Library.mm

   1 /* Cycript - Remote Execution Server and Disassembler
   2  * Copyright (C) 2009  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 #include <substrate.h>
  41
  42 #include <dlfcn.h>
  43 #include <iconv.h>
  44
  45 #include "cycript.hpp"
  46
  47 #include "sig/parse.hpp"
  48 #include "sig/ffi_type.hpp"
  49
  50 #include "Pooling.hpp"
  51
  52 #ifdef __OBJC__
  53 #include "Struct.hpp"
  54 #endif
  55
  56 #ifdef __APPLE__
  57 #include <CoreFoundation/CoreFoundation.h>
  58 #include <CoreFoundation/CFLogUtilities.h>
  59 #include <JavaScriptCore/JSStringRefCF.h>
  60 #endif
  61
  62 #ifdef __OBJC__
  63 #ifdef __APPLE__
  64 #include <WebKit/WebScriptObject.h>
  65 #endif
  66 #include <Foundation/Foundation.h>
  67 #endif
  68
  69 #include <sys/mman.h>
  70
  71 #include <iostream>
  72 #include <ext/stdio_filebuf.h>
  73 #include <set>
  74 #include <map>
  75 #include <iomanip>
  76 #include <sstream>
  77 #include <cmath>
  78
  79 #include "Parser.hpp"
  80 #include "Cycript.tab.hh"
  81
  82 #undef _assert
  83 #undef _trace
  84
  85 #ifdef __OBJC__
  86 #define _throw(name, args...) \
  87     @throw [NSException exceptionWithName:name reason:[NSString stringWithFormat:@args] userInfo:nil]
  88 #else
  89 #define _throw(name, args...) \
  90     throw "_throw()"
  91 #endif
  92
  93 #define _assert(test) do { \
  94     if (!(test)) \
  95         _throw(NSInternalInconsistencyException, "*** _assert(%s):%s(%u):%s [errno=%d]", #test, __FILE__, __LINE__, __FUNCTION__, errno); \
  96 } while (false)
  97
  98 #define _trace() do { \
  99     fprintf(stderr, "_trace():%u\n", __LINE__); \
 100 } while (false)
 101
 102 #define CYTry \
 103     try
 104 #define CYCatch \
 105     catch (NSException *error) { \
 106         CYThrow(context, error, exception); \
 107         return NULL; \
 108     } catch (...) { \
 109         *exception = CYCastJSValue(context, "catch(...)"); \
 110         return NULL; \
 111     }
 112
 113 #ifdef __OBJC__
 114 #define CYPoolTry { \
 115     id _saved(nil); \
 116     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
 117     @try
 118 #define CYPoolCatch(value) \
 119     @catch (NSException *error) { \
 120         _saved = [error retain]; \
 121         @throw; \
 122         return value; \
 123     } @finally { \
 124         [_pool release]; \
 125         if (_saved != nil) \
 126             [_saved autorelease]; \
 127     } \
 128 }
 129 #else
 130 #define CYPoolTry {
 131 #define CYPoolCatch }
 132 #endif
 133
 134 #ifndef __APPLE__
 135 #define class_getSuperclass GSObjCSuper
 136 #define object_getClass GSObjCClass
 137 #endif
 138
 139 void CYThrow(JSContextRef context, JSValueRef value);
 140
 141 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value, JSValueRef *exception);
 142 JSStringRef CYCopyJSString(const char *value);
 143
 144 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value);
 145
 146 JSValueRef CYCallFunction(apr_pool_t *pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception, sig::Signature *signature, ffi_cif *cif, void (*function)());
 147 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class super, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception);
 148
 149 struct CYUTF8String {
 150     const char *data;
 151     size_t size;
 152
 153     CYUTF8String(const char *data, size_t size) :
 154         data(data),
 155         size(size)
 156     {
 157     }
 158 };
 159
 160 struct CYUTF16String {
 161     const uint16_t *data;
 162     size_t size;
 163
 164     CYUTF16String(const uint16_t *data, size_t size) :
 165         data(data),
 166         size(size)
 167     {
 168     }
 169 };
 170
 171 /* JavaScript Properties {{{ */
 172 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) {
 173     JSValueRef exception(NULL);
 174     JSValueRef value(JSObjectGetPropertyAtIndex(context, object, index, &exception));
 175     CYThrow(context, exception);
 176     return value;
 177 }
 178
 179 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
 180     JSValueRef exception(NULL);
 181     JSValueRef value(JSObjectGetProperty(context, object, name, &exception));
 182     CYThrow(context, exception);
 183     return value;
 184 }
 185
 186 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value) {
 187     JSValueRef exception(NULL);
 188     JSObjectSetPropertyAtIndex(context, object, index, value, &exception);
 189     CYThrow(context, exception);
 190 }
 191
 192 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value) {
 193     JSValueRef exception(NULL);
 194     JSObjectSetProperty(context, object, name, value, kJSPropertyAttributeNone, &exception);
 195     CYThrow(context, exception);
 196 }
 197 /* }}} */
 198 /* JavaScript Strings {{{ */
 199 JSStringRef CYCopyJSString(const char *value) {
 200     return value == NULL ? NULL : JSStringCreateWithUTF8CString(value);
 201 }
 202
 203 JSStringRef CYCopyJSString(JSStringRef value) {
 204     return value == NULL ? NULL : JSStringRetain(value);
 205 }
 206
 207 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
 208     if (JSValueIsNull(context, value))
 209         return NULL;
 210     JSValueRef exception(NULL);
 211     JSStringRef string(JSValueToStringCopy(context, value, &exception));
 212     CYThrow(context, exception);
 213     return string;
 214 }
 215
 216 class CYJSString {
 217   private:
 218     JSStringRef string_;
 219
 220     void Clear_() {
 221         if (string_ != NULL)
 222             JSStringRelease(string_);
 223     }
 224
 225   public:
 226     CYJSString(const CYJSString &rhs) :
 227         string_(CYCopyJSString(rhs.string_))
 228     {
 229     }
 230
 231     template <typename Arg0_>
 232     CYJSString(Arg0_ arg0) :
 233         string_(CYCopyJSString(arg0))
 234     {
 235     }
 236
 237     template <typename Arg0_, typename Arg1_>
 238     CYJSString(Arg0_ arg0, Arg1_ arg1) :
 239         string_(CYCopyJSString(arg0, arg1))
 240     {
 241     }
 242
 243     CYJSString &operator =(const CYJSString &rhs) {
 244         Clear_();
 245         string_ = CYCopyJSString(rhs.string_);
 246         return *this;
 247     }
 248
 249     ~CYJSString() {
 250         Clear_();
 251     }
 252
 253     void Clear() {
 254         Clear_();
 255         string_ = NULL;
 256     }
 257
 258     operator JSStringRef() const {
 259         return string_;
 260     }
 261 };
 262 /* }}} */
 263 /* C Strings {{{ */
 264 // XXX: this macro is unhygenic
 265 #define CYCastCString_(string) ({ \
 266     char *utf8; \
 267     if (string == NULL) \
 268         utf8 = NULL; \
 269     else { \
 270         size_t size(JSStringGetMaximumUTF8CStringSize(string)); \
 271         utf8 = reinterpret_cast<char *>(alloca(size)); \
 272         JSStringGetUTF8CString(string, utf8, size); \
 273     } \
 274     utf8; \
 275 })
 276
 277 // XXX: this macro is unhygenic
 278 #define CYCastCString(context, value) ({ \
 279     char *utf8; \
 280     if (value == NULL) \
 281         utf8 = NULL; \
 282     else if (JSStringRef string = CYCopyJSString(context, value)) { \
 283         utf8 = CYCastCString_(string); \
 284         JSStringRelease(string); \
 285     } else \
 286         utf8 = NULL; \
 287     utf8; \
 288 })
 289
 290 /* }}} */
 291
 292 #ifdef __OBJC__
 293 /* Objective-C Pool Release {{{ */
 294 apr_status_t CYPoolRelease_(void *data) {
 295     id object(reinterpret_cast<id>(data));
 296     [object release];
 297     return APR_SUCCESS;
 298 }
 299
 300 id CYPoolRelease_(apr_pool_t *pool, id object) {
 301     if (object == nil)
 302         return nil;
 303     else if (pool == NULL)
 304         return [object autorelease];
 305     else {
 306         apr_pool_cleanup_register(pool, object, &CYPoolRelease_, &apr_pool_cleanup_null);
 307         return object;
 308     }
 309 }
 310
 311 template <typename Type_>
 312 Type_ CYPoolRelease(apr_pool_t *pool, Type_ object) {
 313     return (Type_) CYPoolRelease_(pool, (id) object);
 314 }
 315 /* }}} */
 316 /* Objective-C Strings {{{ */
 317 const char *CYPoolCString(apr_pool_t *pool, NSString *value) {
 318     if (pool == NULL)
 319         return [value UTF8String];
 320     else {
 321         size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
 322         char *string(new(pool) char[size]);
 323         if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
 324             _throw(NSInternalInconsistencyException, "[NSString getCString:maxLength:encoding:] == NO");
 325         return string;
 326     }
 327 }
 328
 329 JSStringRef CYCopyJSString_(NSString *value) {
 330 #ifdef __APPLE__
 331     return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));
 332 #else
 333     CYPool pool;
 334     return CYCopyJSString(CYPoolCString(pool, value));
 335 #endif
 336 }
 337
 338 JSStringRef CYCopyJSString(id value) {
 339     if (value == nil)
 340         return NULL;
 341     // XXX: this definition scares me; is anyone using this?!
 342     NSString *string([value description]);
 343     return CYCopyJSString_(string);
 344 }
 345
 346 NSString *CYCopyNSString(const CYUTF8String &value) {
 347 #ifdef __APPLE__
 348     return (NSString *) CFStringCreateWithBytes(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(value.data), value.size, kCFStringEncodingUTF8, true);
 349 #else
 350     return [[NSString alloc] initWithBytes:value.data length:value.size encoding:NSUTF8StringEncoding];
 351 #endif
 352 }
 353
 354 NSString *CYCopyNSString(JSStringRef value) {
 355 #ifdef __APPLE__
 356     return (NSString *) JSStringCopyCFString(kCFAllocatorDefault, value);
 357 #else
 358     return CYCopyNSString(CYCastCString_(value));
 359 #endif
 360 }
 361
 362 NSString *CYCopyNSString(JSContextRef context, JSValueRef value) {
 363     return CYCopyNSString(CYJSString(context, value));
 364 }
 365
 366 NSString *CYCastNSString(apr_pool_t *pool, const CYUTF8String &value) {
 367     return CYPoolRelease(pool, CYCopyNSString(value));
 368 }
 369
 370 NSString *CYCastNSString(apr_pool_t *pool, SEL sel) {
 371     const char *name(sel_getName(sel));
 372     return CYPoolRelease(pool, CYCopyNSString(CYUTF8String(name, strlen(name))));
 373 }
 374
 375 NSString *CYCastNSString(apr_pool_t *pool, JSStringRef value) {
 376     return CYPoolRelease(pool, CYCopyNSString(value));
 377 }
 378
 379 CYUTF8String CYCastUTF8String(NSString *value) {
 380     NSData *data([value dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO]);
 381     return CYUTF8String(reinterpret_cast<const char *>([data bytes]), [data length]);
 382 }
 383 /* }}} */
 384 #endif
 385
 386 /* JavaScript Stringify {{{ */
 387 void CYStringify(std::ostringstream &str, const char *data, size_t size) {
 388     unsigned quot(0), apos(0);
 389     for (const char *value(data), *end(data + size); value != end; ++value)
 390         if (*value == '"')
 391             ++quot;
 392         else if (*value == '\'')
 393             ++apos;
 394
 395     bool single(quot > apos);
 396
 397     str << (single ? '\'' : '"');
 398
 399     for (const char *value(data), *end(data + size); value != end; ++value)
 400         switch (*value) {
 401             case '\\': str << "\\\\"; break;
 402             case '\b': str << "\\b"; break;
 403             case '\f': str << "\\f"; break;
 404             case '\n': str << "\\n"; break;
 405             case '\r': str << "\\r"; break;
 406             case '\t': str << "\\t"; break;
 407             case '\v': str << "\\v"; break;
 408
 409             case '"':
 410                 if (!single)
 411                     str << "\\\"";
 412                 else goto simple;
 413             break;
 414
 415             case '\'':
 416                 if (single)
 417                     str << "\\'";
 418                 else goto simple;
 419             break;
 420
 421             default:
 422                 if (*value < 0x20 || *value >= 0x7f)
 423                     str << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << unsigned(*value);
 424                 else simple:
 425                     str << *value;
 426         }
 427
 428     str << (single ? '\'' : '"');
 429 }
 430 /* }}} */
 431
 432 static JSGlobalContextRef Context_;
 433 static JSObjectRef System_;
 434
 435 static JSClassRef Functor_;
 436 static JSClassRef Pointer_;
 437 static JSClassRef Runtime_;
 438 static JSClassRef Struct_;
 439
 440 #ifdef __OBJC__
 441 static JSObjectRef ObjectiveC_;
 442
 443 static JSClassRef Instance_;
 444 static JSClassRef Internal_;
 445 static JSClassRef Message_;
 446 static JSClassRef Messages_;
 447 static JSClassRef Selector_;
 448 static JSClassRef Super_;
 449
 450 static JSClassRef ObjectiveC_Classes_;
 451 static JSClassRef ObjectiveC_Image_Classes_;
 452 static JSClassRef ObjectiveC_Images_;
 453 static JSClassRef ObjectiveC_Protocols_;
 454
 455 static JSObjectRef Instance_prototype_;
 456 #endif
 457
 458 static JSObjectRef Array_;
 459 static JSObjectRef Function_;
 460 static JSObjectRef String_;
 461
 462 static JSStringRef Result_;
 463
 464 static JSStringRef length_;
 465 static JSStringRef message_;
 466 static JSStringRef name_;
 467 static JSStringRef prototype_;
 468 static JSStringRef toCYON_;
 469 static JSStringRef toJSON_;
 470
 471 static JSObjectRef Object_prototype_;
 472
 473 static JSObjectRef Array_prototype_;
 474 static JSObjectRef Array_pop_;
 475 static JSObjectRef Array_push_;
 476 static JSObjectRef Array_splice_;
 477
 478 #ifdef __OBJC__
 479 #ifdef __APPLE__
 480 static Class NSCFBoolean_;
 481 static Class NSCFType_;
 482 #endif
 483
 484 static Class NSArray_;
 485 static Class NSDictionary_;
 486 static Class NSMessageBuilder_;
 487 static Class NSZombie_;
 488 static Class Object_;
 489 #endif
 490
 491 static NSArray *Bridge_;
 492
 493 static void Finalize(JSObjectRef object) {
 494     delete reinterpret_cast<CYData *>(JSObjectGetPrivate(object));
 495 }
 496
 497 class Type_privateData;
 498
 499 struct CYValue :
 500     CYData
 501 {
 502     void *value_;
 503
 504     CYValue() {
 505     }
 506
 507     CYValue(const void *value) :
 508         value_(const_cast<void *>(value))
 509     {
 510     }
 511
 512     CYValue(const CYValue &rhs) :
 513         value_(rhs.value_)
 514     {
 515     }
 516
 517     virtual Type_privateData *GetType() const {
 518         return NULL;
 519     }
 520 };
 521
 522 struct CYOwned :
 523     CYValue
 524 {
 525   private:
 526     JSContextRef context_;
 527     JSObjectRef owner_;
 528
 529   public:
 530     CYOwned(void *value, JSContextRef context, JSObjectRef owner) :
 531         CYValue(value),
 532         context_(context),
 533         owner_(owner)
 534     {
 535         if (owner_ != NULL)
 536             JSValueProtect(context_, owner_);
 537     }
 538
 539     virtual ~CYOwned() {
 540         if (owner_ != NULL)
 541             JSValueUnprotect(context_, owner_);
 542     }
 543
 544     JSObjectRef GetOwner() const {
 545         return owner_;
 546     }
 547 };
 548
 549 #ifdef __OBJC__
 550 struct Selector_privateData :
 551     CYValue
 552 {
 553     Selector_privateData(SEL value) :
 554         CYValue(value)
 555     {
 556     }
 557
 558     SEL GetValue() const {
 559         return reinterpret_cast<SEL>(value_);
 560     }
 561
 562     virtual Type_privateData *GetType() const;
 563 };
 564
 565 // XXX: trick this out with associated objects!
