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Better support in ScriptLanguage for GC based scripts

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This commit is contained in:
Juan Linietsky 2016-06-21 19:34:45 -03:00
parent 3b5b893a0e
commit d57b09e47b
2 changed files with 15 additions and 2 deletions
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14
core/reference.cpp
View File

@ -27,7 +27,7 @@
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "reference.h"
#include "script_language.h"
bool Reference::init_ref() {
@ -66,11 +66,21 @@ int Reference::reference_get_count() const {
void Reference::reference(){
refcount.ref();
if (get_script_instance()) {
get_script_instance()->refcount_incremented();
}
}
bool Reference::unreference(){
return refcount.unref();
bool die = refcount.unref();
if (get_script_instance()) {
die = die && get_script_instance()->refcount_decremented();
}
return die;
}
Reference::Reference() {

3
core/script_language.h
View File

@ -129,6 +129,9 @@ public:
virtual void notification(int p_notification)=0;
virtual void refcount_incremented() {}
virtual bool refcount_decremented() { return true; } //return true if it can die
virtual Ref<Script> get_script() const=0;
virtual bool is_placeholder() const { return false; }