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     // XXX: this is, sadly, going to leak
2140     // XXX: shouldn't this be done with .length?!
2141     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, _this));
2142
2143     bool comma(false);
2144
2145     for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) {
2146         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
2147         JSValueRef value(CYGetProperty(context, _this, name));
2148
2149         if (comma)
2150             str << ',';
2151         else
2152             comma = true;
2153
2154         if (!JSValueIsUndefined(context, value))
2155             str << CYPoolCCYON(pool, context, value);
2156         else {
2157             str << ',';
2158             comma = false;
2159         }
2160     }
2161
2162     str << ']';
2163
2164     JSPropertyNameArrayRelease(names);
2165
2166     std::string value(str.str());
2167     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
2168 } CYCatch }
2169
2170 #ifdef __OBJC__
2171 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
2172 struct CYInternal :
2173     CYData
2174 {
2175     JSObjectRef object_;
2176
2177     CYInternal() :
2178         object_(NULL)
2179     {
2180     }
2181
2182     ~CYInternal() {
2183         // XXX: delete object_? ;(
2184     }
2185
2186     static CYInternal *Get(id self) {
2187         CYInternal *internal(NULL);
2188         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
2189             // XXX: do something epic? ;P
2190         }
2191
2192         return internal;
2193     }
2194
2195     static CYInternal *Set(id self) {
2196         CYInternal *internal(NULL);
2197         if (Ivar ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
2198             if (internal == NULL) {
2199                 internal = new CYInternal();
2200                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
2201             }
2202         } else {
2203             // XXX: do something epic? ;P
2204         }
2205
2206         return internal;
2207     }
2208
2209     bool HasProperty(JSContextRef context, JSStringRef name) {
2210         if (object_ == NULL)
2211             return false;
2212         return JSObjectHasProperty(context, object_, name);
2213     }
2214
2215     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
2216         if (object_ == NULL)
2217             return NULL;
2218         return CYGetProperty(context, object_, name);
2219     }
2220
2221     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
2222         if (object_ == NULL)
2223             object_ = JSObjectMake(context, NULL, NULL);
2224         CYSetProperty(context, object_, name, value);
2225     }
2226 };
2227 #endif
2228
2229 #ifdef __OBJC__
2230 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
2231     Selector_privateData *internal(new Selector_privateData(sel));
2232     return JSObjectMake(context, Selector_, internal);
2233 }
2234 #endif
2235
2236 static JSObjectRef CYMakePointer(JSContextRef context, void *pointer, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
2237     Pointer *internal(new Pointer(pointer, context, owner, type));
2238     return JSObjectMake(context, Pointer_, internal);
2239 }
2240
2241 static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) {
2242     Functor_privateData *internal(new Functor_privateData(type, function));
2243     return JSObjectMake(context, Functor_, internal);
2244 }
2245
2246 static bool CYGetOffset(apr_pool_t *pool, JSStringRef value, ssize_t &index) {
2247     return CYGetOffset(CYPoolCString(pool, value), index);
2248 }
2249
2250 static void *CYCastPointer_(JSContextRef context, JSValueRef value) {
2251     switch (JSValueGetType(context, value)) {
2252         case kJSTypeNull:
2253             return NULL;
2254         /*case kJSTypeString:
2255             return dlsym(RTLD_DEFAULT, CYCastCString(context, value));
2256         case kJSTypeObject:
2257             if (JSValueIsObjectOfClass(context, value, Pointer_)) {
2258                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate((JSObjectRef) value)));
2259                 return internal->value_;
2260             }*/
2261         default:
2262             double number(CYCastDouble(context, value));
2263             if (std::isnan(number))
2264                 _throw(NSInvalidArgumentException, "cannot convert value to pointer");
2265             return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
2266     }
2267 }
2268
2269 template <typename Type_>
2270 static _finline Type_ CYCastPointer(JSContextRef context, JSValueRef value) {
2271     return reinterpret_cast<Type_>(CYCastPointer_(context, value));
2272 }
2273
2274 #ifdef __OBJC__
2275 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
2276     if (JSValueIsObjectOfClass(context, value, Selector_)) {
2277         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
2278         return reinterpret_cast<SEL>(internal->value_);
2279     } else
2280         return CYCastPointer<SEL>(context, value);
2281 }
2282 #endif
2283
2284 static void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) {
2285     switch (type->primitive) {
2286         case sig::boolean_P:
2287             *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
2288         break;
2289
2290 #define CYPoolFFI_(primitive, native) \
2291         case sig::primitive ## _P: \
2292             *reinterpret_cast<native *>(data) = CYCastDouble(context, value); \
2293         break;
2294
2295         CYPoolFFI_(uchar, unsigned char)
2296         CYPoolFFI_(char, char)
2297         CYPoolFFI_(ushort, unsigned short)
2298         CYPoolFFI_(short, short)
2299         CYPoolFFI_(ulong, unsigned long)
2300         CYPoolFFI_(long, long)
2301         CYPoolFFI_(uint, unsigned int)
2302         CYPoolFFI_(int, int)
2303         CYPoolFFI_(ulonglong, unsigned long long)
2304         CYPoolFFI_(longlong, long long)
2305         CYPoolFFI_(float, float)
2306         CYPoolFFI_(double, double)
2307
2308 #ifdef __OBJC__
2309         case sig::object_P:
2310         case sig::typename_P:
2311             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
2312         break;
2313
2314         case sig::selector_P:
2315             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
2316         break;
2317 #endif
2318
2319         case sig::pointer_P:
2320             *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value);
2321         break;
2322
2323         case sig::string_P:
2324             *reinterpret_cast<const char **>(data) = CYPoolCString(pool, context, value);
2325         break;
2326
2327         case sig::struct_P: {
2328             uint8_t *base(reinterpret_cast<uint8_t *>(data));
2329             JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
2330             for (size_t index(0); index != type->data.signature.count; ++index) {
2331                 sig::Element *element(&type->data.signature.elements[index]);
2332                 ffi_type *field(ffi->elements[index]);
2333
2334                 JSValueRef rhs;
2335                 if (aggregate == NULL)
2336                     rhs = value;
2337                 else {
2338                     rhs = CYGetProperty(context, aggregate, index);
2339                     if (JSValueIsUndefined(context, rhs)) {
2340                         if (element->name != NULL)
2341                             rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
2342                         else
2343                             goto undefined;
2344                         if (JSValueIsUndefined(context, rhs)) undefined:
2345                             _throw(NSInvalidArgumentException, "unable to extract structure value");
2346                     }
2347                 }
2348
2349                 CYPoolFFI(pool, context, element->type, field, base, rhs);
2350                 // XXX: alignment?
