Add manual memory management to Cappuccino.

Foundation/CPArray.j

@@ -105,7 +105,11 @@
 */
 + (id)alloc
 {
-    return [];
+    var a = [];
+    a._retainCount = 1;
+    a._UID = objj_generateObjectUID();
+    OBJJ_MEMORY_TABLE[a._UID] = a;
+    return a;
 }
 
 /*!
@@ -113,7 +117,7 @@
 */
 + (id)array
 {
-    return [[self alloc] init];
+    return [[[self alloc] init] autorelease];
 }
 
 /*!
@@ -123,7 +127,7 @@
 */
 + (id)arrayWithArray:(CPArray)anArray
 {
-    return [[self alloc] initWithArray:anArray];
+    return [[[self alloc] initWithArray:anArray] autorelease];
 }
 
 /*!
@@ -133,7 +137,7 @@
 */
 + (id)arrayWithObject:(id)anObject
 {
-    return [[self alloc] initWithObjects:anObject];
+    return [[[self alloc] initWithObjects:anObject] autorelease];
 }
 
 /*!
@@ -150,7 +154,7 @@
     for(; i < arguments.length && (argument = arguments[i]) != nil; ++i)
         array.push(argument);
 
-    return array;
+    return [array autorelease];
 }
 
 /*!
@@ -161,7 +165,7 @@
 */
 + (id)arrayWithObjects:(id)objects count:(unsigned)aCount
 {
-    return [[self alloc] initWithObjects:objects count:aCount];
+    return [[[self alloc] initWithObjects:objects count:aCount] autorelease];
 }
 
 /*!

Foundation/CPAutoreleasePool.j

@@ -0,0 +1,56 @@
+
+@import "CPObject.j"
+
+var MAIN_POOL = nil;
+
+@implementation CPAutoreleasePool : CPObject
+{
+    CPArray _objects;
+}
+
++ (void)initialize
+{
+    MAIN_POOL = [CPAutoreleasePool new];
+}
+
++ (id)_mainAutoreleasePool
+{
+    return MAIN_POOL;
+}
+
++ (void)addObject:(id)anObject
+{
+    [[self _mainAutoreleasePool] addObject:anObject];
+}
+
+- (id)init
+{
+    if (self = [super init])
+    {
+        _objects = [];
+        [[CPRunLoop currentRunLoop] performSelector:@selector(drain) target:self argument:nil order:0 modes:[CPDefaultRunLoopMode]];
+    }
+
+    return self;
+}
+
+- (void)addObject:(id)anObject
+{
+    _objects.push(anObject);
+}
+
+- (void)drain
+{
+    for (var i = 0, count = [_objects count]; i < count; i++)
+        [_objects.pop() release];
+
+    [[CPRunLoop currentRunLoop] performSelector:@selector(drain) target:self argument:nil order:0 modes:[CPDefaultRunLoopMode]];
+}
+
+- (void)dealloc
+{
+    [self drain];
+    [super dealloc];
+}
+
+@end

Foundation/CPBundle.j

@@ -72,7 +72,7 @@ var CPBundlesForURLStrings = { };
     if (self)
     {
         _bundle = new CFBundle(aURL);
-        CPBundlesForURLStrings[URLString] = self;
+        CPBundlesForURLStrings[URLString] = [self retain];
     }
 
     return self;

Foundation/CPData.j

@@ -40,27 +40,27 @@
 
 + (CPData)data
 {
-    return [[self alloc] init];
+    return [[[self alloc] init] autorelease];
 }
 
 + (CPData)dataWithRawString:(CPString)aString
 {
-    return [[self alloc] initWithRawString:aString];
+    return [[[self alloc] initWithRawString:aString] autorelease];
 }
 
 + (CPData)dataWithPlistObject:(id)aPlistObject
 {
-    return [[self alloc] initWithPlistObject:aPlistObject];
+    return [[[self alloc] initWithPlistObject:aPlistObject] autorelease];
 }
 
