With -p on all platforms, we can't use asprintf().

[cycript.git] / ObjectiveC / Library.mm

diff --git a/ObjectiveC/Library.mm b/ObjectiveC/Library.mm
index be2fa88801829f197b0fcecb7fdb518c7259d482..29d7be4bfa9bf7393381f739af815b860cafa80c 100644 (file)
--- a/ObjectiveC/Library.mm
+++ b/ObjectiveC/Library.mm
@@ -1,50 +1,58 @@
-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2013  Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016  Jay Freeman (saurik)

 */
 
 */
 

-/* GNU General Public License, Version 3 {{{ */
+/* GNU Affero General Public License, Version 3 {{{ */

 /*
 /*

- * Cycript is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation, either version 3 of the License,
- * or (at your option) any later version.
- *
- * Cycript is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
+ * GNU Affero General Public License for more details.
+
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 **/
 /* }}} */
 
 **/
 /* }}} */
 

-#include <Foundation/Foundation.h>
+#include "cycript.hpp"

 
 

-#include "ObjectiveC/Internal.hpp"
+#include <cmath>
+
+#include <map>
+#include <set>

 
 

-#include <objc/objc-api.h>
+#include <dlfcn.h>

 
 

-#include "cycript.hpp"
+#ifdef __APPLE__
+#include <malloc/malloc.h>
+#include <mach/mach.h>
+#endif

 
 

-#include "ObjectiveC/Internal.hpp"
+#include <objc/message.h>
+#include <objc/runtime.h>

 
 #ifdef __APPLE__
 #include <CoreFoundation/CoreFoundation.h>
 #include <JavaScriptCore/JSStringRefCF.h>
 
 #ifdef __APPLE__
 #include <CoreFoundation/CoreFoundation.h>
 #include <JavaScriptCore/JSStringRefCF.h>

-#include <objc/runtime.h>

 #endif
 
 #endif
 

+#include <Foundation/Foundation.h>
+
+#include "Code.hpp"
+#include "Decode.hpp"

 #include "Error.hpp"
 #include "Error.hpp"

+#include "Functor.hpp"

 #include "JavaScript.hpp"
 #include "String.hpp"
 #include "Execute.hpp"
 
 #include "JavaScript.hpp"
 #include "String.hpp"
 #include "Execute.hpp"
 

-#include <cmath>
-#include <map>
-#include <set>
-
-#include <dlfcn.h>
+#include "ObjectiveC/Internal.hpp"
+#include "ObjectiveC/Syntax.hpp"

 
 #define CYObjectiveTry_ { \
     try
 
 #define CYObjectiveTry_ { \
     try


@@ -53,7 +61,7 @@
     try
 #define CYObjectiveCatch \
     catch (const CYException &error) { \
     try
 #define CYObjectiveCatch \
     catch (const CYException &error) { \

-        @throw CYCastNSObject(NULL, context, error.CastJSValue(context)); \
+        @throw CYCastNSObject(NULL, context, error.CastJSValue(context, "Error")); \

     } \
 }
 
     } \
 }
 


@@ -81,48 +89,11 @@
     } return value; \
 }
 
     } return value; \
 }
 

-#ifndef __APPLE__
-#define class_getSuperclass GSObjCSuper
-#define class_getInstanceVariable GSCGetInstanceVariableDefinition
-#define class_getName GSNameFromClass
-
-#define class_removeMethods(cls, list) GSRemoveMethodList(cls, list, YES)
-
-#define ivar_getName(ivar) ((ivar)->ivar_name)
-#define ivar_getOffset(ivar) ((ivar)->ivar_offset)
-#define ivar_getTypeEncoding(ivar) ((ivar)->ivar_type)
-
-#define method_getName(method) ((method)->method_name)
-#define method_getImplementation(method) ((method)->method_imp)
-#define method_getTypeEncoding(method) ((method)->method_types)
-#define method_setImplementation(method, imp) ((void) ((method)->method_imp = (imp)))
-
-#undef objc_getClass
-#define objc_getClass GSClassFromName
-
-#define objc_getProtocol GSProtocolFromName
-
-#define object_getClass GSObjCClass
-
-#define object_getInstanceVariable(object, name, value) ({ \
-    objc_ivar *ivar(class_getInstanceVariable(object_getClass(object), name)); \
-    _assert(value != NULL); \
-    if (ivar != NULL) \
-        GSObjCGetVariable(object, ivar_getOffset(ivar), sizeof(void *), value); \
-    ivar; \
-})
+#define _oassert(test) \
+    if (!(test)) \
+        @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:@"_assert(" #test ")" userInfo:nil];

 
 

-#define object_setIvar(object, ivar, value) ({ \
-    void *data = (value); \
-    GSObjCSetVariable(object, ivar_getOffset(ivar), sizeof(void *), &data); \
-})
-
-#define protocol_getName(protocol) [(protocol) name]
-#endif
-
-static void (*$objc_setAssociatedObject)(id object, void *key, id value, objc_AssociationPolicy policy);
-static id (*$objc_getAssociatedObject)(id object, void *key);
-static void (*$objc_removeAssociatedObjects)(id object);
+@class NSBlock;

 
 struct BlockLiteral {
     Class isa;
 
 struct BlockLiteral {
     Class isa;


@@ -159,6 +130,10 @@ enum {
     BLOCK_HAS_SIGNATURE = 1 << 30,
 };
 
     BLOCK_HAS_SIGNATURE = 1 << 30,
 };
 

+static bool CYIsClass(id self) {
+    return class_isMetaClass(object_getClass(self));
+}
+

 JSValueRef CYSendMessage(CYPool &pool, JSContextRef context, id self, Class super, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize);
 
 /* Objective-C Pool Release {{{ */
 JSValueRef CYSendMessage(CYPool &pool, JSContextRef context, id self, Class super, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize);
 
 /* Objective-C Pool Release {{{ */


@@ -184,29 +159,37 @@ Type_ CYPoolRelease(CYPool *pool, Type_ object) {
 }
 /* }}} */
 /* Objective-C Strings {{{ */
 }
 /* }}} */
 /* Objective-C Strings {{{ */

-const char *CYPoolCString(CYPool &pool, JSContextRef context, NSString *value) {
-    size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
-    char *string(new(pool) char[size]);
+CYUTF8String CYPoolUTF8String(CYPool &pool, JSContextRef context, NSString *value) {
+    size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding]);
+    char *string(new(pool) char[size + 1]);

     if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
         throw CYJSError(context, "[NSString getCString:maxLength:encoding:] == NO");
     if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
         throw CYJSError(context, "[NSString getCString:maxLength:encoding:] == NO");

-    return string;
+    return CYUTF8String(string, [value lengthOfBytesUsingEncoding:NSUTF8StringEncoding]);

 }
 
 }
 

+const char *CYPoolCString(CYPool &pool, JSContextRef context, NSString *value) {
+    CYUTF8String utf8(CYPoolUTF8String(pool, context, value));
+    _assert(memchr(utf8.data, '\0', utf8.size) == NULL);
+    return utf8.data;
+}
+
+#ifdef __clang__

 JSStringRef CYCopyJSString(JSContextRef context, NSString *value) {
 JSStringRef CYCopyJSString(JSContextRef context, NSString *value) {

-#ifdef __APPLE__

     return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));
     return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));

-#else
-    CYPool pool;
-    return CYCopyJSString(CYPoolCString(pool, context, value));
-#endif

 }
 }

+#endif

 
 JSStringRef CYCopyJSString(JSContextRef context, NSObject *value) {
     if (value == nil)
         return NULL;
     // XXX: this definition scares me; is anyone using this?!
     NSString *string([value description]);
 
 JSStringRef CYCopyJSString(JSContextRef context, NSObject *value) {
     if (value == nil)
         return NULL;
     // XXX: this definition scares me; is anyone using this?!
     NSString *string([value description]);

+#ifdef __clang__

     return CYCopyJSString(context, string);
     return CYCopyJSString(context, string);

+#else
+    CYPool pool;
+    return CYCopyJSString(CYPoolUTF8String(pool, context, string));
+#endif

 }
 
 NSString *CYCopyNSString(const CYUTF8String &value) {
 }
 
 NSString *CYCopyNSString(const CYUTF8String &value) {


@@ -265,20 +248,6 @@ bool CYGetOffset(CYPool &pool, JSContextRef context, NSString *value, ssize_t &i
     return CYGetOffset(CYPoolCString(pool, context, value), index);
 }
 
     return CYGetOffset(CYPoolCString(pool, context, value), index);
 }
 

-static JSClassRef Instance_;
-
-static JSClassRef ArrayInstance_;
-static JSClassRef FunctionInstance_;
-static JSClassRef ObjectInstance_;
-static JSClassRef StringInstance_;
-
-static JSClassRef Class_;
-static JSClassRef Internal_;
-static JSClassRef Message_;
-static JSClassRef Messages_;
-static JSClassRef Selector_;
-static JSClassRef Super_;
-

 static JSClassRef ObjectiveC_Classes_;
 static JSClassRef ObjectiveC_Constants_;
 static JSClassRef ObjectiveC_Protocols_;
 static JSClassRef ObjectiveC_Classes_;
 static JSClassRef ObjectiveC_Constants_;
 static JSClassRef ObjectiveC_Protocols_;


@@ -289,12 +258,10 @@ static JSClassRef ObjectiveC_Images_;
 #endif
 
 #ifdef __APPLE__
 #endif
 
 #ifdef __APPLE__

+static Class __NSMallocBlock__;

 static Class NSCFBoolean_;
 static Class NSCFType_;
 static Class NSGenericDeallocHandler_;
 static Class NSCFBoolean_;
 static Class NSCFType_;
 static Class NSGenericDeallocHandler_;

-static Class NSZombie_;
-
-static std::set<Class> banned_;

 #else
 static Class NSBoolNumber_;
 #endif
 #else
 static Class NSBoolNumber_;
 #endif


@@ -302,117 +269,114 @@ static Class NSBoolNumber_;
 static Class NSArray_;
 static Class NSBlock_;
 static Class NSDictionary_;
 static Class NSArray_;
 static Class NSBlock_;
 static Class NSDictionary_;

+static Class NSNumber_;
+static Class NSObject_;

 static Class NSString_;
 static Class NSString_;

+static Class NSZombie_;

 static Class Object_;
 
 static Class Object_;
 

-static Type_privateData *Object_type;
-static Type_privateData *Selector_type;
-
-Type_privateData *Instance::GetType() const {
-    return Object_type;
-}
-
-Type_privateData *Selector_privateData::GetType() const {
-    return Selector_type;
-}
-

 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception);
 
 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception);
 

-JSValueRef CYGetClassPrototype(JSContextRef context, Class self, bool meta) {
-    if (self == nil)
-        return CYGetCachedObject(context, CYJSString("Instance_prototype"));
-    else if (meta && !class_isMetaClass(self))
-        return CYGetCachedObject(context, CYJSString("Class_prototype"));
-
-    JSObjectRef global(CYGetGlobalObject(context));
-    JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
-
-    char label[32];
-    sprintf(label, "i%p", self);
-    CYJSString name(label);
-
-    JSValueRef value(CYGetProperty(context, cy, name));
-    if (!JSValueIsUndefined(context, value))
-        return value;
-
-    JSClassRef _class(NULL);
-    JSValueRef prototype;
-
-    if (self == NSArray_)
-        prototype = CYGetCachedObject(context, CYJSString("ArrayInstance_prototype"));
-    else if (self == NSBlock_)
-        prototype = CYGetCachedObject(context, CYJSString("FunctionInstance_prototype"));
-    else if (self == NSDictionary_)
-        prototype = CYGetCachedObject(context, CYJSString("ObjectInstance_prototype"));
-    else if (self == NSString_)
-        prototype = CYGetCachedObject(context, CYJSString("StringInstance_prototype"));
+JSValueRef Messages::GetPrototype(JSContextRef context) const {
+#ifdef __APPLE__
+    if (value_ == NSCFBoolean_)
+#else
+    if (value_ == NSBoolNumber_)
+#endif
+        return CYGetCachedObject(context, CYJSString("BooleanInstance_prototype"));
+    if (value_ == NSArray_)
+        return CYGetCachedObject(context, CYJSString("ArrayInstance_prototype"));
+    if (value_ == NSBlock_)
+        return CYGetCachedObject(context, CYJSString("FunctionInstance_prototype"));
+    if (value_ == NSNumber_)
+        return CYGetCachedObject(context, CYJSString("NumberInstance_prototype"));
+    if (value_ == NSDictionary_)
+        return CYGetCachedObject(context, CYJSString("ObjectInstance_prototype"));
+    if (value_ == NSString_)
+        return CYGetCachedObject(context, CYJSString("StringInstance_prototype"));
+
+    if (Class super = class_getSuperclass(value_))
+        if (class_isMetaClass(value_) && !class_isMetaClass(super))
+            return CYGetCachedObject(context, CYJSString("TypeInstance_prototype"));
+        else
+            return CYPrivate<Messages>::Cache(context, super);

     else
     else

-        prototype = CYGetClassPrototype(context, class_getSuperclass(self), meta);
-
-    JSObjectRef object(JSObjectMake(context, _class, NULL));
-    JSObjectSetPrototype(context, object, prototype);
-    CYSetProperty(context, cy, name, object);
-
-    return object;
-}
-
-_finline JSValueRef CYGetClassPrototype(JSContextRef context, Class self) {
-    return CYGetClassPrototype(context, self, class_isMetaClass(self));
+        return CYGetCachedObject(context, CYJSString("Instance_prototype"));

 }
 
 }
 

-JSObjectRef Messages::Make(JSContextRef context, Class _class) {
-    JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
-    if (Class super = class_getSuperclass(_class))
-        JSObjectSetPrototype(context, value, Messages::Make(context, super));
-    return value;
+bool CYIsKindOfClass(id object, Class _class) {
+    for (Class isa(object_getClass(object)); isa != NULL; isa = class_getSuperclass(isa))
+        if (isa == _class)
+            return true;
+    return false;

 }
 
 }
 

-JSObjectRef Internal::Make(JSContextRef context, id object, JSObjectRef owner) {
-    return JSObjectMake(context, Internal_, new Internal(object, context, owner));
+JSValueRef Instance::GetPrototype(JSContextRef context) const {
+    return CYPrivate<Messages>::Cache(context, object_getClass(value_));

 }
 
 }
 

-namespace cy {
-JSObjectRef Super::Make(JSContextRef context, id object, Class _class) {
-    JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
-    return value;
-} }
-
-JSObjectRef Instance::Make(JSContextRef context, id object, Flags flags) {
-    JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
-    JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
-    return value;
+Instance::Instance(id value, Flags flags) :
+    value_(value),
+    flags_(flags)
+{
+    if (IsPermanent());
+    /*else if ([value retainCount] == NSUInteger(-1))
+        flags_ |= Instance::Permanent;*/
+    else
+        value_ = [value_ retain];

 }
 
 Instance::~Instance() {
 }
 
 Instance::~Instance() {

-    if ((flags_ & Transient) == 0)
-        // XXX: does this handle background threads correctly?
-        // XXX: this simply does not work on the console because I'm stupid
-        [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
+    if (!IsPermanent())
+        [value_ release];

 }
 
 struct Message_privateData :
     cy::Functor
 {
 }
 
 struct Message_privateData :
     cy::Functor
 {

+    static JSClassRef Class_;
+

     SEL sel_;
 
     SEL sel_;
 

-    Message_privateData(SEL sel, const char *type, IMP value = NULL) :
-        cy::Functor(type, reinterpret_cast<void (*)()>(value)),
+    Message_privateData(SEL sel, const char *type, IMP value) :
+        cy::Functor(reinterpret_cast<void (*)()>(value), type),

         sel_(sel)
     {
     }
         sel_(sel)
     {
     }

+
+    virtual CYPropertyName *GetName(CYPool &pool) const;
+
+    static JSObjectRef Make(JSContextRef context, SEL sel, const char *type, IMP value);

 };
 
 };
 

-JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
-    Instance::Flags flags;
+JSClassRef Message_privateData::Class_;

 
 

