Library.mm

   1 /* Cycript - Remove 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 #define _GNU_SOURCE
  41
  42 #include <substrate.h>
  43 #include "cycript.hpp"
  44
  45 #include "sig/parse.hpp"
  46 #include "sig/ffi_type.hpp"
  47
  48 #include "Pooling.hpp"
  49 #include "Struct.hpp"
  50
  51 #include <CoreFoundation/CoreFoundation.h>
  52 #include <CoreFoundation/CFLogUtilities.h>
  53
  54 #include <JavaScriptCore/JSStringRefCF.h>
  55 #include <WebKit/WebScriptObject.h>
  56
  57 #include <sys/mman.h>
  58
  59 #include <iostream>
  60 #include <ext/stdio_filebuf.h>
  61 #include <set>
  62 #include <map>
  63
  64 #include <sstream>
  65 #include <cmath>
  66
  67 #include "Parser.hpp"
  68 #include "Cycript.tab.hh"
  69
  70 #include <apr-1/apr_thread_proc.h>
  71
  72 #undef _assert
  73 #undef _trace
  74
  75 #define _assert(test) do { \
  76     if (!(test)) \
  77         @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:[NSString stringWithFormat:@"_assert(%s):%s(%u):%s", #test, __FILE__, __LINE__, __FUNCTION__] userInfo:nil]; \
  78 } while (false)
  79
  80 #define _trace() do { \
  81     CFLog(kCFLogLevelNotice, CFSTR("_trace():%u"), __LINE__); \
  82 } while (false)
  83
  84 #define CYPoolTry { \
  85     id _saved(nil); \
  86     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
  87     @try
  88 #define CYPoolCatch(value) \
  89     @catch (NSException *error) { \
  90         _saved = [error retain]; \
  91         @throw; \
  92         return value; \
  93     } @finally { \
  94         [_pool release]; \
  95         if (_saved != nil) \
  96             [_saved autorelease]; \
  97     } \
  98 }
  99
 100 void CYThrow(JSContextRef context, JSValueRef value);
 101
 102 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value, JSValueRef *exception);
 103 JSStringRef CYCopyJSString(const char *value);
 104
 105 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value);
 106
 107 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)());
 108 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception);
 109
 110 /* JavaScript Properties {{{ */
 111 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) {
 112     JSValueRef exception(NULL);
 113     JSValueRef value(JSObjectGetPropertyAtIndex(context, object, index, &exception));
 114     CYThrow(context, exception);
 115     return value;
 116 }
 117
 118 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
 119     JSValueRef exception(NULL);
 120     JSValueRef value(JSObjectGetProperty(context, object, name, &exception));
 121     CYThrow(context, exception);
 122     return value;
 123 }
 124
 125 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value) {
 126     JSValueRef exception(NULL);
 127     JSObjectSetPropertyAtIndex(context, object, index, value, &exception);
 128     CYThrow(context, exception);
 129 }
 130
 131 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value) {
 132     JSValueRef exception(NULL);
 133     JSObjectSetProperty(context, object, name, value, kJSPropertyAttributeNone, &exception);
 134     CYThrow(context, exception);
 135 }
 136 /* }}} */
 137 /* JavaScript Strings {{{ */
 138 JSStringRef CYCopyJSString(id value) {
 139     // XXX: this definition scares me; is anyone using this?!
 140     return value == NULL ? NULL : JSStringCreateWithCFString(reinterpret_cast<CFStringRef>([value description]));
 141 }
 142
 143 JSStringRef CYCopyJSString(const char *value) {
 144     return value == NULL ? NULL : JSStringCreateWithUTF8CString(value);
 145 }
 146
 147 JSStringRef CYCopyJSString(JSStringRef value) {
 148     return value == NULL ? NULL : JSStringRetain(value);
 149 }
 150
 151 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
 152     if (JSValueIsNull(context, value))
 153         return NULL;
 154     JSValueRef exception(NULL);
 155     JSStringRef string(JSValueToStringCopy(context, value, &exception));
 156     CYThrow(context, exception);
 157     return string;
 158 }
 159
 160 class CYJSString {
 161   private:
 162     JSStringRef string_;
 163
 164     void Clear_() {
 165         if (string_ != NULL)
 166             JSStringRelease(string_);
 167     }
 168
 169   public:
 170     CYJSString(const CYJSString &rhs) :
 171         string_(CYCopyJSString(rhs.string_))
 172     {
 173     }
 174
 175     template <typename Arg0_>
 176     CYJSString(Arg0_ arg0) :
 177         string_(CYCopyJSString(arg0))
 178     {
 179     }
 180
 181     template <typename Arg0_, typename Arg1_>
 182     CYJSString(Arg0_ arg0, Arg1_ arg1) :
 183         string_(CYCopyJSString(arg0, arg1))
 184     {
 185     }
 186
 187     CYJSString &operator =(const CYJSString &rhs) {
 188         Clear_();
 189         string_ = CYCopyJSString(rhs.string_);
 190         return *this;
 191     }
 192
 193     ~CYJSString() {
 194         Clear_();
 195     }
 196
 197     void Clear() {
 198         Clear_();
 199         string_ = NULL;
 200     }
 201
 202     operator JSStringRef() const {
 203         return string_;
 204     }
 205 };
 206
 207 CFStringRef CYCopyCFString(JSStringRef value) {
 208     return JSStringCopyCFString(kCFAllocatorDefault, value);
 209 }
 210
 211 CFStringRef CYCopyCFString(JSContextRef context, JSValueRef value) {
 212     return CYCopyCFString(CYJSString(context, value));
 213 }
 214
 215 /* }}} */
 216
 217 static JSGlobalContextRef Context_;
 218 static JSObjectRef System_;
 219 static JSObjectRef ObjectiveC_;
 220
 221 static JSClassRef Functor_;
 222 static JSClassRef Instance_;
 223 static JSClassRef Internal_;
 224 static JSClassRef Message_;
 225 static JSClassRef Messages_;
 226 static JSClassRef NSArrayPrototype_;
 227 static JSClassRef Pointer_;
 228 static JSClassRef Runtime_;
 229 static JSClassRef Selector_;
 230 static JSClassRef Struct_;
 231 static JSClassRef Type_;
 232
 233 static JSClassRef ObjectiveC_Classes_;
 234 static JSClassRef ObjectiveC_Image_Classes_;
 235 static JSClassRef ObjectiveC_Images_;
 236 static JSClassRef ObjectiveC_Protocols_;
 237
 238 static JSObjectRef Array_;
 239 static JSObjectRef Function_;
 240 static JSObjectRef String_;
 241
 242 static JSStringRef Result_;
 243
 244 static JSStringRef length_;
 245 static JSStringRef message_;
 246 static JSStringRef name_;
 247 static JSStringRef prototype_;
 248 static JSStringRef toCYON_;
 249 static JSStringRef toJSON_;
 250
 251 static JSObjectRef Instance_prototype_;
 252 static JSObjectRef Object_prototype_;
 253
 254 static JSObjectRef Array_prototype_;
 255 static JSObjectRef Array_pop_;
 256 static JSObjectRef Array_push_;
 257 static JSObjectRef Array_splice_;
 258
 259 static Class NSArray_;
 260 static Class NSCFBoolean_;
 261 static Class NSCFType_;
 262 static Class NSDictionary_;
 263 static Class NSMessageBuilder_;
 264 static Class NSZombie_;
 265 static Class Object_;
 266
 267 static NSArray *Bridge_;
 268
 269 static void Finalize(JSObjectRef object) {
 270     delete reinterpret_cast<CYData *>(JSObjectGetPrivate(object));
 271 }
 272
 273 class Type_privateData;
 274
 275 struct CYValue :
 276     CYData
 277 {
 278     void *value_;
 279
 280     CYValue() {
 281     }
 282
 283     CYValue(void *value) :
 284         value_(value)
 285     {
 286     }
 287
 288     CYValue(const CYValue &rhs) :
 289         value_(rhs.value_)
 290     {
 291     }
 292
 293     virtual Type_privateData *GetType() const {
 294         return NULL;
 295     }
 296 };
 297
 298 struct Selector_privateData :
 299     CYValue
 300 {
 301     Selector_privateData(SEL value) :
 302         CYValue(value)
 303     {
 304     }
 305
 306     SEL GetValue() const {
 307         return reinterpret_cast<SEL>(value_);
 308     }
 309
 310     virtual Type_privateData *GetType() const;
 311 };
 312
 313 // XXX: trick this out with associated objects!
 314 JSValueRef CYGetClassPrototype(JSContextRef context, id self) {
 315     if (self == nil)
 316         return Instance_prototype_;
 317
 318     // XXX: I need to think through multi-context
 319     typedef std::map<Class, JSValueRef> CacheMap;
 320     static CacheMap cache_;
 321
 322     JSValueRef &value(cache_[self]);
 323     if (value != NULL)
 324         return value;
 325
 326     JSClassRef _class(NULL);
 327     JSValueRef prototype;
 328
 329     if (self == NSArray_)
 330         prototype = Array_prototype_;
 331     else if (self == NSDictionary_)
 332         prototype = Object_prototype_;
 333     else
 334         prototype = CYGetClassPrototype(context, class_getSuperclass(self));
 335
 336     JSObjectRef object(JSObjectMake(context, _class, NULL));
 337     JSObjectSetPrototype(context, object, prototype);
 338
 339     JSValueProtect(context, object);
 340     value = object;
 341     return object;
 342 }
 343
 344 struct Instance :
 345     CYValue
 346 {
 347     enum Flags {
 348         None          = 0,
 349         Transient     = (1 << 0),
 350         Uninitialized = (1 << 1),
 351     };
 352
 353     Flags flags_;
 354
 355     Instance(id value, Flags flags) :
 356         CYValue(value),
 357         flags_(flags)
 358     {
 359     }
 360
 361     virtual ~Instance() {
 362         if ((flags_ & Transient) == 0)
 363             // XXX: does this handle background threads correctly?
 364             // XXX: this simply does not work on the console because I'm stupid
 365             [GetValue() performSelector:@selector(release) withObject:nil afterDelay:0];
 366     }
 367
 368     static JSObjectRef Make(JSContextRef context, id object, Flags flags = None) {
 369         JSObjectRef value(JSObjectMake(context, Instance_, new Instance(object, flags)));
 370         JSObjectSetPrototype(context, value, CYGetClassPrototype(context, object == nil ? nil : object_getClass(object)));
 371         return value;
 372     }
 373
 374     id GetValue() const {
 375         return reinterpret_cast<id>(value_);
 376     }
 377
 378     bool IsUninitialized() const {
 379         return (flags_ & Uninitialized) != 0;
 380     }
 381
 382     virtual Type_privateData *GetType() const;
 383 };
 384
 385 struct Messages :
 386     CYValue
 387 {
 388     Messages(Class value) :
 389         CYValue(value)
 390     {
 391     }
 392
 393     static JSObjectRef Make(JSContextRef context, Class _class, bool array = false) {
 394         JSObjectRef value(JSObjectMake(context, Messages_, new Messages(_class)));
 395         if (_class == NSArray_)
 396             array = true;
 397         if (Class super = class_getSuperclass(_class))
 398             JSObjectSetPrototype(context, value, Messages::Make(context, super, array));
 399         /*else if (array)
 400             JSObjectSetPrototype(context, value, Array_prototype_);*/
 401         return value;
 402     }
 403
 404     Class GetValue() const {
 405         return reinterpret_cast<Class>(value_);
 406     }
 407 };
 408
 409 struct CYOwned :
 410     CYValue
 411 {
 412   private:
 413     JSContextRef context_;
 414     JSObjectRef owner_;
 415
 416   public:
 417     CYOwned(void *value, JSContextRef context, JSObjectRef owner) :
 418         CYValue(value),
 419         context_(context),
 420         owner_(owner)
 421     {
 422         JSValueProtect(context_, owner_);
 423     }
 424
 425     virtual ~CYOwned() {
 426         JSValueUnprotect(context_, owner_);
 427     }
 428
 429     JSObjectRef GetOwner() const {
 430         return owner_;
 431     }
 432 };
 433
 434 struct Internal :
 435     CYOwned
 436 {
 437     Internal(id value, JSContextRef context, JSObjectRef owner) :
 438         CYOwned(value, context, owner)
 439     {
 440     }
 441
 442     static JSObjectRef Make(JSContextRef context, id object, JSObjectRef owner) {
 443         return JSObjectMake(context, Internal_, new Internal(object, context, owner));
 444     }
 445
 446     id GetValue() const {
 447         return reinterpret_cast<id>(value_);
 448     }
 449 };
 450
 451 namespace sig {
 452
 453 void Copy(apr_pool_t *pool, Type &lhs, Type &rhs);
 454
 455 void Copy(apr_pool_t *pool, Element &lhs, Element &rhs) {
 456     lhs.name = apr_pstrdup(pool, rhs.name);
 457     if (rhs.type == NULL)
 458         lhs.type = NULL;
 459     else {
 460         lhs.type = new(pool) Type;
 461         Copy(pool, *lhs.type, *rhs.type);
 462     }
 463     lhs.offset = rhs.offset;
 464 }
 465
 466 void Copy(apr_pool_t *pool, Signature &lhs, Signature &rhs) {
 467     size_t count(rhs.count);
 468     lhs.count = count;
 469     lhs.elements = new(pool) Element[count];
 470     for (size_t index(0); index != count; ++index)
 471         Copy(pool, lhs.elements[index], rhs.elements[index]);
 472 }
 473
 474 void Copy(apr_pool_t *pool, Type &lhs, Type &rhs) {
 475     lhs.primitive = rhs.primitive;
 476     lhs.name = apr_pstrdup(pool, rhs.name);
 477     lhs.flags = rhs.flags;
 478
 479     if (sig::IsAggregate(rhs.primitive))
 480         Copy(pool, lhs.data.signature, rhs.data.signature);
 481     else {
 482         sig::Type *&lht(lhs.data.data.type);
 483         sig::Type *&rht(rhs.data.data.type);
 484
 485         if (rht == NULL)
 486             lht = NULL;
 487         else {
 488             lht = new(pool) Type;
 489             Copy(pool, *lht, *rht);
 490         }
 491
 492         lhs.data.data.size = rhs.data.data.size;
 493     }
 494 }
 495
 496 void Copy(apr_pool_t *pool, ffi_type &lhs, ffi_type &rhs) {
 497     lhs.size = rhs.size;
 498     lhs.alignment = rhs.alignment;
 499     lhs.type = rhs.type;
 500     if (rhs.elements == NULL)
 501         lhs.elements = NULL;
 502     else {
 503         size_t count(0);
 504         while (rhs.elements[count] != NULL)
 505             ++count;
 506
 507         lhs.elements = new(pool) ffi_type *[count + 1];
 508         lhs.elements[count] = NULL;
 509
 510         for (size_t index(0); index != count; ++index) {
 511             // XXX: if these are libffi native then you can just take them
 512             ffi_type *ffi(new(pool) ffi_type);
 513             lhs.elements[index] = ffi;
 514             sig::Copy(pool, *ffi, *rhs.elements[index]);
 515         }
 516     }
 517 }
 518
 519 }
 520
 521 struct CStringMapLess :
 522     std::binary_function<const char *, const char *, bool>
 523 {
 524     _finline bool operator ()(const char *lhs, const char *rhs) const {
 525         return strcmp(lhs, rhs) < 0;
 526     }
 527 };
 528
 529 void Structor_(apr_pool_t *pool, const char *name, const char *types, sig::Type *&type) {
 530     if (name == NULL)
 531         return;
 532
 533     CYPoolTry {