 566 JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
 567     if (self == nil)
 568         return Instance_prototype_;
 569
 570     // XXX: I need to think through multi-context
 571     typedef std::map<id, JSValueRef> CacheMap;
 572     static CacheMap cache_;
 573
 574     JSValueRef &value(cache_[self]);
 575     if (value != NULL)
 576         return value;
 577
 578     JSClassRef _class(NULL);
 579     JSValueRef prototype;
 580
 581     if (self == NSArray_)
 582         prototype = Array_prototype_;
 583     else if (self == NSDictionary_)
 584         prototype = Object_prototype_;
 585     else
 586         prototype = CYGetClassPrototype(context, class_getSuperclass(self));
 587
 588     JSObjectRef object(JSObjectMake(context, _class, NULL));
 589     JSObjectSetPrototype(context, object, prototype);
 590
 591     JSValueProtect(context, object);
 592     value = object;
 593     return object;
 594 }
 595
 596 struct Instance :
 597     CYValue
 598 {
 599     enum Flags {
 600         None          = 0,
 601         Transient     = (1 << 0),
 602         Uninitialized = (1 << 1),
 603     };
 604
 605     Flags flags_;
 606
 607     Instance(id value, Flags flags) :
 608         CYValue(value),
 609         flags_(flags)
 610     {
 611     }
 612
 613     virtual ~Instance() {
 614         if ((flags_ & Transient) == 0)
 615             // XXX: does this handle background threads correctly?
 616             // XXX: this simply does not work on the console because I'm stupid
 617             [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
 618     }
 619
 620     static JSObjectRef Make(JSContextRef context, id object, Flags flags = None) {
 621         JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
 622         JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
 623         return value;
 624     }
 625
 626     id GetValue() const {
 627         return reinterpret_cast<id>(value_);
 628     }
 629
 630     bool IsUninitialized() const {
 631         return (flags_ & Uninitialized) != 0;
 632     }
 633
 634     virtual Type_privateData *GetType() const;
 635 };
 636
 637 struct Super :
 638     Instance
 639 {
 640     Class class_;
 641
 642     Super(id value, Class _class) :
 643         Instance(value, Instance::Transient),
 644         class_(_class)
 645     {
 646     }
 647
 648     static JSObjectRef Make(JSContextRef context, id object, Class _class) {
 649         JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
 650         return value;
 651     }
 652 };
 653
 654 struct Messages :
 655     CYValue
 656 {
 657     Messages(Class value) :
 658         CYValue(value)
 659     {
 660     }
 661
 662     static JSObjectRef Make(JSContextRef context, Class _class, bool array = false) {
 663         JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
 664         if (_class == NSArray_)
 665             array = true;
 666         if (Class super = class_getSuperclass(_class))
 667             JSObjectSetPrototype(context, value, Messages::Make(context, super, array));
 668         /*else if (array)
 669             JSObjectSetPrototype(context, value, Array_prototype_);*/
 670         return value;
 671     }
 672
 673     Class GetValue() const {
 674         return reinterpret_cast<Class>(value_);
 675     }
 676 };
 677
 678 struct Internal :
 679     CYOwned
 680 {
 681     Internal(id value, JSContextRef context, JSObjectRef owner) :
 682         CYOwned(value, context, owner)
 683     {
 684     }
 685
 686     static JSObjectRef Make(JSContextRef context, id object, JSObjectRef owner) {
 687         return JSObjectMake(context, Internal_, new Internal(object, context, owner));
 688     }
 689
 690     id GetValue() const {
 691         return reinterpret_cast<id>(value_);
 692     }
 693 };
 694 #endif
 695
 696 namespace sig {
 697
 698 void Copy(apr_pool_t *pool, Type &lhs, Type &rhs);
 699
 700 void Copy(apr_pool_t *pool, Element &lhs, Element &rhs) {
 701     lhs.name = apr_pstrdup(pool, rhs.name);
 702     if (rhs.type == NULL)
 703         lhs.type = NULL;
 704     else {
 705         lhs.type = new(pool) Type;
 706         Copy(pool, *lhs.type, *rhs.type);
 707     }
 708     lhs.offset = rhs.offset;
 709 }
 710
 711 void Copy(apr_pool_t *pool, Signature &lhs, Signature &rhs) {
 712     size_t count(rhs.count);
 713     lhs.count = count;
 714     lhs.elements = new(pool) Element[count];
 715     for (size_t index(0); index != count; ++index)
 716         Copy(pool, lhs.elements[index], rhs.elements[index]);
 717 }
 718
 719 void Copy(apr_pool_t *pool, Type &lhs, Type &rhs) {
 720     lhs.primitive = rhs.primitive;
 721     lhs.name = apr_pstrdup(pool, rhs.name);
 722     lhs.flags = rhs.flags;
 723
 724     if (sig::IsAggregate(rhs.primitive))
 725         Copy(pool, lhs.data.signature, rhs.data.signature);
 726     else {
 727         sig::Type *&lht(lhs.data.data.type);
 728         sig::Type *&rht(rhs.data.data.type);
 729
 730         if (rht == NULL)
 731             lht = NULL;
 732         else {
 733             lht = new(pool) Type;
 734             Copy(pool, *lht, *rht);
 735         }
 736
 737         lhs.data.data.size = rhs.data.data.size;
 738     }
 739 }
 740
 741 void Copy(apr_pool_t *pool, ffi_type &lhs, ffi_type &rhs) {
 742     lhs.size = rhs.size;
 743     lhs.alignment = rhs.alignment;
 744     lhs.type = rhs.type;
 745     if (rhs.elements == NULL)
 746         lhs.elements = NULL;
 747     else {
 748         size_t count(0);
 749         while (rhs.elements[count] != NULL)
 750             ++count;
 751
 752         lhs.elements = new(pool) ffi_type *[count + 1];
 753         lhs.elements[count] = NULL;
 754
 755         for (size_t index(0); index != count; ++index) {
 756             // XXX: if these are libffi native then you can just take them
 757             ffi_type *ffi(new(pool) ffi_type);
 758             lhs.elements[index] = ffi;
 759             sig::Copy(pool, *ffi, *rhs.elements[index]);
 760         }
 761     }
 762 }
 763
 764 }
 765
 766 struct CStringMapLess :
 767     std::binary_function<const char *, const char *, bool>
 768 {
 769     _finline bool operator ()(const char *lhs, const char *rhs) const {
 770         return strcmp(lhs, rhs) < 0;
 771     }
 772 };
 773
 774 void Structor_(apr_pool_t *pool, const char *name, const char *types, sig::Type *&type) {
 775     if (name == NULL)
 776         return;
 777
 778     CYPoolTry {
 779         if (NSMutableArray *entry = [[Bridge_ objectAtIndex:2] objectForKey:[NSString stringWithUTF8String:name]])
 780             switch ([[entry objectAtIndex:0] intValue]) {
 781                 case 0: {
 782                     sig::Parse(pool, &type->data.signature, [[entry objectAtIndex:1] UTF8String], &Structor_);
 783                 } break;
 784
 785                 case 1: {
 786                     sig::Signature signature;
 787                     sig::Parse(pool, &signature, [[entry objectAtIndex:1] UTF8String], &Structor_);
 788                     type = signature.elements[0].type;
 789                 } break;
 790             }
 791     } CYPoolCatch()
 792 }
 793
 794 struct Type_privateData :
 795     CYData
 796 {
 797 #ifdef __OBJC__
 798     static Type_privateData *Object;
 799     static Type_privateData *Selector;
 800 #endif
 801
 802     static JSClassRef Class_;
 803
 804     ffi_type *ffi_;
 805     sig::Type *type_;
 806
 807     void Set(sig::Type *type) {
 808         type_ = new(pool_) sig::Type;
 809         sig::Copy(pool_, *type_, *type);
 810     }
 811
 812     Type_privateData(apr_pool_t *pool, const char *type) :
 813         ffi_(NULL)
 814     {
 815         if (pool != NULL)
 816             pool_ = pool;
 817
 818         sig::Signature signature;
 819         sig::Parse(pool_, &signature, type, &Structor_);
 820         type_ = signature.elements[0].type;
 821     }
 822
 823     Type_privateData(sig::Type *type) :
 824         ffi_(NULL)
 825     {
 826         if (type != NULL)
 827             Set(type);
 828     }
 829
 830     Type_privateData(sig::Type *type, ffi_type *ffi) {
 831         ffi_ = new(pool_) ffi_type;
 832         sig::Copy(pool_, *ffi_, *ffi);
 833         Set(type);
 834     }
 835
 836     ffi_type *GetFFI() {
 837         if (ffi_ == NULL) {
 838             ffi_ = new(pool_) ffi_type;
 839
 840             sig::Element element;
 841             element.name = NULL;
 842             element.type = type_;
 843             element.offset = 0;
 844
 845             sig::Signature signature;
 846             signature.elements = &element;
 847             signature.count = 1;
 848
 849             ffi_cif cif;
 850             sig::sig_ffi_cif(pool_, &sig::ObjectiveC, &signature, &cif);
 851             *ffi_ = *cif.rtype;
 852         }
 853
 854         return ffi_;
 855     }
 856 };
 857
 858 JSClassRef Type_privateData::Class_;
 859
 860 #ifdef __OBJC__
 861 Type_privateData *Type_privateData::Object;
 862 Type_privateData *Type_privateData::Selector;
 863
 864 Type_privateData *Instance::GetType() const {
 865     return Type_privateData::Object;
 866 }
 867
 868 Type_privateData *Selector_privateData::GetType() const {
 869     return Type_privateData::Selector;
 870 }
 871 #endif
 872
 873 struct Pointer :
 874     CYOwned
 875 {
 876     Type_privateData *type_;
 877
 878     Pointer(void *value, JSContextRef context, JSObjectRef owner, sig::Type *type) :
 879         CYOwned(value, context, owner),
 880         type_(new(pool_) Type_privateData(type))
 881     {
 882     }
 883 };
 884
 885 struct Struct_privateData :
 886     CYOwned
 887 {
 888     Type_privateData *type_;
 889
 890     Struct_privateData(JSContextRef context, JSObjectRef owner) :
 891         CYOwned(NULL, context, owner)
 892     {
 893     }
 894 };
 895
 896 typedef std::map<const char *, Type_privateData *, CStringMapLess> TypeMap;
 897 static TypeMap Types_;
 898
 899 JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
 900     Struct_privateData *internal(new Struct_privateData(context, owner));
 901     apr_pool_t *pool(internal->pool_);
 902     Type_privateData *typical(new(pool) Type_privateData(type, ffi));
 903     internal->type_ = typical;
 904
 905     if (owner != NULL)
 906         internal->value_ = data;
 907     else {
 908         size_t size(typical->GetFFI()->size);
 909         void *copy(apr_palloc(internal->pool_, size));
 910         memcpy(copy, data, size);
 911         internal->value_ = copy;
 912     }
 913
 914     return JSObjectMake(context, Struct_, internal);
 915 }
 916
 917 struct Functor_privateData :
 918     CYValue
 919 {
 920     sig::Signature signature_;
 921     ffi_cif cif_;
 922
 923
 924     Functor_privateData(const char *type, void (*value)()) :
 925         CYValue(reinterpret_cast<void *>(value))
 926     {
 927         sig::Parse(pool_, &signature_, type, &Structor_);
 928         sig::sig_ffi_cif(pool_, &sig::ObjectiveC, &signature_, &cif_);
 929     }
 930
 931     void (*GetValue())() const {
 932         return reinterpret_cast<void (*)()>(value_);
 933     }
 934 };
 935
 936 struct Closure_privateData :
 937     Functor_privateData
 938 {
 939     JSContextRef context_;
 940     JSObjectRef function_;
 941
 942     Closure_privateData(JSContextRef context, JSObjectRef function, const char *type) :
 943         Functor_privateData(type, NULL),
 944         context_(context),
 945         function_(function)
 946     {
 947         JSValueProtect(context_, function_);
 948     }
 949
 950     virtual ~Closure_privateData() {
 951         JSValueUnprotect(context_, function_);
 952     }
 953 };
 954
 955 #ifdef __OBJC__
 956 struct Message_privateData :
 957     Functor_privateData
 958 {
 959     SEL sel_;
 960
 961     Message_privateData(SEL sel, const char *type, IMP value = NULL) :
 962         Functor_privateData(type, reinterpret_cast<void (*)()>(value)),
 963         sel_(sel)
 964     {
 965     }
 966 };
 967
 968 JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 969     Instance::Flags flags;
 970
 971     if (transient)
 972         flags = Instance::Transient;
 973     else {
 974         flags = Instance::None;
 975         object = [object retain];
 976     }
 977
 978     return Instance::Make(context, object, flags);
 979 }
 980 #endif
 981
 982 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
 983     return JSValueMakeBoolean(context, value);
 984 }
 985
 986 JSValueRef CYCastJSValue(JSContextRef context, double value) {
 987     return JSValueMakeNumber(context, value);
 988 }
 989
 990 #define CYCastJSValue_(Type_) \
 991     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
 992         return JSValueMakeNumber(context, static_cast<double>(value)); \
 993     }
 994
 995 CYCastJSValue_(int)
 996 CYCastJSValue_(unsigned int)
 997 CYCastJSValue_(long int)
 998 CYCastJSValue_(long unsigned int)
 999 CYCastJSValue_(long long int)
1000 CYCastJSValue_(long long unsigned int)
1001
1002 JSValueRef CYJSUndefined(JSContextRef context) {
1003     return JSValueMakeUndefined(context);
1004 }
1005
1006 size_t CYGetIndex(const CYUTF8String &value) {
1007     if (value.data[0] != '0') {
1008         char *end;
1009         size_t index(strtoul(value.data, &end, 10));
1010         if (value.data + value.size == end)
1011             return index;
1012     } else if (value.data[1] == '\0')
1013         return 0;
1014     return _not(size_t);
1015 }
1016
1017 // XXX: fix this
1018 static CYUTF8String CYPoolUTF8String(apr_pool_t *pool, JSStringRef value);
1019
1020 size_t CYGetIndex(apr_pool_t *pool, JSStringRef value) {
1021     return CYGetIndex(CYPoolUTF8String(pool, value));
1022 }
1023
1024 bool CYGetOffset(const char *value, ssize_t &index) {
1025     if (value[0] != '0') {
1026         char *end;
1027         index = strtol(value, &end, 10);
1028         if (value + strlen(value) == end)
1029             return true;
1030     } else if (value[1] == '\0') {
1031         index = 0;
1032         return true;
1033     }
1034
1035     return false;
1036 }
1037
1038 #ifdef __OBJC__
1039 size_t CYGetIndex(NSString *value) {
1040     return CYGetIndex(CYCastUTF8String(value));
1041 }
1042
1043 bool CYGetOffset(apr_pool_t *pool, NSString *value, ssize_t &index) {
1044     return CYGetOffset(CYPoolCString(pool, value), index);
1045 }
1046 #endif
1047
1048 #ifdef __OBJC__
1049 @interface NSMethodSignature (Cycript)
1050 - (NSString *) _typeString;
1051 @end
1052
1053 @interface NSObject (Cycript)
1054
1055 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
1056 - (JSType) cy$JSType;
1057
1058 - (NSObject *) cy$toJSON:(NSString *)key;
1059 - (NSString *) cy$toCYON;
1060 - (NSString *) cy$toKey;
1061
1062 - (bool) cy$hasProperty:(NSString *)name;
1063 - (NSObject *) cy$getProperty:(NSString *)name;
1064 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value;
1065 - (bool) cy$deleteProperty:(NSString *)name;
1066
1067 @end
1068
1069 @protocol Cycript
1070 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
1071 @end
1072
1073 @interface NSString (Cycript)
1074 - (void *) cy$symbol;
1075 @end
1076 #endif
1077
1078 #ifdef __OBJC__
1079 NSString *CYCastNSCYON(id value) {
1080     NSString *string;
1081
1082     if (value == nil)
1083         string = @"nil";
