finished type checking issues

src/symbol_table.c

@@ -630,6 +630,7 @@ TableNode *getReturn(TableNode *definition) {
             "node has NULL additionalinfo. Invalid.");
         return undefined;
     }
+    printdebug("function:%s with return type %s\n",getName(definition),getName(definition->additionalinfo->FunTypeAdInfo->returntype));
     return definition->additionalinfo->FunTypeAdInfo->returntype;
 }