ObjectiveC/Library.mm

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2010  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Lesser General Public License, Version 3 {{{ */
   6 /*
   7  * Cycript is free software: you can redistribute it and/or modify it under
   8  * the terms of the GNU Lesser General Public License as published by the
   9  * Free Software Foundation, either version 3 of the License, or (at your
  10  * option) any later version.
  11  *
  12  * Cycript is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15  * License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public License
  18  * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #ifdef __APPLE__
  23 #include "Struct.hpp"
  24 #endif
  25
  26 #include <Foundation/Foundation.h>
  27
  28 #include "ObjectiveC/Internal.hpp"
  29
  30 #include <objc/objc-api.h>
  31
  32 #include "cycript.hpp"
  33
  34 #include "ObjectiveC/Internal.hpp"
  35
  36 #ifdef __APPLE__
  37 #include <CoreFoundation/CoreFoundation.h>
  38 #include <JavaScriptCore/JSStringRefCF.h>
  39 #include <WebKit/WebScriptObject.h>
  40 #include <objc/runtime.h>
  41 #endif
  42
  43 #include "Error.hpp"
  44 #include "JavaScript.hpp"
  45 #include "String.hpp"
  46 #include "Execute.hpp"
  47
  48 #include <cmath>
  49 #include <map>
  50
  51 #define CYObjectiveTry_(context) { \
  52     JSContextRef context_(context); \
  53     try
  54 #define CYObjectiveTry { \
  55     try
  56 #define CYObjectiveCatch \
  57     catch (const CYException &error) { \
  58         @throw CYCastNSObject(NULL, context_, error.CastJSValue(context_)); \
  59     } \
  60 }
  61
  62 #define CYPoolTry { \
  63     id _saved(nil); \
  64     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
  65     @try
  66 #define CYPoolCatch(value) \
  67     @catch (NSException *error) { \
  68         _saved = [error retain]; \
  69         throw CYJSError(context, CYCastJSValue(context, error)); \
  70         return value; \
  71     } @finally { \
  72         [_pool release]; \
  73         if (_saved != nil) \
  74             [_saved autorelease]; \
  75     } \
  76 }
  77
  78 #define CYSadTry { \
  79     @try
  80 #define CYSadCatch(value) \
  81     @catch (NSException *error ) { \
  82         throw CYJSError(context, CYCastJSValue(context, error)); \
  83     } return value; \
  84 }
  85
  86 #ifndef __APPLE__
  87 #define class_getSuperclass GSObjCSuper
  88 #define class_getInstanceVariable GSCGetInstanceVariableDefinition
  89 #define class_getName GSNameFromClass
  90
  91 #define class_removeMethods(cls, list) GSRemoveMethodList(cls, list, YES)
  92
  93 #define ivar_getName(ivar) ((ivar)->ivar_name)
  94 #define ivar_getOffset(ivar) ((ivar)->ivar_offset)
  95 #define ivar_getTypeEncoding(ivar) ((ivar)->ivar_type)
  96
  97 #define method_getName(method) ((method)->method_name)
  98 #define method_getImplementation(method) ((method)->method_imp)
  99 #define method_getTypeEncoding(method) ((method)->method_types)
 100 #define method_setImplementation(method, imp) ((void) ((method)->method_imp = (imp)))
 101
 102 #undef objc_getClass
 103 #define objc_getClass GSClassFromName
 104
 105 #define objc_getProtocol GSProtocolFromName
 106
 107 #define object_getClass GSObjCClass
 108
 109 #define object_getInstanceVariable(object, name, value) ({ \
 110     objc_ivar *ivar(class_getInstanceVariable(object_getClass(object), name)); \
 111     _assert(value != NULL); \
 112     if (ivar != NULL) \
 113         GSObjCGetVariable(object, ivar_getOffset(ivar), sizeof(void *), value); \
 114     ivar; \
 115 })
 116
 117 #define object_setIvar(object, ivar, value) ({ \
 118     void *data = (value); \
 119     GSObjCSetVariable(object, ivar_getOffset(ivar), sizeof(void *), &data); \
 120 })
 121
 122 #define protocol_getName(protocol) [(protocol) name]
 123 #endif
 124
 125 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class super, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception);
 126
 127 /* Objective-C Pool Release {{{ */
 128 apr_status_t CYPoolRelease_(void *data) {
 129     id object(reinterpret_cast<id>(data));
 130     [object release];
 131     return APR_SUCCESS;
 132 }
 133
 134 id CYPoolRelease_(apr_pool_t *pool, id object) {
 135     if (object == nil)
 136         return nil;
 137     else if (pool == NULL)
 138         return [object autorelease];
 139     else {
 140         apr_pool_cleanup_register(pool, object, &CYPoolRelease_, &apr_pool_cleanup_null);
 141         return object;
 142     }
 143 }
 144
 145 template <typename Type_>
 146 Type_ CYPoolRelease(apr_pool_t *pool, Type_ object) {
 147     return (Type_) CYPoolRelease_(pool, (id) object);
 148 }
 149 /* }}} */
 150 /* Objective-C Strings {{{ */
 151 const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, NSString *value) {
 152     if (pool == NULL)
 153         return [value UTF8String];
 154     else {
 155         size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
 156         char *string(new(pool) char[size]);
 157         if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
 158             throw CYJSError(context, "[NSString getCString:maxLength:encoding:] == NO");
 159         return string;
 160     }
 161 }
 162
 163 JSStringRef CYCopyJSString(JSContextRef context, NSString *value) {
 164 #ifdef __APPLE__
 165     return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));
 166 #else
 167     CYPool pool;
 168     return CYCopyJSString(CYPoolCString(pool, context, value));
 169 #endif
 170 }
 171
 172 JSStringRef CYCopyJSString(JSContextRef context, NSObject *value) {
 173     if (value == nil)
 174         return NULL;
 175     // XXX: this definition scares me; is anyone using this?!
 176     NSString *string([value description]);
 177     return CYCopyJSString(context, string);
 178 }
 179
 180 NSString *CYCopyNSString(const CYUTF8String &value) {
 181 #ifdef __APPLE__
 182     return (NSString *) CFStringCreateWithBytes(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(value.data), value.size, kCFStringEncodingUTF8, true);
 183 #else
 184     return [[NSString alloc] initWithBytes:value.data length:value.size encoding:NSUTF8StringEncoding];
 185 #endif
 186 }
 187
 188 NSString *CYCopyNSString(JSContextRef context, JSStringRef value) {
 189 #ifdef __APPLE__
 190     return (NSString *) JSStringCopyCFString(kCFAllocatorDefault, value);
 191 #else
 192     CYPool pool;
 193     return CYCopyNSString(CYPoolUTF8String(pool, context, value));
 194 #endif
 195 }
 196
 197 NSString *CYCopyNSString(JSContextRef context, JSValueRef value) {
 198     return CYCopyNSString(context, CYJSString(context, value));
 199 }
 200
 201 NSString *CYCastNSString(apr_pool_t *pool, const CYUTF8String &value) {
 202     return CYPoolRelease(pool, CYCopyNSString(value));
 203 }
 204
 205 NSString *CYCastNSString(apr_pool_t *pool, SEL sel) {
 206     const char *name(sel_getName(sel));
 207     return CYPoolRelease(pool, CYCopyNSString(CYUTF8String(name, strlen(name))));
 208 }
 209
 210 NSString *CYCastNSString(apr_pool_t *pool, JSContextRef context, JSStringRef value) {
 211     return CYPoolRelease(pool, CYCopyNSString(context, value));
 212 }
 213
 214 CYUTF8String CYCastUTF8String(NSString *value) {
 215     NSData *data([value dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO]);
 216     return CYUTF8String(reinterpret_cast<const char *>([data bytes]), [data length]);
 217 }
 218 /* }}} */
 219
 220 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value);
 221
 222 void CYThrow(JSContextRef context, NSException *error, JSValueRef *exception) {
 223     if (exception == NULL)
 224         throw error;
 225     *exception = CYCastJSValue(context, error);
 226 }
 227
 228 size_t CYGetIndex(NSString *value) {
 229     return CYGetIndex(CYCastUTF8String(value));
 230 }
 231
 232 bool CYGetOffset(apr_pool_t *pool, JSContextRef context, NSString *value, ssize_t &index) {
 233     return CYGetOffset(CYPoolCString(pool, context, value), index);
 234 }
 235
 236 static JSClassRef Instance_;
 237 static JSClassRef Internal_;
 238 static JSClassRef Message_;
 239 static JSClassRef Messages_;
 240 static JSClassRef Selector_;
 241 static JSClassRef StringInstance_;
 242 static JSClassRef Super_;
 243
 244 static JSClassRef ObjectiveC_Classes_;
 245 static JSClassRef ObjectiveC_Protocols_;
 246
 247 #ifdef __APPLE__
 248 static JSClassRef ObjectiveC_Image_Classes_;
 249 static JSClassRef ObjectiveC_Images_;
 250 #endif
 251
 252 #ifdef __APPLE__
 253 static Class NSCFBoolean_;
 254 static Class NSCFType_;
 255 static Class NSGenericDeallocHandler_;
 256 static Class NSMessageBuilder_;
 257 static Class NSZombie_;
 258 #else
 259 static Class NSBoolNumber_;
 260 #endif
 261
 262 static Class NSArray_;
 263 static Class NSDictionary_;
 264 static Class NSString_;
 265 static Class Object_;
 266
 267 static Type_privateData *Object_type;
 268 static Type_privateData *Selector_type;
 269
 270 Type_privateData *Instance::GetType() const {
 271     return Object_type;
 272 }
 273
 274 Type_privateData *Selector_privateData::GetType() const {
 275     return Selector_type;
 276 }
 277
 278 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception);
 279
 280 JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
 281     if (self == nil)
 282         return CYGetCachedObject(context, CYJSString("Instance_prototype"));
 283
 284     JSObjectRef global(CYGetGlobalObject(context));
 285     JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
 286
 287     char label[32];
 288     sprintf(label, "i%p", self);
 289     CYJSString name(label);
 290
 291     JSValueRef value(CYGetProperty(context, cy, name));
 292     if (!JSValueIsUndefined(context, value))
 293         return value;
 294
 295     JSClassRef _class(NULL);
 296     JSValueRef prototype;
 297
 298     if (self == NSArray_)
 299         prototype = CYGetCachedObject(context, CYJSString("Array_prototype"));
 300     else if (self == NSDictionary_)
 301         prototype = CYGetCachedObject(context, CYJSString("Object_prototype"));
 302     else if (self == NSString_)
 303         prototype = CYGetCachedObject(context, CYJSString("StringInstance_prototype"));
 304     else
 305         prototype = CYGetClassPrototype(context, class_getSuperclass(self));
 306
 307     JSObjectRef object(JSObjectMake(context, _class, NULL));
 308     JSObjectSetPrototype(context, object, prototype);
 309     CYSetProperty(context, cy, name, object);
 310
 311     return object;
 312 }
 313
 314 JSObjectRef Messages::Make(JSContextRef context, Class _class, bool array) {
 315     JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
 316     if (_class == NSArray_)
 317         array = true;
 318     if (Class super = class_getSuperclass(_class))
 319         JSObjectSetPrototype(context, value, Messages::Make(context, super, array));
 320     /*else if (array)
 321         JSObjectSetPrototype(context, value, Array_prototype_);*/
 322     return value;
 323 }
 324
 325 JSObjectRef Internal::Make(JSContextRef context, id object, JSObjectRef owner) {
 326     return JSObjectMake(context, Internal_, new Internal(object, context, owner));
 327 }
 328
 329 namespace cy {
 330 JSObjectRef Super::Make(JSContextRef context, id object, Class _class) {
 331     JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
 332     return value;
 333 } }
 334
 335 JSObjectRef Instance::Make(JSContextRef context, id object, Flags flags) {
 336     JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
 337     JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
 338     return value;
 339 }
 340
 341 Instance::~Instance() {
 342     if ((flags_ & Transient) == 0)
 343         // XXX: does this handle background threads correctly?
