Rename uint64_6 to uint64_t, correcting a typo.

[cycript.git] / ObjectiveC / Library.mm

diff --git a/ObjectiveC/Library.mm b/ObjectiveC/Library.mm
index c5722c87f83b7c307bbf9bf3722ff5a5f4ee0bbe..377af6d64f4970b8c0992f7bd8292a6b7403e543 100644 (file)
--- a/ObjectiveC/Library.mm
+++ b/ObjectiveC/Library.mm
@@ -1,5 +1,5 @@
 /* Cycript - Optimizing JavaScript Compiler/Runtime
 /* Cycript - Optimizing JavaScript Compiler/Runtime

- * Copyright (C) 2009-2010  Jay Freeman (saurik)
+ * Copyright (C) 2009-2012  Jay Freeman (saurik)

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


@@ -48,6 +48,8 @@
 #include <cmath>
 #include <map>
 
 #include <cmath>
 #include <map>
 

+#include <dlfcn.h>
+

 #define CYObjectiveTry_(context) { \
     JSContextRef context_(context); \
     try
 #define CYObjectiveTry_(context) { \
     JSContextRef context_(context); \
     try


@@ -122,6 +124,10 @@
 #define protocol_getName(protocol) [(protocol) name]
 #endif
 
 #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);
+

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


@@ -234,6 +240,12 @@ bool CYGetOffset(apr_pool_t *pool, JSContextRef context, NSString *value, ssize_
 }
 
 static JSClassRef Instance_;
 }
 
 static JSClassRef Instance_;

+
+static JSClassRef ArrayInstance_;
+static JSClassRef FunctionInstance_;
+static JSClassRef ObjectInstance_;
+static JSClassRef StringInstance_;
+

 static JSClassRef Internal_;
 static JSClassRef Message_;
 static JSClassRef Messages_;
 static JSClassRef Internal_;
 static JSClassRef Message_;
 static JSClassRef Messages_;


@@ -260,6 +272,7 @@ static Class NSBoolNumber_;
 #endif
 
 static Class NSArray_;
 #endif
 
 static Class NSArray_;

+static Class NSBlock_;

 static Class NSDictionary_;
 static Class NSString_;
 static Class Object_;
 static Class NSDictionary_;
 static Class NSString_;
 static Class Object_;


@@ -297,8 +310,10 @@ JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
 
     if (self == NSArray_)
         prototype = CYGetCachedObject(context, CYJSString("ArrayInstance_prototype"));
 
     if (self == NSArray_)
         prototype = CYGetCachedObject(context, CYJSString("ArrayInstance_prototype"));

+    else if (self == NSBlock_)
+        prototype = CYGetCachedObject(context, CYJSString("FunctionInstance_prototype"));

     else if (self == NSDictionary_)
     else if (self == NSDictionary_)

-        prototype = CYGetCachedObject(context, CYJSString("Object_prototype"));
+        prototype = CYGetCachedObject(context, CYJSString("ObjectInstance_prototype"));

     else if (self == NSString_)
         prototype = CYGetCachedObject(context, CYJSString("StringInstance_prototype"));
     else
     else if (self == NSString_)
         prototype = CYGetCachedObject(context, CYJSString("StringInstance_prototype"));
     else


@@ -376,12 +391,11 @@ JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 
 @interface NSObject (Cycript)
 
 
 @interface NSObject (Cycript)
 

-- (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
+- (JSValueRef) cy$valueOfInContext:(JSContextRef)context;

 - (JSType) cy$JSType;
 
 - (NSObject *) cy$toJSON:(NSString *)key;
 - (NSString *) cy$toCYON;
 - (JSType) cy$JSType;
 
 - (NSObject *) cy$toJSON:(NSString *)key;
 - (NSString *) cy$toCYON;

-- (NSString *) cy$toKey;

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


@@ -394,7 +408,8 @@ JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 @end
 
 @protocol Cycript
 @end
 
 @protocol Cycript

-- (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
+- (id) cy$box;
+- (JSValueRef) cy$valueOfInContext:(JSContextRef)context;

