Work around iOS "<redacted>" for Message's toCYON.

[cycript.git] / ObjectiveC / Library.mm

diff --git a/ObjectiveC/Library.mm b/ObjectiveC/Library.mm
index 3ddb873b4687343cadccdab5af5fe23430bde148..7392a2e4e9f71d95bcbfd555a7782e85569b4fef 100644 (file)
--- a/ObjectiveC/Library.mm
+++ b/ObjectiveC/Library.mm
@@ -1,5 +1,5 @@
-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2014  Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016  Jay Freeman (saurik)

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


@@ -19,38 +19,40 @@
 **/
 /* }}} */
 
 **/
 /* }}} */
 

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

 
 

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

 
 

-#include <objc/objc-api.h>
+#include <map>
+#include <set>

 
 

-#include "cycript.hpp"
+#include <dlfcn.h>

 
 

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

-#ifdef __APPLE__
-#include <malloc/malloc.h>
-#include <mach/mach.h>
-#endif
+#include <Foundation/Foundation.h>

 
 #include "Code.hpp"
 
 #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


@@ -59,7 +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")); \

     } \
 }
 
     } \
 }
 


@@ -91,49 +93,6 @@
     if (!(test)) \
         @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:@"_assert(" #test ")" userInfo:nil];
 
     if (!(test)) \
         @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:@"_assert(" #test ")" userInfo:nil];
 

-#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 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 NSBlock;
 
 struct BlockLiteral {


@@ -171,6 +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 {{{ */


@@ -196,29 +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) {


@@ -277,8 +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 BooleanInstance_;
 static JSClassRef FunctionInstance_;
 static JSClassRef ArrayInstance_;
 static JSClassRef BooleanInstance_;
 static JSClassRef FunctionInstance_;


@@ -286,13 +255,6 @@ static JSClassRef NumberInstance_;
 static JSClassRef ObjectInstance_;
 static JSClassRef StringInstance_;
 
 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_;


@@ -307,7 +269,6 @@ static Class __NSMallocBlock__;
 static Class NSCFBoolean_;
 static Class NSCFType_;
 static Class NSGenericDeallocHandler_;
 static Class NSCFBoolean_;
 static Class NSCFType_;
 static Class NSGenericDeallocHandler_;

-static Class NSZombie_;

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


@@ -316,89 +277,42 @@ static Class NSArray_;
 static Class NSBlock_;
 static Class NSDictionary_;
 static Class NSNumber_;
 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;
-
+JSValueRef Prototype::GetPrototype(JSContextRef context) const {

 #ifdef __APPLE__
 #ifdef __APPLE__

-    if (self == NSCFBoolean_)
+    if (value_ == NSCFBoolean_)

 #else
 #else

-    if (self == NSBoolNumber_)
+    if (value_ == NSBoolNumber_)

 #endif
 #endif

-        prototype = CYGetCachedObject(context, CYJSString("BooleanInstance_prototype"));
-    else if (self == NSArray_)
-        prototype = CYGetCachedObject(context, CYJSString("ArrayInstance_prototype"));
-    else if (self == NSBlock_)
-        prototype = CYGetCachedObject(context, CYJSString("FunctionInstance_prototype"));
-    else if (self == NSNumber_)
-        prototype = CYGetCachedObject(context, CYJSString("NumberInstance_prototype"));
-    else if (self == NSDictionary_)
-        prototype = CYGetCachedObject(context, CYJSString("ObjectInstance_prototype"));
-    else if (self == NSString_)
-        prototype = CYGetCachedObject(context, CYJSString("StringInstance_prototype"));
-    else
-        prototype = CYGetClassPrototype(context, class_getSuperclass(self), meta);
-
-    JSObjectRef object(JSObjectMake(context, _class, NULL));
-    CYSetPrototype(context, object, prototype);
-    CYSetProperty(context, cy, name, object);
+        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"));

 
 

-    return object;
-}
-
-_finline JSValueRef CYGetClassPrototype(JSContextRef context, Class self) {
-    return CYGetClassPrototype(context, self, class_isMetaClass(self));
-}
-
-JSObjectRef Messages::Make(JSContextRef context, Class _class) {
-    JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
-    if (Class super = class_getSuperclass(_class))
-        CYSetPrototype(context, value, Messages::Make(context, super));
-    return value;
+    if (Class super = class_getSuperclass(value_))
+        return CYPrivate<Prototype>::Cache(context, super);
+    return CYGetCachedObject(context, CYJSString("Instance_prototype"));

 }
 
 }
 

-JSObjectRef Internal::Make(JSContextRef context, id object, JSObjectRef owner) {
-    return JSObjectMake(context, Internal_, new Internal(object, context, owner));
+JSValueRef Constructor::GetPrototype(JSContextRef context) const {
+    if (Class super = class_getSuperclass(value_))
+        return CYPrivate<Constructor>::Cache(context, super);
+    return CYGetCachedObject(context, CYJSString("Constructor_prototype"));

