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 #include <minimal/sqlite3.h>
  42
  43 #include <dlfcn.h>
  44 #include <iconv.h>
  45
  46 #include "cycript.hpp"
  47
  48 #include "sig/parse.hpp"
  49 #include "sig/ffi_type.hpp"
  50
  51 #include "Pooling.hpp"
  52
  53 #ifdef __OBJC__
  54 #include "Struct.hpp"
  55 #endif
  56
  57 #ifdef __APPLE__
  58 #include <CoreFoundation/CoreFoundation.h>
  59 #include <CoreFoundation/CFLogUtilities.h>
  60 #include <JavaScriptCore/JSStringRefCF.h>
  61 #endif
  62
  63 #ifdef __OBJC__
  64 #ifdef __APPLE__
  65 #include <WebKit/WebScriptObject.h>
  66 #endif
  67 #include <Foundation/Foundation.h>
  68 #endif
  69
  70 #include <sys/mman.h>
  71
  72 #include <iostream>
  73 #include <ext/stdio_filebuf.h>
  74 #include <set>
  75 #include <map>
  76 #include <iomanip>
  77 #include <sstream>
  78 #include <cmath>
  79
  80 #include "Parser.hpp"
  81 #include "Cycript.tab.hh"
  82
  83 #undef _assert
  84 #undef _trace
  85
  86 #ifdef __OBJC__
  87 #define _throw(name, args...) \
  88     @throw [NSException exceptionWithName:name reason:[NSString stringWithFormat:@args] userInfo:nil]
  89 #else
  90 #define _throw(name, args...) ({ \
  91     CYPool pool; \
  92     throw std::string(apr_psprintf(pool, args)); \
  93 })
  94 #endif
  95
  96 #define _assert(test, args...) do { \
  97     if (!(test)) \
  98         _throw(NSInternalInconsistencyException, "*** _assert(%s):%s(%u):%s [errno=%d]", #test, __FILE__, __LINE__, __FUNCTION__, errno); \
  99 } while (false)
 100
 101 #define _trace() do { \
 102     fprintf(stderr, "_trace():%u\n", __LINE__); \
 103 } while (false)
 104
 105 #ifdef __OBJC__
 106 #define CYCatch_ \
 107     catch (NSException *error) { \
 108         CYThrow(context, error, exception); \
 109         return NULL; \
 110     }
 111 #else
 112 #define CYCatch_
 113 #endif
 114
 115 #define CYTry \
 116     try
 117 #define CYCatch \
 118     CYCatch_ \
 119     catch (...) { \
 120         *exception = CYCastJSValue(context, "catch(...)"); \
 121         return NULL; \
 122     }
 123
 124 #ifdef __OBJC__
 125 #define CYPoolTry { \
 126     id _saved(nil); \
 127     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
 128     @try
 129 #define CYPoolCatch(value) \
 130     @catch (NSException *error) { \
 131         _saved = [error retain]; \
 132         @throw; \
 133         return value; \
 134     } @finally { \
 135         [_pool release]; \
 136         if (_saved != nil) \
 137             [_saved autorelease]; \
 138     } \
 139 }
 140 #else
 141 #define CYPoolTry {
 142 #define CYPoolCatch }
 143 #endif
 144
 145 #ifndef __APPLE__
 146 #define class_getSuperclass GSObjCSuper
 147 #define object_getClass GSObjCClass
 148 #endif
 149
 150 char *sqlite3_column_pooled(apr_pool_t *pool, sqlite3_stmt *stmt, int n) {
 151     if (const unsigned char *value = sqlite3_column_text(stmt, n))
 152         return apr_pstrdup(pool, (const char *) value);
 153     else return NULL;
 154 }
 155
 156 void CYThrow(JSContextRef context, JSValueRef value);
 157
 158 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class super, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception);
 159
 160 struct CYUTF8String {
 161     const char *data;
 162     size_t size;
 163
 164     CYUTF8String(const char *data, size_t size) :
 165         data(data),
 166         size(size)
 167     {
 168     }
 169 };
 170
 171 struct CYUTF16String {
 172     const uint16_t *data;
 173     size_t size;
 174
 175     CYUTF16String(const uint16_t *data, size_t size) :
 176         data(data),
 177         size(size)
 178     {
 179     }
 180 };
 181
 182 /* JavaScript Properties {{{ */
 183 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) {
 184     JSValueRef exception(NULL);
 185     JSValueRef value(JSObjectGetPropertyAtIndex(context, object, index, &exception));
 186     CYThrow(context, exception);
 187     return value;
 188 }
 189
 190 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
 191     JSValueRef exception(NULL);
 192     JSValueRef value(JSObjectGetProperty(context, object, name, &exception));
 193     CYThrow(context, exception);
 194     return value;
 195 }
 196
 197 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value) {
 198     JSValueRef exception(NULL);
 199     JSObjectSetPropertyAtIndex(context, object, index, value, &exception);
 200     CYThrow(context, exception);
 201 }
 202
 203 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value) {
 204     JSValueRef exception(NULL);
 205     JSObjectSetProperty(context, object, name, value, kJSPropertyAttributeNone, &exception);
 206     CYThrow(context, exception);
 207 }
 208 /* }}} */
 209 /* JavaScript Strings {{{ */
 210 JSStringRef CYCopyJSString(const char *value) {
 211     return value == NULL ? NULL : JSStringCreateWithUTF8CString(value);
 212 }
 213
 214 JSStringRef CYCopyJSString(JSStringRef value) {
 215     return value == NULL ? NULL : JSStringRetain(value);
 216 }
 217
 218 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
 219     if (JSValueIsNull(context, value))
 220         return NULL;
 221     JSValueRef exception(NULL);
 222     JSStringRef string(JSValueToStringCopy(context, value, &exception));
 223     CYThrow(context, exception);
 224     return string;
 225 }
 226
 227 class CYJSString {
 228   private:
 229     JSStringRef string_;
 230
 231     void Clear_() {
 232         if (string_ != NULL)
 233             JSStringRelease(string_);
 234     }
 235
 236   public:
 237     CYJSString(const CYJSString &rhs) :
 238         string_(CYCopyJSString(rhs.string_))
 239     {
 240     }
 241
 242     template <typename Arg0_>
 243     CYJSString(Arg0_ arg0) :
 244         string_(CYCopyJSString(arg0))
 245     {
 246     }
 247
 248     template <typename Arg0_, typename Arg1_>
 249     CYJSString(Arg0_ arg0, Arg1_ arg1) :
 250         string_(CYCopyJSString(arg0, arg1))
 251     {
 252     }
 253
 254     CYJSString &operator =(const CYJSString &rhs) {
 255         Clear_();
 256         string_ = CYCopyJSString(rhs.string_);
 257         return *this;
 258     }
 259
 260     ~CYJSString() {
 261         Clear_();
 262     }
 263
 264     void Clear() {
 265         Clear_();
 266         string_ = NULL;
 267     }
 268
 269     operator JSStringRef() const {
 270         return string_;
 271     }
 272 };
 273
 274 static CYUTF16String CYCastUTF16String(JSStringRef value) {
 275     return CYUTF16String(JSStringGetCharactersPtr(value), JSStringGetLength(value));
 276 }
 277
 278 static CYUTF8String CYPoolUTF8String(apr_pool_t *pool, JSStringRef value) {
 279     _assert(pool != NULL);
 280
 281     CYUTF16String utf16(CYCastUTF16String(value));
 282     const char *in(reinterpret_cast<const char *>(utf16.data));
 283
 284     iconv_t conversion(_syscall(iconv_open("UTF-8", "UCS-2-INTERNAL")));
 285
 286     size_t size(JSStringGetMaximumUTF8CStringSize(value));
 287     char *out(new(pool) char[size]);
 288     CYUTF8String utf8(out, size);
 289
 290     size = utf16.size * 2;
 291     _syscall(iconv(conversion, const_cast<char **>(&in), &size, &out, &utf8.size));
 292
 293     *out = '\0';
 294     utf8.size = out - utf8.data;
 295
 296     _syscall(iconv_close(conversion));
 297
 298     return utf8;
 299 }
 300
 301 static const char *CYPoolCString(apr_pool_t *pool, JSStringRef value) {
 302     CYUTF8String utf8(CYPoolUTF8String(pool, value));
 303     _assert(memchr(utf8.data, '\0', utf8.size) == NULL);
 304     return utf8.data;
 305 }
 306
 307 static const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 308     return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, CYJSString(context, value));
 309 }
 310 /* }}} */
 311 /* C Strings {{{ */
 312 // XXX: this macro is unhygenic
 313 #define CYCastCString_(string) ({ \
 314     char *utf8; \
 315     if (string == NULL) \
 316         utf8 = NULL; \
 317     else { \
 318         size_t size(JSStringGetMaximumUTF8CStringSize(string)); \
 319         utf8 = reinterpret_cast<char *>(alloca(size)); \
 320         JSStringGetUTF8CString(string, utf8, size); \
 321     } \
 322     utf8; \
 323 })
 324
 325 // XXX: this macro is unhygenic
 326 #define CYCastCString(context, value) ({ \
 327     char *utf8; \
 328     if (value == NULL) \
 329         utf8 = NULL; \
 330     else if (JSStringRef string = CYCopyJSString(context, value)) { \
 331         utf8 = CYCastCString_(string); \
 332         JSStringRelease(string); \
 333     } else \
 334         utf8 = NULL; \
 335     utf8; \
 336 })
 337
 338 /* }}} */
 339
 340 #ifdef __OBJC__
 341 /* Objective-C Pool Release {{{ */
 342 apr_status_t CYPoolRelease_(void *data) {
 343     id object(reinterpret_cast<id>(data));
 344     [object release];
 345     return APR_SUCCESS;
 346 }
 347
 348 id CYPoolRelease_(apr_pool_t *pool, id object) {
 349     if (object == nil)
 350         return nil;
 351     else if (pool == NULL)
 352         return [object autorelease];
 353     else {
 354         apr_pool_cleanup_register(pool, object, &CYPoolRelease_, &apr_pool_cleanup_null);
 355         return object;
 356     }
 357 }
 358
 359 template <typename Type_>
 360 Type_ CYPoolRelease(apr_pool_t *pool, Type_ object) {
 361     return (Type_) CYPoolRelease_(pool, (id) object);
 362 }
 363 /* }}} */
 364 /* Objective-C Strings {{{ */
 365 const char *CYPoolCString(apr_pool_t *pool, NSString *value) {
 366     if (pool == NULL)
 367         return [value UTF8String];
 368     else {
 369         size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
 370         char *string(new(pool) char[size]);
 371         if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
 372             _throw(NSInternalInconsistencyException, "[NSString getCString:maxLength:encoding:] == NO");
 373         return string;
 374     }
 375 }
 376
 377 JSStringRef CYCopyJSString_(NSString *value) {
 378 #ifdef __APPLE__
 379     return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));
 380 #else
 381     CYPool pool;
 382     return CYCopyJSString(CYPoolCString(pool, value));
 383 #endif
 384 }
 385
 386 JSStringRef CYCopyJSString(id value) {
 387     if (value == nil)
 388         return NULL;
 389     // XXX: this definition scares me; is anyone using this?!
 390     NSString *string([value description]);
 391     return CYCopyJSString_(string);
 392 }
 393
 394 NSString *CYCopyNSString(const CYUTF8String &value) {
 395 #ifdef __APPLE__
 396     return (NSString *) CFStringCreateWithBytes(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(value.data), value.size, kCFStringEncodingUTF8, true);
 397 #else
 398     return [[NSString alloc] initWithBytes:value.data length:value.size encoding:NSUTF8StringEncoding];
 399 #endif
 400 }
 401
 402 NSString *CYCopyNSString(JSStringRef value) {
 403 #ifdef __APPLE__
 404     return (NSString *) JSStringCopyCFString(kCFAllocatorDefault, value);
 405 #else
 406     return CYCopyNSString(CYCastCString_(value));
 407 #endif
 408 }
 409
 410 NSString *CYCopyNSString(JSContextRef context, JSValueRef value) {
 411     return CYCopyNSString(CYJSString(context, value));
 412 }
 413
 414 NSString *CYCastNSString(apr_pool_t *pool, const CYUTF8String &value) {
 415     return CYPoolRelease(pool, CYCopyNSString(value));
 416 }
 417
 418 NSString *CYCastNSString(apr_pool_t *pool, SEL sel) {
 419     const char *name(sel_getName(sel));
 420     return CYPoolRelease(pool, CYCopyNSString(CYUTF8String(name, strlen(name))));
 421 }
 422
 423 NSString *CYCastNSString(apr_pool_t *pool, JSStringRef value) {
 424     return CYPoolRelease(pool, CYCopyNSString(value));
 425 }
 426
 427 CYUTF8String CYCastUTF8String(NSString *value) {
 428     NSData *data([value dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO]);
 429     return CYUTF8String(reinterpret_cast<const char *>([data bytes]), [data length]);
 430 }
 431 /* }}} */
 432 #endif
 433
 434 /* JavaScript *ify {{{ */
 435 void CYStringify(std::ostringstream &str, const char *data, size_t size) {
 436     unsigned quot(0), apos(0);
 437     for (const char *value(data), *end(data + size); value != end; ++value)
 438         if (*value == '"')
 439             ++quot;
 440         else if (*value == '\'')
 441             ++apos;
 442
 443     bool single(quot > apos);
 444
 445     str << (single ? '\'' : '"');
 446
 447     for (const char *value(data), *end(data + size); value != end; ++value)
 448         switch (*value) {
 449             case '\\': str << "\\\\"; break;
 450             case '\b': str << "\\b"; break;
 451             case '\f': str << "\\f"; break;
 452             case '\n': str << "\\n"; break;
 453             case '\r': str << "\\r"; break;
 454             case '\t': str << "\\t"; break;
 455             case '\v': str << "\\v"; break;
 456
 457             case '"':
 458                 if (!single)
 459                     str << "\\\"";
 460                 else goto simple;
 461             break;
 462
 463             case '\'':
 464                 if (single)
 465                     str << "\\'";
 466                 else goto simple;
 467             break;
 468
 469             default:
 470                 if (*value < 0x20 || *value >= 0x7f)
 471                     str << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << unsigned(*value);
 472                 else simple:
 473                     str << *value;
 474         }
 475
 476     str << (single ? '\'' : '"');
 477 }
 478
 479 void CYNumerify(std::ostringstream &str, double value) {
 480     char string[32];
 481     // XXX: I want this to print 1e3 rather than 1000
 482     sprintf(string, "%.17g", value);
 483     str << string;
 484 }
 485 /* }}} */
 486
 487 static JSGlobalContextRef Context_;
 488 static JSObjectRef System_;
 489
 490 static JSClassRef Functor_;
 491 static JSClassRef Pointer_;
 492 static JSClassRef Runtime_;
 493 static JSClassRef Struct_;
 494
 495 #ifdef __OBJC__
 496 static JSClassRef Instance_;
 497 static JSClassRef Internal_;
 498 static JSClassRef Message_;
 499 static JSClassRef Messages_;
 500 static JSClassRef Selector_;
 501 static JSClassRef Super_;
 502
 503 static JSClassRef ObjectiveC_Classes_;
 504 static JSClassRef ObjectiveC_Image_Classes_;
 505 static JSClassRef ObjectiveC_Images_;
 506 static JSClassRef ObjectiveC_Protocols_;
 507
 508 static JSObjectRef Instance_prototype_;
 509 #endif
 510
 511 static JSObjectRef Array_;
 512 static JSObjectRef Function_;
 513 static JSObjectRef String_;
 514
 515 static JSStringRef Result_;
 516
 517 static JSStringRef length_;
 518 static JSStringRef message_;
 519 static JSStringRef name_;
 520 static JSStringRef prototype_;
 521 static JSStringRef toCYON_;
 522 static JSStringRef toJSON_;
 523
 524 static JSObjectRef Object_prototype_;
 525
 526 static JSObjectRef Array_prototype_;
 527 static JSObjectRef Array_pop_;
 528 static JSObjectRef Array_push_;
 529 static JSObjectRef Array_splice_;
 530
 531 #ifdef __OBJC__
 532 #ifdef __APPLE__
 533 static Class NSCFBoolean_;
 534 static Class NSCFType_;
 535 #endif
 536
 537 static Class NSArray_;
 538 static Class NSDictionary_;
 539 static Class NSMessageBuilder_;
 540 static Class NSZombie_;
 541 static Class Object_;
 542 #endif
 543
 544 sqlite3 *Bridge_;
 545
 546 static void Finalize(JSObjectRef object) {
 547     delete reinterpret_cast<CYData *>(JSObjectGetPrivate(object));
 548 }
 549
 550 class Type_privateData;
 551
 552 struct CYValue :
 553     CYData
 554 {
 555     void *value_;
 556
 557     CYValue() {
 558     }
 559
 560     CYValue(const void *value) :
 561         value_(const_cast<void *>(value))
 562     {
 563     }
 564
 565     CYValue(const CYValue &rhs) :
 566         value_(rhs.value_)
 567     {
 568     }
 569
 570     virtual Type_privateData *GetType() const {
 571         return NULL;
 572     }
 573 };
 574
 575 struct CYOwned :
 576     CYValue
 577 {
 578   private:
 579     JSContextRef context_;
 580     JSObjectRef owner_;
 581
 582   public:
 583     CYOwned(void *value, JSContextRef context, JSObjectRef owner) :
 584         CYValue(value),
 585         context_(context),
 586         owner_(owner)
 587     {
 588         if (owner_ != NULL)
 589             JSValueProtect(context_, owner_);
 590     }
 591
 592     virtual ~CYOwned() {
 593         if (owner_ != NULL)
 594             JSValueUnprotect(context_, owner_);
 595     }
 596
 597     JSObjectRef GetOwner() const {
 598         return owner_;
 599     }
 600 };
 601
 602 #ifdef __OBJC__
 603 struct Selector_privateData :
 604     CYValue
 605 {
 606     Selector_privateData(SEL value) :
 607         CYValue(value)
 608     {
 609     }
 610
 611     SEL GetValue() const {
 612         return reinterpret_cast<SEL>(value_);
 613     }
 614
 615     virtual Type_privateData *GetType() const;
 616 };
 617
 618 // XXX: trick this out with associated objects!
