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// 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/item_node.h"
#include <algorithm>
#include "base/callback.h"
#include "base/logging.h"
#include "tools/gn/item.h"
ItemNode::ItemNode(Item* i)
: state_(REFERENCED),
item_(i) {
}
ItemNode::~ItemNode() {
}
void ItemNode::AddDependency(ItemNode* node) {
if (direct_dependencies_.find(node) != direct_dependencies_.end())
return; // Already have this dep.
direct_dependencies_.insert(node);
if (node->state() != RESOLVED) {
// Wire up the pending resolution info.
unresolved_dependencies_.insert(node);
node->waiting_on_resolution_.insert(this);
}
}
void ItemNode::MarkDirectDependencyResolved(ItemNode* node) {
DCHECK(unresolved_dependencies_.find(node) != unresolved_dependencies_.end());
unresolved_dependencies_.erase(node);
}
void ItemNode::SwapOutWaitingDependencySet(ItemNodeSet* out_set) {
waiting_on_resolution_.swap(*out_set);
}
void ItemNode::SetGenerated() {
state_ = GENERATED;
}
void ItemNode::SetResolved() {
state_ = RESOLVED;
if (!resolved_closure_.is_null())
resolved_closure_.Run();
}
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