xref: /third_party/node/deps/v8/src/wasm/c-api.h (revision 1cb0ef41) 
1// Copyright 2019 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#if !V8_ENABLE_WEBASSEMBLY
6#error This header should only be included if WebAssembly is enabled.
7#endif  // !V8_ENABLE_WEBASSEMBLY
8
9#ifndef V8_WASM_C_API_H_
10#define V8_WASM_C_API_H_
11
12#include "include/v8-isolate.h"
13#include "include/v8-local-handle.h"
14#include "src/common/globals.h"
15#include "src/handles/handles.h"
16#include "third_party/wasm-api/wasm.hh"
17
18namespace v8 {
19namespace internal {
20
21class JSWeakMap;
22
23}  // namespace internal
24}  // namespace v8
25
26namespace wasm {
27
28class StoreImpl {
29 public:
30  ~StoreImpl();
31
32  v8::Isolate* isolate() const { return isolate_; }
33  i::Isolate* i_isolate() const {
34    return reinterpret_cast<i::Isolate*>(isolate_);
35  }
36
37  v8::Local<v8::Context> context() const { return context_.Get(isolate_); }
38
39  static StoreImpl* get(i::Isolate* isolate) {
40    return static_cast<StoreImpl*>(
41        reinterpret_cast<v8::Isolate*>(isolate)->GetData(0));
42  }
43
44  void SetHostInfo(i::Handle<i::Object> object, void* info,
45                   void (*finalizer)(void*));
46  void* GetHostInfo(i::Handle<i::Object> key);
47
48 private:
49  friend own<Store> Store::make(Engine*);
50
51  StoreImpl() = default;
52
53  v8::Isolate::CreateParams create_params_;
54  v8::Isolate* isolate_ = nullptr;
55  v8::Eternal<v8::Context> context_;
56  i::Handle<i::JSWeakMap> host_info_map_;
57};
58
59}  // namespace wasm
60
61#endif  // V8_WASM_C_API_H_
62