1084     else {
1085         Class _class(object_getClass(value));
1086         SEL sel(@selector(cy$toCYON));
1087
1088         if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
1089             string = reinterpret_cast<NSString *(*)(id, SEL)>(method_getImplementation(toCYON))(value, sel);
1090         else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
1091             if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
1092                 string = [value cy$toCYON];
1093             else goto fail;
1094         } else fail: {
1095             if (value == NSZombie_)
1096                 string = @"_NSZombie_";
1097             else if (_class == NSZombie_)
1098                 string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
1099             // XXX: frowny /in/ the pants
1100             else if (value == NSMessageBuilder_ || value == Object_)
1101                 string = nil;
1102             else
1103                 string = [NSString stringWithFormat:@"%@", value];
1104         }
1105
1106         // XXX: frowny pants
1107         if (string == nil)
1108             string = @"undefined";
1109     }
1110
1111     return string;
1112 }
1113 #endif
1114
1115 #ifdef __OBJC__
1116 #ifdef __APPLE__
1117 struct PropertyAttributes {
1118     CYPool pool_;
1119
1120     const char *name;
1121
1122     const char *variable;
1123
1124     const char *getter_;
1125     const char *setter_;
1126
1127     bool readonly;
1128     bool copy;
1129     bool retain;
1130     bool nonatomic;
1131     bool dynamic;
1132     bool weak;
1133     bool garbage;
1134
1135     PropertyAttributes(objc_property_t property) :
1136         variable(NULL),
1137         getter_(NULL),
1138         setter_(NULL),
1139         readonly(false),
1140         copy(false),
1141         retain(false),
1142         nonatomic(false),
1143         dynamic(false),
1144         weak(false),
1145         garbage(false)
1146     {
1147         name = property_getName(property);
1148         const char *attributes(property_getAttributes(property));
1149
1150         for (char *state, *token(apr_strtok(apr_pstrdup(pool_, attributes), ",", &state)); token != NULL; token = apr_strtok(NULL, ",", &state)) {
1151             switch (*token) {
1152                 case 'R': readonly = true; break;
1153                 case 'C': copy = true; break;
1154                 case '&': retain = true; break;
1155                 case 'N': nonatomic = true; break;
1156                 case 'G': getter_ = token + 1; break;
1157                 case 'S': setter_ = token + 1; break;
1158                 case 'V': variable = token + 1; break;
1159             }
1160         }
1161
1162         /*if (variable == NULL) {
1163             variable = property_getName(property);
1164             size_t size(strlen(variable));
1165             char *name(new(pool_) char[size + 2]);
1166             name[0] = '_';
1167             memcpy(name + 1, variable, size);
1168             name[size + 1] = '\0';
1169             variable = name;
1170         }*/
1171     }
1172
1173     const char *Getter() {
1174         if (getter_ == NULL)
1175             getter_ = apr_pstrdup(pool_, name);
1176         return getter_;
1177     }
1178
1179     const char *Setter() {
1180         if (setter_ == NULL && !readonly) {
1181             size_t length(strlen(name));
1182
1183             char *temp(new(pool_) char[length + 5]);
1184             temp[0] = 's';
1185             temp[1] = 'e';
1186             temp[2] = 't';
1187
1188             if (length != 0) {
1189                 temp[3] = toupper(name[0]);
1190                 memcpy(temp + 4, name + 1, length - 1);
1191             }
1192
1193             temp[length + 3] = ':';
1194             temp[length + 4] = '\0';
1195             setter_ = temp;
1196         }
1197
1198         return setter_;
1199     }
1200
1201 };
1202 #endif
1203 #endif
1204
1205 #ifdef __OBJC__
1206 #ifdef __APPLE__
1207 NSObject *NSCFType$cy$toJSON(id self, SEL sel, NSString *key) {
1208     return [(NSString *) CFCopyDescription((CFTypeRef) self) autorelease];
1209 }
1210 #endif
1211 #endif
1212
1213 #ifdef __OBJC__
1214 #ifndef __APPLE__
1215 @interface CYWebUndefined : NSObject {
1216 }
1217
1218 + (CYWebUndefined *) undefined;
1219
1220 @end
1221
1222 @implementation CYWebUndefined
1223
1224 + (CYWebUndefined *) undefined {
1225     static CYWebUndefined *instance_([[CYWebUndefined alloc] init]);
1226     return instance_;
1227 }
1228
1229 @end
1230
1231 #define WebUndefined CYWebUndefined
1232 #endif
1233 #endif
1234
1235 #ifdef __OBJC__
1236 /* Bridge: NSArray {{{ */
1237 @implementation NSArray (Cycript)
1238
1239 - (NSString *) cy$toCYON {
1240     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
1241     [json appendString:@"["];
1242
1243     bool comma(false);
1244 #ifdef __APPLE__
1245     for (id object in self) {
1246 #else
1247     id object;
1248     for (size_t index(0), count([self count]); index != count; ++index) {
1249         object = [self objectAtIndex:index];
1250 #endif
1251         if (comma)
1252             [json appendString:@","];
1253         else
1254             comma = true;
1255         if (object == nil || [object cy$JSType] != kJSTypeUndefined)
1256             [json appendString:CYCastNSCYON(object)];
1257         else {
1258             [json appendString:@","];
1259             comma = false;
1260         }
1261     }
1262
1263     [json appendString:@"]"];
1264     return json;
1265 }
1266
1267 - (bool) cy$hasProperty:(NSString *)name {
1268     if ([name isEqualToString:@"length"])
1269         return true;
1270
1271     size_t index(CYGetIndex(name));
1272     if (index == _not(size_t) || index >= [self count])
1273         return [super cy$hasProperty:name];
1274     else
1275         return true;
1276 }
1277
1278 - (NSObject *) cy$getProperty:(NSString *)name {
1279     if ([name isEqualToString:@"length"]) {
1280         NSUInteger count([self count]);
1281 #ifdef __APPLE__
1282         return [NSNumber numberWithUnsignedInteger:count];
1283 #else
1284         return [NSNumber numberWithUnsignedInt:count];
1285 #endif
1286     }
1287
1288     size_t index(CYGetIndex(name));
1289     if (index == _not(size_t) || index >= [self count])
1290         return [super cy$getProperty:name];
1291     else
1292         return [self objectAtIndex:index];
1293 }
1294
1295 @end
1296 /* }}} */
1297 /* Bridge: NSDictionary {{{ */
1298 @implementation NSDictionary (Cycript)
1299
1300 - (NSString *) cy$toCYON {
1301     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
1302     [json appendString:@"{"];
1303
1304     bool comma(false);
1305 #ifdef __APPLE__
1306     for (id key in self) {
1307 #else
1308     NSEnumerator *keys([self keyEnumerator]);
1309     while (id key = [keys nextObject]) {
1310 #endif
1311         if (comma)
1312             [json appendString:@","];
1313         else
1314             comma = true;
1315         [json appendString:[key cy$toKey]];
1316         [json appendString:@":"];
1317         NSObject *object([self objectForKey:key]);
1318         [json appendString:CYCastNSCYON(object)];
1319     }
1320
1321     [json appendString:@"}"];
1322     return json;
1323 }
1324
1325 - (bool) cy$hasProperty:(NSString *)name {
1326     return [self objectForKey:name] != nil;
1327 }
1328
1329 - (NSObject *) cy$getProperty:(NSString *)name {
1330     return [self objectForKey:name];
1331 }
1332
1333 @end
1334 /* }}} */
1335 /* Bridge: NSMutableArray {{{ */
1336 @implementation NSMutableArray (Cycript)
1337
1338 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1339     if ([name isEqualToString:@"length"]) {
1340         // XXX: is this not intelligent?
1341         NSNumber *number(reinterpret_cast<NSNumber *>(value));
1342 #ifdef __APPLE__
1343         NSUInteger size([number unsignedIntegerValue]);
1344 #else
1345         NSUInteger size([number unsignedIntValue]);
1346 #endif
1347         NSUInteger count([self count]);
1348         if (size < count)
1349             [self removeObjectsInRange:NSMakeRange(size, count - size)];
1350         else if (size != count) {
1351             WebUndefined *undefined([WebUndefined undefined]);
1352             for (size_t i(count); i != size; ++i)
1353                 [self addObject:undefined];
1354         }
1355         return true;
1356     }
1357
1358     size_t index(CYGetIndex(name));
1359     if (index == _not(size_t))
1360         return [super cy$setProperty:name to:value];
1361
1362     id object(value ?: [NSNull null]);
1363
1364     size_t count([self count]);
1365     if (index < count)
1366         [self replaceObjectAtIndex:index withObject:object];
1367     else {
1368         if (index != count) {
1369             WebUndefined *undefined([WebUndefined undefined]);
1370             for (size_t i(count); i != index; ++i)
1371                 [self addObject:undefined];
1372         }
1373
1374         [self addObject:object];
1375     }
1376
1377     return true;
1378 }
1379
1380 - (bool) cy$deleteProperty:(NSString *)name {
1381     size_t index(CYGetIndex(name));
1382     if (index == _not(size_t) || index >= [self count])
1383         return [super cy$deleteProperty:name];
1384     [self replaceObjectAtIndex:index withObject:[WebUndefined undefined]];
1385     return true;
1386 }
1387
1388 @end
1389 /* }}} */
1390 /* Bridge: NSMutableDictionary {{{ */
1391 @implementation NSMutableDictionary (Cycript)
1392
1393 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1394     [self setObject:(value ?: [NSNull null]) forKey:name];
1395     return true;
1396 }
1397
1398 - (bool) cy$deleteProperty:(NSString *)name {
1399     if ([self objectForKey:name] == nil)
1400         return false;
1401     else {
1402         [self removeObjectForKey:name];
1403         return true;
1404     }
1405 }
1406
1407 @end
1408 /* }}} */
1409 /* Bridge: NSNumber {{{ */
1410 @implementation NSNumber (Cycript)
1411
1412 - (JSType) cy$JSType {
1413 #ifdef __APPLE__
1414     // XXX: this just seems stupid
1415     if ([self class] == NSCFBoolean_)
1416         return kJSTypeBoolean;
1417 #endif
1418     return kJSTypeNumber;
1419 }
1420
1421 - (NSObject *) cy$toJSON:(NSString *)key {
1422     return self;
1423 }
1424
1425 - (NSString *) cy$toCYON {
1426     return [self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false";
1427 }
1428
1429 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1430     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
1431 }
1432
1433 @end
1434 /* }}} */
1435 /* Bridge: NSNull {{{ */
1436 @implementation NSNull (Cycript)
1437
1438 - (JSType) cy$JSType {
1439     return kJSTypeNull;
1440 }
1441
1442 - (NSObject *) cy$toJSON:(NSString *)key {
1443     return self;
1444 }
1445
1446 - (NSString *) cy$toCYON {
1447     return @"null";
1448 }
1449
1450 @end
1451 /* }}} */
1452 /* Bridge: NSObject {{{ */
1453 @implementation NSObject (Cycript)
1454
1455 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1456     return CYMakeInstance(context, self, false);
1457 }
1458
1459 - (JSType) cy$JSType {
1460     return kJSTypeObject;
1461 }
1462
1463 - (NSObject *) cy$toJSON:(NSString *)key {
1464     return [self description];
1465 }
1466
1467 - (NSString *) cy$toCYON {
1468     return [[self cy$toJSON:@""] cy$toCYON];
1469 }
1470
1471 - (NSString *) cy$toKey {
1472     return [self cy$toCYON];
1473 }
1474
1475 - (bool) cy$hasProperty:(NSString *)name {
1476     return false;
1477 }
1478
1479 - (NSObject *) cy$getProperty:(NSString *)name {
1480     return nil;
1481 }
1482
1483 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1484     return false;
1485 }
1486
1487 - (bool) cy$deleteProperty:(NSString *)name {
1488     return false;
1489 }
1490
1491 @end
1492 /* }}} */
1493 /* Bridge: NSProxy {{{ */
1494 @implementation NSProxy (Cycript)
1495
1496 - (NSObject *) cy$toJSON:(NSString *)key {
1497     return [self description];
1498 }
1499
1500 - (NSString *) cy$toCYON {
1501     return [[self cy$toJSON:@""] cy$toCYON];
1502 }
1503
1504 @end
1505 /* }}} */
1506 /* Bridge: NSString {{{ */
1507 @implementation NSString (Cycript)
1508
1509 - (JSType) cy$JSType {
1510     return kJSTypeString;
1511 }
1512
1513 - (NSObject *) cy$toJSON:(NSString *)key {
1514     return self;
1515 }
1516
1517 - (NSString *) cy$toCYON {
1518     std::ostringstream str;
1519     CYUTF8String string(CYCastUTF8String(self));
1520     CYStringify(str, string.data, string.size);
1521     std::string value(str.str());
1522     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
1523 }
1524
1525 - (NSString *) cy$toKey {
1526     const char *value([self UTF8String]);
1527     size_t size(strlen(value));
1528
1529     if (size == 0)
1530         goto cyon;
1531
1532     if (DigitRange_[value[0]]) {
1533         size_t index(CYGetIndex(self));
1534         if (index == _not(size_t))
1535             goto cyon;
1536     } else {
1537         if (!WordStartRange_[value[0]])
1538             goto cyon;
1539         for (size_t i(1); i != size; ++i)
1540             if (!WordEndRange_[value[i]])
1541                 goto cyon;
1542     }
1543
1544     return self;
1545
1546   cyon:
1547     return [self cy$toCYON];
1548 }
1549
1550 - (void *) cy$symbol {
1551     CYPool pool;
1552     return dlsym(RTLD_DEFAULT, CYPoolCString(pool, self));
1553 }
1554
1555 @end
1556 /* }}} */
1557 /* Bridge: WebUndefined {{{ */
1558 @implementation WebUndefined (Cycript)
1559
1560 - (JSType) cy$JSType {
1561     return kJSTypeUndefined;
1562 }
1563
1564 - (NSObject *) cy$toJSON:(NSString *)key {
1565     return self;
1566 }
1567
1568 - (NSString *) cy$toCYON {
1569     return @"undefined";
1570 }
1571
1572 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1573     return CYJSUndefined(context);
1574 }
1575
1576 @end
1577 /* }}} */
1578
1579 /* Bridge: CYJSObject {{{ */
1580 @interface CYJSObject : NSMutableDictionary {
1581     JSObjectRef object_;
1582     JSContextRef context_;
1583 }
1584
1585 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
1586
1587 - (NSObject *) cy$toJSON:(NSString *)key;
1588
1589 - (NSUInteger) count;
1590 - (id) objectForKey:(id)key;
1591 - (NSEnumerator *) keyEnumerator;
1592 - (void) setObject:(id)object forKey:(id)key;
1593 - (void) removeObjectForKey:(id)key;
1594
1595 @end
1596 /* }}} */
1597 /* Bridge: CYJSArray {{{ */
1598 @interface CYJSArray : NSMutableArray {
1599     JSObjectRef object_;
1600     JSContextRef context_;
1601 }
1602
1603 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
1604
1605 - (NSUInteger) count;
1606 - (id) objectAtIndex:(NSUInteger)index;
1607
1608 - (void) addObject:(id)anObject;
1609 - (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
1610 - (void) removeLastObject;
1611 - (void) removeObjectAtIndex:(NSUInteger)index;
1612 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
1613
1614 @end
1615 /* }}} */
1616 #endif
1617
1618 #ifdef __OBJC__
1619 NSObject *CYCastNSObject_(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
1620     JSValueRef exception(NULL);
1621     bool array(JSValueIsInstanceOfConstructor(context, object, Array_, &exception));
1622     CYThrow(context, exception);
1623     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
