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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_toolchain_writer.h" |
| 6 |
| 7 #include <fstream> |
| 8 |
| 9 #include "base/file_util.h" |
| 10 #include "base/strings/stringize_macros.h" |
| 11 #include "tools/gn/build_settings.h" |
| 12 #include "tools/gn/settings.h" |
| 13 #include "tools/gn/target.h" |
| 14 #include "tools/gn/toolchain.h" |
| 15 |
| 16 NinjaToolchainWriter::NinjaToolchainWriter( |
| 17 const Settings* settings, |
| 18 const std::vector<const Target*>& targets, |
| 19 std::ostream& out) |
| 20 : settings_(settings), |
| 21 targets_(targets), |
| 22 out_(out), |
| 23 path_output_(settings_->build_settings()->build_dir(), |
| 24 ESCAPE_NINJA, true), |
| 25 helper_(settings->build_settings()) { |
| 26 } |
| 27 |
| 28 NinjaToolchainWriter::~NinjaToolchainWriter() { |
| 29 } |
| 30 |
| 31 void NinjaToolchainWriter::Run() { |
| 32 WriteRules(); |
| 33 WriteSubninjas(); |
| 34 } |
| 35 |
| 36 // static |
| 37 bool NinjaToolchainWriter::RunAndWriteFile( |
| 38 const Settings* settings, |
| 39 const std::vector<const Target*>& targets) { |
| 40 NinjaHelper helper(settings->build_settings()); |
| 41 base::FilePath ninja_file(settings->build_settings()->GetFullPath( |
| 42 helper.GetNinjaFileForToolchain(settings).GetSourceFile( |
| 43 settings->build_settings()))); |
| 44 file_util::CreateDirectory(ninja_file.DirName()); |
| 45 |
| 46 std::ofstream file; |
| 47 file.open(FilePathToUTF8(ninja_file).c_str(), |
| 48 std::ios_base::out | std::ios_base::binary); |
| 49 if (file.fail()) |
| 50 return false; |
| 51 |
| 52 NinjaToolchainWriter gen(settings, targets, file); |
| 53 gen.Run(); |
| 54 return true; |
| 55 } |
| 56 |
| 57 void NinjaToolchainWriter::WriteRules() { |
| 58 const Toolchain* tc = settings_->toolchain(); |
| 59 std::string indent(" "); |
| 60 |
| 61 for (int i = Toolchain::TYPE_NONE + 1; i < Toolchain::TYPE_NUMTYPES; i++) { |
| 62 Toolchain::ToolType tool_type = static_cast<Toolchain::ToolType>(i); |
| 63 const Toolchain::Tool& tool = tc->GetTool(tool_type); |
| 64 if (tool.empty()) |
| 65 continue; |
| 66 |
| 67 out_ << "rule " << Toolchain::ToolTypeToName(tool_type) << std::endl; |
| 68 |
| 69 #define WRITE_ARG(name) \ |
| 70 if (!tool.name.empty()) \ |
| 71 out_ << indent << " " STRINGIZE(name) " = " << tool.name << std::endl; |
| 72 WRITE_ARG(command); |
| 73 WRITE_ARG(depfile); |
| 74 WRITE_ARG(deps); |
| 75 WRITE_ARG(description); |
| 76 WRITE_ARG(pool); |
| 77 WRITE_ARG(restat); |
| 78 WRITE_ARG(rspfile); |
| 79 WRITE_ARG(rspfile_content); |
| 80 #undef WRITE_ARG |
| 81 } |
| 82 out_ << std::endl; |
| 83 } |
| 84 |
| 85 void NinjaToolchainWriter::WriteSubninjas() { |
| 86 for (size_t i = 0; i < targets_.size(); i++) { |
| 87 if (targets_[i]->output_type() != Target::NONE) { |
| 88 out_ << "subninja "; |
| 89 path_output_.WriteFile(out_, helper_.GetNinjaFileForTarget(targets_[i])); |
| 90 out_ << std::endl; |
| 91 } |
| 92 } |
| 93 out_ << std::endl; |
| 94 } |
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