Revert 214254 "Add initial prototype for the GN meta-buildsystem."

trunk/src/tools/gn/ninja_toolchain_writer.cc

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "tools/gn/ninja_toolchain_writer.h"
-
-#include <fstream>
-
-#include "base/file_util.h"
-#include "base/strings/stringize_macros.h"
-#include "tools/gn/build_settings.h"
-#include "tools/gn/settings.h"
-#include "tools/gn/target.h"
-#include "tools/gn/toolchain.h"
-
-NinjaToolchainWriter::NinjaToolchainWriter(
-    const Settings* settings,
-    const std::vector<const Target*>& targets,
-    std::ostream& out)
-    : settings_(settings),
-      targets_(targets),
-      out_(out),
-      path_output_(settings_->build_settings()->build_dir(),
-                   ESCAPE_NINJA, true),
-      helper_(settings->build_settings()) {
-}
-
-NinjaToolchainWriter::~NinjaToolchainWriter() {
-}
-
-void NinjaToolchainWriter::Run() {
-  WriteRules();
-  WriteSubninjas();
-}
-
-// static
-bool NinjaToolchainWriter::RunAndWriteFile(
-    const Settings* settings,
-    const std::vector<const Target*>& targets) {
-  NinjaHelper helper(settings->build_settings());
-  base::FilePath ninja_file(settings->build_settings()->GetFullPath(
-      helper.GetNinjaFileForToolchain(settings).GetSourceFile(
-          settings->build_settings())));
-  file_util::CreateDirectory(ninja_file.DirName());
-
-  std::ofstream file;
-  file.open(FilePathToUTF8(ninja_file).c_str(),
-            std::ios_base::out | std::ios_base::binary);
-  if (file.fail())
-    return false;
-
-  NinjaToolchainWriter gen(settings, targets, file);
-  gen.Run();
-  return true;
-}
-
-void NinjaToolchainWriter::WriteRules() {
-  const Toolchain* tc = settings_->toolchain();
-  std::string indent("  ");
-
-  for (int i = Toolchain::TYPE_NONE + 1; i < Toolchain::TYPE_NUMTYPES; i++) {
-    Toolchain::ToolType tool_type = static_cast<Toolchain::ToolType>(i);
-    const Toolchain::Tool& tool = tc->GetTool(tool_type);
-    if (tool.empty())
-      continue;
-
-    out_ << "rule " << Toolchain::ToolTypeToName(tool_type) << std::endl;
-
-    #define WRITE_ARG(name) \
-      if (!tool.name.empty()) \
-        out_ << indent << "  " STRINGIZE(name) " = " << tool.name << std::endl;
-    WRITE_ARG(command);
-    WRITE_ARG(depfile);
-    WRITE_ARG(deps);
-    WRITE_ARG(description);
-    WRITE_ARG(pool);
-    WRITE_ARG(restat);
-    WRITE_ARG(rspfile);
-    WRITE_ARG(rspfile_content);
-    #undef WRITE_ARG
-  }
-  out_ << std::endl;
-}
-
-void NinjaToolchainWriter::WriteSubninjas() {
-  for (size_t i = 0; i < targets_.size(); i++) {
-    if (targets_[i]->output_type() != Target::NONE) {
-      out_ << "subninja ";
-      path_output_.WriteFile(out_, helper_.GetNinjaFileForTarget(targets_[i]));
-      out_ << std::endl;
-    }
-  }
-  out_ << std::endl;
-}