11cb0ef41Sopenharmony_ci// Copyright 2021 the V8 project authors. All rights reserved.
21cb0ef41Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be
31cb0ef41Sopenharmony_ci// found in the LICENSE file.
41cb0ef41Sopenharmony_ci
51cb0ef41Sopenharmony_ci#ifndef V8_EXECUTION_EMBEDDER_STATE_H_
61cb0ef41Sopenharmony_ci#define V8_EXECUTION_EMBEDDER_STATE_H_
71cb0ef41Sopenharmony_ci
81cb0ef41Sopenharmony_ci#include "include/v8-local-handle.h"
91cb0ef41Sopenharmony_ci#include "src/execution/isolate.h"
101cb0ef41Sopenharmony_ci
111cb0ef41Sopenharmony_cinamespace v8 {
121cb0ef41Sopenharmony_ci
131cb0ef41Sopenharmony_cienum class EmbedderStateTag : uint8_t;
141cb0ef41Sopenharmony_ci
151cb0ef41Sopenharmony_cinamespace internal {
161cb0ef41Sopenharmony_ciclass V8_EXPORT_PRIVATE EmbedderState {
171cb0ef41Sopenharmony_ci public:
181cb0ef41Sopenharmony_ci  EmbedderState(v8::Isolate* isolate, Local<v8::Context> context,
191cb0ef41Sopenharmony_ci                EmbedderStateTag tag);
201cb0ef41Sopenharmony_ci
211cb0ef41Sopenharmony_ci  ~EmbedderState();
221cb0ef41Sopenharmony_ci
231cb0ef41Sopenharmony_ci  EmbedderStateTag GetState() const { return tag_; }
241cb0ef41Sopenharmony_ci
251cb0ef41Sopenharmony_ci  Address native_context_address() const { return native_context_address_; }
261cb0ef41Sopenharmony_ci
271cb0ef41Sopenharmony_ci  void OnMoveEvent(Address from, Address to);
281cb0ef41Sopenharmony_ci
291cb0ef41Sopenharmony_ci private:
301cb0ef41Sopenharmony_ci  Isolate* isolate_;
311cb0ef41Sopenharmony_ci  EmbedderStateTag tag_;
321cb0ef41Sopenharmony_ci  Address native_context_address_ = kNullAddress;
331cb0ef41Sopenharmony_ci  EmbedderState* previous_embedder_state_;
341cb0ef41Sopenharmony_ci};
351cb0ef41Sopenharmony_ci}  // namespace internal
361cb0ef41Sopenharmony_ci
371cb0ef41Sopenharmony_ci}  // namespace v8
381cb0ef41Sopenharmony_ci
391cb0ef41Sopenharmony_ci#endif  // V8_EXECUTION_EMBEDDER_STATE_H_
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