ObjectiveC/Library.mm

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2010  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Lesser General Public License, Version 3 {{{ */
   6 /*
   7  * Cycript is free software: you can redistribute it and/or modify it under
   8  * the terms of the GNU Lesser General Public License as published by the
   9  * Free Software Foundation, either version 3 of the License, or (at your
  10  * option) any later version.
  11  *
  12  * Cycript is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15  * License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public License
  18  * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #ifdef __APPLE__
  23 #include "Struct.hpp"
  24 #endif
  25
  26 #include <Foundation/Foundation.h>
  27
  28 #include "ObjectiveC/Internal.hpp"
  29
  30 #include <objc/objc-api.h>
  31
  32 #include "cycript.hpp"
  33
  34 #include "ObjectiveC/Internal.hpp"
  35
  36 #ifdef __APPLE__
  37 #include <CoreFoundation/CoreFoundation.h>
  38 #include <JavaScriptCore/JSStringRefCF.h>
  39 #include <WebKit/WebScriptObject.h>
  40 #include <objc/runtime.h>
  41 #endif
  42
  43 #include "Error.hpp"
  44 #include "JavaScript.hpp"
  45 #include "String.hpp"
  46 #include "Execute.hpp"
  47
  48 #include <cmath>
  49 #include <map>
  50
  51 #define CYObjectiveTry_(context) { \
  52     JSContextRef context_(context); \
  53     try
  54 #define CYObjectiveTry { \
  55     try
  56 #define CYObjectiveCatch \
  57     catch (const CYException &error) { \
  58         @throw CYCastNSObject(NULL, context_, error.CastJSValue(context_)); \
  59     } \
  60 }
  61
  62 #define CYPoolTry { \
  63     id _saved(nil); \
  64     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
  65     @try
  66 #define CYPoolCatch(value) \
  67     @catch (NSException *error) { \
  68         _saved = [error retain]; \
  69         throw CYJSError(context, CYCastJSValue(context, error)); \
  70         return value; \
  71     } @finally { \
  72         [_pool release]; \
  73         if (_saved != nil) \
  74             [_saved autorelease]; \
  75     } \
  76 }
  77
  78 #define CYSadTry { \
  79     @try
  80 #define CYSadCatch(value) \
  81     @catch (NSException *error ) { \
  82         throw CYJSError(context, CYCastJSValue(context, error)); \
  83     } return value; \
  84 }
  85
  86 #ifndef __APPLE__
  87 #define class_getSuperclass GSObjCSuper
  88 #define class_getInstanceVariable GSCGetInstanceVariableDefinition
  89 #define class_getName GSNameFromClass
  90
  91 #define class_removeMethods(cls, list) GSRemoveMethodList(cls, list, YES)
  92
  93 #define ivar_getName(ivar) ((ivar)->ivar_name)
  94 #define ivar_getOffset(ivar) ((ivar)->ivar_offset)
  95 #define ivar_getTypeEncoding(ivar) ((ivar)->ivar_type)
  96
  97 #define method_getName(method) ((method)->method_name)
  98 #define method_getImplementation(method) ((method)->method_imp)
  99 #define method_getTypeEncoding(method) ((method)->method_types)
 100 #define method_setImplementation(method, imp) ((void) ((method)->method_imp = (imp)))
 101
 102 #undef objc_getClass
 103 #define objc_getClass GSClassFromName
 104
 105 #define objc_getProtocol GSProtocolFromName
 106
 107 #define object_getClass GSObjCClass
 108
 109 #define object_getInstanceVariable(object, name, value) ({ \
 110     objc_ivar *ivar(class_getInstanceVariable(object_getClass(object), name)); \
 111     _assert(value != NULL); \
 112     if (ivar != NULL) \
 113         GSObjCGetVariable(object, ivar_getOffset(ivar), sizeof(void *), value); \
 114     ivar; \
 115 })
 116
 117 #define object_setIvar(object, ivar, value) ({ \
 118     void *data = (value); \
 119     GSObjCSetVariable(object, ivar_getOffset(ivar), sizeof(void *), &data); \
 120 })
 121
 122 #define protocol_getName(protocol) [(protocol) name]
 123 #endif
 124
 125 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class super, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception);
 126
 127 /* Objective-C Pool Release {{{ */
 128 apr_status_t CYPoolRelease_(void *data) {
 129     id object(reinterpret_cast<id>(data));
 130     [object release];
 131     return APR_SUCCESS;
 132 }
 133
 134 id CYPoolRelease_(apr_pool_t *pool, id object) {
 135     if (object == nil)
 136         return nil;
 137     else if (pool == NULL)
 138         return [object autorelease];
 139     else {
 140         apr_pool_cleanup_register(pool, object, &CYPoolRelease_, &apr_pool_cleanup_null);
 141         return object;
 142     }
 143 }
 144
 145 template <typename Type_>
 146 Type_ CYPoolRelease(apr_pool_t *pool, Type_ object) {
 147     return (Type_) CYPoolRelease_(pool, (id) object);
 148 }
 149 /* }}} */
 150 /* Objective-C Strings {{{ */
 151 const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, NSString *value) {
 152     if (pool == NULL)
 153         return [value UTF8String];
 154     else {
 155         size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
 156         char *string(new(pool) char[size]);
 157         if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
 158             throw CYJSError(context, "[NSString getCString:maxLength:encoding:] == NO");
 159         return string;
 160     }
 161 }
 162
 163 JSStringRef CYCopyJSString(JSContextRef context, NSString *value) {
 164 #ifdef __APPLE__
 165     return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));
 166 #else
 167     CYPool pool;
 168     return CYCopyJSString(CYPoolCString(pool, context, value));
 169 #endif
 170 }
 171
 172 JSStringRef CYCopyJSString(JSContextRef context, NSObject *value) {
 173     if (value == nil)
 174         return NULL;
 175     // XXX: this definition scares me; is anyone using this?!
 176     NSString *string([value description]);
 177     return CYCopyJSString(context, string);
 178 }
 179
 180 NSString *CYCopyNSString(const CYUTF8String &value) {
 181 #ifdef __APPLE__
 182     return (NSString *) CFStringCreateWithBytes(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(value.data), value.size, kCFStringEncodingUTF8, true);
 183 #else
 184     return [[NSString alloc] initWithBytes:value.data length:value.size encoding:NSUTF8StringEncoding];
 185 #endif
 186 }
 187
 188 NSString *CYCopyNSString(JSContextRef context, JSStringRef value) {
 189 #ifdef __APPLE__
 190     return (NSString *) JSStringCopyCFString(kCFAllocatorDefault, value);
 191 #else
 192     CYPool pool;
 193     return CYCopyNSString(CYPoolUTF8String(pool, context, value));
 194 #endif
 195 }
 196
 197 NSString *CYCopyNSString(JSContextRef context, JSValueRef value) {
 198     return CYCopyNSString(context, CYJSString(context, value));
 199 }
 200
 201 NSString *CYCastNSString(apr_pool_t *pool, const CYUTF8String &value) {
 202     return CYPoolRelease(pool, CYCopyNSString(value));
 203 }
 204
 205 NSString *CYCastNSString(apr_pool_t *pool, SEL sel) {
 206     const char *name(sel_getName(sel));
 207     return CYPoolRelease(pool, CYCopyNSString(CYUTF8String(name, strlen(name))));
 208 }
 209
 210 NSString *CYCastNSString(apr_pool_t *pool, JSContextRef context, JSStringRef value) {
 211     return CYPoolRelease(pool, CYCopyNSString(context, value));
 212 }
 213
 214 CYUTF8String CYCastUTF8String(NSString *value) {
 215     NSData *data([value dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO]);
 216     return CYUTF8String(reinterpret_cast<const char *>([data bytes]), [data length]);
 217 }
 218 /* }}} */
 219
 220 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value);
 221
 222 void CYThrow(JSContextRef context, NSException *error, JSValueRef *exception) {
 223     if (exception == NULL)
 224         throw error;
 225     *exception = CYCastJSValue(context, error);
 226 }
 227
 228 size_t CYGetIndex(NSString *value) {
 229     return CYGetIndex(CYCastUTF8String(value));
 230 }
 231
 232 bool CYGetOffset(apr_pool_t *pool, JSContextRef context, NSString *value, ssize_t &index) {
 233     return CYGetOffset(CYPoolCString(pool, context, value), index);
 234 }
 235
 236 static JSClassRef Instance_;
 237 static JSClassRef Internal_;
 238 static JSClassRef Message_;
 239 static JSClassRef Messages_;
 240 static JSClassRef Selector_;
 241 static JSClassRef StringInstance_;
 242 static JSClassRef Super_;
 243
 244 static JSClassRef ObjectiveC_Classes_;
 245 static JSClassRef ObjectiveC_Constants_;
 246 static JSClassRef ObjectiveC_Protocols_;
 247
 248 #ifdef __APPLE__
 249 static JSClassRef ObjectiveC_Image_Classes_;
 250 static JSClassRef ObjectiveC_Images_;
 251 #endif
 252
 253 #ifdef __APPLE__
 254 static Class NSCFBoolean_;
 255 static Class NSCFType_;
 256 static Class NSGenericDeallocHandler_;
 257 static Class NSMessageBuilder_;
 258 static Class NSZombie_;
 259 #else
 260 static Class NSBoolNumber_;
 261 #endif
 262
 263 static Class NSArray_;
 264 static Class NSDictionary_;
 265 static Class NSString_;
 266 static Class Object_;
 267
 268 static Type_privateData *Object_type;
 269 static Type_privateData *Selector_type;
 270
 271 Type_privateData *Instance::GetType() const {
 272     return Object_type;
 273 }
 274
 275 Type_privateData *Selector_privateData::GetType() const {
 276     return Selector_type;
 277 }
 278
 279 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception);
 280
 281 JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
 282     if (self == nil)
 283         return CYGetCachedObject(context, CYJSString("Instance_prototype"));
 284
 285     JSObjectRef global(CYGetGlobalObject(context));
 286     JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
 287
 288     char label[32];
 289     sprintf(label, "i%p", self);
 290     CYJSString name(label);
 291
 292     JSValueRef value(CYGetProperty(context, cy, name));
 293     if (!JSValueIsUndefined(context, value))
 294         return value;
 295
 296     JSClassRef _class(NULL);
 297     JSValueRef prototype;
 298
 299     if (self == NSArray_)
 300         prototype = CYGetCachedObject(context, CYJSString("Array_prototype"));
 301     else if (self == NSDictionary_)
 302         prototype = CYGetCachedObject(context, CYJSString("Object_prototype"));
 303     else if (self == NSString_)
 304         prototype = CYGetCachedObject(context, CYJSString("StringInstance_prototype"));
 305     else
 306         prototype = CYGetClassPrototype(context, class_getSuperclass(self));
 307
 308     JSObjectRef object(JSObjectMake(context, _class, NULL));
 309     JSObjectSetPrototype(context, object, prototype);
 310     CYSetProperty(context, cy, name, object);
 311
 312     return object;
 313 }
 314
 315 JSObjectRef Messages::Make(JSContextRef context, Class _class, bool array) {
 316     JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
 317     if (_class == NSArray_)
 318         array = true;
 319     if (Class super = class_getSuperclass(_class))
 320         JSObjectSetPrototype(context, value, Messages::Make(context, super, array));
 321     /*else if (array)
 322         JSObjectSetPrototype(context, value, Array_prototype_);*/
 323     return value;
 324 }
 325
 326 JSObjectRef Internal::Make(JSContextRef context, id object, JSObjectRef owner) {
 327     return JSObjectMake(context, Internal_, new Internal(object, context, owner));
 328 }
 329
 330 namespace cy {
 331 JSObjectRef Super::Make(JSContextRef context, id object, Class _class) {
 332     JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
 333     return value;
 334 } }
 335
 336 JSObjectRef Instance::Make(JSContextRef context, id object, Flags flags) {
 337     JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
 338     JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
 339     return value;
 340 }
 341
 342 Instance::~Instance() {
 343     if ((flags_ & Transient) == 0)
 344         // XXX: does this handle background threads correctly?
