//===--- clang.cpp - C-Language Front-end ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This utility may be invoked in the following manner:
// clang --help - Output help info.
// clang [options] - Read from stdin.
// clang [options] file - Read from "file".
// clang [options] file1 file2 - Read these files.
//
//===----------------------------------------------------------------------===//
//
// TODO: Options to support:
//
// -ffatal-errors
// -ftabstop=width
//
//===----------------------------------------------------------------------===//
#include "clang.h"
#include "ASTConsumers.h"
#include "clang/Driver/HTMLDiagnostics.h"
#include "clang/Driver/InitHeaderSearch.h"
#include "clang/Driver/TextDiagnosticBuffer.h"
#include "clang/Driver/TextDiagnosticPrinter.h"
#include "clang/Analysis/PathDiagnostic.h"
#include "clang/AST/Decl.h"
#include "clang/AST/TranslationUnit.h"
#include "clang/CodeGen/ModuleBuilder.h"
#include "clang/Sema/ParseAST.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/Parse/Parser.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/TargetInfo.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Config/config.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/System/Host.h"
#include "llvm/System/Path.h"
#include "llvm/System/Signals.h"
using namespace clang;
//===----------------------------------------------------------------------===//
// Global options.
//===----------------------------------------------------------------------===//
static bool HadErrors = false;
static llvm::cl::opt<bool>
Verbose("v", llvm::cl::desc("Enable verbose output"));
static llvm::cl::opt<bool>
Stats("print-stats",
llvm::cl::desc("Print performance metrics and statistics"));
static llvm::cl::opt<bool>
DisableFree("disable-free",
llvm::cl::desc("Disable freeing of memory on exit"),
llvm::cl::init(false));
enum ProgActions {
RewriteObjC, // ObjC->C Rewriter.
RewriteBlocks, // ObjC->C Rewriter for Blocks.
RewriteMacros, // Expand macros but not #includes.
RewriteTest, // Rewriter playground
HTMLTest, // HTML displayer testing stuff.