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-rw-r--r--src/nvim/option.c23
-rw-r--r--src/nvim/testdir/test_options.vim8
2 files changed, 23 insertions, 8 deletions
diff --git a/src/nvim/option.c b/src/nvim/option.c
index 83d56c01fe..897c12a6c4 100644
--- a/src/nvim/option.c
+++ b/src/nvim/option.c
@@ -335,6 +335,9 @@ static char_u SHM_ALL[] = {
0,
};
+static char e_unclosed_expression_sequence[] = N_("E540: Unclosed expression sequence");
+static char e_unbalanced_groups[] = N_("E542: unbalanced groups");
+
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "option.c.generated.h"
#endif
@@ -2918,8 +2921,8 @@ ambw_end:
curbuf->b_help = (curbuf->b_p_bt[0] == 'h');
redraw_titles();
}
- } else if (gvarp == &p_stl || varp == &p_ruf) {
- // 'statusline' or 'rulerformat'
+ } else if (gvarp == &p_stl || varp == &p_tal || varp == &p_ruf) {
+ // 'statusline', 'tabline' or 'rulerformat'
int wid;
if (varp == &p_ruf) { // reset ru_wid first
@@ -2938,7 +2941,7 @@ ambw_end:
errmsg = check_stl_option(p_ruf);
}
} else if (varp == &p_ruf || s[0] != '%' || s[1] != '!') {
- // check 'statusline' only if it doesn't start with "%!"
+ // check 'statusline' or 'tabline' only if it doesn't start with "%!"
errmsg = check_stl_option(s);
}
if (varp == &p_ruf && errmsg == NULL) {
@@ -3724,7 +3727,7 @@ static char *set_chars_option(win_T *wp, char_u **varp, bool set)
}
/// Check validity of options with the 'statusline' format.
-/// Return error message or NULL.
+/// Return an untranslated error message or NULL.
char *check_stl_option(char_u *s)
{
int groupdepth = 0;
@@ -3773,18 +3776,22 @@ char *check_stl_option(char_u *s)
return illegal_char(errbuf, sizeof(errbuf), *s);
}
if (*s == '{') {
- int reevaluate = (*s == '%');
- s++;
+ bool reevaluate = (*++s == '%');
+
+ if (reevaluate && *++s == '}') {
+ // "}" is not allowed immediately after "%{%"
+ return illegal_char(errbuf, sizeof(errbuf), '}');
+ }
while ((*s != '}' || (reevaluate && s[-1] != '%')) && *s) {
s++;
}
if (*s != '}') {
- return N_("E540: Unclosed expression sequence");
+ return e_unclosed_expression_sequence;
}
}
}
if (groupdepth != 0) {
- return N_("E542: unbalanced groups");
+ return e_unbalanced_groups;
}
return NULL;
}
diff --git a/src/nvim/testdir/test_options.vim b/src/nvim/testdir/test_options.vim
index 8612b7013b..d16d89ec2e 100644
--- a/src/nvim/testdir/test_options.vim
+++ b/src/nvim/testdir/test_options.vim
@@ -281,8 +281,16 @@ func Test_set_errors()
call assert_fails('set rulerformat=%15(%%', 'E542:')
call assert_fails('set statusline=%$', 'E539:')
call assert_fails('set statusline=%{', 'E540:')
+ call assert_fails('set statusline=%{%', 'E540:')
+ call assert_fails('set statusline=%{%}', 'E539:')
call assert_fails('set statusline=%(', 'E542:')
call assert_fails('set statusline=%)', 'E542:')
+ call assert_fails('set tabline=%$', 'E539:')
+ call assert_fails('set tabline=%{', 'E540:')
+ call assert_fails('set tabline=%{%', 'E540:')
+ call assert_fails('set tabline=%{%}', 'E539:')
+ call assert_fails('set tabline=%(', 'E542:')
+ call assert_fails('set tabline=%)', 'E542:')
if has('cursorshape')
" This invalid value for 'guicursor' used to cause Vim to crash.