 345         // XXX: this simply does not work on the console because I'm stupid
 346         [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
 347 }
 348
 349 struct Message_privateData :
 350     cy::Functor
 351 {
 352     SEL sel_;
 353
 354     Message_privateData(SEL sel, const char *type, IMP value = NULL) :
 355         cy::Functor(type, reinterpret_cast<void (*)()>(value)),
 356         sel_(sel)
 357     {
 358     }
 359 };
 360
 361 JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 362     Instance::Flags flags;
 363
 364     if (transient)
 365         flags = Instance::Transient;
 366     else {
 367         flags = Instance::None;
 368         object = [object retain];
 369     }
 370
 371     return Instance::Make(context, object, flags);
 372 }
 373
 374 @interface NSMethodSignature (Cycript)
 375 - (NSString *) _typeString;
 376 @end
 377
 378 @interface NSObject (Cycript)
 379
 380 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 381 - (JSType) cy$JSType;
 382
 383 - (NSObject *) cy$toJSON:(NSString *)key;
 384 - (NSString *) cy$toCYON;
 385 - (NSString *) cy$toKey;
 386
 387 - (bool) cy$hasProperty:(NSString *)name;
 388 - (NSObject *) cy$getProperty:(NSString *)name;
 389 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value;
 390 - (bool) cy$deleteProperty:(NSString *)name;
 391 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context;
 392
 393 + (bool) cy$hasImplicitProperties;
 394
 395 @end
 396
 397 @protocol Cycript
 398 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 399 @end
 400
 401 NSString *CYCastNSCYON(id value) {
 402     NSString *string;
 403
 404     if (value == nil)
 405         string = @"nil";
 406     else {
 407         Class _class(object_getClass(value));
 408         SEL sel(@selector(cy$toCYON));
 409
 410         if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
 411             string = reinterpret_cast<NSString *(*)(id, SEL)>(method_getImplementation(toCYON))(value, sel);
 412         else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
 413             if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
 414                 string = [value cy$toCYON];
 415             else goto fail;
 416         } else fail: {
 417             if (false);
 418 #ifdef __APPLE__
 419             else if (value == NSZombie_)
 420                 string = @"_NSZombie_";
 421             else if (_class == NSZombie_)
 422                 string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
 423             // XXX: frowny /in/ the pants
 424             else if (value == NSGenericDeallocHandler_ || value == NSMessageBuilder_ || value == Object_)
 425                 string = nil;
 426 #endif
 427             else
 428                 string = [NSString stringWithFormat:@"%@", value];
 429         }
 430
 431         // XXX: frowny pants
 432         if (string == nil)
 433             string = @"undefined";
 434     }
 435
 436     return string;
 437 }
 438
 439 #ifdef __APPLE__
 440 struct PropertyAttributes {
 441     CYPool pool_;
 442
 443     const char *name;
 444
 445     const char *variable;
 446
 447     const char *getter_;
 448     const char *setter_;
 449
 450     bool readonly;
 451     bool copy;
 452     bool retain;
 453     bool nonatomic;
 454     bool dynamic;
 455     bool weak;
 456     bool garbage;
 457
 458     PropertyAttributes(objc_property_t property) :
 459         variable(NULL),
 460         getter_(NULL),
 461         setter_(NULL),
 462         readonly(false),
 463         copy(false),
 464         retain(false),
 465         nonatomic(false),
 466         dynamic(false),
 467         weak(false),
 468         garbage(false)
 469     {
 470         name = property_getName(property);
 471         const char *attributes(property_getAttributes(property));
 472
 473         for (char *state, *token(apr_strtok(apr_pstrdup(pool_, attributes), ",", &state)); token != NULL; token = apr_strtok(NULL, ",", &state)) {
 474             switch (*token) {
 475                 case 'R': readonly = true; break;
 476                 case 'C': copy = true; break;
 477                 case '&': retain = true; break;
 478                 case 'N': nonatomic = true; break;
 479                 case 'G': getter_ = token + 1; break;
 480                 case 'S': setter_ = token + 1; break;
 481                 case 'V': variable = token + 1; break;
 482             }
 483         }
 484
 485         /*if (variable == NULL) {
 486             variable = property_getName(property);
 487             size_t size(strlen(variable));
 488             char *name(new(pool_) char[size + 2]);
 489             name[0] = '_';
 490             memcpy(name + 1, variable, size);
 491             name[size + 1] = '\0';
 492             variable = name;
 493         }*/
 494     }
 495
 496     const char *Getter() {
 497         if (getter_ == NULL)
 498             getter_ = apr_pstrdup(pool_, name);
 499         return getter_;
 500     }
 501
 502     const char *Setter() {
 503         if (setter_ == NULL && !readonly) {
 504             size_t length(strlen(name));
 505
 506             char *temp(new(pool_) char[length + 5]);
 507             temp[0] = 's';
 508             temp[1] = 'e';
 509             temp[2] = 't';
 510
 511             if (length != 0) {
 512                 temp[3] = toupper(name[0]);
 513                 memcpy(temp + 4, name + 1, length - 1);
 514             }
 515
 516             temp[length + 3] = ':';
 517             temp[length + 4] = '\0';
 518             setter_ = temp;
 519         }
 520
 521         return setter_;
 522     }
 523
 524 };
 525 #endif
 526
 527 #ifdef __APPLE__
 528 NSObject *NSCFType$cy$toJSON(id self, SEL sel, NSString *key) {
 529     return [(NSString *) CFCopyDescription((CFTypeRef) self) autorelease];
 530 }
 531 #endif
 532
 533 #ifndef __APPLE__
 534 @interface CYWebUndefined : NSObject {
 535 }
 536
 537 + (CYWebUndefined *) undefined;
 538
 539 @end
 540
 541 @implementation CYWebUndefined
 542
 543 + (CYWebUndefined *) undefined {
 544     static CYWebUndefined *instance_([[CYWebUndefined alloc] init]);
 545     return instance_;
 546 }
 547
 548 @end
 549
 550 #define WebUndefined CYWebUndefined
 551 #endif
 552
 553 /* Bridge: CYJSObject {{{ */
 554 @interface CYJSObject : NSMutableDictionary {
 555     JSObjectRef object_;
 556     JSContextRef context_;
 557 }
 558
 559 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
 560
 561 - (NSObject *) cy$toJSON:(NSString *)key;
 562
 563 - (NSUInteger) count;
 564 - (id) objectForKey:(id)key;
 565 - (NSEnumerator *) keyEnumerator;
 566 - (void) setObject:(id)object forKey:(id)key;
 567 - (void) removeObjectForKey:(id)key;
 568
 569 @end
 570 /* }}} */
 571 /* Bridge: CYJSArray {{{ */
 572 @interface CYJSArray : NSMutableArray {
 573     JSObjectRef object_;
 574     JSContextRef context_;
 575 }
 576
 577 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
 578
 579 - (NSUInteger) count;
 580 - (id) objectAtIndex:(NSUInteger)index;
 581
 582 - (void) addObject:(id)anObject;
 583 - (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
 584 - (void) removeLastObject;
 585 - (void) removeObjectAtIndex:(NSUInteger)index;
 586 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
 587
 588 @end
 589 /* }}} */
 590
 591 NSObject *CYCastNSObject_(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
 592     JSObjectRef Array(CYGetCachedObject(context, Array_s));
 593     JSValueRef exception(NULL);
 594     bool array(JSValueIsInstanceOfConstructor(context, object, Array, &exception));
 595     CYThrow(context, exception);
 596     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
 597     return CYPoolRelease(pool, [value initWithJSObject:object inContext:context]);
 598 }
 599
 600 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
 601     if (!JSValueIsObjectOfClass(context, object, Instance_))
 602         return CYCastNSObject_(pool, context, object);
 603     else {
 604         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 605         return internal->GetValue();
 606     }
 607 }
 608
 609 NSNumber *CYCopyNSNumber(JSContextRef context, JSValueRef value) {
 610     return [[NSNumber alloc] initWithDouble:CYCastDouble(context, value)];
 611 }
 612
 613 #ifndef __APPLE__
 614 @interface NSBoolNumber : NSNumber {
 615 }
 616 @end
 617 #endif
 618
 619 id CYNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value, bool cast) {
 620     id object;
 621     bool copy;
 622
 623     switch (JSType type = JSValueGetType(context, value)) {
 624         case kJSTypeUndefined:
 625             object = [WebUndefined undefined];
 626             copy = false;
 627         break;
 628
 629         case kJSTypeNull:
 630             return NULL;
 631         break;
 632
 633         case kJSTypeBoolean:
 634 #ifdef __APPLE__
 635             object = (id) (CYCastBool(context, value) ? kCFBooleanTrue : kCFBooleanFalse);
 636             copy = false;
 637 #else
 638             object = [[NSBoolNumber alloc] initWithBool:CYCastBool(context, value)];
 639             copy = true;
 640 #endif
 641         break;
 642
 643         case kJSTypeNumber:
 644             object = CYCopyNSNumber(context, value);
 645             copy = true;
 646         break;
 647
 648         case kJSTypeString:
 649             object = CYCopyNSString(context, value);
 650             copy = true;
 651         break;
 652
 653         case kJSTypeObject:
 654             // XXX: this might could be more efficient
 655             object = CYCastNSObject(pool, context, (JSObjectRef) value);
 656             copy = false;
 657         break;
 658
 659         default:
 660             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 661         break;
 662     }
 663
 664     if (cast != copy)
 665         return object;
 666     else if (copy)
 667         return CYPoolRelease(pool, object);
 668     else
 669         return [object retain];
 670 }
 671
 672 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 673     return CYNSObject(pool, context, value, true);
 674 }
 675
 676 NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 677     return CYNSObject(pool, context, value, false);
 678 }
 679
 680 /* Bridge: NSArray {{{ */
 681 @implementation NSArray (Cycript)
 682
 683 - (NSString *) cy$toCYON {
 684     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 685     [json appendString:@"["];
 686
 687     bool comma(false);
 688 #ifdef __APPLE__
 689     for (id object in self) {
 690 #else
 691     for (size_t index(0), count([self count]); index != count; ++index) {
 692         id object([self objectAtIndex:index]);
 693 #endif
 694         if (comma)