 619 JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
 620     if (self == nil)
 621         return Instance_prototype_;
 622
 623     // XXX: I need to think through multi-context
 624     typedef std::map<id, JSValueRef> CacheMap;
 625     static CacheMap cache_;
 626
 627     JSValueRef &value(cache_[self]);
 628     if (value != NULL)
 629         return value;
 630
 631     JSClassRef _class(NULL);
 632     JSValueRef prototype;
 633
 634     if (self == NSArray_)
 635         prototype = Array_prototype_;
 636     else if (self == NSDictionary_)
 637         prototype = Object_prototype_;
 638     else
 639         prototype = CYGetClassPrototype(context, class_getSuperclass(self));
 640
 641     JSObjectRef object(JSObjectMake(context, _class, NULL));
 642     JSObjectSetPrototype(context, object, prototype);
 643
 644     JSValueProtect(context, object);
 645     value = object;
 646     return object;
 647 }
 648
 649 struct Instance :
 650     CYValue
 651 {
 652     enum Flags {
 653         None          = 0,
 654         Transient     = (1 << 0),
 655         Uninitialized = (1 << 1),
 656     };
 657
 658     Flags flags_;
 659
 660     Instance(id value, Flags flags) :
 661         CYValue(value),
 662         flags_(flags)
 663     {
 664     }
 665
 666     virtual ~Instance() {
 667         if ((flags_ & Transient) == 0)
 668             // XXX: does this handle background threads correctly?
 669             // XXX: this simply does not work on the console because I'm stupid
 670             [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
 671     }
 672
 673     static JSObjectRef Make(JSContextRef context, id object, Flags flags = None) {
 674         JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
 675         JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
 676         return value;
 677     }
 678
 679     id GetValue() const {
 680         return reinterpret_cast<id>(value_);
 681     }
 682
 683     bool IsUninitialized() const {
 684         return (flags_ & Uninitialized) != 0;
 685     }
 686
 687     virtual Type_privateData *GetType() const;
 688 };
 689
 690 struct Super :
 691     Instance
 692 {
 693     Class class_;
 694
 695     Super(id value, Class _class) :
 696         Instance(value, Instance::Transient),
 697         class_(_class)
 698     {
 699     }
 700
 701     static JSObjectRef Make(JSContextRef context, id object, Class _class) {
 702         JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
 703         return value;
 704     }
 705 };
 706
 707 struct Messages :
 708     CYValue
 709 {
 710     Messages(Class value) :
 711         CYValue(value)
 712     {
 713     }
 714
 715     static JSObjectRef Make(JSContextRef context, Class _class, bool array = false) {
 716         JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
 717         if (_class == NSArray_)
 718             array = true;
 719         if (Class super = class_getSuperclass(_class))
 720             JSObjectSetPrototype(context, value, Messages::Make(context, super, array));
 721         /*else if (array)
 722             JSObjectSetPrototype(context, value, Array_prototype_);*/
 723         return value;
 724     }
 725
 726     Class GetValue() const {
 727         return reinterpret_cast<Class>(value_);
 728     }
 729 };
 730
 731 struct Internal :
 732     CYOwned
 733 {
 734     Internal(id value, JSContextRef context, JSObjectRef owner) :
 735         CYOwned(value, context, owner)
 736     {
 737     }
 738
 739     static JSObjectRef Make(JSContextRef context, id object, JSObjectRef owner) {
 740         return JSObjectMake(context, Internal_, new Internal(object, context, owner));
 741     }
 742
 743     id GetValue() const {
 744         return reinterpret_cast<id>(value_);
 745     }
 746 };
 747 #endif
 748
 749 namespace sig {
 750
 751 void Copy(apr_pool_t *pool, Type &lhs, Type &rhs);
 752
 753 void Copy(apr_pool_t *pool, Element &lhs, Element &rhs) {
 754     lhs.name = apr_pstrdup(pool, rhs.name);
 755     if (rhs.type == NULL)
 756         lhs.type = NULL;
 757     else {
 758         lhs.type = new(pool) Type;
 759         Copy(pool, *lhs.type, *rhs.type);
 760     }
 761     lhs.offset = rhs.offset;
 762 }
 763
 764 void Copy(apr_pool_t *pool, Signature &lhs, Signature &rhs) {
 765     size_t count(rhs.count);
 766     lhs.count = count;
 767     lhs.elements = new(pool) Element[count];
 768     for (size_t index(0); index != count; ++index)
 769         Copy(pool, lhs.elements[index], rhs.elements[index]);
 770 }
 771
 772 void Copy(apr_pool_t *pool, Type &lhs, Type &rhs) {
 773     lhs.primitive = rhs.primitive;
 774     lhs.name = apr_pstrdup(pool, rhs.name);
 775     lhs.flags = rhs.flags;
 776
 777     if (sig::IsAggregate(rhs.primitive))
 778         Copy(pool, lhs.data.signature, rhs.data.signature);
 779     else {
 780         sig::Type *&lht(lhs.data.data.type);
 781         sig::Type *&rht(rhs.data.data.type);
 782
 783         if (rht == NULL)
 784             lht = NULL;
 785         else {
 786             lht = new(pool) Type;
 787             Copy(pool, *lht, *rht);
 788         }
 789
 790         lhs.data.data.size = rhs.data.data.size;
 791     }
 792 }
 793
 794 void Copy(apr_pool_t *pool, ffi_type &lhs, ffi_type &rhs) {
 795     lhs.size = rhs.size;
 796     lhs.alignment = rhs.alignment;
 797     lhs.type = rhs.type;
 798     if (rhs.elements == NULL)
 799         lhs.elements = NULL;
 800     else {
 801         size_t count(0);
 802         while (rhs.elements[count] != NULL)
 803             ++count;
 804
 805         lhs.elements = new(pool) ffi_type *[count + 1];
 806         lhs.elements[count] = NULL;
 807
 808         for (size_t index(0); index != count; ++index) {
 809             // XXX: if these are libffi native then you can just take them
 810             ffi_type *ffi(new(pool) ffi_type);
 811             lhs.elements[index] = ffi;
 812             sig::Copy(pool, *ffi, *rhs.elements[index]);
 813         }
 814     }
 815 }
 816
 817 }
 818
 819 struct CStringMapLess :
 820     std::binary_function<const char *, const char *, bool>
 821 {
 822     _finline bool operator ()(const char *lhs, const char *rhs) const {
 823         return strcmp(lhs, rhs) < 0;
 824     }
 825 };
 826
 827 void Structor_(apr_pool_t *pool, const char *name, const char *types, sig::Type *&type) {
 828     if (name == NULL)
 829         return;
 830
 831     sqlite3_stmt *statement;
 832
 833     _sqlcall(sqlite3_prepare(Bridge_,
 834         "select "
 835             "\"bridge\".\"mode\", "
 836             "\"bridge\".\"value\" "
 837         "from \"bridge\" "
 838         "where"
 839             " \"bridge\".\"mode\" in (3, 4) and"
 840             " \"bridge\".\"name\" = ?"
 841         " limit 1"
 842     , -1, &statement, NULL));
 843
 844     _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
 845
 846     int mode;
 847     const char *value;
 848
 849     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
 850         mode = -1;
 851         value = NULL;
 852     } else {
 853         mode = sqlite3_column_int(statement, 0);
 854         value = sqlite3_column_pooled(pool, statement, 1);
 855     }
 856
 857     _sqlcall(sqlite3_finalize(statement));
 858
 859     switch (mode) {
 860         default:
 861             _assert(false);
 862         case -1:
 863             break;
 864
 865         case 3: {
 866             sig::Parse(pool, &type->data.signature, value, &Structor_);
 867         } break;
 868
 869         case 4: {
 870             sig::Signature signature;
 871             sig::Parse(pool, &signature, value, &Structor_);
 872             type = signature.elements[0].type;
 873         } break;
 874     }
 875 }
 876
 877 struct Type_privateData :
 878     CYData
 879 {
 880 #ifdef __OBJC__
 881     static Type_privateData *Object;
 882     static Type_privateData *Selector;
 883 #endif
 884
 885     static JSClassRef Class_;
 886
 887     ffi_type *ffi_;
 888     sig::Type *type_;
 889
 890     void Set(sig::Type *type) {
 891         type_ = new(pool_) sig::Type;
 892         sig::Copy(pool_, *type_, *type);
 893     }
 894
 895     Type_privateData(apr_pool_t *pool, const char *type) :
 896         ffi_(NULL)
 897     {
 898         if (pool != NULL)
 899             pool_ = pool;
 900
 901         sig::Signature signature;
 902         sig::Parse(pool_, &signature, type, &Structor_);
 903         type_ = signature.elements[0].type;
 904     }
 905
 906     Type_privateData(sig::Type *type) :
 907         ffi_(NULL)
 908     {
 909         if (type != NULL)
 910             Set(type);
 911     }
 912
 913     Type_privateData(sig::Type *type, ffi_type *ffi) {
 914         ffi_ = new(pool_) ffi_type;
 915         sig::Copy(pool_, *ffi_, *ffi);
 916         Set(type);
 917     }
 918
 919     ffi_type *GetFFI() {
 920         if (ffi_ == NULL) {
 921             ffi_ = new(pool_) ffi_type;
 922
 923             sig::Element element;
 924             element.name = NULL;
 925             element.type = type_;
 926             element.offset = 0;
 927
 928             sig::Signature signature;
 929             signature.elements = &element;
 930             signature.count = 1;
 931
 932             ffi_cif cif;
 933             sig::sig_ffi_cif(pool_, &sig::ObjectiveC, &signature, &cif);
 934             *ffi_ = *cif.rtype;
 935         }
 936
 937         return ffi_;
 938     }
 939 };
 940
 941 JSClassRef Type_privateData::Class_;
 942
 943 #ifdef __OBJC__
 944 Type_privateData *Type_privateData::Object;
 945 Type_privateData *Type_privateData::Selector;
 946
 947 Type_privateData *Instance::GetType() const {
 948     return Type_privateData::Object;
 949 }
 950
 951 Type_privateData *Selector_privateData::GetType() const {
 952     return Type_privateData::Selector;
 953 }
 954 #endif
 955
 956 struct Pointer :
 957     CYOwned
 958 {
 959     Type_privateData *type_;
 960
 961     Pointer(void *value, JSContextRef context, JSObjectRef owner, sig::Type *type) :
 962         CYOwned(value, context, owner),
 963         type_(new(pool_) Type_privateData(type))
 964     {
 965     }
 966 };
 967
 968 struct Struct_privateData :
 969     CYOwned
 970 {
 971     Type_privateData *type_;
 972
 973     Struct_privateData(JSContextRef context, JSObjectRef owner) :
 974         CYOwned(NULL, context, owner)
 975     {
 976     }
 977 };
 978
 979 typedef std::map<const char *, Type_privateData *, CStringMapLess> TypeMap;
 980 static TypeMap Types_;
 981
 982 JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
 983     Struct_privateData *internal(new Struct_privateData(context, owner));
 984     apr_pool_t *pool(internal->pool_);
 985     Type_privateData *typical(new(pool) Type_privateData(type, ffi));
 986     internal->type_ = typical;
 987
 988     if (owner != NULL)
 989         internal->value_ = data;
 990     else {
 991         size_t size(typical->GetFFI()->size);
 992         void *copy(apr_palloc(internal->pool_, size));
 993         memcpy(copy, data, size);
 994         internal->value_ = copy;
 995     }
 996
 997     return JSObjectMake(context, Struct_, internal);
 998 }
 999
1000 struct Functor_privateData :
1001     CYValue
1002 {
1003     sig::Signature signature_;
1004     ffi_cif cif_;
1005
1006     Functor_privateData(const char *type, void (*value)()) :
1007         CYValue(reinterpret_cast<void *>(value))
1008     {
1009         sig::Parse(pool_, &signature_, type, &Structor_);
1010         sig::sig_ffi_cif(pool_, &sig::ObjectiveC, &signature_, &cif_);
1011     }
1012
1013     void (*GetValue())() const {
1014         return reinterpret_cast<void (*)()>(value_);
1015     }
1016 };
