54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
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// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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/**
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* This header contains a set of experimental V8 APIs. We hope these will
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* become a part of standard V8, but they may also be removed if we deem the
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* experiment to not be successul.
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*/
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#ifndef V8_INCLUDE_V8_EXPERIMENTAL_H_
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#define V8_INCLUDE_V8_EXPERIMENTAL_H_
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#include "include/v8.h"
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namespace v8 {
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namespace experimental {
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// Allow the embedder to construct accessors that V8 can compile and use
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// directly, without jumping into the runtime.
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class V8_EXPORT FastAccessorBuilder {
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public:
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struct ValueId {
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size_t value_id;
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};
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struct LabelId {
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size_t label_id;
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};
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static FastAccessorBuilder* New(Isolate* isolate);
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ValueId IntegerConstant(int int_constant);
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ValueId GetReceiver();
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ValueId LoadInternalField(ValueId value_id, int field_no);
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ValueId LoadValue(ValueId value_id, int offset);
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ValueId LoadObject(ValueId value_id, int offset);
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void ReturnValue(ValueId value_id);
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void CheckFlagSetOrReturnNull(ValueId value_id, int mask);
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void CheckNotZeroOrReturnNull(ValueId value_id);
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LabelId MakeLabel();
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void SetLabel(LabelId label_id);
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void CheckNotZeroOrJump(ValueId value_id, LabelId label_id);
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private:
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FastAccessorBuilder() = delete;
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FastAccessorBuilder(const FastAccessorBuilder&) = delete;
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~FastAccessorBuilder() = delete;
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void operator=(const FastAccessorBuilder&) = delete;
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};
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} // namespace experimental
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} // namespace v8
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#endif // V8_INCLUDE_V8_EXPERIMENTAL_H_
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