 695             [json appendString:@","];
 696         else
 697             comma = true;
 698         if (object == nil || [object cy$JSType] != kJSTypeUndefined)
 699             [json appendString:CYCastNSCYON(object)];
 700         else {
 701             [json appendString:@","];
 702             comma = false;
 703         }
 704     }
 705
 706     [json appendString:@"]"];
 707     return json;
 708 }
 709
 710 - (bool) cy$hasProperty:(NSString *)name {
 711     if ([name isEqualToString:@"length"])
 712         return true;
 713
 714     size_t index(CYGetIndex(name));
 715     if (index == _not(size_t) || index >= [self count])
 716         return [super cy$hasProperty:name];
 717     else
 718         return true;
 719 }
 720
 721 - (NSObject *) cy$getProperty:(NSString *)name {
 722     if ([name isEqualToString:@"length"]) {
 723         NSUInteger count([self count]);
 724 #ifdef __APPLE__
 725         return [NSNumber numberWithUnsignedInteger:count];
 726 #else
 727         return [NSNumber numberWithUnsignedInt:count];
 728 #endif
 729     }
 730
 731     size_t index(CYGetIndex(name));
 732     if (index == _not(size_t) || index >= [self count])
 733         return [super cy$getProperty:name];
 734     else
 735         return [self objectAtIndex:index];
 736 }
 737
 738 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 739     [super cy$getPropertyNames:names inContext:context];
 740
 741     for (size_t index(0), count([self count]); index != count; ++index) {
 742         id object([self objectAtIndex:index]);
 743         if (object == nil || [object cy$JSType] != kJSTypeUndefined) {
 744             char name[32];
 745             sprintf(name, "%zu", index);
 746             JSPropertyNameAccumulatorAddName(names, CYJSString(name));
 747         }
 748     }
 749 }
 750
 751 + (bool) cy$hasImplicitProperties {
 752     return false;
 753 }
 754
 755 @end
 756 /* }}} */
 757 /* Bridge: NSBoolNumber {{{ */
 758 #ifndef __APPLE__
 759 @implementation NSBoolNumber (Cycript)
 760
 761 - (JSType) cy$JSType {
 762     return kJSTypeBoolean;
 763 }
 764
 765 - (NSObject *) cy$toJSON:(NSString *)key {
 766     return self;
 767 }
 768
 769 - (NSString *) cy$toCYON {
 770     return [self boolValue] ? @"true" : @"false";
 771 }
 772
 773 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 774     return CYCastJSValue(context, (bool) [self boolValue]);
 775 } CYObjectiveCatch }
 776
 777 @end
 778 #endif
 779 /* }}} */
 780 /* Bridge: NSDictionary {{{ */
 781 @implementation NSDictionary (Cycript)
 782
 783 - (NSString *) cy$toCYON {
 784     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 785     [json appendString:@"{"];
 786
 787     bool comma(false);
 788 #ifdef __APPLE__
 789     for (NSObject *key in self) {
 790 #else
 791     NSEnumerator *keys([self keyEnumerator]);
 792     while (NSObject *key = [keys nextObject]) {
 793 #endif
 794         if (comma)
 795             [json appendString:@","];
 796         else
 797             comma = true;
 798         [json appendString:[key cy$toKey]];
 799         [json appendString:@":"];
 800         NSObject *object([self objectForKey:key]);
 801         [json appendString:CYCastNSCYON(object)];
 802     }
 803
 804     [json appendString:@"}"];
 805     return json;
 806 }
 807
 808 - (bool) cy$hasProperty:(NSString *)name {
 809     return [self objectForKey:name] != nil;
 810 }
 811
 812 - (NSObject *) cy$getProperty:(NSString *)name {
 813     return [self objectForKey:name];
 814 }
 815
 816 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 817     [super cy$getPropertyNames:names inContext:context];
 818
 819 #ifdef __APPLE__
 820     for (NSObject *key in self) {
 821 #else
 822     NSEnumerator *keys([self keyEnumerator]);
 823     while (NSObject *key = [keys nextObject]) {
 824 #endif
 825         JSPropertyNameAccumulatorAddName(names, CYJSString(context, key));
 826     }
 827 }
 828
 829 + (bool) cy$hasImplicitProperties {
 830     return false;
 831 }
 832
 833 @end
 834 /* }}} */
 835 /* Bridge: NSMutableArray {{{ */
 836 @implementation NSMutableArray (Cycript)
 837
 838 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 839     if ([name isEqualToString:@"length"]) {
 840         // XXX: is this not intelligent?
 841         NSNumber *number(reinterpret_cast<NSNumber *>(value));
 842 #ifdef __APPLE__
 843         NSUInteger size([number unsignedIntegerValue]);
 844 #else
 845         NSUInteger size([number unsignedIntValue]);
 846 #endif
 847         NSUInteger count([self count]);
 848         if (size < count)
 849             [self removeObjectsInRange:NSMakeRange(size, count - size)];
 850         else if (size != count) {
 851             WebUndefined *undefined([WebUndefined undefined]);
 852             for (size_t i(count); i != size; ++i)
 853                 [self addObject:undefined];
 854         }
 855         return true;
 856     }
 857
 858     size_t index(CYGetIndex(name));
 859     if (index == _not(size_t))
 860         return [super cy$setProperty:name to:value];
 861
 862     id object(value ?: [NSNull null]);
 863
 864     size_t count([self count]);
 865     if (index < count)
 866         [self replaceObjectAtIndex:index withObject:object];
 867     else {
 868         if (index != count) {
 869             WebUndefined *undefined([WebUndefined undefined]);
 870             for (size_t i(count); i != index; ++i)
 871                 [self addObject:undefined];
 872         }
 873
 874         [self addObject:object];
 875     }
 876
 877     return true;
 878 }
 879
 880 - (bool) cy$deleteProperty:(NSString *)name {
 881     size_t index(CYGetIndex(name));
 882     if (index == _not(size_t) || index >= [self count])
 883         return [super cy$deleteProperty:name];
 884     [self replaceObjectAtIndex:index withObject:[WebUndefined undefined]];
 885     return true;
 886 }
 887
 888 @end
 889 /* }}} */
 890 /* Bridge: NSMutableDictionary {{{ */
 891 @implementation NSMutableDictionary (Cycript)
 892
 893 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 894     [self setObject:(value ?: [NSNull null]) forKey:name];
 895     return true;
 896 }
 897
 898 - (bool) cy$deleteProperty:(NSString *)name {
 899     if ([self objectForKey:name] == nil)
 900         return false;
 901     else {
 902         [self removeObjectForKey:name];
 903         return true;
 904     }
 905 }
 906
 907 @end
 908 /* }}} */
 909 /* Bridge: NSNumber {{{ */
 910 @implementation NSNumber (Cycript)
 911
 912 - (JSType) cy$JSType {
 913 #ifdef __APPLE__
 914     // XXX: this just seems stupid
 915     if ([self class] == NSCFBoolean_)
 916         return kJSTypeBoolean;
 917 #endif
 918     return kJSTypeNumber;
 919 }
 920
 921 - (NSObject *) cy$toJSON:(NSString *)key {
 922     return self;
 923 }
 924
 925 - (NSString *) cy$toCYON {
 926     return [self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false";
 927 }
 928
 929 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 930     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
 931 } CYObjectiveCatch }
 932
 933 @end
 934 /* }}} */
 935 /* Bridge: NSNull {{{ */
 936 @implementation NSNull (Cycript)
 937
 938 - (JSType) cy$JSType {
 939     return kJSTypeNull;
 940 }
 941
 942 - (NSObject *) cy$toJSON:(NSString *)key {
 943     return self;
 944 }
 945
 946 - (NSString *) cy$toCYON {
 947     return @"null";
 948 }
 949
 950 @end
 951 /* }}} */
 952 /* Bridge: NSObject {{{ */
 953 @implementation NSObject (Cycript)
 954
 955 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 956     return CYMakeInstance(context, self, false);
 957 } CYObjectiveCatch }
 958
 959 - (JSType) cy$JSType {
 960     return kJSTypeObject;
 961 }
 962
 963 - (NSObject *) cy$toJSON:(NSString *)key {
 964     return [self description];
 965 }
 966
 967 - (NSString *) cy$toCYON {
 968     return [[self cy$toJSON:@""] cy$toCYON];
 969 }
 970
 971 - (NSString *) cy$toKey {
 972     return [self cy$toCYON];
 973 }
 974
 975 - (bool) cy$hasProperty:(NSString *)name {
 976     return false;
 977 }
 978
 979 - (NSObject *) cy$getProperty:(NSString *)name {
 980     return nil;
 981 }
 982
 983 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 984     return false;
 985 }
 986
 987 - (bool) cy$deleteProperty:(NSString *)name {
 988     return false;
 989 }
 990
 991 - (void) cy$getPropertyNames:(JSPropertyNameAccumulatorRef)names inContext:(JSContextRef)context {
 992 }
 993
 994 + (bool) cy$hasImplicitProperties {
 995     return true;
 996 }
 997
 998 @end
 999 /* }}} */
1000 /* Bridge: NSProxy {{{ */
1001 @implementation NSProxy (Cycript)
1002
1003 - (NSObject *) cy$toJSON:(NSString *)key {
1004     return [self description];
1005 }
1006
1007 - (NSString *) cy$toCYON {
1008     return [[self cy$toJSON:@""] cy$toCYON];
1009 }
1010
1011 @end
1012 /* }}} */
1013 /* Bridge: NSString {{{ */
1014 @implementation NSString (Cycript)
1015
1016 - (JSType) cy$JSType {
1017     return kJSTypeString;
1018 }
1019
1020 - (NSObject *) cy$toJSON:(NSString *)key {
1021     return self;
1022 }
1023
1024 - (NSString *) cy$toCYON {
1025     std::ostringstream 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$hasImplicitProperties {
1078     return false;
1079 }
1080
1081 @end
1082 /* }}} */
1083 /* Bridge: WebUndefined {{{ */
1084 @implementation WebUndefined (Cycript)
1085
1086 - (JSType) cy$JSType {
1087     return kJSTypeUndefined;
1088 }
1089
1090 - (NSObject *) cy$toJSON:(NSString *)key {
1091     return self;
1092 }
1093
1094 - (NSString *) cy$toCYON {
1095     return @"undefined";
1096 }
1097
1098 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
1099     return CYJSUndefined(context);
1100 } CYObjectiveCatch }
1101
1102 @end
1103 /* }}} */
1104
1105 static bool CYIsClass(id self) {
1106 #ifdef __APPLE__
1107     // XXX: this is a lame object_isClass
1108     return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
1109 #else
1110     return GSObjCIsClass(self);
1111 #endif
1112 }
1113
1114 Class CYCastClass(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1115     id self(CYCastNSObject(pool, context, value));
1116     if (CYIsClass(self))
1117         return (Class) self;
1118     throw CYJSError(context, "got something that is not a Class");
1119     return NULL;
1120 }
1121
1122 NSArray *CYCastNSArray(JSContextRef context, JSPropertyNameArrayRef names) {
1123     CYPool pool;
1124     size_t size(JSPropertyNameArrayGetCount(names));
1125     NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
1126     for (size_t index(0); index != size; ++index)
1127         [array addObject:CYCastNSString(pool, context, JSPropertyNameArrayGetNameAtIndex(names, index))];
1128     return array;
1129 }
1130