-    if (transient)
-        flags = Instance::Transient;
-    else {
-        flags = Instance::None;
-        object = [object retain];
-    }
+JSObjectRef CYMakeInstance(JSContextRef context, id object, Instance::Flags flags = Instance::None) {
+    _assert(object != nil);
+
+#ifdef __APPLE__
+    JSWeakObjectMapRef weak(CYCastPointer<JSWeakObjectMapRef>(context, CYGetCachedValue(context, weak_s)));
+
+    if (weak != NULL && &JSWeakObjectMapGet != NULL)
+        if (JSObjectRef instance = JSWeakObjectMapGet(context, weak, object))
+            return instance;
+#endif
+
+    JSObjectRef instance;
+    if (false);
+    else if (CYIsKindOfClass(object, NSBlock_))
+        instance = CYPrivate<Block>::Make(context, object, flags);
+    else if (CYIsClass(object))
+        instance = CYPrivate<Constructor>::Make(context, object, flags);
+    else
+        instance = CYPrivate<Instance>::Make(context, object, flags);
+
+#ifdef __APPLE__
+    if (weak != NULL && &JSWeakObjectMapSet != NULL)
+        JSWeakObjectMapSet(context, weak, object, instance);
+#endif

 
 

-    return Instance::Make(context, object, flags);
+    return instance;

 }
 
 @interface NSMethodSignature (Cycript)
 }
 
 @interface NSMethodSignature (Cycript)


@@ -425,7 +389,7 @@ JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 - (JSType) cy$JSType;
 
 - (JSValueRef) cy$toJSON:(NSString *)key inContext:(JSContextRef)context;
 - (JSType) cy$JSType;
 
 - (JSValueRef) cy$toJSON:(NSString *)key inContext:(JSContextRef)context;

-- (NSString *) cy$toCYON:(bool)objective;
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects;

 
 - (bool) cy$hasProperty:(NSString *)name;
 - (NSObject *) cy$getProperty:(NSString *)name;
 
 - (bool) cy$hasProperty:(NSString *)name;
 - (NSObject *) cy$getProperty:(NSString *)name;


@@ -443,45 +407,42 @@ JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 - (JSValueRef) cy$valueOfInContext:(JSContextRef)context;
 @end
 
 - (JSValueRef) cy$valueOfInContext:(JSContextRef)context;
 @end
 

-NSString *CYCastNSCYON(id value, bool objective) {
-    NSString *string;
+NSString *CYCastNSCYON(id value, bool objective, std::set<void *> &objects) {
+    _assert(value != nil);

 
 

-    if (value == nil)
-        string = @"nil";
-    else {
-        Class _class(object_getClass(value));
-        SEL sel(@selector(cy$toCYON:));
-
-        if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
-            string = reinterpret_cast<NSString *(*)(id, SEL, bool)>(method_getImplementation(toCYON))(value, sel, objective);
-        else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
-            if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
-                string = [value cy$toCYON:objective];
-            else goto fail;
-        } else fail: {
-            if (false);
-#ifdef __APPLE__
-            else if (value == NSZombie_)
-                string = @"_NSZombie_";
-            else if (_class == NSZombie_)
-                string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
-            // XXX: frowny /in/ the pants
-            else if (banned_.find(value) != banned_.end())
-                string = nil;
-#endif
-            else
-                string = [NSString stringWithFormat:@"%@", value];
-        }
+    Class _class(object_getClass(value));

 
 

-        // XXX: frowny pants
-        if (string == nil)
-            string = @"undefined";
+    if (class_isMetaClass(_class)) {
+        const char *name(class_getName(value));
+        if (class_isMetaClass(value))
+            return [NSString stringWithFormat:@"object_getClass(%s)", name];
+        else
+            return [NSString stringWithUTF8String:name];

     }
 
     }
 

-    return string;
+    if (_class == NSZombie_)
+        return [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
+
+    SEL sel(@selector(cy$toCYON:inSet:));
+
+    if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
+        return reinterpret_cast<NSString *(*)(id, SEL, bool, std::set<void *> &)>(method_getImplementation(toCYON))(value, sel, objective, objects);
+    else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:)))
+        if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
+            return [value cy$toCYON:objective inSet:objects];
+
+    return [NSString stringWithFormat:@"%@", value];
+}
+
+NSString *CYCastNSCYON(id value, bool objective, std::set<void *> *objects) {
+    if (objects != NULL)
+        return CYCastNSCYON(value, objective, *objects);
+    else {
+        std::set<void *> objects;
+        return CYCastNSCYON(value, objective, objects);
+    }

 }
 
 }
 

-#ifdef __APPLE__

 struct PropertyAttributes {
     CYPool pool_;
 
 struct PropertyAttributes {
     CYPool pool_;
 


@@ -569,7 +530,6 @@ struct PropertyAttributes {
     }
 
 };
     }
 
 };

-#endif

 
 @interface CYWebUndefined : NSObject {
 }
 
 @interface CYWebUndefined : NSObject {
 }


@@ -626,51 +586,64 @@ struct PropertyAttributes {
 /* }}} */
 
 _finline bool CYJSValueIsNSObject(JSContextRef context, JSValueRef value) {
 /* }}} */
 
 _finline bool CYJSValueIsNSObject(JSContextRef context, JSValueRef value) {

-    return JSValueIsObjectOfClass(context, value, Instance_);
+    return JSValueIsObjectOfClass(context, value, CYPrivate<Instance>::Class_);

 }
 
 _finline bool CYJSValueIsInstanceOfCachedConstructor(JSContextRef context, JSValueRef value, JSStringRef cache) {
     return _jsccall(JSValueIsInstanceOfConstructor, context, value, CYGetCachedObject(context, cache));
 }
 
 }
 
 _finline bool CYJSValueIsInstanceOfCachedConstructor(JSContextRef context, JSValueRef value, JSStringRef cache) {
     return _jsccall(JSValueIsInstanceOfConstructor, context, value, CYGetCachedObject(context, cache));
 }
 

-NSObject *CYMakeBlock(void (*invoke)(), sig::Signature &signature) {
-    BlockLiteral *literal(reinterpret_cast<BlockLiteral *>(malloc(sizeof(BlockLiteral))));
+#ifdef __APPLE__
+struct CYBlockDescriptor {
+    struct {
+        BlockDescriptor1 one_;
+        BlockDescriptor2 two_;
+        BlockDescriptor3 three_;
+    } d_;
+
+    Closure_privateData *internal_;
+};
+
+void CYDisposeBlock(BlockLiteral *literal) {
+    delete reinterpret_cast<CYBlockDescriptor *>(literal->descriptor)->internal_;
+}

 
 

-    struct Descriptor {
-        struct {
-            BlockDescriptor1 one_;
-            BlockDescriptor2 two_;
-            BlockDescriptor3 three_;
-        } d_;
+static JSValueRef BlockAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
+    JSObjectRef _this(CYCastJSObject(context, values[0]));
+    return CYCallAsFunction(context, function, _this, count - 1, values + 1);
+}

 
 

-        CYPool pool_;
-    };
+NSBlock *CYMakeBlock(JSContextRef context, JSObjectRef function, sig::Signature &signature) {
+    _assert(__NSMallocBlock__ != Nil);
+    BlockLiteral *literal(reinterpret_cast<BlockLiteral *>(malloc(sizeof(BlockLiteral))));

 
 

-    Descriptor *descriptor(new Descriptor);
+    CYBlockDescriptor *descriptor(new CYBlockDescriptor);

     memset(&descriptor->d_, 0, sizeof(descriptor->d_));
 
     memset(&descriptor->d_, 0, sizeof(descriptor->d_));
 

-    literal->isa = objc_getClass("__NSGlobalBlock__");
+    descriptor->internal_ = CYMakeFunctor_(context, function, signature, &BlockAdapter_);
+    literal->invoke = reinterpret_cast<void (*)(void *, ...)>(descriptor->internal_->value_);
+
+    literal->isa = __NSMallocBlock__;

     literal->flags = BLOCK_HAS_SIGNATURE | BLOCK_HAS_COPY_DISPOSE | BLOCK_IS_GLOBAL;
     literal->reserved = 0;
     literal->flags = BLOCK_HAS_SIGNATURE | BLOCK_HAS_COPY_DISPOSE | BLOCK_IS_GLOBAL;
     literal->reserved = 0;

-    literal->invoke = reinterpret_cast<void (*)(void *, ...)>(invoke);

     literal->descriptor = descriptor;
 
     descriptor->d_.one_.size = sizeof(descriptor->d_);
     literal->descriptor = descriptor;
 
     descriptor->d_.one_.size = sizeof(descriptor->d_);

-    descriptor->d_.three_.signature = sig::Unparse(descriptor->pool_, &signature);
+    descriptor->d_.two_.dispose_helper = &CYDisposeBlock;
+    descriptor->d_.three_.signature = sig::Unparse(*descriptor->internal_->pool_, &signature);

 
 

-    return reinterpret_cast<NSObject *>(literal);
+    return reinterpret_cast<NSBlock *>(literal);

 }
 }

+#endif

 
 NSObject *CYCastNSObject(CYPool *pool, JSContextRef context, JSObjectRef object) {
     if (CYJSValueIsNSObject(context, object)) {
         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 
 NSObject *CYCastNSObject(CYPool *pool, JSContextRef context, JSObjectRef object) {
     if (CYJSValueIsNSObject(context, object)) {
         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));

-        return internal->GetValue();
+        return internal->value_;

     }
 
     }
 

-    if (JSValueIsObjectOfClass(context, object, Functor_)) {
-        cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
-        return CYMakeBlock(internal->GetValue(), internal->signature_);
-    }
+    if (NSObject *pointer = CYCastPointerEx<NSObject *>(context, object))
+        return pointer;

 
     bool array(CYJSValueIsInstanceOfCachedConstructor(context, object, Array_s));
     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
 
     bool array(CYJSValueIsInstanceOfCachedConstructor(context, object, Array_s));
     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);


@@ -755,12 +728,14 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     return [[self mutableCopy] autorelease];
 }
 
     return [[self mutableCopy] autorelease];
 }
 

-- (NSString *) cy$toCYON:(bool)objective {
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {
+    _oassert(objects.insert(self).second);
+

     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
     [json appendString:@"@["];
 
     bool comma(false);
     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
     [json appendString:@"@["];
 
     bool comma(false);

-#ifdef __APPLE__
+#ifdef __clang__

     for (id object in self) {
 #else
     for (size_t index(0), count([self count]); index != count; ++index) {
     for (id object in self) {
 #else
     for (size_t index(0), count([self count]); index != count; ++index) {


@@ -770,8 +745,8 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
             [json appendString:@","];
         else
             comma = true;
             [json appendString:@","];
         else
             comma = true;

-        if (object == nil || [object cy$JSType] != kJSTypeUndefined)
-            [json appendString:CYCastNSCYON(object, true)];
+        if (object != nil && [object cy$JSType] != kJSTypeUndefined)
+            [json appendString:CYCastNSCYON(object, true, objects)];

         else {
             [json appendString:@","];
             comma = false;
         else {
             [json appendString:@","];
             comma = false;


@@ -831,8 +806,39 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
 /* }}} */
 /* Bridge: NSBlock {{{ */
 #ifdef __APPLE__
 /* }}} */
 /* Bridge: NSBlock {{{ */
 #ifdef __APPLE__

-@interface NSBlock
+@interface NSBlock : NSObject

 - (void) invoke;
 - (void) invoke;

+@end
+
+static const char *CYBlockEncoding(NSBlock *self);
+static bool CYBlockSignature(CYPool &pool, NSBlock *self, sig::Signature &signature);
+
+@implementation NSBlock (Cycript)
+
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {
+    CYLocalPool pool;
+
+    sig::Block type;
+    if (!CYBlockSignature(pool, self, type.signature))
+        return [super cy$toCYON:objective inSet:objects];
+    _oassert(objects.insert(self).second);
+
+    CYType *typed((new(pool) CYTypeExpression(CYDecodeType(pool, &type)))->typed_);
+    CYTypeModifier *&modifier(CYGetLast(typed->modifier_));
+    CYTypeBlockWith *with(dynamic_cast<CYTypeBlockWith *>(modifier));
+    _assert(with != NULL);
+    CYObjCBlock *block(new(pool) CYObjCBlock(typed, with->parameters_, NULL));
+    modifier = NULL;
+
+    std::ostringstream str;
+    CYOptions options;
+    CYOutput out(*str.rdbuf(), options);
+    block->Output(out, CYNoFlags);
+
+    std::string value(str.str());
+    return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
+}
+

 @end
 #endif
 /* }}} */
 @end
 #endif
 /* }}} */


@@ -844,7 +850,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     return kJSTypeBoolean;
 }
 
     return kJSTypeBoolean;
 }
 

-- (NSString *) cy$toCYON:(bool)objective {
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {

     NSString *value([self boolValue] ? @"true" : @"false");
     return objective ? value : [NSString stringWithFormat:@"@%@", value];
 }
     NSString *value([self boolValue] ? @"true" : @"false");
     return objective ? value : [NSString stringWithFormat:@"@%@", value];
 }


@@ -863,12 +869,14 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     return [[self mutableCopy] autorelease];
 }
 
     return [[self mutableCopy] autorelease];
 }
 

-- (NSString *) cy$toCYON:(bool)objective {
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {
+    _oassert(objects.insert(self).second);
+

     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
     [json appendString:@"@{"];
 
     bool comma(false);
     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
     [json appendString:@"@{"];
 
     bool comma(false);

-#ifdef __APPLE__
+#ifdef __clang__

     for (NSObject *key in self) {
 #else
     NSEnumerator *keys([self keyEnumerator]);
     for (NSObject *key in self) {
 #else
     NSEnumerator *keys([self keyEnumerator]);


@@ -878,10 +886,10 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
             [json appendString:@","];
         else
             comma = true;
             [json appendString:@","];
         else
             comma = true;

-        [json appendString:CYCastNSCYON(key, true)];
+        [json appendString:CYCastNSCYON(key, true, objects)];

         [json appendString:@":"];
         NSObject *object([self objectForKey:key]);
         [json appendString:@":"];
         NSObject *object([self objectForKey:key]);

-        [json appendString:CYCastNSCYON(object, true)];
+        [json appendString:CYCastNSCYON(object, true, objects)];

     }
 
     [json appendString:@"}"];
     }
 
     [json appendString:@"}"];


@@ -899,7 +907,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
     [super cy$getPropertyNames:names inContext:context];
 
 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
     [super cy$getPropertyNames:names inContext:context];
 

-#ifdef __APPLE__
+#ifdef __clang__

     for (NSObject *key in self) {
 #else
     NSEnumerator *keys([self keyEnumerator]);
     for (NSObject *key in self) {
 #else
     NSEnumerator *keys([self keyEnumerator]);


@@ -922,11 +930,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     if ([name isEqualToString:@"length"]) {
         // XXX: is this not intelligent?
         NSNumber *number(reinterpret_cast<NSNumber *>(value));
     if ([name isEqualToString:@"length"]) {
         // XXX: is this not intelligent?
         NSNumber *number(reinterpret_cast<NSNumber *>(value));

-#ifdef __APPLE__

         NSUInteger size([number unsignedIntegerValue]);
         NSUInteger size([number unsignedIntegerValue]);

-#else
-        NSUInteger size([number unsignedIntValue]);
-#endif

         NSUInteger count([self count]);
         if (size < count)
             [self removeObjectsInRange:NSMakeRange(size, count - size)];
         NSUInteger count([self count]);
         if (size < count)
             [self removeObjectsInRange:NSMakeRange(size, count - size)];


@@ -1001,7 +1005,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     return kJSTypeNumber;
 }
 
     return kJSTypeNumber;
 }
 

-- (NSString *) cy$toCYON:(bool)objective {
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {

     NSString *value([self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false");
     return objective ? value : [NSString stringWithFormat:@"@%@", value];
 }
     NSString *value([self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false");
     return objective ? value : [NSString stringWithFormat:@"@%@", value];
 }


@@ -1019,7 +1023,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     return kJSTypeNull;
 }
 
     return kJSTypeNull;
 }
 

-- (NSString *) cy$toCYON:(bool)objective {
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {

     NSString *value(@"null");
     return objective ? value : [NSString stringWithFormat:@"@%@", value];
 }
     NSString *value(@"null");
     return objective ? value : [NSString stringWithFormat:@"@%@", value];
 }