1017
1018 struct Closure_privateData :
1019     Functor_privateData
1020 {
1021     JSContextRef context_;
1022     JSObjectRef function_;
1023
1024     Closure_privateData(JSContextRef context, JSObjectRef function, const char *type) :
1025         Functor_privateData(type, NULL),
1026         context_(context),
1027         function_(function)
1028     {
1029         JSValueProtect(context_, function_);
1030     }
1031
1032     virtual ~Closure_privateData() {
1033         JSValueUnprotect(context_, function_);
1034     }
1035 };
1036
1037 #ifdef __OBJC__
1038 struct Message_privateData :
1039     Functor_privateData
1040 {
1041     SEL sel_;
1042
1043     Message_privateData(SEL sel, const char *type, IMP value = NULL) :
1044         Functor_privateData(type, reinterpret_cast<void (*)()>(value)),
1045         sel_(sel)
1046     {
1047     }
1048 };
1049
1050 JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
1051     Instance::Flags flags;
1052
1053     if (transient)
1054         flags = Instance::Transient;
1055     else {
1056         flags = Instance::None;
1057         object = [object retain];
1058     }
1059
1060     return Instance::Make(context, object, flags);
1061 }
1062 #endif
1063
1064 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
1065     return JSValueMakeBoolean(context, value);
1066 }
1067
1068 JSValueRef CYCastJSValue(JSContextRef context, double value) {
1069     return JSValueMakeNumber(context, value);
1070 }
1071
1072 #define CYCastJSValue_(Type_) \
1073     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
1074         return JSValueMakeNumber(context, static_cast<double>(value)); \
1075     }
1076
1077 CYCastJSValue_(int)
1078 CYCastJSValue_(unsigned int)
1079 CYCastJSValue_(long int)
1080 CYCastJSValue_(long unsigned int)
1081 CYCastJSValue_(long long int)
1082 CYCastJSValue_(long long unsigned int)
1083
1084 JSValueRef CYJSUndefined(JSContextRef context) {
1085     return JSValueMakeUndefined(context);
1086 }
1087
1088 size_t CYGetIndex(const CYUTF8String &value) {
1089     if (value.data[0] != '0') {
1090         char *end;
1091         size_t index(strtoul(value.data, &end, 10));
1092         if (value.data + value.size == end)
1093             return index;
1094     } else if (value.data[1] == '\0')
1095         return 0;
1096     return _not(size_t);
1097 }
1098
1099 size_t CYGetIndex(apr_pool_t *pool, JSStringRef value) {
1100     return CYGetIndex(CYPoolUTF8String(pool, value));
1101 }
1102
1103 bool CYGetOffset(const char *value, ssize_t &index) {
1104     if (value[0] != '0') {
1105         char *end;
1106         index = strtol(value, &end, 10);
1107         if (value + strlen(value) == end)
1108             return true;
1109     } else if (value[1] == '\0') {
1110         index = 0;
1111         return true;
1112     }
1113
1114     return false;
1115 }
1116
1117 #ifdef __OBJC__
1118 size_t CYGetIndex(NSString *value) {
1119     return CYGetIndex(CYCastUTF8String(value));
1120 }
1121
1122 bool CYGetOffset(apr_pool_t *pool, NSString *value, ssize_t &index) {
1123     return CYGetOffset(CYPoolCString(pool, value), index);
1124 }
1125 #endif
1126
1127 #ifdef __OBJC__
1128 @interface NSMethodSignature (Cycript)
1129 - (NSString *) _typeString;
1130 @end
1131
1132 @interface NSObject (Cycript)
1133
1134 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
1135 - (JSType) cy$JSType;
1136
1137 - (NSObject *) cy$toJSON:(NSString *)key;
1138 - (NSString *) cy$toCYON;
1139 - (NSString *) cy$toKey;
1140
1141 - (bool) cy$hasProperty:(NSString *)name;
1142 - (NSObject *) cy$getProperty:(NSString *)name;
1143 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value;
1144 - (bool) cy$deleteProperty:(NSString *)name;
1145
1146 @end
1147
1148 @protocol Cycript
1149 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
1150 @end
1151 #endif
1152
1153 #ifdef __OBJC__
1154 NSString *CYCastNSCYON(id value) {
1155     NSString *string;
1156
1157     if (value == nil)
1158         string = @"nil";
1159     else {
1160         Class _class(object_getClass(value));
1161         SEL sel(@selector(cy$toCYON));
1162
1163         if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
1164             string = reinterpret_cast<NSString *(*)(id, SEL)>(method_getImplementation(toCYON))(value, sel);
1165         else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
1166             if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
1167                 string = [value cy$toCYON];
1168             else goto fail;
1169         } else fail: {
1170             if (value == NSZombie_)
1171                 string = @"_NSZombie_";
1172             else if (_class == NSZombie_)
1173                 string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
1174             // XXX: frowny /in/ the pants
1175             else if (value == NSMessageBuilder_ || value == Object_)
1176                 string = nil;
1177             else
1178                 string = [NSString stringWithFormat:@"%@", value];
1179         }
1180
1181         // XXX: frowny pants
1182         if (string == nil)
1183             string = @"undefined";
1184     }
1185
1186     return string;
1187 }
1188 #endif
1189
1190 #ifdef __OBJC__
1191 #ifdef __APPLE__
1192 struct PropertyAttributes {
1193     CYPool pool_;
1194
1195     const char *name;
1196
1197     const char *variable;
1198
1199     const char *getter_;
1200     const char *setter_;
1201
1202     bool readonly;
1203     bool copy;
1204     bool retain;
1205     bool nonatomic;
1206     bool dynamic;
1207     bool weak;
1208     bool garbage;
1209
1210     PropertyAttributes(objc_property_t property) :
1211         variable(NULL),
1212         getter_(NULL),
1213         setter_(NULL),
1214         readonly(false),
1215         copy(false),
1216         retain(false),
1217         nonatomic(false),
1218         dynamic(false),
1219         weak(false),
1220         garbage(false)
1221     {
1222         name = property_getName(property);
1223         const char *attributes(property_getAttributes(property));
1224
1225         for (char *state, *token(apr_strtok(apr_pstrdup(pool_, attributes), ",", &state)); token != NULL; token = apr_strtok(NULL, ",", &state)) {
1226             switch (*token) {
1227                 case 'R': readonly = true; break;
1228                 case 'C': copy = true; break;
1229                 case '&': retain = true; break;
1230                 case 'N': nonatomic = true; break;
1231                 case 'G': getter_ = token + 1; break;
1232                 case 'S': setter_ = token + 1; break;
1233                 case 'V': variable = token + 1; break;
1234             }
1235         }
1236
1237         /*if (variable == NULL) {
1238             variable = property_getName(property);
1239             size_t size(strlen(variable));
1240             char *name(new(pool_) char[size + 2]);
1241             name[0] = '_';
1242             memcpy(name + 1, variable, size);
1243             name[size + 1] = '\0';
1244             variable = name;
1245         }*/
1246     }
1247
1248     const char *Getter() {
1249         if (getter_ == NULL)
1250             getter_ = apr_pstrdup(pool_, name);
1251         return getter_;
1252     }
1253
1254     const char *Setter() {
1255         if (setter_ == NULL && !readonly) {
1256             size_t length(strlen(name));
1257
1258             char *temp(new(pool_) char[length + 5]);
1259             temp[0] = 's';
1260             temp[1] = 'e';
1261             temp[2] = 't';
1262
1263             if (length != 0) {
1264                 temp[3] = toupper(name[0]);
1265                 memcpy(temp + 4, name + 1, length - 1);
1266             }
1267
1268             temp[length + 3] = ':';
1269             temp[length + 4] = '\0';
1270             setter_ = temp;
1271         }
1272
1273         return setter_;
1274     }
1275
1276 };
1277 #endif
1278 #endif
1279
1280 #ifdef __OBJC__
1281 #ifdef __APPLE__
1282 NSObject *NSCFType$cy$toJSON(id self, SEL sel, NSString *key) {
1283     return [(NSString *) CFCopyDescription((CFTypeRef) self) autorelease];
1284 }
1285 #endif
1286 #endif
1287
1288 #ifdef __OBJC__
1289 #ifndef __APPLE__
1290 @interface CYWebUndefined : NSObject {
1291 }
1292
1293 + (CYWebUndefined *) undefined;
1294
1295 @end
1296
1297 @implementation CYWebUndefined
1298
1299 + (CYWebUndefined *) undefined {
1300     static CYWebUndefined *instance_([[CYWebUndefined alloc] init]);
1301     return instance_;
1302 }
1303
1304 @end
1305
1306 #define WebUndefined CYWebUndefined
1307 #endif
1308 #endif
1309
1310 #ifdef __OBJC__
1311 /* Bridge: NSArray {{{ */
1312 @implementation NSArray (Cycript)
1313
1314 - (NSString *) cy$toCYON {
1315     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
1316     [json appendString:@"["];
1317
1318     bool comma(false);
1319 #ifdef __APPLE__
1320     for (id object in self) {
1321 #else
1322     id object;
1323     for (size_t index(0), count([self count]); index != count; ++index) {
1324         object = [self objectAtIndex:index];
1325 #endif
1326         if (comma)
1327             [json appendString:@","];
1328         else
1329             comma = true;
1330         if (object == nil || [object cy$JSType] != kJSTypeUndefined)
1331             [json appendString:CYCastNSCYON(object)];
1332         else {
1333             [json appendString:@","];
1334             comma = false;
1335         }
1336     }
1337
1338     [json appendString:@"]"];
1339     return json;
1340 }
1341
1342 - (bool) cy$hasProperty:(NSString *)name {
1343     if ([name isEqualToString:@"length"])
1344         return true;
1345
1346     size_t index(CYGetIndex(name));
1347     if (index == _not(size_t) || index >= [self count])
1348         return [super cy$hasProperty:name];
1349     else
1350         return true;
1351 }
1352
1353 - (NSObject *) cy$getProperty:(NSString *)name {
1354     if ([name isEqualToString:@"length"]) {
1355         NSUInteger count([self count]);
1356 #ifdef __APPLE__
1357         return [NSNumber numberWithUnsignedInteger:count];
1358 #else
1359         return [NSNumber numberWithUnsignedInt:count];
1360 #endif
1361     }
1362
1363     size_t index(CYGetIndex(name));
1364     if (index == _not(size_t) || index >= [self count])
1365         return [super cy$getProperty:name];
1366     else
1367         return [self objectAtIndex:index];
1368 }
1369
1370 @end
1371 /* }}} */
1372 /* Bridge: NSDictionary {{{ */
1373 @implementation NSDictionary (Cycript)
1374
1375 - (NSString *) cy$toCYON {
1376     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
1377     [json appendString:@"{"];
1378
1379     bool comma(false);
1380 #ifdef __APPLE__
1381     for (id key in self) {
1382 #else
1383     NSEnumerator *keys([self keyEnumerator]);
1384     while (id key = [keys nextObject]) {
1385 #endif
1386         if (comma)
1387             [json appendString:@","];
1388         else
1389             comma = true;
1390         [json appendString:[key cy$toKey]];
1391         [json appendString:@":"];
1392         NSObject *object([self objectForKey:key]);
1393         [json appendString:CYCastNSCYON(object)];
1394     }
1395
1396     [json appendString:@"}"];
1397     return json;
1398 }
1399
1400 - (bool) cy$hasProperty:(NSString *)name {
1401     return [self objectForKey:name] != nil;
1402 }
1403
1404 - (NSObject *) cy$getProperty:(NSString *)name {
1405     return [self objectForKey:name];
1406 }
1407
1408 @end
1409 /* }}} */
1410 /* Bridge: NSMutableArray {{{ */
1411 @implementation NSMutableArray (Cycript)
1412
1413 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1414     if ([name isEqualToString:@"length"]) {
1415         // XXX: is this not intelligent?
