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, JSPropertyAttributes attributes = kJSPropertyAttributeNone) {
 204     JSValueRef exception(NULL);
 205     JSObjectSetProperty(context, object, name, value, attributes, &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(CYUTF8String value) {
 219     // XXX: this is very wrong
 220     return CYCopyJSString(value.data);
 221 }
 222
 223 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
 224     if (JSValueIsNull(context, value))
 225         return NULL;
 226     JSValueRef exception(NULL);
 227     JSStringRef string(JSValueToStringCopy(context, value, &exception));
 228     CYThrow(context, exception);
 229     return string;
 230 }
 231
 232 class CYJSString {
 233   private:
 234     JSStringRef string_;
 235
 236     void Clear_() {
 237         if (string_ != NULL)
 238             JSStringRelease(string_);
 239     }
 240
 241   public:
 242     CYJSString(const CYJSString &rhs) :
 243         string_(CYCopyJSString(rhs.string_))
 244     {
 245     }
 246
 247     template <typename Arg0_>
 248     CYJSString(Arg0_ arg0) :
 249         string_(CYCopyJSString(arg0))
 250     {
 251     }
 252
 253     template <typename Arg0_, typename Arg1_>
 254     CYJSString(Arg0_ arg0, Arg1_ arg1) :
 255         string_(CYCopyJSString(arg0, arg1))
 256     {
 257     }
 258
 259     CYJSString &operator =(const CYJSString &rhs) {
 260         Clear_();
 261         string_ = CYCopyJSString(rhs.string_);
 262         return *this;
 263     }
 264
 265     ~CYJSString() {
 266         Clear_();
 267     }
 268
 269     void Clear() {
 270         Clear_();
 271         string_ = NULL;
 272     }
 273
 274     operator JSStringRef() const {
 275         return string_;
 276     }
 277 };
 278
 279 static CYUTF16String CYCastUTF16String(JSStringRef value) {
 280     return CYUTF16String(JSStringGetCharactersPtr(value), JSStringGetLength(value));
 281 }
 282
 283 static CYUTF8String CYPoolUTF8String(apr_pool_t *pool, JSStringRef value) {
 284     _assert(pool != NULL);
 285
 286     CYUTF16String utf16(CYCastUTF16String(value));
 287     const char *in(reinterpret_cast<const char *>(utf16.data));
 288
 289     iconv_t conversion(_syscall(iconv_open("UTF-8", "UCS-2-INTERNAL")));
 290
 291     size_t size(JSStringGetMaximumUTF8CStringSize(value));
 292     char *out(new(pool) char[size]);
 293     CYUTF8String utf8(out, size);
 294
 295     size = utf16.size * 2;
 296     _syscall(iconv(conversion, const_cast<char **>(&in), &size, &out, &utf8.size));
 297
 298     *out = '\0';
 299     utf8.size = out - utf8.data;
 300
 301     _syscall(iconv_close(conversion));
 302
 303     return utf8;
 304 }
 305
 306 static const char *CYPoolCString(apr_pool_t *pool, JSStringRef value) {
 307     CYUTF8String utf8(CYPoolUTF8String(pool, value));
 308     _assert(memchr(utf8.data, '\0', utf8.size) == NULL);
 309     return utf8.data;
 310 }
 311
 312 static const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
 313     return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, CYJSString(context, value));
 314 }
 315 /* }}} */
 316 /* C Strings {{{ */
 317 // XXX: this macro is unhygenic
 318 #define CYCastCString_(string) ({ \
 319     char *utf8; \
 320     if (string == NULL) \
 321         utf8 = NULL; \
 322     else { \
 323         size_t size(JSStringGetMaximumUTF8CStringSize(string)); \
 324         utf8 = reinterpret_cast<char *>(alloca(size)); \
 325         JSStringGetUTF8CString(string, utf8, size); \
 326     } \
 327     utf8; \
 328 })
 329
 330 // XXX: this macro is unhygenic
 331 #define CYCastCString(context, value) ({ \
 332     char *utf8; \
 333     if (value == NULL) \
 334         utf8 = NULL; \
 335     else if (JSStringRef string = CYCopyJSString(context, value)) { \
 336         utf8 = CYCastCString_(string); \
 337         JSStringRelease(string); \
 338     } else \
 339         utf8 = NULL; \
 340     utf8; \
 341 })
 342
 343 /* }}} */
 344
 345 #ifdef __OBJC__
 346 /* Objective-C Pool Release {{{ */
 347 apr_status_t CYPoolRelease_(void *data) {
 348     id object(reinterpret_cast<id>(data));
 349     [object release];
 350     return APR_SUCCESS;
 351 }
 352
 353 id CYPoolRelease_(apr_pool_t *pool, id object) {
 354     if (object == nil)
 355         return nil;
 356     else if (pool == NULL)
 357         return [object autorelease];
 358     else {
 359         apr_pool_cleanup_register(pool, object, &CYPoolRelease_, &apr_pool_cleanup_null);
 360         return object;
 361     }
 362 }
 363
 364 template <typename Type_>
 365 Type_ CYPoolRelease(apr_pool_t *pool, Type_ object) {
 366     return (Type_) CYPoolRelease_(pool, (id) object);
 367 }
 368 /* }}} */
 369 /* Objective-C Strings {{{ */
 370 const char *CYPoolCString(apr_pool_t *pool, NSString *value) {
 371     if (pool == NULL)
 372         return [value UTF8String];
 373     else {
 374         size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
 375         char *string(new(pool) char[size]);
 376         if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
 377             _throw(NSInternalInconsistencyException, "[NSString getCString:maxLength:encoding:] == NO");
 378         return string;
 379     }
 380 }
 381
 382 JSStringRef CYCopyJSString_(NSString *value) {
 383 #ifdef __APPLE__
 384     return JSStringCreateWithCFString(reinterpret_cast<CFStringRef>(value));
 385 #else
 386     CYPool pool;
 387     return CYCopyJSString(CYPoolCString(pool, value));
 388 #endif
 389 }
 390
 391 JSStringRef CYCopyJSString(id value) {
 392     if (value == nil)
 393         return NULL;
 394     // XXX: this definition scares me; is anyone using this?!
 395     NSString *string([value description]);
 396     return CYCopyJSString_(string);
 397 }
 398
 399 NSString *CYCopyNSString(const CYUTF8String &value) {
 400 #ifdef __APPLE__
 401     return (NSString *) CFStringCreateWithBytes(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(value.data), value.size, kCFStringEncodingUTF8, true);
 402 #else
 403     return [[NSString alloc] initWithBytes:value.data length:value.size encoding:NSUTF8StringEncoding];
 404 #endif
 405 }
 406
 407 NSString *CYCopyNSString(JSStringRef value) {
 408 #ifdef __APPLE__
 409     return (NSString *) JSStringCopyCFString(kCFAllocatorDefault, value);
 410 #else
 411     return CYCopyNSString(CYCastCString_(value));
 412 #endif
 413 }
 414
 415 NSString *CYCopyNSString(JSContextRef context, JSValueRef value) {
 416     return CYCopyNSString(CYJSString(context, value));
 417 }
 418
 419 NSString *CYCastNSString(apr_pool_t *pool, const CYUTF8String &value) {
 420     return CYPoolRelease(pool, CYCopyNSString(value));
 421 }
 422
 423 NSString *CYCastNSString(apr_pool_t *pool, SEL sel) {
 424     const char *name(sel_getName(sel));
 425     return CYPoolRelease(pool, CYCopyNSString(CYUTF8String(name, strlen(name))));
 426 }
 427
 428 NSString *CYCastNSString(apr_pool_t *pool, JSStringRef value) {
 429     return CYPoolRelease(pool, CYCopyNSString(value));
 430 }
 431
 432 CYUTF8String CYCastUTF8String(NSString *value) {
 433     NSData *data([value dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO]);
 434     return CYUTF8String(reinterpret_cast<const char *>([data bytes]), [data length]);
 435 }
 436 /* }}} */
 437 #endif
 438
 439 /* Index Offsets {{{ */
 440 size_t CYGetIndex(const CYUTF8String &value) {
 441     if (value.data[0] != '0') {
 442         char *end;
 443         size_t index(strtoul(value.data, &end, 10));
 444         if (value.data + value.size == end)
 445             return index;
 446     } else if (value.data[1] == '\0')
 447         return 0;
 448     return _not(size_t);
 449 }
 450
 451 size_t CYGetIndex(apr_pool_t *pool, JSStringRef value) {
 452     return CYGetIndex(CYPoolUTF8String(pool, value));
 453 }
 454
 455 bool CYGetOffset(const char *value, ssize_t &index) {
 456     if (value[0] != '0') {
 457         char *end;
 458         index = strtol(value, &end, 10);
 459         if (value + strlen(value) == end)
 460             return true;
 461     } else if (value[1] == '\0') {
 462         index = 0;
 463         return true;
 464     }
 465
 466     return false;
 467 }
 468
 469 #ifdef __OBJC__
 470 size_t CYGetIndex(NSString *value) {
 471     return CYGetIndex(CYCastUTF8String(value));
 472 }
 473
 474 bool CYGetOffset(apr_pool_t *pool, NSString *value, ssize_t &index) {
 475     return CYGetOffset(CYPoolCString(pool, value), index);
 476 }
 477 #endif
 478 /* }}} */
 479
 480 /* JavaScript *ify {{{ */
 481 void CYStringify(std::ostringstream &str, const char *data, size_t size) {
 482     unsigned quot(0), apos(0);
 483     for (const char *value(data), *end(data + size); value != end; ++value)
 484         if (*value == '"')
 485             ++quot;
 486         else if (*value == '\'')
 487             ++apos;
 488
 489     bool single(quot > apos);
 490
 491     str << (single ? '\'' : '"');
 492
 493     for (const char *value(data), *end(data + size); value != end; ++value)
 494         switch (*value) {
 495             case '\\': str << "\\\\"; break;
 496             case '\b': str << "\\b"; break;
 497             case '\f': str << "\\f"; break;
 498             case '\n': str << "\\n"; break;
 499             case '\r': str << "\\r"; break;
 500             case '\t': str << "\\t"; break;
 501             case '\v': str << "\\v"; break;
 502
 503             case '"':
 504                 if (!single)
 505                     str << "\\\"";
 506                 else goto simple;
 507             break;
 508
 509             case '\'':
 510                 if (single)
 511                     str << "\\'";
 512                 else goto simple;
 513             break;
 514
 515             default:
 516                 if (*value < 0x20 || *value >= 0x7f)
 517                     str << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << unsigned(*value);
 518                 else simple:
 519                     str << *value;
 520         }
 521
 522     str << (single ? '\'' : '"');
 523 }
 524
 525 void CYNumerify(std::ostringstream &str, double value) {
 526     char string[32];
 527     // XXX: I want this to print 1e3 rather than 1000
 528     sprintf(string, "%.17g", value);
 529     str << string;
 530 }
 531 /* }}} */
 532
 533 bool CYIsKey(CYUTF8String value) {
 534     const char *data(value.data);
 535     size_t size(value.size);
 536
 537     if (size == 0)
 538         return false;
 539
 540     if (DigitRange_[data[0]]) {
 541         size_t index(CYGetIndex(value));
 542         if (index == _not(size_t))
 543             return false;
 544     } else {
 545         if (!WordStartRange_[data[0]])
 546             return false;
 547         for (size_t i(1); i != size; ++i)
 548             if (!WordEndRange_[data[i]])
 549                 return false;
 550     }
 551
 552     return true;
 553 }
 554
 555 static JSGlobalContextRef Context_;
 556 static JSObjectRef System_;
 557
 558 static JSClassRef Functor_;
 559 static JSClassRef Pointer_;
 560 static JSClassRef Runtime_;
 561 static JSClassRef Struct_;
 562
 563 #ifdef __OBJC__
 564 static JSClassRef Instance_;
 565 static JSClassRef Internal_;
 566 static JSClassRef Message_;
 567 static JSClassRef Messages_;
 568 static JSClassRef Selector_;
 569 static JSClassRef Super_;
 570
 571 static JSClassRef ObjectiveC_Classes_;
 572 static JSClassRef ObjectiveC_Image_Classes_;
 573 static JSClassRef ObjectiveC_Images_;
 574 static JSClassRef ObjectiveC_Protocols_;
 575
 576 static JSObjectRef Instance_prototype_;
 577 #endif
 578
 579 static JSObjectRef Array_;
 580 static JSObjectRef Function_;
 581 static JSObjectRef String_;
 582
 583 static JSStringRef Result_;
 584
 585 static JSStringRef length_;
 586 static JSStringRef message_;
 587 static JSStringRef name_;
 588 static JSStringRef prototype_;
 589 static JSStringRef toCYON_;
 590 static JSStringRef toJSON_;
 591
 592 static JSObjectRef Object_prototype_;
 593
 594 static JSObjectRef Array_prototype_;
 595 static JSObjectRef Array_pop_;
 596 static JSObjectRef Array_push_;
 597 static JSObjectRef Array_splice_;
 598
 599 #ifdef __OBJC__
 600 #ifdef __APPLE__
 601 static Class NSCFBoolean_;
 602 static Class NSCFType_;
 603 #endif
 604
 605 static Class NSArray_;
 606 static Class NSDictionary_;
 607 static Class NSMessageBuilder_;
 608 static Class NSZombie_;
 609 static Class Object_;
 610 #endif
 611
 612 sqlite3 *Bridge_;
 613
 614 static void Finalize(JSObjectRef object) {
 615     delete reinterpret_cast<CYData *>(JSObjectGetPrivate(object));
 616 }
 617
 618 class Type_privateData;
 619
 620 struct CYValue :
 621     CYData
 622 {
 623     void *value_;
 624
 625     CYValue() {
 626     }
 627
 628     CYValue(const void *value) :
 629         value_(const_cast<void *>(value))
 630     {
 631     }
 632
 633     CYValue(const CYValue &rhs) :
 634         value_(rhs.value_)
 635     {
 636     }
 637
 638     virtual Type_privateData *GetType() const {
 639         return NULL;
 640     }
 641 };
 642
 643 struct CYOwned :
 644     CYValue
 645 {
 646   private:
 647     JSContextRef context_;
 648     JSObjectRef owner_;
 649
 650   public:
 651     CYOwned(void *value, JSContextRef context, JSObjectRef owner) :
 652         CYValue(value),
 653         context_(context),
 654         owner_(owner)
 655     {
 656         if (owner_ != NULL)
 657             JSValueProtect(context_, owner_);
 658     }
 659
 660     virtual ~CYOwned() {
 661         if (owner_ != NULL)
 662             JSValueUnprotect(context_, owner_);
 663     }
 664
 665     JSObjectRef GetOwner() const {
 666         return owner_;
 667     }
 668 };
 669
 670 #ifdef __OBJC__
 671 struct Selector_privateData :
 672     CYValue
 673 {
 674     Selector_privateData(SEL value) :
 675         CYValue(value)
 676     {
 677     }
 678
 679     SEL GetValue() const {
 680         return reinterpret_cast<SEL>(value_);
 681     }
 682
 683     virtual Type_privateData *GetType() const;
 684 };
 685
 686 // XXX: trick this out with associated objects!
