1 /*

     2  * (c) 2003 Mario de Sousa

     3  *

     4  * Offered to the public under the terms of the GNU General Public License

     5  * as published by the Free Software Foundation; either version 2 of the

     6  * License, or (at your option) any later version.

     7  *

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

     9  * WITHOUT ANY WARRANTY; without even the implied warranty of

    10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General

    11  * Public License for more details.

    12  *

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

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

    15  */

    16 

    17 /*

    18  * An IEC 61131-3 IL and ST compiler.

    19  *

    20  * Based on the

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

    22  *

    23  */

    24 

    25 

    26 /* Returns the function block declaration symbol

    27  * of a specific function block type.

    28  */

    29 

    30 class search_fb_typedecl_c: public search_visitor_c {

    31 

    32   private:

    33     symbol_c *search_scope;

    34 

    35     symbol_c *search_name;

    36 

    37   public:

    38     search_fb_typedecl_c(symbol_c *search_scope);

    39     symbol_c *get_decl(symbol_c *fb_type_name);

    40 

    41   private:

    42     /**************************************/

    43     /* B.1.5 - Program organization units */

    44     /**************************************/

    45 

    46     /*****************************/

    47     /* B 1.5.2 - Function Blocks */

    48     /*****************************/

    49     void *visit(function_block_declaration_c *symbol);

    50 

    51     /**********************/

    52     /* B 1.5.3 - Programs */

    53     /**********************/

    54     void *visit(program_declaration_c *symbol);

    55 }; // search_fb_typedecl_c