tool.cpp

#include "clang/Tooling/CommonOptionsParser.h"
#include "clang/Tooling/Tooling.h"

// Declares llvm::cl:extrahelp.
#include "llvm/Support/Signals.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/CommandLine.h"

#include "clang/Frontend/ASTUnit.h"

#include "clang/Basic/FileManager.h"
#include "clang/Basic/FileSystemOptions.h"
#include "clang/Basic/DiagnosticOptions.h"

#include "clang/CodeGen/CGFunctionInfo.h"
#include "clang/CodeGen/CodeGenAction.h"

#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringRef.h"

#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/ExecutionEngine/GenericValue.h"
#include "llvm/IR/Argument.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Target/TargetMachine.h"

#include "llvm/Support/MemoryBuffer.h"

#include "llvm/Support/Error.h"
#include "llvm/Support/FileSystem.h"

// System #includes
#include <cassert>
#include <memory>
#include <string>

namespace
{

// CommonOptionsParser declares HelpMessage with a description of the common
// command-line options related to the compilation database and input files.
// It's nice to have this help message in all tools.
static llvm::cl::extrahelp
	commonHelp(clang::tooling::CommonOptionsParser::HelpMessage);
  
static llvm::cl::OptionCategory coolCategory("cool Options");


} // namespace

#define DEBUG_TYPE "CoolTool"

int main(int argc_, const char **argv_)
{
  ::llvm::llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.

  ::clang::tooling::CommonOptionsParser optionsParser(argc_, argv_, coolCategory);

  ::clang::tooling::ClangTool tool(optionsParser.getCompilations(),
                                   optionsParser.getSourcePathList());

  std::unique_ptr<clang::tooling::FrontendActionFactory> llvm_only_action_factory =
    clang::tooling::newFrontendActionFactory<clang::EmitLLVMOnlyAction>();
  auto llvm_only_action_result = tool.run(llvm_only_action_factory.get());

  return llvm_only_action_result;
}