1416         NSNumber *number(reinterpret_cast<NSNumber *>(value));
1417 #ifdef __APPLE__
1418         NSUInteger size([number unsignedIntegerValue]);
1419 #else
1420         NSUInteger size([number unsignedIntValue]);
1421 #endif
1422         NSUInteger count([self count]);
1423         if (size < count)
1424             [self removeObjectsInRange:NSMakeRange(size, count - size)];
1425         else if (size != count) {
1426             WebUndefined *undefined([WebUndefined undefined]);
1427             for (size_t i(count); i != size; ++i)
1428                 [self addObject:undefined];
1429         }
1430         return true;
1431     }
1432
1433     size_t index(CYGetIndex(name));
1434     if (index == _not(size_t))
1435         return [super cy$setProperty:name to:value];
1436
1437     id object(value ?: [NSNull null]);
1438
1439     size_t count([self count]);
1440     if (index < count)
1441         [self replaceObjectAtIndex:index withObject:object];
1442     else {
1443         if (index != count) {
1444             WebUndefined *undefined([WebUndefined undefined]);
1445             for (size_t i(count); i != index; ++i)
1446                 [self addObject:undefined];
1447         }
1448
1449         [self addObject:object];
1450     }
1451
1452     return true;
1453 }
1454
1455 - (bool) cy$deleteProperty:(NSString *)name {
1456     size_t index(CYGetIndex(name));
1457     if (index == _not(size_t) || index >= [self count])
1458         return [super cy$deleteProperty:name];
1459     [self replaceObjectAtIndex:index withObject:[WebUndefined undefined]];
1460     return true;
1461 }
1462
1463 @end
1464 /* }}} */
1465 /* Bridge: NSMutableDictionary {{{ */
1466 @implementation NSMutableDictionary (Cycript)
1467
1468 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1469     [self setObject:(value ?: [NSNull null]) forKey:name];
1470     return true;
1471 }
1472
1473 - (bool) cy$deleteProperty:(NSString *)name {
1474     if ([self objectForKey:name] == nil)
1475         return false;
1476     else {
1477         [self removeObjectForKey:name];
1478         return true;
1479     }
1480 }
1481
1482 @end
1483 /* }}} */
1484 /* Bridge: NSNumber {{{ */
1485 @implementation NSNumber (Cycript)
1486
1487 - (JSType) cy$JSType {
1488 #ifdef __APPLE__
1489     // XXX: this just seems stupid
1490     if ([self class] == NSCFBoolean_)
1491         return kJSTypeBoolean;
1492 #endif
1493     return kJSTypeNumber;
1494 }
1495
1496 - (NSObject *) cy$toJSON:(NSString *)key {
1497     return self;
1498 }
1499
1500 - (NSString *) cy$toCYON {
1501     return [self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false";
1502 }
1503
1504 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1505     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
1506 }
1507
1508 @end
1509 /* }}} */
1510 /* Bridge: NSNull {{{ */
1511 @implementation NSNull (Cycript)
1512
1513 - (JSType) cy$JSType {
1514     return kJSTypeNull;
1515 }
1516
1517 - (NSObject *) cy$toJSON:(NSString *)key {
1518     return self;
1519 }
1520
1521 - (NSString *) cy$toCYON {
1522     return @"null";
1523 }
1524
1525 @end
1526 /* }}} */
1527 /* Bridge: NSObject {{{ */
1528 @implementation NSObject (Cycript)
1529
1530 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1531     return CYMakeInstance(context, self, false);
1532 }
1533
1534 - (JSType) cy$JSType {
1535     return kJSTypeObject;
1536 }
1537
1538 - (NSObject *) cy$toJSON:(NSString *)key {
1539     return [self description];
1540 }
1541
1542 - (NSString *) cy$toCYON {
1543     return [[self cy$toJSON:@""] cy$toCYON];
1544 }
1545
1546 - (NSString *) cy$toKey {
1547     return [self cy$toCYON];
1548 }
1549
1550 - (bool) cy$hasProperty:(NSString *)name {
1551     return false;
1552 }
1553
1554 - (NSObject *) cy$getProperty:(NSString *)name {
1555     return nil;
1556 }
1557
1558 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1559     return false;
1560 }
1561
1562 - (bool) cy$deleteProperty:(NSString *)name {
1563     return false;
1564 }
1565
1566 @end
1567 /* }}} */
1568 /* Bridge: NSProxy {{{ */
1569 @implementation NSProxy (Cycript)
1570
1571 - (NSObject *) cy$toJSON:(NSString *)key {
1572     return [self description];
1573 }
1574
1575 - (NSString *) cy$toCYON {
1576     return [[self cy$toJSON:@""] cy$toCYON];
1577 }
1578
1579 @end
1580 /* }}} */
1581 /* Bridge: NSString {{{ */
1582 @implementation NSString (Cycript)
1583
1584 - (JSType) cy$JSType {
1585     return kJSTypeString;
1586 }
1587
1588 - (NSObject *) cy$toJSON:(NSString *)key {
1589     return self;
1590 }
1591
1592 - (NSString *) cy$toCYON {
1593     std::ostringstream str;
1594     CYUTF8String string(CYCastUTF8String(self));
1595     CYStringify(str, string.data, string.size);
1596     std::string value(str.str());
1597     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
1598 }
1599
1600 - (NSString *) cy$toKey {
1601     const char *value([self UTF8String]);
1602     size_t size(strlen(value));
1603
1604     if (size == 0)
1605         goto cyon;
1606
1607     if (DigitRange_[value[0]]) {
1608         size_t index(CYGetIndex(self));
1609         if (index == _not(size_t))
1610             goto cyon;
1611     } else {
1612         if (!WordStartRange_[value[0]])
1613             goto cyon;
1614         for (size_t i(1); i != size; ++i)
1615             if (!WordEndRange_[value[i]])
1616                 goto cyon;
1617     }
1618
1619     return self;
1620
1621   cyon:
1622     return [self cy$toCYON];
1623 }
1624
1625 @end
1626 /* }}} */
1627 /* Bridge: WebUndefined {{{ */
1628 @implementation WebUndefined (Cycript)
1629
1630 - (JSType) cy$JSType {
1631     return kJSTypeUndefined;
1632 }
1633
1634 - (NSObject *) cy$toJSON:(NSString *)key {
1635     return self;
1636 }
1637
1638 - (NSString *) cy$toCYON {
1639     return @"undefined";
1640 }
1641
1642 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1643     return CYJSUndefined(context);
1644 }
1645
1646 @end
1647 /* }}} */
1648
1649 /* Bridge: CYJSObject {{{ */
1650 @interface CYJSObject : NSMutableDictionary {
1651     JSObjectRef object_;
1652     JSContextRef context_;
1653 }
1654
1655 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
1656
1657 - (NSObject *) cy$toJSON:(NSString *)key;
1658
1659 - (NSUInteger) count;
1660 - (id) objectForKey:(id)key;
1661 - (NSEnumerator *) keyEnumerator;
1662 - (void) setObject:(id)object forKey:(id)key;
1663 - (void) removeObjectForKey:(id)key;
1664
1665 @end
1666 /* }}} */
1667 /* Bridge: CYJSArray {{{ */
1668 @interface CYJSArray : NSMutableArray {
1669     JSObjectRef object_;
1670     JSContextRef context_;
1671 }
1672
1673 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
1674
1675 - (NSUInteger) count;
1676 - (id) objectAtIndex:(NSUInteger)index;
1677
1678 - (void) addObject:(id)anObject;
1679 - (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
1680 - (void) removeLastObject;
1681 - (void) removeObjectAtIndex:(NSUInteger)index;
1682 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
1683
1684 @end
1685 /* }}} */
1686 #endif
1687
1688 #ifdef __OBJC__
1689 NSObject *CYCastNSObject_(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
1690     JSValueRef exception(NULL);
1691     bool array(JSValueIsInstanceOfConstructor(context, object, Array_, &exception));
1692     CYThrow(context, exception);
1693     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
1694     return CYPoolRelease(pool, [value initWithJSObject:object inContext:context]);
1695 }
1696
1697 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
1698     if (!JSValueIsObjectOfClass(context, object, Instance_))
1699         return CYCastNSObject_(pool, context, object);
1700     else {
1701         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1702         return internal->GetValue();
1703     }
1704 }
1705 #endif
1706
1707 double CYCastDouble(const char *value, size_t size) {
1708     char *end;
1709     double number(strtod(value, &end));
1710     if (end != value + size)
1711         return NAN;
1712     return number;
1713 }
1714
1715 double CYCastDouble(const char *value) {
1716     return CYCastDouble(value, strlen(value));
1717 }
1718
1719 double CYCastDouble(JSContextRef context, JSValueRef value) {
1720     JSValueRef exception(NULL);
1721     double number(JSValueToNumber(context, value, &exception));
1722     CYThrow(context, exception);
1723     return number;
1724 }
1725
1726 #ifdef __OBJC__
1727 NSNumber *CYCopyNSNumber(JSContextRef context, JSValueRef value) {
1728     return [[NSNumber alloc] initWithDouble:CYCastDouble(context, value)];
1729 }
1730 #endif
1731
1732 bool CYCastBool(JSContextRef context, JSValueRef value) {
1733     return JSValueToBoolean(context, value);
1734 }
1735
1736 #ifdef __OBJC__
1737 id CYNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value, bool cast) {
1738     id object;
1739     bool copy;
1740
1741     switch (JSType type = JSValueGetType(context, value)) {
1742         case kJSTypeUndefined:
1743             object = [WebUndefined undefined];
1744             copy = false;
1745         break;
1746
1747         case kJSTypeNull:
1748             return NULL;
1749         break;
1750
1751         case kJSTypeBoolean:
1752 #ifdef __APPLE__
1753             object = (id) (CYCastBool(context, value) ? kCFBooleanTrue : kCFBooleanFalse);
1754             copy = false;
1755 #else
1756             object = [[NSNumber alloc] initWithBool:CYCastBool(context, value)];
1757             copy = true;
1758 #endif
1759         break;
1760
1761         case kJSTypeNumber:
1762             object = CYCopyNSNumber(context, value);
1763             copy = true;
1764         break;
1765
1766         case kJSTypeString:
1767             object = CYCopyNSString(context, value);
1768             copy = true;
1769         break;
1770
1771         case kJSTypeObject:
1772             // XXX: this might could be more efficient
1773             object = CYCastNSObject(pool, context, (JSObjectRef) value);
1774             copy = false;
1775         break;
1776
1777         default:
1778             _throw(NSInternalInconsistencyException, "JSValueGetType() == 0x%x", type);
1779         break;
1780     }
1781
1782     if (cast != copy)
1783         return object;
1784     else if (copy)
1785         return CYPoolRelease(pool, object);
1786     else
1787         return [object retain];
1788 }
1789
1790 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1791     return CYNSObject(pool, context, value, true);
1792 }
1793 NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1794     return CYNSObject(pool, context, value, false);
1795 }
1796
1797 static bool CYIsClass(id self) {
1798     // XXX: this is a lame object_isClass
1799     return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
1800 }
1801
1802 Class CYCastClass(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1803     id self(CYCastNSObject(pool, context, value));
1804     if (CYIsClass(self))
1805         return (Class) self;
1806     _throw(NSInvalidArgumentException, "got something that is not a Class");
1807     return NULL;
1808 }
1809
1810 NSArray *CYCastNSArray(JSPropertyNameArrayRef names) {
1811     CYPool pool;
1812     size_t size(JSPropertyNameArrayGetCount(names));
1813     NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
1814     for (size_t index(0); index != size; ++index)
1815         [array addObject:CYCastNSString(pool, JSPropertyNameArrayGetNameAtIndex(names, index))];
1816     return array;
1817 }
1818 #endif
1819
1820 void CYThrow(JSContextRef context, JSValueRef value) {
1821     if (value == NULL)
1822         return;
1823 #ifdef __OBJC__
1824     @throw CYCastNSObject(NULL, context, value);
1825 #else
1826     // XXX: fix this
1827     throw "throwing something";
1828 #endif
1829 }
1830
1831 JSValueRef CYJSNull(JSContextRef context) {
1832     return JSValueMakeNull(context);
1833 }
1834
1835 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) {
1836     return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value);
1837 }
1838
1839 JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
1840     return CYCastJSValue(context, CYJSString(value));
1841 }
1842
1843 #ifdef __OBJC__
1844 JSValueRef CYCastJSValue(JSContextRef context, id value) {
1845     if (value == nil)
1846         return CYJSNull(context);
1847     else if ([value respondsToSelector:@selector(cy$JSValueInContext:)])
1848         return [value cy$JSValueInContext:context];
1849     else
1850         return CYMakeInstance(context, value, false);
1851 }
1852 #endif
1853
1854 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
1855     JSValueRef exception(NULL);
1856     JSObjectRef object(JSValueToObject(context, value, &exception));
1857     CYThrow(context, exception);
1858     return object;
1859 }
1860
1861 void CYThrow(JSContextRef context, id error, JSValueRef *exception) {
1862     if (exception == NULL)
1863         throw error;
1864     *exception = CYCastJSValue(context, error);
1865 }
1866
1867 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, JSValueRef arguments[]) {
1868     JSValueRef exception(NULL);
1869     JSValueRef value(JSObjectCallAsFunction(context, function, _this, count, arguments, &exception));
1870     CYThrow(context, exception);
1871     return value;
1872 }
1873
1874 bool CYIsCallable(JSContextRef context, JSValueRef value) {
1875     return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value);
1876 }
1877
1878 #ifdef __OBJC__
1879 @implementation CYJSObject
1880
1881 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context {
1882     if ((self = [super init]) != nil) {
1883         object_ = object;
1884         context_ = context;
1885         JSValueProtect(context_, object_);
1886     } return self;
1887 }
1888
1889 - (void) dealloc {
1890     JSValueUnprotect(context_, object_);
1891     [super dealloc];
1892 }
1893
1894 - (NSObject *) cy$toJSON:(NSString *)key {
1895     JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_));
1896     if (!CYIsCallable(context_, toJSON))
1897         return [super cy$toJSON:key];
1898     else {
1899         JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
1900         JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
1901         // XXX: do I really want an NSNull here?!
1902         return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1903     }
1904 }
1905
1906 - (NSString *) cy$toCYON {
1907     JSValueRef toCYON(CYGetProperty(context_, object_, toCYON_));
1908     if (!CYIsCallable(context_, toCYON)) super:
1909         return [super cy$toCYON];
1910     else if (JSValueRef value = CYCallAsFunction(context_, (JSObjectRef) toCYON, object_, 0, NULL))
1911         return CYCastNSString(NULL, CYJSString(context_, value));
1912     else goto super;
1913 }
1914
1915 - (NSUInteger) count {
1916     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1917     size_t size(JSPropertyNameArrayGetCount(names));
1918     JSPropertyNameArrayRelease(names);
1919     return size;
1920 }
1921
1922 - (id) objectForKey:(id)key {
1923     JSValueRef value(CYGetProperty(context_, object_, CYJSString(key)));
1924     if (JSValueIsUndefined(context_, value))
1925         return nil;
1926     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1927 }
1928
1929 - (NSEnumerator *) keyEnumerator {
1930     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1931     NSEnumerator *enumerator([CYCastNSArray(names) objectEnumerator]);
1932     JSPropertyNameArrayRelease(names);
1933     return enumerator;
1934 }
1935
1936 - (void) setObject:(id)object forKey:(id)key {
1937     CYSetProperty(context_, object_, CYJSString(key), CYCastJSValue(context_, object));
1938 }
1939
1940 - (void) removeObjectForKey:(id)key {
1941     JSValueRef exception(NULL);
1942     (void) JSObjectDeleteProperty(context_, object_, CYJSString(key), &exception);
1943     CYThrow(context_, exception);
1944 }
1945
1946 @end
1947
1948 @implementation CYJSArray
1949
1950 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context {
1951     if ((self = [super init]) != nil) {
1952         object_ = object;
1953         context_ = context;
1954         JSValueProtect(context_, object_);
1955     } return self;
1956 }
1957
1958 - (void) dealloc {
1959     JSValueUnprotect(context_, object_);
1960     [super dealloc];
1961 }
1962
1963 - (NSUInteger) count {
1964     return CYCastDouble(context_, CYGetProperty(context_, object_, length_));
1965 }
1966
1967 - (id) objectAtIndex:(NSUInteger)index {
1968     size_t bounds([self count]);
1969     if (index >= bounds)
1970         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1971     JSValueRef exception(NULL);
1972     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1973     CYThrow(context_, exception);
1974     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1975 }
1976
1977 - (void) addObject:(id)object {
1978     JSValueRef exception(NULL);
1979     JSValueRef arguments[1];
1980     arguments[0] = CYCastJSValue(context_, object);
1981     JSObjectCallAsFunction(context_, Array_push_, object_, 1, arguments, &exception);
1982     CYThrow(context_, exception);
1983 }
1984
1985 - (void) insertObject:(id)object atIndex:(NSUInteger)index {
1986     size_t bounds([self count] + 1);
1987     if (index >= bounds)
1988         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1989     JSValueRef exception(NULL);
1990     JSValueRef arguments[3];
1991     arguments[0] = CYCastJSValue(context_, index);
1992     arguments[1] = CYCastJSValue(context_, 0);
1993     arguments[2] = CYCastJSValue(context_, object);
1994     JSObjectCallAsFunction(context_, Array_splice_, object_, 3, arguments, &exception);
1995     CYThrow(context_, exception);
1996 }
1997
1998 - (void) removeLastObject {
1999     JSValueRef exception(NULL);
2000     JSObjectCallAsFunction(context_, Array_pop_, object_, 0, NULL, &exception);
2001     CYThrow(context_, exception);
2002 }
2003
2004 - (void) removeObjectAtIndex:(NSUInteger)index {
2005     size_t bounds([self count]);
2006     if (index >= bounds)
2007         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
2008     JSValueRef exception(NULL);
2009     JSValueRef arguments[2];
2010     arguments[0] = CYCastJSValue(context_, index);
2011     arguments[1] = CYCastJSValue(context_, 1);
2012     JSObjectCallAsFunction(context_, Array_splice_, object_, 2, arguments, &exception);
2013     CYThrow(context_, exception);
2014 }
2015
2016 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object {
2017     size_t bounds([self count]);
2018     if (index >= bounds)
2019         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
2020     CYSetProperty(context_, object_, index, CYCastJSValue(context_, object));
2021 }
2022
2023 @end
2024 #endif
2025
2026 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value, JSValueRef *exception) {
2027     switch (JSType type = JSValueGetType(context, value)) {
2028         case kJSTypeUndefined:
2029             return "undefined";
2030         case kJSTypeNull:
2031             return "null";
2032         case kJSTypeBoolean:
2033             return CYCastBool(context, value) ? "true" : "false";
2034
2035         case kJSTypeNumber: {
2036             std::ostringstream str;
2037             CYNumerify(str, CYCastDouble(context, value));
2038             std::string value(str.str());
2039             return apr_pstrmemdup(pool, value.c_str(), value.size());
2040         } break;
2041
2042         case kJSTypeString: {
2043             std::ostringstream str;
2044             CYUTF8String string(CYPoolUTF8String(pool, CYJSString(context, value)));
2045             CYStringify(str, string.data, string.size);
2046             std::string value(str.str());
2047             return apr_pstrmemdup(pool, value.c_str(), value.size());
2048         } break;
2049
2050         case kJSTypeObject: {
2051             JSObjectRef object((JSObjectRef) value);
2052             JSValueRef toCYON(CYGetProperty(context, object, toCYON_));
2053
2054             if (CYIsCallable(context, toCYON)) {
2055                 JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 0, NULL));
2056                 return CYPoolCString(pool, context, value);
2057             }
2058
2059             return "\"[object /* XXX: implement something awesome */]\"";
2060         } break;
2061
2062         default:
2063             _throw(NSInternalInconsistencyException, "JSValueGetType() == 0x%x", type);
2064             return NULL;
2065         break;
2066     }
2067 }
2068
2069 #ifdef __OBJC__
2070 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
2071 struct CYInternal :
2072     CYData
2073 {
2074     JSObjectRef object_;
2075
2076     CYInternal() :
2077         object_(NULL)
2078     {
2079     }
2080
2081     ~CYInternal() {
2082         // XXX: delete object_? ;(
2083     }
2084
2085     static CYInternal *Get(id self) {
2086         CYInternal *internal(NULL);
2087         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
2088             // XXX: do something epic? ;P
2089         }
2090
2091         return internal;
2092     }
2093
2094     static CYInternal *Set(id self) {
2095         CYInternal *internal(NULL);
2096         if (Ivar ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
2097             if (internal == NULL) {
2098                 internal = new CYInternal();
2099                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
2100             }
2101         } else {
2102             // XXX: do something epic? ;P
2103         }
2104
2105         return internal;
2106     }
2107
2108     bool HasProperty(JSContextRef context, JSStringRef name) {
2109         if (object_ == NULL)
2110             return false;
2111         return JSObjectHasProperty(context, object_, name);
2112     }
2113
2114     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
2115         if (object_ == NULL)
2116             return NULL;
2117         return CYGetProperty(context, object_, name);
2118     }
2119
2120     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
2121         if (object_ == NULL)
2122             object_ = JSObjectMake(context, NULL, NULL);
2123         CYSetProperty(context, object_, name, value);
2124     }
2125 };
2126 #endif
2127
2128 #ifdef __OBJC__
2129 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
2130     Selector_privateData *internal(new Selector_privateData(sel));
2131     return JSObjectMake(context, Selector_, internal);
2132 }
2133 #endif
2134
2135 static JSObjectRef CYMakePointer(JSContextRef context, void *pointer, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
2136     Pointer *internal(new Pointer(pointer, context, owner, type));
2137     return JSObjectMake(context, Pointer_, internal);
2138 }
2139
2140 static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) {
2141     Functor_privateData *internal(new Functor_privateData(type, function));
2142     return JSObjectMake(context, Functor_, internal);
2143 }
2144
2145 static bool CYGetOffset(apr_pool_t *pool, JSStringRef value, ssize_t &index) {
2146     return CYGetOffset(CYPoolCString(pool, value), index);
2147 }
2148
2149 static void *CYCastPointer_(JSContextRef context, JSValueRef value) {
2150     switch (JSValueGetType(context, value)) {
2151         case kJSTypeNull:
2152             return NULL;
2153         /*case kJSTypeString:
2154             return dlsym(RTLD_DEFAULT, CYCastCString(context, value));
2155         case kJSTypeObject:
2156             if (JSValueIsObjectOfClass(context, value, Pointer_)) {
2157                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate((JSObjectRef) value)));
2158                 return internal->value_;
2159             }*/
2160         default:
2161             double number(CYCastDouble(context, value));
2162             if (std::isnan(number))
2163                 _throw(NSInvalidArgumentException, "cannot convert value to pointer");
2164             return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
2165     }
2166 }
2167
2168 template <typename Type_>
2169 static _finline Type_ CYCastPointer(JSContextRef context, JSValueRef value) {
2170     return reinterpret_cast<Type_>(CYCastPointer_(context, value));
2171 }
2172
2173 #ifdef __OBJC__
2174 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
2175     if (JSValueIsObjectOfClass(context, value, Selector_)) {
2176         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
2177         return reinterpret_cast<SEL>(internal->value_);
2178     } else
2179         return CYCastPointer<SEL>(context, value);
2180 }
2181 #endif
2182
2183 static void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) {
2184     switch (type->primitive) {
2185         case sig::boolean_P:
2186             *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
2187         break;
2188
2189 #define CYPoolFFI_(primitive, native) \
2190         case sig::primitive ## _P: \
2191             *reinterpret_cast<native *>(data) = CYCastDouble(context, value); \
2192         break;
2193
2194         CYPoolFFI_(uchar, unsigned char)
2195         CYPoolFFI_(char, char)
2196         CYPoolFFI_(ushort, unsigned short)
2197         CYPoolFFI_(short, short)
2198         CYPoolFFI_(ulong, unsigned long)
2199         CYPoolFFI_(long, long)
2200         CYPoolFFI_(uint, unsigned int)
2201         CYPoolFFI_(int, int)
2202         CYPoolFFI_(ulonglong, unsigned long long)
2203         CYPoolFFI_(longlong, long long)
2204         CYPoolFFI_(float, float)
2205         CYPoolFFI_(double, double)
2206
2207 #ifdef __OBJC__
2208         case sig::object_P:
2209         case sig::typename_P:
2210             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
2211         break;
2212
2213         case sig::selector_P:
2214             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
2215         break;
2216 #endif
2217
2218         case sig::pointer_P:
2219             *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value);
2220         break;
2221
2222         case sig::string_P:
2223             *reinterpret_cast<const char **>(data) = CYPoolCString(pool, context, value);
2224         break;
2225
2226         case sig::struct_P: {
2227             uint8_t *base(reinterpret_cast<uint8_t *>(data));
2228             JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
2229             for (size_t index(0); index != type->data.signature.count; ++index) {
2230                 sig::Element *element(&type->data.signature.elements[index]);
2231                 ffi_type *field(ffi->elements[index]);
2232
2233                 JSValueRef rhs;
2234                 if (aggregate == NULL)
2235                     rhs = value;
2236                 else {
2237                     rhs = CYGetProperty(context, aggregate, index);
2238                     if (JSValueIsUndefined(context, rhs)) {
2239                         if (element->name != NULL)
2240                             rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
2241                         else
2242                             goto undefined;
2243                         if (JSValueIsUndefined(context, rhs)) undefined:
2244                             _throw(NSInvalidArgumentException, "unable to extract structure value");
2245                     }
2246                 }
2247
2248                 CYPoolFFI(pool, context, element->type, field, base, rhs);
2249                 // XXX: alignment?
2250                 base += field->size;
2251             }
2252         } break;
2253
2254         case sig::void_P:
2255         break;
2256
2257         default:
2258             fprintf(stderr, "CYPoolFFI(%c)\n", type->primitive);
2259             _assert(false);
2260     }
2261 }
2262
2263 static JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize = false, JSObjectRef owner = NULL) {
2264     JSValueRef value;
2265
2266     switch (type->primitive) {
2267         case sig::boolean_P:
2268             value = CYCastJSValue(context, *reinterpret_cast<bool *>(data));
2269         break;
2270
2271 #define CYFromFFI_(primitive, native) \
2272         case sig::primitive ## _P: \
2273             value = CYCastJSValue(context, *reinterpret_cast<native *>(data)); \
2274         break;
2275
2276         CYFromFFI_(uchar, unsigned char)
2277         CYFromFFI_(char, char)
2278         CYFromFFI_(ushort, unsigned short)
2279         CYFromFFI_(short, short)
2280         CYFromFFI_(ulong, unsigned long)
2281         CYFromFFI_(long, long)
2282         CYFromFFI_(uint, unsigned int)
2283         CYFromFFI_(int, int)
2284         CYFromFFI_(ulonglong, unsigned long long)
2285         CYFromFFI_(longlong, long long)
2286         CYFromFFI_(float, float)
2287         CYFromFFI_(double, double)
2288
2289 #ifdef __OBJC__
2290         case sig::object_P: {
2291             if (id object = *reinterpret_cast<id *>(data)) {
2292                 value = CYCastJSValue(context, object);
2293                 if (initialize)
2294                     [object release];
2295             } else goto null;
2296         } break;
2297
2298         case sig::typename_P:
2299             value = CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
2300         break;
2301
2302         case sig::selector_P:
2303             if (SEL sel = *reinterpret_cast<SEL *>(data))
2304                 value = CYMakeSelector(context, sel);
2305             else goto null;
2306         break;
2307 #endif
2308
2309         case sig::pointer_P:
2310             if (void *pointer = *reinterpret_cast<void **>(data))
2311                 value = CYMakePointer(context, pointer, type->data.data.type, ffi, owner);
2312             else goto null;
2313         break;
2314
2315         case sig::string_P:
2316             if (char *utf8 = *reinterpret_cast<char **>(data))
2317                 value = CYCastJSValue(context, utf8);
2318             else goto null;
2319         break;
2320
2321         case sig::struct_P:
2322             value = CYMakeStruct(context, data, type, ffi, owner);
2323         break;
2324
2325         case sig::void_P:
2326             value = CYJSUndefined(context);
2327         break;
2328
2329         null:
2330             value = CYJSNull(context);
2331         break;
2332
2333         default:
2334             fprintf(stderr, "CYFromFFI(%c)\n", type->primitive);
2335             _assert(false);
2336     }
2337
2338     return value;
2339 }
2340
2341 #ifdef __OBJC__
2342 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
2343     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
2344         if (!devoid)
2345             return true;
2346         char type[16];
2347         method_getReturnType(method, type, sizeof(type));
2348         if (type[0] != 'v')
2349             return true;
2350     }
2351
2352     // XXX: possibly use a more "awesome" check?
2353     return false;
2354 }
2355 #endif
2356
2357 #ifdef __OBJC__
2358 static const char *CYPoolTypeEncoding(apr_pool_t *pool, Class _class, SEL sel, objc_method *method) {
2359     if (method != NULL)
2360         return method_getTypeEncoding(method);
2361
2362     const char *name(sel_getName(sel));
2363
2364     sqlite3_stmt *statement;
2365
2366     _sqlcall(sqlite3_prepare(Bridge_,
2367         "select "
2368             "\"bridge\".\"mode\", "
2369             "\"bridge\".\"value\" "
2370         "from \"bridge\" "
2371         "where"
2372             " \"bridge\".\"mode\" in (3, 4) and"
2373             " \"bridge\".\"name\" = ?"
2374         " limit 1"
2375     , -1, &statement, NULL));
2376
2377     _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
2378
2379     int mode;
2380     const char *value;
2381
2382     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
2383         mode = -1;
2384         value = NULL;
2385     } else {
2386         mode = sqlite3_column_int(statement, 0);
2387         value = sqlite3_column_pooled(pool, statement, 1);
2388     }
2389
2390     _sqlcall(sqlite3_finalize(statement));
2391
2392     if (value != NULL)
2393         return value;
2394
2395     return NULL;
2396 }
2397 #endif
2398
2399 static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
2400     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
2401
2402     JSContextRef context(internal->context_);
2403
2404     size_t count(internal->cif_.nargs);
2405     JSValueRef values[count];
2406
2407     for (size_t index(0); index != count; ++index)
2408         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
2409
2410     JSValueRef value(CYCallAsFunction(context, internal->function_, NULL, count, values));
2411     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
2412 }
2413
2414 #ifdef __OBJC__
2415 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
2416     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
2417
2418     JSContextRef context(internal->context_);
2419
2420     size_t count(internal->cif_.nargs);
2421     JSValueRef values[count];
2422
2423     for (size_t index(0); index != count; ++index)
2424         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
2425
2426     JSObjectRef _this(CYCastJSObject(context, values[0]));
2427
2428     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
2429     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
2430 }
2431 #endif
2432
2433 static Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const char *type, void (*callback)(ffi_cif *, void *, void **, void *)) {
2434     // XXX: in case of exceptions this will leak
2435     // XXX: in point of fact, this may /need/ to leak :(
2436     Closure_privateData *internal(new Closure_privateData(CYGetJSContext(), function, type));
2437
2438     ffi_closure *closure((ffi_closure *) _syscall(mmap(
2439         NULL, sizeof(ffi_closure),
2440         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
2441         -1, 0
2442     )));
2443
2444     ffi_status status(ffi_prep_closure(closure, &internal->cif_, callback, internal));
2445     _assert(status == FFI_OK);
2446
2447     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
2448
2449     internal->value_ = closure;
2450
2451     return internal;
2452 }
2453
2454 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const char *type) {
2455     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &FunctionClosure_));
2456     return JSObjectMake(context, Functor_, internal);
2457 }
2458
2459 static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const char *type) {
2460     JSValueRef exception(NULL);
2461     bool function(JSValueIsInstanceOfConstructor(context, value, Function_, &exception));
2462     CYThrow(context, exception);
2463
2464     if (function) {
2465         JSObjectRef function(CYCastJSObject(context, value));
2466         return CYMakeFunctor(context, function, type);
2467     } else {
2468         void (*function)()(CYCastPointer<void (*)()>(context, value));
2469         return CYMakeFunctor(context, function, type);
2470     }
2471 }
2472
2473 #ifdef __OBJC__
2474 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
2475     Message_privateData *internal(new Message_privateData(sel, type, imp));
2476     return JSObjectMake(context, Message_, internal);
2477 }
2478
2479 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
2480     JSObjectRef function(CYCastJSObject(context, value));
2481     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
2482     return reinterpret_cast<IMP>(internal->GetValue());
2483 }
2484
2485 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2486     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2487     Class _class(internal->GetValue());
2488
2489     CYPool pool;
2490     const char *name(CYPoolCString(pool, property));
2491
2492     if (SEL sel = sel_getUid(name))
2493         if (class_getInstanceMethod(_class, sel) != NULL)
2494             return true;
2495
2496     return false;
2497 }
2498
2499 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2500     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2501     Class _class(internal->GetValue());
2502
2503     CYPool pool;
2504     const char *name(CYPoolCString(pool, property));
2505
2506     if (SEL sel = sel_getUid(name))
2507         if (objc_method *method = class_getInstanceMethod(_class, sel))
2508             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
2509
2510     return NULL;
2511 }
2512
2513 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2514     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2515     Class _class(internal->GetValue());
2516
2517     CYPool pool;
2518     const char *name(CYPoolCString(pool, property));
2519
2520     SEL sel(sel_registerName(name));
2521
2522     objc_method *method(class_getInstanceMethod(_class, sel));
2523
2524     const char *type;
2525     IMP imp;
2526
2527     if (JSValueIsObjectOfClass(context, value, Message_)) {
2528         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
2529         type = sig::Unparse(pool, &message->signature_);
2530         imp = reinterpret_cast<IMP>(message->GetValue());
2531     } else {
2532         type = CYPoolTypeEncoding(pool, _class, sel, method);
2533         imp = CYMakeMessage(context, value, type);
2534     }
2535
2536     if (method != NULL)
2537         method_setImplementation(method, imp);
2538     else
2539         class_replaceMethod(_class, sel, imp, type);
2540
2541     return true;
2542 }
2543
2544 #if !__OBJC2__
2545 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2546     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2547     Class _class(internal->GetValue());
2548
2549     CYPool pool;
2550     const char *name(CYPoolCString(pool, property));
2551
2552     if (SEL sel = sel_getUid(name))
2553         if (objc_method *method = class_getInstanceMethod(_class, sel)) {
2554             objc_method_list list = {NULL, 1, {method}};
2555             class_removeMethods(_class, &list);
2556             return true;
2557         }
2558
2559     return false;
2560 }
2561 #endif
2562
2563 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2564     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2565     Class _class(internal->GetValue());
2566
2567     unsigned int size;
2568     objc_method **data(class_copyMethodList(_class, &size));
2569     for (size_t i(0); i != size; ++i)
2570         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
2571     free(data);
2572 }
2573
2574 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2575     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2576     id self(internal->GetValue());
2577
2578     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
2579         return true;
2580
2581     CYPool pool;
2582     NSString *name(CYCastNSString(pool, property));
2583
2584     if (CYInternal *internal = CYInternal::Get(self))
2585         if (internal->HasProperty(context, property))
2586             return true;
2587
2588     Class _class(object_getClass(self));
2589
2590     CYPoolTry {
2591         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
2592         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
2593             if ([self cy$hasProperty:name])
2594                 return true;
2595     } CYPoolCatch(false)
2596
2597     const char *string(CYPoolCString(pool, name));
2598
2599     if (class_getProperty(_class, string) != NULL)
2600         return true;
2601
2602     if (SEL sel = sel_getUid(string))
2603         if (CYImplements(self, _class, sel, true))
2604             return true;
2605
2606     return false;
2607 }
2608
2609 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2610     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2611     id self(internal->GetValue());
