private exponent Parse_exponent()
{
/*
* exponent:
* ( "e" | "E" ) sign? digit-sequence
*/
if (_index >= _tokens.Count())
{
return(null);
}
exponent _self = null;
var _ident = _tokens[_index]; if (_tokens[_index].StringValue == "E" || _tokens[_index].StringValue == "e")
{
_index++;
}
else
{
; return(null);
}
var _sign = Parse_sign();
var _digit_sequence = Parse_digit_sequence();
if (_ident.StringValue == "E" && _digit_sequence != null)
{
_self = new exponent(_ident, _digit_sequence, _sign);
return(_self);
}
return(_self);
}
public floating_point_constant(digit_sequence _digit_sequence, exponent _exponent)
{
digit_sequence = _digit_sequence;
exponent = _exponent;
expression = digit_sequence.expression + exponent?.expression;
}
public floating_point_constant(fractional_constant _fractional_constant, exponent _exponent = null)
{
fractional_constant = _fractional_constant;
exponent = _exponent;
expression = fractional_constant.expression + exponent?.expression;
}