 }
 
 }
 

-namespace cy {
-JSObjectRef Super::Make(JSContextRef context, id object, Class _class) {
-    JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
-    return value;
-} }
-

 bool CYIsKindOfClass(id object, Class _class) {
     for (Class isa(object_getClass(object)); isa != NULL; isa = class_getSuperclass(isa))
         if (isa == _class)
 bool CYIsKindOfClass(id object, Class _class) {
     for (Class isa(object_getClass(object)); isa != NULL; isa = class_getSuperclass(isa))
         if (isa == _class)


@@ -406,40 +320,73 @@ bool CYIsKindOfClass(id object, Class _class) {
     return false;
 }
 
     return false;
 }
 

-JSObjectRef Instance::Make(JSContextRef context, id object, Flags flags) {
-    JSObjectRef value(JSObjectMake(context, CYIsKindOfClass(object, NSBlock_) ? FunctionInstance_ : Instance_, new Instance(object, flags)));
-    CYSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
-    return value;
+JSValueRef Instance::GetPrototype(JSContextRef context) const {
+    return CYPrivate<Prototype>::Cache(context, object_getClass(value_));
+}
+
+JSClassRef Instance::GetClass(id object, Flags flags) {
+    return CYIsKindOfClass(object, NSBlock_) ? FunctionInstance_ : Instance::Class_;
+}
+
+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)
-        [GetValue() release];
+    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 (CYIsClass(object) && !class_isMetaClass(object))
+        instance = CYPrivate<Constructor>::Cache(context, object);
+    else
+        instance = Instance::Make(context, object, flags);

 
 

-    return Instance::Make(context, object, flags);
+#ifdef __APPLE__
+    if (weak != NULL && &JSWeakObjectMapSet != NULL)
+        JSWeakObjectMapSet(context, weak, object, instance);
+#endif
+
+    return instance;

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


@@ -471,42 +418,30 @@ JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 @end
 
 NSString *CYCastNSCYON(id value, bool objective, std::set<void *> &objects) {
 @end
 
 NSString *CYCastNSCYON(id value, bool objective, std::set<void *> &objects) {

-    NSString *string;
-
-    if (value == nil)
-        string = @"nil";
-    else {
-        Class _class(object_getClass(value));
-        SEL sel(@selector(cy$toCYON:inSet:));
+    _assert(value != nil);

 
 

-        if (class_isMetaClass(_class)) {
-            const char *name(class_getName(value));
-            if (class_isMetaClass(value))
-                string = [NSString stringWithFormat:@"object_getClass(%s)", name];
-            else
-                string = [NSString stringWithUTF8String:name];
-        } else if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
-            string = 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)
-                string = [value cy$toCYON:objective inSet:objects];
-            else goto fail;
-        } else fail: {
-            if (false);
-#ifdef __APPLE__
-            else if (_class == NSZombie_)
-                string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
-#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) {
 }
 
 NSString *CYCastNSCYON(id value, bool objective, std::set<void *> *objects) {


@@ -518,7 +453,6 @@ NSString *CYCastNSCYON(id value, bool objective, std::set<void *> *objects) {
     }
 }
 
     }
 }
 

-#ifdef __APPLE__

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


@@ -606,7 +540,6 @@ struct PropertyAttributes {
     }
 
 };
     }
 
 };

-#endif

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


@@ -663,13 +596,14 @@ struct PropertyAttributes {
 /* }}} */
 
 _finline bool CYJSValueIsNSObject(JSContextRef context, JSValueRef value) {
 /* }}} */
 
 _finline bool CYJSValueIsNSObject(JSContextRef context, JSValueRef value) {

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

+#ifdef __APPLE__

 struct CYBlockDescriptor {
     struct {
         BlockDescriptor1 one_;
 struct CYBlockDescriptor {
     struct {
         BlockDescriptor1 one_;


@@ -689,10 +623,6 @@ static JSValueRef BlockAdapter_(JSContextRef context, size_t count, JSValueRef v
     return CYCallAsFunction(context, function, _this, count - 1, values + 1);
 }
 
     return CYCallAsFunction(context, function, _this, count - 1, values + 1);
 }
 

-static void BlockClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
-    CYExecuteClosure(cif, result, arguments, arg, &BlockAdapter_);
-}
-

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


@@ -700,8 +630,8 @@ NSBlock *CYMakeBlock(JSContextRef context, JSObjectRef function, sig::Signature
     CYBlockDescriptor *descriptor(new CYBlockDescriptor);
     memset(&descriptor->d_, 0, sizeof(descriptor->d_));
 