2612
2613     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
2614         return Internal::Make(context, self, object);
2615
2616     CYTry {
2617         CYPool pool;
2618         NSString *name(CYCastNSString(pool, property));
2619
2620         if (CYInternal *internal = CYInternal::Get(self))
2621             if (JSValueRef value = internal->GetProperty(context, property))
2622                 return value;
2623
2624         CYPoolTry {
2625             if (NSObject *data = [self cy$getProperty:name])
2626                 return CYCastJSValue(context, data);
2627         } CYPoolCatch(NULL)
2628
2629         const char *string(CYPoolCString(pool, name));
2630         Class _class(object_getClass(self));
2631
2632 #ifdef __APPLE__
2633         if (objc_property_t property = class_getProperty(_class, string)) {
2634             PropertyAttributes attributes(property);
2635             SEL sel(sel_registerName(attributes.Getter()));
2636             return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
2637         }
2638 #endif
2639
2640         if (SEL sel = sel_getUid(string))
2641             if (CYImplements(self, _class, sel, true))
2642                 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
2643
2644         return NULL;
2645     } CYCatch
2646 }
2647
2648 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2649     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2650     id self(internal->GetValue());
2651
2652     CYPool pool;
2653
2654     CYTry {
2655         NSString *name(CYCastNSString(pool, property));
2656         NSObject *data(CYCastNSObject(pool, context, value));
2657
2658         CYPoolTry {
2659             if ([self cy$setProperty:name to:data])
2660                 return true;
2661         } CYPoolCatch(NULL)
2662
2663         const char *string(CYPoolCString(pool, name));
2664         Class _class(object_getClass(self));
2665
2666 #ifdef __APPLE__
2667         if (objc_property_t property = class_getProperty(_class, string)) {
2668             PropertyAttributes attributes(property);
2669             if (const char *setter = attributes.Setter()) {
2670                 SEL sel(sel_registerName(setter));
2671                 JSValueRef arguments[1] = {value};
2672                 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
2673                 return true;
2674             }
2675         }
2676 #endif
2677
2678         size_t length(strlen(string));
2679
2680         char set[length + 5];
2681
2682         set[0] = 's';
2683         set[1] = 'e';
2684         set[2] = 't';
2685
2686         if (string[0] != '\0') {
2687             set[3] = toupper(string[0]);
2688             memcpy(set + 4, string + 1, length - 1);
2689         }
2690
2691         set[length + 3] = ':';
2692         set[length + 4] = '\0';
2693
2694         if (SEL sel = sel_getUid(set))
2695             if (CYImplements(self, _class, sel, false)) {
2696                 JSValueRef arguments[1] = {value};
2697                 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
2698             }
2699
2700         if (CYInternal *internal = CYInternal::Set(self)) {
2701             internal->SetProperty(context, property, value);
2702             return true;
2703         }
2704
2705         return false;
2706     } CYCatch
2707 }
2708
2709 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2710     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2711     id self(internal->GetValue());
2712
2713     CYTry {
2714         CYPoolTry {
2715             NSString *name(CYCastNSString(NULL, property));
2716             return [self cy$deleteProperty:name];
2717         } CYPoolCatch(NULL)
2718     } CYCatch
2719 }
2720
2721 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2722     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2723     id self(internal->GetValue());
2724
2725     CYPool pool;
2726     Class _class(object_getClass(self));
2727
2728     {
2729         unsigned int size;
2730         objc_property_t *data(class_copyPropertyList(_class, &size));
2731         for (size_t i(0); i != size; ++i)
2732             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
2733         free(data);
2734     }
2735 }
2736
2737 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2738     CYTry {
2739         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2740         JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
2741         return value;
2742     } CYCatch
2743 }
2744
2745 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) {
2746     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
2747     Class _class(internal->GetValue());
2748     if (!CYIsClass(_class))
2749         return false;
2750
2751     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
2752         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
2753         // XXX: this isn't always safe
2754         CYTry {
2755             return [linternal->GetValue() isKindOfClass:_class];
2756         } CYCatch
2757     }
2758
2759     return false;
2760 }
2761
2762 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2763     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2764     CYPool pool;
2765
2766     id self(internal->GetValue());
2767     const char *name(CYPoolCString(pool, property));
2768
2769     if (object_getInstanceVariable(self, name, NULL) != NULL)
2770         return true;
2771
2772     return false;
2773 }
2774
2775 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2776     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2777     CYPool pool;
2778
2779     CYTry {
2780         id self(internal->GetValue());
2781         const char *name(CYPoolCString(pool, property));
2782
2783         if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
2784             Type_privateData type(pool, ivar_getTypeEncoding(ivar));
2785             return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
2786         }
2787
2788         return NULL;
2789     } CYCatch
2790 }
2791
2792 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2793     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2794     CYPool pool;
2795
2796     CYTry {
2797         id self(internal->GetValue());
2798         const char *name(CYPoolCString(pool, property));
2799
2800         if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
2801             Type_privateData type(pool, ivar_getTypeEncoding(ivar));
2802             CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
2803             return true;
2804         }
2805
2806         return false;
2807     } CYCatch
2808 }
2809
2810 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
2811     if (Class super = class_getSuperclass(_class))
2812         Internal_getPropertyNames_(super, names);
2813
2814     unsigned int size;
2815     Ivar *data(class_copyIvarList(_class, &size));
2816     for (size_t i(0); i != size; ++i)
2817         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
2818     free(data);
2819 }
2820
2821 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2822     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2823     CYPool pool;
2824
2825     id self(internal->GetValue());
2826     Class _class(object_getClass(self));
2827
2828     Internal_getPropertyNames_(_class, names);
2829 }
2830
2831 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2832     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2833     return internal->GetOwner();
2834 }
2835 #endif
2836
2837 static bool Index_(apr_pool_t *pool, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
2838     Type_privateData *typical(internal->type_);
2839     sig::Type *type(typical->type_);
2840     if (type == NULL)
2841         return false;
2842
2843     const char *name(CYPoolCString(pool, property));
2844     size_t length(strlen(name));
2845     double number(CYCastDouble(name, length));
2846
2847     size_t count(type->data.signature.count);
2848
2849     if (std::isnan(number)) {
2850         if (property == NULL)
2851             return false;
2852
2853         sig::Element *elements(type->data.signature.elements);
2854
2855         for (size_t local(0); local != count; ++local) {
2856             sig::Element *element(&elements[local]);
2857             if (element->name != NULL && strcmp(name, element->name) == 0) {
2858                 index = local;
2859                 goto base;
2860             }
2861         }
2862
2863         return false;
2864     } else {
2865         index = static_cast<ssize_t>(number);
2866         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
2867             return false;
2868     }
2869
2870   base:
2871     ffi_type **elements(typical->GetFFI()->elements);
2872
2873     base = reinterpret_cast<uint8_t *>(internal->value_);
2874     for (ssize_t local(0); local != index; ++local)
2875         base += elements[local]->size;
2876
2877     return true;
2878 }
2879
2880 static JSValueRef Pointer_getIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef *exception) {
2881     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2882     Type_privateData *typical(internal->type_);
2883
2884     ffi_type *ffi(typical->GetFFI());
2885
2886     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
2887     base += ffi->size * index;
2888
2889     JSObjectRef owner(internal->GetOwner() ?: object);
2890
2891     CYTry {
2892         return CYFromFFI(context, typical->type_, ffi, base, false, owner);
2893     } CYCatch
2894 }
2895
2896 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2897     CYPool pool;
2898     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2899     Type_privateData *typical(internal->type_);
2900
2901     if (typical->type_ == NULL)
2902         return NULL;
2903
2904     ssize_t offset;
2905     if (!CYGetOffset(pool, property, offset))
2906         return NULL;
2907
2908     return Pointer_getIndex(context, object, offset, exception);
2909 }
2910
2911 static JSValueRef Pointer_getProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2912     return Pointer_getIndex(context, object, 0, exception);
2913 }
2914
2915 static bool Pointer_setIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value, JSValueRef *exception) {
2916     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2917     Type_privateData *typical(internal->type_);
2918
2919     ffi_type *ffi(typical->GetFFI());
2920
2921     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
2922     base += ffi->size * index;
2923
2924     CYTry {
2925         CYPoolFFI(NULL, context, typical->type_, ffi, base, value);
2926         return true;
2927     } CYCatch
2928 }
2929
2930 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2931     CYPool pool;
2932     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2933     Type_privateData *typical(internal->type_);
2934
2935     if (typical->type_ == NULL)
2936         return NULL;
2937
2938     ssize_t offset;
2939     if (!CYGetOffset(pool, property, offset))
2940         return NULL;
2941
2942     return Pointer_setIndex(context, object, offset, value, exception);
2943 }
2944
2945 static bool Pointer_setProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2946     return Pointer_setIndex(context, object, 0, value, exception);
2947 }
2948
2949 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2950     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
2951     Type_privateData *typical(internal->type_);
2952     return CYMakePointer(context, internal->value_, typical->type_, typical->ffi_, _this);
2953 }
2954
2955 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2956     CYPool pool;
2957     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
2958     Type_privateData *typical(internal->type_);
2959
2960     ssize_t index;
2961     uint8_t *base;
2962
2963     CYTry {
2964         if (!Index_(pool, internal, property, index, base))
2965             return NULL;
2966
2967         JSObjectRef owner(internal->GetOwner() ?: object);
2968
2969         return CYFromFFI(context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, false, owner);
2970     } CYCatch
2971 }
2972
2973 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2974     CYPool pool;
2975     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
2976     Type_privateData *typical(internal->type_);
2977
2978     ssize_t index;
2979     uint8_t *base;
2980
2981     CYTry {
2982         if (!Index_(pool, internal, property, index, base))
2983             return false;
2984
2985         CYPoolFFI(NULL, context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, value);
2986         return true;
2987     } CYCatch
2988 }
2989
2990 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2991     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
2992     Type_privateData *typical(internal->type_);
2993     sig::Type *type(typical->type_);
2994
2995     if (type == NULL)
2996         return;
2997
2998     size_t count(type->data.signature.count);
2999     sig::Element *elements(type->data.signature.elements);
3000
3001     char number[32];
3002
3003     for (size_t index(0); index != count; ++index) {
3004         const char *name;
3005         name = elements[index].name;
3006
3007         if (name == NULL) {
3008             sprintf(number, "%lu", index);
3009             name = number;
3010         }
3011
3012         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
3013     }
3014 }
3015
3016 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)()) {
3017     CYTry {
3018         if (setups + count != signature->count - 1)
3019             _throw(NSInvalidArgumentException, "incorrect number of arguments to ffi function");
3020
3021         size_t size(setups + count);
3022         void *values[size];
3023         memcpy(values, setup, sizeof(void *) * setups);
3024
3025         for (size_t index(setups); index != size; ++index) {
3026             sig::Element *element(&signature->elements[index + 1]);
3027             ffi_type *ffi(cif->arg_types[index]);
3028             // XXX: alignment?
3029             values[index] = new(pool) uint8_t[ffi->size];
3030             CYPoolFFI(pool, context, element->type, ffi, values[index], arguments[index - setups]);
3031         }
3032
3033         uint8_t value[cif->rtype->size];
3034         ffi_call(cif, function, value, values);
3035
3036         return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize);
3037     } CYCatch
3038 }
3039
3040 #ifdef __OBJC__
3041 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3042     CYTry {
3043         CYPool pool;
3044         NSString *name(CYCastNSString(pool, property));
3045         if (Class _class = NSClassFromString(name))
3046             return CYMakeInstance(context, _class, true);
3047         return NULL;
3048     } CYCatch
3049 }
3050
3051 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3052     size_t size(objc_getClassList(NULL, 0));
3053     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
3054
3055   get:
3056     size_t writ(objc_getClassList(data, size));
3057     if (size < writ) {
3058         size = writ;
3059         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
3060             data = copy;
3061             goto get;
3062         } else goto done;
3063     }
3064
3065     for (size_t i(0); i != writ; ++i)
3066         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
3067
3068   done:
3069     free(data);
3070 }
3071
3072 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3073     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
3074
3075     CYTry {
3076         CYPool pool;
3077         const char *name(CYPoolCString(pool, property));
3078         unsigned int size;
3079         const char **data(objc_copyClassNamesForImage(internal, &size));
3080         JSValueRef value;
3081         for (size_t i(0); i != size; ++i)
3082             if (strcmp(name, data[i]) == 0) {
3083                 if (Class _class = objc_getClass(name)) {
3084                     value = CYMakeInstance(context, _class, true);
3085                     goto free;
3086                 } else
3087                     break;
3088             }
3089         value = NULL;
3090       free:
3091         free(data);
3092         return value;
3093     } CYCatch
3094 }
3095
3096 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3097     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
3098     unsigned int size;
3099     const char **data(objc_copyClassNamesForImage(internal, &size));
3100     for (size_t i(0); i != size; ++i)
3101         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
3102     free(data);
3103 }
3104
3105 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3106     CYTry {
3107         CYPool pool;
3108         const char *name(CYPoolCString(pool, property));
3109         unsigned int size;
3110         const char **data(objc_copyImageNames(&size));
3111         for (size_t i(0); i != size; ++i)
3112             if (strcmp(name, data[i]) == 0) {
3113                 name = data[i];
3114                 goto free;
3115             }
3116         name = NULL;
3117       free:
3118         free(data);
3119         if (name == NULL)
3120             return NULL;
3121         JSObjectRef value(JSObjectMake(context, NULL, NULL));
3122         CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
3123         return value;
3124     } CYCatch
3125 }
3126
3127 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3128     unsigned int size;
3129     const char **data(objc_copyImageNames(&size));
3130     for (size_t i(0); i != size; ++i)
3131         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
3132     free(data);
3133 }
3134
3135 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3136     CYTry {
3137         CYPool pool;
3138         NSString *name(CYCastNSString(pool, property));
3139         if (Protocol *protocol = NSProtocolFromString(name))
3140             return CYMakeInstance(context, protocol, true);
3141         return NULL;
3142     } CYCatch
3143 }
3144
3145 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3146     unsigned int size;
3147     Protocol **data(objc_copyProtocolList(&size));
3148     for (size_t i(0); i != size; ++i)
3149         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
3150     free(data);
3151 }
3152 #endif
3153
3154 static JSObjectRef CYMakeType(JSContextRef context, const char *type) {
3155     Type_privateData *internal(new Type_privateData(NULL, type));
3156     return JSObjectMake(context, Type_privateData::Class_, internal);
3157 }
3158
3159 static JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) {
3160     Type_privateData *internal(new Type_privateData(type));
3161     return JSObjectMake(context, Type_privateData::Class_, internal);
3162 }
3163
3164 static void *CYCastSymbol(const char *name) {
3165     return dlsym(RTLD_DEFAULT, name);
3166 }
3167
3168 static JSValueRef Runtime_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3169 #ifdef __OBJC__
3170     if (JSStringIsEqualToUTF8CString(property, "nil"))
3171         return Instance::Make(context, nil);
3172 #endif
3173
3174     CYTry {
3175         CYPool pool;
3176         const char *name(CYPoolCString(pool, property));
3177
3178 #ifdef __OBJC__
3179         if (Class _class = objc_getClass(name))
3180             return CYMakeInstance(context, _class, true);
3181 #endif
3182
3183         sqlite3_stmt *statement;
3184
3185         _sqlcall(sqlite3_prepare(Bridge_,
3186             "select "
3187                 "\"bridge\".\"mode\", "
3188                 "\"bridge\".\"value\" "
3189             "from \"bridge\" "
3190             "where"
3191                 " \"bridge\".\"name\" = ?"