2351                 base += field->size;
2352             }
2353         } break;
2354
2355         case sig::void_P:
2356         break;
2357
2358         default:
2359             fprintf(stderr, "CYPoolFFI(%c)\n", type->primitive);
2360             _assert(false);
2361     }
2362 }
2363
2364 static JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize = false, JSObjectRef owner = NULL) {
2365     JSValueRef value;
2366
2367     switch (type->primitive) {
2368         case sig::boolean_P:
2369             value = CYCastJSValue(context, *reinterpret_cast<bool *>(data));
2370         break;
2371
2372 #define CYFromFFI_(primitive, native) \
2373         case sig::primitive ## _P: \
2374             value = CYCastJSValue(context, *reinterpret_cast<native *>(data)); \
2375         break;
2376
2377         CYFromFFI_(uchar, unsigned char)
2378         CYFromFFI_(char, char)
2379         CYFromFFI_(ushort, unsigned short)
2380         CYFromFFI_(short, short)
2381         CYFromFFI_(ulong, unsigned long)
2382         CYFromFFI_(long, long)
2383         CYFromFFI_(uint, unsigned int)
2384         CYFromFFI_(int, int)
2385         CYFromFFI_(ulonglong, unsigned long long)
2386         CYFromFFI_(longlong, long long)
2387         CYFromFFI_(float, float)
2388         CYFromFFI_(double, double)
2389
2390 #ifdef __OBJC__
2391         case sig::object_P: {
2392             if (id object = *reinterpret_cast<id *>(data)) {
2393                 value = CYCastJSValue(context, object);
2394                 if (initialize)
2395                     [object release];
2396             } else goto null;
2397         } break;
2398
2399         case sig::typename_P:
2400             value = CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
2401         break;
2402
2403         case sig::selector_P:
2404             if (SEL sel = *reinterpret_cast<SEL *>(data))
2405                 value = CYMakeSelector(context, sel);
2406             else goto null;
2407         break;
2408 #endif
2409
2410         case sig::pointer_P:
2411             if (void *pointer = *reinterpret_cast<void **>(data))
2412                 value = CYMakePointer(context, pointer, type->data.data.type, ffi, owner);
2413             else goto null;
2414         break;
2415
2416         case sig::string_P:
2417             if (char *utf8 = *reinterpret_cast<char **>(data))
2418                 value = CYCastJSValue(context, utf8);
2419             else goto null;
2420         break;
2421
2422         case sig::struct_P:
2423             value = CYMakeStruct(context, data, type, ffi, owner);
2424         break;
2425
2426         case sig::void_P:
2427             value = CYJSUndefined(context);
2428         break;
2429
2430         null:
2431             value = CYJSNull(context);
2432         break;
2433
2434         default:
2435             fprintf(stderr, "CYFromFFI(%c)\n", type->primitive);
2436             _assert(false);
2437     }
2438
2439     return value;
2440 }
2441
2442 #ifdef __OBJC__
2443 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
2444     if (objc_method *method = class_getInstanceMethod(_class, selector)) {
2445         if (!devoid)
2446             return true;
2447         char type[16];
2448         method_getReturnType(method, type, sizeof(type));
2449         if (type[0] != 'v')
2450             return true;
2451     }
2452
2453     // XXX: possibly use a more "awesome" check?
2454     return false;
2455 }
2456 #endif
2457
2458 #ifdef __OBJC__
2459 static const char *CYPoolTypeEncoding(apr_pool_t *pool, Class _class, SEL sel, objc_method *method) {
2460     if (method != NULL)
2461         return method_getTypeEncoding(method);
2462
2463     const char *name(sel_getName(sel));
2464
2465     sqlite3_stmt *statement;
2466
2467     _sqlcall(sqlite3_prepare(Bridge_,
2468         "select "
2469             "\"bridge\".\"mode\", "
2470             "\"bridge\".\"value\" "
2471         "from \"bridge\" "
2472         "where"
2473             " \"bridge\".\"mode\" in (3, 4) and"
2474             " \"bridge\".\"name\" = ?"
2475         " limit 1"
2476     , -1, &statement, NULL));
2477
2478     _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
2479
2480     int mode;
2481     const char *value;
2482
2483     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
2484         mode = -1;
2485         value = NULL;
2486     } else {
2487         mode = sqlite3_column_int(statement, 0);
2488         value = sqlite3_column_pooled(pool, statement, 1);
2489     }
2490
2491     _sqlcall(sqlite3_finalize(statement));
2492
2493     if (value != NULL)
2494         return value;
2495
2496     return NULL;
2497 }
2498 #endif
2499
2500 static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
2501     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
2502
2503     JSContextRef context(internal->context_);
2504
2505     size_t count(internal->cif_.nargs);
2506     JSValueRef values[count];
2507
2508     for (size_t index(0); index != count; ++index)
2509         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
2510
2511     JSValueRef value(CYCallAsFunction(context, internal->function_, NULL, count, values));
2512     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
2513 }
2514
2515 #ifdef __OBJC__
2516 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
2517     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
2518
2519     JSContextRef context(internal->context_);
2520
2521     size_t count(internal->cif_.nargs);
2522     JSValueRef values[count];
2523
2524     for (size_t index(0); index != count; ++index)
2525         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
2526
2527     JSObjectRef _this(CYCastJSObject(context, values[0]));
2528
2529     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
2530     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
2531 }
2532 #endif
2533
2534 static Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const char *type, void (*callback)(ffi_cif *, void *, void **, void *)) {
2535     // XXX: in case of exceptions this will leak
2536     // XXX: in point of fact, this may /need/ to leak :(
2537     Closure_privateData *internal(new Closure_privateData(CYGetJSContext(), function, type));
2538
2539     ffi_closure *closure((ffi_closure *) _syscall(mmap(
2540         NULL, sizeof(ffi_closure),
2541         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
2542         -1, 0
2543     )));
2544
2545     ffi_status status(ffi_prep_closure(closure, &internal->cif_, callback, internal));
2546     _assert(status == FFI_OK);
2547
2548     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
2549
2550     internal->value_ = closure;
2551
2552     return internal;
2553 }
2554
2555 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const char *type) {
2556     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &FunctionClosure_));
2557     return JSObjectMake(context, Functor_, internal);
2558 }
2559
2560 static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const char *type) {
2561     JSValueRef exception(NULL);
2562     bool function(JSValueIsInstanceOfConstructor(context, value, Function_, &exception));
2563     CYThrow(context, exception);
2564
2565     if (function) {
2566         JSObjectRef function(CYCastJSObject(context, value));
2567         return CYMakeFunctor(context, function, type);
2568     } else {
2569         void (*function)()(CYCastPointer<void (*)()>(context, value));
2570         return CYMakeFunctor(context, function, type);
2571     }
2572 }
2573
2574 #ifdef __OBJC__
2575 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
2576     Message_privateData *internal(new Message_privateData(sel, type, imp));
2577     return JSObjectMake(context, Message_, internal);
2578 }
2579
2580 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
2581     JSObjectRef function(CYCastJSObject(context, value));
2582     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
2583     return reinterpret_cast<IMP>(internal->GetValue());
2584 }
2585
2586 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2587     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2588     Class _class(internal->GetValue());
2589
2590     CYPool pool;
2591     const char *name(CYPoolCString(pool, property));
2592
2593     if (SEL sel = sel_getUid(name))
2594         if (class_getInstanceMethod(_class, sel) != NULL)
2595             return true;
2596
2597     return false;
2598 }
2599
2600 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2601     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2602     Class _class(internal->GetValue());
2603
2604     CYPool pool;
2605     const char *name(CYPoolCString(pool, property));
2606
2607     if (SEL sel = sel_getUid(name))
2608         if (objc_method *method = class_getInstanceMethod(_class, sel))
2609             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
2610
2611     return NULL;
2612 }
2613
2614 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2615     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2616     Class _class(internal->GetValue());
2617
2618     CYPool pool;
2619     const char *name(CYPoolCString(pool, property));
2620
2621     SEL sel(sel_registerName(name));
2622
2623     objc_method *method(class_getInstanceMethod(_class, sel));
2624
2625     const char *type;
2626     IMP imp;
2627
2628     if (JSValueIsObjectOfClass(context, value, Message_)) {
2629         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
2630         type = sig::Unparse(pool, &message->signature_);
2631         imp = reinterpret_cast<IMP>(message->GetValue());
2632     } else {
2633         type = CYPoolTypeEncoding(pool, _class, sel, method);
2634         imp = CYMakeMessage(context, value, type);
2635     }
2636
2637     if (method != NULL)
2638         method_setImplementation(method, imp);
2639     else
2640         class_replaceMethod(_class, sel, imp, type);
2641
2642     return true;
2643 }
2644
2645 #if !__OBJC2__
2646 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2647     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2648     Class _class(internal->GetValue());
2649
2650     CYPool pool;
2651     const char *name(CYPoolCString(pool, property));
2652
2653     if (SEL sel = sel_getUid(name))
2654         if (objc_method *method = class_getInstanceMethod(_class, sel)) {
2655             objc_method_list list = {NULL, 1, {method}};
2656             class_removeMethods(_class, &list);
2657             return true;
2658         }
2659
2660     return false;
2661 }
2662 #endif
2663
2664 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2665     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2666     Class _class(internal->GetValue());
