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patch 8.2.1178: Vim9: filter function recognized as command modifier

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Problem:    Vim9: filter function recognized as command modifier, leading to a
            crash.
Solution:   Clear cmdmod after freeing items.  Do not recognize a command
            modifier followed by non-white space. (closes #6434)
This commit is contained in:
Bram Moolenaar
2020-07-11 13:40:45 +02:00
parent 18aa13d13b
commit b074e8b8d4
4 changed files with 14 additions and 1 deletions
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6
src/ex_docmd.c
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@@ -2750,6 +2750,10 @@ parse_command_modifiers(exarg_T *eap, char **errormsg, int skip_only)
if (*p == NUL || ends_excmd(*p))
break;
}
// Avoid that "filter(arg)" is recognized.
if (in_vim9script() && !VIM_ISWHITE(*p))
break;
if (skip_only)
p = skip_vimgrep_pat(p, NULL, NULL);
else
@@ -2904,7 +2908,7 @@ parse_command_modifiers(exarg_T *eap, char **errormsg, int skip_only)
}
/*
* Unod and free contents of "cmdmod".
* Undo and free contents of "cmdmod".
*/
void
undo_cmdmod(exarg_T *eap, int save_msg_scroll)