 + (CPData)dataWithPlistObject:(id)aPlistObject format:(CPPropertyListFormat)aFormat
 {
-    return [[self alloc] initWithPlistObject:aPlistObject format:aFormat];
+    return [[[self alloc] initWithPlistObject:aPlistObject format:aFormat] autorelease];
 }
 
 + (CPData)dataWithJSONObject:(Object)anObject
 {
-    return [[self alloc] initWithJSONObject:anObject];
+    return [[[self alloc] initWithJSONObject:anObject] autorelease];
 }
 
 - (id)initWithRawString:(CPString)aString

Foundation/CPDate.j

@@ -24,7 +24,13 @@
 @import "CPString.j"
 
 
-var CPDateReferenceDate = new Date(Date.UTC(2001,1,1,0,0,0,0));
+var CPDateReferenceDate = new Date(Date.UTC(2001,1,1,0,0,0,0)),
+    _CPDateAllocator = function(a) {
+        a._retainCount = 1;
+        a._UID = objj_generateObjectUID();
+        OBJJ_MEMORY_TABLE[a._UID] = a;
+        return a;
+    };
 
 /*!
     @class CPDate
@@ -39,48 +45,48 @@ var CPDateReferenceDate = new Date(Date.UTC(2001,1,1,0,0,0,0));
 
 + (id)alloc
 {
-    return new Date;
+    return _CPDateAllocator(new Date);
 }
 
 + (id)date
 {
-    return [[self alloc] init];
+    return [[[self alloc] init] autorelease];
 }
 
 + (id)dateWithTimeIntervalSinceNow:(CPTimeInterval)seconds
 {
-    return [[CPDate alloc] initWithTimeIntervalSinceNow:seconds];
+    return [[[CPDate alloc] initWithTimeIntervalSinceNow:seconds] autorelease];
 }
 
 + (id)dateWithTimeIntervalSince1970:(CPTimeInterval)seconds
 {
-    return [[CPDate alloc] initWithTimeIntervalSince1970:seconds];
+    return [[[CPDate alloc] initWithTimeIntervalSince1970:seconds] autorelease];
 }
 
 + (id)dateWithTimeIntervalSinceReferenceDate:(CPTimeInterval)seconds
 {
-    return [[CPDate alloc] initWithTimeIntervalSinceReferenceDate:seconds];
+    return [[[CPDate alloc] initWithTimeIntervalSinceReferenceDate:seconds] autorelease];
 }
 
 + (id)distantPast
 {
-    return new Date(-10000,1,1,0,0,0,0);
+    return [_CPDateAllocator(new Date(-10000,1,1,0,0,0,0)) autorelease];
 }
 
 + (id)distantFuture
 {
-    return new Date(10000,1,1,0,0,0,0);
+    return [_CPDateAllocator(new Date(10000,1,1,0,0,0,0)) autorelease];
 }
 
 - (id)initWithTimeIntervalSinceNow:(CPTimeInterval)seconds
 {
-    self = new Date((new Date()).getTime() + seconds * 1000);
+    self = _CPDateAllocator(new Date((new Date()).getTime() + seconds * 1000));
     return self;
 }
 
 - (id)initWithTimeIntervalSince1970:(CPTimeInterval)seconds
 {
-    self = new Date(seconds * 1000);
+    self = _CPDateAllocator(new Date(seconds * 1000));
     return self;
 }
 
@@ -92,7 +98,7 @@ var CPDateReferenceDate = new Date(Date.UTC(2001,1,1,0,0,0,0));
 
 - (id)initWithTimeInterval:(CPTimeInterval)seconds sinceDate:(CPDate)refDate
 {
-    self = new Date(refDate.getTime() + seconds * 1000);
+    self = _CPDateAllocator(new Date(refDate.getTime() + seconds * 1000));
     return self;
 }
 
@@ -117,7 +123,7 @@ var CPDateReferenceDate = new Date(Date.UTC(2001,1,1,0,0,0,0));
     date.setMinutes(d[5]);
     date.setSeconds(d[6]);
 
