absyntax_utils/search_fb_typedecl.hh
author laurent
Fri, 11 Dec 2009 13:01:17 +0100
changeset 232 29ab33687333
parent 181 38d6eb056260
child 265 4d222f46f8cc
permissions -rw-r--r--
Adding support for making distinction between external variables and located variables for forcing
/*
 * (c) 2003 Mario de Sousa
 *
 * Offered to the public under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 *
 * This code is made available on the understanding that it will not be
 * used in safety-critical situations without a full and competent review.
 */

/*
 * An IEC 61131-3 IL and ST compiler.
 *
 * Based on the
 * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
 *
 */


/* Returns the function block declaration symbol
 * of a specific function block type.
 */

class search_fb_typedecl_c: public search_visitor_c {

  private:
    symbol_c *search_scope;

    symbol_c *search_name;

  public:
    search_fb_typedecl_c(symbol_c *search_scope);
    symbol_c *get_decl(symbol_c *fb_type_name);

  private:
    /**************************************/
    /* B.1.5 - Program organization units */
    /**************************************/

    /*****************************/
    /* B 1.5.2 - Function Blocks */
    /*****************************/
    void *visit(function_block_declaration_c *symbol);

    /**********************/
    /* B 1.5.3 - Programs */
    /**********************/
    void *visit(program_declaration_c *symbol);
}; // search_fb_typedecl_c