ObjectiveC/Library.mm

   1 #include <substrate.h>
   2
   3 #include "ObjectiveC/Internal.hpp"
   4 #include "Struct.hpp"
   5
   6 #include <Foundation/Foundation.h>
   7
   8 #include "cycript.hpp"
   9
  10 #include "ObjectiveC/Internal.hpp"
  11
  12 #ifdef __APPLE__
  13 #include <CoreFoundation/CoreFoundation.h>
  14 #include <CoreFoundation/CFLogUtilities.h>
  15 #include <JavaScriptCore/JSStringRefCF.h>
  16 #include <WebKit/WebScriptObject.h>
  17 #endif
  18
  19 #include "Error.hpp"
  20 #include "JavaScript.hpp"
  21 #include "String.hpp"
  22
  23 #include <map>
  24
  25 #define CYObjectiveTry_(context) { \
  26     JSContextRef context_(context); \
  27     try
  28 #define CYObjectiveTry { \
  29     try
  30 #define CYObjectiveCatch \
  31     catch (const CYException &error) { \
  32         @throw CYCastNSObject(NULL, context_, error.CastJSValue(context_)); \
  33     } \
  34 }
  35
  36 #define CYPoolTry { \
  37     id _saved(nil); \
  38     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
  39     @try
  40 #define CYPoolCatch(value) \
  41     @catch (NSException *error) { \
  42         _saved = [error retain]; \
  43         throw CYJSError(context, CYCastJSValue(context, error)); \
  44         return value; \
  45     } @finally { \
  46         [_pool release]; \
  47         if (_saved != nil) \
  48             [_saved autorelease]; \
  49     } \
  50 }
  51
  52 #ifndef __APPLE__
  53 #define class_getSuperclass GSObjCSuper
  54 #define object_getClass GSObjCClass
  55 #endif
  56
  57 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class super, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception);
  58
  59 extern sqlite3 *Bridge_;
  60
  61 /* Objective-C Pool Release {{{ */
  62 apr_status_t CYPoolRelease_(void *data) {
  63     id object(reinterpret_cast<id>(data));
  64     [object release];
  65     return APR_SUCCESS;
  66 }
  67
  68 id CYPoolRelease_(apr_pool_t *pool, id object) {
  69     if (object == nil)
  70         return nil;
  71     else if (pool == NULL)
  72         return [object autorelease];
  73     else {
  74         apr_pool_cleanup_register(pool, object, &CYPoolRelease_, &apr_pool_cleanup_null);
  75         return object;
  76     }
  77 }
  78
  79 template <typename Type_>
  80 Type_ CYPoolRelease(apr_pool_t *pool, Type_ object) {
  81     return (Type_) CYPoolRelease_(pool, (id) object);
  82 }
  83 /* }}} */
  84 /* Objective-C Strings {{{ */
  85 const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, NSString *value) {
  86     if (pool == NULL)
  87         return [value UTF8String];
  88     else {
  89         size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
  90         char *string(new(pool) char[size]);
  91         if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
  92             throw CYJSError(context, "[NSString getCString:maxLength:encoding:] == NO");
  93         return string;
  94     }
  95 }
  96
  97 JSStringRef CYCopyJSString_(NSString *value) {
  98 #ifdef __APPLE__
  99     return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));
 100 #else
 101     CYPool pool;
 102     return CYCopyJSString(CYPoolCString(pool, value));
 103 #endif
 104 }
 105
 106 JSStringRef CYCopyJSString(id value) {
 107     if (value == nil)
 108         return NULL;
 109     // XXX: this definition scares me; is anyone using this?!
 110     NSString *string([value description]);
 111     return CYCopyJSString_(string);
 112 }
 113
 114 NSString *CYCopyNSString(const CYUTF8String &value) {
 115 #ifdef __APPLE__
 116     return (NSString *) CFStringCreateWithBytes(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(value.data), value.size, kCFStringEncodingUTF8, true);
 117 #else
 118     return [[NSString alloc] initWithBytes:value.data length:value.size encoding:NSUTF8StringEncoding];
 119 #endif
 120 }
 121
 122 NSString *CYCopyNSString(JSStringRef value) {
 123 #ifdef __APPLE__
 124     return (NSString *) JSStringCopyCFString(kCFAllocatorDefault, value);
 125 #else
 126     return CYCopyNSString(CYCastCString_(value));
 127 #endif
 128 }
 129
 130 NSString *CYCopyNSString(JSContextRef context, JSValueRef value) {
 131     return CYCopyNSString(CYJSString(context, value));
 132 }
 133
 134 NSString *CYCastNSString(apr_pool_t *pool, const CYUTF8String &value) {
 135     return CYPoolRelease(pool, CYCopyNSString(value));
 136 }
 137
 138 NSString *CYCastNSString(apr_pool_t *pool, SEL sel) {
 139     const char *name(sel_getName(sel));
 140     return CYPoolRelease(pool, CYCopyNSString(CYUTF8String(name, strlen(name))));
 141 }
 142
 143 NSString *CYCastNSString(apr_pool_t *pool, JSStringRef value) {
 144     return CYPoolRelease(pool, CYCopyNSString(value));
 145 }
 146
 147 CYUTF8String CYCastUTF8String(NSString *value) {
 148     NSData *data([value dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO]);
 149     return CYUTF8String(reinterpret_cast<const char *>([data bytes]), [data length]);
 150 }
 151 /* }}} */
 152
 153 void CYThrow(JSContextRef context, NSException *error, JSValueRef *exception) {
 154     if (exception == NULL)
 155         throw error;
 156     *exception = CYCastJSValue(context, error);
 157 }
 158
 159 size_t CYGetIndex(NSString *value) {
 160     return CYGetIndex(CYCastUTF8String(value));
 161 }
 162
 163 bool CYGetOffset(apr_pool_t *pool, JSContextRef context, NSString *value, ssize_t &index) {
 164     return CYGetOffset(CYPoolCString(pool, context, value), index);
 165 }
 166
 167 static JSClassRef Instance_;
 168 static JSClassRef Internal_;
 169 static JSClassRef Message_;
 170 static JSClassRef Messages_;
 171 static JSClassRef Selector_;
 172 static JSClassRef Super_;
 173
 174 static JSClassRef ObjectiveC_Classes_;
 175 static JSClassRef ObjectiveC_Image_Classes_;
 176 static JSClassRef ObjectiveC_Images_;
 177 static JSClassRef ObjectiveC_Protocols_;
 178
 179 static JSObjectRef Instance_prototype_;
 180
 181 #ifdef __APPLE__
 182 static Class NSCFBoolean_;
 183 static Class NSCFType_;
 184 #endif
 185
 186 static Class NSArray_;
 187 static Class NSDictionary_;
 188 static Class NSMessageBuilder_;
 189 static Class NSZombie_;
 190 static Class Object_;
 191
 192 static Type_privateData *Object_type;
 193 static Type_privateData *Selector_type;
 194
 195 Type_privateData *Instance::GetType() const {
 196     return Object_type;
 197 }
 198
 199 Type_privateData *Selector_privateData::GetType() const {
 200     return Selector_type;
 201 }
 202
 203 // XXX: trick this out with associated objects!
 204 JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
 205     if (self == nil)
 206         return Instance_prototype_;
 207
 208     // XXX: I need to think through multi-context
 209     typedef std::map<id, JSValueRef> CacheMap;
 210     static CacheMap cache_;
 211
 212     JSValueRef &value(cache_[self]);
 213     if (value != NULL)
 214         return value;
 215
 216     JSClassRef _class(NULL);
 217     JSValueRef prototype;
 218
 219     if (self == NSArray_)
 220         prototype = Array_prototype_;
 221     else if (self == NSDictionary_)
 222         prototype = Object_prototype_;
 223     else
 224         prototype = CYGetClassPrototype(context, class_getSuperclass(self));
 225
 226     JSObjectRef object(JSObjectMake(context, _class, NULL));
 227     JSObjectSetPrototype(context, object, prototype);
 228
 229     JSValueProtect(context, object);
 230     value = object;
 231     return object;
 232 }
 233
 234 JSObjectRef Messages::Make(JSContextRef context, Class _class, bool array) {
 235     JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
 236     if (_class == NSArray_)
 237         array = true;
 238     if (Class super = class_getSuperclass(_class))
 239         JSObjectSetPrototype(context, value, Messages::Make(context, super, array));
 240     /*else if (array)
 241         JSObjectSetPrototype(context, value, Array_prototype_);*/
 242     return value;
 243 }
 244
 245 JSObjectRef Internal::Make(JSContextRef context, id object, JSObjectRef owner) {
 246     return JSObjectMake(context, Internal_, new Internal(object, context, owner));
 247 }
 248
 249 namespace cy {
 250 JSObjectRef Super::Make(JSContextRef context, id object, Class _class) {
 251     JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
 252     return value;
 253 } }
 254
 255 JSObjectRef Instance::Make(JSContextRef context, id object, Flags flags) {
 256     JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
 257     JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
 258     return value;
 259 }
 260
 261 Instance::~Instance() {
 262     if ((flags_ & Transient) == 0)
 263         // XXX: does this handle background threads correctly?