 687 JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
 688     if (self == nil)
 689         return Instance_prototype_;
 690
 691     // XXX: I need to think through multi-context
 692     typedef std::map<id, JSValueRef> CacheMap;
 693     static CacheMap cache_;
 694
 695     JSValueRef &value(cache_[self]);
 696     if (value != NULL)
 697         return value;
 698
 699     JSClassRef _class(NULL);
 700     JSValueRef prototype;
 701
 702     if (self == NSArray_)
 703         prototype = Array_prototype_;
 704     else if (self == NSDictionary_)
 705         prototype = Object_prototype_;
 706     else
 707         prototype = CYGetClassPrototype(context, class_getSuperclass(self));
 708
 709     JSObjectRef object(JSObjectMake(context, _class, NULL));
 710     JSObjectSetPrototype(context, object, prototype);
 711
 712     JSValueProtect(context, object);
 713     value = object;
 714     return object;
 715 }
 716
 717 struct Instance :
 718     CYValue
 719 {
 720     enum Flags {
 721         None          = 0,
 722         Transient     = (1 << 0),
 723         Uninitialized = (1 << 1),
 724     };
 725
 726     Flags flags_;
 727
 728     Instance(id value, Flags flags) :
 729         CYValue(value),
 730         flags_(flags)
 731     {
 732     }
 733
 734     virtual ~Instance() {
 735         if ((flags_ & Transient) == 0)
 736             // XXX: does this handle background threads correctly?
 737             // XXX: this simply does not work on the console because I'm stupid
 738             [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
 739     }
 740
 741     static JSObjectRef Make(JSContextRef context, id object, Flags flags = None) {
 742         JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
 743         JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object_getClass(object)));
 744         return value;
 745     }
 746
 747     id GetValue() const {
 748         return reinterpret_cast<id>(value_);
 749     }
 750
 751     bool IsUninitialized() const {
 752         return (flags_ & Uninitialized) != 0;
 753     }
 754
 755     virtual Type_privateData *GetType() const;
 756 };
 757
 758 namespace cy {
 759 struct Super :
 760     Instance
 761 {
 762     Class class_;
 763
 764     Super(id value, Class _class) :
 765         Instance(value, Instance::Transient),
 766         class_(_class)
 767     {
 768     }
 769
 770     static JSObjectRef Make(JSContextRef context, id object, Class _class) {
 771         JSObjectRef value(JSObjectMake(context, Super_, new Super(object, _class)));
 772         return value;
 773     }
 774 }; }
 775
 776 struct Messages :
 777     CYValue
 778 {
 779     Messages(Class value) :
 780         CYValue(value)
 781     {
 782     }
 783
 784     static JSObjectRef Make(JSContextRef context, Class _class, bool array = false) {
 785         JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
 786         if (_class == NSArray_)
 787             array = true;
 788         if (Class super = class_getSuperclass(_class))
 789             JSObjectSetPrototype(context, value, Messages::Make(context, super, array));
 790         /*else if (array)
 791             JSObjectSetPrototype(context, value, Array_prototype_);*/
 792         return value;
 793     }
 794
 795     Class GetValue() const {
 796         return reinterpret_cast<Class>(value_);
 797     }
 798 };
 799
 800 struct Internal :
 801     CYOwned
 802 {
 803     Internal(id value, JSContextRef context, JSObjectRef owner) :
 804         CYOwned(value, context, owner)
 805     {
 806     }
 807
 808     static JSObjectRef Make(JSContextRef context, id object, JSObjectRef owner) {
 809         return JSObjectMake(context, Internal_, new Internal(object, context, owner));
 810     }
 811
 812     id GetValue() const {
 813         return reinterpret_cast<id>(value_);
 814     }
 815 };
 816 #endif
 817
 818 namespace sig {
 819
 820 void Copy(apr_pool_t *pool, Type &lhs, Type &rhs);
 821
 822 void Copy(apr_pool_t *pool, Element &lhs, Element &rhs) {
 823     lhs.name = apr_pstrdup(pool, rhs.name);
 824     if (rhs.type == NULL)
 825         lhs.type = NULL;
 826     else {
 827         lhs.type = new(pool) Type;
 828         Copy(pool, *lhs.type, *rhs.type);
 829     }
 830     lhs.offset = rhs.offset;
 831 }
 832
 833 void Copy(apr_pool_t *pool, Signature &lhs, Signature &rhs) {
 834     size_t count(rhs.count);
 835     lhs.count = count;
 836     lhs.elements = new(pool) Element[count];
 837     for (size_t index(0); index != count; ++index)
 838         Copy(pool, lhs.elements[index], rhs.elements[index]);
 839 }
 840
 841 void Copy(apr_pool_t *pool, Type &lhs, Type &rhs) {
 842     lhs.primitive = rhs.primitive;
 843     lhs.name = apr_pstrdup(pool, rhs.name);
 844     lhs.flags = rhs.flags;
 845
 846     if (sig::IsAggregate(rhs.primitive))
 847         Copy(pool, lhs.data.signature, rhs.data.signature);
 848     else {
 849         sig::Type *&lht(lhs.data.data.type);
 850         sig::Type *&rht(rhs.data.data.type);
 851
 852         if (rht == NULL)
 853             lht = NULL;
 854         else {
 855             lht = new(pool) Type;
 856             Copy(pool, *lht, *rht);
 857         }
 858
 859         lhs.data.data.size = rhs.data.data.size;
 860     }
 861 }
 862
 863 void Copy(apr_pool_t *pool, ffi_type &lhs, ffi_type &rhs) {
 864     lhs.size = rhs.size;
 865     lhs.alignment = rhs.alignment;
 866     lhs.type = rhs.type;
 867     if (rhs.elements == NULL)
 868         lhs.elements = NULL;
 869     else {
 870         size_t count(0);
 871         while (rhs.elements[count] != NULL)
 872             ++count;
 873
 874         lhs.elements = new(pool) ffi_type *[count + 1];
 875         lhs.elements[count] = NULL;
 876
 877         for (size_t index(0); index != count; ++index) {
 878             // XXX: if these are libffi native then you can just take them
 879             ffi_type *ffi(new(pool) ffi_type);
 880             lhs.elements[index] = ffi;
 881             sig::Copy(pool, *ffi, *rhs.elements[index]);
 882         }
 883     }
 884 }
 885
 886 }
 887
 888 struct CStringMapLess :
 889     std::binary_function<const char *, const char *, bool>
 890 {
 891     _finline bool operator ()(const char *lhs, const char *rhs) const {
 892         return strcmp(lhs, rhs) < 0;
 893     }
 894 };
 895
 896 void Structor_(apr_pool_t *pool, const char *name, const char *types, sig::Type *&type) {
 897     if (name == NULL)
 898         return;
 899
 900     sqlite3_stmt *statement;
 901
 902     _sqlcall(sqlite3_prepare(Bridge_,
 903         "select "
 904             "\"bridge\".\"mode\", "
 905             "\"bridge\".\"value\" "
 906         "from \"bridge\" "
 907         "where"
 908             " \"bridge\".\"mode\" in (3, 4) and"
 909             " \"bridge\".\"name\" = ?"
 910         " limit 1"
 911     , -1, &statement, NULL));
 912
 913     _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
 914
 915     int mode;
 916     const char *value;
 917
 918     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
 919         mode = -1;
 920         value = NULL;
 921     } else {
 922         mode = sqlite3_column_int(statement, 0);
 923         value = sqlite3_column_pooled(pool, statement, 1);
 924     }
 925
 926     _sqlcall(sqlite3_finalize(statement));
 927
 928     switch (mode) {
 929         default:
 930             _assert(false);
 931         case -1:
 932             break;
 933
 934         case 3: {
 935             sig::Parse(pool, &type->data.signature, value, &Structor_);
 936         } break;
 937
 938         case 4: {
 939             sig::Signature signature;
 940             sig::Parse(pool, &signature, value, &Structor_);
 941             type = signature.elements[0].type;
 942         } break;
 943     }
 944 }
 945
 946 struct Type_privateData :
 947     CYData
 948 {
 949 #ifdef __OBJC__
 950     static Type_privateData *Object;
 951     static Type_privateData *Selector;
 952 #endif
 953
 954     static JSClassRef Class_;
 955
 956     ffi_type *ffi_;
 957     sig::Type *type_;
 958
 959     void Set(sig::Type *type) {
 960         type_ = new(pool_) sig::Type;
 961         sig::Copy(pool_, *type_, *type);
 962     }
 963
 964     Type_privateData(apr_pool_t *pool, const char *type) :
 965         ffi_(NULL)
 966     {
 967         if (pool != NULL)
 968             pool_ = pool;
 969
 970         sig::Signature signature;
 971         sig::Parse(pool_, &signature, type, &Structor_);
 972         type_ = signature.elements[0].type;
 973     }
 974
 975     Type_privateData(sig::Type *type) :
 976         ffi_(NULL)
 977     {
 978         if (type != NULL)
 979             Set(type);
 980     }
 981
 982     Type_privateData(sig::Type *type, ffi_type *ffi) {
 983         ffi_ = new(pool_) ffi_type;
 984         sig::Copy(pool_, *ffi_, *ffi);
 985         Set(type);
 986     }
 987
 988     ffi_type *GetFFI() {
 989         if (ffi_ == NULL) {
 990             ffi_ = new(pool_) ffi_type;
 991
 992             sig::Element element;
 993             element.name = NULL;
 994             element.type = type_;
 995             element.offset = 0;
 996
 997             sig::Signature signature;
 998             signature.elements = &element;
 999             signature.count = 1;
1000
1001             ffi_cif cif;
1002             sig::sig_ffi_cif(pool_, &sig::ObjectiveC, &signature, &cif);
1003             *ffi_ = *cif.rtype;
1004         }
1005
1006         return ffi_;
1007     }
1008 };
1009
1010 JSClassRef Type_privateData::Class_;
1011
1012 #ifdef __OBJC__
1013 Type_privateData *Type_privateData::Object;
1014 Type_privateData *Type_privateData::Selector;
1015
1016 Type_privateData *Instance::GetType() const {
1017     return Type_privateData::Object;
1018 }
1019
1020 Type_privateData *Selector_privateData::GetType() const {
1021     return Type_privateData::Selector;
1022 }
1023 #endif
1024
1025 struct Pointer :
1026     CYOwned
1027 {
1028     Type_privateData *type_;
1029
1030     Pointer(void *value, JSContextRef context, JSObjectRef owner, sig::Type *type) :
1031         CYOwned(value, context, owner),
1032         type_(new(pool_) Type_privateData(type))
1033     {
1034     }
1035 };
1036
1037 struct Struct_privateData :
1038     CYOwned
1039 {
1040     Type_privateData *type_;
1041
1042     Struct_privateData(JSContextRef context, JSObjectRef owner) :
1043         CYOwned(NULL, context, owner)
1044     {
1045     }
1046 };
1047
1048 typedef std::map<const char *, Type_privateData *, CStringMapLess> TypeMap;
1049 static TypeMap Types_;
1050
1051 JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
1052     Struct_privateData *internal(new Struct_privateData(context, owner));
1053     apr_pool_t *pool(internal->pool_);
1054     Type_privateData *typical(new(pool) Type_privateData(type, ffi));
1055     internal->type_ = typical;
1056
1057     if (owner != NULL)
1058         internal->value_ = data;
1059     else {
1060         size_t size(typical->GetFFI()->size);
1061         void *copy(apr_palloc(internal->pool_, size));
1062         memcpy(copy, data, size);
1063         internal->value_ = copy;
1064     }
1065
1066     return JSObjectMake(context, Struct_, internal);
1067 }
1068
1069 struct Functor_privateData :
1070     CYValue
1071 {
1072     sig::Signature signature_;
1073     ffi_cif cif_;
1074
1075     Functor_privateData(const char *type, void (*value)()) :
1076         CYValue(reinterpret_cast<void *>(value))
1077     {
1078         sig::Parse(pool_, &signature_, type, &Structor_);
1079         sig::sig_ffi_cif(pool_, &sig::ObjectiveC, &signature_, &cif_);
1080     }
1081
1082     void (*GetValue())() const {
1083         return reinterpret_cast<void (*)()>(value_);
1084     }
1085 };
1086
1087 struct Closure_privateData :
1088     Functor_privateData
1089 {
1090     JSContextRef context_;
1091     JSObjectRef function_;
1092
1093     Closure_privateData(JSContextRef context, JSObjectRef function, const char *type) :
1094         Functor_privateData(type, NULL),
1095         context_(context),
1096         function_(function)
1097     {
1098         JSValueProtect(context_, function_);
1099     }
1100
1101     virtual ~Closure_privateData() {
1102         JSValueUnprotect(context_, function_);
1103     }
1104 };
1105
1106 #ifdef __OBJC__
1107 struct Message_privateData :
1108     Functor_privateData
1109 {
1110     SEL sel_;
1111
1112     Message_privateData(SEL sel, const char *type, IMP value = NULL) :
1113         Functor_privateData(type, reinterpret_cast<void (*)()>(value)),
1114         sel_(sel)
1115     {
1116     }
1117 };
1118
1119 JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
1120     Instance::Flags flags;
1121
1122     if (transient)
1123         flags = Instance::Transient;
1124     else {
1125         flags = Instance::None;
1126         object = [object retain];
1127     }
1128
1129     return Instance::Make(context, object, flags);
1130 }
1131 #endif
1132
1133 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
1134     return JSValueMakeBoolean(context, value);
1135 }
1136
1137 JSValueRef CYCastJSValue(JSContextRef context, double value) {
1138     return JSValueMakeNumber(context, value);
1139 }
1140
1141 #define CYCastJSValue_(Type_) \
1142     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
1143         return JSValueMakeNumber(context, static_cast<double>(value)); \
1144     }
1145
1146 CYCastJSValue_(int)
1147 CYCastJSValue_(unsigned int)
1148 CYCastJSValue_(long int)
1149 CYCastJSValue_(long unsigned int)
1150 CYCastJSValue_(long long int)
1151 CYCastJSValue_(long long unsigned int)
1152
1153 JSValueRef CYJSUndefined(JSContextRef context) {
1154     return JSValueMakeUndefined(context);
1155 }
1156
1157 #ifdef __OBJC__
1158 @interface NSMethodSignature (Cycript)
1159 - (NSString *) _typeString;
1160 @end
1161
1162 @interface NSObject (Cycript)
1163
1164 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
1165 - (JSType) cy$JSType;
1166
1167 - (NSObject *) cy$toJSON:(NSString *)key;
1168 - (NSString *) cy$toCYON;
1169 - (NSString *) cy$toKey;
1170
1171 - (bool) cy$hasProperty:(NSString *)name;
1172 - (NSObject *) cy$getProperty:(NSString *)name;
1173 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value;
1174 - (bool) cy$deleteProperty:(NSString *)name;
1175
1176 @end
1177
1178 @protocol Cycript
1179 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
1180 @end
1181 #endif
1182
1183 #ifdef __OBJC__
1184 NSString *CYCastNSCYON(id value) {
1185     NSString *string;
1186
1187     if (value == nil)
1188         string = @"nil";
1189     else {
1190         Class _class(object_getClass(value));
1191         SEL sel(@selector(cy$toCYON));
1192
1193         if (objc_method *toCYON = class_getInstanceMethod(_class, sel))
1194             string = reinterpret_cast<NSString *(*)(id, SEL)>(method_getImplementation(toCYON))(value, sel);
1195         else if (objc_method *methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
1196             if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
1197                 string = [value cy$toCYON];
1198             else goto fail;
1199         } else fail: {
1200             if (value == NSZombie_)
1201                 string = @"_NSZombie_";
1202             else if (_class == NSZombie_)
1203                 string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
1204             // XXX: frowny /in/ the pants
1205             else if (value == NSMessageBuilder_ || value == Object_)
1206                 string = nil;
1207             else
1208                 string = [NSString stringWithFormat:@"%@", value];
1209         }
1210
1211         // XXX: frowny pants
1212         if (string == nil)
1213             string = @"undefined";
1214     }
1215
1216     return string;
1217 }
1218 #endif
1219
1220 #ifdef __OBJC__
1221 #ifdef __APPLE__
1222 struct PropertyAttributes {
1223     CYPool pool_;
1224
1225     const char *name;
1226
1227     const char *variable;
1228
1229     const char *getter_;
1230     const char *setter_;
1231
1232     bool readonly;
1233     bool copy;
1234     bool retain;
1235     bool nonatomic;
1236     bool dynamic;
1237     bool weak;
1238     bool garbage;
1239
1240     PropertyAttributes(objc_property_t property) :
1241         variable(NULL),
1242         getter_(NULL),
1243         setter_(NULL),
1244         readonly(false),
1245         copy(false),
1246         retain(false),
1247         nonatomic(false),
1248         dynamic(false),
1249         weak(false),
1250         garbage(false)
1251     {
1252         name = property_getName(property);
1253         const char *attributes(property_getAttributes(property));
1254
1255         for (char *state, *token(apr_strtok(apr_pstrdup(pool_, attributes), ",", &state)); token != NULL; token = apr_strtok(NULL, ",", &state)) {
1256             switch (*token) {
1257                 case 'R': readonly = true; break;
1258                 case 'C': copy = true; break;
1259                 case '&': retain = true; break;
1260                 case 'N': nonatomic = true; break;
1261                 case 'G': getter_ = token + 1; break;
1262                 case 'S': setter_ = token + 1; break;
1263                 case 'V': variable = token + 1; break;
1264             }
1265         }
1266
1267         /*if (variable == NULL) {
1268             variable = property_getName(property);
1269             size_t size(strlen(variable));
1270             char *name(new(pool_) char[size + 2]);
1271             name[0] = '_';
1272             memcpy(name + 1, variable, size);
1273             name[size + 1] = '\0';
1274             variable = name;
1275         }*/
1276     }
1277
1278     const char *Getter() {
1279         if (getter_ == NULL)
1280             getter_ = apr_pstrdup(pool_, name);
1281         return getter_;
1282     }
1283
1284     const char *Setter() {
1285         if (setter_ == NULL && !readonly) {
1286             size_t length(strlen(name));
1287
1288             char *temp(new(pool_) char[length + 5]);
1289             temp[0] = 's';
1290             temp[1] = 'e';
1291             temp[2] = 't';
1292
1293             if (length != 0) {
1294                 temp[3] = toupper(name[0]);
1295                 memcpy(temp + 4, name + 1, length - 1);
1296             }
1297
1298             temp[length + 3] = ':';
1299             temp[length + 4] = '\0';
1300             setter_ = temp;
1301         }
1302
1303         return setter_;
1304     }
1305
1306 };
1307 #endif
1308 #endif
1309
1310 #ifdef __OBJC__
1311 #ifdef __APPLE__
1312 NSObject *NSCFType$cy$toJSON(id self, SEL sel, NSString *key) {
1313     return [(NSString *) CFCopyDescription((CFTypeRef) self) autorelease];
1314 }
1315 #endif
1316 #endif
1317
1318 #ifdef __OBJC__
1319 #ifndef __APPLE__
1320 @interface CYWebUndefined : NSObject {
1321 }
1322
1323 + (CYWebUndefined *) undefined;
1324
1325 @end
1326
1327 @implementation CYWebUndefined
1328
1329 + (CYWebUndefined *) undefined {
1330     static CYWebUndefined *instance_([[CYWebUndefined alloc] init]);
1331     return instance_;
1332 }
1333
1334 @end
1335
1336 #define WebUndefined CYWebUndefined
1337 #endif
1338 #endif
1339
1340 #ifdef __OBJC__
1341 /* Bridge: NSArray {{{ */
1342 @implementation NSArray (Cycript)
1343
1344 - (NSString *) cy$toCYON {
1345     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
1346     [json appendString:@"["];
1347
1348     bool comma(false);
1349 #ifdef __APPLE__
1350     for (id object in self) {
1351 #else
1352     for (size_t index(0), count([self count]); index != count; ++index) {
1353         id object([self objectAtIndex:index]);
1354 #endif
1355         if (comma)
1356             [json appendString:@","];
1357         else
1358             comma = true;
1359         if (object == nil || [object cy$JSType] != kJSTypeUndefined)
1360             [json appendString:CYCastNSCYON(object)];
1361         else {
1362             [json appendString:@","];
1363             comma = false;
1364         }
1365     }
1366
1367     [json appendString:@"]"];
1368     return json;
1369 }
1370
1371 - (bool) cy$hasProperty:(NSString *)name {
1372     if ([name isEqualToString:@"length"])
1373         return true;
1374
1375     size_t index(CYGetIndex(name));
1376     if (index == _not(size_t) || index >= [self count])
1377         return [super cy$hasProperty:name];
1378     else
1379         return true;
1380 }
1381
1382 - (NSObject *) cy$getProperty:(NSString *)name {
1383     if ([name isEqualToString:@"length"]) {
1384         NSUInteger count([self count]);
1385 #ifdef __APPLE__
1386         return [NSNumber numberWithUnsignedInteger:count];
1387 #else
1388         return [NSNumber numberWithUnsignedInt:count];
1389 #endif
1390     }
1391
1392     size_t index(CYGetIndex(name));
1393     if (index == _not(size_t) || index >= [self count])
1394         return [super cy$getProperty:name];
1395     else
1396         return [self objectAtIndex:index];
1397 }
1398
1399 @end
1400 /* }}} */
1401 /* Bridge: NSDictionary {{{ */
1402 @implementation NSDictionary (Cycript)
1403
1404 - (NSString *) cy$toCYON {
1405     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
1406     [json appendString:@"{"];
1407
1408     bool comma(false);
1409 #ifdef __APPLE__
1410     for (id key in self) {
1411 #else
1412     NSEnumerator *keys([self keyEnumerator]);
1413     while (id key = [keys nextObject]) {
1414 #endif
1415         if (comma)
1416             [json appendString:@","];
1417         else
1418             comma = true;
1419         [json appendString:[key cy$toKey]];
1420         [json appendString:@":"];
1421         NSObject *object([self objectForKey:key]);
1422         [json appendString:CYCastNSCYON(object)];
1423     }
1424
1425     [json appendString:@"}"];
1426     return json;
1427 }
1428
1429 - (bool) cy$hasProperty:(NSString *)name {
1430     return [self objectForKey:name] != nil;
1431 }
1432
1433 - (NSObject *) cy$getProperty:(NSString *)name {
1434     return [self objectForKey:name];
1435 }
1436
1437 @end
1438 /* }}} */
1439 /* Bridge: NSMutableArray {{{ */
1440 @implementation NSMutableArray (Cycript)
1441
1442 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1443     if ([name isEqualToString:@"length"]) {
1444         // XXX: is this not intelligent?
1445         NSNumber *number(reinterpret_cast<NSNumber *>(value));
1446 #ifdef __APPLE__
1447         NSUInteger size([number unsignedIntegerValue]);
1448 #else
1449         NSUInteger size([number unsignedIntValue]);
1450 #endif
1451         NSUInteger count([self count]);
1452         if (size < count)
1453             [self removeObjectsInRange:NSMakeRange(size, count - size)];
1454         else if (size != count) {
1455             WebUndefined *undefined([WebUndefined undefined]);
1456             for (size_t i(count); i != size; ++i)
1457                 [self addObject:undefined];
1458         }
1459         return true;
1460     }
1461
1462     size_t index(CYGetIndex(name));
1463     if (index == _not(size_t))
1464         return [super cy$setProperty:name to:value];
1465
1466     id object(value ?: [NSNull null]);
1467
1468     size_t count([self count]);
1469     if (index < count)
1470         [self replaceObjectAtIndex:index withObject:object];
1471     else {
1472         if (index != count) {
1473             WebUndefined *undefined([WebUndefined undefined]);
1474             for (size_t i(count); i != index; ++i)
1475                 [self addObject:undefined];
1476         }
1477
1478         [self addObject:object];
1479     }
1480
1481     return true;
1482 }
1483
1484 - (bool) cy$deleteProperty:(NSString *)name {
1485     size_t index(CYGetIndex(name));
1486     if (index == _not(size_t) || index >= [self count])
1487         return [super cy$deleteProperty:name];
1488     [self replaceObjectAtIndex:index withObject:[WebUndefined undefined]];
1489     return true;
1490 }
1491
1492 @end
1493 /* }}} */
1494 /* Bridge: NSMutableDictionary {{{ */
1495 @implementation NSMutableDictionary (Cycript)
1496
1497 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1498     [self setObject:(value ?: [NSNull null]) forKey:name];
1499     return true;
1500 }
1501
1502 - (bool) cy$deleteProperty:(NSString *)name {
1503     if ([self objectForKey:name] == nil)
1504         return false;
1505     else {
1506         [self removeObjectForKey:name];
1507         return true;
1508     }
1509 }
1510
1511 @end
1512 /* }}} */
1513 /* Bridge: NSNumber {{{ */
1514 @implementation NSNumber (Cycript)
1515
1516 - (JSType) cy$JSType {
1517 #ifdef __APPLE__
1518     // XXX: this just seems stupid
1519     if ([self class] == NSCFBoolean_)
1520         return kJSTypeBoolean;
1521 #endif
1522     return kJSTypeNumber;
1523 }
1524
1525 - (NSObject *) cy$toJSON:(NSString *)key {
1526     return self;
1527 }
1528
1529 - (NSString *) cy$toCYON {
1530     return [self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false";
1531 }
1532
1533 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1534     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
1535 }
1536
1537 @end
1538 /* }}} */
1539 /* Bridge: NSNull {{{ */
1540 @implementation NSNull (Cycript)
1541
1542 - (JSType) cy$JSType {
1543     return kJSTypeNull;
1544 }
1545
1546 - (NSObject *) cy$toJSON:(NSString *)key {
1547     return self;
1548 }
1549
1550 - (NSString *) cy$toCYON {
1551     return @"null";
1552 }
1553
1554 @end
1555 /* }}} */
1556 /* Bridge: NSObject {{{ */
1557 @implementation NSObject (Cycript)
1558
1559 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1560     return CYMakeInstance(context, self, false);
1561 }
1562
1563 - (JSType) cy$JSType {
1564     return kJSTypeObject;
1565 }
1566
1567 - (NSObject *) cy$toJSON:(NSString *)key {
1568     return [self description];
1569 }
1570
1571 - (NSString *) cy$toCYON {
1572     return [[self cy$toJSON:@""] cy$toCYON];
1573 }
1574
1575 - (NSString *) cy$toKey {
1576     return [self cy$toCYON];
1577 }
1578
1579 - (bool) cy$hasProperty:(NSString *)name {
1580     return false;
1581 }
1582
1583 - (NSObject *) cy$getProperty:(NSString *)name {
1584     return nil;
1585 }
1586
1587 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1588     return false;
1589 }
1590
1591 - (bool) cy$deleteProperty:(NSString *)name {
1592     return false;
1593 }
1594
1595 @end
1596 /* }}} */
1597 /* Bridge: NSProxy {{{ */
1598 @implementation NSProxy (Cycript)
1599
1600 - (NSObject *) cy$toJSON:(NSString *)key {
1601     return [self description];
1602 }
1603
1604 - (NSString *) cy$toCYON {
1605     return [[self cy$toJSON:@""] cy$toCYON];
1606 }
1607
1608 @end
1609 /* }}} */
1610 /* Bridge: NSString {{{ */
1611 @implementation NSString (Cycript)
1612
1613 - (JSType) cy$JSType {
1614     return kJSTypeString;
1615 }
1616
1617 - (NSObject *) cy$toJSON:(NSString *)key {
1618     return self;
1619 }
1620
1621 - (NSString *) cy$toCYON {
1622     std::ostringstream str;
1623     CYUTF8String string(CYCastUTF8String(self));
1624     CYStringify(str, string.data, string.size);
1625     std::string value(str.str());
1626     return CYCastNSString(NULL, CYUTF8String(value.c_str(), value.size()));
1627 }
1628
1629 - (NSString *) cy$toKey {
1630     if (CYIsKey(CYCastUTF8String(self)))
1631         return self;
1632     return [self cy$toCYON];
1633 }
1634
1635 @end
1636 /* }}} */
1637 /* Bridge: WebUndefined {{{ */
1638 @implementation WebUndefined (Cycript)
1639
1640 - (JSType) cy$JSType {
1641     return kJSTypeUndefined;
1642 }
1643
1644 - (NSObject *) cy$toJSON:(NSString *)key {
1645     return self;
1646 }
1647
1648 - (NSString *) cy$toCYON {
1649     return @"undefined";
1650 }
1651
1652 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1653     return CYJSUndefined(context);
1654 }
1655
1656 @end
1657 /* }}} */
1658
1659 /* Bridge: CYJSObject {{{ */
1660 @interface CYJSObject : NSMutableDictionary {
1661     JSObjectRef object_;
1662     JSContextRef context_;
1663 }
1664
1665 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
1666
1667 - (NSObject *) cy$toJSON:(NSString *)key;
1668
1669 - (NSUInteger) count;
1670 - (id) objectForKey:(id)key;
1671 - (NSEnumerator *) keyEnumerator;
1672 - (void) setObject:(id)object forKey:(id)key;
1673 - (void) removeObjectForKey:(id)key;
1674
1675 @end
1676 /* }}} */
1677 /* Bridge: CYJSArray {{{ */
1678 @interface CYJSArray : NSMutableArray {
1679     JSObjectRef object_;
1680     JSContextRef context_;
1681 }
1682
1683 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
1684
1685 - (NSUInteger) count;
1686 - (id) objectAtIndex:(NSUInteger)index;
1687
1688 - (void) addObject:(id)anObject;
1689 - (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
1690 - (void) removeLastObject;
1691 - (void) removeObjectAtIndex:(NSUInteger)index;
1692 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
1693
1694 @end
1695 /* }}} */
1696 #endif
1697
1698 #ifdef __OBJC__
1699 NSObject *CYCastNSObject_(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
1700     JSValueRef exception(NULL);
1701     bool array(JSValueIsInstanceOfConstructor(context, object, Array_, &exception));
1702     CYThrow(context, exception);
1703     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
1704     return CYPoolRelease(pool, [value initWithJSObject:object inContext:context]);
1705 }
1706
1707 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
1708     if (!JSValueIsObjectOfClass(context, object, Instance_))
1709         return CYCastNSObject_(pool, context, object);
1710     else {
1711         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1712         return internal->GetValue();
1713     }
1714 }
1715 #endif
1716
1717 double CYCastDouble(const char *value, size_t size) {
1718     char *end;
1719     double number(strtod(value, &end));
1720     if (end != value + size)
1721         return NAN;
1722     return number;
1723 }
1724
1725 double CYCastDouble(const char *value) {
1726     return CYCastDouble(value, strlen(value));
1727 }
1728
1729 double CYCastDouble(JSContextRef context, JSValueRef value) {
1730     JSValueRef exception(NULL);
1731     double number(JSValueToNumber(context, value, &exception));
1732     CYThrow(context, exception);
1733     return number;
1734 }
1735
1736 #ifdef __OBJC__
1737 NSNumber *CYCopyNSNumber(JSContextRef context, JSValueRef value) {
1738     return [[NSNumber alloc] initWithDouble:CYCastDouble(context, value)];
1739 }
1740 #endif
1741
1742 bool CYCastBool(JSContextRef context, JSValueRef value) {
1743     return JSValueToBoolean(context, value);
1744 }
1745
1746 #ifdef __OBJC__
1747 id CYNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value, bool cast) {
1748     id object;
1749     bool copy;
1750
1751     switch (JSType type = JSValueGetType(context, value)) {
1752         case kJSTypeUndefined:
1753             object = [WebUndefined undefined];
1754             copy = false;
1755         break;
1756
1757         case kJSTypeNull:
1758             return NULL;
1759         break;
1760
1761         case kJSTypeBoolean:
1762 #ifdef __APPLE__
1763             object = (id) (CYCastBool(context, value) ? kCFBooleanTrue : kCFBooleanFalse);
1764             copy = false;
1765 #else
1766             object = [[NSNumber alloc] initWithBool:CYCastBool(context, value)];
1767             copy = true;
1768 #endif
1769         break;
1770
1771         case kJSTypeNumber:
1772             object = CYCopyNSNumber(context, value);
1773             copy = true;
1774         break;
1775
1776         case kJSTypeString:
1777             object = CYCopyNSString(context, value);
1778             copy = true;
1779         break;
1780
1781         case kJSTypeObject:
1782             // XXX: this might could be more efficient
1783             object = CYCastNSObject(pool, context, (JSObjectRef) value);
1784             copy = false;
1785         break;
1786
1787         default:
1788             _throw(NSInternalInconsistencyException, "JSValueGetType() == 0x%x", type);
1789         break;
1790     }
1791
1792     if (cast != copy)
1793         return object;
1794     else if (copy)
1795         return CYPoolRelease(pool, object);
1796     else
1797         return [object retain];
1798 }
1799
1800 NSObject *CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1801     return CYNSObject(pool, context, value, true);
1802 }
1803 NSObject *CYCopyNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1804     return CYNSObject(pool, context, value, false);
1805 }
1806
1807 static bool CYIsClass(id self) {
1808     // XXX: this is a lame object_isClass
1809     return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
1810 }
1811
1812 Class CYCastClass(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1813     id self(CYCastNSObject(pool, context, value));
1814     if (CYIsClass(self))
1815         return (Class) self;
1816     _throw(NSInvalidArgumentException, "got something that is not a Class");
1817     return NULL;
1818 }
1819
1820 NSArray *CYCastNSArray(JSPropertyNameArrayRef names) {
1821     CYPool pool;
1822     size_t size(JSPropertyNameArrayGetCount(names));
1823     NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
1824     for (size_t index(0); index != size; ++index)
1825         [array addObject:CYCastNSString(pool, JSPropertyNameArrayGetNameAtIndex(names, index))];
1826     return array;
1827 }
1828 #endif
1829
1830 void CYThrow(JSContextRef context, JSValueRef value) {
1831     if (value == NULL)
1832         return;
1833 #ifdef __OBJC__
1834     @throw CYCastNSObject(NULL, context, value);
1835 #else
1836     // XXX: fix this
1837     throw "throwing something";
1838 #endif
1839 }
1840
1841 JSValueRef CYJSNull(JSContextRef context) {
1842     return JSValueMakeNull(context);
1843 }
1844
1845 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) {
1846     return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value);
1847 }
1848
1849 JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
1850     return CYCastJSValue(context, CYJSString(value));
1851 }
1852
1853 #ifdef __OBJC__
1854 JSValueRef CYCastJSValue(JSContextRef context, id value) {
1855     if (value == nil)
1856         return CYJSNull(context);
1857     else if ([value respondsToSelector:@selector(cy$JSValueInContext:)])
1858         return [value cy$JSValueInContext:context];
1859     else
1860         return CYMakeInstance(context, value, false);
1861 }
1862 #endif
1863
1864 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
1865     JSValueRef exception(NULL);