-    self = new Date(date.getTime() +  (timeZoneOffset - date.getTimezoneOffset()) * 60 * 1000);
+    self = _CPDateAllocator(new Date(date.getTime() +  (timeZoneOffset - date.getTimezoneOffset()) * 60 * 1000));
     return self;
 }
 
@@ -185,7 +191,7 @@ var CPDateReferenceDate = new Date(Date.UTC(2001,1,1,0,0,0,0));
 
 - (id)copy
 {
-    return new Date(self.getTime());
+    return _CPDateAllocator(new Date(self.getTime()));
 }
 
 @end

Foundation/CPDictionary.j

@@ -92,7 +92,7 @@
 */
 + (id)dictionary
 {
-    return [[self alloc] init];
+    return [[[self alloc] init] autorelease];;
 }
 
 /*!
@@ -102,7 +102,7 @@
 */
 + (id)dictionaryWithDictionary:(CPDictionary)aDictionary
 {
-    return [[self alloc] initWithDictionary:aDictionary];
+    return [[[self alloc] initWithDictionary:aDictionary] autorelease];
 }
 
 /*!
@@ -113,7 +113,7 @@
 */
 + (id)dictionaryWithObject:(id)anObject forKey:(id)aKey
 {
-    return [[self alloc] initWithObjects:[anObject] forKeys:[aKey]];
+    return [[[self alloc] initWithObjects:[anObject] forKeys:[aKey]] autorelease];
 }
 
 /*!
@@ -125,7 +125,7 @@
 */
 + (id)dictionaryWithObjects:(CPArray)objects forKeys:(CPArray)keys
 {
-    return [[self alloc] initWithObjects:objects forKeys:keys];
+    return [[[self alloc] initWithObjects:objects forKeys:keys] autorelease];
 }
 
 /*!
@@ -135,7 +135,7 @@
 */
 + (id)dictionaryWithJSObject:(JSObject)object
 {
-    return [self dictionaryWithJSObject:object recursively:NO];
+    return [[self dictionaryWithJSObject:object recursively:NO] autorelease];
 }
 
 /*!
@@ -145,7 +145,7 @@
 */
 + (id)dictionaryWithJSObject:(JSObject)object recursively:(BOOL)recursively
 {
-    var dictionary = [[self alloc] init];
+    var dictionary = [[[self alloc] init] autorelease];
         
     for (var key in object)
     {
@@ -209,7 +209,7 @@
     arguments[0] = [self alloc];
     arguments[1] = @selector(initWithObjectsAndKeys:);
     
-    return objj_msgSend.apply(this, arguments);
+    return [objj_msgSend.apply(this, arguments) autorelease];
 }
 
 /*!

Foundation/CPIndexSet.j

@@ -47,7 +47,7 @@
 */
 + (id)indexSet
 {
-    return [[self alloc] init];
+    return [[[self alloc] init] autorelease];
 }
 
 /*!
@@ -55,7 +55,7 @@
 */
 + (id)indexSetWithIndex:(int)anIndex
 {
-    return [[self alloc] initWithIndex:anIndex];
+    return [[[self alloc] initWithIndex:anIndex] autorelease];
 }
 
 /*!
@@ -64,7 +64,7 @@
 */
 + (id)indexSetWithIndexesInRange:(CPRange)aRange
 {
-    return [[self alloc] initWithIndexesInRange:aRange];
+    return [[[self alloc] initWithIndexesInRange:aRange] autorelease];
 }
 
 // Initializing and Index Set

Foundation/CPInvocation.j

@@ -46,7 +46,7 @@
 */
 + (id)invocationWithMethodSignature:(CPMethodSignature)aMethodSignature
 {
-    return [[self alloc] initWithMethodSignature:aMethodSignature];
+    return [[[self alloc] initWithMethodSignature:aMethodSignature] autorelease];
 }
 
 /*!

