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 Super_;
 242
 243 static JSClassRef ObjectiveC_Classes_;
 244 static JSClassRef ObjectiveC_Constants_;
 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("ArrayInstance_prototype"));
 300     else if (self == NSDictionary_)
 301         prototype = CYGetCachedObject(context, CYJSString("ObjectInstance_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 ? [NSString stringWithFormat:@"@%@", self] : [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 NULL;
 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     str << '@';
1026     CYUTF8String string(CYCastUTF8String(self));
1027     CYStringify(str, string.data, string.size);
1028     std::string value(str.str());
1029     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
1030 }
1031
1032 - (NSString *) cy$toKey {
1033     if (CYIsKey(CYCastUTF8String(self)))
1034         return self;
1035     return [self cy$toCYON];
1036 }
1037
1038 - (bool) cy$hasProperty:(NSString *)name {
1039     if ([name isEqualToString:@"length"])
1040         return true;
1041
1042     size_t index(CYGetIndex(name));
1043     if (index == _not(size_t) || index >= [self length])
1044         return [super cy$hasProperty:name];
1045     else
1046         return true;
1047 }
1048
1049 - (NSObject *) cy$getProperty:(NSString *)name {
1050     if ([name isEqualToString:@"length"]) {
1051         NSUInteger count([self length]);
1052 #ifdef __APPLE__
1053         return [NSNumber numberWithUnsignedInteger:count];
1054 #else
1055         return [NSNumber numberWithUnsignedInt:count];
1056 #endif
1057     }
1058
1059     size_t index(CYGetIndex(name));
1060     if (index == _not(size_t) || index >= [self length])
1061         return [super cy$getProperty:name];
1062     else
1063         return [self substringWithRange:NSMakeRange(index, 1)];
1064 }
1065
1066 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
1067     [super cy$getPropertyNames:names inContext:context];
1068
1069     for (size_t index(0), length([self length]); index != length; ++index) {
1070         char name[32];
1071         sprintf(name, "%zu", index);
1072         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1073     }
1074 }
1075
1076 // XXX: this might be overly restrictive for NSString; I think I need a half-way between /injecting/ implicit properties and /accepting/ implicit properties
1077 + (bool) cy$hasImplicitProperties {
1078     return false;
1079 }
1080
1081 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
1082     return CYCastJSValue(context, CYJSString(context, self));
1083 } CYObjectiveCatch }
1084
1085 @end
1086 /* }}} */
1087 /* Bridge: WebUndefined {{{ */
1088 @implementation WebUndefined (Cycript)
1089
1090 - (JSType) cy$JSType {
1091     return kJSTypeUndefined;
1092 }
1093
1094 - (NSObject *) cy$toJSON:(NSString *)key {
1095     return self;
1096 }
1097
1098 - (NSString *) cy$toCYON {
1099     return @"undefined";
1100 }
1101
1102 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
1103     return CYJSUndefined(context);
1104 } CYObjectiveCatch }
1105
1106 @end
1107 /* }}} */
1108
1109 static bool CYIsClass(id self) {
1110 #ifdef __APPLE__
1111     // XXX: this is a lame object_isClass
1112     return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
1113 #else
1114     return GSObjCIsClass(self);
1115 #endif
1116 }
1117
1118 Class CYCastClass(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1119     id self(CYCastNSObject(pool, context, value));
1120     if (CYIsClass(self))
1121         return (Class) self;
1122     throw CYJSError(context, "got something that is not a Class");
1123     return NULL;
1124 }
1125
1126 NSArray *CYCastNSArray(JSContextRef context, JSPropertyNameArrayRef names) {
1127     CYPool pool;
1128     size_t size(JSPropertyNameArrayGetCount(names));
1129     NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
1130     for (size_t index(0); index != size; ++index)
1131         [array addObject:CYCastNSString(pool, context, JSPropertyNameArrayGetNameAtIndex(names, index))];
1132     return array;
1133 }
1134
1135 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
1136     if (value == nil)
1137         return CYJSNull(context);
1138     else
1139         return CYMakeInstance(context, value, false);
1140 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1141
1142 @implementation CYJSObject
1143
1144 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1145     if ((self = [super init]) != nil) {
1146         object_ = object;
1147         context_ = CYGetJSContext(context);
1148         //XXX:JSGlobalContextRetain(context_);
1149         JSValueProtect(context_, object_);
1150     } return self;
1151 } CYObjectiveCatch }
1152
1153 - (void) dealloc { CYObjectiveTry {
1154     JSValueUnprotect(context_, object_);
1155     //XXX:JSGlobalContextRelease(context_);
1156     [super dealloc];
1157 } CYObjectiveCatch }
1158
1159 - (NSObject *) cy$toJSON:(NSString *)key { CYObjectiveTry {
1160     JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_s));
1161     if (!CYIsCallable(context_, toJSON))
1162         return [super cy$toJSON:key];
1163     else {
1164         JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
1165         JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
1166         // XXX: do I really want an NSNull here?!
