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39#ifndef QV4IDENTIFIERTABLE_H
40#define QV4IDENTIFIERTABLE_H
41
42//
43// W A R N I N G
44// -------------
45//
46// This file is not part of the Qt API. It exists purely as an
47// implementation detail. This header file may change from version to
48// version without notice, or even be removed.
49//
50// We mean it.
51//
52
53#include "qv4identifier_p.h"
54#include "qv4string_p.h"
55#include "qv4engine_p.h"
56#include <qset.h>
57#include <limits.h>
58
59QT_BEGIN_NAMESPACE
60
61namespace QV4 {
62
63struct Q_QML_PRIVATE_EXPORT IdentifierTable
64{
65 ExecutionEngine *engine;
66
67 uint alloc;
68 uint size;
69 int numBits;
70 Heap::StringOrSymbol **entriesByHash;
71 Heap::StringOrSymbol **entriesById;
72
73 QSet<IdentifierHashData *> idHashes;
74
75 void addEntry(Heap::StringOrSymbol *str);
76
77public:
78
79 IdentifierTable(ExecutionEngine *engine, int numBits = 8);
80 ~IdentifierTable();
81
82 Heap::String *insertString(const QString &s);
83 Heap::Symbol *insertSymbol(const QString &s);
84
85 PropertyKey asPropertyKey(const Heap::String *str) {
86 if (str->identifier.isValid())
87 return str->identifier;
88 return asPropertyKeyImpl(str);
89 }
90 PropertyKey asPropertyKey(const QV4::String *str) {
91 return asPropertyKey(str: str->d());
92 }
93
94 PropertyKey asPropertyKey(const QString &s);
95 PropertyKey asPropertyKey(const char *s, int len);
96
97 PropertyKey asPropertyKeyImpl(const Heap::String *str);
98
99 Heap::StringOrSymbol *resolveId(PropertyKey i) const;
100 Heap::String *stringForId(PropertyKey i) const;
101 Heap::Symbol *symbolForId(PropertyKey i) const;
102
103 void markObjects(MarkStack *markStack);
104 void sweep();
105
106 void addIdentifierHash(IdentifierHashData *h) {
107 idHashes.insert(value: h);
108 }
109 void removeIdentifierHash(IdentifierHashData *h) {
110 idHashes.remove(value: h);
111 }
112};
113
114}
115
116QT_END_NAMESPACE
117
118#endif
119

source code of qtdeclarative/src/qml/jsruntime/qv4identifiertable_p.h