3192             " limit 1"
3193         , -1, &statement, NULL));
3194
3195         _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
3196
3197         int mode;
3198         const char *value;
3199
3200         if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
3201             mode = -1;
3202             value = NULL;
3203         } else {
3204             mode = sqlite3_column_int(statement, 0);
3205             value = sqlite3_column_pooled(pool, statement, 1);
3206         }
3207
3208         _sqlcall(sqlite3_finalize(statement));
3209
3210         switch (mode) {
3211             default:
3212                 _assert(false);
3213             case -1:
3214                 return NULL;
3215
3216             case 0:
3217                 return JSEvaluateScript(CYGetJSContext(), CYJSString(value), NULL, NULL, 0, NULL);
3218             case 1:
3219                 return CYMakeFunctor(context, reinterpret_cast<void (*)()>(CYCastSymbol(name)), value);
3220
3221             case 2: {
3222                 // XXX: this is horrendously inefficient
3223                 sig::Signature signature;
3224                 sig::Parse(pool, &signature, value, &Structor_);
3225                 ffi_cif cif;
3226                 sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
3227                 return CYFromFFI(context, signature.elements[0].type, cif.rtype, CYCastSymbol(name));
3228             }
3229
3230             // XXX: implement case 3
3231             case 4:
3232                 return CYMakeType(context, value);
3233         }
3234     } CYCatch
3235 }
3236
3237 #ifdef __OBJC__
3238 static bool stret(ffi_type *ffi_type) {
3239     return ffi_type->type == FFI_TYPE_STRUCT && (
3240         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
3241         struct_forward_array[ffi_type->size] != 0
3242     );
3243 }
3244 #endif
3245
3246 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3247     CYTry {
3248         if (count == 0)
3249             printf("\n");
3250         else
3251             printf("%s\n", CYCastCString(context, arguments[0]));
3252         return CYJSUndefined(context);
3253     } CYCatch
3254 }
3255
3256 #ifdef __OBJC__
3257 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class _class, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception) {
3258     const char *type;
3259
3260     if (_class == NULL)
3261         _class = object_getClass(self);
3262
3263     if (objc_method *method = class_getInstanceMethod(_class, _cmd))
3264         type = method_getTypeEncoding(method);
3265     else {
3266         CYTry {
3267             CYPoolTry {
3268                 NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
3269                 if (method == nil)
3270                     _throw(NSInvalidArgumentException, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
3271                 type = CYPoolCString(pool, [method _typeString]);
3272             } CYPoolCatch(NULL)
3273         } CYCatch
3274     }
3275
3276     objc_super super = {self, _class};
3277     void *arg0 = &super;
3278
3279     void *setup[2];
3280     setup[0] = &arg0;
3281     setup[1] = &_cmd;
3282
3283     sig::Signature signature;
3284     sig::Parse(pool, &signature, type, &Structor_);
3285
3286     ffi_cif cif;
3287     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
3288
3289     void (*function)() = stret(cif.rtype) ? reinterpret_cast<void (*)()>(&objc_msgSendSuper_stret) : reinterpret_cast<void (*)()>(&objc_msgSendSuper);
3290     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
3291 }
3292 #endif
3293
3294 static size_t Nonce_(0);
3295
3296 static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3297     char name[16];
3298     sprintf(name, "%s%zu", CYCastCString(context, arguments[0]), Nonce_++);
3299     return CYCastJSValue(context, name);
3300 }
3301
3302 #ifdef __OBJC__
3303 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3304     CYPool pool;
3305
3306     bool uninitialized;
3307
3308     id self;
3309     SEL _cmd;
3310     Class _class;
3311
3312     CYTry {
3313         if (count < 2)
3314             _throw(NSInvalidArgumentException, "too few arguments to objc_msgSend");
3315
3316         if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
3317             Super *internal(reinterpret_cast<Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
3318             self = internal->GetValue();
3319             _class = internal->class_;;
3320             uninitialized = false;
3321         } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
3322             Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
3323             self = internal->GetValue();
3324             _class = nil;
3325             uninitialized = internal->IsUninitialized();
3326             if (uninitialized)
3327                 internal->value_ = nil;
3328         } else {
3329             self = CYCastNSObject(pool, context, arguments[0]);
3330             _class = nil;
3331             uninitialized = false;
3332         }
3333
3334         if (self == nil)
3335             return CYJSNull(context);
3336
3337         _cmd = CYCastSEL(context, arguments[1]);
3338     } CYCatch
3339
3340     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
3341 }
3342 #endif
3343
3344 #ifdef __OBJC__
3345 /* Hook: objc_registerClassPair {{{ */
3346 // XXX: replace this with associated objects
3347
3348 MSHook(void, CYDealloc, id self, SEL sel) {
3349     CYInternal *internal;
3350     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
3351     if (internal != NULL)
3352         delete internal;
3353     _CYDealloc(self, sel);
3354 }
3355
3356 MSHook(void, objc_registerClassPair, Class _class) {
3357     Class super(class_getSuperclass(_class));
3358     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
3359         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
3360         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
3361     }
3362
3363     _objc_registerClassPair(_class);
3364 }
3365
3366 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3367     CYTry {
3368         if (count != 1)
3369             _throw(NSInvalidArgumentException, "incorrect number of arguments to objc_registerClassPair");
3370         CYPool pool;
3371         NSObject *value(CYCastNSObject(pool, context, arguments[0]));
3372         if (value == NULL || !CYIsClass(value))
3373             _throw(NSInvalidArgumentException, "incorrect number of arguments to objc_registerClassPair");
3374         Class _class((Class) value);
3375         $objc_registerClassPair(_class);
3376         return CYJSUndefined(context);
3377     } CYCatch
3378 }
3379 /* }}} */
3380 #endif
3381
3382 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3383     JSGarbageCollect(context);
3384     return CYJSUndefined(context);
3385 }
3386
3387 #ifdef __OBJC__
3388 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3389     JSValueRef setup[count + 2];
3390     setup[0] = _this;
3391     setup[1] = object;
3392     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
3393     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
3394 }
3395
3396 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3397     CYPool pool;
3398     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
3399
3400     // XXX: handle Instance::Uninitialized?
3401     id self(CYCastNSObject(pool, context, _this));
3402
3403     void *setup[2];
3404     setup[0] = &self;
3405     setup[1] = &internal->sel_;
3406
3407     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
3408 }
3409 #endif
3410
3411 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3412     CYPool pool;
3413     Functor_privateData *internal(reinterpret_cast<Functor_privateData *>(JSObjectGetPrivate(object)));
3414     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
3415 }
3416
3417 #ifdef __OBJC__
3418 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3419     CYTry {
3420         if (count != 2)
3421             _throw(NSInvalidArgumentException, "incorrect number of arguments to Super constructor");
3422         CYPool pool;
3423         NSObject *self(CYCastNSObject(pool, context, arguments[0]));
3424         Class _class(CYCastClass(pool, context, arguments[1]));
3425         return Super::Make(context, self, _class);
3426     } CYCatch
3427 }
3428
3429 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3430     CYTry {
3431         if (count != 1)
3432             _throw(NSInvalidArgumentException, "incorrect number of arguments to Selector constructor");
3433         const char *name(CYCastCString(context, arguments[0]));
3434         return CYMakeSelector(context, sel_registerName(name));
3435     } CYCatch
3436 }
3437 #endif
3438
3439 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3440     CYTry {
3441         if (count != 2)
3442             _throw(NSInvalidArgumentException, "incorrect number of arguments to Functor constructor");
3443
3444         void *value(CYCastPointer<void *>(context, arguments[0]));
3445         const char *type(CYCastCString(context, arguments[1]));
3446
3447         CYPool pool;
3448
3449         sig::Signature signature;
3450         sig::Parse(pool, &signature, type, &Structor_);
3451
3452         return CYMakePointer(context, value, signature.elements[0].type, NULL, NULL);
3453     } CYCatch
3454 }
3455
3456 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3457     CYTry {
3458         if (count != 1)
3459             _throw(NSInvalidArgumentException, "incorrect number of arguments to Type constructor");
3460         const char *type(CYCastCString(context, arguments[0]));
3461         return CYMakeType(context, type);
3462     } CYCatch
3463 }
3464
3465 static JSValueRef Type_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3466     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3467
3468     CYTry {
3469         sig::Type type;
3470
3471         if (JSStringIsEqualToUTF8CString(property, "$cyi")) {
3472             type.primitive = sig::pointer_P;
3473             type.data.data.size = 0;
3474         } else {
3475             CYPool pool;
3476             size_t index(CYGetIndex(pool, property));
3477             if (index == _not(size_t))
3478                 return NULL;
3479             type.primitive = sig::array_P;
3480             type.data.data.size = index;
3481         }
3482
3483         type.name = NULL;
3484         type.flags = 0;
3485
3486         type.data.data.type = internal->type_;
3487
3488         return CYMakeType(context, &type);
3489     } CYCatch
3490 }
3491
3492 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3493     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3494
3495     CYTry {
3496         if (count != 1)
3497             _throw(NSInvalidArgumentException, "incorrect number of arguments to type cast function");
3498         sig::Type *type(internal->type_);
3499         ffi_type *ffi(internal->GetFFI());
3500         // XXX: alignment?
3501         uint8_t value[ffi->size];
3502         CYPool pool;
3503         CYPoolFFI(pool, context, type, ffi, value, arguments[0]);
3504         return CYFromFFI(context, type, ffi, value);
3505     } CYCatch
3506 }
3507
3508 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3509     CYTry {
3510         if (count != 0)
3511             _throw(NSInvalidArgumentException, "incorrect number of arguments to type cast function");
3512         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3513
3514         sig::Type *type(internal->type_);
3515         size_t size;
3516
3517         if (type->primitive != sig::array_P)
3518             size = 0;
3519         else {
3520             size = type->data.data.size;
3521             type = type->data.data.type;
3522         }
3523
3524         void *value(malloc(internal->GetFFI()->size));
3525         return CYMakePointer(context, value, type, NULL, NULL);
3526     } CYCatch
3527 }
3528
3529 #ifdef __OBJC__
3530 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3531     CYTry {
3532         if (count > 1)
3533             _throw(NSInvalidArgumentException, "incorrect number of arguments to Instance constructor");
3534         id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
3535         return Instance::Make(context, self);
3536     } CYCatch
3537 }
3538 #endif
3539
3540 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3541     CYTry {
3542         if (count != 2)
3543             _throw(NSInvalidArgumentException, "incorrect number of arguments to Functor constructor");
3544         const char *type(CYCastCString(context, arguments[1]));
3545         return CYMakeFunctor(context, arguments[0], type);
3546     } CYCatch
3547 }
3548
3549 #ifdef __OBJC__
3550 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3551     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
3552     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
3553 }
3554
3555 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3556     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3557     Type_privateData *typical(internal->GetType());
3558
3559     sig::Type *type;
3560     ffi_type *ffi;
3561
3562     if (typical == NULL) {
3563         type = NULL;
3564         ffi = NULL;
3565     } else {
3566         type = typical->type_;
3567         ffi = typical->ffi_;
3568     }
3569
3570     return CYMakePointer(context, &internal->value_, type, ffi, object);
3571 }
3572 #endif
3573
3574 static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3575     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3576
3577     CYTry {
3578         return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
3579     } CYCatch
3580 }
3581
3582 static JSValueRef CYValue_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3583     return CYValue_callAsFunction_valueOf(context, object, _this, count, arguments, exception);
3584 }
3585
3586 static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3587     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3588     char string[32];
3589     sprintf(string, "%p", internal->value_);
3590
3591     CYTry {
3592         return CYCastJSValue(context, string);
3593     } CYCatch
3594 }
3595
3596 #ifdef __OBJC__
3597 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3598     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3599     return Instance::Make(context, object_getClass(internal->GetValue()));
3600 }
3601
3602 static JSValueRef Instance_getProperty_protocol(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3603     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3604     id self(internal->GetValue());
3605     if (!CYIsClass(self))
3606         return CYJSUndefined(context);
3607     CYTry {
3608         return CYGetClassPrototype(context, self);
3609     } CYCatch
3610 }
3611
3612 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3613     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3614     id self(internal->GetValue());
3615     if (class_getInstanceMethod(object_getClass(self), @selector(alloc)) == NULL)
3616         return CYJSUndefined(context);
3617     return Messages::Make(context, self);
3618 }
3619
3620 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3621     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3622         return NULL;
3623
3624     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3625
3626     CYTry {
3627         CYPoolTry {
3628             return CYCastJSValue(context, CYJSString(CYCastNSCYON(internal->GetValue())));
3629         } CYPoolCatch(NULL)
3630     } CYCatch
3631 }
3632
3633 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3634     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3635         return NULL;
3636
3637     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3638
3639     CYTry {
3640         CYPoolTry {
3641             NSString *key(count == 0 ? nil : CYCastNSString(NULL, CYJSString(context, arguments[0])));
3642             // XXX: check for support of cy$toJSON?
