gn_main.cc revision a36e5920737c6adbddd3e43b760e5de8431db6e0
1// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "base/at_exit.h" 6#include "base/command_line.h" 7#include "base/strings/utf_string_conversions.h" 8#include "tools/gn/commands.h" 9#include "tools/gn/err.h" 10#include "tools/gn/location.h" 11 12namespace { 13 14std::vector<std::string> GetArgs(const CommandLine& cmdline) { 15 CommandLine::StringVector in_args = cmdline.GetArgs(); 16#if defined(OS_WIN) 17 std::vector<std::string> out_args; 18 for (size_t i = 0; i < in_args.size(); i++) 19 out_args.push_back(base::WideToUTF8(in_args[i])); 20 return out_args; 21#else 22 return in_args; 23#endif 24} 25 26} // namespace 27 28int main(int argc, char** argv) { 29 base::AtExitManager at_exit; 30 CommandLine::Init(argc, argv); 31 32 std::vector<std::string> args = GetArgs(*CommandLine::ForCurrentProcess()); 33 34 std::string command; 35 if (args.empty()) { 36 command = commands::kGen; 37 } else { 38 command = args[0]; 39 args.erase(args.begin()); 40 } 41 42 const commands::CommandInfoMap& command_map = commands::GetCommands(); 43 commands::CommandInfoMap::const_iterator found_command = 44 command_map.find(command); 45 46 int retval; 47 if (found_command != command_map.end()) { 48 retval = found_command->second.runner(args); 49 } else { 50 Err(Location(), 51 "Command \"" + command + "\" unknown.").PrintToStdout(); 52 commands::RunHelp(std::vector<std::string>()); 53 retval = 1; 54 } 55 56 exit(retval); // Don't free memory, it can be really slow! 57 return retval; 58} 59