ObjectiveC/Library.mm

   1 /* Cycript - Inlining/Optimizing JavaScript Compiler
   2  * Copyright (C) 2009  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 #if defined(__APPLE__) && defined(__arm__)
  41 #include <substrate.h>
  42 #else
  43 #include <objc/objc-api.h>
  44 #endif
  45
  46 #ifdef __APPLE__
  47 #include "Struct.hpp"
  48 #endif
  49
  50 #include <Foundation/Foundation.h>
  51
  52 #include "ObjectiveC/Internal.hpp"
  53
  54 #include <objc/Protocol.h>
  55
  56 #include "cycript.hpp"
  57
  58 #include "ObjectiveC/Internal.hpp"
  59
  60 #ifdef __APPLE__
  61 #include <CoreFoundation/CoreFoundation.h>
  62 #include <JavaScriptCore/JSStringRefCF.h>
  63 #include <WebKit/WebScriptObject.h>
  64 #endif
  65
  66 #include "Error.hpp"
  67 #include "JavaScript.hpp"
  68 #include "String.hpp"
  69 #include "Bridge.hpp"
  70
  71 #include <cmath>
  72 #include <map>
  73
  74 #define CYObjectiveTry_(context) { \
  75     JSContextRef context_(context); \
  76     try
  77 #define CYObjectiveTry { \
  78     try
  79 #define CYObjectiveCatch \
  80     catch (const CYException &error) { \
  81         @throw CYCastNSObject(NULL, context_, error.CastJSValue(context_)); \
  82     } \
  83 }
  84
  85 #define CYPoolTry { \
  86     id _saved(nil); \
  87     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
  88     @try
  89 #define CYPoolCatch(value) \
  90     @catch (NSException *error) { \
  91         _saved = [error retain]; \
  92         throw CYJSError(context, CYCastJSValue(context, error)); \
  93         return value; \
  94     } @finally { \
  95         [_pool release]; \
  96         if (_saved != nil) \
  97             [_saved autorelease]; \
  98     } \
  99 }
 100
 101 #define CYSadTry { \
 102     @try
 103 #define CYSadCatch(value) \
 104     @catch (NSException *error ) { \
 105         throw CYJSError(context, CYCastJSValue(context, error)); \
 106     } return value; \
 107 }
 108
 109 #ifndef __APPLE__
 110 #define class_getSuperclass GSObjCSuper
 111 #define class_getInstanceVariable GSCGetInstanceVariableDefinition
 112 #define class_getName GSNameFromClass
 113
 114 #define class_removeMethods(cls, list) GSRemoveMethodList(cls, list, YES)
 115
 116 #define ivar_getName(ivar) ((ivar)->ivar_name)
 117 #define ivar_getOffset(ivar) ((ivar)->ivar_offset)
 118 #define ivar_getTypeEncoding(ivar) ((ivar)->ivar_type)
 119
 120 #define method_getName(method) ((method)->method_name)
 121 #define method_getImplementation(method) ((method)->method_imp)
 122 #define method_getTypeEncoding(method) ((method)->method_types)
 123 #define method_setImplementation(method, imp) ((void) ((method)->method_imp = (imp)))
 124
 125 #undef objc_getClass
 126 #define objc_getClass GSClassFromName
 127
 128 #define objc_getProtocol GSProtocolFromName
 129
 130 #define object_getClass GSObjCClass
 131
 132 #define object_getInstanceVariable(object, name, value) ({ \
 133     objc_ivar *ivar(class_getInstanceVariable(object_getClass(object), name)); \
 134     if (ivar != NULL) \
 135         GSObjCGetVariable(object, ivar_getOffset(ivar), sizeof(void *), value); \
 136     ivar; \
 137 })
 138
 139 #define object_setIvar(object, ivar, value) ({ \
 140     void *data = (value); \
 141     GSObjCSetVariable(object, ivar_getOffset(ivar), sizeof(void *), &data); \
 142 })
 143
 144 #define protocol_getName(protocol) [(protocol) name]
 145 #endif
 146
 147 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class super, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception);
 148
 149 /* Objective-C Pool Release {{{ */
 150 apr_status_t CYPoolRelease_(void *data) {
 151     id object(reinterpret_cast<id>(data));
 152     [object release];
 153     return APR_SUCCESS;
 154 }
 155
 156 id CYPoolRelease_(apr_pool_t *pool, id object) {
 157     if (object == nil)
 158         return nil;
 159     else if (pool == NULL)
 160         return [object autorelease];
 161     else {
 162         apr_pool_cleanup_register(pool, object, &CYPoolRelease_, &apr_pool_cleanup_null);
 163         return object;
 164     }
 165 }
 166
 167 template <typename Type_>
 168 Type_ CYPoolRelease(apr_pool_t *pool, Type_ object) {
 169     return (Type_) CYPoolRelease_(pool, (id) object);
 170 }
 171 /* }}} */
 172 /* Objective-C Strings {{{ */
 173 const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, NSString *value) {
 174     if (pool == NULL)
 175         return [value UTF8String];
 176     else {
 177         size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
 178         char *string(new(pool) char[size]);
 179         if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
 180             throw CYJSError(context, "[NSString getCString:maxLength:encoding:] == NO");
 181         return string;
 182     }
 183 }
 184
 185 JSStringRef CYCopyJSString(JSContextRef context, NSString *value) {
 186 #ifdef __APPLE__
 187     return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));
 188 #else
 189     CYPool pool;
 190     return CYCopyJSString(CYPoolCString(pool, context, value));
 191 #endif
 192 }
 193
 194 JSStringRef CYCopyJSString(JSContextRef context, NSObject *value) {
 195     if (value == nil)
 196         return NULL;
 197     // XXX: this definition scares me; is anyone using this?!
 198     NSString *string([value description]);
 199     return CYCopyJSString(context, string);
 200 }
 201
 202 NSString *CYCopyNSString(const CYUTF8String &value) {
 203 #ifdef __APPLE__
 204     return (NSString *) CFStringCreateWithBytes(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(value.data), value.size, kCFStringEncodingUTF8, true);
 205 #else
 206     return [[NSString alloc] initWithBytes:value.data length:value.size encoding:NSUTF8StringEncoding];
 207 #endif
 208 }
 209
 210 NSString *CYCopyNSString(JSContextRef context, JSStringRef value) {
 211 #ifdef __APPLE__
 212     return (NSString *) JSStringCopyCFString(kCFAllocatorDefault, value);
 213 #else
 214     CYPool pool;
 215     return CYCopyNSString(CYPoolUTF8String(pool, context, value));
 216 #endif
 217 }
 218
 219 NSString *CYCopyNSString(JSContextRef context, JSValueRef value) {
 220     return CYCopyNSString(context, CYJSString(context, value));
 221 }
 222
 223 NSString *CYCastNSString(apr_pool_t *pool, const CYUTF8String &value) {
 224     return CYPoolRelease(pool, CYCopyNSString(value));
 225 }
 226
 227 NSString *CYCastNSString(apr_pool_t *pool, SEL sel) {
 228     const char *name(sel_getName(sel));
 229     return CYPoolRelease(pool, CYCopyNSString(CYUTF8String(name, strlen(name))));
 230 }
 231
 232 NSString *CYCastNSString(apr_pool_t *pool, JSContextRef context, JSStringRef value) {
 233     return CYPoolRelease(pool, CYCopyNSString(context, value));
 234 }
 235
 236 CYUTF8String CYCastUTF8String(NSString *value) {
 237     NSData *data([value dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO]);
 238     return CYUTF8String(reinterpret_cast<const char *>([data bytes]), [data length]);
 239 }
 240 /* }}} */
 241
 242 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value);
 243
 244 void CYThrow(JSContextRef context, NSException *error, JSValueRef *exception) {
 245     if (exception == NULL)
 246         throw error;
 247     *exception = CYCastJSValue(context, error);
 248 }
 249
 250 size_t CYGetIndex(NSString *value) {
 251     return CYGetIndex(CYCastUTF8String(value));
 252 }
 253
 254 bool CYGetOffset(apr_pool_t *pool, JSContextRef context, NSString *value, ssize_t &index) {
 255     return CYGetOffset(CYPoolCString(pool, context, value), index);
 256 }
 257
 258 static JSClassRef Instance_;
 259 static JSClassRef Internal_;
 260 static JSClassRef Message_;
 261 static JSClassRef Messages_;
 262 static JSClassRef Selector_;
 263 static JSClassRef Super_;
 264
 265 static JSClassRef ObjectiveC_Classes_;
 266 static JSClassRef ObjectiveC_Protocols_;
 267
 268 #ifdef __APPLE__
 269 static JSClassRef ObjectiveC_Image_Classes_;
 270 static JSClassRef ObjectiveC_Images_;
 271 #endif
 272
 273 #ifdef __APPLE__
 274 static Class NSCFBoolean_;
 275 static Class NSCFType_;
 276 static Class NSMessageBuilder_;
 277 static Class NSZombie_;
 278 #else
 279 static Class NSBoolNumber_;
 280 #endif
 281
 282 static Class NSArray_;
 283 static Class NSDictionary_;
 284 static Class Object_;
 285
 286 static Type_privateData *Object_type;
 287 static Type_privateData *Selector_type;
 288
 289 Type_privateData *Instance::GetType() const {
 290     return Object_type;
 291 }
 292
 293 Type_privateData *Selector_privateData::GetType() const {
 294     return Selector_type;
 295 }
 296
 297 JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
 298     if (self == nil)
 299         return CYGetCachedObject(context, CYJSString("Instance_prototype"));
 300
 301     JSObjectRef global(CYGetGlobalObject(context));
 302     JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
 303
 304     char label[32];
 305     sprintf(label, "i%p", self);
 306     CYJSString name(label);
 307
 308     JSValueRef value(CYGetProperty(context, cy, name));
 309     if (!JSValueIsUndefined(context, value))
 310         return value;
 311
 312     JSClassRef _class(NULL);
 313     JSValueRef prototype;
 314
 315     if (self == NSArray_)
 316         prototype = CYGetCachedObject(context, CYJSString("Array_prototype"));
 317     else if (self == NSDictionary_)
 318         prototype = CYGetCachedObject(context, CYJSString("Object_prototype"));
 319     else
 320         prototype = CYGetClassPrototype(context, class_getSuperclass(self));
 321
 322     JSObjectRef object(JSObjectMake(context, _class, NULL));
 323     JSObjectSetPrototype(context, object, prototype);
 324     CYSetProperty(context, cy, name, object);
 325     return object;
 326 }
 327
 328 JSObjectRef Messages::Make(JSContextRef context, Class _class, bool array) {
 329     JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
 330     if (_class == NSArray_)
 331         array = true;
 332     if (Class super = class_getSuperclass(_class))
 333         JSObjectSetPrototype(context, value, Messages::Make(context, super, array));
 334     /*else if (array)
 335         JSObjectSetPrototype(context, value, Array_prototype_);*/
 336     return value;
 337 }
 338
 339 JSObjectRef Internal::Make(JSContextRef context, id object, JSObjectRef owner) {
 340     return JSObjectMake(context, Internal_, new Internal(object, context, owner));
 341 }
 342
 343 namespace cy {
 344 JSObjectRef Super::Make(JSContextRef context, id object, Class _class) {
 345     JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
 346     return value;
 347 } }
 348
 349 JSObjectRef Instance::Make(JSContextRef context, id object, Flags flags) {
 350     JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
 351     JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
 352     return value;
 353 }
 354
 355 Instance::~Instance() {
 356     if ((flags_ & Transient) == 0)
 357         // XXX: does this handle background threads correctly?
 358         // XXX: this simply does not work on the console because I'm stupid
 359         [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
 360 }
 361
 362 struct Message_privateData :
 363     cy::Functor
 364 {
 365     SEL sel_;
 366
 367     Message_privateData(SEL sel, const char *type, IMP value = NULL) :
 368         cy::Functor(type, reinterpret_cast<void (*)()>(value)),
 369         sel_(sel)
 370     {
 371     }
 372 };
 373
 374 JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 375     Instance::Flags flags;
 376
 377     if (transient)
 378         flags = Instance::Transient;
 379     else {
 380         flags = Instance::None;
 381         object = [object retain];
 382     }
 383
 384     return Instance::Make(context, object, flags);
 385 }
 386
 387 @interface NSMethodSignature (Cycript)
 388 - (NSString *) _typeString;
 389 @end
 390
 391 @interface NSObject (Cycript)
 392
 393 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 394 - (JSType) cy$JSType;
 395
 396 - (NSObject *) cy$toJSON:(NSString *)key;
 397 - (NSString *) cy$toCYON;
 398 - (NSString *) cy$toKey;
 399
 400 - (bool) cy$hasProperty:(NSString *)name;
 401 - (NSObject *) cy$getProperty:(NSString *)name;
 402 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value;
 403 - (bool) cy$deleteProperty:(NSString *)name;
 404 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context;
 405
 406 @end
 407
 408 @protocol Cycript
 409 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 410 @end
 411
 412 NSString *CYCastNSCYON(id value) {
 413     NSString *string;
 414
 415     if (value == nil)
 416         string = @"nil";
 417     else {
 418         Class _class(object_getClass(value));
 419         SEL sel(@selector(cy$toCYON));
 420
 421         if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
 422             string = reinterpret_cast<NSString *(*)(id, SEL)>(method_getImplementation(toCYON))(value, sel);
 423         else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
 424             if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
 425                 string = [value cy$toCYON];
 426             else goto fail;
 427         } else fail: {
 428             if (false);
 429 #ifdef __APPLE__
 430             else if (value == NSZombie_)
 431                 string = @"_NSZombie_";
 432             else if (_class == NSZombie_)
 433                 string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
 434             // XXX: frowny /in/ the pants
 435             else if (value == NSMessageBuilder_ || value == Object_)
 436                 string = nil;
 437 #endif
 438             else
 439                 string = [NSString stringWithFormat:@"%@", value];
 440         }
 441
 442         // XXX: frowny pants
 443         if (string == nil)
 444             string = @"undefined";
 445     }
 446
 447     return string;
 448 }
 449
 450 #ifdef __APPLE__
 451 struct PropertyAttributes {
 452     CYPool pool_;
 453
 454     const char *name;
 455
 456     const char *variable;
 457
 458     const char *getter_;
 459     const char *setter_;
 460
 461     bool readonly;
 462     bool copy;
 463     bool retain;
 464     bool nonatomic;
 465     bool dynamic;
 466     bool weak;
 467     bool garbage;
 468
 469     PropertyAttributes(objc_property_t property) :
 470         variable(NULL),
 471         getter_(NULL),
 472         setter_(NULL),
 473         readonly(false),
 474         copy(false),
 475         retain(false),
 476         nonatomic(false),
 477         dynamic(false),
 478         weak(false),
 479         garbage(false)
 480     {
 481         name = property_getName(property);
 482         const char *attributes(property_getAttributes(property));
 483
 484         for (char *state, *token(apr_strtok(apr_pstrdup(pool_, attributes), ",", &state)); token != NULL; token = apr_strtok(NULL, ",", &state)) {
 485             switch (*token) {
 486                 case 'R': readonly = true; break;
 487                 case 'C': copy = true; break;
 488                 case '&': retain = true; break;
 489                 case 'N': nonatomic = true; break;
 490                 case 'G': getter_ = token + 1; break;
 491                 case 'S': setter_ = token + 1; break;
 492                 case 'V': variable = token + 1; break;
 493             }
 494         }
 495
 496         /*if (variable == NULL) {
 497             variable = property_getName(property);
 498             size_t size(strlen(variable));
 499             char *name(new(pool_) char[size + 2]);
 500             name[0] = '_';
 501             memcpy(name + 1, variable, size);
 502             name[size + 1] = '\0';
 503             variable = name;
 504         }*/
 505     }
 506
 507     const char *Getter() {
 508         if (getter_ == NULL)
 509             getter_ = apr_pstrdup(pool_, name);
 510         return getter_;
 511     }
 512
 513     const char *Setter() {
 514         if (setter_ == NULL && !readonly) {
 515             size_t length(strlen(name));
 516
 517             char *temp(new(pool_) char[length + 5]);
 518             temp[0] = 's';
 519             temp[1] = 'e';
 520             temp[2] = 't';
 521
 522             if (length != 0) {
 523                 temp[3] = toupper(name[0]);
 524                 memcpy(temp + 4, name + 1, length - 1);
 525             }
 526
 527             temp[length + 3] = ':';
 528             temp[length + 4] = '\0';
 529             setter_ = temp;
 530         }
 531
 532         return setter_;
 533     }
 534
 535 };
 536 #endif
 537
 538 #ifdef __APPLE__
 539 NSObject *NSCFType$cy$toJSON(id self, SEL sel, NSString *key) {
 540     return [(NSString *) CFCopyDescription((CFTypeRef) self) autorelease];
 541 }
 542 #endif
 543
 544 #ifndef __APPLE__
 545 @interface CYWebUndefined : NSObject {
 546 }
 547
 548 + (CYWebUndefined *) undefined;
 549
 550 @end
 551
 552 @implementation CYWebUndefined
 553
 554 + (CYWebUndefined *) undefined {
 555     static CYWebUndefined *instance_([[CYWebUndefined alloc] init]);
 556     return instance_;
 557 }
 558
 559 @end
 560
 561 #define WebUndefined CYWebUndefined
 562 #endif
 563
 564 /* Bridge: CYJSObject {{{ */
 565 @interface CYJSObject : NSMutableDictionary {
 566     JSObjectRef object_;
 567     JSContextRef context_;
 568 }
 569
 570 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
 571
 572 - (NSObject *) cy$toJSON:(NSString *)key;
 573
 574 - (NSUInteger) count;
 575 - (id) objectForKey:(id)key;
 576 - (NSEnumerator *) keyEnumerator;
 577 - (void) setObject:(id)object forKey:(id)key;
 578 - (void) removeObjectForKey:(id)key;
 579
 580 @end
 581 /* }}} */
 582 /* Bridge: CYJSArray {{{ */
 583 @interface CYJSArray : NSMutableArray {
 584     JSObjectRef object_;
 585     JSContextRef context_;
 586 }
 587
 588 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
 589
 590 - (NSUInteger) count;
 591 - (id) objectAtIndex:(NSUInteger)index;
 592
 593 - (void) addObject:(id)anObject;
 594 - (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
 595 - (void) removeLastObject;
 596 - (void) removeObjectAtIndex:(NSUInteger)index;
 597 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
 598
 599 @end
 600 /* }}} */
 601
 602 NSObject *CYCastNSObject_(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
 603     JSObjectRef Array(CYGetCachedObject(context, Array_s));
 604     JSValueRef exception(NULL);
 605     bool array(JSValueIsInstanceOfConstructor(context, object, Array, &exception));
 606     CYThrow(context, exception);
 607     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
 608     return CYPoolRelease(pool, [value initWithJSObject:object inContext:context]);
 609 }
 610
 611 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
 612     if (!JSValueIsObjectOfClass(context, object, Instance_))
 613         return CYCastNSObject_(pool, context, object);
 614     else {
 615         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 616         return internal->GetValue();
 617     }
 618 }
 619
 620 NSNumber *CYCopyNSNumber(JSContextRef context, JSValueRef value) {
 621     return [[NSNumber alloc] initWithDouble:CYCastDouble(context, value)];
 622 }
 623
 624 #ifndef __APPLE__
 625 @interface NSBoolNumber : NSNumber {
 626 }
 627 @end
 628 #endif
 629
 630 id CYNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value, bool cast) {
 631     id object;
 632     bool copy;
 633
 634     switch (JSType type = JSValueGetType(context, value)) {
 635         case kJSTypeUndefined:
 636             object = [WebUndefined undefined];
 637             copy = false;
 638         break;
 639
 640         case kJSTypeNull:
 641             return NULL;
 642         break;
 643
 644         case kJSTypeBoolean:
 645 #ifdef __APPLE__
 646             object = (id) (CYCastBool(context, value) ? kCFBooleanTrue : kCFBooleanFalse);
 647             copy = false;
 648 #else
 649             object = [[NSBoolNumber alloc] initWithBool:CYCastBool(context, value)];
 650             copy = true;
 651 #endif
 652         break;
 653
 654         case kJSTypeNumber:
 655             object = CYCopyNSNumber(context, value);
 656             copy = true;
 657         break;
 658
 659         case kJSTypeString:
 660             object = CYCopyNSString(context, value);
 661             copy = true;
 662         break;
 663
 664         case kJSTypeObject:
 665             // XXX: this might could be more efficient
 666             object = CYCastNSObject(pool, context, (JSObjectRef) value);
 667             copy = false;
 668         break;
 669
 670         default:
 671             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 672         break;
 673     }
 674
 675     if (cast != copy)
 676         return object;
 677     else if (copy)
 678         return CYPoolRelease(pool, object);
 679     else
 680         return [object retain];
 681 }
 682
 683 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 684     return CYNSObject(pool, context, value, true);
 685 }
 686
 687 NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 688     return CYNSObject(pool, context, value, false);
 689 }
 690
 691 /* Bridge: NSArray {{{ */
 692 @implementation NSArray (Cycript)
 693
 694 - (NSString *) cy$toCYON {
 695     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 696     [json appendString:@"["];
 697
 698     bool comma(false);
 699 #ifdef __APPLE__
 700     for (id object in self) {
 701 #else
 702     for (size_t index(0), count([self count]); index != count; ++index) {
 703         id object([self objectAtIndex:index]);
 704 #endif
 705         if (comma)
 706             [json appendString:@","];
 707         else
 708             comma = true;
 709         if (object == nil || [object cy$JSType] != kJSTypeUndefined)
 710             [json appendString:CYCastNSCYON(object)];
 711         else {
 712             [json appendString:@","];
 713             comma = false;
 714         }
 715     }
 716
 717     [json appendString:@"]"];
 718     return json;
 719 }
 720
 721 - (bool) cy$hasProperty:(NSString *)name {
 722     if ([name isEqualToString:@"length"])
 723         return true;
 724
 725     size_t index(CYGetIndex(name));
 726     if (index == _not(size_t) || index >= [self count])
 727         return [super cy$hasProperty:name];
 728     else
 729         return true;
 730 }
 731
 732 - (NSObject *) cy$getProperty:(NSString *)name {
 733     if ([name isEqualToString:@"length"]) {
 734         NSUInteger count([self count]);
 735 #ifdef __APPLE__
 736         return [NSNumber numberWithUnsignedInteger:count];
 737 #else
 738         return [NSNumber numberWithUnsignedInt:count];
 739 #endif
 740     }
 741
 742     size_t index(CYGetIndex(name));
 743     if (index == _not(size_t) || index >= [self count])
 744         return [super cy$getProperty:name];
 745     else
 746         return [self objectAtIndex:index];
 747 }
 748
 749 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 750     [super cy$getPropertyNames:names inContext:context];
 751
 752     for (size_t index(0), count([self count]); index != count; ++index) {
 753         id object([self objectAtIndex:index]);
 754         if (object == nil || [object cy$JSType] != kJSTypeUndefined) {
 755             char name[32];
 756             sprintf(name, "%zu", index);
 757             JSPropertyNameAccumulatorAddName(names, CYJSString(name));
 758         }
 759     }
 760 }
 761
 762 @end
 763 /* }}} */
 764 /* Bridge: NSBoolNumber {{{ */
 765 #ifndef __APPLE__
 766 @implementation NSBoolNumber (Cycript)
 767
 768 - (JSType) cy$JSType {
 769     return kJSTypeBoolean;
 770 }
 771
 772 - (NSObject *) cy$toJSON:(NSString *)key {
 773     return self;
 774 }
 775
 776 - (NSString *) cy$toCYON {
 777     return [self boolValue] ? @"true" : @"false";
 778 }
 779
 780 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 781     return CYCastJSValue(context, (bool) [self boolValue]);
 782 } CYObjectiveCatch }
 783
 784 @end
 785 #endif
 786 /* }}} */
 787 /* Bridge: NSDictionary {{{ */
 788 @implementation NSDictionary (Cycript)
 789
 790 - (NSString *) cy$toCYON {
 791     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 792     [json appendString:@"{"];
 793
 794     bool comma(false);
 795 #ifdef __APPLE__
 796     for (NSObject *key in self) {
 797 #else
 798     NSEnumerator *keys([self keyEnumerator]);
 799     while (NSObject *key = [keys nextObject]) {
 800 #endif
 801         if (comma)
 802             [json appendString:@","];
 803         else
 804             comma = true;
 805         [json appendString:[key cy$toKey]];
 806         [json appendString:@":"];
 807         NSObject *object([self objectForKey:key]);
 808         [json appendString:CYCastNSCYON(object)];
 809     }
 810
 811     [json appendString:@"}"];
 812     return json;
 813 }
 814
 815 - (bool) cy$hasProperty:(NSString *)name {
 816     return [self objectForKey:name] != nil;
 817 }
 818
 819 - (NSObject *) cy$getProperty:(NSString *)name {
 820     return [self objectForKey:name];
 821 }
 822
 823 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 824     [super cy$getPropertyNames:names inContext:context];
 825
 826 #ifdef __APPLE__
 827     for (NSObject *key in self) {
 828 #else
 829     NSEnumerator *keys([self keyEnumerator]);
 830     while (NSObject *key = [keys nextObject]) {
 831 #endif
 832         JSPropertyNameAccumulatorAddName(names, CYJSString(context, key));
 833     }
 834 }
 835
 836 @end
 837 /* }}} */
 838 /* Bridge: NSMutableArray {{{ */
 839 @implementation NSMutableArray (Cycript)
 840
 841 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 842     if ([name isEqualToString:@"length"]) {
 843         // XXX: is this not intelligent?
 844         NSNumber *number(reinterpret_cast<NSNumber *>(value));
 845 #ifdef __APPLE__
 846         NSUInteger size([number unsignedIntegerValue]);
 847 #else
 848         NSUInteger size([number unsignedIntValue]);
 849 #endif
 850         NSUInteger count([self count]);
 851         if (size < count)
 852             [self removeObjectsInRange:NSMakeRange(size, count - size)];
 853         else if (size != count) {
 854             WebUndefined *undefined([WebUndefined undefined]);
 855             for (size_t i(count); i != size; ++i)
 856                 [self addObject:undefined];
 857         }
 858         return true;
 859     }
 860
 861     size_t index(CYGetIndex(name));
 862     if (index == _not(size_t))
 863         return [super cy$setProperty:name to:value];
 864
 865     id object(value ?: [NSNull null]);
 866
 867     size_t count([self count]);
 868     if (index < count)
 869         [self replaceObjectAtIndex:index withObject:object];
 870     else {
 871         if (index != count) {
 872             WebUndefined *undefined([WebUndefined undefined]);
 873             for (size_t i(count); i != index; ++i)
 874                 [self addObject:undefined];
 875         }
 876
 877         [self addObject:object];
 878     }
 879
 880     return true;
 881 }
 882
 883 - (bool) cy$deleteProperty:(NSString *)name {
 884     size_t index(CYGetIndex(name));
 885     if (index == _not(size_t) || index >= [self count])
 886         return [super cy$deleteProperty:name];
 887     [self replaceObjectAtIndex:index withObject:[WebUndefined undefined]];
 888     return true;
 889 }
 890
 891 @end
 892 /* }}} */
 893 /* Bridge: NSMutableDictionary {{{ */
 894 @implementation NSMutableDictionary (Cycript)
 895
 896 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 897     [self setObject:(value ?: [NSNull null]) forKey:name];
 898     return true;
 899 }
 900
 901 - (bool) cy$deleteProperty:(NSString *)name {
 902     if ([self objectForKey:name] == nil)
 903         return false;
 904     else {
 905         [self removeObjectForKey:name];
 906         return true;
 907     }
 908 }
 909
 910 @end
 911 /* }}} */
 912 /* Bridge: NSNumber {{{ */
 913 @implementation NSNumber (Cycript)
 914
 915 - (JSType) cy$JSType {
 916 #ifdef __APPLE__
 917     // XXX: this just seems stupid
 918     if ([self class] == NSCFBoolean_)
 919         return kJSTypeBoolean;
 920 #endif
 921     return kJSTypeNumber;
 922 }
 923
 924 - (NSObject *) cy$toJSON:(NSString *)key {
 925     return self;
 926 }
 927
 928 - (NSString *) cy$toCYON {
 929     return [self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false";
 930 }
 931
 932 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 933     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
 934 } CYObjectiveCatch }
 935
 936 @end
 937 /* }}} */
 938 /* Bridge: NSNull {{{ */
 939 @implementation NSNull (Cycript)
 940
 941 - (JSType) cy$JSType {
 942     return kJSTypeNull;
 943 }
 944
 945 - (NSObject *) cy$toJSON:(NSString *)key {
 946     return self;
 947 }
 948
 949 - (NSString *) cy$toCYON {
 950     return @"null";
 951 }
 952
 953 @end
 954 /* }}} */
 955 /* Bridge: NSObject {{{ */
 956 @implementation NSObject (Cycript)
 957
 958 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 959     return CYMakeInstance(context, self, false);
 960 } CYObjectiveCatch }
 961
 962 - (JSType) cy$JSType {
 963     return kJSTypeObject;
 964 }
 965
 966 - (NSObject *) cy$toJSON:(NSString *)key {
 967     return [self description];
 968 }
 969
 970 - (NSString *) cy$toCYON {
 971     return [[self cy$toJSON:@""] cy$toCYON];
 972 }
 973
 974 - (NSString *) cy$toKey {
 975     return [self cy$toCYON];
 976 }
 977
 978 - (bool) cy$hasProperty:(NSString *)name {
 979     return false;
 980 }
 981
 982 - (NSObject *) cy$getProperty:(NSString *)name {
 983     return nil;
 984 }
 985
 986 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 987     return false;
 988 }
 989
 990 - (bool) cy$deleteProperty:(NSString *)name {
 991     return false;
 992 }
 993
 994 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 995 }
 996
 997 @end
 998 /* }}} */
 999 /* Bridge: NSProxy {{{ */
1000 @implementation NSProxy (Cycript)
1001
1002 - (NSObject *) cy$toJSON:(NSString *)key {
1003     return [self description];
1004 }
1005
1006 - (NSString *) cy$toCYON {
1007     return [[self cy$toJSON:@""] cy$toCYON];
1008 }
1009
1010 @end
1011 /* }}} */
1012 /* Bridge: NSString {{{ */
1013 @implementation NSString (Cycript)
1014
1015 - (JSType) cy$JSType {
1016     return kJSTypeString;
1017 }
1018
1019 - (NSObject *) cy$toJSON:(NSString *)key {
1020     return self;
1021 }
1022
1023 - (NSString *) cy$toCYON {
1024     std::ostringstream str;
1025     CYUTF8String string(CYCastUTF8String(self));
1026     CYStringify(str, string.data, string.size);
1027     std::string value(str.str());
1028     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
1029 }
1030
1031 - (NSString *) cy$toKey {
1032     if (CYIsKey(CYCastUTF8String(self)))
1033         return self;
1034     return [self cy$toCYON];
1035 }
1036
1037 @end
1038 /* }}} */
1039 /* Bridge: WebUndefined {{{ */
1040 @implementation WebUndefined (Cycript)
1041
1042 - (JSType) cy$JSType {
1043     return kJSTypeUndefined;
1044 }
1045
1046 - (NSObject *) cy$toJSON:(NSString *)key {
1047     return self;
1048 }
1049
1050 - (NSString *) cy$toCYON {
1051     return @"undefined";
1052 }
1053
1054 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
1055     return CYJSUndefined(context);
1056 } CYObjectiveCatch }
1057
1058 @end
1059 /* }}} */
1060
1061 static bool CYIsClass(id self) {
1062 #ifdef __APPLE__
1063     // XXX: this is a lame object_isClass
1064     return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
1065 #else
1066     return GSObjCIsClass(self);
1067 #endif
1068 }
1069
1070 Class CYCastClass(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1071     id self(CYCastNSObject(pool, context, value));
1072     if (CYIsClass(self))
1073         return (Class) self;
1074     throw CYJSError(context, "got something that is not a Class");
1075     return NULL;
1076 }
1077
1078 NSArray *CYCastNSArray(JSContextRef context, JSPropertyNameArrayRef names) {
1079     CYPool pool;
1080     size_t size(JSPropertyNameArrayGetCount(names));
1081     NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
1082     for (size_t index(0); index != size; ++index)
1083         [array addObject:CYCastNSString(pool, context, JSPropertyNameArrayGetNameAtIndex(names, index))];
1084     return array;
1085 }
1086
1087 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
1088     if (value == nil)
1089         return CYJSNull(context);
1090     else if ([value respondsToSelector:@selector(cy$JSValueInContext:)])
1091         return [value cy$JSValueInContext:context];
1092     else
1093         return CYMakeInstance(context, value, false);
1094 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1095
1096 @implementation CYJSObject
1097
1098 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1099     if ((self = [super init]) != nil) {
1100         object_ = object;
1101         context_ = CYGetJSContext(context);
1102         //XXX:JSGlobalContextRetain(context_);
1103         JSValueProtect(context_, object_);
1104     } return self;
1105 } CYObjectiveCatch }
1106
1107 - (void) dealloc { CYObjectiveTry {
1108     JSValueUnprotect(context_, object_);
1109     //XXX:JSGlobalContextRelease(context_);
1110     [super dealloc];
1111 } CYObjectiveCatch }
1112
1113 - (NSObject *) cy$toJSON:(NSString *)key { CYObjectiveTry {
1114     JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_s));
1115     if (!CYIsCallable(context_, toJSON))
1116         return [super cy$toJSON:key];
1117     else {
1118         JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
1119         JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
1120         // XXX: do I really want an NSNull here?!
1121         return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1122     }
1123 } CYObjectiveCatch }
1124
1125 - (NSString *) cy$toCYON { CYObjectiveTry {
1126     CYPool pool;
1127     JSValueRef exception(NULL);
1128     const char *cyon(CYPoolCCYON(pool, context_, object_));
1129     CYThrow(context_, exception);
1130     if (cyon == NULL)
1131         return [super cy$toCYON];
1132     else
1133         return [NSString stringWithUTF8String:cyon];
1134 } CYObjectiveCatch }
1135
1136 - (NSUInteger) count { CYObjectiveTry {
1137     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1138     size_t size(JSPropertyNameArrayGetCount(names));
1139     JSPropertyNameArrayRelease(names);
1140     return size;
1141 } CYObjectiveCatch }
1142
1143 - (id) objectForKey:(id)key { CYObjectiveTry {
1144     JSValueRef value(CYGetProperty(context_, object_, CYJSString(context_, (NSObject *) key)));
1145     if (JSValueIsUndefined(context_, value))
1146         return nil;
1147     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1148 } CYObjectiveCatch }
1149
1150 - (NSEnumerator *) keyEnumerator { CYObjectiveTry {
1151     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1152     NSEnumerator *enumerator([CYCastNSArray(context_, names) objectEnumerator]);
1153     JSPropertyNameArrayRelease(names);
1154     return enumerator;
1155 } CYObjectiveCatch }
1156
1157 - (void) setObject:(id)object forKey:(id)key { CYObjectiveTry {
1158     CYSetProperty(context_, object_, CYJSString(context_, (NSObject *) key), CYCastJSValue(context_, (NSString *) object));
1159 } CYObjectiveCatch }
1160
1161 - (void) removeObjectForKey:(id)key { CYObjectiveTry {
1162     JSValueRef exception(NULL);
1163     (void) JSObjectDeleteProperty(context_, object_, CYJSString(context_, (NSObject *) key), &exception);
1164     CYThrow(context_, exception);
1165 } CYObjectiveCatch }
1166
1167 @end
1168
1169 @implementation CYJSArray
1170
1171 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1172     if ((self = [super init]) != nil) {
1173         object_ = object;
1174         context_ = CYGetJSContext(context);
1175         //XXX:JSGlobalContextRetain(context_);
1176         JSValueProtect(context_, object_);
1177     } return self;
1178 } CYObjectiveCatch }
1179
1180 - (void) dealloc { CYObjectiveTry {
1181     JSValueUnprotect(context_, object_);
1182     //XXX:JSGlobalContextRelease(context_);
1183     [super dealloc];
1184 } CYObjectiveCatch }
1185
1186 - (NSUInteger) count { CYObjectiveTry {
1187     return CYCastDouble(context_, CYGetProperty(context_, object_, length_s));
1188 } CYObjectiveCatch }
1189
1190 - (id) objectAtIndex:(NSUInteger)index { CYObjectiveTry {
1191     size_t bounds([self count]);
1192     if (index >= bounds)
1193         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1194     JSValueRef exception(NULL);
1195     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1196     CYThrow(context_, exception);
1197     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1198 } CYObjectiveCatch }
1199
1200 - (void) addObject:(id)object { CYObjectiveTry {
1201     JSValueRef exception(NULL);
1202     JSValueRef arguments[1];
1203     arguments[0] = CYCastJSValue(context_, (NSObject *) object);
1204     JSObjectRef Array(CYGetCachedObject(context_, Array_s));
1205     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, push_s)), object_, 1, arguments, &exception);
1206     CYThrow(context_, exception);
1207 } CYObjectiveCatch }
1208
1209 - (void) insertObject:(id)object atIndex:(NSUInteger)index { CYObjectiveTry {
1210     size_t bounds([self count] + 1);
1211     if (index >= bounds)
1212         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1213     JSValueRef exception(NULL);
1214     JSValueRef arguments[3];
1215     arguments[0] = CYCastJSValue(context_, index);
1216     arguments[1] = CYCastJSValue(context_, 0);
1217     arguments[2] = CYCastJSValue(context_, (NSObject *) object);
1218     JSObjectRef Array(CYGetCachedObject(context_, Array_s));
1219     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, splice_s)), object_, 3, arguments, &exception);
1220     CYThrow(context_, exception);
1221 } CYObjectiveCatch }
1222
1223 - (void) removeLastObject { CYObjectiveTry {
1224     JSValueRef exception(NULL);
1225     JSObjectRef Array(CYGetCachedObject(context_, Array_s));
1226     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, pop_s)), object_, 0, NULL, &exception);
1227     CYThrow(context_, exception);
1228 } CYObjectiveCatch }
1229
1230 - (void) removeObjectAtIndex:(NSUInteger)index { CYObjectiveTry {
1231     size_t bounds([self count]);
1232     if (index >= bounds)
1233         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1234     JSValueRef exception(NULL);
1235     JSValueRef arguments[2];
1236     arguments[0] = CYCastJSValue(context_, index);
1237     arguments[1] = CYCastJSValue(context_, 1);
1238     JSObjectRef Array(CYGetCachedObject(context_, Array_s));
1239     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, splice_s)), object_, 2, arguments, &exception);
1240     CYThrow(context_, exception);
1241 } CYObjectiveCatch }
1242
1243 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object { CYObjectiveTry {
1244     size_t bounds([self count]);
1245     if (index >= bounds)
1246         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1247     CYSetProperty(context_, object_, index, CYCastJSValue(context_, (NSObject *) object));
1248 } CYObjectiveCatch }
1249
1250 @end
1251
1252 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
1253 struct CYInternal :
1254     CYData
1255 {
1256     JSObjectRef object_;
1257
1258     CYInternal() :
1259         object_(NULL)
1260     {
1261     }
1262
1263     ~CYInternal() {
1264         // XXX: delete object_? ;(
1265     }
1266
1267     static CYInternal *Get(id self) {
1268         CYInternal *internal(NULL);
1269         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
1270             // XXX: do something epic? ;P
1271         }
1272
1273         return internal;
1274     }
1275
1276     static CYInternal *Set(id self) {
1277         CYInternal *internal(NULL);
1278         if (objc_ivar *ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
1279             if (internal == NULL) {
1280                 internal = new CYInternal();
1281                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
1282             }
1283         } else {
1284             // XXX: do something epic? ;P
1285         }
1286
1287         return internal;
1288     }
1289
1290     bool HasProperty(JSContextRef context, JSStringRef name) {
1291         if (object_ == NULL)
1292             return false;
1293         return JSObjectHasProperty(context, object_, name);
1294     }
1295
1296     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
1297         if (object_ == NULL)
1298             return NULL;
1299         return CYGetProperty(context, object_, name);
1300     }
1301
1302     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
1303         if (object_ == NULL)
1304             object_ = JSObjectMake(context, NULL, NULL);
1305         CYSetProperty(context, object_, name, value);
1306     }
1307 };
1308
1309 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
1310     Selector_privateData *internal(new Selector_privateData(sel));
1311     return JSObjectMake(context, Selector_, internal);
1312 }
1313
1314 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
1315     if (JSValueIsObjectOfClass(context, value, Selector_)) {
1316         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1317         return reinterpret_cast<SEL>(internal->value_);
1318     } else
1319         return CYCastPointer<SEL>(context, value);
1320 }
1321
1322 void *CYObjectiveC_ExecuteStart(JSContextRef context) { CYSadTry {
1323     return (void *) [[NSAutoreleasePool alloc] init];
1324 } CYSadCatch(NULL) }
1325
1326 void CYObjectiveC_ExecuteEnd(JSContextRef context, void *handle) { CYSadTry {
1327     return [(NSAutoreleasePool *) handle release];
1328 } CYSadCatch() }
1329
1330 JSValueRef CYObjectiveC_RuntimeProperty(JSContextRef context, CYUTF8String name) { CYPoolTry {
1331     if (name == "nil")
1332         return Instance::Make(context, nil);
1333     if (Class _class = objc_getClass(name.data))
1334         return CYMakeInstance(context, _class, true);
1335     return NULL;
1336 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1337
1338 static void CYObjectiveC_CallFunction(JSContextRef context, ffi_cif *cif, void (*function)(), uint8_t *value, void **values) { CYSadTry {
1339     ffi_call(cif, function, value, values);
1340 } CYSadCatch() }
1341
1342 static bool CYObjectiveC_PoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYSadTry {
1343     switch (type->primitive) {
1344         case sig::object_P:
1345         case sig::typename_P:
1346             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
1347         break;
1348
1349         case sig::selector_P:
1350             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
1351         break;
1352
1353         default:
1354             return false;
1355     }
1356
1357     return true;
1358 } CYSadCatch(false) }
1359
1360 static JSValueRef CYObjectiveC_FromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) { CYPoolTry {
1361     switch (type->primitive) {
1362         case sig::object_P:
1363             if (NSObject *object = *reinterpret_cast<NSObject **>(data)) {
1364                 JSValueRef value(CYCastJSValue(context, object));
1365                 if (initialize)
1366                     [object release];
1367                 return value;
1368             } else goto null;
1369
1370         case sig::typename_P:
1371             return CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
1372
1373         case sig::selector_P:
1374             if (SEL sel = *reinterpret_cast<SEL *>(data))
1375                 return CYMakeSelector(context, sel);
1376             else goto null;
1377
1378         null:
1379             return CYJSNull(context);
1380         default:
1381             return NULL;
1382     }
1383 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1384
1385 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
1386     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
1387         if (!devoid)
1388             return true;
1389 #if OBJC_API_VERSION >= 2
1390         char type[16];
1391         method_getReturnType(method, type, sizeof(type));
1392 #else
1393         const char *type(method_getTypeEncoding(method));
1394 #endif
1395         if (type[0] != 'v')
1396             return true;
1397     }
1398
1399     // XXX: possibly use a more "awesome" check?
1400     return false;
1401 }
1402
1403 static const char *CYPoolTypeEncoding(apr_pool_t *pool, JSContextRef context, SEL sel, objc_method *method) {
1404     if (method != NULL)
1405         return method_getTypeEncoding(method);
1406
1407     const char *name(sel_getName(sel));
1408     size_t length(strlen(name));
1409
1410     char keyed[length + 2];
1411     keyed[0] = '6';
1412     keyed[length + 1] = '\0';
1413     memcpy(keyed + 1, name, length);
1414
1415     if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1))
1416         return entry->value_;
1417
1418     return NULL;
1419 }
1420
1421 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
1422     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
1423
1424     JSContextRef context(internal->context_);
1425
1426     size_t count(internal->cif_.nargs);
1427     JSValueRef values[count];
1428
1429     for (size_t index(0); index != count; ++index)
1430         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
1431
1432     JSObjectRef _this(CYCastJSObject(context, values[0]));
1433
1434     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
1435     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
1436 }
1437
1438 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
1439     Message_privateData *internal(new Message_privateData(sel, type, imp));
1440     return JSObjectMake(context, Message_, internal);
1441 }
1442
1443 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
1444     JSObjectRef function(CYCastJSObject(context, value));
1445     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
1446     // XXX: see notes in Library.cpp about needing to leak
1447     return reinterpret_cast<IMP>(internal->GetValue());
1448 }
1449
1450 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1451     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1452     Class _class(internal->GetValue());
1453
1454     CYPool pool;
1455     const char *name(CYPoolCString(pool, context, property));
1456
1457     if (SEL sel = sel_getUid(name))
1458         if (class_getInstanceMethod(_class, sel) != NULL)
1459             return true;
1460
1461     return false;
1462 }
1463
1464 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1465     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1466     Class _class(internal->GetValue());
1467
1468     CYPool pool;
1469     const char *name(CYPoolCString(pool, context, property));
1470
1471     if (SEL sel = sel_getUid(name))
1472         if (objc_method *method = class_getInstanceMethod(_class, sel))
1473             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
1474
1475     return NULL;
1476 }
1477
1478 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
1479     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1480     Class _class(internal->GetValue());
1481
1482     CYPool pool;
1483     const char *name(CYPoolCString(pool, context, property));
1484
1485     SEL sel(sel_registerName(name));
1486
1487     objc_method *method(class_getInstanceMethod(_class, sel));
1488
1489     const char *type;
1490     IMP imp;
1491
1492     if (JSValueIsObjectOfClass(context, value, Message_)) {
1493         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1494         type = sig::Unparse(pool, &message->signature_);
1495         imp = reinterpret_cast<IMP>(message->GetValue());
1496     } else {
1497         type = CYPoolTypeEncoding(pool, context, sel, method);
1498         imp = CYMakeMessage(context, value, type);
1499     }
1500
1501     if (method != NULL)
1502         method_setImplementation(method, imp);
1503     else {
1504 #ifdef GNU_RUNTIME
1505         GSMethodList list(GSAllocMethodList(1));
1506         GSAppendMethodToList(list, sel, type, imp, YES);
1507         GSAddMethodList(_class, list, YES);
1508         GSFlushMethodCacheForClass(_class);
1509 #else
1510         class_addMethod(_class, sel, imp, type);
1511 #endif
1512     }
1513
1514     return true;
1515 }
1516
1517 #if 0 && OBJC_API_VERSION < 2
1518 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1519     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1520     Class _class(internal->GetValue());
1521
1522     CYPool pool;
1523     const char *name(CYPoolCString(pool, context, property));
1524
1525     if (SEL sel = sel_getUid(name))
1526         if (objc_method *method = class_getInstanceMethod(_class, sel)) {
1527             objc_method_list list = {NULL, 1, {method}};
1528             class_removeMethods(_class, &list);
1529             return true;
1530         }
1531
1532     return false;
1533 }
1534 #endif
1535
1536 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1537     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1538     Class _class(internal->GetValue());
1539
1540 #if OBJC_API_VERSION >= 2
1541     unsigned int size;
1542     objc_method **data(class_copyMethodList(_class, &size));
1543     for (size_t i(0); i != size; ++i)
1544         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
1545     free(data);
1546 #else
1547     for (objc_method_list *methods(_class->methods); methods != NULL; methods = methods->method_next)
1548         for (int i(0); i != methods->method_count; ++i)
1549             JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(&methods->method_list[i]))));
1550 #endif
1551 }
1552
1553 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1554     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1555     id self(internal->GetValue());
1556
1557     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1558         return true;
1559
1560     CYPool pool;
1561     NSString *name(CYCastNSString(pool, context, property));
1562
1563     if (CYInternal *internal = CYInternal::Get(self))
1564         if (internal->HasProperty(context, property))
1565             return true;
1566
1567     Class _class(object_getClass(self));
1568
1569     CYPoolTry {
1570         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1571         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
1572             if ([self cy$hasProperty:name])
1573                 return true;
1574     } CYPoolCatch(false)
1575
1576     const char *string(CYPoolCString(pool, context, name));
1577
1578 #ifdef __APPLE__
1579     if (class_getProperty(_class, string) != NULL)
1580         return true;
1581 #endif
1582
1583     if (SEL sel = sel_getUid(string))
1584         if (CYImplements(self, _class, sel, true))
1585             return true;
1586
1587     return false;
1588 }
1589
1590 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1591     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1592     id self(internal->GetValue());
1593
1594     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1595         return Internal::Make(context, self, object);
1596
1597     CYPool pool;
1598     NSString *name(CYCastNSString(pool, context, property));
1599
1600     if (CYInternal *internal = CYInternal::Get(self))
1601         if (JSValueRef value = internal->GetProperty(context, property))
1602             return value;
1603
1604     CYPoolTry {
1605         if (NSObject *data = [self cy$getProperty:name])
1606             return CYCastJSValue(context, data);
1607     } CYPoolCatch(NULL)
1608
1609     const char *string(CYPoolCString(pool, context, name));
1610     Class _class(object_getClass(self));
1611
1612 #ifdef __APPLE__
1613     if (objc_property_t property = class_getProperty(_class, string)) {
1614         PropertyAttributes attributes(property);
1615         SEL sel(sel_registerName(attributes.Getter()));
1616         return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1617     }
1618 #endif
1619
1620     if (SEL sel = sel_getUid(string))
1621         if (CYImplements(self, _class, sel, true))
1622             return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1623
1624     return NULL;
1625 } CYCatch }
1626
1627 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1628     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1629     id self(internal->GetValue());
1630
1631     CYPool pool;
1632
1633     NSString *name(CYCastNSString(pool, context, property));
1634     NSObject *data(CYCastNSObject(pool, context, value));
1635
1636     CYPoolTry {
1637         if ([self cy$setProperty:name to:data])
1638             return true;
1639     } CYPoolCatch(NULL)
1640
1641     const char *string(CYPoolCString(pool, context, name));
1642     Class _class(object_getClass(self));
1643
1644 #ifdef __APPLE__
1645     if (objc_property_t property = class_getProperty(_class, string)) {
1646         PropertyAttributes attributes(property);
1647         if (const char *setter = attributes.Setter()) {
1648             SEL sel(sel_registerName(setter));
1649             JSValueRef arguments[1] = {value};
1650             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1651             return true;
1652         }
1653     }
1654 #endif
1655
1656     size_t length(strlen(string));
1657
1658     char set[length + 5];
1659
1660     set[0] = 's';
1661     set[1] = 'e';
1662     set[2] = 't';
1663
1664     if (string[0] != '\0') {
1665         set[3] = toupper(string[0]);
1666         memcpy(set + 4, string + 1, length - 1);
1667     }
1668
1669     set[length + 3] = ':';
1670     set[length + 4] = '\0';
1671
1672     if (SEL sel = sel_getUid(set))
1673         if (CYImplements(self, _class, sel, false)) {
1674             JSValueRef arguments[1] = {value};
1675             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1676         }
1677
1678     if (CYInternal *internal = CYInternal::Set(self)) {
1679         internal->SetProperty(context, property, value);
1680         return true;
1681     }
1682
1683     return false;
1684 } CYCatch }
1685
1686 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1687     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1688     id self(internal->GetValue());
1689
1690     CYPoolTry {
1691         NSString *name(CYCastNSString(NULL, context, property));
1692         return [self cy$deleteProperty:name];
1693     } CYPoolCatch(NULL)
1694 } CYCatch return /*XXX*/ NULL; }
1695
1696 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1697     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1698     id self(internal->GetValue());
1699
1700     CYPool pool;
1701     Class _class(object_getClass(self));
1702
1703 #ifdef __APPLE__
1704     {
1705         unsigned int size;
1706         objc_property_t *data(class_copyPropertyList(_class, &size));
1707         for (size_t i(0); i != size; ++i)
1708             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
1709         free(data);
1710     }
1711 #endif
1712
1713     CYPoolTry {
1714         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1715         if (CYImplements(self, _class, @selector(cy$getPropertyNames:inContext:), false))
1716             [self cy$getPropertyNames:names inContext:context];
1717     } CYPoolCatch()
1718 }
1719
1720 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1721     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1722     JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
1723     return value;
1724 } CYCatch }
1725
1726 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) { CYTry {
1727     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
1728     Class _class(internal->GetValue());
1729     if (!CYIsClass(_class))
1730         return false;
1731
1732     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
1733         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
1734         // XXX: this isn't always safe
1735         return [linternal->GetValue() isKindOfClass:_class];
1736     }
1737
1738     return false;
1739 } CYCatch }
1740
1741 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1742     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1743     CYPool pool;
1744
1745     id self(internal->GetValue());
1746     const char *name(CYPoolCString(pool, context, property));
1747
1748     if (object_getInstanceVariable(self, name, NULL) != NULL)
1749         return true;
1750
1751     return false;
1752 }
1753
1754 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1755     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1756     CYPool pool;
1757
1758     id self(internal->GetValue());
1759     const char *name(CYPoolCString(pool, context, property));
1760
1761     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1762         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1763         // XXX: if this fails and throws an exception the person we are throwing it to gets the wrong exception
1764         return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
1765     }
1766
1767     return NULL;
1768 } CYCatch }
1769
1770 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1771     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1772     CYPool pool;
1773
1774     id self(internal->GetValue());
1775     const char *name(CYPoolCString(pool, context, property));
1776
1777     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1778         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1779         CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
1780         return true;
1781     }
1782
1783     return false;
1784 } CYCatch }
1785
1786 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
1787     if (Class super = class_getSuperclass(_class))
1788         Internal_getPropertyNames_(super, names);
1789
1790 #if OBJC_API_VERSION >= 2
1791     unsigned int size;
1792     objc_ivar **data(class_copyIvarList(_class, &size));
1793     for (size_t i(0); i != size; ++i)
1794         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
1795     free(data);
1796 #else
1797     if (objc_ivar_list *ivars = _class->ivars)
1798         for (int i(0); i != ivars->ivar_count; ++i)
1799             JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(&ivars->ivar_list[i])));
1800 #endif
1801 }
1802
1803 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1804     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1805     CYPool pool;
1806
1807     id self(internal->GetValue());
1808     Class _class(object_getClass(self));
1809
1810     Internal_getPropertyNames_(_class, names);
1811 }
1812
1813 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1814     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1815     return internal->GetOwner();
1816 }
1817
1818 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1819     CYPool pool;
1820     NSString *name(CYCastNSString(pool, context, property));
1821     if (Class _class = NSClassFromString(name))
1822         return CYMakeInstance(context, _class, true);
1823     return NULL;
1824 } CYCatch }
1825
1826 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1827 #ifdef __APPLE__
1828     size_t size(objc_getClassList(NULL, 0));
1829     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
1830
1831   get:
1832     size_t writ(objc_getClassList(data, size));
1833     if (size < writ) {
1834         size = writ;
1835         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
1836             data = copy;
1837             goto get;
1838         } else goto done;
1839     }
1840
1841     for (size_t i(0); i != writ; ++i)
1842         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
1843
1844   done:
1845     free(data);
1846 #else
1847     void *state(NULL);
1848     while (Class _class = objc_next_class(&state))
1849         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(_class)));
1850 #endif
1851 }
1852
1853 #if OBJC_API_VERSION >= 2
1854 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1855     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1856
1857     CYPool pool;
1858     const char *name(CYPoolCString(pool, context, property));
1859     unsigned int size;
1860     const char **data(objc_copyClassNamesForImage(internal, &size));
1861     JSValueRef value;
1862     for (size_t i(0); i != size; ++i)
1863         if (strcmp(name, data[i]) == 0) {
1864             if (Class _class = objc_getClass(name)) {
1865                 value = CYMakeInstance(context, _class, true);
1866                 goto free;
1867             } else
1868                 break;
1869         }
1870     value = NULL;
1871   free:
1872     free(data);
1873     return value;
1874 } CYCatch }
1875
1876 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1877     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1878     unsigned int size;
1879     const char **data(objc_copyClassNamesForImage(internal, &size));
1880     for (size_t i(0); i != size; ++i)
1881         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1882     free(data);
1883 }
1884
1885 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1886     CYPool pool;
1887     const char *name(CYPoolCString(pool, context, property));
1888     unsigned int size;
1889     const char **data(objc_copyImageNames(&size));
1890     for (size_t i(0); i != size; ++i)
1891         if (strcmp(name, data[i]) == 0) {
1892             name = data[i];
1893             goto free;
1894         }
1895     name = NULL;
1896   free:
1897     free(data);
1898     if (name == NULL)
1899         return NULL;
1900     JSObjectRef value(JSObjectMake(context, NULL, NULL));
1901     CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
1902     return value;
1903 } CYCatch }
1904
1905 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1906     unsigned int size;
1907     const char **data(objc_copyImageNames(&size));
1908     for (size_t i(0); i != size; ++i)
1909         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1910     free(data);
1911 }
1912 #endif
1913
1914 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1915     CYPool pool;
1916     const char *name(CYPoolCString(pool, context, property));
1917     if (Protocol *protocol = objc_getProtocol(name))
1918         return CYMakeInstance(context, protocol, true);
1919     return NULL;
1920 } CYCatch }
1921
1922 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1923 #if OBJC_API_VERSION >= 2
1924     unsigned int size;
1925     Protocol **data(objc_copyProtocolList(&size));
1926     for (size_t i(0); i != size; ++i)
1927         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
1928     free(data);
1929 #else
1930     // XXX: fix this!
