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patch 8.2.1950: Vim9: crash when compiling function fails when getting type

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Problem:    Vim9: crash when compiling function fails when getting type.
Solution:   Handle NULL type. (closes #7253)
This commit is contained in:
Bram Moolenaar
2020-11-04 12:00:53 +01:00
parent 348be7ed07
commit 9c13f76275
3 changed files with 23 additions and 2 deletions
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5
src/vim9type.c
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@@ -108,7 +108,7 @@ get_list_type(type_T *member_type, garray_T *type_gap)
type_T *type;
// recognize commonly used types
if (member_type->tt_type == VAR_ANY)
if (member_type == NULL || member_type->tt_type == VAR_ANY)
return &t_list_any;
if (member_type->tt_type == VAR_VOID
|| member_type->tt_type == VAR_UNKNOWN)
@@ -137,7 +137,7 @@ get_dict_type(type_T *member_type, garray_T *type_gap)
type_T *type;
// recognize commonly used types
if (member_type->tt_type == VAR_ANY)
if (member_type == NULL || member_type->tt_type == VAR_ANY)
return &t_dict_any;
if (member_type->tt_type == VAR_VOID
|| member_type->tt_type == VAR_UNKNOWN)
@@ -408,6 +408,7 @@ typval2type_vimvar(typval_T *tv, garray_T *type_gap)
/*
* Return FAIL if "expected" and "actual" don't match.
* When "argidx" > 0 it is included in the error message.
*/
int
check_typval_type(type_T *expected, typval_T *actual_tv, int argidx)