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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-object-private.hh')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-object-private.hh45
1 files changed, 32 insertions, 13 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-object-private.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-object-private.hh
index d678ae3692e..0dada492c94 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-object-private.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-object-private.hh
@@ -33,23 +33,18 @@
#define HB_OBJECT_PRIVATE_HH
#include "hb-private.hh"
+#include "hb-debug.hh"
#include "hb-atomic-private.hh"
#include "hb-mutex-private.hh"
-/* Debug */
-
-#ifndef HB_DEBUG_OBJECT
-#define HB_DEBUG_OBJECT (HB_DEBUG+0)
-#endif
-
-
/* reference_count */
-#define HB_REFERENCE_COUNT_INERT_VALUE -1
-#define HB_REFERENCE_COUNT_POISON_VALUE -0x0000DEAD
-#define HB_REFERENCE_COUNT_INIT {HB_ATOMIC_INT_INIT(HB_REFERENCE_COUNT_INERT_VALUE)}
+#define HB_REFERENCE_COUNT_UNCHANGABLE_VALUE -0x53043
+#define HB_REFERENCE_COUNT_UNREFFABLE_VALUE -0x07734
+#define HB_REFERENCE_COUNT_UNTOUCHABLE_VALUE -0xBEDAD
+#define HB_REFERENCE_COUNT_INIT {HB_ATOMIC_INT_INIT (HB_REFERENCE_COUNT_UNCHANGABLE_VALUE)}
struct hb_reference_count_t
{
@@ -59,9 +54,23 @@ struct hb_reference_count_t
inline int get_unsafe (void) const { return ref_count.get_unsafe (); }
inline int inc (void) { return ref_count.inc (); }
inline int dec (void) { return ref_count.dec (); }
- inline void finish (void) { ref_count.set_unsafe (HB_REFERENCE_COUNT_POISON_VALUE); }
-
- inline bool is_inert (void) const { return ref_count.get_unsafe () == HB_REFERENCE_COUNT_INERT_VALUE; }
+ inline void finish (void) { ref_count.set_unsafe (HB_REFERENCE_COUNT_UNTOUCHABLE_VALUE); }
+
+ inline void make_inert (void)
+ {
+ if (get_unsafe () == HB_REFERENCE_COUNT_UNCHANGABLE_VALUE)
+ return;
+ ref_count.set_unsafe (HB_REFERENCE_COUNT_UNREFFABLE_VALUE);
+ }
+ inline void undo_inert (void)
+ {
+ if (get_unsafe () == HB_REFERENCE_COUNT_UNCHANGABLE_VALUE)
+ return;
+ assert (get_unsafe () == HB_REFERENCE_COUNT_UNREFFABLE_VALUE);
+ ref_count.set_unsafe (1);
+ }
+
+ inline bool is_inert (void) const { return ref_count.get_unsafe () < 0; }
inline bool is_valid (void) const { return ref_count.get_unsafe () > 0; }
};
@@ -152,6 +161,16 @@ static inline bool hb_object_is_valid (const Type *obj)
return likely (obj->header.ref_count.is_valid ());
}
template <typename Type>
+static inline void hb_object_make_inert (Type *obj)
+{
+ obj->header.ref_count.make_inert ();
+}
+template <typename Type>
+static inline void hb_object_undo_inert (Type *obj)
+{
+ obj->header.ref_count.undo_inert ();
+}
+template <typename Type>
static inline Type *hb_object_reference (Type *obj)
{
hb_object_trace (obj, HB_FUNC);