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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/item_node.h" |
| 6 |
| 7 #include <algorithm> |
| 8 |
| 9 #include "base/callback.h" |
| 10 #include "base/logging.h" |
| 11 #include "tools/gn/item.h" |
| 12 |
| 13 ItemNode::ItemNode(Item* i) |
| 14 : state_(REFERENCED), |
| 15 item_(i) { |
| 16 } |
| 17 |
| 18 ItemNode::~ItemNode() { |
| 19 } |
| 20 |
| 21 void ItemNode::AddDependency(ItemNode* node) { |
| 22 if (direct_dependencies_.find(node) != direct_dependencies_.end()) |
| 23 return; // Already have this dep. |
| 24 direct_dependencies_.insert(node); |
| 25 |
| 26 if (node->state() != RESOLVED) { |
| 27 // Wire up the pending resolution info. |
| 28 unresolved_dependencies_.insert(node); |
| 29 node->waiting_on_resolution_.insert(this); |
| 30 } |
| 31 } |
| 32 |
| 33 void ItemNode::MarkDirectDependencyResolved(ItemNode* node) { |
| 34 DCHECK(unresolved_dependencies_.find(node) != unresolved_dependencies_.end()); |
| 35 unresolved_dependencies_.erase(node); |
| 36 } |
| 37 |
| 38 void ItemNode::SwapOutWaitingDependencySet(ItemNodeSet* out_set) { |
| 39 waiting_on_resolution_.swap(*out_set); |
| 40 } |
| 41 |
| 42 void ItemNode::SetGenerated() { |
| 43 state_ = GENERATED; |
| 44 } |
| 45 |
| 46 void ItemNode::SetResolved() { |
| 47 state_ = RESOLVED; |
| 48 |
| 49 if (!resolved_closure_.is_null()) |
| 50 resolved_closure_.Run(); |
| 51 } |
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