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patch 8.2.4688: new regexp engine does not give an error for "\%v"

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Problem:    New regexp engine does not give an error for "\%v".
Solution:   Check for a value argument. (issue #10079)
This commit is contained in:
Bram Moolenaar
2022-04-04 18:32:32 +01:00
parent e8a4c0d91f
commit 91ff3d4f52
5 changed files with 26 additions and 3 deletions
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4
src/errors.h
View File

@@ -3082,7 +3082,7 @@ EXTERN char e_no_white_space_allowed_after_str_str[]
EXTERN char e_dot_can_only_be_used_on_dictionary_str[]
INIT(= N_("E1203: Dot can only be used on a dictionary: %s"));
#endif
EXTERN char e_regexp_number_after_dot_pos_search[]
EXTERN char e_regexp_number_after_dot_pos_search_chr[]
INIT(= N_("E1204: No Number allowed after .: '\\%%%c'"));
EXTERN char e_no_white_space_allowed_between_option_and[]
INIT(= N_("E1205: No white space allowed between option and"));
@@ -3256,3 +3256,5 @@ EXTERN char e_compiling_closure_without_context_str[]
EXTERN char e_using_type_not_in_script_context_str[]
INIT(= N_("E1272: Using type not in a script context: %s"));
#endif
EXTERN char e_nfa_regexp_missing_value_in_chr[]
INIT(= N_("E1273: (NFA regexp) missing value in '\\%%%c'"));

3
src/regexp_bt.c
View File

@@ -1649,7 +1649,8 @@ regatom(int *flagp)
{
if (cur && n)
{
semsg(_(e_regexp_number_after_dot_pos_search), no_Magic(c));
semsg(_(e_regexp_number_after_dot_pos_search_chr),
no_Magic(c));
rc_did_emsg = TRUE;
return NULL;
}

8
src/regexp_nfa.c
View File

@@ -1654,7 +1654,7 @@ nfa_regatom(void)
if (cur)
{
semsg(_(e_regexp_number_after_dot_pos_search),
semsg(_(e_regexp_number_after_dot_pos_search_chr),
no_Magic(c));
return FAIL;
}
@@ -1673,6 +1673,12 @@ nfa_regatom(void)
{
long_u limit = INT_MAX;
if (!cur && n == 0)
{
semsg(_(e_nfa_regexp_missing_value_in_chr),
no_Magic(c));
return FAIL;
}
if (c == 'l')
{
if (cur)

12
src/testdir/test_regexp_latin.vim
View File

@@ -91,6 +91,18 @@ func Test_multi_failure()
set re=0
endfunc
func Test_column_failure()
set re=1
call assert_fails('/\%v', 'E71:')
call assert_fails('/\%c', 'E71:')
call assert_fails('/\%l', 'E71:')
set re=2
call assert_fails('/\%v', 'E1273:')
call assert_fails('/\%c', 'E1273:')
call assert_fails('/\%l', 'E1273:')
set re=0
endfunc
func Test_recursive_addstate()
" This will call addstate() recursively until it runs into the limit.
let lnum = search('\v((){328}){389}')

2
src/version.c
View File

@@ -750,6 +750,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
4688,
/**/
4687,
/**/