1131 JSValueRef CYCastJSValue(JSContextRef context, NSObject *value) { CYPoolTry {
1132     if (value == nil)
1133         return CYJSNull(context);
1134     else if ([value respondsToSelector:@selector(cy$JSValueInContext:)])
1135         return [value cy$JSValueInContext:context];
1136     else
1137         return CYMakeInstance(context, value, false);
1138 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1139
1140 @implementation CYJSObject
1141
1142 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1143     if ((self = [super init]) != nil) {
1144         object_ = object;
1145         context_ = CYGetJSContext(context);
1146         //XXX:JSGlobalContextRetain(context_);
1147         JSValueProtect(context_, object_);
1148     } return self;
1149 } CYObjectiveCatch }
1150
1151 - (void) dealloc { CYObjectiveTry {
1152     JSValueUnprotect(context_, object_);
1153     //XXX:JSGlobalContextRelease(context_);
1154     [super dealloc];
1155 } CYObjectiveCatch }
1156
1157 - (NSObject *) cy$toJSON:(NSString *)key { CYObjectiveTry {
1158     JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_s));
1159     if (!CYIsCallable(context_, toJSON))
1160         return [super cy$toJSON:key];
1161     else {
1162         JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
1163         JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
1164         // XXX: do I really want an NSNull here?!
1165         return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1166     }
1167 } CYObjectiveCatch }
1168
1169 - (NSString *) cy$toCYON { CYObjectiveTry {
1170     CYPool pool;
1171     JSValueRef exception(NULL);
1172     const char *cyon(CYPoolCCYON(pool, context_, object_));
1173     CYThrow(context_, exception);
1174     if (cyon == NULL)
1175         return [super cy$toCYON];
1176     else
1177         return [NSString stringWithUTF8String:cyon];
1178 } CYObjectiveCatch }
1179
1180 - (NSUInteger) count { CYObjectiveTry {
1181     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1182     size_t size(JSPropertyNameArrayGetCount(names));
1183     JSPropertyNameArrayRelease(names);
1184     return size;
1185 } CYObjectiveCatch }
1186
1187 - (id) objectForKey:(id)key { CYObjectiveTry {
1188     JSValueRef value(CYGetProperty(context_, object_, CYJSString(context_, (NSObject *) key)));
1189     if (JSValueIsUndefined(context_, value))
1190         return nil;
1191     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1192 } CYObjectiveCatch }
1193
1194 - (NSEnumerator *) keyEnumerator { CYObjectiveTry {
1195     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1196     NSEnumerator *enumerator([CYCastNSArray(context_, names) objectEnumerator]);
1197     JSPropertyNameArrayRelease(names);
1198     return enumerator;
1199 } CYObjectiveCatch }
1200
1201 - (void) setObject:(id)object forKey:(id)key { CYObjectiveTry {
1202     CYSetProperty(context_, object_, CYJSString(context_, (NSObject *) key), CYCastJSValue(context_, (NSString *) object));
1203 } CYObjectiveCatch }
1204
1205 - (void) removeObjectForKey:(id)key { CYObjectiveTry {
1206     JSValueRef exception(NULL);
1207     (void) JSObjectDeleteProperty(context_, object_, CYJSString(context_, (NSObject *) key), &exception);
1208     CYThrow(context_, exception);
1209 } CYObjectiveCatch }
1210
1211 @end
1212
1213 @implementation CYJSArray
1214
1215 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1216     if ((self = [super init]) != nil) {
1217         object_ = object;
1218         context_ = CYGetJSContext(context);
1219         //XXX:JSGlobalContextRetain(context_);
1220         JSValueProtect(context_, object_);
1221     } return self;
1222 } CYObjectiveCatch }
1223
1224 - (void) dealloc { CYObjectiveTry {
1225     JSValueUnprotect(context_, object_);
1226     //XXX:JSGlobalContextRelease(context_);
1227     [super dealloc];
1228 } CYObjectiveCatch }
1229
1230 - (NSUInteger) count { CYObjectiveTry {
1231     return CYArrayLength(context_, object_);
1232 } CYObjectiveCatch }
1233
1234 - (id) objectAtIndex:(NSUInteger)index { CYObjectiveTry {
1235     size_t bounds([self count]);
1236     if (index >= bounds)
1237         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1238     JSValueRef exception(NULL);
1239     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1240     CYThrow(context_, exception);
1241     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1242 } CYObjectiveCatch }
1243
1244 - (void) addObject:(id)object { CYObjectiveTry {
1245     CYArrayPush(context_, object_, CYCastJSValue(context_, (NSObject *) object));
1246 } CYObjectiveCatch }
1247
1248 - (void) insertObject:(id)object atIndex:(NSUInteger)index { CYObjectiveTry {
1249     size_t bounds([self count] + 1);
1250     if (index >= bounds)
1251         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1252     JSValueRef exception(NULL);
1253     JSValueRef arguments[3];
1254     arguments[0] = CYCastJSValue(context_, index);
1255     arguments[1] = CYCastJSValue(context_, 0);
1256     arguments[2] = CYCastJSValue(context_, (NSObject *) object);
1257     JSObjectRef Array(CYGetCachedObject(context_, CYJSString("Array_prototype")));
1258     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, splice_s)), object_, 3, arguments, &exception);
1259     CYThrow(context_, exception);
1260 } CYObjectiveCatch }
1261
1262 - (void) removeLastObject { CYObjectiveTry {
1263     JSValueRef exception(NULL);
1264     JSObjectRef Array(CYGetCachedObject(context_, CYJSString("Array_prototype")));
1265     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, pop_s)), object_, 0, NULL, &exception);
1266     CYThrow(context_, exception);
1267 } CYObjectiveCatch }
1268
1269 - (void) removeObjectAtIndex:(NSUInteger)index { CYObjectiveTry {
1270     size_t bounds([self count]);
1271     if (index >= bounds)
1272         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1273     JSValueRef exception(NULL);
1274     JSValueRef arguments[2];
1275     arguments[0] = CYCastJSValue(context_, index);
1276     arguments[1] = CYCastJSValue(context_, 1);
1277     JSObjectRef Array(CYGetCachedObject(context_, CYJSString("Array_prototype")));
1278     JSObjectCallAsFunction(context_, CYCastJSObject(context_, CYGetProperty(context_, Array, splice_s)), object_, 2, arguments, &exception);
1279     CYThrow(context_, exception);
1280 } CYObjectiveCatch }
1281
1282 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object { CYObjectiveTry {
1283     size_t bounds([self count]);
1284     if (index >= bounds)
1285         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1286     CYSetProperty(context_, object_, index, CYCastJSValue(context_, (NSObject *) object));
1287 } CYObjectiveCatch }
1288
1289 @end
1290
1291 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
1292 struct CYInternal :
1293     CYData
1294 {
1295     JSObjectRef object_;
1296
1297     CYInternal() :
1298         object_(NULL)
1299     {
1300     }
1301
1302     ~CYInternal() {
1303         // XXX: delete object_? ;(
1304     }
1305
1306     static CYInternal *Get(id self) {
1307         CYInternal *internal(NULL);
1308         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
1309             // XXX: do something epic? ;P
1310         }
1311
1312         return internal;
1313     }
1314
1315     static CYInternal *Set(id self) {
1316         CYInternal *internal(NULL);
1317         if (objc_ivar *ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
1318             if (internal == NULL) {
1319                 internal = new CYInternal();
1320                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
1321             }
1322         } else {
1323             // XXX: do something epic? ;P
1324         }
1325
1326         return internal;
1327     }
1328
1329     bool HasProperty(JSContextRef context, JSStringRef name) {
1330         if (object_ == NULL)
1331             return false;
1332         return JSObjectHasProperty(context, object_, name);
1333     }
1334
1335     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
1336         if (object_ == NULL)
1337             return NULL;
1338         return CYGetProperty(context, object_, name);
1339     }
1340
1341     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
1342         if (object_ == NULL)
1343             object_ = JSObjectMake(context, NULL, NULL);
1344         CYSetProperty(context, object_, name, value);
1345     }
1346 };
1347
1348 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
1349     Selector_privateData *internal(new Selector_privateData(sel));
1350     return JSObjectMake(context, Selector_, internal);
1351 }
1352
1353 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
1354     if (JSValueIsObjectOfClass(context, value, Selector_)) {
1355         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1356         return reinterpret_cast<SEL>(internal->value_);
1357     } else
1358         return CYCastPointer<SEL>(context, value);
1359 }
1360
1361 void *CYObjectiveC_ExecuteStart(JSContextRef context) { CYSadTry {
1362     return (void *) [[NSAutoreleasePool alloc] init];
1363 } CYSadCatch(NULL) }
1364
1365 void CYObjectiveC_ExecuteEnd(JSContextRef context, void *handle) { CYSadTry {
1366     return [(NSAutoreleasePool *) handle release];
1367 } CYSadCatch() }
1368
1369 JSValueRef CYObjectiveC_RuntimeProperty(JSContextRef context, CYUTF8String name) { CYPoolTry {
1370     if (name == "nil")
1371         return Instance::Make(context, nil);
1372     if (Class _class = objc_getClass(name.data))
1373         return CYMakeInstance(context, _class, true);
1374     if (Protocol *protocol = objc_getProtocol(name.data))
1375         return CYMakeInstance(context, protocol, true);
1376     return NULL;
1377 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1378
1379 static void CYObjectiveC_CallFunction(JSContextRef context, ffi_cif *cif, void (*function)(), uint8_t *value, void **values) { CYSadTry {
1380     ffi_call(cif, function, value, values);
1381 } CYSadCatch() }
1382
1383 static bool CYObjectiveC_PoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { CYSadTry {
1384     switch (type->primitive) {
1385         // XXX: do something epic about blocks
1386         case sig::block_P:
1387         case sig::object_P:
1388         case sig::typename_P:
1389             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
1390         break;
1391
1392         case sig::selector_P:
1393             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
1394         break;
1395
1396         default:
1397             return false;
1398     }
1399
1400     return true;
1401 } CYSadCatch(false) }
1402
1403 static JSValueRef CYObjectiveC_FromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) { CYPoolTry {