 @end
 
 NSString *CYCastNSCYON(id value) {
 @end
 
 NSString *CYCastNSCYON(id value) {


@@ -679,6 +694,10 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
 /* Bridge: NSArray {{{ */
 @implementation NSArray (Cycript)
 
 /* Bridge: NSArray {{{ */
 @implementation NSArray (Cycript)
 

+- (id) cy$box {
+    return [[self mutableCopy] autorelease];
+}
+

 - (NSString *) cy$toCYON {
     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
     [json appendString:@"@["];
 - (NSString *) cy$toCYON {
     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
     [json appendString:@"@["];


@@ -753,6 +772,13 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
 
 @end
 /* }}} */
 
 @end
 /* }}} */

+/* Bridge: NSBlock {{{ */
+#ifdef __APPLE__
+@interface NSBlock
+- (void) invoke;
+@end
+#endif
+/* }}} */

 /* Bridge: NSBoolNumber {{{ */
 #ifndef __APPLE__
 @implementation NSBoolNumber (Cycript)
 /* Bridge: NSBoolNumber {{{ */
 #ifndef __APPLE__
 @implementation NSBoolNumber (Cycript)


@@ -769,7 +795,7 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
     return [self boolValue] ? @"@true" : @"@false";
 }
 
     return [self boolValue] ? @"@true" : @"@false";
 }
 

-- (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
+- (JSValueRef) cy$valueOfInContext:(JSContextRef)context { CYObjectiveTry_(context) {

     return CYCastJSValue(context, (bool) [self boolValue]);
 } CYObjectiveCatch }
 
     return CYCastJSValue(context, (bool) [self boolValue]);
 } CYObjectiveCatch }
 


@@ -779,6 +805,10 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
 /* Bridge: NSDictionary {{{ */
 @implementation NSDictionary (Cycript)
 
 /* Bridge: NSDictionary {{{ */
 @implementation NSDictionary (Cycript)
 

+- (id) cy$box {
+    return [[self mutableCopy] autorelease];
+}
+

 - (NSString *) cy$toCYON {
     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
     [json appendString:@"@{"];
 - (NSString *) cy$toCYON {
     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
     [json appendString:@"@{"];


@@ -794,7 +824,7 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
             [json appendString:@","];
         else
             comma = true;
             [json appendString:@","];
         else
             comma = true;

-        [json appendString:[key cy$toKey]];
+        [json appendString:CYCastNSCYON(key)];

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


@@ -925,7 +955,7 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
     return [self cy$JSType] != kJSTypeBoolean ? [NSString stringWithFormat:@"@%@", self] : [self boolValue] ? @"@true" : @"@false";
 }
 
     return [self cy$JSType] != kJSTypeBoolean ? [NSString stringWithFormat:@"@%@", self] : [self boolValue] ? @"@true" : @"@false";
 }
 

-- (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
+- (JSValueRef) cy$valueOfInContext:(JSContextRef)context { CYObjectiveTry_(context) {

     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
 } CYObjectiveCatch }
 
     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
 } CYObjectiveCatch }
 


@@ -951,7 +981,11 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
 /* Bridge: NSObject {{{ */
 @implementation NSObject (Cycript)
 
 /* Bridge: NSObject {{{ */
 @implementation NSObject (Cycript)
 

-- (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
+- (id) cy$box {
+    return self;
+}
+
+- (JSValueRef) cy$valueOfInContext:(JSContextRef)context { CYObjectiveTry_(context) {

     return NULL;
 } CYObjectiveCatch }
 
     return NULL;
 } CYObjectiveCatch }
 


@@ -967,10 +1001,6 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
     return [[self cy$toJSON:@""] cy$toCYON];
 }
 
     return [[self cy$toJSON:@""] cy$toCYON];
 }
 

-- (NSString *) cy$toKey {
-    return [self cy$toCYON];
-}
-

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


@@ -1012,6 +1042,10 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
 /* Bridge: NSString {{{ */
 @implementation NSString (Cycript)
 
 /* Bridge: NSString {{{ */
 @implementation NSString (Cycript)
 

