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39
40#ifndef QSCRIPTSTRING_P_H
41#define QSCRIPTSTRING_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/qobjectdefs.h>
55#include <QtCore/qshareddata.h>
56
57#include "Identifier.h"
58
59QT_BEGIN_NAMESPACE
60
61class QScriptEnginePrivate;
62class QScriptStringPrivate : public QSharedData
63{
64public:
65 enum AllocationType {
66 StackAllocated,
67 HeapAllocated
68 };
69
70 inline QScriptStringPrivate(QScriptEnginePrivate *engine, const JSC::Identifier &id,
71 AllocationType type);
72 inline ~QScriptStringPrivate();
73 static inline void init(QScriptString &q, QScriptStringPrivate *d);
74
75 static inline QScriptStringPrivate *get(const QScriptString &q);
76
77 inline void detachFromEngine();
78
79 static inline bool isValid(const QScriptString &q);
80
81 QScriptEnginePrivate *engine;
82 JSC::Identifier identifier;
83 AllocationType type;
84
85 // linked list of engine's script values
86 QScriptStringPrivate *prev;
87 QScriptStringPrivate *next;
88};
89
90inline QScriptStringPrivate::QScriptStringPrivate(QScriptEnginePrivate *e, const JSC::Identifier &id,
91 AllocationType tp)
92 : engine(e), identifier(id), type(tp), prev(0), next(0)
93{
94}
95
96inline QScriptStringPrivate::~QScriptStringPrivate()
97{
98}
99
100inline void QScriptStringPrivate::init(QScriptString &q, QScriptStringPrivate *d)
101{
102 q.d_ptr = d;
103}
104
105inline QScriptStringPrivate *QScriptStringPrivate::get(const QScriptString &q)
106{
107 return const_cast<QScriptStringPrivate*>(q.d_func());
108}
109
110inline void QScriptStringPrivate::detachFromEngine()
111{
112 engine = 0;
113 identifier = JSC::Identifier();
114}
115
116inline bool QScriptStringPrivate::isValid(const QScriptString &q)
117{
118 return (q.d_ptr && q.d_ptr->engine);
119}
120
121QT_END_NAMESPACE
122
123#endif
124

source code of qtscript/src/script/api/qscriptstring_p.h