public void Visit(IdentifierNameStmt node)
 {
     VisitChildren (node);
 }
 private IdentifierNameStmt IdentifierNameStmt()
 {
     Token token = Match (Token.Types.Identifier);
     IdentifierNameStmt identifierNameStmt = new IdentifierNameStmt(token.Lexeme, token.Row, token.Column);
     return identifierNameStmt;
 }