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patch 8.2.2616: Vim9: if 'cpo' is change in Vim9 script it may be restored

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Problem:    Vim9: if 'cpo' is change in Vim9 script it may be restored.
Solution:   Apply the changes to 'cpo' to the restored value.
This commit is contained in:
Bram Moolenaar
2021-03-17 17:46:00 +01:00
parent a4c81bea38
commit 3e1916947d
4 changed files with 41 additions and 4 deletions
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27
src/scriptfile.c
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@@ -1459,6 +1459,33 @@ almosttheend:
si = SCRIPT_ITEM(current_sctx.sc_sid);
if (si->sn_save_cpo != NULL)
{
if (STRCMP(p_cpo, CPO_VIM) != 0)
{
char_u *f;
char_u *t;
// 'cpo' was changed in the script. Apply the same change to the
// saved value, if possible.
for (f = (char_u *)CPO_VIM; *f != NUL; ++f)
if (vim_strchr(p_cpo, *f) == NULL
&& (t = vim_strchr(si->sn_save_cpo, *f)) != NULL)
// flag was removed, also remove it from the saved 'cpo'
mch_memmove(t, t + 1, STRLEN(t));
for (f = p_cpo; *f != NUL; ++f)
if (vim_strchr((char_u *)CPO_VIM, *f) == NULL
&& vim_strchr(si->sn_save_cpo, *f) == NULL)
{
// flag was added, also add it to the saved 'cpo'
t = alloc(STRLEN(si->sn_save_cpo) + 2);
if (t != NULL)
{
*t = *f;
STRCPY(t + 1, si->sn_save_cpo);
vim_free(si->sn_save_cpo);
si->sn_save_cpo = t;
}
}
}
set_option_value((char_u *)"cpo", 0L, si->sn_save_cpo, OPT_NO_REDRAW);
VIM_CLEAR(si->sn_save_cpo);
}