tools/gn/item.cc

   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/item.h"
   6
   7 #include "base/logging.h"
   8 #include "tools/gn/settings.h"
   9
  10 Item::Item(const Settings* settings, const Label& label)
  11     : settings_(settings), label_(label), defined_from_(nullptr) {
  12 }
  13
  14 Item::~Item() {
  15 }
  16
  17 Config* Item::AsConfig() {
  18   return nullptr;
  19 }
  20 const Config* Item::AsConfig() const {
  21   return nullptr;
  22 }
  23 Target* Item::AsTarget() {
  24   return nullptr;
  25 }
  26 const Target* Item::AsTarget() const {
  27   return nullptr;
  28 }
  29 Toolchain* Item::AsToolchain() {
  30   return nullptr;
  31 }
  32 const Toolchain* Item::AsToolchain() const {
  33   return nullptr;
  34 }
  35
  36 std::string Item::GetItemTypeName() const {
  37   if (AsConfig())
  38     return "config";
  39   if (AsTarget())
  40     return "target";
  41   if (AsToolchain())
  42     return "toolchain";
  43   NOTREACHED();
  44   return "this thing that I have no idea what it is";
  45 }
  46
  47 bool Item::OnResolved(Err* err) {
  48   return true;
  49 }