private Tuple <MemberExpression, Expression> CreatePair(ReadOnlyCollection <Expression> arguments)
{
var p = ((ConstantExpression)arguments[1]).Value;
var s = ((ConstantExpression)arguments[2]).Value;
if (p is string)
{
p = ExpressionHelper.PathToExpression(typeof(T), p.ToString());
}
var pBody = (p as LambdaExpression)?.Body ?? (Expression)p;
if (!ExpressionHelper.CheckMemberAccess(typeof(T), pBody))
{
return(null);
}
return(Tuple.Create((MemberExpression)pBody, ((LambdaExpression)s).Body));
}
