asgardius/virtualx-engine
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Forward refcount changes to NativeScriptInstance

Browse source 
This also changes Reference::unreference() to always invoke
refcount_decremented. Previously it was not invoked until the count
reached zero due to short-circuit evalution of boolean expressions.
This commit is contained in:
Ruslan Mustakov 2017-07-26 20:24:15 +07:00
parent f55211ae0d
commit db9dcbddbc
3 changed files with 27 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
core/reference.cpp
View file

@ -74,7 +74,8 @@ bool Reference::unreference() {
bool die = refcount.unref();
if (get_script_instance()) {
die = die && get_script_instance()->refcount_decremented();
bool script_ret = get_script_instance()->refcount_decremented();
die = die && script_ret;
}
return die;

22
modules/nativescript/nativescript.cpp
View file

@ -650,6 +650,28 @@ void NativeScriptInstance::notification(int p_notification) {
call_multilevel("_notification", args, 1);
}
void NativeScriptInstance::refcount_incremented() {
Variant::CallError err;
call("_refcount_incremented", NULL, 0, err);
if (err.error != Variant::CallError::CALL_OK && err.error != Variant::CallError::CALL_ERROR_INVALID_METHOD) {
ERR_PRINT("Failed to invoke _refcount_incremented - should not happen");
}
}
bool NativeScriptInstance::refcount_decremented() {
Variant::CallError err;
Variant ret = call("_refcount_decremented", NULL, 0, err);
if (err.error != Variant::CallError::CALL_OK && err.error != Variant::CallError::CALL_ERROR_INVALID_METHOD) {
ERR_PRINT("Failed to invoke _refcount_decremented - should not happen");
return true; // assume we can destroy the object
}
if (err.error == Variant::CallError::CALL_ERROR_INVALID_METHOD) {
// the method does not exist, default is true
return true;
}
return ret;
}
Ref<Script> NativeScriptInstance::get_script() const {
return script;
}

3
modules/nativescript/nativescript.h
View file

@ -181,6 +181,9 @@ public:
virtual void call_multilevel(const StringName &p_method, const Variant **p_args, int p_argcount);
virtual void call_multilevel_reversed(const StringName &p_method, const Variant **p_args, int p_argcount);
virtual void refcount_incremented();
virtual bool refcount_decremented();
~NativeScriptInstance();
};