1866     JSObjectRef object(JSValueToObject(context, value, &exception));
1867     CYThrow(context, exception);
1868     return object;
1869 }
1870
1871 void CYThrow(JSContextRef context, NSException *error, JSValueRef *exception) {
1872     if (exception == NULL)
1873         throw error;
1874     *exception = CYCastJSValue(context, error);
1875 }
1876
1877 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, JSValueRef arguments[]) {
1878     JSValueRef exception(NULL);
1879     JSValueRef value(JSObjectCallAsFunction(context, function, _this, count, arguments, &exception));
1880     CYThrow(context, exception);
1881     return value;
1882 }
1883
1884 bool CYIsCallable(JSContextRef context, JSValueRef value) {
1885     return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value);
1886 }
1887
1888 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef object);
1889
1890 #ifdef __OBJC__
1891 @implementation CYJSObject
1892
1893 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context {
1894     if ((self = [super init]) != nil) {
1895         object_ = object;
1896         context_ = context;
1897         JSValueProtect(context_, object_);
1898     } return self;
1899 }
1900
1901 - (void) dealloc {
1902     JSValueUnprotect(context_, object_);
1903     [super dealloc];
1904 }
1905
1906 - (NSObject *) cy$toJSON:(NSString *)key {
1907     JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_));
1908     if (!CYIsCallable(context_, toJSON))
1909         return [super cy$toJSON:key];
1910     else {
1911         JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
1912         JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
1913         // XXX: do I really want an NSNull here?!
1914         return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1915     }
1916 }
1917
1918 - (NSString *) cy$toCYON {
1919     CYPool pool;
1920     JSValueRef exception(NULL);
1921     const char *cyon(CYPoolCCYON(pool, context_, object_));
1922     CYThrow(context_, exception);
1923     if (cyon == NULL)
1924         return [super cy$toCYON];
1925     else
1926         return [NSString stringWithUTF8String:cyon];
1927 }
1928
1929 - (NSUInteger) count {
1930     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1931     size_t size(JSPropertyNameArrayGetCount(names));
1932     JSPropertyNameArrayRelease(names);
1933     return size;
1934 }
1935
1936 - (id) objectForKey:(id)key {
1937     JSValueRef value(CYGetProperty(context_, object_, CYJSString(key)));
1938     if (JSValueIsUndefined(context_, value))
1939         return nil;
1940     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1941 }
1942
1943 - (NSEnumerator *) keyEnumerator {
1944     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1945     NSEnumerator *enumerator([CYCastNSArray(names) objectEnumerator]);
1946     JSPropertyNameArrayRelease(names);
1947     return enumerator;
1948 }
1949
1950 - (void) setObject:(id)object forKey:(id)key {
1951     CYSetProperty(context_, object_, CYJSString(key), CYCastJSValue(context_, object));
1952 }
1953
1954 - (void) removeObjectForKey:(id)key {
1955     JSValueRef exception(NULL);
1956     (void) JSObjectDeleteProperty(context_, object_, CYJSString(key), &exception);
1957     CYThrow(context_, exception);
1958 }
1959
1960 @end
1961
1962 @implementation CYJSArray
1963
1964 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context {
1965     if ((self = [super init]) != nil) {
1966         object_ = object;
1967         context_ = context;
1968         JSValueProtect(context_, object_);
1969     } return self;
1970 }
1971
1972 - (void) dealloc {
1973     JSValueUnprotect(context_, object_);
1974     [super dealloc];
1975 }
1976
1977 - (NSUInteger) count {
1978     return CYCastDouble(context_, CYGetProperty(context_, object_, length_));
1979 }
1980
1981 - (id) objectAtIndex:(NSUInteger)index {
1982     size_t bounds([self count]);
1983     if (index >= bounds)
1984         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1985     JSValueRef exception(NULL);
1986     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1987     CYThrow(context_, exception);
1988     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1989 }
1990
1991 - (void) addObject:(id)object {
1992     JSValueRef exception(NULL);
1993     JSValueRef arguments[1];
1994     arguments[0] = CYCastJSValue(context_, object);
1995     JSObjectCallAsFunction(context_, Array_push_, object_, 1, arguments, &exception);
1996     CYThrow(context_, exception);
1997 }
1998
1999 - (void) insertObject:(id)object atIndex:(NSUInteger)index {
2000     size_t bounds([self count] + 1);
2001     if (index >= bounds)
2002         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
2003     JSValueRef exception(NULL);
2004     JSValueRef arguments[3];
2005     arguments[0] = CYCastJSValue(context_, index);
2006     arguments[1] = CYCastJSValue(context_, 0);
2007     arguments[2] = CYCastJSValue(context_, object);
2008     JSObjectCallAsFunction(context_, Array_splice_, object_, 3, arguments, &exception);
2009     CYThrow(context_, exception);
2010 }
2011
2012 - (void) removeLastObject {
2013     JSValueRef exception(NULL);
2014     JSObjectCallAsFunction(context_, Array_pop_, object_, 0, NULL, &exception);
2015     CYThrow(context_, exception);
2016 }
2017
2018 - (void) removeObjectAtIndex:(NSUInteger)index {
2019     size_t bounds([self count]);
2020     if (index >= bounds)
2021         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
2022     JSValueRef exception(NULL);
2023     JSValueRef arguments[2];
2024     arguments[0] = CYCastJSValue(context_, index);
2025     arguments[1] = CYCastJSValue(context_, 1);
2026     JSObjectCallAsFunction(context_, Array_splice_, object_, 2, arguments, &exception);
2027     CYThrow(context_, exception);
2028 }
2029
2030 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object {
2031     size_t bounds([self count]);
2032     if (index >= bounds)
2033         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
2034     CYSetProperty(context_, object_, index, CYCastJSValue(context_, object));
2035 }
2036
2037 @end
2038 #endif
2039
2040 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value, JSValueRef *exception) {
2041     switch (JSType type = JSValueGetType(context, value)) {
2042         case kJSTypeUndefined:
2043             return "undefined";
2044         case kJSTypeNull:
2045             return "null";
2046         case kJSTypeBoolean:
2047             return CYCastBool(context, value) ? "true" : "false";
2048
2049         case kJSTypeNumber: {
2050             std::ostringstream str;
2051             CYNumerify(str, CYCastDouble(context, value));
2052             std::string value(str.str());
2053             return apr_pstrmemdup(pool, value.c_str(), value.size());
2054         } break;
2055
2056         case kJSTypeString: {
2057             std::ostringstream str;
2058             CYUTF8String string(CYPoolUTF8String(pool, CYJSString(context, value)));
2059             CYStringify(str, string.data, string.size);
2060             std::string value(str.str());
2061             return apr_pstrmemdup(pool, value.c_str(), value.size());
2062         } break;
2063
2064         case kJSTypeObject: CYTry {
2065             return CYPoolCCYON(pool, context, (JSObjectRef) value);
2066         } CYCatch
2067
2068         default:
2069             _throw(NSInternalInconsistencyException, "JSValueGetType() == 0x%x", type);
2070             return NULL;
2071         break;
2072     }
2073 }
2074
2075 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
2076     JSValueRef exception(NULL);
2077     const char *cyon(CYPoolCCYON(pool, context, value, &exception));
2078     CYThrow(context, exception);
2079     return cyon;
2080 }
2081
2082 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
2083     JSValueRef toCYON(CYGetProperty(context, object, toCYON_));
2084     if (CYIsCallable(context, toCYON)) {
2085         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 0, NULL));
2086         return CYPoolCString(pool, context, value);
2087     }
2088
2089     JSValueRef toJSON(CYGetProperty(context, object, toJSON_));
2090     if (CYIsCallable(context, toJSON)) {
2091         JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
2092         JSValueRef exception(NULL);
2093         const char *cyon(CYPoolCCYON(pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), &exception));
2094         CYThrow(context, exception);
2095         return cyon;
2096     }
2097
2098     std::ostringstream str;
2099
2100     str << '{';
2101
2102     // XXX: this is, sadly, going to leak
2103     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, object));
2104
2105     bool comma(false);
2106
2107     for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) {
2108         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
2109         JSValueRef value(CYGetProperty(context, object, name));
2110
2111         if (comma)
2112             str << ',';
2113         else
2114             comma = true;
2115
2116         CYUTF8String string(CYPoolUTF8String(pool, name));
2117         if (CYIsKey(string))
2118             str << string.data;
2119         else
2120             CYStringify(str, string.data, string.size);
2121
2122         str << ':' << CYPoolCCYON(pool, context, value);
2123     }
2124
2125     str << '}';
2126
2127     JSPropertyNameArrayRelease(names);
2128
2129     std::string string(str.str());
2130     return apr_pstrmemdup(pool, string.c_str(), string.size());
2131 }
2132
2133 static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2134     CYPool pool;
2135     std::ostringstream str;
2136
2137     str << '[';
2138
2139     JSValueRef length(CYGetProperty(context, _this, length_));
2140     bool comma(false);
2141
2142     for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) {
2143         JSValueRef value(CYGetProperty(context, _this, index));
2144
2145         if (comma)
2146             str << ',';
2147         else
2148             comma = true;
2149
2150         if (!JSValueIsUndefined(context, value))
2151             str << CYPoolCCYON(pool, context, value);
2152         else {
2153             str << ',';
2154             comma = false;
2155         }
2156     }
2157
2158     str << ']';
2159
2160     std::string value(str.str());
2161     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
2162 } CYCatch }
2163
2164 #ifdef __OBJC__
2165 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
2166 struct CYInternal :
2167     CYData
2168 {
2169     JSObjectRef object_;
2170
2171     CYInternal() :
2172         object_(NULL)
2173     {
2174     }
2175
2176     ~CYInternal() {
2177         // XXX: delete object_? ;(
2178     }
2179
2180     static CYInternal *Get(id self) {
2181         CYInternal *internal(NULL);
2182         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
2183             // XXX: do something epic? ;P
2184         }
2185
2186         return internal;
2187     }
2188
2189     static CYInternal *Set(id self) {
2190         CYInternal *internal(NULL);
2191         if (Ivar ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
2192             if (internal == NULL) {
2193                 internal = new CYInternal();
2194                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
2195             }
2196         } else {
2197             // XXX: do something epic? ;P
2198         }
2199
2200         return internal;
2201     }
2202
2203     bool HasProperty(JSContextRef context, JSStringRef name) {
2204         if (object_ == NULL)
2205             return false;
2206         return JSObjectHasProperty(context, object_, name);
2207     }
2208
2209     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
2210         if (object_ == NULL)
2211             return NULL;
2212         return CYGetProperty(context, object_, name);
2213     }
2214
2215     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
2216         if (object_ == NULL)
2217             object_ = JSObjectMake(context, NULL, NULL);
2218         CYSetProperty(context, object_, name, value);
2219     }
2220 };
2221 #endif
2222
2223 #ifdef __OBJC__
2224 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
2225     Selector_privateData *internal(new Selector_privateData(sel));
2226     return JSObjectMake(context, Selector_, internal);
2227 }
2228 #endif
2229
2230 static JSObjectRef CYMakePointer(JSContextRef context, void *pointer, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
2231     Pointer *internal(new Pointer(pointer, context, owner, type));
2232     return JSObjectMake(context, Pointer_, internal);
2233 }
2234
2235 static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) {
2236     Functor_privateData *internal(new Functor_privateData(type, function));
2237     return JSObjectMake(context, Functor_, internal);
2238 }
2239
2240 static bool CYGetOffset(apr_pool_t *pool, JSStringRef value, ssize_t &index) {
2241     return CYGetOffset(CYPoolCString(pool, value), index);
2242 }
2243
2244 static void *CYCastPointer_(JSContextRef context, JSValueRef value) {
2245     switch (JSValueGetType(context, value)) {
2246         case kJSTypeNull:
2247             return NULL;
2248         /*case kJSTypeString:
2249             return dlsym(RTLD_DEFAULT, CYCastCString(context, value));
2250         case kJSTypeObject:
2251             if (JSValueIsObjectOfClass(context, value, Pointer_)) {
2252                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate((JSObjectRef) value)));
2253                 return internal->value_;
2254             }*/
2255         default:
2256             double number(CYCastDouble(context, value));
2257             if (std::isnan(number))
2258                 _throw(NSInvalidArgumentException, "cannot convert value to pointer");
2259             return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
2260     }
2261 }
2262
2263 template <typename Type_>
2264 static _finline Type_ CYCastPointer(JSContextRef context, JSValueRef value) {
2265     return reinterpret_cast<Type_>(CYCastPointer_(context, value));
2266 }
2267
2268 #ifdef __OBJC__
2269 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
2270     if (JSValueIsObjectOfClass(context, value, Selector_)) {
2271         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
2272         return reinterpret_cast<SEL>(internal->value_);
2273     } else
2274         return CYCastPointer<SEL>(context, value);
2275 }
2276 #endif
2277
2278 static void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) {
2279     switch (type->primitive) {
2280         case sig::boolean_P:
2281             *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
2282         break;
2283
2284 #define CYPoolFFI_(primitive, native) \
2285         case sig::primitive ## _P: \
2286             *reinterpret_cast<native *>(data) = CYCastDouble(context, value); \
2287         break;
2288
2289         CYPoolFFI_(uchar, unsigned char)
2290         CYPoolFFI_(char, char)
2291         CYPoolFFI_(ushort, unsigned short)
2292         CYPoolFFI_(short, short)
2293         CYPoolFFI_(ulong, unsigned long)
2294         CYPoolFFI_(long, long)
2295         CYPoolFFI_(uint, unsigned int)
2296         CYPoolFFI_(int, int)
2297         CYPoolFFI_(ulonglong, unsigned long long)
2298         CYPoolFFI_(longlong, long long)
2299         CYPoolFFI_(float, float)
2300         CYPoolFFI_(double, double)
2301
2302 #ifdef __OBJC__
2303         case sig::object_P:
2304         case sig::typename_P:
2305             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
2306         break;
2307
2308         case sig::selector_P:
2309             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
2310         break;
2311 #endif
2312
2313         case sig::pointer_P:
2314             *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value);
2315         break;
2316
2317         case sig::string_P:
2318             *reinterpret_cast<const char **>(data) = CYPoolCString(pool, context, value);
2319         break;
2320
2321         case sig::struct_P: {
2322             uint8_t *base(reinterpret_cast<uint8_t *>(data));
2323             JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
2324             for (size_t index(0); index != type->data.signature.count; ++index) {
2325                 sig::Element *element(&type->data.signature.elements[index]);
2326                 ffi_type *field(ffi->elements[index]);
2327
2328                 JSValueRef rhs;
2329                 if (aggregate == NULL)
2330                     rhs = value;
2331                 else {
2332                     rhs = CYGetProperty(context, aggregate, index);
2333                     if (JSValueIsUndefined(context, rhs)) {
2334                         if (element->name != NULL)
2335                             rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
2336                         else
2337                             goto undefined;
2338                         if (JSValueIsUndefined(context, rhs)) undefined:
2339                             _throw(NSInvalidArgumentException, "unable to extract structure value");
2340                     }
2341                 }
2342
2343                 CYPoolFFI(pool, context, element->type, field, base, rhs);
2344                 // XXX: alignment?
