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patch 8.2.3117: Vim9: type not properly checked in for loop

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Problem:    Vim9: type not properly checked in for loop.
Solution:   Have items() return a list of lists.  Add runtime type checks.
            (closes #8515)
This commit is contained in:
Bram Moolenaar
2021-07-07 21:21:30 +02:00
parent 90df4b9d42
commit efc5db5215
5 changed files with 23 additions and 3 deletions
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8
src/evalfunc.c
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@@ -522,6 +522,11 @@ ret_list_dict_any(int argcount UNUSED, type_T **argtypes UNUSED)
return &t_list_dict_any;
}
static type_T *
ret_list_items(int argcount, type_T **argtypes UNUSED)
{
return &t_list_list_any;
}
static type_T *
ret_dict_any(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_dict_any;
@@ -1166,7 +1171,7 @@ static funcentry_T global_functions[] =
{"isnan", 1, 1, FEARG_1, arg1_float_or_nr,
ret_number_bool, MATH_FUNC(f_isnan)},
{"items", 1, 1, FEARG_1, arg1_dict,
ret_list_any, f_items},
ret_list_items, f_items},
{"job_getchannel", 1, 1, FEARG_1, NULL,
ret_channel, JOB_FUNC(f_job_getchannel)},
{"job_info", 0, 1, FEARG_1, NULL,
@@ -3687,6 +3692,7 @@ ret_f_function(int argcount, type_T **argtypes)
{
if (argcount == 1 && argtypes[0]->tt_type == VAR_STRING)
return &t_func_any;
// Need to check the type at runtime, the function may be defined later.
return &t_func_unknown;
}