 344         // XXX: this simply does not work on the console because I'm stupid
 345         [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
 346 }
 347
 348 struct Message_privateData :
 349     cy::Functor
 350 {
 351     SEL sel_;
 352
 353     Message_privateData(SEL sel, const char *type, IMP value = NULL) :
 354         cy::Functor(type, reinterpret_cast<void (*)()>(value)),
 355         sel_(sel)
 356     {
 357     }
 358 };
 359
 360 JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 361     Instance::Flags flags;
 362
 363     if (transient)
 364         flags = Instance::Transient;
 365     else {
 366         flags = Instance::None;
 367         object = [object retain];
 368     }
 369
 370     return Instance::Make(context, object, flags);
 371 }
 372
 373 @interface NSMethodSignature (Cycript)
 374 - (NSString *) _typeString;
 375 @end
 376
 377 @interface NSObject (Cycript)
 378
 379 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 380 - (JSType) cy$JSType;
 381
 382 - (NSObject *) cy$toJSON:(NSString *)key;
 383 - (NSString *) cy$toCYON;
 384 - (NSString *) cy$toKey;
 385
 386 - (bool) cy$hasProperty:(NSString *)name;
 387 - (NSObject *) cy$getProperty:(NSString *)name;
 388 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value;
 389 - (bool) cy$deleteProperty:(NSString *)name;
 390 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context;
 391
 392 + (bool) cy$hasImplicitProperties;
 393
 394 @end
 395
 396 @protocol Cycript
 397 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 398 @end
 399
 400 NSString *CYCastNSCYON(id value) {
 401     NSString *string;
 402
 403     if (value == nil)
 404         string = @"nil";
 405     else {
 406         Class _class(object_getClass(value));
 407         SEL sel(@selector(cy$toCYON));
 408
 409         if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
 410             string = reinterpret_cast<NSString *(*)(id, SEL)>(method_getImplementation(toCYON))(value, sel);
 411         else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
 412             if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
 413                 string = [value cy$toCYON];
 414             else goto fail;
 415         } else fail: {
 416             if (false);
 417 #ifdef __APPLE__
 418             else if (value == NSZombie_)
 419                 string = @"_NSZombie_";
 420             else if (_class == NSZombie_)
 421                 string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
 422             // XXX: frowny /in/ the pants
 423             else if (value == NSGenericDeallocHandler_ || value == NSMessageBuilder_ || value == Object_)
 424                 string = nil;
 425 #endif
 426             else
 427                 string = [NSString stringWithFormat:@"%@", value];
 428         }
 429
 430         // XXX: frowny pants
 431         if (string == nil)
 432             string = @"undefined";
 433     }
 434
 435     return string;
 436 }
 437
 438 #ifdef __APPLE__
 439 struct PropertyAttributes {
 440     CYPool pool_;
 441
 442     const char *name;
 443
 444     const char *variable;
 445
 446     const char *getter_;
 447     const char *setter_;
 448
 449     bool readonly;
 450     bool copy;
 451     bool retain;
 452     bool nonatomic;
 453     bool dynamic;
 454     bool weak;
 455     bool garbage;
 456
 457     PropertyAttributes(objc_property_t property) :
 458         variable(NULL),
 459         getter_(NULL),
 460         setter_(NULL),
 461         readonly(false),
 462         copy(false),
 463         retain(false),
 464         nonatomic(false),
 465         dynamic(false),
 466         weak(false),
 467         garbage(false)
 468     {
 469         name = property_getName(property);
 470         const char *attributes(property_getAttributes(property));
 471
 472         for (char *state, *token(apr_strtok(apr_pstrdup(pool_, attributes), ",", &state)); token != NULL; token = apr_strtok(NULL, ",", &state)) {
 473             switch (*token) {
 474                 case 'R': readonly = true; break;
 475                 case 'C': copy = true; break;
 476                 case '&': retain = true; break;
 477                 case 'N': nonatomic = true; break;
 478                 case 'G': getter_ = token + 1; break;
 479                 case 'S': setter_ = token + 1; break;
 480                 case 'V': variable = token + 1; break;
 481             }
 482         }
 483
 484         /*if (variable == NULL) {
 485             variable = property_getName(property);
 486             size_t size(strlen(variable));
 487             char *name(new(pool_) char[size + 2]);
 488             name[0] = '_';
 489             memcpy(name + 1, variable, size);
 490             name[size + 1] = '\0';
 491             variable = name;
 492         }*/
 493     }
 494
 495     const char *Getter() {
 496         if (getter_ == NULL)
 497             getter_ = apr_pstrdup(pool_, name);
 498         return getter_;
 499     }
 500
 501     const char *Setter() {
 502         if (setter_ == NULL && !readonly) {
 503             size_t length(strlen(name));
 504
 505             char *temp(new(pool_) char[length + 5]);
 506             temp[0] = 's';
 507             temp[1] = 'e';
 508             temp[2] = 't';
 509
 510             if (length != 0) {
 511                 temp[3] = toupper(name[0]);
 512                 memcpy(temp + 4, name + 1, length - 1);
 513             }
 514
 515             temp[length + 3] = ':';
 516             temp[length + 4] = '\0';
 517             setter_ = temp;
 518         }
 519
 520         return setter_;
 521     }
 522
 523 };
 524 #endif
 525
 526 #ifdef __APPLE__
 527 NSObject *NSCFType$cy$toJSON(id self, SEL sel, NSString *key) {
 528     return [(NSString *) CFCopyDescription((CFTypeRef) self) autorelease];
 529 }
 530 #endif
 531
 532 #ifndef __APPLE__
 533 @interface CYWebUndefined : NSObject {
 534 }
 535
 536 + (CYWebUndefined *) undefined;
 537
 538 @end
 539
 540 @implementation CYWebUndefined
 541
 542 + (CYWebUndefined *) undefined {
 543     static CYWebUndefined *instance_([[CYWebUndefined alloc] init]);
 544     return instance_;
 545 }
 546
 547 @end
 548
 549 #define WebUndefined CYWebUndefined
 550 #endif
 551
 552 /* Bridge: CYJSObject {{{ */
 553 @interface CYJSObject : NSMutableDictionary {
 554     JSObjectRef object_;
 555     JSContextRef context_;
 556 }
 557
 558 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
 559
 560 - (NSObject *) cy$toJSON:(NSString *)key;
 561
 562 - (NSUInteger) count;
 563 - (id) objectForKey:(id)key;
 564 - (NSEnumerator *) keyEnumerator;
 565 - (void) setObject:(id)object forKey:(id)key;
 566 - (void) removeObjectForKey:(id)key;
 567
 568 @end
 569 /* }}} */
 570 /* Bridge: CYJSArray {{{ */
 571 @interface CYJSArray : NSMutableArray {
 572     JSObjectRef object_;
 573     JSContextRef context_;
 574 }
 575
 576 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
 577
 578 - (NSUInteger) count;
 579 - (id) objectAtIndex:(NSUInteger)index;
 580
 581 - (void) addObject:(id)anObject;
 582 - (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
 583 - (void) removeLastObject;
 584 - (void) removeObjectAtIndex:(NSUInteger)index;
 585 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
 586
 587 @end
 588 /* }}} */
 589
 590 NSObject *CYCastNSObject_(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
 591     JSObjectRef Array(CYGetCachedObject(context, Array_s));
 592     JSValueRef exception(NULL);
 593     bool array(JSValueIsInstanceOfConstructor(context, object, Array, &exception));
 594     CYThrow(context, exception);
 595     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
 596     return CYPoolRelease(pool, [value initWithJSObject:object inContext:context]);
 597 }
 598
 599 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
 600     if (!JSValueIsObjectOfClass(context, object, Instance_))
 601         return CYCastNSObject_(pool, context, object);
 602     else {
 603         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 604         return internal->GetValue();
 605     }
 606 }
 607
 608 NSNumber *CYCopyNSNumber(JSContextRef context, JSValueRef value) {
 609     return [[NSNumber alloc] initWithDouble:CYCastDouble(context, value)];
 610 }
 611
 612 #ifndef __APPLE__
 613 @interface NSBoolNumber : NSNumber {
 614 }
 615 @end
 616 #endif
 617
 618 id CYNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value, bool cast) {
 619     id object;
 620     bool copy;
 621
 622     switch (JSType type = JSValueGetType(context, value)) {
 623         case kJSTypeUndefined:
 624             object = [WebUndefined undefined];
 625             copy = false;
 626         break;
 627
 628         case kJSTypeNull:
 629             return NULL;
 630         break;
 631
 632         case kJSTypeBoolean:
 633 #ifdef __APPLE__
 634             object = (id) (CYCastBool(context, value) ? kCFBooleanTrue : kCFBooleanFalse);
 635             copy = false;
 636 #else
 637             object = [[NSBoolNumber alloc] initWithBool:CYCastBool(context, value)];
 638             copy = true;
 639 #endif
 640         break;
 641
 642         case kJSTypeNumber:
 643             object = CYCopyNSNumber(context, value);
 644             copy = true;
 645         break;
 646
 647         case kJSTypeString:
 648             object = CYCopyNSString(context, value);
 649             copy = true;
 650         break;
 651
 652         case kJSTypeObject:
 653             // XXX: this might could be more efficient
 654             object = CYCastNSObject(pool, context, (JSObjectRef) value);
 655             copy = false;
 656         break;
 657
 658         default:
 659             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 660         break;
 661     }
 662
 663     if (cast != copy)
 664         return object;
 665     else if (copy)
 666         return CYPoolRelease(pool, object);
 667     else
 668         return [object retain];
 669 }
 670
 671 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 672     return CYNSObject(pool, context, value, true);
 673 }
 674
 675 NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 676     return CYNSObject(pool, context, value, false);
 677 }
 678
 679 /* Bridge: NSArray {{{ */
 680 @implementation NSArray (Cycript)
 681
 682 - (NSString *) cy$toCYON {
 683     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 684     [json appendString:@"["];
 685
 686     bool comma(false);
 687 #ifdef __APPLE__
 688     for (id object in self) {
 689 #else
 690     for (size_t index(0), count([self count]); index != count; ++index) {
 691         id object([self objectAtIndex:index]);
 692 #endif
 693         if (comma)
 694             [json appendString:@","];
 695         else
 696             comma = true;
 697         if (object == nil || [object cy$JSType] != kJSTypeUndefined)
 698             [json appendString:CYCastNSCYON(object)];
 699         else {
 700             [json appendString:@","];
 701             comma = false;
 702         }