@@ -1049,8 +1053,8 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     return kJSTypeObject;
 }
 
     return kJSTypeObject;
 }
 

-- (NSString *) cy$toCYON:(bool)objective {
-    return [[self description] cy$toCYON:objective];
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {
+    return [@"#" stringByAppendingString:[[self description] cy$toCYON:true inSet:objects]];

 }
 
 - (bool) cy$hasProperty:(NSString *)name {
 }
 
 - (bool) cy$hasProperty:(NSString *)name {


@@ -1084,11 +1088,43 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
 
 @end
 /* }}} */
 
 @end
 /* }}} */

+/* Bridge: NSOrderedSet {{{ */
+#ifdef __APPLE__
+@implementation NSOrderedSet (Cycript)
+
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {
+    _oassert(objects.insert(self).second);
+
+    NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
+    [json appendString:@"[NSOrderedSet orderedSetWithArray:"];
+    [json appendString:CYCastNSCYON([self array], true, objects)];
+    [json appendString:@"]]"];
+    return json;
+}
+
+@end
+#endif
+/* }}} */

 /* Bridge: NSProxy {{{ */
 @implementation NSProxy (Cycript)
 
 /* Bridge: NSProxy {{{ */
 @implementation NSProxy (Cycript)
 

-- (NSString *) cy$toCYON:(bool)objective {
-    return [[self description] cy$toCYON:objective];
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {
+    return [[self description] cy$toCYON:objective inSet:objects];
+}
+
+@end
+/* }}} */
+/* Bridge: NSSet {{{ */
+@implementation NSSet (Cycript)
+
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {
+    _oassert(objects.insert(self).second);
+
+    NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
+    [json appendString:@"[NSSet setWithArray:"];
+    [json appendString:CYCastNSCYON([self allObjects], true, objects)];
+    [json appendString:@"]]"];
+    return json;

 }
 
 @end
 }
 
 @end


@@ -1104,12 +1140,12 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     return kJSTypeString;
 }
 
     return kJSTypeString;
 }
 

-- (NSString *) cy$toCYON:(bool)objective {
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {

     std::ostringstream str;
     if (!objective)
         str << '@';
     CYUTF8String string(CYCastUTF8String(self));
     std::ostringstream str;
     if (!objective)
         str << '@';
     CYUTF8String string(CYCastUTF8String(self));

-    CYStringify(str, string.data, string.size);
+    CYStringify(str, string.data, string.size, CYStringifyModeNative);

     std::string value(str.str());
     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
 }
     std::string value(str.str());
     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
 }


@@ -1153,7 +1189,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     return kJSTypeUndefined;
 }
 
     return kJSTypeUndefined;
 }
 

-- (NSString *) cy$toCYON:(bool)objective {
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects {

     NSString *value(@"undefined");
     return value; // XXX: maybe use the below code, adding @undefined?
     //return objective ? value : [NSString stringWithFormat:@"@%@", value];
     NSString *value(@"undefined");
     return value; // XXX: maybe use the below code, adding @undefined?
     //return objective ? value : [NSString stringWithFormat:@"@%@", value];


@@ -1166,14 +1202,6 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
 @end
 /* }}} */
 
 @end
 /* }}} */
 

-static bool CYIsClass(id self) {
-#ifdef __APPLE__
-    return class_isMetaClass(object_getClass(self));
-#else
-    return GSObjCIsClass(self);
-#endif
-}
-

 Class CYCastClass(CYPool &pool, JSContextRef context, JSValueRef value) {
     id self(CYCastNSObject(&pool, context, value));
     if (CYIsClass(self))
 Class CYCastClass(CYPool &pool, JSContextRef context, JSValueRef value) {
     id self(CYCastNSObject(&pool, context, value));
     if (CYIsClass(self))


@@ -1191,12 +1219,11 @@ NSArray *CYCastNSArray(JSContextRef context, JSPropertyNameArrayRef names) {
     return array;
 }
 
     return array;
 }
 

-JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
+JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) {

     if (value == nil)
         return CYJSNull(context);
     if (value == nil)
         return CYJSNull(context);

-    else
-        return CYMakeInstance(context, value, false);
-} CYPoolCatch(NULL) return /*XXX*/ NULL; }
+    return CYMakeInstance(context, value);
+}

 
 @implementation CYJSObject
 
 
 @implementation CYJSObject
 


@@ -1215,11 +1242,11 @@ JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
     [super dealloc];
 } CYObjectiveCatch }
 
     [super dealloc];
 } CYObjectiveCatch }
 

-- (NSString *) cy$toCYON:(bool)objective { CYObjectiveTry {
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects { CYObjectiveTry {

     CYPool pool;
     CYPool pool;

-    const char *cyon(CYPoolCCYON(pool, context, object_));
+    const char *cyon(CYPoolCCYON(pool, context, object_, objects));

     if (cyon == NULL)
     if (cyon == NULL)

-        return [super cy$toCYON:objective];
+        return [super cy$toCYON:objective inSet:objects];

     else
         return [NSString stringWithUTF8String:cyon];
 } CYObjectiveCatch }
     else
         return [NSString stringWithUTF8String:cyon];
 } CYObjectiveCatch }


@@ -1257,9 +1284,9 @@ JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
 
 @implementation CYJSArray
 
 
 @implementation CYJSArray
 

-- (NSString *) cy$toCYON:(bool)objective { CYObjectiveTry {
+- (NSString *) cy$toCYON:(bool)objective inSet:(std::set<void *> &)objects { CYObjectiveTry {

     CYPool pool;
     CYPool pool;

-    return [NSString stringWithUTF8String:CYPoolCCYON(pool, context, object_)];
+    return [NSString stringWithUTF8String:CYPoolCCYON(pool, context, object_, objects)];

 } CYObjectiveCatch }
 
 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry_ {
 } CYObjectiveCatch }
 
 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry_ {


@@ -1379,49 +1406,56 @@ JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
 }
 
 + (CYInternal *) get:(id)object {
 }
 
 + (CYInternal *) get:(id)object {

-    if ($objc_getAssociatedObject == NULL)
+#ifdef __APPLE__
+    if (&objc_getAssociatedObject == NULL)

         return nil;
 
     @synchronized (object) {
         return nil;
 
     @synchronized (object) {

-        if (CYInternal *internal = $objc_getAssociatedObject(object, @selector(cy$internal)))
+        if (CYInternal *internal = objc_getAssociatedObject(object, @selector(cy$internal)))

             return internal;
     }
             return internal;
     }

+#endif

 
     return nil;
 }
 
 + (CYInternal *) set:(id)object inContext:(JSContextRef)context {
 
     return nil;
 }
 
 + (CYInternal *) set:(id)object inContext:(JSContextRef)context {

-    if ($objc_getAssociatedObject == NULL)
+#ifdef __APPLE__
+    if (&objc_getAssociatedObject == NULL)

         return nil;
 
     @synchronized (object) {
         return nil;
 
     @synchronized (object) {

-        if (CYInternal *internal = $objc_getAssociatedObject(object, @selector(cy$internal)))
+        if (CYInternal *internal = objc_getAssociatedObject(object, @selector(cy$internal)))

             return internal;
 
             return internal;
 

-        if ($objc_setAssociatedObject == NULL)
+        if (&objc_setAssociatedObject == NULL)

             return nil;
 
         CYInternal *internal([[[CYInternal alloc] initInContext:context] autorelease]);
         objc_setAssociatedObject(object, @selector(cy$internal), internal, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
         return internal;
     }
             return nil;
 
         CYInternal *internal([[[CYInternal alloc] initInContext:context] autorelease]);
         objc_setAssociatedObject(object, @selector(cy$internal), internal, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
         return internal;
     }

+#endif

 
     return nil;
 }
 
 @end
 
 
     return nil;
 }
 
 @end
 

-static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
-    Selector_privateData *internal(new Selector_privateData(sel));
-    return JSObjectMake(context, Selector_, internal);
+static JSValueRef CYCastJSValue(JSContextRef context, SEL sel) {
+    if (sel == NULL)
+        return CYJSNull(context);
+    return CYPrivate<Selector_privateData>::Make(context, sel);

 }
 
 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
 }
 
 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {

-    if (JSValueIsObjectOfClass(context, value, Selector_)) {
+    if (JSValueIsObjectOfClass(context, value, CYPrivate<Selector_privateData>::Class_)) {

         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
         return reinterpret_cast<SEL>(internal->value_);
         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
         return reinterpret_cast<SEL>(internal->value_);

-    } else
-        return CYCastPointer<SEL>(context, value);
+    } else {
+        CYPool pool;
+        return sel_registerName(CYPoolCString(pool, context, value));
+    }

 }
 
 void *CYObjectiveC_ExecuteStart(JSContextRef context) { CYSadTry {
 }
 
 void *CYObjectiveC_ExecuteStart(JSContextRef context) { CYSadTry {


@@ -1432,78 +1466,112 @@ void CYObjectiveC_ExecuteEnd(JSContextRef context, void *handle) { CYSadTry {
     return [(NSAutoreleasePool *) handle release];
 } CYSadCatch() }
 
     return [(NSAutoreleasePool *) handle release];
 } CYSadCatch() }
 

-JSValueRef CYObjectiveC_RuntimeProperty(JSContextRef context, CYUTF8String name) { CYPoolTry {
-    if (name == "nil")
-        return Instance::Make(context, nil);
-    if (Class _class = objc_getClass(name.data))
-        return CYMakeInstance(context, _class, true);
-    if (Protocol *protocol = objc_getProtocol(name.data))
-        return CYMakeInstance(context, protocol, true);
-    return NULL;
-} CYPoolCatch(NULL) return /*XXX*/ NULL; }
-
-static void CYObjectiveC_CallFunction(JSContextRef context, ffi_cif *cif, void (*function)(), uint8_t *value, void **values) { CYSadTry {
-    ffi_call(cif, function, value, values);
+static void CYObjectiveC_CallFunction(CYPool &pool, JSContextRef context, ffi_cif *cif, void (*function)(), void *value, void **values) { CYSadTry {
+    CYCallFunction(pool, context, cif, function, value, values);

 } CYSadCatch() }
 
 } CYSadCatch() }
 

-static bool CYObjectiveC_PoolFFI(CYPool *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYSadTry {
-    switch (type->primitive) {
-        // XXX: do something epic about blocks
-        case sig::block_P:
-        case sig::object_P:
-        case sig::typename_P:
-            // XXX: this works for return values, but not for properties and fields
-            *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
-        break;
+static NSBlock *CYCastNSBlock(CYPool &pool, JSContextRef context, JSValueRef value, const sig::Signature *signature) {
+#ifdef __APPLE__
+    if (JSValueIsNull(context, value))
+        return nil;
+    JSObjectRef object(CYCastJSObject(context, value));

 
 

-        case sig::selector_P:
-            *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
-        break;
+    if (JSValueIsObjectOfClass(context, object, CYPrivate<Block>::Class_))
+        return reinterpret_cast<Instance *>(JSObjectGetPrivate(object))->value_;

 
 

-        default:
-            return false;
+    if (JSValueIsObjectOfClass(context, object, CYPrivate<Instance>::Class_)) {
+        _assert(reinterpret_cast<Instance *>(JSObjectGetPrivate(object))->value_ == nil);
+        return nil;

     }
 
     }
 

-    return true;
-} CYSadCatch(false) }
-
-static JSValueRef CYObjectiveC_FromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) { CYPoolTry {
-    switch (type->primitive) {
-        // XXX: do something epic about blocks
-        case sig::block_P:
-        case sig::object_P:
-            if (NSObject *object = *reinterpret_cast<NSObject **>(data)) {
-                JSValueRef value(CYCastJSValue(context, object));
-                if (initialize)
-                    [object release];
-                return value;
-            } else goto null;
-
-        case sig::typename_P:
-            return CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
-
-        case sig::selector_P:
-            if (SEL sel = *reinterpret_cast<SEL *>(data))
-                return CYMakeSelector(context, sel);
-            else goto null;
-
-        null:
-            return CYJSNull(context);
-        default:
-            return NULL;
+    _assert(JSObjectIsFunction(context, object));
+
+    _assert(signature != NULL);
+    _assert(signature->count != 0);
+
+    sig::Signature modified;
+    modified.count = signature->count + 1;
+    modified.elements = new(pool) sig::Element[modified.count];
+
+    modified.elements[0] = signature->elements[0];
+    memcpy(modified.elements + 2, signature->elements + 1, sizeof(sig::Element) * (signature->count - 1));
+
+    modified.elements[1].name = NULL;
+    modified.elements[1].type = new(pool) sig::Object();
+    modified.elements[1].offset = _not(size_t);
+
+    return CYMakeBlock(context, object, modified);
+#else
+    _assert(false);
+#endif
+}
+
+namespace sig {
+
+void Block::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
+    // XXX: this function actually needs to handle null pools as it is an autorelease
+    _assert(pool != NULL);
+    *reinterpret_cast<id *>(data) = CYCastNSBlock(*pool, context, value, &signature);
+}
+
+// XXX: assigning to an indirect id * works for return values, but not for properties and fields
+void Object::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
+    *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
+}
+
+void Meta::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
+    *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
+}
+
+void Selector::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
+    *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
+}
+
+JSValueRef Object::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
+    NSObject *value(*reinterpret_cast<NSObject **>(data));
+    if (value == NULL)
+        return CYJSNull(context);
+    JSObjectRef object(CYMakeInstance(context, value));
+
+    if (initialize) {
+        Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
+
+        if (internal->IsUninitialized()) {
+            internal->flags_ &= ~Instance::Uninitialized;
+            if (internal->value_ == nil)
+                internal->value_ = value;
+            else
+                _assert(internal->value_ == value);
+        }
+
+        [value release];

     }
     }

-} CYPoolCatch(NULL) return /*XXX*/ NULL; }
+
+    return object;
+}
+
+JSValueRef Meta::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
+    if (Class value = *reinterpret_cast<Class *>(data))
+        return CYMakeInstance(context, value, Instance::Permanent);
+    return CYJSNull(context);
+}
+
+JSValueRef Selector::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
+    return CYCastJSValue(context, *reinterpret_cast<SEL *>(data));
+}
+
+JSValueRef Block::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
+    return CYCastJSValue(context, *reinterpret_cast<NSObject **>(data));
+}
+
+}

 
 static bool CYImplements(id object, Class _class, SEL selector, bool devoid = false) {
     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
         if (!devoid)
             return true;
 
 static bool CYImplements(id object, Class _class, SEL selector, bool devoid = false) {
     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
         if (!devoid)
             return true;

-#if OBJC_API_VERSION >= 2

         char type[16];
         method_getReturnType(method, type, sizeof(type));
         char type[16];
         method_getReturnType(method, type, sizeof(type));

-#else
-        const char *type(method_getTypeEncoding(method));
-#endif

         if (type[0] != 'v')
             return true;
     }
         if (type[0] != 'v')
             return true;
     }


@@ -1512,48 +1580,31 @@ static bool CYImplements(id object, Class _class, SEL selector, bool devoid = fa
     return false;
 }
 
     return false;
 }
 

-static const char *CYPoolTypeEncoding(CYPool &pool, JSContextRef context, SEL sel, objc_method *method) {
-    if (method != NULL)
-        return method_getTypeEncoding(method);
-
-    const char *name(sel_getName(sel));
-    size_t length(strlen(name));
-
-    char keyed[length + 2];
-    keyed[0] = '6';
-    keyed[length + 1] = '\0';
-    memcpy(keyed + 1, name, length);
-
-    if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1))
-        return entry->value_;
-
-    return NULL;
-}
-

 static JSValueRef MessageAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
     JSObjectRef _this(CYCastJSObject(context, values[0]));
     return CYCallAsFunction(context, function, _this, count - 2, values + 2);
 }
 
 static JSValueRef MessageAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
     JSObjectRef _this(CYCastJSObject(context, values[0]));
     return CYCallAsFunction(context, function, _this, count - 2, values + 2);
 }
 

