Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +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_HEAP_SNAPSHOT_GENERATOR_INL_H_ |
| 6 | #define V8_HEAP_SNAPSHOT_GENERATOR_INL_H_ |
| 7 | |
| 8 | #include "src/heap-snapshot-generator.h" |
| 9 | |
| 10 | namespace v8 { |
| 11 | namespace internal { |
| 12 | |
| 13 | |
| 14 | HeapEntry* HeapGraphEdge::from() const { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 15 | return &snapshot()->entries()[from_index()]; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 16 | } |
| 17 | |
| 18 | |
| 19 | HeapSnapshot* HeapGraphEdge::snapshot() const { |
| 20 | return to_entry_->snapshot(); |
| 21 | } |
| 22 | |
| 23 | |
| 24 | int HeapEntry::index() const { |
| 25 | return static_cast<int>(this - &snapshot_->entries().first()); |
| 26 | } |
| 27 | |
| 28 | |
| 29 | int 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 | |
| 37 | HeapGraphEdge** 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_ |