--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stage4/generate_c/search_fb_typedecl.cc	Tue Feb 26 10:59:48 2008 +0100
@@ -0,0 +1,73 @@
+/*
+ * (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) {
+      this->search_scope = search_scope;
+    }
+    
+      symbol_c *get_decl(symbol_c *fb_type_name) {
+      this->search_name = fb_type_name;
+      return (symbol_c *)search_scope->accept(*this);
+    }
+
+  public:
+/**************************************/
+/* B.1.5 - Program organization units */
+/**************************************/
+
+/*****************************/
+/* B 1.5.2 - Function Blocks */
+/*****************************/
+    void *visit(function_block_declaration_c *symbol) {
+      if (compare_identifiers(symbol->fblock_name, search_name) == 0)
+        return symbol;
+      return NULL;
+    }
+
+/**********************/
+/* B 1.5.3 - Programs */
+/**********************/
+    void *visit(program_declaration_c *symbol) {
+      if (compare_identifiers(symbol->program_type_name, search_name) == 0)
+        return symbol;
+      return NULL;
+    }
+};
+
+
+
+