chromium/v8/src/interpreter/bytecode-label.h

// 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.

#ifndef V8_INTERPRETER_BYTECODE_LABEL_H_
#define V8_INTERPRETER_BYTECODE_LABEL_H_

#include <algorithm>

#include "src/zone/zone-containers.h"

namespace v8 {
namespace internal {
namespace interpreter {

class BytecodeArrayBuilder;

// A label representing a loop header in a bytecode array. It is bound before
// the jump is seen, so its position is always known by the time the jump is
// reached.
class V8_EXPORT_PRIVATE BytecodeLoopHeader final { … };

// A label representing a forward branch target in a bytecode array. When a
// label is bound, it represents a known position in the bytecode array. A label
// can only have at most one referrer jump.
class V8_EXPORT_PRIVATE BytecodeLabel final { … };

// Class representing a branch target of multiple jumps.
class V8_EXPORT_PRIVATE BytecodeLabels { … };

}  // namespace interpreter
}  // namespace internal
}  // namespace v8

#endif  // V8_INTERPRETER_BYTECODE_LABEL_H_