-static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
-    CYExecuteClosure(cif, result, arguments, arg, &MessageAdapter_);
-}
-
-static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
-    Message_privateData *internal(new Message_privateData(sel, type, imp));
-    return JSObjectMake(context, Message_, internal);
+JSObjectRef Message_privateData::Make(JSContextRef context, SEL sel, const char *type, IMP value) {
+    Message_privateData *internal(new Message_privateData(sel, type, value));
+    JSObjectRef object(JSObjectMake(context, Message_privateData::Class_, internal));
+    CYSetPrototype(context, object, CYGetCachedValue(context, CYJSString("Functor_prototype")));
+    return object;

 }
 
 }
 

-static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
+static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *encoding) {

     JSObjectRef function(CYCastJSObject(context, value));
     JSObjectRef function(CYCastJSObject(context, value));

-    Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
+    CYPool pool;
+    sig::Signature signature;
+    sig::Parse(pool, &signature, encoding, &Structor_);
+    Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &MessageAdapter_));

     // XXX: see notes in Library.cpp about needing to leak
     // XXX: see notes in Library.cpp about needing to leak

-    return reinterpret_cast<IMP>(internal->GetValue());
+    return reinterpret_cast<IMP>(internal->value_);

 }
 
 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
 }
 
 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {

-    Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
-    Class _class(internal->GetValue());
+    auto internal(CYPrivate<Messages>::Get(context, object));
+    Class _class(internal->value_);

 
     CYPool pool;
     const char *name(CYPoolCString(pool, context, property));
 
     CYPool pool;
     const char *name(CYPoolCString(pool, context, property));


@@ -1566,104 +1617,120 @@ static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStr
 }
 
 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
 }
 
 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {

-    Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
-    Class _class(internal->GetValue());
+    auto internal(CYPrivate<Messages>::Get(context, object));
+    Class _class(internal->value_);

 
     CYPool pool;
     const char *name(CYPoolCString(pool, context, property));
 
     if (SEL sel = sel_getUid(name))
         if (objc_method *method = class_getInstanceMethod(_class, sel))
 
     CYPool pool;
     const char *name(CYPoolCString(pool, context, property));
 
     if (SEL sel = sel_getUid(name))
         if (objc_method *method = class_getInstanceMethod(_class, sel))

-            return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
+            return Message_privateData::Make(context, sel, method_getTypeEncoding(method), method_getImplementation(method));

 
     return NULL;
 } CYCatch(NULL) }
 
 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
 
     return NULL;
 } CYCatch(NULL) }
 
 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {

-    Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
-    Class _class(internal->GetValue());
+    auto internal(CYPrivate<Messages>::Get(context, object));
+    Class _class(internal->value_);

 
     CYPool pool;
     const char *name(CYPoolCString(pool, context, property));
 
     CYPool pool;
     const char *name(CYPoolCString(pool, context, property));

-

     SEL sel(sel_registerName(name));
 
     SEL sel(sel_registerName(name));
 

-    objc_method *method(class_getInstanceMethod(_class, sel));
-

     const char *type;
     IMP imp;
 
     const char *type;
     IMP imp;
 

-    if (JSValueIsObjectOfClass(context, value, Message_)) {
+    if (JSValueIsObjectOfClass(context, value, Message_privateData::Class_)) {

         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
         type = sig::Unparse(pool, &message->signature_);
         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
         type = sig::Unparse(pool, &message->signature_);

-        imp = reinterpret_cast<IMP>(message->GetValue());
-    } else {
-        type = CYPoolTypeEncoding(pool, context, sel, method);
+        imp = reinterpret_cast<IMP>(message->value_);
+    } else if (objc_method *method = class_getInstanceMethod(_class, sel)) {
+        type = method_getTypeEncoding(method);

         imp = CYMakeMessage(context, value, type);
         imp = CYMakeMessage(context, value, type);

-    }
+    } else return false;

 
 

-    if (method != NULL)
+    objc_method *method(NULL);
+    unsigned int size;
+    objc_method **methods(class_copyMethodList(_class, &size));
+    pool.atexit(free, methods);
+
+    for (size_t i(0); i != size; ++i)
+        if (sel_isEqual(method_getName(methods[i]), sel)) {
+            method = methods[i];
+            break;
+        }
+
+    if (method != NULL)

         method_setImplementation(method, imp);
         method_setImplementation(method, imp);

-    else {
-#ifdef GNU_RUNTIME
-        GSMethodList list(GSAllocMethodList(1));
-        GSAppendMethodToList(list, sel, type, imp, YES);
-        GSAddMethodList(_class, list, YES);
-        GSFlushMethodCacheForClass(_class);
-#else
+    else

         class_addMethod(_class, sel, imp, type);
         class_addMethod(_class, sel, imp, type);

-#endif
-    }

 
     return true;
 } CYCatch(false) }
 
 
     return true;
 } CYCatch(false) }
 

-#if 0 && OBJC_API_VERSION < 2
-static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
-    Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
-    Class _class(internal->GetValue());
+static JSValueRef Messages_complete_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    if (count == 2) {
+        if (!CYCastBool(context, arguments[1]))
+            return CYObjectMakeArray(context, 0, NULL);
+        count = 1;
+    }

 
 

+    _assert(count == 1);

     CYPool pool;
     CYPool pool;

-    const char *name(CYPoolCString(pool, context, property));
+    CYUTF8String prefix(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));

 
 

-    if (SEL sel = sel_getUid(name))
-        if (objc_method *method = class_getInstanceMethod(_class, sel)) {
-            objc_method_list list = {NULL, 1, {method}};
-            class_removeMethods(_class, &list);
-            return true;
-        }
+    auto internal(CYPrivate<Messages>::Get(context, _this));
+    Class _class(internal->value_);

 
 

-    return false;
-} CYCatch(false) }
-#endif
-
-static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
-    Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
-    Class _class(internal->GetValue());
-
-#if OBJC_API_VERSION >= 2

     unsigned int size;
     objc_method **data(class_copyMethodList(_class, &size));
     unsigned int size;
     objc_method **data(class_copyMethodList(_class, &size));

-    for (size_t i(0); i != size; ++i)
-        JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
-    free(data);
-#else
-    for (objc_method_list *methods(_class->methods); methods != NULL; methods = methods->method_next)
-        for (int i(0); i != methods->method_count; ++i)
-            JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(&methods->method_list[i]))));
-#endif
-}
+    pool.atexit(free, data);
+
+    JSObjectRef array(NULL); {
+        CYArrayBuilder<1024> values(context, array);

 
 

-static bool CYHasImplicitProperties(Class _class) {
+        for (size_t i(0); i != size; ++i) {
+            CYUTF8String name(sel_getName(method_getName(data[i])));
+            if (CYStartsWith(name, prefix))
+                values(CYCastJSValue(context, CYJSString(name)));
+        }
+    } return array;
+} CYCatch(NULL) }
+
+static bool CYHasImplicitProperties(JSContextRef context, Class _class) {
+    if (!CYCastBool(context, CYGetCachedValue(context, CYJSString("cydget"))))
+        if (class_getProperty(NSObject_, "description") != NULL)
+            return false;

     // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
     if (!CYImplements(_class, object_getClass(_class), @selector(cy$hasImplicitProperties)))
         return true;
     return [_class cy$hasImplicitProperties];
 }
 
     // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
     if (!CYImplements(_class, object_getClass(_class), @selector(cy$hasImplicitProperties)))
         return true;
     return [_class cy$hasImplicitProperties];
 }
 

+static objc_property_t CYFindProperty(CYPool &pool, Class _class, const char *name) {
+    if (_class == Nil)
+        return NULL;
+    if (objc_property_t property = class_getProperty(_class, name))
+        return property;
+    return NULL;
+
+    /* // XXX: I don't think any of this is required
+    unsigned int count;
+    Protocol **protocols(class_copyProtocolList(_class, &count));
+    // XXX: just implement a scope guard already :/
+    pool.atexit(free, protocols);
+
+    for (unsigned int i(0); i != count; ++i)
+        if (objc_property_t property = protocol_getProperty(protocols[i], name, true, true))
+            return property;
+
+    return CYFindProperty(pool, class_getSuperclass(_class), name); */
+}
+

 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));

-    id self(internal->GetValue());
+    id self(internal->value_);

 
     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
         return true;
 
     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
         return true;


@@ -1686,12 +1753,10 @@ static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStr
 
     const char *string(CYPoolCString(pool, context, name));
 
 
     const char *string(CYPoolCString(pool, context, name));
 

-#ifdef __APPLE__
-    if (class_getProperty(_class, string) != NULL)
+    if (CYFindProperty(pool, _class, string) != NULL)

         return true;
         return true;

-#endif

 
 

-    if (CYHasImplicitProperties(_class))
+    if (CYHasImplicitProperties(context, _class))

         if (SEL sel = sel_getUid(string))
             if (CYImplements(self, _class, sel, true))
                 return true;
         if (SEL sel = sel_getUid(string))
             if (CYImplements(self, _class, sel, true))
                 return true;


@@ -1701,10 +1766,10 @@ static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStr
 
 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 
 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));

-    id self(internal->GetValue());
+    id self(internal->value_);

 
     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
 
     if (JSStringIsEqualToUTF8CString(property, "$cyi"))

-        return Internal::Make(context, self, object);
+        return CYPrivate<Interior>::Make(context, self, context, object);

 
     CYPool pool;
     NSString *name(CYCastNSString(&pool, context, property));
 
     CYPool pool;
     NSString *name(CYCastNSString(&pool, context, property));


@@ -1721,15 +1786,13 @@ static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object,
     const char *string(CYPoolCString(pool, context, name));
     Class _class(object_getClass(self));
 
     const char *string(CYPoolCString(pool, context, name));
     Class _class(object_getClass(self));
 

-#ifdef __APPLE__
-    if (objc_property_t property = class_getProperty(_class, string)) {
+    if (objc_property_t property = CYFindProperty(pool, _class, string)) {

         PropertyAttributes attributes(property);
         SEL sel(sel_registerName(attributes.Getter()));
         return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false);
     }
         PropertyAttributes attributes(property);
         SEL sel(sel_registerName(attributes.Getter()));
         return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false);
     }

-#endif

 
 

-    if (CYHasImplicitProperties(_class))
+    if (CYHasImplicitProperties(context, _class))

         if (SEL sel = sel_getUid(string))
             if (CYImplements(self, _class, sel, true))
                 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false);
         if (SEL sel = sel_getUid(string))
             if (CYImplements(self, _class, sel, true))
                 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false);


@@ -1739,7 +1802,7 @@ static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object,
 
 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 
 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));

-    id self(internal->GetValue());
+    id self(internal->value_);

 
     CYPool pool;
 
 
     CYPool pool;
 


@@ -1754,8 +1817,7 @@ static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStr
     const char *string(CYPoolCString(pool, context, name));
     Class _class(object_getClass(self));
 
     const char *string(CYPoolCString(pool, context, name));
     Class _class(object_getClass(self));
 

-#ifdef __APPLE__
-    if (objc_property_t property = class_getProperty(_class, string)) {
+    if (objc_property_t property = CYFindProperty(pool, _class, string)) {

         PropertyAttributes attributes(property);
         if (const char *setter = attributes.Setter()) {
             SEL sel(sel_registerName(setter));
         PropertyAttributes attributes(property);
         if (const char *setter = attributes.Setter()) {
             SEL sel(sel_registerName(setter));


@@ -1764,7 +1826,6 @@ static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStr
             return true;
         }
     }
             return true;
         }
     }

-#endif

 
     size_t length(strlen(string));
 
 
     size_t length(strlen(string));
 


@@ -1799,7 +1860,7 @@ static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStr
 
 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 
 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));

-    id self(internal->GetValue());
+    id self(internal->value_);

 
     CYPoolTry {
         NSString *name(CYCastNSString(NULL, context, property));
 
     CYPoolTry {
         NSString *name(CYCastNSString(NULL, context, property));


@@ -1807,49 +1868,44 @@ static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JS
     } CYPoolCatch(false)
 } CYCatch(false) return /*XXX*/ false; }
 
     } CYPoolCatch(false)
 } CYCatch(false) return /*XXX*/ false; }
 

-static void Instance_getPropertyNames_message(JSPropertyNameAccumulatorRef names, objc_method *method) {
-    const char *name(sel_getName(method_getName(method)));
-    if (strchr(name, ':') != NULL)
-        return;
+static void CYForEachProperty(CYPool &pool, Class _class, const Functor<void (objc_method *, const char *)> &code) {
+    for (; _class != Nil; _class = class_getSuperclass(_class)) {
+        unsigned int size;
+        objc_method **data(class_copyMethodList(_class, &size));
+        pool.atexit(free, data);
+
+        for (size_t i(0); i != size; ++i) {
+            objc_method *method(data[i]);

 
 

-    const char *type(method_getTypeEncoding(method));
-    if (type == NULL || *type == '\0' || *type == 'v')
-        return;
+            const char *name(sel_getName(method_getName(method)));
+            if (strchr(name, ':') != NULL)
+                continue;

 
 

-    JSPropertyNameAccumulatorAddName(names, CYJSString(name));
+            code(method, name);
+        }
+    }

 }
 
 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 }
 
 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));

-    id self(internal->GetValue());
+    id self(internal->value_);

 
     CYPool pool;
     Class _class(object_getClass(self));
 
 
     CYPool pool;
     Class _class(object_getClass(self));
 

-#ifdef __APPLE__
-    {
+    for (Class current(_class); current != Nil; current = class_getSuperclass(current)) {

         unsigned int size;
         unsigned int size;

-        objc_property_t *data(class_copyPropertyList(_class, &size));
+        objc_property_t *data(class_copyPropertyList(current, &size));
+        pool.atexit(free, data);
+

         for (size_t i(0); i != size; ++i)
             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
         for (size_t i(0); i != size; ++i)
             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));

-        free(data);

     }
     }

-#endif

 
 

-    if (CYHasImplicitProperties(_class))
-        for (Class current(_class); current != nil; current = class_getSuperclass(current)) {
-#if OBJC_API_VERSION >= 2
-            unsigned int size;
-            objc_method **data(class_copyMethodList(current, &size));
-            for (size_t i(0); i != size; ++i)
-                Instance_getPropertyNames_message(names, data[i]);
-            free(data);
-#else
-            for (objc_method_list *methods(current->methods); methods != NULL; methods = methods->method_next)
-                for (int i(0); i != methods->method_count; ++i)
-                    Instance_getPropertyNames_message(names, &methods->method_list[i]);
-#endif
-        }
+    if (CYHasImplicitProperties(context, _class))
+        CYForEachProperty(pool, _class, fun([&](objc_method *method, const char *name) {
+            JSPropertyNameAccumulatorAddName(names, CYJSString(name));
+        }));

 
     CYPoolTry {
         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
 
     CYPoolTry {
         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere


@@ -1858,48 +1914,89 @@ static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object,
     } CYPoolCatch()
 }
 
     } CYPoolCatch()
 }
 

-static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
-    Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
-    JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
-    return value;
-} CYCatch(NULL) }
+static JSValueRef Instance_complete_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    if (!CYJSValueIsNSObject(context, _this))
+        return CYObjectMakeArray(context, 0, NULL);

 
 

-static JSValueRef Instance_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
-    Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
-    id self(internal->GetValue());
+    Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
+    id self(internal->value_);
+
+    _assert(count == 1 || count == 2);
+    CYPool pool;
+    Class _class(object_getClass(self));

 
 

-    if (![self isKindOfClass:NSBlock_])
-        CYThrow("non-NSBlock object is not a function");
-    // XXX: replace above logic with the following assertion
-    //_assert([self isKindOfClass:NSBlock_]);
-    // to do this, make it so FunctionInstance_ is the class of blocks
-    // to do /that/, generalize the various "is exactly Instance_" checks
-    // then, move Instance_callAsFunction to only be on FunctionInstance
+    CYUTF8String prefix(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
+
+    JSObjectRef array(NULL); {
+        CYArrayBuilder<1024> values(context, array);
+
+        CYForEachProperty(pool, _class, fun([&](objc_method *method, const char *name) {
+            if (!CYStartsWith(name, prefix))
+                return;
+            const char *type(method_getTypeEncoding(method));
+            if (type == NULL || *type == '\0' || *type == 'v')
+                return;
+            if (class_getProperty(_class, name) != NULL)
+                return;
+            values(CYCastJSValue(context, CYJSString(pool.strcat(name, "()", NULL))));
+        }));
+    } return array;
+} CYCatchObject() }
+
+static JSObjectRef Constructor_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    auto internal(CYPrivate<Constructor>::Get(context, object));
+    JSObjectRef value(CYMakeInstance(context, [internal->value_ alloc], Instance::Uninitialized));
+    return value;
+} CYCatchObject() }

