/*!
If this QScriptValue is an object, sets the internal prototype
(\c{__proto__} property) of this object to be \a prototype;
otherwise does nothing.
The internal prototype should not be confused with the public
property with name "prototype"; the public prototype is usually
only set on functions that act as constructors.
\sa prototype(), isObject()
*/
void QScriptValue::setPrototype(const QScriptValue &prototype)
{
if (!isObject())
return;
if (prototype.isValid() && (prototype.engine() != engine())) {
qWarning("QScriptValue::setPrototype() failed: "
"cannot set a prototype created in "
"a different engine");
return;
}
QScriptValueImpl self = QScriptValuePrivate::valueOf(*this);
QScriptValueImpl was = self.prototype();
self.setPrototype(QScriptValuePrivate::valueOf(prototype));
if (self.detectedCycle()) {
qWarning("QScriptValue::setPrototype() failed: "
"cyclic prototype value");
self.setPrototype(was);
}
}