1167         return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1168     }
1169 } CYObjectiveCatch }
1170
1171 - (NSString *) cy$toCYON { CYObjectiveTry {
1172     CYPool pool;
1173     JSValueRef exception(NULL);
1174     const char *cyon(CYPoolCCYON(pool, context_, object_));
1175     CYThrow(context_, exception);
1176     if (cyon == NULL)
1177         return [super cy$toCYON];
1178     else
1179         return [NSString stringWithUTF8String:cyon];
1180 } CYObjectiveCatch }
1181
1182 - (NSUInteger) count { CYObjectiveTry {
1183     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1184     size_t size(JSPropertyNameArrayGetCount(names));
1185     JSPropertyNameArrayRelease(names);
1186     return size;
1187 } CYObjectiveCatch }
1188
1189 - (id) objectForKey:(id)key { CYObjectiveTry {
1190     JSValueRef value(CYGetProperty(context_, object_, CYJSString(context_, (NSObject *) key)));
1191     if (JSValueIsUndefined(context_, value))
1192         return nil;
1193     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1194 } CYObjectiveCatch }
1195
1196 - (NSEnumerator *) keyEnumerator { CYObjectiveTry {
1197     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1198     NSEnumerator *enumerator([CYCastNSArray(context_, names) objectEnumerator]);
1199     JSPropertyNameArrayRelease(names);
1200     return enumerator;
1201 } CYObjectiveCatch }
1202
1203 - (void) setObject:(id)object forKey:(id)key { CYObjectiveTry {
1204     CYSetProperty(context_, object_, CYJSString(context_, (NSObject *) key), CYCastJSValue(context_, (NSString *) object));
1205 } CYObjectiveCatch }
1206
1207 - (void) removeObjectForKey:(id)key { CYObjectiveTry {
1208     JSValueRef exception(NULL);
1209     (void) JSObjectDeleteProperty(context_, object_, CYJSString(context_, (NSObject *) key), &exception);
1210     CYThrow(context_, exception);
1211 } CYObjectiveCatch }
1212
1213 @end
1214
1215 @implementation CYJSArray
1216
1217 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1218     if ((self = [super init]) != nil) {
1219         object_ = object;
1220         context_ = CYGetJSContext(context);
1221         //XXX:JSGlobalContextRetain(context_);
1222         JSValueProtect(context_, object_);
1223     } return self;
1224 } CYObjectiveCatch }
1225
1226 - (void) dealloc { CYObjectiveTry {
1227     JSValueUnprotect(context_, object_);
1228     //XXX:JSGlobalContextRelease(context_);
1229     [super dealloc];
1230 } CYObjectiveCatch }
1231
1232 - (NSUInteger) count { CYObjectiveTry {
1233     return CYArrayLength(context_, object_);
1234 } CYObjectiveCatch }
1235
1236 - (id) objectAtIndex:(NSUInteger)index { CYObjectiveTry {
1237     size_t bounds([self count]);
1238     if (index >= bounds)
1239         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1240     JSValueRef exception(NULL);
1241     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1242     CYThrow(context_, exception);
1243     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1244 } CYObjectiveCatch }
1245
1246 - (void) addObject:(id)object { CYObjectiveTry {
1247     CYArrayPush(context_, object_, CYCastJSValue(context_, (NSObject *) object));
1248 } CYObjectiveCatch }
1249
1250 - (void) insertObject:(id)object atIndex:(NSUInteger)index { CYObjectiveTry {
1251     size_t bounds([self count] + 1);
1252     if (index >= bounds)
1253         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1254     JSValueRef exception(NULL);
1255     JSValueRef arguments[3];
1256     arguments[0] = CYCastJSValue(context_, index);
1257     arguments[1] = CYCastJSValue(context_, 0);
1258     arguments[2] = CYCastJSValue(context_, (NSObject *) object);
1259     JSObjectRef Array(CYGetCachedObject(context_, CYJSString("Array_prototype")));
1260     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, splice_s)), object_, 3, arguments, &exception);
1261     CYThrow(context_, exception);
1262 } CYObjectiveCatch }
1263
1264 - (void) removeLastObject { CYObjectiveTry {
1265     JSValueRef exception(NULL);
1266     JSObjectRef Array(CYGetCachedObject(context_, CYJSString("Array_prototype")));
1267     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, pop_s)), object_, 0, NULL, &exception);
1268     CYThrow(context_, exception);
1269 } CYObjectiveCatch }
1270
1271 - (void) removeObjectAtIndex:(NSUInteger)index { CYObjectiveTry {
1272     size_t bounds([self count]);
1273     if (index >= bounds)
1274         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1275     JSValueRef exception(NULL);
1276     JSValueRef arguments[2];
1277     arguments[0] = CYCastJSValue(context_, index);
1278     arguments[1] = CYCastJSValue(context_, 1);
1279     JSObjectRef Array(CYGetCachedObject(context_, CYJSString("Array_prototype")));
1280     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, splice_s)), object_, 2, arguments, &exception);
1281     CYThrow(context_, exception);
1282 } CYObjectiveCatch }
1283
1284 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object { CYObjectiveTry {
1285     size_t bounds([self count]);
1286     if (index >= bounds)
1287         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1288     CYSetProperty(context_, object_, index, CYCastJSValue(context_, (NSObject *) object));
1289 } CYObjectiveCatch }
1290
1291 @end
1292
1293 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
1294 struct CYInternal :
1295     CYData
1296 {
1297     JSObjectRef object_;
1298
1299     CYInternal() :
1300         object_(NULL)
1301     {
1302     }
1303
1304     ~CYInternal() {
1305         // XXX: delete object_? ;(
1306     }
1307
1308     static CYInternal *Get(id self) {
1309         CYInternal *internal(NULL);
1310         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
1311             // XXX: do something epic? ;P
1312         }
1313
1314         return internal;
1315     }
1316
1317     static CYInternal *Set(id self) {
1318         CYInternal *internal(NULL);
1319         if (objc_ivar *ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
1320             if (internal == NULL) {
1321                 internal = new CYInternal();
1322                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
1323             }
1324         } else {
1325             // XXX: do something epic? ;P
1326         }
1327
1328         return internal;
1329     }
1330
1331     bool HasProperty(JSContextRef context, JSStringRef name) {
1332         if (object_ == NULL)
1333             return false;
1334         return JSObjectHasProperty(context, object_, name);
1335     }
1336
1337     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
1338         if (object_ == NULL)
1339             return NULL;
1340         return CYGetProperty(context, object_, name);
1341     }
1342
1343     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
1344         if (object_ == NULL)
1345             object_ = JSObjectMake(context, NULL, NULL);
1346         CYSetProperty(context, object_, name, value);
1347     }
1348 };
1349
1350 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
1351     Selector_privateData *internal(new Selector_privateData(sel));
1352     return JSObjectMake(context, Selector_, internal);
1353 }
1354
1355 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
1356     if (JSValueIsObjectOfClass(context, value, Selector_)) {
1357         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1358         return reinterpret_cast<SEL>(internal->value_);
1359     } else
1360         return CYCastPointer<SEL>(context, value);
1361 }
1362
1363 void *CYObjectiveC_ExecuteStart(JSContextRef context) { CYSadTry {
1364     return (void *) [[NSAutoreleasePool alloc] init];
1365 } CYSadCatch(NULL) }
1366