 264         // XXX: this simply does not work on the console because I'm stupid
 265         [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
 266 }
 267
 268 struct Message_privateData :
 269     cy::Functor
 270 {
 271     SEL sel_;
 272
 273     Message_privateData(SEL sel, const char *type, IMP value = NULL) :
 274         cy::Functor(type, reinterpret_cast<void (*)()>(value)),
 275         sel_(sel)
 276     {
 277     }
 278 };
 279
 280 JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 281     Instance::Flags flags;
 282
 283     if (transient)
 284         flags = Instance::Transient;
 285     else {
 286         flags = Instance::None;
 287         object = [object retain];
 288     }
 289
 290     return Instance::Make(context, object, flags);
 291 }
 292
 293 @interface NSMethodSignature (Cycript)
 294 - (NSString *) _typeString;
 295 @end
 296
 297 @interface NSObject (Cycript)
 298
 299 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 300 - (JSType) cy$JSType;
 301
 302 - (NSObject *) cy$toJSON:(NSString *)key;
 303 - (NSString *) cy$toCYON;
 304 - (NSString *) cy$toKey;
 305
 306 - (bool) cy$hasProperty:(NSString *)name;
 307 - (NSObject *) cy$getProperty:(NSString *)name;
 308 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value;
 309 - (bool) cy$deleteProperty:(NSString *)name;
 310
 311 @end
 312
 313 @protocol Cycript
 314 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 315 @end
 316
 317 NSString *CYCastNSCYON(id value) {
 318     NSString *string;
 319
 320     if (value == nil)
 321         string = @"nil";
 322     else {
 323         Class _class(object_getClass(value));
 324         SEL sel(@selector(cy$toCYON));
 325
 326         if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
 327             string = reinterpret_cast<NSString *(*)(id, SEL)>(method_getImplementation(toCYON))(value, sel);
 328         else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
 329             if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
 330                 string = [value cy$toCYON];
 331             else goto fail;
 332         } else fail: {
 333             if (value == NSZombie_)
 334                 string = @"_NSZombie_";
 335             else if (_class == NSZombie_)
 336                 string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
 337             // XXX: frowny /in/ the pants
 338             else if (value == NSMessageBuilder_ || value == Object_)
 339                 string = nil;
 340             else
 341                 string = [NSString stringWithFormat:@"%@", value];
 342         }
 343
 344         // XXX: frowny pants
 345         if (string == nil)
 346             string = @"undefined";
 347     }
 348
 349     return string;
 350 }
 351
 352 #ifdef __APPLE__
 353 struct PropertyAttributes {
 354     CYPool pool_;
 355
 356     const char *name;
 357
 358     const char *variable;
 359
 360     const char *getter_;
 361     const char *setter_;
 362
 363     bool readonly;
 364     bool copy;
 365     bool retain;
 366     bool nonatomic;
 367     bool dynamic;
 368     bool weak;
 369     bool garbage;
 370
 371     PropertyAttributes(objc_property_t property) :
 372         variable(NULL),
 373         getter_(NULL),
 374         setter_(NULL),
 375         readonly(false),
 376         copy(false),
 377         retain(false),
 378         nonatomic(false),
 379         dynamic(false),
 380         weak(false),
 381         garbage(false)
 382     {
 383         name = property_getName(property);
 384         const char *attributes(property_getAttributes(property));
 385
 386         for (char *state, *token(apr_strtok(apr_pstrdup(pool_, attributes), ",", &state)); token != NULL; token = apr_strtok(NULL, ",", &state)) {
 387             switch (*token) {
 388                 case 'R': readonly = true; break;
 389                 case 'C': copy = true; break;
 390                 case '&': retain = true; break;
 391                 case 'N': nonatomic = true; break;
 392                 case 'G': getter_ = token + 1; break;
 393                 case 'S': setter_ = token + 1; break;
 394                 case 'V': variable = token + 1; break;
 395             }
 396         }
 397
 398         /*if (variable == NULL) {
 399             variable = property_getName(property);
 400             size_t size(strlen(variable));
 401             char *name(new(pool_) char[size + 2]);
 402             name[0] = '_';
 403             memcpy(name + 1, variable, size);
 404             name[size + 1] = '\0';
 405             variable = name;
 406         }*/
 407     }
 408
 409     const char *Getter() {
 410         if (getter_ == NULL)
 411             getter_ = apr_pstrdup(pool_, name);
 412         return getter_;
 413     }
 414
 415     const char *Setter() {
 416         if (setter_ == NULL && !readonly) {
 417             size_t length(strlen(name));
 418
 419             char *temp(new(pool_) char[length + 5]);
 420             temp[0] = 's';
 421             temp[1] = 'e';
 422             temp[2] = 't';
 423
 424             if (length != 0) {
 425                 temp[3] = toupper(name[0]);
 426                 memcpy(temp + 4, name + 1, length - 1);
 427             }
 428
 429             temp[length + 3] = ':';
 430             temp[length + 4] = '\0';
 431             setter_ = temp;
 432         }
 433
 434         return setter_;
 435     }
 436
 437 };
 438 #endif
 439
 440 #ifdef __APPLE__
 441 NSObject *NSCFType$cy$toJSON(id self, SEL sel, NSString *key) {
 442     return [(NSString *) CFCopyDescription((CFTypeRef) self) autorelease];
 443 }
 444 #endif
 445
 446 #ifndef __APPLE__
 447 @interface CYWebUndefined : NSObject {
 448 }
 449
 450 + (CYWebUndefined *) undefined;
 451
 452 @end
 453
 454 @implementation CYWebUndefined
 455
 456 + (CYWebUndefined *) undefined {
 457     static CYWebUndefined *instance_([[CYWebUndefined alloc] init]);
 458     return instance_;
 459 }
 460
 461 @end
 462
 463 #define WebUndefined CYWebUndefined
 464 #endif
 465
 466 /* Bridge: CYJSObject {{{ */
 467 @interface CYJSObject : NSMutableDictionary {
 468     JSObjectRef object_;
 469     JSContextRef context_;
 470 }
 471
 472 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
 473
 474 - (NSObject *) cy$toJSON:(NSString *)key;
 475
 476 - (NSUInteger) count;
 477 - (id) objectForKey:(id)key;
 478 - (NSEnumerator *) keyEnumerator;
 479 - (void) setObject:(id)object forKey:(id)key;
 480 - (void) removeObjectForKey:(id)key;
 481
 482 @end
 483 /* }}} */
 484 /* Bridge: CYJSArray {{{ */
 485 @interface CYJSArray : NSMutableArray {
 486     JSObjectRef object_;
 487     JSContextRef context_;
 488 }
 489
 490 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
 491
 492 - (NSUInteger) count;
 493 - (id) objectAtIndex:(NSUInteger)index;
 494
 495 - (void) addObject:(id)anObject;
 496 - (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
 497 - (void) removeLastObject;
 498 - (void) removeObjectAtIndex:(NSUInteger)index;
 499 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
 500
 501 @end
 502 /* }}} */
 503
 504 NSObject *CYCastNSObject_(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
 505     JSValueRef exception(NULL);
 506     bool array(JSValueIsInstanceOfConstructor(context, object, Array_, &exception));
 507     CYThrow(context, exception);
 508     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
 509     return CYPoolRelease(pool, [value initWithJSObject:object inContext:context]);
 510 }
 511
 512 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
 513     if (!JSValueIsObjectOfClass(context, object, Instance_))
 514         return CYCastNSObject_(pool, context, object);
 515     else {
 516         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