1624     return CYPoolRelease(pool, [value initWithJSObject:object inContext:context]);
1625 }
1626
1627 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
1628     if (!JSValueIsObjectOfClass(context, object, Instance_))
1629         return CYCastNSObject_(pool, context, object);
1630     else {
1631         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1632         return internal->GetValue();
1633     }
1634 }
1635 #endif
1636
1637 double CYCastDouble(const char *value, size_t size) {
1638     char *end;
1639     double number(strtod(value, &end));
1640     if (end != value + size)
1641         return NAN;
1642     return number;
1643 }
1644
1645 double CYCastDouble(const char *value) {
1646     return CYCastDouble(value, strlen(value));
1647 }
1648
1649 double CYCastDouble(JSContextRef context, JSValueRef value) {
1650     JSValueRef exception(NULL);
1651     double number(JSValueToNumber(context, value, &exception));
1652     CYThrow(context, exception);
1653     return number;
1654 }
1655
1656 #ifdef __OBJC__
1657 NSNumber *CYCopyNSNumber(JSContextRef context, JSValueRef value) {
1658     return [[NSNumber alloc] initWithDouble:CYCastDouble(context, value)];
1659 }
1660 #endif
1661
1662 bool CYCastBool(JSContextRef context, JSValueRef value) {
1663     return JSValueToBoolean(context, value);
1664 }
1665
1666 #ifdef __OBJC__
1667 id CYNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value, bool cast) {
1668     id object;
1669     bool copy;
1670
1671     switch (JSType type = JSValueGetType(context, value)) {
1672         case kJSTypeUndefined:
1673             object = [WebUndefined undefined];
1674             copy = false;
1675         break;
1676
1677         case kJSTypeNull:
1678             return NULL;
1679         break;
1680
1681         case kJSTypeBoolean:
1682 #ifdef __APPLE__
1683             object = (id) (CYCastBool(context, value) ? kCFBooleanTrue : kCFBooleanFalse);
1684             copy = false;
1685 #else
1686             object = [[NSNumber alloc] initWithBool:CYCastBool(context, value)];
1687             copy = true;
1688 #endif
1689         break;
1690
1691         case kJSTypeNumber:
1692             object = CYCopyNSNumber(context, value);
1693             copy = true;
1694         break;
1695
1696         case kJSTypeString:
1697             object = CYCopyNSString(context, value);
1698             copy = true;
1699         break;
1700
1701         case kJSTypeObject:
1702             // XXX: this might could be more efficient
1703             object = CYCastNSObject(pool, context, (JSObjectRef) value);
1704             copy = false;
1705         break;
1706
1707         default:
1708             _throw(NSInternalInconsistencyException, "JSValueGetType() == 0x%x", type);
1709         break;
1710     }
1711
1712     if (cast != copy)
1713         return object;
1714     else if (copy)
1715         return CYPoolRelease(pool, object);
1716     else
1717         return [object retain];
1718 }
1719
1720 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1721     return CYNSObject(pool, context, value, true);
1722 }
1723 NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1724     return CYNSObject(pool, context, value, false);
1725 }
1726
1727 static bool CYIsClass(id self) {
1728     // XXX: this is a lame object_isClass
1729     return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
1730 }
1731
1732 Class CYCastClass(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1733     id self(CYCastNSObject(pool, context, value));
1734     if (CYIsClass(self))
1735         return (Class) self;
1736     _throw(NSInvalidArgumentException, "got something that is not a Class");
1737     return NULL;
1738 }
1739
1740 NSArray *CYCastNSArray(JSPropertyNameArrayRef names) {
1741     CYPool pool;
1742     size_t size(JSPropertyNameArrayGetCount(names));
1743     NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
1744     for (size_t index(0); index != size; ++index)
1745         [array addObject:CYCastNSString(pool, JSPropertyNameArrayGetNameAtIndex(names, index))];
1746     return array;
1747 }
1748 #endif
1749
1750 void CYThrow(JSContextRef context, JSValueRef value) {
1751     if (value == NULL)
1752         return;
1753 #ifdef __OBJC__
1754     @throw CYCastNSObject(NULL, context, value);
1755 #else
1756     // XXX: why not?
1757     throw value;
1758 #endif
1759 }
1760
1761 JSValueRef CYJSNull(JSContextRef context) {
1762     return JSValueMakeNull(context);
1763 }
1764
1765 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) {
1766     return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value);
1767 }
1768
1769 JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
1770     return CYCastJSValue(context, CYJSString(value));
1771 }
1772
1773 #ifdef __OBJC__
1774 JSValueRef CYCastJSValue(JSContextRef context, id value) {
1775     if (value == nil)
1776         return CYJSNull(context);
1777     else if ([value respondsToSelector:@selector(cy$JSValueInContext:)])
1778         return [value cy$JSValueInContext:context];
1779     else
1780         return CYMakeInstance(context, value, false);
1781 }
1782 #endif
1783
1784 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
1785     JSValueRef exception(NULL);
1786     JSObjectRef object(JSValueToObject(context, value, &exception));
1787     CYThrow(context, exception);
1788     return object;
1789 }
1790
1791 void CYThrow(JSContextRef context, id error, JSValueRef *exception) {
1792     if (exception == NULL)
1793         throw error;
1794     *exception = CYCastJSValue(context, error);
1795 }
1796
1797 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, JSValueRef arguments[]) {
1798     JSValueRef exception(NULL);
1799     JSValueRef value(JSObjectCallAsFunction(context, function, _this, count, arguments, &exception));
1800     CYThrow(context, exception);
1801     return value;
1802 }
1803
1804 bool CYIsCallable(JSContextRef context, JSValueRef value) {
1805     // XXX: this isn't actually correct
1806     return value != NULL && JSValueIsObject(context, value);
1807 }
1808
1809 #ifdef __OBJC__
1810 @implementation CYJSObject
1811
1812 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context {
1813     if ((self = [super init]) != nil) {
1814         object_ = object;
1815         context_ = context;
1816         JSValueProtect(context_, object_);
1817     } return self;
1818 }
1819
1820 - (void) dealloc {
1821     JSValueUnprotect(context_, object_);
1822     [super dealloc];
1823 }
1824
1825 - (NSObject *) cy$toJSON:(NSString *)key {
1826     JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_));
1827     if (!CYIsCallable(context_, toJSON))
1828         return [super cy$toJSON:key];
1829     else {
1830         JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
1831         JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
1832         // XXX: do I really want an NSNull here?!
1833         return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1834     }
1835 }
1836
1837 - (NSString *) cy$toCYON {
1838     JSValueRef toCYON(CYGetProperty(context_, object_, toCYON_));
1839     if (!CYIsCallable(context_, toCYON)) super:
1840         return [super cy$toCYON];
1841     else if (JSValueRef value = CYCallAsFunction(context_, (JSObjectRef) toCYON, object_, 0, NULL))
1842         return CYCastNSString(NULL, CYJSString(context_, value));
1843     else goto super;
1844 }
1845
1846 - (NSUInteger) count {
1847     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1848     size_t size(JSPropertyNameArrayGetCount(names));
1849     JSPropertyNameArrayRelease(names);
1850     return size;
1851 }
1852
1853 - (id) objectForKey:(id)key {
1854     JSValueRef value(CYGetProperty(context_, object_, CYJSString(key)));
1855     if (JSValueIsUndefined(context_, value))
1856         return nil;
1857     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1858 }
1859
1860 - (NSEnumerator *) keyEnumerator {
1861     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1862     NSEnumerator *enumerator([CYCastNSArray(names) objectEnumerator]);
1863     JSPropertyNameArrayRelease(names);
1864     return enumerator;
1865 }
1866
1867 - (void) setObject:(id)object forKey:(id)key {
1868     CYSetProperty(context_, object_, CYJSString(key), CYCastJSValue(context_, object));
1869 }
1870
1871 - (void) removeObjectForKey:(id)key {
1872     JSValueRef exception(NULL);
1873     (void) JSObjectDeleteProperty(context_, object_, CYJSString(key), &exception);
1874     CYThrow(context_, exception);
1875 }
1876
1877 @end
1878
1879 @implementation CYJSArray
1880
1881 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context {
1882     if ((self = [super init]) != nil) {
1883         object_ = object;
1884         context_ = context;
1885         JSValueProtect(context_, object_);
1886     } return self;
1887 }
1888
1889 - (void) dealloc {
1890     JSValueUnprotect(context_, object_);
1891     [super dealloc];
1892 }
1893
1894 - (NSUInteger) count {
1895     return CYCastDouble(context_, CYGetProperty(context_, object_, length_));
1896 }
1897
1898 - (id) objectAtIndex:(NSUInteger)index {
1899     size_t bounds([self count]);
1900     if (index >= bounds)
1901         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1902     JSValueRef exception(NULL);
1903     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1904     CYThrow(context_, exception);
1905     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1906 }
1907
1908 - (void) addObject:(id)object {
1909     JSValueRef exception(NULL);
1910     JSValueRef arguments[1];
1911     arguments[0] = CYCastJSValue(context_, object);
1912     JSObjectCallAsFunction(context_, Array_push_, object_, 1, arguments, &exception);
1913     CYThrow(context_, exception);
1914 }
1915
1916 - (void) insertObject:(id)object atIndex:(NSUInteger)index {
1917     size_t bounds([self count] + 1);
1918     if (index >= bounds)
1919         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1920     JSValueRef exception(NULL);
1921     JSValueRef arguments[3];
1922     arguments[0] = CYCastJSValue(context_, index);
1923     arguments[1] = CYCastJSValue(context_, 0);
1924     arguments[2] = CYCastJSValue(context_, object);
1925     JSObjectCallAsFunction(context_, Array_splice_, object_, 3, arguments, &exception);
1926     CYThrow(context_, exception);
1927 }
1928
1929 - (void) removeLastObject {
1930     JSValueRef exception(NULL);
1931     JSObjectCallAsFunction(context_, Array_pop_, object_, 0, NULL, &exception);
1932     CYThrow(context_, exception);
1933 }
1934
1935 - (void) removeObjectAtIndex:(NSUInteger)index {
1936     size_t bounds([self count]);
1937     if (index >= bounds)
1938         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1939     JSValueRef exception(NULL);
1940     JSValueRef arguments[2];
1941     arguments[0] = CYCastJSValue(context_, index);
1942     arguments[1] = CYCastJSValue(context_, 1);
1943     JSObjectCallAsFunction(context_, Array_splice_, object_, 2, arguments, &exception);
1944     CYThrow(context_, exception);
1945 }
1946
1947 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object {
1948     size_t bounds([self count]);
1949     if (index >= bounds)
1950         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1951     CYSetProperty(context_, object_, index, CYCastJSValue(context_, object));
1952 }
1953
1954 @end
1955 #endif
1956
1957 NSString *CYCopyNSCYON(JSContextRef context, JSValueRef value, JSValueRef *exception) {
1958     if (JSValueIsNull(context, value))
1959         return [@"null" retain];
1960
1961     CYTry {
1962         CYPoolTry {
1963             return [CYCastNSCYON(CYCastNSObject(NULL, context, value)) retain];
1964         } CYPoolCatch(NULL)
1965     } CYCatch
1966 }
1967
1968 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value, JSValueRef *exception) {
1969     if (NSString *json = CYCopyNSCYON(context, value, exception)) {
1970         const char *string(CYPoolCString(pool, json));
1971         [json release];
1972         return string;
1973     } else return NULL;
1974 }
1975
1976 #ifdef __OBJC__
1977 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
1978 struct CYInternal :
1979     CYData
1980 {
1981     JSObjectRef object_;
1982
1983     CYInternal() :
1984         object_(NULL)
1985     {
1986     }
1987
1988     ~CYInternal() {
1989         // XXX: delete object_? ;(
1990     }
1991
1992     static CYInternal *Get(id self) {
1993         CYInternal *internal(NULL);
1994         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
1995             // XXX: do something epic? ;P
1996         }
1997
1998         return internal;
1999     }
2000
2001     static CYInternal *Set(id self) {
2002         CYInternal *internal(NULL);
2003         if (Ivar ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
2004             if (internal == NULL) {
2005                 internal = new CYInternal();
2006                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
2007             }
2008         } else {
2009             // XXX: do something epic? ;P
2010         }
2011
2012         return internal;
2013     }
2014
2015     bool HasProperty(JSContextRef context, JSStringRef name) {
2016         if (object_ == NULL)
2017             return false;
2018         return JSObjectHasProperty(context, object_, name);
2019     }
2020
2021     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
2022         if (object_ == NULL)
2023             return NULL;
2024         return CYGetProperty(context, object_, name);
2025     }
2026
2027     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
2028         if (object_ == NULL)
2029             object_ = JSObjectMake(context, NULL, NULL);
2030         CYSetProperty(context, object_, name, value);
2031     }
2032 };
2033 #endif
2034
2035 #ifdef __OBJC__
2036 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
2037     Selector_privateData *internal(new Selector_privateData(sel));
2038     return JSObjectMake(context, Selector_, internal);
2039 }
2040 #endif
2041
2042 static JSObjectRef CYMakePointer(JSContextRef context, void *pointer, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
2043     Pointer *internal(new Pointer(pointer, context, owner, type));
2044     return JSObjectMake(context, Pointer_, internal);
2045 }
2046
2047 static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) {
2048     Functor_privateData *internal(new Functor_privateData(type, function));
2049     return JSObjectMake(context, Functor_, internal);
2050 }
2051
2052 static CYUTF16String CYCastUTF16String(JSStringRef value) {
2053     return CYUTF16String(JSStringGetCharactersPtr(value), JSStringGetLength(value));
2054 }
2055
2056 // XXX: sometimes pool is null
2057 static CYUTF8String CYPoolUTF8String(apr_pool_t *pool, JSStringRef value) {
2058     CYUTF16String utf16(CYCastUTF16String(value));
2059     const char *in(reinterpret_cast<const char *>(utf16.data));
2060
2061     iconv_t conversion(_syscall(iconv_open("UTF-8", "UCS-2-INTERNAL")));
2062
2063     size_t size(JSStringGetMaximumUTF8CStringSize(value));
2064     char *out(new(pool) char[size]);
2065     CYUTF8String utf8(out, size);
2066
2067     size = utf16.size * 2;
2068     _syscall(iconv(conversion, const_cast<char **>(&in), &size, &out, &utf8.size));
2069
