public IRuleBuilder Rule(params object[] symbols)
{
var symbolList = new List<ISymbol>();
if (symbols != null)
{
foreach (var symbol in symbols)
{
if (symbol is char)
{
var terminal = new Terminal((char)symbol);
var lexerRule = new TerminalLexerRule(
terminal,
new TokenType(terminal.ToString()));
symbolList.Add(lexerRule);
}
else if (symbol is ITerminal)
{
var terminal = symbol as ITerminal;
var lexerRule = new TerminalLexerRule(
terminal,
new TokenType(terminal.ToString()));
symbolList.Add(lexerRule);
}
else if (symbol is ILexerRule)
{
symbolList.Add(symbol as ILexerRule);
}
else if (symbol is string)
{
var nonTerminal = new NonTerminal(symbol as string);
symbolList.Add(nonTerminal);
}
else if (symbol == null)
{ }
else { throw new ArgumentException("unrecognized terminal or nonterminal"); }
}
}
_rules.Add(symbolList);
return this;
}
