コード例 #1
0
ファイル: parser_original.cs プロジェクト: BeyondOrdinary/CUP
        /// <summary>Method with the actual generated action code. 
        /// </summary>
        public Symbol CUP_parser_do_action(int CUP_parser_act_num, lr_parser CUP_parser_parser, CUP.runtime.SymbolStack CUP_parser_stack, int CUP_parser_top)
        {
            /* Symbol object for return from actions */
            Symbol CUP_parser_result;

            /* select the action based on the action number */
            switch (CUP_parser_act_num)
            {
                case 106:
                    // empty ::=
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(29, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 105:
                    // opt_semi ::= SEMI
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(7, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 104:
                    // opt_semi ::=
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(7, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 103:
                    // non_terminal ::= NONTERMINAL
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(8, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 102:
                    // non_terminal ::= NON TERMINAL
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(8, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 101:
                    // robust_id ::= error
                    {
                        System.String RESULT = null;

                        lexer.emit_error("Illegal use of reserved word");
                        RESULT = "ILLEGAL";

                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 100:
                    // robust_id ::= NONASSOC
                    {
                        System.String RESULT = null;
                        RESULT = "nonassoc";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 99:
                    // robust_id ::= RIGHT
                    {
                        System.String RESULT = null;
                        RESULT = "right";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 98:
                    // robust_id ::= LEFT
                    {
                        System.String RESULT = null;
                        RESULT = "left";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 97:
                    // robust_id ::= PRECEDENCE
                    {
                        System.String RESULT = null;
                        RESULT = "precedence";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 96:
                    // robust_id ::= START
                    {
                        System.String RESULT = null;
                        RESULT = "start";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 95:
                    // robust_id ::= WITH
                    {
                        System.String RESULT = null;
                        RESULT = "with";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 94:
                    // robust_id ::= SCAN
                    {
                        System.String RESULT = null;
                        RESULT = "scan";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 93:
                    // robust_id ::= INIT
                    {
                        System.String RESULT = null;
                        RESULT = "init";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 92:
                    // robust_id ::= NONTERMINAL
                    {
                        System.String RESULT = null;
                        RESULT = "nonterminal";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 91:
                    // robust_id ::= NON
                    {
                        System.String RESULT = null;
                        RESULT = "non";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 90:
                    // robust_id ::= TERMINAL
                    {
                        System.String RESULT = null;
                        RESULT = "terminal";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 89:
                    // robust_id ::= PARSER
                    {
                        System.String RESULT = null;
                        RESULT = "parser";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 88:
                    // robust_id ::= ACTION
                    {
                        System.String RESULT = null;
                        RESULT = "action";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 87:
                    // robust_id ::= CODE
                    {
                        System.String RESULT = null;
                        RESULT = "code";
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 86:
                    // robust_id ::= ID
                    {
                        System.String RESULT = null;
                        int the_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int the_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String the_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;
                        RESULT = the_id;
                        CUP_parser_result = new Symbol(42, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 85:
                    // label_id ::= robust_id
                    {
                        System.String RESULT = null;
                        int the_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int the_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String the_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;
                        RESULT = the_id;
                        CUP_parser_result = new Symbol(38, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 84:
                    // symbol_id ::= error
                    {
                        System.String RESULT = null;

                        lexer.emit_error("Illegal use of reserved word");
                        RESULT = "ILLEGAL";

                        CUP_parser_result = new Symbol(37, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 83:
                    // symbol_id ::= ID
                    {
                        System.String RESULT = null;
                        int the_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int the_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String the_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;
                        RESULT = the_id;
                        CUP_parser_result = new Symbol(37, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 82:
                    // nt_id ::= error
                    {
                        System.String RESULT = null;

                        lexer.emit_error("Illegal use of reserved word");
                        RESULT = "ILLEGAL";

                        CUP_parser_result = new Symbol(36, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 81:
                    // nt_id ::= ID
                    {
                        System.String RESULT = null;
                        int the_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int the_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String the_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;
                        RESULT = the_id;
                        CUP_parser_result = new Symbol(36, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 80:
                    // new_non_term_id ::= ID
                    {
                        System.Object RESULT = null;
                        int non_term_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int non_term_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String non_term_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;

                        /* see if this non terminal has been declared before */
                        if (symbols[non_term_id] != null)
                        {
                            /* issue a message */
                            lexer.emit_error("CUP.runtime.Symbol \"" + non_term_id + "\" has already been declared");
                        }
                        else
                        {
                            if (multipart_name.Equals(""))
                            {
                                append_multipart("Object");
                            }
                            /* build the non terminal object */
                            non_terminal this_nt = new non_terminal(non_term_id, multipart_name);

                            /* put it in the non_terms table */
                            SupportClass.PutElement(non_terms, non_term_id, this_nt);

                            /* build a production_part and put it in the symbols table */
                            SupportClass.PutElement(symbols, non_term_id, new symbol_part(this_nt));
                        }

                        CUP_parser_result = new Symbol(26, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 79:
                    // new_term_id ::= ID
                    {
                        System.Object RESULT = null;
                        int term_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int term_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String term_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;

