581 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			581 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #ifndef HX_GC_H
 | |
| #define HX_GC_H
 | |
| 
 | |
| #include <hx/Tls.h>
 | |
| #include <stdio.h>
 | |
| 
 | |
| // Under the current scheme (as defined by HX_HCSTRING/HX_CSTRING in hxcpp.h)
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| //  each constant string data is prepended with a 4-byte header that says the string
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| //  is constant (ie, not part of GC) and whether there is(not) a pre-computed hash at
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| //  the end of the data.
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| // When HX_SMART_STRINGS is active, a bit says whether it is char16_t encoded.
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| 
 | |
| #define HX_GC_CONST_ALLOC_BIT  0x80000000
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| #define HX_GC_CONST_ALLOC_MARK_BIT  0x80
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| 
 | |
| 
 | |
| 
 | |
| 
 | |
| // Tell compiler the extra functions are supported
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| #define HXCPP_GC_FUNCTIONS_1
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| 
 | |
| // Function called by the haxe code...
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| 
 | |
| #ifdef HXCPP_TELEMETRY
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| extern void __hxt_gc_new(hx::StackContext *inStack, void* obj, int inSize, const char *inName);
 | |
| #endif
 | |
| 
 | |
| 
 | |
| // Helpers for debugging code
 | |
| HXCPP_EXTERN_CLASS_ATTRIBUTES void  __hxcpp_reachable(hx::Object *inKeep);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void  __hxcpp_enable(bool inEnable);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void  __hxcpp_collect(bool inMajor=true);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void   __hxcpp_gc_compact();
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| HXCPP_EXTERN_CLASS_ATTRIBUTES int   __hxcpp_gc_trace(hx::Class inClass, bool inPrint);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES int   __hxcpp_gc_used_bytes();
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| HXCPP_EXTERN_CLASS_ATTRIBUTES double __hxcpp_gc_mem_info(int inWhat);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void  __hxcpp_enter_gc_free_zone();
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void  __hxcpp_exit_gc_free_zone();
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void  __hxcpp_gc_safe_point();
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void  __hxcpp_spam_collects(int inEveryNCalls);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void  __hxcpp_set_minimum_working_memory(int inBytes);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void  __hxcpp_set_minimum_free_space(int inBytes);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void  __hxcpp_set_target_free_space_percentage(int inPercentage);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES bool __hxcpp_is_const_string(const ::String &inString);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES Dynamic _hx_gc_freeze(Dynamic inObject);
 | |
| 
 | |
| typedef void (hx::Object::*_hx_member_finalizer)(void);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void __hxcpp_add_member_finalizer(hx::Object *inObject, _hx_member_finalizer, bool inPin);
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| 
 | |
| typedef void (*_hx_alloc_finalizer)(void *inPtr);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void __hxcpp_add_alloc_finalizer(void *inAlloc, _hx_alloc_finalizer, bool inPin);
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| 
 | |
| template<typename T>
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| inline void _hx_add_finalizable( hx::ObjectPtr<T> inObj, bool inPin)
 | |
| {
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|   _hx_member_finalizer finalizer = (_hx_member_finalizer)&T::finalize;
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|   __hxcpp_add_member_finalizer(inObj.mPtr, finalizer, inPin);
 | |
| }
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| template<typename T>
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| inline void _hx_add_finalizable( T *inObj, bool inPin)
 | |
| {
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|   _hx_member_finalizer finalizer = (_hx_member_finalizer)&T::finalize;
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|   __hxcpp_add_member_finalizer(inObj, finalizer, inPin);
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| template<typename T>
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| T _hx_allocate_extended(int inExtra)
 | |
| {
 | |
|    typedef typename T::Obj Obj;
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|    Obj *obj = new (inExtra) Obj();
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|    return obj;
 | |
| }
 | |
| 
 | |
| /*
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| template<typename T>
 | |
| inline void _hx_allocate_extended( hx::ObjectPtr<T> inObj, bool inPin)
 | |
| */
 | |
| 
 | |
| 
 | |
| // Finalizers from haxe code...
