//===- ArgumentsAdjusters.h - Command line arguments adjuster ---*- 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 file declares type ArgumentsAdjuster and functions to create several
 
// useful argument adjusters.
 
// ArgumentsAdjusters modify command line arguments obtained from a compilation
 
// database before they are used to run a frontend action.
 
//
 
//===----------------------------------------------------------------------===//
 
 
 
#ifndef LLVM_CLANG_TOOLING_ARGUMENTSADJUSTERS_H
 
#define LLVM_CLANG_TOOLING_ARGUMENTSADJUSTERS_H
 
 
 
#include "clang/Basic/LLVM.h"
 
#include "llvm/ADT/StringRef.h"
 
#include <functional>
 
#include <string>
 
#include <vector>
 
 
 
namespace clang {
 
namespace tooling {
 
 
 
/// A sequence of command line arguments.
 
using CommandLineArguments = std::vector<std::string>;
 
 
 
/// A prototype of a command line adjuster.
 
///
 
/// Command line argument adjuster is responsible for command line arguments
 
/// modification before the arguments are used to run a frontend action.
 
using ArgumentsAdjuster = std::function<CommandLineArguments(
 
    const CommandLineArguments &, StringRef Filename)>;
 
 
 
/// Gets an argument adjuster that converts input command line arguments
 
/// to the "syntax check only" variant.
 
ArgumentsAdjuster getClangSyntaxOnlyAdjuster();
 
 
 
/// Gets an argument adjuster which removes output-related command line
 
/// arguments.
 
ArgumentsAdjuster getClangStripOutputAdjuster();
 
 
 
/// Gets an argument adjuster which removes dependency-file
 
/// related command line arguments.
 
ArgumentsAdjuster getClangStripDependencyFileAdjuster();
 
 
 
enum class ArgumentInsertPosition { BEGIN, END };
 
 
 
/// Gets an argument adjuster which inserts \p Extra arguments in the
 
/// specified position.
 
ArgumentsAdjuster getInsertArgumentAdjuster(const CommandLineArguments &Extra,
 
                                            ArgumentInsertPosition Pos);
 
 
 
/// Gets an argument adjuster which inserts an \p Extra argument in the
 
/// specified position.
 
ArgumentsAdjuster getInsertArgumentAdjuster(
 
    const char *Extra,
 
    ArgumentInsertPosition Pos = ArgumentInsertPosition::END);
 
 
 
/// Gets an argument adjuster which strips plugin related command line
 
/// arguments.
 
ArgumentsAdjuster getStripPluginsAdjuster();
 
 
 
/// Gets an argument adjuster which adjusts the arguments in sequence
 
/// with the \p First adjuster and then with the \p Second one.
 
ArgumentsAdjuster combineAdjusters(ArgumentsAdjuster First,
 
                                   ArgumentsAdjuster Second);
 
 
 
} // namespace tooling
 
} // namespace clang
 
 
 
#endif // LLVM_CLANG_TOOLING_ARGUMENTSADJUSTERS_H