+ case para_LcontPush:
+ lse = mknew(struct listitem_stack_entry);
+ lse->listitem = state->listitem;
+ lse->prev = *prev;
+ stk_push(state->listitem_stack, lse);
+ state->listitem = 0;
+ break;
+ case para_LcontPop:
+ lse = (struct listitem_stack_entry *)stk_pop(state->listitem_stack);
+ state->listitem = lse->listitem;
+ thistype = lse->prev;
+ sfree(lse);
+ break;