1367 void CYObjectiveC_ExecuteEnd(JSContextRef context, void *handle) { CYSadTry {
1368     return [(NSAutoreleasePool *) handle release];
1369 } CYSadCatch() }
1370
1371 JSValueRef CYObjectiveC_RuntimeProperty(JSContextRef context, CYUTF8String name) { CYPoolTry {
1372     if (name == "nil")
1373         return Instance::Make(context, nil);
1374     if (Class _class = objc_getClass(name.data))
1375         return CYMakeInstance(context, _class, true);
1376     if (Protocol *protocol = objc_getProtocol(name.data))
1377         return CYMakeInstance(context, protocol, true);
1378     return NULL;
1379 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1380
1381 static void CYObjectiveC_CallFunction(JSContextRef context, ffi_cif *cif, void (*function)(), uint8_t *value, void **values) { CYSadTry {
1382     ffi_call(cif, function, value, values);
1383 } CYSadCatch() }
1384
1385 static bool CYObjectiveC_PoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYSadTry {
1386     switch (type->primitive) {
1387         // XXX: do something epic about blocks
1388         case sig::block_P:
1389         case sig::object_P:
1390         case sig::typename_P:
1391             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
1392         break;
1393
1394         case sig::selector_P:
1395             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
1396         break;
1397
1398         default:
1399             return false;
1400     }
1401
1402     return true;
1403 } CYSadCatch(false) }
1404
1405 static JSValueRef CYObjectiveC_FromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) { CYPoolTry {
1406     switch (type->primitive) {
1407         // XXX: do something epic about blocks
1408         case sig::block_P:
1409         case sig::object_P:
1410             if (NSObject *object = *reinterpret_cast<NSObject **>(data)) {
1411                 JSValueRef value(CYCastJSValue(context, object));
1412                 if (initialize)
1413                     [object release];
1414                 return value;
1415             } else goto null;
1416
1417         case sig::typename_P:
1418             return CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
1419
1420         case sig::selector_P:
1421             if (SEL sel = *reinterpret_cast<SEL *>(data))
1422                 return CYMakeSelector(context, sel);
1423             else goto null;
1424
1425         null:
1426             return CYJSNull(context);
1427         default:
1428             return NULL;
1429     }
1430 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1431
1432 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
1433     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
1434         if (!devoid)
1435             return true;
1436 #if OBJC_API_VERSION >= 2
1437         char type[16];
1438         method_getReturnType(method, type, sizeof(type));
1439 #else
1440         const char *type(method_getTypeEncoding(method));
1441 #endif
1442         if (type[0] != 'v')
1443             return true;
1444     }
1445
1446     // XXX: possibly use a more "awesome" check?
1447     return false;
1448 }
1449
1450 static const char *CYPoolTypeEncoding(apr_pool_t *pool, JSContextRef context, SEL sel, objc_method *method) {
1451     if (method != NULL)
1452         return method_getTypeEncoding(method);
1453
1454     const char *name(sel_getName(sel));
1455     size_t length(strlen(name));
1456
1457     char keyed[length + 2];
1458     keyed[0] = '6';
1459     keyed[length + 1] = '\0';
1460     memcpy(keyed + 1, name, length);
1461
1462     if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1))
1463         return entry->value_;
1464
1465     return NULL;
1466 }
1467
1468 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
1469     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
1470
1471     JSContextRef context(internal->context_);
1472
1473     size_t count(internal->cif_.nargs);
1474     JSValueRef values[count];
1475
1476     for (size_t index(0); index != count; ++index)
1477         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
1478
1479     JSObjectRef _this(CYCastJSObject(context, values[0]));
1480
1481     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
1482     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
1483 }
1484
1485 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
1486     Message_privateData *internal(new Message_privateData(sel, type, imp));
1487     return JSObjectMake(context, Message_, internal);
1488 }
1489
1490 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
1491     JSObjectRef function(CYCastJSObject(context, value));
1492     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
1493     // XXX: see notes in Library.cpp about needing to leak
1494     return reinterpret_cast<IMP>(internal->GetValue());
1495 }
1496
1497 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1498     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1499     Class _class(internal->GetValue());
1500
1501     CYPool pool;
1502     const char *name(CYPoolCString(pool, context, property));
1503
1504     if (SEL sel = sel_getUid(name))
1505         if (class_getInstanceMethod(_class, sel) != NULL)
1506             return true;
1507
1508     return false;
1509 }
1510
1511 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1512     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1513     Class _class(internal->GetValue());
1514
1515     CYPool pool;
1516     const char *name(CYPoolCString(pool, context, property));
1517
1518     if (SEL sel = sel_getUid(name))
1519         if (objc_method *method = class_getInstanceMethod(_class, sel))
1520             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
1521
1522     return NULL;
1523 }
1524
1525 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
1526     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1527     Class _class(internal->GetValue());
1528
1529     CYPool pool;
1530     const char *name(CYPoolCString(pool, context, property));
1531
1532     SEL sel(sel_registerName(name));
1533
1534     objc_method *method(class_getInstanceMethod(_class, sel));
1535
1536     const char *type;
1537     IMP imp;
1538
1539     if (JSValueIsObjectOfClass(context, value, Message_)) {
1540         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1541         type = sig::Unparse(pool, &message->signature_);
1542         imp = reinterpret_cast<IMP>(message->GetValue());
1543     } else {
1544         type = CYPoolTypeEncoding(pool, context, sel, method);
1545         imp = CYMakeMessage(context, value, type);
1546     }
1547
1548     if (method != NULL)
1549         method_setImplementation(method, imp);
1550     else {
1551 #ifdef GNU_RUNTIME
1552         GSMethodList list(GSAllocMethodList(1));
1553         GSAppendMethodToList(list, sel, type, imp, YES);
1554         GSAddMethodList(_class, list, YES);
1555         GSFlushMethodCacheForClass(_class);
1556 #else
1557         class_addMethod(_class, sel, imp, type);
1558 #endif
1559     }
1560
1561     return true;
1562 }
1563
1564 #if 0 && OBJC_API_VERSION < 2
1565 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1566     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1567     Class _class(internal->GetValue());
1568
1569     CYPool pool;
1570     const char *name(CYPoolCString(pool, context, property));
1571
1572     if (SEL sel = sel_getUid(name))
1573         if (objc_method *method = class_getInstanceMethod(_class, sel)) {
1574             objc_method_list list = {NULL, 1, {method}};
1575             class_removeMethods(_class, &list);
1576             return true;
1577         }
1578
1579     return false;
1580 }
1581 #endif
