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// Copyright 2018 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_STRUCT_H_
#define V8_OBJECTS_STRUCT_H_
#include "src/objects/heap-object.h"
#include "src/objects/objects.h"
#include "torque-generated/class-definitions-tq.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
// An abstract superclass, a marker class really, for simple structure classes.
// It doesn't carry much functionality but allows struct classes to be
// identified in the type system.
class Struct : public TorqueGeneratedStruct<Struct, HeapObject> {
public:
inline void InitializeBody(int object_size);
void BriefPrintDetails(std::ostream& os);
TQ_OBJECT_CONSTRUCTORS(Struct)
};
class Tuple2 : public TorqueGeneratedTuple2<Tuple2, Struct> {
public:
void BriefPrintDetails(std::ostream& os);
TQ_OBJECT_CONSTRUCTORS(Tuple2)
};
class Tuple3 : public TorqueGeneratedTuple3<Tuple3, Tuple2> {
public:
void BriefPrintDetails(std::ostream& os);
TQ_OBJECT_CONSTRUCTORS(Tuple3)
};
// Support for JavaScript accessors: A pair of a getter and a setter. Each
// accessor can either be
// * a JavaScript function or proxy: a real accessor
// * a FunctionTemplateInfo: a real (lazy) accessor
// * undefined: considered an accessor by the spec, too, strangely enough
// * null: an accessor which has not been set
class AccessorPair : public Struct {
public:
DECL_ACCESSORS(getter, Object)
DECL_ACCESSORS(setter, Object)
DECL_CAST(AccessorPair)
static Handle<AccessorPair> Copy(Isolate* isolate, Handle<AccessorPair> pair);
inline Object get(AccessorComponent component);
inline void set(AccessorComponent component, Object value);
// Note: Returns undefined if the component is not set.
static Handle<Object> GetComponent(Isolate* isolate,
Handle<NativeContext> native_context,
Handle<AccessorPair> accessor_pair,
AccessorComponent component);
// Set both components, skipping arguments which are a JavaScript null.
inline void SetComponents(Object getter, Object setter);
inline bool Equals(Object getter_value, Object setter_value);
// Dispatched behavior.
DECL_PRINTER(AccessorPair)
DECL_VERIFIER(AccessorPair)
// Layout description.
DEFINE_FIELD_OFFSET_CONSTANTS(HeapObject::kHeaderSize,
TORQUE_GENERATED_ACCESSOR_PAIR_FIELDS)
OBJECT_CONSTRUCTORS(AccessorPair, Struct);
};
class ClassPositions
: public TorqueGeneratedClassPositions<ClassPositions, Struct> {
public:
DECL_INT_ACCESSORS(start)
DECL_INT_ACCESSORS(end)
// Dispatched behavior.
DECL_PRINTER(ClassPositions)
void BriefPrintDetails(std::ostream& os);
TQ_OBJECT_CONSTRUCTORS(ClassPositions)
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_STRUCT_H_
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