 
 

+static const char *CYBlockEncoding(NSBlock *self) {

     BlockLiteral *literal(reinterpret_cast<BlockLiteral *>(self));
     BlockLiteral *literal(reinterpret_cast<BlockLiteral *>(self));

+    if ((literal->flags & BLOCK_HAS_SIGNATURE) == 0)
+        return NULL;
+    uint8_t *descriptor(reinterpret_cast<uint8_t *>(literal->descriptor));
+    descriptor += sizeof(BlockDescriptor1);
+    if ((literal->flags & BLOCK_HAS_COPY_DISPOSE) != 0)
+        descriptor += sizeof(BlockDescriptor2);
+    BlockDescriptor3 *descriptor3(reinterpret_cast<BlockDescriptor3 *>(descriptor));
+    return descriptor3->signature;
+}

 
 

-    if ((literal->flags & BLOCK_HAS_SIGNATURE) != 0) {
-        uint8_t *descriptor(reinterpret_cast<uint8_t *>(literal->descriptor));
-        descriptor += sizeof(BlockDescriptor1);
-        if ((literal->flags & BLOCK_HAS_COPY_DISPOSE) != 0)
-            descriptor += sizeof(BlockDescriptor2);
-        BlockDescriptor3 *descriptor3(reinterpret_cast<BlockDescriptor3 *>(descriptor));
+static bool CYBlockSignature(CYPool &pool, NSBlock *self, sig::Signature &signature) {
+    const char *encoding(CYBlockEncoding(self));
+    if (encoding == NULL)
+        return false;

 
 

-        if (const char *type = descriptor3->signature) {
-            CYPool pool;
+    sig::Parse(pool, &signature, encoding, &Structor_);
+    _assert(signature.count >= 2);

 
 

-            void *setup[1];
-            setup[0] = &self;
+    _assert(dynamic_cast<sig::Object *>(signature.elements[1].type) != NULL);
+    signature.elements[1] = signature.elements[0];

 
 

-            sig::Signature signature;
-            sig::Parse(pool, &signature, type, &Structor_);
+    ++signature.elements;
+    --signature.count;

 
 

-            ffi_cif cif;
-            sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
+    return true;
+}

 
 

-            void (*function)() = reinterpret_cast<void (*)()>(literal->invoke);
-            return CYCallFunction(pool, context, 1, setup, count, arguments, false, &signature, &cif, function);
-        }
+static JSValueRef Block_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
+    id self(internal->value_);
+
+    if (const char *encoding = CYBlockEncoding(self)) {
+        CYPool pool;
+
+        void *setup[1];
+        setup[0] = &self;
+
+        sig::Signature signature;
+        sig::Parse(pool, &signature, encoding, &Structor_);
+
+        ffi_cif cif;
+        sig::sig_ffi_cif(pool, 0, signature, &cif);
+
+        BlockLiteral *literal(reinterpret_cast<BlockLiteral *>(self));
+        void (*function)() = reinterpret_cast<void (*)()>(literal->invoke);
+        return CYCallFunction(pool, context, 1, setup, count, arguments, false, false, signature, &cif, function);

     }
 
     if (count != 0)
     }
 
     if (count != 0)


@@ -1912,16 +2009,14 @@ static JSValueRef Instance_callAsFunction(JSContextRef context, JSObjectRef obje
     return NULL;
 } CYCatch(NULL) }
 
     return NULL;
 } CYCatch(NULL) }
 

-static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) { CYTry {
-    Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
-    Class _class(internal->GetValue());
-    if (!CYIsClass(_class))
-        return false;
+static bool Constructor_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) { CYTry {
+    auto internal(CYPrivate<Constructor>::Get(context, constructor));
+    Class _class(internal->value_);

 
     if (CYJSValueIsNSObject(context, instance)) {
         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
         // XXX: this isn't always safe
 
     if (CYJSValueIsNSObject(context, instance)) {
         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
         // XXX: this isn't always safe

-        return [linternal->GetValue() isKindOfClass:_class];
+        return [linternal->value_ isKindOfClass:_class];

     }
 
     return false;
     }
 
     return false;


@@ -1937,11 +2032,11 @@ static JSValueRef Instance_box_callAsFunction(JSContextRef context, JSObjectRef
     return CYCastJSValue(context, [value cy$box]);
 } CYCatch(NULL) }
 
     return CYCastJSValue(context, [value cy$box]);
 } CYCatch(NULL) }
 

-static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
-    Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
+static bool Interior_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
+    Interior *internal(reinterpret_cast<Interior *>(JSObjectGetPrivate(object)));

     CYPool pool;
 
     CYPool pool;
 

-    id self(internal->GetValue());
+    id self(internal->value_);

     const char *name(CYPoolCString(pool, context, property));
 
     if (object_getInstanceVariable(self, name, NULL) != NULL)
     const char *name(CYPoolCString(pool, context, property));
 
     if (object_getInstanceVariable(self, name, NULL) != NULL)


@@ -1950,61 +2045,66 @@ static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStr
     return false;
 }
 
     return false;
 }
 

-static void CYBitField(unsigned &length, unsigned &shift, id self, Ivar ivar, const char *encoding, unsigned offset) {
+static void CYBitField(CYPool &pool, unsigned &length, unsigned &shift, id self, Ivar ivar, const char *encoding, unsigned offset) {

     length = CYCastDouble(encoding + 1);
     shift = 0;
 
     unsigned int size;
     objc_ivar **ivars(class_copyIvarList(object_getClass(self), &size));
     length = CYCastDouble(encoding + 1);
     shift = 0;
 
     unsigned int size;
     objc_ivar **ivars(class_copyIvarList(object_getClass(self), &size));

+    pool.atexit(free, ivars);
+

     for (size_t i(0); i != size; ++i)
         if (ivars[i] == ivar)
             break;
         else if (ivar_getOffset(ivars[i]) == offset) {
             const char *encoding(ivar_getTypeEncoding(ivars[i]));
     for (size_t i(0); i != size; ++i)
         if (ivars[i] == ivar)
             break;
         else if (ivar_getOffset(ivars[i]) == offset) {
             const char *encoding(ivar_getTypeEncoding(ivars[i]));

+            _assert(encoding != NULL);

             _assert(encoding[0] == 'b');
             shift += CYCastDouble(encoding + 1);
         }
             _assert(encoding[0] == 'b');
             shift += CYCastDouble(encoding + 1);
         }

-    free(ivars);

 }
 
 }
 

-static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
-    Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
+static JSValueRef Interior_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+    Interior *internal(reinterpret_cast<Interior *>(JSObjectGetPrivate(object)));

     CYPool pool;
 
     CYPool pool;
 

-    id self(internal->GetValue());
+    id self(internal->value_);

     const char *name(CYPoolCString(pool, context, property));
 
     const char *name(CYPoolCString(pool, context, property));
 

-#ifdef __arm64__
-    if (strcmp(name, "isa") == 0)
-        return CYCastJSValue(context, object_getClass(self));
-#endif
-

     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
         ptrdiff_t offset(ivar_getOffset(ivar));
         void *data(reinterpret_cast<uint8_t *>(self) + offset);
 
         const char *encoding(ivar_getTypeEncoding(ivar));
     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
         ptrdiff_t offset(ivar_getOffset(ivar));
         void *data(reinterpret_cast<uint8_t *>(self) + offset);
 
         const char *encoding(ivar_getTypeEncoding(ivar));

+        _assert(encoding != NULL);
+        _assert(encoding[0] != '\0');

         if (encoding[0] == 'b') {
             unsigned length, shift;
         if (encoding[0] == 'b') {
             unsigned length, shift;

-            CYBitField(length, shift, self, ivar, encoding, offset);
+            CYBitField(pool, length, shift, self, ivar, encoding, offset);

             _assert(shift + length <= sizeof(uintptr_t) * 8);
             uintptr_t &field(*reinterpret_cast<uintptr_t *>(data));
             uintptr_t mask((1 << length) - 1);
             return CYCastJSValue(context, (field >> shift) & mask);
         } else {
             _assert(shift + length <= sizeof(uintptr_t) * 8);
             uintptr_t &field(*reinterpret_cast<uintptr_t *>(data));
             uintptr_t mask((1 << length) - 1);
             return CYCastJSValue(context, (field >> shift) & mask);
         } else {

-            Type_privateData type(pool, ivar_getTypeEncoding(ivar));
-            return CYFromFFI(context, type.type_, type.GetFFI(), data);
+#if defined(__APPLE__) && defined(__LP64__)
+            // XXX: maybe do even more verifications here
+            if (strcmp(name, "isa") == 0)
+                return CYCastJSValue(context, object_getClass(self));
+#endif
+
+            auto type(new(pool) Type_privateData(encoding));
+            return type->type_->FromFFI(context, type->GetFFI(), data);

         }
     }
 
     return NULL;
 } CYCatch(NULL) }
 
         }
     }
 
     return NULL;
 } CYCatch(NULL) }
 

-static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
-    Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
+static bool Interior_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
+    Interior *internal(reinterpret_cast<Interior *>(JSObjectGetPrivate(object)));

     CYPool pool;
 
     CYPool pool;
 

-    id self(internal->GetValue());
+    id self(internal->value_);

     const char *name(CYPoolCString(pool, context, property));
 
     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
     const char *name(CYPoolCString(pool, context, property));
 
     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {


@@ -2012,16 +2112,17 @@ static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStr
         void *data(reinterpret_cast<uint8_t *>(self) + offset);
 
         const char *encoding(ivar_getTypeEncoding(ivar));
         void *data(reinterpret_cast<uint8_t *>(self) + offset);
 
         const char *encoding(ivar_getTypeEncoding(ivar));

+        _assert(encoding != NULL);

         if (encoding[0] == 'b') {
             unsigned length, shift;
         if (encoding[0] == 'b') {
             unsigned length, shift;

-            CYBitField(length, shift, self, ivar, encoding, offset);
+            CYBitField(pool, length, shift, self, ivar, encoding, offset);

             _assert(shift + length <= sizeof(uintptr_t) * 8);
             uintptr_t &field(*reinterpret_cast<uintptr_t *>(data));
             uintptr_t mask((1 << length) - 1);
             field = field & ~(mask << shift) | (uintptr_t(CYCastDouble(context, value)) & mask) << shift;
         } else {
             _assert(shift + length <= sizeof(uintptr_t) * 8);
             uintptr_t &field(*reinterpret_cast<uintptr_t *>(data));
             uintptr_t mask((1 << length) - 1);
             field = field & ~(mask << shift) | (uintptr_t(CYCastDouble(context, value)) & mask) << shift;
         } else {

-            Type_privateData type(pool, ivar_getTypeEncoding(ivar));
-            CYPoolFFI(&pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
+            auto type(new(pool) Type_privateData(ivar_getTypeEncoding(ivar)));
+            type->type_->PoolFFI(&pool, context, type->GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);

             return true;
         }
     }
             return true;
         }
     }


@@ -2029,131 +2130,141 @@ static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStr
     return false;
 } CYCatch(false) }
 
     return false;
 } CYCatch(false) }
 

-static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
+static void Interior_getPropertyNames_(CYPool &pool, Class _class, JSPropertyNameAccumulatorRef names) {

     if (Class super = class_getSuperclass(_class))
     if (Class super = class_getSuperclass(_class))

-        Internal_getPropertyNames_(super, names);
+        Interior_getPropertyNames_(pool, super, names);

 
 

-#if OBJC_API_VERSION >= 2

     unsigned int size;
     objc_ivar **data(class_copyIvarList(_class, &size));
     unsigned int size;
     objc_ivar **data(class_copyIvarList(_class, &size));

+    pool.atexit(free, data);
+

     for (size_t i(0); i != size; ++i)
         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
     for (size_t i(0); i != size; ++i)
         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));

-    free(data);
-#else
-    if (objc_ivar_list *ivars = _class->ivars)
-        for (int i(0); i != ivars->ivar_count; ++i)
-            JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(&ivars->ivar_list[i])));
-#endif

 }
 
 }
 

-static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
-    Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
+static void Interior_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
+    Interior *internal(reinterpret_cast<Interior *>(JSObjectGetPrivate(object)));

     CYPool pool;
 
     CYPool pool;
 

-    id self(internal->GetValue());
+    id self(internal->value_);

     Class _class(object_getClass(self));
 
     Class _class(object_getClass(self));
 

-    Internal_getPropertyNames_(_class, names);
+    Interior_getPropertyNames_(pool, _class, names);

 }
 
 }
 

-static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
-    Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
-    return internal->GetOwner();
+static JSValueRef Interior_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    Interior *internal(reinterpret_cast<Interior *>(JSObjectGetPrivate(object)));
+    return internal->owner_;

 } CYCatch(NULL) }
 
 } CYCatch(NULL) }
 

+static bool ObjectiveC_Classes_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
+    CYPool pool;
+    return objc_getClass(CYPoolCString(pool, context, property)) != Nil;
+}
+

 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     CYPool pool;
     NSString *name(CYCastNSString(&pool, context, property));
     if (Class _class = NSClassFromString(name))
 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     CYPool pool;
     NSString *name(CYCastNSString(&pool, context, property));
     if (Class _class = NSClassFromString(name))

-        return CYMakeInstance(context, _class, true);
+        return CYMakeInstance(context, _class, Instance::Permanent);

     return NULL;
 } CYCatch(NULL) }
 
     return NULL;
 } CYCatch(NULL) }
 

-static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
-#ifdef __APPLE__
-    size_t size(objc_getClassList(NULL, 0));
+static Class *CYCopyClassList(size_t &size) {
+    size = objc_getClassList(NULL, 0);

     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
 
     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
 

-  get:
-    size_t writ(objc_getClassList(data, size));
-    if (size < writ) {
+    for (;;) {
+        size_t writ(objc_getClassList(data, size));
+        if (writ <= size) {
+            size = writ;
+            return data;
+        }
+
+        Class *copy(reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ)));
+        if (copy == NULL) {
+            free(data);
+            return NULL;
+        }
+
+        data = copy;

         size = writ;
         size = writ;

-        if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
-            data = copy;
-            goto get;
-        } else goto done;

     }
     }

+}

 
 

-    for (size_t i(0); i != writ; ++i)
-        JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
+static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
+    CYPool pool;

 
 

-  done:
-    free(data);
-#else
-    void *state(NULL);
-    while (Class _class = objc_next_class(&state))
-        JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(_class)));
-#endif
+    size_t size;
+    if (Class *data = CYCopyClassList(size)) {
+        pool.atexit(free, data);
+        for (size_t i(0); i != size; ++i)
+            JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
+    }

 }
 
 }
 

-#if OBJC_API_VERSION >= 2
+#ifdef __APPLE__

 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
 
     CYPool pool;
     const char *name(CYPoolCString(pool, context, property));
 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
 
     CYPool pool;
     const char *name(CYPoolCString(pool, context, property));

+

     unsigned int size;
     const char **data(objc_copyClassNamesForImage(internal, &size));
     unsigned int size;
     const char **data(objc_copyClassNamesForImage(internal, &size));

+    pool.atexit(free, data);
+

     JSValueRef value;
     for (size_t i(0); i != size; ++i)
         if (strcmp(name, data[i]) == 0) {
     JSValueRef value;
     for (size_t i(0); i != size; ++i)
         if (strcmp(name, data[i]) == 0) {

-            if (Class _class = objc_getClass(name)) {
-                value = CYMakeInstance(context, _class, true);
-                goto free;
-            } else
-                break;
+            if (Class _class = objc_getClass(name))
+                return CYMakeInstance(context, _class, Instance::Permanent);
+            else
+                return NULL;

         }
         }

-    value = NULL;
-  free:
-    free(data);
-    return value;
+
+    return NULL;

 } CYCatch(NULL) }
 
 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
 } CYCatch(NULL) }
 
 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));

+    CYPool pool;
+

     unsigned int size;
     const char **data(objc_copyClassNamesForImage(internal, &size));
     unsigned int size;
     const char **data(objc_copyClassNamesForImage(internal, &size));

