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vim-patch:8.2.2449: Vim9: flatten() always changes the list type

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Problem:    Vim9: flatten() always changes the list type.
Solution:   Disallow using flatten() and add flattennew().

3b69006973

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
zeertzjq
2023-02-24 15:03:28 +08:00
parent 47bc297d81
commit 904d099583
6 changed files with 57 additions and 14 deletions
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9
src/nvim/eval/typval.c
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@@ -654,14 +654,14 @@ tv_list_copy_error:
/// @param[in] maxdepth Maximum depth that will be flattened
///
/// @return OK or FAIL
int tv_list_flatten(list_T *list, long maxdepth)
FUNC_ATTR_NONNULL_ARG(1) FUNC_ATTR_WARN_UNUSED_RESULT
void tv_list_flatten(list_T *list, long maxdepth)
FUNC_ATTR_NONNULL_ARG(1)
{
listitem_T *item;
listitem_T *to_free;
int n;
if (maxdepth == 0) {
return OK;
return;
}
n = 0;
@@ -669,7 +669,7 @@ int tv_list_flatten(list_T *list, long maxdepth)
while (item != NULL) {
fast_breakcheck();
if (got_int) {
return FAIL;
return;
}
if (item->li_tv.v_type == VAR_LIST) {
listitem_T *next = item->li_next;
@@ -695,7 +695,6 @@ int tv_list_flatten(list_T *list, long maxdepth)
item = item->li_next;
}
}
return OK;
}
/// Extend first list with the second