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// Copyright (C) 2018 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
#include "qv4propertykey_p.h"
#include <QtCore/qstring.h>
#include <qv4string_p.h>
#include <qv4engine_p.h>
#include <qv4scopedvalue_p.h>
#include <private/qv4mm_p.h>
using namespace Qt::Literals::StringLiterals;
QV4::Heap::StringOrSymbol *QV4::PropertyKey::toStringOrSymbol(QV4::ExecutionEngine *e)
{
if (isArrayIndex())
return Value::fromUInt32(asArrayIndex()).toString(e);
return asStringOrSymbol();
}
bool QV4::PropertyKey::isString() const {
Heap::StringOrSymbol *s = asStringOrSymbol();
return s && s->internalClass->vtable->isString;
}
bool QV4::PropertyKey::isSymbol() const {
Heap::StringOrSymbol *s = asStringOrSymbol();
return s && !s->internalClass->vtable->isString && s->internalClass->vtable->isStringOrSymbol;
}
bool QV4::PropertyKey::isCanonicalNumericIndexString() const
{
if (isArrayIndex())
return true;
if (isSymbol())
return false;
Heap::String *s = static_cast<Heap::String *>(asStringOrSymbol());
Scope scope(s->internalClass->engine);
ScopedString str(scope, s);
double d = str->toNumber();
if (d == 0. && std::signbit(d))
return true;
ScopedString converted(scope, Value::fromDouble(d).toString(scope.engine));
if (converted->equals(str))
return true;
return false;
}
QString QV4::PropertyKey::toQString() const
{
if (isArrayIndex())
return QString::number(asArrayIndex());
Heap::StringOrSymbol *s = asStringOrSymbol();
Q_ASSERT(s->internalClass->vtable->isStringOrSymbol);
return s->toQString();
}
QV4::Heap::String *QV4::PropertyKey::asFunctionName(ExecutionEngine *engine, FunctionNamePrefix prefix) const
{
QString n;
if (prefix == Getter)
n += "get "_L1;
else if (prefix == Setter)
n += "set "_L1;
if (isArrayIndex())
n += QString::number(asArrayIndex());
else {
Heap::StringOrSymbol *s = asStringOrSymbol();
QString str = s->toQString();
if (s->internalClass->vtable->isString)
n += s->toQString();
else if (str.size() > 1)
n += QChar::fromLatin1('[') + QStringView{str}.mid(1) + QChar::fromLatin1(']');
}
return engine->newString(n);
}
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