2070     *out = '\0';
2071     utf8.size = out - utf8.data;
2072
2073     _syscall(iconv_close(conversion));
2074
2075     return utf8;
2076 }
2077
2078 static const char *CYPoolCString(apr_pool_t *pool, JSStringRef value) {
2079     CYUTF8String utf8(CYPoolUTF8String(pool, value));
2080     _assert(memchr(utf8.data, '\0', utf8.size) == NULL);
2081     return utf8.data;
2082 }
2083
2084 static const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
2085     return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, CYJSString(context, value));
2086 }
2087
2088 static bool CYGetOffset(apr_pool_t *pool, JSStringRef value, ssize_t &index) {
2089     return CYGetOffset(CYPoolCString(pool, value), index);
2090 }
2091
2092 static void *CYCastPointer_(JSContextRef context, JSValueRef value) {
2093     switch (JSValueGetType(context, value)) {
2094         case kJSTypeNull:
2095             return NULL;
2096         /*case kJSTypeString:
2097             return dlsym(RTLD_DEFAULT, CYCastCString(context, value));
2098         case kJSTypeObject:
2099             if (JSValueIsObjectOfClass(context, value, Pointer_)) {
2100                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate((JSObjectRef) value)));
2101                 return internal->value_;
2102             }*/
2103         default:
2104             double number(CYCastDouble(context, value));
2105             if (std::isnan(number))
2106                 _throw(NSInvalidArgumentException, "cannot convert value to pointer");
2107             return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
2108     }
2109 }
2110
2111 template <typename Type_>
2112 static _finline Type_ CYCastPointer(JSContextRef context, JSValueRef value) {
2113     return reinterpret_cast<Type_>(CYCastPointer_(context, value));
2114 }
2115
2116 #ifdef __OBJC__
2117 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
2118     if (JSValueIsObjectOfClass(context, value, Selector_)) {
2119         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
2120         return reinterpret_cast<SEL>(internal->value_);
2121     } else
2122         return CYCastPointer<SEL>(context, value);
2123 }
2124 #endif
2125
2126 static void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) {
2127     switch (type->primitive) {
2128         case sig::boolean_P:
2129             *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
2130         break;
2131
2132 #define CYPoolFFI_(primitive, native) \
2133         case sig::primitive ## _P: \
2134             *reinterpret_cast<native *>(data) = CYCastDouble(context, value); \
2135         break;
2136
2137         CYPoolFFI_(uchar, unsigned char)
2138         CYPoolFFI_(char, char)
2139         CYPoolFFI_(ushort, unsigned short)
2140         CYPoolFFI_(short, short)
2141         CYPoolFFI_(ulong, unsigned long)
2142         CYPoolFFI_(long, long)
2143         CYPoolFFI_(uint, unsigned int)
2144         CYPoolFFI_(int, int)
2145         CYPoolFFI_(ulonglong, unsigned long long)
2146         CYPoolFFI_(longlong, long long)
2147         CYPoolFFI_(float, float)
2148         CYPoolFFI_(double, double)
2149
2150 #ifdef __OBJC__
2151         case sig::object_P:
2152         case sig::typename_P:
2153             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
2154         break;
2155
2156         case sig::selector_P:
2157             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
2158         break;
2159 #endif
2160
2161         case sig::pointer_P:
2162             *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value);
2163         break;
2164
2165         case sig::string_P:
2166             *reinterpret_cast<const char **>(data) = CYPoolCString(pool, context, value);
2167         break;
2168
2169         case sig::struct_P: {
2170             uint8_t *base(reinterpret_cast<uint8_t *>(data));
2171             JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
2172             for (size_t index(0); index != type->data.signature.count; ++index) {
2173                 sig::Element *element(&type->data.signature.elements[index]);
2174                 ffi_type *field(ffi->elements[index]);
2175
2176                 JSValueRef rhs;
2177                 if (aggregate == NULL)
2178                     rhs = value;
2179                 else {
2180                     rhs = CYGetProperty(context, aggregate, index);
2181                     if (JSValueIsUndefined(context, rhs)) {
2182                         if (element->name != NULL)
2183                             rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
2184                         else
2185                             goto undefined;
2186                         if (JSValueIsUndefined(context, rhs)) undefined:
2187                             _throw(NSInvalidArgumentException, "unable to extract structure value");
2188                     }
2189                 }
2190
2191                 CYPoolFFI(pool, context, element->type, field, base, rhs);
2192                 // XXX: alignment?
2193                 base += field->size;
2194             }
2195         } break;
2196
2197         case sig::void_P:
2198         break;
2199
2200         default:
2201             fprintf(stderr, "CYPoolFFI(%c)\n", type->primitive);
2202             _assert(false);
2203     }
2204 }
2205
2206 static JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize = false, JSObjectRef owner = NULL) {
2207     JSValueRef value;
2208
2209     switch (type->primitive) {
2210         case sig::boolean_P:
2211             value = CYCastJSValue(context, *reinterpret_cast<bool *>(data));
2212         break;
2213
2214 #define CYFromFFI_(primitive, native) \
2215         case sig::primitive ## _P: \
2216             value = CYCastJSValue(context, *reinterpret_cast<native *>(data)); \
2217         break;
2218
2219         CYFromFFI_(uchar, unsigned char)
2220         CYFromFFI_(char, char)
2221         CYFromFFI_(ushort, unsigned short)
2222         CYFromFFI_(short, short)
2223         CYFromFFI_(ulong, unsigned long)
2224         CYFromFFI_(long, long)
2225         CYFromFFI_(uint, unsigned int)
2226         CYFromFFI_(int, int)
2227         CYFromFFI_(ulonglong, unsigned long long)
2228         CYFromFFI_(longlong, long long)
2229         CYFromFFI_(float, float)
2230         CYFromFFI_(double, double)
2231
2232 #ifdef __OBJC__
2233         case sig::object_P: {
2234             if (id object = *reinterpret_cast<id *>(data)) {
2235                 value = CYCastJSValue(context, object);
2236                 if (initialize)
2237                     [object release];
2238             } else goto null;
2239         } break;
2240
2241         case sig::typename_P:
2242             value = CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
2243         break;
2244
2245         case sig::selector_P:
2246             if (SEL sel = *reinterpret_cast<SEL *>(data))
2247                 value = CYMakeSelector(context, sel);
2248             else goto null;
2249         break;
2250 #endif
2251
2252         case sig::pointer_P:
2253             if (void *pointer = *reinterpret_cast<void **>(data))
2254                 value = CYMakePointer(context, pointer, type->data.data.type, ffi, owner);
2255             else goto null;
2256         break;
2257
2258         case sig::string_P:
2259             if (char *utf8 = *reinterpret_cast<char **>(data))
2260                 value = CYCastJSValue(context, utf8);
2261             else goto null;
2262         break;
2263
2264         case sig::struct_P:
2265             value = CYMakeStruct(context, data, type, ffi, owner);
2266         break;
2267
2268         case sig::void_P:
2269             value = CYJSUndefined(context);
2270         break;
2271
2272         null:
2273             value = CYJSNull(context);
2274         break;
2275
2276         default:
2277             fprintf(stderr, "CYFromFFI(%c)\n", type->primitive);
2278             _assert(false);
2279     }
2280
2281     return value;
2282 }
2283
2284 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
2285     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
2286         if (!devoid)
2287             return true;
2288         char type[16];
2289         method_getReturnType(method, type, sizeof(type));
2290         if (type[0] != 'v')
2291             return true;
2292     }
2293
2294     // XXX: possibly use a more "awesome" check?
2295     return false;
2296 }
2297
2298 static const char *CYPoolTypeEncoding(apr_pool_t *pool, Class _class, SEL sel, objc_method *method) {
2299     if (method != NULL)
2300         return method_getTypeEncoding(method);
2301     else if (NSString *type = [[Bridge_ objectAtIndex:1] objectForKey:CYCastNSString(pool, sel)])
2302         return CYPoolCString(pool, type);
2303     else
2304         return NULL;
2305 }
2306
2307 static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
2308     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
2309
2310     JSContextRef context(internal->context_);
2311
2312     size_t count(internal->cif_.nargs);
2313     JSValueRef values[count];
2314
2315     for (size_t index(0); index != count; ++index)
2316         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
2317
2318     JSValueRef value(CYCallAsFunction(context, internal->function_, NULL, count, values));
2319     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
2320 }
2321
2322 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
2323     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
2324
2325     JSContextRef context(internal->context_);
2326
2327     size_t count(internal->cif_.nargs);
2328     JSValueRef values[count];
2329
2330     for (size_t index(0); index != count; ++index)
2331         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
2332
2333     JSObjectRef _this(CYCastJSObject(context, values[0]));
2334
2335     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
2336     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
2337 }
2338
2339 static Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const char *type, void (*callback)(ffi_cif *, void *, void **, void *)) {
2340     // XXX: in case of exceptions this will leak
2341     // XXX: in point of fact, this may /need/ to leak :(
2342     Closure_privateData *internal(new Closure_privateData(CYGetJSContext(), function, type));
2343
2344     ffi_closure *closure((ffi_closure *) _syscall(mmap(
2345         NULL, sizeof(ffi_closure),
2346         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
2347         -1, 0
2348     )));
2349
2350     ffi_status status(ffi_prep_closure(closure, &internal->cif_, callback, internal));
2351     _assert(status == FFI_OK);
2352
2353     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
2354
2355     internal->value_ = closure;
2356
2357     return internal;
2358 }
2359
2360 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const char *type) {
2361     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &FunctionClosure_));
2362     return JSObjectMake(context, Functor_, internal);
2363 }
2364
2365 static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const char *type) {
2366     JSValueRef exception(NULL);
2367     bool function(JSValueIsInstanceOfConstructor(context, value, Function_, &exception));
2368     CYThrow(context, exception);
2369
2370     if (function) {
2371         JSObjectRef function(CYCastJSObject(context, value));
2372         return CYMakeFunctor(context, function, type);
2373     } else {
2374         void (*function)()(CYCastPointer<void (*)()>(context, value));
2375         return CYMakeFunctor(context, function, type);
2376     }
2377 }
2378
2379 #ifdef __OBJC__
2380 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
2381     Message_privateData *internal(new Message_privateData(sel, type, imp));
2382     return JSObjectMake(context, Message_, internal);
2383 }
2384
2385 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
2386     JSObjectRef function(CYCastJSObject(context, value));
2387     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
2388     return reinterpret_cast<IMP>(internal->GetValue());
2389 }
2390
2391 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2392     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2393     Class _class(internal->GetValue());
2394
2395     CYPool pool;
2396     const char *name(CYPoolCString(pool, property));
2397
2398     if (SEL sel = sel_getUid(name))
2399         if (class_getInstanceMethod(_class, sel) != NULL)
2400             return true;
2401
2402     return false;
2403 }
2404
2405 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2406     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2407     Class _class(internal->GetValue());
2408
2409     CYPool pool;
2410     const char *name(CYPoolCString(pool, property));
2411
2412     if (SEL sel = sel_getUid(name))
2413         if (objc_method *method = class_getInstanceMethod(_class, sel))
2414             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
2415
2416     return NULL;
2417 }
2418
2419 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2420     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2421     Class _class(internal->GetValue());
2422
2423     CYPool pool;
2424     const char *name(CYPoolCString(pool, property));
2425
2426     SEL sel(sel_registerName(name));
2427
2428     objc_method *method(class_getInstanceMethod(_class, sel));
2429
2430     const char *type;
2431     IMP imp;
2432
2433     if (JSValueIsObjectOfClass(context, value, Message_)) {
2434         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
2435         type = sig::Unparse(pool, &message->signature_);
2436         imp = reinterpret_cast<IMP>(message->GetValue());
2437     } else {
2438         type = CYPoolTypeEncoding(pool, _class, sel, method);
2439         imp = CYMakeMessage(context, value, type);
2440     }
2441
2442     if (method != NULL)
2443         method_setImplementation(method, imp);
2444     else
2445         class_replaceMethod(_class, sel, imp, type);
2446
2447     return true;
2448 }
2449
2450 #if !__OBJC2__
2451 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2452     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2453     Class _class(internal->GetValue());
2454
2455     CYPool pool;
2456     const char *name(CYPoolCString(pool, property));
2457
2458     if (SEL sel = sel_getUid(name))
2459         if (objc_method *method = class_getInstanceMethod(_class, sel)) {
2460             objc_method_list list = {NULL, 1, {method}};
2461             class_removeMethods(_class, &list);
2462             return true;
2463         }
2464
2465     return false;
2466 }
2467 #endif
2468
2469 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2470     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2471     Class _class(internal->GetValue());
2472
2473     unsigned int size;
2474     objc_method **data(class_copyMethodList(_class, &size));
2475     for (size_t i(0); i != size; ++i)
2476         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
2477     free(data);
2478 }
2479
2480 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2481     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2482     id self(internal->GetValue());
2483
