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