|
public ToPrimitive ( IGlobal global ) : |
||
| global | IGlobal | |
| return | ||
public JsBoolean Compare(JsInstance x, JsInstance y)
{
if (x.IsClr && y.IsClr)
{
return Global.BooleanClass.New(x.Value.Equals(y.Value));
}
if (x.IsClr)
{
return Compare(x.ToPrimitive(Global), y);
}
if (y.IsClr)
{
return Compare(x, y.ToPrimitive(Global));
}
if (x.Type == y.Type)
{ // if both are Objects but then only one is Clrs
if (x == JsUndefined.Instance)
{
return Global.BooleanClass.True;
}
else if (x == JsNull.Instance)
{
return Global.BooleanClass.True;
}
else if (x.Type == JsInstance.TYPE_NUMBER)
{
if (x.ToNumber() == double.NaN)
{
return Global.BooleanClass.False;
}
else if (y.ToNumber() == double.NaN)
{
return Global.BooleanClass.False;
}
else if (x.ToNumber() == y.ToNumber())
{
return Global.BooleanClass.True;
}
else
{
return Global.BooleanClass.False;
}
}
else if (x.Type == JsInstance.TYPE_STRING)
{
return Global.BooleanClass.New(x.ToString() == y.ToString());
}
else if (x.Type == JsInstance.TYPE_BOOLEAN)
{
return Global.BooleanClass.New(x.ToBoolean() == y.ToBoolean());
}
else if (x.Type == JsInstance.TYPE_OBJECT )
{
return Global.BooleanClass.New(x == y);
}
else
{
return Global.BooleanClass.New(x.Value.Equals(y.Value));
}
}
else if (x == JsNull.Instance && y == JsUndefined.Instance)
{
return Global.BooleanClass.True;
}
else if (x == JsUndefined.Instance && y == JsNull.Instance)
{
return Global.BooleanClass.True;
}
else if (x.Type == JsInstance.TYPE_NUMBER && y.Type == JsInstance.TYPE_STRING)
{
return Global.BooleanClass.New(x.ToNumber() == y.ToNumber());
}
else if (x.Type == JsInstance.TYPE_STRING && y.Type == JsInstance.TYPE_NUMBER)
{
return Global.BooleanClass.New(x.ToNumber() == y.ToNumber());
}
else if (x.Type == JsInstance.TYPE_BOOLEAN || y.Type == JsInstance.TYPE_BOOLEAN)
{
return Global.BooleanClass.New(x.ToNumber() == y.ToNumber());
}
else if (y.Type == JsInstance.TYPE_OBJECT && (x.Type == JsInstance.TYPE_STRING || x.Type == JsInstance.TYPE_NUMBER))
{
return Compare(x, y.ToPrimitive(Global));
}
else if (x.Type == JsInstance.TYPE_OBJECT && (y.Type == JsInstance.TYPE_STRING || y.Type == JsInstance.TYPE_NUMBER))
{
return Compare(x.ToPrimitive(Global), y);
}
else
{
return Global.BooleanClass.False;
}
}