Foundation/CPJSONPConnection.j

@@ -56,7 +56,7 @@ CPJSONPCallbackReplacementString = @"${JSONP_CALLBACK}";
 
 + (CPJSONPConnection)connectionWithRequest:(CPURLRequest)aRequest callback:(CPString)callbackParameter delegate:(id)aDelegate
 {
-    return [[[self class] alloc] initWithRequest:aRequest callback:callbackParameter delegate:aDelegate startImmediately:YES];;
+    return [[[[self class] alloc] initWithRequest:aRequest callback:callbackParameter delegate:aDelegate startImmediately:YES] autorelease];
 }
 
 - (id)initWithRequest:(CPURLRequest)aRequest callback:(CPString)aString delegate:(id)aDelegate 

Foundation/CPKeyedArchiver.j

@@ -148,7 +148,7 @@ var _CPKeyedArchiverStringClass                         = Nil,
 + (CPData)archivedDataWithRootObject:(id)anObject
 {
     var data = [CPData dataWithPlistObject:nil],
-        archiver = [[self alloc] initForWritingWithMutableData:data];
+        archiver = [[[self alloc] initForWritingWithMutableData:data] autorelease];
     
     [archiver encodeObject:anObject forKey:@"root"];
     [archiver finishEncoding];

Foundation/CPKeyedUnarchiver.j

@@ -171,7 +171,7 @@ var CPArrayClass                                                            = Ni
         return nil;
     }
 
-    var unarchiver = [[self alloc] initForReadingWithData:aData],
+    var unarchiver = [[[self alloc] initForReadingWithData:aData] autorelease],
         object = [unarchiver decodeObjectForKey:@"root"];
 
     [unarchiver finishDecoding];

Foundation/CPNotification.j

@@ -53,7 +53,7 @@
 */
 + (CPNotification)notificationWithName:(CPString)aNotificationName object:(id)anObject userInfo:(CPDictionary)aUserInfo
 {
-    return [[self alloc] initWithName:aNotificationName object:anObject userInfo:aUserInfo];
+    return [[[self alloc] initWithName:aNotificationName object:anObject userInfo:aUserInfo] autorelease];
 }
 
 /*!
@@ -64,7 +64,7 @@
 */
 + (CPNotification)notificationWithName:(CPString)aNotificationName object:(id)anObject
 {
-    return [[self alloc] initWithName:aNotificationName object:anObject userInfo:nil];
+    return [[[self alloc] initWithName:aNotificationName object:anObject userInfo:nil] autorelease];
 }
 
 /*!

Foundation/CPNumber.j

@@ -333,4 +333,7 @@ FIXME: Do we need this?
 
 Number.prototype.isa = CPNumber;
 Boolean.prototype.isa = CPNumber;
+Number.prototype._retainCount = Infinity;
+Boolean.prototype._retainCount = Infinity;
+
 [CPNumber initialize];

Foundation/CPObject.j

@@ -89,7 +89,6 @@ CPLog(@"Got some class: %@", inst);
 */
 + (id)alloc
 {
-//    CPLog("calling alloc on " + self.name + ".");
     return class_createInstance(self);
 }
 
@@ -130,6 +129,7 @@ CPLog(@"Got some class: %@", inst);
 */
 - (void)dealloc
 {
+    delete OBJJ_MEMORY_TABLE[[self UID]];
 }
 
 // Identifying classes
@@ -464,6 +464,7 @@ CPLog(@"Got some class: %@", inst);
 */
 - (id)autorelease
 {
+    [CPAutoreleasePool addObject:self];
     return self;
 }
 
@@ -498,6 +499,7 @@ CPLog(@"Got some class: %@", inst);
 */
 - (id)retain
 {
+    _retainCount++;
     return self;
 }
 
@@ -506,6 +508,11 @@ CPLog(@"Got some class: %@", inst);
 */
 - (void)release
 {
+    _retainCount--;
+    if (_retainCount === 0)
+        [self dealloc];
+    else if (OBJJ_ZOMBIE_DETECTION && _retainCount < 0)
+        throw ("Released a zombie object: "+self);
 }
 
