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 from()14HeapEntry* HeapGraphEdge::from() const { 15 return &snapshot()->entries()[from_index()]; 16 } 17 18 isolate()19Isolate* HeapGraphEdge::isolate() const { 20 return snapshot()->profiler()->isolate(); 21 } 22 23 snapshot()24HeapSnapshot* HeapGraphEdge::snapshot() const { 25 return to_entry_->snapshot(); 26 } 27 28 index()29int HeapEntry::index() const { 30 return static_cast<int>(this - &snapshot_->entries().first()); 31 } 32 33 set_children_index(int index)34int 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 children_begin()41std::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 children_end()50std::deque<HeapGraphEdge*>::iterator HeapEntry::children_end() { 51 return children_begin() + children_count_; 52 } 53 54 isolate()55Isolate* 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