     CYBlockDescriptor *descriptor(new CYBlockDescriptor);
     memset(&descriptor->d_, 0, sizeof(descriptor->d_));
 

-    descriptor->internal_ = CYMakeFunctor_(context, function, signature, &BlockClosure_);
-    literal->invoke = reinterpret_cast<void (*)(void *, ...)>(descriptor->internal_->GetValue());
+    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->isa = __NSMallocBlock__;
     literal->flags = BLOCK_HAS_SIGNATURE | BLOCK_HAS_COPY_DISPOSE | BLOCK_IS_GLOBAL;


@@ -714,11 +644,12 @@ NSBlock *CYMakeBlock(JSContextRef context, JSObjectRef function, sig::Signature
 
     return reinterpret_cast<NSBlock *>(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_;

     }
 
     bool array(CYJSValueIsInstanceOfCachedConstructor(context, object, Array_s));
     }
 
     bool array(CYJSValueIsInstanceOfCachedConstructor(context, object, Array_s));


@@ -811,7 +742,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     [json appendString:@"@["];
 
     bool comma(false);
     [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) {


@@ -821,7 +752,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
             [json appendString:@","];
         else
             comma = true;
             [json appendString:@","];
         else
             comma = true;

-        if (object == nil || [object cy$JSType] != kJSTypeUndefined)
+        if (object != nil && [object cy$JSType] != kJSTypeUndefined)

             [json appendString:CYCastNSCYON(object, true, objects)];
         else {
             [json appendString:@","];
             [json appendString:CYCastNSCYON(object, true, objects)];
         else {
             [json appendString:@","];


@@ -882,8 +813,39 @@ 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
 /* }}} */


@@ -921,7 +883,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     [json appendString:@"@{"];
 
     bool comma(false);
     [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]);


@@ -952,7 +914,7 @@ 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]);


@@ -975,11 +937,7 @@ 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)];


@@ -1137,6 +1095,23 @@ 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)
 


@@ -1177,7 +1152,7 @@ NSObject *CYCopyNSObject(CYPool &pool, JSContextRef context, JSValueRef value) {
     if (!objective)
         str << '@';
     CYUTF8String string(CYCastUTF8String(self));
     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()));
 }


@@ -1234,14 +1209,6 @@ 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))


@@ -1259,12 +1226,11 @@ 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
 


@@ -1447,45 +1413,50 @@ 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_);
     } else {
         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
         return reinterpret_cast<SEL>(internal->value_);
     } else {


@@ -1502,30 +1473,21 @@ 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 NSBlock *CYCastNSBlock(CYPool &pool, JSContextRef context, JSValueRef value, sig::Signature *signature) {
+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));
 
     if (JSValueIsObjectOfClass(context, object, FunctionInstance_))
     if (JSValueIsNull(context, value))
         return nil;
     JSObjectRef object(CYCastJSObject(context, value));
 
     if (JSValueIsObjectOfClass(context, object, FunctionInstance_))

-        return reinterpret_cast<Instance *>(JSObjectGetPrivate(object))->GetValue();
+        return reinterpret_cast<Instance *>(JSObjectGetPrivate(object))->value_;

 
 

-    if (JSValueIsObjectOfClass(context, object, Instance_)) {
-        _assert(reinterpret_cast<Instance *>(JSObjectGetPrivate(object))->GetValue() == nil);
+    if (JSValueIsObjectOfClass(context, object, Instance::Class_)) {
+        _assert(reinterpret_cast<Instance *>(JSObjectGetPrivate(object))->value_ == nil);

         return nil;
     }
 
         return nil;
     }
 


@@ -1542,77 +1504,81 @@ static NSBlock *CYCastNSBlock(CYPool &pool, JSContextRef context, JSValueRef val
     memcpy(modified.elements + 2, signature->elements + 1, sizeof(sig::Element) * (signature->count - 1));
 
     modified.elements[1].name = NULL;
     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::Type();
+    modified.elements[1].type = new(pool) sig::Object();

     modified.elements[1].offset = _not(size_t);
 
     modified.elements[1].offset = _not(size_t);
 

-    memset(modified.elements[1].type, 0, sizeof(sig::Type));
-    modified.elements[1].type->primitive = sig::object_P;
-

     return CYMakeBlock(context, object, modified);
     return CYMakeBlock(context, object, modified);

+#else
+    _assert(false);
+#endif

 }
 
 }
 

-static bool CYObjectiveC_PoolFFI(CYPool *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYSadTry {
-    // XXX: assigning to an indirect id * works for return values, but not for properties and fields
+namespace sig {

 
 

-    switch (type->primitive) {
-        case sig::block_P:
-            // XXX: this function might not handle the idea of a null pool
-            *reinterpret_cast<id *>(data) = CYCastNSBlock(*pool, context, value, &type->data.signature);
-        break;
+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);
+}

