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 "Execute.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     _assert(value != NULL); \
 135     if (ivar != NULL) \
 136         GSObjCGetVariable(object, ivar_getOffset(ivar), sizeof(void *), value); \
 137     ivar; \
 138 })
 139
 140 #define object_setIvar(object, ivar, value) ({ \
 141     void *data = (value); \
 142     GSObjCSetVariable(object, ivar_getOffset(ivar), sizeof(void *), &data); \
 143 })
 144
 145 #define protocol_getName(protocol) [(protocol) name]
 146 #endif
 147
 148 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class super, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception);
 149
 150 /* Objective-C Pool Release {{{ */
 151 apr_status_t CYPoolRelease_(void *data) {
 152     id object(reinterpret_cast<id>(data));
 153     [object release];
 154     return APR_SUCCESS;
 155 }
 156
 157 id CYPoolRelease_(apr_pool_t *pool, id object) {
 158     if (object == nil)
 159         return nil;
 160     else if (pool == NULL)
 161         return [object autorelease];
 162     else {
 163         apr_pool_cleanup_register(pool, object, &CYPoolRelease_, &apr_pool_cleanup_null);
 164         return object;
 165     }
 166 }
 167
 168 template <typename Type_>
 169 Type_ CYPoolRelease(apr_pool_t *pool, Type_ object) {
 170     return (Type_) CYPoolRelease_(pool, (id) object);
 171 }
 172 /* }}} */
 173 /* Objective-C Strings {{{ */
 174 const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, NSString *value) {
 175     if (pool == NULL)
 176         return [value UTF8String];
 177     else {
 178         size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
 179         char *string(new(pool) char[size]);
 180         if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
 181             throw CYJSError(context, "[NSString getCString:maxLength:encoding:] == NO");
 182         return string;
 183     }
 184 }
 185
 186 JSStringRef CYCopyJSString(JSContextRef context, NSString *value) {
 187 #ifdef __APPLE__
 188     return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));
 189 #else
 190     CYPool pool;
 191     return CYCopyJSString(CYPoolCString(pool, context, value));
 192 #endif
 193 }
 194
 195 JSStringRef CYCopyJSString(JSContextRef context, NSObject *value) {
 196     if (value == nil)
 197         return NULL;
 198     // XXX: this definition scares me; is anyone using this?!
 199     NSString *string([value description]);
 200     return CYCopyJSString(context, string);
 201 }
 202
 203 NSString *CYCopyNSString(const CYUTF8String &value) {
 204 #ifdef __APPLE__
 205     return (NSString *) CFStringCreateWithBytes(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(value.data), value.size, kCFStringEncodingUTF8, true);
 206 #else
 207     return [[NSString alloc] initWithBytes:value.data length:value.size encoding:NSUTF8StringEncoding];
 208 #endif
 209 }
 210
 211 NSString *CYCopyNSString(JSContextRef context, JSStringRef value) {
 212 #ifdef __APPLE__
 213     return (NSString *) JSStringCopyCFString(kCFAllocatorDefault, value);
 214 #else
 215     CYPool pool;
 216     return CYCopyNSString(CYPoolUTF8String(pool, context, value));
 217 #endif
 218 }
 219
 220 NSString *CYCopyNSString(JSContextRef context, JSValueRef value) {
 221     return CYCopyNSString(context, CYJSString(context, value));
 222 }
 223
 224 NSString *CYCastNSString(apr_pool_t *pool, const CYUTF8String &value) {
 225     return CYPoolRelease(pool, CYCopyNSString(value));
 226 }
 227
 228 NSString *CYCastNSString(apr_pool_t *pool, SEL sel) {
 229     const char *name(sel_getName(sel));
 230     return CYPoolRelease(pool, CYCopyNSString(CYUTF8String(name, strlen(name))));
 231 }
 232
 233 NSString *CYCastNSString(apr_pool_t *pool, JSContextRef context, JSStringRef value) {
 234     return CYPoolRelease(pool, CYCopyNSString(context, value));
 235 }
 236
 237 CYUTF8String CYCastUTF8String(NSString *value) {
 238     NSData *data([value dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO]);
 239     return CYUTF8String(reinterpret_cast<const char *>([data bytes]), [data length]);
 240 }
 241 /* }}} */
 242
 243 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value);
 244
 245 void CYThrow(JSContextRef context, NSException *error, JSValueRef *exception) {
 246     if (exception == NULL)
 247         throw error;
 248     *exception = CYCastJSValue(context, error);
 249 }
 250
 251 size_t CYGetIndex(NSString *value) {
 252     return CYGetIndex(CYCastUTF8String(value));
 253 }
 254
 255 bool CYGetOffset(apr_pool_t *pool, JSContextRef context, NSString *value, ssize_t &index) {
 256     return CYGetOffset(CYPoolCString(pool, context, value), index);
 257 }
 258
 259 static JSClassRef Instance_;
 260 static JSClassRef Internal_;
 261 static JSClassRef Message_;
 262 static JSClassRef Messages_;
 263 static JSClassRef Selector_;
 264 static JSClassRef StringInstance_;
 265 static JSClassRef Super_;
 266
 267 static JSClassRef ObjectiveC_Classes_;
 268 static JSClassRef ObjectiveC_Protocols_;
 269
 270 #ifdef __APPLE__
 271 static JSClassRef ObjectiveC_Image_Classes_;
 272 static JSClassRef ObjectiveC_Images_;
 273 #endif
 274
 275 #ifdef __APPLE__
 276 static Class NSCFBoolean_;
 277 static Class NSCFType_;
 278 static Class NSMessageBuilder_;
 279 static Class NSZombie_;
 280 #else
 281 static Class NSBoolNumber_;
 282 #endif
 283
 284 static Class NSArray_;
 285 static Class NSDictionary_;
 286 static Class NSString_;
 287 static Class Object_;
 288
 289 static Type_privateData *Object_type;
 290 static Type_privateData *Selector_type;
 291
 292 Type_privateData *Instance::GetType() const {
 293     return Object_type;
 294 }
 295
 296 Type_privateData *Selector_privateData::GetType() const {
 297     return Selector_type;
 298 }
 299
 300 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception);
 301
 302 JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
 303     if (self == nil)
 304         return CYGetCachedObject(context, CYJSString("Instance_prototype"));
 305
 306     JSObjectRef global(CYGetGlobalObject(context));
 307     JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
 308
 309     char label[32];
 310     sprintf(label, "i%p", self);
 311     CYJSString name(label);
 312
 313     JSValueRef value(CYGetProperty(context, cy, name));
 314     if (!JSValueIsUndefined(context, value))
 315         return value;
 316
 317     JSClassRef _class(NULL);
 318     JSValueRef prototype;
 319
 320     if (self == NSArray_)
 321         prototype = CYGetCachedObject(context, CYJSString("Array_prototype"));
 322     else if (self == NSDictionary_)
 323         prototype = CYGetCachedObject(context, CYJSString("Object_prototype"));
 324     else if (self == NSString_)
 325         prototype = CYGetCachedObject(context, CYJSString("StringInstance_prototype"));
 326     else
 327         prototype = CYGetClassPrototype(context, class_getSuperclass(self));
 328
 329     JSObjectRef object(JSObjectMake(context, _class, NULL));
 330     JSObjectSetPrototype(context, object, prototype);
 331     CYSetProperty(context, cy, name, object);
 332
 333     return object;
 334 }
 335
 336 JSObjectRef Messages::Make(JSContextRef context, Class _class, bool array) {
 337     JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
 338     if (_class == NSArray_)
 339         array = true;
 340     if (Class super = class_getSuperclass(_class))
 341         JSObjectSetPrototype(context, value, Messages::Make(context, super, array));
 342     /*else if (array)
 343         JSObjectSetPrototype(context, value, Array_prototype_);*/
 344     return value;
 345 }
 346
 347 JSObjectRef Internal::Make(JSContextRef context, id object, JSObjectRef owner) {
 348     return JSObjectMake(context, Internal_, new Internal(object, context, owner));
 349 }
 350
 351 namespace cy {
 352 JSObjectRef Super::Make(JSContextRef context, id object, Class _class) {
 353     JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
 354     return value;
 355 } }
 356
 357 JSObjectRef Instance::Make(JSContextRef context, id object, Flags flags) {
 358     JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
 359     JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
 360     return value;
 361 }
 362
 363 Instance::~Instance() {
 364     if ((flags_ & Transient) == 0)
 365         // XXX: does this handle background threads correctly?
