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| #ifndef QV4ARGUMENTSOBJECTS_H |
| #define QV4ARGUMENTSOBJECTS_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "qv4object_p.h" |
| #include "qv4functionobject_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QV4 { |
| |
| namespace Heap { |
| |
| #define ArgumentsObjectMembers(class, Member) \ |
| Member(class, Pointer, CallContext *, context) \ |
| Member(class, NoMark, bool, fullyCreated) \ |
| Member(class, NoMark, uint, argCount) \ |
| Member(class, NoMark, quint64, mapped) |
| |
| DECLARE_HEAP_OBJECT(ArgumentsObject, Object) { |
| DECLARE_MARKOBJECTS(ArgumentsObject); |
| enum { |
| LengthPropertyIndex = 0, |
| SymbolIteratorPropertyIndex = 1, |
| CalleePropertyIndex = 2 |
| }; |
| void init(CppStackFrame *frame); |
| }; |
| |
| #define StrictArgumentsObjectMembers(class, Member) |
| |
| DECLARE_HEAP_OBJECT(StrictArgumentsObject, Object) { |
| enum { |
| LengthPropertyIndex = 0, |
| SymbolIteratorPropertyIndex = 1, |
| CalleePropertyIndex = 2, |
| CalleeSetterPropertyIndex = 3 |
| }; |
| void init(CppStackFrame *frame); |
| }; |
| |
| } |
| |
| struct ArgumentsObject: Object { |
| V4_OBJECT2(ArgumentsObject, Object) |
| Q_MANAGED_TYPE(ArgumentsObject) |
| |
| Heap::CallContext *context() const { return d()->context; } |
| bool fullyCreated() const { return d()->fullyCreated; } |
| |
| static bool isNonStrictArgumentsObject(Managed *m) { |
| return m->vtable() == staticVTable(); |
| } |
| |
| static bool virtualDefineOwnProperty(Managed *m, PropertyKey id, const Property *desc, PropertyAttributes attrs); |
| static ReturnedValue virtualGet(const Managed *m, PropertyKey id, const Value *receiver, bool *hasProperty); |
| static bool virtualPut(Managed *m, PropertyKey id, const Value &value, Value *receiver); |
| static bool virtualDeleteProperty(Managed *m, PropertyKey id); |
| static PropertyAttributes virtualGetOwnProperty(const Managed *m, PropertyKey id, Property *p); |
| static qint64 virtualGetLength(const Managed *m); |
| static OwnPropertyKeyIterator *virtualOwnPropertyKeys(const Object *m, Value *target); |
| |
| void fullyCreate(); |
| |
| // There's a slight hack here, as this limits the amount of mapped arguments to 64, but that should be |
| // more than enough for all practical uses of arguments |
| bool isMapped(uint arg) const { |
| return arg < 64 && (d()->mapped & (1ull << arg)); |
| } |
| |
| void removeMapping(uint arg) { |
| if (arg < 64) |
| (d()->mapped &= ~(1ull << arg)); |
| } |
| |
| }; |
| |
| struct StrictArgumentsObject : Object { |
| V4_OBJECT2(StrictArgumentsObject, Object) |
| Q_MANAGED_TYPE(ArgumentsObject) |
| }; |
| |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |
| |