 703     }
 704
 705     [json appendString:@"]"];
 706     return json;
 707 }
 708
 709 - (bool) cy$hasProperty:(NSString *)name {
 710     if ([name isEqualToString:@"length"])
 711         return true;
 712
 713     size_t index(CYGetIndex(name));
 714     if (index == _not(size_t) || index >= [self count])
 715         return [super cy$hasProperty:name];
 716     else
 717         return true;
 718 }
 719
 720 - (NSObject *) cy$getProperty:(NSString *)name {
 721     if ([name isEqualToString:@"length"]) {
 722         NSUInteger count([self count]);
 723 #ifdef __APPLE__
 724         return [NSNumber numberWithUnsignedInteger:count];
 725 #else
 726         return [NSNumber numberWithUnsignedInt:count];
 727 #endif
 728     }
 729
 730     size_t index(CYGetIndex(name));
 731     if (index == _not(size_t) || index >= [self count])
 732         return [super cy$getProperty:name];
 733     else
 734         return [self objectAtIndex:index];
 735 }
 736
 737 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 738     [super cy$getPropertyNames:names inContext:context];
 739
 740     for (size_t index(0), count([self count]); index != count; ++index) {
 741         id object([self objectAtIndex:index]);
 742         if (object == nil || [object cy$JSType] != kJSTypeUndefined) {
 743             char name[32];
 744             sprintf(name, "%zu", index);
 745             JSPropertyNameAccumulatorAddName(names, CYJSString(name));
 746         }
 747     }
 748 }
 749
 750 + (bool) cy$hasImplicitProperties {
 751     return false;
 752 }
 753
 754 @end
 755 /* }}} */
 756 /* Bridge: NSBoolNumber {{{ */
 757 #ifndef __APPLE__
 758 @implementation NSBoolNumber (Cycript)
 759
 760 - (JSType) cy$JSType {
 761     return kJSTypeBoolean;
 762 }
 763
 764 - (NSObject *) cy$toJSON:(NSString *)key {
 765     return self;
 766 }
 767
 768 - (NSString *) cy$toCYON {
 769     return [self boolValue] ? @"true" : @"false";
 770 }
 771
 772 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 773     return CYCastJSValue(context, (bool) [self boolValue]);
 774 } CYObjectiveCatch }
 775
 776 @end
 777 #endif
 778 /* }}} */
 779 /* Bridge: NSDictionary {{{ */
 780 @implementation NSDictionary (Cycript)
 781
 782 - (NSString *) cy$toCYON {
 783     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 784     [json appendString:@"{"];
 785
 786     bool comma(false);
 787 #ifdef __APPLE__
 788     for (NSObject *key in self) {
 789 #else
 790     NSEnumerator *keys([self keyEnumerator]);
 791     while (NSObject *key = [keys nextObject]) {
 792 #endif
 793         if (comma)
 794             [json appendString:@","];
 795         else
 796             comma = true;
 797         [json appendString:[key cy$toKey]];
 798         [json appendString:@":"];
 799         NSObject *object([self objectForKey:key]);
 800         [json appendString:CYCastNSCYON(object)];
 801     }
 802
 803     [json appendString:@"}"];
 804     return json;
 805 }
 806
 807 - (bool) cy$hasProperty:(NSString *)name {
 808     return [self objectForKey:name] != nil;
 809 }
 810
 811 - (NSObject *) cy$getProperty:(NSString *)name {
 812     return [self objectForKey:name];
 813 }
 814
 815 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 816     [super cy$getPropertyNames:names inContext:context];
 817
 818 #ifdef __APPLE__
 819     for (NSObject *key in self) {
 820 #else
 821     NSEnumerator *keys([self keyEnumerator]);
 822     while (NSObject *key = [keys nextObject]) {
 823 #endif
 824         JSPropertyNameAccumulatorAddName(names, CYJSString(context, key));
 825     }
 826 }
 827
 828 + (bool) cy$hasImplicitProperties {
 829     return false;
 830 }
 831
 832 @end
 833 /* }}} */
 834 /* Bridge: NSMutableArray {{{ */
 835 @implementation NSMutableArray (Cycript)
 836
 837 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 838     if ([name isEqualToString:@"length"]) {
 839         // XXX: is this not intelligent?
 840         NSNumber *number(reinterpret_cast<NSNumber *>(value));
 841 #ifdef __APPLE__
 842         NSUInteger size([number unsignedIntegerValue]);
 843 #else
 844         NSUInteger size([number unsignedIntValue]);
 845 #endif
 846         NSUInteger count([self count]);
 847         if (size < count)
 848             [self removeObjectsInRange:NSMakeRange(size, count - size)];
 849         else if (size != count) {
 850             WebUndefined *undefined([WebUndefined undefined]);
 851             for (size_t i(count); i != size; ++i)
 852                 [self addObject:undefined];
 853         }
 854         return true;
 855     }
 856
 857     size_t index(CYGetIndex(name));
 858     if (index == _not(size_t))
 859         return [super cy$setProperty:name to:value];
 860
 861     id object(value ?: [NSNull null]);
 862
 863     size_t count([self count]);
 864     if (index < count)
 865         [self replaceObjectAtIndex:index withObject:object];
 866     else {
 867         if (index != count) {
 868             WebUndefined *undefined([WebUndefined undefined]);
 869             for (size_t i(count); i != index; ++i)
 870                 [self addObject:undefined];
 871         }
 872
 873         [self addObject:object];
 874     }
 875
 876     return true;
 877 }
 878
 879 - (bool) cy$deleteProperty:(NSString *)name {
 880     size_t index(CYGetIndex(name));
 881     if (index == _not(size_t) || index >= [self count])
 882         return [super cy$deleteProperty:name];
 883     [self replaceObjectAtIndex:index withObject:[WebUndefined undefined]];
 884     return true;
 885 }
 886
 887 @end
 888 /* }}} */
 889 /* Bridge: NSMutableDictionary {{{ */
 890 @implementation NSMutableDictionary (Cycript)
 891
 892 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 893     [self setObject:(value ?: [NSNull null]) forKey:name];
 894     return true;
 895 }
 896
 897 - (bool) cy$deleteProperty:(NSString *)name {
 898     if ([self objectForKey:name] == nil)
 899         return false;
 900     else {
 901         [self removeObjectForKey:name];
 902         return true;
 903     }
 904 }
 905
 906 @end
 907 /* }}} */
 908 /* Bridge: NSNumber {{{ */
 909 @implementation NSNumber (Cycript)
 910
 911 - (JSType) cy$JSType {
 912 #ifdef __APPLE__
 913     // XXX: this just seems stupid
 914     if ([self class] == NSCFBoolean_)
 915         return kJSTypeBoolean;
 916 #endif
 917     return kJSTypeNumber;
 918 }
 919
 920 - (NSObject *) cy$toJSON:(NSString *)key {
 921     return self;
 922 }
 923
 924 - (NSString *) cy$toCYON {
 925     return [self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false";
 926 }
 927
 928 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 929     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
 930 } CYObjectiveCatch }
 931
 932 @end
 933 /* }}} */
 934 /* Bridge: NSNull {{{ */
 935 @implementation NSNull (Cycript)
 936
 937 - (JSType) cy$JSType {
 938     return kJSTypeNull;
 939 }
 940
 941 - (NSObject *) cy$toJSON:(NSString *)key {
 942     return self;
 943 }
 944
 945 - (NSString *) cy$toCYON {
 946     return @"null";
 947 }
 948
 949 @end
 950 /* }}} */
 951 /* Bridge: NSObject {{{ */
 952 @implementation NSObject (Cycript)
 953
 954 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 955     return CYMakeInstance(context, self, false);
 956 } CYObjectiveCatch }
 957
 958 - (JSType) cy$JSType {
 959     return kJSTypeObject;
 960 }
 961
 962 - (NSObject *) cy$toJSON:(NSString *)key {
 963     return [self description];
 964 }
 965
 966 - (NSString *) cy$toCYON {
 967     return [[self cy$toJSON:@""] cy$toCYON];
 968 }
 969
 970 - (NSString *) cy$toKey {
 971     return [self cy$toCYON];
 972 }
 973
 974 - (bool) cy$hasProperty:(NSString *)name {
 975     return false;
 976 }
 977
 978 - (NSObject *) cy$getProperty:(NSString *)name {
 979     return nil;
 980 }
 981
 982 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 983     return false;
 984 }
 985
 986 - (bool) cy$deleteProperty:(NSString *)name {
 987     return false;
 988 }
 989
 990 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 991 }
 992
 993 + (bool) cy$hasImplicitProperties {
 994     return true;
 995 }
 996
 997 @end
 998 /* }}} */
 999 /* Bridge: NSProxy {{{ */
1000 @implementation NSProxy (Cycript)
1001
1002 - (NSObject *) cy$toJSON:(NSString *)key {
1003     return [self description];
1004 }
1005
1006 - (NSString *) cy$toCYON {
1007     return [[self cy$toJSON:@""] cy$toCYON];
1008 }
1009
1010 @end
1011 /* }}} */
1012 /* Bridge: NSString {{{ */
1013 @implementation NSString (Cycript)
1014
1015 - (JSType) cy$JSType {
1016     return kJSTypeString;
1017 }
1018
1019 - (NSObject *) cy$toJSON:(NSString *)key {
1020     return self;
1021 }
1022
1023 - (NSString *) cy$toCYON {
1024     std::ostringstream str;
1025     CYUTF8String string(CYCastUTF8String(self));
1026     CYStringify(str, string.data, string.size);
1027     std::string value(str.str());
1028     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
1029 }
1030
1031 - (NSString *) cy$toKey {
1032     if (CYIsKey(CYCastUTF8String(self)))
1033         return self;
1034     return [self cy$toCYON];
1035 }
1036
1037 - (bool) cy$hasProperty:(NSString *)name {
1038     if ([name isEqualToString:@"length"])
1039         return true;
1040
1041     size_t index(CYGetIndex(name));
1042     if (index == _not(size_t) || index >= [self length])
1043         return [super cy$hasProperty:name];
1044     else
1045         return true;
1046 }
1047
1048 - (NSObject *) cy$getProperty:(NSString *)name {
1049     if ([name isEqualToString:@"length"]) {
1050         NSUInteger count([self length]);
1051 #ifdef __APPLE__
1052         return [NSNumber numberWithUnsignedInteger:count];
1053 #else
1054         return [NSNumber numberWithUnsignedInt:count];
1055 #endif
1056     }
1057
1058     size_t index(CYGetIndex(name));
1059     if (index == _not(size_t) || index >= [self length])
1060         return [super cy$getProperty:name];
1061     else
1062         return [self substringWithRange:NSMakeRange(index, 1)];
1063 }
1064
1065 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
1066     [super cy$getPropertyNames:names inContext:context];
1067
1068     for (size_t index(0), length([self length]); index != length; ++index) {
1069         char name[32];
1070         sprintf(name, "%zu", index);
1071         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1072     }
1073 }
1074
1075 // XXX: this might be overly restrictive for NSString; I think I need a half-way between /injecting/ implicit properties and /accepting/ implicit properties
1076 + (bool) cy$hasImplicitProperties {
1077     return false;
1078 }
1079
1080 @end
1081 /* }}} */
1082 /* Bridge: WebUndefined {{{ */
1083 @implementation WebUndefined (Cycript)
1084
1085 - (JSType) cy$JSType {
1086     return kJSTypeUndefined;
1087 }
1088
1089 - (NSObject *) cy$toJSON:(NSString *)key {
1090     return self;
1091 }
1092
1093 - (NSString *) cy$toCYON {
1094     return @"undefined";
1095 }
1096
1097 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