1404     switch (type->primitive) {
1405         // XXX: do something epic about blocks
1406         case sig::block_P:
1407         case sig::object_P:
1408             if (NSObject *object = *reinterpret_cast<NSObject **>(data)) {
1409                 JSValueRef value(CYCastJSValue(context, object));
1410                 if (initialize)
1411                     [object release];
1412                 return value;
1413             } else goto null;
1414
1415         case sig::typename_P:
1416             return CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
1417
1418         case sig::selector_P:
1419             if (SEL sel = *reinterpret_cast<SEL *>(data))
1420                 return CYMakeSelector(context, sel);
1421             else goto null;
1422
1423         null:
1424             return CYJSNull(context);
1425         default:
1426             return NULL;
1427     }
1428 } CYPoolCatch(NULL) return /*XXX*/ NULL; }
1429
1430 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
1431     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
1432         if (!devoid)
1433             return true;
1434 #if OBJC_API_VERSION >= 2
1435         char type[16];
1436         method_getReturnType(method, type, sizeof(type));
1437 #else
1438         const char *type(method_getTypeEncoding(method));
1439 #endif
1440         if (type[0] != 'v')
1441             return true;
1442     }
1443
1444     // XXX: possibly use a more "awesome" check?
1445     return false;
1446 }
1447
1448 static const char *CYPoolTypeEncoding(apr_pool_t *pool, JSContextRef context, SEL sel, objc_method *method) {
1449     if (method != NULL)
1450         return method_getTypeEncoding(method);
1451
1452     const char *name(sel_getName(sel));
1453     size_t length(strlen(name));
1454
1455     char keyed[length + 2];
1456     keyed[0] = '6';
1457     keyed[length + 1] = '\0';
1458     memcpy(keyed + 1, name, length);
1459
1460     if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1))
1461         return entry->value_;
1462
1463     return NULL;
1464 }
1465
1466 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
1467     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
1468
1469     JSContextRef context(internal->context_);
1470
1471     size_t count(internal->cif_.nargs);
1472     JSValueRef values[count];
1473
1474     for (size_t index(0); index != count; ++index)
1475         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
1476
1477     JSObjectRef _this(CYCastJSObject(context, values[0]));
1478
1479     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
1480     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
1481 }
1482
1483 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
1484     Message_privateData *internal(new Message_privateData(sel, type, imp));
1485     return JSObjectMake(context, Message_, internal);
1486 }
1487
1488 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
1489     JSObjectRef function(CYCastJSObject(context, value));
1490     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
1491     // XXX: see notes in Library.cpp about needing to leak
1492     return reinterpret_cast<IMP>(internal->GetValue());
1493 }
1494
1495 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1496     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1497     Class _class(internal->GetValue());
1498
1499     CYPool pool;
1500     const char *name(CYPoolCString(pool, context, property));
1501
1502     if (SEL sel = sel_getUid(name))
1503         if (class_getInstanceMethod(_class, sel) != NULL)
1504             return true;
1505
1506     return false;
1507 }
1508
1509 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1510     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1511     Class _class(internal->GetValue());
1512
1513     CYPool pool;
1514     const char *name(CYPoolCString(pool, context, property));
1515
1516     if (SEL sel = sel_getUid(name))
1517         if (objc_method *method = class_getInstanceMethod(_class, sel))
1518             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
1519
1520     return NULL;
1521 }
1522
1523 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
1524     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1525     Class _class(internal->GetValue());
1526
1527     CYPool pool;
1528     const char *name(CYPoolCString(pool, context, property));
1529
1530     SEL sel(sel_registerName(name));
1531
1532     objc_method *method(class_getInstanceMethod(_class, sel));
1533
1534     const char *type;
1535     IMP imp;
1536
1537     if (JSValueIsObjectOfClass(context, value, Message_)) {
1538         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1539         type = sig::Unparse(pool, &message->signature_);
1540         imp = reinterpret_cast<IMP>(message->GetValue());
1541     } else {
1542         type = CYPoolTypeEncoding(pool, context, sel, method);
1543         imp = CYMakeMessage(context, value, type);
1544     }
1545
1546     if (method != NULL)
1547         method_setImplementation(method, imp);
1548     else {
1549 #ifdef GNU_RUNTIME
1550         GSMethodList list(GSAllocMethodList(1));
1551         GSAppendMethodToList(list, sel, type, imp, YES);
1552         GSAddMethodList(_class, list, YES);
1553         GSFlushMethodCacheForClass(_class);
1554 #else
1555         class_addMethod(_class, sel, imp, type);
1556 #endif
1557     }
1558
1559     return true;
1560 }
1561
1562 #if 0 && OBJC_API_VERSION < 2
1563 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1564     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1565     Class _class(internal->GetValue());
1566
1567     CYPool pool;
1568     const char *name(CYPoolCString(pool, context, property));
1569
1570     if (SEL sel = sel_getUid(name))
1571         if (objc_method *method = class_getInstanceMethod(_class, sel)) {
1572             objc_method_list list = {NULL, 1, {method}};
1573             class_removeMethods(_class, &list);
1574             return true;
1575         }
1576
1577     return false;
1578 }
1579 #endif
1580
1581 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1582     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1583     Class _class(internal->GetValue());
1584
1585 #if OBJC_API_VERSION >= 2
1586     unsigned int size;
1587     objc_method **data(class_copyMethodList(_class, &size));
1588     for (size_t i(0); i != size; ++i)
1589         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
1590     free(data);
1591 #else
1592     for (objc_method_list *methods(_class->methods); methods != NULL; methods = methods->method_next)
1593         for (int i(0); i != methods->method_count; ++i)
1594             JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(&methods->method_list[i]))));
1595 #endif
1596 }
1597
1598 static bool CYHasImplicitProperties(Class _class) {
1599     // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1600     if (!CYImplements(_class, object_getClass(_class), @selector(cy$hasImplicitProperties), false))
1601         return true;
1602     return [_class cy$hasImplicitProperties];
1603 }
1604
1605 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1606     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1607     id self(internal->GetValue());
1608
1609     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1610         return true;
1611
1612     CYPool pool;
1613     NSString *name(CYCastNSString(pool, context, property));
1614
1615     if (CYInternal *internal = CYInternal::Get(self))
1616         if (internal->HasProperty(context, property))
1617             return true;
1618
1619     Class _class(object_getClass(self));
1620
1621     CYPoolTry {
1622         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1623         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
1624             if ([self cy$hasProperty:name])
1625                 return true;
1626     } CYPoolCatch(false)
1627
1628     const char *string(CYPoolCString(pool, context, name));
1629
1630 #ifdef __APPLE__
1631     if (class_getProperty(_class, string) != NULL)
1632         return true;
1633 #endif
1634
1635     if (CYHasImplicitProperties(_class))
1636         if (SEL sel = sel_getUid(string))
1637             if (CYImplements(self, _class, sel, true))
1638                 return true;
1639
1640     return false;
1641 }
1642
1643 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1644     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1645     id self(internal->GetValue());
1646
1647     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1648         return Internal::Make(context, self, object);
1649
1650     CYPool pool;
1651     NSString *name(CYCastNSString(pool, context, property));
1652
1653     if (CYInternal *internal = CYInternal::Get(self))
1654         if (JSValueRef value = internal->GetProperty(context, property))
1655             return value;
1656
1657     CYPoolTry {
1658         if (NSObject *data = [self cy$getProperty:name])
1659             return CYCastJSValue(context, data);
1660     } CYPoolCatch(NULL)
1661
1662     const char *string(CYPoolCString(pool, context, name));
1663     Class _class(object_getClass(self));
1664
1665 #ifdef __APPLE__
1666     if (objc_property_t property = class_getProperty(_class, string)) {
1667         PropertyAttributes attributes(property);
1668         SEL sel(sel_registerName(attributes.Getter()));
1669         return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1670     }
1671 #endif
1672
1673     if (CYHasImplicitProperties(_class))
1674         if (SEL sel = sel_getUid(string))
1675             if (CYImplements(self, _class, sel, true))
1676                 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1677
1678     return NULL;
1679 } CYCatch }
1680
1681 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1682     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1683     id self(internal->GetValue());
1684
1685     CYPool pool;
1686
1687     NSString *name(CYCastNSString(pool, context, property));
1688     NSObject *data(CYCastNSObject(pool, context, value));
1689
1690     CYPoolTry {
1691         if ([self cy$setProperty:name to:data])
1692             return true;
1693     } CYPoolCatch(NULL)
1694
1695     const char *string(CYPoolCString(pool, context, name));
1696     Class _class(object_getClass(self));
1697
1698 #ifdef __APPLE__
1699     if (objc_property_t property = class_getProperty(_class, string)) {
1700         PropertyAttributes attributes(property);
1701         if (const char *setter = attributes.Setter()) {
1702             SEL sel(sel_registerName(setter));
1703             JSValueRef arguments[1] = {value};
1704             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1705             return true;