 
 

-        case sig::object_P:
-        case sig::typename_P:
-            *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
-        break;
+// 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);
+}

 
 

-        case sig::selector_P:
-            *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
-        break;
+void Meta::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
+    *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
+}

 
 

-        default:
-            return false;
-    }
+void Selector::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
+    *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
+}

 
 

-    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;
+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;
     }


@@ -1626,13 +1592,11 @@ static JSValueRef MessageAdapter_(JSContextRef context, size_t count, JSValueRef
     return CYCallAsFunction(context, function, _this, count - 2, values + 2);
 }
 
     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 *encoding) {
 }
 
 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *encoding) {


@@ -1640,14 +1604,14 @@ static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *enc
     CYPool pool;
     sig::Signature signature;
     sig::Parse(pool, &signature, encoding, &Structor_);
     CYPool pool;
     sig::Signature signature;
     sig::Parse(pool, &signature, encoding, &Structor_);

-    Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &MessageClosure_));
+    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->GetClass());

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


@@ -1660,22 +1624,22 @@ 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->GetClass());

 
     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->GetClass());

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


@@ -1684,96 +1648,125 @@ static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStr
     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());
+        imp = reinterpret_cast<IMP>(message->value_);

     } else if (objc_method *method = class_getInstanceMethod(_class, sel)) {
         type = method_getTypeEncoding(method);
         imp = CYMakeMessage(context, value, type);
     } else if (objc_method *method = class_getInstanceMethod(_class, sel)) {
         type = method_getTypeEncoding(method);
         imp = CYMakeMessage(context, value, type);

-    } else _assert(false);
+    } else return false;

 
     objc_method *method(NULL);
 
     objc_method *method(NULL);

-#if OBJC_API_VERSION >= 2

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

-    free(methods);
-#else
-    for (objc_method_list *methods(_class->methods); methods != NULL; methods = methods->method_next)
-        for (int i(0); i != methods->method_count; ++i)
-            if (sel_isEqual(method_getName(&methods->method_list[i]), sel)) {
-                method = &methods->method_list[i];
-                break;
-            }
-#endif

 
     if (method != NULL)
         method_setImplementation(method, imp);
 
     if (method != NULL)
         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));
-
-    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;
-        }
+    CYUTF8String prefix(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));

 
 

-    return false;
-} CYCatch(false) }
-#endif
+    auto internal(CYPrivate<Messages>::Get(context, _this));
+    Class _class(internal->GetClass());

 
 

-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);

 
 

-static bool CYHasImplicitProperties(Class _class) {
+    JSObjectRef array(NULL); {
+        CYArrayBuilder<1024> values(context, array);
+
+        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 JSValueRef Constructor_getProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+    auto internal(CYPrivate<Constructor>::Get(context, object));
+    return CYPrivate<Interior>::Make(context, internal->value_, context, object);
+} CYCatch(NULL) }
+
+static bool Constructor_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
+    auto internal(CYPrivate<Constructor>::Get(context, object));
+    Class _class(object_getClass(internal->value_));
+    if (!CYHasImplicitProperties(context, _class))
+        return false;
+    CYPool pool;
+    if (SEL sel = sel_getUid(CYPoolCString(pool, context, property)))
+        if (CYImplements(internal->value_, _class, sel, true))
+            return true;
+    return false;
+}
+
+static JSValueRef Constructor_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+    auto internal(CYPrivate<Constructor>::Get(context, object));
+    Class _class(object_getClass(internal->value_));
+    if (!CYHasImplicitProperties(context, _class))
+        return NULL;
+    CYPool pool;
+    if (SEL sel = sel_getUid(CYPoolCString(pool, context, property)))
+        if (CYImplements(internal->value_, _class, sel, true))
+            return CYSendMessage(pool, context, internal->value_, NULL, sel, 0, NULL, false);
+    return NULL;
+} CYCatch(NULL) }
+

 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;


@@ -1796,12 +1789,10 @@ 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;


@@ -1811,10 +1802,10 @@ 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));


@@ -1831,15 +1822,13 @@ 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);


@@ -1849,7 +1838,7 @@ 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;
 


@@ -1864,8 +1853,7 @@ 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));


@@ -1874,7 +1862,6 @@ static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStr
             return true;
         }
     }
             return true;
         }
     }

-#endif

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


@@ -1909,7 +1896,7 @@ 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));


@@ -1917,49 +1904,44 @@ 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);

 
 

-    const char *type(method_getTypeEncoding(method));
-    if (type == NULL || *type == '\0' || *type == 'v')
-        return;
+        for (size_t i(0); i != size; ++i) {
+            objc_method *method(data[i]);