1098     return CYJSUndefined(context);
1099 } CYObjectiveCatch }
1100
1101 @end
1102 /* }}} */
1103
1104 static bool CYIsClass(id self) {
1105 #ifdef __APPLE__
1106     // XXX: this is a lame object_isClass
1107     return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
1108 #else
1109     return GSObjCIsClass(self);
1110 #endif
1111 }
1112
1113 Class CYCastClass(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1114     id self(CYCastNSObject(pool, context, value));
1115     if (CYIsClass(self))
1116         return (Class) self;
1117     throw CYJSError(context, "got something that is not a Class");
1118     return NULL;
1119 }
1120
1121 NSArray *CYCastNSArray(JSContextRef context, JSPropertyNameArrayRef names) {
1122     CYPool pool;
1123     size_t size(JSPropertyNameArrayGetCount(names));
1124     NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
1125     for (size_t index(0); index != size; ++index)
1126         [array addObject:CYCastNSString(pool, context, JSPropertyNameArrayGetNameAtIndex(names, index))];
1127     return array;
1128 }
1129
1130 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
1131     if (value == nil)
1132         return CYJSNull(context);
1133     else if ([value respondsToSelector:@selector(cy$JSValueInContext:)])
1134         return [value cy$JSValueInContext:context];
1135     else
1136         return CYMakeInstance(context, value, false);
1137 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1138
1139 @implementation CYJSObject
1140
1141 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1142     if ((self = [super init]) != nil) {
1143         object_ = object;
1144         context_ = CYGetJSContext(context);
1145         //XXX:JSGlobalContextRetain(context_);
1146         JSValueProtect(context_, object_);
1147     } return self;
1148 } CYObjectiveCatch }
1149
1150 - (void) dealloc { CYObjectiveTry {
1151     JSValueUnprotect(context_, object_);
1152     //XXX:JSGlobalContextRelease(context_);
1153     [super dealloc];
1154 } CYObjectiveCatch }
1155
1156 - (NSObject *) cy$toJSON:(NSString *)key { CYObjectiveTry {
1157     JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_s));
1158     if (!CYIsCallable(context_, toJSON))
1159         return [super cy$toJSON:key];
1160     else {
1161         JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
1162         JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
1163         // XXX: do I really want an NSNull here?!
1164         return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1165     }
1166 } CYObjectiveCatch }
1167
1168 - (NSString *) cy$toCYON { CYObjectiveTry {
1169     CYPool pool;
1170     JSValueRef exception(NULL);
1171     const char *cyon(CYPoolCCYON(pool, context_, object_));
1172     CYThrow(context_, exception);
1173     if (cyon == NULL)
1174         return [super cy$toCYON];
1175     else
1176         return [NSString stringWithUTF8String:cyon];
1177 } CYObjectiveCatch }
1178
1179 - (NSUInteger) count { CYObjectiveTry {
1180     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1181     size_t size(JSPropertyNameArrayGetCount(names));
1182     JSPropertyNameArrayRelease(names);
1183     return size;
1184 } CYObjectiveCatch }
1185
1186 - (id) objectForKey:(id)key { CYObjectiveTry {
1187     JSValueRef value(CYGetProperty(context_, object_, CYJSString(context_, (NSObject *) key)));
1188     if (JSValueIsUndefined(context_, value))
1189         return nil;
1190     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1191 } CYObjectiveCatch }
1192
1193 - (NSEnumerator *) keyEnumerator { CYObjectiveTry {
1194     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1195     NSEnumerator *enumerator([CYCastNSArray(context_, names) objectEnumerator]);
1196     JSPropertyNameArrayRelease(names);
1197     return enumerator;
1198 } CYObjectiveCatch }
1199
1200 - (void) setObject:(id)object forKey:(id)key { CYObjectiveTry {
1201     CYSetProperty(context_, object_, CYJSString(context_, (NSObject *) key), CYCastJSValue(context_, (NSString *) object));
1202 } CYObjectiveCatch }
1203
1204 - (void) removeObjectForKey:(id)key { CYObjectiveTry {
1205     JSValueRef exception(NULL);
1206     (void) JSObjectDeleteProperty(context_, object_, CYJSString(context_, (NSObject *) key), &exception);
1207     CYThrow(context_, exception);
1208 } CYObjectiveCatch }
1209
1210 @end
1211
1212 @implementation CYJSArray
1213
1214 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1215     if ((self = [super init]) != nil) {
1216         object_ = object;
1217         context_ = CYGetJSContext(context);
1218         //XXX:JSGlobalContextRetain(context_);
1219         JSValueProtect(context_, object_);
1220     } return self;
1221 } CYObjectiveCatch }
1222
1223 - (void) dealloc { CYObjectiveTry {
1224     JSValueUnprotect(context_, object_);
1225     //XXX:JSGlobalContextRelease(context_);
1226     [super dealloc];
1227 } CYObjectiveCatch }
1228
1229 - (NSUInteger) count { CYObjectiveTry {
1230     return CYCastDouble(context_, CYGetProperty(context_, object_, length_s));
1231 } CYObjectiveCatch }
1232
1233 - (id) objectAtIndex:(NSUInteger)index { CYObjectiveTry {
1234     size_t bounds([self count]);
1235     if (index >= bounds)
1236         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1237     JSValueRef exception(NULL);
1238     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1239     CYThrow(context_, exception);
1240     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1241 } CYObjectiveCatch }
1242
1243 - (void) addObject:(id)object { CYObjectiveTry {
1244     JSValueRef exception(NULL);
1245     JSValueRef arguments[1];
1246     arguments[0] = CYCastJSValue(context_, (NSObject *) object);
1247     JSObjectRef Array(CYGetCachedObject(context_, CYJSString("Array_prototype")));
1248     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, push_s)), object_, 1, arguments, &exception);
1249     CYThrow(context_, exception);
1250 } CYObjectiveCatch }
1251
1252 - (void) insertObject:(id)object atIndex:(NSUInteger)index { CYObjectiveTry {
1253     size_t bounds([self count] + 1);
1254     if (index >= bounds)
1255         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1256     JSValueRef exception(NULL);
1257     JSValueRef arguments[3];
1258     arguments[0] = CYCastJSValue(context_, index);
1259     arguments[1] = CYCastJSValue(context_, 0);
1260     arguments[2] = CYCastJSValue(context_, (NSObject *) object);
1261     JSObjectRef Array(CYGetCachedObject(context_, CYJSString("Array_prototype")));
1262     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, splice_s)), object_, 3, arguments, &exception);
1263     CYThrow(context_, exception);
1264 } CYObjectiveCatch }
1265
1266 - (void) removeLastObject { CYObjectiveTry {
1267     JSValueRef exception(NULL);
1268     JSObjectRef Array(CYGetCachedObject(context_, CYJSString("Array_prototype")));
1269     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, pop_s)), object_, 0, NULL, &exception);
1270     CYThrow(context_, exception);
1271 } CYObjectiveCatch }
1272
1273 - (void) removeObjectAtIndex:(NSUInteger)index { CYObjectiveTry {
1274     size_t bounds([self count]);
1275     if (index >= bounds)
1276         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1277     JSValueRef exception(NULL);
1278     JSValueRef arguments[2];
1279     arguments[0] = CYCastJSValue(context_, index);
1280     arguments[1] = CYCastJSValue(context_, 1);
1281     JSObjectRef Array(CYGetCachedObject(context_, CYJSString("Array_prototype")));
1282     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, splice_s)), object_, 2, arguments, &exception);
1283     CYThrow(context_, exception);
1284 } CYObjectiveCatch }
1285
1286 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object { CYObjectiveTry {
1287     size_t bounds([self count]);
1288     if (index >= bounds)
1289         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1290     CYSetProperty(context_, object_, index, CYCastJSValue(context_, (NSObject *) object));
1291 } CYObjectiveCatch }
1292
1293 @end
1294
1295 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
1296 struct CYInternal :
1297     CYData
1298 {
1299     JSObjectRef object_;
1300
1301     CYInternal() :
1302         object_(NULL)
1303     {
1304     }
1305
1306     ~CYInternal() {
1307         // XXX: delete object_? ;(
1308     }
1309
1310     static CYInternal *Get(id self) {
1311         CYInternal *internal(NULL);
1312         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
1313             // XXX: do something epic? ;P
1314         }
1315
1316         return internal;
1317     }
1318
1319     static CYInternal *Set(id self) {
1320         CYInternal *internal(NULL);
1321         if (objc_ivar *ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
1322             if (internal == NULL) {
1323                 internal = new CYInternal();
1324                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
1325             }
1326         } else {
1327             // XXX: do something epic? ;P
1328         }
1329
1330         return internal;
1331     }
1332
1333     bool HasProperty(JSContextRef context, JSStringRef name) {
1334         if (object_ == NULL)
1335             return false;
1336         return JSObjectHasProperty(context, object_, name);
1337     }
1338
1339     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
1340         if (object_ == NULL)
1341             return NULL;
1342         return CYGetProperty(context, object_, name);
1343     }
1344
1345     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
1346         if (object_ == NULL)
1347             object_ = JSObjectMake(context, NULL, NULL);
1348         CYSetProperty(context, object_, name, value);
1349     }
1350 };
1351
1352 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
1353     Selector_privateData *internal(new Selector_privateData(sel));
1354     return JSObjectMake(context, Selector_, internal);
1355 }
1356
1357 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
1358     if (JSValueIsObjectOfClass(context, value, Selector_)) {
1359         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1360         return reinterpret_cast<SEL>(internal->value_);
1361     } else
1362         return CYCastPointer<SEL>(context, value);
1363 }
1364
1365 void *CYObjectiveC_ExecuteStart(JSContextRef context) { CYSadTry {
1366     return (void *) [[NSAutoreleasePool alloc] init];
1367 } CYSadCatch(NULL) }
1368
1369 void CYObjectiveC_ExecuteEnd(JSContextRef context, void *handle) { CYSadTry {
1370     return [(NSAutoreleasePool *) handle release];
1371 } CYSadCatch() }
1372
1373 JSValueRef CYObjectiveC_RuntimeProperty(JSContextRef context, CYUTF8String name) { CYPoolTry {
1374     if (name == "nil")
1375         return Instance::Make(context, nil);
1376     if (Class _class = objc_getClass(name.data))
1377         return CYMakeInstance(context, _class, true);
1378     if (Protocol *protocol = objc_getProtocol(name.data))
1379         return CYMakeInstance(context, protocol, true);
1380     return NULL;