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| void  __hxcpp_gc_do_not_kill(Dynamic inObj);
 | |
| 
 | |
| // This is the correctly typed version - no change of getting function proto wrong
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| void _hx_set_finalizer(Dynamic inObj, void (*inFunc)(Dynamic) );
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| 
 | |
| void  __hxcpp_set_finalizer(Dynamic inObj, void *inFunction);
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| hx::Object *__hxcpp_get_next_zombie();
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| 
 | |
| #ifdef HXCPP_TELEMETRY
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| void __hxcpp_set_hxt_finalizer(void* inObj, void *inFunc);
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| #endif
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| 
 | |
| hx::Object *__hxcpp_weak_ref_create(Dynamic inObject);
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| hx::Object *__hxcpp_weak_ref_get(Dynamic inRef);
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| 
 | |
| 
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| unsigned int __hxcpp_obj_hash(Dynamic inObj);
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| int __hxcpp_obj_id(Dynamic inObj);
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| hx::Object *__hxcpp_id_obj(int);
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| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
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| namespace hx
 | |
| {
 | |
| // Generic allocation routine.
 | |
| // If inSize is small (<4k) it will be allocated from the immix pool.
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| // Larger, and it will be allocated from a separate memory pool
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| // inIsObject specifies whether "__Mark"  should be called on the resulting object
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| void *InternalNew(int inSize,bool inIsObject);
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| 
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| // Used internall - realloc array data
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| void *InternalRealloc(int inFromSize, void *inData,int inSize,bool inAllowExpansion=false);
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| 
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| void InternalReleaseMem(void *inMem);
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| 
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| unsigned int ObjectSizeSafe(void *inData);
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| 
 | |
| // Const buffers are allocated outside the GC system, and do not require marking
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| // String buffers can optionally have a pre-computed hash appended with this method
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| void *InternalCreateConstBuffer(const void *inData,int inSize,bool inAddStringHash=false);
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| 
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| // Called after collection by an unspecified thread
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| typedef void (*finalizer)(hx::Object *v);
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| 
 | |
| // Used internally by the runtime.
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| // The constructor will add this object to the internal list of finalizers.
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| // If the parent object is not marked by the end of the collect, the finalizer will trigger.
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| struct InternalFinalizer
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| {
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|    InternalFinalizer(hx::Object *inObj, finalizer inFinalizer=0);
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| 
 | |
|    #ifdef HXCPP_VISIT_ALLOCS
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|    void Visit(VisitContext *__inCtx);
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|    #endif
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|    void Detach();
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| 
 | |
|    bool      mValid;
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|    finalizer mFinalizer;
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|    hx::Object  *mObject;
 | |
| };
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| 
 | |
| // Attach a finalizer to any object allocation.  This can be called from haxe code, but be aware that
 | |
| // you can't make any GC calls from the finalizer.
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| void  GCSetFinalizer( hx::Object *, hx::finalizer f );
 | |
| 
 | |
| // If another thread wants to do a collect, it will signal this variable.
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| // This automatically gets checked when you call "new", but if you are in long-running
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| //  loop with no new call, you might starve another thread if you to not check this.
 | |
| //  0xffffffff = pause requested
 | |
| extern int gPauseForCollect;
 | |
| 
 | |
| 
 | |
| // Minimum total memory - used + buffer for new objects
 | |
| extern int sgMinimumWorkingMemory;
 | |
| 
 | |
| // Minimum free memory - not counting used memory
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| extern int sgMinimumFreeSpace;
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| 
 | |
| // Also ensure that the free memory is larger than this amount of used memory
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| extern int sgTargetFreeSpacePercentage;
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| 
 | |
| 
 | |
| extern HXCPP_EXTERN_CLASS_ATTRIBUTES int gByteMarkID;
 | |
| 
 | |
| // Call in response to a gPauseForCollect. Normally, this is done for you in "new"
 | |
| void PauseForCollect();
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| 
 | |
| 
 | |
| // Used by WeakHash to work out if it needs to dispose its keys
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| bool IsWeakRefValid(hx::Object *inPtr);
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| bool IsWeakRefValid(const HX_CHAR *inPtr);
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| 
 | |
| // Used by CFFI to scan a block of memory for GC Pointers. May picks up random crap
 | |
| //  that points to real, active objects.