1582
1583 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1584     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1585     Class _class(internal->GetValue());
1586
1587 #if OBJC_API_VERSION >= 2
1588     unsigned int size;
1589     objc_method **data(class_copyMethodList(_class, &size));
1590     for (size_t i(0); i != size; ++i)
1591         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
1592     free(data);
1593 #else
1594     for (objc_method_list *methods(_class->methods); methods != NULL; methods = methods->method_next)
1595         for (int i(0); i != methods->method_count; ++i)
1596             JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(&methods->method_list[i]))));
1597 #endif
1598 }
1599
1600 static bool CYHasImplicitProperties(Class _class) {
1601     // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1602     if (!CYImplements(_class, object_getClass(_class), @selector(cy$hasImplicitProperties), false))
1603         return true;
1604     return [_class cy$hasImplicitProperties];
1605 }
1606
1607 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1608     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1609     id self(internal->GetValue());
1610
1611     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1612         return true;
1613
1614     CYPool pool;
1615     NSString *name(CYCastNSString(pool, context, property));
1616
1617     if (CYInternal *internal = CYInternal::Get(self))
1618         if (internal->HasProperty(context, property))
1619             return true;
1620
1621     Class _class(object_getClass(self));
1622
1623     CYPoolTry {
1624         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1625         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
1626             if ([self cy$hasProperty:name])
1627                 return true;
1628     } CYPoolCatch(false)
1629
1630     const char *string(CYPoolCString(pool, context, name));
1631
1632 #ifdef __APPLE__
1633     if (class_getProperty(_class, string) != NULL)
1634         return true;
1635 #endif
1636
1637     if (CYHasImplicitProperties(_class))
1638         if (SEL sel = sel_getUid(string))
1639             if (CYImplements(self, _class, sel, true))
1640                 return true;
1641
1642     return false;
1643 }
1644
1645 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1646     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1647     id self(internal->GetValue());
1648
1649     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1650         return Internal::Make(context, self, object);
1651
1652     CYPool pool;
1653     NSString *name(CYCastNSString(pool, context, property));
1654
1655     if (CYInternal *internal = CYInternal::Get(self))
1656         if (JSValueRef value = internal->GetProperty(context, property))
1657             return value;
1658
1659     CYPoolTry {
1660         if (NSObject *data = [self cy$getProperty:name])
1661             return CYCastJSValue(context, data);
1662     } CYPoolCatch(NULL)
1663
1664     const char *string(CYPoolCString(pool, context, name));
1665     Class _class(object_getClass(self));
1666
1667 #ifdef __APPLE__
1668     if (objc_property_t property = class_getProperty(_class, string)) {
1669         PropertyAttributes attributes(property);
1670         SEL sel(sel_registerName(attributes.Getter()));
1671         return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1672     }
1673 #endif
1674
1675     if (CYHasImplicitProperties(_class))
1676         if (SEL sel = sel_getUid(string))
1677             if (CYImplements(self, _class, sel, true))
1678                 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1679
1680     return NULL;
1681 } CYCatch }
1682
1683 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1684     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1685     id self(internal->GetValue());
1686
1687     CYPool pool;
1688
1689     NSString *name(CYCastNSString(pool, context, property));
1690     NSObject *data(CYCastNSObject(pool, context, value));
1691
1692     CYPoolTry {
1693         if ([self cy$setProperty:name to:data])
1694             return true;
1695     } CYPoolCatch(NULL)
1696
1697     const char *string(CYPoolCString(pool, context, name));
1698     Class _class(object_getClass(self));
1699
1700 #ifdef __APPLE__
1701     if (objc_property_t property = class_getProperty(_class, string)) {
1702         PropertyAttributes attributes(property);
1703         if (const char *setter = attributes.Setter()) {
1704             SEL sel(sel_registerName(setter));
1705             JSValueRef arguments[1] = {value};
1706             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1707             return true;
1708         }
1709     }
1710 #endif
1711
1712     size_t length(strlen(string));
1713
1714     char set[length + 5];
1715
1716     set[0] = 's';
1717     set[1] = 'e';
1718     set[2] = 't';
1719
1720     if (string[0] != '\0') {
1721         set[3] = toupper(string[0]);
1722         memcpy(set + 4, string + 1, length - 1);
1723     }
1724
1725     set[length + 3] = ':';
1726     set[length + 4] = '\0';
1727
1728     if (SEL sel = sel_getUid(set))
1729         if (CYImplements(self, _class, sel, false)) {
1730             JSValueRef arguments[1] = {value};
1731             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1732         }
1733
1734     if (CYInternal *internal = CYInternal::Set(self)) {
1735         internal->SetProperty(context, property, value);
1736         return true;
1737     }
1738
1739     return false;
1740 } CYCatch }
1741
1742 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1743     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1744     id self(internal->GetValue());
1745
1746     CYPoolTry {
1747         NSString *name(CYCastNSString(NULL, context, property));
1748         return [self cy$deleteProperty:name];
1749     } CYPoolCatch(NULL)
1750 } CYCatch return /*XXX*/ NULL; }
1751
1752 static void Instance_getPropertyNames_message(JSPropertyNameAccumulatorRef names, objc_method *method) {
1753     const char *name(sel_getName(method_getName(method)));
1754     if (strchr(name, ':') != NULL)
1755         return;
1756
1757     const char *type(method_getTypeEncoding(method));
1758     if (type == NULL || *type == '\0' || *type == 'v')
1759         return;
1760
1761     JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1762 }
1763
1764 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1765     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1766     id self(internal->GetValue());
1767
1768     CYPool pool;
1769     Class _class(object_getClass(self));
1770
1771 #ifdef __APPLE__
1772     {
1773         unsigned int size;
1774         objc_property_t *data(class_copyPropertyList(_class, &size));
1775         for (size_t i(0); i != size; ++i)
1776             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
1777         free(data);
1778     }
1779 #endif
1780
1781     if (CYHasImplicitProperties(_class))
1782         for (Class current(_class); current != nil; current = class_getSuperclass(current)) {
1783 #if OBJC_API_VERSION >= 2
1784             unsigned int size;
1785             objc_method **data(class_copyMethodList(current, &size));
1786             for (size_t i(0); i != size; ++i)
1787                 Instance_getPropertyNames_message(names, data[i]);
1788             free(data);
1789 #else
1790             for (objc_method_list *methods(current->methods); methods != NULL; methods = methods->method_next)
1791                 for (int i(0); i != methods->method_count; ++i)
1792                     Instance_getPropertyNames_message(names, &methods->method_list[i]);
1793 #endif
