1// Copyright 2013 the V8 project 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#ifndef V8_HEAP_SNAPSHOT_GENERATOR_INL_H_ 6#define V8_HEAP_SNAPSHOT_GENERATOR_INL_H_ 7 8#include "src/heap-snapshot-generator.h" 9 10namespace v8 { 11namespace internal { 12 13 14HeapEntry* HeapGraphEdge::from() const { 15 return &snapshot()->entries()[from_index_]; 16} 17 18 19HeapSnapshot* HeapGraphEdge::snapshot() const { 20 return to_entry_->snapshot(); 21} 22 23 24int HeapEntry::index() const { 25 return static_cast<int>(this - &snapshot_->entries().first()); 26} 27 28 29int HeapEntry::set_children_index(int index) { 30 children_index_ = index; 31 int next_index = index + children_count_; 32 children_count_ = 0; 33 return next_index; 34} 35 36 37HeapGraphEdge** HeapEntry::children_arr() { 38 DCHECK(children_index_ >= 0); 39 SLOW_DCHECK(children_index_ < snapshot_->children().length() || 40 (children_index_ == snapshot_->children().length() && 41 children_count_ == 0)); 42 return &snapshot_->children().first() + children_index_; 43} 44 45 46} } // namespace v8::internal 47 48#endif // V8_HEAP_SNAPSHOT_GENERATOR_INL_H_ 49