 
 

-    JSPropertyNameAccumulatorAddName(names, CYJSString(name));
+            const char *name(sel_getName(method_getName(method)));
+            if (strchr(name, ':') != NULL)
+                continue;
+
+            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


@@ -1968,11 +1950,40 @@ 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));
+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);
+
+    Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
+    id self(internal->value_);
+
+    _assert(count == 1 || count == 2);
+    CYPool pool;
+    Class _class(object_getClass(self));
+
+    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;
     return value;

-} CYCatch(NULL) }
+} CYCatchObject() }

 
 static const char *CYBlockEncoding(NSBlock *self) {
     BlockLiteral *literal(reinterpret_cast<BlockLiteral *>(self));
 
 static const char *CYBlockEncoding(NSBlock *self) {
     BlockLiteral *literal(reinterpret_cast<BlockLiteral *>(self));


@@ -1986,9 +1997,26 @@ static const char *CYBlockEncoding(NSBlock *self) {
     return descriptor3->signature;
 }
 
     return descriptor3->signature;
 }
 

+static bool CYBlockSignature(CYPool &pool, NSBlock *self, sig::Signature &signature) {
+    const char *encoding(CYBlockEncoding(self));
+    if (encoding == NULL)
+        return false;
+
+    sig::Parse(pool, &signature, encoding, &Structor_);
+    _assert(signature.count >= 2);
+
+    _assert(dynamic_cast<sig::Object *>(signature.elements[1].type) != NULL);
+    signature.elements[1] = signature.elements[0];
+
+    ++signature.elements;
+    --signature.count;
+
+    return true;
+}
+

 static JSValueRef FunctionInstance_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 static JSValueRef FunctionInstance_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());
+    id self(internal->value_);

 
     if (const char *encoding = CYBlockEncoding(self)) {
         CYPool pool;
 
     if (const char *encoding = CYBlockEncoding(self)) {
         CYPool pool;


@@ -2000,11 +2028,11 @@ static JSValueRef FunctionInstance_callAsFunction(JSContextRef context, JSObject
         sig::Parse(pool, &signature, encoding, &Structor_);
 
         ffi_cif cif;
         sig::Parse(pool, &signature, encoding, &Structor_);
 
         ffi_cif cif;

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

 
         BlockLiteral *literal(reinterpret_cast<BlockLiteral *>(self));
         void (*function)() = reinterpret_cast<void (*)()>(literal->invoke);
 
         BlockLiteral *literal(reinterpret_cast<BlockLiteral *>(self));
         void (*function)() = reinterpret_cast<void (*)()>(literal->invoke);

-        return CYCallFunction(pool, context, 1, setup, count, arguments, false, &signature, &cif, function);
+        return CYCallFunction(pool, context, 1, setup, count, arguments, false, false, signature, &cif, function);

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


@@ -2017,16 +2045,14 @@ static JSValueRef FunctionInstance_callAsFunction(JSContextRef context, JSObject
     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;


@@ -2042,11 +2068,11 @@ 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)


@@ -2055,12 +2081,14 @@ 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;
     for (size_t i(0); i != size; ++i)
         if (ivars[i] == ivar)
             break;


@@ -2070,48 +2098,49 @@ static void CYBitField(unsigned &length, unsigned &shift, id self, Ivar ivar, co
             _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));
         _assert(encoding != NULL);
     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)) {


@@ -2122,14 +2151,14 @@ static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStr
         _assert(encoding != NULL);
         if (encoding[0] == 'b') {
             unsigned length, shift;
         _assert(encoding != NULL);
         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;
         }
     }


@@ -2137,36 +2166,31 @@ 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) }
 
 static bool ObjectiveC_Classes_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
 } CYCatch(NULL) }
 
 static bool ObjectiveC_Classes_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {


@@ -2178,11 +2202,10 @@ static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectR
     CYPool pool;
     NSString *name(CYCastNSString(&pool, context, property));
     if (Class _class = NSClassFromString(name))
     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) }
 

-#ifdef __APPLE__

 static Class *CYCopyClassList(size_t &size) {
     size = objc_getClassList(NULL, 0);
     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
 static Class *CYCopyClassList(size_t &size) {
     size = objc_getClassList(NULL, 0);
     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));


@@ -2204,81 +2227,80 @@ static Class *CYCopyClassList(size_t &size) {
         size = writ;
     }
 }
         size = writ;
     }
 }

-#endif

 
 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
 
 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {

-#ifdef __APPLE__
+    CYPool pool;
+

     size_t size;
     if (Class *data = CYCopyClassList(size)) {
     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])));
         for (size_t i(0); i != size; ++i)
             JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));

-        free(data);

     }
     }

-#else
-    void *state(NULL);
-    while (Class _class = objc_next_class(&state))
-        JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(_class)));
-#endif