2667
2668     unsigned int size;
2669     objc_method **data(class_copyMethodList(_class, &size));
2670     for (size_t i(0); i != size; ++i)
2671         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
2672     free(data);
2673 }
2674
2675 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2676     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2677     id self(internal->GetValue());
2678
2679     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
2680         return true;
2681
2682     CYPool pool;
2683     NSString *name(CYCastNSString(pool, property));
2684
2685     if (CYInternal *internal = CYInternal::Get(self))
2686         if (internal->HasProperty(context, property))
2687             return true;
2688
2689     Class _class(object_getClass(self));
2690
2691     CYPoolTry {
2692         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
2693         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
2694             if ([self cy$hasProperty:name])
2695                 return true;
2696     } CYPoolCatch(false)
2697
2698     const char *string(CYPoolCString(pool, name));
2699
2700     if (class_getProperty(_class, string) != NULL)
2701         return true;
2702
2703     if (SEL sel = sel_getUid(string))
2704         if (CYImplements(self, _class, sel, true))
2705             return true;
2706
2707     return false;
2708 }
2709
2710 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2711     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2712     id self(internal->GetValue());
2713
2714     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
2715         return Internal::Make(context, self, object);
2716
2717     CYTry {
2718         CYPool pool;
2719         NSString *name(CYCastNSString(pool, property));
2720
2721         if (CYInternal *internal = CYInternal::Get(self))
2722             if (JSValueRef value = internal->GetProperty(context, property))
2723                 return value;
2724
2725         CYPoolTry {
2726             if (NSObject *data = [self cy$getProperty:name])
2727                 return CYCastJSValue(context, data);
2728         } CYPoolCatch(NULL)
2729
2730         const char *string(CYPoolCString(pool, name));
2731         Class _class(object_getClass(self));
2732
2733 #ifdef __APPLE__
2734         if (objc_property_t property = class_getProperty(_class, string)) {
2735             PropertyAttributes attributes(property);
2736             SEL sel(sel_registerName(attributes.Getter()));
2737             return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
2738         }
2739 #endif
2740
2741         if (SEL sel = sel_getUid(string))
2742             if (CYImplements(self, _class, sel, true))
2743                 return CYSendMessage(pool, context, self, NULL, sel, 0, NULL, false, exception);
2744
2745         return NULL;
2746     } CYCatch
2747 }
2748
2749 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2750     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2751     id self(internal->GetValue());
2752
2753     CYPool pool;
2754
2755     CYTry {
2756         NSString *name(CYCastNSString(pool, property));
2757         NSObject *data(CYCastNSObject(pool, context, value));
2758
2759         CYPoolTry {
2760             if ([self cy$setProperty:name to:data])
2761                 return true;
2762         } CYPoolCatch(NULL)
2763
2764         const char *string(CYPoolCString(pool, name));
2765         Class _class(object_getClass(self));
2766
2767 #ifdef __APPLE__
2768         if (objc_property_t property = class_getProperty(_class, string)) {
2769             PropertyAttributes attributes(property);
2770             if (const char *setter = attributes.Setter()) {
2771                 SEL sel(sel_registerName(setter));
2772                 JSValueRef arguments[1] = {value};
2773                 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
2774                 return true;
2775             }
2776         }
2777 #endif
2778
2779         size_t length(strlen(string));
2780
2781         char set[length + 5];
2782
2783         set[0] = 's';
2784         set[1] = 'e';
2785         set[2] = 't';
2786
2787         if (string[0] != '\0') {
2788             set[3] = toupper(string[0]);
2789             memcpy(set + 4, string + 1, length - 1);
2790         }
2791
2792         set[length + 3] = ':';
2793         set[length + 4] = '\0';
2794
2795         if (SEL sel = sel_getUid(set))
2796             if (CYImplements(self, _class, sel, false)) {
2797                 JSValueRef arguments[1] = {value};
2798                 CYSendMessage(pool, context, self, NULL, sel, 1, arguments, false, exception);
2799             }
2800
2801         if (CYInternal *internal = CYInternal::Set(self)) {
2802             internal->SetProperty(context, property, value);
2803             return true;
2804         }
2805
2806         return false;
2807     } CYCatch
2808 }
2809
2810 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2811     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2812     id self(internal->GetValue());
2813
2814     CYTry {
2815         CYPoolTry {
2816             NSString *name(CYCastNSString(NULL, property));
2817             return [self cy$deleteProperty:name];
2818         } CYPoolCatch(NULL)
2819     } CYCatch
2820 }
2821
2822 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2823     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2824     id self(internal->GetValue());
2825
2826     CYPool pool;
2827     Class _class(object_getClass(self));
2828
2829 #ifdef __APPLE__
2830     {
2831         unsigned int size;
2832         objc_property_t *data(class_copyPropertyList(_class, &size));
2833         for (size_t i(0); i != size; ++i)
2834             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
2835         free(data);
2836     }
2837 #endif
2838 }
2839
2840 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2841     CYTry {
2842         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2843         JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
2844         return value;
2845     } CYCatch
2846 }
2847
2848 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) {
2849     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
2850     Class _class(internal->GetValue());
2851     if (!CYIsClass(_class))
2852         return false;
2853
2854     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
2855         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
2856         // XXX: this isn't always safe
2857         CYTry {
2858             return [linternal->GetValue() isKindOfClass:_class];
2859         } CYCatch
2860     }
2861
2862     return false;
2863 }
2864
2865 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2866     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2867     CYPool pool;
2868
2869     id self(internal->GetValue());
2870     const char *name(CYPoolCString(pool, property));
2871
2872     if (object_getInstanceVariable(self, name, NULL) != NULL)
2873         return true;
2874
2875     return false;
2876 }
2877
2878 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2879     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2880     CYPool pool;
2881
2882     CYTry {
2883         id self(internal->GetValue());
2884         const char *name(CYPoolCString(pool, property));
2885
2886         if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
2887             Type_privateData type(pool, ivar_getTypeEncoding(ivar));
2888             return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
2889         }
2890
2891         return NULL;
2892     } CYCatch
2893 }
2894
2895 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2896     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2897     CYPool pool;
2898
2899     CYTry {
2900         id self(internal->GetValue());
2901         const char *name(CYPoolCString(pool, property));
2902
2903         if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
2904             Type_privateData type(pool, ivar_getTypeEncoding(ivar));
2905             CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
2906             return true;
2907         }
2908
2909         return false;
2910     } CYCatch
2911 }
2912
2913 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
2914     if (Class super = class_getSuperclass(_class))
2915         Internal_getPropertyNames_(super, names);
2916
2917     unsigned int size;
2918     Ivar *data(class_copyIvarList(_class, &size));
2919     for (size_t i(0); i != size; ++i)
2920         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
2921     free(data);
2922 }
2923
2924 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2925     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2926     CYPool pool;
2927
2928     id self(internal->GetValue());
2929     Class _class(object_getClass(self));
2930
2931     Internal_getPropertyNames_(_class, names);
2932 }
2933
2934 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2935     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2936     return internal->GetOwner();
2937 }
2938 #endif
2939
2940 static bool Index_(apr_pool_t *pool, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
2941     Type_privateData *typical(internal->type_);
2942     sig::Type *type(typical->type_);
2943     if (type == NULL)
2944         return false;
2945
2946     const char *name(CYPoolCString(pool, property));
2947     size_t length(strlen(name));
2948     double number(CYCastDouble(name, length));
2949
2950     size_t count(type->data.signature.count);
2951
2952     if (std::isnan(number)) {
2953         if (property == NULL)
2954             return false;
2955
2956         sig::Element *elements(type->data.signature.elements);
2957
2958         for (size_t local(0); local != count; ++local) {
2959             sig::Element *element(&elements[local]);
2960             if (element->name != NULL && strcmp(name, element->name) == 0) {
2961                 index = local;
2962                 goto base;
2963             }
2964         }
2965
2966         return false;
2967     } else {
2968         index = static_cast<ssize_t>(number);
2969         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
2970             return false;
2971     }
2972
2973   base:
2974     ffi_type **elements(typical->GetFFI()->elements);
2975
2976     base = reinterpret_cast<uint8_t *>(internal->value_);
2977     for (ssize_t local(0); local != index; ++local)
2978         base += elements[local]->size;
2979
2980     return true;
2981 }
2982
2983 static JSValueRef Pointer_getIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef *exception) {
