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      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_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_
      6 #define V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_
      7 
      8 #include "src/profiler/heap-snapshot-generator.h"
      9 
     10 namespace v8 {
     11 namespace internal {
     12 
     13 
     14 HeapEntry* HeapGraphEdge::from() const {
     15   return &snapshot()->entries()[from_index()];
     16 }
     17 
     18 
     19 Isolate* HeapGraphEdge::isolate() const {
     20   return snapshot()->profiler()->isolate();
     21 }
     22 
     23 
     24 HeapSnapshot* HeapGraphEdge::snapshot() const {
     25   return to_entry_->snapshot();
     26 }
     27 
     28 
     29 int HeapEntry::index() const {
     30   return static_cast<int>(this - &snapshot_->entries().first());
     31 }
     32 
     33 
     34 int HeapEntry::set_children_index(int index) {
     35   children_index_ = index;
     36   int next_index = index + children_count_;
     37   children_count_ = 0;
     38   return next_index;
     39 }
     40 
     41 std::deque<HeapGraphEdge*>::iterator HeapEntry::children_begin() {
     42   DCHECK(children_index_ >= 0);
     43   SLOW_DCHECK(
     44       children_index_ < static_cast<int>(snapshot_->children().size()) ||
     45       (children_index_ == static_cast<int>(snapshot_->children().size()) &&
     46        children_count_ == 0));
     47   return snapshot_->children().begin() + children_index_;
     48 }
     49 
     50 std::deque<HeapGraphEdge*>::iterator HeapEntry::children_end() {
     51   return children_begin() + children_count_;
     52 }
     53 
     54 
     55 Isolate* HeapEntry::isolate() const { return snapshot_->profiler()->isolate(); }
     56 
     57 }  // namespace internal
     58 }  // namespace v8
     59 
     60 #endif  // V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_
     61