                        /* see if this terminal has been declared before */
                        if (symbols[term_id] != null)
                        {
                            /* issue a message */
                            lexer.emit_error("CUP.runtime.Symbol \"" + term_id + "\" has already been declared");
                        }
                        else
                        {
                            /* if no type declared, declare one */
                            if (multipart_name.Equals(""))
                            {
                                append_multipart("Object");
                            }
                            /* build a production_part and put it in the table */
                            SupportClass.PutElement(symbols, term_id, new symbol_part(new terminal(term_id, multipart_name)));
                        }

                        CUP_parser_result = new Symbol(25, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 78:
                    // type_id ::= type_id LBRACK RBRACK
                    {
                        System.Object RESULT = null;
                        multipart_name = string.Concat(multipart_name, "[]");
                        CUP_parser_result = new Symbol(19, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 77:
                    // type_id ::= multipart_id
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(19, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 76:
                    // import_id ::= multipart_id
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(15, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 75:
                    // import_id ::= multipart_id DOT STAR
                    {
                        System.Object RESULT = null;
                        append_multipart("*");
                        CUP_parser_result = new Symbol(15, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 74:
                    // multipart_id ::= robust_id
                    {
                        System.Object RESULT = null;
                        int an_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int an_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String an_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;
                        append_multipart(an_id);
                        CUP_parser_result = new Symbol(13, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 73:
                    // multipart_id ::= multipart_id DOT robust_id
                    {
                        System.Object RESULT = null;
                        int another_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int another_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String another_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;
                        append_multipart(another_id);
                        CUP_parser_result = new Symbol(13, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 72:
                    // opt_label ::= empty
                    {
                        System.String RESULT = null;
                        RESULT = null;
                        CUP_parser_result = new Symbol(39, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 71:
                    // opt_label ::= COLON label_id
                    {
                        System.String RESULT = null;
                        int labidleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int labidright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String labid = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;
                        RESULT = labid;
                        CUP_parser_result = new Symbol(39, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 70:
                    // prod_part ::= CODE_STRING
                    {
                        System.Object RESULT = null;
                        int code_strleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int code_strright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String code_str = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;

                        /* add a new production part */
                        add_rhs_part(new action_part(code_str));

                        CUP_parser_result = new Symbol(24, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 69:
                    // prod_part ::= symbol_id opt_label
                    {
                        System.Object RESULT = null;
                        int symidleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left;
                        int symidright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).right;
                        System.String symid = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;
                        int labidleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int labidright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String labid = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;

                        /* try to look up the id */
                        production_part symb = (production_part) symbols[symid];

                        /* if that fails, symbol is undeclared */
                        if (symb == null)
                        {
                            if (lexer.error_count == 0)
                                lexer.emit_error("CUP.runtime.Symbol \"" + symid + "\" has not been declared");
                        }
                        else
                        {
                            /* add a labeled production part */
                            add_rhs_part(add_lab(symb, labid));
                        }

                        CUP_parser_result = new Symbol(24, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 68:
                    // prod_part_list ::= empty
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(23, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 67:
                    // prod_part_list ::= prod_part_list prod_part
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(23, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 66:
                    // rhs ::= prod_part_list
                    {
                        System.Object RESULT = null;

                        if (lhs_nt != null)
                        {
                            /* build the production */
                            production p = new production(lhs_nt, rhs_parts, rhs_pos);

                            /* if we have no start non-terminal declared and this is
                            the first production, make its lhs nt the start_nt
                            and build a special start production for it. */
                            if (start_nt == null)
                            {
                                start_nt = lhs_nt;

                                /* build a special start production */
                                new_rhs();
                                add_rhs_part(add_lab(new symbol_part(start_nt), "start_val"));
                                add_rhs_part(new symbol_part(terminal.EOF));
                                add_rhs_part(new action_part("RESULT = start_val;"));
                                emit.start_production = new production(non_terminal.START_nt, rhs_parts, rhs_pos);

                                new_rhs();
                            }
                        }

                        /* reset the rhs accumulation in any case */
                        new_rhs();

                        CUP_parser_result = new Symbol(28, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 65:
                    // rhs ::= prod_part_list PERCENT_PREC term_id
                    {
                        System.Object RESULT = null;
                        int term_nameleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int term_nameright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String term_name = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;

                        CUP.symbol sym = null;
                        if (lhs_nt != null)
                        {
                            /* Find the precedence symbol */
                            if (term_name == null)
                            {
                                System.Console.Error.WriteLine("No terminal for contextual precedence");
                                sym = null;
                            }
                            else
                            {
                                sym = ((symbol_part) symbols[term_name]).the_symbol();
                            }
                            /* build the production */
                            production p;
                            if ((sym != null) && (sym is terminal))
                            {
                                p = new production(lhs_nt, rhs_parts, rhs_pos, ((terminal) sym).precedence_num(), ((terminal) sym).precedence_side());
                                ((symbol_part) symbols[term_name]).the_symbol().note_use();
                            }
                            else
                            {
                                System.Console.Error.WriteLine("Invalid terminal " + term_name + " for contextual precedence assignment");
                                p = new production(lhs_nt, rhs_parts, rhs_pos);
                            }

                            /* if we have no start non-terminal declared and this is
                            the first production, make its lhs nt the start_nt
                            and build a special start production for it. */
                            if (start_nt == null)
                            {
                                start_nt = lhs_nt;