 }
 
 }
 

-#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
 


@@ -2286,27 +2308,26 @@ 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) }
 


@@ -2343,7 +2364,7 @@ static void choose_(task_t task, void *baton, unsigned type, vm_range_t *ranges,
             continue;
 
         uintptr_t *pointers(reinterpret_cast<uintptr_t *>(data));
             continue;
 
         uintptr_t *pointers(reinterpret_cast<uintptr_t *>(data));

-#ifdef __arm64__
+#if defined(__APPLE__) && defined(__LP64__)

         Class isa(reinterpret_cast<Class>(pointers[0] & 0x1fffffff8));
 #else
         Class isa(reinterpret_cast<Class>(pointers[0]));
         Class isa(reinterpret_cast<Class>(pointers[0] & 0x1fffffff8));
 #else
         Class isa(reinterpret_cast<Class>(pointers[0]));


@@ -2373,7 +2394,7 @@ static JSValueRef choose(JSContextRef context, JSObjectRef object, JSObjectRef _
     CYGarbageCollect(context);
 
     CYPool pool;
     CYGarbageCollect(context);
 
     CYPool pool;

-    Class _class(CYCastNSObject(&pool, context, arguments[0]));
+    id _class(CYCastNSObject(&pool, context, arguments[0]));

 
     vm_address_t *zones(NULL);
     unsigned size(0);
 
     vm_address_t *zones(NULL);
     unsigned size(0);


@@ -2390,6 +2411,7 @@ static JSValueRef choose(JSContextRef context, JSObjectRef object, JSObjectRef _
     size_t number;
     Class *classes(CYCopyClassList(number));
     _assert(classes != NULL);
     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))
 
     for (size_t i(0); i != number; ++i)
         for (Class current(classes[i]); current != Nil; current = class_getSuperclass(current))


@@ -2398,8 +2420,6 @@ static JSValueRef choose(JSContextRef context, JSObjectRef object, JSObjectRef _
                 break;
             }
 
                 break;
             }
 

-    free(classes);
-

     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)
     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)


@@ -2435,6 +2455,8 @@ 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) {


@@ -2452,11 +2474,14 @@ 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];


@@ -2466,45 +2491,20 @@ 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[]) {


@@ -2519,17 +2519,17 @@ 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]);


@@ -2568,87 +2568,73 @@ 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)
         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]));
 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 objc_super constructor");
     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 FunctionInstance_getProperty_type(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)));

-    const char *encoding(CYBlockEncoding(internal->GetValue()));
-    if (encoding == NULL)
-        return CYJSNull(context);
-    // XXX: this should be stored on a FunctionInstance private value subclass

     CYPool pool;
     CYPool pool;

-    sig::Signature signature;
-    sig::Parse(pool, &signature, encoding, &Structor_);
-    return CYMakeType(context, &signature);
+    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) }
 
 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 } CYCatch(NULL) }
 
 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));

-    return Instance::Make(context, (id) object_getClass(internal->GetValue()));
+    return CYMakeInstance(context, object_getClass(internal->value_), Instance::Permanent);

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

-static JSValueRef Instance_getProperty_prototype(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
-    Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
-    id self(internal->GetValue());
-    if (!CYIsClass(self))
-        return CYJSUndefined(context);
-    return CYGetClassPrototype(context, self);
+static JSValueRef Constructor_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
+    auto internal(CYPrivate<Constructor>::Get(context, object));
+    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<Prototype>::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 {


@@ -2658,7 +2644,12 @@ static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectR
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
         return NULL;
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));

-    return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue(), false, objects)));
+    return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->value_, false, objects)));
+} CYCatch(NULL) }
+
+static JSValueRef Constructor_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    auto internal(CYPrivate<Constructor>::Get(context, _this));
+    return CYCastJSValue(context, CYJSString(class_getName(internal->value_)));

 } 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 {


@@ -2666,7 +2657,7 @@ 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;


@@ -2689,7 +2680,8 @@ 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;


@@ -2703,10 +2695,15 @@ 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()));
+    // XXX: return CYMakePointer(context, internal->value_, sig::Object(class_getName(object_getClass(internal->value_))), NULL, object);
+    return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
+} CYCatch(NULL) return /*XXX*/ NULL; }
+
+static JSValueRef Constructor_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    auto internal(CYPrivate<Constructor>::Get(context, object));
+    // XXX: return CYMakePointer(context, internal->value_, sig::Meta(), NULL, object);
+    return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));

 } 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 {


@@ -2714,7 +2711,7 @@ 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?


