--- a/stage3/fill_candidate_datatypes.cc	Wed Nov 14 18:37:42 2012 +0000
+++ b/stage3/fill_candidate_datatypes.cc	Wed Nov 14 18:39:02 2012 +0000
@@ -1137,11 +1137,12 @@
 /******************************************/
 
 void *fill_candidate_datatypes_c::visit(var1_list_c *symbol) {
-#if 0   /* We don't really need to set the datatype of each variable. We just check the declaration itself! */
   for(int i = 0; i < symbol->n; i++) {
-    add_datatype_to_candidate_list(symbol->elements[i], search_varfb_instance_type->get_basetype_decl(symbol->elements[i])); /* will only add if non NULL */
+    /* We don't really need to set the datatype of each variable. We just check the declaration itself! 
+    add_datatype_to_candidate_list(symbol->elements[i], search_varfb_instance_type->get_basetype_decl(symbol->elements[i])); // will only add if non NULL 
+    */
+    symbol->elements[i]->accept(*this); // handle the extensible_input_parameter_c, etc...
   }
-#endif
   return NULL;
 }  
 

--- a/stage3/print_datatypes_error.cc	Wed Nov 14 18:37:42 2012 +0000
+++ b/stage3/print_datatypes_error.cc	Wed Nov 14 18:39:02 2012 +0000
@@ -536,11 +536,6 @@
 	return NULL;
 }
 
-void *print_datatypes_error_c::visit(data_type_declaration_c *symbol) {
-	// TODO !!!
-	/* for the moment we must return NULL so semantic analysis of remaining code is not interrupted! */
-	return NULL;
-}
 
 void *print_datatypes_error_c::visit(enumerated_value_c *symbol) {
 	if (symbol->candidate_datatypes.size() == 0)
@@ -648,8 +643,7 @@
 /*********************/
 void *print_datatypes_error_c::visit(function_declaration_c *symbol) {
 	search_varfb_instance_type = new search_varfb_instance_type_c(symbol);
-	/* We do not check for data type errors in variable declarations, Skip this for now... */
-// 	symbol->var_declarations_list->accept(*this);
+ 	symbol->var_declarations_list->accept(*this);
 	if (debug) printf("Print error data types list in body of function %s\n", ((token_c *)(symbol->derived_function_name))->value);
 	il_parenthesis_level = 0;
 	il_error = false;
@@ -664,8 +658,7 @@
 /***************************/
 void *print_datatypes_error_c::visit(function_block_declaration_c *symbol) {
 	search_varfb_instance_type = new search_varfb_instance_type_c(symbol);
-	/* We do not check for data type errors in variable declarations, Skip this for now... */
-// 	symbol->var_declarations->accept(*this);
+ 	symbol->var_declarations->accept(*this);
 	if (debug) printf("Print error data types list in body of FB %s\n", ((token_c *)(symbol->fblock_name))->value);
 	il_parenthesis_level = 0;
 	il_error = false;
@@ -680,7 +673,6 @@
 /**********************/
 void *print_datatypes_error_c::visit(program_declaration_c *symbol) {
 	search_varfb_instance_type = new search_varfb_instance_type_c(symbol);
-	/* We do not check for data type errors in variable declarations, Skip this for now... */
 	symbol->var_declarations->accept(*this);
 	if (debug) printf("Print error data types list in body of program %s\n", ((token_c *)(symbol->program_type_name))->value);
 	il_parenthesis_level = 0;

--- a/stage3/print_datatypes_error.hh	Wed Nov 14 18:37:42 2012 +0000
+++ b/stage3/print_datatypes_error.hh	Wed Nov 14 18:39:02 2012 +0000
@@ -159,7 +159,7 @@
     /* B 1.3.3 - Derived data types */
     /********************************/
     void *visit(simple_spec_init_c *symbol);
-    void *visit(data_type_declaration_c *symbol);
+//  void *visit(data_type_declaration_c *symbol); /* use base iterator_c method! */
     void *visit(enumerated_value_c *symbol);
 
     /*********************/

--- a/stage4/generate_c/generate_c_typedecl.cc	Wed Nov 14 18:37:42 2012 +0000
+++ b/stage4/generate_c/generate_c_typedecl.cc	Wed Nov 14 18:39:02 2012 +0000
@@ -323,7 +323,7 @@
     }
     symbol_c *type_name = get_datatype_info_c::get_datatype_id(symbol->datatype);
     if (NULL == type_name) {
-      ERROR_MSG("generate_c does not support anonymous enumerated data types.");
+//       ERROR_MSG("generate_c does not support anonymous enumerated data types.");
     } else
     type_name->accept(*basedecl);
   }