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| void MarkConservative(int *inBottom, int *inTop,hx::MarkContext *__inCtx);
 | |
| 
 | |
| 
 | |
| // Create/Remove a root.
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| // All statics are explicitly registered - this saves adding the whole data segment
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| //  to the collection list.
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| // It takes a pointer-pointer so it can move the contents, and the caller can change the contents
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| void GCAddRoot(hx::Object **inRoot);
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| void GCRemoveRoot(hx::Object **inRoot);
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| 
 | |
| 
 | |
| // This is used internally in hxcpp
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| // It calls InternalNew, and takes care of null-terminating the result
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| char *NewString(int inLen);
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| 
 | |
| // The concept of 'private' is from the old conservative Gc method.
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| // Now with explicit marking, these functions do the same thing, which is
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| //  to allocate some GC memory and optionally copy the 'inData' into those bytes
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void *NewGCBytes(void *inData,int inSize);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void *NewGCPrivate(void *inData,int inSize);
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| 
 | |
| // Force a collect from the calling thread
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| // Only one thread should call this at a time
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| int InternalCollect(bool inMajor,bool inCompact);
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| 
 | |
| 
 | |
| // Disable the garbage collector.  It will try to increase its internal buffers to honour extra requests.
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| //  If it runs out of memory, it will actually try to do a collect.
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| void InternalEnableGC(bool inEnable);
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| 
 | |
| // Record that fact that external memory has been allocated and associated with a haxe object
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| //  eg. BitmapData.  This will help the collector know when to collect
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| void GCChangeManagedMemory(int inDelta, const char *inWhy=0);
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| 
 | |
| // Haxe threads can center GC free zones, where they can't make GC allocation calls, and should not mess with GC memory.
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| // This means that they do not need to pause while the GC collections happen, and other threads will not
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| //  wait for them to "check in" before collecting.  The standard runtime makes these calls around OS calls, such as "Sleep"
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| void EnterGCFreeZone();
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| void ExitGCFreeZone();
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| // retuns true if ExitGCFreeZone should be called
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| bool TryGCFreeZone();
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| // retuns true if ExitGCFreeZone was called
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| bool TryExitGCFreeZone();
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| 
 | |
| class HXCPP_EXTERN_CLASS_ATTRIBUTES AutoGCFreeZone
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| {
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| public:
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| 	AutoGCFreeZone() : locked(true) { EnterGCFreeZone(); }
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| 	~AutoGCFreeZone() { if (locked) ExitGCFreeZone(); }
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| 
 | |
| 	void close() { if (locked) ExitGCFreeZone(); locked = false; }
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| 
 | |
| 	bool locked;
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| };
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| 
 | |
| 
 | |
| // Defined in Class.cpp, these function is called from the Gc to start the marking/visiting
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| void MarkClassStatics(hx::MarkContext *__inCtx);
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| #ifdef HXCPP_VISIT_ALLOCS
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| void VisitClassStatics(hx::VisitContext *__inCtx);
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| #endif
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| 
 | |
| 
 | |
| // Called by haxe/application code to mark allocations.
 | |
| //  "Object" allocs will recursively call __Mark
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| inline void MarkAlloc(void *inPtr ,hx::MarkContext *__inCtx);
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| inline void MarkObjectAlloc(hx::Object *inPtr ,hx::MarkContext *__inCtx);
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| 
 | |
| // Implemented differently for efficiency
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| void MarkObjectArray(hx::Object **inPtr, int inLength, hx::MarkContext *__inCtx);
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| void MarkStringArray(String *inPtr, int inLength, hx::MarkContext *__inCtx);
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| 
 | |
| // Provide extra debug info to the marking routines
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| #ifdef HXCPP_DEBUG
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void MarkSetMember(const char *inName ,hx::MarkContext *__inCtx);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void MarkPushClass(const char *inName ,hx::MarkContext *__inCtx);
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| HXCPP_EXTERN_CLASS_ATTRIBUTES void MarkPopClass(hx::MarkContext *__inCtx);
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| #endif
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| 
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| 
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| // Used by runtime if it is being paranoid about pointers.  It checks that the pointer is real and alive at last collect.
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| void GCCheckPointer(void *);
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| void GCOnNewPointer(void *);
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| 
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| 
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| // Called internally before and GC operations
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| void CommonInitAlloc();
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| 
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| 
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| // Threading ...