                                /* build a special start production */
                                new_rhs();
                                add_rhs_part(add_lab(new symbol_part(start_nt), "start_val"));
                                add_rhs_part(new symbol_part(terminal.EOF));
                                add_rhs_part(new action_part("RESULT = start_val;"));
                                if ((sym != null) && (sym is terminal))
                                {
                                    emit.start_production = new production(non_terminal.START_nt, rhs_parts, rhs_pos, ((terminal) sym).precedence_num(), ((terminal) sym).precedence_side());
                                }
                                else
                                {
                                    emit.start_production = new production(non_terminal.START_nt, rhs_parts, rhs_pos);
                                }
                                new_rhs();
                            }
                        }

                        /* reset the rhs accumulation in any case */
                        new_rhs();

                        CUP_parser_result = new Symbol(28, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 64:
                    // rhs_list ::= rhs
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(27, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 63:
                    // rhs_list ::= rhs_list BAR rhs
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(27, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 62:
                    // production ::= error NT_13 SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_13
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        CUP_parser_result = new Symbol(22, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 61:
                    // NT_13 ::=
                    {
                        System.Object RESULT = null;
                        lexer.emit_error("Syntax Error");
                        CUP_parser_result = new Symbol(56, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 60:
                    // production ::= nt_id NT_11 COLON_COLON_EQUALS NT_12 rhs_list SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_11
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 4)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 4)).value_Renamed;
                        // propagate RESULT from NT_12
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).value_Renamed;
                        int lhs_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 5)).left;
                        int lhs_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 5)).right;
                        System.String lhs_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 5)).value_Renamed;

                        CUP_parser_result = new Symbol(22, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 5)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 59:
                    // NT_12 ::=
                    {
                        System.Object RESULT = null;
                        int lhs_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
                        int lhs_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
                        System.String lhs_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).value_Renamed;

                        CUP_parser_result = new Symbol(55, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 58:
                    // NT_11 ::=
                    {
                        System.Object RESULT = null;
                        int lhs_idleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int lhs_idright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String lhs_id = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;

                        /* lookup the lhs nt */
                        lhs_nt = (non_terminal) non_terms[lhs_id];

                        /* if it wasn't declared, emit a message */
                        if (lhs_nt == null)
                        {
                            if (lexer.error_count == 0)
                                lexer.emit_error("LHS non terminal \"" + lhs_id + "\" has not been declared");
                        }

                        /* reset the rhs accumulation */
                        new_rhs();

                        CUP_parser_result = new Symbol(54, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 57:
                    // production_list ::= production
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(12, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 56:
                    // production_list ::= production_list production
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(12, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 55:
                    // start_spec ::= empty
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(11, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 54:
                    // start_spec ::= START WITH nt_id NT_10 SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_10
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;
                        int start_nameleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
                        int start_nameright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
                        System.String start_name = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).value_Renamed;

                        CUP_parser_result = new Symbol(11, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 4)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 53:
                    // NT_10 ::=
                    {
                        System.Object RESULT = null;
                        int start_nameleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int start_nameright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String start_name = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;

                        /* verify that the name has been declared as a non terminal */
                        non_terminal nt = (non_terminal) non_terms[start_name];
                        if (nt == null)
                        {
                            lexer.emit_error("Start non terminal \"" + start_name + "\" has not been declared");
                        }
                        else
                        {
                            /* remember the non-terminal for later */
                            start_nt = nt;

                            /* build a special start production */
                            new_rhs();
                            add_rhs_part(add_lab(new symbol_part(start_nt), "start_val"));
                            add_rhs_part(new symbol_part(terminal.EOF));
                            add_rhs_part(new action_part("RESULT = start_val;"));
                            emit.start_production = new production(non_terminal.START_nt, rhs_parts, rhs_pos);
                            new_rhs();
                        }

                        CUP_parser_result = new Symbol(53, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 52:
                    // term_id ::= symbol_id
                    {
                        System.String RESULT = null;
                        int symleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int symright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String sym = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;

                        /* check that the symbol_id is a terminal */
                        if (symbols[sym] == null)
                        {
                            /* issue a message */
                            lexer.emit_error("Terminal \"" + sym + "\" has not been declared");
                        }
                        RESULT = sym;

                        CUP_parser_result = new Symbol(41, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 51:
                    // terminal_id ::= term_id
                    {
                        System.String RESULT = null;
                        int symleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                        int symright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                        System.String sym = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).value_Renamed;

                        add_precedence(sym);
                        RESULT = sym;

                        CUP_parser_result = new Symbol(40, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 50:
                    // terminal_list ::= terminal_id
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(32, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 49:
                    // terminal_list ::= terminal_list COMMA terminal_id
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(32, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 48:
                    // preced ::= PRECEDENCE NONASSOC NT_9 terminal_list SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_9
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).value_Renamed;

                        CUP_parser_result = new Symbol(31, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 4)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 47:
                    // NT_9 ::=
                    {
                        System.Object RESULT = null;

                        update_precedence(assoc.nonassoc);

                        CUP_parser_result = new Symbol(52, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 46:
                    // preced ::= PRECEDENCE RIGHT NT_8 terminal_list SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_8
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).value_Renamed;

                        CUP_parser_result = new Symbol(31, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 4)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 45:
                    // NT_8 ::=
                    {
                        System.Object RESULT = null;