+    pool.atexit(free, data);
+

     for (size_t i(0); i != size; ++i)
         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
     for (size_t i(0); i != size; ++i)
         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));

-    free(data);

 }
 
 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     CYPool pool;
 }
 
 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     CYPool pool;

-    const char *name(CYPoolCString(pool, context, property));
+    CYUTF8String name(CYPoolUTF8String(pool, context, property));
+

     unsigned int size;
     const char **data(objc_copyImageNames(&size));
     unsigned int size;
     const char **data(objc_copyImageNames(&size));

+    pool.atexit(free, data);
+

     for (size_t i(0); i != size; ++i)
     for (size_t i(0); i != size; ++i)

-        if (strcmp(name, data[i]) == 0) {
-            name = data[i];
-            goto free;
+        if (name == data[i]) {
+            JSObjectRef value(JSObjectMake(context, NULL, NULL));
+            CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(data[i])));
+            return value;

         }
         }

-    name = NULL;
-  free:
-    free(data);
-    if (name == NULL)
-        return NULL;
-    JSObjectRef value(JSObjectMake(context, NULL, NULL));
-    CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
-    return value;
+
+    return NULL;

 } CYCatch(NULL) }
 
 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
 } CYCatch(NULL) }
 
 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {

+    CYPool pool;
+

     unsigned int size;
     const char **data(objc_copyImageNames(&size));
     unsigned int size;
     const char **data(objc_copyImageNames(&size));

+    pool.atexit(free, data);
+

     for (size_t i(0); i != size; ++i)
         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
     for (size_t i(0); i != size; ++i)
         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));

-    free(data);

 }
 #endif
 
 }
 #endif
 


@@ -2161,27 +2272,26 @@ static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjec
     CYPool pool;
     const char *name(CYPoolCString(pool, context, property));
     if (Protocol *protocol = objc_getProtocol(name))
     CYPool pool;
     const char *name(CYPoolCString(pool, context, property));
     if (Protocol *protocol = objc_getProtocol(name))

-        return CYMakeInstance(context, protocol, true);
+        return CYMakeInstance(context, protocol, Instance::Permanent);

     return NULL;
 } CYCatch(NULL) }
 
 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
     return NULL;
 } CYCatch(NULL) }
 
 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {

-#if OBJC_API_VERSION >= 2
+    CYPool pool;
+

     unsigned int size;
     Protocol **data(objc_copyProtocolList(&size));
     unsigned int size;
     Protocol **data(objc_copyProtocolList(&size));

+    pool.atexit(free, data);
+

     for (size_t i(0); i != size; ++i)
         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
     for (size_t i(0); i != size; ++i)
         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));

-    free(data);
-#else
-    // XXX: fix this!
-#endif

 }
 
 static JSValueRef ObjectiveC_Constants_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     CYPool pool;
     CYUTF8String name(CYPoolUTF8String(pool, context, property));
     if (name == "nil")
 }
 
 static JSValueRef ObjectiveC_Constants_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     CYPool pool;
     CYUTF8String name(CYPoolUTF8String(pool, context, property));
     if (name == "nil")

-        return Instance::Make(context, nil);
+        return CYJSNull(context);

     return NULL;
 } CYCatch(NULL) }
 
     return NULL;
 } CYCatch(NULL) }
 


@@ -2189,6 +2299,103 @@ static void ObjectiveC_Constants_getPropertyNames(JSContextRef context, JSObject
     JSPropertyNameAccumulatorAddName(names, CYJSString("nil"));
 }
 
     JSPropertyNameAccumulatorAddName(names, CYJSString("nil"));
 }
 

+#ifdef __APPLE__
+static kern_return_t CYReadMemory(task_t task, vm_address_t address, vm_size_t size, void **data) {
+    *data = reinterpret_cast<void *>(address);
+    return KERN_SUCCESS;
+}
+
+struct CYChoice {
+    std::set<Class> query_;
+    JSContextRef context_;
+    JSObjectRef results_;
+};
+
+struct CYObjectStruct {
+    Class isa_;
+};
+
+static void choose_(task_t task, void *baton, unsigned type, vm_range_t *ranges, unsigned count) {
+    CYChoice *choice(reinterpret_cast<CYChoice *>(baton));
+    JSContextRef context(choice->context_);
+
+    for (unsigned i(0); i != count; ++i) {
+        vm_range_t &range(ranges[i]);
+        void *data(reinterpret_cast<void *>(range.address));
+        size_t size(range.size);
+
+        if (size < sizeof(CYObjectStruct))
+            continue;
+
+        uintptr_t *pointers(reinterpret_cast<uintptr_t *>(data));
+#if defined(__APPLE__) && defined(__LP64__)
+        Class isa(reinterpret_cast<Class>(pointers[0] & 0x1fffffff8));
+#else
+        Class isa(reinterpret_cast<Class>(pointers[0]));
+#endif
+
+        std::set<Class>::const_iterator result(choice->query_.find(isa));
+        if (result == choice->query_.end())
+            continue;
+
+        size_t needed(class_getInstanceSize(*result));
+        // XXX: if (size < needed)
+
+        size_t boundary(496);
+#ifdef __LP64__
+        boundary *= 2;
+#endif
+        if (needed <= boundary && (needed + 15) / 16 * 16 != size || needed > boundary && (needed + 511) / 512 * 512 != size)
+            continue;
+        CYArrayPush(context, choice->results_, CYCastJSValue(context, reinterpret_cast<id>(data)));
+    }
+}
+
+static JSValueRef choose(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    if (count != 1)
+        throw CYJSError(context, "choose() takes a class argument");
+
+    CYGarbageCollect(context);
+
+    CYPool pool;
+    id _class(CYCastNSObject(&pool, context, arguments[0]));
+
+    vm_address_t *zones(NULL);
+    unsigned size(0);
+    kern_return_t error(malloc_get_all_zones(0, &CYReadMemory, &zones, &size));
+    _assert(error == KERN_SUCCESS);
+
+    JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array")));
+    JSObjectRef results(_jsccall(JSObjectCallAsConstructor, context, Array, 0, NULL));
+
+    CYChoice choice;
+    choice.context_ = context;
+    choice.results_ = results;
+
+    size_t number;
+    Class *classes(CYCopyClassList(number));
+    _assert(classes != NULL);
+    pool.atexit(free, classes);
+
+    for (size_t i(0); i != number; ++i)
+        for (Class current(classes[i]); current != Nil; current = class_getSuperclass(current))
+            if (current == _class) {
+                choice.query_.insert(classes[i]);
+                break;
+            }
+
+    for (unsigned i(0); i != size; ++i) {
+        const malloc_zone_t *zone(reinterpret_cast<const malloc_zone_t *>(zones[i]));
+        if (zone == NULL || zone->introspect == NULL)
+            continue;
+
+        zone->introspect->enumerator(mach_task_self(), &choice, MALLOC_PTR_IN_USE_RANGE_TYPE, zones[i], &CYReadMemory, &choose_);
+    }
+
+    return results;
+} CYCatch(NULL) }
+#endif
+

 #ifdef __APPLE__
 #if defined(__i386__) || defined(__x86_64__)
 #define OBJC_MAX_STRUCT_BY_VALUE 8
 #ifdef __APPLE__
 #if defined(__i386__) || defined(__x86_64__)
 #define OBJC_MAX_STRUCT_BY_VALUE 8


@@ -2212,6 +2419,8 @@ static bool stret(ffi_type *ffi_type) {
     );
 }
 #endif
     );
 }
 #endif

+#else
+#define CY_NO_STRET

 #endif
 
 JSValueRef CYSendMessage(CYPool &pool, JSContextRef context, id self, Class _class, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize) {
 #endif
 
 JSValueRef CYSendMessage(CYPool &pool, JSContextRef context, id self, Class _class, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize) {


@@ -2229,11 +2438,14 @@ JSValueRef CYSendMessage(CYPool &pool, JSContextRef context, id self, Class _cla
         imp = NULL;
 
         CYPoolTry {
         imp = NULL;
 
         CYPoolTry {

-            NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
-            if (method == nil)
-                throw CYJSError(context, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
-            type = CYPoolCString(pool, context, [method _typeString]);
+            if (NSMethodSignature *method = [self methodSignatureForSelector:_cmd])
+                type = CYPoolCString(pool, context, [method _typeString]);
+            else
+                type = NULL;

         } CYPoolCatch(NULL)
         } CYPoolCatch(NULL)

+
+        if (type == NULL)
+            throw CYJSError(context, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);

     }
 
     void *setup[2];
     }
 
     void *setup[2];


@@ -2243,45 +2455,20 @@ JSValueRef CYSendMessage(CYPool &pool, JSContextRef context, id self, Class _cla
     sig::Signature signature;
     sig::Parse(pool, &signature, type, &Structor_);
 
     sig::Signature signature;
     sig::Parse(pool, &signature, type, &Structor_);
 

-    size_t used(count + 3);
-    if (used > signature.count) {
-        sig::Element *elements(new (pool) sig::Element[used]);
-        memcpy(elements, signature.elements, used * sizeof(sig::Element));
-
-        for (size_t index(signature.count); index != used; ++index) {
-            sig::Element *element(&elements[index]);
-            element->name = NULL;
-            element->offset = _not(size_t);
-
-            sig::Type *type(new (pool) sig::Type);
-            memset(type, 0, sizeof(*type));
-            type->primitive = sig::object_P;
-            element->type = type;
-        }
-
-        signature.elements = elements;
-        signature.count = used;
-    }
-

     ffi_cif cif;
     ffi_cif cif;

-    sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
+    sig::sig_ffi_cif(pool, 0, signature, &cif);

 
     if (imp == NULL) {
 
     if (imp == NULL) {

-#ifdef __APPLE__

 #ifndef CY_NO_STRET
         if (stret(cif.rtype))
             imp = class_getMethodImplementation_stret(_class, _cmd);
         else
 #endif
             imp = class_getMethodImplementation(_class, _cmd);
 #ifndef CY_NO_STRET
         if (stret(cif.rtype))
             imp = class_getMethodImplementation_stret(_class, _cmd);
         else
 #endif
             imp = class_getMethodImplementation(_class, _cmd);

-#else
-        objc_super super = {self, _class};
-        imp = objc_msg_lookup_super(&super, _cmd);
-#endif

     }
 
     void (*function)() = reinterpret_cast<void (*)()>(imp);
     }
 
     void (*function)() = reinterpret_cast<void (*)()>(imp);

-    return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, &signature, &cif, function);
+    return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, true, signature, &cif, function);

 }
 
 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 }
 
 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {


@@ -2296,17 +2483,17 @@ static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObje
     SEL _cmd;
     Class _class;
 
     SEL _cmd;
     Class _class;
 

-    if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
+    if (JSValueIsObjectOfClass(context, arguments[0], CYPrivate<cy::Super>::Class_)) {

         cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
         cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));

-        self = internal->GetValue();
+        self = internal->value_;

         _class = internal->class_;;
         uninitialized = false;
     } else if (CYJSValueIsNSObject(context, arguments[0])) {
         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
         _class = internal->class_;;
         uninitialized = false;
     } else if (CYJSValueIsNSObject(context, arguments[0])) {
         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));

-        self = internal->GetValue();
+        self = internal->value_;

         _class = nil;
         uninitialized = internal->IsUninitialized();
         _class = nil;
         uninitialized = internal->IsUninitialized();

-        if (uninitialized)
+        if (uninitialized && [internal->value_ retainCount] != NSUInteger(-1))

             internal->value_ = nil;
     } else {
         self = CYCastNSObject(&pool, context, arguments[0]);
             internal->value_ = nil;
     } else {
         self = CYCastNSObject(&pool, context, arguments[0]);


@@ -2345,83 +2532,78 @@ static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef objec
     setup[0] = &self;
     setup[1] = &internal->sel_;
 
     setup[0] = &self;
     setup[1] = &internal->sel_;
 

-    return CYCallFunction(pool, context, 2, setup, count, arguments, false, &internal->signature_, &internal->cif_, internal->GetValue());
+    return CYCallFunction(pool, context, 2, setup, count, arguments, false, true, internal->signature_, &internal->cif_, internal->value_);

 } CYCatch(NULL) }
 
 } CYCatch(NULL) }
 

+CYPropertyName *Message_privateData::GetName(CYPool &pool) const {
+    return new(pool) CYString(pool.strcat(":", sel_getName(sel_), NULL));
+}
+

 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 2)
 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 2)

-        throw CYJSError(context, "incorrect number of arguments to Super constructor");
+        throw CYJSError(context, "incorrect number of arguments to objc_super constructor");

     CYPool pool;
     id self(CYCastNSObject(&pool, context, arguments[0]));
     Class _class(CYCastClass(pool, context, arguments[1]));
     CYPool pool;
     id self(CYCastNSObject(&pool, context, arguments[0]));
     Class _class(CYCastClass(pool, context, arguments[1]));

-    return cy::Super::Make(context, self, _class);
-} CYCatch(NULL) }
+    return CYPrivate<cy::Super>::Make(context, self, _class);
+} CYCatchObject() }

 
 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 1)
         throw CYJSError(context, "incorrect number of arguments to Selector constructor");
     CYPool pool;
     const char *name(CYPoolCString(pool, context, arguments[0]));
 
 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (count != 1)
         throw CYJSError(context, "incorrect number of arguments to Selector constructor");
     CYPool pool;
     const char *name(CYPoolCString(pool, context, arguments[0]));

-    return CYMakeSelector(context, sel_registerName(name));
-} CYCatch(NULL) }
+    return CYPrivate<Selector_privateData>::Make(context, sel_registerName(name));
+} CYCatchObject() }

 
 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 
 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {

-    if (count > 1)
+    if (count != 1)

         throw CYJSError(context, "incorrect number of arguments to Instance constructor");
         throw CYJSError(context, "incorrect number of arguments to Instance constructor");

-    id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
-    return CYMakeInstance(context, self, false);
-} CYCatch(NULL) }
+    return CYMakeInstance(context, CYCastPointer<id>(context, arguments[0]));
+} CYCatchObject() }

 
 

-static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
-    CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
-    return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
+static JSValueRef Selector_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+    return CYMakeType(context, sig::Selector());

 } CYCatch(NULL) }
 
 } CYCatch(NULL) }
 

-static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
-    CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
-    Type_privateData *typical(internal->GetType());
-
-    sig::Type *type;
-    ffi_type *ffi;
-
-    if (typical == NULL) {
-        type = NULL;
-        ffi = NULL;
-    } else {
-        type = typical->type_;
-        ffi = typical->ffi_;
-    }
-
-    return CYMakePointer(context, &internal->value_, _not(size_t), type, ffi, object);
+static JSValueRef Instance_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+    Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
+    id self(internal->value_);
+    return CYMakeType(context, sig::Object(class_getName(object_getClass(self))));

 } CYCatch(NULL) }
 
 } CYCatch(NULL) }
 

-static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+static JSValueRef FunctionInstance_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {

     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));

-    return Instance::Make(context, (id) object_getClass(internal->GetValue()));
+    CYPool pool;
+    sig::Block type;
+    if (!CYBlockSignature(pool, internal->value_, type.signature))
+        return CYJSNull(context);
+    return CYMakeType(context, type);
+} CYCatch(NULL) }
+
+static JSValueRef Constructor_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+    return CYMakeType(context, sig::Meta());

 } CYCatch(NULL) }
 
 } CYCatch(NULL) }
 

-static JSValueRef Instance_getProperty_prototype(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {

     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));

-    id self(internal->GetValue());
-    if (!CYIsClass(self))
-        return CYJSUndefined(context);
-    return CYGetClassPrototype(context, self);
+    return CYMakeInstance(context, object_getClass(internal->value_), Instance::Permanent);

 } CYCatch(NULL) }
 
 } CYCatch(NULL) }
 

-static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+static JSValueRef Constructor_getProperty_prototype(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {

     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));

-    id self(internal->GetValue());
-    if (!CYIsClass(self))
-        return CYJSUndefined(context);
-    return Messages::Make(context, (Class) self);
+    id self(internal->value_);
+    return CYPrivate<Messages>::Cache(context, self);

 } CYCatch(NULL) }
 
 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 } CYCatch(NULL) }
 
 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {

+    std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
+

     if (!CYJSValueIsNSObject(context, _this))
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
     if (!CYJSValueIsNSObject(context, _this))
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));

-    return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue(), false)));
+    return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->value_, false, objects)));

 } CYCatch(NULL) }
 
 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 } CYCatch(NULL) }
 
 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {


@@ -2429,7 +2611,7 @@ static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectR
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));

-    id value(internal->GetValue());
+    id value(internal->value_);

 
     CYPoolTry {
         NSString *key;
 
     CYPoolTry {
         NSString *key;


@@ -2452,7 +2634,8 @@ static JSValueRef Instance_callAsFunction_valueOf(JSContextRef context, JSObject
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));

-    id value(internal->GetValue());
+    id value(internal->value_);
+    _assert(value != nil);

 
     if (![value respondsToSelector:@selector(cy$valueOfInContext:)])
         return _this;
 
     if (![value respondsToSelector:@selector(cy$valueOfInContext:)])
         return _this;


@@ -2466,10 +2649,8 @@ static JSValueRef Instance_callAsFunction_valueOf(JSContextRef context, JSObject
 static JSValueRef Instance_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (!CYJSValueIsNSObject(context, _this))
         return NULL;
 static JSValueRef Instance_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     if (!CYJSValueIsNSObject(context, _this))
         return NULL;

-

     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));

-    // XXX: but... but... THIS ISN'T A POINTER! :(
-    return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->GetValue()));
+    return CYMakePointer(context, internal->value_, sig::Void(true), NULL, object);

 } CYCatch(NULL) return /*XXX*/ NULL; }
 
 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 } CYCatch(NULL) return /*XXX*/ NULL; }
 
 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {


@@ -2477,7 +2658,7 @@ static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjec
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));

-    id value(internal->GetValue());
+    id value(internal->value_);

 
     CYPoolTry {
         // XXX: this seems like a stupid implementation; what if it crashes? why not use the CYONifier backend?
 