 517         return internal->GetValue();
 518     }
 519 }
 520
 521 NSNumber *CYCopyNSNumber(JSContextRef context, JSValueRef value) {
 522     return [[NSNumber alloc] initWithDouble:CYCastDouble(context, value)];
 523 }
 524
 525 id CYNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value, bool cast) {
 526     id object;
 527     bool copy;
 528
 529     switch (JSType type = JSValueGetType(context, value)) {
 530         case kJSTypeUndefined:
 531             object = [WebUndefined undefined];
 532             copy = false;
 533         break;
 534
 535         case kJSTypeNull:
 536             return NULL;
 537         break;
 538
 539         case kJSTypeBoolean:
 540 #ifdef __APPLE__
 541             object = (id) (CYCastBool(context, value) ? kCFBooleanTrue : kCFBooleanFalse);
 542             copy = false;
 543 #else
 544             object = [[NSNumber alloc] initWithBool:CYCastBool(context, value)];
 545             copy = true;
 546 #endif
 547         break;
 548
 549         case kJSTypeNumber:
 550             object = CYCopyNSNumber(context, value);
 551             copy = true;
 552         break;
 553
 554         case kJSTypeString:
 555             object = CYCopyNSString(context, value);
 556             copy = true;
 557         break;
 558
 559         case kJSTypeObject:
 560             // XXX: this might could be more efficient
 561             object = CYCastNSObject(pool, context, (JSObjectRef) value);
 562             copy = false;
 563         break;
 564
 565         default:
 566             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 567         break;
 568     }
 569
 570     if (cast != copy)
 571         return object;
 572     else if (copy)
 573         return CYPoolRelease(pool, object);
 574     else
 575         return [object retain];
 576 }
 577
 578 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 579     return CYNSObject(pool, context, value, true);
 580 }
 581
 582 NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 583     return CYNSObject(pool, context, value, false);
 584 }
 585
 586 /* Bridge: NSArray {{{ */
 587 @implementation NSArray (Cycript)
 588
 589 - (NSString *) cy$toCYON {
 590     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 591     [json appendString:@"["];
 592
 593     bool comma(false);
 594 #ifdef __APPLE__
 595     for (id object in self) {
 596 #else
 597     for (size_t index(0), count([self count]); index != count; ++index) {
 598         id object([self objectAtIndex:index]);
 599 #endif
 600         if (comma)
 601             [json appendString:@","];
 602         else
 603             comma = true;
 604         if (object == nil || [object cy$JSType] != kJSTypeUndefined)
 605             [json appendString:CYCastNSCYON(object)];
 606         else {
 607             [json appendString:@","];
 608             comma = false;
 609         }
 610     }
 611
 612     [json appendString:@"]"];
 613     return json;
 614 }
 615
 616 - (bool) cy$hasProperty:(NSString *)name {
 617     if ([name isEqualToString:@"length"])
 618         return true;
 619
 620     size_t index(CYGetIndex(name));
 621     if (index == _not(size_t) || index >= [self count])
 622         return [super cy$hasProperty:name];
 623     else
 624         return true;
 625 }
 626
 627 - (NSObject *) cy$getProperty:(NSString *)name {
 628     if ([name isEqualToString:@"length"]) {
 629         NSUInteger count([self count]);
 630 #ifdef __APPLE__
 631         return [NSNumber numberWithUnsignedInteger:count];
 632 #else
 633         return [NSNumber numberWithUnsignedInt:count];
 634 #endif
 635     }
 636
 637     size_t index(CYGetIndex(name));
 638     if (index == _not(size_t) || index >= [self count])
 639         return [super cy$getProperty:name];
 640     else
 641         return [self objectAtIndex:index];
 642 }
 643
 644 @end
 645 /* }}} */
 646 /* Bridge: NSDictionary {{{ */
 647 @implementation NSDictionary (Cycript)
 648
 649 - (NSString *) cy$toCYON {
 650     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 651     [json appendString:@"{"];
 652
 653     bool comma(false);
 654 #ifdef __APPLE__
 655     for (id key in self) {
 656 #else
 657     NSEnumerator *keys([self keyEnumerator]);
 658     while (id key = [keys nextObject]) {
 659 #endif
 660         if (comma)
 661             [json appendString:@","];
 662         else
 663             comma = true;
 664         [json appendString:[key cy$toKey]];
 665         [json appendString:@":"];
 666         NSObject *object([self objectForKey:key]);
 667         [json appendString:CYCastNSCYON(object)];
 668     }
 669
 670     [json appendString:@"}"];
 671     return json;
 672 }
 673
 674 - (bool) cy$hasProperty:(NSString *)name {
 675     return [self objectForKey:name] != nil;
 676 }
 677
 678 - (NSObject *) cy$getProperty:(NSString *)name {
 679     return [self objectForKey:name];
 680 }
 681
 682 @end
 683 /* }}} */
 684 /* Bridge: NSMutableArray {{{ */
 685 @implementation NSMutableArray (Cycript)
 686
 687 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 688     if ([name isEqualToString:@"length"]) {
 689         // XXX: is this not intelligent?
 690         NSNumber *number(reinterpret_cast<NSNumber *>(value));
 691 #ifdef __APPLE__
 692         NSUInteger size([number unsignedIntegerValue]);
 693 #else
 694         NSUInteger size([number unsignedIntValue]);
 695 #endif
 696         NSUInteger count([self count]);
 697         if (size < count)
 698             [self removeObjectsInRange:NSMakeRange(size, count - size)];
 699         else if (size != count) {
 700             WebUndefined *undefined([WebUndefined undefined]);
 701             for (size_t i(count); i != size; ++i)
 702                 [self addObject:undefined];
 703         }
 704         return true;
 705     }
 706
 707     size_t index(CYGetIndex(name));
 708     if (index == _not(size_t))
 709         return [super cy$setProperty:name to:value];
 710
 711     id object(value ?: [NSNull null]);
 712
 713     size_t count([self count]);
 714     if (index < count)
 715         [self replaceObjectAtIndex:index withObject:object];
 716     else {
 717         if (index != count) {
 718             WebUndefined *undefined([WebUndefined undefined]);
 719             for (size_t i(count); i != index; ++i)
 720                 [self addObject:undefined];
 721         }
 722
 723         [self addObject:object];
 724     }
 725
 726     return true;
 727 }
 728
 729 - (bool) cy$deleteProperty:(NSString *)name {
 730     size_t index(CYGetIndex(name));
 731     if (index == _not(size_t) || index >= [self count])
 732         return [super cy$deleteProperty:name];
 733     [self replaceObjectAtIndex:index withObject:[WebUndefined undefined]];
 734     return true;
 735 }
 736
 737 @end
 738 /* }}} */
 739 /* Bridge: NSMutableDictionary {{{ */
 740 @implementation NSMutableDictionary (Cycript)
 741
 742 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 743     [self setObject:(value ?: [NSNull null]) forKey:name];
 744     return true;
 745 }
 746
 747 - (bool) cy$deleteProperty:(NSString *)name {
 748     if ([self objectForKey:name] == nil)
 749         return false;
 750     else {
 751         [self removeObjectForKey:name];
 752         return true;
 753     }
 754 }
 755
 756 @end
 757 /* }}} */
 758 /* Bridge: NSNumber {{{ */
 759 @implementation NSNumber (Cycript)
 760
 761 - (JSType) cy$JSType {
 762 #ifdef __APPLE__
 763     // XXX: this just seems stupid
 764     if ([self class] == NSCFBoolean_)
 765         return kJSTypeBoolean;
 766 #endif
 767     return kJSTypeNumber;
 768 }
 769
 770 - (NSObject *) cy$toJSON:(NSString *)key {
 771     return self;
 772 }
 773