2984     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2985     Type_privateData *typical(internal->type_);
2986
2987     ffi_type *ffi(typical->GetFFI());
2988
2989     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
2990     base += ffi->size * index;
2991
2992     JSObjectRef owner(internal->GetOwner() ?: object);
2993
2994     CYTry {
2995         return CYFromFFI(context, typical->type_, ffi, base, false, owner);
2996     } CYCatch
2997 }
2998
2999 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3000     CYPool pool;
3001     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
3002     Type_privateData *typical(internal->type_);
3003
3004     if (typical->type_ == NULL)
3005         return NULL;
3006
3007     ssize_t offset;
3008     if (!CYGetOffset(pool, property, offset))
3009         return NULL;
3010
3011     return Pointer_getIndex(context, object, offset, exception);
3012 }
3013
3014 static JSValueRef Pointer_getProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3015     return Pointer_getIndex(context, object, 0, exception);
3016 }
3017
3018 static bool Pointer_setIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value, JSValueRef *exception) {
3019     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
3020     Type_privateData *typical(internal->type_);
3021
3022     ffi_type *ffi(typical->GetFFI());
3023
3024     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
3025     base += ffi->size * index;
3026
3027     CYTry {
3028         CYPoolFFI(NULL, context, typical->type_, ffi, base, value);
3029         return true;
3030     } CYCatch
3031 }
3032
3033 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
3034     CYPool pool;
3035     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
3036     Type_privateData *typical(internal->type_);
3037
3038     if (typical->type_ == NULL)
3039         return NULL;
3040
3041     ssize_t offset;
3042     if (!CYGetOffset(pool, property, offset))
3043         return NULL;
3044
3045     return Pointer_setIndex(context, object, offset, value, exception);
3046 }
3047
3048 static bool Pointer_setProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
3049     return Pointer_setIndex(context, object, 0, value, exception);
3050 }
3051
3052 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3053     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
3054     Type_privateData *typical(internal->type_);
3055     return CYMakePointer(context, internal->value_, typical->type_, typical->ffi_, _this);
3056 }
3057
3058 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3059     CYPool pool;
3060     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
3061     Type_privateData *typical(internal->type_);
3062
3063     ssize_t index;
3064     uint8_t *base;
3065
3066     CYTry {
3067         if (!Index_(pool, internal, property, index, base))
3068             return NULL;
3069
3070         JSObjectRef owner(internal->GetOwner() ?: object);
3071
3072         return CYFromFFI(context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, false, owner);
3073     } CYCatch
3074 }
3075
3076 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
3077     CYPool pool;
3078     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
3079     Type_privateData *typical(internal->type_);
3080
3081     ssize_t index;
3082     uint8_t *base;
3083
3084     CYTry {
3085         if (!Index_(pool, internal, property, index, base))
3086             return false;
3087
3088         CYPoolFFI(NULL, context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, value);
3089         return true;
3090     } CYCatch
3091 }
3092
3093 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3094     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
3095     Type_privateData *typical(internal->type_);
3096     sig::Type *type(typical->type_);
3097
3098     if (type == NULL)
3099         return;
3100
3101     size_t count(type->data.signature.count);
3102     sig::Element *elements(type->data.signature.elements);
3103
3104     char number[32];
3105
3106     for (size_t index(0); index != count; ++index) {
3107         const char *name;
3108         name = elements[index].name;
3109
3110         if (name == NULL) {
3111             sprintf(number, "%lu", index);
3112             name = number;
3113         }
3114
3115         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
3116     }
3117 }
3118
3119 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)()) {
3120     CYTry {
3121         if (setups + count != signature->count - 1)
3122             _throw(NSInvalidArgumentException, "incorrect number of arguments to ffi function");
3123
3124         size_t size(setups + count);
3125         void *values[size];
3126         memcpy(values, setup, sizeof(void *) * setups);
3127
3128         for (size_t index(setups); index != size; ++index) {
3129             sig::Element *element(&signature->elements[index + 1]);
3130             ffi_type *ffi(cif->arg_types[index]);
3131             // XXX: alignment?
3132             values[index] = new(pool) uint8_t[ffi->size];
3133             CYPoolFFI(pool, context, element->type, ffi, values[index], arguments[index - setups]);
3134         }
3135
3136         uint8_t value[cif->rtype->size];
3137         ffi_call(cif, function, value, values);
3138
3139         return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize);
3140     } CYCatch
3141 }
3142
3143 #ifdef __OBJC__
3144 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3145     CYTry {
3146         CYPool pool;
3147         NSString *name(CYCastNSString(pool, property));
3148         if (Class _class = NSClassFromString(name))
3149             return CYMakeInstance(context, _class, true);
3150         return NULL;
3151     } CYCatch
3152 }
3153
3154 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3155     size_t size(objc_getClassList(NULL, 0));
3156     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
3157
3158   get:
3159     size_t writ(objc_getClassList(data, size));
3160     if (size < writ) {
3161         size = writ;
3162         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
3163             data = copy;
3164             goto get;
3165         } else goto done;
3166     }
3167
3168     for (size_t i(0); i != writ; ++i)
3169         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
3170
3171   done:
3172     free(data);
3173 }
3174
3175 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3176     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
3177
3178     CYTry {
3179         CYPool pool;
3180         const char *name(CYPoolCString(pool, property));
3181         unsigned int size;
3182         const char **data(objc_copyClassNamesForImage(internal, &size));
3183         JSValueRef value;
3184         for (size_t i(0); i != size; ++i)
3185             if (strcmp(name, data[i]) == 0) {
3186                 if (Class _class = objc_getClass(name)) {
3187                     value = CYMakeInstance(context, _class, true);
3188                     goto free;
3189                 } else
3190                     break;
3191             }
3192         value = NULL;
3193       free:
3194         free(data);
3195         return value;
3196     } CYCatch
3197 }
3198
3199 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3200     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
3201     unsigned int size;
3202     const char **data(objc_copyClassNamesForImage(internal, &size));
3203     for (size_t i(0); i != size; ++i)
3204         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
3205     free(data);
3206 }
3207
3208 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3209     CYTry {
3210         CYPool pool;
3211         const char *name(CYPoolCString(pool, property));
3212         unsigned int size;
3213         const char **data(objc_copyImageNames(&size));
3214         for (size_t i(0); i != size; ++i)
3215             if (strcmp(name, data[i]) == 0) {
3216                 name = data[i];
3217                 goto free;
3218             }
3219         name = NULL;
3220       free:
3221         free(data);
3222         if (name == NULL)
3223             return NULL;
3224         JSObjectRef value(JSObjectMake(context, NULL, NULL));
3225         CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
3226         return value;
3227     } CYCatch
3228 }
3229
3230 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3231     unsigned int size;
3232     const char **data(objc_copyImageNames(&size));
3233     for (size_t i(0); i != size; ++i)
3234         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
3235     free(data);
3236 }
3237
3238 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3239     CYTry {
3240         CYPool pool;
3241         NSString *name(CYCastNSString(pool, property));
3242         if (Protocol *protocol = NSProtocolFromString(name))
3243             return CYMakeInstance(context, protocol, true);
3244         return NULL;
3245     } CYCatch
3246 }
3247
3248 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
3249     unsigned int size;
3250     Protocol **data(objc_copyProtocolList(&size));
3251     for (size_t i(0); i != size; ++i)
3252         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
3253     free(data);
3254 }
3255 #endif
3256
3257 static JSObjectRef CYMakeType(JSContextRef context, const char *type) {
3258     Type_privateData *internal(new Type_privateData(NULL, type));
3259     return JSObjectMake(context, Type_privateData::Class_, internal);
3260 }
3261
3262 static JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) {
3263     Type_privateData *internal(new Type_privateData(type));
3264     return JSObjectMake(context, Type_privateData::Class_, internal);
3265 }
3266
3267 static void *CYCastSymbol(const char *name) {
3268     return dlsym(RTLD_DEFAULT, name);
3269 }
3270
3271 static JSValueRef Runtime_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3272 #ifdef __OBJC__
3273     if (JSStringIsEqualToUTF8CString(property, "nil"))
3274         return Instance::Make(context, nil);
3275 #endif
3276
3277     CYTry {
3278         CYPool pool;
3279         const char *name(CYPoolCString(pool, property));
3280
3281 #ifdef __OBJC__
3282         if (Class _class = objc_getClass(name))
3283             return CYMakeInstance(context, _class, true);
3284 #endif
3285
3286         sqlite3_stmt *statement;
3287
3288         _sqlcall(sqlite3_prepare(Bridge_,
3289             "select "
3290                 "\"bridge\".\"mode\", "
3291                 "\"bridge\".\"value\" "
3292             "from \"bridge\" "
3293             "where"
3294                 " \"bridge\".\"name\" = ?"
