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eval: Replace some tv_list_item_remove() calls

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There is nothing wrong with them, just it is generally better to remove
a range then to remove items individually.
This commit is contained in:
ZyX
2017-12-24 17:52:04 +03:00
parent 2923e8533d
commit 7997147245
3 changed files with 108 additions and 24 deletions
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44
src/nvim/eval.c
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@@ -2887,26 +2887,25 @@ static int do_unlet_var(lval_T *const lp, char_u *const name_end, int forceit)
lp->ll_name_len))) {
return FAIL;
} else if (lp->ll_range) {
listitem_T *li;
listitem_T *ll_li = lp->ll_li;
int ll_n1 = lp->ll_n1;
while (ll_li != NULL && (lp->ll_empty2 || lp->ll_n2 >= ll_n1)) {
li = TV_LIST_ITEM_NEXT(lp->ll_list, ll_li);
if (tv_check_lock(TV_LIST_ITEM_TV(ll_li)->v_lock,
// Delete a range of List items.
listitem_T *const first_li = lp->ll_li;
listitem_T *last_li = first_li;
for (;;) {
listitem_T *const li = TV_LIST_ITEM_NEXT(lp->ll_list, lp->ll_li);
if (tv_check_lock(TV_LIST_ITEM_TV(lp->ll_li)->v_lock,
(const char *)lp->ll_name,
lp->ll_name_len)) {
return false;
}
ll_li = li;
ll_n1++;
}
// Delete a range of List items.
while (lp->ll_li != NULL && (lp->ll_empty2 || lp->ll_n2 >= lp->ll_n1)) {
lp->ll_li = tv_list_item_remove(lp->ll_list, lp->ll_li);
lp->ll_li = li;
lp->ll_n1++;
if (lp->ll_li == NULL || (!lp->ll_empty2 && lp->ll_n2 < lp->ll_n1)) {
break;
} else {
last_li = lp->ll_li;
}
}
tv_list_remove_items(lp->ll_list, first_li, last_li);
} else {
if (lp->ll_list != NULL) {
// unlet a List item.
@@ -13123,16 +13122,13 @@ static void f_readfile(typval_T *argvars, typval_T *rettv, FunPtr fptr)
}
} /* while */
/*
* For a negative line count use only the lines at the end of the file,
* free the rest.
*/
if (maxline < 0)
while (cnt > -maxline) {
tv_list_item_remove(rettv->vval.v_list,
tv_list_first(rettv->vval.v_list));
cnt--;
}
// For a negative line count use only the lines at the end of the file,
// free the rest.
if (maxline < -tv_list_len(rettv->vval.v_list)) {
listitem_T *const first_li = tv_list_find(rettv->vval.v_list, maxline);
listitem_T *const last_li = tv_list_last(rettv->vval.v_list);
tv_list_remove_items(rettv->vval.v_list, first_li, last_li);
}
xfree(prev);
fclose(fd);