public IJsValue Delete(IEnvironment environment)
{
var obj = Instance.Evaluate(environment);
return environment.CreateBool(obj
.Cast<IJsObject>("Cannot convert {0} to object", obj)
.DeleteProperty(Member.Evaluate(environment).ToString()));
}
public static IJsValue RelationalEval(IEnvironment environment, IJsValue lhs, IJsValue rhs,
Func<double, double, bool> relationalOperator,
Func<string, string, bool> stringRelationalOperator)
{
if ((lhs.ToPrimitive() is string) || (rhs.ToPrimitive() is string))
{
return environment.CreateBool(stringRelationalOperator(lhs.ToString(), rhs.ToString()));
}
var ln = lhs.ToNumber();
if (double.IsNaN(ln))
{
return JsUndefined.Value;
}
var rn = rhs.ToNumber();
if (double.IsNaN(rn))
{
return JsUndefined.Value;
}
return environment.CreateBool(relationalOperator(ln, rn));
}
public IJsValue Evaluate(IEnvironment environment)
{
return environment.CreateBool(Value);
}
public IJsValue Delete(IEnvironment environment)
{
//throw new JsReferenceError();
// We end up here when deleting a scope variable, which isnt supported
return environment.CreateBool(false);
}