 534         if (NSMutableArray *entry = [[Bridge_ objectAtIndex:2] objectForKey:[NSString stringWithUTF8String:name]])
 535             switch ([[entry objectAtIndex:0] intValue]) {
 536                 case 0: {
 537                     sig::Parse(pool, &type->data.signature, [[entry objectAtIndex:1] UTF8String], &Structor_);
 538                 } break;
 539
 540                 case 1: {
 541                     sig::Signature signature;
 542                     sig::Parse(pool, &signature, [[entry objectAtIndex:1] UTF8String], &Structor_);
 543                     type = signature.elements[0].type;
 544                 } break;
 545             }
 546     } CYPoolCatch()
 547 }
 548
 549 struct Type_privateData :
 550     CYData
 551 {
 552     static Type_privateData *Object;
 553     static Type_privateData *Selector;
 554
 555     ffi_type *ffi_;
 556     sig::Type *type_;
 557
 558     void Set(sig::Type *type) {
 559         type_ = new(pool_) sig::Type;
 560         sig::Copy(pool_, *type_, *type);
 561     }
 562
 563     Type_privateData(apr_pool_t *pool, const char *type) :
 564         ffi_(NULL)
 565     {
 566         if (pool != NULL)
 567             pool_ = pool;
 568
 569         sig::Signature signature;
 570         sig::Parse(pool_, &signature, type, &Structor_);
 571         type_ = signature.elements[0].type;
 572     }
 573
 574     Type_privateData(sig::Type *type) :
 575         ffi_(NULL)
 576     {
 577         if (type != NULL)
 578             Set(type);
 579     }
 580
 581     Type_privateData(sig::Type *type, ffi_type *ffi) {
 582         ffi_ = new(pool_) ffi_type;
 583         sig::Copy(pool_, *ffi_, *ffi);
 584         Set(type);
 585     }
 586
 587     ffi_type *GetFFI() {
 588         if (ffi_ == NULL) {
 589             ffi_ = new(pool_) ffi_type;
 590
 591             sig::Element element;
 592             element.name = NULL;
 593             element.type = type_;
 594             element.offset = 0;
 595
 596             sig::Signature signature;
 597             signature.elements = &element;
 598             signature.count = 1;
 599
 600             ffi_cif cif;
 601             sig::sig_ffi_cif(pool_, &sig::ObjectiveC, &signature, &cif);
 602             *ffi_ = *cif.rtype;
 603         }
 604
 605         return ffi_;
 606     }
 607 };
 608
 609 Type_privateData *Type_privateData::Object;
 610 Type_privateData *Type_privateData::Selector;
 611
 612 Type_privateData *Instance::GetType() const {
 613     return Type_privateData::Object;
 614 }
 615
 616 Type_privateData *Selector_privateData::GetType() const {
 617     return Type_privateData::Selector;
 618 }
 619
 620 struct Pointer :
 621     CYOwned
 622 {
 623     Type_privateData *type_;
 624
 625     Pointer(void *value, JSContextRef context, JSObjectRef owner, sig::Type *type) :
 626         CYOwned(value, context, owner),
 627         type_(new(pool_) Type_privateData(type))
 628     {
 629     }
 630 };
 631
 632 struct Struct_privateData :
 633     CYOwned
 634 {
 635     Type_privateData *type_;
 636
 637     Struct_privateData(JSContextRef context, JSObjectRef owner) :
 638         CYOwned(NULL, context, owner)
 639     {
 640     }
 641 };
 642
 643 typedef std::map<const char *, Type_privateData *, CStringMapLess> TypeMap;
 644 static TypeMap Types_;
 645
 646 JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
 647     Struct_privateData *internal(new Struct_privateData(context, owner));
 648     apr_pool_t *pool(internal->pool_);
 649     Type_privateData *typical(new(pool) Type_privateData(type, ffi));
 650     internal->type_ = typical;
 651
 652     if (owner != NULL)
 653         internal->value_ = data;
 654     else {
 655         size_t size(typical->GetFFI()->size);
 656         void *copy(apr_palloc(internal->pool_, size));
 657         memcpy(copy, data, size);
 658         internal->value_ = copy;
 659     }
 660
 661     return JSObjectMake(context, Struct_, internal);
 662 }
 663
 664 struct Functor_privateData :
 665     CYValue
 666 {
 667     sig::Signature signature_;
 668     ffi_cif cif_;
 669
 670
 671     Functor_privateData(const char *type, void (*value)()) :
 672         CYValue(reinterpret_cast<void *>(value))
 673     {
 674         sig::Parse(pool_, &signature_, type, &Structor_);
 675         sig::sig_ffi_cif(pool_, &sig::ObjectiveC, &signature_, &cif_);
 676     }
 677
 678     void (*GetValue())() const {
 679         return reinterpret_cast<void (*)()>(value_);
 680     }
 681 };
 682
 683 struct Closure_privateData :
 684     Functor_privateData
 685 {
 686     JSContextRef context_;
 687     JSObjectRef function_;
 688
 689     Closure_privateData(JSContextRef context, JSObjectRef function, const char *type) :
 690         Functor_privateData(type, NULL),
 691         context_(context),
 692         function_(function)
 693     {
 694         JSValueProtect(context_, function_);
 695     }
 696
 697     virtual ~Closure_privateData() {
 698         JSValueUnprotect(context_, function_);
 699     }
 700 };
 701
 702 struct Message_privateData :
 703     Functor_privateData
 704 {
 705     SEL sel_;
 706
 707     Message_privateData(SEL sel, const char *type, IMP value = NULL) :
 708         Functor_privateData(type, reinterpret_cast<void (*)()>(value)),
 709         sel_(sel)
 710     {
 711     }
 712 };
 713
 714 JSObjectRef CYMakeInstance(JSContextRef context, id object, bool transient) {
 715     Instance::Flags flags;
 716
 717     if (transient)
 718         flags = Instance::Transient;
 719     else {
 720         flags = Instance::None;
 721         object = [object retain];
 722     }
 723
 724     return Instance::Make(context, object, flags);
 725 }
 726
 727 const char *CYPoolCString(apr_pool_t *pool, NSString *value) {
 728     if (pool == NULL)
 729         return [value UTF8String];
 730     else {
 731         size_t size([value maximumLengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1);
 732         char *string(new(pool) char[size]);
 733         if (![value getCString:string maxLength:size encoding:NSUTF8StringEncoding])
 734             @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:@"[NSString getCString:maxLength:encoding:] == NO" userInfo:nil];
 735         return string;
 736     }
 737 }
 738
 739 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
 740     return JSValueMakeBoolean(context, value);
 741 }
 742
 743 JSValueRef CYCastJSValue(JSContextRef context, double value) {
 744     return JSValueMakeNumber(context, value);
 745 }
 746
 747 #define CYCastJSValue_(Type_) \
 748     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
 749         return JSValueMakeNumber(context, static_cast<double>(value)); \
 750     }
 751
 752 CYCastJSValue_(int)
 753 CYCastJSValue_(unsigned int)
 754 CYCastJSValue_(long int)
 755 CYCastJSValue_(long unsigned int)
 756 CYCastJSValue_(long long int)
 757 CYCastJSValue_(long long unsigned int)
 758
 759 JSValueRef CYJSUndefined(JSContextRef context) {
 760     return JSValueMakeUndefined(context);
 761 }
 762
 763 size_t CYGetIndex(const char *value) {
 764     if (value[0] != '0') {
 765         char *end;
 766         size_t index(strtoul(value, &end, 10));
 767         if (value + strlen(value) == end)
 768             return index;
 769     } else if (value[1] == '\0')
 770         return 0;
 771     return _not(size_t);
 772 }
 773
 774 // XXX: fix this
 775 static const char *CYPoolCString(apr_pool_t *pool, JSStringRef value);
 776
 777 size_t CYGetIndex(apr_pool_t *pool, NSString *value) {
 778     return CYGetIndex(CYPoolCString(pool, value));
 779 }
 780
 781 size_t CYGetIndex(apr_pool_t *pool, JSStringRef value) {
 782     return CYGetIndex(CYPoolCString(pool, value));
 783 }
 784
 785 bool CYGetOffset(const char *value, ssize_t &index) {
 786     if (value[0] != '0') {
 787         char *end;
 788         index = strtol(value, &end, 10);
 789         if (value + strlen(value) == end)
 790             return true;
 791     } else if (value[1] == '\0') {
 792         index = 0;
 793         return true;
 794     }
 795
 796     return false;
 797 }
 798
 799 bool CYGetOffset(apr_pool_t *pool, NSString *value, ssize_t &index) {
 800     return CYGetOffset(CYPoolCString(pool, value), index);
 801 }
 802
 803 NSString *CYPoolNSCYON(apr_pool_t *pool, id value);
 804
 805 @interface NSMethodSignature (Cycript)
 806 - (NSString *) _typeString;
 807 @end
 808
 809 @interface NSObject (Cycript)
 810
 811 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 812 - (JSType) cy$JSType;
 813
 814 - (NSObject *) cy$toJSON:(NSString *)key;
 815 - (NSString *) cy$toCYON;
 816 - (NSString *) cy$toKey;
 817
 818 - (bool) cy$hasProperty:(NSString *)name;
 819 - (NSObject *) cy$getProperty:(NSString *)name;
 820 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value;
 821 - (bool) cy$deleteProperty:(NSString *)name;
 822
 823 @end
 824
 825 @protocol Cycript
 826 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context;
 827 @end
 828
 829 @interface NSString (Cycript)
 830 - (void *) cy$symbol;
 831 @end
 832
 833 struct PropertyAttributes {
 834     CYPool pool_;
 835
 836     const char *name;
 837
 838     const char *variable;
 839
 840     const char *getter_;
 841     const char *setter_;
 842
 843     bool readonly;
 844     bool copy;
 845     bool retain;
 846     bool nonatomic;
 847     bool dynamic;
 848     bool weak;
 849     bool garbage;
 850
 851     PropertyAttributes(objc_property_t property) :
 852         variable(NULL),
 853         getter_(NULL),
 854         setter_(NULL),
 855         readonly(false),
 856         copy(false),
 857         retain(false),
 858         nonatomic(false),
 859         dynamic(false),
 860         weak(false),
 861         garbage(false)
 862     {
 863         name = property_getName(property);
 864         const char *attributes(property_getAttributes(property));
 865
 866         for (char *state, *token(apr_strtok(apr_pstrdup(pool_, attributes), ",", &state)); token != NULL; token = apr_strtok(NULL, ",", &state)) {
 867             switch (*token) {
 868                 case 'R': readonly = true; break;
 869                 case 'C': copy = true; break;
 870                 case '&': retain = true; break;
 871                 case 'N': nonatomic = true; break;
 872                 case 'G': getter_ = token + 1; break;
 873                 case 'S': setter_ = token + 1; break;
 874                 case 'V': variable = token + 1; break;
 875             }
 876         }
 877
 878         /*if (variable == NULL) {
 879             variable = property_getName(property);
 880             size_t size(strlen(variable));
 881             char *name(new(pool_) char[size + 2]);
 882             name[0] = '_';
 883             memcpy(name + 1, variable, size);
 884             name[size + 1] = '\0';
 885             variable = name;
 886         }*/
 887     }
 888
 889     const char *Getter() {
 890         if (getter_ == NULL)
 891             getter_ = apr_pstrdup(pool_, name);
 892         return getter_;
 893     }
 894
 895     const char *Setter() {
 896         if (setter_ == NULL && !readonly) {
 897             size_t length(strlen(name));
 898
 899             char *temp(new(pool_) char[length + 5]);
 900             temp[0] = 's';
 901             temp[1] = 'e';
 902             temp[2] = 't';
 903
 904             if (length != 0) {
 905                 temp[3] = toupper(name[0]);
 906                 memcpy(temp + 4, name + 1, length - 1);
 907             }
 908
 909             temp[length + 3] = ':';
 910             temp[length + 4] = '\0';
 911             setter_ = temp;
 912         }
 913
 914         return setter_;
 915     }
 916
 917 };
 918
 919 NSString *NSCFType$cy$toJSON(id self, SEL sel, NSString *key) {
 920     return [(NSString *) CFCopyDescription((CFTypeRef) self) autorelease];
 921 }
 922
 923 /* Bridge: NSArray {{{ */
 924 @implementation NSArray (Cycript)
 925
 926 - (NSString *) cy$toCYON {
 927     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 928     [json appendString:@"["];
 929
 930     bool comma(false);
 931     for (id object in self) {
 932         if (comma)
 933             [json appendString:@","];
 934         else
 935             comma = true;
 936         if (object == nil || [object cy$JSType] != kJSTypeUndefined)
 937             [json appendString:CYPoolNSCYON(NULL, object)];
 938         else {
 939             [json appendString:@","];
 940             comma = false;
 941         }
 942     }
 943
 944     [json appendString:@"]"];
 945     return json;
 946 }
 947
 948 - (bool) cy$hasProperty:(NSString *)name {
 949     if ([name isEqualToString:@"length"])
 950         return true;
 951
 952     size_t index(CYGetIndex(NULL, name));
 953     if (index == _not(size_t) || index >= [self count])
 954         return [super cy$hasProperty:name];
 955     else
 956         return true;
 957 }
 958
 959 - (NSObject *) cy$getProperty:(NSString *)name {
 960     if ([name isEqualToString:@"length"])
 961         return [NSNumber numberWithUnsignedInteger:[self count]];
 962
 963     size_t index(CYGetIndex(NULL, name));
 964     if (index == _not(size_t) || index >= [self count])
 965         return [super cy$getProperty:name];
 966     else
 967         return [self objectAtIndex:index];
 968 }
 969
 970 @end
 971 /* }}} */
 972 /* Bridge: NSDictionary {{{ */
 973 @implementation NSDictionary (Cycript)
 974
 975 - (NSString *) cy$toCYON {
 976     NSMutableString *json([[[NSMutableString alloc] init] autorelease]);
 977     [json appendString:@"{"];
 978
 979     bool comma(false);
 980     for (id key in self) {
 981         if (comma)
 982             [json appendString:@","];
 983         else
 984             comma = true;
 985         [json appendString:[key cy$toKey]];
 986         [json appendString:@":"];
 987         NSObject *object([self objectForKey:key]);
 988         [json appendString:CYPoolNSCYON(NULL, object)];
 989     }
 990
 991     [json appendString:@"}"];
 992     return json;
 993 }
 994
 995 - (bool) cy$hasProperty:(NSString *)name {
 996     return [self objectForKey:name] != nil;
 997 }
 998
 999 - (NSObject *) cy$getProperty:(NSString *)name {
1000     return [self objectForKey:name];
1001 }
1002
1003 @end
1004 /* }}} */
1005 /* Bridge: NSMutableArray {{{ */
1006 @implementation NSMutableArray (Cycript)
1007
1008 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1009     if ([name isEqualToString:@"length"]) {
1010         // XXX: is this not intelligent?
1011         NSUInteger size([(NSNumber *)value unsignedIntegerValue]);
1012         NSUInteger count([self count]);
1013         if (size < count)
1014             [self removeObjectsInRange:NSMakeRange(size, count - size)];
1015         else if (size != count) {
1016             WebUndefined *undefined([WebUndefined undefined]);
1017             for (size_t i(count); i != size; ++i)
1018                 [self addObject:undefined];
1019         }
1020         return true;
1021     }
1022
1023     size_t index(CYGetIndex(NULL, name));
1024     if (index == _not(size_t))
1025         return [super cy$setProperty:name to:value];
1026
1027     id object(value ?: [NSNull null]);
1028
1029     size_t count([self count]);
1030     if (index < count)
1031         [self replaceObjectAtIndex:index withObject:object];
1032     else {
1033         if (index != count) {
1034             WebUndefined *undefined([WebUndefined undefined]);
1035             for (size_t i(count); i != index; ++i)
1036                 [self addObject:undefined];
1037         }
1038
1039         [self addObject:object];
1040     }
1041
1042     return true;
1043 }
1044
1045 - (bool) cy$deleteProperty:(NSString *)name {
1046     size_t index(CYGetIndex(NULL, name));
1047     if (index == _not(size_t) || index >= [self count])
1048         return [super cy$deleteProperty:name];
1049     [self replaceObjectAtIndex:index withObject:[WebUndefined undefined]];
1050     return true;
1051 }
1052
1053 @end
1054 /* }}} */
1055 /* Bridge: NSMutableDictionary {{{ */
1056 @implementation NSMutableDictionary (Cycript)
1057
1058 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1059     [self setObject:(value ?: [NSNull null]) forKey:name];
1060     return true;
1061 }
1062
1063 - (bool) cy$deleteProperty:(NSString *)name {
1064     if ([self objectForKey:name] == nil)
1065         return false;
1066     else {
1067         [self removeObjectForKey:name];
1068         return true;
1069     }
1070 }
1071
1072 @end
1073 /* }}} */
1074 /* Bridge: NSNumber {{{ */
1075 @implementation NSNumber (Cycript)
1076
1077 - (JSType) cy$JSType {
1078     // XXX: this just seems stupid
1079     return [self class] == NSCFBoolean_ ? kJSTypeBoolean : kJSTypeNumber;
1080 }
1081
1082 - (NSObject *) cy$toJSON:(NSString *)key {
1083     return self;
1084 }
1085
1086 - (NSString *) cy$toCYON {
1087     return [self cy$JSType] != kJSTypeBoolean ? [self stringValue] : [self boolValue] ? @"true" : @"false";
1088 }
1089
1090 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1091     return [self cy$JSType] != kJSTypeBoolean ? CYCastJSValue(context, [self doubleValue]) : CYCastJSValue(context, [self boolValue]);
1092 }
1093
1094 @end
1095 /* }}} */
1096 /* Bridge: NSNull {{{ */
1097 @implementation NSNull (Cycript)
1098
1099 - (JSType) cy$JSType {
1100     return kJSTypeNull;
1101 }
1102
1103 - (NSObject *) cy$toJSON:(NSString *)key {
1104     return self;
1105 }
1106
1107 - (NSString *) cy$toCYON {
1108     return @"null";
1109 }
1110
1111 @end
1112 /* }}} */
1113 /* Bridge: NSObject {{{ */
1114 @implementation NSObject (Cycript)
1115
1116 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1117     return CYMakeInstance(context, self, false);
1118 }
1119
1120 - (JSType) cy$JSType {
1121     return kJSTypeObject;
1122 }
1123
1124 - (NSObject *) cy$toJSON:(NSString *)key {
1125     return [self description];
1126 }
1127
1128 - (NSString *) cy$toCYON {
1129     return [[self cy$toJSON:@""] cy$toCYON];
1130 }
1131
1132 - (NSString *) cy$toKey {
1133     return [self cy$toCYON];
1134 }
1135
1136 - (bool) cy$hasProperty:(NSString *)name {
1137     return false;
1138 }
1139
1140 - (NSObject *) cy$getProperty:(NSString *)name {
1141     return nil;
1142 }
1143
1144 - (bool) cy$setProperty:(NSString *)name to:(NSObject *)value {
1145     return false;
1146 }
1147
1148 - (bool) cy$deleteProperty:(NSString *)name {
1149     return false;
1150 }
1151
1152 @end
1153 /* }}} */
1154 /* Bridge: NSProxy {{{ */
1155 @implementation NSProxy (Cycript)
1156
1157 - (NSObject *) cy$toJSON:(NSString *)key {
1158     return [self description];
1159 }
1160
1161 - (NSString *) cy$toCYON {
1162     return [[self cy$toJSON:@""] cy$toCYON];
1163 }
1164
1165 @end
1166 /* }}} */
1167 /* Bridge: NSString {{{ */
1168 @implementation NSString (Cycript)
1169
1170 - (JSType) cy$JSType {
1171     return kJSTypeString;
1172 }
1173
1174 - (NSObject *) cy$toJSON:(NSString *)key {
1175     return self;
1176 }
1177
1178 - (NSString *) cy$toCYON {
1179     // XXX: this should use the better code from Output.cpp
1180     CFMutableStringRef json(CFStringCreateMutableCopy(kCFAllocatorDefault, 0, (CFStringRef) self));
1181
1182     CFStringFindAndReplace(json, CFSTR("\\"), CFSTR("\\\\"), CFRangeMake(0, CFStringGetLength(json)), 0);
1183     CFStringFindAndReplace(json, CFSTR("\""), CFSTR("\\\""), CFRangeMake(0, CFStringGetLength(json)), 0);
1184     CFStringFindAndReplace(json, CFSTR("\t"), CFSTR("\\t"), CFRangeMake(0, CFStringGetLength(json)), 0);
1185     CFStringFindAndReplace(json, CFSTR("\r"), CFSTR("\\r"), CFRangeMake(0, CFStringGetLength(json)), 0);
1186     CFStringFindAndReplace(json, CFSTR("\n"), CFSTR("\\n"), CFRangeMake(0, CFStringGetLength(json)), 0);
1187
1188     CFStringInsert(json, 0, CFSTR("\""));
1189     CFStringAppend(json, CFSTR("\""));
1190
1191     return [reinterpret_cast<const NSString *>(json) autorelease];
1192 }
1193
1194 - (NSString *) cy$toKey {
1195     const char *value([self UTF8String]);
1196     size_t size(strlen(value));
1197
1198     if (size == 0)
1199         goto cyon;
1200
1201     if (DigitRange_[value[0]]) {
1202         size_t index(CYGetIndex(NULL, self));
1203         if (index == _not(size_t))
1204             goto cyon;
1205     } else {
1206         if (!WordStartRange_[value[0]])
1207             goto cyon;
1208         for (size_t i(1); i != size; ++i)
1209             if (!WordEndRange_[value[i]])
1210                 goto cyon;
1211     }
1212
1213     return self;
1214
1215   cyon:
1216     return [self cy$toCYON];
1217 }
1218
1219 - (void *) cy$symbol {
1220     CYPool pool;
1221     return dlsym(RTLD_DEFAULT, CYPoolCString(pool, self));
1222 }
1223
1224 @end
1225 /* }}} */
1226 /* Bridge: WebUndefined {{{ */
1227 @implementation WebUndefined (Cycript)
1228
1229 - (JSType) cy$JSType {
1230     return kJSTypeUndefined;
1231 }
1232
1233 - (NSObject *) cy$toJSON:(NSString *)key {
1234     return self;
1235 }
1236
1237 - (NSString *) cy$toCYON {
1238     return @"undefined";
1239 }
1240
1241 - (JSValueRef) cy$JSValueInContext:(JSContextRef)context {
1242     return CYJSUndefined(context);
1243 }
1244
1245 @end
1246 /* }}} */
1247
1248 @interface CYJSObject : NSMutableDictionary {
1249     JSObjectRef object_;
1250     JSContextRef context_;
1251 }
1252
1253 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
1254
1255 - (NSString *) cy$toJSON:(NSString *)key;
1256
1257 - (NSUInteger) count;
1258 - (id) objectForKey:(id)key;
1259 - (NSEnumerator *) keyEnumerator;
1260 - (void) setObject:(id)object forKey:(id)key;
1261 - (void) removeObjectForKey:(id)key;
1262
1263 @end
1264
1265 @interface CYJSArray : NSMutableArray {
1266     JSObjectRef object_;
1267     JSContextRef context_;
1268 }
1269
1270 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context;
1271
1272 - (NSUInteger) count;
1273 - (id) objectAtIndex:(NSUInteger)index;
1274
1275 - (void) addObject:(id)anObject;
1276 - (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
1277 - (void) removeLastObject;
1278 - (void) removeObjectAtIndex:(NSUInteger)index;
1279 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
1280
1281 @end
1282
1283 CYRange DigitRange_    (0x3ff000000000000LLU, 0x000000000000000LLU); // 0-9
1284 CYRange WordStartRange_(0x000001000000000LLU, 0x7fffffe87fffffeLLU); // A-Za-z_$
1285 CYRange WordEndRange_  (0x3ff001000000000LLU, 0x7fffffe87fffffeLLU); // A-Za-z_$0-9
1286
1287 #define CYTry \
1288     @try
1289 #define CYCatch \
1290     @catch (id error) { \
1291         CYThrow(context, error, exception); \
1292         return NULL; \
1293     }
1294
1295 apr_status_t CYPoolRelease_(void *data) {
1296     id object(reinterpret_cast<id>(data));
1297     [object release];
1298     return APR_SUCCESS;
1299 }
1300
1301 id CYPoolRelease(apr_pool_t *pool, id object) {
1302     if (object == nil)
1303         return nil;
1304     else if (pool == NULL)
1305         return [object autorelease];
1306     else {
1307         apr_pool_cleanup_register(pool, object, &CYPoolRelease_, &apr_pool_cleanup_null);
1308         return object;
1309     }
1310 }
1311
1312 CFTypeRef CYPoolRelease(apr_pool_t *pool, CFTypeRef object) {
1313     return (CFTypeRef) CYPoolRelease(pool, (id) object);
1314 }
1315
1316 id CYCastNSObject_(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
1317     JSValueRef exception(NULL);
1318     bool array(JSValueIsInstanceOfConstructor(context, object, Array_, &exception));
1319     CYThrow(context, exception);
1320     id value(array ? [CYJSArray alloc] : [CYJSObject alloc]);
1321     return CYPoolRelease(pool, [value initWithJSObject:object inContext:context]);
1322 }
1323
1324 id CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSObjectRef object) {
1325     if (!JSValueIsObjectOfClass(context, object, Instance_))
1326         return CYCastNSObject_(pool, context, object);
1327     else {
1328         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
1329         return internal->GetValue();
1330     }
1331 }
1332
1333 double CYCastDouble(const char *value, size_t size) {
1334     char *end;
1335     double number(strtod(value, &end));
1336     if (end != value + size)
1337         return NAN;
1338     return number;
1339 }
1340
1341 double CYCastDouble(const char *value) {
1342     return CYCastDouble(value, strlen(value));
1343 }
1344
1345 double CYCastDouble(JSContextRef context, JSValueRef value) {
1346     JSValueRef exception(NULL);
1347     double number(JSValueToNumber(context, value, &exception));
1348     CYThrow(context, exception);
1349     return number;
1350 }
1351
1352 CFNumberRef CYCopyCFNumber(JSContextRef context, JSValueRef value) {
1353     double number(CYCastDouble(context, value));
1354     return CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &number);
1355 }
1356
1357 CFStringRef CYCopyCFString(const char *value) {
1358     return CFStringCreateWithCString(kCFAllocatorDefault, value, kCFStringEncodingUTF8);
1359 }
1360
1361 NSString *CYCastNSString(apr_pool_t *pool, const char *value) {
1362     return (NSString *) CYPoolRelease(pool, CYCopyCFString(value));
1363 }
1364
1365 NSString *CYCastNSString(apr_pool_t *pool, JSStringRef value) {
1366     return (NSString *) CYPoolRelease(pool, CYCopyCFString(value));
1367 }
1368
1369 bool CYCastBool(JSContextRef context, JSValueRef value) {
1370     return JSValueToBoolean(context, value);
1371 }
1372
1373 CFTypeRef CYCFType(apr_pool_t *pool, JSContextRef context, JSValueRef value, bool cast) {
1374     CFTypeRef object;
1375     bool copy;
1376
1377     switch (JSType type = JSValueGetType(context, value)) {
1378         case kJSTypeUndefined:
1379             object = [WebUndefined undefined];
1380             copy = false;
1381         break;
1382
1383         case kJSTypeNull:
1384             return NULL;
1385         break;
1386
1387         case kJSTypeBoolean:
1388             object = CYCastBool(context, value) ? kCFBooleanTrue : kCFBooleanFalse;
1389             copy = false;
1390         break;
1391
1392         case kJSTypeNumber:
1393             object = CYCopyCFNumber(context, value);
1394             copy = true;
1395         break;
1396
1397         case kJSTypeString:
1398             object = CYCopyCFString(context, value);
1399             copy = true;
1400         break;
1401
1402         case kJSTypeObject:
1403             // XXX: this might could be more efficient
1404             object = (CFTypeRef) CYCastNSObject(pool, context, (JSObjectRef) value);
1405             copy = false;
1406         break;
1407
1408         default:
1409             @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:[NSString stringWithFormat:@"JSValueGetType() == 0x%x", type] userInfo:nil];
1410         break;
1411     }
1412
1413     if (cast != copy)
1414         return object;
1415     else if (copy)
1416         return CYPoolRelease(pool, object);
1417     else
1418         return CFRetain(object);
1419 }
1420
1421 CFTypeRef CYCastCFType(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1422     return CYCFType(pool, context, value, true);
1423 }
1424
1425 CFTypeRef CYCopyCFType(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1426     return CYCFType(pool, context, value, false);
1427 }
1428
1429 NSArray *CYCastNSArray(JSPropertyNameArrayRef names) {
1430     CYPool pool;
1431     size_t size(JSPropertyNameArrayGetCount(names));
1432     NSMutableArray *array([NSMutableArray arrayWithCapacity:size]);
1433     for (size_t index(0); index != size; ++index)
1434         [array addObject:CYCastNSString(pool, JSPropertyNameArrayGetNameAtIndex(names, index))];
1435     return array;
1436 }
1437
1438 id CYCastNSObject(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1439     return reinterpret_cast<const NSObject *>(CYCastCFType(pool, context, value));
1440 }
1441
1442 void CYThrow(JSContextRef context, JSValueRef value) {
1443     if (value == NULL)
1444         return;
1445     @throw CYCastNSObject(NULL, context, value);
1446 }
1447
1448 JSValueRef CYJSNull(JSContextRef context) {
1449     return JSValueMakeNull(context);
1450 }
1451
1452 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) {
1453     return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value);
1454 }
1455
1456 JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
1457     return CYCastJSValue(context, CYJSString(value));
1458 }
1459
1460 JSValueRef CYCastJSValue(JSContextRef context, id value) {
1461     if (value == nil)
1462         return CYJSNull(context);
1463     else if ([value respondsToSelector:@selector(cy$JSValueInContext:)])
1464         return [value cy$JSValueInContext:context];
1465     else
1466         return CYMakeInstance(context, value, false);
1467 }
1468
1469 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
1470     JSValueRef exception(NULL);
1471     JSObjectRef object(JSValueToObject(context, value, &exception));
1472     CYThrow(context, exception);
1473     return object;
1474 }
1475
1476 void CYThrow(JSContextRef context, id error, JSValueRef *exception) {
1477     if (exception == NULL)
1478         throw error;
1479     *exception = CYCastJSValue(context, error);
1480 }
1481
1482 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, JSValueRef arguments[]) {
1483     JSValueRef exception(NULL);
1484     JSValueRef value(JSObjectCallAsFunction(context, function, _this, count, arguments, &exception));
1485     CYThrow(context, exception);
1486     return value;
1487 }
1488
1489 bool CYIsCallable(JSContextRef context, JSValueRef value) {
1490     // XXX: this isn't actually correct
1491     return value != NULL && JSValueIsObject(context, value);
1492 }
1493
1494 @implementation CYJSObject
1495
1496 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context {
1497     if ((self = [super init]) != nil) {
1498         object_ = object;
1499         context_ = context;
1500         JSValueProtect(context_, object_);
1501     } return self;
1502 }
1503
1504 - (void) dealloc {
1505     JSValueUnprotect(context_, object_);
1506     [super dealloc];
1507 }
1508
1509 - (NSObject *) cy$toJSON:(NSString *)key {
1510     JSValueRef toJSON(CYGetProperty(context_, object_, toJSON_));
1511     if (!CYIsCallable(context_, toJSON))
1512         return [super cy$toJSON:key];
1513     else {
1514         JSValueRef arguments[1] = {CYCastJSValue(context_, key)};
1515         JSValueRef value(CYCallAsFunction(context_, (JSObjectRef) toJSON, object_, 1, arguments));
1516         // XXX: do I really want an NSNull here?!
1517         return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1518     }
1519 }
1520
1521 - (NSString *) cy$toCYON {
1522     JSValueRef toCYON(CYGetProperty(context_, object_, toCYON_));
1523     if (!CYIsCallable(context_, toCYON)) super:
1524         return [super cy$toCYON];
1525     else if (JSValueRef value = CYCallAsFunction(context_, (JSObjectRef) toCYON, object_, 0, NULL))
1526         return CYCastNSString(NULL, CYJSString(context_, value));
1527     else goto super;
1528 }
1529
1530 - (NSUInteger) count {
1531     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1532     size_t size(JSPropertyNameArrayGetCount(names));
1533     JSPropertyNameArrayRelease(names);
1534     return size;
1535 }
1536
1537 - (id) objectForKey:(id)key {
1538     JSValueRef value(CYGetProperty(context_, object_, CYJSString(key)));
1539     if (JSValueIsUndefined(context_, value))
1540         return nil;
1541     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1542 }
1543
1544 - (NSEnumerator *) keyEnumerator {
1545     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context_, object_));
1546     NSEnumerator *enumerator([CYCastNSArray(names) objectEnumerator]);
1547     JSPropertyNameArrayRelease(names);
1548     return enumerator;
1549 }
1550
1551 - (void) setObject:(id)object forKey:(id)key {
1552     CYSetProperty(context_, object_, CYJSString(key), CYCastJSValue(context_, object));
1553 }
1554
1555 - (void) removeObjectForKey:(id)key {
1556     JSValueRef exception(NULL);
1557     (void) JSObjectDeleteProperty(context_, object_, CYJSString(key), &exception);
1558     CYThrow(context_, exception);
1559 }
1560
1561 @end
1562
1563 @implementation CYJSArray
1564
1565 - (id) initWithJSObject:(JSObjectRef)object inContext:(JSContextRef)context {
1566     if ((self = [super init]) != nil) {
1567         object_ = object;
1568         context_ = context;
1569         JSValueProtect(context_, object_);
1570     } return self;
1571 }
1572
1573 - (void) dealloc {
1574     JSValueUnprotect(context_, object_);
1575     [super dealloc];
1576 }
1577
1578 - (NSUInteger) count {
1579     return CYCastDouble(context_, CYGetProperty(context_, object_, length_));
1580 }
1581
1582 - (id) objectAtIndex:(NSUInteger)index {
1583     size_t bounds([self count]);
1584     if (index >= bounds)
1585         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray objectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1586     JSValueRef exception(NULL);
1587     JSValueRef value(JSObjectGetPropertyAtIndex(context_, object_, index, &exception));
1588     CYThrow(context_, exception);
1589     return CYCastNSObject(NULL, context_, value) ?: [NSNull null];
1590 }
1591
1592 - (void) addObject:(id)object {
1593     JSValueRef exception(NULL);
1594     JSValueRef arguments[1];
1595     arguments[0] = CYCastJSValue(context_, object);
1596     JSObjectCallAsFunction(context_, Array_push_, object_, 1, arguments, &exception);
1597     CYThrow(context_, exception);
1598 }
1599
1600 - (void) insertObject:(id)object atIndex:(NSUInteger)index {
1601     size_t bounds([self count] + 1);
1602     if (index >= bounds)
1603         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray insertObject:atIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1604     JSValueRef exception(NULL);
1605     JSValueRef arguments[3];
1606     arguments[0] = CYCastJSValue(context_, index);
1607     arguments[1] = CYCastJSValue(context_, 0);
1608     arguments[2] = CYCastJSValue(context_, object);
1609     JSObjectCallAsFunction(context_, Array_splice_, object_, 3, arguments, &exception);
1610     CYThrow(context_, exception);
1611 }
1612
1613 - (void) removeLastObject {
1614     JSValueRef exception(NULL);
1615     JSObjectCallAsFunction(context_, Array_pop_, object_, 0, NULL, &exception);
1616     CYThrow(context_, exception);
1617 }
1618
1619 - (void) removeObjectAtIndex:(NSUInteger)index {
1620     size_t bounds([self count]);
1621     if (index >= bounds)
1622         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray removeObjectAtIndex:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1623     JSValueRef exception(NULL);
1624     JSValueRef arguments[2];
1625     arguments[0] = CYCastJSValue(context_, index);
1626     arguments[1] = CYCastJSValue(context_, 1);
1627     JSObjectCallAsFunction(context_, Array_splice_, object_, 2, arguments, &exception);
1628     CYThrow(context_, exception);
1629 }
1630
1631 - (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)object {
1632     size_t bounds([self count]);
1633     if (index >= bounds)
1634         @throw [NSException exceptionWithName:NSRangeException reason:[NSString stringWithFormat:@"*** -[CYJSArray replaceObjectAtIndex:withObject:]: index (%zu) beyond bounds (%zu)", index, bounds] userInfo:nil];
1635     CYSetProperty(context_, object_, index, CYCastJSValue(context_, object));
1636 }
1637
1638 @end
1639
1640 NSString *CYCopyNSCYON(id value) {
1641     NSString *string;
1642
1643     if (value == nil)
1644         string = @"nil";
1645     else {
1646         Class _class(object_getClass(value));
1647         SEL sel(@selector(cy$toCYON));
1648
1649         if (Method toCYON = class_getInstanceMethod(_class, sel))
1650             string = reinterpret_cast<NSString *(*)(id, SEL)>(method_getImplementation(toCYON))(value, sel);
1651         else if (Method methodSignatureForSelector = class_getInstanceMethod(_class, @selector(methodSignatureForSelector:))) {
1652             if (reinterpret_cast<NSMethodSignature *(*)(id, SEL, SEL)>(method_getImplementation(methodSignatureForSelector))(value, @selector(methodSignatureForSelector:), sel) != nil)
1653                 string = [value cy$toCYON];
1654             else goto fail;
1655         } else fail: {
1656             if (value == NSZombie_)
1657                 string = @"_NSZombie_";
1658             else if (_class == NSZombie_)
1659                 string = [NSString stringWithFormat:@"<_NSZombie_: %p>", value];
1660             // XXX: frowny /in/ the pants
1661             else if (value == NSMessageBuilder_ || value == Object_)
1662                 string = nil;
1663             else
1664                 string = [NSString stringWithFormat:@"%@", value];
1665         }
1666
1667         // XXX: frowny pants
1668         if (string == nil)
1669             string = @"undefined";
1670     }
1671
1672     return [string retain];
1673 }
1674
1675 NSString *CYCopyNSCYON(JSContextRef context, JSValueRef value, JSValueRef *exception) {
1676     if (JSValueIsNull(context, value))
1677         return [@"null" retain];
1678
1679     CYTry {
1680         CYPoolTry {
1681             return CYCopyNSCYON(CYCastNSObject(NULL, context, value));
1682         } CYPoolCatch(NULL)
1683     } CYCatch
1684 }
1685
1686 NSString *CYPoolNSCYON(apr_pool_t *pool, id value) {
1687     return CYPoolRelease(pool, static_cast<id>(CYCopyNSCYON(value)));
1688 }
1689
1690 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value, JSValueRef *exception) {
1691     if (NSString *json = CYCopyNSCYON(context, value, exception)) {
1692         const char *string(CYPoolCString(pool, json));
1693         [json release];
1694         return string;
1695     } else return NULL;
1696 }
1697
1698 // XXX: use objc_getAssociatedObject and objc_setAssociatedObject on 10.6
1699 struct CYInternal :
1700     CYData
1701 {
1702     JSObjectRef object_;
1703
1704     CYInternal() :
1705         object_(NULL)
1706     {
1707     }
1708
1709     ~CYInternal() {
1710         // XXX: delete object_? ;(
1711     }
1712
1713     static CYInternal *Get(id self) {
1714         CYInternal *internal(NULL);
1715         if (object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal)) == NULL) {
1716             // XXX: do something epic? ;P
1717         }
1718
1719         return internal;
1720     }
1721
1722     static CYInternal *Set(id self) {
1723         CYInternal *internal(NULL);
1724         if (Ivar ivar = object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal))) {
1725             if (internal == NULL) {
1726                 internal = new CYInternal();
1727                 object_setIvar(self, ivar, reinterpret_cast<id>(internal));
1728             }
1729         } else {
1730             // XXX: do something epic? ;P
1731         }
1732
1733         return internal;
1734     }
1735
1736     bool HasProperty(JSContextRef context, JSStringRef name) {
1737         if (object_ == NULL)
1738             return false;
1739         return JSObjectHasProperty(context, object_, name);
1740     }
1741
1742     JSValueRef GetProperty(JSContextRef context, JSStringRef name) {
1743         if (object_ == NULL)
1744             return NULL;
1745         return CYGetProperty(context, object_, name);
1746     }
1747
1748     void SetProperty(JSContextRef context, JSStringRef name, JSValueRef value) {
1749         if (object_ == NULL)
1750             object_ = JSObjectMake(context, NULL, NULL);
1751         CYSetProperty(context, object_, name, value);
1752     }
1753 };
1754
1755 static JSObjectRef CYMakeSelector(JSContextRef context, SEL sel) {
1756     Selector_privateData *internal(new Selector_privateData(sel));
1757     return JSObjectMake(context, Selector_, internal);
1758 }
1759
1760 static JSObjectRef CYMakePointer(JSContextRef context, void *pointer, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
1761     Pointer *internal(new Pointer(pointer, context, owner, type));
1762     return JSObjectMake(context, Pointer_, internal);
1763 }
1764
1765 static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) {
1766     Functor_privateData *internal(new Functor_privateData(type, function));
1767     return JSObjectMake(context, Functor_, internal);
1768 }
1769
1770 static const char *CYPoolCString(apr_pool_t *pool, JSStringRef value) {
1771     if (pool == NULL) {
1772         // XXX: this could be much more efficient
1773         const char *string([CYCastNSString(NULL, value) UTF8String]);
1774         return string;
1775     } else {
1776         size_t size(JSStringGetMaximumUTF8CStringSize(value));
1777         char *string(new(pool) char[size]);
1778         JSStringGetUTF8CString(value, string, size);
1779         return string;
1780     }
1781 }
1782
1783 static const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef value) {
1784     return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, CYJSString(context, value));
1785 }
1786
1787 static bool CYGetOffset(apr_pool_t *pool, JSStringRef value, ssize_t &index) {
1788     return CYGetOffset(CYPoolCString(pool, value), index);
1789 }
1790
1791 // XXX: this macro is unhygenic
1792 #define CYCastCString(context, value) ({ \
1793     char *utf8; \
1794     if (value == NULL) \
1795         utf8 = NULL; \
1796     else if (JSStringRef string = CYCopyJSString(context, value)) { \
1797         size_t size(JSStringGetMaximumUTF8CStringSize(string)); \
1798         utf8 = reinterpret_cast<char *>(alloca(size)); \
1799         JSStringGetUTF8CString(string, utf8, size); \
1800         JSStringRelease(string); \
1801     } else \
1802         utf8 = NULL; \
1803     utf8; \
1804 })
1805
1806 static void *CYCastPointer_(JSContextRef context, JSValueRef value) {
1807     switch (JSValueGetType(context, value)) {
1808         case kJSTypeNull:
1809             return NULL;
1810         /*case kJSTypeString:
1811             return dlsym(RTLD_DEFAULT, CYCastCString(context, value));
1812         case kJSTypeObject:
1813             if (JSValueIsObjectOfClass(context, value, Pointer_)) {
1814                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate((JSObjectRef) value)));
1815                 return internal->value_;
1816             }*/
1817         default:
1818             double number(CYCastDouble(context, value));
1819             if (std::isnan(number))
1820                 @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"cannot convert value to pointer" userInfo:nil];
1821             return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
1822     }
1823 }
1824
1825 template <typename Type_>
1826 static _finline Type_ CYCastPointer(JSContextRef context, JSValueRef value) {
1827     return reinterpret_cast<Type_>(CYCastPointer_(context, value));
1828 }
1829
1830 static SEL CYCastSEL(JSContextRef context, JSValueRef value) {
1831     if (JSValueIsObjectOfClass(context, value, Selector_)) {
1832         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
1833         return reinterpret_cast<SEL>(internal->value_);
1834     } else
1835         return CYCastPointer<SEL>(context, value);
1836 }
1837
1838 static void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) {
1839     switch (type->primitive) {
1840         case sig::boolean_P:
1841             *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
1842         break;
1843
1844 #define CYPoolFFI_(primitive, native) \
1845         case sig::primitive ## _P: \
1846             *reinterpret_cast<native *>(data) = CYCastDouble(context, value); \
1847         break;
1848
1849         CYPoolFFI_(uchar, unsigned char)
1850         CYPoolFFI_(char, char)
1851         CYPoolFFI_(ushort, unsigned short)
1852         CYPoolFFI_(short, short)
1853         CYPoolFFI_(ulong, unsigned long)
1854         CYPoolFFI_(long, long)
1855         CYPoolFFI_(uint, unsigned int)
1856         CYPoolFFI_(int, int)
1857         CYPoolFFI_(ulonglong, unsigned long long)
1858         CYPoolFFI_(longlong, long long)
1859         CYPoolFFI_(float, float)
1860         CYPoolFFI_(double, double)
1861
1862         case sig::object_P:
1863         case sig::typename_P:
1864             *reinterpret_cast<id *>(data) = CYCastNSObject(pool, context, value);
1865         break;
1866
1867         case sig::selector_P:
1868             *reinterpret_cast<SEL *>(data) = CYCastSEL(context, value);
1869         break;
1870
1871         case sig::pointer_P:
1872             *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value);
1873         break;
1874
1875         case sig::string_P:
1876             *reinterpret_cast<const char **>(data) = CYPoolCString(pool, context, value);
1877         break;
1878
1879         case sig::struct_P: {
1880             uint8_t *base(reinterpret_cast<uint8_t *>(data));
1881             JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
1882             for (size_t index(0); index != type->data.signature.count; ++index) {
1883                 sig::Element *element(&type->data.signature.elements[index]);
1884                 ffi_type *field(ffi->elements[index]);
1885
1886                 JSValueRef rhs;
1887                 if (aggregate == NULL)
1888                     rhs = value;
1889                 else {
1890                     rhs = CYGetProperty(context, aggregate, index);
1891                     if (JSValueIsUndefined(context, rhs)) {
1892                         if (element->name != NULL)
1893                             rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
1894                         else
1895                             goto undefined;
1896                         if (JSValueIsUndefined(context, rhs)) undefined:
1897                             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"unable to extract structure value" userInfo:nil];
1898                     }
1899                 }
1900
1901                 CYPoolFFI(pool, context, element->type, field, base, rhs);
1902                 // XXX: alignment?
