Utils.h

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//===- Utils.h - Misc utilities for the front-end ---------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
//  This header contains miscellaneous utilities for various front-end actions.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CLANG_FRONTEND_UTILS_H
#define LLVM_CLANG_FRONTEND_UTILS_H
 
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/LLVM.h"
#include "clang/Driver/OptionUtils.h"
#include "clang/Frontend/DependencyOutputOptions.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/Support/FileCollector.h"
#include "llvm/Support/VirtualFileSystem.h"
#include <cstdint>
#include <memory>
#include <string>
#include <system_error>
#include <utility>
#include <vector>
 
namespace clang {
 
class ASTReader;
class CompilerInstance;
class CompilerInvocation;
class DiagnosticsEngine;
class ExternalSemaSource;
class FrontendOptions;
class PCHContainerReader;
class Preprocessor;
class PreprocessorOptions;
class PreprocessorOutputOptions;
class CodeGenOptions;
 
/// InitializePreprocessor - Initialize the preprocessor getting it and the
/// environment ready to process a single file.
void InitializePreprocessor(Preprocessor &PP, const PreprocessorOptions &PPOpts,