     CYPoolTry {
         // XXX: this seems like a stupid implementation; what if it crashes? why not use the CYONifier backend?


@@ -2490,26 +2671,18 @@ static JSValueRef Class_callAsFunction_pointerTo(JSContextRef context, JSObjectR
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));

-    id value(internal->GetValue());
+    id value(internal->value_);

 
     if (!CYIsClass(value))
         CYThrow("non-Class object cannot be used as Type");
 
 
     if (!CYIsClass(value))
         CYThrow("non-Class object cannot be used as Type");
 

-    // XXX: this is a very silly implementation
-
-    std::ostringstream type;
-    type << "@\"";
-    type << class_getName(value);
-    type << "\"";
-
-    CYPoolTry {
-        return CYMakeType(context, type.str().c_str());
-    } CYPoolCatch(NULL)
+    sig::Object type(class_getName(value));
+    return CYMakeType(context, type);

 } CYCatch(NULL) return /*XXX*/ NULL; }
 
 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
 } CYCatch(NULL) return /*XXX*/ NULL; }
 
 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));

-    return CYCastJSValue(context, sel_getName(internal->GetValue()));
+    return CYCastJSValue(context, sel_getName(internal->value_));

 } CYCatch(NULL) }
 
 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
 } CYCatch(NULL) }
 
 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {


@@ -2518,7 +2691,7 @@ static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectR
 
 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
 
 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));

-    const char *name(sel_getName(internal->GetValue()));
+    const char *name(sel_getName(internal->value_));

 
     CYPoolTry {
         NSString *string([NSString stringWithFormat:@"@selector(%s)", name]);
 
     CYPoolTry {
         NSString *string([NSString stringWithFormat:@"@selector(%s)", name]);


@@ -2532,35 +2705,39 @@ static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef
 
     CYPool pool;
     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
 
     CYPool pool;
     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));

-    SEL sel(internal->GetValue());
-
-    objc_method *method;
-    if (Class _class = CYCastClass(pool, context, arguments[0]))
-        method = class_getInstanceMethod(_class, sel);
-    else
-        method = NULL;
+    SEL sel(internal->value_);

 
 

-    if (const char *type = CYPoolTypeEncoding(pool, context, sel, method))
-        return CYCastJSValue(context, CYJSString(type));
+    Class _class(_require(CYCastClass(pool, context, arguments[0])));
+    objc_method *method(_require(class_getInstanceMethod(_class, sel)));
+    const char *encoding(method_getTypeEncoding(method));

 
 

-    return CYJSNull(context);
+    sig::Function type(false);
+    sig::Parse(pool, &type.signature, encoding, &Structor_);
+    return CYMakeType(context, type);

 } CYCatch(NULL) }
 
 static JSStaticValue Selector_staticValues[2] = {
 } CYCatch(NULL) }
 
 static JSStaticValue Selector_staticValues[2] = {

-    {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
+    {"$cyt", &Selector_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},

     {NULL, NULL, NULL, 0}
 };
 
     {NULL, NULL, NULL, 0}
 };
 

-static JSStaticValue Instance_staticValues[5] = {
+static JSStaticValue Instance_staticValues[3] = {
+    {"$cyt", &Instance_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},

     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},

-    {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
-    {"prototype", &Instance_getProperty_prototype, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
-    {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {NULL, NULL, NULL, 0}
+};
+
+static JSStaticValue Block_staticValues[3] = {
+    {"$cyt", &FunctionInstance_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},

     {NULL, NULL, NULL, 0}
 };
 
 static JSStaticFunction Instance_staticFunctions[7] = {
     {NULL, NULL, NULL, 0}
 };
 
 static JSStaticFunction Instance_staticFunctions[7] = {

-    {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"cy$complete", &Instance_complete_callAsFunction, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {NULL, NULL, 0}
+};
+
+static JSStaticFunction Prototype_staticFunctions[6] = {

     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"valueOf", &Instance_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"valueOf", &Instance_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},


@@ -2569,13 +2746,24 @@ static JSStaticFunction Instance_staticFunctions[7] = {
     {NULL, NULL, 0}
 };
 
     {NULL, NULL, 0}
 };
 

-static JSStaticFunction Class_staticFunctions[2] = {
+static JSStaticFunction Messages_staticFunctions[2] = {
+    {"cy$complete", &Messages_complete_callAsFunction, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {NULL, NULL, 0}
+};
+
+static JSStaticValue Constructor_staticValues[3] = {
+    {"$cyt", &Constructor_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"prototype", &Constructor_getProperty_prototype, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {NULL, NULL, NULL, 0}
+};
+
+static JSStaticFunction Constructor_staticFunctions[2] = {

     {"pointerTo", &Class_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {NULL, NULL, 0}
 };
 
     {"pointerTo", &Class_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {NULL, NULL, 0}
 };
 

-static JSStaticFunction Internal_staticFunctions[2] = {
-    {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+static JSStaticFunction Interior_staticFunctions[2] = {
+    {"$cya", &Interior_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},

     {NULL, NULL, 0}
 };
 
     {NULL, NULL, 0}
 };
 


@@ -2594,22 +2782,17 @@ JSValueRef NSCFType$cy$toJSON$inContext$(id self, SEL sel, JSValueRef key, JSCon
 #endif
 
 void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
 #endif
 
 void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {

-    $objc_setAssociatedObject = reinterpret_cast<void (*)(id, void *, id value, objc_AssociationPolicy)>(dlsym(RTLD_DEFAULT, "objc_setAssociatedObject"));
-    $objc_getAssociatedObject = reinterpret_cast<id (*)(id, void *)>(dlsym(RTLD_DEFAULT, "objc_getAssociatedObject"));
-    $objc_removeAssociatedObjects = reinterpret_cast<void (*)(id)>(dlsym(RTLD_DEFAULT, "objc_removeAssociatedObjects"));
-
-    CYPool &pool(CYGetGlobalPool());
-
-    Object_type = new(pool) Type_privateData("@");
-    Selector_type = new(pool) Type_privateData(":");
-

     NSArray_ = objc_getClass("NSArray");
     NSBlock_ = objc_getClass("NSBlock");
     NSDictionary_ = objc_getClass("NSDictionary");
     NSArray_ = objc_getClass("NSArray");
     NSBlock_ = objc_getClass("NSBlock");
     NSDictionary_ = objc_getClass("NSDictionary");

+    NSNumber_ = objc_getClass("NSNumber");
+    NSObject_ = objc_getClass("NSObject");

     NSString_ = objc_getClass("NSString");
     Object_ = objc_getClass("Object");
 
 #ifdef __APPLE__
     NSString_ = objc_getClass("NSString");
     Object_ = objc_getClass("Object");
 
 #ifdef __APPLE__

+    __NSMallocBlock__ = objc_getClass("__NSMallocBlock__");
+

     // XXX: apparently, iOS now has both of these
     NSCFBoolean_ = objc_getClass("__NSCFBoolean");
     if (NSCFBoolean_ == nil)
     // XXX: apparently, iOS now has both of these
     NSCFBoolean_ = objc_getClass("__NSCFBoolean");
     if (NSCFBoolean_ == nil)


@@ -2618,19 +2801,24 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
     NSCFType_ = objc_getClass("NSCFType");
 
     NSZombie_ = objc_getClass("_NSZombie_");
     NSCFType_ = objc_getClass("NSCFType");
 
     NSZombie_ = objc_getClass("_NSZombie_");

-
-    banned_.insert(Object_);
-    banned_.insert(objc_getClass("__NSAtom"));
-    banned_.insert(objc_getClass("__NSGenericDeallocHandler"));
-    banned_.insert(objc_getClass("NSMessageBuilder"));
-    banned_.insert(objc_getClass("__NSMessageBuilder"));

 #else
     NSBoolNumber_ = objc_getClass("NSBoolNumber");
 #else
     NSBoolNumber_ = objc_getClass("NSBoolNumber");

+    NSZombie_ = objc_getClass("NSZombie");

 #endif
 
     JSClassDefinition definition;
 
     definition = kJSClassDefinitionEmpty;
 #endif
 
     JSClassDefinition definition;
 
     definition = kJSClassDefinitionEmpty;

+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;
+    definition.className = "Messages";
+    definition.staticFunctions = Messages_staticFunctions;
+    definition.hasProperty = &Messages_hasProperty;
+    definition.getProperty = &Messages_getProperty;
+    definition.setProperty = &Messages_setProperty;
+    CYPrivate<Messages>::Class_ = JSClassCreate(&definition);
+
+    definition = kJSClassDefinitionEmpty;
+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;

     definition.className = "Instance";
     definition.staticValues = Instance_staticValues;
     definition.staticFunctions = Instance_staticFunctions;
     definition.className = "Instance";
     definition.staticValues = Instance_staticValues;
     definition.staticFunctions = Instance_staticFunctions;


@@ -2639,57 +2827,51 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
     definition.setProperty = &Instance_setProperty;
     definition.deleteProperty = &Instance_deleteProperty;
     definition.getPropertyNames = &Instance_getPropertyNames;
     definition.setProperty = &Instance_setProperty;
     definition.deleteProperty = &Instance_deleteProperty;
     definition.getPropertyNames = &Instance_getPropertyNames;

-    definition.callAsConstructor = &Instance_callAsConstructor;
-    definition.callAsFunction = &Instance_callAsFunction;
-    definition.hasInstance = &Instance_hasInstance;

     definition.finalize = &CYFinalize;
     definition.finalize = &CYFinalize;

-    Instance_ = JSClassCreate(&definition);
-
-    definition.className = "ArrayInstance";
-    ArrayInstance_ = JSClassCreate(&definition);
-
-    definition.className = "FunctionInstance";
-    FunctionInstance_ = JSClassCreate(&definition);
+    CYPrivate<Instance>::Class_ = JSClassCreate(&definition);

 
 

-    definition.className = "ObjectInstance";
-    ObjectInstance_ = JSClassCreate(&definition);
-
-    definition.className = "StringInstance";
-    StringInstance_ = JSClassCreate(&definition);
+    definition = kJSClassDefinitionEmpty;
+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;
+    definition.className = "Block";
+    definition.parentClass = CYPrivate<Instance>::Class_;
+    definition.staticValues = Block_staticValues;
+    definition.callAsFunction = &Block_callAsFunction;
+    CYPrivate<Block>::Class_ = JSClassCreate(&definition);

 
     definition = kJSClassDefinitionEmpty;
 
     definition = kJSClassDefinitionEmpty;

-    definition.className = "Class";
-    definition.staticFunctions = Class_staticFunctions;
-    Class_ = JSClassCreate(&definition);
+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;
+    definition.className = "Constructor";
+    definition.parentClass = CYPrivate<Instance>::Class_;
+    definition.staticValues = Constructor_staticValues;
+    definition.staticFunctions = Constructor_staticFunctions;
+    definition.hasInstance = &Constructor_hasInstance;
+    definition.callAsConstructor = &Constructor_callAsConstructor;
+    CYPrivate<Constructor>::Class_ = JSClassCreate(&definition);

 
     definition = kJSClassDefinitionEmpty;
 
     definition = kJSClassDefinitionEmpty;

-    definition.className = "Internal";
-    definition.staticFunctions = Internal_staticFunctions;
-    definition.hasProperty = &Internal_hasProperty;
-    definition.getProperty = &Internal_getProperty;
-    definition.setProperty = &Internal_setProperty;
-    definition.getPropertyNames = &Internal_getPropertyNames;
+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;
+    definition.className = "Interior";
+    definition.staticFunctions = Interior_staticFunctions;
+    definition.hasProperty = &Interior_hasProperty;
+    definition.getProperty = &Interior_getProperty;
+    definition.setProperty = &Interior_setProperty;
+    definition.getPropertyNames = &Interior_getPropertyNames;

     definition.finalize = &CYFinalize;
     definition.finalize = &CYFinalize;

-    Internal_ = JSClassCreate(&definition);
+    CYPrivate<Interior>::Class_ = JSClassCreate(&definition);

 
     definition = kJSClassDefinitionEmpty;
     definition.className = "Message";
 
     definition = kJSClassDefinitionEmpty;
     definition.className = "Message";

-    definition.staticFunctions = cy::Functor::StaticFunctions;
+    definition.parentClass = cy::Functor::Class_;

     definition.callAsFunction = &Message_callAsFunction;
     definition.finalize = &CYFinalize;
     definition.callAsFunction = &Message_callAsFunction;
     definition.finalize = &CYFinalize;

-    Message_ = JSClassCreate(&definition);
+    Message_privateData::Class_ = JSClassCreate(&definition);

 
     definition = kJSClassDefinitionEmpty;
 
     definition = kJSClassDefinitionEmpty;

-    definition.className = "Messages";
-    definition.hasProperty = &Messages_hasProperty;
-    definition.getProperty = &Messages_getProperty;
-    definition.setProperty = &Messages_setProperty;
-#if 0 && OBJC_API_VERSION < 2
-    definition.deleteProperty = &Messages_deleteProperty;
-#endif
-    definition.getPropertyNames = &Messages_getPropertyNames;
+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;
+    definition.className = "Prototype";
+    definition.staticFunctions = Prototype_staticFunctions;

     definition.finalize = &CYFinalize;
     definition.finalize = &CYFinalize;

-    Messages_ = JSClassCreate(&definition);
+    CYPrivate<Prototype>::Class_ = JSClassCreate(&definition);

 
     definition = kJSClassDefinitionEmpty;
     definition.className = "Selector";
 
     definition = kJSClassDefinitionEmpty;
     definition.className = "Selector";


@@ -2697,34 +2879,39 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
     definition.staticFunctions = Selector_staticFunctions;
     definition.callAsFunction = &Selector_callAsFunction;
     definition.finalize = &CYFinalize;
     definition.staticFunctions = Selector_staticFunctions;
     definition.callAsFunction = &Selector_callAsFunction;
     definition.finalize = &CYFinalize;

-    Selector_ = JSClassCreate(&definition);
+    CYPrivate<Selector_privateData>::Class_ = JSClassCreate(&definition);

 
     definition = kJSClassDefinitionEmpty;
 
     definition = kJSClassDefinitionEmpty;

+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;

     definition.className = "Super";
     definition.className = "Super";

-    definition.staticFunctions = Internal_staticFunctions;

     definition.finalize = &CYFinalize;
     definition.finalize = &CYFinalize;