1706         }
1707     }
1708 #endif
1709
1710     size_t length(strlen(string));
1711
1712     char set[length + 5];
1713
1714     set[0] = 's';
1715     set[1] = 'e';
1716     set[2] = 't';
1717
1718     if (string[0] != '\0') {
1719         set[3] = toupper(string[0]);
1720         memcpy(set + 4, string + 1, length - 1);
1721     }
1722
1723     set[length + 3] = ':';
1724     set[length + 4] = '\0';
1725
1726     if (SEL sel = sel_getUid(set))
1727         if (CYImplements(self, _class, sel, false)) {
1728             JSValueRef arguments[1] = {value};
1729             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1730         }
1731
1732     if (CYInternal *internal = CYInternal::Set(self)) {
1733         internal->SetProperty(context, property, value);
1734         return true;
1735     }
1736
1737     return false;
1738 } CYCatch }
1739
1740 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1741     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1742     id self(internal->GetValue());
1743
1744     CYPoolTry {
1745         NSString *name(CYCastNSString(NULL, context, property));
1746         return [self cy$deleteProperty:name];
1747     } CYPoolCatch(NULL)
1748 } CYCatch return /*XXX*/ NULL; }
1749
1750 static void Instance_getPropertyNames_message(JSPropertyNameAccumulatorRef names, objc_method *method) {
1751     const char *name(sel_getName(method_getName(method)));
1752     if (strchr(name, ':') != NULL)
1753         return;
1754
1755     const char *type(method_getTypeEncoding(method));
1756     if (type == NULL || *type == '\0' || *type == 'v')
1757         return;
1758
1759     JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1760 }
1761
1762 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1763     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1764     id self(internal->GetValue());
1765
1766     CYPool pool;
1767     Class _class(object_getClass(self));
1768
1769 #ifdef __APPLE__
1770     {
1771         unsigned int size;
1772         objc_property_t *data(class_copyPropertyList(_class, &size));
1773         for (size_t i(0); i != size; ++i)
1774             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
1775         free(data);
1776     }
1777 #endif
1778
1779     if (CYHasImplicitProperties(_class))
1780         for (Class current(_class); current != nil; current = class_getSuperclass(current)) {
1781 #if OBJC_API_VERSION >= 2
1782             unsigned int size;
1783             objc_method **data(class_copyMethodList(current, &size));
1784             for (size_t i(0); i != size; ++i)
1785                 Instance_getPropertyNames_message(names, data[i]);
1786             free(data);
1787 #else
1788             for (objc_method_list *methods(current->methods); methods != NULL; methods = methods->method_next)
1789                 for (int i(0); i != methods->method_count; ++i)
1790                     Instance_getPropertyNames_message(names, &methods->method_list[i]);
1791 #endif
1792         }
1793
1794     CYPoolTry {
1795         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1796         if (CYImplements(self, _class, @selector(cy$getPropertyNames:inContext:), false))
1797             [self cy$getPropertyNames:names inContext:context];
1798     } CYPoolCatch()
1799 }
1800
1801 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1802     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1803     JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
1804     return value;
1805 } CYCatch }
1806
1807 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) { CYTry {
1808     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
1809     Class _class(internal->GetValue());
1810     if (!CYIsClass(_class))
1811         return false;
1812
1813     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
1814         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
1815         // XXX: this isn't always safe
1816         return [linternal->GetValue() isKindOfClass:_class];
1817     }
1818
1819     return false;
1820 } CYCatch }
1821
1822 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1823     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1824     CYPool pool;
1825
1826     id self(internal->GetValue());
1827     const char *name(CYPoolCString(pool, context, property));
1828
1829     if (object_getInstanceVariable(self, name, NULL) != NULL)
1830         return true;
1831
1832     return false;
1833 }
1834
1835 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1836     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1837     CYPool pool;
1838
1839     id self(internal->GetValue());
1840     const char *name(CYPoolCString(pool, context, property));
1841
1842     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1843         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1844         // XXX: if this fails and throws an exception the person we are throwing it to gets the wrong exception
1845         return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
1846     }
1847
1848     return NULL;
1849 } CYCatch }
1850
1851 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1852     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1853     CYPool pool;
1854
1855     id self(internal->GetValue());
1856     const char *name(CYPoolCString(pool, context, property));
1857
1858     if (objc_ivar *ivar = object_getInstanceVariable(self, name, NULL)) {
1859         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1860         CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
1861         return true;
1862     }
1863
1864     return false;
1865 } CYCatch }
1866
1867 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
1868     if (Class super = class_getSuperclass(_class))
1869         Internal_getPropertyNames_(super, names);
1870
1871 #if OBJC_API_VERSION >= 2
1872     unsigned int size;
1873     objc_ivar **data(class_copyIvarList(_class, &size));
1874     for (size_t i(0); i != size; ++i)
1875         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
1876     free(data);
1877 #else
1878     if (objc_ivar_list *ivars = _class->ivars)
1879         for (int i(0); i != ivars->ivar_count; ++i)
1880             JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(&ivars->ivar_list[i])));
1881 #endif
1882 }
1883
1884 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1885     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1886     CYPool pool;
1887
1888     id self(internal->GetValue());
1889     Class _class(object_getClass(self));
1890
1891     Internal_getPropertyNames_(_class, names);
1892 }
1893
1894 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1895     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1896     return internal->GetOwner();
1897 }
1898
1899 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1900     CYPool pool;
1901     NSString *name(CYCastNSString(pool, context, property));
1902     if (Class _class = NSClassFromString(name))
1903         return CYMakeInstance(context, _class, true);
1904     return NULL;
1905 } CYCatch }
1906
1907 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1908 #ifdef __APPLE__
1909     size_t size(objc_getClassList(NULL, 0));
1910     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
1911
1912   get:
1913     size_t writ(objc_getClassList(data, size));
1914     if (size < writ) {
1915         size = writ;
1916         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
1917             data = copy;
1918             goto get;
1919         } else goto done;
1920     }
1921
1922     for (size_t i(0); i != writ; ++i)
1923         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
1924
1925   done:
1926     free(data);
1927 #else
1928     void *state(NULL);
1929     while (Class _class = objc_next_class(&state))
1930         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(_class)));
1931 #endif
1932 }
1933
1934 #if OBJC_API_VERSION >= 2
1935 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1936     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1937
1938     CYPool pool;
1939     const char *name(CYPoolCString(pool, context, property));
1940     unsigned int size;
1941     const char **data(objc_copyClassNamesForImage(internal, &size));
1942     JSValueRef value;
1943     for (size_t i(0); i != size; ++i)
1944         if (strcmp(name, data[i]) == 0) {
1945             if (Class _class = objc_getClass(name)) {
1946                 value = CYMakeInstance(context, _class, true);
1947                 goto free;
1948             } else
1949                 break;
1950         }
1951     value = NULL;
1952   free:
1953     free(data);
1954     return value;
1955 } CYCatch }
1956
1957 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1958     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1959     unsigned int size;
1960     const char **data(objc_copyClassNamesForImage(internal, &size));
1961     for (size_t i(0); i != size; ++i)
1962         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1963     free(data);
1964 }
1965
1966 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1967     CYPool pool;
1968     const char *name(CYPoolCString(pool, context, property));
1969     unsigned int size;
1970     const char **data(objc_copyImageNames(&size));
1971     for (size_t i(0); i != size; ++i)
1972         if (strcmp(name, data[i]) == 0) {
1973             name = data[i];
1974             goto free;
1975         }
1976     name = NULL;
1977   free:
1978     free(data);
1979     if (name == NULL)
1980         return NULL;
1981     JSObjectRef value(JSObjectMake(context, NULL, NULL));
1982     CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
1983     return value;
1984 } CYCatch }
1985
1986 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1987     unsigned int size;
1988     const char **data(objc_copyImageNames(&size));
1989     for (size_t i(0); i != size; ++i)
1990         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1991     free(data);
1992 }
1993 #endif
1994
1995 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1996     CYPool pool;
1997     const char *name(CYPoolCString(pool, context, property));
1998     if (Protocol *protocol = objc_getProtocol(name))
1999         return CYMakeInstance(context, protocol, true);
2000     return NULL;
2001 } CYCatch }
2002
2003 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2004 #if OBJC_API_VERSION >= 2
2005     unsigned int size;
2006     Protocol **data(objc_copyProtocolList(&size));
2007     for (size_t i(0); i != size; ++i)
2008         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
2009     free(data);
2010 #else
2011     // XXX: fix this!
