| // Copyright (c) 2013 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. |
| |
| #include "tools/gn/commands.h" |
| #include "tools/gn/filesystem_utils.h" |
| #include "tools/gn/item.h" |
| #include "tools/gn/label.h" |
| #include "tools/gn/setup.h" |
| #include "tools/gn/standard_out.h" |
| #include "tools/gn/target.h" |
| |
| namespace commands { |
| |
| CommandInfo::CommandInfo() |
| : help_short(NULL), |
| help(NULL), |
| runner(NULL) { |
| } |
| |
| CommandInfo::CommandInfo(const char* in_help_short, |
| const char* in_help, |
| CommandRunner in_runner) |
| : help_short(in_help_short), |
| help(in_help), |
| runner(in_runner) { |
| } |
| |
| const CommandInfoMap& GetCommands() { |
| static CommandInfoMap info_map; |
| if (info_map.empty()) { |
| #define INSERT_COMMAND(cmd) \ |
| info_map[k##cmd] = CommandInfo(k##cmd##_HelpShort, \ |
| k##cmd##_Help, \ |
| &Run##cmd); |
| |
| INSERT_COMMAND(Args) |
| INSERT_COMMAND(Check) |
| INSERT_COMMAND(Desc) |
| INSERT_COMMAND(Gen) |
| INSERT_COMMAND(Help) |
| INSERT_COMMAND(Refs) |
| |
| #undef INSERT_COMMAND |
| } |
| return info_map; |
| } |
| |
| const Target* GetTargetForDesc(const std::vector<std::string>& args) { |
| // Deliberately leaked to avoid expensive process teardown. |
| Setup* setup = new Setup; |
| // TODO(brettw) bug 343726: Use a temporary directory instead of this |
| // default one to avoid messing up any build that's in there. |
| if (!setup->DoSetup("//out/Default/")) |
| return NULL; |
| |
| // Do the actual load. This will also write out the target ninja files. |
| if (!setup->Run()) |
| return NULL; |
| |
| // Need to resolve the label after we know the default toolchain. |
| Label default_toolchain = setup->loader()->default_toolchain_label(); |
| Value arg_value(NULL, args[0]); |
| Err err; |
| Label label = Label::Resolve(SourceDirForCurrentDirectory( |
| setup->build_settings().root_path()), |
| default_toolchain, arg_value, &err); |
| if (err.has_error()) { |
| err.PrintToStdout(); |
| return NULL; |
| } |
| |
| const Item* item = setup->builder()->GetItem(label); |
| if (!item) { |
| Err(Location(), "Label not found.", |
| label.GetUserVisibleName(false) + " not found.").PrintToStdout(); |
| return NULL; |
| } |
| |
| const Target* target = item->AsTarget(); |
| if (!target) { |
| Err(Location(), "Not a target.", |
| "The \"" + label.GetUserVisibleName(false) + "\" thing\n" |
| "is not a target. Somebody should probably implement this command for " |
| "other\nitem types."); |
| return NULL; |
| } |
| |
| return target; |
| } |
| |
| } // namespace commands |