Statement:
     ID ASSIGN Expr                                                                                     {;}
     | LBRACE StatementSEMICOLON RBRACE                                                                 {;}
     | IF Expr LBRACE StatementSEMICOLON RBRACE                                                         {;}
     | IF Expr LBRACE StatementSEMICOLON RBRACE ELSE LBRACE StatementSEMICOLON RBRACE                   {;}
     | FOR Expr LBRACE StatementSEMICOLON RBRACE                                                        {;}
     | FOR LBRACE StatementSEMICOLON RBRACE                                                             {;}

     | RETURN                                                                                           {;}
     | RETURN Expr                                                                                      {;}

     | FuncInvocation                                                                                   {;}
     | ParseArgs                                                                                        {;}

     | PRINT LPAR StatementExprSTRLIT RPAR                                                              {;}

    | error                                                                                            {;}
     ;

StatementSEMICOLON:
    StatementSEMICOLON Statement SEMICOLON                                                              {;}
    | Statement SEMICOLON                                                                               {;}
    ;

StatementExprSTRLIT:
    Expr                                                                                                {;}
    | STRLIT                                                                                            {;}
    ;