1381 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1382
1383 static void CYObjectiveC_CallFunction(JSContextRef context, ffi_cif *cif, void (*function)(), uint8_t *value, void **values) { CYSadTry {
1384     ffi_call(cif, function, value, values);
1385 } CYSadCatch() }
1386
1387 static bool CYObjectiveC_PoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYSadTry {
1388     switch (type->primitive) {
1389         // XXX: do something epic about blocks
1390         case sig::block_P:
1391         case sig::object_P:
1392         case sig::typename_P:
1393             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
1394         break;
1395
1396         case sig::selector_P:
1397             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
1398         break;
1399
1400         default:
1401             return false;
1402     }
1403
1404     return true;
1405 } CYSadCatch(false) }
1406
1407 static JSValueRef CYObjectiveC_FromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) { CYPoolTry {
1408     switch (type->primitive) {
1409         // XXX: do something epic about blocks
1410         case sig::block_P:
1411         case sig::object_P:
1412             if (NSObject *object = *reinterpret_cast<NSObject **>(data)) {
1413                 JSValueRef value(CYCastJSValue(context, object));
1414                 if (initialize)
1415                     [object release];
1416                 return value;
1417             } else goto null;
1418
1419         case sig::typename_P:
1420             return CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
1421
1422         case sig::selector_P:
1423             if (SEL sel = *reinterpret_cast<SEL *>(data))
1424                 return CYMakeSelector(context, sel);
1425             else goto null;
1426
1427         null:
1428             return CYJSNull(context);
1429         default:
1430             return NULL;
1431     }
1432 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1433
1434 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
1435     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
1436         if (!devoid)
1437             return true;
1438 #if OBJC_API_VERSION >= 2
1439         char type[16];
1440         method_getReturnType(method, type, sizeof(type));
1441 #else
1442         const char *type(method_getTypeEncoding(method));
1443 #endif
1444         if (type[0] != 'v')
1445             return true;
1446     }
1447
1448     // XXX: possibly use a more "awesome" check?
1449     return false;
1450 }
1451
1452 static const char *CYPoolTypeEncoding(apr_pool_t *pool, JSContextRef context, SEL sel, objc_method *method) {
1453     if (method != NULL)
1454         return method_getTypeEncoding(method);
1455
1456     const char *name(sel_getName(sel));
1457     size_t length(strlen(name));
1458
1459     char keyed[length + 2];
1460     keyed[0] = '6';
1461     keyed[length + 1] = '\0';
1462     memcpy(keyed + 1, name, length);
1463
1464     if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1))
1465         return entry->value_;
1466
1467     return NULL;
1468 }
1469
1470 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
1471     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
1472
1473     JSContextRef context(internal->context_);
1474
1475     size_t count(internal->cif_.nargs);
1476     JSValueRef values[count];
1477
1478     for (size_t index(0); index != count; ++index)
1479         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
1480
1481     JSObjectRef _this(CYCastJSObject(context, values[0]));
1482
1483     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
1484     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
1485 }
1486
1487 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
1488     Message_privateData *internal(new Message_privateData(sel, type, imp));
1489     return JSObjectMake(context, Message_, internal);
1490 }
1491
1492 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
1493     JSObjectRef function(CYCastJSObject(context, value));
1494     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
1495     // XXX: see notes in Library.cpp about needing to leak
1496     return reinterpret_cast<IMP>(internal->GetValue());
1497 }
1498
1499 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1500     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1501     Class _class(internal->GetValue());
1502
1503     CYPool pool;
1504     const char *name(CYPoolCString(pool, context, property));
1505
1506     if (SEL sel = sel_getUid(name))
1507         if (class_getInstanceMethod(_class, sel) != NULL)
1508             return true;
1509
1510     return false;
1511 }
1512
1513 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
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 (objc_method *method = class_getInstanceMethod(_class, sel))
1522             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
1523
1524     return NULL;
1525 }
1526
1527 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, 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     SEL sel(sel_registerName(name));
1535
1536     objc_method *method(class_getInstanceMethod(_class, sel));
1537
1538     const char *type;
1539     IMP imp;
1540
1541     if (JSValueIsObjectOfClass(context, value, Message_)) {
1542         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1543         type = sig::Unparse(pool, &message->signature_);
1544         imp = reinterpret_cast<IMP>(message->GetValue());
1545     } else {
1546         type = CYPoolTypeEncoding(pool, context, sel, method);
1547         imp = CYMakeMessage(context, value, type);
1548     }
1549
1550     if (method != NULL)
1551         method_setImplementation(method, imp);
1552     else {
1553 #ifdef GNU_RUNTIME
1554         GSMethodList list(GSAllocMethodList(1));
1555         GSAppendMethodToList(list, sel, type, imp, YES);
1556         GSAddMethodList(_class, list, YES);
1557         GSFlushMethodCacheForClass(_class);
1558 #else
1559         class_addMethod(_class, sel, imp, type);
1560 #endif
1561     }
1562
1563     return true;
1564 }
1565
1566 #if 0 && OBJC_API_VERSION < 2
1567 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1568     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1569     Class _class(internal->GetValue());
1570
1571     CYPool pool;
1572     const char *name(CYPoolCString(pool, context, property));
1573
1574     if (SEL sel = sel_getUid(name))
1575         if (objc_method *method = class_getInstanceMethod(_class, sel)) {
1576             objc_method_list list = {NULL, 1, {method}};
1577             class_removeMethods(_class, &list);
1578             return true;
1579         }
1580
1581     return false;
1582 }
1583 #endif
1584
1585 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1586     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1587     Class _class(internal->GetValue());
1588
1589 #if OBJC_API_VERSION >= 2
1590     unsigned int size;
1591     objc_method **data(class_copyMethodList(_class, &size));
1592     for (size_t i(0); i != size; ++i)
1593         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
1594     free(data);
1595 #else
1596     for (objc_method_list *methods(_class->methods); methods != NULL; methods = methods->method_next)
1597         for (int i(0); i != methods->method_count; ++i)
1598             JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(&methods->method_list[i]))));
1599 #endif
1600 }
1601
1602 static bool CYHasImplicitProperties(Class _class) {
1603     // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1604     if (!CYImplements(_class, object_getClass(_class), @selector(cy$hasImplicitProperties), false))
1605         return true;
1606     return [_class cy$hasImplicitProperties];
1607 }
1608
1609 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1610     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1611     id self(internal->GetValue());
1612
1613     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1614         return true;
1615
1616     CYPool pool;
1617     NSString *name(CYCastNSString(pool, context, property));
1618
1619     if (CYInternal *internal = CYInternal::Get(self))
1620         if (internal->HasProperty(context, property))
1621             return true;
1622
1623     Class _class(object_getClass(self));
1624
1625     CYPoolTry {
1626         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1627         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
1628             if ([self cy$hasProperty:name])
1629                 return true;
1630     } CYPoolCatch(false)
1631
1632     const char *string(CYPoolCString(pool, context, name));
1633
1634 #ifdef __APPLE__
1635     if (class_getProperty(_class, string) != NULL)
1636         return true;
1637 #endif
1638
1639     if (CYHasImplicitProperties(_class))
1640         if (SEL sel = sel_getUid(string))
1641             if (CYImplements(self, _class, sel, true))
1642                 return true;
1643
1644     return false;
1645 }
1646
1647 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1648     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1649     id self(internal->GetValue());
1650
1651     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1652         return Internal::Make(context, self, object);
1653
1654     CYPool pool;
1655     NSString *name(CYCastNSString(pool, context, property));
1656
1657     if (CYInternal *internal = CYInternal::Get(self))
1658         if (JSValueRef value = internal->GetProperty(context, property))
1659             return value;
1660
1661     CYPoolTry {
1662         if (NSObject *data = [self cy$getProperty:name])
1663             return CYCastJSValue(context, data);
1664     } CYPoolCatch(NULL)
1665
1666     const char *string(CYPoolCString(pool, context, name));
1667     Class _class(object_getClass(self));
1668
1669 #ifdef __APPLE__
1670     if (objc_property_t property = class_getProperty(_class, string)) {
1671         PropertyAttributes attributes(property);
1672         SEL sel(sel_registerName(attributes.Getter()));
1673         return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1674     }
1675 #endif
1676
1677     if (CYHasImplicitProperties(_class))
1678         if (SEL sel = sel_getUid(string))
1679             if (CYImplements(self, _class, sel, true))
1680                 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1681
1682     return NULL;
1683 } CYCatch }
1684
1685 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1686     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1687     id self(internal->GetValue());
1688
1689     CYPool pool;
1690
1691     NSString *name(CYCastNSString(pool, context, property));
1692     NSObject *data(CYCastNSObject(pool, context, value));
1693
1694     CYPoolTry {
1695         if ([self cy$setProperty:name to:data])
1696             return true;
1697     } CYPoolCatch(NULL)
1698
1699     const char *string(CYPoolCString(pool, context, name));
1700     Class _class(object_getClass(self));
1701
1702 #ifdef __APPLE__
