public override IAstNode UnaryExpression(UnaryExpression unaryExpression)
        {
            if (unaryExpression.Type == ExpressionType.Minus)
            {
                var constant = unaryExpression.Operand as Constant;

                if (constant != null)
                {
                    var unparsedNumber = constant.Value as UnparsedNumber;

                    // We do not parse hex in this manner because int.Parse
                    // doesn't allow hex and sign to be combined.

                    if (
                        unparsedNumber != null &&
                        TypeUtil.IsConvertible(unparsedNumber.Type) &&
                        (unparsedNumber.NumberStyles & NumberStyles.AllowHexSpecifier) == 0
                    ) {
                        // Actually parse the constant including the minus sign.

                        unparsedNumber = new UnparsedNumber("-" + unparsedNumber.Value, unparsedNumber.Type, unparsedNumber.NumberStyles | NumberStyles.AllowLeadingSign);

                        return new Constant(
                            unparsedNumber.Parse()
                        );
                    }
                }
            }

            return base.UnaryExpression(unaryExpression);
        }
Example #2
0
        public override IAstNode UnaryExpression(UnaryExpression unaryExpression)
        {
            if (unaryExpression.Type == ExpressionType.Minus)
            {
                var constant = unaryExpression.Operand as Constant;

                if (constant != null)
                {
                    var unparsedNumber = constant.Value as UnparsedNumber;

                    // We do not parse hex in this manner because int.Parse
                    // doesn't allow hex and sign to be combined.

                    if (
                        unparsedNumber != null &&
                        TypeUtil.IsConvertible(unparsedNumber.Type) &&
                        (unparsedNumber.NumberStyles & NumberStyles.AllowHexSpecifier) == 0
                        )
                    {
                        // Actually parse the constant including the minus sign.

                        unparsedNumber = new UnparsedNumber("-" + unparsedNumber.Value, unparsedNumber.Type, unparsedNumber.NumberStyles | NumberStyles.AllowLeadingSign);

                        return(new Constant(
                                   unparsedNumber.Parse()
                                   ));
                    }
                }
            }

            return(base.UnaryExpression(unaryExpression));
        }