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GDScript: Validate object instance on is operation

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Avoids crashes on debug mode. Instead it now breaks the execution and
show the error in-editor. Will still crash on release.

Also add a similar check to Marshalls to ensure the debugger doesn't
crash when trying to serialize the invalid instance.
This commit is contained in:
George Marques 2020-01-09 13:59:33 -03:00
parent e97e951741
commit 3718f8f592
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GPG key ID: 046BD46A3201E43D
2 changed files with 19 additions and 0 deletions
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7
modules/gdscript/gdscript_function.cpp
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@ -500,6 +500,13 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
Object *obj_A = *a;
Object *obj_B = *b;
#ifdef DEBUG_ENABLED
if (!ObjectDB::instance_validate(obj_A)) {
err_text = "Left operand of 'is' was already freed.";
OPCODE_BREAK;
}
#endif // DEBUG_ENABLED
GDScript *scr_B = Object::cast_to<GDScript>(obj_B);
if (scr_B) {