1703     if (objc_property_t property = class_getProperty(_class, string)) {
1704         PropertyAttributes attributes(property);
1705         if (const char *setter = attributes.Setter()) {
1706             SEL sel(sel_registerName(setter));
1707             JSValueRef arguments[1] = {value};
1708             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1709             return true;
1710         }
1711     }
1712 #endif
1713
1714     size_t length(strlen(string));
1715
1716     char set[length + 5];
1717
1718     set[0] = 's';
1719     set[1] = 'e';
1720     set[2] = 't';
1721
1722     if (string[0] != '\0') {
1723         set[3] = toupper(string[0]);
1724         memcpy(set + 4, string + 1, length - 1);
1725     }
1726
1727     set[length + 3] = ':';
1728     set[length + 4] = '\0';
1729
1730     if (SEL sel = sel_getUid(set))
1731         if (CYImplements(self, _class, sel, false)) {
1732             JSValueRef arguments[1] = {value};
1733             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1734         }
1735
1736     if (CYInternal *internal = CYInternal::Set(self)) {
1737         internal->SetProperty(context, property, value);
1738         return true;
1739     }
1740
1741     return false;
1742 } CYCatch }
1743
1744 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1745     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1746     id self(internal->GetValue());
1747
1748     CYPoolTry {
1749         NSString *name(CYCastNSString(NULL, context, property));
1750         return [self cy$deleteProperty:name];
1751     } CYPoolCatch(NULL)
1752 } CYCatch return /*XXX*/ NULL; }
1753
1754 static void Instance_getPropertyNames_message(JSPropertyNameAccumulatorRef names, objc_method *method) {
1755     const char *name(sel_getName(method_getName(method)));
1756     if (strchr(name, ':') != NULL)
1757         return;
1758
1759     const char *type(method_getTypeEncoding(method));
1760     if (type == NULL || *type == '\0' || *type == 'v')
1761         return;
1762
1763     JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1764 }
1765
1766 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1767     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1768     id self(internal->GetValue());
1769
1770     CYPool pool;
1771     Class _class(object_getClass(self));
1772
1773 #ifdef __APPLE__
1774     {
1775         unsigned int size;
1776         objc_property_t *data(class_copyPropertyList(_class, &size));
1777         for (size_t i(0); i != size; ++i)
1778             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
1779         free(data);
1780     }
1781 #endif
1782
1783     if (CYHasImplicitProperties(_class))
1784         for (Class current(_class); current != nil; current = class_getSuperclass(current)) {
1785 #if OBJC_API_VERSION >= 2
1786             unsigned int size;
1787             objc_method **data(class_copyMethodList(current, &size));
1788             for (size_t i(0); i != size; ++i)
1789                 Instance_getPropertyNames_message(names, data[i]);
1790             free(data);
1791 #else
1792             for (objc_method_list *methods(current->methods); methods != NULL; methods = methods->method_next)
1793                 for (int i(0); i != methods->method_count; ++i)
1794                     Instance_getPropertyNames_message(names, &methods->method_list[i]);
1795 #endif
1796         }
1797
1798     CYPoolTry {
1799         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1800         if (CYImplements(self, _class, @selector(cy$getPropertyNames:inContext:), false))
1801             [self cy$getPropertyNames:names inContext:context];
1802     } CYPoolCatch()
1803 }
1804
1805 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1806     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1807     JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
1808     return value;
1809 } CYCatch }
1810
1811 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) { CYTry {
1812     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
1813     Class _class(internal->GetValue());
1814     if (!CYIsClass(_class))
1815         return false;
1816
1817     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
1818         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
1819         // XXX: this isn't always safe
1820         return [linternal->GetValue() isKindOfClass:_class];
1821     }
1822
1823     return false;
1824 } CYCatch }
1825
1826 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1827     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1828     CYPool pool;
1829
1830     id self(internal->GetValue());
1831     const char *name(CYPoolCString(pool, context, property));
1832
1833     if (object_getInstanceVariable(self, name, NULL) != NULL)
1834         return true;
1835
1836     return false;
1837 }
1838
1839 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1840     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1841     CYPool pool;
1842
1843     id self(internal->GetValue());
1844     const char *name(CYPoolCString(pool, context, property));
1845
1846     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1847         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1848         // XXX: if this fails and throws an exception the person we are throwing it to gets the wrong exception
1849         return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
1850     }
1851
1852     return NULL;
1853 } CYCatch }
1854
1855 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1856     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1857     CYPool pool;
1858
1859     id self(internal->GetValue());
1860     const char *name(CYPoolCString(pool, context, property));
1861
1862     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1863         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1864         CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
1865         return true;
1866     }
1867
1868     return false;
1869 } CYCatch }
1870
1871 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
1872     if (Class super = class_getSuperclass(_class))
1873         Internal_getPropertyNames_(super, names);
1874
1875 #if OBJC_API_VERSION >= 2
1876     unsigned int size;
1877     objc_ivar **data(class_copyIvarList(_class, &size));
1878     for (size_t i(0); i != size; ++i)
1879         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
1880     free(data);
1881 #else
1882     if (objc_ivar_list *ivars = _class->ivars)
1883         for (int i(0); i != ivars->ivar_count; ++i)
1884             JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(&ivars->ivar_list[i])));
1885 #endif
1886 }
1887
1888 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1889     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1890     CYPool pool;
1891
1892     id self(internal->GetValue());
1893     Class _class(object_getClass(self));
1894
1895     Internal_getPropertyNames_(_class, names);
1896 }
1897
1898 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1899     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1900     return internal->GetOwner();
1901 }
1902
1903 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1904     CYPool pool;
1905     NSString *name(CYCastNSString(pool, context, property));
1906     if (Class _class = NSClassFromString(name))
1907         return CYMakeInstance(context, _class, true);
1908     return NULL;
1909 } CYCatch }
1910
1911 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1912 #ifdef __APPLE__
1913     size_t size(objc_getClassList(NULL, 0));
1914     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
1915
1916   get:
1917     size_t writ(objc_getClassList(data, size));
1918     if (size < writ) {
1919         size = writ;
1920         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
1921             data = copy;
1922             goto get;
1923         } else goto done;
1924     }
1925
1926     for (size_t i(0); i != writ; ++i)
1927         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
1928
1929   done:
1930     free(data);
1931 #else
1932     void *state(NULL);
1933     while (Class _class = objc_next_class(&state))
1934         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(_class)));
1935 #endif
1936 }
1937
1938 #if OBJC_API_VERSION >= 2
1939 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1940     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1941
1942     CYPool pool;
1943     const char *name(CYPoolCString(pool, context, property));
1944     unsigned int size;
1945     const char **data(objc_copyClassNamesForImage(internal, &size));
1946     JSValueRef value;
1947     for (size_t i(0); i != size; ++i)
1948         if (strcmp(name, data[i]) == 0) {
1949             if (Class _class = objc_getClass(name)) {
1950                 value = CYMakeInstance(context, _class, true);
1951                 goto free;
1952             } else
1953                 break;
1954         }
1955     value = NULL;
1956   free:
1957     free(data);
1958     return value;
1959 } CYCatch }
1960
1961 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1962     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1963     unsigned int size;
1964     const char **data(objc_copyClassNamesForImage(internal, &size));
1965     for (size_t i(0); i != size; ++i)
1966         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1967     free(data);
1968 }
1969
1970 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1971     CYPool pool;
1972     const char *name(CYPoolCString(pool, context, property));
1973     unsigned int size;
1974     const char **data(objc_copyImageNames(&size));
1975     for (size_t i(0); i != size; ++i)
1976         if (strcmp(name, data[i]) == 0) {
1977             name = data[i];
1978             goto free;
1979         }
1980     name = NULL;
1981   free:
1982     free(data);
1983     if (name == NULL)
1984         return NULL;
1985     JSObjectRef value(JSObjectMake(context, NULL, NULL));
1986     CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
1987     return value;
1988 } CYCatch }
1989
1990 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1991     unsigned int size;
1992     const char **data(objc_copyImageNames(&size));
1993     for (size_t i(0); i != size; ++i)
1994         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1995     free(data);
1996 }
1997 #endif
1998
1999 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2000     CYPool pool;
2001     const char *name(CYPoolCString(pool, context, property));
2002     if (Protocol *protocol = objc_getProtocol(name))
2003         return CYMakeInstance(context, protocol, true);
2004     return NULL;
2005 } CYCatch }
2006
2007 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2008 #if OBJC_API_VERSION >= 2
2009     unsigned int size;
2010     Protocol **data(objc_copyProtocolList(&size));
2011     for (size_t i(0); i != size; ++i)
2012         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
2013     free(data);
2014 #else
2015     // XXX: fix this!