 774 - (NSString *) cy$toCYON {
 775     return [self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false";
 776 }
 777
 778 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 779     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
 780 } CYObjectiveCatch }
 781
 782 @end
 783 /* }}} */
 784 /* Bridge: NSNull {{{ */
 785 @implementation NSNull (Cycript)
 786
 787 - (JSType) cy$JSType {
 788     return kJSTypeNull;
 789 }
 790
 791 - (NSObject *) cy$toJSON:(NSString *)key {
 792     return self;
 793 }
 794
 795 - (NSString *) cy$toCYON {
 796     return @"null";
 797 }
 798
 799 @end
 800 /* }}} */
 801 /* Bridge: NSObject {{{ */
 802 @implementation NSObject (Cycript)
 803
 804 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 805     return CYMakeInstance(context, self, false);
 806 } CYObjectiveCatch }
 807
 808 - (JSType) cy$JSType {
 809     return kJSTypeObject;
 810 }
 811
 812 - (NSObject *) cy$toJSON:(NSString *)key {
 813     return [self description];
 814 }
 815
 816 - (NSString *) cy$toCYON {
 817     return [[self cy$toJSON:@""] cy$toCYON];
 818 }
 819
 820 - (NSString *) cy$toKey {
 821     return [self cy$toCYON];
 822 }
 823
 824 - (bool) cy$hasProperty:(NSString *)name {
 825     return false;
 826 }
 827
 828 - (NSObject *) cy$getProperty:(NSString *)name {
 829     return nil;
 830 }
 831
 832 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
 833     return false;
 834 }
 835
 836 - (bool) cy$deleteProperty:(NSString *)name {
 837     return false;
 838 }
 839
 840 @end
 841 /* }}} */
 842 /* Bridge: NSProxy {{{ */
 843 @implementation NSProxy (Cycript)
 844
 845 - (NSObject *) cy$toJSON:(NSString *)key {
 846     return [self description];
 847 }
 848
 849 - (NSString *) cy$toCYON {
 850     return [[self cy$toJSON:@""] cy$toCYON];
 851 }
 852
 853 @end
 854 /* }}} */
 855 /* Bridge: NSString {{{ */
 856 @implementation NSString (Cycript)
 857
 858 - (JSType) cy$JSType {
 859     return kJSTypeString;
 860 }
 861
 862 - (NSObject *) cy$toJSON:(NSString *)key {
 863     return self;
 864 }
 865
 866 - (NSString *) cy$toCYON {
 867     std::ostringstream str;
 868     CYUTF8String string(CYCastUTF8String(self));
 869     CYStringify(str, string.data, string.size);
 870     std::string value(str.str());
 871     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
 872 }
 873
 874 - (NSString *) cy$toKey {
 875     if (CYIsKey(CYCastUTF8String(self)))
 876         return self;
 877     return [self cy$toCYON];
 878 }
 879
 880 @end
 881 /* }}} */
 882 /* Bridge: WebUndefined {{{ */
 883 @implementation WebUndefined (Cycript)
 884
 885 - (JSType) cy$JSType {
 886     return kJSTypeUndefined;
 887 }
 888
 889 - (NSObject *) cy$toJSON:(NSString *)key {
 890     return self;
 891 }
 892
 893 - (NSString *) cy$toCYON {
 894     return @"undefined";
 895 }
 896
 897 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context { CYObjectiveTry_(context) {
 898     return CYJSUndefined(context);
 899 } CYObjectiveCatch }
 900
 901 @end
 902 /* }}} */
 903
 904 static bool CYIsClass(id self) {
 905     // XXX: this is a lame object_isClass
 906     return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
 907 }
 908
 909 Class CYCastClass(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 910     id self(CYCastNSObject(pool, context, value));
 911     if (CYIsClass(self))
 912         return (Class) self;
 913     throw CYJSError(context, "got something that is not a Class");
 914     return NULL;
 915 }
 916
 917 NSArray *CYCastNSArray(JSPropertyNameArrayRef names) {
 918     CYPool pool;
 919     size_t size(JSPropertyNameArrayGetCount(names));
 920     NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
 921     for (size_t index(0); index != size; ++index)
 922         [array addObject:CYCastNSString(pool, JSPropertyNameArrayGetNameAtIndex(names, index))];
 923     return array;
 924 }
 925
 926 JSValueRef CYCastJSValue(JSContextRef context, id value) { CYPoolTry {
 927     if (value == nil)
 928         return CYJSNull(context);
 929     else if ([value respondsToSelector:@selector(cy$JSValueInContext:)])
 930         return [value cy$JSValueInContext:context];
 931     else
 932         return CYMakeInstance(context, value, false);
 933 } CYPoolCatch(NULL) }
 934
 935 @implementation CYJSObject
 936
 937 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
 938     if ((self = [super init]) != nil) {
 939         object_ = object;
 940         context_ = context;
 941         JSValueProtect(context_, object_);
 942     } return self;
 943 } CYObjectiveCatch }
 944
 945 - (void) dealloc { CYObjectiveTry {
 946     JSValueUnprotect(context_, object_);
 947     [super dealloc];
 948 } CYObjectiveCatch }
 949
 950 - (NSObject *) cy$toJSON:(NSString *)key { CYObjectiveTry {
 951     JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_));
 952     if (!CYIsCallable(context_, toJSON))
 953         return [super cy$toJSON:key];
 954     else {
 955         JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
 956         JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
 957         // XXX: do I really want an NSNull here?!
 958         return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
 959     }
 960 } CYObjectiveCatch }
 961
 962 - (NSString *) cy$toCYON { CYObjectiveTry {
 963     CYPool pool;
 964     JSValueRef exception(NULL);
 965     const char *cyon(CYPoolCCYON(pool, context_, object_));
 966     CYThrow(context_, exception);
 967     if (cyon == NULL)
 968         return [super cy$toCYON];
 969     else
 970         return [NSString stringWithUTF8String:cyon];
 971 } CYObjectiveCatch }
 972
 973 - (NSUInteger) count { CYObjectiveTry {
 974     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
 975     size_t size(JSPropertyNameArrayGetCount(names));
 976     JSPropertyNameArrayRelease(names);
 977     return size;
 978 } CYObjectiveCatch }
 979
 980 - (id) objectForKey:(id)key { CYObjectiveTry {
 981     JSValueRef value(CYGetProperty(context_, object_, CYJSString(key)));
 982     if (JSValueIsUndefined(context_, value))
 983         return nil;
 984     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
 985 } CYObjectiveCatch }
 986
 987 - (NSEnumerator *) keyEnumerator { CYObjectiveTry {
 988     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
 989     NSEnumerator *enumerator([CYCastNSArray(names) objectEnumerator]);
 990     JSPropertyNameArrayRelease(names);
 991     return enumerator;
 992 } CYObjectiveCatch }
 993
 994 - (void) setObject:(id)object forKey:(id)key { CYObjectiveTry {
 995     CYSetProperty(context_, object_, CYJSString(key), CYCastJSValue(context_, object));
 996 } CYObjectiveCatch }
 997
 998 - (void) removeObjectForKey:(id)key { CYObjectiveTry {
 999     JSValueRef exception(NULL);
1000     (void) JSObjectDeleteProperty(context_, object_, CYJSString(key), &exception);
1001     CYThrow(context_, exception);
1002 } CYObjectiveCatch }
1003
1004 @end
1005
1006 @implementation CYJSArray
1007
1008 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context { CYObjectiveTry {
1009     if ((self = [super init]) != nil) {
1010         object_ = object;
1011         context_ = context;
1012         JSValueProtect(context_, object_);
1013     } return self;
1014 } CYObjectiveCatch }
1015
1016 - (void) dealloc { CYObjectiveTry {
1017     JSValueUnprotect(context_, object_);
1018     [super dealloc];
1019 } CYObjectiveCatch }
1020
1021 - (NSUInteger) count { CYObjectiveTry {
1022     return CYCastDouble(context_, CYGetProperty(context_, object_, length_));
1023 } CYObjectiveCatch }
1024
1025 - (id) objectAtIndex:(NSUInteger)index { CYObjectiveTry {
1026     size_t bounds([self count]);
1027     if (index >= bounds)
