more progress

tac/main.c

     if (op == AUTO) printf("param %s\n", stok(ptr->elem->dst));
     if (op == APPLY) printf("call %s, %s\n", stok(ptr->elem->dst), stok(ptr->elem->tgt));
     if (op == 278) printf("arg %s\n", stok(ptr->elem->dst));
+    if (op == 279) printf("end %s\n", stok(ptr->elem->dst));
     ptr = ptr->next;
   }
 }
       }
     }
     build_tac(tree->right, tac);
+    new_tac(tac, (TOKEN*) tree->left->right->left->left, NULL, NULL, 279);
   } else if (type == APPLY) {
     TOKEN* ret_val = gen_tmp();
     if (tree->right != NULL) {