2016 #endif
2017 }
2018
2019 #ifdef __APPLE__
2020 static bool stret(ffi_type *ffi_type) {
2021     return ffi_type->type == FFI_TYPE_STRUCT && (
2022         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
2023         struct_forward_array[ffi_type->size] != 0
2024     );
2025 }
2026 #endif
2027
2028 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 {
2029     const char *type;
2030
2031     if (_class == NULL)
2032         _class = object_getClass(self);
2033
2034     IMP imp;
2035
2036     if (objc_method *method = class_getInstanceMethod(_class, _cmd)) {
2037         imp = method_getImplementation(method);
2038         type = method_getTypeEncoding(method);
2039     } else {
2040         imp = NULL;
2041
2042         CYPoolTry {
2043             NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
2044             if (method == nil)
2045                 throw CYJSError(context, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
2046             type = CYPoolCString(pool, context, [method _typeString]);
2047         } CYPoolCatch(NULL)
2048     }
2049
2050     void *setup[2];
2051     setup[0] = &self;
2052     setup[1] = &_cmd;
2053
2054     sig::Signature signature;
2055     sig::Parse(pool, &signature, type, &Structor_);
2056
2057     ffi_cif cif;
2058     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
2059
2060     if (imp == NULL) {
2061 #ifdef __APPLE__
2062         if (stret(cif.rtype))
2063             imp = class_getMethodImplementation_stret(_class, _cmd);
2064         else
2065             imp = class_getMethodImplementation(_class, _cmd);
2066 #else
2067         objc_super super = {self, _class};
2068         imp = objc_msg_lookup_super(&super, _cmd);
2069 #endif
2070     }
2071
2072     void (*function)() = reinterpret_cast<void (*)()>(imp);
2073     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
2074 } CYCatch }
2075
2076 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2077     if (count < 2)
2078         throw CYJSError(context, "too few arguments to objc_msgSend");
2079
2080     CYPool pool;
2081
2082     bool uninitialized;
2083
2084     id self;
2085     SEL _cmd;
2086     Class _class;
2087
2088     if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
2089         cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2090         self = internal->GetValue();
2091         _class = internal->class_;;
2092         uninitialized = false;
2093     } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
2094         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2095         self = internal->GetValue();
2096         _class = nil;
2097         uninitialized = internal->IsUninitialized();
2098         if (uninitialized)
2099             internal->value_ = nil;
2100     } else {
2101         self = CYCastNSObject(pool, context, arguments[0]);
2102         _class = nil;
2103         uninitialized = false;
2104     }
2105
2106     if (self == nil)
2107         return CYJSNull(context);
2108
2109     _cmd = CYCastSEL(context, arguments[1]);
2110
2111     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
2112 } CYCatch }
2113
2114 /* Hook: objc_registerClassPair {{{ */
2115 #if defined(__APPLE__) && defined(__arm__) && 0
2116 // XXX: replace this with associated objects
2117
2118 MSHook(void, CYDealloc, id self, SEL sel) {
2119     CYInternal *internal;
2120     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
2121     if (internal != NULL)
2122         delete internal;
2123     _CYDealloc(self, sel);
2124 }
2125
2126 MSHook(void, objc_registerClassPair, Class _class) {
2127     Class super(class_getSuperclass(_class));
2128     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
2129         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
2130         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
2131     }
2132
2133     _objc_registerClassPair(_class);
2134 }
2135
2136 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2137     if (count != 1)
2138         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2139     CYPool pool;
2140     NSObject *value(CYCastNSObject(pool, context, arguments[0]));
2141     if (value == NULL || !CYIsClass(value))
2142         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2143     Class _class((Class) value);
2144     $objc_registerClassPair(_class);
2145     return CYJSUndefined(context);
2146 } CYCatch }
2147 #endif
2148 /* }}} */
2149
2150 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2151     JSValueRef setup[count + 2];
2152     setup[0] = _this;
2153     setup[1] = object;
2154     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
2155     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
2156 }
2157
2158 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2159     CYPool pool;
2160     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
2161
2162     // XXX: handle Instance::Uninitialized?
2163     id self(CYCastNSObject(pool, context, _this));
2164
2165     void *setup[2];
2166     setup[0] = &self;
2167     setup[1] = &internal->sel_;
2168
2169     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
2170 }
2171
2172 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2173     if (count != 2)
2174         throw CYJSError(context, "incorrect number of arguments to Super constructor");
2175     CYPool pool;
2176     id self(CYCastNSObject(pool, context, arguments[0]));
2177     Class _class(CYCastClass(pool, context, arguments[1]));
2178     return cy::Super::Make(context, self, _class);
2179 } CYCatch }
2180
2181 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2182     if (count != 1)
2183         throw CYJSError(context, "incorrect number of arguments to Selector constructor");
2184     CYPool pool;
2185     const char *name(CYPoolCString(pool, context, arguments[0]));
2186     return CYMakeSelector(context, sel_registerName(name));
2187 } CYCatch }
2188
2189 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2190     if (count > 1)
2191         throw CYJSError(context, "incorrect number of arguments to Instance constructor");
2192     id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
2193     return CYMakeInstance(context, self, false);
2194 } CYCatch }
2195
2196 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2197     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
2198     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
2199 }
2200
2201 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2202     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
2203     Type_privateData *typical(internal->GetType());
2204
2205     sig::Type *type;
2206     ffi_type *ffi;
2207
2208     if (typical == NULL) {
2209         type = NULL;
2210         ffi = NULL;
2211     } else {
2212         type = typical->type_;
2213         ffi = typical->ffi_;
2214     }
2215
2216     return CYMakePointer(context, &internal->value_, _not(size_t), type, ffi, object);
2217 }
2218
2219 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2220     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2221     return Instance::Make(context, (id) object_getClass(internal->GetValue()));
2222 }
2223
2224 static JSValueRef Instance_getProperty_prototype(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2225     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2226     id self(internal->GetValue());
2227     if (!CYIsClass(self))
2228         return CYJSUndefined(context);
2229     return CYGetClassPrototype(context, self);
2230 } CYCatch }
2231
2232 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2233     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2234     id self(internal->GetValue());
2235     if (!CYIsClass(self))
2236         return CYJSUndefined(context);
2237     return Messages::Make(context, (Class) self);
2238 }
2239
2240 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2241     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2242         return NULL;
2243
2244     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2245     return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue())));
2246 } CYCatch }
2247
2248 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2249     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2250         return NULL;
2251
2252     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2253
2254     CYPoolTry {
2255         NSString *key;
2256         if (count == 0)
2257             key = nil;
2258         else
2259             key = CYCastNSString(NULL, context, CYJSString(context, arguments[0]));
2260         // XXX: check for support of cy$toJSON?
2261         return CYCastJSValue(context, CYJSString(context, [internal->GetValue() cy$toJSON:key]));
2262     } CYPoolCatch(NULL)
2263 } CYCatch return /*XXX*/ NULL; }
2264
2265 #if 0
2266 static JSValueRef Instance_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2267     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2268         return NULL;
2269
2270     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2271     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->GetValue()));
2272 } CYCatch return /*XXX*/ NULL; }
2273 #endif
2274
2275 static JSValueRef Instance_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2276     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2277         return NULL;
2278
2279     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2280     // XXX: but... but... THIS ISN'T A POINTER! :(
2281     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->GetValue()));
2282 } CYCatch return /*XXX*/ NULL; }
2283
2284 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2285     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2286         return NULL;
2287
2288     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2289
2290     id value(internal->GetValue());
2291     if (value == nil)
2292         return CYCastJSValue(context, "nil");
2293
2294     CYPoolTry {
2295         // XXX: this seems like a stupid implementation; what if it crashes? why not use the CYONifier backend?
