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/*

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 * (c) 2003 Mario de Sousa

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 *

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

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

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

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 *

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

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 * WITHOUT ANY WARRANTY; without even the implied warranty of

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

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 * Public License for more details.

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 *

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

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

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 */

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/*

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 * An IEC 61131-3 IL and ST compiler.

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 *

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 * Based on the

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

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 *

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 */

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/* Returns the function block declaration symbol

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 * of a specific function block type.

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 */

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#include "absyntax_utils.hh"

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search_fb_typedecl_c::search_fb_typedecl_c(symbol_c *search_scope) {

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  this->search_scope = search_scope;

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}

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symbol_c *search_fb_typedecl_c::get_decl(symbol_c *fb_type_name) {

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  this->search_name = fb_type_name;

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  return (symbol_c *)search_scope->accept(*this);

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}

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/**************************************/

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/* B.1.5 - Program organization units */

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/**************************************/

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/*****************************/

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/* B 1.5.2 - Function Blocks */

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/*****************************/

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void *search_fb_typedecl_c::visit(function_block_declaration_c *symbol) {

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  if (compare_identifiers(symbol->fblock_name, search_name) == 0)

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    return symbol;

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  return NULL;

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}

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/**********************/

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/* B 1.5.3 - Programs */

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/**********************/

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void *search_fb_typedecl_c::visit(program_declaration_c *symbol) {

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  if (compare_identifiers(symbol->program_type_name, search_name) == 0)

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    return symbol;

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  return NULL;

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}

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