2012 #endif
2013 }
2014
2015 static JSValueRef ObjectiveC_Constants_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2016     CYPool pool;
2017     CYUTF8String name(CYPoolUTF8String(pool, context, property));
2018     if (name == "nil")
2019         return Instance::Make(context, nil);
2020     return NULL;
2021 } CYCatch }
2022
2023 static void ObjectiveC_Constants_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2024     JSPropertyNameAccumulatorAddName(names, CYJSString("nil"));
2025 }
2026
2027 #ifdef __APPLE__
2028 static bool stret(ffi_type *ffi_type) {
2029     return ffi_type->type == FFI_TYPE_STRUCT && (
2030         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
2031         struct_forward_array[ffi_type->size] != 0
2032     );
2033 }
2034 #endif
2035
2036 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 {
2037     const char *type;
2038
2039     if (_class == NULL)
2040         _class = object_getClass(self);
2041
2042     IMP imp;
2043
2044     if (objc_method *method = class_getInstanceMethod(_class, _cmd)) {
2045         imp = method_getImplementation(method);
2046         type = method_getTypeEncoding(method);
2047     } else {
2048         imp = NULL;
2049
2050         CYPoolTry {
2051             NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
2052             if (method == nil)
2053                 throw CYJSError(context, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
2054             type = CYPoolCString(pool, context, [method _typeString]);
2055         } CYPoolCatch(NULL)
2056     }
2057
2058     void *setup[2];
2059     setup[0] = &self;
2060     setup[1] = &_cmd;
2061
2062     sig::Signature signature;
2063     sig::Parse(pool, &signature, type, &Structor_);
2064
2065     ffi_cif cif;
2066     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
2067
2068     if (imp == NULL) {
2069 #ifdef __APPLE__
2070         if (stret(cif.rtype))
2071             imp = class_getMethodImplementation_stret(_class, _cmd);
2072         else
2073             imp = class_getMethodImplementation(_class, _cmd);
2074 #else
2075         objc_super super = {self, _class};
2076         imp = objc_msg_lookup_super(&super, _cmd);
2077 #endif
2078     }
2079
2080     void (*function)() = reinterpret_cast<void (*)()>(imp);
2081     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
2082 } CYCatch }
2083
2084 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2085     if (count < 2)
2086         throw CYJSError(context, "too few arguments to objc_msgSend");
2087
2088     CYPool pool;
2089
2090     bool uninitialized;
2091
2092     id self;
2093     SEL _cmd;
2094     Class _class;
2095
2096     if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
2097         cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2098         self = internal->GetValue();
2099         _class = internal->class_;;
2100         uninitialized = false;
2101     } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
2102         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2103         self = internal->GetValue();
2104         _class = nil;
2105         uninitialized = internal->IsUninitialized();
2106         if (uninitialized)
2107             internal->value_ = nil;
2108     } else {
2109         self = CYCastNSObject(pool, context, arguments[0]);
2110         _class = nil;
2111         uninitialized = false;
2112     }
2113
2114     if (self == nil)
2115         return CYJSNull(context);
2116
2117     _cmd = CYCastSEL(context, arguments[1]);
2118
2119     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
2120 } CYCatch }
2121
2122 /* Hook: objc_registerClassPair {{{ */
2123 #if defined(__APPLE__) && defined(__arm__) && 0
2124 // XXX: replace this with associated objects
2125
2126 MSHook(void, CYDealloc, id self, SEL sel) {
2127     CYInternal *internal;
2128     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
2129     if (internal != NULL)
2130         delete internal;
2131     _CYDealloc(self, sel);
2132 }
2133
2134 MSHook(void, objc_registerClassPair, Class _class) {
2135     Class super(class_getSuperclass(_class));
2136     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
2137         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
2138         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
2139     }
2140
2141     _objc_registerClassPair(_class);
2142 }
2143
2144 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2145     if (count != 1)
2146         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2147     CYPool pool;
2148     NSObject *value(CYCastNSObject(pool, context, arguments[0]));
2149     if (value == NULL || !CYIsClass(value))
2150         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
2151     Class _class((Class) value);
2152     $objc_registerClassPair(_class);
2153     return CYJSUndefined(context);
2154 } CYCatch }
2155 #endif
2156 /* }}} */
2157
2158 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2159     JSValueRef setup[count + 2];
2160     setup[0] = _this;
2161     setup[1] = object;
2162     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
2163     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
2164 }
2165
2166 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2167     CYPool pool;
2168     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
2169
2170     // XXX: handle Instance::Uninitialized?
2171     id self(CYCastNSObject(pool, context, _this));
2172
2173     void *setup[2];
2174     setup[0] = &self;
2175     setup[1] = &internal->sel_;
2176
2177     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
2178 }
2179
2180 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2181     if (count != 2)
2182         throw CYJSError(context, "incorrect number of arguments to Super constructor");
2183     CYPool pool;
2184     id self(CYCastNSObject(pool, context, arguments[0]));
2185     Class _class(CYCastClass(pool, context, arguments[1]));
2186     return cy::Super::Make(context, self, _class);
2187 } CYCatch }
2188
2189 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2190     if (count != 1)
2191         throw CYJSError(context, "incorrect number of arguments to Selector constructor");
2192     CYPool pool;
2193     const char *name(CYPoolCString(pool, context, arguments[0]));
2194     return CYMakeSelector(context, sel_registerName(name));
2195 } CYCatch }
2196
2197 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2198     if (count > 1)
2199         throw CYJSError(context, "incorrect number of arguments to Instance constructor");
2200     id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
2201     return CYMakeInstance(context, self, false);
2202 } CYCatch }
2203
2204 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2205     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
2206     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
2207 }
2208
2209 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2210     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
2211     Type_privateData *typical(internal->GetType());
2212
2213     sig::Type *type;
2214     ffi_type *ffi;
2215
2216     if (typical == NULL) {
2217         type = NULL;
2218         ffi = NULL;
2219     } else {
2220         type = typical->type_;
2221         ffi = typical->ffi_;
2222     }
2223
2224     return CYMakePointer(context, &internal->value_, _not(size_t), type, ffi, object);
2225 }
2226
2227 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2228     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2229     return Instance::Make(context, (id) object_getClass(internal->GetValue()));
2230 }
2231
2232 static JSValueRef Instance_getProperty_prototype(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
2233     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2234     id self(internal->GetValue());
2235     if (!CYIsClass(self))
2236         return CYJSUndefined(context);
2237     return CYGetClassPrototype(context, self);
2238 } CYCatch }
2239
2240 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2241     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2242     id self(internal->GetValue());
2243     if (!CYIsClass(self))
2244         return CYJSUndefined(context);
2245     return Messages::Make(context, (Class) self);
2246 }
2247
2248 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2249     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2250         return NULL;
2251
2252     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2253     return CYCastJSValue(context, CYJSString(context, CYCastNSCYON(internal->GetValue())));
2254 } CYCatch }
2255
2256 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2257     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2258         return NULL;
2259
2260     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2261
2262     CYPoolTry {
2263         NSString *key;
2264         if (count == 0)
2265             key = nil;
2266         else
2267             key = CYCastNSString(NULL, context, CYJSString(context, arguments[0]));
2268         // XXX: check for support of cy$toJSON?
2269         return CYCastJSValue(context, CYJSString(context, [internal->GetValue() cy$toJSON:key]));
2270     } CYPoolCatch(NULL)
2271 } CYCatch return /*XXX*/ NULL; }
2272
2273 #if 0
2274 static JSValueRef Instance_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2275     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2276         return NULL;
2277
2278     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2279     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->GetValue()));
2280 } CYCatch return /*XXX*/ NULL; }
2281 #endif
2282
2283 static JSValueRef Instance_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2284     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2285         return NULL;
2286
2287     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2288     // XXX: but... but... THIS ISN'T A POINTER! :(
2289     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->GetValue()));
2290 } CYCatch return /*XXX*/ NULL; }
2291
2292 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2293     if (!JSValueIsObjectOfClass(context, _this, Instance_))
2294         return NULL;
2295
2296     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
2297
2298     id value(internal->GetValue());
2299     if (value == nil)
2300         return CYCastJSValue(context, "nil");
2301
2302     CYPoolTry {
2303         // XXX: this seems like a stupid implementation; what if it crashes? why not use the CYONifier backend?
