// Copyright 2013 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_ #define V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_ #include "src/profiler/heap-snapshot-generator.h" #include "src/profiler/heap-profiler.h" #include "src/strings/string-hasher-inl.h" namespace v8 { namespace internal { HeapEntry* HeapGraphEdge::from() const { return &snapshot()->entries()[from_index()]; } Isolate* HeapGraphEdge::isolate() const { return to_entry_->isolate(); } HeapSnapshot* HeapGraphEdge::snapshot() const { return to_entry_->snapshot(); } int HeapEntry::set_children_index(int index) { // Note: children_count_ and children_end_index_ are parts of a union. int next_index = index + children_count_; children_end_index_ = index; return next_index; } void HeapEntry::add_child(HeapGraphEdge* edge) { snapshot_->children()[children_end_index_++] = edge; } HeapGraphEdge* HeapEntry::child(int i) { return children_begin()[i]; } std::vector<HeapGraphEdge*>::iterator HeapEntry::children_begin() const { return index_ == 0 ? snapshot_->children().begin() : snapshot_->entries()[index_ - 1].children_end(); } std::vector<HeapGraphEdge*>::iterator HeapEntry::children_end() const { DCHECK_GE(children_end_index_, 0); return snapshot_->children().begin() + children_end_index_; } int HeapEntry::children_count() const { return static_cast<int>(children_end() - children_begin()); } Isolate* HeapEntry::isolate() const { return snapshot_->profiler()->isolate(); } uint32_t HeapSnapshotJSONSerializer::StringHash(const void* string) { const char* s = reinterpret_cast<const char*>(string); int len = static_cast<int>(strlen(s)); return StringHasher::HashSequentialString(s, len, v8::internal::kZeroHashSeed); } int HeapSnapshotJSONSerializer::to_node_index(const HeapEntry* e) { return to_node_index(e->index()); } int HeapSnapshotJSONSerializer::to_node_index(int entry_index) { return entry_index * kNodeFieldsCount; } } // namespace internal } // namespace v8 #endif // V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_