mario@181: /*
msousa@265:  *  matiec - a compiler for the programming languages defined in IEC 61131-3
mario@181:  *
msousa@265:  *  Copyright (C) 2003-2011  Mario de Sousa (msousa@fe.up.pt)
mario@181:  *
msousa@265:  *  This program is free software: you can redistribute it and/or modify
msousa@265:  *  it under the terms of the GNU General Public License as published by
msousa@265:  *  the Free Software Foundation, either version 3 of the License, or
msousa@265:  *  (at your option) any later version.
msousa@265:  *
msousa@265:  *  This program is distributed in the hope that it will be useful,
msousa@265:  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
msousa@265:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
msousa@265:  *  GNU General Public License for more details.
msousa@265:  *
msousa@265:  *  You should have received a copy of the GNU General Public License
msousa@265:  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
msousa@265:  *
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: /*
msousa@265:  * An IEC 61131-3 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: