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