1931 #endif
1932 }
1933
1934 #ifdef __APPLE__
1935 static bool stret(ffi_type *ffi_type) {
1936     return ffi_type->type == FFI_TYPE_STRUCT && (
1937         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
1938         struct_forward_array[ffi_type->size] != 0
1939     );
1940 }
1941 #endif
1942
1943 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class _class, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception) { CYTry {
1944     const char *type;
1945
1946     if (_class == NULL)
1947         _class = object_getClass(self);
1948
1949     IMP imp;
1950
1951     if (objc_method *method = class_getInstanceMethod(_class, _cmd)) {
1952         imp = method_getImplementation(method);
1953         type = method_getTypeEncoding(method);
1954     } else {
1955         imp = NULL;
1956
1957         CYPoolTry {
1958             NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
1959             if (method == nil)
1960                 throw CYJSError(context, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
1961             type = CYPoolCString(pool, context, [method _typeString]);
1962         } CYPoolCatch(NULL)
1963     }
1964
1965     void *setup[2];
1966     setup[0] = &self;
1967     setup[1] = &_cmd;
1968
1969     sig::Signature signature;
1970     sig::Parse(pool, &signature, type, &Structor_);
1971
1972     ffi_cif cif;
1973     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
1974
1975     if (imp == NULL) {
1976 #ifdef __APPLE__
1977         if (stret(cif.rtype))
1978             imp = class_getMethodImplementation_stret(_class, _cmd);
1979         else
1980             imp = class_getMethodImplementation(_class, _cmd);
1981 #else
1982         objc_super super = {self, _class};
1983         imp = objc_msg_lookup_super(&super, _cmd);
1984 #endif
1985     }
1986
1987     void (*function)() = reinterpret_cast<void (*)()>(imp);
1988     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
1989 } CYCatch }
1990
1991 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1992     if (count < 2)
1993         throw CYJSError(context, "too few arguments to objc_msgSend");
1994
1995     CYPool pool;
1996
1997     bool uninitialized;
1998
1999     id self;
2000     SEL _cmd;
2001     Class _class;
2002
2003     if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
2004         cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2005         self = internal->GetValue();
2006         _class = internal->class_;;
2007         uninitialized = false;
2008     } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
2009         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2010         self = internal->GetValue();
2011         _class = nil;
2012         uninitialized = internal->IsUninitialized();
2013         if (uninitialized)
2014             internal->value_ = nil;
2015     } else {
2016         self = CYCastNSObject(pool, context, arguments[0]);
2017         _class = nil;
2018         uninitialized = false;
2019     }
2020
2021     if (self == nil)
2022         return CYJSNull(context);
2023
2024     _cmd = CYCastSEL(context, arguments[1]);
2025
2026     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
2027 } CYCatch }
2028
2029 /* Hook: objc_registerClassPair {{{ */
2030 #if defined(__APPLE__) && defined(__arm__)
2031 // XXX: replace this with associated objects
2032
2033 MSHook(void, CYDealloc, id self, SEL sel) {
2034     CYInternal *internal;
2035     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
2036     if (internal != NULL)
2037         delete internal;
2038     _CYDealloc(self, sel);
2039 }
2040
2041 MSHook(void, objc_registerClassPair, Class _class) {
2042     Class super(class_getSuperclass(_class));
2043     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
2044         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
2045         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
2046     }
2047
2048     _objc_registerClassPair(_class);
2049 }
2050
2051 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2052     if (count != 1)
2053         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2054     CYPool pool;
2055     NSObject *value(CYCastNSObject(pool, context, arguments[0]));
2056     if (value == NULL || !CYIsClass(value))
2057         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2058     Class _class((Class) value);
2059     $objc_registerClassPair(_class);
2060     return CYJSUndefined(context);
2061 } CYCatch }
2062 #endif
2063 /* }}} */
2064
2065 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2066     JSValueRef setup[count + 2];
2067     setup[0] = _this;
2068     setup[1] = object;
2069     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
2070     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
2071 }
2072
2073 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2074     CYPool pool;
2075     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
2076
2077     // XXX: handle Instance::Uninitialized?
2078     id self(CYCastNSObject(pool, context, _this));
2079
2080     void *setup[2];
2081     setup[0] = &self;
2082     setup[1] = &internal->sel_;
2083
2084     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
2085 }
2086
2087 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2088     if (count != 2)
2089         throw CYJSError(context, "incorrect number of arguments to Super constructor");
2090     CYPool pool;
2091     id self(CYCastNSObject(pool, context, arguments[0]));
2092     Class _class(CYCastClass(pool, context, arguments[1]));
2093     return cy::Super::Make(context, self, _class);
2094 } CYCatch }
2095
2096 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2097     if (count != 1)
2098         throw CYJSError(context, "incorrect number of arguments to Selector constructor");
2099     CYPool pool;
2100     const char *name(CYPoolCString(pool, context, arguments[0]));
2101     return CYMakeSelector(context, sel_registerName(name));
2102 } CYCatch }
2103
2104 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2105     if (count > 1)
2106         throw CYJSError(context, "incorrect number of arguments to Instance constructor");
2107     id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
2108     return Instance::Make(context, self);
2109 } CYCatch }
2110
2111 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2112     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
2113     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
2114 }
2115
2116 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2117     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
2118     Type_privateData *typical(internal->GetType());
2119
2120     sig::Type *type;
2121     ffi_type *ffi;
2122
2123     if (typical == NULL) {
2124         type = NULL;
2125         ffi = NULL;
2126     } else {
2127         type = typical->type_;
2128         ffi = typical->ffi_;
2129     }
2130
2131     return CYMakePointer(context, &internal->value_, _not(size_t), type, ffi, object);
2132 }
2133
2134 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2135     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2136     return Instance::Make(context, (id) object_getClass(internal->GetValue()));
2137 }
2138
2139 static JSValueRef Instance_getProperty_protocol(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2140     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2141     id self(internal->GetValue());
2142     if (!CYIsClass(self))
2143         return CYJSUndefined(context);
2144     return CYGetClassPrototype(context, self);
2145 } CYCatch }
2146
2147 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2148     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2149     id self(internal->GetValue());
2150     if (!CYIsClass(self))
2151         return CYJSUndefined(context);
2152     return Messages::Make(context, (Class) self);
2153 }
2154
2155 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2156     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2157         return NULL;
2158
2159     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2160     return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue())));
2161 } CYCatch }
2162
2163 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2164     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2165         return NULL;
2166
2167     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2168
2169     CYPoolTry {
2170         NSString *key;
2171         if (count == 0)
2172             key = nil;
2173         else
2174             key = CYCastNSString(NULL, context, CYJSString(context, arguments[0]));
2175         // XXX: check for support of cy$toJSON?
2176         return CYCastJSValue(context, CYJSString(context, [internal->GetValue() cy$toJSON:key]));
2177     } CYPoolCatch(NULL)
2178 } CYCatch return /*XXX*/ NULL; }
2179
2180 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2181     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2182         return NULL;
2183
2184     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2185
2186     CYPoolTry {
2187         // XXX: this seems like a stupid implementation; what if it crashes? why not use the CYONifier backend?
