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[Core] Fix property access on read-only Dictionary

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This commit is contained in:
A Thousand Ships 2024-03-18 15:10:37 +01:00
parent 7529c0bec5
commit ec29c3e784
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GPG Key ID: 2033189A662F8BD7
3 changed files with 23 additions and 7 deletions
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20
core/variant/variant_setget.cpp
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@ -251,15 +251,21 @@ void Variant::set_named(const StringName &p_member, const Variant &p_value, bool
return;
}
} else if (type == Variant::DICTIONARY) {
Variant *v = VariantGetInternalPtr<Dictionary>::get_ptr(this)->getptr(p_member);
if (v) {
*v = p_value;
r_valid = true;
} else {
VariantGetInternalPtr<Dictionary>::get_ptr(this)->operator[](p_member) = p_value;
r_valid = true;
Dictionary &dict = *VariantGetInternalPtr<Dictionary>::get_ptr(this);
if (dict.is_read_only()) {
r_valid = false;
return;
}
Variant *v = dict.getptr(p_member);
if (v) {
*v = p_value;
} else {
dict[p_member] = p_value;
}
r_valid = true;
} else {
r_valid = false;
}

4
modules/gdscript/tests/scripts/runtime/errors/read_only_dictionary.gd Normal file
View File

@ -0,0 +1,4 @@
func test():
var dictionary := { "a": 0 }
dictionary.make_read_only()
dictionary.a = 1

6
modules/gdscript/tests/scripts/runtime/errors/read_only_dictionary.out Normal file
View File

@ -0,0 +1,6 @@
GDTEST_RUNTIME_ERROR
>> SCRIPT ERROR
>> on function: test()
>> runtime/errors/read_only_dictionary.gd
>> 4
>> Invalid assignment of property or key 'a' with value of type 'int' on a base object of type 'Dictionary'.