2304         return CYCastJSValue(context, CYJSString(context, [internal->GetValue() description]));
2305     } CYPoolCatch(NULL)
2306 } CYCatch return /*XXX*/ NULL; }
2307
2308 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2309     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2310     return CYCastJSValue(context, sel_getName(internal->GetValue()));
2311 } CYCatch }
2312
2313 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2314     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
2315 }
2316
2317 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2318     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2319     const char *name(sel_getName(internal->GetValue()));
2320
2321     CYPoolTry {
2322         NSString *string([NSString stringWithFormat:@"@selector(%s)", name]);
2323         return CYCastJSValue(context, CYJSString(context, string));
2324     } CYPoolCatch(NULL)
2325 } CYCatch return /*XXX*/ NULL; }
2326
2327 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2328     if (count != 1)
2329         throw CYJSError(context, "incorrect number of arguments to Selector.type");
2330
2331     CYPool pool;
2332     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2333     SEL sel(internal->GetValue());
2334
2335     objc_method *method;
2336     if (Class _class = CYCastClass(pool, context, arguments[0]))
2337         method = class_getInstanceMethod(_class, sel);
2338     else
2339         method = NULL;
2340
2341     if (const char *type = CYPoolTypeEncoding(pool, context, sel, method))
2342         return CYCastJSValue(context, CYJSString(type));
2343
2344     return CYJSNull(context);
2345 } CYCatch }
2346
2347 static JSStaticValue Selector_staticValues[2] = {
2348     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
2349     {NULL, NULL, NULL, 0}
2350 };
2351
2352 static JSStaticValue Instance_staticValues[5] = {
2353     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2354     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2355     {"prototype", &Instance_getProperty_prototype, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2356     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2357     {NULL, NULL, NULL, 0}
2358 };
2359
2360 static JSStaticFunction Instance_staticFunctions[6] = {
2361     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2362     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2363     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2364     //{"valueOf", &Instance_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2365     {"toPointer", &Instance_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2366     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2367     {NULL, NULL, 0}
2368 };
2369
2370 static JSStaticFunction Internal_staticFunctions[2] = {
2371     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2372     {NULL, NULL, 0}
2373 };
2374
2375 static JSStaticFunction Selector_staticFunctions[5] = {
2376     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2377     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2378     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2379     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2380     {NULL, NULL, 0}
2381 };
2382
2383 static JSStaticFunction StringInstance_staticFunctions[2] = {
2384     //{"valueOf", &Instance_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2385     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2386     {NULL, NULL, 0}
2387 };
2388
2389 void CYObjectiveC_Initialize() { /*XXX*/ JSContextRef context(NULL); CYPoolTry {
2390     apr_pool_t *pool(CYGetGlobalPool());
2391
2392     Object_type = new(pool) Type_privateData("@");
2393     Selector_type = new(pool) Type_privateData(":");
2394
2395 #ifdef __APPLE__
2396     NSCFBoolean_ = objc_getClass("NSCFBoolean");
2397     NSCFType_ = objc_getClass("NSCFType");
2398     NSGenericDeallocHandler_ = objc_getClass("__NSGenericDeallocHandler");
2399     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
2400     NSZombie_ = objc_getClass("_NSZombie_");
2401 #else
2402     NSBoolNumber_ = objc_getClass("NSBoolNumber");
2403 #endif
2404
2405     NSArray_ = objc_getClass("NSArray");
2406     NSDictionary_ = objc_getClass("NSDictionary");
2407     NSString_ = objc_getClass("NSString");
2408     Object_ = objc_getClass("Object");
2409
2410     JSClassDefinition definition;
2411
2412     definition = kJSClassDefinitionEmpty;
2413     definition.className = "Instance";
2414     definition.staticValues = Instance_staticValues;
2415     definition.staticFunctions = Instance_staticFunctions;
2416     definition.hasProperty = &Instance_hasProperty;
2417     definition.getProperty = &Instance_getProperty;
2418     definition.setProperty = &Instance_setProperty;
2419     definition.deleteProperty = &Instance_deleteProperty;
2420     definition.getPropertyNames = &Instance_getPropertyNames;
2421     definition.callAsConstructor = &Instance_callAsConstructor;
2422     definition.hasInstance = &Instance_hasInstance;
2423     definition.finalize = &CYFinalize;
2424     Instance_ = JSClassCreate(&definition);
2425
2426     definition = kJSClassDefinitionEmpty;
2427     definition.className = "Internal";
2428     definition.staticFunctions = Internal_staticFunctions;
2429     definition.hasProperty = &Internal_hasProperty;
2430     definition.getProperty = &Internal_getProperty;
2431     definition.setProperty = &Internal_setProperty;
2432     definition.getPropertyNames = &Internal_getPropertyNames;
2433     definition.finalize = &CYFinalize;
2434     Internal_ = JSClassCreate(&definition);
2435
2436     definition = kJSClassDefinitionEmpty;
2437     definition.className = "Message";
2438     definition.staticFunctions = cy::Functor::StaticFunctions;
2439     definition.callAsFunction = &Message_callAsFunction;
2440     definition.finalize = &CYFinalize;
2441     Message_ = JSClassCreate(&definition);
2442
2443     definition = kJSClassDefinitionEmpty;
2444     definition.className = "Messages";
2445     definition.hasProperty = &Messages_hasProperty;
2446     definition.getProperty = &Messages_getProperty;
2447     definition.setProperty = &Messages_setProperty;
2448 #if 0 && OBJC_API_VERSION < 2
2449     definition.deleteProperty = &Messages_deleteProperty;
2450 #endif
2451     definition.getPropertyNames = &Messages_getPropertyNames;
2452     definition.finalize = &CYFinalize;
2453     Messages_ = JSClassCreate(&definition);
2454
2455     definition = kJSClassDefinitionEmpty;
2456     definition.className = "Selector";
2457     definition.staticValues = Selector_staticValues;
2458     definition.staticFunctions = Selector_staticFunctions;
2459     definition.callAsFunction = &Selector_callAsFunction;
2460     definition.finalize = &CYFinalize;
2461     Selector_ = JSClassCreate(&definition);
2462
2463     definition = kJSClassDefinitionEmpty;
2464     definition.className = "StringInstance";
2465     definition.staticFunctions = StringInstance_staticFunctions;
2466     StringInstance_ = JSClassCreate(&definition);
2467
2468     definition = kJSClassDefinitionEmpty;
2469     definition.className = "Super";
2470     definition.staticFunctions = Internal_staticFunctions;
2471     definition.finalize = &CYFinalize;
2472     Super_ = JSClassCreate(&definition);
2473
2474     definition = kJSClassDefinitionEmpty;
2475     definition.className = "ObjectiveC::Classes";
2476     definition.getProperty = &ObjectiveC_Classes_getProperty;
2477     definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
2478     ObjectiveC_Classes_ = JSClassCreate(&definition);
2479
2480     definition = kJSClassDefinitionEmpty;
2481     definition.className = "ObjectiveC::Constants";
2482     definition.getProperty = &ObjectiveC_Constants_getProperty;
2483     definition.getPropertyNames = &ObjectiveC_Constants_getPropertyNames;
2484     ObjectiveC_Constants_ = JSClassCreate(&definition);
2485
2486 #if OBJC_API_VERSION >= 2
2487     definition = kJSClassDefinitionEmpty;
2488     definition.className = "ObjectiveC::Images";
2489     definition.getProperty = &ObjectiveC_Images_getProperty;
2490     definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
2491     ObjectiveC_Images_ = JSClassCreate(&definition);
2492
2493     definition = kJSClassDefinitionEmpty;
2494     definition.className = "ObjectiveC::Image::Classes";
2495     definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
2496     definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
2497     ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
2498 #endif
2499
2500     definition = kJSClassDefinitionEmpty;
2501     definition.className = "ObjectiveC::Protocols";
2502     definition.getProperty = &ObjectiveC_Protocols_getProperty;
2503     definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
2504     ObjectiveC_Protocols_ = JSClassCreate(&definition);
2505
2506 #if defined(__APPLE__) && defined(__arm__) && 0
2507     MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
2508 #endif
2509
2510 #ifdef __APPLE__
2511     class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
2512 #endif
2513 } CYPoolCatch() }
2514
2515 void CYObjectiveC_SetupContext(JSContextRef context) { CYPoolTry {
2516     JSObjectRef global(CYGetGlobalObject(context));
2517     JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
2518     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
2519     JSObjectRef all(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("all"))));
2520     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
2521
2522     JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
2523     CYSetProperty(context, cycript, CYJSString("ObjectiveC"), ObjectiveC);
2524
2525     JSObjectRef protocols(JSObjectMake(context, ObjectiveC_Protocols_, NULL));
2526     CYSetProperty(context, ObjectiveC, CYJSString("protocols"), protocols);
2527     CYArrayPush(context, alls, protocols);
2528
2529     JSObjectRef classes(JSObjectMake(context, ObjectiveC_Classes_, NULL));
2530     CYSetProperty(context, ObjectiveC, CYJSString("classes"), classes);
2531     CYArrayPush(context, alls, classes);
2532
2533     JSObjectRef constants(JSObjectMake(context, ObjectiveC_Constants_, NULL));
2534     CYSetProperty(context, ObjectiveC, CYJSString("constants"), constants);
2535     CYArrayPush(context, alls, constants);
2536
2537 #if OBJC_API_VERSION >= 2
2538     CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
2539 #endif
2540
2541     JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
2542     JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
2543     JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
2544     JSObjectRef StringInstance(JSObjectMakeConstructor(context, StringInstance_, NULL));
2545     JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
2546
2547     JSObjectRef Instance_prototype(CYCastJSObject(context, CYGetProperty(context, Instance, prototype_s)));
2548     CYSetProperty(context, cy, CYJSString("Instance_prototype"), Instance_prototype);
2549
2550     JSObjectRef StringInstance_prototype(CYCastJSObject(context, CYGetProperty(context, StringInstance, prototype_s)));
2551     CYSetProperty(context, cy, CYJSString("StringInstance_prototype"), StringInstance_prototype);
2552
2553     JSObjectRef String_prototype(CYGetCachedObject(context, CYJSString("String_prototype")));
2554     JSObjectSetPrototype(context, StringInstance_prototype, String_prototype);
2555
2556     CYSetProperty(context, cycript, CYJSString("Instance"), Instance);
2557     CYSetProperty(context, cycript, CYJSString("Selector"), Selector);
2558     CYSetProperty(context, cycript, CYJSString("Super"), Super);
2559
2560 #if defined(__APPLE__) && defined(__arm__) && 0
2561     CYSetProperty(context, all, CYJSString("objc_registerClassPair"), &objc_registerClassPair_, kJSPropertyAttributeDontEnum);
2562 #endif
2563
2564     CYSetProperty(context, all, CYJSString("objc_msgSend"), &$objc_msgSend, kJSPropertyAttributeDontEnum);
2565
2566     JSObjectRef Function_prototype(CYGetCachedObject(context, CYJSString("Function_prototype")));
2567     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Message, prototype_s)), Function_prototype);
2568     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Selector, prototype_s)), Function_prototype);
2569 } CYPoolCatch() }
2570
2571 static CYHooks CYObjectiveCHooks = {
2572     &CYObjectiveC_ExecuteStart,
2573     &CYObjectiveC_ExecuteEnd,
2574     &CYObjectiveC_CallFunction,
2575     &CYObjectiveC_Initialize,
2576     &CYObjectiveC_SetupContext,
2577     &CYObjectiveC_PoolFFI,
2578     &CYObjectiveC_FromFFI,
2579 };
2580
2581 struct CYObjectiveC {
2582     CYObjectiveC() {
2583         hooks_ = &CYObjectiveCHooks;
2584         // XXX: evil magic juju to make this actually take effect on a Mac when compiled with autoconf/libtool doom!
2585         _assert(hooks_ != NULL);
2586     }
2587 } CYObjectiveC;