3295             " limit 1"
3296         , -1, &statement, NULL));
3297
3298         _sqlcall(sqlite3_bind_text(statement, 1, name, -1, SQLITE_STATIC));
3299
3300         int mode;
3301         const char *value;
3302
3303         if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE) {
3304             mode = -1;
3305             value = NULL;
3306         } else {
3307             mode = sqlite3_column_int(statement, 0);
3308             value = sqlite3_column_pooled(pool, statement, 1);
3309         }
3310
3311         _sqlcall(sqlite3_finalize(statement));
3312
3313         switch (mode) {
3314             default:
3315                 _assert(false);
3316             case -1:
3317                 return NULL;
3318
3319             case 0:
3320                 return JSEvaluateScript(CYGetJSContext(), CYJSString(value), NULL, NULL, 0, NULL);
3321             case 1:
3322                 return CYMakeFunctor(context, reinterpret_cast<void (*)()>(CYCastSymbol(name)), value);
3323
3324             case 2: {
3325                 // XXX: this is horrendously inefficient
3326                 sig::Signature signature;
3327                 sig::Parse(pool, &signature, value, &Structor_);
3328                 ffi_cif cif;
3329                 sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
3330                 return CYFromFFI(context, signature.elements[0].type, cif.rtype, CYCastSymbol(name));
3331             }
3332
3333             // XXX: implement case 3
3334             case 4:
3335                 return CYMakeType(context, value);
3336         }
3337     } CYCatch
3338 }
3339
3340 #ifdef __OBJC__
3341 static bool stret(ffi_type *ffi_type) {
3342     return ffi_type->type == FFI_TYPE_STRUCT && (
3343         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
3344         struct_forward_array[ffi_type->size] != 0
3345     );
3346 }
3347 #endif
3348
3349 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3350     CYTry {
3351         if (count == 0)
3352             printf("\n");
3353         else
3354             printf("%s\n", CYCastCString(context, arguments[0]));
3355         return CYJSUndefined(context);
3356     } CYCatch
3357 }
3358
3359 #ifdef __OBJC__
3360 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, Class _class, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception) {
3361     const char *type;
3362
3363     if (_class == NULL)
3364         _class = object_getClass(self);
3365
3366     if (objc_method *method = class_getInstanceMethod(_class, _cmd))
3367         type = method_getTypeEncoding(method);
3368     else {
3369         CYTry {
3370             CYPoolTry {
3371                 NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
3372                 if (method == nil)
3373                     _throw(NSInvalidArgumentException, "unrecognized selector %s sent to object %p", sel_getName(_cmd), self);
3374                 type = CYPoolCString(pool, [method _typeString]);
3375             } CYPoolCatch(NULL)
3376         } CYCatch
3377     }
3378
3379     objc_super super = {self, _class};
3380     void *arg0 = &super;
3381
3382     void *setup[2];
3383     setup[0] = &arg0;
3384     setup[1] = &_cmd;
3385
3386     sig::Signature signature;
3387     sig::Parse(pool, &signature, type, &Structor_);
3388
3389     ffi_cif cif;
3390     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
3391
3392     void (*function)() = stret(cif.rtype) ? reinterpret_cast<void (*)()>(&objc_msgSendSuper_stret) : reinterpret_cast<void (*)()>(&objc_msgSendSuper);
3393     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
3394 }
3395 #endif
3396
3397 static size_t Nonce_(0);
3398
3399 static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3400     char name[16];
3401     sprintf(name, "%s%zu", CYCastCString(context, arguments[0]), Nonce_++);
3402     return CYCastJSValue(context, name);
3403 }
3404
3405 #ifdef __OBJC__
3406 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3407     CYPool pool;
3408
3409     bool uninitialized;
3410
3411     id self;
3412     SEL _cmd;
3413     Class _class;
3414
3415     CYTry {
3416         if (count < 2)
3417             _throw(NSInvalidArgumentException, "too few arguments to objc_msgSend");
3418
3419         if (JSValueIsObjectOfClass(context, arguments[0], Super_)) {
3420             cy::Super *internal(reinterpret_cast<cy::Super *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
3421             self = internal->GetValue();
3422             _class = internal->class_;;
3423             uninitialized = false;
3424         } else if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
3425             Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
3426             self = internal->GetValue();
3427             _class = nil;
3428             uninitialized = internal->IsUninitialized();
3429             if (uninitialized)
3430                 internal->value_ = nil;
3431         } else {
3432             self = CYCastNSObject(pool, context, arguments[0]);
3433             _class = nil;
3434             uninitialized = false;
3435         }
3436
3437         if (self == nil)
3438             return CYJSNull(context);
3439
3440         _cmd = CYCastSEL(context, arguments[1]);
3441     } CYCatch
3442
3443     return CYSendMessage(pool, context, self, _class, _cmd, count - 2, arguments + 2, uninitialized, exception);
3444 }
3445 #endif
3446
3447 #ifdef __OBJC__
3448 /* Hook: objc_registerClassPair {{{ */
3449 // XXX: replace this with associated objects
3450
3451 MSHook(void, CYDealloc, id self, SEL sel) {
3452     CYInternal *internal;
3453     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
3454     if (internal != NULL)
3455         delete internal;
3456     _CYDealloc(self, sel);
3457 }
3458
3459 MSHook(void, objc_registerClassPair, Class _class) {
3460     Class super(class_getSuperclass(_class));
3461     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
3462         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
3463         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
3464     }
3465
3466     _objc_registerClassPair(_class);
3467 }
3468
3469 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3470     CYTry {
3471         if (count != 1)
3472             _throw(NSInvalidArgumentException, "incorrect number of arguments to objc_registerClassPair");
3473         CYPool pool;
3474         NSObject *value(CYCastNSObject(pool, context, arguments[0]));
3475         if (value == NULL || !CYIsClass(value))
3476             _throw(NSInvalidArgumentException, "incorrect number of arguments to objc_registerClassPair");
3477         Class _class((Class) value);
3478         $objc_registerClassPair(_class);
3479         return CYJSUndefined(context);
3480     } CYCatch
3481 }
3482 /* }}} */
3483 #endif
3484
3485 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3486     JSGarbageCollect(context);
3487     return CYJSUndefined(context);
3488 }
3489
3490 #ifdef __OBJC__
3491 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3492     JSValueRef setup[count + 2];
3493     setup[0] = _this;
3494     setup[1] = object;
3495     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
3496     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
3497 }
3498
3499 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3500     CYPool pool;
3501     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
3502
3503     // XXX: handle Instance::Uninitialized?