 /*!
@@ -535,3 +542,5 @@ objj_class.prototype.toString = objj_object.prototype.toString = function()
     else
         return String(this) + " (-description not implemented)";
 }
+
+@import "CPAutoreleasePool.j"

Foundation/CPRunLoop.j

@@ -73,7 +73,7 @@ var _CPRunLoopPerformPool           = [],
         return perform;
     }
     
-    return [[self alloc] initWithSelector:aSelector target:aTarget argument:anArgument order:anOrder modes:modes];
+    return [[[self alloc] initWithSelector:aSelector target:aTarget argument:anArgument order:anOrder modes:modes] autorelease];
 }
 
 - (id)initWithSelector:(SEL)aSelector target:(SEL)aTarget argument:(id)anArgument order:(unsigned)anOrder modes:(CPArray)modes

Foundation/CPSet.j

@@ -45,7 +45,7 @@
 */
 + (id)set
 {
-    return [[self alloc] init];
+    return [[[self alloc] init] autorelease];
 }
 
 /*
@@ -54,7 +54,7 @@
 */
 + (id)setWithArray:(CPArray)array
 {
-    return [[self alloc] initWithArray:array];
+    return [[[self alloc] initWithArray:array] autorelease];
 }
 
 /*
@@ -63,7 +63,7 @@
 */
 + (id)setWithObject:(id)anObject
 {
-    return [[self alloc] initWithArray:[anObject]];
+    return [[[self alloc] initWithArray:[anObject]] autorelease];
 }
 
 /*
@@ -73,7 +73,7 @@
 */
 + (id)setWithObjects:(id)objects count:(unsigned)count
 {
-    return [[self alloc] initWithObjects:objects count:count];
+    return [[[self alloc] initWithObjects:objects count:count] autorelease];
 }
 
 /*
@@ -90,7 +90,7 @@
     for(; i < argLength && ((argument = arguments[i]) !== nil); ++i)
         [set addObject:argument];
     
-    return set;
+    return [set autorelease];
 }
 
 /*
@@ -99,7 +99,7 @@
 */
 + (id)setWithSet:(CPSet)set
 {
-    return [[self alloc] initWithSet:set];
+    return [[[self alloc] initWithSet:set] autorelease];
 }
 
 /*

Foundation/CPSortDescriptor.j

@@ -78,7 +78,7 @@ CPOrderedDescending     =  1;
 
 + (id)sortDescriptorWithKey:(CPString)aKey ascending:(BOOL)isAscending selector:(SEL)aSelector
 {
-    return [[self alloc] initWithKey:aKey ascending:isAscending selector:aSelector];
+    return [[[self alloc] initWithKey:aKey ascending:isAscending selector:aSelector] autorelease];
 }
 
 /*!

Foundation/CPString.j

@@ -769,3 +769,4 @@ var CPStringRegexSpecialCharacters = [
 @end
 
 String.prototype.isa = CPString;
+String.prototype._retainCount = Infinity;

Foundation/CPTimer.j

@@ -48,7 +48,7 @@
 */
 + (CPTimer)scheduledTimerWithTimeInterval:(CPTimeInterval)seconds invocation:(CPInvocation)anInvocation repeats:(BOOL)shouldRepeat 
 {
-    var timer = [[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds invocation:anInvocation repeats:shouldRepeat];
+    var timer = [[[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds invocation:anInvocation repeats:shouldRepeat] autorelease];
 
     //add to the runloop
     [[CPRunLoop currentRunLoop] addTimer:timer forMode:CPDefaultRunLoopMode];
@@ -61,7 +61,7 @@
 */
 + (CPTimer)scheduledTimerWithTimeInterval:(CPTimeInterval)seconds target:(id)aTarget selector:(SEL)aSelector userInfo:(id)userInfo repeats:(BOOL)shouldRepeat
 {
-    var timer =  [[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds target:aTarget selector:aSelector userInfo:userInfo repeats:shouldRepeat]
+    var timer =  [[[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds target:aTarget selector:aSelector userInfo:userInfo repeats:shouldRepeat] autorelease];
 