1903                 base += field->size;
1904             }
1905         } break;
1906
1907         case sig::void_P:
1908         break;
1909
1910         default:
1911             NSLog(@"CYPoolFFI(%c)\n", type->primitive);
1912             _assert(false);
1913     }
1914 }
1915
1916 static JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize = false, JSObjectRef owner = NULL) {
1917     JSValueRef value;
1918
1919     switch (type->primitive) {
1920         case sig::boolean_P:
1921             value = CYCastJSValue(context, *reinterpret_cast<bool *>(data));
1922         break;
1923
1924 #define CYFromFFI_(primitive, native) \
1925         case sig::primitive ## _P: \
1926             value = CYCastJSValue(context, *reinterpret_cast<native *>(data)); \
1927         break;
1928
1929         CYFromFFI_(uchar, unsigned char)
1930         CYFromFFI_(char, char)
1931         CYFromFFI_(ushort, unsigned short)
1932         CYFromFFI_(short, short)
1933         CYFromFFI_(ulong, unsigned long)
1934         CYFromFFI_(long, long)
1935         CYFromFFI_(uint, unsigned int)
1936         CYFromFFI_(int, int)
1937         CYFromFFI_(ulonglong, unsigned long long)
1938         CYFromFFI_(longlong, long long)
1939         CYFromFFI_(float, float)
1940         CYFromFFI_(double, double)
1941
1942         case sig::object_P: {
1943             if (id object = *reinterpret_cast<id *>(data)) {
1944                 value = CYCastJSValue(context, object);
1945                 if (initialize)
1946                     [object release];
1947             } else goto null;
1948         } break;
1949
1950         case sig::typename_P:
1951             value = CYMakeInstance(context, *reinterpret_cast<Class *>(data), true);
1952         break;
1953
1954         case sig::selector_P:
1955             if (SEL sel = *reinterpret_cast<SEL *>(data))
1956                 value = CYMakeSelector(context, sel);
1957             else goto null;
1958         break;
1959
1960         case sig::pointer_P:
1961             if (void *pointer = *reinterpret_cast<void **>(data))
1962                 value = CYMakePointer(context, pointer, type->data.data.type, ffi, owner);
1963             else goto null;
1964         break;
1965
1966         case sig::string_P:
1967             if (char *utf8 = *reinterpret_cast<char **>(data))
1968                 value = CYCastJSValue(context, utf8);
1969             else goto null;
1970         break;
1971
1972         case sig::struct_P:
1973             value = CYMakeStruct(context, data, type, ffi, owner);
1974         break;
1975
1976         case sig::void_P:
1977             value = CYJSUndefined(context);
1978         break;
1979
1980         null:
1981             value = CYJSNull(context);
1982         break;
1983
1984         default:
1985             NSLog(@"CYFromFFI(%c)\n", type->primitive);
1986             _assert(false);
1987     }
1988
1989     return value;
1990 }
1991
1992 static bool CYImplements(id object, Class _class, SEL selector, bool devoid) {
1993     if (Method method = class_getInstanceMethod(_class, selector)) {
1994         if (!devoid)
1995             return true;
1996         char type[16];
1997         method_getReturnType(method, type, sizeof(type));
1998         if (type[0] != 'v')
1999             return true;
2000     }
2001
2002     // XXX: possibly use a more "awesome" check?
2003     return false;
2004 }
2005
2006 static const char *CYPoolTypeEncoding(apr_pool_t *pool, Class _class, SEL sel, Method method) {
2007     if (method != NULL)
2008         return method_getTypeEncoding(method);
2009     else if (NSString *type = [[Bridge_ objectAtIndex:1] objectForKey:CYCastNSString(pool, sel_getName(sel))])
2010         return CYPoolCString(pool, type);
2011     else
2012         return NULL;
2013 }
2014
2015 static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
2016     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
2017
2018     JSContextRef context(internal->context_);
2019
2020     size_t count(internal->cif_.nargs);
2021     JSValueRef values[count];
2022
2023     for (size_t index(0); index != count; ++index)
2024         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
2025
2026     JSValueRef value(CYCallAsFunction(context, internal->function_, NULL, count, values));
2027     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
2028 }
2029
2030 static void MessageClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
2031     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
2032
2033     JSContextRef context(internal->context_);
2034
2035     size_t count(internal->cif_.nargs);
2036     JSValueRef values[count];
2037
2038     for (size_t index(0); index != count; ++index)
2039         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
2040
2041     JSObjectRef _this(CYCastJSObject(context, values[0]));
2042
2043     JSValueRef value(CYCallAsFunction(context, internal->function_, _this, count - 2, values + 2));
2044     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
2045 }
2046
2047 static Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const char *type, void (*callback)(ffi_cif *, void *, void **, void *)) {
2048     // XXX: in case of exceptions this will leak
2049     // XXX: in point of fact, this may /need/ to leak :(
2050     Closure_privateData *internal(new Closure_privateData(CYGetJSContext(), function, type));
2051
2052     ffi_closure *closure((ffi_closure *) _syscall(mmap(
2053         NULL, sizeof(ffi_closure),
2054         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
2055         -1, 0
2056     )));
2057
2058     ffi_status status(ffi_prep_closure(closure, &internal->cif_, callback, internal));
2059     _assert(status == FFI_OK);
2060
2061     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
2062
2063     internal->value_ = closure;
2064
2065     return internal;
2066 }
2067
2068 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const char *type) {
2069     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &FunctionClosure_));
2070     return JSObjectMake(context, Functor_, internal);
2071 }
2072
2073 static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const char *type) {
2074     JSValueRef exception(NULL);
2075     bool function(JSValueIsInstanceOfConstructor(context, value, Function_, &exception));
2076     CYThrow(context, exception);
2077
2078     if (function) {
2079         JSObjectRef function(CYCastJSObject(context, value));
2080         return CYMakeFunctor(context, function, type);
2081     } else {
2082         void (*function)()(CYCastPointer<void (*)()>(context, value));
2083         return CYMakeFunctor(context, function, type);
2084     }
2085 }
2086
2087 static JSObjectRef CYMakeMessage(JSContextRef context, SEL sel, IMP imp, const char *type) {
2088     Message_privateData *internal(new Message_privateData(sel, type, imp));
2089     return JSObjectMake(context, Message_, internal);
2090 }
2091
2092 static IMP CYMakeMessage(JSContextRef context, JSValueRef value, const char *type) {
2093     JSObjectRef function(CYCastJSObject(context, value));
2094     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &MessageClosure_));
2095     return reinterpret_cast<IMP>(internal->GetValue());
2096 }
2097
2098 static bool Messages_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2099     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2100     Class _class(internal->GetValue());
2101
2102     CYPool pool;
2103     const char *name(CYPoolCString(pool, property));
2104
2105     if (SEL sel = sel_getUid(name))
2106         if (class_getInstanceMethod(_class, sel) != NULL)
2107             return true;
2108
2109     return false;
2110 }
2111
2112 static JSValueRef Messages_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2113     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2114     Class _class(internal->GetValue());
2115
2116     CYPool pool;
2117     const char *name(CYPoolCString(pool, property));
2118
2119     if (SEL sel = sel_getUid(name))
2120         if (Method method = class_getInstanceMethod(_class, sel))
2121             return CYMakeMessage(context, sel, method_getImplementation(method), method_getTypeEncoding(method));
2122
2123     return NULL;
2124 }
2125
2126 static bool Messages_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2127     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2128     Class _class(internal->GetValue());
2129
2130     CYPool pool;
2131     const char *name(CYPoolCString(pool, property));
2132
2133     SEL sel(sel_registerName(name));
2134
2135     Method method(class_getInstanceMethod(_class, sel));
2136
2137     const char *type;
2138     IMP imp;
2139
2140     if (JSValueIsObjectOfClass(context, value, Message_)) {
2141         Message_privateData *message(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate((JSObjectRef) value)));
2142         type = sig::Unparse(pool, &message->signature_);
2143         imp = reinterpret_cast<IMP>(message->GetValue());
2144     } else {
2145         type = CYPoolTypeEncoding(pool, _class, sel, method);
2146         imp = CYMakeMessage(context, value, type);
2147     }
2148
2149     if (method != NULL)
2150         method_setImplementation(method, imp);
2151     else
2152         class_replaceMethod(_class, sel, imp, type);
2153
2154     return true;
2155 }
2156
2157 #if !__OBJC2__
2158 static bool Messages_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2159     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2160     Class _class(internal->GetValue());
2161
2162     CYPool pool;
2163     const char *name(CYPoolCString(pool, property));
2164
2165     if (SEL sel = sel_getUid(name))
2166         if (Method method = class_getInstanceMethod(_class, sel)) {
2167             objc_method_list list = {NULL, 1, {method}};
2168             class_removeMethods(_class, &list);
2169             return true;
2170         }
2171
2172     return false;
2173 }
2174 #endif
2175
2176 static void Messages_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2177     Messages *internal(reinterpret_cast<Messages *>(JSObjectGetPrivate(object)));
2178     Class _class(internal->GetValue());
2179
2180     unsigned int size;
2181     Method *data(class_copyMethodList(_class, &size));
2182     for (size_t i(0); i != size; ++i)
2183         JSPropertyNameAccumulatorAddName(names, CYJSString(sel_getName(method_getName(data[i]))));
2184     free(data);
2185 }
2186
2187 static bool Instance_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2188     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2189     id self(internal->GetValue());
2190
2191     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
2192         return true;
2193
2194     CYPool pool;
2195     NSString *name(CYCastNSString(pool, property));
2196
2197     if (CYInternal *internal = CYInternal::Get(self))
2198         if (internal->HasProperty(context, property))
2199             return true;
2200
2201     Class _class(object_getClass(self));
2202
2203     CYPoolTry {
2204         // XXX: this is an evil hack to deal with NSProxy; fix elsewhere
2205         if (CYImplements(self, _class, @selector(cy$hasProperty:), false))
2206             if ([self cy$hasProperty:name])
2207                 return true;
2208     } CYPoolCatch(false)
2209
2210     const char *string(CYPoolCString(pool, name));
2211
2212     if (class_getProperty(_class, string) != NULL)
2213         return true;
2214
2215     if (SEL sel = sel_getUid(string))
2216         if (CYImplements(self, _class, sel, true))
2217             return true;
2218
2219     return false;
2220 }
2221
2222 static JSValueRef Instance_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2223     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2224     id self(internal->GetValue());
2225
2226     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
2227         return Internal::Make(context, self, object);
2228
2229     CYTry {
2230         CYPool pool;
2231         NSString *name(CYCastNSString(pool, property));
2232
2233         if (CYInternal *internal = CYInternal::Get(self))
2234             if (JSValueRef value = internal->GetProperty(context, property))
2235                 return value;
2236
2237         CYPoolTry {
2238             if (NSObject *data = [self cy$getProperty:name])
2239                 return CYCastJSValue(context, data);
2240         } CYPoolCatch(NULL)
2241
2242         const char *string(CYPoolCString(pool, name));
2243         Class _class(object_getClass(self));
2244
2245         if (objc_property_t property = class_getProperty(_class, string)) {
2246             PropertyAttributes attributes(property);
2247             SEL sel(sel_registerName(attributes.Getter()));
2248             return CYSendMessage(pool, context, self, sel, 0, NULL, false, exception);
2249         }
2250
2251         if (SEL sel = sel_getUid(string))
2252             if (CYImplements(self, _class, sel, true))
2253                 return CYSendMessage(pool, context, self, sel, 0, NULL, false, exception);
2254
2255         return NULL;
2256     } CYCatch
2257 }
2258
2259 static bool Instance_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2260     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2261     id self(internal->GetValue());
2262
2263     CYPool pool;
2264
2265     CYTry {
2266         NSString *name(CYCastNSString(pool, property));
2267         NSString *data(CYCastNSObject(pool, context, value));
2268
2269         CYPoolTry {
2270             if ([self cy$setProperty:name to:data])
2271                 return true;
2272         } CYPoolCatch(NULL)
2273
2274         const char *string(CYPoolCString(pool, name));
2275         Class _class(object_getClass(self));
2276
2277         if (objc_property_t property = class_getProperty(_class, string)) {
2278             PropertyAttributes attributes(property);
2279             if (const char *setter = attributes.Setter()) {
2280                 SEL sel(sel_registerName(setter));
2281                 JSValueRef arguments[1] = {value};
2282                 CYSendMessage(pool, context, self, sel, 1, arguments, false, exception);
2283                 return true;
2284             }
2285         }
2286
2287         size_t length(strlen(string));
2288
2289         char set[length + 5];
2290
2291         set[0] = 's';
2292         set[1] = 'e';
2293         set[2] = 't';
2294
2295         if (string[0] != '\0') {
2296             set[3] = toupper(string[0]);
2297             memcpy(set + 4, string + 1, length - 1);
2298         }
2299
2300         set[length + 3] = ':';
2301         set[length + 4] = '\0';
2302
2303         if (SEL sel = sel_getUid(set))
2304             if (CYImplements(self, _class, sel, false)) {
2305                 JSValueRef arguments[1] = {value};
2306                 CYSendMessage(pool, context, self, sel, 1, arguments, false, exception);
2307             }
2308
2309         if (CYInternal *internal = CYInternal::Set(self)) {
2310             internal->SetProperty(context, property, value);
2311             return true;
2312         }
2313
2314         return false;
2315     } CYCatch
2316 }
2317
2318 static bool Instance_deleteProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2319     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2320     id self(internal->GetValue());
2321
2322     CYTry {
2323         CYPoolTry {
2324             NSString *name(CYCastNSString(NULL, property));
2325             return [self cy$deleteProperty:name];
2326         } CYPoolCatch(NULL)
2327     } CYCatch
2328 }
2329
2330 static void Instance_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2331     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2332     id self(internal->GetValue());
2333
2334     CYPool pool;
2335     Class _class(object_getClass(self));
2336
2337     {