3504     id self(CYCastNSObject(pool, context, _this));
3505
3506     void *setup[2];
3507     setup[0] = &self;
3508     setup[1] = &internal->sel_;
3509
3510     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
3511 }
3512 #endif
3513
3514 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3515     CYPool pool;
3516     Functor_privateData *internal(reinterpret_cast<Functor_privateData *>(JSObjectGetPrivate(object)));
3517     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
3518 }
3519
3520 #ifdef __OBJC__
3521 static JSObjectRef Super_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3522     CYTry {
3523         if (count != 2)
3524             _throw(NSInvalidArgumentException, "incorrect number of arguments to Super constructor");
3525         CYPool pool;
3526         id self(CYCastNSObject(pool, context, arguments[0]));
3527         Class _class(CYCastClass(pool, context, arguments[1]));
3528         return cy::Super::Make(context, self, _class);
3529     } CYCatch
3530 }
3531
3532 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3533     CYTry {
3534         if (count != 1)
3535             _throw(NSInvalidArgumentException, "incorrect number of arguments to Selector constructor");
3536         const char *name(CYCastCString(context, arguments[0]));
3537         return CYMakeSelector(context, sel_registerName(name));
3538     } CYCatch
3539 }
3540 #endif
3541
3542 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3543     CYTry {
3544         if (count != 2)
3545             _throw(NSInvalidArgumentException, "incorrect number of arguments to Functor constructor");
3546
3547         void *value(CYCastPointer<void *>(context, arguments[0]));
3548         const char *type(CYCastCString(context, arguments[1]));
3549
3550         CYPool pool;
3551
3552         sig::Signature signature;
3553         sig::Parse(pool, &signature, type, &Structor_);
3554
3555         return CYMakePointer(context, value, signature.elements[0].type, NULL, NULL);
3556     } CYCatch
3557 }
3558
3559 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3560     CYTry {
3561         if (count != 1)
3562             _throw(NSInvalidArgumentException, "incorrect number of arguments to Type constructor");
3563         const char *type(CYCastCString(context, arguments[0]));
3564         return CYMakeType(context, type);
3565     } CYCatch
3566 }
3567
3568 static JSValueRef Type_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3569     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3570
3571     CYTry {
3572         sig::Type type;
3573
3574         if (JSStringIsEqualToUTF8CString(property, "$cyi")) {
3575             type.primitive = sig::pointer_P;
3576             type.data.data.size = 0;
3577         } else {
3578             CYPool pool;
3579             size_t index(CYGetIndex(pool, property));
3580             if (index == _not(size_t))
3581                 return NULL;
3582             type.primitive = sig::array_P;
3583             type.data.data.size = index;
3584         }
3585
3586         type.name = NULL;
3587         type.flags = 0;
3588
3589         type.data.data.type = internal->type_;
3590
3591         return CYMakeType(context, &type);
3592     } CYCatch
3593 }
3594
3595 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3596     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3597
3598     CYTry {
3599         if (count != 1)
3600             _throw(NSInvalidArgumentException, "incorrect number of arguments to type cast function");
3601         sig::Type *type(internal->type_);
3602         ffi_type *ffi(internal->GetFFI());
3603         // XXX: alignment?
3604         uint8_t value[ffi->size];
3605         CYPool pool;
3606         CYPoolFFI(pool, context, type, ffi, value, arguments[0]);
3607         return CYFromFFI(context, type, ffi, value);
3608     } CYCatch
3609 }
3610
3611 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3612     CYTry {
3613         if (count != 0)
3614             _throw(NSInvalidArgumentException, "incorrect number of arguments to type cast function");
3615         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3616
3617         sig::Type *type(internal->type_);
3618         size_t size;
3619
3620         if (type->primitive != sig::array_P)
3621             size = 0;
3622         else {
3623             size = type->data.data.size;
3624             type = type->data.data.type;
3625         }
3626
3627         void *value(malloc(internal->GetFFI()->size));
3628         return CYMakePointer(context, value, type, NULL, NULL);
3629     } CYCatch
3630 }
3631
3632 #ifdef __OBJC__
3633 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3634     CYTry {
3635         if (count > 1)
3636             _throw(NSInvalidArgumentException, "incorrect number of arguments to Instance constructor");
3637         id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
3638         return Instance::Make(context, self);
3639     } CYCatch
3640 }
3641 #endif
3642
3643 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3644     CYTry {
3645         if (count != 2)
3646             _throw(NSInvalidArgumentException, "incorrect number of arguments to Functor constructor");
3647         const char *type(CYCastCString(context, arguments[1]));
3648         return CYMakeFunctor(context, arguments[0], type);
3649     } CYCatch
3650 }
3651
3652 #ifdef __OBJC__
3653 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3654     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
3655     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
3656 }
3657
3658 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3659     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3660     Type_privateData *typical(internal->GetType());
3661
3662     sig::Type *type;
3663     ffi_type *ffi;
3664
3665     if (typical == NULL) {
3666         type = NULL;
3667         ffi = NULL;
3668     } else {
3669         type = typical->type_;
3670         ffi = typical->ffi_;
3671     }
3672
3673     return CYMakePointer(context, &internal->value_, type, ffi, object);
3674 }
3675 #endif
3676
3677 static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3678     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3679
3680     CYTry {
3681         return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
3682     } CYCatch
3683 }
3684
3685 static JSValueRef CYValue_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3686     return CYValue_callAsFunction_valueOf(context, object, _this, count, arguments, exception);
3687 }
3688
3689 static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3690     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3691     char string[32];
3692     sprintf(string, "%p", internal->value_);
3693
3694     CYTry {
3695         return CYCastJSValue(context, string);
3696     } CYCatch
3697 }
3698
3699 #ifdef __OBJC__
3700 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3701     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3702     return Instance::Make(context, object_getClass(internal->GetValue()));
3703 }
3704
3705 static JSValueRef Instance_getProperty_protocol(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3706     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3707     id self(internal->GetValue());
3708     if (!CYIsClass(self))
3709         return CYJSUndefined(context);
3710     CYTry {
3711         return CYGetClassPrototype(context, self);
3712     } CYCatch
3713 }
3714
3715 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3716     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3717     id self(internal->GetValue());
3718     if (class_getInstanceMethod(object_getClass(self), @selector(alloc)) == NULL)
3719         return CYJSUndefined(context);
3720     return Messages::Make(context, self);
3721 }
3722
3723 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3724     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3725         return NULL;
3726
3727     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3728
3729     CYTry {
3730         CYPoolTry {
3731             return CYCastJSValue(context, CYJSString(CYCastNSCYON(internal->GetValue())));
3732         } CYPoolCatch(NULL)
3733     } CYCatch
3734 }
3735
3736 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3737     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3738         return NULL;
3739
3740     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3741
3742     CYTry {
3743         CYPoolTry {
3744             NSString *key(count == 0 ? nil : CYCastNSString(NULL, CYJSString(context, arguments[0])));
3745             // XXX: check for support of cy$toJSON?
