Complain if casting a freed object in a debug session

The idea is to give the user a chance to realize a mistake that will cause a crash in a release build (or with no debugger attached).
This commit is contained in:
Pedro J. Estébanez 2021-07-31 11:54:41 +02:00
parent 504f47eaec
commit 123d3ef935
3 changed files with 33 additions and 0 deletions

View file

@ -846,6 +846,10 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
*dst = Variant::construct(to_type, (const Variant **)&src, 1, err);
#ifdef DEBUG_ENABLED
if (src->get_type() == Variant::OBJECT && !src->is_ref() && ObjectDB::get_instance(src->get_object_instance_id()) == nullptr) {
err_text = "Trying to cast a deleted object.";
OPCODE_BREAK;
}
if (err.error != Variant::CallError::CALL_OK) {
err_text = "Invalid cast: could not convert value to '" + Variant::get_type_name(to_type) + "'.";
OPCODE_BREAK;
@ -866,6 +870,10 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
GD_ERR_BREAK(!nc);
#ifdef DEBUG_ENABLED
if (src->get_type() == Variant::OBJECT && !src->is_ref() && ObjectDB::get_instance(src->get_object_instance_id()) == nullptr) {
err_text = "Trying to cast a deleted object.";
OPCODE_BREAK;
}
if (src->get_type() != Variant::OBJECT && src->get_type() != Variant::NIL) {
err_text = "Invalid cast: can't convert a non-object value to an object type.";
OPCODE_BREAK;
@ -894,6 +902,10 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
GD_ERR_BREAK(!base_type);
#ifdef DEBUG_ENABLED
if (src->get_type() == Variant::OBJECT && !src->is_ref() && ObjectDB::get_instance(src->get_object_instance_id()) == nullptr) {
err_text = "Trying to cast a deleted object.";
OPCODE_BREAK;
}
if (src->get_type() != Variant::OBJECT && src->get_type() != Variant::NIL) {
err_text = "Trying to assign a non-object value to a variable of type '" + base_type->get_path().get_file() + "'.";
OPCODE_BREAK;