2296         return CYCastJSValue(context, CYJSString(context, [internal->GetValue() description]));
2297     } CYPoolCatch(NULL)
2298 } CYCatch return /*XXX*/ NULL; }
2299
2300 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2301     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2302     return CYCastJSValue(context, sel_getName(internal->GetValue()));
2303 } CYCatch }
2304
2305 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2306     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
2307 }
2308
2309 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2310     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2311     const char *name(sel_getName(internal->GetValue()));
2312
2313     CYPoolTry {
2314         NSString *string([NSString stringWithFormat:@"@selector(%s)", name]);
2315         return CYCastJSValue(context, CYJSString(context, string));
2316     } CYPoolCatch(NULL)
2317 } CYCatch return /*XXX*/ NULL; }
2318
2319 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2320     if (count != 1)
2321         throw CYJSError(context, "incorrect number of arguments to Selector.type");
2322
2323     CYPool pool;
2324     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2325     SEL sel(internal->GetValue());
2326
2327     objc_method *method;
2328     if (Class _class = CYCastClass(pool, context, arguments[0]))
2329         method = class_getInstanceMethod(_class, sel);
2330     else
2331         method = NULL;
2332
2333     if (const char *type = CYPoolTypeEncoding(pool, context, sel, method))
2334         return CYCastJSValue(context, CYJSString(type));
2335
2336     return CYJSNull(context);
2337 } CYCatch }
2338
2339 static JSStaticValue Selector_staticValues[2] = {
2340     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
2341     {NULL, NULL, NULL, 0}
2342 };
2343
2344 static JSStaticValue Instance_staticValues[5] = {
2345     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2346     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2347     {"prototype", &Instance_getProperty_prototype, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2348     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2349     {NULL, NULL, NULL, 0}
2350 };
2351
2352 static JSStaticFunction Instance_staticFunctions[6] = {
2353     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2354     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2355     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2356     //{"valueOf", &Instance_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2357     {"toPointer", &Instance_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2358     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2359     {NULL, NULL, 0}
2360 };
2361
2362 static JSStaticFunction Internal_staticFunctions[2] = {
2363     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2364     {NULL, NULL, 0}
2365 };
2366
2367 static JSStaticFunction Selector_staticFunctions[5] = {
2368     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2369     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2370     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2371     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2372     {NULL, NULL, 0}
2373 };
2374
2375 static JSStaticFunction StringInstance_staticFunctions[2] = {
2376     //{"valueOf", &Instance_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2377     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2378     {NULL, NULL, 0}
2379 };
2380
2381 void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
2382     apr_pool_t *pool(CYGetGlobalPool());
2383
2384     Object_type = new(pool) Type_privateData("@");
2385     Selector_type = new(pool) Type_privateData(":");
2386
2387 #ifdef __APPLE__
2388     NSCFBoolean_ = objc_getClass("NSCFBoolean");
2389     NSCFType_ = objc_getClass("NSCFType");
2390     NSGenericDeallocHandler_ = objc_getClass("__NSGenericDeallocHandler");
2391     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
2392     NSZombie_ = objc_getClass("_NSZombie_");
2393 #else
2394     NSBoolNumber_ = objc_getClass("NSBoolNumber");
2395 #endif
2396
2397     NSArray_ = objc_getClass("NSArray");
2398     NSDictionary_ = objc_getClass("NSDictionary");
2399     NSString_ = objc_getClass("NSString");
2400     Object_ = objc_getClass("Object");
2401
2402     JSClassDefinition definition;
2403
2404     definition = kJSClassDefinitionEmpty;
2405     definition.className = "Instance";
2406     definition.staticValues = Instance_staticValues;
2407     definition.staticFunctions = Instance_staticFunctions;
2408     definition.hasProperty = &Instance_hasProperty;
2409     definition.getProperty = &Instance_getProperty;
2410     definition.setProperty = &Instance_setProperty;
2411     definition.deleteProperty = &Instance_deleteProperty;
2412     definition.getPropertyNames = &Instance_getPropertyNames;
2413     definition.callAsConstructor = &Instance_callAsConstructor;
2414     definition.hasInstance = &Instance_hasInstance;
2415     definition.finalize = &CYFinalize;
2416     Instance_ = JSClassCreate(&definition);
2417
2418     definition = kJSClassDefinitionEmpty;
2419     definition.className = "Internal";
2420     definition.staticFunctions = Internal_staticFunctions;
2421     definition.hasProperty = &Internal_hasProperty;
2422     definition.getProperty = &Internal_getProperty;
2423     definition.setProperty = &Internal_setProperty;
2424     definition.getPropertyNames = &Internal_getPropertyNames;
2425     definition.finalize = &CYFinalize;
2426     Internal_ = JSClassCreate(&definition);
2427
2428     definition = kJSClassDefinitionEmpty;
2429     definition.className = "Message";
2430     definition.staticFunctions = cy::Functor::StaticFunctions;
2431     definition.callAsFunction = &Message_callAsFunction;
2432     definition.finalize = &CYFinalize;
2433     Message_ = JSClassCreate(&definition);
2434
2435     definition = kJSClassDefinitionEmpty;
2436     definition.className = "Messages";
2437     definition.hasProperty = &Messages_hasProperty;
2438     definition.getProperty = &Messages_getProperty;
2439     definition.setProperty = &Messages_setProperty;
2440 #if 0 && OBJC_API_VERSION < 2
2441     definition.deleteProperty = &Messages_deleteProperty;
2442 #endif
2443     definition.getPropertyNames = &Messages_getPropertyNames;
2444     definition.finalize = &CYFinalize;
2445     Messages_ = JSClassCreate(&definition);
2446
2447     definition = kJSClassDefinitionEmpty;
2448     definition.className = "Selector";
2449     definition.staticValues = Selector_staticValues;
2450     definition.staticFunctions = Selector_staticFunctions;
2451     definition.callAsFunction = &Selector_callAsFunction;
2452     definition.finalize = &CYFinalize;
2453     Selector_ = JSClassCreate(&definition);
2454
2455     definition = kJSClassDefinitionEmpty;
2456     definition.className = "StringInstance";
2457     definition.staticFunctions = StringInstance_staticFunctions;
2458     StringInstance_ = JSClassCreate(&definition);
2459
2460     definition = kJSClassDefinitionEmpty;
2461     definition.className = "Super";
2462     definition.staticFunctions = Internal_staticFunctions;
2463     definition.finalize = &CYFinalize;
2464     Super_ = JSClassCreate(&definition);
2465
2466     definition = kJSClassDefinitionEmpty;
2467     definition.className = "ObjectiveC::Classes";
2468     definition.getProperty = &ObjectiveC_Classes_getProperty;
2469     definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
2470     ObjectiveC_Classes_ = JSClassCreate(&definition);
2471
2472 #if OBJC_API_VERSION >= 2
2473     definition = kJSClassDefinitionEmpty;
2474     definition.className = "ObjectiveC::Images";
2475     definition.getProperty = &ObjectiveC_Images_getProperty;
2476     definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
2477     ObjectiveC_Images_ = JSClassCreate(&definition);
2478
2479     definition = kJSClassDefinitionEmpty;
2480     definition.className = "ObjectiveC::Image::Classes";
2481     definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
2482     definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
2483     ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
2484 #endif
2485
2486     definition = kJSClassDefinitionEmpty;
2487     definition.className = "ObjectiveC::Protocols";
2488     definition.getProperty = &ObjectiveC_Protocols_getProperty;
2489     definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
2490     ObjectiveC_Protocols_ = JSClassCreate(&definition);
2491
2492 #if defined(__APPLE__) && defined(__arm__) && 0
2493     MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
2494 #endif
2495
2496 #ifdef __APPLE__
2497     class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
2498 #endif
2499 } CYPoolCatch() }
2500
2501 void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry {
2502     JSObjectRef global(CYGetGlobalObject(context));
2503     JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
2504     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
2505     JSObjectRef all(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("all"))));
2506
2507     JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
2508     CYSetProperty(context, cycript, CYJSString("ObjectiveC"), ObjectiveC);
2509
2510     CYSetProperty(context, ObjectiveC, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
2511     CYSetProperty(context, ObjectiveC, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
2512
2513 #if OBJC_API_VERSION >= 2
2514     CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
2515 #endif
2516
2517     JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
2518     JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
2519     JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
2520     JSObjectRef StringInstance(JSObjectMakeConstructor(context, StringInstance_, NULL));
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     JSObjectRef StringInstance_prototype(CYCastJSObject(context, CYGetProperty(context, StringInstance, prototype_s)));
2527     CYSetProperty(context, cy, CYJSString("StringInstance_prototype"), StringInstance_prototype);
2528
2529     JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("String_prototype")));
2530     JSObjectSetPrototype(context, StringInstance_prototype, String_prototype);
2531
2532     CYSetProperty(context, cycript, CYJSString("Instance"), Instance);
2533     CYSetProperty(context, cycript, CYJSString("Selector"), Selector);
2534     CYSetProperty(context, cycript, CYJSString("Super"), Super);
2535
2536 #if defined(__APPLE__) && defined(__arm__) && 0
2537     CYSetProperty(context, all, CYJSString("objc_registerClassPair"), &objc_registerClassPair_, kJSPropertyAttributeDontEnum);
2538 #endif
2539
2540     CYSetProperty(context, all, CYJSString("objc_msgSend"), &$objc_msgSend, kJSPropertyAttributeDontEnum);
2541
2542     JSObjectRef Function_prototype(CYGetCachedObject(context, CYJSString("Function_prototype")));
2543     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype);
2544     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype);
2545 } CYPoolCatch() }
2546
2547 static CYHooks CYObjectiveCHooks = {
2548     &CYObjectiveC_ExecuteStart,
2549     &CYObjectiveC_ExecuteEnd,
2550     &CYObjectiveC_RuntimeProperty,
2551     &CYObjectiveC_CallFunction,
2552     &CYObjectiveC_Initialize,
2553     &CYObjectiveC_SetupContext,
2554     &CYObjectiveC_PoolFFI,
2555     &CYObjectiveC_FromFFI,
2556 };
2557
2558 struct CYObjectiveC {
2559     CYObjectiveC() {
2560         hooks_ = &CYObjectiveCHooks;
2561         // XXX: evil magic juju to make this actually take effect on a Mac when compiled with autoconf/libtool doom!
2562         _assert(hooks_ != NULL);
2563     }
2564 } CYObjectiveC;