+- (id) cy$box {
+    return [[self copy] autorelease];
+}
+

 - (JSType) cy$JSType {
     return kJSTypeString;
 }
 - (JSType) cy$JSType {
     return kJSTypeString;
 }


@@ -1029,12 +1063,6 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
 }
 
     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
 }
 

-- (NSString *) cy$toKey {
-    if (CYIsKey(CYCastUTF8String(self)))
-        return self;
-    return [self cy$toCYON];
-}
-

 - (bool) cy$hasProperty:(NSString *)name {
     if ([name isEqualToString:@"length"])
         return true;
 - (bool) cy$hasProperty:(NSString *)name {
     if ([name isEqualToString:@"length"])
         return true;


@@ -1078,7 +1106,7 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
     return false;
 }
 
     return false;
 }
 

-- (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
+- (JSValueRef) cy$valueOfInContext:(JSContextRef)context { CYObjectiveTry_(context) {

     return CYCastJSValue(context, CYJSString(context, self));
 } CYObjectiveCatch }
 
     return CYCastJSValue(context, CYJSString(context, self));
 } CYObjectiveCatch }
 


@@ -1099,7 +1127,7 @@ NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef valu
     return @"undefined";
 }
 
     return @"undefined";
 }
 

-- (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
+- (JSValueRef) cy$valueOfInContext:(JSContextRef)context { CYObjectiveTry_(context) {

     return CYJSUndefined(context);
 } CYObjectiveCatch }
 
     return CYJSUndefined(context);
 } CYObjectiveCatch }
 


@@ -1214,6 +1242,11 @@ JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
 
 @implementation CYJSArray
 
 
 @implementation CYJSArray
 

+- (NSString *) cy$toCYON {
+    CYPool pool;
+    return [NSString stringWithUTF8String:CYPoolCCYON(pool, context_, object_)];
+}
+

 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
     if ((self = [super init]) != nil) {
         object_ = object;
 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
     if ((self = [super init]) != nil) {
         object_ = object;


@@ -1290,62 +1323,86 @@ JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
 
 @end
 
 
 @end
 

-// XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
-struct CYInternal :
-    CYData
-{
+// XXX: inherit from or replace with CYJSObject
+@interface CYInternal : NSObject {
+    JSContextRef context_;

     JSObjectRef object_;
     JSObjectRef object_;

+}

 
 

-    CYInternal() :
-        object_(NULL)
-    {
-    }
+@end

 
 

-    ~CYInternal() {
-        // XXX: delete object_? ;(
-    }
+@implementation CYInternal

 
 

-    static CYInternal *Get(id self) {
-        CYInternal *internal(NULL);
-        if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
-            // XXX: do something epic? ;P
-        }
+- (void) dealloc {
+    JSValueUnprotect(context_, object_);
+    //XXX:JSGlobalContextRelease(context_);
+    [super dealloc];
+}

 
 

-        return internal;
-    }
+- (id) initInContext:(JSContextRef)context {
+    if ((self = [super init]) != nil) {
+        context_ = CYGetJSContext(context);
+        //XXX:JSGlobalContextRetain(context_);
+    } return self;
+}

 
 

-    static CYInternal *Set(id self) {
-        CYInternal *internal(NULL);
-        if (objc_ivar *ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
-            if (internal == NULL) {
-                internal = new CYInternal();
-                object_setIvar(self, ivar, reinterpret_cast<id>(internal));
-            }
-        } else {
-            // XXX: do something epic? ;P
-        }
+- (bool) hasProperty:(JSStringRef)name inContext:(JSContextRef)context {
+    if (object_ == NULL)
+        return false;

 
 

-        return internal;
-    }
+    return JSObjectHasProperty(context, object_, name);
+}

 
 

