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patch 8.2.4682: Vim9: can use :unlockvar for const variable

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Problem:    Vim9: can use :unlockvar for const variable. (Ernie Rael)
Solution:   Check whether the variable is a const.
This commit is contained in:
Bram Moolenaar
2022-04-04 14:58:06 +01:00
parent 15f74fab65
commit 7a411a306f
8 changed files with 62 additions and 23 deletions
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8
src/vim9script.c
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@@ -956,7 +956,7 @@ update_vim9_script_var(
}
else
{
sv = find_typval_in_script(&di->di_tv, 0);
sv = find_typval_in_script(&di->di_tv, 0, TRUE);
}
if (sv != NULL)
{
@@ -1053,10 +1053,11 @@ hide_script_var(scriptitem_T *si, int idx, int func_defined)
/*
* Find the script-local variable that links to "dest".
* If "sid" is zero use the current script.
* if "must_find" is TRUE and "dest" cannot be found report an internal error.
* Returns NULL if not found and give an internal error.
*/
svar_T *
find_typval_in_script(typval_T *dest, scid_T sid)
find_typval_in_script(typval_T *dest, scid_T sid, int must_find)
{
scriptitem_T *si = SCRIPT_ITEM(sid == 0 ? current_sctx.sc_sid : sid);
int idx;
@@ -1076,7 +1077,8 @@ find_typval_in_script(typval_T *dest, scid_T sid)
if (sv->sv_name != NULL && sv->sv_tv == dest)
return sv;
}
iemsg("find_typval_in_script(): not found");
if (must_find)
iemsg("find_typval_in_script(): not found");
return NULL;
}