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| void RegisterNewThread(void *inTopOfStack);
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| void RegisterCurrentThread(void *inTopOfStack);
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| void UnregisterCurrentThread();
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| void GCPrepareMultiThreaded();
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| 
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| 
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| 
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| 
 | |
| } // end namespace hx
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| 
 | |
| 
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| // Inline code tied to the immix implementation
 | |
| 
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| namespace hx
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| {
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| 
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| #define HX_USE_INLINE_IMMIX_OPERATOR_NEW
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| 
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| //#define HX_STACK_CTX ::hx::ImmixAllocator *_hx_stack_ctx =  hx::gMultiThreadMode ? hx::tlsImmixAllocator : hx::gMainThreadAlloc;
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| 
 | |
| 
 | |
| // Each line ast 128 bytes (2^7)
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| #define IMMIX_LINE_BITS    7
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| #define IMMIX_LINE_LEN     (1<<IMMIX_LINE_BITS)
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| 
 | |
| #define HX_GC_REMEMBERED          0x40
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| 
 | |
| // The size info is stored in the header 8 bits to the right
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| #define IMMIX_ALLOC_SIZE_SHIFT  6
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| 
 | |
| // Indicates that __Mark must be called recursively
 | |
| #define IMMIX_ALLOC_IS_CONTAINER   0x00800000
 | |
| // String is char16_t type
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| #define HX_GC_STRING_CHAR16_T      0x00200000
 | |
| // String has hash data at end
 | |
| #define HX_GC_STRING_HASH          0x00100000
 | |
| 
 | |
| #define HX_GC_STRING_HASH_BIT      0x10
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| 
 | |
| #ifdef HXCPP_BIG_ENDIAN
 | |
|    #define HX_GC_STRING_HASH_OFFSET        -3
 | |
|    #define HX_GC_CONST_ALLOC_MARK_OFFSET   -4
 | |
|    #define HX_ENDIAN_MARK_ID_BYTE        -4
 | |
| #else
 | |
|    #define HX_GC_STRING_HASH_OFFSET        -2
 | |
|    #define HX_GC_CONST_ALLOC_MARK_OFFSET   -1
 | |
|    #define HX_ENDIAN_MARK_ID_BYTE       -1
 | |
| #endif
 | |
| 
 | |
| 
 | |
| 
 | |
| // The gPauseForCollect bits will turn spaceEnd negative, and so force the slow path
 | |
| #ifndef HXCPP_SINGLE_THREADED_APP
 | |
|    #define WITH_PAUSE_FOR_COLLECT_FLAG | hx::gPauseForCollect
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| #else
 | |
|    #define WITH_PAUSE_FOR_COLLECT_FLAG
 | |
| #endif
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| 
 | |
| 
 | |
| 
 | |
| struct StackContext;
 | |
| 
 | |
| EXTERN_FAST_TLS_DATA(StackContext, tlsStackContext);
 | |
| 
 | |
| extern StackContext *gMainThreadContext;
 | |
| 
 | |
| extern unsigned int gImmixStartFlag[128];
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| extern int gMarkID;
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| extern int gMarkIDWithContainer;
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| extern void BadImmixAlloc();
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| 
 | |
| 
 | |
| class ImmixAllocator
 | |
| {
 | |
| public:
 | |
|    virtual ~ImmixAllocator() {}
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|    virtual void *CallAlloc(int inSize,unsigned int inObjectFlags) = 0;
 | |
|    virtual void SetupStackAndCollect(bool inMajor, bool inForceCompact, bool inLocked=false,bool inFreeIsFragged=false) = 0;
 | |
| 
 | |
|    #ifdef HXCPP_GC_NURSERY
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|    unsigned char  *spaceFirst;
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|    unsigned char  *spaceOversize;
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|    #else
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|    int            spaceStart;
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|    int            spaceEnd;