-    bool HasProperty(JSContextRef context, JSStringRef name) {
-        if (object_ == NULL)
-            return false;
-        return JSObjectHasProperty(context, object_, name);
+- (JSValueRef) getProperty:(JSStringRef)name inContext:(JSContextRef)context {
+    if (object_ == NULL)
+        return NULL;
+
+    return CYGetProperty(context, object_, name);
+}
+
+- (void) setProperty:(JSStringRef)name toValue:(JSValueRef)value inContext:(JSContextRef)context {
+    @synchronized (self) {
+        if (object_ == NULL) {
+            object_ = JSObjectMake(context, NULL, NULL);
+            JSValueProtect(context, object_);
+        }

     }
 
     }
 

-    JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
-        if (object_ == NULL)
-            return NULL;
-        return CYGetProperty(context, object_, name);
+    CYSetProperty(context, object_, name, value);
+}
+
++ (CYInternal *) get:(id)object {
+    if ($objc_getAssociatedObject == NULL)
+        return nil;
+
+    @synchronized (object) {
+        if (CYInternal *internal = $objc_getAssociatedObject(object, @selector(cy$internal)))
+            return internal;

     }
 
     }
 

-    void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
-        if (object_ == NULL)
-            object_ = JSObjectMake(context, NULL, NULL);
-        CYSetProperty(context, object_, name, value);
+    return nil;
+}
+
++ (CYInternal *) set:(id)object inContext:(JSContextRef)context {
+    if ($objc_getAssociatedObject == NULL)
+        return nil;
+
+    @synchronized (object) {
+        if (CYInternal *internal = $objc_getAssociatedObject(object, @selector(cy$internal)))
+            return internal;
+
+        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;
+}
+
+@end

 
 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
     Selector_privateData *internal(new Selector_privateData(sel));
 
 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
     Selector_privateData *internal(new Selector_privateData(sel));


@@ -1614,8 +1671,8 @@ static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStr
     CYPool pool;
     NSString *name(CYCastNSString(pool, context, property));
 
     CYPool pool;
     NSString *name(CYCastNSString(pool, context, property));
 

-    if (CYInternal *internal = CYInternal::Get(self))
-        if (internal->HasProperty(context, property))
+    if (CYInternal *internal = [CYInternal get:self])
+        if ([internal hasProperty:property inContext:context])

             return true;
 
     Class _class(object_getClass(self));
             return true;
 
     Class _class(object_getClass(self));


@@ -1652,8 +1709,8 @@ static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object,
     CYPool pool;
     NSString *name(CYCastNSString(pool, context, property));
 
     CYPool pool;
     NSString *name(CYCastNSString(pool, context, property));
 

-    if (CYInternal *internal = CYInternal::Get(self))
-        if (JSValueRef value = internal->GetProperty(context, property))
+    if (CYInternal *internal = [CYInternal get:self])
+        if (JSValueRef value = [internal getProperty:property inContext:context])

             return value;
 
     CYPoolTry {
             return value;
 
     CYPoolTry {


@@ -1731,8 +1788,8 @@ static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStr
             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
         }
 
             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
         }
 

-    if (CYInternal *internal = CYInternal::Set(self)) {
-        internal->SetProperty(context, property, value);
+    if (CYInternal *internal = [CYInternal set:self inContext:context]) {
+        [internal setProperty:property toValue:value inContext:context];

         return true;
     }
 
         return true;
     }
 


@@ -1806,6 +1863,82 @@ static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef
     return value;
 } CYCatch }
 