2188         return CYCastJSValue(context, CYJSString(context, [internal->GetValue() description]));
2189     } CYPoolCatch(NULL)
2190 } CYCatch return /*XXX*/ NULL; }
2191
2192 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2193     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2194     return CYCastJSValue(context, sel_getName(internal->GetValue()));
2195 } CYCatch }
2196
2197 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2198     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
2199 }
2200
2201 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2202     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2203     const char *name(sel_getName(internal->GetValue()));
2204
2205     CYPoolTry {
2206         NSString *string([NSString stringWithFormat:@"@selector(%s)", name]);
2207         return CYCastJSValue(context, CYJSString(context, string));
2208     } CYPoolCatch(NULL)
2209 } CYCatch return /*XXX*/ NULL; }
2210
2211 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2212     if (count != 1)
2213         throw CYJSError(context, "incorrect number of arguments to Selector.type");
2214
2215     CYPool pool;
2216     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2217     SEL sel(internal->GetValue());
2218
2219     objc_method *method;
2220     if (Class _class = CYCastClass(pool, context, arguments[0]))
2221         method = class_getInstanceMethod(_class, sel);
2222     else
2223         method = NULL;
2224
2225     if (const char *type = CYPoolTypeEncoding(pool, context, sel, method))
2226         return CYCastJSValue(context, CYJSString(type));
2227
2228     return CYJSNull(context);
2229 } CYCatch }
2230
2231 static JSStaticValue Selector_staticValues[2] = {
2232     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
2233     {NULL, NULL, NULL, 0}
2234 };
2235
2236 static JSStaticValue Instance_staticValues[5] = {
2237     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2238     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2239     {"prototype", &Instance_getProperty_protocol, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2240     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2241     {NULL, NULL, NULL, 0}
2242 };
2243
2244 static JSStaticFunction Instance_staticFunctions[5] = {
2245     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2246     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2247     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2248     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2249     {NULL, NULL, 0}
2250 };
2251
2252 static JSStaticFunction Internal_staticFunctions[2] = {
2253     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2254     {NULL, NULL, 0}
2255 };
2256
2257 static JSStaticFunction Selector_staticFunctions[5] = {
2258     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2259     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2260     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2261     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2262     {NULL, NULL, 0}
2263 };
2264
2265 void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
2266     apr_pool_t *pool(CYGetGlobalPool());
2267
2268     Object_type = new(pool) Type_privateData("@");
2269     Selector_type = new(pool) Type_privateData(":");
2270
2271 #ifdef __APPLE__
2272     NSCFBoolean_ = objc_getClass("NSCFBoolean");
2273     NSCFType_ = objc_getClass("NSCFType");
2274     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
2275     NSZombie_ = objc_getClass("_NSZombie_");
2276 #else
2277     NSBoolNumber_ = objc_getClass("NSBoolNumber");
2278 #endif
2279
2280     NSArray_ = objc_getClass("NSArray");
2281     NSDictionary_ = objc_getClass("NSDictionary");
2282     Object_ = objc_getClass("Object");
2283
2284     JSClassDefinition definition;
2285
2286     definition = kJSClassDefinitionEmpty;
2287     definition.className = "Instance";
2288     definition.staticValues = Instance_staticValues;
2289     definition.staticFunctions = Instance_staticFunctions;
2290     definition.hasProperty = &Instance_hasProperty;
2291     definition.getProperty = &Instance_getProperty;
2292     definition.setProperty = &Instance_setProperty;
2293     definition.deleteProperty = &Instance_deleteProperty;
2294     definition.getPropertyNames = &Instance_getPropertyNames;
2295     definition.callAsConstructor = &Instance_callAsConstructor;
2296     definition.hasInstance = &Instance_hasInstance;
2297     definition.finalize = &CYFinalize;
2298     Instance_ = JSClassCreate(&definition);
2299
2300     definition = kJSClassDefinitionEmpty;
2301     definition.className = "Internal";
2302     definition.staticFunctions = Internal_staticFunctions;
2303     definition.hasProperty = &Internal_hasProperty;
2304     definition.getProperty = &Internal_getProperty;
2305     definition.setProperty = &Internal_setProperty;
2306     definition.getPropertyNames = &Internal_getPropertyNames;
2307     definition.finalize = &CYFinalize;
2308     Internal_ = JSClassCreate(&definition);
2309
2310     definition = kJSClassDefinitionEmpty;
2311     definition.className = "Message";
2312     definition.staticFunctions = cy::Functor::StaticFunctions;
2313     definition.callAsFunction = &Message_callAsFunction;
2314     definition.finalize = &CYFinalize;
2315     Message_ = JSClassCreate(&definition);
2316
2317     definition = kJSClassDefinitionEmpty;
2318     definition.className = "Messages";
2319     definition.hasProperty = &Messages_hasProperty;
2320     definition.getProperty = &Messages_getProperty;
2321     definition.setProperty = &Messages_setProperty;
2322 #if 0 && OBJC_API_VERSION < 2
2323     definition.deleteProperty = &Messages_deleteProperty;
2324 #endif
2325     definition.getPropertyNames = &Messages_getPropertyNames;
2326     definition.finalize = &CYFinalize;
2327     Messages_ = JSClassCreate(&definition);
2328
2329     definition = kJSClassDefinitionEmpty;
2330     definition.className = "Selector";
2331     definition.staticValues = Selector_staticValues;
2332     definition.staticFunctions = Selector_staticFunctions;
2333     definition.callAsFunction = &Selector_callAsFunction;
2334     definition.finalize = &CYFinalize;
2335     Selector_ = JSClassCreate(&definition);
2336
2337     definition = kJSClassDefinitionEmpty;
2338     definition.className = "Super";
2339     definition.staticFunctions = Internal_staticFunctions;
2340     definition.finalize = &CYFinalize;
2341     Super_ = JSClassCreate(&definition);
2342
2343     definition = kJSClassDefinitionEmpty;
2344     definition.className = "ObjectiveC::Classes";
2345     definition.getProperty = &ObjectiveC_Classes_getProperty;
2346     definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
2347     ObjectiveC_Classes_ = JSClassCreate(&definition);
2348
2349 #if OBJC_API_VERSION >= 2
2350     definition = kJSClassDefinitionEmpty;
2351     definition.className = "ObjectiveC::Images";
2352     definition.getProperty = &ObjectiveC_Images_getProperty;
2353     definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
2354     ObjectiveC_Images_ = JSClassCreate(&definition);
2355
2356     definition = kJSClassDefinitionEmpty;
2357     definition.className = "ObjectiveC::Image::Classes";
2358     definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
2359     definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
2360     ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
2361 #endif
2362
2363     definition = kJSClassDefinitionEmpty;
2364     definition.className = "ObjectiveC::Protocols";
2365     definition.getProperty = &ObjectiveC_Protocols_getProperty;
2366     definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
2367     ObjectiveC_Protocols_ = JSClassCreate(&definition);
2368
2369 #if defined(__APPLE__) && defined(__arm__)
2370     MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
2371 #endif
2372
2373 #ifdef __APPLE__
2374     class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
2375 #endif
2376 } CYPoolCatch() }
2377
2378 void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry {
2379     JSObjectRef global(CYGetGlobalObject(context));
2380     JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
2381     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
2382     JSObjectRef all(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("all"))));
2383
2384     JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
2385     CYSetProperty(context, cycript, CYJSString("ObjectiveC"), ObjectiveC);
2386
2387     CYSetProperty(context, ObjectiveC, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
2388     CYSetProperty(context, ObjectiveC, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
2389
2390 #if OBJC_API_VERSION >= 2
2391     CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
2392 #endif
2393
2394     JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
2395     JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
2396     JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
2397     JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
2398
2399     JSObjectRef Instance_prototype(CYCastJSObject(context, CYGetProperty(context, Instance, prototype_s)));
2400     CYSetProperty(context, cy, CYJSString("Instance_prototype"), Instance_prototype);
2401
2402     CYSetProperty(context, cycript, CYJSString("Instance"), Instance);
2403     CYSetProperty(context, cycript, CYJSString("Selector"), Selector);
2404     CYSetProperty(context, cycript, CYJSString("Super"), Super);
2405
2406 #if defined(__APPLE__) && defined(__arm__)
2407     CYSetProperty(context, all, CYJSString("objc_registerClassPair"), &objc_registerClassPair_, kJSPropertyAttributeDontEnum);
2408 #endif
2409
2410     CYSetProperty(context, all, CYJSString("objc_msgSend"), &$objc_msgSend, kJSPropertyAttributeDontEnum);
2411
2412     JSObjectRef Function_prototype(CYGetCachedObject(context, CYJSString("Function_prototype")));
2413     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype);
2414     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype);
2415 } CYPoolCatch() }
2416
2417 static CYHooks CYObjectiveCHooks = {
2418     &CYObjectiveC_ExecuteStart,
2419     &CYObjectiveC_ExecuteEnd,
2420     &CYObjectiveC_RuntimeProperty,
2421     &CYObjectiveC_CallFunction,
2422     &CYObjectiveC_Initialize,
2423     &CYObjectiveC_SetupContext,
2424     &CYObjectiveC_PoolFFI,
2425     &CYObjectiveC_FromFFI,
2426 };
2427
2428 struct CYObjectiveC {
2429     CYObjectiveC() {
2430         hooks_ = &CYObjectiveCHooks;
2431     }
2432 } CYObjectiveC;