1028         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1029     JSValueRef exception(NULL);
1030     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1031     CYThrow(context_, exception);
1032     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1033 } CYObjectiveCatch }
1034
1035 - (void) addObject:(id)object { CYObjectiveTry {
1036     JSValueRef exception(NULL);
1037     JSValueRef arguments[1];
1038     arguments[0] = CYCastJSValue(context_, object);
1039     JSObjectCallAsFunction(context_, Array_push_, object_, 1, arguments, &exception);
1040     CYThrow(context_, exception);
1041 } CYObjectiveCatch }
1042
1043 - (void) insertObject:(id)object atIndex:(NSUInteger)index { CYObjectiveTry {
1044     size_t bounds([self count] + 1);
1045     if (index >= bounds)
1046         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1047     JSValueRef exception(NULL);
1048     JSValueRef arguments[3];
1049     arguments[0] = CYCastJSValue(context_, index);
1050     arguments[1] = CYCastJSValue(context_, 0);
1051     arguments[2] = CYCastJSValue(context_, object);
1052     JSObjectCallAsFunction(context_, Array_splice_, object_, 3, arguments, &exception);
1053     CYThrow(context_, exception);
1054 } CYObjectiveCatch }
1055
1056 - (void) removeLastObject { CYObjectiveTry {
1057     JSValueRef exception(NULL);
1058     JSObjectCallAsFunction(context_, Array_pop_, object_, 0, NULL, &exception);
1059     CYThrow(context_, exception);
1060 } CYObjectiveCatch }
1061
1062 - (void) removeObjectAtIndex:(NSUInteger)index { CYObjectiveTry {
1063     size_t bounds([self count]);
1064     if (index >= bounds)
1065         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1066     JSValueRef exception(NULL);
1067     JSValueRef arguments[2];
1068     arguments[0] = CYCastJSValue(context_, index);
1069     arguments[1] = CYCastJSValue(context_, 1);
1070     JSObjectCallAsFunction(context_, Array_splice_, object_, 2, arguments, &exception);
1071     CYThrow(context_, exception);
1072 } CYObjectiveCatch }
1073
1074 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object { CYObjectiveTry {
1075     size_t bounds([self count]);
1076     if (index >= bounds)
1077         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1078     CYSetProperty(context_, object_, index, CYCastJSValue(context_, object));
1079 } CYObjectiveCatch }
1080
1081 @end
1082
1083 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
1084 struct CYInternal :
1085     CYData
1086 {
1087     JSObjectRef object_;
1088
1089     CYInternal() :
1090         object_(NULL)
1091     {
1092     }
1093
1094     ~CYInternal() {
1095         // XXX: delete object_? ;(
1096     }
1097
1098     static CYInternal *Get(id self) {
1099         CYInternal *internal(NULL);
1100         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
1101             // XXX: do something epic? ;P
1102         }
1103
1104         return internal;
1105     }
1106
1107     static CYInternal *Set(id self) {
1108         CYInternal *internal(NULL);
1109         if (Ivar ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
1110             if (internal == NULL) {
1111                 internal = new CYInternal();
1112                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
1113             }
1114         } else {
1115             // XXX: do something epic? ;P
1116         }
1117
1118         return internal;
1119     }
1120
1121     bool HasProperty(JSContextRef context, JSStringRef name) {
1122         if (object_ == NULL)
1123             return false;
1124         return JSObjectHasProperty(context, object_, name);
1125     }
1126
1127     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
1128         if (object_ == NULL)
1129             return NULL;
1130         return CYGetProperty(context, object_, name);
1131     }
1132
1133     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
1134         if (object_ == NULL)
1135             object_ = JSObjectMake(context, NULL, NULL);
1136         CYSetProperty(context, object_, name, value);
1137     }
1138 };
1139
1140 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
1141     Selector_privateData *internal(new Selector_privateData(sel));
1142     return JSObjectMake(context, Selector_, internal);
1143 }
1144
1145 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
1146     if (JSValueIsObjectOfClass(context, value, Selector_)) {
1147         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1148         return reinterpret_cast<SEL>(internal->value_);
1149     } else
1150         return CYCastPointer<SEL>(context, value);
1151 }
1152
1153 void *CYObjectiveC_ExecuteStart() {
1154     return (void *) [[NSAutoreleasePool alloc] init];
1155 }
1156
1157 void CYObjectiveC_ExecuteEnd(void *handle) {
1158     return [(NSAutoreleasePool *) handle release];
1159 }
1160
1161 JSValueRef CYObjectiveC_RuntimeProperty(JSContextRef context, CYUTF8String name) {
1162     if (name == "nil")
1163         return Instance::Make(context, nil);
1164     if (Class _class = objc_getClass(name.data))
1165         return CYMakeInstance(context, _class, true);
1166     return NULL;
1167 }
1168
1169 static bool CYObjectiveC_PoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) {
1170     switch (type->primitive) {
1171         case sig::object_P:
1172         case sig::typename_P:
1173             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
1174         break;
1175
1176         case sig::selector_P:
1177             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
1178         break;
1179
1180         default:
1181             return false;
1182     }
1183
1184     return true;
1185 }
1186
1187 static JSValueRef CYObjectiveC_FromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) {
1188     switch (type->primitive) {
1189         case sig::object_P:
1190             if (id object = *reinterpret_cast<id *>(data)) {
1191                 JSValueRef value(CYCastJSValue(context, object));
1192                 if (initialize)
1193                     [object release];
1194                 return value;
1195             } else goto null;
1196
1197         case sig::typename_P:
1198             return CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
1199
1200         case sig::selector_P:
1201             if (SEL sel = *reinterpret_cast<SEL *>(data))
1202                 return CYMakeSelector(context, sel);
1203             else goto null;
1204
1205         null:
1206             return CYJSNull(context);
1207         default:
1208             return NULL;
1209     }
1210 }
1211
1212 CYHooks CYObjectiveCHooks = {
1213     &CYObjectiveC_ExecuteStart,
1214     &CYObjectiveC_ExecuteEnd,
1215     &CYObjectiveC_RuntimeProperty,
1216     &CYObjectiveC_PoolFFI,
1217     &CYObjectiveC_FromFFI,
1218 };
1219
1220 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
1221     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
1222         if (!devoid)
1223             return true;
1224         char type[16];
1225         method_getReturnType(method, type, sizeof(type));
1226         if (type[0] != 'v')
1227             return true;
1228     }
1229
1230     // XXX: possibly use a more "awesome" check?
1231     return false;
1232 }
1233
1234 static const char *CYPoolTypeEncoding(apr_pool_t *pool, JSContextRef context, SEL sel, objc_method *method) {
1235     if (method != NULL)
1236         return method_getTypeEncoding(method);
1237
1238     const char *name(sel_getName(sel));
1239
1240     sqlite3_stmt *statement;
1241
1242     _sqlcall(sqlite3_prepare(Bridge_,
1243         "select "
1244             "\"bridge\".\"value\" "
1245         "from \"bridge\" "
1246         "where"
1247             " \"bridge\".\"mode\" = -1 and"
1248             " \"bridge\".\"name\" = ?"