1794         }
1795
1796     CYPoolTry {
1797         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1798         if (CYImplements(self, _class, @selector(cy$getPropertyNames:inContext:), false))
1799             [self cy$getPropertyNames:names inContext:context];
1800     } CYPoolCatch()
1801 }
1802
1803 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1804     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1805     JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
1806     return value;
1807 } CYCatch }
1808
1809 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) { CYTry {
1810     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
1811     Class _class(internal->GetValue());
1812     if (!CYIsClass(_class))
1813         return false;
1814
1815     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
1816         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
1817         // XXX: this isn't always safe
1818         return [linternal->GetValue() isKindOfClass:_class];
1819     }
1820
1821     return false;
1822 } CYCatch }
1823
1824 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1825     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1826     CYPool pool;
1827
1828     id self(internal->GetValue());
1829     const char *name(CYPoolCString(pool, context, property));
1830
1831     if (object_getInstanceVariable(self, name, NULL) != NULL)
1832         return true;
1833
1834     return false;
1835 }
1836
1837 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1838     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1839     CYPool pool;
1840
1841     id self(internal->GetValue());
1842     const char *name(CYPoolCString(pool, context, property));
1843
1844     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1845         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1846         // XXX: if this fails and throws an exception the person we are throwing it to gets the wrong exception
1847         return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
1848     }
1849
1850     return NULL;
1851 } CYCatch }
1852
1853 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1854     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1855     CYPool pool;
1856
1857     id self(internal->GetValue());
1858     const char *name(CYPoolCString(pool, context, property));
1859
1860     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1861         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1862         CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
1863         return true;
1864     }
1865
1866     return false;
1867 } CYCatch }
1868
1869 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
1870     if (Class super = class_getSuperclass(_class))
1871         Internal_getPropertyNames_(super, names);
1872
1873 #if OBJC_API_VERSION >= 2
1874     unsigned int size;
1875     objc_ivar **data(class_copyIvarList(_class, &size));
1876     for (size_t i(0); i != size; ++i)
1877         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
1878     free(data);
1879 #else
1880     if (objc_ivar_list *ivars = _class->ivars)
1881         for (int i(0); i != ivars->ivar_count; ++i)
1882             JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(&ivars->ivar_list[i])));
1883 #endif
1884 }
1885
1886 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1887     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1888     CYPool pool;
1889
1890     id self(internal->GetValue());
1891     Class _class(object_getClass(self));
1892
1893     Internal_getPropertyNames_(_class, names);
1894 }
1895
1896 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1897     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1898     return internal->GetOwner();
1899 }
1900
1901 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1902     CYPool pool;
1903     NSString *name(CYCastNSString(pool, context, property));
1904     if (Class _class = NSClassFromString(name))
1905         return CYMakeInstance(context, _class, true);
1906     return NULL;
1907 } CYCatch }
1908
1909 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1910 #ifdef __APPLE__
1911     size_t size(objc_getClassList(NULL, 0));
1912     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
1913
1914   get:
1915     size_t writ(objc_getClassList(data, size));
1916     if (size < writ) {
1917         size = writ;
1918         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
1919             data = copy;
1920             goto get;
1921         } else goto done;
1922     }
1923
1924     for (size_t i(0); i != writ; ++i)
1925         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
1926
1927   done:
1928     free(data);
1929 #else
1930     void *state(NULL);
1931     while (Class _class = objc_next_class(&state))
1932         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(_class)));
1933 #endif
1934 }
1935
1936 #if OBJC_API_VERSION >= 2
1937 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1938     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1939
1940     CYPool pool;
1941     const char *name(CYPoolCString(pool, context, property));
1942     unsigned int size;
1943     const char **data(objc_copyClassNamesForImage(internal, &size));
1944     JSValueRef value;
1945     for (size_t i(0); i != size; ++i)
1946         if (strcmp(name, data[i]) == 0) {
1947             if (Class _class = objc_getClass(name)) {
1948                 value = CYMakeInstance(context, _class, true);
1949                 goto free;
1950             } else
1951                 break;
1952         }
1953     value = NULL;
1954   free:
1955     free(data);
1956     return value;
1957 } CYCatch }
1958
1959 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1960     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1961     unsigned int size;
1962     const char **data(objc_copyClassNamesForImage(internal, &size));
1963     for (size_t i(0); i != size; ++i)
1964         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1965     free(data);
1966 }
1967
1968 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1969     CYPool pool;
1970     const char *name(CYPoolCString(pool, context, property));
1971     unsigned int size;
1972     const char **data(objc_copyImageNames(&size));
1973     for (size_t i(0); i != size; ++i)
1974         if (strcmp(name, data[i]) == 0) {
1975             name = data[i];
1976             goto free;
1977         }
1978     name = NULL;
1979   free:
1980     free(data);
1981     if (name == NULL)
1982         return NULL;
1983     JSObjectRef value(JSObjectMake(context, NULL, NULL));
1984     CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
1985     return value;
1986 } CYCatch }
1987
1988 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1989     unsigned int size;
1990     const char **data(objc_copyImageNames(&size));
1991     for (size_t i(0); i != size; ++i)
1992         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1993     free(data);
1994 }
1995 #endif
1996
1997 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1998     CYPool pool;
1999     const char *name(CYPoolCString(pool, context, property));
2000     if (Protocol *protocol = objc_getProtocol(name))
2001         return CYMakeInstance(context, protocol, true);
2002     return NULL;
2003 } CYCatch }
2004
2005 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2006 #if OBJC_API_VERSION >= 2
2007     unsigned int size;
2008     Protocol **data(objc_copyProtocolList(&size));
2009     for (size_t i(0); i != size; ++i)
2010         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
2011     free(data);
2012 #else
2013     // XXX: fix this!
2014 #endif
2015 }
2016
2017 static JSValueRef ObjectiveC_Constants_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2018     CYPool pool;
2019     CYUTF8String name(CYPoolUTF8String(pool, context, property));
2020     if (name == "nil")
2021         return Instance::Make(context, nil);
2022     return NULL;
2023 } CYCatch }
2024
2025 static void ObjectiveC_Constants_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2026     JSPropertyNameAccumulatorAddName(names, CYJSString("nil"));
2027 }
2028
2029 #ifdef __APPLE__
2030 static bool stret(ffi_type *ffi_type) {
2031     return ffi_type->type == FFI_TYPE_STRUCT && (
2032         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
2033         struct_forward_array[ffi_type->size] != 0
2034     );
2035 }
2036 #endif
2037
2038 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 {
2039     const char *type;
2040
2041     if (_class == NULL)
2042         _class = object_getClass(self);
2043
2044     IMP imp;
2045
2046     if (objc_method *method = class_getInstanceMethod(_class, _cmd)) {
2047         imp = method_getImplementation(method);
2048         type = method_getTypeEncoding(method);
2049     } else {
2050         imp = NULL;
2051
2052         CYPoolTry {
2053             NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
2054             if (method == nil)
2055                 throw CYJSError(context, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
2056             type = CYPoolCString(pool, context, [method _typeString]);
2057         } CYPoolCatch(NULL)
2058     }
2059
2060     void *setup[2];
2061     setup[0] = &self;
2062     setup[1] = &_cmd;
2063
2064     sig::Signature signature;
2065     sig::Parse(pool, &signature, type, &Structor_);
2066
2067     ffi_cif cif;
2068     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
2069
2070     if (imp == NULL) {
2071 #ifdef __APPLE__
2072         if (stret(cif.rtype))
2073             imp = class_getMethodImplementation_stret(_class, _cmd);
2074         else
2075             imp = class_getMethodImplementation(_class, _cmd);
2076 #else
2077         objc_super super = {self, _class};
2078         imp = objc_msg_lookup_super(&super, _cmd);
2079 #endif
2080     }
2081
2082     void (*function)() = reinterpret_cast<void (*)()>(imp);
2083     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
2084 } CYCatch }
2085
2086 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2087     if (count < 2)
2088         throw CYJSError(context, "too few arguments to objc_msgSend");
2089
2090     CYPool pool;
2091
2092     bool uninitialized;
2093
2094     id self;
2095     SEL _cmd;
2096     Class _class;
2097
2098     if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
2099         cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2100         self = internal->GetValue();
2101         _class = internal->class_;;
2102         uninitialized = false;
2103     } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
2104         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2105         self = internal->GetValue();
2106         _class = nil;
2107         uninitialized = internal->IsUninitialized();
2108         if (uninitialized)
2109             internal->value_ = nil;
2110     } else {
2111         self = CYCastNSObject(pool, context, arguments[0]);
2112         _class = nil;
2113         uninitialized = false;
2114     }
2115
2116     if (self == nil)
2117         return CYJSNull(context);
2118
2119     _cmd = CYCastSEL(context, arguments[1]);
2120
2121     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
2122 } CYCatch }
2123
2124 /* Hook: objc_registerClassPair {{{ */
2125 #if defined(__APPLE__) && defined(__arm__) && 0
2126 // XXX: replace this with associated objects
2127
2128 MSHook(void, CYDealloc, id self, SEL sel) {
2129     CYInternal *internal;
2130     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
2131     if (internal != NULL)
2132         delete internal;
2133     _CYDealloc(self, sel);
2134 }
2135
2136 MSHook(void, objc_registerClassPair, Class _class) {
2137     Class super(class_getSuperclass(_class));
2138     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
2139         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
2140         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
2141     }
2142
2143     _objc_registerClassPair(_class);
2144 }
2145
2146 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2147     if (count != 1)
2148         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2149     CYPool pool;
2150     NSObject *value(CYCastNSObject(pool, context, arguments[0]));
2151     if (value == NULL || !CYIsClass(value))
2152         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2153     Class _class((Class) value);
2154     $objc_registerClassPair(_class);
2155     return CYJSUndefined(context);
2156 } CYCatch }
2157 #endif
2158 /* }}} */
2159
2160 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2161     JSValueRef setup[count + 2];
2162     setup[0] = _this;
2163     setup[1] = object;
2164     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
2165     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
2166 }
2167
2168 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2169     CYPool pool;
2170     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
2171
2172     // XXX: handle Instance::Uninitialized?
2173     id self(CYCastNSObject(pool, context, _this));
2174
2175     void *setup[2];
2176     setup[0] = &self;
2177     setup[1] = &internal->sel_;
2178
2179     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
2180 }
2181
2182 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2183     if (count != 2)
2184         throw CYJSError(context, "incorrect number of arguments to Super constructor");
2185     CYPool pool;
2186     id self(CYCastNSObject(pool, context, arguments[0]));
2187     Class _class(CYCastClass(pool, context, arguments[1]));
2188     return cy::Super::Make(context, self, _class);
2189 } CYCatch }
2190
2191 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2192     if (count != 1)
2193         throw CYJSError(context, "incorrect number of arguments to Selector constructor");
2194     CYPool pool;
2195     const char *name(CYPoolCString(pool, context, arguments[0]));
2196     return CYMakeSelector(context, sel_registerName(name));
2197 } CYCatch }
2198
2199 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2200     if (count > 1)
2201         throw CYJSError(context, "incorrect number of arguments to Instance constructor");
2202     id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
2203     return CYMakeInstance(context, self, false);
2204 } CYCatch }
2205
2206 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2207     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
2208     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
2209 }
2210
2211 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2212     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
2213     Type_privateData *typical(internal->GetType());
2214
2215     sig::Type *type;
2216     ffi_type *ffi;
2217
2218     if (typical == NULL) {
2219         type = NULL;
2220         ffi = NULL;
2221     } else {
2222         type = typical->type_;
2223         ffi = typical->ffi_;
2224     }
2225
2226     return CYMakePointer(context, &internal->value_, _not(size_t), type, ffi, object);
2227 }
2228
2229 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2230     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2231     return Instance::Make(context, (id) object_getClass(internal->GetValue()));
2232 }
2233
2234 static JSValueRef Instance_getProperty_prototype(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2235     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2236     id self(internal->GetValue());
2237     if (!CYIsClass(self))
2238         return CYJSUndefined(context);
2239     return CYGetClassPrototype(context, self);
2240 } CYCatch }
2241
2242 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2243     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2244     id self(internal->GetValue());
2245     if (!CYIsClass(self))
2246         return CYJSUndefined(context);
2247     return Messages::Make(context, (Class) self);
2248 }
2249
2250 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2251     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2252         return NULL;
2253
2254     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2255     return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue())));
2256 } CYCatch }
2257
2258 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2259     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2260         return NULL;
2261
2262     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2263
2264     CYPoolTry {
2265         NSString *key;
2266         if (count == 0)
2267             key = nil;
2268         else
2269             key = CYCastNSString(NULL, context, CYJSString(context, arguments[0]));
2270         // XXX: check for support of cy$toJSON?
2271         return CYCastJSValue(context, CYJSString(context, [internal->GetValue() cy$toJSON:key]));
2272     } CYPoolCatch(NULL)
2273 } CYCatch return /*XXX*/ NULL; }
2274
2275 static JSValueRef Instance_callAsFunction_valueOf(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     id value(internal->GetValue());
2281
2282     if (![value respondsToSelector:@selector(cy$JSValueInContext:)])
2283         return _this;
2284
2285     if (JSValueRef result = [value cy$JSValueInContext:context])
2286         return result;
2287
2288     return _this;
2289 } CYCatch return /*XXX*/ NULL; }
2290
2291 static JSValueRef Instance_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2292     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2293         return NULL;
2294
2295     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2296     // XXX: but... but... THIS ISN'T A POINTER! :(
2297     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->GetValue()));
2298 } CYCatch return /*XXX*/ NULL; }
2299
2300 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2301     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2302         return NULL;
2303
2304     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2305     id value(internal->GetValue());
2306
2307     if (value == nil)
2308         return CYCastJSValue(context, "nil");
2309
2310     CYPoolTry {
2311         // XXX: this seems like a stupid implementation; what if it crashes? why not use the CYONifier backend?