@@ -2727,26 +2724,18 @@ 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) {


@@ -2755,7 +2744,7 @@ 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]);


@@ -2769,43 +2758,38 @@ 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());
+    SEL sel(internal->value_);

 
     Class _class(_require(CYCastClass(pool, context, arguments[0])));
     objc_method *method(_require(class_getInstanceMethod(_class, sel)));
     const char *encoding(method_getTypeEncoding(method));
 
 
     Class _class(_require(CYCastClass(pool, context, arguments[0])));
     objc_method *method(_require(class_getInstanceMethod(_class, sel)));
     const char *encoding(method_getTypeEncoding(method));
 

-    sig::Signature signature;
-    sig::Parse(pool, &signature, encoding, &Structor_);
-    return CYMakeType(context, &signature);
+    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}
 };
 

-// XXX: this is sadly duplicated in FunctionInstance_staticValues
-static JSStaticValue Instance_staticValues[5] = {
+static JSStaticValue Instance_staticValues[3] = {
+    {"$cyt", &Instance_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    // XXX: this is sadly duplicated in FunctionInstance_staticValues

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

-static JSStaticValue FunctionInstance_staticValues[6] = {
-    {"type", &FunctionInstance_getProperty_type, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+static JSStaticValue FunctionInstance_staticValues[3] = {
+    {"$cyt", &FunctionInstance_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},

     // XXX: this is sadly a duplicate of Instance_staticValues
     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     // XXX: this is sadly a duplicate of Instance_staticValues
     {"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 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},

     {"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},


@@ -2814,13 +2798,28 @@ static JSStaticFunction Instance_staticFunctions[7] = {
     {NULL, NULL, 0}
 };
 
     {NULL, NULL, 0}
 };
 

-static JSStaticFunction Class_staticFunctions[2] = {
+static JSStaticFunction Messages_staticFunctions[2] = {
+    {"cy$complete", &Messages_complete_callAsFunction, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {NULL, NULL, 0}
+};
+
+static JSStaticValue Constructor_staticValues[5] = {
+    {"$cyi", &Constructor_getProperty_$cyi, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"$cyt", &Constructor_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"constructor", &Constructor_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"prototype", &Constructor_getProperty_prototype, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {NULL, NULL, NULL, 0}
+};
+
+static JSStaticFunction Constructor_staticFunctions[5] = {

     {"pointerTo", &Class_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
     {"pointerTo", &Class_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},

+    {"toCYON", &Constructor_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {"toPointer", &Constructor_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},

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


@@ -2839,19 +2838,11 @@ 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");
     NSNumber_ = objc_getClass("NSNumber");
     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");
 
     NSString_ = objc_getClass("NSString");
     Object_ = objc_getClass("Object");
 


@@ -2868,10 +2859,32 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
     NSZombie_ = objc_getClass("_NSZombie_");
 #else
     NSBoolNumber_ = objc_getClass("NSBoolNumber");
     NSZombie_ = objc_getClass("_NSZombie_");
 #else
     NSBoolNumber_ = objc_getClass("NSBoolNumber");

+    NSZombie_ = objc_getClass("NSZombie");

 #endif
 
     JSClassDefinition definition;
 
 #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.className = "Constructor";
+    definition.parentClass = CYPrivate<Messages>::Class_;
+    definition.staticValues = Constructor_staticValues;
+    definition.staticFunctions = Constructor_staticFunctions;
+    definition.hasInstance = &Constructor_hasInstance;
+    definition.hasProperty = &Constructor_hasProperty;
+    definition.getProperty = &Constructor_getProperty;
+    definition.callAsConstructor = &Constructor_callAsConstructor;
+    definition.finalize = &CYFinalize;
+    CYPrivate<Constructor>::Class_ = JSClassCreate(&definition);
+

     definition = kJSClassDefinitionEmpty;
     definition.className = "Instance";
     definition.staticValues = Instance_staticValues;
     definition = kJSClassDefinitionEmpty;
     definition.className = "Instance";
     definition.staticValues = Instance_staticValues;


@@ -2881,10 +2894,8 @@ 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.hasInstance = &Instance_hasInstance;

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

-    Instance_ = JSClassCreate(&definition);
+    Instance::Class_ = JSClassCreate(&definition);

 
     definition.className = "ArrayInstance";
     ArrayInstance_ = JSClassCreate(&definition);
 
     definition.className = "ArrayInstance";
     ArrayInstance_ = JSClassCreate(&definition);


@@ -2907,39 +2918,28 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
     FunctionInstance_ = JSClassCreate(&definition);
 
     definition = kJSClassDefinitionEmpty;
     FunctionInstance_ = JSClassCreate(&definition);
 
     definition = kJSClassDefinitionEmpty;

-    definition.className = "Class";
-    definition.staticFunctions = Class_staticFunctions;
-    Class_ = JSClassCreate(&definition);
-
-    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.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.staticValues = cy::Functor::StaticValues;
+    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.parentClass = CYPrivate<Messages>::Class_;

