private static IEnumerable <ITerminal> SelectTerminals(char current)
{
TerminalList result;
if (TerminalsLookup.TryGetValue(current, out result))
{
return(result);
}
throw new CompilerException("Can't select terminal for start char " + current);
}
private void AddTerminalToLookupByFirstChar(TerminalLookupTable _lookup, Terminal term, char firstChar)
{
TerminalList currentList;
if (!_lookup.TryGetValue(firstChar, out currentList)) {
//if list does not exist yet, create it
currentList = new TerminalList();
_lookup[firstChar] = currentList;
}
//add terminal to the list
if (!currentList.Contains(term))
currentList.Add(term);
}
private void AddTerminalToLookupByFirstChar(TerminalLookupTable lookup, Terminal term, char firstChar)
{
if (!lookup.TryGetValue(firstChar, out TerminalList currentList))
{
//if list does not exist yet, create it
currentList = new TerminalList();
lookup[firstChar] = currentList;
}
//add terminal to the list
if (!currentList.Contains(term))
{
currentList.Add(term);
}
}