2312         return CYCastJSValue(context, CYJSString(context, [value description]));
2313     } CYPoolCatch(NULL)
2314 } CYCatch return /*XXX*/ NULL; }
2315
2316 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2317     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2318     return CYCastJSValue(context, sel_getName(internal->GetValue()));
2319 } CYCatch }
2320
2321 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2322     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
2323 }
2324
2325 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2326     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2327     const char *name(sel_getName(internal->GetValue()));
2328
2329     CYPoolTry {
2330         NSString *string([NSString stringWithFormat:@"@selector(%s)", name]);
2331         return CYCastJSValue(context, CYJSString(context, string));
2332     } CYPoolCatch(NULL)
2333 } CYCatch return /*XXX*/ NULL; }
2334
2335 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2336     if (count != 1)
2337         throw CYJSError(context, "incorrect number of arguments to Selector.type");
2338
2339     CYPool pool;
2340     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2341     SEL sel(internal->GetValue());
2342
2343     objc_method *method;
2344     if (Class _class = CYCastClass(pool, context, arguments[0]))
2345         method = class_getInstanceMethod(_class, sel);
2346     else
2347         method = NULL;
2348
2349     if (const char *type = CYPoolTypeEncoding(pool, context, sel, method))
2350         return CYCastJSValue(context, CYJSString(type));
2351
2352     return CYJSNull(context);
2353 } CYCatch }
2354
2355 static JSStaticValue Selector_staticValues[2] = {
2356     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
2357     {NULL, NULL, NULL, 0}
2358 };
2359
2360 static JSStaticValue Instance_staticValues[5] = {
2361     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2362     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2363     {"prototype", &Instance_getProperty_prototype, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2364     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2365     {NULL, NULL, NULL, 0}
2366 };
2367
2368 static JSStaticFunction Instance_staticFunctions[7] = {
2369     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2370     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2371     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2372     {"valueOf", &Instance_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2373     {"toPointer", &Instance_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2374     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2375     {NULL, NULL, 0}
2376 };
2377
2378 static JSStaticFunction Internal_staticFunctions[2] = {
2379     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2380     {NULL, NULL, 0}
2381 };
2382
2383 static JSStaticFunction Selector_staticFunctions[5] = {
2384     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2385     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2386     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2387     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2388     {NULL, NULL, 0}
2389 };
2390
2391 void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
2392     apr_pool_t *pool(CYGetGlobalPool());
2393
2394     Object_type = new(pool) Type_privateData("@");
2395     Selector_type = new(pool) Type_privateData(":");
2396
2397 #ifdef __APPLE__
2398     NSCFBoolean_ = objc_getClass("NSCFBoolean");
2399     NSCFType_ = objc_getClass("NSCFType");
2400     NSGenericDeallocHandler_ = objc_getClass("__NSGenericDeallocHandler");
2401     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
2402     NSZombie_ = objc_getClass("_NSZombie_");
2403 #else
2404     NSBoolNumber_ = objc_getClass("NSBoolNumber");
2405 #endif
2406
2407     NSArray_ = objc_getClass("NSArray");
2408     NSDictionary_ = objc_getClass("NSDictionary");
2409     NSString_ = objc_getClass("NSString");
2410     Object_ = objc_getClass("Object");
2411
2412     JSClassDefinition definition;
2413
2414     definition = kJSClassDefinitionEmpty;
2415     definition.className = "Instance";
2416     definition.staticValues = Instance_staticValues;
2417     definition.staticFunctions = Instance_staticFunctions;
2418     definition.hasProperty = &Instance_hasProperty;
2419     definition.getProperty = &Instance_getProperty;
2420     definition.setProperty = &Instance_setProperty;
2421     definition.deleteProperty = &Instance_deleteProperty;
2422     definition.getPropertyNames = &Instance_getPropertyNames;
2423     definition.callAsConstructor = &Instance_callAsConstructor;
2424     definition.hasInstance = &Instance_hasInstance;
2425     definition.finalize = &CYFinalize;
2426     Instance_ = JSClassCreate(&definition);
2427
2428     definition = kJSClassDefinitionEmpty;
2429     definition.className = "Internal";
2430     definition.staticFunctions = Internal_staticFunctions;
2431     definition.hasProperty = &Internal_hasProperty;
2432     definition.getProperty = &Internal_getProperty;
2433     definition.setProperty = &Internal_setProperty;
2434     definition.getPropertyNames = &Internal_getPropertyNames;
2435     definition.finalize = &CYFinalize;
2436     Internal_ = JSClassCreate(&definition);
2437
2438     definition = kJSClassDefinitionEmpty;
2439     definition.className = "Message";
2440     definition.staticFunctions = cy::Functor::StaticFunctions;
2441     definition.callAsFunction = &Message_callAsFunction;
2442     definition.finalize = &CYFinalize;
2443     Message_ = JSClassCreate(&definition);
2444
2445     definition = kJSClassDefinitionEmpty;
2446     definition.className = "Messages";
2447     definition.hasProperty = &Messages_hasProperty;
2448     definition.getProperty = &Messages_getProperty;
2449     definition.setProperty = &Messages_setProperty;
2450 #if 0 && OBJC_API_VERSION < 2
2451     definition.deleteProperty = &Messages_deleteProperty;
2452 #endif
2453     definition.getPropertyNames = &Messages_getPropertyNames;
2454     definition.finalize = &CYFinalize;
2455     Messages_ = JSClassCreate(&definition);
2456
2457     definition = kJSClassDefinitionEmpty;
2458     definition.className = "Selector";
2459     definition.staticValues = Selector_staticValues;
2460     definition.staticFunctions = Selector_staticFunctions;
2461     definition.callAsFunction = &Selector_callAsFunction;
2462     definition.finalize = &CYFinalize;
2463     Selector_ = JSClassCreate(&definition);
2464
2465     definition = kJSClassDefinitionEmpty;
2466     definition.className = "Super";
