Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 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 | /** |
| 6 | * This header contains a set of experimental V8 APIs. We hope these will |
| 7 | * become a part of standard V8, but they may also be removed if we deem the |
| 8 | * experiment to not be successul. |
| 9 | */ |
| 10 | #ifndef V8_INCLUDE_V8_EXPERIMENTAL_H_ |
| 11 | #define V8_INCLUDE_V8_EXPERIMENTAL_H_ |
| 12 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 13 | #include "v8.h" // NOLINT(build/include) |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 14 | |
| 15 | namespace v8 { |
| 16 | namespace experimental { |
| 17 | |
| 18 | // Allow the embedder to construct accessors that V8 can compile and use |
| 19 | // directly, without jumping into the runtime. |
| 20 | class V8_EXPORT FastAccessorBuilder { |
| 21 | public: |
| 22 | struct ValueId { |
| 23 | size_t value_id; |
| 24 | }; |
| 25 | struct LabelId { |
| 26 | size_t label_id; |
| 27 | }; |
| 28 | |
| 29 | static FastAccessorBuilder* New(Isolate* isolate); |
| 30 | |
| 31 | ValueId IntegerConstant(int int_constant); |
| 32 | ValueId GetReceiver(); |
| 33 | ValueId LoadInternalField(ValueId value_id, int field_no); |
| 34 | ValueId LoadValue(ValueId value_id, int offset); |
| 35 | ValueId LoadObject(ValueId value_id, int offset); |
| 36 | void ReturnValue(ValueId value_id); |
| 37 | void CheckFlagSetOrReturnNull(ValueId value_id, int mask); |
| 38 | void CheckNotZeroOrReturnNull(ValueId value_id); |
| 39 | LabelId MakeLabel(); |
| 40 | void SetLabel(LabelId label_id); |
| 41 | void CheckNotZeroOrJump(ValueId value_id, LabelId label_id); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 42 | ValueId Call(v8::FunctionCallback callback, ValueId value_id); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 43 | |
| 44 | private: |
| 45 | FastAccessorBuilder() = delete; |
| 46 | FastAccessorBuilder(const FastAccessorBuilder&) = delete; |
| 47 | ~FastAccessorBuilder() = delete; |
| 48 | void operator=(const FastAccessorBuilder&) = delete; |
| 49 | }; |
| 50 | |
| 51 | } // namespace experimental |
| 52 | } // namespace v8 |
| 53 | |
| 54 | #endif // V8_INCLUDE_V8_EXPERIMENTAL_H_ |