2484     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
2485         return true;
2486
2487     CYPool pool;
2488     NSString *name(CYCastNSString(pool, property));
2489
2490     if (CYInternal *internal = CYInternal::Get(self))
2491         if (internal->HasProperty(context, property))
2492             return true;
2493
2494     Class _class(object_getClass(self));
2495
2496     CYPoolTry {
2497         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
2498         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
2499             if ([self cy$hasProperty:name])
2500                 return true;
2501     } CYPoolCatch(false)
2502
2503     const char *string(CYPoolCString(pool, name));
2504
2505     if (class_getProperty(_class, string) != NULL)
2506         return true;
2507
2508     if (SEL sel = sel_getUid(string))
2509         if (CYImplements(self, _class, sel, true))
2510             return true;
2511
2512     return false;
2513 }
2514
2515 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2516     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2517     id self(internal->GetValue());
2518
2519     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
2520         return Internal::Make(context, self, object);
2521
2522     CYTry {
2523         CYPool pool;
2524         NSString *name(CYCastNSString(pool, property));
2525
2526         if (CYInternal *internal = CYInternal::Get(self))
2527             if (JSValueRef value = internal->GetProperty(context, property))
2528                 return value;
2529
2530         CYPoolTry {
2531             if (NSObject *data = [self cy$getProperty:name])
2532                 return CYCastJSValue(context, data);
2533         } CYPoolCatch(NULL)
2534
2535         const char *string(CYPoolCString(pool, name));
2536         Class _class(object_getClass(self));
2537
2538 #ifdef __APPLE__
2539         if (objc_property_t property = class_getProperty(_class, string)) {
2540             PropertyAttributes attributes(property);
2541             SEL sel(sel_registerName(attributes.Getter()));
2542             return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
2543         }
2544 #endif
2545
2546         if (SEL sel = sel_getUid(string))
2547             if (CYImplements(self, _class, sel, true))
2548                 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
2549
2550         return NULL;
2551     } CYCatch
2552 }
2553
2554 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2555     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2556     id self(internal->GetValue());
2557
2558     CYPool pool;
2559
2560     CYTry {
2561         NSString *name(CYCastNSString(pool, property));
2562         NSObject *data(CYCastNSObject(pool, context, value));
2563
2564         CYPoolTry {
2565             if ([self cy$setProperty:name to:data])
2566                 return true;
2567         } CYPoolCatch(NULL)
2568
2569         const char *string(CYPoolCString(pool, name));
2570         Class _class(object_getClass(self));
2571
2572 #ifdef __APPLE__
2573         if (objc_property_t property = class_getProperty(_class, string)) {
2574             PropertyAttributes attributes(property);
2575             if (const char *setter = attributes.Setter()) {
2576                 SEL sel(sel_registerName(setter));
2577                 JSValueRef arguments[1] = {value};
2578                 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
2579                 return true;
2580             }
2581         }
2582 #endif
2583
2584         size_t length(strlen(string));
2585
2586         char set[length + 5];
2587
2588         set[0] = 's';
2589         set[1] = 'e';
2590         set[2] = 't';
2591
2592         if (string[0] != '\0') {
2593             set[3] = toupper(string[0]);
2594             memcpy(set + 4, string + 1, length - 1);
2595         }
2596
2597         set[length + 3] = ':';
2598         set[length + 4] = '\0';
2599
2600         if (SEL sel = sel_getUid(set))
2601             if (CYImplements(self, _class, sel, false)) {
2602                 JSValueRef arguments[1] = {value};
2603                 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
2604             }
2605
2606         if (CYInternal *internal = CYInternal::Set(self)) {
2607             internal->SetProperty(context, property, value);
2608             return true;
2609         }
2610
2611         return false;
2612     } CYCatch
2613 }
2614
2615 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2616     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2617     id self(internal->GetValue());
2618
2619     CYTry {
2620         CYPoolTry {
2621             NSString *name(CYCastNSString(NULL, property));
2622             return [self cy$deleteProperty:name];
2623         } CYPoolCatch(NULL)
2624     } CYCatch
2625 }
2626
2627 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2628     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2629     id self(internal->GetValue());
2630
2631     CYPool pool;
2632     Class _class(object_getClass(self));
2633
2634     {
2635         unsigned int size;
2636         objc_property_t *data(class_copyPropertyList(_class, &size));
2637         for (size_t i(0); i != size; ++i)
2638             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
2639         free(data);
2640     }
2641 }
2642
2643 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2644     CYTry {
2645         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2646         JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
2647         return value;
2648     } CYCatch
2649 }
2650
2651 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) {
2652     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
2653     Class _class(internal->GetValue());
2654     if (!CYIsClass(_class))
2655         return false;
2656
2657     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
2658         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
2659         // XXX: this isn't always safe
2660         CYTry {
2661             return [linternal->GetValue() isKindOfClass:_class];
2662         } CYCatch
2663     }
2664
2665     return false;
2666 }
2667
2668 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2669     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2670     CYPool pool;
2671
2672     id self(internal->GetValue());
2673     const char *name(CYPoolCString(pool, property));
2674
2675     if (object_getInstanceVariable(self, name, NULL) != NULL)
2676         return true;
2677
2678     return false;
2679 }
2680
2681 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2682     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2683     CYPool pool;
2684
2685     CYTry {
2686         id self(internal->GetValue());
2687         const char *name(CYPoolCString(pool, property));
2688
2689         if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
2690             Type_privateData type(pool, ivar_getTypeEncoding(ivar));
2691             return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
2692         }
2693
2694         return NULL;
2695     } CYCatch
2696 }
2697
2698 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2699     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2700     CYPool pool;
2701
2702     CYTry {
2703         id self(internal->GetValue());
2704         const char *name(CYPoolCString(pool, property));
2705
2706         if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
2707             Type_privateData type(pool, ivar_getTypeEncoding(ivar));
2708             CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
2709             return true;
2710         }
2711
2712         return false;
2713     } CYCatch
2714 }
2715
2716 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
2717     if (Class super = class_getSuperclass(_class))
2718         Internal_getPropertyNames_(super, names);
2719
2720     unsigned int size;
2721     Ivar *data(class_copyIvarList(_class, &size));
2722     for (size_t i(0); i != size; ++i)
2723         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
2724     free(data);
2725 }
2726
2727 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2728     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2729     CYPool pool;
2730
2731     id self(internal->GetValue());
2732     Class _class(object_getClass(self));
2733
2734     Internal_getPropertyNames_(_class, names);
2735 }
2736
2737 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2738     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2739     return internal->GetOwner();
2740 }
2741 #endif
2742
2743 static bool Index_(apr_pool_t *pool, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
2744     Type_privateData *typical(internal->type_);
2745     sig::Type *type(typical->type_);
2746     if (type == NULL)
2747         return false;
2748
2749     const char *name(CYPoolCString(pool, property));
2750     size_t length(strlen(name));
2751     double number(CYCastDouble(name, length));
2752
2753     size_t count(type->data.signature.count);
2754
2755     if (std::isnan(number)) {
2756         if (property == NULL)
2757             return false;
2758
2759         sig::Element *elements(type->data.signature.elements);
2760
2761         for (size_t local(0); local != count; ++local) {
2762             sig::Element *element(&elements[local]);
2763             if (element->name != NULL && strcmp(name, element->name) == 0) {
2764                 index = local;
2765                 goto base;
2766             }
2767         }
2768
2769         return false;
2770     } else {
2771         index = static_cast<ssize_t>(number);
2772         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
2773             return false;
2774     }
2775
2776   base:
2777     ffi_type **elements(typical->GetFFI()->elements);
2778
2779     base = reinterpret_cast<uint8_t *>(internal->value_);
2780     for (ssize_t local(0); local != index; ++local)
2781         base += elements[local]->size;
2782
2783     return true;
2784 }
2785
2786 static JSValueRef Pointer_getIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef *exception) {
2787     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2788     Type_privateData *typical(internal->type_);
2789
2790     ffi_type *ffi(typical->GetFFI());
2791
2792     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
2793     base += ffi->size * index;
2794
2795     JSObjectRef owner(internal->GetOwner() ?: object);
2796
2797     CYTry {
2798         return CYFromFFI(context, typical->type_, ffi, base, false, owner);
2799     } CYCatch
2800 }
2801
2802 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2803     CYPool pool;
2804     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2805     Type_privateData *typical(internal->type_);
2806
2807     if (typical->type_ == NULL)
2808         return NULL;
2809
2810     ssize_t offset;
2811     if (!CYGetOffset(pool, property, offset))
2812         return NULL;
2813
2814     return Pointer_getIndex(context, object, offset, exception);
2815 }
2816
2817 static JSValueRef Pointer_getProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2818     return Pointer_getIndex(context, object, 0, exception);
2819 }
2820
2821 static bool Pointer_setIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value, JSValueRef *exception) {
2822     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2823     Type_privateData *typical(internal->type_);
2824
2825     ffi_type *ffi(typical->GetFFI());
2826
2827     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
2828     base += ffi->size * index;
2829
2830     CYTry {
2831         CYPoolFFI(NULL, context, typical->type_, ffi, base, value);
2832         return true;
2833     } CYCatch
2834 }
2835
2836 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2837     CYPool pool;
2838     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2839     Type_privateData *typical(internal->type_);
2840
2841     if (typical->type_ == NULL)
2842         return NULL;
2843
2844     ssize_t offset;
2845     if (!CYGetOffset(pool, property, offset))
2846         return NULL;
2847
2848     return Pointer_setIndex(context, object, offset, value, exception);
2849 }
2850
2851 static bool Pointer_setProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2852     return Pointer_setIndex(context, object, 0, value, exception);
2853 }
2854
2855 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2856     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
2857     Type_privateData *typical(internal->type_);
2858     return CYMakePointer(context, internal->value_, typical->type_, typical->ffi_, _this);
2859 }
2860
2861 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2862     CYPool pool;
2863     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
2864     Type_privateData *typical(internal->type_);
2865
2866     ssize_t index;
2867     uint8_t *base;
2868
2869     CYTry {
2870         if (!Index_(pool, internal, property, index, base))
2871             return NULL;
2872
2873         JSObjectRef owner(internal->GetOwner() ?: object);
2874
2875         return CYFromFFI(context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, false, owner);
2876     } CYCatch
2877 }
2878
2879 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2880     CYPool pool;
2881     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
2882     Type_privateData *typical(internal->type_);
2883
2884     ssize_t index;
2885     uint8_t *base;
2886
2887     CYTry {
2888         if (!Index_(pool, internal, property, index, base))
2889             return false;
2890
2891         CYPoolFFI(NULL, context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, value);
2892         return true;
2893     } CYCatch
2894 }
2895
2896 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2897     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
2898     Type_privateData *typical(internal->type_);
2899     sig::Type *type(typical->type_);
2900
2901     if (type == NULL)
2902         return;
2903
2904     size_t count(type->data.signature.count);
2905     sig::Element *elements(type->data.signature.elements);
2906
2907     char number[32];
2908
2909     for (size_t index(0); index != count; ++index) {
2910         const char *name;
2911         name = elements[index].name;
2912
2913         if (name == NULL) {
2914             sprintf(number, "%lu", index);
2915             name = number;
2916         }
2917
2918         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
2919     }
2920 }
2921
2922 JSValueRef CYCallFunction(apr_pool_t *pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception, sig::Signature *signature, ffi_cif *cif, void (*function)()) {
2923     CYTry {
2924         if (setups + count != signature->count - 1)
2925             _throw(NSInvalidArgumentException, "incorrect number of arguments to ffi function");
2926
2927         size_t size(setups + count);
2928         void *values[size];
2929         memcpy(values, setup, sizeof(void *) * setups);
2930
2931         for (size_t index(setups); index != size; ++index) {
2932             sig::Element *element(&signature->elements[index + 1]);
2933             ffi_type *ffi(cif->arg_types[index]);
2934             // XXX: alignment?