                        update_precedence(assoc.right);

                        CUP_parser_result = new Symbol(51, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 44:
                    // preced ::= PRECEDENCE LEFT NT_7 terminal_list SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_7
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).value_Renamed;

                        CUP_parser_result = new Symbol(31, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 4)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 43:
                    // NT_7 ::=
                    {
                        System.Object RESULT = null;

                        update_precedence(assoc.left);

                        CUP_parser_result = new Symbol(50, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 42:
                    // precedence_l ::= preced
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(33, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 41:
                    // precedence_l ::= precedence_l preced
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(33, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 40:
                    // precedence_list ::= empty
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(30, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 39:
                    // precedence_list ::= precedence_l
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(30, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 38:
                    // non_term_name_list ::= new_non_term_id
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(21, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 37:
                    // non_term_name_list ::= non_term_name_list COMMA new_non_term_id
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(21, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 36:
                    // term_name_list ::= new_term_id
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(20, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 35:
                    // term_name_list ::= term_name_list COMMA new_term_id
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(20, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 34:
                    // declares_non_term ::= non_term_name_list NT_6 SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_6
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        CUP_parser_result = new Symbol(35, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 33:
                    // NT_6 ::=
                    {
                        System.Object RESULT = null;

                        /* reset the accumulated multipart name */
                        multipart_name = new string("".ToCharArray());

                        CUP_parser_result = new Symbol(49, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 32:
                    // declares_term ::= term_name_list NT_5 SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_5
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        CUP_parser_result = new Symbol(34, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 31:
                    // NT_5 ::=
                    {
                        System.Object RESULT = null;

                        /* reset the accumulated multipart name */
                        multipart_name = new string("".ToCharArray());

                        CUP_parser_result = new Symbol(48, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 30:
                    // symbol ::= non_terminal error NT_4 SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_4
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        CUP_parser_result = new Symbol(18, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 3)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 29:
                    // NT_4 ::=
                    {
                        System.Object RESULT = null;

                        /* reset the accumulated multipart name */
                        multipart_name = new string("".ToCharArray());

                        CUP_parser_result = new Symbol(47, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 28:
                    // symbol ::= TERMINAL error NT_3 SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_3
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        CUP_parser_result = new Symbol(18, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 3)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 27:
                    // NT_3 ::=
                    {
                        System.Object RESULT = null;

                        /* reset the accumulated multipart name */
                        multipart_name = new string("".ToCharArray());

                        CUP_parser_result = new Symbol(46, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 26:
                    // symbol ::= non_terminal declares_non_term
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(18, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 25:
                    // symbol ::= non_terminal type_id declares_non_term
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(18, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 24:
                    // symbol ::= TERMINAL declares_term
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(18, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 23:
                    // symbol ::= TERMINAL type_id declares_term
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(18, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 22:
                    // symbol_list ::= symbol
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(10, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 21:
                    // symbol_list ::= symbol_list symbol
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(10, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 20:
                    // scan_code ::= SCAN WITH CODE_STRING opt_semi
                    {
                        System.Object RESULT = null;
                        int user_codeleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left;
                        int user_coderight = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).right;
                        System.String user_code = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        if (emit.scan_code != null)
                            lexer.emit_error("Redundant scan code (skipping)");
                        else
                            emit.scan_code = user_code;

                        CUP_parser_result = new Symbol(17, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 3)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 19:
                    // init_code ::= INIT WITH CODE_STRING opt_semi
                    {
                        System.Object RESULT = null;
                        int user_codeleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left;
                        int user_coderight = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).right;
                        System.String user_code = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        if (emit.init_code != null)
                            lexer.emit_error("Redundant init code (skipping)");
                        else
                            emit.init_code = user_code;

                        CUP_parser_result = new Symbol(16, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 3)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 18:
                    // parser_code_part ::= PARSER CODE CODE_STRING opt_semi
                    {
                        System.Object RESULT = null;
                        int user_codeleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left;
                        int user_coderight = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).right;
                        System.String user_code = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        if (emit.parser_code != null)
                            lexer.emit_error("Redundant parser code (skipping)");
                        else
                            emit.parser_code = user_code;

                        CUP_parser_result = new Symbol(9, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 3)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 17:
                    // action_code_part ::= ACTION CODE CODE_STRING opt_semi
                    {
                        System.Object RESULT = null;
                        int user_codeleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left;
                        int user_coderight = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).right;
                        System.String user_code = (string) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        if (emit.action_code != null)
                            lexer.emit_error("Redundant action code (skipping)");
                        else
                            emit.action_code = user_code;

                        CUP_parser_result = new Symbol(4, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 3)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 16:
                    // code_parts ::= code_parts code_part
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(5, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 15:
                    // code_parts ::=
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(5, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 14:
                    // code_part ::= scan_code
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(6, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 13:
                    // code_part ::= init_code
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(6, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 12:
                    // code_part ::= parser_code_part
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(6, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 11:
                    // code_part ::= action_code_part
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(6, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 10:
                    // import_spec ::= IMPORT import_id NT_2 SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_2
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        CUP_parser_result = new Symbol(14, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 3)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 9:
                    // NT_2 ::=
                    {
                        System.Object RESULT = null;