2345                 base += field->size;
2346             }
2347         } break;
2348
2349         case sig::void_P:
2350         break;
2351
2352         default:
2353             fprintf(stderr, "CYPoolFFI(%c)\n", type->primitive);
2354             _assert(false);
2355     }
2356 }
2357
2358 static JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize = false, JSObjectRef owner = NULL) {
2359     JSValueRef value;
2360
2361     switch (type->primitive) {
2362         case sig::boolean_P:
2363             value = CYCastJSValue(context, *reinterpret_cast<bool *>(data));
2364         break;
2365
2366 #define CYFromFFI_(primitive, native) \
2367         case sig::primitive ## _P: \
2368             value = CYCastJSValue(context, *reinterpret_cast<native *>(data)); \
2369         break;
2370
2371         CYFromFFI_(uchar, unsigned char)
2372         CYFromFFI_(char, char)
2373         CYFromFFI_(ushort, unsigned short)
2374         CYFromFFI_(short, short)
2375         CYFromFFI_(ulong, unsigned long)
2376         CYFromFFI_(long, long)
2377         CYFromFFI_(uint, unsigned int)
2378         CYFromFFI_(int, int)
2379         CYFromFFI_(ulonglong, unsigned long long)
2380         CYFromFFI_(longlong, long long)
2381         CYFromFFI_(float, float)
2382         CYFromFFI_(double, double)
2383
2384 #ifdef __OBJC__
2385         case sig::object_P: {
2386             if (id object = *reinterpret_cast<id *>(data)) {
2387                 value = CYCastJSValue(context, object);
2388                 if (initialize)
2389                     [object release];
2390             } else goto null;
2391         } break;
2392
2393         case sig::typename_P:
2394             value = CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
2395         break;
2396
2397         case sig::selector_P:
2398             if (SEL sel = *reinterpret_cast<SEL *>(data))
2399                 value = CYMakeSelector(context, sel);
2400             else goto null;
2401         break;
2402 #endif
2403
2404         case sig::pointer_P:
2405             if (void *pointer = *reinterpret_cast<void **>(data))
2406                 value = CYMakePointer(context, pointer, type->data.data.type, ffi, owner);
2407             else goto null;
2408         break;
2409
2410         case sig::string_P:
2411             if (char *utf8 = *reinterpret_cast<char **>(data))
2412                 value = CYCastJSValue(context, utf8);
2413             else goto null;
2414         break;
2415
2416         case sig::struct_P:
2417             value = CYMakeStruct(context, data, type, ffi, owner);
2418         break;
2419
2420         case sig::void_P:
2421             value = CYJSUndefined(context);
2422         break;
2423
2424         null:
2425             value = CYJSNull(context);
2426         break;
2427
2428         default:
2429             fprintf(stderr, "CYFromFFI(%c)\n", type->primitive);
2430             _assert(false);
2431     }
2432
2433     return value;
2434 }
2435
2436 #ifdef __OBJC__
2437 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
2438     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
2439         if (!devoid)
2440             return true;
2441         char type[16];
2442         method_getReturnType(method, type, sizeof(type));
2443         if (type[0] != 'v')
2444             return true;
2445     }
2446
2447     // XXX: possibly use a more "awesome" check?
2448     return false;
2449 }
2450 #endif
2451
2452 #ifdef __OBJC__
2453 static const char *CYPoolTypeEncoding(apr_pool_t *pool, Class _class, SEL sel, objc_method *method) {
2454     if (method != NULL)
2455         return method_getTypeEncoding(method);
2456
2457     const char *name(sel_getName(sel));
2458
2459     sqlite3_stmt *statement;
2460
2461     _sqlcall(sqlite3_prepare(Bridge_,
2462         "select "
2463             "\"bridge\".\"mode\", "
2464             "\"bridge\".\"value\" "
2465         "from \"bridge\" "
2466         "where"
2467             " \"bridge\".\"mode\" in (3, 4) and"
2468             " \"bridge\".\"name\" = ?"
2469         " limit 1"
2470     , -1, &statement, NULL));
2471
2472     _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
2473
2474     int mode;
2475     const char *value;
2476
2477     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
2478         mode = -1;
2479         value = NULL;
2480     } else {
2481         mode = sqlite3_column_int(statement, 0);
2482         value = sqlite3_column_pooled(pool, statement, 1);
2483     }
2484
2485     _sqlcall(sqlite3_finalize(statement));
2486
2487     if (value != NULL)
2488         return value;
2489
2490     return NULL;
2491 }
2492 #endif
2493
2494 static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
2495     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
2496
2497     JSContextRef context(internal->context_);
2498
2499     size_t count(internal->cif_.nargs);
2500     JSValueRef values[count];
2501
2502     for (size_t index(0); index != count; ++index)
2503         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
2504
2505     JSValueRef value(CYCallAsFunction(context, internal->function_, NULL, count, values));
2506     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
2507 }
2508
2509 #ifdef __OBJC__
2510 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
2511     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
2512
2513     JSContextRef context(internal->context_);
2514
2515     size_t count(internal->cif_.nargs);
2516     JSValueRef values[count];
2517
2518     for (size_t index(0); index != count; ++index)
2519         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
2520
2521     JSObjectRef _this(CYCastJSObject(context, values[0]));
2522
2523     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
2524     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
2525 }
2526 #endif
2527
2528 static Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const char *type, void (*callback)(ffi_cif *, void *, void **, void *)) {
2529     // XXX: in case of exceptions this will leak
2530     // XXX: in point of fact, this may /need/ to leak :(
2531     Closure_privateData *internal(new Closure_privateData(CYGetJSContext(), function, type));
2532
2533     ffi_closure *closure((ffi_closure *) _syscall(mmap(
2534         NULL, sizeof(ffi_closure),
2535         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
2536         -1, 0
2537     )));
2538
2539     ffi_status status(ffi_prep_closure(closure, &internal->cif_, callback, internal));
2540     _assert(status == FFI_OK);
2541
2542     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
2543
2544     internal->value_ = closure;
2545
2546     return internal;
2547 }
2548
2549 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const char *type) {
2550     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &FunctionClosure_));
2551     return JSObjectMake(context, Functor_, internal);
2552 }
2553
2554 static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const char *type) {
2555     JSValueRef exception(NULL);
2556     bool function(JSValueIsInstanceOfConstructor(context, value, Function_, &exception));
2557     CYThrow(context, exception);
2558
2559     if (function) {
2560         JSObjectRef function(CYCastJSObject(context, value));
2561         return CYMakeFunctor(context, function, type);
2562     } else {
2563         void (*function)()(CYCastPointer<void (*)()>(context, value));
2564         return CYMakeFunctor(context, function, type);
2565     }
2566 }
2567
2568 #ifdef __OBJC__
2569 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
2570     Message_privateData *internal(new Message_privateData(sel, type, imp));
2571     return JSObjectMake(context, Message_, internal);
2572 }
2573
2574 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
2575     JSObjectRef function(CYCastJSObject(context, value));
2576     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
2577     return reinterpret_cast<IMP>(internal->GetValue());
2578 }
2579
2580 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2581     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2582     Class _class(internal->GetValue());
2583
2584     CYPool pool;
2585     const char *name(CYPoolCString(pool, property));
2586
2587     if (SEL sel = sel_getUid(name))
2588         if (class_getInstanceMethod(_class, sel) != NULL)
2589             return true;
2590
2591     return false;
2592 }
2593
2594 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2595     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2596     Class _class(internal->GetValue());
2597
2598     CYPool pool;
2599     const char *name(CYPoolCString(pool, property));
2600
2601     if (SEL sel = sel_getUid(name))
2602         if (objc_method *method = class_getInstanceMethod(_class, sel))
2603             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
2604
2605     return NULL;
2606 }
2607
2608 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2609     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2610     Class _class(internal->GetValue());
2611
2612     CYPool pool;
2613     const char *name(CYPoolCString(pool, property));
2614
2615     SEL sel(sel_registerName(name));
2616
2617     objc_method *method(class_getInstanceMethod(_class, sel));
2618
2619     const char *type;
2620     IMP imp;
2621
2622     if (JSValueIsObjectOfClass(context, value, Message_)) {
2623         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
2624         type = sig::Unparse(pool, &message->signature_);
2625         imp = reinterpret_cast<IMP>(message->GetValue());
2626     } else {
2627         type = CYPoolTypeEncoding(pool, _class, sel, method);
2628         imp = CYMakeMessage(context, value, type);
2629     }
2630
2631     if (method != NULL)
2632         method_setImplementation(method, imp);
2633     else
2634         class_replaceMethod(_class, sel, imp, type);
2635
2636     return true;
2637 }
2638
2639 #if !__OBJC2__
2640 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2641     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2642     Class _class(internal->GetValue());
2643
2644     CYPool pool;
2645     const char *name(CYPoolCString(pool, property));
2646
2647     if (SEL sel = sel_getUid(name))
2648         if (objc_method *method = class_getInstanceMethod(_class, sel)) {
2649             objc_method_list list = {NULL, 1, {method}};
2650             class_removeMethods(_class, &list);
2651             return true;
2652         }
2653
2654     return false;
2655 }
2656 #endif
2657
2658 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2659     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2660     Class _class(internal->GetValue());
2661
2662     unsigned int size;
2663     objc_method **data(class_copyMethodList(_class, &size));
2664     for (size_t i(0); i != size; ++i)
2665         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
2666     free(data);
2667 }
2668
2669 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2670     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2671     id self(internal->GetValue());
2672
2673     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
2674         return true;
2675
2676     CYPool pool;
2677     NSString *name(CYCastNSString(pool, property));
2678
2679     if (CYInternal *internal = CYInternal::Get(self))
2680         if (internal->HasProperty(context, property))
2681             return true;
2682
2683     Class _class(object_getClass(self));
2684
2685     CYPoolTry {
2686         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
2687         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
2688             if ([self cy$hasProperty:name])
2689                 return true;
2690     } CYPoolCatch(false)
2691
2692     const char *string(CYPoolCString(pool, name));
2693
2694     if (class_getProperty(_class, string) != NULL)
2695         return true;
2696
2697     if (SEL sel = sel_getUid(string))
2698         if (CYImplements(self, _class, sel, true))
2699             return true;
2700
2701     return false;
2702 }
2703
2704 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2705     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2706     id self(internal->GetValue());
2707
2708     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
2709         return Internal::Make(context, self, object);
2710
2711     CYTry {
2712         CYPool pool;
2713         NSString *name(CYCastNSString(pool, property));
2714
2715         if (CYInternal *internal = CYInternal::Get(self))
2716             if (JSValueRef value = internal->GetProperty(context, property))
2717                 return value;
2718
2719         CYPoolTry {
2720             if (NSObject *data = [self cy$getProperty:name])
2721                 return CYCastJSValue(context, data);
2722         } CYPoolCatch(NULL)
2723
2724         const char *string(CYPoolCString(pool, name));
2725         Class _class(object_getClass(self));
2726
2727 #ifdef __APPLE__
2728         if (objc_property_t property = class_getProperty(_class, string)) {
2729             PropertyAttributes attributes(property);
2730             SEL sel(sel_registerName(attributes.Getter()));
2731             return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
2732         }
2733 #endif
2734
2735         if (SEL sel = sel_getUid(string))
2736             if (CYImplements(self, _class, sel, true))
2737                 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
2738
2739         return NULL;
2740     } CYCatch
2741 }
2742
2743 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2744     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2745     id self(internal->GetValue());
2746
2747     CYPool pool;
2748
2749     CYTry {
2750         NSString *name(CYCastNSString(pool, property));
2751         NSObject *data(CYCastNSObject(pool, context, value));
2752
2753         CYPoolTry {
2754             if ([self cy$setProperty:name to:data])
2755                 return true;
2756         } CYPoolCatch(NULL)
2757
2758         const char *string(CYPoolCString(pool, name));
2759         Class _class(object_getClass(self));
2760
2761 #ifdef __APPLE__
2762         if (objc_property_t property = class_getProperty(_class, string)) {
2763             PropertyAttributes attributes(property);
2764             if (const char *setter = attributes.Setter()) {
2765                 SEL sel(sel_registerName(setter));
2766                 JSValueRef arguments[1] = {value};
2767                 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
2768                 return true;
2769             }
2770         }
2771 #endif
2772
2773         size_t length(strlen(string));
2774
2775         char set[length + 5];
2776
2777         set[0] = 's';
2778         set[1] = 'e';
2779         set[2] = 't';
2780
2781         if (string[0] != '\0') {
2782             set[3] = toupper(string[0]);
2783             memcpy(set + 4, string + 1, length - 1);
2784         }
2785
2786         set[length + 3] = ':';
2787         set[length + 4] = '\0';
2788
2789         if (SEL sel = sel_getUid(set))
2790             if (CYImplements(self, _class, sel, false)) {
2791                 JSValueRef arguments[1] = {value};
2792                 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
2793             }
2794
2795         if (CYInternal *internal = CYInternal::Set(self)) {
2796             internal->SetProperty(context, property, value);
2797             return true;
2798         }
2799
2800         return false;
2801     } CYCatch
2802 }
2803
2804 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2805     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2806     id self(internal->GetValue());
2807
2808     CYTry {
2809         CYPoolTry {
2810             NSString *name(CYCastNSString(NULL, property));
2811             return [self cy$deleteProperty:name];
2812         } CYPoolCatch(NULL)
2813     } CYCatch
2814 }
2815