3643             return CYCastJSValue(context, CYJSString([internal->GetValue() cy$toJSON:key]));
3644         } CYPoolCatch(NULL)
3645     } CYCatch
3646 }
3647
3648 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3649     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3650         return NULL;
3651
3652     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3653
3654     CYTry {
3655         CYPoolTry {
3656             return CYCastJSValue(context, CYJSString([internal->GetValue() description]));
3657         } CYPoolCatch(NULL)
3658     } CYCatch
3659 }
3660
3661 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3662     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3663
3664     CYTry {
3665         return CYCastJSValue(context, sel_getName(internal->GetValue()));
3666     } CYCatch
3667 }
3668
3669 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3670     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
3671 }
3672
3673 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3674     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3675     const char *name(sel_getName(internal->GetValue()));
3676
3677     CYTry {
3678         CYPoolTry {
3679             return CYCastJSValue(context, CYJSString([NSString stringWithFormat:@"@selector(%s)", name]));
3680         } CYPoolCatch(NULL)
3681     } CYCatch
3682 }
3683
3684 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3685     CYTry {
3686         if (count != 1)
3687             _throw(NSInvalidArgumentException, "incorrect number of arguments to Selector.type");
3688         CYPool pool;
3689         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3690         if (Class _class = CYCastClass(pool, context, arguments[0])) {
3691             SEL sel(internal->GetValue());
3692             if (objc_method *method = class_getInstanceMethod(_class, sel))
3693                 if (const char *type = CYPoolTypeEncoding(pool, _class, sel, method))
3694                     return CYCastJSValue(context, CYJSString(type));
3695         }
3696
3697         // XXX: do a lookup of some kind
3698         return CYJSNull(context);
3699     } CYCatch
3700 }
3701 #endif
3702
3703 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3704     CYTry {
3705         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
3706         CYPool pool;
3707         const char *type(sig::Unparse(pool, internal->type_));
3708         return CYCastJSValue(context, CYJSString(type));
3709     } CYCatch
3710 }
3711
3712 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3713     CYTry {
3714         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
3715         CYPool pool;
3716         const char *type(sig::Unparse(pool, internal->type_));
3717         size_t size(strlen(type));
3718         char *cyon(new(pool) char[12 + size + 1]);
3719         memcpy(cyon, "new Type(\"", 10);
3720         cyon[12 + size] = '\0';
3721         cyon[12 + size - 2] = '"';
3722         cyon[12 + size - 1] = ')';
3723         memcpy(cyon + 10, type, size);
3724         return CYCastJSValue(context, CYJSString(cyon));
3725     } CYCatch
3726 }
3727
3728 static JSValueRef Type_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3729     return Type_callAsFunction_toString(context, object, _this, count, arguments, exception);
3730 }
3731
3732 #ifdef __OBJC__
3733 static JSStaticValue Selector_staticValues[2] = {
3734     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
3735     {NULL, NULL, NULL, 0}
3736 };
3737 #endif
3738
3739 static JSStaticValue Pointer_staticValues[2] = {
3740     {"$cyi", &Pointer_getProperty_$cyi, &Pointer_setProperty_$cyi, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3741     {NULL, NULL, NULL, 0}
3742 };
3743
3744 static JSStaticFunction Pointer_staticFunctions[4] = {
3745     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3746     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3747     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3748     {NULL, NULL, 0}
3749 };
3750
3751 static JSStaticFunction Struct_staticFunctions[2] = {
3752     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3753     {NULL, NULL, 0}
3754 };
3755
3756 static JSStaticFunction Functor_staticFunctions[4] = {
3757     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3758     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3759     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3760     {NULL, NULL, 0}
3761 };
3762
3763 #ifdef __OBJC__
3764 static JSStaticValue Instance_staticValues[5] = {
3765     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3766     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3767     {"prototype", &Instance_getProperty_protocol, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3768     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3769     {NULL, NULL, NULL, 0}
3770 };
3771
3772 static JSStaticFunction Instance_staticFunctions[5] = {
3773     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3774     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3775     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3776     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3777     {NULL, NULL, 0}
3778 };
3779
3780 static JSStaticFunction Internal_staticFunctions[2] = {
3781     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3782     {NULL, NULL, 0}
3783 };
3784
3785 static JSStaticFunction Selector_staticFunctions[5] = {
3786     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3787     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3788     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3789     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3790     {NULL, NULL, 0}
3791 };
3792 #endif
3793
3794 static JSStaticFunction Type_staticFunctions[4] = {
3795     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3796     {"toJSON", &Type_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3797     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3798     {NULL, NULL, 0}
3799 };
3800
3801 void CYSetArgs(int argc, const char *argv[]) {
3802     JSContextRef context(CYGetJSContext());
3803     JSValueRef args[argc];
3804     for (int i(0); i != argc; ++i)
3805         args[i] = CYCastJSValue(context, argv[i]);
3806     JSValueRef exception(NULL);
3807     JSObjectRef array(JSObjectMakeArray(context, argc, args, &exception));
3808     CYThrow(context, exception);
3809     CYSetProperty(context, System_, CYJSString("args"), array);
3810 }
3811
3812 JSObjectRef CYGetGlobalObject(JSContextRef context) {
3813     return JSContextGetGlobalObject(context);
3814 }
3815
3816 const char *CYExecute(apr_pool_t *pool, const char *code) {
3817     JSContextRef context(CYGetJSContext());
3818     JSValueRef exception(NULL), result;
3819
3820     const char *json;
3821
3822     CYPoolTry {
3823         try {
3824             result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception);
3825         } catch (const char *error) {
3826             return error;
3827         }
3828
3829         if (exception != NULL) { error:
3830             result = exception;
3831             exception = NULL;
3832         }
3833
3834         if (JSValueIsUndefined(context, result))
3835             return NULL;
3836
3837         try {
3838             json = CYPoolCCYON(pool, context, result, &exception);
3839         } catch (const char *error) {
3840             return error;
3841         }
3842
3843         if (exception != NULL)
3844             goto error;
3845     } CYPoolCatch(NULL)
3846
3847     CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
3848     return json;
3849 }
3850
3851 static apr_pool_t *Pool_;
3852
3853 apr_pool_t *CYGetGlobalPool() {
3854     return Pool_;
3855 }
3856
3857 MSInitialize {
3858     _aprcall(apr_initialize());
3859     _aprcall(apr_pool_create(&Pool_, NULL));
3860
3861     _sqlcall(sqlite3_open("/usr/lib/libcycript.db", &Bridge_));
3862
3863 #ifdef __OBJC__
3864     Type_privateData::Object = new(Pool_) Type_privateData(Pool_, "@");
3865     Type_privateData::Selector = new(Pool_) Type_privateData(Pool_, ":");
3866
3867 #ifdef __APPLE__
3868     NSCFBoolean_ = objc_getClass("NSCFBoolean");
3869     NSCFType_ = objc_getClass("NSCFType");
3870 #endif
3871
3872     NSArray_ = objc_getClass("NSArray");
3873     NSDictionary_ = objc_getClass("NSDictonary");
3874     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
3875     NSZombie_ = objc_getClass("_NSZombie_");
3876     Object_ = objc_getClass("Object");
3877 #endif
3878 }
3879
3880 JSGlobalContextRef CYGetJSContext() {
3881     if (Context_ == NULL) {
3882         JSClassDefinition definition;
3883
3884         definition = kJSClassDefinitionEmpty;
3885         definition.className = "Functor";
3886         definition.staticFunctions = Functor_staticFunctions;
3887         definition.callAsFunction = &Functor_callAsFunction;
3888         definition.finalize = &Finalize;
3889         Functor_ = JSClassCreate(&definition);
3890
3891         definition = kJSClassDefinitionEmpty;
3892         definition.className = "Pointer";
3893         definition.staticValues = Pointer_staticValues;
3894         definition.staticFunctions = Pointer_staticFunctions;
3895         definition.getProperty = &Pointer_getProperty;
3896         definition.setProperty = &Pointer_setProperty;
3897         definition.finalize = &Finalize;
3898         Pointer_ = JSClassCreate(&definition);
3899
3900         definition = kJSClassDefinitionEmpty;
3901         definition.className = "Struct";
3902         definition.staticFunctions = Struct_staticFunctions;
3903         definition.getProperty = &Struct_getProperty;
3904         definition.setProperty = &Struct_setProperty;
3905         definition.getPropertyNames = &Struct_getPropertyNames;
3906         definition.finalize = &Finalize;
3907         Struct_ = JSClassCreate(&definition);
3908
3909         definition = kJSClassDefinitionEmpty;
3910         definition.className = "Type";
3911         definition.staticFunctions = Type_staticFunctions;
3912         definition.getProperty = &Type_getProperty;
3913         definition.callAsFunction = &Type_callAsFunction;
3914         definition.callAsConstructor = &Type_callAsConstructor;
3915         definition.finalize = &Finalize;
3916         Type_privateData::Class_ = JSClassCreate(&definition);
3917
3918         definition = kJSClassDefinitionEmpty;
3919         definition.className = "Runtime";
3920         definition.getProperty = &Runtime_getProperty;
3921         Runtime_ = JSClassCreate(&definition);
3922
3923         definition = kJSClassDefinitionEmpty;
3924         //definition.getProperty = &Global_getProperty;
3925         JSClassRef Global(JSClassCreate(&definition));
3926
3927         JSGlobalContextRef context(JSGlobalContextCreate(Global));
3928         Context_ = context;
3929         JSObjectRef global(CYGetGlobalObject(context));
3930
3931         JSObjectSetPrototype(context, global, JSObjectMake(context, Runtime_, NULL));
3932
3933         Array_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array")));
3934         JSValueProtect(context, Array_);
3935
3936         Function_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function")));
3937         JSValueProtect(context, Function_);
3938
3939         String_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String")));
3940         JSValueProtect(context, String_);
3941
3942         length_ = JSStringCreateWithUTF8CString("length");
3943         message_ = JSStringCreateWithUTF8CString("message");
3944         name_ = JSStringCreateWithUTF8CString("name");
3945         prototype_ = JSStringCreateWithUTF8CString("prototype");
3946         toCYON_ = JSStringCreateWithUTF8CString("toCYON");
3947         toJSON_ = JSStringCreateWithUTF8CString("toJSON");
3948
3949         JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
3950         Object_prototype_ = CYCastJSObject(context, CYGetProperty(context, Object, prototype_));
3951         JSValueProtect(context, Object_prototype_);
3952
3953         Array_prototype_ = CYCastJSObject(context, CYGetProperty(context, Array_, prototype_));
3954         Array_pop_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("pop")));
3955         Array_push_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("push")));
3956         Array_splice_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("splice")));
3957
3958         JSValueProtect(context, Array_prototype_);
3959         JSValueProtect(context, Array_pop_);
3960         JSValueProtect(context, Array_push_);
3961         JSValueProtect(context, Array_splice_);
3962
3963         JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new));
3964
3965         JSValueRef function(CYGetProperty(context, Function_, prototype_));
3966
3967 /* Objective-C Classes {{{ */
3968 #ifdef __OBJC__
3969         definition = kJSClassDefinitionEmpty;
3970         definition.className = "Instance";
3971         definition.staticValues = Instance_staticValues;
3972         definition.staticFunctions = Instance_staticFunctions;
3973         definition.hasProperty = &Instance_hasProperty;
3974         definition.getProperty = &Instance_getProperty;
3975         definition.setProperty = &Instance_setProperty;
3976         definition.deleteProperty = &Instance_deleteProperty;
3977         definition.getPropertyNames = &Instance_getPropertyNames;
3978         definition.callAsConstructor = &Instance_callAsConstructor;
3979         definition.hasInstance = &Instance_hasInstance;
3980         definition.finalize = &Finalize;
3981         Instance_ = JSClassCreate(&definition);
3982
3983         definition = kJSClassDefinitionEmpty;
3984         definition.className = "Internal";
3985         definition.staticFunctions = Internal_staticFunctions;
3986         definition.hasProperty = &Internal_hasProperty;
3987         definition.getProperty = &Internal_getProperty;
3988         definition.setProperty = &Internal_setProperty;
3989         definition.getPropertyNames = &Internal_getPropertyNames;
3990         definition.finalize = &Finalize;
3991         Internal_ = JSClassCreate(&definition);
3992
3993         definition = kJSClassDefinitionEmpty;
3994         definition.className = "Message";
3995         definition.staticFunctions = Functor_staticFunctions;
3996         definition.callAsFunction = &Message_callAsFunction;
3997         definition.finalize = &Finalize;
3998         Message_ = JSClassCreate(&definition);
3999
4000         definition = kJSClassDefinitionEmpty;
4001         definition.className = "Messages";
4002         definition.hasProperty = &Messages_hasProperty;
4003         definition.getProperty = &Messages_getProperty;
4004         definition.setProperty = &Messages_setProperty;
4005 #if !__OBJC2__
4006         definition.deleteProperty = &Messages_deleteProperty;
4007 #endif
4008         definition.getPropertyNames = &Messages_getPropertyNames;
4009         definition.finalize = &Finalize;
4010         Messages_ = JSClassCreate(&definition);
4011
4012         definition = kJSClassDefinitionEmpty;
4013         definition.className = "Selector";
4014         definition.staticValues = Selector_staticValues;
4015         definition.staticFunctions = Selector_staticFunctions;
4016         definition.callAsFunction = &Selector_callAsFunction;
4017         definition.finalize = &Finalize;
4018         Selector_ = JSClassCreate(&definition);
4019
4020         definition = kJSClassDefinitionEmpty;
4021         definition.className = "Super";
4022         definition.staticFunctions = Internal_staticFunctions;
4023         definition.finalize = &Finalize;
4024         Super_ = JSClassCreate(&definition);
4025
4026         definition = kJSClassDefinitionEmpty;
4027         definition.className = "ObjectiveC::Classes";
4028         definition.getProperty = &ObjectiveC_Classes_getProperty;
4029         definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
4030         ObjectiveC_Classes_ = JSClassCreate(&definition);
4031
4032         definition = kJSClassDefinitionEmpty;
4033         definition.className = "ObjectiveC::Images";
4034         definition.getProperty = &ObjectiveC_Images_getProperty;
4035         definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
4036         ObjectiveC_Images_ = JSClassCreate(&definition);
4037
4038         definition = kJSClassDefinitionEmpty;
4039         definition.className = "ObjectiveC::Image::Classes";
4040         definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
4041         definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
4042         ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
4043
4044         definition = kJSClassDefinitionEmpty;
4045         definition.className = "ObjectiveC::Protocols";
4046         definition.getProperty = &ObjectiveC_Protocols_getProperty;
4047         definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
4048         ObjectiveC_Protocols_ = JSClassCreate(&definition);
4049
4050         JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
4051         CYSetProperty(context, global, CYJSString("ObjectiveC"), ObjectiveC);
4052
4053         CYSetProperty(context, ObjectiveC, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
4054         CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
4055         CYSetProperty(context, ObjectiveC, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
4056
4057         JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
4058         JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
4059         JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
4060         JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
4061
4062         Instance_prototype_ = (JSObjectRef) CYGetProperty(context, Instance, prototype_);
4063         JSValueProtect(context, Instance_prototype_);
4064
4065         CYSetProperty(context, global, CYJSString("Instance"), Instance);
4066         CYSetProperty(context, global, CYJSString("Selector"), Selector);
4067         CYSetProperty(context, global, CYJSString("Super"), Super);
4068
4069         CYSetProperty(context, global, CYJSString("objc_registerClassPair"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_registerClassPair"), &objc_registerClassPair_));
4070         CYSetProperty(context, global, CYJSString("objc_msgSend"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_msgSend"), &$objc_msgSend));
4071
4072         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Message, prototype_), function);
4073         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Selector, prototype_), function);
4074 #endif
4075 /* }}} */
4076
4077         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Functor, prototype_), function);
4078
4079         CYSetProperty(context, global, CYJSString("Functor"), Functor);
4080         CYSetProperty(context, global, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new));
4081         CYSetProperty(context, global, CYJSString("Type"), JSObjectMakeConstructor(context, Type_privateData::Class_, &Type_new));
4082
4083 #ifdef __OBJC__
4084         MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
4085 #endif
4086
4087 #ifdef __OBJC__
4088 #ifdef __APPLE__
4089         class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
4090 #endif
4091 #endif
4092
4093         JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
4094         CYSetProperty(context, global, CYJSString("Cycript"), cycript);
4095         CYSetProperty(context, cycript, CYJSString("gc"), JSObjectMakeFunctionWithCallback(context, CYJSString("gc"), &Cycript_gc_callAsFunction));
4096
4097         CYSetProperty(context, global, CYJSString("$cyq"), JSObjectMakeFunctionWithCallback(context, CYJSString("$cyq"), &$cyq));
4098
4099         System_ = JSObjectMake(context, NULL, NULL);
4100         JSValueProtect(context, System_);
4101
4102         CYSetProperty(context, global, CYJSString("system"), System_);
4103         CYSetProperty(context, System_, CYJSString("args"), CYJSNull(context));
4104         //CYSetProperty(context, System_, CYJSString("global"), global);
4105
4106         CYSetProperty(context, System_, CYJSString("print"), JSObjectMakeFunctionWithCallback(context, CYJSString("print"), &System_print));
4107
4108         Result_ = JSStringCreateWithUTF8CString("_");
4109     }
4110
4111     return Context_;
4112 }