                        /* save this import on the imports list */
                        emit.import_list.Push(multipart_name);

                        /* reset the accumulated multipart name */
                        multipart_name = new string("".ToCharArray());

                        CUP_parser_result = new Symbol(45, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 8:
                    // import_list ::= empty
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(3, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 7:
                    // import_list ::= import_list import_spec
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(3, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 6:
                    // package_spec ::= empty
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(2, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 5:
                    // package_spec ::= PACKAGE multipart_id NT_1 SEMI
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_1
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;

                        CUP_parser_result = new Symbol(2, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 3)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 4:
                    // NT_1 ::=
                    {
                        System.Object RESULT = null;

                        /* save the package name */
                        emit.namespace_name = multipart_name;

                        /* reset the accumulated multipart name */
                        multipart_name = new string("".ToCharArray());

                        CUP_parser_result = new Symbol(44, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 3:
                    // spec ::= error symbol_list precedence_list start_spec production_list
                    {
                        System.Object RESULT = null;

                        CUP_parser_result = new Symbol(1, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 4)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 2:
                    // spec ::= NT_0 package_spec import_list code_parts symbol_list precedence_list start_spec production_list
                    {
                        System.Object RESULT = null;
                        // propagate RESULT from NT_0
                        if (((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 7)).value_Renamed != null)
                            RESULT = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 7)).value_Renamed;

                        CUP_parser_result = new Symbol(1, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 7)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 1:
                    // NT_0 ::=
                    {
                        System.Object RESULT = null;

                        /* declare "error" as a terminal */
                        SupportClass.PutElement(symbols, "error", new symbol_part(terminal.error));

                        /* declare start non terminal */
                        SupportClass.PutElement(non_terms, "_START", non_terminal.START_nt);

                        CUP_parser_result = new Symbol(43, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    return CUP_parser_result;

                    /*. . . . . . . . . . . . . . . . . . . .*/

                case 0:
                    // _START ::= spec EOF
                    {
                        System.Object RESULT = null;
                        int start_valleft = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left;
                        int start_valright = ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).right;
                        System.Object start_val = (object) ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).value_Renamed;
                        RESULT = start_val;
                        CUP_parser_result = new Symbol(0, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((Symbol) CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
                    }
                    /* ACCEPT */
                    CUP_parser_parser.done_parsing();
                    return CUP_parser_result;

                    /* . . . . . .*/

                default:
                    throw new System.Exception("Invalid action number found in internal parse table");

            }
        }
コード例 #2
0
ファイル: lr_parser.cs プロジェクト: BeyondOrdinary/CUP
        /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
        /// <summary>Put the (real) parse stack into error recovery configuration by 
        /// popping the stack down to a state that can shift on the special 
        /// error Symbol, then doing the shift.  If no suitable state exists on 
        /// the stack we return false 
        /// *
        /// </summary>
        /// <param name="debug">should we produce debugging messages as we parse.
        /// 
        /// </param>
        protected virtual bool find_recovery_config(bool debug)
        {
            Symbol error_token;
            int act;

            if (debug)
                debug_message("# Finding recovery state on stack");

            /* Remember the right-position of the top symbol on the stack */
            int right_pos = ((Symbol) stack.Peek()).right;
            int left_pos = ((Symbol) stack.Peek()).left;

            /* pop down until we can shift under error Symbol */
            while (!shift_under_error())
            {
                /* pop the stack */
                if (debug)
                    debug_message("# Pop stack by one, state was # " + ((Symbol) stack.Peek()).parse_state);
                left_pos = ((Symbol) stack.Pop()).left;
                tos--;

                /* if we have hit bottom, we fail */
                if ((stack.Count == 0))
                {
                    if (debug)
                        debug_message("# No recovery state found on stack");
                    return false;
                }
            }

            /* state on top of the stack can shift under error, find the shift */
            act = get_action(((Symbol) stack.Peek()).parse_state, error_sym());
            if (debug)
            {
                debug_message("# Recover state found (#" + ((Symbol) stack.Peek()).parse_state + ")");
                debug_message("# Shifting on error to state #" + (act - 1));
            }

            /* build and shift a special error Symbol */
            error_token = new Symbol(error_sym(), left_pos, right_pos);
            error_token.parse_state = act - 1;
            error_token.used_by_parser = true;
            System.Object temp_object;
            temp_object = error_token;
            System.Object generatedAux = temp_object;
            stack.Push(temp_object);
            tos++;

            return true;
        }
コード例 #3
0
ファイル: parser.cs プロジェクト: BeyondOrdinary/CUP
        /** Method with the actual generated action code. */
        public CUP.runtime.Symbol CUP_parser_do_action(
    int                        CUP_parser_act_num,
    CUP.runtime.lr_parser CUP_parser_parser,
    CUP.runtime.SymbolStack            CUP_parser_stack,
    int                        CUP_parser_top)
        {
            /* Symbol object for return from actions */
              CUP.runtime.Symbol CUP_parser_result;