2816 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2817     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2818     id self(internal->GetValue());
2819
2820     CYPool pool;
2821     Class _class(object_getClass(self));
2822
2823 #ifdef __APPLE__
2824     {
2825         unsigned int size;
2826         objc_property_t *data(class_copyPropertyList(_class, &size));
2827         for (size_t i(0); i != size; ++i)
2828             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
2829         free(data);
2830     }
2831 #endif
2832 }
2833
2834 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2835     CYTry {
2836         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2837         JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
2838         return value;
2839     } CYCatch
2840 }
2841
2842 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) {
2843     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
2844     Class _class(internal->GetValue());
2845     if (!CYIsClass(_class))
2846         return false;
2847
2848     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
2849         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
2850         // XXX: this isn't always safe
2851         CYTry {
2852             return [linternal->GetValue() isKindOfClass:_class];
2853         } CYCatch
2854     }
2855
2856     return false;
2857 }
2858
2859 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2860     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2861     CYPool pool;
2862
2863     id self(internal->GetValue());
2864     const char *name(CYPoolCString(pool, property));
2865
2866     if (object_getInstanceVariable(self, name, NULL) != NULL)
2867         return true;
2868
2869     return false;
2870 }
2871
2872 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2873     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2874     CYPool pool;
2875
2876     CYTry {
2877         id self(internal->GetValue());
2878         const char *name(CYPoolCString(pool, property));
2879
2880         if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
2881             Type_privateData type(pool, ivar_getTypeEncoding(ivar));
2882             return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
2883         }
2884
2885         return NULL;
2886     } CYCatch
2887 }
2888
2889 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2890     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2891     CYPool pool;
2892
2893     CYTry {
2894         id self(internal->GetValue());
2895         const char *name(CYPoolCString(pool, property));
2896
2897         if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
2898             Type_privateData type(pool, ivar_getTypeEncoding(ivar));
2899             CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
2900             return true;
2901         }
2902
2903         return false;
2904     } CYCatch
2905 }
2906
2907 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
2908     if (Class super = class_getSuperclass(_class))
2909         Internal_getPropertyNames_(super, names);
2910
2911     unsigned int size;
2912     Ivar *data(class_copyIvarList(_class, &size));
2913     for (size_t i(0); i != size; ++i)
2914         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
2915     free(data);
2916 }
2917
2918 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2919     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2920     CYPool pool;
2921
2922     id self(internal->GetValue());
2923     Class _class(object_getClass(self));
2924
2925     Internal_getPropertyNames_(_class, names);
2926 }
2927
2928 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2929     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2930     return internal->GetOwner();
2931 }
2932 #endif
2933
2934 static bool Index_(apr_pool_t *pool, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
2935     Type_privateData *typical(internal->type_);
2936     sig::Type *type(typical->type_);
2937     if (type == NULL)
2938         return false;
2939
2940     const char *name(CYPoolCString(pool, property));
2941     size_t length(strlen(name));
2942     double number(CYCastDouble(name, length));
2943
2944     size_t count(type->data.signature.count);
2945
2946     if (std::isnan(number)) {
2947         if (property == NULL)
2948             return false;
2949
2950         sig::Element *elements(type->data.signature.elements);
2951
2952         for (size_t local(0); local != count; ++local) {
2953             sig::Element *element(&elements[local]);
2954             if (element->name != NULL && strcmp(name, element->name) == 0) {
2955                 index = local;
2956                 goto base;
2957             }
2958         }
2959
2960         return false;
2961     } else {
2962         index = static_cast<ssize_t>(number);
2963         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
2964             return false;
2965     }
2966
2967   base:
2968     ffi_type **elements(typical->GetFFI()->elements);
2969
2970     base = reinterpret_cast<uint8_t *>(internal->value_);
2971     for (ssize_t local(0); local != index; ++local)
2972         base += elements[local]->size;
2973
2974     return true;
2975 }
2976
2977 static JSValueRef Pointer_getIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef *exception) {
2978     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2979     Type_privateData *typical(internal->type_);
2980
2981     ffi_type *ffi(typical->GetFFI());
2982
2983     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
2984     base += ffi->size * index;
2985
2986     JSObjectRef owner(internal->GetOwner() ?: object);
2987
2988     CYTry {
2989         return CYFromFFI(context, typical->type_, ffi, base, false, owner);
2990     } CYCatch
2991 }
2992
2993 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2994     CYPool pool;
2995     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2996     Type_privateData *typical(internal->type_);
2997
2998     if (typical->type_ == NULL)
2999         return NULL;
3000
3001     ssize_t offset;
3002     if (!CYGetOffset(pool, property, offset))
3003         return NULL;
3004
3005     return Pointer_getIndex(context, object, offset, exception);
3006 }
3007
3008 static JSValueRef Pointer_getProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3009     return Pointer_getIndex(context, object, 0, exception);
3010 }
3011
3012 static bool Pointer_setIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value, JSValueRef *exception) {
3013     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
3014     Type_privateData *typical(internal->type_);
3015
3016     ffi_type *ffi(typical->GetFFI());
3017
3018     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
3019     base += ffi->size * index;
3020
3021     CYTry {
3022         CYPoolFFI(NULL, context, typical->type_, ffi, base, value);
3023         return true;
3024     } CYCatch
3025 }
3026
3027 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
3028     CYPool pool;
3029     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
3030     Type_privateData *typical(internal->type_);
3031
3032     if (typical->type_ == NULL)
3033         return NULL;
3034
3035     ssize_t offset;
3036     if (!CYGetOffset(pool, property, offset))
3037         return NULL;
3038
3039     return Pointer_setIndex(context, object, offset, value, exception);
3040 }
3041
3042 static bool Pointer_setProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
3043     return Pointer_setIndex(context, object, 0, value, exception);
3044 }
3045
3046 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3047     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
3048     Type_privateData *typical(internal->type_);
3049     return CYMakePointer(context, internal->value_, typical->type_, typical->ffi_, _this);
3050 }
3051
3052 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3053     CYPool pool;
3054     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
3055     Type_privateData *typical(internal->type_);
3056
3057     ssize_t index;
3058     uint8_t *base;
3059
3060     CYTry {
3061         if (!Index_(pool, internal, property, index, base))
3062             return NULL;
3063
3064         JSObjectRef owner(internal->GetOwner() ?: object);
3065
3066         return CYFromFFI(context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, false, owner);
3067     } CYCatch
3068 }
3069
3070 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
3071     CYPool pool;
3072     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
3073     Type_privateData *typical(internal->type_);
3074
3075     ssize_t index;
3076     uint8_t *base;
3077
3078     CYTry {
3079         if (!Index_(pool, internal, property, index, base))
3080             return false;
3081
3082         CYPoolFFI(NULL, context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, value);
3083         return true;
3084     } CYCatch
3085 }
3086
3087 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3088     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
3089     Type_privateData *typical(internal->type_);
3090     sig::Type *type(typical->type_);
3091
3092     if (type == NULL)
3093         return;
3094
3095     size_t count(type->data.signature.count);
3096     sig::Element *elements(type->data.signature.elements);
3097
3098     char number[32];
3099
3100     for (size_t index(0); index != count; ++index) {
3101         const char *name;
3102         name = elements[index].name;
3103
3104         if (name == NULL) {
3105             sprintf(number, "%lu", index);
3106             name = number;
3107         }
3108
3109         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
3110     }
3111 }
3112
3113 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)()) {
3114     CYTry {
3115         if (setups + count != signature->count - 1)
3116             _throw(NSInvalidArgumentException, "incorrect number of arguments to ffi function");
3117
3118         size_t size(setups + count);
3119         void *values[size];
3120         memcpy(values, setup, sizeof(void *) * setups);
3121
3122         for (size_t index(setups); index != size; ++index) {
3123             sig::Element *element(&signature->elements[index + 1]);
3124             ffi_type *ffi(cif->arg_types[index]);
3125             // XXX: alignment?
3126             values[index] = new(pool) uint8_t[ffi->size];
3127             CYPoolFFI(pool, context, element->type, ffi, values[index], arguments[index - setups]);
3128         }
3129
3130         uint8_t value[cif->rtype->size];
3131         ffi_call(cif, function, value, values);
3132
3133         return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize);
3134     } CYCatch
3135 }
3136
3137 #ifdef __OBJC__
3138 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3139     CYTry {
3140         CYPool pool;
3141         NSString *name(CYCastNSString(pool, property));
3142         if (Class _class = NSClassFromString(name))
3143             return CYMakeInstance(context, _class, true);
3144         return NULL;
3145     } CYCatch
3146 }
3147
3148 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3149     size_t size(objc_getClassList(NULL, 0));
3150     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
3151
3152   get:
3153     size_t writ(objc_getClassList(data, size));
3154     if (size < writ) {
3155         size = writ;
3156         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
3157             data = copy;
3158             goto get;
3159         } else goto done;
3160     }
3161
3162     for (size_t i(0); i != writ; ++i)
3163         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
3164
3165   done:
3166     free(data);
3167 }
3168
3169 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3170     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
3171
3172     CYTry {
3173         CYPool pool;
3174         const char *name(CYPoolCString(pool, property));
3175         unsigned int size;
3176         const char **data(objc_copyClassNamesForImage(internal, &size));
3177         JSValueRef value;
3178         for (size_t i(0); i != size; ++i)
3179             if (strcmp(name, data[i]) == 0) {
3180                 if (Class _class = objc_getClass(name)) {
3181                     value = CYMakeInstance(context, _class, true);
3182                     goto free;
3183                 } else
3184                     break;
3185             }
3186         value = NULL;
3187       free:
3188         free(data);
3189         return value;
3190     } CYCatch
3191 }
3192
3193 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3194     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
3195     unsigned int size;
3196     const char **data(objc_copyClassNamesForImage(internal, &size));
3197     for (size_t i(0); i != size; ++i)
3198         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
3199     free(data);
3200 }
3201
3202 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3203     CYTry {
3204         CYPool pool;
3205         const char *name(CYPoolCString(pool, property));
3206         unsigned int size;
3207         const char **data(objc_copyImageNames(&size));
3208         for (size_t i(0); i != size; ++i)
3209             if (strcmp(name, data[i]) == 0) {
3210                 name = data[i];
3211                 goto free;
3212             }
3213         name = NULL;
3214       free:
3215         free(data);
3216         if (name == NULL)
3217             return NULL;
3218         JSObjectRef value(JSObjectMake(context, NULL, NULL));
3219         CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
3220         return value;
3221     } CYCatch
3222 }
3223
3224 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3225     unsigned int size;
3226     const char **data(objc_copyImageNames(&size));
3227     for (size_t i(0); i != size; ++i)
3228         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
3229     free(data);
3230 }
3231
3232 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3233     CYTry {
3234         CYPool pool;
3235         NSString *name(CYCastNSString(pool, property));
3236         if (Protocol *protocol = NSProtocolFromString(name))
3237             return CYMakeInstance(context, protocol, true);
3238         return NULL;
3239     } CYCatch
3240 }
3241
3242 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3243     unsigned int size;
3244     Protocol **data(objc_copyProtocolList(&size));
3245     for (size_t i(0); i != size; ++i)
3246         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
3247     free(data);
3248 }
3249 #endif
3250
3251 static JSObjectRef CYMakeType(JSContextRef context, const char *type) {
3252     Type_privateData *internal(new Type_privateData(NULL, type));
3253     return JSObjectMake(context, Type_privateData::Class_, internal);
3254 }
3255
3256 static JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) {
3257     Type_privateData *internal(new Type_privateData(type));
3258     return JSObjectMake(context, Type_privateData::Class_, internal);
3259 }
3260
3261 static void *CYCastSymbol(const char *name) {
3262     return dlsym(RTLD_DEFAULT, name);
3263 }
3264
3265 static JSValueRef Runtime_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3266 #ifdef __OBJC__
3267     if (JSStringIsEqualToUTF8CString(property, "nil"))
3268         return Instance::Make(context, nil);
3269 #endif
3270
3271     CYTry {
3272         CYPool pool;
3273         const char *name(CYPoolCString(pool, property));
3274
3275 #ifdef __OBJC__
3276         if (Class _class = objc_getClass(name))
3277             return CYMakeInstance(context, _class, true);
3278 #endif
3279
3280         sqlite3_stmt *statement;
3281
3282         _sqlcall(sqlite3_prepare(Bridge_,
3283             "select "
3284                 "\"bridge\".\"mode\", "
3285                 "\"bridge\".\"value\" "
3286             "from \"bridge\" "
3287             "where"
3288                 " \"bridge\".\"name\" = ?"