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|    #endif
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|    unsigned int   *allocStartFlags;
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|    unsigned char  *allocBase;
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| 
 | |
| 
 | |
| 
 | |
|    // These allocate the function using the garbage-colleced malloc
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|    inline static void *alloc(ImmixAllocator *alloc, size_t inSize, bool inContainer, const char *inName )
 | |
|    {
 | |
|       #ifdef HXCPP_GC_NURSERY
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| 
 | |
|          unsigned char *buffer = alloc->spaceFirst;
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|          unsigned char *end = buffer + (inSize + 4);
 | |
| 
 | |
|          if ( end > alloc->spaceOversize )
 | |
|          {
 | |
|             // Fall back to external method
 | |
|             buffer = (unsigned char *)alloc->CallAlloc(inSize, inContainer ? IMMIX_ALLOC_IS_CONTAINER : 0);
 | |
|          }
 | |
|          else
 | |
|          {
 | |
|             alloc->spaceFirst = end;
 | |
| 
 | |
|             if (inContainer)
 | |
|                ((unsigned int *)buffer)[-1] = inSize | IMMIX_ALLOC_IS_CONTAINER;
 | |
|             else
 | |
|                ((unsigned int *)buffer)[-1] = inSize;
 | |
|          }
 | |
| 
 | |
|          #ifdef HXCPP_TELEMETRY
 | |
|          __hxt_gc_new((hx::StackContext *)alloc,buffer, inSize, inName);
 | |
|          #endif
 | |
| 
 | |
|          return buffer;
 | |
| 
 | |
|       #else
 | |
|          #ifndef HXCPP_ALIGN_ALLOC
 | |
|             // Inline the fast-path if we can
 | |
|             // We know the object can hold a pointer (vtable) and that the size is int-aligned
 | |
|             int start = alloc->spaceStart;
 | |
|             int end = start + sizeof(int) + inSize;
 | |
| 
 | |
|             if ( end <= alloc->spaceEnd )
 | |
|             {
 | |
|                alloc->spaceStart = end;
 | |
| 
 | |
|                unsigned int *buffer = (unsigned int *)(alloc->allocBase + start);
 | |
| 
 | |
|                int startRow = start>>IMMIX_LINE_BITS;
 | |
| 
 | |
|                alloc->allocStartFlags[ startRow ] |= gImmixStartFlag[start&127];
 | |
| 
 | |
|                if (inContainer)
 | |
|                   *buffer++ =  (( (end+(IMMIX_LINE_LEN-1))>>IMMIX_LINE_BITS) -startRow) |
 | |
|                                (inSize<<IMMIX_ALLOC_SIZE_SHIFT) |
 | |
|                                hx::gMarkIDWithContainer;
 | |
|                else
 | |
|                   *buffer++ =  (( (end+(IMMIX_LINE_LEN-1))>>IMMIX_LINE_BITS) -startRow) |
 | |
|                                (inSize<<IMMIX_ALLOC_SIZE_SHIFT) |
 | |
|                                hx::gMarkID;
 | |
| 
 | |
|                #if defined(HXCPP_GC_CHECK_POINTER) && defined(HXCPP_GC_DEBUG_ALWAYS_MOVE)
 | |
|                hx::GCOnNewPointer(buffer);
 | |
|                #endif
 | |
| 
 | |
|                #ifdef HXCPP_TELEMETRY
 | |
|                __hxt_gc_new((hx::StackContext *)alloc,buffer, inSize, inName);
 | |
|                #endif
 | |
|                return buffer;
 | |
|             }
 | |
|          #endif // HXCPP_ALIGN_ALLOC
 | |
| 
 | |
|          // Fall back to external method
 | |
|          void *result = alloc->CallAlloc(inSize, inContainer ? IMMIX_ALLOC_IS_CONTAINER : 0);
 | |
| 
 | |
|          #ifdef HXCPP_TELEMETRY
 | |
|             __hxt_gc_new((hx::StackContext *)alloc,result, inSize, inName);
 | |
|          #endif
 | |
| 
 | |
|          return result;
 | |
|       #endif // HXCPP_GC_NURSERY
 | |
|    }
 | |
| };
 | |
| 
 | |
| typedef ImmixAllocator GcAllocator;
 | |
| typedef ImmixAllocator Ctx;
 | |
| 
 | |
| 
 | |
| #ifdef HXCPP_GC_GENERATIONAL
 | |
|   #define HX_OBJ_WB_CTX(obj,value,ctx) { \
 | |
|         unsigned char &mark =  ((unsigned char *)(obj))[ HX_ENDIAN_MARK_ID_BYTE]; \
 | |
|         if (mark == hx::gByteMarkID && value && !((unsigned char *)(value))[ HX_ENDIAN_MARK_ID_BYTE  ] ) { \
 | |
|             mark|=HX_GC_REMEMBERED; \
 | |
|             ctx->pushReferrer(obj); \
 | |
|      } }
 | |
|   #define HX_OBJ_WB_PESSIMISTIC_CTX(obj,ctx) { \
 | |
|      unsigned char &mark =  ((unsigned char *)(obj))[ HX_ENDIAN_MARK_ID_BYTE]; \
 | |
|      if (mark == hx::gByteMarkID)  { \
 | |
|         mark|=HX_GC_REMEMBERED; \
 | |
|         ctx->pushReferrer(obj); \
 | |
|      } }
 | |
|   // I'm not sure if this will ever trigger...