2338         unsigned int size;
2339         objc_property_t *data(class_copyPropertyList(_class, &size));
2340         for (size_t i(0); i != size; ++i)
2341             JSPropertyNameAccumulatorAddName(names, CYJSString(property_getName(data[i])));
2342         free(data);
2343     }
2344 }
2345
2346 static JSObjectRef Instance_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2347     CYTry {
2348         Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
2349         JSObjectRef value(Instance::Make(context, [internal->GetValue() alloc], Instance::Uninitialized));
2350         return value;
2351     } CYCatch
2352 }
2353
2354 static bool CYIsClass(id self) {
2355     // XXX: this is a lame object_isClass
2356     return class_getInstanceMethod(object_getClass(self), @selector(alloc)) != NULL;
2357 }
2358
2359 static bool Instance_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef instance, JSValueRef *exception) {
2360     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) constructor)));
2361     Class _class(internal->GetValue());
2362     if (!CYIsClass(_class))
2363         return false;
2364
2365     if (JSValueIsObjectOfClass(context, instance, Instance_)) {
2366         Instance *linternal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) instance)));
2367         // XXX: this isn't always safe
2368         CYTry {
2369             return [linternal->GetValue() isKindOfClass:_class];
2370         } CYCatch
2371     }
2372
2373     return false;
2374 }
2375
2376 static bool Internal_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
2377     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2378     CYPool pool;
2379
2380     id self(internal->GetValue());
2381     const char *name(CYPoolCString(pool, property));
2382
2383     if (object_getInstanceVariable(self, name, NULL) != NULL)
2384         return true;
2385
2386     return false;
2387 }
2388
2389 static JSValueRef Internal_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2390     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2391     CYPool pool;
2392
2393     CYTry {
2394         id self(internal->GetValue());
2395         const char *name(CYPoolCString(pool, property));
2396
2397         if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
2398             Type_privateData type(pool, ivar_getTypeEncoding(ivar));
2399             return CYFromFFI(context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar));
2400         }
2401
2402         return NULL;
2403     } CYCatch
2404 }
2405
2406 static bool Internal_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2407     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2408     CYPool pool;
2409
2410     CYTry {
2411         id self(internal->GetValue());
2412         const char *name(CYPoolCString(pool, property));
2413
2414         if (Ivar ivar = object_getInstanceVariable(self, name, NULL)) {
2415             Type_privateData type(pool, ivar_getTypeEncoding(ivar));
2416             CYPoolFFI(pool, context, type.type_, type.GetFFI(), reinterpret_cast<uint8_t *>(self) + ivar_getOffset(ivar), value);
2417             return true;
2418         }
2419
2420         return false;
2421     } CYCatch
2422 }
2423
2424 static void Internal_getPropertyNames_(Class _class, JSPropertyNameAccumulatorRef names) {
2425     if (Class super = class_getSuperclass(_class))
2426         Internal_getPropertyNames_(super, names);
2427
2428     unsigned int size;
2429     Ivar *data(class_copyIvarList(_class, &size));
2430     for (size_t i(0); i != size; ++i)
2431         JSPropertyNameAccumulatorAddName(names, CYJSString(ivar_getName(data[i])));
2432     free(data);
2433 }
2434
2435 static void Internal_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2436     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2437     CYPool pool;
2438
2439     id self(internal->GetValue());
2440     Class _class(object_getClass(self));
2441
2442     Internal_getPropertyNames_(_class, names);
2443 }
2444
2445 static JSValueRef Internal_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2446     Internal *internal(reinterpret_cast<Internal *>(JSObjectGetPrivate(object)));
2447     return internal->GetOwner();
2448 }
2449
2450 static bool Index_(apr_pool_t *pool, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
2451     Type_privateData *typical(internal->type_);
2452     sig::Type *type(typical->type_);
2453     if (type == NULL)
2454         return false;
2455
2456     const char *name(CYPoolCString(pool, property));
2457     size_t length(strlen(name));
2458     double number(CYCastDouble(name, length));
2459
2460     size_t count(type->data.signature.count);
2461
2462     if (std::isnan(number)) {
2463         if (property == NULL)
2464             return false;
2465
2466         sig::Element *elements(type->data.signature.elements);
2467
2468         for (size_t local(0); local != count; ++local) {
2469             sig::Element *element(&elements[local]);
2470             if (element->name != NULL && strcmp(name, element->name) == 0) {
2471                 index = local;
2472                 goto base;
2473             }
2474         }
2475
2476         return false;
2477     } else {
2478         index = static_cast<ssize_t>(number);
2479         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
2480             return false;
2481     }
2482
2483   base:
2484     ffi_type **elements(typical->GetFFI()->elements);
2485
2486     base = reinterpret_cast<uint8_t *>(internal->value_);
2487     for (ssize_t local(0); local != index; ++local)
2488         base += elements[local]->size;
2489
2490     return true;
2491 }
2492
2493 static JSValueRef Pointer_getIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef *exception) {
2494     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2495     Type_privateData *typical(internal->type_);
2496
2497     ffi_type *ffi(typical->GetFFI());
2498
2499     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
2500     base += ffi->size * index;
2501
2502     JSObjectRef owner(internal->GetOwner() ?: object);
2503
2504     CYTry {
2505         return CYFromFFI(context, typical->type_, ffi, base, false, owner);
2506     } CYCatch
2507 }
2508
2509 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2510     CYPool pool;
2511     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2512     Type_privateData *typical(internal->type_);
2513
2514     if (typical->type_ == NULL)
2515         return NULL;
2516
2517     ssize_t offset;
2518     if (!CYGetOffset(pool, property, offset))
2519         return NULL;
2520
2521     return Pointer_getIndex(context, object, offset, exception);
2522 }
2523
2524 static JSValueRef Pointer_getProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2525     return Pointer_getIndex(context, object, 0, exception);
2526 }
2527
2528 static bool Pointer_setIndex(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value, JSValueRef *exception) {
2529     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2530     Type_privateData *typical(internal->type_);
2531
2532     ffi_type *ffi(typical->GetFFI());
2533
2534     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
2535     base += ffi->size * index;
2536
2537     CYTry {
2538         CYPoolFFI(NULL, context, typical->type_, ffi, base, value);
2539         return true;
2540     } CYCatch
2541 }
2542
2543 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2544     CYPool pool;
2545     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
2546     Type_privateData *typical(internal->type_);
2547
2548     if (typical->type_ == NULL)
2549         return NULL;
2550
2551     ssize_t offset;
2552     if (!CYGetOffset(pool, property, offset))
2553         return NULL;
2554
2555     return Pointer_setIndex(context, object, offset, value, exception);
2556 }
2557
2558 static bool Pointer_setProperty_$cyi(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2559     return Pointer_setIndex(context, object, 0, value, exception);
2560 }
2561
2562 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2563     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
2564     Type_privateData *typical(internal->type_);
2565     return CYMakePointer(context, internal->value_, typical->type_, typical->ffi_, _this);
2566 }
2567
2568 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2569     CYPool pool;
2570     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
2571     Type_privateData *typical(internal->type_);
2572
2573     ssize_t index;
2574     uint8_t *base;
2575
2576     if (!Index_(pool, internal, property, index, base))
2577         return NULL;
2578
2579     JSObjectRef owner(internal->GetOwner() ?: object);
2580
2581     CYTry {
2582         return CYFromFFI(context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, false, owner);
2583     } CYCatch
2584 }
2585
2586 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) {
2587     CYPool pool;
2588     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
2589     Type_privateData *typical(internal->type_);
2590
2591     ssize_t index;
2592     uint8_t *base;
2593
2594     if (!Index_(pool, internal, property, index, base))
2595         return false;
2596
2597     CYTry {
2598         CYPoolFFI(NULL, context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, value);
2599         return true;
2600     } CYCatch
2601 }
2602
2603 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2604     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
2605     Type_privateData *typical(internal->type_);
2606     sig::Type *type(typical->type_);
2607
2608     if (type == NULL)
2609         return;
2610
2611     size_t count(type->data.signature.count);
2612     sig::Element *elements(type->data.signature.elements);
2613
2614     char number[32];
2615
2616     for (size_t index(0); index != count; ++index) {
2617         const char *name;
2618         name = elements[index].name;
2619
2620         if (name == NULL) {
2621             sprintf(number, "%lu", index);
2622             name = number;
2623         }
2624
2625         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
2626     }
2627 }
2628
2629 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)()) {
2630     CYTry {
2631         if (setups + count != signature->count - 1)
2632             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to ffi function" userInfo:nil];
2633
2634         size_t size(setups + count);
2635         void *values[size];
2636         memcpy(values, setup, sizeof(void *) * setups);
2637
2638         for (size_t index(setups); index != size; ++index) {
2639             sig::Element *element(&signature->elements[index + 1]);
2640             ffi_type *ffi(cif->arg_types[index]);
2641             // XXX: alignment?
2642             values[index] = new(pool) uint8_t[ffi->size];
2643             CYPoolFFI(pool, context, element->type, ffi, values[index], arguments[index - setups]);
2644         }
2645
2646         uint8_t value[cif->rtype->size];
2647         ffi_call(cif, function, value, values);
2648
2649         return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize);
2650     } CYCatch
2651 }
2652
2653 static JSValueRef ObjectiveC_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2654     CYTry {
2655         CYPool pool;
2656         NSString *name(CYCastNSString(pool, property));
2657         if (Class _class = NSClassFromString(name))
2658             return CYMakeInstance(context, _class, true);
2659         return NULL;
2660     } CYCatch
2661 }
2662
2663 static void ObjectiveC_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2664     size_t size(objc_getClassList(NULL, 0));
2665     Class *data(reinterpret_cast<Class *>(malloc(sizeof(Class) * size)));
2666
2667   get:
2668     size_t writ(objc_getClassList(data, size));
2669     if (size < writ) {
2670         size = writ;
2671         if (Class *copy = reinterpret_cast<Class *>(realloc(data, sizeof(Class) * writ))) {
2672             data = copy;
2673             goto get;
2674         } else goto done;
2675     }
2676
2677     for (size_t i(0); i != writ; ++i)
2678         JSPropertyNameAccumulatorAddName(names, CYJSString(class_getName(data[i])));
2679
2680   done:
2681     free(data);
2682 }
2683
2684 static JSValueRef ObjectiveC_Image_Classes_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2685     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
2686
2687     CYTry {
2688         CYPool pool;
2689         const char *name(CYPoolCString(pool, property));
2690         unsigned int size;
2691         const char **data(objc_copyClassNamesForImage(internal, &size));
2692         JSValueRef value;
2693         for (size_t i(0); i != size; ++i)
2694             if (strcmp(name, data[i]) == 0) {
2695                 if (Class _class = objc_getClass(name)) {
2696                     value = CYMakeInstance(context, _class, true);
2697                     goto free;
2698                 } else
2699                     break;
2700             }
2701         value = NULL;
2702       free:
2703         free(data);
2704         return value;
2705     } CYCatch
2706 }
2707
2708 static void ObjectiveC_Image_Classes_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2709     const char *internal(reinterpret_cast<const char *>(JSObjectGetPrivate(object)));
2710     unsigned int size;
2711     const char **data(objc_copyClassNamesForImage(internal, &size));
2712     for (size_t i(0); i != size; ++i)
2713         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
2714     free(data);
2715 }
2716
2717 static JSValueRef ObjectiveC_Images_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2718     CYTry {
2719         CYPool pool;
2720         const char *name(CYPoolCString(pool, property));
2721         unsigned int size;
2722         const char **data(objc_copyImageNames(&size));
2723         for (size_t i(0); i != size; ++i)
2724             if (strcmp(name, data[i]) == 0) {
2725                 name = data[i];
2726                 goto free;
2727             }
2728         name = NULL;
2729       free:
2730         free(data);
2731         if (name == NULL)
2732             return NULL;
2733         JSObjectRef value(JSObjectMake(context, NULL, NULL));
2734         CYSetProperty(context, value, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Image_Classes_, const_cast<char *>(name)));
2735         return value;
2736     } CYCatch
2737 }
2738
2739 static void ObjectiveC_Images_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2740     unsigned int size;
2741     const char **data(objc_copyImageNames(&size));
2742     for (size_t i(0); i != size; ++i)
2743         JSPropertyNameAccumulatorAddName(names, CYJSString(data[i]));
2744     free(data);
2745 }
2746
2747 static JSValueRef ObjectiveC_Protocols_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2748     CYTry {
2749         CYPool pool;
2750         NSString *name(CYCastNSString(pool, property));
2751         if (Protocol *protocol = NSProtocolFromString(name))
2752             return CYMakeInstance(context, protocol, true);
2753         return NULL;
2754     } CYCatch
2755 }
2756
2757 static void ObjectiveC_Protocols_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
2758     unsigned int size;
2759     Protocol **data(objc_copyProtocolList(&size));
2760     for (size_t i(0); i != size; ++i)
2761         JSPropertyNameAccumulatorAddName(names, CYJSString(protocol_getName(data[i])));
2762     free(data);
2763 }
2764
2765 static JSObjectRef CYMakeType(JSContextRef context, const char *type) {
2766     Type_privateData *internal(new Type_privateData(NULL, type));
2767     return JSObjectMake(context, Type_, internal);
2768 }
2769
2770 static JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) {
2771     Type_privateData *internal(new Type_privateData(type));