2935             values[index] = new(pool) uint8_t[ffi->size];
2936             CYPoolFFI(pool, context, element->type, ffi, values[index], arguments[index - setups]);
2937         }
2938
2939         uint8_t value[cif->rtype->size];
2940         ffi_call(cif, function, value, values);
2941
2942         return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize);
2943     } CYCatch
2944 }
2945
2946 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2947     CYTry {
2948         CYPool pool;
2949         NSString *name(CYCastNSString(pool, property));
2950         if (Class _class = NSClassFromString(name))
2951             return CYMakeInstance(context, _class, true);
2952         return NULL;
2953     } CYCatch
2954 }
2955
2956 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2957     size_t size(objc_getClassList(NULL, 0));
2958     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
2959
2960   get:
2961     size_t writ(objc_getClassList(data, size));
2962     if (size < writ) {
2963         size = writ;
2964         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
2965             data = copy;
2966             goto get;
2967         } else goto done;
2968     }
2969
2970     for (size_t i(0); i != writ; ++i)
2971         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
2972
2973   done:
2974     free(data);
2975 }
2976
2977 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2978     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
2979
2980     CYTry {
2981         CYPool pool;
2982         const char *name(CYPoolCString(pool, property));
2983         unsigned int size;
2984         const char **data(objc_copyClassNamesForImage(internal, &size));
2985         JSValueRef value;
2986         for (size_t i(0); i != size; ++i)
2987             if (strcmp(name, data[i]) == 0) {
2988                 if (Class _class = objc_getClass(name)) {
2989                     value = CYMakeInstance(context, _class, true);
2990                     goto free;
2991                 } else
2992                     break;
2993             }
2994         value = NULL;
2995       free:
2996         free(data);
2997         return value;
2998     } CYCatch
2999 }
3000
3001 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3002     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
3003     unsigned int size;
3004     const char **data(objc_copyClassNamesForImage(internal, &size));
3005     for (size_t i(0); i != size; ++i)
3006         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
3007     free(data);
3008 }
3009
3010 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3011     CYTry {
3012         CYPool pool;
3013         const char *name(CYPoolCString(pool, property));
3014         unsigned int size;
3015         const char **data(objc_copyImageNames(&size));
3016         for (size_t i(0); i != size; ++i)
3017             if (strcmp(name, data[i]) == 0) {
3018                 name = data[i];
3019                 goto free;
3020             }
3021         name = NULL;
3022       free:
3023         free(data);
3024         if (name == NULL)
3025             return NULL;
3026         JSObjectRef value(JSObjectMake(context, NULL, NULL));
3027         CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
3028         return value;
3029     } CYCatch
3030 }
3031
3032 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3033     unsigned int size;
3034     const char **data(objc_copyImageNames(&size));
3035     for (size_t i(0); i != size; ++i)
3036         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
3037     free(data);
3038 }
3039
3040 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3041     CYTry {
3042         CYPool pool;
3043         NSString *name(CYCastNSString(pool, property));
3044         if (Protocol *protocol = NSProtocolFromString(name))
3045             return CYMakeInstance(context, protocol, true);
3046         return NULL;
3047     } CYCatch
3048 }
3049
3050 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3051     unsigned int size;
3052     Protocol **data(objc_copyProtocolList(&size));
3053     for (size_t i(0); i != size; ++i)
3054         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
3055     free(data);
3056 }
3057
3058 static JSObjectRef CYMakeType(JSContextRef context, const char *type) {
3059     Type_privateData *internal(new Type_privateData(NULL, type));
3060     return JSObjectMake(context, Type_privateData::Class_, internal);
3061 }
3062
3063 static JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) {
3064     Type_privateData *internal(new Type_privateData(type));
3065     return JSObjectMake(context, Type_privateData::Class_, internal);
3066 }
3067
3068 static JSValueRef Runtime_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3069     if (JSStringIsEqualToUTF8CString(property, "nil"))
3070         return Instance::Make(context, nil);
3071
3072     CYTry {
3073         CYPool pool;
3074         NSString *name(CYCastNSString(pool, property));
3075         if (Class _class = NSClassFromString(name))
3076             return CYMakeInstance(context, _class, true);
3077         if (NSMutableArray *entry = [[Bridge_ objectAtIndex:0] objectForKey:name])
3078             switch ([[entry objectAtIndex:0] intValue]) {
3079                 case 0:
3080                     return JSEvaluateScript(CYGetJSContext(), CYJSString([entry objectAtIndex:1]), NULL, NULL, 0, NULL);
3081                 case 1:
3082                     return CYMakeFunctor(context, reinterpret_cast<void (*)()>([name cy$symbol]), CYPoolCString(pool, [entry objectAtIndex:1]));
3083                 case 2:
3084                     // XXX: this is horrendously inefficient
3085                     sig::Signature signature;
3086                     sig::Parse(pool, &signature, CYPoolCString(pool, [entry objectAtIndex:1]), &Structor_);
3087                     ffi_cif cif;
3088                     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
3089                     return CYFromFFI(context, signature.elements[0].type, cif.rtype, [name cy$symbol]);
3090             }
3091         if (NSMutableArray *entry = [[Bridge_ objectAtIndex:2] objectForKey:name])
3092             switch ([[entry objectAtIndex:0] intValue]) {
3093                 // XXX: implement case 0
3094                 case 1:
3095                     return CYMakeType(context, CYPoolCString(pool, [entry objectAtIndex:1]));
3096             }
3097         return NULL;
3098     } CYCatch
3099 }
3100
3101 #ifdef __OBJC__
3102 static bool stret(ffi_type *ffi_type) {
3103     return ffi_type->type == FFI_TYPE_STRUCT && (
3104         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
3105         struct_forward_array[ffi_type->size] != 0
3106     );
3107 }
3108 #endif
3109
3110 extern "C" {
3111     int *_NSGetArgc(void);
3112     char ***_NSGetArgv(void);
3113 }
3114
3115 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3116     CYTry {
3117         if (count == 0)
3118             printf("\n");
3119         else
3120             printf("%s\n", CYCastCString(context, arguments[0]));
3121         return CYJSUndefined(context);
3122     } CYCatch
3123 }
3124
3125 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class _class, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception) {
3126     const char *type;
3127
3128     if (_class == NULL)
3129         _class = object_getClass(self);
3130
3131     if (objc_method *method = class_getInstanceMethod(_class, _cmd))
3132         type = method_getTypeEncoding(method);
3133     else {
3134         CYTry {
3135             CYPoolTry {
3136                 NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
3137                 if (method == nil)
3138                     _throw(NSInvalidArgumentException, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
3139                 type = CYPoolCString(pool, [method _typeString]);
3140             } CYPoolCatch(NULL)
3141         } CYCatch
3142     }
3143
3144     objc_super super = {self, _class};
3145     void *arg0 = &super;
3146
3147     void *setup[2];
3148     setup[0] = &arg0;
3149     setup[1] = &_cmd;
3150
3151     sig::Signature signature;
3152     sig::Parse(pool, &signature, type, &Structor_);
3153
3154     ffi_cif cif;
3155     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
3156
3157     void (*function)() = stret(cif.rtype) ? reinterpret_cast<void (*)()>(&objc_msgSendSuper_stret) : reinterpret_cast<void (*)()>(&objc_msgSendSuper);
3158     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
3159 }
3160
3161 static size_t Nonce_(0);
3162
3163 static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3164     char name[16];
3165     sprintf(name, "%s%zu", CYCastCString(context, arguments[0]), Nonce_++);
3166     return CYCastJSValue(context, name);
3167 }
3168
3169 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3170     CYPool pool;
3171
3172     bool uninitialized;
3173
3174     id self;
3175     SEL _cmd;
3176     Class _class;
3177
3178     CYTry {
3179         if (count < 2)
3180             _throw(NSInvalidArgumentException, "too few arguments to objc_msgSend");
3181
3182         if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
3183             Super *internal(reinterpret_cast<Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
3184             self = internal->GetValue();
3185             _class = internal->class_;;
3186             uninitialized = false;
3187         } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
3188             Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
3189             self = internal->GetValue();
3190             _class = nil;
3191             uninitialized = internal->IsUninitialized();
3192             if (uninitialized)
3193                 internal->value_ = nil;
3194         } else {
3195             self = CYCastNSObject(pool, context, arguments[0]);
3196             _class = nil;
3197             uninitialized = false;
3198         }
3199
3200         if (self == nil)
3201             return CYJSNull(context);
3202
3203         _cmd = CYCastSEL(context, arguments[1]);
3204     } CYCatch
3205
3206     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
3207 }
3208
3209 #ifdef __OBJC__
3210 /* Hook: objc_registerClassPair {{{ */
3211 // XXX: replace this with associated objects
3212
3213 MSHook(void, CYDealloc, id self, SEL sel) {
3214     CYInternal *internal;
3215     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
3216     if (internal != NULL)
3217         delete internal;
3218     _CYDealloc(self, sel);
3219 }
3220
3221 MSHook(void, objc_registerClassPair, Class _class) {
3222     Class super(class_getSuperclass(_class));
3223     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
3224         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
3225         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
3226     }
3227
3228     _objc_registerClassPair(_class);
3229 }
3230
3231 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3232     CYTry {
3233         if (count != 1)
3234             _throw(NSInvalidArgumentException, "incorrect number of arguments to objc_registerClassPair");
3235         CYPool pool;
3236         NSObject *value(CYCastNSObject(pool, context, arguments[0]));
3237         if (value == NULL || !CYIsClass(value))
3238             _throw(NSInvalidArgumentException, "incorrect number of arguments to objc_registerClassPair");
3239         Class _class((Class) value);
3240         $objc_registerClassPair(_class);
3241         return CYJSUndefined(context);
3242     } CYCatch
3243 }
3244 /* }}} */
3245 #endif
3246
3247 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3248     JSGarbageCollect(context);
3249     return CYJSUndefined(context);
3250 }
3251
3252 #ifdef __OBJC__
3253 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3254     JSValueRef setup[count + 2];
3255     setup[0] = _this;
3256     setup[1] = object;
3257     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
3258     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
3259 }
3260
3261 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3262     CYPool pool;
3263     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
3264
3265     // XXX: handle Instance::Uninitialized?
3266     id self(CYCastNSObject(pool, context, _this));
3267
3268     void *setup[2];
3269     setup[0] = &self;
3270     setup[1] = &internal->sel_;
3271
3272     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
3273 }
3274 #endif
3275
3276 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3277     CYPool pool;
3278     Functor_privateData *internal(reinterpret_cast<Functor_privateData *>(JSObjectGetPrivate(object)));
3279     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
3280 }
3281
3282 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3283     CYTry {
3284         if (count != 2)
3285             _throw(NSInvalidArgumentException, "incorrect number of arguments to Super constructor");
3286         CYPool pool;
3287         NSObject *self(CYCastNSObject(pool, context, arguments[0]));
3288         Class _class(CYCastClass(pool, context, arguments[1]));
3289         return Super::Make(context, self, _class);
3290     } CYCatch
3291 }
3292
3293 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3294     CYTry {
3295         if (count != 1)
3296             _throw(NSInvalidArgumentException, "incorrect number of arguments to Selector constructor");
3297         const char *name(CYCastCString(context, arguments[0]));
3298         return CYMakeSelector(context, sel_registerName(name));
3299     } CYCatch
3300 }
3301
3302 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3303     CYTry {
3304         if (count != 2)
3305             _throw(NSInvalidArgumentException, "incorrect number of arguments to Functor constructor");
3306
3307         void *value(CYCastPointer<void *>(context, arguments[0]));
3308         const char *type(CYCastCString(context, arguments[1]));
3309
3310         CYPool pool;
3311
3312         sig::Signature signature;
3313         sig::Parse(pool, &signature, type, &Structor_);
3314
3315         return CYMakePointer(context, value, signature.elements[0].type, NULL, NULL);
3316     } CYCatch
3317 }
3318
3319 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3320     CYTry {
3321         if (count != 1)
3322             _throw(NSInvalidArgumentException, "incorrect number of arguments to Type constructor");
3323         const char *type(CYCastCString(context, arguments[0]));
3324         return CYMakeType(context, type);
3325     } CYCatch
3326 }
3327
3328 static JSValueRef Type_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3329     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3330
3331     CYTry {
3332         sig::Type type;
3333
3334         if (JSStringIsEqualToUTF8CString(property, "$cyi")) {
3335             type.primitive = sig::pointer_P;
3336             type.data.data.size = 0;
3337         } else {
3338             size_t index(CYGetIndex(NULL, property));
3339             if (index == _not(size_t))
3340                 return NULL;
3341             type.primitive = sig::array_P;
3342             type.data.data.size = index;
3343         }
3344
3345         type.name = NULL;
3346         type.flags = 0;
3347
3348         type.data.data.type = internal->type_;
3349
3350         return CYMakeType(context, &type);
3351     } CYCatch
3352 }
3353
3354 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3355     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3356
3357     CYTry {
3358         if (count != 1)
3359             _throw(NSInvalidArgumentException, "incorrect number of arguments to type cast function");
3360         sig::Type *type(internal->type_);
3361         ffi_type *ffi(internal->GetFFI());
3362         // XXX: alignment?
3363         uint8_t value[ffi->size];
3364         CYPool pool;
3365         CYPoolFFI(pool, context, type, ffi, value, arguments[0]);
3366         return CYFromFFI(context, type, ffi, value);
3367     } CYCatch
3368 }
3369
3370 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3371     CYTry {
3372         if (count != 0)
3373             _throw(NSInvalidArgumentException, "incorrect number of arguments to type cast function");
3374         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3375
3376         sig::Type *type(internal->type_);
3377         size_t size;
3378
3379         if (type->primitive != sig::array_P)
3380             size = 0;
3381         else {
3382             size = type->data.data.size;
3383             type = type->data.data.type;
3384         }
3385
3386         void *value(malloc(internal->GetFFI()->size));
3387         return CYMakePointer(context, value, type, NULL, NULL);
3388     } CYCatch
3389 }
3390
3391 #ifdef __OBJC__
3392 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3393     CYTry {
3394         if (count > 1)
3395             _throw(NSInvalidArgumentException, "incorrect number of arguments to Instance constructor");
3396         id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
3397         return Instance::Make(context, self);
3398     } CYCatch
3399 }
3400 #endif
3401
3402 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3403     CYTry {
3404         if (count != 2)
3405             _throw(NSInvalidArgumentException, "incorrect number of arguments to Functor constructor");
3406         const char *type(CYCastCString(context, arguments[1]));
3407         return CYMakeFunctor(context, arguments[0], type);
3408     } CYCatch
3409 }
3410
3411 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3412     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
3413     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
3414 }
3415
3416 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3417     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3418     Type_privateData *typical(internal->GetType());
3419
3420     sig::Type *type;
3421     ffi_type *ffi;
3422
3423     if (typical == NULL) {
3424         type = NULL;
3425         ffi = NULL;
3426     } else {
3427         type = typical->type_;
3428         ffi = typical->ffi_;
3429     }
3430
3431     return CYMakePointer(context, &internal->value_, type, ffi, object);
3432 }
3433
3434 static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3435     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3436
3437     CYTry {
3438         return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
3439     } CYCatch
3440 }
3441
3442 static JSValueRef CYValue_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3443     return CYValue_callAsFunction_valueOf(context, object, _this, count, arguments, exception);
3444 }
3445
3446 static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3447     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3448     char string[32];
3449     sprintf(string, "%p", internal->value_);
3450
3451     CYTry {
3452         return CYCastJSValue(context, string);
3453     } CYCatch
3454 }
3455
3456 #ifdef __OBJC__
3457 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3458     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3459     return Instance::Make(context, object_getClass(internal->GetValue()));
3460 }
3461
3462 static JSValueRef Instance_getProperty_protocol(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3463     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3464     id self(internal->GetValue());
3465     if (!CYIsClass(self))
3466         return CYJSUndefined(context);
3467     CYTry {
3468         return CYGetClassPrototype(context, self);
3469     } CYCatch
3470 }
3471
3472 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3473     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3474     id self(internal->GetValue());
3475     if (class_getInstanceMethod(object_getClass(self), @selector(alloc)) == NULL)
3476         return CYJSUndefined(context);
3477     return Messages::Make(context, self);
3478 }
3479
3480 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3481     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3482         return NULL;
3483
3484     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3485
3486     CYTry {
3487         CYPoolTry {
3488             return CYCastJSValue(context, CYJSString(CYCastNSCYON(internal->GetValue())));
3489         } CYPoolCatch(NULL)
3490     } CYCatch
3491 }
3492
3493 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3494     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3495         return NULL;
3496
3497     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3498
3499     CYTry {
3500         CYPoolTry {
3501             NSString *key(count == 0 ? nil : CYCastNSString(NULL, CYJSString(context, arguments[0])));
3502             // XXX: check for support of cy$toJSON?