3746             return CYCastJSValue(context, CYJSString([internal->GetValue() cy$toJSON:key]));
3747         } CYPoolCatch(NULL)
3748     } CYCatch
3749 }
3750
3751 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3752     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3753         return NULL;
3754
3755     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3756
3757     CYTry {
3758         CYPoolTry {
3759             return CYCastJSValue(context, CYJSString([internal->GetValue() description]));
3760         } CYPoolCatch(NULL)
3761     } CYCatch
3762 }
3763
3764 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3765     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3766
3767     CYTry {
3768         return CYCastJSValue(context, sel_getName(internal->GetValue()));
3769     } CYCatch
3770 }
3771
3772 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3773     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
3774 }
3775
3776 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3777     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3778     const char *name(sel_getName(internal->GetValue()));
3779
3780     CYTry {
3781         CYPoolTry {
3782             return CYCastJSValue(context, CYJSString([NSString stringWithFormat:@"@selector(%s)", name]));
3783         } CYPoolCatch(NULL)
3784     } CYCatch
3785 }
3786
3787 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3788     CYTry {
3789         if (count != 1)
3790             _throw(NSInvalidArgumentException, "incorrect number of arguments to Selector.type");
3791         CYPool pool;
3792         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3793         if (Class _class = CYCastClass(pool, context, arguments[0])) {
3794             SEL sel(internal->GetValue());
3795             if (objc_method *method = class_getInstanceMethod(_class, sel))
3796                 if (const char *type = CYPoolTypeEncoding(pool, _class, sel, method))
3797                     return CYCastJSValue(context, CYJSString(type));
3798         }
3799
3800         // XXX: do a lookup of some kind
3801         return CYJSNull(context);
3802     } CYCatch
3803 }
3804 #endif
3805
3806 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3807     CYTry {
3808         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
3809         CYPool pool;
3810         const char *type(sig::Unparse(pool, internal->type_));
3811         return CYCastJSValue(context, CYJSString(type));
3812     } CYCatch
3813 }
3814
3815 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3816     CYTry {
3817         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
3818         CYPool pool;
3819         const char *type(sig::Unparse(pool, internal->type_));
3820         size_t size(strlen(type));
3821         char *cyon(new(pool) char[12 + size + 1]);
3822         memcpy(cyon, "new Type(\"", 10);
3823         cyon[12 + size] = '\0';
3824         cyon[12 + size - 2] = '"';
3825         cyon[12 + size - 1] = ')';
3826         memcpy(cyon + 10, type, size);
3827         return CYCastJSValue(context, CYJSString(cyon));
3828     } CYCatch
3829 }
3830
3831 static JSValueRef Type_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3832     return Type_callAsFunction_toString(context, object, _this, count, arguments, exception);
3833 }
3834
3835 #ifdef __OBJC__
3836 static JSStaticValue Selector_staticValues[2] = {
3837     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
3838     {NULL, NULL, NULL, 0}
3839 };
3840 #endif
3841
3842 static JSStaticValue Pointer_staticValues[2] = {
3843     {"$cyi", &Pointer_getProperty_$cyi, &Pointer_setProperty_$cyi, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3844     {NULL, NULL, NULL, 0}
3845 };
3846
3847 static JSStaticFunction Pointer_staticFunctions[4] = {
3848     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3849     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3850     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3851     {NULL, NULL, 0}
3852 };
3853
3854 static JSStaticFunction Struct_staticFunctions[2] = {
3855     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3856     {NULL, NULL, 0}
3857 };
3858
3859 static JSStaticFunction Functor_staticFunctions[4] = {
3860     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3861     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3862     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3863     {NULL, NULL, 0}
3864 };
3865
3866 #ifdef __OBJC__
3867 static JSStaticValue Instance_staticValues[5] = {
3868     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3869     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3870     {"prototype", &Instance_getProperty_protocol, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3871     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3872     {NULL, NULL, NULL, 0}
3873 };
3874
3875 static JSStaticFunction Instance_staticFunctions[5] = {
3876     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3877     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3878     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3879     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3880     {NULL, NULL, 0}
3881 };
3882
3883 static JSStaticFunction Internal_staticFunctions[2] = {
3884     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3885     {NULL, NULL, 0}
3886 };
3887
3888 static JSStaticFunction Selector_staticFunctions[5] = {
3889     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3890     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3891     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3892     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3893     {NULL, NULL, 0}
3894 };
3895 #endif
3896
3897 static JSStaticFunction Type_staticFunctions[4] = {
3898     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3899     {"toJSON", &Type_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3900     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3901     {NULL, NULL, 0}
3902 };
3903
3904 void CYSetArgs(int argc, const char *argv[]) {
3905     JSContextRef context(CYGetJSContext());
3906     JSValueRef args[argc];
3907     for (int i(0); i != argc; ++i)
3908         args[i] = CYCastJSValue(context, argv[i]);
3909     JSValueRef exception(NULL);
3910     JSObjectRef array(JSObjectMakeArray(context, argc, args, &exception));
3911     CYThrow(context, exception);
3912     CYSetProperty(context, System_, CYJSString("args"), array);
3913 }
3914
3915 JSObjectRef CYGetGlobalObject(JSContextRef context) {
3916     return JSContextGetGlobalObject(context);
3917 }
3918
3919 const char *CYExecute(apr_pool_t *pool, const char *code) {
3920     JSContextRef context(CYGetJSContext());
3921     JSValueRef exception(NULL), result;
3922
3923     const char *json;
3924
3925     CYPoolTry {
3926         try {
3927             result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception);
3928         } catch (const char *error) {
3929             return error;
3930         }
3931
3932         if (exception != NULL) { error:
3933             result = exception;
3934             exception = NULL;
3935         }
3936
3937         if (JSValueIsUndefined(context, result))
3938             return NULL;
3939
3940         try {
3941             json = CYPoolCCYON(pool, context, result, &exception);
3942         } catch (const char *error) {
3943             return error;
3944         }
3945
3946         if (exception != NULL)
3947             goto error;
3948     } CYPoolCatch(NULL)
3949
3950     CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
3951     return json;
3952 }
3953
3954 static apr_pool_t *Pool_;
3955
3956 apr_pool_t *CYGetGlobalPool() {
3957     return Pool_;
3958 }
3959
3960 MSInitialize {
3961     _aprcall(apr_initialize());
3962     _aprcall(apr_pool_create(&Pool_, NULL));
3963
3964     _sqlcall(sqlite3_open("/usr/lib/libcycript.db", &Bridge_));
3965
3966 #ifdef __OBJC__
3967     Type_privateData::Object = new(Pool_) Type_privateData(Pool_, "@");
3968     Type_privateData::Selector = new(Pool_) Type_privateData(Pool_, ":");
3969
3970 #ifdef __APPLE__
3971     NSCFBoolean_ = objc_getClass("NSCFBoolean");
3972     NSCFType_ = objc_getClass("NSCFType");
3973 #endif
3974
3975     NSArray_ = objc_getClass("NSArray");
3976     NSDictionary_ = objc_getClass("NSDictonary");
3977     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
3978     NSZombie_ = objc_getClass("_NSZombie_");
3979     Object_ = objc_getClass("Object");
3980 #endif
3981 }
3982
3983 JSGlobalContextRef CYGetJSContext() {
3984     if (Context_ == NULL) {
3985         JSClassDefinition definition;
3986
3987         definition = kJSClassDefinitionEmpty;
3988         definition.className = "Functor";
3989         definition.staticFunctions = Functor_staticFunctions;
3990         definition.callAsFunction = &Functor_callAsFunction;
3991         definition.finalize = &Finalize;
3992         Functor_ = JSClassCreate(&definition);
3993
3994         definition = kJSClassDefinitionEmpty;
3995         definition.className = "Pointer";
3996         definition.staticValues = Pointer_staticValues;
3997         definition.staticFunctions = Pointer_staticFunctions;
3998         definition.getProperty = &Pointer_getProperty;
3999         definition.setProperty = &Pointer_setProperty;
4000         definition.finalize = &Finalize;
4001         Pointer_ = JSClassCreate(&definition);
4002
4003         definition = kJSClassDefinitionEmpty;
4004         definition.className = "Struct";
4005         definition.staticFunctions = Struct_staticFunctions;
4006         definition.getProperty = &Struct_getProperty;
4007         definition.setProperty = &Struct_setProperty;
4008         definition.getPropertyNames = &Struct_getPropertyNames;
4009         definition.finalize = &Finalize;
4010         Struct_ = JSClassCreate(&definition);
4011
4012         definition = kJSClassDefinitionEmpty;
4013         definition.className = "Type";
4014         definition.staticFunctions = Type_staticFunctions;
4015         definition.getProperty = &Type_getProperty;
4016         definition.callAsFunction = &Type_callAsFunction;
4017         definition.callAsConstructor = &Type_callAsConstructor;
4018         definition.finalize = &Finalize;