     //add to the runloop
     [[CPRunLoop currentRunLoop] addTimer:timer forMode:CPDefaultRunLoopMode];
@@ -74,7 +74,7 @@
 */
 + (CPTimer)scheduledTimerWithTimeInterval:(CPTimeInterval)seconds callback:(Function)aFunction repeats:(BOOL)shouldRepeat 
 {
-    var timer = [[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds callback:aFunction repeats:shouldRepeat];
+    var timer = [[[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds callback:aFunction repeats:shouldRepeat] autorelease];
 
     //add to the runloop
     [[CPRunLoop currentRunLoop] addTimer:timer forMode:CPDefaultRunLoopMode];
@@ -87,7 +87,7 @@
 */
 + (CPTimer)timerWithTimeInterval:(CPTimeInterval)seconds invocation:(CPInvocation)anInvocation repeats:(BOOL)shouldRepeat 
 {
-    return [[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds invocation:anInvocation repeats:shouldRepeat];
+    return [[[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds invocation:anInvocation repeats:shouldRepeat] autorelease];
 }
 
 /*!
@@ -95,7 +95,7 @@
 */
 + (CPTimer)timerWithTimeInterval:(CPTimeInterval)seconds target:(id)aTarget selector:(SEL)aSelector userInfo:(id)userInfo repeats:(BOOL)shouldRepeat
 {
-    return [[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds target:aTarget selector:aSelector userInfo:userInfo repeats:shouldRepeat];
+    return [[[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds target:aTarget selector:aSelector userInfo:userInfo repeats:shouldRepeat] autorelease];
 }
 
 /*!
@@ -103,7 +103,7 @@
 */
 + (CPTimer)timerWithTimeInterval:(CPTimeInterval)seconds callback:(Function)aFunction repeats:(BOOL)shouldRepeat 
 {
-    return [[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds callback:aFunction repeats:shouldRepeat];
+    return [[[self alloc] initWithFireDate:[CPDate dateWithTimeIntervalSinceNow:seconds] interval:seconds callback:aFunction repeats:shouldRepeat] autorelease];
 }
 
 /*!

Foundation/CPURL.j

@@ -55,7 +55,7 @@ CPURLCustomIconKey                  = @"CPURLCustomIconKey";
 
 + (id)URLWithString:(CPString)URLString
 {
-    return [[self alloc] initWithString:URLString];
+    return [[[self alloc] initWithString:URLString] autorelease];
 }
 
 - (id)initWithString:(CPString)URLString relativeToURL:(CPURL)aBaseURL

Foundation/CPURLConnection.j

@@ -128,7 +128,7 @@ var CPURLConnectionDelegate = nil;
 */
 + (CPURLConnection)connectionWithRequest:(CPURLRequest)aRequest delegate:(id)aDelegate
 {
-    return [[self alloc] initWithRequest:aRequest delegate:aDelegate];
+    return [[[self alloc] initWithRequest:aRequest delegate:aDelegate] autorelease];
 }
 
 /*

Foundation/CPURLRequest.j

@@ -48,7 +48,7 @@
 */
 + (id)requestWithURL:(CPURL)aURL
 {
-    return [[CPURLRequest alloc] initWithURL:aURL];
+    return [[[CPURLRequest alloc] initWithURL:aURL] autorelease];
 }
 
 /*!

Foundation/CPUndoManager.j

@@ -71,7 +71,7 @@ var _CPUndoGroupingPool         = [],
         return grouping;
     }
     
-    return [[self alloc] initWithParent:anUndoGrouping];
+    return [[[self alloc] initWithParent:anUndoGrouping] autorelease];
 }
 
 - (id)initWithParent:(_CPUndoGrouping)anUndoGrouping

Foundation/CPValue.j

@@ -43,7 +43,7 @@
 */
 + (id)valueWithJSObject:(JSObject)aJSObject
 {
-    return [[self alloc] initWithJSObject:aJSObject];
+    return [[[self alloc] initWithJSObject:aJSObject] autorelease];
 }
 
 /*!