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

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

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


@@ -2947,13 +2947,12 @@ 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.className = "Super";
 
     definition = kJSClassDefinitionEmpty;
     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.className = "ObjectiveC::Classes";
 
     definition = kJSClassDefinitionEmpty;
     definition.className = "ObjectiveC::Classes";


@@ -2968,7 +2967,7 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
     definition.getPropertyNames = &ObjectiveC_Constants_getPropertyNames;
     ObjectiveC_Constants_ = JSClassCreate(&definition);
 
     definition.getPropertyNames = &ObjectiveC_Constants_getPropertyNames;
     ObjectiveC_Constants_ = JSClassCreate(&definition);
 

-#if OBJC_API_VERSION >= 2
+#ifdef __APPLE__

     definition = kJSClassDefinitionEmpty;
     definition.className = "ObjectiveC::Images";
     definition.getProperty = &ObjectiveC_Images_getProperty;
     definition = kJSClassDefinitionEmpty;
     definition.className = "ObjectiveC::Images";
     definition.getProperty = &ObjectiveC_Images_getProperty;


@@ -3022,19 +3021,22 @@ 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(JSObjectMakeConstructor(context, Instance::Class_, &Instance_new));

     JSObjectRef Instance_prototype(CYCastJSObject(context, CYGetProperty(context, Instance, prototype_s)));
     CYSetProperty(context, cy, CYJSString("Instance_prototype"), Instance_prototype);
 
     JSObjectRef Instance_prototype(CYCastJSObject(context, CYGetProperty(context, Instance, prototype_s)));
     CYSetProperty(context, cy, CYJSString("Instance_prototype"), Instance_prototype);
 

+    JSObjectRef Constructor(JSObjectMakeConstructor(context, CYPrivate<::Constructor>::Class_, NULL));
+    JSObjectRef Constructor_prototype(CYCastJSObject(context, CYGetProperty(context, Constructor, prototype_s)));
+    CYSetProperty(context, cy, CYJSString("Constructor_prototype"), Constructor_prototype);
+

     JSObjectRef ArrayInstance(JSObjectMakeConstructor(context, ArrayInstance_, NULL));
     JSObjectRef ArrayInstance_prototype(CYCastJSObject(context, CYGetProperty(context, ArrayInstance, prototype_s)));
     CYSetProperty(context, cy, CYJSString("ArrayInstance_prototype"), ArrayInstance_prototype);
     JSObjectRef ArrayInstance(JSObjectMakeConstructor(context, ArrayInstance_, NULL));
     JSObjectRef ArrayInstance_prototype(CYCastJSObject(context, CYGetProperty(context, ArrayInstance, prototype_s)));
     CYSetProperty(context, cy, CYJSString("ArrayInstance_prototype"), ArrayInstance_prototype);


@@ -3071,11 +3073,8 @@ void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry {
     JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("String_prototype")));
     CYSetPrototype(context, StringInstance_prototype, String_prototype);
 
     JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("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);
-    CYSetPrototype(context, Class_prototype, Instance_prototype);
-

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


@@ -3090,36 +3089,49 @@ void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry {
 
     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype);
     CYSetPrototype(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 "C" void CydgetSetupContext(JSGlobalContextRef context) { CYObjectiveTry_ {
+_extern void CydgetSetupContext(JSGlobalContextRef context) { CYObjectiveTry_ {

     CYSetupContext(context);
     CYSetupContext(context);

+    JSObjectRef global(CYGetGlobalObject(context));
+    JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
+    CYSetProperty(context, cy, CYJSString("cydget"), CYCastJSValue(context, true));

 } CYObjectiveCatch }
 
 } CYObjectiveCatch }
 

-extern "C" void CydgetMemoryParse(const uint16_t **data, size_t *size) { try {
+_extern void CydgetMemoryParse(const uint16_t **data, size_t *size) { try {

     CYPool pool;
 
     CYUTF8String utf8(CYPoolUTF8String(pool, CYUTF16String(*data, *size)));
     CYPool pool;
 
     CYUTF8String utf8(CYPoolUTF8String(pool, CYUTF16String(*data, *size)));

-    CYStream stream(utf8.data, utf8.data + utf8.size);
-    utf8 = CYPoolCode(pool, stream);
+    utf8 = CYPoolCode(pool, utf8);

 
     CYUTF16String utf16(CYPoolUTF16String(pool, CYUTF8String(utf8.data, utf8.size)));
     size_t bytes(utf16.size * sizeof(uint16_t));
 
     CYUTF16String utf16(CYPoolUTF16String(pool, CYUTF8String(utf8.data, utf8.size)));
     size_t bytes(utf16.size * sizeof(uint16_t));