1 /*

     2  * (c) 20099 Catarina da Costa Boucinha

     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. (2009-04-24)

    22  *

    23  */

    24 

    25 #include "stage3.hh"

    26 

    27 int type_safety(symbol_c *tree_root){

    28 	visit_expression_type_c visit_expression_type(tree_root);

    29 

    30 	(*tree_root).accept(visit_expression_type);

    31 

    32 	return 0;

    33 }

    34 

    35 int stage3(symbol_c *tree_root){

    36 	return type_safety(tree_root);

    37 }