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Code Releases Wiki Activity

GDScript: Improve usability of setter chains

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- Consider PackedArrays non-shared since they are copied on C++/script
  boundaries.
- Add error messages in the analyzer when assigning to read-only
  properties.
- Add specific error message at runtime when assignment fails because
  the property is read-only.
This commit is contained in:
George Marques
2023-01-30 14:50:08 -03:00
parent 315d3c4d21
commit 5fc7918594
13 changed files with 92 additions and 19 deletions
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31
modules/gdscript/gdscript_vm.cpp
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@@ -811,13 +811,22 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
#ifdef DEBUG_ENABLED
if (!valid) {
Object *obj = dst->get_validated_object();
String v = index->operator String();
if (!v.is_empty()) {
v = "'" + v + "'";
} else {
v = "of type '" + _get_var_type(index) + "'";
bool read_only_property = false;
if (obj) {
read_only_property = ClassDB::has_property(obj->get_class_name(), v) && (ClassDB::get_property_setter(obj->get_class_name(), v) == StringName());
}
if (read_only_property) {
err_text = vformat(R"(Cannot set value into property "%s" (on base "%s") because it is read-only.)", v, _get_var_type(dst));
} else {
if (!v.is_empty()) {
v = "'" + v + "'";
} else {
v = "of type '" + _get_var_type(index) + "'";
}
err_text = "Invalid set index " + v + " (on base: '" + _get_var_type(dst) + "') with value of type '" + _get_var_type(value) + "'";
}
err_text = "Invalid set index " + v + " (on base: '" + _get_var_type(dst) + "') with value of type '" + _get_var_type(value) + "'";
OPCODE_BREAK;
}
#endif
@@ -1003,8 +1012,16 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
#ifdef DEBUG_ENABLED
if (!valid) {
String err_type;
err_text = "Invalid set index '" + String(*index) + "' (on base: '" + _get_var_type(dst) + "') with value of type '" + _get_var_type(value) + "'.";
Object *obj = dst->get_validated_object();
bool read_only_property = false;
if (obj) {
read_only_property = ClassDB::has_property(obj->get_class_name(), *index) && (ClassDB::get_property_setter(obj->get_class_name(), *index) == StringName());
}
if (read_only_property) {
err_text = vformat(R"(Cannot set value into property "%s" (on base "%s") because it is read-only.)", String(*index), _get_var_type(dst));
} else {
err_text = "Invalid set index '" + String(*index) + "' (on base: '" + _get_var_type(dst) + "') with value of type '" + _get_var_type(value) + "'.";
}
OPCODE_BREAK;
}
#endif