93 lines
2.6 KiB
C++
93 lines
2.6 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/ninja_toolchain_writer.h"
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#include <fstream>
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#include "base/file_util.h"
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#include "base/strings/stringize_macros.h"
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#include "tools/gn/build_settings.h"
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#include "tools/gn/settings.h"
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#include "tools/gn/target.h"
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#include "tools/gn/toolchain.h"
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NinjaToolchainWriter::NinjaToolchainWriter(
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const Settings* settings,
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const std::vector<const Target*>& targets,
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std::ostream& out)
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: settings_(settings),
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targets_(targets),
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out_(out),
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path_output_(settings_->build_settings()->build_dir(),
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ESCAPE_NINJA, true),
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helper_(settings->build_settings()) {
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}
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NinjaToolchainWriter::~NinjaToolchainWriter() {
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}
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void NinjaToolchainWriter::Run() {
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WriteRules();
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WriteSubninjas();
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}
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// static
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bool NinjaToolchainWriter::RunAndWriteFile(
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const Settings* settings,
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const std::vector<const Target*>& targets) {
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NinjaHelper helper(settings->build_settings());
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base::FilePath ninja_file(settings->build_settings()->GetFullPath(
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helper.GetNinjaFileForToolchain(settings).GetSourceFile(
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settings->build_settings())));
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file_util::CreateDirectory(ninja_file.DirName());
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std::ofstream file;
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file.open(FilePathToUTF8(ninja_file).c_str(),
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std::ios_base::out | std::ios_base::binary);
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if (file.fail())
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return false;
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NinjaToolchainWriter gen(settings, targets, file);
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gen.Run();
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return true;
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}
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void NinjaToolchainWriter::WriteRules() {
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const Toolchain* tc = settings_->toolchain();
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std::string indent(" ");
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for (int i = Toolchain::TYPE_NONE + 1; i < Toolchain::TYPE_NUMTYPES; i++) {
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Toolchain::ToolType tool_type = static_cast<Toolchain::ToolType>(i);
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const Toolchain::Tool& tool = tc->GetTool(tool_type);
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if (tool.empty())
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continue;
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out_ << "rule " << Toolchain::ToolTypeToName(tool_type) << std::endl;
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#define WRITE_ARG(name) \
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if (!tool.name.empty()) \
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out_ << indent << " " STRINGIZE(name) " = " << tool.name << std::endl;
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WRITE_ARG(command);
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WRITE_ARG(depfile);
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WRITE_ARG(deps);
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WRITE_ARG(description);
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WRITE_ARG(pool);
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WRITE_ARG(restat);
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WRITE_ARG(rspfile);
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WRITE_ARG(rspfile_content);
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#undef WRITE_ARG
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}
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out_ << std::endl;
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}
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void NinjaToolchainWriter::WriteSubninjas() {
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for (size_t i = 0; i < targets_.size(); i++) {
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out_ << "subninja ";
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path_output_.WriteFile(out_, helper_.GetNinjaFileForTarget(targets_[i]));
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out_ << std::endl;
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}
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out_ << std::endl;
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}
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