2772     return JSObjectMake(context, Type_, internal);
2773 }
2774
2775 static JSValueRef Runtime_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
2776     if (JSStringIsEqualToUTF8CString(property, "nil"))
2777         return Instance::Make(context, nil);
2778
2779     CYTry {
2780         CYPool pool;
2781         NSString *name(CYCastNSString(pool, property));
2782         if (Class _class = NSClassFromString(name))
2783             return CYMakeInstance(context, _class, true);
2784         if (NSMutableArray *entry = [[Bridge_ objectAtIndex:0] objectForKey:name])
2785             switch ([[entry objectAtIndex:0] intValue]) {
2786                 case 0:
2787                     return JSEvaluateScript(CYGetJSContext(), CYJSString([entry objectAtIndex:1]), NULL, NULL, 0, NULL);
2788                 case 1:
2789                     return CYMakeFunctor(context, reinterpret_cast<void (*)()>([name cy$symbol]), CYPoolCString(pool, [entry objectAtIndex:1]));
2790                 case 2:
2791                     // XXX: this is horrendously inefficient
2792                     sig::Signature signature;
2793                     sig::Parse(pool, &signature, CYPoolCString(pool, [entry objectAtIndex:1]), &Structor_);
2794                     ffi_cif cif;
2795                     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
2796                     return CYFromFFI(context, signature.elements[0].type, cif.rtype, [name cy$symbol]);
2797             }
2798         if (NSMutableArray *entry = [[Bridge_ objectAtIndex:2] objectForKey:name])
2799             switch ([[entry objectAtIndex:0] intValue]) {
2800                 // XXX: implement case 0
2801                 case 1:
2802                     return CYMakeType(context, CYPoolCString(pool, [entry objectAtIndex:1]));
2803             }
2804         return NULL;
2805     } CYCatch
2806 }
2807
2808 static bool stret(ffi_type *ffi_type) {
2809     return ffi_type->type == FFI_TYPE_STRUCT && (
2810         ffi_type->size > OBJC_MAX_STRUCT_BY_VALUE ||
2811         struct_forward_array[ffi_type->size] != 0
2812     );
2813 }
2814
2815 extern "C" {
2816     int *_NSGetArgc(void);
2817     char ***_NSGetArgv(void);
2818 }
2819
2820 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2821     CYTry {
2822         if (count == 0)
2823             NSLog(@"");
2824         else
2825             NSLog(@"%s", CYCastCString(context, arguments[0]));
2826         return CYJSUndefined(context);
2827     } CYCatch
2828 }
2829
2830 JSValueRef CYSendMessage(apr_pool_t *pool, JSContextRef context, id self, SEL _cmd, size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception) {
2831     const char *type;
2832
2833     Class _class(object_getClass(self));
2834     if (Method method = class_getInstanceMethod(_class, _cmd))
2835         type = method_getTypeEncoding(method);
2836     else {
2837         CYTry {
2838             CYPoolTry {
2839                 NSMethodSignature *method([self methodSignatureForSelector:_cmd]);
2840                 if (method == nil)
2841                     @throw [NSException exceptionWithName:NSInvalidArgumentException reason:[NSString stringWithFormat:@"unrecognized selector %s sent to object %p", sel_getName(_cmd), self] userInfo:nil];
2842                 type = CYPoolCString(pool, [method _typeString]);
2843             } CYPoolCatch(NULL)
2844         } CYCatch
2845     }
2846
2847     void *setup[2];
2848     setup[0] = &self;
2849     setup[1] = &_cmd;
2850
2851     sig::Signature signature;
2852     sig::Parse(pool, &signature, type, &Structor_);
2853
2854     ffi_cif cif;
2855     sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
2856
2857     void (*function)() = stret(cif.rtype) ? reinterpret_cast<void (*)()>(&objc_msgSend_stret) : reinterpret_cast<void (*)()>(&objc_msgSend);
2858     return CYCallFunction(pool, context, 2, setup, count, arguments, initialize, exception, &signature, &cif, function);
2859 }
2860
2861 static size_t Nonce_(0);
2862
2863 static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2864     char name[16];
2865     sprintf(name, "%s%zu", CYCastCString(context, arguments[0]), Nonce_++);
2866     return CYCastJSValue(context, name);
2867 }
2868
2869 static JSValueRef $objc_msgSend(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2870     CYPool pool;
2871
2872     bool uninitialized;
2873
2874     id self;
2875     SEL _cmd;
2876
2877     CYTry {
2878         if (count < 2)
2879             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"too few arguments to objc_msgSend" userInfo:nil];
2880
2881         if (JSValueIsObjectOfClass(context, arguments[0], Instance_)) {
2882             Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate((JSObjectRef) arguments[0])));
2883             self = internal->GetValue();
2884             uninitialized = internal->IsUninitialized();
2885             if (uninitialized)
2886                 internal->value_ = nil;
2887         } else {
2888             self = CYCastNSObject(pool, context, arguments[0]);
2889             uninitialized = false;
2890         }
2891
2892         if (self == nil)
2893             return CYJSNull(context);
2894
2895         _cmd = CYCastSEL(context, arguments[1]);
2896     } CYCatch
2897
2898     return CYSendMessage(pool, context, self, _cmd, count - 2, arguments + 2, uninitialized, exception);
2899 }
2900
2901 /* Hook: objc_registerClassPair {{{ */
2902 // XXX: replace this with associated objects
2903
2904 MSHook(void, CYDealloc, id self, SEL sel) {
2905     CYInternal *internal;
2906     object_getInstanceVariable(self, "cy$internal_", reinterpret_cast<void **>(&internal));
2907     if (internal != NULL)
2908         delete internal;
2909     _CYDealloc(self, sel);
2910 }
2911
2912 MSHook(void, objc_registerClassPair, Class _class) {
2913     Class super(class_getSuperclass(_class));
2914     if (super == NULL || class_getInstanceVariable(super, "cy$internal_") == NULL) {
2915         class_addIvar(_class, "cy$internal_", sizeof(CYInternal *), log2(sizeof(CYInternal *)), "^{CYInternal}");
2916         MSHookMessage(_class, @selector(dealloc), MSHake(CYDealloc));
2917     }
2918
2919     _objc_registerClassPair(_class);
2920 }
2921
2922 static JSValueRef objc_registerClassPair_(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2923     CYTry {
2924         if (count != 1)
2925             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to objc_registerClassPair" userInfo:nil];
2926         CYPool pool;
2927         Class _class(CYCastNSObject(pool, context, arguments[0]));
2928         $objc_registerClassPair(_class);
2929         return CYJSUndefined(context);
2930     } CYCatch
2931 }
2932 /* }}} */
2933
2934 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2935     JSGarbageCollect(context);
2936     return CYJSUndefined(context);
2937 }
2938
2939 static JSValueRef Selector_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2940     JSValueRef setup[count + 2];
2941     setup[0] = _this;
2942     setup[1] = object;
2943     memcpy(setup + 2, arguments, sizeof(JSValueRef) * count);
2944     return $objc_msgSend(context, NULL, NULL, count + 2, setup, exception);
2945 }
2946
2947 static JSValueRef Message_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2948     CYPool pool;
2949     Message_privateData *internal(reinterpret_cast<Message_privateData *>(JSObjectGetPrivate(object)));
2950
2951     // XXX: handle Instance::Uninitialized?
2952     id self(CYCastNSObject(pool, context, _this));
2953
2954     void *setup[2];
2955     setup[0] = &self;
2956     setup[1] = &internal->sel_;
2957
2958     return CYCallFunction(pool, context, 2, setup, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
2959 }
2960
2961 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2962     CYPool pool;
2963     Functor_privateData *internal(reinterpret_cast<Functor_privateData *>(JSObjectGetPrivate(object)));
2964     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue());
2965 }
2966
2967 static JSObjectRef Selector_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2968     CYTry {
2969         if (count != 1)
2970             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to Selector constructor" userInfo:nil];
2971         const char *name(CYCastCString(context, arguments[0]));
2972         return CYMakeSelector(context, sel_registerName(name));
2973     } CYCatch
2974 }
2975
2976 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2977     CYTry {
2978         if (count != 2)
2979             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to Functor constructor" userInfo:nil];
2980
2981         void *value(CYCastPointer<void *>(context, arguments[0]));
2982         const char *type(CYCastCString(context, arguments[1]));
2983
2984         CYPool pool;
2985
2986         sig::Signature signature;
2987         sig::Parse(pool, &signature, type, &Structor_);
2988
2989         return CYMakePointer(context, value, signature.elements[0].type, NULL, NULL);
2990     } CYCatch
2991 }
2992
2993 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
2994     CYTry {
2995         if (count != 1)
2996             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to Type constructor" userInfo:nil];
2997         const char *type(CYCastCString(context, arguments[0]));
2998         return CYMakeType(context, type);
2999     } CYCatch
3000 }
3001
3002 static JSValueRef Type_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3003     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3004
3005     CYTry {
3006         sig::Type type;
3007
3008         if (JSStringIsEqualToUTF8CString(property, "$cyi")) {
3009             type.primitive = sig::pointer_P;
3010             type.data.data.size = 0;
3011         } else {
3012             size_t index(CYGetIndex(NULL, property));
3013             if (index == _not(size_t))
3014                 return NULL;
3015             type.primitive = sig::array_P;
3016             type.data.data.size = index;
3017         }
3018
3019         type.name = NULL;
3020         type.flags = 0;
3021
3022         type.data.data.type = internal->type_;
3023
3024         return CYMakeType(context, &type);
3025     } CYCatch
3026 }
3027
3028 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3029     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3030
3031     CYTry {
3032         if (count != 1)
3033             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to type cast function" userInfo:nil];
3034         sig::Type *type(internal->type_);
3035         ffi_type *ffi(internal->GetFFI());
3036         // XXX: alignment?
3037         uint8_t value[ffi->size];
3038         CYPool pool;
3039         CYPoolFFI(pool, context, type, ffi, value, arguments[0]);
3040         return CYFromFFI(context, type, ffi, value);
3041     } CYCatch
3042 }
3043
3044 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3045     CYTry {
3046         if (count != 0)
3047             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to type cast function" userInfo:nil];
3048         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
3049
3050         sig::Type *type(internal->type_);
3051         size_t size;
3052
3053         if (type->primitive != sig::array_P)
3054             size = 0;
3055         else {
3056             size = type->data.data.size;
3057             type = type->data.data.type;
3058         }
3059
3060         void *value(malloc(internal->GetFFI()->size));
3061         return CYMakePointer(context, value, type, NULL, NULL);
3062     } CYCatch
3063 }
3064
3065 static JSObjectRef Instance_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3066     CYTry {
3067         if (count > 1)
3068             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to Instance constructor" userInfo:nil];
3069         id self(count == 0 ? nil : CYCastPointer<id>(context, arguments[0]));
3070         return Instance::Make(context, self);
3071     } CYCatch
3072 }
3073
3074 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3075     CYTry {
3076         if (count != 2)
3077             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to Functor constructor" userInfo:nil];
3078         const char *type(CYCastCString(context, arguments[1]));
3079         return CYMakeFunctor(context, arguments[0], type);
3080     } CYCatch
3081 }
3082
3083 static JSValueRef CYValue_getProperty_value(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3084     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(object)));
3085     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
3086 }
3087
3088 static JSValueRef CYValue_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3089     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3090     Type_privateData *typical(internal->GetType());
3091
3092     sig::Type *type;
3093     ffi_type *ffi;
3094
3095     if (typical == NULL) {
3096         type = NULL;
3097         ffi = NULL;
3098     } else {
3099         type = typical->type_;
3100         ffi = typical->ffi_;
3101     }
3102
3103     return CYMakePointer(context, &internal->value_, type, ffi, object);
3104 }
3105
3106 static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3107     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3108
3109     CYTry {
3110         return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
3111     } CYCatch
3112 }
3113
3114 static JSValueRef CYValue_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3115     return CYValue_callAsFunction_valueOf(context, object, _this, count, arguments, exception);
3116 }
3117
3118 static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3119     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
3120     char string[32];
3121     sprintf(string, "%p", internal->value_);
3122
3123     CYTry {
3124         return CYCastJSValue(context, string);
3125     } CYCatch
3126 }
3127
3128 static JSValueRef Instance_getProperty_constructor(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3129     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3130     return Instance::Make(context, object_getClass(internal->GetValue()));
3131 }
3132
3133 static JSValueRef Instance_getProperty_protocol(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3134     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3135     id self(internal->GetValue());
3136     if (!CYIsClass(self))
3137         return CYJSUndefined(context);
3138     CYTry {
3139         return CYGetClassPrototype(context, self);
3140     } CYCatch
3141 }
3142
3143 static JSValueRef Instance_getProperty_messages(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) {
3144     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(object)));
3145     id self(internal->GetValue());
3146     if (class_getInstanceMethod(object_getClass(self), @selector(alloc)) == NULL)
3147         return CYJSUndefined(context);
3148     return Messages::Make(context, self);
3149 }
3150
3151 static JSValueRef Instance_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3152     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3153         return NULL;
3154
3155     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3156
3157     CYTry {
3158         CYPoolTry {
3159             return CYCastJSValue(context, CYJSString(CYPoolNSCYON(NULL, internal->GetValue())));
3160         } CYPoolCatch(NULL)
3161     } CYCatch
3162 }
3163
3164 static JSValueRef Instance_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3165     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3166         return NULL;
3167
3168     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3169
3170     CYTry {
3171         CYPoolTry {
3172             NSString *key(count == 0 ? nil : CYCastNSString(NULL, CYJSString(context, arguments[0])));
3173             // XXX: check for support of cy$toJSON?