              /* select the action based on the action number */
              switch (CUP_parser_act_num)
            {
              /*. . . . . . . . . . . . . . . . . . . .*/
              case 13: // expr ::= LPAREN expr RPAREN
            {
              decimal RESULT  = decimal.Zero;
            int eleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-1)).left;
            int eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-1)).right;
            decimal e = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-1)).Value;
             RESULT = e;
              CUP_parser_result = new CUP.runtime.Symbol(3/*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 12: // expr ::= MINUS expr
            {
              decimal RESULT  = decimal.Zero;
            int eleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left;
            int eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right;
            decimal e = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-0)).Value;

             RESULT = -e;

              CUP_parser_result = new CUP.runtime.Symbol(3/*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-1)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 11: // expr ::= REAL
            {
              decimal RESULT  = decimal.Zero;
            int nleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left;
            int nright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right;
            decimal n = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-0)).Value;

              RESULT = n;

              CUP_parser_result = new CUP.runtime.Symbol(3/*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 10: // expr ::= INTEGER
            {
              decimal RESULT  = decimal.Zero;
            int nleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left;
            int nright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right;
            int n = (int)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-0)).Value;

              RESULT = n;

              CUP_parser_result = new CUP.runtime.Symbol(3/*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 9: // expr ::= expr MOD expr
            {
              decimal RESULT  = decimal.Zero;
            int e1left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left;
            int e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).right;
            decimal e1 = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-2)).Value;
            int e2left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left;
            int e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right;
            decimal e2 = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-0)).Value;

             RESULT = (decimal)((int)e1 % (int)e2);

              CUP_parser_result = new CUP.runtime.Symbol(3/*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 8: // expr ::= expr DIVIDE expr
            {
              decimal RESULT  = decimal.Zero;
            int e1left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left;
            int e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).right;
            decimal e1 = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-2)).Value;
            int e2left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left;
            int e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right;
            decimal e2 = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-0)).Value;

             RESULT = e1 / e2;

              CUP_parser_result = new CUP.runtime.Symbol(3/*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 7: // expr ::= expr TIMES expr
            {
              decimal RESULT  = decimal.Zero;
            int e1left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left;
            int e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).right;
            decimal e1 = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-2)).Value;
            int e2left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left;
            int e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right;
            decimal e2 = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-0)).Value;

             RESULT = e1 * e2;

              CUP_parser_result = new CUP.runtime.Symbol(3/*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 6: // expr ::= expr MINUS expr
            {
              decimal RESULT  = decimal.Zero;
            int e1left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left;
            int e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).right;
            decimal e1 = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-2)).Value;
            int e2left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left;
            int e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right;
            decimal e2 = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-0)).Value;

             RESULT = e1 - e2;

              CUP_parser_result = new CUP.runtime.Symbol(3/*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 5: // expr ::= expr PLUS expr
            {
              decimal RESULT  = decimal.Zero;
            int e1left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left;
            int e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).right;
            decimal e1 = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-2)).Value;
            int e2left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left;
            int e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right;
            decimal e2 = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-0)).Value;

             RESULT = e1 + e2;

              CUP_parser_result = new CUP.runtime.Symbol(3/*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 4: // expr_part ::= expr NT$0 SEMI
            {
              decimal RESULT  = decimal.Zero;
              // propagate RESULT from NT$0
              if ( ((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-1)).Value != null )
                RESULT = (decimal) ((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-1)).Value;
            int eleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left;
            int eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).right;
            decimal e = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-2)).Value;

              CUP_parser_result = new CUP.runtime.Symbol(2/*expr_part*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 3: // NT$0 ::=
            {
              Object RESULT = null;
            int eleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left;
            int eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right;
            decimal e = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-0)).Value;
             RESULT = e;
             Console.WriteLine("= " + e);

              CUP_parser_result = new CUP.runtime.Symbol(4/*NT$0*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 2: // expr_list ::= expr_part
            {
              decimal RESULT  = decimal.Zero;
            int eleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left;
            int eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right;
            decimal e = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-0)).Value;
             RESULT = e;
              CUP_parser_result = new CUP.runtime.Symbol(1/*expr_list*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 1: // $START ::= expr_list EOF
            {
              Object RESULT = null;
            int start_valleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-1)).left;
            int start_valright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-1)).right;
            decimal start_val = (decimal)((CUP.runtime.Symbol) CUP_parser_stack.Peek(CUP_parser_top-1)).Value;
            RESULT = start_val;
              CUP_parser_result = new CUP.runtime.Symbol(0/*$START*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-1)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              /* ACCEPT */
              CUP_parser_parser.done_parsing();
              return CUP_parser_result;

              /*. . . . . . . . . . . . . . . . . . . .*/
              case 0: // expr_list ::= expr_list expr_part
            {
              decimal RESULT  = decimal.Zero;

              CUP_parser_result = new CUP.runtime.Symbol(1/*expr_list*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-1)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top-0)).right, RESULT);
            }
              return CUP_parser_result;

              /* . . . . . .*/
              default:
            throw new Exception(
               "Invalid action number found in internal parse table");

