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// 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.
#include "v8.h" // NOLINT(build/include)
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 {
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 LoadInternalFieldUnchecked(ValueId value_id, int field_no);
ValueId LoadValue(ValueId value_id, int offset);
ValueId LoadObject(ValueId value_id, int offset);
ValueId ToSmi(ValueId value_id);
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 Goto(LabelId label_id);
void CheckNotZeroOrJump(ValueId value_id, LabelId label_id);
ValueId Call(v8::FunctionCallback callback, ValueId value_id);
FastAccessorBuilder() = delete;
FastAccessorBuilder(const FastAccessorBuilder&) = delete;
~FastAccessorBuilder() = delete;
void operator=(const FastAccessorBuilder&) = delete;
} // namespace experimental
} // namespace v8