4019         Type_privateData::Class_ = JSClassCreate(&definition);
4020
4021         definition = kJSClassDefinitionEmpty;
4022         definition.className = "Runtime";
4023         definition.getProperty = &Runtime_getProperty;
4024         Runtime_ = JSClassCreate(&definition);
4025
4026         definition = kJSClassDefinitionEmpty;
4027         //definition.getProperty = &Global_getProperty;
4028         JSClassRef Global(JSClassCreate(&definition));
4029
4030         JSGlobalContextRef context(JSGlobalContextCreate(Global));
4031         Context_ = context;
4032         JSObjectRef global(CYGetGlobalObject(context));
4033
4034         JSObjectSetPrototype(context, global, JSObjectMake(context, Runtime_, NULL));
4035
4036         Array_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array")));
4037         JSValueProtect(context, Array_);
4038
4039         Function_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function")));
4040         JSValueProtect(context, Function_);
4041
4042         String_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String")));
4043         JSValueProtect(context, String_);
4044
4045         length_ = JSStringCreateWithUTF8CString("length");
4046         message_ = JSStringCreateWithUTF8CString("message");
4047         name_ = JSStringCreateWithUTF8CString("name");
4048         prototype_ = JSStringCreateWithUTF8CString("prototype");
4049         toCYON_ = JSStringCreateWithUTF8CString("toCYON");
4050         toJSON_ = JSStringCreateWithUTF8CString("toJSON");
4051
4052         JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
4053         Object_prototype_ = CYCastJSObject(context, CYGetProperty(context, Object, prototype_));
4054         JSValueProtect(context, Object_prototype_);
4055
4056         Array_prototype_ = CYCastJSObject(context, CYGetProperty(context, Array_, prototype_));
4057         Array_pop_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("pop")));
4058         Array_push_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("push")));
4059         Array_splice_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("splice")));
4060
4061         CYSetProperty(context, Array_prototype_, toCYON_, JSObjectMakeFunctionWithCallback(context, toCYON_, &Array_callAsFunction_toCYON), kJSPropertyAttributeDontEnum);
4062
4063         JSValueProtect(context, Array_prototype_);
4064         JSValueProtect(context, Array_pop_);
4065         JSValueProtect(context, Array_push_);
4066         JSValueProtect(context, Array_splice_);
4067
4068         JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new));
4069
4070         JSValueRef function(CYGetProperty(context, Function_, prototype_));
4071
4072 /* Objective-C Classes {{{ */
4073 #ifdef __OBJC__
4074         definition = kJSClassDefinitionEmpty;
4075         definition.className = "Instance";
4076         definition.staticValues = Instance_staticValues;
4077         definition.staticFunctions = Instance_staticFunctions;
4078         definition.hasProperty = &Instance_hasProperty;
4079         definition.getProperty = &Instance_getProperty;
4080         definition.setProperty = &Instance_setProperty;
4081         definition.deleteProperty = &Instance_deleteProperty;
4082         definition.getPropertyNames = &Instance_getPropertyNames;
4083         definition.callAsConstructor = &Instance_callAsConstructor;
4084         definition.hasInstance = &Instance_hasInstance;
4085         definition.finalize = &Finalize;
4086         Instance_ = JSClassCreate(&definition);
4087
4088         definition = kJSClassDefinitionEmpty;
4089         definition.className = "Internal";
4090         definition.staticFunctions = Internal_staticFunctions;
4091         definition.hasProperty = &Internal_hasProperty;
4092         definition.getProperty = &Internal_getProperty;
4093         definition.setProperty = &Internal_setProperty;
4094         definition.getPropertyNames = &Internal_getPropertyNames;
4095         definition.finalize = &Finalize;
4096         Internal_ = JSClassCreate(&definition);
4097
4098         definition = kJSClassDefinitionEmpty;
4099         definition.className = "Message";
4100         definition.staticFunctions = Functor_staticFunctions;
4101         definition.callAsFunction = &Message_callAsFunction;
4102         definition.finalize = &Finalize;
4103         Message_ = JSClassCreate(&definition);
4104
4105         definition = kJSClassDefinitionEmpty;
4106         definition.className = "Messages";
4107         definition.hasProperty = &Messages_hasProperty;
4108         definition.getProperty = &Messages_getProperty;
4109         definition.setProperty = &Messages_setProperty;
4110 #if !__OBJC2__
4111         definition.deleteProperty = &Messages_deleteProperty;
4112 #endif
4113         definition.getPropertyNames = &Messages_getPropertyNames;
4114         definition.finalize = &Finalize;
4115         Messages_ = JSClassCreate(&definition);
4116
4117         definition = kJSClassDefinitionEmpty;
4118         definition.className = "Selector";
4119         definition.staticValues = Selector_staticValues;
4120         definition.staticFunctions = Selector_staticFunctions;
4121         definition.callAsFunction = &Selector_callAsFunction;
4122         definition.finalize = &Finalize;
4123         Selector_ = JSClassCreate(&definition);
4124
4125         definition = kJSClassDefinitionEmpty;
4126         definition.className = "Super";
4127         definition.staticFunctions = Internal_staticFunctions;
4128         definition.finalize = &Finalize;
4129         Super_ = JSClassCreate(&definition);
4130
4131         definition = kJSClassDefinitionEmpty;
4132         definition.className = "ObjectiveC::Classes";
4133         definition.getProperty = &ObjectiveC_Classes_getProperty;
4134         definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
4135         ObjectiveC_Classes_ = JSClassCreate(&definition);
4136
4137         definition = kJSClassDefinitionEmpty;
4138         definition.className = "ObjectiveC::Images";
4139         definition.getProperty = &ObjectiveC_Images_getProperty;
4140         definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
4141         ObjectiveC_Images_ = JSClassCreate(&definition);
4142
4143         definition = kJSClassDefinitionEmpty;
4144         definition.className = "ObjectiveC::Image::Classes";
4145         definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
4146         definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
4147         ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
4148
4149         definition = kJSClassDefinitionEmpty;
4150         definition.className = "ObjectiveC::Protocols";
4151         definition.getProperty = &ObjectiveC_Protocols_getProperty;
4152         definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
4153         ObjectiveC_Protocols_ = JSClassCreate(&definition);
4154
4155         JSObjectRef ObjectiveC(JSObjectMake(context, NULL, NULL));
4156         CYSetProperty(context, global, CYJSString("ObjectiveC"), ObjectiveC);
4157
4158         CYSetProperty(context, ObjectiveC, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
4159         CYSetProperty(context, ObjectiveC, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
4160         CYSetProperty(context, ObjectiveC, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
4161
4162         JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
4163         JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
4164         JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
4165         JSObjectRef Super(JSObjectMakeConstructor(context, Super_, &Super_new));
4166
4167         Instance_prototype_ = (JSObjectRef) CYGetProperty(context, Instance, prototype_);
4168         JSValueProtect(context, Instance_prototype_);
4169
4170         CYSetProperty(context, global, CYJSString("Instance"), Instance);
4171         CYSetProperty(context, global, CYJSString("Selector"), Selector);
4172         CYSetProperty(context, global, CYJSString("Super"), Super);
4173
4174         CYSetProperty(context, global, CYJSString("objc_registerClassPair"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_registerClassPair"), &objc_registerClassPair_));
4175         CYSetProperty(context, global, CYJSString("objc_msgSend"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_msgSend"), &$objc_msgSend));
4176
4177         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Message, prototype_), function);
4178         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Selector, prototype_), function);
4179 #endif
4180 /* }}} */
4181
4182         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Functor, prototype_), function);
4183
4184         CYSetProperty(context, global, CYJSString("Functor"), Functor);
4185         CYSetProperty(context, global, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new));
4186         CYSetProperty(context, global, CYJSString("Type"), JSObjectMakeConstructor(context, Type_privateData::Class_, &Type_new));
4187
4188 #ifdef __OBJC__
4189         MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
4190 #endif
4191
4192 #ifdef __OBJC__
4193 #ifdef __APPLE__
4194         class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
4195 #endif
4196 #endif
4197
4198         JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
4199         CYSetProperty(context, global, CYJSString("Cycript"), cycript);
4200         CYSetProperty(context, cycript, CYJSString("gc"), JSObjectMakeFunctionWithCallback(context, CYJSString("gc"), &Cycript_gc_callAsFunction));
4201
4202         CYSetProperty(context, global, CYJSString("$cyq"), JSObjectMakeFunctionWithCallback(context, CYJSString("$cyq"), &$cyq));
4203
4204         System_ = JSObjectMake(context, NULL, NULL);
4205         JSValueProtect(context, System_);
4206
4207         CYSetProperty(context, global, CYJSString("system"), System_);
4208         CYSetProperty(context, System_, CYJSString("args"), CYJSNull(context));
4209         //CYSetProperty(context, System_, CYJSString("global"), global);
4210
4211         CYSetProperty(context, System_, CYJSString("print"), JSObjectMakeFunctionWithCallback(context, CYJSString("print"), &System_print));
4212
4213         Result_ = JSStringCreateWithUTF8CString("_");
4214     }
4215
4216     return Context_;
4217 }