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| 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 "tools/gn/ninja_writer.h" |
| 6 |
| 7 #include "tools/gn/location.h" |
| 8 #include "tools/gn/ninja_build_writer.h" |
| 9 #include "tools/gn/ninja_toolchain_writer.h" |
| 10 |
| 11 |
| 12 NinjaWriter::NinjaWriter(const BuildSettings* build_settings) |
| 13 : build_settings_(build_settings) { |
| 14 } |
| 15 |
| 16 NinjaWriter::~NinjaWriter() { |
| 17 } |
| 18 |
| 19 // static |
| 20 bool NinjaWriter::RunAndWriteFiles(const BuildSettings* build_settings) { |
| 21 NinjaWriter writer(build_settings); |
| 22 return writer.WriteRootBuildfiles(); |
| 23 } |
| 24 |
| 25 bool NinjaWriter::WriteRootBuildfiles() { |
| 26 // Categorize all targets by toolchain. |
| 27 typedef std::map<Label, std::vector<const Target*> > CategorizedMap; |
| 28 CategorizedMap categorized; |
| 29 |
| 30 std::vector<const Target*> all_targets; |
| 31 build_settings_->target_manager().GetAllTargets(&all_targets); |
| 32 for (size_t i = 0; i < all_targets.size(); i++) { |
| 33 categorized[all_targets[i]->label().GetToolchainLabel()].push_back( |
| 34 all_targets[i]); |
| 35 } |
| 36 |
| 37 Label default_label = |
| 38 build_settings_->toolchain_manager().GetDefaultToolchainUnlocked(); |
| 39 |
| 40 // Write out the toolchain buildfiles, and also accumulate the set of |
| 41 // all settings and find the list of targets in the default toolchain. |
| 42 std::vector<const Settings*> all_settings; |
| 43 const std::vector<const Target*>* default_targets = NULL; |
| 44 for (CategorizedMap::const_iterator i = categorized.begin(); |
| 45 i != categorized.end(); ++i) { |
| 46 const Settings* settings; |
| 47 { |
| 48 base::AutoLock lock(build_settings_->item_tree().lock()); |
| 49 Err ignored; |
| 50 settings = |
| 51 build_settings_->toolchain_manager().GetSettingsForToolchainLocked( |
| 52 LocationRange(), i->first, &ignored); |
| 53 } |
| 54 if (i->first == default_label) |
| 55 default_targets = &i->second; |
| 56 all_settings.push_back(settings); |
| 57 if (!NinjaToolchainWriter::RunAndWriteFile(settings, i->second)) |
| 58 return false; |
| 59 } |
| 60 |
| 61 // Write the root buildfile. |
| 62 return NinjaBuildWriter::RunAndWriteFile(build_settings_, all_settings, |
| 63 *default_targets); |
| 64 } |
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