            }
        }
コード例 #4
0
ファイル: lr_parser.cs プロジェクト: BeyondOrdinary/CUP
 /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
 /// <summary>This method is called when a syntax error has been detected and recovery 
 /// is about to be invoked.  Here in the base class we just emit a 
 /// "Syntax error" error message.  
 /// *
 /// </summary>
 /// <param name="cur_token">the current lookahead Symbol.
 /// 
 /// </param>
 public virtual void syntax_error(Symbol cur_token)
 {
     report_error("Syntax error", cur_token);
 }
コード例 #5
0
ファイル: lr_parser.cs プロジェクト: BeyondOrdinary/CUP
 /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
 /// <summary>This method is called if it is determined that syntax error recovery 
 /// has been unsuccessful.  Here in the base class we report a fatal error. 
 /// *
 /// </summary>
 /// <param name="cur_token">the current lookahead Symbol.
 /// 
 /// </param>
 public virtual void unrecovered_syntax_error(Symbol cur_token)
 {
     report_fatal_error("Couldn't repair and continue parse", cur_token);
 }
コード例 #6
0
ファイル: lr_parser.cs プロジェクト: BeyondOrdinary/CUP
        /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
        /// <summary>This method provides the main parsing routine.  It returns only when 
        /// done_parsing() has been called (typically because the parser has 
        /// accepted, or a fatal error has been reported).  See the header 
        /// documentation for the class regarding how shift/reduce parsers operate
        /// and how the various tables are used.
        /// </summary>
        public virtual Symbol parse()
        {
            /* the current action code */
            int act;

            /* the Symbol/stack element returned by a reduce */
            Symbol lhs_sym = null;

            /* information about production being reduced with */
            short handle_size, lhs_sym_num;

            /* set up direct reference to tables to drive the parser */

            production_tab = production_table();
            action_tab = action_table();
            reduce_tab = reduce_table();

            /* initialize the action encapsulation object */
            init_actions();

            /* do user initialization */
            user_init();

            /* get the first token */
            cur_token = scan();

            /* push dummy Symbol with start state to get us underway */
            stack.Clear();
            System.Object temp_object;
            temp_object = new Symbol(0, start_state());
            System.Object generatedAux = temp_object;
            stack.Push(temp_object);
            tos = 0;

            /* continue until we are told to stop */
             for (_done_parsing = false; !_done_parsing; )
            {
                /* Check current token for freshness. */
                if (cur_token.used_by_parser)
                    throw new System.ApplicationException("Symbol recycling detected (fix your scanner).");

                /* current state is always on the top of the stack */

                /* look up action out of the current state with the current input */
                act = get_action(((Symbol) stack.Peek()).parse_state, cur_token.sym);

                /* decode the action -- > 0 encodes shift */
                if (act > 0)
                {
                    /* shift to the encoded state by pushing it on the stack */
                    cur_token.parse_state = act - 1;
                    cur_token.used_by_parser = true;
                    System.Object temp_object2;
                    temp_object2 = cur_token;
                    System.Object generatedAux2 = temp_object2;
                    stack.Push(temp_object2);
                    tos++;

                    /* advance to the next Symbol */
                    cur_token = scan();
                }
                else if (act < 0)
                {
                    /* perform the action for the reduce */
                    lhs_sym = do_action((- act) - 1, this, stack, tos);

                    /* look up information about the production */
                    lhs_sym_num = production_tab[(- act) - 1][0];
                    handle_size = production_tab[(- act) - 1][1];

                    /* pop the handle off the stack */
                     for (int i = 0; i < handle_size; i++)
                    {
                        stack.Pop();
                        tos--;
                    }

                    /* look up the state to go to from the one popped back to */
                    act = get_reduce(((Symbol) stack.Peek()).parse_state, lhs_sym_num);

                    /* shift to that state */
                    lhs_sym.parse_state = act;
                    lhs_sym.used_by_parser = true;
                    System.Object temp_object3;
                    temp_object3 = lhs_sym;
                    System.Object generatedAux3 = temp_object3;
                    stack.Push(temp_object3);
                    tos++;
                }
                else if (act == 0)
                {
                    /* call user syntax error reporting routine */
                    syntax_error(cur_token);

                    /* try to error recover */
                    if (!error_recovery(false))
                    {
                        /* if that fails give up with a fatal syntax error */
                        unrecovered_syntax_error(cur_token);

                        /* just in case that wasn't fatal enough, end parse */
                        done_parsing();
                    }
                    else
                    {
                        lhs_sym = (Symbol) stack.Peek();
                    }
                }
            }
            return lhs_sym;
        }
コード例 #7
0
ファイル: lr_parser.cs プロジェクト: BeyondOrdinary/CUP
 /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
 /// <summary>Do debug output for shift. 
 /// *
 /// </summary>
 /// <param name="shift_tkn">the Symbol being shifted onto the stack.
 /// 
 /// </param>
 public virtual void debug_shift(Symbol shift_tkn)
 {
     debug_message("# Shift under term #" + shift_tkn.sym + " to state #" + shift_tkn.parse_state);
 }
コード例 #8
0
ファイル: lr_parser.cs プロジェクト: BeyondOrdinary/CUP
        /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
        /// <summary>Reset the parse ahead input to one Symbol past where we started error 
        /// recovery (this consumes one new Symbol from the real input). 
        /// </summary>
        protected virtual void restart_lookahead()
        {
            /* move all the existing input over */
             for (int i = 1; i < error_sync_size(); i++)
                lookahead[i - 1] = lookahead[i];