3503             return CYCastJSValue(context, CYJSString([internal->GetValue() cy$toJSON:key]));
3504         } CYPoolCatch(NULL)
3505     } CYCatch
3506 }
3507
3508 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3509     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3510         return NULL;
3511
3512     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3513
3514     CYTry {
3515         CYPoolTry {
3516             return CYCastJSValue(context, CYJSString([internal->GetValue() description]));
3517         } CYPoolCatch(NULL)
3518     } CYCatch
3519 }
3520
3521 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3522     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3523
3524     CYTry {
3525         return CYCastJSValue(context, sel_getName(internal->GetValue()));
3526     } CYCatch
3527 }
3528
3529 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3530     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
3531 }
3532
3533 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3534     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3535     const char *name(sel_getName(internal->GetValue()));
3536
3537     CYTry {
3538         CYPoolTry {
3539             return CYCastJSValue(context, CYJSString([NSString stringWithFormat:@"@selector(%s)", name]));
3540         } CYPoolCatch(NULL)
3541     } CYCatch
3542 }
3543
3544 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3545     CYTry {
3546         if (count != 1)
3547             _throw(NSInvalidArgumentException, "incorrect number of arguments to Selector.type");
3548         CYPool pool;
3549         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3550         if (Class _class = CYCastClass(pool, context, arguments[0])) {
3551             SEL sel(internal->GetValue());
3552             if (objc_method *method = class_getInstanceMethod(_class, sel))
3553                 if (const char *type = CYPoolTypeEncoding(pool, _class, sel, method))
3554                     return CYCastJSValue(context, CYJSString(type));
3555         }
3556
3557         // XXX: do a lookup of some kind
3558         return CYJSNull(context);
3559     } CYCatch
3560 }
3561 #endif
3562
3563 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3564     CYTry {
3565         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
3566         CYPool pool;
3567         const char *type(sig::Unparse(pool, internal->type_));
3568         return CYCastJSValue(context, CYJSString(type));
3569     } CYCatch
3570 }
3571
3572 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3573     CYTry {
3574         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
3575         CYPool pool;
3576         const char *type(sig::Unparse(pool, internal->type_));
3577         size_t size(strlen(type));
3578         char *cyon(new(pool) char[12 + size + 1]);
3579         memcpy(cyon, "new Type(\"", 10);
3580         cyon[12 + size] = '\0';
3581         cyon[12 + size - 2] = '"';
3582         cyon[12 + size - 1] = ')';
3583         memcpy(cyon + 10, type, size);
3584         return CYCastJSValue(context, CYJSString(cyon));
3585     } CYCatch
3586 }
3587
3588 static JSValueRef Type_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3589     return Type_callAsFunction_toString(context, object, _this, count, arguments, exception);
3590 }
3591
3592 static JSStaticValue CYValue_staticValues[2] = {
3593     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
3594     {NULL, NULL, NULL, 0}
3595 };
3596
3597 static JSStaticValue Pointer_staticValues[2] = {
3598     {"$cyi", &Pointer_getProperty_$cyi, &Pointer_setProperty_$cyi, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3599     {NULL, NULL, NULL, 0}
3600 };
3601
3602 static JSStaticFunction Pointer_staticFunctions[4] = {
3603     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3604     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3605     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3606     {NULL, NULL, 0}
3607 };
3608
3609 static JSStaticFunction Struct_staticFunctions[2] = {
3610     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3611     {NULL, NULL, 0}
3612 };
3613
3614 static JSStaticFunction Functor_staticFunctions[4] = {
3615     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3616     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3617     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3618     {NULL, NULL, 0}
3619 };
3620
3621 #ifdef __OBJC__
3622 static JSStaticValue Instance_staticValues[5] = {
3623     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3624     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3625     {"prototype", &Instance_getProperty_protocol, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3626     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3627     {NULL, NULL, NULL, 0}
3628 };
3629
3630 static JSStaticFunction Instance_staticFunctions[5] = {
3631     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3632     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3633     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3634     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3635     {NULL, NULL, 0}
3636 };
3637
3638 static JSStaticFunction Internal_staticFunctions[2] = {
3639     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3640     {NULL, NULL, 0}
3641 };
3642
3643 static JSStaticFunction Selector_staticFunctions[5] = {
3644     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3645     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3646     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3647     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3648     {NULL, NULL, 0}
3649 };
3650 #endif
3651
3652 static JSStaticFunction Type_staticFunctions[4] = {
3653     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3654     {"toJSON", &Type_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3655     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3656     {NULL, NULL, 0}
3657 };
3658
3659 void CYSetArgs(int argc, const char *argv[]) {
3660     JSContextRef context(CYGetJSContext());
3661     JSValueRef args[argc];
3662     for (int i(0); i != argc; ++i)
3663         args[i] = CYCastJSValue(context, argv[i]);
3664     JSValueRef exception(NULL);
3665     JSObjectRef array(JSObjectMakeArray(context, argc, args, &exception));
3666     CYThrow(context, exception);
3667     CYSetProperty(context, System_, CYJSString("args"), array);
3668 }
3669
3670 JSObjectRef CYGetGlobalObject(JSContextRef context) {
3671     return JSContextGetGlobalObject(context);
3672 }
3673
3674 const char *CYExecute(apr_pool_t *pool, const char *code) { _pooled
3675     JSContextRef context(CYGetJSContext());
3676     JSValueRef exception(NULL), result;
3677
3678     try {
3679         result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception);
3680     } catch (const char *error) {
3681         return error;
3682     }
3683
3684     if (exception != NULL) { error:
3685         result = exception;
3686         exception = NULL;
3687     }
3688
3689     if (JSValueIsUndefined(context, result))
3690         return NULL;
3691
3692     const char *json;
3693
3694     try {
3695         json = CYPoolCCYON(pool, context, result, &exception);
3696     } catch (const char *error) {
3697         return error;
3698     }
3699
3700     if (exception != NULL)
3701         goto error;
3702
3703     CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
3704     return json;
3705 }
3706
3707 static apr_pool_t *Pool_;
3708
3709 apr_pool_t *CYGetGlobalPool() {
3710     return Pool_;
3711 }
3712
3713 MSInitialize { _pooled
3714     _aprcall(apr_initialize());
3715     _aprcall(apr_pool_create(&Pool_, NULL));
3716
3717     Bridge_ = [[NSMutableArray arrayWithContentsOfFile:@"/usr/lib/libcycript.plist"] retain];
3718
3719 #ifdef __OBJC__
3720     Type_privateData::Object = new(Pool_) Type_privateData(Pool_, "@");
3721     Type_privateData::Selector = new(Pool_) Type_privateData(Pool_, ":");
3722
3723 #ifdef __APPLE__
3724     NSCFBoolean_ = objc_getClass("NSCFBoolean");
3725     NSCFType_ = objc_getClass("NSCFType");
3726 #endif
3727
3728     NSArray_ = objc_getClass("NSArray");
3729     NSDictionary_ = objc_getClass("NSDictonary");
3730     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
3731     NSZombie_ = objc_getClass("_NSZombie_");
3732     Object_ = objc_getClass("Object");
3733 #endif
3734 }
3735
3736 JSGlobalContextRef CYGetJSContext() {
3737     if (Context_ == NULL) {
3738         JSClassDefinition definition;
3739
3740         definition = kJSClassDefinitionEmpty;
3741         definition.className = "Functor";
3742         definition.staticFunctions = Functor_staticFunctions;
3743         definition.callAsFunction = &Functor_callAsFunction;
3744         definition.finalize = &Finalize;
3745         Functor_ = JSClassCreate(&definition);
3746
3747         definition = kJSClassDefinitionEmpty;
3748         definition.className = "Pointer";
3749         definition.staticValues = Pointer_staticValues;
3750         definition.staticFunctions = Pointer_staticFunctions;
3751         definition.getProperty = &Pointer_getProperty;
3752         definition.setProperty = &Pointer_setProperty;
3753         definition.finalize = &Finalize;
3754         Pointer_ = JSClassCreate(&definition);
3755
3756         definition = kJSClassDefinitionEmpty;
3757         definition.className = "Selector";
3758         definition.staticValues = CYValue_staticValues;
3759         definition.staticFunctions = Selector_staticFunctions;
3760         definition.callAsFunction = &Selector_callAsFunction;
3761         definition.finalize = &Finalize;
3762         Selector_ = JSClassCreate(&definition);
3763
3764         definition = kJSClassDefinitionEmpty;
3765         definition.className = "Struct";
3766         definition.staticFunctions = Struct_staticFunctions;
3767         definition.getProperty = &Struct_getProperty;
3768         definition.setProperty = &Struct_setProperty;
3769         definition.getPropertyNames = &Struct_getPropertyNames;
3770         definition.finalize = &Finalize;
3771         Struct_ = JSClassCreate(&definition);
3772
3773         definition = kJSClassDefinitionEmpty;
3774         definition.className = "Type";
3775         definition.staticFunctions = Type_staticFunctions;
3776         definition.getProperty = &Type_getProperty;
3777         definition.callAsFunction = &Type_callAsFunction;
3778         definition.callAsConstructor = &Type_callAsConstructor;
3779         definition.finalize = &Finalize;
3780         Type_privateData::Class_ = JSClassCreate(&definition);
3781
3782         definition = kJSClassDefinitionEmpty;
3783         definition.className = "Runtime";
3784         definition.getProperty = &Runtime_getProperty;
3785         Runtime_ = JSClassCreate(&definition);
3786
3787         definition = kJSClassDefinitionEmpty;
3788         //definition.getProperty = &Global_getProperty;
3789         JSClassRef Global(JSClassCreate(&definition));
3790
3791         JSGlobalContextRef context(JSGlobalContextCreate(Global));
3792         Context_ = context;
3793         JSObjectRef global(CYGetGlobalObject(context));
3794
3795         JSObjectSetPrototype(context, global, JSObjectMake(context, Runtime_, NULL));
3796
3797         Array_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array")));
3798         Function_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function")));
3799         String_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String")));
3800
3801         length_ = JSStringCreateWithUTF8CString("length");
3802         message_ = JSStringCreateWithUTF8CString("message");
3803         name_ = JSStringCreateWithUTF8CString("name");
3804         prototype_ = JSStringCreateWithUTF8CString("prototype");
3805         toCYON_ = JSStringCreateWithUTF8CString("toCYON");
3806         toJSON_ = JSStringCreateWithUTF8CString("toJSON");
3807
3808         JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
3809         Object_prototype_ = CYCastJSObject(context, CYGetProperty(context, Object, prototype_));
3810
3811         Array_prototype_ = CYCastJSObject(context, CYGetProperty(context, Array_, prototype_));
3812         Array_pop_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("pop")));
3813         Array_push_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("push")));
3814         Array_splice_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("splice")));
3815
3816         JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new));
3817
3818 /* Objective-C Classes {{{ */
3819 #ifdef __OBJC__
3820         definition = kJSClassDefinitionEmpty;
3821         definition.className = "Instance";
3822         definition.staticValues = Instance_staticValues;
3823         definition.staticFunctions = Instance_staticFunctions;
3824         definition.hasProperty = &Instance_hasProperty;
3825         definition.getProperty = &Instance_getProperty;
3826         definition.setProperty = &Instance_setProperty;
3827         definition.deleteProperty = &Instance_deleteProperty;
3828         definition.getPropertyNames = &Instance_getPropertyNames;
3829         definition.callAsConstructor = &Instance_callAsConstructor;
3830         definition.hasInstance = &Instance_hasInstance;
3831         definition.finalize = &Finalize;
3832         Instance_ = JSClassCreate(&definition);
3833
3834         definition = kJSClassDefinitionEmpty;
3835         definition.className = "Internal";
3836         definition.staticFunctions = Internal_staticFunctions;
3837         definition.hasProperty = &Internal_hasProperty;
3838         definition.getProperty = &Internal_getProperty;
3839         definition.setProperty = &Internal_setProperty;
3840         definition.getPropertyNames = &Internal_getPropertyNames;
3841         definition.finalize = &Finalize;
3842         Internal_ = JSClassCreate(&definition);
3843
3844         definition = kJSClassDefinitionEmpty;
3845         definition.className = "Message";
3846         definition.staticFunctions = Functor_staticFunctions;
3847         definition.callAsFunction = &Message_callAsFunction;
3848         definition.finalize = &Finalize;
3849         Message_ = JSClassCreate(&definition);
3850
3851         definition = kJSClassDefinitionEmpty;
3852         definition.className = "Messages";
3853         definition.hasProperty = &Messages_hasProperty;
3854         definition.getProperty = &Messages_getProperty;
3855         definition.setProperty = &Messages_setProperty;
3856 #if !__OBJC2__
3857         definition.deleteProperty = &Messages_deleteProperty;
3858 #endif
3859         definition.getPropertyNames = &Messages_getPropertyNames;
3860         definition.finalize = &Finalize;
3861         Messages_ = JSClassCreate(&definition);
3862         definition = kJSClassDefinitionEmpty;
3863
3864         definition.className = "Super";
3865         Super_ = JSClassCreate(&definition);
3866
3867         definition.className = "ObjectiveC::Classes";
3868         definition.getProperty = &ObjectiveC_Classes_getProperty;
3869         definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
3870         ObjectiveC_Classes_ = JSClassCreate(&definition);
3871
3872         definition = kJSClassDefinitionEmpty;
3873         definition.className = "ObjectiveC::Images";
3874         definition.getProperty = &ObjectiveC_Images_getProperty;
3875         definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
3876         ObjectiveC_Images_ = JSClassCreate(&definition);
3877
3878         definition = kJSClassDefinitionEmpty;
3879         definition.className = "ObjectiveC::Image::Classes";
3880         definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
3881         definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
3882         ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
3883
3884         definition = kJSClassDefinitionEmpty;
3885         definition.className = "ObjectiveC::Protocols";
3886         definition.getProperty = &ObjectiveC_Protocols_getProperty;
3887         definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
3888         ObjectiveC_Protocols_ = JSClassCreate(&definition);
3889
3890         ObjectiveC_ = JSObjectMake(context, NULL, NULL);
3891         CYSetProperty(context, global, CYJSString("ObjectiveC"), ObjectiveC_);
3892
3893         CYSetProperty(context, ObjectiveC_, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
3894         CYSetProperty(context, ObjectiveC_, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
3895         CYSetProperty(context, ObjectiveC_, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
3896
3897         JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
3898         JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
3899         JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
3900         JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
3901
3902         Instance_prototype_ = (JSObjectRef) CYGetProperty(context, Instance, prototype_);
3903         JSValueProtect(context, Instance_prototype_);
3904
3905         CYSetProperty(context, global, CYJSString("Instance"), Instance);
3906         CYSetProperty(context, global, CYJSString("Selector"), Selector);
3907         CYSetProperty(context, global, CYJSString("Super"), Super);
3908
3909         CYSetProperty(context, global, CYJSString("objc_registerClassPair"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_registerClassPair"), &objc_registerClassPair_));
3910         CYSetProperty(context, global, CYJSString("objc_msgSend"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_msgSend"), &$objc_msgSend));
3911 #endif
3912 /* }}} */
3913
3914         JSValueRef function(CYGetProperty(context, Function_, prototype_));
3915         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Message, prototype_), function);
3916         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Functor, prototype_), function);
3917         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Selector, prototype_), function);
3918
3919         CYSetProperty(context, global, CYJSString("Functor"), Functor);
3920         CYSetProperty(context, global, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new));
3921         CYSetProperty(context, global, CYJSString("Type"), JSObjectMakeConstructor(context, Type_privateData::Class_, &Type_new));
3922
3923         MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
3924
3925 #ifdef __OBJC__
3926 #ifdef __APPLE__
3927         class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
3928 #endif
3929 #endif
3930
3931         JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
3932         CYSetProperty(context, global, CYJSString("Cycript"), cycript);
3933         CYSetProperty(context, cycript, CYJSString("gc"), JSObjectMakeFunctionWithCallback(context, CYJSString("gc"), &Cycript_gc_callAsFunction));
3934
3935         CYSetProperty(context, global, CYJSString("$cyq"), JSObjectMakeFunctionWithCallback(context, CYJSString("$cyq"), &$cyq));
3936
3937         System_ = JSObjectMake(context, NULL, NULL);
3938         CYSetProperty(context, global, CYJSString("system"), System_);
3939         CYSetProperty(context, System_, CYJSString("args"), CYJSNull(context));
3940         //CYSetProperty(context, System_, CYJSString("global"), global);
3941
3942         CYSetProperty(context, System_, CYJSString("print"), JSObjectMakeFunctionWithCallback(context, CYJSString("print"), &System_print));
3943
3944         Result_ = JSStringCreateWithUTF8CString("_");
3945
3946         JSValueProtect(context, Array_);
3947         JSValueProtect(context, Function_);
3948         JSValueProtect(context, String_);
3949
3950         JSValueProtect(context, Object_prototype_);
3951
3952         JSValueProtect(context, Array_prototype_);
3953         JSValueProtect(context, Array_pop_);
3954         JSValueProtect(context, Array_push_);
3955         JSValueProtect(context, Array_splice_);
3956     }
3957
3958     return Context_;
3959 }