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patch 8.2.0103: using null object with execute() has strange effects

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Problem:    Using null object with execute() has strange effects.
Solution:   Give an error message ofr Job and Channel.
This commit is contained in:
Bram Moolenaar
2020-01-08 19:32:18 +01:00
parent da292b07af
commit e2a8f0773e
5 changed files with 22 additions and 4 deletions
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2
src/eval.c
View File

@@ -5667,7 +5667,7 @@ tv_get_string_buf_chk(typval_T *varp, char_u *buf)
#endif
break;
case VAR_UNKNOWN:
emsg(_("E908: using an invalid value as a String"));
emsg(_(e_inval_string));
break;
}
return NULL;

6
src/evalfunc.c
View File

@@ -2015,6 +2015,12 @@ execute_common(typval_T *argvars, typval_T *rettv, int arg_off)
return;
++list->lv_refcount;
}
else if (argvars[arg_off].v_type == VAR_JOB
|| argvars[arg_off].v_type == VAR_CHANNEL)
{
emsg(_(e_inval_string));
return;
}
else
{
cmd = tv_get_string_chk(&argvars[arg_off]);

1
src/globals.h
View File

@@ -1599,6 +1599,7 @@ EXTERN char e_listreq[] INIT(= N_("E714: List required"));
EXTERN char e_listblobreq[] INIT(= N_("E897: List or Blob required"));
EXTERN char e_listdictarg[] INIT(= N_("E712: Argument of %s must be a List or Dictionary"));
EXTERN char e_listdictblobarg[] INIT(= N_("E896: Argument of %s must be a List, Dictionary or Blob"));
EXTERN char e_inval_string[] INIT(= N_("E908: using an invalid value as a String"));
#endif
#ifdef FEAT_QUICKFIX
EXTERN char e_readerrf[] INIT(= N_("E47: Error while reading errorfile"));

15
src/testdir/test_execute_func.vim
View File

@@ -38,8 +38,6 @@ func Test_execute_string()
call assert_equal("\nsomething", execute('echo "something"', 'silent!'))
call assert_equal("", execute('burp', 'silent!'))
call assert_fails('call execute("echo \"x\"", 3.4)', 'E806:')
call assert_equal("", execute(test_null_string()))
endfunc
func Test_execute_list()
@@ -50,7 +48,6 @@ func Test_execute_list()
call assert_equal("\n0\n1\n2\n3", execute(l))
call assert_equal("", execute([]))
call assert_equal("", execute(test_null_list()))
endfunc
func Test_execute_does_not_change_col()
@@ -132,3 +129,15 @@ func Test_win_execute_other_tab()
tabclose
unlet xyz
endfunc
func Test_execute_null()
call assert_equal("", execute(test_null_string()))
call assert_equal("", execute(test_null_list()))
call assert_fails('call execute(test_null_dict())', 'E731:')
call assert_fails('call execute(test_null_blob())', 'E976:')
call assert_fails('call execute(test_null_partial())','E729:')
if has('job')
call assert_fails('call execute(test_null_job())', 'E908:')
call assert_fails('call execute(test_null_channel())', 'E908:')
endif
endfunc

2
src/version.c
View File

@@ -742,6 +742,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
103,
/**/
102,
/**/