mario@181: /*
mario@181:  * (c) 2003 Mario de Sousa
mario@181:  *
mario@181:  * Offered to the public under the terms of the GNU General Public License
mario@181:  * as published by the Free Software Foundation; either version 2 of the
mario@181:  * License, or (at your option) any later version.
mario@181:  *
mario@181:  * This program is distributed in the hope that it will be useful, but
mario@181:  * WITHOUT ANY WARRANTY; without even the implied warranty of
mario@181:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
mario@181:  * Public License for more details.
mario@181:  *
mario@181:  * This code is made available on the understanding that it will not be
mario@181:  * used in safety-critical situations without a full and competent review.
mario@181:  */
mario@181: 
mario@181: /*
mario@181:  * An IEC 61131-3 IL and ST compiler.
mario@181:  *
mario@181:  * Based on the
mario@181:  * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
mario@181:  *
mario@181:  */
mario@181: 
mario@181: /* Returns the function block declaration symbol
mario@181:  * of a specific function block type.
mario@181:  */
mario@181: 
mario@181: #include "absyntax_utils.hh"
mario@181: 
mario@181: 
mario@181: search_fb_typedecl_c::search_fb_typedecl_c(symbol_c *search_scope) {
mario@181:   this->search_scope = search_scope;
mario@181: }
mario@181: 
mario@181: symbol_c *search_fb_typedecl_c::get_decl(symbol_c *fb_type_name) {
mario@181:   this->search_name = fb_type_name;
mario@181:   return (symbol_c *)search_scope->accept(*this);
mario@181: }
mario@181: /**************************************/
mario@181: /* B.1.5 - Program organization units */
mario@181: /**************************************/
mario@181: 
mario@181: /*****************************/
mario@181: /* B 1.5.2 - Function Blocks */
mario@181: /*****************************/
mario@181: void *search_fb_typedecl_c::visit(function_block_declaration_c *symbol) {
mario@181:   if (compare_identifiers(symbol->fblock_name, search_name) == 0)
mario@181:     return symbol;
mario@181:   return NULL;
mario@181: }
mario@181: 
mario@181: /**********************/
mario@181: /* B 1.5.3 - Programs */
mario@181: /**********************/
mario@181: void *search_fb_typedecl_c::visit(program_declaration_c *symbol) {
mario@181:   if (compare_identifiers(symbol->program_type_name, search_name) == 0)
mario@181:     return symbol;
mario@181:   return NULL;
mario@181: }
mario@181: