v8/include/v8-experimental.h
peterssen f4e92fe13e Add ToSmi and Goto operations to FastAccessorAssembler.
BUG=chromium:508898

Review-Url: https://codereview.chromium.org/2237443002
Cr-Commit-Position: refs/heads/master@{#38745}
2016-08-19 09:35:17 +00:00

59 lines
1.8 KiB
C++

// 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 "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 {
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 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);
private:
FastAccessorBuilder() = delete;
FastAccessorBuilder(const FastAccessorBuilder&) = delete;
~FastAccessorBuilder() = delete;
void operator=(const FastAccessorBuilder&) = delete;
};
} // namespace experimental
} // namespace v8
#endif // V8_INCLUDE_V8_EXPERIMENTAL_H_