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39
40#ifndef QV4VARIANTOBJECT_P_H
41#define QV4VARIANTOBJECT_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtCore/qglobal.h>
55#include <QtQml/qqmllist.h>
56#include <QtCore/qvariant.h>
57
58#include <private/qv4value_p.h>
59#include <private/qv4object_p.h>
60
61QT_BEGIN_NAMESPACE
62
63namespace QV4 {
64
65namespace Heap {
66
67struct VariantObject : Object
68{
69 void init();
70 void init(const QVariant &value);
71 void destroy() {
72 Q_ASSERT(scarceData);
73 if (isScarce())
74 addVmePropertyReference();
75 delete scarceData;
76 Object::destroy();
77 }
78 bool isScarce() const;
79 int vmePropertyReferenceCount;
80
81 const QVariant &data() const { return scarceData->data; }
82 QVariant &data() { return scarceData->data; }
83
84 void addVmePropertyReference() { scarceData->node.remove(); }
85 void removeVmePropertyReference() { internalClass->engine->scarceResources.insert(n: scarceData); }
86
87private:
88 ExecutionEngine::ScarceResourceData *scarceData;
89};
90
91}
92
93struct VariantObject : Object
94{
95 V4_OBJECT2(VariantObject, Object)
96 V4_PROTOTYPE(variantPrototype)
97 V4_NEEDS_DESTROY
98
99 void addVmePropertyReference() const;
100 void removeVmePropertyReference() const;
101
102protected:
103 static bool virtualIsEqualTo(Managed *m, Managed *other);
104};
105
106struct VariantPrototype : VariantObject
107{
108public:
109 V4_PROTOTYPE(objectPrototype)
110 void init();
111
112 static ReturnedValue method_preserve(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc);
113 static ReturnedValue method_destroy(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
114 static ReturnedValue method_toString(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
115 static ReturnedValue method_valueOf(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
116};
117
118}
119
120QT_END_NAMESPACE
121
122#endif
123
124

source code of qtdeclarative/src/qml/jsruntime/qv4variantobject_p.h