 | |
|   #define HX_OBJ_WB_NEW_MARKED_OBJECT(obj) { \
 | |
|      if (((unsigned char *)(obj))[ HX_ENDIAN_MARK_ID_BYTE]==hx::gByteMarkID) hx::NewMarkedObject(obj); \
 | |
|   }
 | |
| #else
 | |
|   #define HX_OBJ_WB_CTX(obj,value,ctx)
 | |
|   #define HX_OBJ_WB_PESSIMISTIC_CTX(obj,ctx)
 | |
|   #define HX_OBJ_WB_NEW_MARKED_OBJECT(obj)
 | |
| #endif
 | |
| 
 | |
| #define HX_OBJ_WB(obj,value) HX_OBJ_WB_CTX(obj,value,_hx_ctx)
 | |
| #define HX_ARRAY_WB(array,index,value) HX_OBJ_WB(array,value)
 | |
| #define HX_OBJ_WB_PESSIMISTIC(obj) HX_OBJ_WB_PESSIMISTIC_CTX(obj,_hx_ctx)
 | |
| #define HX_OBJ_WB_GET(obj,value) HX_OBJ_WB_CTX(obj,value,HX_CTX_GET)
 | |
| #define HX_OBJ_WB_PESSIMISTIC_GET(obj) HX_OBJ_WB_PESSIMISTIC_CTX(obj,HX_CTX_GET)
 | |
| 
 | |
| HXCPP_EXTERN_CLASS_ATTRIBUTES extern unsigned int gPrevMarkIdMask;
 | |
| 
 | |
| // Called only once it is determined that a new mark is required
 | |
| HXCPP_EXTERN_CLASS_ATTRIBUTES void MarkAllocUnchecked(void *inPtr ,hx::MarkContext *__inCtx); 
 | |
| HXCPP_EXTERN_CLASS_ATTRIBUTES void MarkObjectAllocUnchecked(hx::Object *inPtr ,hx::MarkContext *__inCtx);
 | |
| HXCPP_EXTERN_CLASS_ATTRIBUTES void NewMarkedObject(hx::Object *inPtr);
 | |
| 
 | |
| inline void MarkAlloc(void *inPtr ,hx::MarkContext *__inCtx)
 | |
| {
 | |
|    #ifdef EMSCRIPTEN
 | |
|    // Unaligned must be constants...
 | |
|    if ( !( ((size_t)inPtr) & 3) )
 | |
|    #endif
 | |
|    // This will also skip const regions
 | |
|    if ( !(((unsigned int *)inPtr)[-1] & gPrevMarkIdMask) )
 | |
|       MarkAllocUnchecked(inPtr,__inCtx);
 | |
| }
 | |
| inline void MarkObjectAlloc(hx::Object *inPtr ,hx::MarkContext *__inCtx)
 | |
| {
 | |
|    #ifdef EMSCRIPTEN
 | |
|    // Unaligned must be constants...