     return value;
 } CYCatch }
 

+static JSValueRef Instance_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
+    id self(internal->GetValue());
+
+    if (![self isKindOfClass:NSBlock_])
+        CYThrow("non-NSBlock object is not a function");
+
+    struct BlockDescriptor1 {
+        unsigned long int reserved;
+        unsigned long int size;
+    };
+
+    struct BlockDescriptor2 {
+        void (*copy_helper)(void *dst, void *src);
+        void (*dispose_helper)(void *src);
+    };
+
+    struct BlockDescriptor3 {
+        const char *signature;
+        const char *layout;
+    };
+
+    struct BlockLiteral {
+        Class isa;
+        int flags;
+        int reserved;
+        void (*invoke)(void *, ...);
+        void *descriptor;
+    } *literal = reinterpret_cast<BlockLiteral *>(self);
+
+    enum {
+        BLOCK_DEALLOCATING = 0x0001,
+        BLOCK_REFCOUNT_MASK = 0xfffe,
+        BLOCK_NEEDS_FREE = 1 << 24,
+        BLOCK_HAS_COPY_DISPOSE = 1 << 25,
+        BLOCK_HAS_CTOR = 1 << 26,
+        BLOCK_IS_GC = 1 << 27,
+        BLOCK_IS_GLOBAL = 1 << 28,
+        BLOCK_HAS_STRET = 1 << 29,
+        BLOCK_HAS_SIGNATURE = 1 << 30,
+    };
+
+    if ((literal->flags & BLOCK_HAS_SIGNATURE) != 0) {
+        uint8_t *descriptor(reinterpret_cast<uint8_t *>(literal->descriptor));
+        descriptor += sizeof(BlockDescriptor1);
+        if ((literal->flags & BLOCK_HAS_COPY_DISPOSE) != 0)
+            descriptor += sizeof(BlockDescriptor2);
+        BlockDescriptor3 *descriptor3(reinterpret_cast<BlockDescriptor3 *>(descriptor));
+
+        if (const char *type = descriptor3->signature) {
+            CYPool pool;
+
+            void *setup[1];
+            setup[0] = &self;
+
+            sig::Signature signature;
+            sig::Parse(pool, &signature, type, &Structor_);
+
+            ffi_cif cif;
+            sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
+
+            void (*function)() = reinterpret_cast<void (*)()>(literal->invoke);
+            return CYCallFunction(pool, context, 1, setup, count, arguments, false, exception, &signature, &cif, function);
+        }
+    }
+
+    if (count != 0)
+        CYThrow("NSBlock without signature field passed arguments");
+
+    CYPoolTry {
+        [self invoke];
+    } CYPoolCatch(NULL);
+
+    return NULL;
+} CYCatch }
+

 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());
 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());


@@ -1821,6 +1954,16 @@ static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor,
     return false;
 } CYCatch }
 
     return false;
 } CYCatch }
 

+static JSValueRef Instance_box_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    if (count == 0)
+        throw CYJSError(context, "incorrect number of arguments to Instance");
+    CYPool pool;
+    id value(CYCastNSObject(pool, context, arguments[0]));
+    if (value == nil)
+        value = [NSNull null];
+    return CYCastJSValue(context, [value cy$box]);
+} CYCatch }
+

 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
     CYPool pool;
 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
     CYPool pool;


@@ -2064,6 +2207,26 @@ JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class
     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;
     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
 
     ffi_cif cif;
     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
 


@@ -2121,42 +2284,6 @@ static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObje
     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
 } CYCatch }
 
     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
 } CYCatch }
 

-/* Hook: objc_registerClassPair {{{ */
-#if defined(__APPLE__) && defined(__arm__) && 0
-// XXX: replace this with associated objects
-
-MSHook(void, CYDealloc, id self, SEL sel) {
-    CYInternal *internal;
-    object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
-    if (internal != NULL)
-        delete internal;
-    _CYDealloc(self, sel);
-}
-
-MSHook(void, objc_registerClassPair, Class _class) {
-    Class super(class_getSuperclass(_class));
-    if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
-        class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
-        MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
-    }
-
-    _objc_registerClassPair(_class);
-}
-
-static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
-    if (count != 1)
-        throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
-    CYPool pool;
-    NSObject *value(CYCastNSObject(pool, context, arguments[0]));
-    if (value == NULL || !CYIsClass(value))
-        throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
-    Class _class((Class) value);
-    $objc_registerClassPair(_class);
-    return CYJSUndefined(context);
-} CYCatch }
-#endif
-/* }}} */
-

 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
     JSValueRef setup[count + 2];
     setup[0] = _this;
 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
     JSValueRef setup[count + 2];
     setup[0] = _this;


@@ -2279,10 +2406,10 @@ static JSValueRef Instance_callAsFunction_valueOf(JSContextRef context, JSObject
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
     id value(internal->GetValue());
 
     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
     id value(internal->GetValue());
 

