// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef TOOLS_GN_SWITCHES_H_
#define TOOLS_GN_SWITCHES_H_

#include <map>
#include <string_view>

namespace switches {

struct SwitchInfo {
  SwitchInfo();
  SwitchInfo(const char* short_help, const char* long_help);

  const char* short_help;
  const char* long_help;
};

using SwitchInfoMap = std::map<std::string_view, SwitchInfo>;

// Returns the mapping of all global switches.
const SwitchInfoMap& GetSwitches();

// This file contains global switches. If a command takes specific ones only
// to that command, just put them in that command's .cc file.

extern const char kArgs[];
extern const char kArgs_HelpShort[];
extern const char kArgs_Help[];

extern const char kColor[];
extern const char kColor_HelpShort[];
extern const char kColor_Help[];

extern const char kDotfile[];
extern const char kDotfile_HelpShort[];
extern const char kDotfile_Help[];

extern const char kErrorLimit[];
extern const char kErrorLimit_HelpShort[];
extern const char kErrorLimit_Help[];

extern const char kFailOnUnusedArgs[];
extern const char kFailOnUnusedArgs_HelpShort[];
extern const char kFailOnUnusedArgs_Help[];

extern const char kMarkdown[];
extern const char kMarkdown_HelpShort[];
extern const char kMarkdown_Help[];

extern const char kNinjaExecutable[];
extern const char kNinjaExecutable_HelpShort[];
extern const char kNinjaExecutable_Help[];

extern const char kNoColor[];
extern const char kNoColor_HelpShort[];
extern const char kNoColor_Help[];

extern const char kScriptExecutable[];
extern const char kScriptExecutable_HelpShort[];
extern const char kScriptExecutable_Help[];

extern const char kQuiet[];
extern const char kQuiet_HelpShort[];
extern const char kQuiet_Help[];

extern const char kRoot[];
extern const char kRoot_HelpShort[];
extern const char kRoot_Help[];

extern const char kRootTarget[];
extern const char kRootTarget_HelpShort[];
extern const char kRootTarget_Help[];

extern const char kRootPattern[];
extern const char kRootPattern_HelpShort[];
extern const char kRootPattern_Help[];

extern const char kRuntimeDepsListFile[];
extern const char kRuntimeDepsListFile_HelpShort[];
extern const char kRuntimeDepsListFile_Help[];

extern const char kThreads[];
extern const char kThreads_HelpShort[];
extern const char kThreads_Help[];

extern const char kTime[];
extern const char kTime_HelpShort[];
extern const char kTime_Help[];

extern const char kTracelog[];
extern const char kTracelog_HelpShort[];
extern const char kTracelog_Help[];

extern const char kVerbose[];
extern const char kVerbose_HelpShort[];
extern const char kVerbose_Help[];

extern const char kVersion[];
extern const char kVersion_HelpShort[];
extern const char kVersion_Help[];

// This switch is used by several commands. It is here so it can be shared,
// but it's documented in the individual commands it applies to rather than
// globally.
extern const char kDefaultToolchain[];
#define DEFAULT_TOOLCHAIN_SWITCH_HELP                                         \
  "  --default-toolchain\n"                                                   \
  "      Normally wildcard targets are matched in all toolchains. This\n"     \
  "      switch makes wildcard labels with no explicit toolchain reference\n" \
  "      only match targets in the default toolchain.\n"                      \
  "\n"                                                                        \
  "      Non-wildcard inputs with no explicit toolchain specification will\n" \
  "      always match only a target in the default toolchain if one exists.\n"

// This switch is used to signal to the gen command that it is being invoked on
// a regeneration step. Ie, ninja has realized that build.ninja needs to be
// generated again and has invoked gn gen. There is no help associated with it
// because users should not be setting this switch. It is located in this file
// so it can be shared between command_gen and ninja_build_writer.
extern const char kRegeneration[];

// This switch is read by Setup so needs to be in this global place, but is
// relevant only by command_gen so is documented there.
extern const char kAddExportCompileCommands[];

}  // namespace switches

#endif  // TOOLS_GN_SWITCHES_H_