3289             " limit 1"
3290         , -1, &statement, NULL));
3291
3292         _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
3293
3294         int mode;
3295         const char *value;
3296
3297         if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
3298             mode = -1;
3299             value = NULL;
3300         } else {
3301             mode = sqlite3_column_int(statement, 0);
3302             value = sqlite3_column_pooled(pool, statement, 1);
3303         }
3304
3305         _sqlcall(sqlite3_finalize(statement));
3306
3307         switch (mode) {
3308             default:
3309                 _assert(false);
3310             case -1:
3311                 return NULL;
3312
3313             case 0:
3314                 return JSEvaluateScript(CYGetJSContext(), CYJSString(value), NULL, NULL, 0, NULL);
3315             case 1:
3316                 return CYMakeFunctor(context, reinterpret_cast<void (*)()>(CYCastSymbol(name)), value);
3317
3318             case 2: {
3319                 // XXX: this is horrendously inefficient
3320                 sig::Signature signature;
3321                 sig::Parse(pool, &signature, value, &Structor_);
3322                 ffi_cif cif;
3323                 sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
3324                 return CYFromFFI(context, signature.elements[0].type, cif.rtype, CYCastSymbol(name));
3325             }
3326
3327             // XXX: implement case 3
3328             case 4:
3329                 return CYMakeType(context, value);
3330         }
3331     } CYCatch
3332 }
3333
3334 #ifdef __OBJC__
3335 static bool stret(ffi_type *ffi_type) {
3336     return ffi_type->type == FFI_TYPE_STRUCT && (
3337         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
3338         struct_forward_array[ffi_type->size] != 0
3339     );
3340 }
3341 #endif
3342
3343 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3344     CYTry {
3345         if (count == 0)
3346             printf("\n");
3347         else
3348             printf("%s\n", CYCastCString(context, arguments[0]));
3349         return CYJSUndefined(context);
3350     } CYCatch
3351 }
3352
3353 #ifdef __OBJC__
3354 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class _class, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception) {
3355     const char *type;
3356
3357     if (_class == NULL)
3358         _class = object_getClass(self);
3359
3360     if (objc_method *method = class_getInstanceMethod(_class, _cmd))
3361         type = method_getTypeEncoding(method);
3362     else {
3363         CYTry {
3364             CYPoolTry {
3365                 NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
3366                 if (method == nil)
3367                     _throw(NSInvalidArgumentException, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
3368                 type = CYPoolCString(pool, [method _typeString]);
3369             } CYPoolCatch(NULL)
3370         } CYCatch
3371     }
3372
3373     objc_super super = {self, _class};
3374     void *arg0 = &super;
3375
3376     void *setup[2];
3377     setup[0] = &arg0;
3378     setup[1] = &_cmd;
3379
3380     sig::Signature signature;
3381     sig::Parse(pool, &signature, type, &Structor_);
3382
3383     ffi_cif cif;
3384     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
3385
3386     void (*function)() = stret(cif.rtype) ? reinterpret_cast<void (*)()>(&objc_msgSendSuper_stret) : reinterpret_cast<void (*)()>(&objc_msgSendSuper);
3387     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
3388 }
3389 #endif
3390
3391 static size_t Nonce_(0);
3392
3393 static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3394     char name[16];
3395     sprintf(name, "%s%zu", CYCastCString(context, arguments[0]), Nonce_++);
3396     return CYCastJSValue(context, name);
3397 }
3398
3399 #ifdef __OBJC__
3400 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3401     CYPool pool;
3402
3403     bool uninitialized;
3404
3405     id self;
3406     SEL _cmd;
3407     Class _class;
3408
3409     CYTry {
3410         if (count < 2)
3411             _throw(NSInvalidArgumentException, "too few arguments to objc_msgSend");
3412
3413         if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
3414             cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
3415             self = internal->GetValue();
3416             _class = internal->class_;;
3417             uninitialized = false;
3418         } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
3419             Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
3420             self = internal->GetValue();
3421             _class = nil;
3422             uninitialized = internal->IsUninitialized();
3423             if (uninitialized)
3424                 internal->value_ = nil;
3425         } else {
3426             self = CYCastNSObject(pool, context, arguments[0]);
3427             _class = nil;
3428             uninitialized = false;
3429         }
3430
3431         if (self == nil)
3432             return CYJSNull(context);
3433
3434         _cmd = CYCastSEL(context, arguments[1]);
3435     } CYCatch
3436
3437     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
3438 }
3439 #endif
3440
3441 #ifdef __OBJC__
3442 /* Hook: objc_registerClassPair {{{ */
3443 // XXX: replace this with associated objects
3444
3445 MSHook(void, CYDealloc, id self, SEL sel) {
3446     CYInternal *internal;
3447     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
3448     if (internal != NULL)
3449         delete internal;
3450     _CYDealloc(self, sel);
3451 }
3452
3453 MSHook(void, objc_registerClassPair, Class _class) {
3454     Class super(class_getSuperclass(_class));
3455     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
3456         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
3457         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
3458     }
3459
3460     _objc_registerClassPair(_class);
3461 }
3462
3463 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3464     CYTry {
3465         if (count != 1)
3466             _throw(NSInvalidArgumentException, "incorrect number of arguments to objc_registerClassPair");
3467         CYPool pool;
3468         NSObject *value(CYCastNSObject(pool, context, arguments[0]));
3469         if (value == NULL || !CYIsClass(value))
3470             _throw(NSInvalidArgumentException, "incorrect number of arguments to objc_registerClassPair");
3471         Class _class((Class) value);
3472         $objc_registerClassPair(_class);
3473         return CYJSUndefined(context);
3474     } CYCatch
3475 }
3476 /* }}} */
3477 #endif
3478
3479 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3480     JSGarbageCollect(context);
3481     return CYJSUndefined(context);
3482 }
3483
3484 #ifdef __OBJC__
3485 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3486     JSValueRef setup[count + 2];
3487     setup[0] = _this;
3488     setup[1] = object;
3489     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
3490     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
3491 }
3492
3493 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3494     CYPool pool;
3495     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
3496
3497     // XXX: handle Instance::Uninitialized?
3498     id self(CYCastNSObject(pool, context, _this));
3499
3500     void *setup[2];
3501     setup[0] = &self;
3502     setup[1] = &internal->sel_;
3503
3504     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
3505 }
3506 #endif
3507
3508 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3509     CYPool pool;
3510     Functor_privateData *internal(reinterpret_cast<Functor_privateData *>(JSObjectGetPrivate(object)));
3511     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
3512 }
3513
3514 #ifdef __OBJC__
3515 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3516     CYTry {
3517         if (count != 2)
3518             _throw(NSInvalidArgumentException, "incorrect number of arguments to Super constructor");
3519         CYPool pool;
3520         id self(CYCastNSObject(pool, context, arguments[0]));
3521         Class _class(CYCastClass(pool, context, arguments[1]));
3522         return cy::Super::Make(context, self, _class);
3523     } CYCatch
3524 }
3525
3526 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3527     CYTry {
3528         if (count != 1)
3529             _throw(NSInvalidArgumentException, "incorrect number of arguments to Selector constructor");
3530         const char *name(CYCastCString(context, arguments[0]));
3531         return CYMakeSelector(context, sel_registerName(name));
3532     } CYCatch
3533 }
3534 #endif
3535
3536 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3537     CYTry {
3538         if (count != 2)
3539             _throw(NSInvalidArgumentException, "incorrect number of arguments to Functor constructor");
3540
3541         void *value(CYCastPointer<void *>(context, arguments[0]));
3542         const char *type(CYCastCString(context, arguments[1]));
3543
3544         CYPool pool;
3545
3546         sig::Signature signature;
3547         sig::Parse(pool, &signature, type, &Structor_);
3548
3549         return CYMakePointer(context, value, signature.elements[0].type, NULL, NULL);
3550     } CYCatch
3551 }
3552
3553 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3554     CYTry {
3555         if (count != 1)
3556             _throw(NSInvalidArgumentException, "incorrect number of arguments to Type constructor");
3557         const char *type(CYCastCString(context, arguments[0]));
3558         return CYMakeType(context, type);
3559     } CYCatch
3560 }
3561
3562 static JSValueRef Type_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3563     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3564
3565     CYTry {
3566         sig::Type type;
3567
3568         if (JSStringIsEqualToUTF8CString(property, "$cyi")) {
3569             type.primitive = sig::pointer_P;
3570             type.data.data.size = 0;
3571         } else {
3572             CYPool pool;
3573             size_t index(CYGetIndex(pool, property));
3574             if (index == _not(size_t))
3575                 return NULL;
3576             type.primitive = sig::array_P;
3577             type.data.data.size = index;
3578         }
3579
3580         type.name = NULL;
3581         type.flags = 0;
3582
3583         type.data.data.type = internal->type_;
3584
3585         return CYMakeType(context, &type);
3586     } CYCatch
3587 }
3588
3589 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3590     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3591
3592     CYTry {
3593         if (count != 1)
3594             _throw(NSInvalidArgumentException, "incorrect number of arguments to type cast function");
3595         sig::Type *type(internal->type_);
3596         ffi_type *ffi(internal->GetFFI());
3597         // XXX: alignment?
3598         uint8_t value[ffi->size];
3599         CYPool pool;
3600         CYPoolFFI(pool, context, type, ffi, value, arguments[0]);
3601         return CYFromFFI(context, type, ffi, value);
3602     } CYCatch
3603 }
3604
3605 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3606     CYTry {
3607         if (count != 0)
3608             _throw(NSInvalidArgumentException, "incorrect number of arguments to type cast function");
3609         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3610
3611         sig::Type *type(internal->type_);
3612         size_t size;
3613
3614         if (type->primitive != sig::array_P)
3615             size = 0;
3616         else {
3617             size = type->data.data.size;
3618             type = type->data.data.type;
3619         }
3620
3621         void *value(malloc(internal->GetFFI()->size));
3622         return CYMakePointer(context, value, type, NULL, NULL);
3623     } CYCatch
3624 }
3625
3626 #ifdef __OBJC__
3627 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3628     CYTry {
3629         if (count > 1)
3630             _throw(NSInvalidArgumentException, "incorrect number of arguments to Instance constructor");
3631         id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
3632         return Instance::Make(context, self);
3633     } CYCatch
3634 }
3635 #endif
3636
3637 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3638     CYTry {
3639         if (count != 2)
3640             _throw(NSInvalidArgumentException, "incorrect number of arguments to Functor constructor");
3641         const char *type(CYCastCString(context, arguments[1]));
3642         return CYMakeFunctor(context, arguments[0], type);
3643     } CYCatch
3644 }
3645
3646 #ifdef __OBJC__
3647 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3648     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
3649     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
3650 }
3651
3652 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3653     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3654     Type_privateData *typical(internal->GetType());
3655
3656     sig::Type *type;
3657     ffi_type *ffi;
3658
3659     if (typical == NULL) {
3660         type = NULL;
3661         ffi = NULL;
3662     } else {
3663         type = typical->type_;
3664         ffi = typical->ffi_;
3665     }
3666
3667     return CYMakePointer(context, &internal->value_, type, ffi, object);
3668 }
3669 #endif
3670
3671 static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3672     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3673
3674     CYTry {
3675         return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
3676     } CYCatch
3677 }
3678
3679 static JSValueRef CYValue_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3680     return CYValue_callAsFunction_valueOf(context, object, _this, count, arguments, exception);
3681 }
3682
3683 static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3684     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3685     char string[32];
3686     sprintf(string, "%p", internal->value_);
3687
3688     CYTry {
3689         return CYCastJSValue(context, string);
3690     } CYCatch
3691 }
3692
3693 #ifdef __OBJC__
3694 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3695     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3696     return Instance::Make(context, object_getClass(internal->GetValue()));
3697 }
3698
3699 static JSValueRef Instance_getProperty_protocol(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3700     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3701     id self(internal->GetValue());
3702     if (!CYIsClass(self))
3703         return CYJSUndefined(context);
3704     CYTry {
3705         return CYGetClassPrototype(context, self);
3706     } CYCatch
3707 }
3708
3709 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3710     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3711     id self(internal->GetValue());
3712     if (class_getInstanceMethod(object_getClass(self), @selector(alloc)) == NULL)
3713         return CYJSUndefined(context);
3714     return Messages::Make(context, self);
3715 }
3716
3717 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3718     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3719         return NULL;
3720
3721     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3722
3723     CYTry {
3724         CYPoolTry {
3725             return CYCastJSValue(context, CYJSString(CYCastNSCYON(internal->GetValue())));
3726         } CYPoolCatch(NULL)
3727     } CYCatch
3728 }
3729
3730 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3731     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3732         return NULL;
3733
3734     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3735
3736     CYTry {
3737         CYPoolTry {
3738             NSString *key(count == 0 ? nil : CYCastNSString(NULL, CYJSString(context, arguments[0])));
3739             // XXX: check for support of cy$toJSON?
