Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 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 | |
| 42 | HeapGraphEdge** HeapEntry::children_arr() { |
| 43 | DCHECK(children_index_ >= 0); |
| 44 | SLOW_DCHECK(children_index_ < snapshot_->children().length() || |
| 45 | (children_index_ == snapshot_->children().length() && |
| 46 | children_count_ == 0)); |
| 47 | return &snapshot_->children().first() + children_index_; |
| 48 | } |
| 49 | |
| 50 | |
| 51 | Isolate* HeapEntry::isolate() const { return snapshot_->profiler()->isolate(); } |
| 52 | |
| 53 | } // namespace internal |
| 54 | } // namespace v8 |
| 55 | |
| 56 | #endif // V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_ |