-    if (![value respondsToSelector:@selector(cy$JSValueInContext:)])
+    if (![value respondsToSelector:@selector(cy$valueOfInContext:)])

         return _this;
 
         return _this;
 

-    if (JSValueRef result = [value cy$JSValueInContext:context])
+    if (JSValueRef result = [value cy$valueOfInContext:context])

         return result;
 
     return _this;
         return result;
 
     return _this;


@@ -2389,6 +2516,10 @@ static JSStaticFunction Selector_staticFunctions[5] = {
 };
 
 void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
 };
 
 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"));
+

     apr_pool_t *pool(CYGetGlobalPool());
 
     Object_type = new(pool) Type_privateData("@");
     apr_pool_t *pool(CYGetGlobalPool());
 
     Object_type = new(pool) Type_privateData("@");


@@ -2396,6 +2527,9 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
 
 #ifdef __APPLE__
     NSCFBoolean_ = objc_getClass("NSCFBoolean");
 
 #ifdef __APPLE__
     NSCFBoolean_ = objc_getClass("NSCFBoolean");

+    if (NSCFBoolean_ == nil)
+        NSCFBoolean_ = objc_getClass("__NSCFBoolean");
+

     NSCFType_ = objc_getClass("NSCFType");
     NSGenericDeallocHandler_ = objc_getClass("__NSGenericDeallocHandler");
     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
     NSCFType_ = objc_getClass("NSCFType");
     NSGenericDeallocHandler_ = objc_getClass("__NSGenericDeallocHandler");
     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");


@@ -2405,6 +2539,7 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
 #endif
 
     NSArray_ = objc_getClass("NSArray");
 #endif
 
     NSArray_ = objc_getClass("NSArray");

+    NSBlock_ = objc_getClass("NSBlock");

     NSDictionary_ = objc_getClass("NSDictionary");
     NSString_ = objc_getClass("NSString");
     Object_ = objc_getClass("Object");
     NSDictionary_ = objc_getClass("NSDictionary");
     NSString_ = objc_getClass("NSString");
     Object_ = objc_getClass("Object");


@@ -2421,10 +2556,23 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
     definition.deleteProperty = &Instance_deleteProperty;
     definition.getPropertyNames = &Instance_getPropertyNames;
     definition.callAsConstructor = &Instance_callAsConstructor;
     definition.deleteProperty = &Instance_deleteProperty;
     definition.getPropertyNames = &Instance_getPropertyNames;
     definition.callAsConstructor = &Instance_callAsConstructor;

+    definition.callAsFunction = &Instance_callAsFunction;

     definition.hasInstance = &Instance_hasInstance;
     definition.finalize = &CYFinalize;
     Instance_ = JSClassCreate(&definition);
 
     definition.hasInstance = &Instance_hasInstance;
     definition.finalize = &CYFinalize;
     Instance_ = JSClassCreate(&definition);
 

+    definition.className = "ArrayInstance";
+    ArrayInstance_ = JSClassCreate(&definition);
+
+    definition.className = "FunctionInstance";
+    FunctionInstance_ = JSClassCreate(&definition);
+
+    definition.className = "ObjectInstance";
+    ObjectInstance_ = JSClassCreate(&definition);
+
+    definition.className = "StringInstance";
+    StringInstance_ = JSClassCreate(&definition);
+

     definition = kJSClassDefinitionEmpty;
     definition.className = "Internal";
     definition.staticFunctions = Internal_staticFunctions;
     definition = kJSClassDefinitionEmpty;
     definition.className = "Internal";
     definition.staticFunctions = Internal_staticFunctions;


@@ -2500,10 +2648,6 @@ void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
     definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
     ObjectiveC_Protocols_ = JSClassCreate(&definition);
 
     definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
     ObjectiveC_Protocols_ = JSClassCreate(&definition);
 

-#if defined(__APPLE__) && defined(__arm__) && 0
-    MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
-#endif
-

 #ifdef __APPLE__
     class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
 #endif
 #ifdef __APPLE__
     class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
 #endif


