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patch 8.2.2441: Vim9: extend() does not give an error for a type mismatch

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Problem:    Vim9: extend() does not give an error for a type mismatch.
Solution:   Check the type of the second argument. (closes #7760)
This commit is contained in:
Bram Moolenaar
2021-01-31 17:48:30 +01:00
parent 853886722c
commit c03f5c677a
3 changed files with 46 additions and 23 deletions
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34
src/list.c
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@@ -2493,6 +2493,16 @@ f_count(typval_T *argvars, typval_T *rettv)
static void
extend(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg, int is_new)
{
type_T *type = NULL;
garray_T type_list;
if (!is_new && in_vim9script())
{
// Check that map() does not change the type of the dict.
ga_init2(&type_list, sizeof(type_T *), 10);
type = typval2type(argvars, &type_list);
}
if (argvars[0].v_type == VAR_LIST && argvars[1].v_type == VAR_LIST)
{
list_T *l1, *l2;
@@ -2504,7 +2514,7 @@ extend(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg, int is_new)
if (l1 == NULL)
{
emsg(_(e_cannot_extend_null_list));
return;
goto theend;
}
l2 = argvars[1].vval.v_list;
if ((is_new || !value_check_lock(l1->lv_lock, arg_errmsg, TRUE))
@@ -2514,14 +2524,14 @@ extend(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg, int is_new)
{
l1 = list_copy(l1, FALSE, get_copyID());
if (l1 == NULL)
return;
goto theend;
}
if (argvars[2].v_type != VAR_UNKNOWN)
{
before = (long)tv_get_number_chk(&argvars[2], &error);
if (error)
return; // type error; errmsg already given
goto theend; // type error; errmsg already given
if (before == l1->lv_len)
item = NULL;
@@ -2531,12 +2541,14 @@ extend(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg, int is_new)
if (item == NULL)
{
semsg(_(e_listidx), before);
return;
goto theend;
}
}
}
else
item = NULL;
if (type != NULL && check_typval_type(type, &argvars[1], 2) == FAIL)
goto theend;
list_extend(l1, l2, item);
if (is_new)
@@ -2559,7 +2571,7 @@ extend(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg, int is_new)
if (d1 == NULL)
{
emsg(_(e_cannot_extend_null_dict));
return;
goto theend;
}
d2 = argvars[1].vval.v_dict;
if ((is_new || !value_check_lock(d1->dv_lock, arg_errmsg, TRUE))
@@ -2569,7 +2581,7 @@ extend(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg, int is_new)
{
d1 = dict_copy(d1, FALSE, get_copyID());
if (d1 == NULL)
return;
goto theend;
}
// Check the third argument.
@@ -2579,19 +2591,21 @@ extend(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg, int is_new)
action = tv_get_string_chk(&argvars[2]);
if (action == NULL)
return; // type error; errmsg already given
goto theend; // type error; errmsg already given
for (i = 0; i < 3; ++i)
if (STRCMP(action, av[i]) == 0)
break;
if (i == 3)
{
semsg(_(e_invarg2), action);
return;
goto theend;
}
}
else
action = (char_u *)"force";
if (type != NULL && check_typval_type(type, &argvars[1], 2) == FAIL)
goto theend;
dict_extend(d1, d2, action);
if (is_new)
@@ -2606,6 +2620,10 @@ extend(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg, int is_new)
}
else
semsg(_(e_listdictarg), is_new ? "extendnew()" : "extend()");
theend:
if (type != NULL)
clear_type_list(&type_list);
}
/*