 | |
|    if ( !( ((size_t)inPtr) & 3) )
 | |
|    #endif
 | |
|    // This will also skip const regions
 | |
|    if ( !(((unsigned int *)inPtr)[-1] & gPrevMarkIdMask) )
 | |
|       MarkObjectAllocUnchecked(inPtr,__inCtx);
 | |
| }
 | |
| 
 | |
| 
 | |
| } // end namespace hx
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| // It was theoretically possible to redefine the MarkContext arg type (or skip it)
 | |
| //  incase the particular GC scheme did not need it.  This may take a bit of extra
 | |
| //  work to get going again
 | |
| 
 | |
| #define HX_MARK_ARG __inCtx
 | |
| //#define HX_MARK_ADD_ARG ,__inCtx
 | |
| #define HX_MARK_PARAMS hx::MarkContext *__inCtx
 | |
| //#define HX_MARK_ADD_PARAMS ,hx::MarkContext *__inCtx
 | |
| 
 | |
| #ifdef HXCPP_VISIT_ALLOCS
 | |
| #define HX_VISIT_ARG __inCtx
 | |
| #define HX_VISIT_PARAMS hx::VisitContext *__inCtx
 | |
| #else
 | |
| #define HX_VISIT_ARG
 | |
| #define HX_VISIT_PARAMS
 | |
| #endif
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| // These macros add debug to the mark/visit calls if required
 | |
| // They also perform some inline checking to avoid function calls if possible
 | |
| 
 | |
| 
 | |
| #ifdef HXCPP_DEBUG
 | |
| 
 | |
| #define HX_MARK_MEMBER_NAME(x,name) { hx::MarkSetMember(name, __inCtx); hx::MarkMember(x, __inCtx ); }
 | |
| #define HX_MARK_BEGIN_CLASS(x) hx::MarkPushClass(#x, __inCtx );
 | |
| #define HX_MARK_END_CLASS() hx::MarkPopClass(__inCtx );
 | |
| #define HX_MARK_MEMBER(x) { hx::MarkSetMember(0, __inCtx); hx::MarkMember(x, __inCtx ); }
 | |
| #define HX_MARK_MEMBER_ARRAY(x,len) { hx::MarkSetMember(0, __inCtx); hx::MarkMemberArray(x, len, __inCtx ); }
 | |
| 
 | |
| #else
 | |
| 
 | |
| #define HX_MARK_MEMBER_NAME(x,name) hx::MarkMember(x, __inCtx )
 | |
| #define HX_MARK_BEGIN_CLASS(x)
 | |
| #define HX_MARK_END_CLASS()
 | |
| #define HX_MARK_MEMBER(x) hx::MarkMember(x, __inCtx )
 | |
| #define HX_MARK_MEMBER_ARRAY(x,len) hx::MarkMemberArray(x, len, __inCtx )
 | |
| 
 | |
| #endif
 | |
| 
 | |
| #define HX_MARK_OBJECT(ioPtr) if (ioPtr) hx::MarkObjectAlloc(ioPtr, __inCtx );
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| #define HX_MARK_STRING(ioPtr) \
 | |
|    if (ioPtr) hx::MarkAlloc((void *)ioPtr, __inCtx );
 | |
| 
 | |
| #define HX_MARK_ARRAY(ioPtr) { if (ioPtr) hx::MarkAlloc((void *)ioPtr, __inCtx ); }
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| #define HX_VISIT_MEMBER_NAME(x,name) hx::VisitMember(x, __inCtx )
 | |
| #define HX_VISIT_MEMBER(x) hx::VisitMember(x, __inCtx )
 | |
| 
 | |
| #define HX_VISIT_OBJECT(ioPtr) \
 | |
|   { if (ioPtr && !(((unsigned char *)ioPtr)[HX_GC_CONST_ALLOC_MARK_OFFSET] & HX_GC_CONST_ALLOC_MARK_BIT) ) __inCtx->visitObject( (hx::Object **)&ioPtr); }
 | |
| 
 | |
| #define HX_VISIT_STRING(ioPtr) \
 | |
|    if (ioPtr && !(((unsigned char *)ioPtr)[HX_GC_CONST_ALLOC_MARK_OFFSET] & HX_GC_CONST_ALLOC_MARK_BIT) ) __inCtx->visitAlloc((void **)&ioPtr);
 | |
| 
 | |
| #define HX_VISIT_ARRAY(ioPtr) { if (ioPtr) __inCtx->visitAlloc((void **)&ioPtr); }
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| #endif
 | |
| 
 |