private integer_constant Parse_integer_constant()
{
/* integer-constant:
* digit-sequence */
integer_constant _self = null;
var _digit_sequence = Parse_digit_sequence();
if (_digit_sequence != null)
{
_self = new integer_constant(_digit_sequence);
return(_self);
}
return(_self);
}
public number(sign _sign, integer_constant _integer_constant)
{
sign = _sign;
integer_constant = _integer_constant;
expression = sign == null ? integer_constant.expression : sign.expression + integer_constant.expression;
}