//TODO: put into account non-Ascii aplhabets specified by means of Unicode categories!
public override IList <string> GetFirsts()
{
var list = new StringList();
list.AddRange(Prefixes);
foreach (char ch in _allFirstCharsSet)
{
list.Add(ch.ToString());
}
if ((Options & IdOptions.CanStartWithEscape) != 0)
{
list.Add(this.EscapeChar.ToString());
}
return(list);
}
public override IList <string> GetFirsts()
{
var result = new StringList();
result.Add(StartSymbol.ToString());
return(result);
}
public override IList <string> GetFirsts()
{
StringList firsts = new StringList();
foreach (char t in LineTerminators)
{
firsts.Add(t.ToString());
}
return(firsts);
}
//TODO: put into account non-Ascii aplhabets specified by means of Unicode categories!
public override IList <string> GetFirsts()
{
StringList list = new StringList();
list.AddRange(Prefixes);
if (string.IsNullOrEmpty(AllFirstChars))
{
return(list);
}
char[] chars = AllFirstChars.ToCharArray();
foreach (char ch in chars)
{
list.Add(ch.ToString());
}
if ((Options & IdOptions.CanStartWithEscape) != 0)
{
list.Add(this.EscapeChar.ToString());
}
return(list);
}
}//method
public override IList <string> GetFirsts()
{
StringList result = new StringList();
result.AddRange(Prefixes);
//we assume that prefix is always optional, so string can start with start-end symbol
foreach (char ch in _startSymbolsFirsts)
{
result.Add(ch.ToString());
}
return(result);
}
public override IList <string> GetFirsts()
{
StringList result = new StringList();
result.AddRange(base.Prefixes);
//we assume that prefix is always optional, so number can always start with plain digit
result.AddRange(new string[] { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" });
// Python float numbers can start with a dot
if (IsSet(NumberOptions.AllowStartEndDot))
{
result.Add(DecimalSeparator.ToString());
}
if (IsSet(NumberOptions.AllowSign))
{
result.AddRange(new string[] { "-", "+" });
}
return(result);
}