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vim-patch:8.2.3747: cannot remove highlight from an existing sign

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Problem:    Cannot remove highlight from an existing sign. (James McCoy)
Solution:   Only reject empty argument for a new sign.
0bac5fc5e1
This commit is contained in:
James McCoy 2021-12-05 21:57:22 -05:00
parent d0b3efb7db
commit 4453d4c9f1
No known key found for this signature in database
GPG Key ID: DFE691AE331BA3DB
2 changed files with 55 additions and 11 deletions
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35
src/nvim/sign.c
View File

@ -943,19 +943,35 @@ int sign_define_by_name(char_u *name, char_u *icon, char_u *linehl, char_u *text
}
if (linehl != NULL) {
sp->sn_line_hl = syn_check_group((char *)linehl, (int)STRLEN(linehl));
if (*linehl == NUL) {
sp->sn_line_hl = 0;
} else {
sp->sn_line_hl = syn_check_group((char *)linehl, (int)STRLEN(linehl));
}
}
if (texthl != NULL) {
sp->sn_text_hl = syn_check_group((char *)texthl, (int)STRLEN(texthl));
if (*texthl == NUL) {
sp->sn_text_hl = 0;
} else {
sp->sn_text_hl = syn_check_group((char *)texthl, (int)STRLEN(texthl));
}
}
if (culhl != NULL) {
sp->sn_cul_hl = syn_check_group((char *)culhl, (int)STRLEN(culhl));
if (*culhl == NUL) {
sp->sn_cul_hl = 0;
} else {
sp->sn_cul_hl = syn_check_group((char *)culhl, (int)STRLEN(culhl));
}
}
if (numhl != NULL) {
sp->sn_num_hl = syn_check_group(numhl, (int)STRLEN(numhl));
if (*numhl == NUL) {
sp->sn_num_hl = 0;
} else {
sp->sn_num_hl = syn_check_group(numhl, (int)STRLEN(numhl));
}
}
return OK;
@ -1153,6 +1169,9 @@ static void sign_define_cmd(char_u *sign_name, char_u *cmdline)
char_u *culhl = NULL;
char_u *numhl = NULL;
int failed = false;
sign_T *sp_prev;
bool exists = sign_find(sign_name, &sp_prev) != NULL;
// set values for a defined sign.
for (;;) {
@ -1169,28 +1188,28 @@ static void sign_define_cmd(char_u *sign_name, char_u *cmdline)
text = vim_strnsave(arg, (size_t)(p - arg));
} else if (STRNCMP(arg, "linehl=", 7) == 0) {
arg += 7;
if (check_empty_group(p - arg, "linehl") == FAIL) {
if (!exists && check_empty_group(p - arg, "linehl") == FAIL) {
failed = true;
break;
}
linehl = vim_strnsave(arg, (size_t)(p - arg));
} else if (STRNCMP(arg, "texthl=", 7) == 0) {
arg += 7;
if (check_empty_group(p - arg, "texthl") == FAIL) {
if (!exists && check_empty_group(p - arg, "texthl") == FAIL) {
failed = true;
break;
}
texthl = vim_strnsave(arg, (size_t)(p - arg));
} else if (STRNCMP(arg, "culhl=", 6) == 0) {
arg += 6;
if (check_empty_group(p - arg, "culhl") == FAIL) {
if (!exists && check_empty_group(p - arg, "culhl") == FAIL) {
failed = true;
break;
}
culhl = vim_strnsave(arg, (size_t)(p - arg));
} else if (STRNCMP(arg, "numhl=", 6) == 0) {
arg += 6;
if (check_empty_group(p - arg, "numhl") == FAIL) {
if (!exists && check_empty_group(p - arg, "numhl") == FAIL) {
failed = true;
break;
}

31
src/nvim/testdir/test_signs.vim
View File

@ -126,9 +126,34 @@ func Test_sign()
" call assert_fails("sign define Sign4 text= linehl=Comment", 'E239:')
call assert_fails("sign define Sign4 text=\\ ab linehl=Comment", 'E239:')
call assert_fails("sign define Sign4 linehl=", 'E1249: Group name missing for linehl')
call assert_fails("sign define Sign4 culhl=", 'E1249: Group name missing for culhl')
call assert_fails("sign define Sign4 texthl=", 'E1249: Group name missing for texthl')
" an empty highlight argument for a new sign is an error
call assert_fails("sign define SignX linehl=", 'E1249: Group name missing for linehl')
call assert_fails("sign define SignX culhl=", 'E1249: Group name missing for culhl')
call assert_fails("sign define SignX texthl=", 'E1249: Group name missing for texthl')
" an empty highlight argument for an existing sign clears it
sign define SignY texthl=TextHl culhl=CulHl linehl=LineHl
let sl = sign_getdefined('SignY')[0]
call assert_equal('TextHl', sl.texthl)
call assert_equal('CulHl', sl.culhl)
call assert_equal('LineHl', sl.linehl)
sign define SignY texthl= culhl=CulHl linehl=LineHl
let sl = sign_getdefined('SignY')[0]
call assert_false(has_key(sl, 'texthl'))
call assert_equal('CulHl', sl.culhl)
call assert_equal('LineHl', sl.linehl)
sign define SignY linehl=
let sl = sign_getdefined('SignY')[0]
call assert_false(has_key(sl, 'linehl'))
call assert_equal('CulHl', sl.culhl)
sign define SignY culhl=
let sl = sign_getdefined('SignY')[0]
call assert_false(has_key(sl, 'culhl'))
sign undefine SignY
" define sign with whitespace
sign define Sign4 text=\ X linehl=Comment