diff -r e8563dcaefca -r 56ebe2a31b5b stage4/generate_c/generate_c_vardecl.cc
--- a/stage4/generate_c/generate_c_vardecl.cc	Mon Apr 03 22:06:40 2017 +0100
+++ b/stage4/generate_c/generate_c_vardecl.cc	Mon Apr 03 22:18:22 2017 +0100
@@ -168,7 +168,7 @@
         s4o.print("(");
         print_variable_prefix();
         s4o.print(",");
-        symbol->elements[i]->accept(*this);
+        symbol->get_element(i)->accept(*this);
         s4o.print(",,temp);\n");
       }
       return NULL;
@@ -249,14 +249,14 @@
                 ERROR;
               if (defined_values_count > 0)
                 s4o.print(",");
-              symbol->elements[i]->accept(*this);
+              symbol->get_element(i)->accept(*this);
               defined_values_count++;
             }
             else {
-              array_initial_elements_c *array_initial_element = dynamic_cast<array_initial_elements_c *>(symbol->elements[i]);
+              array_initial_elements_c *array_initial_element = dynamic_cast<array_initial_elements_c *>(symbol->get_element(i));
             
               if (array_initial_element != NULL) {
-                symbol->elements[i]->accept(*this);
+                symbol->get_element(i)->accept(*this);
               }
             }
             current_initialization_count++;
@@ -414,7 +414,7 @@
     void *visit(structure_element_declaration_list_c *symbol) {
       void *res;
       for (int i = 0; i < symbol->n; i++) {
-        res = symbol->elements[i]->accept(*this);
+        res = symbol->get_element(i)->accept(*this);
         if (res != NULL)
           return res;
       }
@@ -472,7 +472,7 @@
     void *visit(structure_element_initialization_list_c *symbol) {
       void *res;
       for (int i = 0; i < symbol->n; i++) {
-        res = symbol->elements[i]->accept(*this);
+        res = symbol->get_element(i)->accept(*this);
         if (res != NULL)
           return res;
       }
@@ -599,7 +599,7 @@
         s4o.print("(");
         print_variable_prefix();
         s4o.print(",");
-        symbol->elements[i]->accept(*this);
+        symbol->get_element(i)->accept(*this);
         s4o.print(",,temp);\n");
       }
       return NULL;
@@ -974,7 +974,7 @@
       if (NULL == init_list) ERROR;
       
       for (int i = 0; i < init_list->n; i++) {
-        structure_element_initialization_c *init_list_elem = dynamic_cast<structure_element_initialization_c *>(init_list->elements[i]);
+        structure_element_initialization_c *init_list_elem = dynamic_cast<structure_element_initialization_c *>(init_list->get_element(i));
         if (NULL == init_list_elem) ERROR;
         s4o.print("\n");
         s4o.print(s4o.indent_spaces);
@@ -1030,20 +1030,20 @@
             print_variable_prefix();
             s4o.print(",");
           }
-          list->elements[i]->accept(*this);
+          list->get_element(i)->accept(*this);
           if (wanted_varformat != local_vf) {
             if (wanted_varformat == localinit_vf &&
                 (current_vartype & inoutput_vt) != 0) {
               s4o.print(";\n");
               s4o.print(s4o.indent_spaces);
               s4o.print("if (__");
-              list->elements[i]->accept(*this);
+              list->get_element(i)->accept(*this);
               s4o.print(" != NULL) {\n");
               s4o.indent_right();
               s4o.print(s4o.indent_spaces);
-              list->elements[i]->accept(*this);
+              list->get_element(i)->accept(*this);
               s4o.print(" = *__");
-              list->elements[i]->accept(*this);
+              list->get_element(i)->accept(*this);
               s4o.print(";\n");
               s4o.indent_left();
               s4o.print(s4o.indent_spaces);
@@ -1058,7 +1058,7 @@
               this->current_var_init_symbol->accept(*this);
               s4o.print(";\n");
               s4o.print(s4o.indent_spaces);
-              list->elements[i]->accept(*this);
+              list->get_element(i)->accept(*this);
               s4o.print(" = temp;\n");
               s4o.indent_left();
               s4o.print(s4o.indent_spaces);
@@ -1094,7 +1094,7 @@
             s4o.print(" *__");
           else
             s4o.print(" ");
-          list->elements[i]->accept(*this);
+          list->get_element(i)->accept(*this);
           /* We do not print the initial value at function declaration!
            * It is up to the caller to pass the correct default value
            * if none is specified in the ST source code
@@ -1109,13 +1109,13 @@
         for(int i = 0; i < list->n; i++) {
           if ((current_vartype & (output_vt | inoutput_vt)) != 0) {
             s4o.print(s4o.indent_spaces + "if (__");
-            list->elements[i]->accept(*this);
+            list->get_element(i)->accept(*this);
             s4o.print(" != NULL) {\n");
             s4o.indent_right();
             s4o.print(s4o.indent_spaces + "*__");
-            list->elements[i]->accept(*this);
+            list->get_element(i)->accept(*this);
             s4o.print(" = ");
-            list->elements[i]->accept(*this);
+            list->get_element(i)->accept(*this);
             s4o.print(";\n");
             s4o.indent_left();
             s4o.print(s4o.indent_spaces + "}\n");
@@ -1139,7 +1139,7 @@
             s4o.print(FB_INIT_SUFFIX);
             s4o.print("(&");
             this->print_variable_prefix();
-            list->elements[i]->accept(*this);
+            list->get_element(i)->accept(*this);
             print_retain();
             s4o.print(");");
             if (this->current_var_init_symbol != NULL) {
@@ -1152,7 +1152,7 @@
                * __INIT_VAR(data__->my_fb.var1, __INT_LITERAL(42), retain);
                * __INIT_VAR(data__->my_fb.var1, __STRING_LITERAL("hello"), retain);
                */  
-              print_fb_explicit_initial_values(list->elements[i], this->current_var_init_symbol);
+              print_fb_explicit_initial_values(list->get_element(i), this->current_var_init_symbol);
             }
           }
           else if (this->current_var_init_symbol != NULL) {
@@ -1160,7 +1160,7 @@
             s4o.print(INIT_VAR);
             s4o.print("(");
             this->print_variable_prefix();
-            list->elements[i]->accept(*this);
+            list->get_element(i)->accept(*this);
             s4o.print(",");
             this->current_var_init_symbol->accept(*this);
             print_retain();
@@ -2157,7 +2157,7 @@
         if(this->resource_name != NULL)
             this->resource_name->accept(*this);
         s4o.print(",");
-        list->elements[i]->accept(*this);
+        list->get_element(i)->accept(*this);
         s4o.print(")\n");
       }
       break;
@@ -2174,7 +2174,7 @@
           s4o.print("(");
           this->current_var_type_symbol->accept(*this);
           s4o.print(",");
-          list->elements[i]->accept(*this);
+          list->get_element(i)->accept(*this);
           if (this->current_var_init_symbol != NULL) {
             s4o.print(",");
             s4o.print(INITIAL_VALUE);
@@ -2196,7 +2196,7 @@
             this->globalnamespace->accept(*this);
             s4o.print("::");
           }
-          list->elements[i]->accept(*this);
+          list->get_element(i)->accept(*this);
 
           if (this->current_var_init_symbol != NULL) {
             s4o.print(" = ");
@@ -2219,7 +2219,7 @@
         s4o.print("(");
         this->current_var_type_symbol->accept(*this);
         s4o.print(",");
-        list->elements[i]->accept(*this);
+        list->get_element(i)->accept(*this);
         s4o.print(")\n");
       }
       break;