private fractional_constant Parse_fractional_constant()
{
/* fractional-constant:
* digit-sequence? "." digit-sequence
| digit-sequence "." */
fractional_constant _self = null;
var _lhs_digit_sequence = Parse_digit_sequence();
var _ident = _tokens[_index]; if (_tokens[_index].StringValue == ".")
{
_index++;
} //derek
var _rhs_digit_sequence = Parse_digit_sequence();
if (_rhs_digit_sequence != null)
{
_self = new fractional_constant(_rhs_digit_sequence, _ident, _lhs_digit_sequence);
return(_self);
}
if (_rhs_digit_sequence == null)
{
_ident = _tokens[_index]; if (_tokens[_index].StringValue == ".")
{
_index++;
}
else
{
return(null);
}
_self = new fractional_constant(_lhs_digit_sequence, _ident);
return(_self);
}
return(_self);
}
public floating_point_constant(fractional_constant _fractional_constant, exponent _exponent = null)
{
fractional_constant = _fractional_constant;
exponent = _exponent;
expression = fractional_constant.expression + exponent?.expression;
}
