| // Copyright 2015 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. |
| |
| /** |
| * This header contains a set of experimental V8 APIs. We hope these will |
| * become a part of standard V8, but they may also be removed if we deem the |
| * experiment to not be successul. |
| */ |
| #ifndef V8_INCLUDE_V8_EXPERIMENTAL_H_ |
| #define V8_INCLUDE_V8_EXPERIMENTAL_H_ |
| |
| #include "include/v8.h" |
| |
| namespace v8 { |
| namespace experimental { |
| |
| // Allow the embedder to construct accessors that V8 can compile and use |
| // directly, without jumping into the runtime. |
| class V8_EXPORT FastAccessorBuilder { |
| public: |
| struct ValueId { |
| size_t value_id; |
| }; |
| struct LabelId { |
| size_t label_id; |
| }; |
| |
| static FastAccessorBuilder* New(Isolate* isolate); |
| |
| ValueId IntegerConstant(int int_constant); |
| ValueId GetReceiver(); |
| ValueId LoadInternalField(ValueId value_id, int field_no); |
| ValueId LoadValue(ValueId value_id, int offset); |
| ValueId LoadObject(ValueId value_id, int offset); |
| void ReturnValue(ValueId value_id); |
| void CheckFlagSetOrReturnNull(ValueId value_id, int mask); |
| void CheckNotZeroOrReturnNull(ValueId value_id); |
| LabelId MakeLabel(); |
| void SetLabel(LabelId label_id); |
| void CheckNotZeroOrJump(ValueId value_id, LabelId label_id); |
| ValueId Call(v8::FunctionCallback callback, ValueId value_id); |
| |
| private: |
| FastAccessorBuilder() = delete; |
| FastAccessorBuilder(const FastAccessorBuilder&) = delete; |
| ~FastAccessorBuilder() = delete; |
| void operator=(const FastAccessorBuilder&) = delete; |
| }; |
| |
| } // namespace experimental |
| } // namespace v8 |
| |
| #endif // V8_INCLUDE_V8_EXPERIMENTAL_H_ |