3740             return CYCastJSValue(context, CYJSString([internal->GetValue() cy$toJSON:key]));
3741         } CYPoolCatch(NULL)
3742     } CYCatch
3743 }
3744
3745 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3746     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3747         return NULL;
3748
3749     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3750
3751     CYTry {
3752         CYPoolTry {
3753             return CYCastJSValue(context, CYJSString([internal->GetValue() description]));
3754         } CYPoolCatch(NULL)
3755     } CYCatch
3756 }
3757
3758 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3759     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3760
3761     CYTry {
3762         return CYCastJSValue(context, sel_getName(internal->GetValue()));
3763     } CYCatch
3764 }
3765
3766 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3767     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
3768 }
3769
3770 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3771     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3772     const char *name(sel_getName(internal->GetValue()));
3773
3774     CYTry {
3775         CYPoolTry {
3776             return CYCastJSValue(context, CYJSString([NSString stringWithFormat:@"@selector(%s)", name]));
3777         } CYPoolCatch(NULL)
3778     } CYCatch
3779 }
3780
3781 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3782     CYTry {
3783         if (count != 1)
3784             _throw(NSInvalidArgumentException, "incorrect number of arguments to Selector.type");
3785         CYPool pool;
3786         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3787         if (Class _class = CYCastClass(pool, context, arguments[0])) {
3788             SEL sel(internal->GetValue());
3789             if (objc_method *method = class_getInstanceMethod(_class, sel))
3790                 if (const char *type = CYPoolTypeEncoding(pool, _class, sel, method))
3791                     return CYCastJSValue(context, CYJSString(type));
3792         }
3793
3794         // XXX: do a lookup of some kind
3795         return CYJSNull(context);
3796     } CYCatch
3797 }
3798 #endif
3799
3800 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3801     CYTry {
3802         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
3803         CYPool pool;
3804         const char *type(sig::Unparse(pool, internal->type_));
3805         return CYCastJSValue(context, CYJSString(type));
3806     } CYCatch
3807 }
3808
3809 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3810     CYTry {
3811         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
3812         CYPool pool;
3813         const char *type(sig::Unparse(pool, internal->type_));
3814         size_t size(strlen(type));
3815         char *cyon(new(pool) char[12 + size + 1]);
3816         memcpy(cyon, "new Type(\"", 10);
3817         cyon[12 + size] = '\0';
3818         cyon[12 + size - 2] = '"';
3819         cyon[12 + size - 1] = ')';
3820         memcpy(cyon + 10, type, size);
3821         return CYCastJSValue(context, CYJSString(cyon));
3822     } CYCatch
3823 }
3824
3825 static JSValueRef Type_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3826     return Type_callAsFunction_toString(context, object, _this, count, arguments, exception);
3827 }
3828
3829 #ifdef __OBJC__
3830 static JSStaticValue Selector_staticValues[2] = {
3831     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
3832     {NULL, NULL, NULL, 0}
3833 };
3834 #endif
3835
3836 static JSStaticValue Pointer_staticValues[2] = {
3837     {"$cyi", &Pointer_getProperty_$cyi, &Pointer_setProperty_$cyi, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3838     {NULL, NULL, NULL, 0}
3839 };
3840
3841 static JSStaticFunction Pointer_staticFunctions[4] = {
3842     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3843     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3844     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3845     {NULL, NULL, 0}
3846 };
3847
3848 static JSStaticFunction Struct_staticFunctions[2] = {
3849     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3850     {NULL, NULL, 0}
3851 };
3852
3853 static JSStaticFunction Functor_staticFunctions[4] = {
3854     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3855     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3856     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3857     {NULL, NULL, 0}
3858 };
3859
3860 #ifdef __OBJC__
3861 static JSStaticValue Instance_staticValues[5] = {
3862     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3863     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3864     {"prototype", &Instance_getProperty_protocol, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3865     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3866     {NULL, NULL, NULL, 0}
3867 };
3868
3869 static JSStaticFunction Instance_staticFunctions[5] = {
3870     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3871     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3872     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3873     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3874     {NULL, NULL, 0}
3875 };
3876
3877 static JSStaticFunction Internal_staticFunctions[2] = {
3878     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3879     {NULL, NULL, 0}
3880 };
3881
3882 static JSStaticFunction Selector_staticFunctions[5] = {
3883     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3884     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3885     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3886     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3887     {NULL, NULL, 0}
3888 };
3889 #endif
3890
3891 static JSStaticFunction Type_staticFunctions[4] = {
3892     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3893     {"toJSON", &Type_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3894     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3895     {NULL, NULL, 0}
3896 };
3897
3898 void CYSetArgs(int argc, const char *argv[]) {
3899     JSContextRef context(CYGetJSContext());
3900     JSValueRef args[argc];
3901     for (int i(0); i != argc; ++i)
3902         args[i] = CYCastJSValue(context, argv[i]);
3903     JSValueRef exception(NULL);
3904     JSObjectRef array(JSObjectMakeArray(context, argc, args, &exception));
3905     CYThrow(context, exception);
3906     CYSetProperty(context, System_, CYJSString("args"), array);
3907 }
3908
3909 JSObjectRef CYGetGlobalObject(JSContextRef context) {
3910     return JSContextGetGlobalObject(context);
3911 }
3912
3913 const char *CYExecute(apr_pool_t *pool, const char *code) {
3914     JSContextRef context(CYGetJSContext());
3915     JSValueRef exception(NULL), result;
3916
3917     const char *json;
3918
3919     CYPoolTry {
3920         try {
3921             result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception);
3922         } catch (const char *error) {
3923             return error;
3924         }
3925
3926         if (exception != NULL) { error:
3927             result = exception;
3928             exception = NULL;
3929         }
3930
3931         if (JSValueIsUndefined(context, result))
3932             return NULL;
3933
3934         try {
3935             json = CYPoolCCYON(pool, context, result, &exception);
3936         } catch (const char *error) {
3937             return error;
3938         }
3939
3940         if (exception != NULL)
3941             goto error;
3942     } CYPoolCatch(NULL)
3943
3944     CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
3945     return json;
3946 }
3947
3948 static apr_pool_t *Pool_;
3949
3950 apr_pool_t *CYGetGlobalPool() {
3951     return Pool_;
3952 }
3953
3954 MSInitialize {
3955     _aprcall(apr_initialize());
3956     _aprcall(apr_pool_create(&Pool_, NULL));
3957
3958     _sqlcall(sqlite3_open("/usr/lib/libcycript.db", &Bridge_));
3959
3960 #ifdef __OBJC__
3961     Type_privateData::Object = new(Pool_) Type_privateData(Pool_, "@");
3962     Type_privateData::Selector = new(Pool_) Type_privateData(Pool_, ":");
3963
3964 #ifdef __APPLE__
3965     NSCFBoolean_ = objc_getClass("NSCFBoolean");
3966     NSCFType_ = objc_getClass("NSCFType");
3967 #endif
3968
3969     NSArray_ = objc_getClass("NSArray");
3970     NSDictionary_ = objc_getClass("NSDictonary");
3971     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
3972     NSZombie_ = objc_getClass("_NSZombie_");
3973     Object_ = objc_getClass("Object");
3974 #endif
3975 }
3976
3977 JSGlobalContextRef CYGetJSContext() {
3978     if (Context_ == NULL) {
3979         JSClassDefinition definition;
3980
3981         definition = kJSClassDefinitionEmpty;
3982         definition.className = "Functor";
3983         definition.staticFunctions = Functor_staticFunctions;
3984         definition.callAsFunction = &Functor_callAsFunction;
3985         definition.finalize = &Finalize;
3986         Functor_ = JSClassCreate(&definition);
3987
3988         definition = kJSClassDefinitionEmpty;
3989         definition.className = "Pointer";
3990         definition.staticValues = Pointer_staticValues;
3991         definition.staticFunctions = Pointer_staticFunctions;
3992         definition.getProperty = &Pointer_getProperty;
3993         definition.setProperty = &Pointer_setProperty;
3994         definition.finalize = &Finalize;
3995         Pointer_ = JSClassCreate(&definition);
3996
3997         definition = kJSClassDefinitionEmpty;
3998         definition.className = "Struct";
3999         definition.staticFunctions = Struct_staticFunctions;
4000         definition.getProperty = &Struct_getProperty;
4001         definition.setProperty = &Struct_setProperty;
4002         definition.getPropertyNames = &Struct_getPropertyNames;
4003         definition.finalize = &Finalize;
4004         Struct_ = JSClassCreate(&definition);
4005
4006         definition = kJSClassDefinitionEmpty;
4007         definition.className = "Type";
4008         definition.staticFunctions = Type_staticFunctions;
4009         definition.getProperty = &Type_getProperty;
4010         definition.callAsFunction = &Type_callAsFunction;
4011         definition.callAsConstructor = &Type_callAsConstructor;
4012         definition.finalize = &Finalize;
4013         Type_privateData::Class_ = JSClassCreate(&definition);
4014
4015         definition = kJSClassDefinitionEmpty;
4016         definition.className = "Runtime";
4017         definition.getProperty = &Runtime_getProperty;
4018         Runtime_ = JSClassCreate(&definition);
4019
4020         definition = kJSClassDefinitionEmpty;
4021         //definition.getProperty = &Global_getProperty;
4022         JSClassRef Global(JSClassCreate(&definition));
4023
4024         JSGlobalContextRef context(JSGlobalContextCreate(Global));
4025         Context_ = context;
4026         JSObjectRef global(CYGetGlobalObject(context));
4027
4028         JSObjectSetPrototype(context, global, JSObjectMake(context, Runtime_, NULL));
4029
4030         Array_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array")));
4031         JSValueProtect(context, Array_);
4032
4033         Function_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function")));
4034         JSValueProtect(context, Function_);
4035
4036         String_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String")));
4037         JSValueProtect(context, String_);
4038
4039         length_ = JSStringCreateWithUTF8CString("length");
4040         message_ = JSStringCreateWithUTF8CString("message");
4041         name_ = JSStringCreateWithUTF8CString("name");
4042         prototype_ = JSStringCreateWithUTF8CString("prototype");
4043         toCYON_ = JSStringCreateWithUTF8CString("toCYON");
4044         toJSON_ = JSStringCreateWithUTF8CString("toJSON");
4045
4046         JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
4047         Object_prototype_ = CYCastJSObject(context, CYGetProperty(context, Object, prototype_));
4048         JSValueProtect(context, Object_prototype_);
4049
4050         Array_prototype_ = CYCastJSObject(context, CYGetProperty(context, Array_, prototype_));
4051         Array_pop_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("pop")));
4052         Array_push_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("push")));
4053         Array_splice_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("splice")));
4054
4055         CYSetProperty(context, Array_prototype_, toCYON_, JSObjectMakeFunctionWithCallback(context, toCYON_, &Array_callAsFunction_toCYON), kJSPropertyAttributeDontEnum);
4056
4057         JSValueProtect(context, Array_prototype_);
4058         JSValueProtect(context, Array_pop_);
4059         JSValueProtect(context, Array_push_);
4060         JSValueProtect(context, Array_splice_);
4061
4062         JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new));
4063
4064         JSValueRef function(CYGetProperty(context, Function_, prototype_));
4065
4066 /* Objective-C Classes {{{ */
4067 #ifdef __OBJC__
4068         definition = kJSClassDefinitionEmpty;
4069         definition.className = "Instance";
4070         definition.staticValues = Instance_staticValues;
4071         definition.staticFunctions = Instance_staticFunctions;
4072         definition.hasProperty = &Instance_hasProperty;
4073         definition.getProperty = &Instance_getProperty;
4074         definition.setProperty = &Instance_setProperty;
4075         definition.deleteProperty = &Instance_deleteProperty;
4076         definition.getPropertyNames = &Instance_getPropertyNames;
4077         definition.callAsConstructor = &Instance_callAsConstructor;
4078         definition.hasInstance = &Instance_hasInstance;
4079         definition.finalize = &Finalize;
4080         Instance_ = JSClassCreate(&definition);
4081
4082         definition = kJSClassDefinitionEmpty;
4083         definition.className = "Internal";
4084         definition.staticFunctions = Internal_staticFunctions;
4085         definition.hasProperty = &Internal_hasProperty;
4086         definition.getProperty = &Internal_getProperty;
4087         definition.setProperty = &Internal_setProperty;
4088         definition.getPropertyNames = &Internal_getPropertyNames;
4089         definition.finalize = &Finalize;
4090         Internal_ = JSClassCreate(&definition);
4091
4092         definition = kJSClassDefinitionEmpty;
4093         definition.className = "Message";
4094         definition.staticFunctions = Functor_staticFunctions;
4095         definition.callAsFunction = &Message_callAsFunction;
4096         definition.finalize = &Finalize;
4097         Message_ = JSClassCreate(&definition);
4098
4099         definition = kJSClassDefinitionEmpty;
4100         definition.className = "Messages";
4101         definition.hasProperty = &Messages_hasProperty;
4102         definition.getProperty = &Messages_getProperty;
4103         definition.setProperty = &Messages_setProperty;
4104 #if !__OBJC2__
4105         definition.deleteProperty = &Messages_deleteProperty;
4106 #endif
4107         definition.getPropertyNames = &Messages_getPropertyNames;
4108         definition.finalize = &Finalize;
4109         Messages_ = JSClassCreate(&definition);
4110
4111         definition = kJSClassDefinitionEmpty;
4112         definition.className = "Selector";
4113         definition.staticValues = Selector_staticValues;
4114         definition.staticFunctions = Selector_staticFunctions;
4115         definition.callAsFunction = &Selector_callAsFunction;
4116         definition.finalize = &Finalize;
4117         Selector_ = JSClassCreate(&definition);
4118
4119         definition = kJSClassDefinitionEmpty;
4120         definition.className = "Super";
4121         definition.staticFunctions = Internal_staticFunctions;
4122         definition.finalize = &Finalize;
4123         Super_ = JSClassCreate(&definition);
4124
4125         definition = kJSClassDefinitionEmpty;
4126         definition.className = "ObjectiveC::Classes";
4127         definition.getProperty = &ObjectiveC_Classes_getProperty;
4128         definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
4129         ObjectiveC_Classes_ = JSClassCreate(&definition);
4130
4131         definition = kJSClassDefinitionEmpty;
4132         definition.className = "ObjectiveC::Images";
4133         definition.getProperty = &ObjectiveC_Images_getProperty;
4134         definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
4135         ObjectiveC_Images_ = JSClassCreate(&definition);
4136
4137         definition = kJSClassDefinitionEmpty;
4138         definition.className = "ObjectiveC::Image::Classes";
4139         definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
4140         definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
4141         ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
4142
4143         definition = kJSClassDefinitionEmpty;
4144         definition.className = "ObjectiveC::Protocols";
4145         definition.getProperty = &ObjectiveC_Protocols_getProperty;
4146         definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
4147         ObjectiveC_Protocols_ = JSClassCreate(&definition);
4148
4149         JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
4150         CYSetProperty(context, global, CYJSString("ObjectiveC"), ObjectiveC);
4151
4152         CYSetProperty(context, ObjectiveC, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
4153         CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
4154         CYSetProperty(context, ObjectiveC, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
4155
4156         JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
4157         JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
4158         JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
4159         JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
4160
4161         Instance_prototype_ = (JSObjectRef) CYGetProperty(context, Instance, prototype_);
4162         JSValueProtect(context, Instance_prototype_);
4163
4164         CYSetProperty(context, global, CYJSString("Instance"), Instance);
4165         CYSetProperty(context, global, CYJSString("Selector"), Selector);
4166         CYSetProperty(context, global, CYJSString("Super"), Super);
4167
4168         CYSetProperty(context, global, CYJSString("objc_registerClassPair"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_registerClassPair"), &objc_registerClassPair_));
4169         CYSetProperty(context, global, CYJSString("objc_msgSend"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_msgSend"), &$objc_msgSend));
4170
4171         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Message, prototype_), function);
4172         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Selector, prototype_), function);
4173 #endif
4174 /* }}} */
4175
4176         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Functor, prototype_), function);
4177
4178         CYSetProperty(context, global, CYJSString("Functor"), Functor);
4179         CYSetProperty(context, global, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new));
4180         CYSetProperty(context, global, CYJSString("Type"), JSObjectMakeConstructor(context, Type_privateData::Class_, &Type_new));
4181
4182 #ifdef __OBJC__
4183         MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
4184 #endif
4185
4186 #ifdef __OBJC__
4187 #ifdef __APPLE__
4188         class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
4189 #endif
4190 #endif
4191
4192         JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
4193         CYSetProperty(context, global, CYJSString("Cycript"), cycript);
4194         CYSetProperty(context, cycript, CYJSString("gc"), JSObjectMakeFunctionWithCallback(context, CYJSString("gc"), &Cycript_gc_callAsFunction));
4195
4196         CYSetProperty(context, global, CYJSString("$cyq"), JSObjectMakeFunctionWithCallback(context, CYJSString("$cyq"), &$cyq));
4197
4198         System_ = JSObjectMake(context, NULL, NULL);
4199         JSValueProtect(context, System_);
4200
4201         CYSetProperty(context, global, CYJSString("system"), System_);
4202         CYSetProperty(context, System_, CYJSString("args"), CYJSNull(context));
4203         //CYSetProperty(context, System_, CYJSString("global"), global);
4204
4205         CYSetProperty(context, System_, CYJSString("print"), JSObjectMakeFunctionWithCallback(context, CYJSString("print"), &System_print));
4206
4207         Result_ = JSStringCreateWithUTF8CString("_");
4208     }
4209
4210     return Context_;
4211 }