@@ -2543,13 +2687,25 @@ void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry {
     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 ArrayInstance(JSObjectMakeConstructor(context, Instance_, NULL));
+    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 Array_prototype(CYGetCachedObject(context, CYJSString("Array_prototype")));
     JSObjectSetPrototype(context, ArrayInstance_prototype, Array_prototype);
 
     JSObjectRef ArrayInstance_prototype(CYCastJSObject(context, CYGetProperty(context, ArrayInstance, prototype_s)));
     CYSetProperty(context, cy, CYJSString("ArrayInstance_prototype"), ArrayInstance_prototype);
     JSObjectRef Array_prototype(CYGetCachedObject(context, CYJSString("Array_prototype")));
     JSObjectSetPrototype(context, ArrayInstance_prototype, Array_prototype);
 

-    JSObjectRef StringInstance(JSObjectMakeConstructor(context, Instance_, NULL));
+    JSObjectRef FunctionInstance(JSObjectMakeConstructor(context, FunctionInstance_, NULL));
+    JSObjectRef FunctionInstance_prototype(CYCastJSObject(context, CYGetProperty(context, FunctionInstance, prototype_s)));
+    CYSetProperty(context, cy, CYJSString("FunctionInstance_prototype"), FunctionInstance_prototype);
+    JSObjectRef Function_prototype(CYGetCachedObject(context, CYJSString("Function_prototype")));
+    JSObjectSetPrototype(context, FunctionInstance_prototype, Function_prototype);
+
+    JSObjectRef ObjectInstance(JSObjectMakeConstructor(context, ObjectInstance_, NULL));
+    JSObjectRef ObjectInstance_prototype(CYCastJSObject(context, CYGetProperty(context, ObjectInstance, prototype_s)));
+    CYSetProperty(context, cy, CYJSString("ObjectInstance_prototype"), ObjectInstance_prototype);
+    JSObjectRef Object_prototype(CYGetCachedObject(context, CYJSString("Object_prototype")));
+    JSObjectSetPrototype(context, ObjectInstance_prototype, Object_prototype);
+
+    JSObjectRef StringInstance(JSObjectMakeConstructor(context, StringInstance_, NULL));

     JSObjectRef StringInstance_prototype(CYCastJSObject(context, CYGetProperty(context, StringInstance, prototype_s)));
     CYSetProperty(context, cy, CYJSString("StringInstance_prototype"), StringInstance_prototype);
     JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("String_prototype")));
     JSObjectRef StringInstance_prototype(CYCastJSObject(context, CYGetProperty(context, StringInstance, prototype_s)));
     CYSetProperty(context, cy, CYJSString("StringInstance_prototype"), StringInstance_prototype);
     JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("String_prototype")));


@@ -2559,13 +2715,15 @@ void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry {
     CYSetProperty(context, cycript, CYJSString("Selector"), Selector);
     CYSetProperty(context, cycript, CYJSString("Super"), Super);
 
     CYSetProperty(context, cycript, CYJSString("Selector"), Selector);
     CYSetProperty(context, cycript, CYJSString("Super"), Super);
 

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

 #if defined(__APPLE__) && defined(__arm__) && 0
     CYSetProperty(context, all, CYJSString("objc_registerClassPair"), &objc_registerClassPair_, kJSPropertyAttributeDontEnum);
 #endif
 
     CYSetProperty(context, all, CYJSString("objc_msgSend"), &$objc_msgSend, kJSPropertyAttributeDontEnum);
 
 #if defined(__APPLE__) && defined(__arm__) && 0
     CYSetProperty(context, all, CYJSString("objc_registerClassPair"), &objc_registerClassPair_, kJSPropertyAttributeDontEnum);
 #endif
 
     CYSetProperty(context, all, CYJSString("objc_msgSend"), &$objc_msgSend, kJSPropertyAttributeDontEnum);
 

-    JSObjectRef Function_prototype(CYGetCachedObject(context, CYJSString("Function_prototype")));

     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype);
     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype);
 } CYPoolCatch() }
     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype);
     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype);
 } CYPoolCatch() }