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//==-- handle_cxx.cpp - Helper function for Clang fuzzers ------------------==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Implements HandleCXX for use by the Clang fuzzers.
//
//===----------------------------------------------------------------------===//
#include "handle_cxx.h"
#include "clang/CodeGen/CodeGenAction.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Lex/PreprocessorOptions.h"
#include "clang/Tooling/Tooling.h"
#include "llvm/Option/Option.h"
using namespace clang;
void clang_fuzzer::HandleCXX(const std::string &S,
const std::vector<const char *> &ExtraArgs) {
llvm::opt::ArgStringList CC1Args;
CC1Args.push_back("-cc1");
for (auto &A : ExtraArgs)
CC1Args.push_back(A);
CC1Args.push_back("./test.cc");
llvm::IntrusiveRefCntPtr<FileManager> Files(
new FileManager(FileSystemOptions()));
IgnoringDiagConsumer Diags;
IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
DiagnosticsEngine Diagnostics(
IntrusiveRefCntPtr<clang::DiagnosticIDs>(new DiagnosticIDs()), &*DiagOpts,
&Diags, false);
std::unique_ptr<clang::CompilerInvocation> Invocation(
tooling::newInvocation(&Diagnostics, CC1Args));
std::unique_ptr<llvm::MemoryBuffer> Input =
llvm::MemoryBuffer::getMemBuffer(S);
Invocation->getPreprocessorOpts().addRemappedFile("./test.cc",
Input.release());
std::unique_ptr<tooling::ToolAction> action(
tooling::newFrontendActionFactory<clang::EmitObjAction>());
std::shared_ptr<PCHContainerOperations> PCHContainerOps =
std::make_shared<PCHContainerOperations>();
action->runInvocation(std::move(Invocation), Files.get(), PCHContainerOps,
&Diags);
}
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