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

trunk/src/tools/gn/toolchain.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/toolchain.h"
-
-#include "base/logging.h"
-
-const char* Toolchain::kToolCc = "cc";
-const char* Toolchain::kToolCxx = "cxx";
-const char* Toolchain::kToolAsm = "asm";
-const char* Toolchain::kToolAlink = "alink";
-const char* Toolchain::kToolSolink = "solink";
-const char* Toolchain::kToolSolinkModule = "solink_module";
-const char* Toolchain::kToolLink = "link";
-const char* Toolchain::kToolStamp = "stamp";
-const char* Toolchain::kToolCopy = "copy";
-
-Toolchain::Tool::Tool() {
-}
-
-Toolchain::Tool::~Tool() {
-}
-
-Toolchain::Toolchain(const Label& label) : Item(label) {
-}
-
-Toolchain::~Toolchain() {
-}
-
-Toolchain* Toolchain::AsToolchain() {
-  return this;
-}
-
-const Toolchain* Toolchain::AsToolchain() const {
-  return this;
-}
-
-// static
-Toolchain::ToolType Toolchain::ToolNameToType(const base::StringPiece& str) {
-  if (str == kToolCc) return TYPE_CC;
-  if (str == kToolCxx) return TYPE_CXX;
-  if (str == kToolAsm) return TYPE_ASM;
-  if (str == kToolAlink) return TYPE_ALINK;
-  if (str == kToolSolink) return TYPE_SOLINK;
-  if (str == kToolSolinkModule) return TYPE_SOLINK_MODULE;
-  if (str == kToolLink) return TYPE_LINK;
-  if (str == kToolStamp) return TYPE_STAMP;
-  if (str == kToolCopy) return TYPE_COPY;
-  return TYPE_NONE;
-}
-
-// static
-std::string Toolchain::ToolTypeToName(ToolType type) {
-  switch (type) {
-    case TYPE_CC: return kToolCc;
-    case TYPE_CXX: return kToolCxx;
-    case TYPE_ASM: return kToolAsm;
-    case TYPE_ALINK: return kToolAlink;
-    case TYPE_SOLINK: return kToolSolink;
-    case TYPE_SOLINK_MODULE: return kToolSolinkModule;
-    case TYPE_LINK: return kToolLink;
-    case TYPE_STAMP: return kToolStamp;
-    case TYPE_COPY: return kToolCopy;
-    default:
-      NOTREACHED();
-      return std::string();
-  }
-}
-
-const Toolchain::Tool& Toolchain::GetTool(ToolType type) const {
-  DCHECK(type != TYPE_NONE);
-  return tools_[static_cast<size_t>(type)];
-}
-
-void Toolchain::SetTool(ToolType type, const Tool& t) {
-  DCHECK(type != TYPE_NONE);
-  tools_[static_cast<size_t>(type)] = t;
-}