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// Copyright 2020 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_HEAP_MARKING_WORKLIST_INL_H_
#define V8_HEAP_MARKING_WORKLIST_INL_H_
#include <unordered_map>
#include "src/heap/cppgc-js/cpp-marking-state-inl.h"
#include "src/heap/marking-worklist.h"
#include "src/objects/embedder-data-slot.h"
#include "src/objects/js-objects-inl.h"
namespace v8 {
namespace internal {
template <typename Callback>
void MarkingWorklists::Update(Callback callback) {
shared_.Update(callback);
on_hold_.Update(callback);
other_.Update(callback);
for (auto& cw : context_worklists_) {
cw.worklist->Update(callback);
}
}
void MarkingWorklists::Local::Push(Tagged<HeapObject> object) {
active_->Push(object);
}
bool MarkingWorklists::Local::Pop(Tagged<HeapObject>* object) {
if (active_->Pop(object)) return true;
if (!is_per_context_mode_) return false;
// The active worklist is empty. Find any other non-empty worklist and
// switch the active worklist to it.
return PopContext(object);
}
void MarkingWorklists::Local::PushOnHold(Tagged<HeapObject> object) {
on_hold_.Push(object);
}
bool MarkingWorklists::Local::PopOnHold(Tagged<HeapObject>* object) {
return on_hold_.Pop(object);
}
bool MarkingWorklists::Local::SupportsExtractWrapper() {
return cpp_marking_state_.get();
}
bool MarkingWorklists::Local::ExtractWrapper(Tagged<Map> map,
Tagged<JSObject> object,
WrapperSnapshot& snapshot) {
DCHECK_NOT_NULL(cpp_marking_state_);
return cpp_marking_state_->ExtractEmbedderDataSnapshot(map, object, snapshot);
}
void MarkingWorklists::Local::PushExtractedWrapper(
const WrapperSnapshot& snapshot) {
DCHECK_NOT_NULL(cpp_marking_state_);
cpp_marking_state_->MarkAndPush(snapshot);
}
Address MarkingWorklists::Local::SwitchToContext(Address context) {
if (context == active_context_) return context;
return SwitchToContextSlow(context);
}
void MarkingWorklists::Local::SwitchToContextImpl(
Address context, MarkingWorklist::Local* worklist) {
active_ = worklist;
active_context_ = context;
}
bool MarkingWorklists::Local::PublishWrapper() {
if (!cpp_marking_state_) return false;
cpp_marking_state_->Publish();
return true;
}
} // namespace internal
} // namespace v8
#endif // V8_HEAP_MARKING_WORKLIST_INL_H_
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