            /* read a new Symbol into the last spot */
            // BUG Fix by Bruce Hutton
            // Computer Science Department, University of Auckland,
            // Auckland, New Zealand. [applied 5-sep-1999 by csa]
            // The following two lines were out of order!!
            lookahead[error_sync_size() - 1] = cur_token;
            cur_token = scan();

            /* reset our internal position marker */
            lookahead_pos = 0;
        }
コード例 #9
0
ファイル: lr_parser.cs プロジェクト: BeyondOrdinary/CUP
        /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
        /// <summary>Read from input to establish our buffer of "parse ahead" lookahead 
        /// Symbols. 
        /// </summary>
        protected virtual void read_lookahead()
        {
            /* create the lookahead array */
            lookahead = new Symbol[error_sync_size()];

            /* fill in the array */
             for (int i = 0; i < error_sync_size(); i++)
            {
                lookahead[i] = cur_token;
                cur_token = scan();
            }

            /* start at the beginning */
            lookahead_pos = 0;
        }
コード例 #10
0
ファイル: parser.cs プロジェクト: rmorgan0076/CUP
        /** Method with the actual generated action code. */
        public CUP.runtime.Symbol CUP_parser_do_action(
            int CUP_parser_act_num,
            CUP.runtime.lr_parser CUP_parser_parser,
            CUP.runtime.SymbolStack CUP_parser_stack,
            int CUP_parser_top)
        {
            /* Symbol object for return from actions */
            CUP.runtime.Symbol CUP_parser_result;

            /* select the action based on the action number */
            switch (CUP_parser_act_num)
            {
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 13: // expr ::= LPAREN expr RPAREN
            {
                decimal RESULT = decimal.Zero;
                int     eleft  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).left;
                int     eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).right;
                decimal e      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).Value;
                RESULT            = e;
                CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 12: // expr ::= MINUS expr
            {
                decimal RESULT = decimal.Zero;
                int     eleft  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                int     eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                decimal e      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;

                RESULT = -e;

                CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 11: // expr ::= REAL
            {
                decimal RESULT = decimal.Zero;
                int     nleft  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                int     nright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                decimal n      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;

                RESULT = n;

                CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 10: // expr ::= INTEGER
            {
                decimal RESULT = decimal.Zero;
                int     nleft  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                int     nright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                int     n      = (int)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;

                RESULT = n;

                CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 9: // expr ::= expr MOD expr
            {
                decimal RESULT  = decimal.Zero;
                int     e1left  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
                int     e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
                decimal e1      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
                int     e2left  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                int     e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                decimal e2      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;

                RESULT = (decimal)((int)e1 % (int)e2);

                CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 8: // expr ::= expr DIVIDE expr
            {
                decimal RESULT  = decimal.Zero;
                int     e1left  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
                int     e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
                decimal e1      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
                int     e2left  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                int     e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                decimal e2      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;

                RESULT = e1 / e2;

                CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 7: // expr ::= expr TIMES expr
            {
                decimal RESULT  = decimal.Zero;
                int     e1left  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
                int     e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
                decimal e1      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
                int     e2left  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                int     e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                decimal e2      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;

                RESULT = e1 * e2;

                CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 6: // expr ::= expr MINUS expr
            {
                decimal RESULT  = decimal.Zero;
                int     e1left  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
                int     e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
                decimal e1      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
                int     e2left  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                int     e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                decimal e2      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;

                RESULT = e1 - e2;

                CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 5: // expr ::= expr PLUS expr
            {
                decimal RESULT  = decimal.Zero;
                int     e1left  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
                int     e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
                decimal e1      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
                int     e2left  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                int     e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                decimal e2      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;

                RESULT = e1 + e2;

                CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 4: // expr_part ::= expr NT$0 SEMI
            {
                decimal RESULT = decimal.Zero;
                // propagate RESULT from NT$0
                if (((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).Value != null)
                {
                    RESULT = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).Value;
                }
                int     eleft  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
                int     eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
                decimal e      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;

                CUP_parser_result = new CUP.runtime.Symbol(2 /*expr_part*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 3: // NT$0 ::=
            {
                Object  RESULT = null;
                int     eleft  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                int     eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                decimal e      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
                RESULT = e;
                Console.WriteLine("= " + e);

                CUP_parser_result = new CUP.runtime.Symbol(4 /*NT$0*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 2: // expr_list ::= expr_part
            {
                decimal RESULT = decimal.Zero;
                int     eleft  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
                int     eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
                decimal e      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
                RESULT            = e;
                CUP_parser_result = new CUP.runtime.Symbol(1 /*expr_list*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 1: // $START ::= expr_list EOF
            {
                Object  RESULT         = null;
                int     start_valleft  = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).left;
                int     start_valright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).right;
                decimal start_val      = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).Value;
                RESULT            = start_val;
                CUP_parser_result = new CUP.runtime.Symbol(0 /*$START*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                /* ACCEPT */
                CUP_parser_parser.done_parsing();
                return(CUP_parser_result);

            /*. . . . . . . . . . . . . . . . . . . .*/
            case 0: // expr_list ::= expr_list expr_part
            {
                decimal RESULT = decimal.Zero;

                CUP_parser_result = new CUP.runtime.Symbol(1 /*expr_list*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
            }
                return(CUP_parser_result);

            /* . . . . . .*/
            default:
                throw new Exception(
                          "Invalid action number found in internal parse table");
            }
        }