1249         " limit 1"
1250     , -1, &statement, NULL));
1251
1252     _trace();
1253     _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
1254
1255     const char *value;
1256     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
1257     _trace();
1258         value = NULL;}
1259     else {
1260     _trace();
1261         value = sqlite3_column_pooled(pool, statement, 0);
1262         }
1263
1264     _sqlcall(sqlite3_finalize(statement));
1265
1266     if (value != NULL)
1267         return value;
1268 _trace();
1269     return NULL;
1270 }
1271
1272 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
1273     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
1274
1275     JSContextRef context(internal->context_);
1276
1277     size_t count(internal->cif_.nargs);
1278     JSValueRef values[count];
1279
1280     for (size_t index(0); index != count; ++index)
1281         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
1282
1283     JSObjectRef _this(CYCastJSObject(context, values[0]));
1284
1285     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
1286     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
1287 }
1288
1289 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
1290     Message_privateData *internal(new Message_privateData(sel, type, imp));
1291     return JSObjectMake(context, Message_, internal);
1292 }
1293
1294 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
1295     JSObjectRef function(CYCastJSObject(context, value));
1296     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
1297     return reinterpret_cast<IMP>(internal->GetValue());
1298 }
1299
1300 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1301     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1302     Class _class(internal->GetValue());
1303
1304     CYPool pool;
1305     const char *name(CYPoolCString(pool, context, property));
1306
1307     if (SEL sel = sel_getUid(name))
1308         if (class_getInstanceMethod(_class, sel) != NULL)
1309             return true;
1310
1311     return false;
1312 }
1313
1314 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1315     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1316     Class _class(internal->GetValue());
1317
1318     CYPool pool;
1319     const char *name(CYPoolCString(pool, context, property));
1320
1321     if (SEL sel = sel_getUid(name))
1322         if (objc_method *method = class_getInstanceMethod(_class, sel))
1323             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
1324
1325     return NULL;
1326 }
1327
1328 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
1329     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1330     Class _class(internal->GetValue());
1331
1332     CYPool pool;
1333     const char *name(CYPoolCString(pool, context, property));
1334
1335     SEL sel(sel_registerName(name));
1336
1337     objc_method *method(class_getInstanceMethod(_class, sel));
1338
1339     const char *type;
1340     IMP imp;
1341
1342     if (JSValueIsObjectOfClass(context, value, Message_)) {
1343         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1344         type = sig::Unparse(pool, &message->signature_);
1345         imp = reinterpret_cast<IMP>(message->GetValue());
1346     } else {
1347         type = CYPoolTypeEncoding(pool, context, sel, method);
1348         imp = CYMakeMessage(context, value, type);
1349     }
1350
1351     if (method != NULL)
1352         method_setImplementation(method, imp);
1353     else
1354         class_replaceMethod(_class, sel, imp, type);
1355
1356     return true;
1357 }
1358
1359 #if !__OBJC2__
1360 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1361     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1362     Class _class(internal->GetValue());
1363
1364     CYPool pool;
1365     const char *name(CYPoolCString(pool, property));
1366
1367     if (SEL sel = sel_getUid(name))
1368         if (objc_method *method = class_getInstanceMethod(_class, sel)) {
1369             objc_method_list list = {NULL, 1, {method}};
1370             class_removeMethods(_class, &list);
1371             return true;
1372         }
1373
1374     return false;
1375 }
1376 #endif
1377
1378 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1379     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
1380     Class _class(internal->GetValue());
1381
1382     unsigned int size;
1383     objc_method **data(class_copyMethodList(_class, &size));
1384     for (size_t i(0); i != size; ++i)
1385         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
1386     free(data);
1387 }
1388
1389 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1390     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1391     id self(internal->GetValue());
1392
1393     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1394         return true;
1395
1396     CYPool pool;
1397     NSString *name(CYCastNSString(pool, property));
1398
1399     if (CYInternal *internal = CYInternal::Get(self))
1400         if (internal->HasProperty(context, property))
1401             return true;
1402
1403     Class _class(object_getClass(self));
1404
1405     CYPoolTry {
1406         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
1407         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
1408             if ([self cy$hasProperty:name])
1409                 return true;
1410     } CYPoolCatch(false)
1411
1412     const char *string(CYPoolCString(pool, context, name));
1413
1414     if (class_getProperty(_class, string) != NULL)
1415         return true;
1416
1417     if (SEL sel = sel_getUid(string))
1418         if (CYImplements(self, _class, sel, true))
1419             return true;
1420
1421     return false;
1422 }
1423
1424 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1425     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1426     id self(internal->GetValue());
1427
1428     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1429         return Internal::Make(context, self, object);
1430
1431     CYPool pool;
1432     NSString *name(CYCastNSString(pool, property));
1433
1434     if (CYInternal *internal = CYInternal::Get(self))
1435         if (JSValueRef value = internal->GetProperty(context, property))
1436             return value;
1437
1438     CYPoolTry {
1439         if (NSObject *data = [self cy$getProperty:name])
1440             return CYCastJSValue(context, data);
1441     } CYPoolCatch(NULL)
1442
1443     const char *string(CYPoolCString(pool, context, name));
1444     Class _class(object_getClass(self));
1445
1446 #ifdef __APPLE__
1447     if (objc_property_t property = class_getProperty(_class, string)) {
1448         PropertyAttributes attributes(property);
1449         SEL sel(sel_registerName(attributes.Getter()));
1450         return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1451     }
1452 #endif
1453
1454     if (SEL sel = sel_getUid(string))
1455         if (CYImplements(self, _class, sel, true))
1456             return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
1457
1458     return NULL;
1459 } CYCatch }
1460
1461 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1462     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1463     id self(internal->GetValue());
1464
1465     CYPool pool;
1466
1467     NSString *name(CYCastNSString(pool, property));
1468     NSObject *data(CYCastNSObject(pool, context, value));
1469
1470     CYPoolTry {
1471         if ([self cy$setProperty:name to:data])
1472             return true;
1473     } CYPoolCatch(NULL)
1474
1475     const char *string(CYPoolCString(pool, context, name));
1476     Class _class(object_getClass(self));
1477
1478 #ifdef __APPLE__
1479     if (objc_property_t property = class_getProperty(_class, string)) {
1480         PropertyAttributes attributes(property);
1481         if (const char *setter = attributes.Setter()) {
1482             SEL sel(sel_registerName(setter));
1483             JSValueRef arguments[1] = {value};
1484             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1485             return true;
1486         }
1487     }
1488 #endif
1489
1490     size_t length(strlen(string));
1491
1492     char set[length + 5];
1493
1494     set[0] = 's';
1495     set[1] = 'e';
1496     set[2] = 't';
1497
1498     if (string[0] != '\0') {
1499         set[3] = toupper(string[0]);
1500         memcpy(set + 4, string + 1, length - 1);
1501     }
1502
1503     set[length + 3] = ':';
1504     set[length + 4] = '\0';
1505
1506     if (SEL sel = sel_getUid(set))
1507         if (CYImplements(self, _class, sel, false)) {
1508             JSValueRef arguments[1] = {value};
1509             CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
1510         }
1511
1512     if (CYInternal *internal = CYInternal::Set(self)) {
1513         internal->SetProperty(context, property, value);
1514         return true;
1515     }
1516
1517     return false;
1518 } CYCatch }
1519
1520 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1521     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1522     id self(internal->GetValue());
1523
1524     CYPoolTry {
1525         NSString *name(CYCastNSString(NULL, property));
1526         return [self cy$deleteProperty:name];
1527     } CYPoolCatch(NULL)
1528 } CYCatch }
1529
1530 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1531     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1532     id self(internal->GetValue());
1533
1534     CYPool pool;
1535     Class _class(object_getClass(self));
1536
1537 #ifdef __APPLE__
1538     {
1539         unsigned int size;
1540         objc_property_t *data(class_copyPropertyList(_class, &size));
1541         for (size_t i(0); i != size; ++i)
1542             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
1543         free(data);
1544     }
1545 #endif
1546 }
1547
1548 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1549     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1550     JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
1551     return value;
1552 } CYCatch }
1553
1554 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) { CYTry {
1555     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
1556     Class _class(internal->GetValue());
1557     if (!CYIsClass(_class))
1558         return false;
1559
1560     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
1561         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
1562         // XXX: this isn't always safe
1563         return [linternal->GetValue() isKindOfClass:_class];
1564     }
1565
1566     return false;
1567 } CYCatch }
1568
1569 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1570     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1571     CYPool pool;
1572
1573     id self(internal->GetValue());
1574     const char *name(CYPoolCString(pool, context, property));
1575
1576     if (object_getInstanceVariable(self, name, NULL) != NULL)
1577         return true;
1578
1579     return false;
1580 }
1581
1582 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1583     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1584     CYPool pool;
1585
1586     id self(internal->GetValue());
1587     const char *name(CYPoolCString(pool, context, property));
1588
1589     if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
1590         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1591         return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
1592     }
1593
1594     return NULL;
1595 } CYCatch }
1596
1597 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1598     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1599     CYPool pool;
1600
1601     id self(internal->GetValue());
1602     const char *name(CYPoolCString(pool, context, property));
1603
1604     if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
1605         Type_privateData type(pool, ivar_getTypeEncoding(ivar));
1606         CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
1607         return true;
1608     }
1609
1610     return false;
1611 } CYCatch }
1612
1613 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
1614     if (Class super = class_getSuperclass(_class))
1615         Internal_getPropertyNames_(super, names);
1616
1617     unsigned int size;
1618     Ivar *data(class_copyIvarList(_class, &size));
