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// Copyright 2023 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_OBJECTS_ABSTRACT_CODE_H_
#define V8_OBJECTS_ABSTRACT_CODE_H_
#include "src/objects/code-kind.h"
#include "src/objects/heap-object.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
enum class Builtin;
class BytecodeArray;
class Code;
// AbstractCode is a helper wrapper around {Code|BytecodeArray}.
// TODO(jgruber): Consider removing this wrapper as it's mainly used for
// profiling. Perhaps methods should be specialized instead of this wrapper
// class?
class AbstractCode : public HeapObject {
public:
int SourcePosition(PtrComprCageBase cage_base, int offset);
int SourceStatementPosition(PtrComprCageBase cage_base, int offset);
inline Address InstructionStart(PtrComprCageBase cage_base);
inline Address InstructionEnd(PtrComprCageBase cage_base);
inline int InstructionSize(PtrComprCageBase cage_base);
// Return the source position table for interpreter code.
inline Tagged<ByteArray> SourcePositionTable(Isolate* isolate,
Tagged<SharedFunctionInfo> sfi);
void DropStackFrameCache(PtrComprCageBase cage_base);
// Returns the size of instructions and the metadata.
inline int SizeIncludingMetadata(PtrComprCageBase cage_base);
// Returns true if pc is inside this object's instructions.
inline bool contains(Isolate* isolate, Address pc);
// Returns the kind of the code.
inline CodeKind kind(PtrComprCageBase cage_base);
inline Builtin builtin_id(PtrComprCageBase cage_base);
inline bool has_instruction_stream(PtrComprCageBase cage_base);
DECL_CAST(AbstractCode)
inline Tagged<Code> GetCode();
inline Tagged<BytecodeArray> GetBytecodeArray();
private:
inline Tagged<ByteArray> SourcePositionTableInternal(
PtrComprCageBase cage_base);
OBJECT_CONSTRUCTORS(AbstractCode, HeapObject);
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_ABSTRACT_CODE_H_
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