 366         // XXX: this simply does not work on the console because I'm stupid
 367         [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
 368 }
 369
 370 struct Message_privateData :
 371     cy::Functor
 372 {
 373     SEL sel_;
 374
 375     Message_privateData(SEL sel, const char *type, IMP value = NULL) :
 376         cy::Functor(type, reinterpret_cast<void (*)()>(value)),
 377         sel_(sel)
 378     {
 379     }
 380 };
 381
 382 JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 383     Instance::Flags flags;
 384
 385     if (transient)
 386         flags = Instance::Transient;
 387     else {
 388         flags = Instance::None;
 389         object = [object retain];
 390     }
 391
 392     return Instance::Make(context, object, flags);
 393 }
 394
 395 @interface NSMethodSignature (Cycript)
 396 - (NSString *) _typeString;
 397 @end
 398
 399 @interface NSObject (Cycript)
 400
 401 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 402 - (JSType) cy$JSType;
 403
 404 - (NSObject *) cy$toJSON:(NSString *)key;
 405 - (NSString *) cy$toCYON;
 406 - (NSString *) cy$toKey;
 407
 408 - (bool) cy$hasProperty:(NSString *)name;
 409 - (NSObject *) cy$getProperty:(NSString *)name;
 410 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value;
 411 - (bool) cy$deleteProperty:(NSString *)name;
 412 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context;
 413
 414 + (bool) cy$hasImplicitProperties;
 415
 416 @end
 417
 418 @protocol Cycript
 419 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 420 @end
 421
 422 NSString *CYCastNSCYON(id value) {
 423     NSString *string;
 424
 425     if (value == nil)
 426         string = @"nil";
 427     else {
 428         Class _class(object_getClass(value));
 429         SEL sel(@selector(cy$toCYON));
 430
 431         if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
 432             string = reinterpret_cast<NSString *(*)(id, SEL)>(method_getImplementation(toCYON))(value, sel);
 433         else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
 434             if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
 435                 string = [value cy$toCYON];
 436             else goto fail;
 437         } else fail: {
 438             if (false);
 439 #ifdef __APPLE__
 440             else if (value == NSZombie_)
 441                 string = @"_NSZombie_";
 442             else if (_class == NSZombie_)
 443                 string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
 444             // XXX: frowny /in/ the pants
 445             else if (value == NSMessageBuilder_ || value == Object_)
 446                 string = nil;
 447 #endif
 448             else
 449                 string = [NSString stringWithFormat:@"%@", value];
 450         }
 451
 452         // XXX: frowny pants
 453         if (string == nil)
 454             string = @"undefined";
 455     }
 456
 457     return string;
 458 }
 459
 460 #ifdef __APPLE__
 461 struct PropertyAttributes {
 462     CYPool pool_;
 463
 464     const char *name;
 465
 466     const char *variable;
 467
 468     const char *getter_;
 469     const char *setter_;
 470
 471     bool readonly;
 472     bool copy;
 473     bool retain;
 474     bool nonatomic;
 475     bool dynamic;
 476     bool weak;
 477     bool garbage;
 478
 479     PropertyAttributes(objc_property_t property) :
 480         variable(NULL),
 481         getter_(NULL),
 482         setter_(NULL),
 483         readonly(false),
 484         copy(false),
 485         retain(false),
 486         nonatomic(false),
 487         dynamic(false),
 488         weak(false),
 489         garbage(false)
 490     {
 491         name = property_getName(property);
 492         const char *attributes(property_getAttributes(property));
 493
 494         for (char *state, *token(apr_strtok(apr_pstrdup(pool_, attributes), ",", &state)); token != NULL; token = apr_strtok(NULL, ",", &state)) {
 495             switch (*token) {
 496                 case 'R': readonly = true; break;
 497                 case 'C': copy = true; break;
 498                 case '&': retain = true; break;
 499                 case 'N': nonatomic = true; break;
 500                 case 'G': getter_ = token + 1; break;
 501                 case 'S': setter_ = token + 1; break;
 502                 case 'V': variable = token + 1; break;
 503             }
 504         }
 505
 506         /*if (variable == NULL) {
 507             variable = property_getName(property);
 508             size_t size(strlen(variable));
 509             char *name(new(pool_) char[size + 2]);
 510             name[0] = '_';
 511             memcpy(name + 1, variable, size);
 512             name[size + 1] = '\0';
 513             variable = name;
 514         }*/
 515     }
 516
 517     const char *Getter() {
 518         if (getter_ == NULL)
 519             getter_ = apr_pstrdup(pool_, name);
 520         return getter_;
 521     }
 522
 523     const char *Setter() {
 524         if (setter_ == NULL && !readonly) {
 525             size_t length(strlen(name));
 526
 527             char *temp(new(pool_) char[length + 5]);
 528             temp[0] = 's';
 529             temp[1] = 'e';
 530             temp[2] = 't';
 531
 532             if (length != 0) {
 533                 temp[3] = toupper(name[0]);
 534                 memcpy(temp + 4, name + 1, length - 1);
 535             }
 536
 537             temp[length + 3] = ':';
 538             temp[length + 4] = '\0';
 539             setter_ = temp;
 540         }
 541
 542         return setter_;
 543     }
 544
 545 };
 546 #endif
 547
 548 #ifdef __APPLE__
 549 NSObject *NSCFType$cy$toJSON(id self, SEL sel, NSString *key) {
 550     return [(NSString *) CFCopyDescription((CFTypeRef) self) autorelease];
 551 }
 552 #endif
 553
 554 #ifndef __APPLE__
 555 @interface CYWebUndefined : NSObject {
 556 }
 557
 558 + (CYWebUndefined *) undefined;
 559
 560 @end
 561
 562 @implementation CYWebUndefined
 563
 564 + (CYWebUndefined *) undefined {
 565     static CYWebUndefined *instance_([[CYWebUndefined alloc] init]);
 566     return instance_;
 567 }
 568
 569 @end
 570
 571 #define WebUndefined CYWebUndefined
 572 #endif
 573
 574 /* Bridge: CYJSObject {{{ */
 575 @interface CYJSObject : NSMutableDictionary {
 576     JSObjectRef object_;
 577     JSContextRef context_;
 578 }
 579
 580 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
 581
 582 - (NSObject *) cy$toJSON:(NSString *)key;
 583
 584 - (NSUInteger) count;
 585 - (id) objectForKey:(id)key;
 586 - (NSEnumerator *) keyEnumerator;
 587 - (void) setObject:(id)object forKey:(id)key;
 588 - (void) removeObjectForKey:(id)key;
 589
 590 @end
 591 /* }}} */
 592 /* Bridge: CYJSArray {{{ */
 593 @interface CYJSArray : NSMutableArray {
 594     JSObjectRef object_;
 595     JSContextRef context_;
 596 }
 597
 598 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
 599
 600 - (NSUInteger) count;
 601 - (id) objectAtIndex:(NSUInteger)index;
 602
 603 - (void) addObject:(id)anObject;
 604 - (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
 605 - (void) removeLastObject;
 606 - (void) removeObjectAtIndex:(NSUInteger)index;
 607 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
 608
 609 @end
 610 /* }}} */
 611
 612 NSObject *CYCastNSObject_(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
 613     JSObjectRef Array(CYGetCachedObject(context, Array_s));
 614     JSValueRef exception(NULL);
 615     bool array(JSValueIsInstanceOfConstructor(context, object, Array, &exception));
 616     CYThrow(context, exception);
 617     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
 618     return CYPoolRelease(pool, [value initWithJSObject:object inContext:context]);
 619 }
 620
 621 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
 622     if (!JSValueIsObjectOfClass(context, object, Instance_))
 623         return CYCastNSObject_(pool, context, object);
 624     else {
 625         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 626         return internal->GetValue();
 627     }
 628 }
 629
 630 NSNumber *CYCopyNSNumber(JSContextRef context, JSValueRef value) {
 631     return [[NSNumber alloc] initWithDouble:CYCastDouble(context, value)];
 632 }
 633
 634 #ifndef __APPLE__
 635 @interface NSBoolNumber : NSNumber {
 636 }
 637 @end
 638 #endif
 639
 640 id CYNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value, bool cast) {
 641     id object;
 642     bool copy;
 643
 644     switch (JSType type = JSValueGetType(context, value)) {
 645         case kJSTypeUndefined:
 646             object = [WebUndefined undefined];
 647             copy = false;
 648         break;
 649
 650         case kJSTypeNull:
 651             return NULL;
 652         break;
 653
 654         case kJSTypeBoolean:
 655 #ifdef __APPLE__
 656             object = (id) (CYCastBool(context, value) ? kCFBooleanTrue : kCFBooleanFalse);
 657             copy = false;
 658 #else
 659             object = [[NSBoolNumber alloc] initWithBool:CYCastBool(context, value)];
 660             copy = true;
 661 #endif
 662         break;
 663
 664         case kJSTypeNumber:
 665             object = CYCopyNSNumber(context, value);
 666             copy = true;
 667         break;
 668
 669         case kJSTypeString:
 670             object = CYCopyNSString(context, value);
 671             copy = true;
 672         break;
 673
 674         case kJSTypeObject:
 675             // XXX: this might could be more efficient
 676             object = CYCastNSObject(pool, context, (JSObjectRef) value);
 677             copy = false;
 678         break;
 679
 680         default:
 681             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 682         break;
 683     }
 684
 685     if (cast != copy)
 686         return object;
 687     else if (copy)
 688         return CYPoolRelease(pool, object);
 689     else
 690         return [object retain];
 691 }
 692
 693 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 694     return CYNSObject(pool, context, value, true);
 695 }
 696
 697 NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 698     return CYNSObject(pool, context, value, false);
 699 }
 700
 701 /* Bridge: NSArray {{{ */
 702 @implementation NSArray (Cycript)
 703
 704 - (NSString *) cy$toCYON {
 705     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 706     [json appendString:@"["];
 707
 708     bool comma(false);
 709 #ifdef __APPLE__
 710     for (id object in self) {
 711 #else
 712     for (size_t index(0), count([self count]); index != count; ++index) {
 713         id object([self objectAtIndex:index]);
 714 #endif
 715         if (comma)
 716             [json appendString:@","];
 717         else
 718             comma = true;
 719         if (object == nil || [object cy$JSType] != kJSTypeUndefined)
 720             [json appendString:CYCastNSCYON(object)];
 721         else {
 722             [json appendString:@","];
 723             comma = false;
 724         }
 725     }
 726
 727     [json appendString:@"]"];
 728     return json;
 729 }
 730
 731 - (bool) cy$hasProperty:(NSString *)name {
 732     if ([name isEqualToString:@"length"])
 733         return true;
 734
 735     size_t index(CYGetIndex(name));
 736     if (index == _not(size_t) || index >= [self count])
 737         return [super cy$hasProperty:name];
 738     else
 739         return true;
 740 }
 741
 742 - (NSObject *) cy$getProperty:(NSString *)name {
 743     if ([name isEqualToString:@"length"]) {
 744         NSUInteger count([self count]);
 745 #ifdef __APPLE__
 746         return [NSNumber numberWithUnsignedInteger:count];
 747 #else
 748         return [NSNumber numberWithUnsignedInt:count];
 749 #endif
 750     }
 751
 752     size_t index(CYGetIndex(name));
 753     if (index == _not(size_t) || index >= [self count])
 754         return [super cy$getProperty:name];
 755     else
 756         return [self objectAtIndex:index];
 757 }
 758
 759 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 760     [super cy$getPropertyNames:names inContext:context];
 761
 762     for (size_t index(0), count([self count]); index != count; ++index) {
 763         id object([self objectAtIndex:index]);
 764         if (object == nil || [object cy$JSType] != kJSTypeUndefined) {
 765             char name[32];
 766             sprintf(name, "%zu", index);
 767             JSPropertyNameAccumulatorAddName(names, CYJSString(name));
 768         }
 769     }
 770 }
 771
 772 + (bool) cy$hasImplicitProperties {
 773     return false;
 774 }
 775
 776 @end
 777 /* }}} */
 778 /* Bridge: NSBoolNumber {{{ */
 779 #ifndef __APPLE__
 780 @implementation NSBoolNumber (Cycript)
 781
 782 - (JSType) cy$JSType {
 783     return kJSTypeBoolean;
 784 }
 785
 786 - (NSObject *) cy$toJSON:(NSString *)key {
 787     return self;
 788 }
 789
 790 - (NSString *) cy$toCYON {
 791     return [self boolValue] ? @"true" : @"false";
 792 }
 793
 794 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 795     return CYCastJSValue(context, (bool) [self boolValue]);
 796 } CYObjectiveCatch }
 797
 798 @end
 799 #endif
 800 /* }}} */
 801 /* Bridge: NSDictionary {{{ */
 802 @implementation NSDictionary (Cycript)
 803
 804 - (NSString *) cy$toCYON {
 805     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 806     [json appendString:@"{"];
 807
 808     bool comma(false);
 809 #ifdef __APPLE__
 810     for (NSObject *key in self) {
 811 #else
 812     NSEnumerator *keys([self keyEnumerator]);
 813     while (NSObject *key = [keys nextObject]) {
 814 #endif
 815         if (comma)
 816             [json appendString:@","];
 817         else
 818             comma = true;
 819         [json appendString:[key cy$toKey]];
 820         [json appendString:@":"];
 821         NSObject *object([self objectForKey:key]);
 822         [json appendString:CYCastNSCYON(object)];
 823     }
 824
 825     [json appendString:@"}"];
 826     return json;
 827 }
 828
 829 - (bool) cy$hasProperty:(NSString *)name {
 830     return [self objectForKey:name] != nil;
 831 }
 832
 833 - (NSObject *) cy$getProperty:(NSString *)name {
 834     return [self objectForKey:name];
 835 }
 836
 837 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 838     [super cy$getPropertyNames:names inContext:context];
 839
 840 #ifdef __APPLE__
 841     for (NSObject *key in self) {
 842 #else
 843     NSEnumerator *keys([self keyEnumerator]);
 844     while (NSObject *key = [keys nextObject]) {
 845 #endif
 846         JSPropertyNameAccumulatorAddName(names, CYJSString(context, key));
 847     }
 848 }
 849
 850 + (bool) cy$hasImplicitProperties {
 851     return false;
 852 }
 853
 854 @end
 855 /* }}} */
 856 /* Bridge: NSMutableArray {{{ */
 857 @implementation NSMutableArray (Cycript)
 858
 859 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 860     if ([name isEqualToString:@"length"]) {
 861         // XXX: is this not intelligent?
 862         NSNumber *number(reinterpret_cast<NSNumber *>(value));
 863 #ifdef __APPLE__
 864         NSUInteger size([number unsignedIntegerValue]);
 865 #else
 866         NSUInteger size([number unsignedIntValue]);
 867 #endif
 868         NSUInteger count([self count]);
 869         if (size < count)
 870             [self removeObjectsInRange:NSMakeRange(size, count - size)];
 871         else if (size != count) {
 872             WebUndefined *undefined([WebUndefined undefined]);
 873             for (size_t i(count); i != size; ++i)
 874                 [self addObject:undefined];
 875         }
 876         return true;
 877     }
 878
 879     size_t index(CYGetIndex(name));
 880     if (index == _not(size_t))
 881         return [super cy$setProperty:name to:value];
 882
 883     id object(value ?: [NSNull null]);
 884
 885     size_t count([self count]);
 886     if (index < count)
 887         [self replaceObjectAtIndex:index withObject:object];
 888     else {
 889         if (index != count) {
 890             WebUndefined *undefined([WebUndefined undefined]);
 891             for (size_t i(count); i != index; ++i)
 892                 [self addObject:undefined];
 893         }
 894
 895         [self addObject:object];
 896     }
 897
 898     return true;
 899 }
 900
 901 - (bool) cy$deleteProperty:(NSString *)name {
 902     size_t index(CYGetIndex(name));
 903     if (index == _not(size_t) || index >= [self count])
 904         return [super cy$deleteProperty:name];
 905     [self replaceObjectAtIndex:index withObject:[WebUndefined undefined]];
 906     return true;
 907 }
 908
 909 @end
 910 /* }}} */
 911 /* Bridge: NSMutableDictionary {{{ */
 912 @implementation NSMutableDictionary (Cycript)
 913
 914 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 915     [self setObject:(value ?: [NSNull null]) forKey:name];
 916     return true;
 917 }
 918
 919 - (bool) cy$deleteProperty:(NSString *)name {
 920     if ([self objectForKey:name] == nil)
 921         return false;
 922     else {
 923         [self removeObjectForKey:name];
 924         return true;
 925     }
 926 }
 927
 928 @end
 929 /* }}} */
 930 /* Bridge: NSNumber {{{ */
 931 @implementation NSNumber (Cycript)
 932
 933 - (JSType) cy$JSType {
 934 #ifdef __APPLE__
 935     // XXX: this just seems stupid
 936     if ([self class] == NSCFBoolean_)
 937         return kJSTypeBoolean;
 938 #endif
 939     return kJSTypeNumber;
 940 }
 941
 942 - (NSObject *) cy$toJSON:(NSString *)key {
 943     return self;
 944 }
 945
 946 - (NSString *) cy$toCYON {
 947     return [self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false";
 948 }
 949
 950 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 951     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
 952 } CYObjectiveCatch }
 953
 954 @end
 955 /* }}} */
 956 /* Bridge: NSNull {{{ */
 957 @implementation NSNull (Cycript)
 958
 959 - (JSType) cy$JSType {
 960     return kJSTypeNull;
 961 }
 962
 963 - (NSObject *) cy$toJSON:(NSString *)key {
 964     return self;
 965 }
 966
 967 - (NSString *) cy$toCYON {
 968     return @"null";
 969 }
 970
 971 @end
 972 /* }}} */
 973 /* Bridge: NSObject {{{ */
 974 @implementation NSObject (Cycript)
 975
 976 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 977     return CYMakeInstance(context, self, false);
 978 } CYObjectiveCatch }
 979
 980 - (JSType) cy$JSType {
 981     return kJSTypeObject;
 982 }
 983
 984 - (NSObject *) cy$toJSON:(NSString *)key {
 985     return [self description];
 986 }
 987
 988 - (NSString *) cy$toCYON {
 989     return [[self cy$toJSON:@""] cy$toCYON];
 990 }
 991
 992 - (NSString *) cy$toKey {
 993     return [self cy$toCYON];
 994 }
 995
 996 - (bool) cy$hasProperty:(NSString *)name {
 997     return false;
 998 }
 999
1000 - (NSObject *) cy$getProperty:(NSString *)name {
1001     return nil;
1002 }
1003
1004 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1005     return false;
1006 }
1007
1008 - (bool) cy$deleteProperty:(NSString *)name {
1009     return false;
1010 }
1011
1012 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
1013 }
1014
1015 + (bool) cy$hasImplicitProperties {
1016     return true;
1017 }
1018
1019 @end
1020 /* }}} */
1021 /* Bridge: NSProxy {{{ */
1022 @implementation NSProxy (Cycript)
1023
1024 - (NSObject *) cy$toJSON:(NSString *)key {
1025     return [self description];
1026 }
1027
1028 - (NSString *) cy$toCYON {
1029     return [[self cy$toJSON:@""] cy$toCYON];
1030 }
1031
1032 @end
1033 /* }}} */
1034 /* Bridge: NSString {{{ */
1035 @implementation NSString (Cycript)
1036
1037 - (JSType) cy$JSType {
1038     return kJSTypeString;
1039 }
1040
1041 - (NSObject *) cy$toJSON:(NSString *)key {
1042     return self;
1043 }
1044
1045 - (NSString *) cy$toCYON {
1046     std::ostringstream str;
1047     CYUTF8String string(CYCastUTF8String(self));
1048     CYStringify(str, string.data, string.size);
1049     std::string value(str.str());
1050     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
1051 }
1052
1053 - (NSString *) cy$toKey {
1054     if (CYIsKey(CYCastUTF8String(self)))
1055         return self;
1056     return [self cy$toCYON];
1057 }
1058
1059 - (bool) cy$hasProperty:(NSString *)name {
1060     if ([name isEqualToString:@"length"])
1061         return true;
1062
1063     size_t index(CYGetIndex(name));
1064     if (index == _not(size_t) || index >= [self length])
1065         return [super cy$hasProperty:name];
1066     else
1067         return true;
1068 }
1069
1070 - (NSObject *) cy$getProperty:(NSString *)name {
1071     if ([name isEqualToString:@"length"]) {
1072         NSUInteger count([self length]);
1073 #ifdef __APPLE__
1074         return [NSNumber numberWithUnsignedInteger:count];
1075 #else
1076         return [NSNumber numberWithUnsignedInt:count];
1077 #endif
1078     }
1079
1080     size_t index(CYGetIndex(name));
1081     if (index == _not(size_t) || index >= [self length])
1082         return [super cy$getProperty:name];
1083     else
1084         return [self substringWithRange:NSMakeRange(index, 1)];
1085 }
1086
1087 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
1088     [super cy$getPropertyNames:names inContext:context];
1089
1090     for (size_t index(0), length([self length]); index != length; ++index) {
1091         char name[32];
1092         sprintf(name, "%zu", index);
1093         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1094     }
1095 }
1096
1097 // XXX: this might be overly restrictive for NSString; I think I need a half-way between /injecting/ implicit properties and /accepting/ implicit properties
1098 + (bool) cy$hasImplicitProperties {
1099     return false;
1100 }
1101
1102 @end
1103 /* }}} */
1104 /* Bridge: WebUndefined {{{ */
1105 @implementation WebUndefined (Cycript)
1106
1107 - (JSType) cy$JSType {
1108     return kJSTypeUndefined;
1109 }
1110
1111 - (NSObject *) cy$toJSON:(NSString *)key {
1112     return self;
1113 }
1114
1115 - (NSString *) cy$toCYON {
1116     return @"undefined";
1117 }
1118
1119 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
1120     return CYJSUndefined(context);
1121 } CYObjectiveCatch }
1122
1123 @end
1124 /* }}} */
1125
1126 static bool CYIsClass(id self) {
1127 #ifdef __APPLE__
1128     // XXX: this is a lame object_isClass
1129     return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
1130 #else
1131     return GSObjCIsClass(self);
1132 #endif
1133 }
1134
1135 Class CYCastClass(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1136     id self(CYCastNSObject(pool, context, value));
1137     if (CYIsClass(self))
1138         return (Class) self;
1139     throw CYJSError(context, "got something that is not a Class");
1140     return NULL;
1141 }
1142
1143 NSArray *CYCastNSArray(JSContextRef context, JSPropertyNameArrayRef names) {
1144     CYPool pool;
1145     size_t size(JSPropertyNameArrayGetCount(names));
1146     NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
1147     for (size_t index(0); index != size; ++index)
1148         [array addObject:CYCastNSString(pool, context, JSPropertyNameArrayGetNameAtIndex(names, index))];
1149     return array;
1150 }
1151
1152 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
1153     if (value == nil)
1154         return CYJSNull(context);
1155     else if ([value respondsToSelector:@selector(cy$JSValueInContext:)])
1156         return [value cy$JSValueInContext:context];
1157     else
1158         return CYMakeInstance(context, value, false);
1159 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1160
1161 @implementation CYJSObject
1162
1163 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1164     if ((self = [super init]) != nil) {
1165         object_ = object;
1166         context_ = CYGetJSContext(context);
1167         //XXX:JSGlobalContextRetain(context_);
1168         JSValueProtect(context_, object_);
1169     } return self;
1170 } CYObjectiveCatch }
1171
1172 - (void) dealloc { CYObjectiveTry {
1173     JSValueUnprotect(context_, object_);
1174     //XXX:JSGlobalContextRelease(context_);
1175     [super dealloc];
1176 } CYObjectiveCatch }
1177
1178 - (NSObject *) cy$toJSON:(NSString *)key { CYObjectiveTry {
1179     JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_s));
1180     if (!CYIsCallable(context_, toJSON))
1181         return [super cy$toJSON:key];
1182     else {
1183         JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
1184         JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
1185         // XXX: do I really want an NSNull here?!
1186         return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1187     }
1188 } CYObjectiveCatch }
1189
1190 - (NSString *) cy$toCYON { CYObjectiveTry {
1191     CYPool pool;
1192     JSValueRef exception(NULL);
1193     const char *cyon(CYPoolCCYON(pool, context_, object_));
1194     CYThrow(context_, exception);
1195     if (cyon == NULL)
1196         return [super cy$toCYON];
1197     else
1198         return [NSString stringWithUTF8String:cyon];
1199 } CYObjectiveCatch }
1200
1201 - (NSUInteger) count { CYObjectiveTry {
1202     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1203     size_t size(JSPropertyNameArrayGetCount(names));
1204     JSPropertyNameArrayRelease(names);
1205     return size;
1206 } CYObjectiveCatch }
1207
1208 - (id) objectForKey:(id)key { CYObjectiveTry {
1209     JSValueRef value(CYGetProperty(context_, object_, CYJSString(context_, (NSObject *) key)));
1210     if (JSValueIsUndefined(context_, value))
1211         return nil;
1212     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1213 } CYObjectiveCatch }
1214
1215 - (NSEnumerator *) keyEnumerator { CYObjectiveTry {
1216     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1217     NSEnumerator *enumerator([CYCastNSArray(context_, names) objectEnumerator]);
1218     JSPropertyNameArrayRelease(names);
1219     return enumerator;
1220 } CYObjectiveCatch }
1221
1222 - (void) setObject:(id)object forKey:(id)key { CYObjectiveTry {
1223     CYSetProperty(context_, object_, CYJSString(context_, (NSObject *) key), CYCastJSValue(context_, (NSString *) object));
1224 } CYObjectiveCatch }
1225
1226 - (void) removeObjectForKey:(id)key { CYObjectiveTry {
1227     JSValueRef exception(NULL);
1228     (void) JSObjectDeleteProperty(context_, object_, CYJSString(context_, (NSObject *) key), &exception);
1229     CYThrow(context_, exception);
1230 } CYObjectiveCatch }
1231
1232 @end
1233
1234 @implementation CYJSArray
1235
1236 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1237     if ((self = [super init]) != nil) {
1238         object_ = object;
1239         context_ = CYGetJSContext(context);
1240         //XXX:JSGlobalContextRetain(context_);
1241         JSValueProtect(context_, object_);
1242     } return self;
1243 } CYObjectiveCatch }
1244
1245 - (void) dealloc { CYObjectiveTry {
1246     JSValueUnprotect(context_, object_);
1247     //XXX:JSGlobalContextRelease(context_);
1248     [super dealloc];
1249 } CYObjectiveCatch }
1250
1251 - (NSUInteger) count { CYObjectiveTry {
1252     return CYCastDouble(context_, CYGetProperty(context_, object_, length_s));
1253 } CYObjectiveCatch }
1254
1255 - (id) objectAtIndex:(NSUInteger)index { CYObjectiveTry {
1256     size_t bounds([self count]);
1257     if (index >= bounds)
1258         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1259     JSValueRef exception(NULL);
1260     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1261     CYThrow(context_, exception);
1262     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1263 } CYObjectiveCatch }
1264
1265 - (void) addObject:(id)object { CYObjectiveTry {
1266     JSValueRef exception(NULL);
1267     JSValueRef arguments[1];
1268     arguments[0] = CYCastJSValue(context_, (NSObject *) object);
1269     JSObjectRef Array(CYGetCachedObject(context_, Array_s));
1270     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, push_s)), object_, 1, arguments, &exception);
1271     CYThrow(context_, exception);
1272 } CYObjectiveCatch }
1273
1274 - (void) insertObject:(id)object atIndex:(NSUInteger)index { CYObjectiveTry {
1275     size_t bounds([self count] + 1);
1276     if (index >= bounds)
1277         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1278     JSValueRef exception(NULL);
1279     JSValueRef arguments[3];
1280     arguments[0] = CYCastJSValue(context_, index);
1281     arguments[1] = CYCastJSValue(context_, 0);
1282     arguments[2] = CYCastJSValue(context_, (NSObject *) object);
1283     JSObjectRef Array(CYGetCachedObject(context_, Array_s));
1284     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, splice_s)), object_, 3, arguments, &exception);
1285     CYThrow(context_, exception);
1286 } CYObjectiveCatch }
1287
1288 - (void) removeLastObject { CYObjectiveTry {
1289     JSValueRef exception(NULL);
1290     JSObjectRef Array(CYGetCachedObject(context_, Array_s));
1291     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, pop_s)), object_, 0, NULL, &exception);
1292     CYThrow(context_, exception);
1293 } CYObjectiveCatch }
1294
1295 - (void) removeObjectAtIndex:(NSUInteger)index { CYObjectiveTry {
1296     size_t bounds([self count]);
1297     if (index >= bounds)
1298         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1299     JSValueRef exception(NULL);
1300     JSValueRef arguments[2];
1301     arguments[0] = CYCastJSValue(context_, index);
1302     arguments[1] = CYCastJSValue(context_, 1);
1303     JSObjectRef Array(CYGetCachedObject(context_, Array_s));
1304     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, splice_s)), object_, 2, arguments, &exception);
1305     CYThrow(context_, exception);
1306 } CYObjectiveCatch }
1307
1308 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object { CYObjectiveTry {
1309     size_t bounds([self count]);
1310     if (index >= bounds)
1311         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1312     CYSetProperty(context_, object_, index, CYCastJSValue(context_, (NSObject *) object));
1313 } CYObjectiveCatch }
1314
1315 @end
1316
1317 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
1318 struct CYInternal :
1319     CYData
1320 {
1321     JSObjectRef object_;
1322
1323     CYInternal() :
1324         object_(NULL)
1325     {
1326     }
1327
1328     ~CYInternal() {
1329         // XXX: delete object_? ;(
1330     }
1331
1332     static CYInternal *Get(id self) {
1333         CYInternal *internal(NULL);
1334         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
1335             // XXX: do something epic? ;P
1336         }
1337
1338         return internal;
1339     }
1340
1341     static CYInternal *Set(id self) {
1342         CYInternal *internal(NULL);
1343         if (objc_ivar *ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
1344             if (internal == NULL) {
1345                 internal = new CYInternal();
1346                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
1347             }
1348         } else {
1349             // XXX: do something epic? ;P
1350         }
1351
1352         return internal;
1353     }
1354
1355     bool HasProperty(JSContextRef context, JSStringRef name) {
1356         if (object_ == NULL)
1357             return false;
1358         return JSObjectHasProperty(context, object_, name);
1359     }
1360
1361     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
1362         if (object_ == NULL)
1363             return NULL;
1364         return CYGetProperty(context, object_, name);
1365     }
1366
1367     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
1368         if (object_ == NULL)
1369             object_ = JSObjectMake(context, NULL, NULL);
1370         CYSetProperty(context, object_, name, value);
1371     }
1372 };
1373
1374 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
1375     Selector_privateData *internal(new Selector_privateData(sel));
1376     return JSObjectMake(context, Selector_, internal);
1377 }
1378
1379 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
1380     if (JSValueIsObjectOfClass(context, value, Selector_)) {
1381         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1382         return reinterpret_cast<SEL>(internal->value_);
1383     } else
1384         return CYCastPointer<SEL>(context, value);
1385 }
1386
1387 void *CYObjectiveC_ExecuteStart(JSContextRef context) { CYSadTry {
1388     return (void *) [[NSAutoreleasePool alloc] init];
1389 } CYSadCatch(NULL) }
1390
1391 void CYObjectiveC_ExecuteEnd(JSContextRef context, void *handle) { CYSadTry {
1392     return [(NSAutoreleasePool *) handle release];
1393 } CYSadCatch() }
1394
1395 JSValueRef CYObjectiveC_RuntimeProperty(JSContextRef context, CYUTF8String name) { CYPoolTry {
1396     if (name == "nil")
1397         return Instance::Make(context, nil);
1398     if (Class _class = objc_getClass(name.data))
1399         return CYMakeInstance(context, _class, true);
1400     if (Protocol *protocol = objc_getProtocol(name.data))
1401         return CYMakeInstance(context, protocol, true);
1402     return NULL;
1403 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1404
1405 static void CYObjectiveC_CallFunction(JSContextRef context, ffi_cif *cif, void (*function)(), uint8_t *value, void **values) { CYSadTry {
1406     ffi_call(cif, function, value, values);
1407 } CYSadCatch() }
1408
1409 static bool CYObjectiveC_PoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYSadTry {
1410     switch (type->primitive) {
1411         // XXX: do something epic about blocks
1412         case sig::block_P:
1413         case sig::object_P:
1414         case sig::typename_P:
1415             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
1416         break;
1417
1418         case sig::selector_P:
1419             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
1420         break;
1421
1422         default:
1423             return false;
1424     }
1425
1426     return true;
1427 } CYSadCatch(false) }
1428
1429 static JSValueRef CYObjectiveC_FromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) { CYPoolTry {
1430     switch (type->primitive) {
1431         // XXX: do something epic about blocks
1432         case sig::block_P:
1433         case sig::object_P:
1434             if (NSObject *object = *reinterpret_cast<NSObject **>(data)) {
1435                 JSValueRef value(CYCastJSValue(context, object));
1436                 if (initialize)
1437                     [object release];
1438                 return value;
1439             } else goto null;
1440
1441         case sig::typename_P:
1442             return CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
1443
1444         case sig::selector_P:
1445             if (SEL sel = *reinterpret_cast<SEL *>(data))
1446                 return CYMakeSelector(context, sel);
1447             else goto null;
1448
1449         null:
1450             return CYJSNull(context);
1451         default:
1452             return NULL;
1453     }
1454 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1455
1456 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
1457     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
1458         if (!devoid)
1459             return true;
1460 #if OBJC_API_VERSION >= 2
1461         char type[16];
1462         method_getReturnType(method, type, sizeof(type));
1463 #else
1464         const char *type(method_getTypeEncoding(method));
1465 #endif
1466         if (type[0] != 'v')
1467             return true;
1468     }
1469
1470     // XXX: possibly use a more "awesome" check?
1471     return false;
1472 }
1473
1474 static const char *CYPoolTypeEncoding(apr_pool_t *pool, JSContextRef context, SEL sel, objc_method *method) {
1475     if (method != NULL)
1476         return method_getTypeEncoding(method);
1477
1478     const char *name(sel_getName(sel));
1479     size_t length(strlen(name));
1480
1481     char keyed[length + 2];
1482     keyed[0] = '6';
1483     keyed[length + 1] = '\0';
1484     memcpy(keyed + 1, name, length);
1485
1486     if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1))
1487         return entry->value_;
1488
1489     return NULL;
1490 }
1491
1492 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
1493     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
1494
1495     JSContextRef context(internal->context_);
1496
1497     size_t count(internal->cif_.nargs);
1498     JSValueRef values[count];
1499
1500     for (size_t index(0); index != count; ++index)
1501         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
1502
1503     JSObjectRef _this(CYCastJSObject(context, values[0]));
1504
1505     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
1506     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
1507 }
1508
1509 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
1510     Message_privateData *internal(new Message_privateData(sel, type, imp));
1511     return JSObjectMake(context, Message_, internal);
1512 }
1513
1514 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
1515     JSObjectRef function(CYCastJSObject(context, value));
1516     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
1517     // XXX: see notes in Library.cpp about needing to leak
1518     return reinterpret_cast<IMP>(internal->GetValue());
1519 }
1520
1521 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1522     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1523     Class _class(internal->GetValue());
1524
1525     CYPool pool;
1526     const char *name(CYPoolCString(pool, context, property));
1527
1528     if (SEL sel = sel_getUid(name))
1529         if (class_getInstanceMethod(_class, sel) != NULL)
1530             return true;
1531
1532     return false;
1533 }
1534
1535 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1536     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1537     Class _class(internal->GetValue());
1538
1539     CYPool pool;
1540     const char *name(CYPoolCString(pool, context, property));
1541
1542     if (SEL sel = sel_getUid(name))
1543         if (objc_method *method = class_getInstanceMethod(_class, sel))
1544             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
1545
1546     return NULL;
1547 }
1548
1549 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
1550     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1551     Class _class(internal->GetValue());
1552
1553     CYPool pool;
1554     const char *name(CYPoolCString(pool, context, property));
1555
1556     SEL sel(sel_registerName(name));
1557
1558     objc_method *method(class_getInstanceMethod(_class, sel));
1559
1560     const char *type;
1561     IMP imp;
1562
1563     if (JSValueIsObjectOfClass(context, value, Message_)) {
1564         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1565         type = sig::Unparse(pool, &message->signature_);
1566         imp = reinterpret_cast<IMP>(message->GetValue());
1567     } else {
1568         type = CYPoolTypeEncoding(pool, context, sel, method);
1569         imp = CYMakeMessage(context, value, type);
1570     }
1571
1572     if (method != NULL)
1573         method_setImplementation(method, imp);
1574     else {
1575 #ifdef GNU_RUNTIME
1576         GSMethodList list(GSAllocMethodList(1));
1577         GSAppendMethodToList(list, sel, type, imp, YES);
1578         GSAddMethodList(_class, list, YES);
1579         GSFlushMethodCacheForClass(_class);
1580 #else
1581         class_addMethod(_class, sel, imp, type);
1582 #endif
1583     }
1584
1585     return true;
1586 }
1587
1588 #if 0 && OBJC_API_VERSION < 2
1589 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1590     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1591     Class _class(internal->GetValue());
1592
1593     CYPool pool;
1594     const char *name(CYPoolCString(pool, context, property));
1595
1596     if (SEL sel = sel_getUid(name))
1597         if (objc_method *method = class_getInstanceMethod(_class, sel)) {
1598             objc_method_list list = {NULL, 1, {method}};
1599             class_removeMethods(_class, &list);
1600             return true;
1601         }
1602
1603     return false;
1604 }
1605 #endif
1606
1607 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1608     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1609     Class _class(internal->GetValue());
1610
1611 #if OBJC_API_VERSION >= 2
1612     unsigned int size;
1613     objc_method **data(class_copyMethodList(_class, &size));
1614     for (size_t i(0); i != size; ++i)
1615         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
1616     free(data);
1617 #else
1618     for (objc_method_list *methods(_class->methods); methods != NULL; methods = methods->method_next)
1619         for (int i(0); i != methods->method_count; ++i)
1620             JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(&methods->method_list[i]))));
1621 #endif
1622 }
1623
1624 static bool CYHasImplicitProperties(Class _class) {
1625     // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1626     if (!CYImplements(_class, object_getClass(_class), @selector(cy$hasImplicitProperties), false))
1627         return true;
1628     return [_class cy$hasImplicitProperties];
1629 }
1630
1631 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1632     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1633     id self(internal->GetValue());
1634
1635     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1636         return true;
1637
1638     CYPool pool;
1639     NSString *name(CYCastNSString(pool, context, property));
1640
1641     if (CYInternal *internal = CYInternal::Get(self))
1642         if (internal->HasProperty(context, property))
1643             return true;
1644
1645     Class _class(object_getClass(self));
1646
1647     CYPoolTry {
1648         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1649         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
1650             if ([self cy$hasProperty:name])
1651                 return true;
1652     } CYPoolCatch(false)
1653
1654     const char *string(CYPoolCString(pool, context, name));
1655
1656 #ifdef __APPLE__
1657     if (class_getProperty(_class, string) != NULL)
1658         return true;
1659 #endif
1660
1661     if (CYHasImplicitProperties(_class))
1662         if (SEL sel = sel_getUid(string))
1663             if (CYImplements(self, _class, sel, true))
1664                 return true;
1665
1666     return false;
1667 }
1668
1669 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1670     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1671     id self(internal->GetValue());
1672
1673     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1674         return Internal::Make(context, self, object);
1675
1676     CYPool pool;
1677     NSString *name(CYCastNSString(pool, context, property));
1678
1679     if (CYInternal *internal = CYInternal::Get(self))
1680         if (JSValueRef value = internal->GetProperty(context, property))
1681             return value;
1682
1683     CYPoolTry {
1684         if (NSObject *data = [self cy$getProperty:name])
1685             return CYCastJSValue(context, data);
1686     } CYPoolCatch(NULL)
1687
1688     const char *string(CYPoolCString(pool, context, name));
1689     Class _class(object_getClass(self));
1690
1691 #ifdef __APPLE__
1692     if (objc_property_t property = class_getProperty(_class, string)) {
1693         PropertyAttributes attributes(property);
1694         SEL sel(sel_registerName(attributes.Getter()));
1695         return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1696     }
1697 #endif
1698
1699     if (CYHasImplicitProperties(_class))
1700         if (SEL sel = sel_getUid(string))
1701             if (CYImplements(self, _class, sel, true))
1702                 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1703
1704     return NULL;
1705 } CYCatch }
1706
1707 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1708     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1709     id self(internal->GetValue());
1710
1711     CYPool pool;
1712
1713     NSString *name(CYCastNSString(pool, context, property));
1714     NSObject *data(CYCastNSObject(pool, context, value));
1715
1716     CYPoolTry {
1717         if ([self cy$setProperty:name to:data])
1718             return true;
1719     } CYPoolCatch(NULL)
1720
1721     const char *string(CYPoolCString(pool, context, name));
1722     Class _class(object_getClass(self));
1723
1724 #ifdef __APPLE__
1725     if (objc_property_t property = class_getProperty(_class, string)) {
1726         PropertyAttributes attributes(property);
1727         if (const char *setter = attributes.Setter()) {
1728             SEL sel(sel_registerName(setter));
1729             JSValueRef arguments[1] = {value};
1730             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1731             return true;
1732         }
1733     }
1734 #endif
1735
1736     size_t length(strlen(string));
1737
1738     char set[length + 5];
1739
1740     set[0] = 's';
1741     set[1] = 'e';
1742     set[2] = 't';
1743
1744     if (string[0] != '\0') {
1745         set[3] = toupper(string[0]);
1746         memcpy(set + 4, string + 1, length - 1);
1747     }
1748
1749     set[length + 3] = ':';
1750     set[length + 4] = '\0';
1751
1752     if (SEL sel = sel_getUid(set))
1753         if (CYImplements(self, _class, sel, false)) {
1754             JSValueRef arguments[1] = {value};
1755             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1756         }
1757
1758     if (CYInternal *internal = CYInternal::Set(self)) {
1759         internal->SetProperty(context, property, value);
1760         return true;
1761     }
1762
1763     return false;
1764 } CYCatch }
1765
1766 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1767     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1768     id self(internal->GetValue());
1769
1770     CYPoolTry {
1771         NSString *name(CYCastNSString(NULL, context, property));
1772         return [self cy$deleteProperty:name];
1773     } CYPoolCatch(NULL)
1774 } CYCatch return /*XXX*/ NULL; }
1775
1776 static void Instance_getPropertyNames_message(JSPropertyNameAccumulatorRef names, objc_method *method) {
1777     const char *name(sel_getName(method_getName(method)));
1778     if (strchr(name, ':') != NULL)
1779         return;
1780
1781     const char *type(method_getTypeEncoding(method));
1782     if (type == NULL || *type == '\0' || *type == 'v')
1783         return;
1784
1785     JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1786 }
1787
1788 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1789     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1790     id self(internal->GetValue());
1791
1792     CYPool pool;
1793     Class _class(object_getClass(self));
1794
1795 #ifdef __APPLE__
1796     {
1797         unsigned int size;
1798         objc_property_t *data(class_copyPropertyList(_class, &size));
1799         for (size_t i(0); i != size; ++i)
1800             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
1801         free(data);
1802     }
1803 #endif
1804
1805     if (CYHasImplicitProperties(_class))
1806         for (Class current(_class); current != nil; current = class_getSuperclass(current)) {
1807 #if OBJC_API_VERSION >= 2
1808             unsigned int size;
1809             objc_method **data(class_copyMethodList(current, &size));
1810             for (size_t i(0); i != size; ++i)
1811                 Instance_getPropertyNames_message(names, data[i]);
1812             free(data);
1813 #else
1814             for (objc_method_list *methods(current->methods); methods != NULL; methods = methods->method_next)
1815                 for (int i(0); i != methods->method_count; ++i)
1816                     Instance_getPropertyNames_message(names, &methods->method_list[i]);
1817 #endif
1818         }
1819
1820     CYPoolTry {
1821         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1822         if (CYImplements(self, _class, @selector(cy$getPropertyNames:inContext:), false))
1823             [self cy$getPropertyNames:names inContext:context];
1824     } CYPoolCatch()
1825 }
1826
1827 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1828     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1829     JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
1830     return value;
1831 } CYCatch }
1832
1833 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) { CYTry {
1834     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
1835     Class _class(internal->GetValue());
1836     if (!CYIsClass(_class))
1837         return false;
1838
1839     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
1840         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
1841         // XXX: this isn't always safe
1842         return [linternal->GetValue() isKindOfClass:_class];
1843     }
1844
1845     return false;
1846 } CYCatch }
1847
1848 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1849     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1850     CYPool pool;
1851
1852     id self(internal->GetValue());
1853     const char *name(CYPoolCString(pool, context, property));
1854
1855     if (object_getInstanceVariable(self, name, NULL) != NULL)
1856         return true;
1857
1858     return false;
1859 }
1860
1861 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1862     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1863     CYPool pool;
1864
1865     id self(internal->GetValue());
1866     const char *name(CYPoolCString(pool, context, property));
1867
1868     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1869         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1870         // XXX: if this fails and throws an exception the person we are throwing it to gets the wrong exception
1871         return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
1872     }
1873
1874     return NULL;
1875 } CYCatch }
1876
1877 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1878     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1879     CYPool pool;
1880
1881     id self(internal->GetValue());
1882     const char *name(CYPoolCString(pool, context, property));
1883
1884     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1885         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1886         CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
1887         return true;
1888     }
1889
1890     return false;
1891 } CYCatch }
1892
1893 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
1894     if (Class super = class_getSuperclass(_class))
1895         Internal_getPropertyNames_(super, names);
1896
1897 #if OBJC_API_VERSION >= 2
1898     unsigned int size;
1899     objc_ivar **data(class_copyIvarList(_class, &size));
1900     for (size_t i(0); i != size; ++i)
1901         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
1902     free(data);
1903 #else
1904     if (objc_ivar_list *ivars = _class->ivars)
1905         for (int i(0); i != ivars->ivar_count; ++i)
1906             JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(&ivars->ivar_list[i])));
1907 #endif
1908 }
1909
1910 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1911     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1912     CYPool pool;
1913
1914     id self(internal->GetValue());
1915     Class _class(object_getClass(self));
1916
1917     Internal_getPropertyNames_(_class, names);
1918 }
1919
1920 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1921     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1922     return internal->GetOwner();
1923 }
1924
1925 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1926     CYPool pool;
1927     NSString *name(CYCastNSString(pool, context, property));
1928     if (Class _class = NSClassFromString(name))
1929         return CYMakeInstance(context, _class, true);
1930     return NULL;
1931 } CYCatch }
1932
1933 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1934 #ifdef __APPLE__
1935     size_t size(objc_getClassList(NULL, 0));
1936     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
1937
1938   get:
1939     size_t writ(objc_getClassList(data, size));
1940     if (size < writ) {
1941         size = writ;
1942         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
1943             data = copy;
1944             goto get;
1945         } else goto done;
1946     }
1947
1948     for (size_t i(0); i != writ; ++i)
1949         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
1950
1951   done:
1952     free(data);
1953 #else
1954     void *state(NULL);
1955     while (Class _class = objc_next_class(&state))
1956         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(_class)));
1957 #endif
1958 }
1959
1960 #if OBJC_API_VERSION >= 2
1961 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1962     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1963
1964     CYPool pool;
1965     const char *name(CYPoolCString(pool, context, property));
1966     unsigned int size;
1967     const char **data(objc_copyClassNamesForImage(internal, &size));
1968     JSValueRef value;
1969     for (size_t i(0); i != size; ++i)
1970         if (strcmp(name, data[i]) == 0) {
1971             if (Class _class = objc_getClass(name)) {
1972                 value = CYMakeInstance(context, _class, true);
1973                 goto free;
1974             } else
1975                 break;
1976         }
1977     value = NULL;
1978   free:
1979     free(data);
1980     return value;
1981 } CYCatch }
1982
1983 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1984     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1985     unsigned int size;
1986     const char **data(objc_copyClassNamesForImage(internal, &size));
1987     for (size_t i(0); i != size; ++i)
1988         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1989     free(data);
1990 }
1991
1992 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1993     CYPool pool;
1994     const char *name(CYPoolCString(pool, context, property));
1995     unsigned int size;
1996     const char **data(objc_copyImageNames(&size));
1997     for (size_t i(0); i != size; ++i)
1998         if (strcmp(name, data[i]) == 0) {
1999             name = data[i];
2000             goto free;
2001         }
2002     name = NULL;
2003   free:
2004     free(data);
2005     if (name == NULL)
2006         return NULL;
2007     JSObjectRef value(JSObjectMake(context, NULL, NULL));
2008     CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
2009     return value;
2010 } CYCatch }
2011
2012 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2013     unsigned int size;
2014     const char **data(objc_copyImageNames(&size));
2015     for (size_t i(0); i != size; ++i)
2016         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
2017     free(data);
2018 }
2019 #endif
2020
2021 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2022     CYPool pool;
2023     const char *name(CYPoolCString(pool, context, property));
2024     if (Protocol *protocol = objc_getProtocol(name))
2025         return CYMakeInstance(context, protocol, true);
2026     return NULL;
2027 } CYCatch }
2028
2029 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2030 #if OBJC_API_VERSION >= 2
2031     unsigned int size;
2032     Protocol **data(objc_copyProtocolList(&size));
2033     for (size_t i(0); i != size; ++i)
2034         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
2035     free(data);
2036 #else
2037     // XXX: fix this!
