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 18 namespace v8 { 19 namespace internal { 20 21 class JSWeakMap; 22 23 } // namespace internal 24 } // namespace v8 25 26 namespace wasm { 27 28 class StoreImpl { 29 public: 30 ~StoreImpl(); 31 isolate()32 v8::Isolate* isolate() const { return isolate_; } i_isolate()33 i::Isolate* i_isolate() const { 34 return reinterpret_cast<i::Isolate*>(isolate_); 35 } 36 context()37 v8::Local<v8::Context> context() const { return context_.Get(isolate_); } 38 get(i::Isolate * isolate)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