1619     for (size_t i(0); i != size; ++i)
1620         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
1621     free(data);
1622 }
1623
1624 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1625     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1626     CYPool pool;
1627
1628     id self(internal->GetValue());
1629     Class _class(object_getClass(self));
1630
1631     Internal_getPropertyNames_(_class, names);
1632 }
1633
1634 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1635     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
1636     return internal->GetOwner();
1637 }
1638
1639 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1640     CYPool pool;
1641     NSString *name(CYCastNSString(pool, property));
1642     if (Class _class = NSClassFromString(name))
1643         return CYMakeInstance(context, _class, true);
1644     return NULL;
1645 } CYCatch }
1646
1647 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1648     size_t size(objc_getClassList(NULL, 0));
1649     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
1650
1651   get:
1652     size_t writ(objc_getClassList(data, size));
1653     if (size < writ) {
1654         size = writ;
1655         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
1656             data = copy;
1657             goto get;
1658         } else goto done;
1659     }
1660
1661     for (size_t i(0); i != writ; ++i)
1662         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
1663
1664   done:
1665     free(data);
1666 }
1667
1668 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1669     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1670
1671     CYPool pool;
1672     const char *name(CYPoolCString(pool, context, property));
1673     unsigned int size;
1674     const char **data(objc_copyClassNamesForImage(internal, &size));
1675     JSValueRef value;
1676     for (size_t i(0); i != size; ++i)
1677         if (strcmp(name, data[i]) == 0) {
1678             if (Class _class = objc_getClass(name)) {
1679                 value = CYMakeInstance(context, _class, true);
1680                 goto free;
1681             } else
1682                 break;
1683         }
1684     value = NULL;
1685   free:
1686     free(data);
1687     return value;
1688 } CYCatch }
1689
1690 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1691     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
1692     unsigned int size;
1693     const char **data(objc_copyClassNamesForImage(internal, &size));
1694     for (size_t i(0); i != size; ++i)
1695         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1696     free(data);
1697 }
1698
1699 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1700     CYPool pool;
1701     const char *name(CYPoolCString(pool, context, property));
1702     unsigned int size;
1703     const char **data(objc_copyImageNames(&size));
1704     for (size_t i(0); i != size; ++i)
1705         if (strcmp(name, data[i]) == 0) {
1706             name = data[i];
1707             goto free;
1708         }
1709     name = NULL;
1710   free:
1711     free(data);
1712     if (name == NULL)
1713         return NULL;
1714     JSObjectRef value(JSObjectMake(context, NULL, NULL));
1715     CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
1716     return value;
1717 } CYCatch }
1718
1719 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1720     unsigned int size;
1721     const char **data(objc_copyImageNames(&size));
1722     for (size_t i(0); i != size; ++i)
1723         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
1724     free(data);
1725 }
1726
1727 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1728     CYPool pool;
1729     NSString *name(CYCastNSString(pool, property));
1730     if (Protocol *protocol = NSProtocolFromString(name))
1731         return CYMakeInstance(context, protocol, true);
1732     return NULL;
1733 } CYCatch }
1734
1735 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1736     unsigned int size;
1737     Protocol **data(objc_copyProtocolList(&size));
1738     for (size_t i(0); i != size; ++i)
1739         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
1740     free(data);
1741 }
1742
1743 static bool stret(ffi_type *ffi_type) {
1744     return ffi_type->type == FFI_TYPE_STRUCT && (
1745         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
1746         struct_forward_array[ffi_type->size] != 0
1747     );
1748 }
1749
1750 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 {
1751     const char *type;
1752
1753     if (_class == NULL)
1754         _class = object_getClass(self);
1755
1756     if (objc_method *method = class_getInstanceMethod(_class, _cmd))
1757         type = method_getTypeEncoding(method);
1758     else {
1759         CYPoolTry {
1760             NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
1761             if (method == nil)
1762                 throw CYJSError(context, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
1763             type = CYPoolCString(pool, context, [method _typeString]);
1764         } CYPoolCatch(NULL)
1765     }
1766
1767     objc_super super = {self, _class};
1768     void *arg0 = &super;
1769
1770     void *setup[2];
1771     setup[0] = &arg0;
1772     setup[1] = &_cmd;
1773
1774     sig::Signature signature;
1775     sig::Parse(pool, &signature, type, &Structor_);
1776
1777     ffi_cif cif;
1778     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
1779
1780     void (*function)() = stret(cif.rtype) ? reinterpret_cast<void (*)()>(&objc_msgSendSuper_stret) : reinterpret_cast<void (*)()>(&objc_msgSendSuper);
1781     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
1782 } CYCatch }
1783
1784 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1785     if (count < 2)
1786         throw CYJSError(context, "too few arguments to objc_msgSend");
1787
1788     CYPool pool;
1789
1790     bool uninitialized;
1791
1792     id self;
1793     SEL _cmd;
1794     Class _class;
1795
1796     if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
1797         cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
1798         self = internal->GetValue();
1799         _class = internal->class_;;
1800         uninitialized = false;
1801     } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
1802         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
1803         self = internal->GetValue();
1804         _class = nil;
1805         uninitialized = internal->IsUninitialized();
1806         if (uninitialized)
1807             internal->value_ = nil;
1808     } else {
1809         self = CYCastNSObject(pool, context, arguments[0]);
1810         _class = nil;
1811         uninitialized = false;
1812     }
1813
1814     if (self == nil)
1815         return CYJSNull(context);
1816
1817     _cmd = CYCastSEL(context, arguments[1]);
1818
1819     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
1820 } CYCatch }
1821
1822 /* Hook: objc_registerClassPair {{{ */
1823 // XXX: replace this with associated objects
1824
1825 MSHook(void, CYDealloc, id self, SEL sel) {
1826     CYInternal *internal;
1827     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
1828     if (internal != NULL)
1829         delete internal;
1830     _CYDealloc(self, sel);
1831 }
1832
1833 MSHook(void, objc_registerClassPair, Class _class) {
1834     Class super(class_getSuperclass(_class));
1835     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
1836         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
1837         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
1838     }
1839
1840     _objc_registerClassPair(_class);
1841 }
1842
1843 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1844     if (count != 1)
1845         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
1846     CYPool pool;
1847     NSObject *value(CYCastNSObject(pool, context, arguments[0]));
1848     if (value == NULL || !CYIsClass(value))
1849         throw CYJSError(context, "incorrect number of arguments to objc_registerClassPair");
1850     Class _class((Class) value);
1851     $objc_registerClassPair(_class);
1852     return CYJSUndefined(context);
1853 } CYCatch }
1854 /* }}} */
1855
1856 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1857     JSValueRef setup[count + 2];
1858     setup[0] = _this;
1859     setup[1] = object;
1860     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
1861     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
1862 }
1863
1864 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1865     CYPool pool;
1866     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
1867
1868     // XXX: handle Instance::Uninitialized?
1869     id self(CYCastNSObject(pool, context, _this));
1870
1871     void *setup[2];
1872     setup[0] = &self;
1873     setup[1] = &internal->sel_;
1874
1875     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
1876 }
1877
1878 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1879     if (count != 2)
1880         throw CYJSError(context, "incorrect number of arguments to Super constructor");
1881     CYPool pool;
1882     id self(CYCastNSObject(pool, context, arguments[0]));
1883     Class _class(CYCastClass(pool, context, arguments[1]));
1884     return cy::Super::Make(context, self, _class);
1885 } CYCatch }
1886
1887 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1888     if (count != 1)
1889         throw CYJSError(context, "incorrect number of arguments to Selector constructor");
1890     CYPool pool;
1891     const char *name(CYPoolCString(pool, context, arguments[0]));
1892     return CYMakeSelector(context, sel_registerName(name));
1893 } CYCatch }
1894
1895 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1896     if (count > 1)
1897         throw CYJSError(context, "incorrect number of arguments to Instance constructor");
1898     id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
1899     return Instance::Make(context, self);
1900 } CYCatch }
1901
1902 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1903     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
1904     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1905 }
1906
1907 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1908     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
1909     Type_privateData *typical(internal->GetType());
1910
1911     sig::Type *type;
1912     ffi_type *ffi;
1913
1914     if (typical == NULL) {
1915         type = NULL;
1916         ffi = NULL;
1917     } else {
1918         type = typical->type_;
1919         ffi = typical->ffi_;
1920     }
1921
1922     return CYMakePointer(context, &internal->value_, type, ffi, object);
1923 }
1924
1925 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1926     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1927     return Instance::Make(context, object_getClass(internal->GetValue()));
1928 }
1929
1930 static JSValueRef Instance_getProperty_protocol(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1931     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1932     id self(internal->GetValue());
1933     if (!CYIsClass(self))
1934         return CYJSUndefined(context);
1935     return CYGetClassPrototype(context, self);
1936 } CYCatch }
1937
1938 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
1939     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1940     id self(internal->GetValue());
1941     if (class_getInstanceMethod(object_getClass(self), @selector(alloc)) == NULL)
1942         return CYJSUndefined(context);
1943     return Messages::Make(context, self);
1944 }
1945
1946 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1947     if (!JSValueIsObjectOfClass(context, _this, Instance_))
1948         return NULL;
1949
1950     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
1951     return CYCastJSValue(context, CYJSString(CYCastNSCYON(internal->GetValue())));
1952 } CYCatch }
1953
1954 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1955     if (!JSValueIsObjectOfClass(context, _this, Instance_))
1956         return NULL;
1957
1958     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
1959
1960     CYPoolTry {
1961         NSString *key(count == 0 ? nil : CYCastNSString(NULL, CYJSString(context, arguments[0])));
1962         // XXX: check for support of cy$toJSON?
