> Input =
42 llvm::MemoryBuffer::getMemBuffer(S);
43 Invocation->getPreprocessorOpts().addRemappedFile("./test.cc",
45 std::unique_ptr<tooling::ToolAction> action(
46 tooling::newFrontendActionFactory<clang::EmitObjAction>());
47 std::shared_ptr<PCHContainerOperations> PCHContainerOps =
48 std::make_shared<PCHContainerOperations>();
49 action->runInvocation(std::move(Invocation), Files.get(), PCHContainerOps,