2467     definition.staticFunctions = Internal_staticFunctions;
2468     definition.finalize = &CYFinalize;
2469     Super_ = JSClassCreate(&definition);
2470
2471     definition = kJSClassDefinitionEmpty;
2472     definition.className = "ObjectiveC::Classes";
2473     definition.getProperty = &ObjectiveC_Classes_getProperty;
2474     definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
2475     ObjectiveC_Classes_ = JSClassCreate(&definition);
2476
2477     definition = kJSClassDefinitionEmpty;
2478     definition.className = "ObjectiveC::Constants";
2479     definition.getProperty = &ObjectiveC_Constants_getProperty;
2480     definition.getPropertyNames = &ObjectiveC_Constants_getPropertyNames;
2481     ObjectiveC_Constants_ = JSClassCreate(&definition);
2482
2483 #if OBJC_API_VERSION >= 2
2484     definition = kJSClassDefinitionEmpty;
2485     definition.className = "ObjectiveC::Images";
2486     definition.getProperty = &ObjectiveC_Images_getProperty;
2487     definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
2488     ObjectiveC_Images_ = JSClassCreate(&definition);
2489
2490     definition = kJSClassDefinitionEmpty;
2491     definition.className = "ObjectiveC::Image::Classes";
2492     definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
2493     definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
2494     ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
2495 #endif
2496
2497     definition = kJSClassDefinitionEmpty;
2498     definition.className = "ObjectiveC::Protocols";
2499     definition.getProperty = &ObjectiveC_Protocols_getProperty;
2500     definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
2501     ObjectiveC_Protocols_ = JSClassCreate(&definition);
2502
2503 #if defined(__APPLE__) && defined(__arm__) && 0
2504     MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
2505 #endif
2506
2507 #ifdef __APPLE__
2508     class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
2509 #endif
2510 } CYPoolCatch() }
2511
2512 void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry {
2513     JSObjectRef global(CYGetGlobalObject(context));
2514     JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
2515     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
2516     JSObjectRef all(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("all"))));
2517     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
2518
2519     JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
2520     CYSetProperty(context, cycript, CYJSString("ObjectiveC"), ObjectiveC);
2521
2522     JSObjectRef protocols(JSObjectMake(context, ObjectiveC_Protocols_, NULL));
2523     CYSetProperty(context, ObjectiveC, CYJSString("protocols"), protocols);
2524     CYArrayPush(context, alls, protocols);
2525
2526     JSObjectRef classes(JSObjectMake(context, ObjectiveC_Classes_, NULL));
2527     CYSetProperty(context, ObjectiveC, CYJSString("classes"), classes);
2528     CYArrayPush(context, alls, classes);
2529
2530     JSObjectRef constants(JSObjectMake(context, ObjectiveC_Constants_, NULL));
2531     CYSetProperty(context, ObjectiveC, CYJSString("constants"), constants);
2532     CYArrayPush(context, alls, constants);
2533
2534 #if OBJC_API_VERSION >= 2
2535     CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
2536 #endif
2537
2538     JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
2539     JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
2540     JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
2541     JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
2542
2543     JSObjectRef Instance_prototype(CYCastJSObject(context, CYGetProperty(context, Instance, prototype_s)));
2544     CYSetProperty(context, cy, CYJSString("Instance_prototype"), Instance_prototype);
2545
2546     JSObjectRef ArrayInstance(JSObjectMakeConstructor(context, Instance_, NULL));
2547     JSObjectRef ArrayInstance_prototype(CYCastJSObject(context, CYGetProperty(context, ArrayInstance, prototype_s)));
2548     CYSetProperty(context, cy, CYJSString("ArrayInstance_prototype"), ArrayInstance_prototype);
2549     JSObjectRef Array_prototype(CYGetCachedObject(context, CYJSString("Array_prototype")));
2550     JSObjectSetPrototype(context, ArrayInstance_prototype, Array_prototype);
2551
2552     JSObjectRef ObjectInstance(JSObjectMakeConstructor(context, Instance_, NULL));
2553     JSObjectRef ObjectInstance_prototype(CYCastJSObject(context, CYGetProperty(context, ObjectInstance, prototype_s)));
2554     CYSetProperty(context, cy, CYJSString("ObjectInstance_prototype"), ObjectInstance_prototype);
2555     JSObjectRef Object_prototype(CYGetCachedObject(context, CYJSString("Object_prototype")));
2556     JSObjectSetPrototype(context, ObjectInstance_prototype, Object_prototype);
2557
2558     JSObjectRef StringInstance(JSObjectMakeConstructor(context, Instance_, NULL));
2559     JSObjectRef StringInstance_prototype(CYCastJSObject(context, CYGetProperty(context, StringInstance, prototype_s)));
2560     CYSetProperty(context, cy, CYJSString("StringInstance_prototype"), StringInstance_prototype);
2561     JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("String_prototype")));
2562     JSObjectSetPrototype(context, StringInstance_prototype, String_prototype);
2563
2564     CYSetProperty(context, cycript, CYJSString("Instance"), Instance);
2565     CYSetProperty(context, cycript, CYJSString("Selector"), Selector);
2566     CYSetProperty(context, cycript, CYJSString("Super"), Super);
2567
2568 #if defined(__APPLE__) && defined(__arm__) && 0
2569     CYSetProperty(context, all, CYJSString("objc_registerClassPair"), &objc_registerClassPair_, kJSPropertyAttributeDontEnum);
2570 #endif
2571
2572     CYSetProperty(context, all, CYJSString("objc_msgSend"), &$objc_msgSend, kJSPropertyAttributeDontEnum);
2573
2574     JSObjectRef Function_prototype(CYGetCachedObject(context, CYJSString("Function_prototype")));
2575     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype);
2576     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype);
2577 } CYPoolCatch() }
2578
2579 static CYHooks CYObjectiveCHooks = {
2580     &CYObjectiveC_ExecuteStart,
2581     &CYObjectiveC_ExecuteEnd,
2582     &CYObjectiveC_CallFunction,
2583     &CYObjectiveC_Initialize,
2584     &CYObjectiveC_SetupContext,
2585     &CYObjectiveC_PoolFFI,
2586     &CYObjectiveC_FromFFI,
2587 };
2588
2589 struct CYObjectiveC {
2590     CYObjectiveC() {
2591         hooks_ = &CYObjectiveCHooks;
2592         // XXX: evil magic juju to make this actually take effect on a Mac when compiled with autoconf/libtool doom!
2593         _assert(hooks_ != NULL);
2594     }
2595 } CYObjectiveC;