Foundation/Foundation.j

@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+@import "CPAutoreleasePool.j"
 @import "CPArray.j"
 @import "CPBundle.j"
 @import "CPCoder.j"

Objective-J/CFBundle.js

@@ -57,6 +57,10 @@ GLOBAL(CFBundle) = function(/*CFURL|String*/ aURL)
     this._infoDictionary = new CFDictionary();
 
     this._eventDispatcher = new EventDispatcher(this);
+
+    this._UID = objj_generateObjectUID();
+    this._retainCount = 1;
+    OBJJ_MEMORY_TABLE[this._UID] = this;
 }
 
 DISPLAY_NAME(CFBundle);

Objective-J/CFData.js

@@ -31,6 +31,10 @@ GLOBAL(CFData) = function()
 
     this._bytes = NULL;
     this._base64 = NULL;
+
+    this._UID = objj_generateObjectUID();
+    this._retainCount = 1;
+    OBJJ_MEMORY_TABLE[this._UID] = this;
 }
 
 CFData.prototype.propertyList = function()

Objective-J/CFDictionary.js

@@ -26,6 +26,8 @@ GLOBAL(CFDictionary) = function(/*CFDictionary*/ aDictionary)
     this._count = 0;
     this._buckets = { };
     this._UID = objj_generateObjectUID();
+    this._retainCount = 1;
+    OBJJ_MEMORY_TABLE[this._UID] = this;
 }
 
 var indexOf = Array.prototype.indexOf,

Objective-J/CFURL.js

@@ -199,6 +199,8 @@ GLOBAL(CFURL) = function(/*CFURL|String*/ aURL, /*CFURL*/ aBaseURL)
     }
 
     this._UID = objj_generateObjectUID();
+    this._retainCount = 1;
+    OBJJ_MEMORY_TABLE[this._UID] = this;
 
     this._string = aURL;
     this._baseURL = aBaseURL;

Objective-J/Constants.js

@@ -73,3 +73,8 @@ GLOBAL(PI_2)    = Math.PI / 2.0;
 
 GLOBAL(SQRT1_2) = Math.SQRT1_2;
 GLOBAL(SQRT2)   = Math.SQRT2;
+
+GLOBAL(OBJJ_MEMORY_TABLE) = [];
+
+GLOBAL($) = function(pointer) { return OBJJ_MEMORY_TABLE[pointer]; }
+GLOBAL($$) = function(object) { return object._UID; }

Objective-J/Debug.js

@@ -217,3 +217,6 @@ GLOBAL(objj_debug_typecheck) = function(expectedType, object)
 
     throw ("expected=" + expectedType + ", actual=" + actualType);
 }
+
+if (typeof window.OBJJ_ZOMBIE_DETECTION === "undefined")
+    OBJJ_ZOMBIE_DETECTION = false;

Objective-J/Runtime.js

@@ -392,6 +392,8 @@ GLOBAL(class_createInstance) = function(/*Class*/ aClass)
 
     object.isa = aClass;
     object._UID = objj_generateObjectUID();
+    object._retainCount = 1;
+    OBJJ_MEMORY_TABLE[object._UID] = object;
 
     return object;
 }
@@ -514,6 +516,9 @@ GLOBAL(objj_msgSend) = function(/*id*/ aReceiver, /*SEL*/ aSelector)
     if (aReceiver == nil)
         return nil;
 
+    if (OBJJ_ZOMBIE_DETECTION && typeof aReceiver._retainCount !== "undefined" && aReceiver._retainCount < 1 && $($$(aReceiver)) !== aReceiver)
+        throw ("Sending a message to a zombie object: "+$$(aReceiver));
+
     var isa = aReceiver.isa;
 
     CLASS_GET_METHOD_IMPLEMENTATION(var implementation, isa, aSelector);