heap-snapshot-generator-inl.h 1.34 KB
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
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#ifndef V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_
#define V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_
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#include "src/profiler/heap-snapshot-generator.h"
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namespace v8 {
namespace internal {


HeapEntry* HeapGraphEdge::from() const {
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  return &snapshot()->entries()[from_index()];
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}


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Isolate* HeapGraphEdge::isolate() const {
  return snapshot()->profiler()->isolate();
}


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HeapSnapshot* HeapGraphEdge::snapshot() const {
  return to_entry_->snapshot();
}


int HeapEntry::index() const {
  return static_cast<int>(this - &snapshot_->entries().first());
}


int HeapEntry::set_children_index(int index) {
  children_index_ = index;
  int next_index = index + children_count_;
  children_count_ = 0;
  return next_index;
}


HeapGraphEdge** HeapEntry::children_arr() {
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  DCHECK(children_index_ >= 0);
  SLOW_DCHECK(children_index_ < snapshot_->children().length() ||
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      (children_index_ == snapshot_->children().length() &&
       children_count_ == 0));
  return &snapshot_->children().first() + children_index_;
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}


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Isolate* HeapEntry::isolate() const { return snapshot_->profiler()->isolate(); }

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}  // namespace internal
}  // namespace v8
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#endif  // V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_