2038 #endif
2039 }
2040
2041 #ifdef __APPLE__
2042 static bool stret(ffi_type *ffi_type) {
2043     return ffi_type->type == FFI_TYPE_STRUCT && (
2044         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
2045         struct_forward_array[ffi_type->size] != 0
2046     );
2047 }
2048 #endif
2049
2050 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 {
2051     const char *type;
2052
2053     if (_class == NULL)
2054         _class = object_getClass(self);
2055
2056     IMP imp;
2057
2058     if (objc_method *method = class_getInstanceMethod(_class, _cmd)) {
2059         imp = method_getImplementation(method);
2060         type = method_getTypeEncoding(method);
2061     } else {
2062         imp = NULL;
2063
2064         CYPoolTry {
2065             NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
2066             if (method == nil)
2067                 throw CYJSError(context, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
2068             type = CYPoolCString(pool, context, [method _typeString]);
2069         } CYPoolCatch(NULL)
2070     }
2071
2072     void *setup[2];
2073     setup[0] = &self;
2074     setup[1] = &_cmd;
2075
2076     sig::Signature signature;
2077     sig::Parse(pool, &signature, type, &Structor_);
2078
2079     ffi_cif cif;
2080     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
2081
2082     if (imp == NULL) {
2083 #ifdef __APPLE__
2084         if (stret(cif.rtype))
2085             imp = class_getMethodImplementation_stret(_class, _cmd);
2086         else
2087             imp = class_getMethodImplementation(_class, _cmd);
2088 #else
2089         objc_super super = {self, _class};
2090         imp = objc_msg_lookup_super(&super, _cmd);
2091 #endif
2092     }
2093
2094     void (*function)() = reinterpret_cast<void (*)()>(imp);
2095     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
2096 } CYCatch }
2097
2098 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2099     if (count < 2)
2100         throw CYJSError(context, "too few arguments to objc_msgSend");
2101
2102     CYPool pool;
2103
2104     bool uninitialized;
2105
2106     id self;
2107     SEL _cmd;
2108     Class _class;
2109
2110     if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
2111         cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2112         self = internal->GetValue();
2113         _class = internal->class_;;
2114         uninitialized = false;
2115     } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
2116         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2117         self = internal->GetValue();
2118         _class = nil;
2119         uninitialized = internal->IsUninitialized();
2120         if (uninitialized)
2121             internal->value_ = nil;
2122     } else {
2123         self = CYCastNSObject(pool, context, arguments[0]);
2124         _class = nil;
2125         uninitialized = false;
2126     }
2127
2128     if (self == nil)
2129         return CYJSNull(context);
2130
2131     _cmd = CYCastSEL(context, arguments[1]);
2132
2133     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
2134 } CYCatch }
2135
2136 /* Hook: objc_registerClassPair {{{ */
2137 #if defined(__APPLE__) && defined(__arm__)
2138 // XXX: replace this with associated objects
2139
2140 MSHook(void, CYDealloc, id self, SEL sel) {
2141     CYInternal *internal;
2142     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
2143     if (internal != NULL)
2144         delete internal;
2145     _CYDealloc(self, sel);
2146 }
2147
2148 MSHook(void, objc_registerClassPair, Class _class) {
2149     Class super(class_getSuperclass(_class));
2150     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
2151         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
2152         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
2153     }
2154
2155     _objc_registerClassPair(_class);
2156 }
2157
2158 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2159     if (count != 1)
2160         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2161     CYPool pool;
2162     NSObject *value(CYCastNSObject(pool, context, arguments[0]));
2163     if (value == NULL || !CYIsClass(value))
2164         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2165     Class _class((Class) value);
2166     $objc_registerClassPair(_class);
2167     return CYJSUndefined(context);
2168 } CYCatch }
2169 #endif
2170 /* }}} */
2171
2172 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2173     JSValueRef setup[count + 2];
2174     setup[0] = _this;
2175     setup[1] = object;
2176     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
2177     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
2178 }
2179
2180 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2181     CYPool pool;
2182     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
2183
2184     // XXX: handle Instance::Uninitialized?
2185     id self(CYCastNSObject(pool, context, _this));
2186
2187     void *setup[2];
2188     setup[0] = &self;
2189     setup[1] = &internal->sel_;
2190
2191     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
2192 }
2193
2194 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2195     if (count != 2)
2196         throw CYJSError(context, "incorrect number of arguments to Super constructor");
2197     CYPool pool;
2198     id self(CYCastNSObject(pool, context, arguments[0]));
2199     Class _class(CYCastClass(pool, context, arguments[1]));
2200     return cy::Super::Make(context, self, _class);
2201 } CYCatch }
2202
2203 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2204     if (count != 1)
2205         throw CYJSError(context, "incorrect number of arguments to Selector constructor");
2206     CYPool pool;
2207     const char *name(CYPoolCString(pool, context, arguments[0]));
2208     return CYMakeSelector(context, sel_registerName(name));
2209 } CYCatch }
2210
2211 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2212     if (count > 1)
2213         throw CYJSError(context, "incorrect number of arguments to Instance constructor");
2214     id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
2215     return CYMakeInstance(context, self, false);
2216 } CYCatch }
2217
2218 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2219     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
2220     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
2221 }
2222
2223 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2224     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
2225     Type_privateData *typical(internal->GetType());
2226
2227     sig::Type *type;
2228     ffi_type *ffi;
2229
2230     if (typical == NULL) {
2231         type = NULL;
2232         ffi = NULL;
2233     } else {
2234         type = typical->type_;
2235         ffi = typical->ffi_;
2236     }
2237
2238     return CYMakePointer(context, &internal->value_, _not(size_t), type, ffi, object);
2239 }
2240
2241 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2242     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2243     return Instance::Make(context, (id) object_getClass(internal->GetValue()));
2244 }
2245
2246 static JSValueRef Instance_getProperty_protocol(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2247     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2248     id self(internal->GetValue());
2249     if (!CYIsClass(self))
2250         return CYJSUndefined(context);
2251     return CYGetClassPrototype(context, self);
2252 } CYCatch }
2253
2254 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2255     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2256     id self(internal->GetValue());
2257     if (!CYIsClass(self))
2258         return CYJSUndefined(context);
2259     return Messages::Make(context, (Class) self);
2260 }
2261
2262 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2263     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2264         return NULL;
2265
2266     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2267     return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue())));
2268 } CYCatch }
2269
2270 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2271     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2272         return NULL;
2273
2274     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2275
2276     CYPoolTry {
2277         NSString *key;
2278         if (count == 0)
2279             key = nil;
2280         else
2281             key = CYCastNSString(NULL, context, CYJSString(context, arguments[0]));
2282         // XXX: check for support of cy$toJSON?
2283         return CYCastJSValue(context, CYJSString(context, [internal->GetValue() cy$toJSON:key]));
2284     } CYPoolCatch(NULL)
2285 } CYCatch return /*XXX*/ NULL; }
2286
2287 #if 0
2288 static JSValueRef Instance_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2289     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2290         return NULL;
2291
2292     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2293     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->GetValue()));
2294 } CYCatch return /*XXX*/ NULL; }
2295 #endif
2296
2297 static JSValueRef Instance_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2298     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2299         return NULL;
2300
2301     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2302     // XXX: but... but... THIS ISN'T A POINTER! :(
2303     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->GetValue()));
2304 } CYCatch return /*XXX*/ NULL; }
2305
2306 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2307     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2308         return NULL;
2309
2310     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2311
2312     id value(internal->GetValue());
2313     if (value == nil)
2314         return CYCastJSValue(context, "nil");
2315
2316     CYPoolTry {
2317         // XXX: this seems like a stupid implementation; what if it crashes? why not use the CYONifier backend?