1963         return CYCastJSValue(context, CYJSString([internal->GetValue() cy$toJSON:key]));
1964     } CYPoolCatch(NULL)
1965 } CYCatch }
1966
1967 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1968     if (!JSValueIsObjectOfClass(context, _this, Instance_))
1969         return NULL;
1970
1971     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
1972
1973     CYPoolTry {
1974         // XXX: this seems like a stupid implementation; what if it crashes? why not use the CYONifier backend?
1975         return CYCastJSValue(context, CYJSString([internal->GetValue() description]));
1976     } CYPoolCatch(NULL)
1977 } CYCatch }
1978
1979 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1980     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
1981     return CYCastJSValue(context, sel_getName(internal->GetValue()));
1982 } CYCatch }
1983
1984 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1985     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
1986 }
1987
1988 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1989     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
1990     const char *name(sel_getName(internal->GetValue()));
1991
1992     CYPoolTry {
1993         return CYCastJSValue(context, CYJSString([NSString stringWithFormat:@"@selector(%s)", name]));
1994     } CYPoolCatch(NULL)
1995 } CYCatch }
1996
1997 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1998     if (count != 1)
1999         throw CYJSError(context, "incorrect number of arguments to Selector.type");
2000
2001     CYPool pool;
2002     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
2003     SEL sel(internal->GetValue());
2004
2005     objc_method *method;
2006     if (Class _class = CYCastClass(pool, context, arguments[0]))
2007         method = class_getInstanceMethod(_class, sel);
2008     else
2009         method = NULL;
2010
2011     if (const char *type = CYPoolTypeEncoding(pool, context, sel, method))
2012         return CYCastJSValue(context, CYJSString(type));
2013
2014     return CYJSNull(context);
2015 } CYCatch }
2016
2017 static JSStaticValue Selector_staticValues[2] = {
2018     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
2019     {NULL, NULL, NULL, 0}
2020 };
2021
2022 static JSStaticValue Instance_staticValues[5] = {
2023     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2024     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2025     {"prototype", &Instance_getProperty_protocol, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2026     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2027     {NULL, NULL, NULL, 0}
2028 };
2029
2030 static JSStaticFunction Instance_staticFunctions[5] = {
2031     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2032     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2033     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2034     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2035     {NULL, NULL, 0}
2036 };
2037
2038 static JSStaticFunction Internal_staticFunctions[2] = {
2039     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2040     {NULL, NULL, 0}
2041 };
2042
2043 static JSStaticFunction Selector_staticFunctions[5] = {
2044     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2045     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2046     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2047     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2048     {NULL, NULL, 0}
2049 };
2050
2051 void CYObjectiveC(JSContextRef context, JSObjectRef global) {
2052     apr_pool_t *pool(CYGetGlobalPool());
2053
2054     hooks_ = &CYObjectiveCHooks;
2055
2056     Object_type = new(pool) Type_privateData(pool, "@");
2057     Selector_type = new(pool) Type_privateData(pool, ":");
2058
2059 #ifdef __APPLE__
2060     NSCFBoolean_ = objc_getClass("NSCFBoolean");
2061     NSCFType_ = objc_getClass("NSCFType");
2062 #endif
2063
2064     NSArray_ = objc_getClass("NSArray");
2065     NSDictionary_ = objc_getClass("NSDictonary");
2066     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
2067     NSZombie_ = objc_getClass("_NSZombie_");
2068     Object_ = objc_getClass("Object");
2069
2070     JSClassDefinition definition;
2071
2072     definition = kJSClassDefinitionEmpty;
2073     definition.className = "Instance";
2074     definition.staticValues = Instance_staticValues;
2075     definition.staticFunctions = Instance_staticFunctions;
2076     definition.hasProperty = &Instance_hasProperty;
2077     definition.getProperty = &Instance_getProperty;
2078     definition.setProperty = &Instance_setProperty;
2079     definition.deleteProperty = &Instance_deleteProperty;
2080     definition.getPropertyNames = &Instance_getPropertyNames;
2081     definition.callAsConstructor = &Instance_callAsConstructor;
2082     definition.hasInstance = &Instance_hasInstance;
2083     definition.finalize = &CYFinalize;
2084     Instance_ = JSClassCreate(&definition);
2085
2086     definition = kJSClassDefinitionEmpty;
2087     definition.className = "Internal";
2088     definition.staticFunctions = Internal_staticFunctions;
2089     definition.hasProperty = &Internal_hasProperty;
2090     definition.getProperty = &Internal_getProperty;
2091     definition.setProperty = &Internal_setProperty;
2092     definition.getPropertyNames = &Internal_getPropertyNames;
2093     definition.finalize = &CYFinalize;
2094     Internal_ = JSClassCreate(&definition);
2095
2096     definition = kJSClassDefinitionEmpty;
2097     definition.className = "Message";
2098     definition.staticFunctions = cy::Functor::StaticFunctions;
2099     definition.callAsFunction = &Message_callAsFunction;
2100     definition.finalize = &CYFinalize;
2101     Message_ = JSClassCreate(&definition);
2102
2103     definition = kJSClassDefinitionEmpty;
2104     definition.className = "Messages";
2105     definition.hasProperty = &Messages_hasProperty;
2106     definition.getProperty = &Messages_getProperty;
2107     definition.setProperty = &Messages_setProperty;
2108 #if !__OBJC2__
2109     definition.deleteProperty = &Messages_deleteProperty;
2110 #endif
2111     definition.getPropertyNames = &Messages_getPropertyNames;
2112     definition.finalize = &CYFinalize;
2113     Messages_ = JSClassCreate(&definition);
2114
2115     definition = kJSClassDefinitionEmpty;
2116     definition.className = "Selector";
2117     definition.staticValues = Selector_staticValues;
2118     definition.staticFunctions = Selector_staticFunctions;
2119     definition.callAsFunction = &Selector_callAsFunction;
2120     definition.finalize = &CYFinalize;
2121     Selector_ = JSClassCreate(&definition);
2122
2123     definition = kJSClassDefinitionEmpty;
2124     definition.className = "Super";
2125     definition.staticFunctions = Internal_staticFunctions;
2126     definition.finalize = &CYFinalize;
2127     Super_ = JSClassCreate(&definition);
2128
2129     definition = kJSClassDefinitionEmpty;
2130     definition.className = "ObjectiveC::Classes";
2131     definition.getProperty = &ObjectiveC_Classes_getProperty;
2132     definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
2133     ObjectiveC_Classes_ = JSClassCreate(&definition);
2134
2135     definition = kJSClassDefinitionEmpty;
2136     definition.className = "ObjectiveC::Images";
2137     definition.getProperty = &ObjectiveC_Images_getProperty;
2138     definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
2139     ObjectiveC_Images_ = JSClassCreate(&definition);
2140
2141     definition = kJSClassDefinitionEmpty;
2142     definition.className = "ObjectiveC::Image::Classes";
2143     definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
2144     definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
2145     ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
2146
2147     definition = kJSClassDefinitionEmpty;
2148     definition.className = "ObjectiveC::Protocols";
2149     definition.getProperty = &ObjectiveC_Protocols_getProperty;
2150     definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
2151     ObjectiveC_Protocols_ = JSClassCreate(&definition);
2152
2153     JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
2154     CYSetProperty(context, global, CYJSString("ObjectiveC"), ObjectiveC);
2155
2156     CYSetProperty(context, ObjectiveC, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
2157     CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
2158     CYSetProperty(context, ObjectiveC, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
2159
2160     JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
2161     JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
2162     JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
2163     JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
2164
2165     Instance_prototype_ = (JSObjectRef) CYGetProperty(context, Instance, prototype_);
2166     JSValueProtect(context, Instance_prototype_);
2167
2168     CYSetProperty(context, global, CYJSString("Instance"), Instance);
2169     CYSetProperty(context, global, CYJSString("Selector"), Selector);
2170     CYSetProperty(context, global, CYJSString("Super"), Super);
2171
2172     CYSetProperty(context, global, CYJSString("objc_registerClassPair"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_registerClassPair"), &objc_registerClassPair_));
2173     CYSetProperty(context, global, CYJSString("objc_msgSend"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_msgSend"), &$objc_msgSend));
2174
2175     JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Message, prototype_), Function_prototype_);
2176     JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Selector, prototype_), Function_prototype_);
2177
2178     MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
2179
2180 #ifdef __APPLE__
2181     class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
2182 #endif
2183 }