Expr NegateOp(DynamicMetaObject target)
{
var expr = LuaConvertBinder.ToNumber(target);
if (expr == null)
{
return(MetamethodFallbacks.UnaryMinus(context, target));
}
if (target.LimitType == typeof(string))
{
return(FallbackIfNumberIsNan(expr));
}
return(Expr.MakeUnary(Operation, Expr.Convert(expr, typeof(double)), null));
}
Expr Numeric(DynamicMetaObject left, DynamicMetaObject right)
{
var leftExpr = LuaConvertBinder.ToNumber(left);
var rightExpr = LuaConvertBinder.ToNumber(right);
if (leftExpr == null)
{
return(null);
}
if (left.LimitType == typeof(string))
{
return(FallbackIfNumberIsNan(leftExpr, left, right));
}
return(Expr.Convert(Expr.MakeBinary(Operation, leftExpr, rightExpr), typeof(object)));
}