2318         return CYCastJSValue(context, CYJSString(context, [internal->GetValue() description]));
2319     } CYPoolCatch(NULL)
2320 } CYCatch return /*XXX*/ NULL; }
2321
2322 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2323     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2324     return CYCastJSValue(context, sel_getName(internal->GetValue()));
2325 } CYCatch }
2326
2327 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2328     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
2329 }
2330
2331 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2332     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2333     const char *name(sel_getName(internal->GetValue()));
2334
2335     CYPoolTry {
2336         NSString *string([NSString stringWithFormat:@"@selector(%s)", name]);
2337         return CYCastJSValue(context, CYJSString(context, string));
2338     } CYPoolCatch(NULL)
2339 } CYCatch return /*XXX*/ NULL; }
2340
2341 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2342     if (count != 1)
2343         throw CYJSError(context, "incorrect number of arguments to Selector.type");
2344
2345     CYPool pool;
2346     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2347     SEL sel(internal->GetValue());
2348
2349     objc_method *method;
2350     if (Class _class = CYCastClass(pool, context, arguments[0]))
2351         method = class_getInstanceMethod(_class, sel);
2352     else
2353         method = NULL;
2354
2355     if (const char *type = CYPoolTypeEncoding(pool, context, sel, method))
2356         return CYCastJSValue(context, CYJSString(type));
2357
2358     return CYJSNull(context);
2359 } CYCatch }
2360
2361 static JSStaticValue Selector_staticValues[2] = {
2362     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
2363     {NULL, NULL, NULL, 0}
2364 };
2365
2366 static JSStaticValue Instance_staticValues[5] = {
2367     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2368     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2369     {"prototype", &Instance_getProperty_protocol, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2370     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2371     {NULL, NULL, NULL, 0}
2372 };
2373
2374 static JSStaticFunction Instance_staticFunctions[6] = {
2375     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2376     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2377     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2378     //{"valueOf", &Instance_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2379     {"toPointer", &Instance_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2380     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2381     {NULL, NULL, 0}
2382 };
2383
2384 static JSStaticFunction Internal_staticFunctions[2] = {
2385     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2386     {NULL, NULL, 0}
2387 };
2388
2389 static JSStaticFunction Selector_staticFunctions[5] = {
2390     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2391     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2392     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2393     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2394     {NULL, NULL, 0}
2395 };
2396
2397 static JSStaticFunction StringInstance_staticFunctions[2] = {
2398     //{"valueOf", &Instance_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2399     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2400     {NULL, NULL, 0}
2401 };
2402
2403 void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
2404     apr_pool_t *pool(CYGetGlobalPool());
2405
2406     Object_type = new(pool) Type_privateData("@");
2407     Selector_type = new(pool) Type_privateData(":");
2408
2409 #ifdef __APPLE__
2410     NSCFBoolean_ = objc_getClass("NSCFBoolean");
2411     NSCFType_ = objc_getClass("NSCFType");
2412     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
2413     NSZombie_ = objc_getClass("_NSZombie_");
2414 #else
2415     NSBoolNumber_ = objc_getClass("NSBoolNumber");
2416 #endif
2417
2418     NSArray_ = objc_getClass("NSArray");
2419     NSDictionary_ = objc_getClass("NSDictionary");
2420     NSString_ = objc_getClass("NSString");
2421     Object_ = objc_getClass("Object");
2422
2423     JSClassDefinition definition;
2424
2425     definition = kJSClassDefinitionEmpty;
2426     definition.className = "Instance";
2427     definition.staticValues = Instance_staticValues;
2428     definition.staticFunctions = Instance_staticFunctions;
2429     definition.hasProperty = &Instance_hasProperty;
2430     definition.getProperty = &Instance_getProperty;
2431     definition.setProperty = &Instance_setProperty;
2432     definition.deleteProperty = &Instance_deleteProperty;
2433     definition.getPropertyNames = &Instance_getPropertyNames;
2434     definition.callAsConstructor = &Instance_callAsConstructor;
2435     definition.hasInstance = &Instance_hasInstance;
2436     definition.finalize = &CYFinalize;
2437     Instance_ = JSClassCreate(&definition);
2438
2439     definition = kJSClassDefinitionEmpty;
2440     definition.className = "Internal";
2441     definition.staticFunctions = Internal_staticFunctions;
2442     definition.hasProperty = &Internal_hasProperty;
2443     definition.getProperty = &Internal_getProperty;
2444     definition.setProperty = &Internal_setProperty;
2445     definition.getPropertyNames = &Internal_getPropertyNames;
2446     definition.finalize = &CYFinalize;
2447     Internal_ = JSClassCreate(&definition);
2448
2449     definition = kJSClassDefinitionEmpty;
2450     definition.className = "Message";
2451     definition.staticFunctions = cy::Functor::StaticFunctions;
2452     definition.callAsFunction = &Message_callAsFunction;
2453     definition.finalize = &CYFinalize;
2454     Message_ = JSClassCreate(&definition);
2455
2456     definition = kJSClassDefinitionEmpty;
2457     definition.className = "Messages";
2458     definition.hasProperty = &Messages_hasProperty;
2459     definition.getProperty = &Messages_getProperty;
2460     definition.setProperty = &Messages_setProperty;
2461 #if 0 && OBJC_API_VERSION < 2
2462     definition.deleteProperty = &Messages_deleteProperty;
2463 #endif
2464     definition.getPropertyNames = &Messages_getPropertyNames;
2465     definition.finalize = &CYFinalize;
2466     Messages_ = JSClassCreate(&definition);
2467
2468     definition = kJSClassDefinitionEmpty;
2469     definition.className = "Selector";
2470     definition.staticValues = Selector_staticValues;
2471     definition.staticFunctions = Selector_staticFunctions;
2472     definition.callAsFunction = &Selector_callAsFunction;
2473     definition.finalize = &CYFinalize;
2474     Selector_ = JSClassCreate(&definition);
2475
2476     definition = kJSClassDefinitionEmpty;
2477     definition.className = "StringInstance";
2478     definition.staticFunctions = StringInstance_staticFunctions;
2479     StringInstance_ = JSClassCreate(&definition);
2480
2481     definition = kJSClassDefinitionEmpty;
2482     definition.className = "Super";
2483     definition.staticFunctions = Internal_staticFunctions;
2484     definition.finalize = &CYFinalize;
2485     Super_ = JSClassCreate(&definition);
2486
2487     definition = kJSClassDefinitionEmpty;
2488     definition.className = "ObjectiveC::Classes";
2489     definition.getProperty = &ObjectiveC_Classes_getProperty;
2490     definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
2491     ObjectiveC_Classes_ = JSClassCreate(&definition);
2492
2493 #if OBJC_API_VERSION >= 2
2494     definition = kJSClassDefinitionEmpty;
2495     definition.className = "ObjectiveC::Images";
2496     definition.getProperty = &ObjectiveC_Images_getProperty;
2497     definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
2498     ObjectiveC_Images_ = JSClassCreate(&definition);
2499
2500     definition = kJSClassDefinitionEmpty;
2501     definition.className = "ObjectiveC::Image::Classes";
2502     definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
2503     definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
2504     ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
2505 #endif
2506
2507     definition = kJSClassDefinitionEmpty;
2508     definition.className = "ObjectiveC::Protocols";
2509     definition.getProperty = &ObjectiveC_Protocols_getProperty;
2510     definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
2511     ObjectiveC_Protocols_ = JSClassCreate(&definition);
2512
2513 #if defined(__APPLE__) && defined(__arm__)
2514     MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
2515 #endif
2516
2517 #ifdef __APPLE__
2518     class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
2519 #endif
2520 } CYPoolCatch() }
2521
2522 void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry {
2523     JSObjectRef global(CYGetGlobalObject(context));
2524     JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
2525     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
2526     JSObjectRef all(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("all"))));
2527
2528     JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
2529     CYSetProperty(context, cycript, CYJSString("ObjectiveC"), ObjectiveC);
2530
2531     CYSetProperty(context, ObjectiveC, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
2532     CYSetProperty(context, ObjectiveC, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
2533
2534 #if OBJC_API_VERSION >= 2
2535     CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
2536 #endif
2537
2538     JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
2539     JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
2540     JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
2541     JSObjectRef StringInstance(JSObjectMakeConstructor(context, StringInstance_, NULL));
2542     JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
2543
2544     JSObjectRef Instance_prototype(CYCastJSObject(context, CYGetProperty(context, Instance, prototype_s)));
2545     CYSetProperty(context, cy, CYJSString("Instance_prototype"), Instance_prototype);
2546
2547     JSObjectRef StringInstance_prototype(CYCastJSObject(context, CYGetProperty(context, StringInstance, prototype_s)));
2548     CYSetProperty(context, cy, CYJSString("StringInstance_prototype"), StringInstance_prototype);
2549
2550     JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("String_prototype")));
2551     JSObjectSetPrototype(context, StringInstance_prototype, String_prototype);
2552
2553     CYSetProperty(context, cycript, CYJSString("Instance"), Instance);
2554     CYSetProperty(context, cycript, CYJSString("Selector"), Selector);
2555     CYSetProperty(context, cycript, CYJSString("Super"), Super);
2556
2557 #if defined(__APPLE__) && defined(__arm__)
2558     CYSetProperty(context, all, CYJSString("objc_registerClassPair"), &objc_registerClassPair_, kJSPropertyAttributeDontEnum);
2559 #endif
2560
2561     CYSetProperty(context, all, CYJSString("objc_msgSend"), &$objc_msgSend, kJSPropertyAttributeDontEnum);
2562
2563     JSObjectRef Function_prototype(CYGetCachedObject(context, CYJSString("Function_prototype")));
2564     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype);
2565     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype);
2566 } CYPoolCatch() }
2567
2568 static CYHooks CYObjectiveCHooks = {
2569     &CYObjectiveC_ExecuteStart,
2570     &CYObjectiveC_ExecuteEnd,
2571     &CYObjectiveC_RuntimeProperty,
2572     &CYObjectiveC_CallFunction,
2573     &CYObjectiveC_Initialize,
2574     &CYObjectiveC_SetupContext,
2575     &CYObjectiveC_PoolFFI,
2576     &CYObjectiveC_FromFFI,
2577 };
2578
2579 struct CYObjectiveC {
2580     CYObjectiveC() {
2581         hooks_ = &CYObjectiveCHooks;
2582         // XXX: evil magic juju to make this actually take effect on a Mac when compiled with autoconf/libtool doom!
2583         _assert(hooks_ != NULL);
2584     }
2585 } CYObjectiveC;