private static void StatementList()
        {
            Grammar.Add(new GrammarReplaceRule(TokenEnum.StatementList, new CompositeToken
            {
                TokenEnum.StatementList,
                TokenEnum.NewLine(),
                TokenEnum.Statement
            }));
            Grammar.Add(new GrammarReplaceRule(TokenEnum.StatementList, new CompositeToken
            {
                TokenEnum.NewLine(),
                TokenEnum.Statement
            }));
            Grammar.Add(new GrammarReplaceRule(TokenEnum.Statement, new CompositeToken
            {
                TokenEnum.UnlabeledStatement
            }));
            Grammar.Add(new GrammarReplaceRule(TokenEnum.Statement, new CompositeToken
            {
                TokenEnum.Label(),
                TokenEnum.String(":"),
                TokenEnum.UnlabeledStatement
            }));


            Grammar.Add(new GrammarReplaceRule(TokenEnum.StatementList1, new CompositeToken
            {
                TokenEnum.StatementList,
                TokenEnum.NewLine()
            }));
        }
 private static void If()
 {
     Grammar.Add(new GrammarReplaceRule(TokenEnum.UnlabeledStatement, new CompositeToken
     {
         TokenEnum.String("if"),
         TokenEnum.LogicalExpression1,
         TokenEnum.String("then"),
         TokenEnum.String("goto"),
         TokenEnum.Label()
     }));
 }