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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QV4IDENTIFIERTABLE_H
#define QV4IDENTIFIERTABLE_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 "qv4identifierhash_p.h"
#include "qv4string_p.h"
#include "qv4engine_p.h"
#include <qset.h>
#include <limits.h>
QT_BEGIN_NAMESPACE
namespace QV4 {
struct Q_QML_EXPORT IdentifierTable
{
ExecutionEngine *engine;
uint alloc;
uint size;
int numBits;
Heap::StringOrSymbol **entriesByHash;
Heap::StringOrSymbol **entriesById;
QSet<IdentifierHashData *> idHashes;
void addEntry(Heap::StringOrSymbol *str);
public:
IdentifierTable(ExecutionEngine *engine, int numBits = 8);
~IdentifierTable();
Heap::String *insertString(const QString &s);
Heap::Symbol *insertSymbol(const QString &s);
PropertyKey asPropertyKey(const Heap::String *str) {
if (str->identifier.isValid())
return str->identifier;
return asPropertyKeyImpl(str);
}
PropertyKey asPropertyKey(const QV4::String *str) {
return asPropertyKey(str->d());
}
enum KeyConversionBehavior { Default, ForceConversionToId };
PropertyKey asPropertyKey(const QString &s, KeyConversionBehavior conversionBehavior = Default);
PropertyKey asPropertyKeyImpl(const Heap::String *str);
Heap::StringOrSymbol *resolveId(PropertyKey i) const;
Heap::String *stringForId(PropertyKey i) const;
Heap::Symbol *symbolForId(PropertyKey i) const;
void markObjects(MarkStack *markStack);
void sweep();
void addIdentifierHash(IdentifierHashData *h) {
idHashes.insert(h);
}
void removeIdentifierHash(IdentifierHashData *h) {
idHashes.remove(h);
}
private:
Heap::String *resolveStringEntry(const QString &s, uint hash, uint subtype);
};
}
QT_END_NAMESPACE
#endif
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