79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
// 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/ninja_writer.h"
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#include "tools/gn/location.h"
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#include "tools/gn/ninja_build_writer.h"
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#include "tools/gn/ninja_toolchain_writer.h"
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NinjaWriter::NinjaWriter(const BuildSettings* build_settings)
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: build_settings_(build_settings) {
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}
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NinjaWriter::~NinjaWriter() {
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}
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// static
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bool NinjaWriter::RunAndWriteFiles(const BuildSettings* build_settings) {
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NinjaWriter writer(build_settings);
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return writer.WriteRootBuildfiles();
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}
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bool NinjaWriter::WriteRootBuildfiles() {
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// Categorize all targets by toolchain.
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typedef std::map<Label, std::vector<const Target*> > CategorizedMap;
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CategorizedMap categorized;
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std::vector<const Target*> all_targets;
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build_settings_->target_manager().GetAllTargets(&all_targets);
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if (all_targets.empty()) {
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Err(Location(), "No targets.",
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"I could not find any targets to write, so I'm doing nothing.")
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.PrintToStdout();
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return false;
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}
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for (size_t i = 0; i < all_targets.size(); i++) {
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categorized[all_targets[i]->label().GetToolchainLabel()].push_back(
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all_targets[i]);
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}
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Label default_label =
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build_settings_->toolchain_manager().GetDefaultToolchainUnlocked();
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// Write out the toolchain buildfiles, and also accumulate the set of
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// all settings and find the list of targets in the default toolchain.
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std::vector<const Settings*> all_settings;
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const std::vector<const Target*>* default_targets = NULL;
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for (CategorizedMap::const_iterator i = categorized.begin();
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i != categorized.end(); ++i) {
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const Settings* settings;
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{
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base::AutoLock lock(build_settings_->item_tree().lock());
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Err ignored;
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settings =
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build_settings_->toolchain_manager().GetSettingsForToolchainLocked(
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LocationRange(), i->first, &ignored);
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}
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if (i->first == default_label)
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default_targets = &i->second;
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all_settings.push_back(settings);
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if (!NinjaToolchainWriter::RunAndWriteFile(settings, i->second)) {
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Err(Location(),
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"Couldn't open toolchain buildfile(s) for writing").PrintToStdout();
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return false;
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}
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}
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// Write the root buildfile.
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if (!NinjaBuildWriter::RunAndWriteFile(build_settings_, all_settings,
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*default_targets)) {
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Err(Location(),
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"Couldn't open toolchain buildfile(s) for writing").PrintToStdout();
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return false;
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}
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return true;
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}
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