1 /*

     2  *  matiec - a compiler for the programming languages defined in IEC 61131-3

     3  *

     4  *  Copyright (C) 2012  Mario de Sousa (msousa@fe.up.pt)

     5  *

     6  *  This program is free software: you can redistribute it and/or modify

     7  *  it under the terms of the GNU General Public License as published by

     8  *  the Free Software Foundation, either version 3 of the License, or

     9  *  (at your option) any later version.

    10  *

    11  *  This program is distributed in the hope that it will be useful,

    12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of

    13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    14  *  GNU General Public License for more details.

    15  *

    16  *  You should have received a copy of the GNU General Public License

    17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.

    18  *

    19  *

    20  * This code is made available on the understanding that it will not be

    21  * used in safety-critical situations without a full and competent review.

    22  */

    23 

    24 /*

    25  * An IEC 61131-3 compiler.

    26  *

    27  * Based on the

    28  * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)

    29  *

    30  */

    31 

    32 

    33 #include "../absyntax_utils/absyntax_utils.hh"

    34 

    35 class populate_enumvalue_symtable_c;

    36 

    37 class enum_declaration_check_c : public iterator_visitor_c {

    38   private:

    39     int error_count;

    40     int current_display_error_level;

    41     populate_enumvalue_symtable_c *populate_enumvalue_symtable;

    42     symbol_c::enumvalue_symtable_t *global_enumvalue_symtable;

    43     

    44   public:

    45      enum_declaration_check_c(symbol_c *ignore);

    46     ~enum_declaration_check_c(void);

    47     int get_error_count();

    48 

    49     

    50     /***************************/

    51     /* B 0 - Programming Model */

    52     /***************************/

    53     void *visit(library_c *symbol);

    54 

    55     /**********************/

    56     /* B.1.3 - Data types */

    57     /**********************/

    58     void *visit(data_type_declaration_c *symbol);

    59   

    60     /***********************/

    61     /* B 1.5.1 - Functions */

    62     /***********************/

    63     void *visit(function_declaration_c *symbol);

    64    

    65     /*****************************/

    66     /* B 1.5.2 - Function Blocks */

    67     /*****************************/

    68     void *visit(function_block_declaration_c *symbol);

    69 

    70     /******************************************/

    71     /* B 1.5.3 - Declaration & Initialisation */

    72     /******************************************/

    73     void *visit(program_declaration_c *symbol);

    74 

    75     /********************************/

    76     /* B 1.7 Configuration elements */

    77     /********************************/

    78     void *visit(configuration_declaration_c *symbol);

    79     void *visit(resource_declaration_c *symbol);

    80     void *visit(single_resource_declaration_c *symbol);    

    81 };