-    Super_ = JSClassCreate(&definition);
+    CYPrivate<cy::Super>::Class_ = JSClassCreate(&definition);

 
     definition = kJSClassDefinitionEmpty;
 
     definition = kJSClassDefinitionEmpty;

+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;

     definition.className = "ObjectiveC::Classes";
     definition.className = "ObjectiveC::Classes";

+    definition.hasProperty = &ObjectiveC_Classes_hasProperty;

     definition.getProperty = &ObjectiveC_Classes_getProperty;
     definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
     ObjectiveC_Classes_ = JSClassCreate(&definition);
 
     definition = kJSClassDefinitionEmpty;
     definition.getProperty = &ObjectiveC_Classes_getProperty;
     definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
     ObjectiveC_Classes_ = JSClassCreate(&definition);
 
     definition = kJSClassDefinitionEmpty;

+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;

     definition.className = "ObjectiveC::Constants";
     definition.getProperty = &ObjectiveC_Constants_getProperty;
     definition.getPropertyNames = &ObjectiveC_Constants_getPropertyNames;
     ObjectiveC_Constants_ = JSClassCreate(&definition);
 
     definition.className = "ObjectiveC::Constants";
     definition.getProperty = &ObjectiveC_Constants_getProperty;
     definition.getPropertyNames = &ObjectiveC_Constants_getPropertyNames;
     ObjectiveC_Constants_ = JSClassCreate(&definition);
 

-#if OBJC_API_VERSION >= 2
+#ifdef __APPLE__

     definition = kJSClassDefinitionEmpty;
     definition = kJSClassDefinitionEmpty;

+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;

     definition.className = "ObjectiveC::Images";
     definition.getProperty = &ObjectiveC_Images_getProperty;
     definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
     ObjectiveC_Images_ = JSClassCreate(&definition);
 
     definition = kJSClassDefinitionEmpty;
     definition.className = "ObjectiveC::Images";
     definition.getProperty = &ObjectiveC_Images_getProperty;
     definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
     ObjectiveC_Images_ = JSClassCreate(&definition);
 
     definition = kJSClassDefinitionEmpty;

+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;

     definition.className = "ObjectiveC::Image::Classes";
     definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
     definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
     definition.className = "ObjectiveC::Image::Classes";
     definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
     definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;


@@ -2732,18 +2919,21 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
 #endif
 
     definition = kJSClassDefinitionEmpty;
 #endif
 
     definition = kJSClassDefinitionEmpty;

+    definition.attributes = kJSClassAttributeNoAutomaticPrototype;

     definition.className = "ObjectiveC::Protocols";
     definition.getProperty = &ObjectiveC_Protocols_getProperty;
     definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
     ObjectiveC_Protocols_ = JSClassCreate(&definition);
 
 #ifdef __APPLE__
     definition.className = "ObjectiveC::Protocols";
     definition.getProperty = &ObjectiveC_Protocols_getProperty;
     definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
     ObjectiveC_Protocols_ = JSClassCreate(&definition);
 
 #ifdef __APPLE__

-// XXX: this is horrible; there has to be a better way to do this
-#ifdef __LP64__
-    class_addMethod(NSCFType_, @selector(cy$toJSON:inContext:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON$inContext$), "^{OpaqueJSValue=}32@0:8@16^{OpaqueJSContext=}24");
-#else
-    class_addMethod(NSCFType_, @selector(cy$toJSON:inContext:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON$inContext$), "^{OpaqueJSValue=}16@0:4@8^{OpaqueJSContext=}12");
-#endif
+    class_addMethod(NSCFType_, @selector(cy$toJSON:inContext:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON$inContext$),
+        // XXX: this is horrible; there has to be a better way to do this
+    #ifdef __LP64__
+        "^{OpaqueJSValue=}32@0:8@16^{OpaqueJSContext=}24"
+    #else
+        "^{OpaqueJSValue=}16@0:4@8^{OpaqueJSContext=}12"
+    #endif
+    );

 #endif
 } CYPoolCatch() }
 
 #endif
 } CYPoolCatch() }
 


@@ -2769,78 +2959,121 @@ void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry {
     CYSetProperty(context, ObjectiveC, CYJSString("constants"), constants);
     CYArrayPush(context, alls, constants);
 
     CYSetProperty(context, ObjectiveC, CYJSString("constants"), constants);
     CYArrayPush(context, alls, constants);
 

-#if OBJC_API_VERSION >= 2
+#ifdef __APPLE__

     CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
 #endif
 
     CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
 #endif
 

-    JSObjectRef Class(JSObjectMakeConstructor(context, Class_, NULL));
-    JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
-    JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
-    JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
-    JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
+    JSObjectRef Message(JSObjectMakeConstructor(context, Message_privateData::Class_, NULL));
+    JSObjectRef Selector(JSObjectMakeConstructor(context, CYPrivate<Selector_privateData>::Class_, &Selector_new));
+    JSObjectRef Super(JSObjectMakeConstructor(context, CYPrivate<cy::Super>::Class_, &Super_new));

 
 

-    JSObjectRef Instance_prototype(CYCastJSObject(context, CYGetProperty(context, Instance, prototype_s)));
+    JSObjectRef Instance(JSObjectMakeConstructor(context, CYPrivate<::Instance>::Class_, &Instance_new));
+    JSObjectRef Instance_prototype(JSObjectMake(context, CYPrivate<Prototype>::Class_, NULL));

     CYSetProperty(context, cy, CYJSString("Instance_prototype"), Instance_prototype);
     CYSetProperty(context, cy, CYJSString("Instance_prototype"), Instance_prototype);

+    CYSetProperty(context, Instance, prototype_s, Instance_prototype);

 
 

-    JSObjectRef ArrayInstance(JSObjectMakeConstructor(context, ArrayInstance_, NULL));
-    JSObjectRef ArrayInstance_prototype(CYCastJSObject(context, CYGetProperty(context, ArrayInstance, prototype_s)));
+    JSObjectRef ArrayInstance_prototype(JSObjectMake(context, CYPrivate<Prototype>::Class_, NULL));

     CYSetProperty(context, cy, CYJSString("ArrayInstance_prototype"), ArrayInstance_prototype);
     JSObjectRef Array_prototype(CYGetCachedObject(context, CYJSString("Array_prototype")));
     CYSetProperty(context, cy, CYJSString("ArrayInstance_prototype"), ArrayInstance_prototype);
     JSObjectRef Array_prototype(CYGetCachedObject(context, CYJSString("Array_prototype")));

-    JSObjectSetPrototype(context, ArrayInstance_prototype, Array_prototype);
+    CYSetPrototype(context, ArrayInstance_prototype, Array_prototype);

 
 

-    JSObjectRef FunctionInstance(JSObjectMakeConstructor(context, FunctionInstance_, NULL));
-    JSObjectRef FunctionInstance_prototype(CYCastJSObject(context, CYGetProperty(context, FunctionInstance, prototype_s)));
+    JSObjectRef BooleanInstance_prototype(JSObjectMake(context, CYPrivate<Prototype>::Class_, NULL));
+    CYSetProperty(context, cy, CYJSString("BooleanInstance_prototype"), BooleanInstance_prototype);
+    JSObjectRef Boolean_prototype(CYGetCachedObject(context, CYJSString("Boolean_prototype")));
+    CYSetPrototype(context, BooleanInstance_prototype, Boolean_prototype);
+
+    JSObjectRef FunctionInstance_prototype(JSObjectMake(context, CYPrivate<Prototype>::Class_, NULL));

     CYSetProperty(context, cy, CYJSString("FunctionInstance_prototype"), FunctionInstance_prototype);
     JSObjectRef Function_prototype(CYGetCachedObject(context, CYJSString("Function_prototype")));
     CYSetProperty(context, cy, CYJSString("FunctionInstance_prototype"), FunctionInstance_prototype);
     JSObjectRef Function_prototype(CYGetCachedObject(context, CYJSString("Function_prototype")));

-    JSObjectSetPrototype(context, FunctionInstance_prototype, Function_prototype);
+    CYSetPrototype(context, FunctionInstance_prototype, Function_prototype);
+
+    JSObjectRef NumberInstance_prototype(JSObjectMake(context, CYPrivate<Prototype>::Class_, NULL));
+    CYSetProperty(context, cy, CYJSString("NumberInstance_prototype"), NumberInstance_prototype);
+    JSObjectRef Number_prototype(CYGetCachedObject(context, CYJSString("Number_prototype")));
+    CYSetPrototype(context, NumberInstance_prototype, Number_prototype);

 
 

-    JSObjectRef ObjectInstance(JSObjectMakeConstructor(context, ObjectInstance_, NULL));
-    JSObjectRef ObjectInstance_prototype(CYCastJSObject(context, CYGetProperty(context, ObjectInstance, prototype_s)));
+    JSObjectRef ObjectInstance_prototype(JSObjectMake(context, CYPrivate<Prototype>::Class_, NULL));

     CYSetProperty(context, cy, CYJSString("ObjectInstance_prototype"), ObjectInstance_prototype);
     JSObjectRef Object_prototype(CYGetCachedObject(context, CYJSString("Object_prototype")));
     CYSetProperty(context, cy, CYJSString("ObjectInstance_prototype"), ObjectInstance_prototype);
     JSObjectRef Object_prototype(CYGetCachedObject(context, CYJSString("Object_prototype")));

-    JSObjectSetPrototype(context, ObjectInstance_prototype, Object_prototype);
+    CYSetPrototype(context, ObjectInstance_prototype, Object_prototype);

 
 

-    JSObjectRef StringInstance(JSObjectMakeConstructor(context, StringInstance_, NULL));
-    JSObjectRef StringInstance_prototype(CYCastJSObject(context, CYGetProperty(context, StringInstance, prototype_s)));
+    JSObjectRef StringInstance_prototype(JSObjectMake(context, CYPrivate<Prototype>::Class_, NULL));

     CYSetProperty(context, cy, CYJSString("StringInstance_prototype"), StringInstance_prototype);
     JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("String_prototype")));
     CYSetProperty(context, cy, CYJSString("StringInstance_prototype"), StringInstance_prototype);
     JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("String_prototype")));

-    JSObjectSetPrototype(context, StringInstance_prototype, String_prototype);
+    CYSetPrototype(context, StringInstance_prototype, String_prototype);

 
 

-    JSObjectRef Class_prototype(CYCastJSObject(context, CYGetProperty(context, Class, prototype_s)));
-    CYSetProperty(context, cy, CYJSString("Class_prototype"), Class_prototype);
-    JSObjectSetPrototype(context, Class_prototype, Instance_prototype);
+    JSObjectRef TypeInstance_prototype(JSObjectMake(context, CYPrivate<Prototype>::Class_, NULL));
+    CYSetProperty(context, cy, CYJSString("TypeInstance_prototype"), TypeInstance_prototype);
+    // XXX: maybe TypeInstance should have Type as its prototype? FWIW, that's why I named it like this ;P

 
     CYSetProperty(context, cycript, CYJSString("Instance"), Instance);
 
     CYSetProperty(context, cycript, CYJSString("Instance"), Instance);

+    CYSetProperty(context, cycript, CYJSString("Message"), Message);

     CYSetProperty(context, cycript, CYJSString("Selector"), Selector);
     CYSetProperty(context, cycript, CYJSString("Selector"), Selector);

-    CYSetProperty(context, cycript, CYJSString("Super"), Super);
+    CYSetProperty(context, cycript, CYJSString("objc_super"), Super);

 
     JSObjectRef box(JSObjectMakeFunctionWithCallback(context, CYJSString("box"), &Instance_box_callAsFunction));
 
     JSObjectRef box(JSObjectMakeFunctionWithCallback(context, CYJSString("box"), &Instance_box_callAsFunction));

-    CYSetProperty(context, Instance, CYJSString("box"), box);
+    CYSetProperty(context, Instance, CYJSString("box"), box, kJSPropertyAttributeDontEnum);

 
 

-#if defined(__APPLE__) && defined(__arm__) && 0
-    CYSetProperty(context, all, CYJSString("objc_registerClassPair"), &objc_registerClassPair_, kJSPropertyAttributeDontEnum);
+#ifdef __APPLE__
+    CYSetProperty(context, all, CYJSString("choose"), &choose, kJSPropertyAttributeDontEnum);

 #endif
 
     CYSetProperty(context, all, CYJSString("objc_msgSend"), &$objc_msgSend, kJSPropertyAttributeDontEnum);
 
 #endif
 
     CYSetProperty(context, all, CYJSString("objc_msgSend"), &$objc_msgSend, kJSPropertyAttributeDontEnum);
 

-    JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype);
-    JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype);
+    CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype);
+    CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype);
+
+    JSObjectRef cache(CYGetCachedObject(context, CYJSString("cache")));
+    CYSetProperty(context, cache, CYJSString("YES"), JSValueMakeBoolean(context, true), kJSPropertyAttributeDontEnum);
+    CYSetProperty(context, cache, CYJSString("NO"), JSValueMakeBoolean(context, false), kJSPropertyAttributeDontEnum);
+    CYSetProperty(context, cache, CYJSString("id"), CYMakeType(context, sig::Object()), kJSPropertyAttributeDontEnum);
+    CYSetProperty(context, cache, CYJSString("Class"), CYMakeType(context, sig::Meta()), kJSPropertyAttributeDontEnum);
+    CYSetProperty(context, cache, CYJSString("SEL"), CYMakeType(context, sig::Selector()), kJSPropertyAttributeDontEnum);
+
+    CYSetProperty(context, cy, CYJSString("cydget"), CYCastJSValue(context, false));

 } CYPoolCatch() }
 
 } CYPoolCatch() }
 

-static CYHooks CYObjectiveCHooks = {
+static void *CYObjectiveC_CastSymbol(const char *name) {
+    if (false);
+#ifdef __GNU_LIBOBJC__
+    else if (strcmp(name, "object_getClass") == 0)
+        return reinterpret_cast<void *>(&object_getClass);
+#endif
+    return NULL;
+}
+
+static CYHook CYObjectiveCHook = {

     &CYObjectiveC_ExecuteStart,
     &CYObjectiveC_ExecuteEnd,
     &CYObjectiveC_CallFunction,
     &CYObjectiveC_Initialize,
     &CYObjectiveC_SetupContext,
     &CYObjectiveC_ExecuteStart,
     &CYObjectiveC_ExecuteEnd,
     &CYObjectiveC_CallFunction,
     &CYObjectiveC_Initialize,
     &CYObjectiveC_SetupContext,

-    &CYObjectiveC_PoolFFI,
-    &CYObjectiveC_FromFFI,
+    &CYObjectiveC_CastSymbol,

 };
 
 };
 

-struct CYObjectiveC {
-    CYObjectiveC() {
-        hooks_ = &CYObjectiveCHooks;
-        // XXX: evil magic juju to make this actually take effect on a Mac when compiled with autoconf/libtool doom!
-        _assert(hooks_ != NULL);
-    }
-} CYObjectiveC;
+CYRegisterHook CYObjectiveC(&CYObjectiveCHook);
+
+_extern void CydgetSetupContext(JSGlobalContextRef context) { CYObjectiveTry_ {
+    CYSetupContext(context);
+    JSObjectRef global(CYGetGlobalObject(context));
+    JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
+    CYSetProperty(context, cy, CYJSString("cydget"), CYCastJSValue(context, true));
+} CYObjectiveCatch }
+
+_extern void CydgetMemoryParse(const uint16_t **data, size_t *size) { try {
+    CYPool pool;
+
+    CYUTF8String utf8(CYPoolUTF8String(pool, CYUTF16String(*data, *size)));
+    utf8 = CYPoolCode(pool, utf8);
+
+    CYUTF16String utf16(CYPoolUTF16String(pool, CYUTF8String(utf8.data, utf8.size)));
+    size_t bytes(utf16.size * sizeof(uint16_t));
+    uint16_t *copy(reinterpret_cast<uint16_t *>(malloc(bytes)));
+    memcpy(copy, utf16.data, bytes);
+
+    *data = copy;
+    *size = utf16.size;
+} catch (const CYException &exception) {
+    CYPool pool;
+    @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"%s", exception.PoolCString(pool)] userInfo:nil];
+} }