98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "tools/gn/commands.h"
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#include "tools/gn/item.h"
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#include "tools/gn/item_node.h"
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#include "tools/gn/label.h"
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#include "tools/gn/setup.h"
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#include "tools/gn/standard_out.h"
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#include "tools/gn/target.h"
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namespace commands {
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CommandInfo::CommandInfo()
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: help_short(NULL),
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help(NULL),
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runner(NULL) {
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}
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CommandInfo::CommandInfo(const char* in_help_short,
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const char* in_help,
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CommandRunner in_runner)
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: help_short(in_help_short),
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help(in_help),
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runner(in_runner) {
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}
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const CommandInfoMap& GetCommands() {
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static CommandInfoMap info_map;
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if (info_map.empty()) {
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#define INSERT_COMMAND(cmd) \
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info_map[k##cmd] = CommandInfo(k##cmd##_HelpShort, \
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k##cmd##_Help, \
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&Run##cmd);
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INSERT_COMMAND(Desc)
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INSERT_COMMAND(Gen)
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INSERT_COMMAND(Help)
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#undef INSERT_COMMAND
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}
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return info_map;
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}
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const Target* GetTargetForDesc(const std::vector<std::string>& args) {
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// Deliberately leaked to avoid expensive process teardown.
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Setup* setup = new Setup;
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if (!setup->DoSetup())
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return NULL;
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// FIXME(brettw): set the output dir to be a sandbox one to avoid polluting
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// the real output dir with files written by the build scripts.
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// Do the actual load. This will also write out the target ninja files.
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if (!setup->Run())
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return NULL;
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// Need to resolve the label after we know the default toolchain.
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// TODO(brettw) find the current directory and resolve the input label
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// relative to that.
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Label default_toolchain = setup->build_settings().toolchain_manager()
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.GetDefaultToolchainUnlocked();
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Value arg_value(NULL, args[0]);
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Err err;
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Label label = Label::Resolve(SourceDir(), default_toolchain, arg_value, &err);
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if (err.has_error()) {
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err.PrintToStdout();
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return NULL;
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}
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ItemNode* node;
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{
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base::AutoLock lock(setup->build_settings().item_tree().lock());
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node = setup->build_settings().item_tree().GetExistingNodeLocked(label);
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}
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if (!node) {
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Err(Location(), "",
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"I don't know about this \"" + label.GetUserVisibleName(false) +
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"\"").PrintToStdout();
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return NULL;
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}
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const Target* target = node->item()->AsTarget();
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if (!target) {
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Err(Location(), "Not a target.",
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"The \"" + label.GetUserVisibleName(false) + "\" thing\n"
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"is not a target. Somebody should probably implement this command for "
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"other\nitem types.");
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return NULL;
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}
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return target;
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}
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} // namespace commands
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