3174             return CYCastJSValue(context, CYJSString([internal->GetValue() cy$toJSON:key]));
3175         } CYPoolCatch(NULL)
3176     } CYCatch
3177 }
3178
3179 static JSValueRef Instance_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3180     if (!JSValueIsObjectOfClass(context, _this, Instance_))
3181         return NULL;
3182
3183     Instance *internal(reinterpret_cast<Instance *>(JSObjectGetPrivate(_this)));
3184
3185     CYTry {
3186         CYPoolTry {
3187             return CYCastJSValue(context, CYJSString([internal->GetValue() description]));
3188         } CYPoolCatch(NULL)
3189     } CYCatch
3190 }
3191
3192 static JSValueRef Selector_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3193     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3194
3195     CYTry {
3196         return CYCastJSValue(context, sel_getName(internal->GetValue()));
3197     } CYCatch
3198 }
3199
3200 static JSValueRef Selector_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3201     return Selector_callAsFunction_toString(context, object, _this, count, arguments, exception);
3202 }
3203
3204 static JSValueRef Selector_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3205     Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3206     const char *name(sel_getName(internal->GetValue()));
3207
3208     CYTry {
3209         CYPoolTry {
3210             return CYCastJSValue(context, CYJSString([NSString stringWithFormat:@"@selector(%s)", name]));
3211         } CYPoolCatch(NULL)
3212     } CYCatch
3213 }
3214
3215 static JSValueRef Selector_callAsFunction_type(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3216     CYTry {
3217         if (count != 1)
3218             @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"incorrect number of arguments to Selector.type" userInfo:nil];
3219         CYPool pool;
3220         Selector_privateData *internal(reinterpret_cast<Selector_privateData *>(JSObjectGetPrivate(_this)));
3221         Class _class(CYCastNSObject(pool, context, arguments[0]));
3222         SEL sel(internal->GetValue());
3223         Method method(class_getInstanceMethod(_class, sel));
3224         const char *type(CYPoolTypeEncoding(pool, _class, sel, method));
3225         return type == NULL ? CYJSNull(context) : CYCastJSValue(context, CYJSString(type));
3226     } CYCatch
3227 }
3228
3229 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3230     CYTry {
3231         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
3232         CYPool pool;
3233         const char *type(sig::Unparse(pool, internal->type_));
3234         CYPoolTry {
3235             return CYCastJSValue(context, CYJSString(type));
3236         } CYPoolCatch(NULL)
3237     } CYCatch
3238 }
3239
3240 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3241     CYTry {
3242         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
3243         CYPool pool;
3244         const char *type(sig::Unparse(pool, internal->type_));
3245         CYPoolTry {
3246             return CYCastJSValue(context, CYJSString([NSString stringWithFormat:@"new Type(%@)", [[NSString stringWithUTF8String:type] cy$toCYON]]));
3247         } CYPoolCatch(NULL)
3248     } CYCatch
3249 }
3250
3251 static JSValueRef Type_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
3252     return Type_callAsFunction_toString(context, object, _this, count, arguments, exception);
3253 }
3254
3255 static JSStaticValue CYValue_staticValues[2] = {
3256     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete},
3257     {NULL, NULL, NULL, 0}
3258 };
3259
3260 static JSStaticValue Pointer_staticValues[2] = {
3261     {"$cyi", &Pointer_getProperty_$cyi, &Pointer_setProperty_$cyi, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3262     {NULL, NULL, NULL, 0}
3263 };
3264
3265 static JSStaticFunction Pointer_staticFunctions[4] = {
3266     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3267     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3268     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3269     {NULL, NULL, 0}
3270 };
3271
3272 static JSStaticFunction Struct_staticFunctions[2] = {
3273     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3274     {NULL, NULL, 0}
3275 };
3276
3277 static JSStaticFunction Functor_staticFunctions[4] = {
3278     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3279     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3280     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3281     {NULL, NULL, 0}
3282 };
3283
3284 static JSStaticValue Instance_staticValues[5] = {
3285     {"constructor", &Instance_getProperty_constructor, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3286     {"messages", &Instance_getProperty_messages, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3287     {"prototype", &Instance_getProperty_protocol, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3288     {"value", &CYValue_getProperty_value, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3289     {NULL, NULL, NULL, 0}
3290 };
3291
3292 static JSStaticFunction Instance_staticFunctions[5] = {
3293     {"$cya", &CYValue_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3294     {"toCYON", &Instance_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3295     {"toJSON", &Instance_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3296     {"toString", &Instance_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3297     {NULL, NULL, 0}
3298 };
3299
3300 static JSStaticFunction Internal_staticFunctions[2] = {
3301     {"$cya", &Internal_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3302     {NULL, NULL, 0}
3303 };
3304
3305 static JSStaticFunction Selector_staticFunctions[5] = {
3306     {"toCYON", &Selector_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3307     {"toJSON", &Selector_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3308     {"toString", &Selector_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3309     {"type", &Selector_callAsFunction_type, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3310     {NULL, NULL, 0}
3311 };
3312
3313 static JSStaticFunction Type_staticFunctions[4] = {
3314     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3315     {"toJSON", &Type_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3316     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
3317     {NULL, NULL, 0}
3318 };
3319
3320 CYDriver::CYDriver(const std::string &filename) :
3321     state_(CYClear),
3322     data_(NULL),
3323     size_(0),
3324     file_(NULL),
3325     strict_(false),
3326     filename_(filename),
3327     program_(NULL)
3328 {
3329     ScannerInit();
3330 }
3331
3332 CYDriver::~CYDriver() {
3333     ScannerDestroy();
3334 }
3335
3336 void CYDriver::Warning(const cy::location &location, const char *message) {
3337     if (!strict_)
3338         return;
3339
3340     CYDriver::Error error;
3341     error.warning_ = true;
3342     error.location_ = location;
3343     error.message_ = message;
3344     errors_.push_back(error);
3345 }
3346
3347 void cy::parser::error(const cy::parser::location_type &location, const std::string &message) {
3348     CYDriver::Error error;
3349     error.warning_ = false;
3350     error.location_ = location;
3351     error.message_ = message;
3352     driver.errors_.push_back(error);
3353 }
3354
3355 void CYSetArgs(int argc, const char *argv[]) {
3356     JSContextRef context(CYGetJSContext());
3357     JSValueRef args[argc];
3358     for (int i(0); i != argc; ++i)
3359         args[i] = CYCastJSValue(context, argv[i]);
3360     JSValueRef exception(NULL);
3361     JSObjectRef array(JSObjectMakeArray(context, argc, args, &exception));
3362     CYThrow(context, exception);
3363     CYSetProperty(context, System_, CYJSString("args"), array);
3364 }
3365
3366 JSObjectRef CYGetGlobalObject(JSContextRef context) {
3367     return JSContextGetGlobalObject(context);
3368 }
3369
3370 const char *CYExecute(apr_pool_t *pool, const char *code) { _pooled
3371     JSContextRef context(CYGetJSContext());
3372     JSValueRef exception(NULL), result;
3373
3374     try {
3375         result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception);
3376     } catch (const char *error) {
3377         return error;
3378     }
3379
3380     if (exception != NULL) { error:
3381         result = exception;
3382         exception = NULL;
3383     }
3384
3385     if (JSValueIsUndefined(context, result))
3386         return NULL;
3387
3388     const char *json;
3389
3390     try {
3391         json = CYPoolCCYON(pool, context, result, &exception);
3392     } catch (const char *error) {
3393         return error;
3394     }
3395
3396     if (exception != NULL)
3397         goto error;
3398
3399     CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
3400     return json;
3401 }
3402
3403 bool CYRecvAll_(int socket, uint8_t *data, size_t size) {
3404     while (size != 0) if (size_t writ = _syscall(recv(socket, data, size, 0))) {
3405         data += writ;
3406         size -= writ;
3407     } else
3408         return false;
3409     return true;
3410 }
3411
3412 bool CYSendAll_(int socket, const uint8_t *data, size_t size) {
3413     while (size != 0) if (size_t writ = _syscall(send(socket, data, size, 0))) {
3414         data += writ;
3415         size -= writ;
3416     } else
3417         return false;
3418     return true;
3419 }
3420
3421 static apr_pool_t *Pool_;
3422
3423 struct CYExecute_ {
3424     apr_pool_t *pool_;
3425     const char * volatile data_;
3426 };
3427
3428 // XXX: this is "tre lame"
3429 @interface CYClient_ : NSObject {
3430 }
3431
3432 - (void) execute:(NSValue *)value;
3433
3434 @end
3435
3436 @implementation CYClient_
3437
3438 - (void) execute:(NSValue *)value {
3439     CYExecute_ *execute(reinterpret_cast<CYExecute_ *>([value pointerValue]));
3440     const char *data(execute->data_);
3441     execute->data_ = NULL;
3442     execute->data_ = CYExecute(execute->pool_, data);
3443 }
3444
3445 @end
3446
3447 struct CYClient :
3448     CYData
3449 {
3450     int socket_;
3451     apr_thread_t *thread_;
3452
3453     CYClient(int socket) :
3454         socket_(socket)
3455     {
3456     }
3457
3458     ~CYClient() {
3459         _syscall(close(socket_));
3460     }
3461
3462     void Handle() { _pooled
3463         CYClient_ *client = [[[CYClient_ alloc] init] autorelease];
3464
3465         for (;;) {
3466             size_t size;
3467             if (!CYRecvAll(socket_, &size, sizeof(size)))
3468                 return;
3469
3470             CYPool pool;
3471             char *data(new(pool) char[size + 1]);
3472             if (!CYRecvAll(socket_, data, size))
3473                 return;
3474             data[size] = '\0';
3475
3476             CYDriver driver("");
3477             cy::parser parser(driver);
3478
3479             driver.data_ = data;
3480             driver.size_ = size;
3481
3482             const char *json;
3483             if (parser.parse() != 0 || !driver.errors_.empty()) {
3484                 json = NULL;
3485                 size = _not(size_t);
3486             } else {
3487                 std::ostringstream str;
3488                 CYOutput out(str);
3489                 out << *driver.program_;
3490                 std::string code(str.str());
3491                 CYExecute_ execute = {pool, code.c_str()};
3492                 [client performSelectorOnMainThread:@selector(execute:) withObject:[NSValue valueWithPointer:&execute] waitUntilDone:YES];
3493                 json = execute.data_;
3494                 size = json == NULL ? _not(size_t) : strlen(json);
3495             }
3496
3497             if (!CYSendAll(socket_, &size, sizeof(size)))
3498                 return;
3499             if (json != NULL)
3500                 if (!CYSendAll(socket_, json, size))
3501                     return;
3502         }
3503     }
3504 };
3505
3506 static void * APR_THREAD_FUNC OnClient(apr_thread_t *thread, void *data) {
3507     CYClient *client(reinterpret_cast<CYClient *>(data));
3508     client->Handle();
3509     delete client;
3510     return NULL;
3511 }
3512
3513 extern "C" void CYHandleClient(apr_pool_t *pool, int socket) {
3514     CYClient *client(new(pool) CYClient(socket));
3515     apr_threadattr_t *attr;
3516     _aprcall(apr_threadattr_create(&attr, client->pool_));
3517     _aprcall(apr_thread_create(&client->thread_, attr, &OnClient, client, client->pool_));
3518 }
3519
3520 MSInitialize { _pooled
3521     _aprcall(apr_initialize());
3522     _aprcall(apr_pool_create(&Pool_, NULL));
3523
3524     Type_privateData::Object = new(Pool_) Type_privateData(Pool_, "@");
3525     Type_privateData::Selector = new(Pool_) Type_privateData(Pool_, ":");
3526
3527     Bridge_ = [[NSMutableArray arrayWithContentsOfFile:@"/usr/lib/libcycript.plist"] retain];
3528
3529     NSArray_ = objc_getClass("NSArray");
3530     NSCFBoolean_ = objc_getClass("NSCFBoolean");
3531     NSCFType_ = objc_getClass("NSCFType");
3532     NSDictionary_ = objc_getClass("NSDictonary");
3533     NSMessageBuilder_ = objc_getClass("NSMessageBuilder");
3534     NSZombie_ = objc_getClass("_NSZombie_");
3535     Object_ = objc_getClass("Object");
3536 }
3537
3538 JSGlobalContextRef CYGetJSContext() {
3539     if (Context_ == NULL) {
3540         JSClassDefinition definition;
3541
3542         definition = kJSClassDefinitionEmpty;
3543         definition.className = "Functor";
3544         definition.staticFunctions = Functor_staticFunctions;
3545         definition.callAsFunction = &Functor_callAsFunction;
3546         definition.finalize = &Finalize;
3547         Functor_ = JSClassCreate(&definition);
3548
3549         definition = kJSClassDefinitionEmpty;
3550         definition.className = "Instance";
3551         definition.staticValues = Instance_staticValues;
3552         definition.staticFunctions = Instance_staticFunctions;
3553         definition.hasProperty = &Instance_hasProperty;
3554         definition.getProperty = &Instance_getProperty;
3555         definition.setProperty = &Instance_setProperty;
3556         definition.deleteProperty = &Instance_deleteProperty;
3557         definition.getPropertyNames = &Instance_getPropertyNames;
3558         definition.callAsConstructor = &Instance_callAsConstructor;
3559         definition.hasInstance = &Instance_hasInstance;
3560         definition.finalize = &Finalize;
3561         Instance_ = JSClassCreate(&definition);
3562
3563         definition = kJSClassDefinitionEmpty;
3564         definition.className = "Internal";
3565         definition.staticFunctions = Internal_staticFunctions;
3566         definition.hasProperty = &Internal_hasProperty;
3567         definition.getProperty = &Internal_getProperty;
3568         definition.setProperty = &Internal_setProperty;
3569         definition.getPropertyNames = &Internal_getPropertyNames;
3570         definition.finalize = &Finalize;
3571         Internal_ = JSClassCreate(&definition);
3572
3573         definition = kJSClassDefinitionEmpty;
3574         definition.className = "Message";
3575         definition.staticFunctions = Functor_staticFunctions;
3576         definition.callAsFunction = &Message_callAsFunction;
3577         definition.finalize = &Finalize;
3578         Message_ = JSClassCreate(&definition);
3579
3580         definition = kJSClassDefinitionEmpty;
3581         definition.className = "Messages";
3582         definition.hasProperty = &Messages_hasProperty;
3583         definition.getProperty = &Messages_getProperty;
3584         definition.setProperty = &Messages_setProperty;
3585 #if !__OBJC2__
3586         definition.deleteProperty = &Messages_deleteProperty;
3587 #endif
3588         definition.getPropertyNames = &Messages_getPropertyNames;
3589         definition.finalize = &Finalize;
3590         Messages_ = JSClassCreate(&definition);
3591
3592         definition = kJSClassDefinitionEmpty;
3593         definition.className = "NSArrayPrototype";
3594         //definition.hasProperty = &NSArrayPrototype_hasProperty;
3595         //definition.getProperty = &NSArrayPrototype_getProperty;
3596         //definition.setProperty = &NSArrayPrototype_setProperty;
3597         //definition.deleteProperty = &NSArrayPrototype_deleteProperty;
3598         //definition.getPropertyNames = &NSArrayPrototype_getPropertyNames;
3599         NSArrayPrototype_ = JSClassCreate(&definition);
3600
3601         definition = kJSClassDefinitionEmpty;
3602         definition.className = "Pointer";
3603         definition.staticValues = Pointer_staticValues;
3604         definition.staticFunctions = Pointer_staticFunctions;
3605         definition.getProperty = &Pointer_getProperty;
3606         definition.setProperty = &Pointer_setProperty;
3607         definition.finalize = &Finalize;
3608         Pointer_ = JSClassCreate(&definition);
3609
3610         definition = kJSClassDefinitionEmpty;
3611         definition.className = "Selector";
3612         definition.staticValues = CYValue_staticValues;
3613         definition.staticFunctions = Selector_staticFunctions;
3614         definition.callAsFunction = &Selector_callAsFunction;
3615         definition.finalize = &Finalize;
3616         Selector_ = JSClassCreate(&definition);
3617
3618         definition = kJSClassDefinitionEmpty;
3619         definition.className = "Struct";
3620         definition.staticFunctions = Struct_staticFunctions;
3621         definition.getProperty = &Struct_getProperty;
3622         definition.setProperty = &Struct_setProperty;
3623         definition.getPropertyNames = &Struct_getPropertyNames;
3624         definition.finalize = &Finalize;
3625         Struct_ = JSClassCreate(&definition);
3626
3627         definition = kJSClassDefinitionEmpty;
3628         definition.className = "Type";
3629         definition.staticFunctions = Type_staticFunctions;
3630         definition.getProperty = &Type_getProperty;
3631         definition.callAsFunction = &Type_callAsFunction;
3632         definition.callAsConstructor = &Type_callAsConstructor;
3633         definition.finalize = &Finalize;
3634         Type_ = JSClassCreate(&definition);
3635
3636         definition = kJSClassDefinitionEmpty;
3637         definition.className = "Runtime";
3638         definition.getProperty = &Runtime_getProperty;
3639         Runtime_ = JSClassCreate(&definition);
3640
3641         definition = kJSClassDefinitionEmpty;
3642         definition.className = "ObjectiveC::Classes";
3643         definition.getProperty = &ObjectiveC_Classes_getProperty;
3644         definition.getPropertyNames = &ObjectiveC_Classes_getPropertyNames;
3645         ObjectiveC_Classes_ = JSClassCreate(&definition);
3646
3647         definition = kJSClassDefinitionEmpty;
3648         definition.className = "ObjectiveC::Images";
3649         definition.getProperty = &ObjectiveC_Images_getProperty;
3650         definition.getPropertyNames = &ObjectiveC_Images_getPropertyNames;
3651         ObjectiveC_Images_ = JSClassCreate(&definition);
3652
3653         definition = kJSClassDefinitionEmpty;
3654         definition.className = "ObjectiveC::Image::Classes";
3655         definition.getProperty = &ObjectiveC_Image_Classes_getProperty;
3656         definition.getPropertyNames = &ObjectiveC_Image_Classes_getPropertyNames;
3657         ObjectiveC_Image_Classes_ = JSClassCreate(&definition);
3658
3659         definition = kJSClassDefinitionEmpty;
3660         definition.className = "ObjectiveC::Protocols";
3661         definition.getProperty = &ObjectiveC_Protocols_getProperty;
3662         definition.getPropertyNames = &ObjectiveC_Protocols_getPropertyNames;
3663         ObjectiveC_Protocols_ = JSClassCreate(&definition);
3664
3665         definition = kJSClassDefinitionEmpty;
3666         //definition.getProperty = &Global_getProperty;
3667         JSClassRef Global(JSClassCreate(&definition));
3668
3669         JSGlobalContextRef context(JSGlobalContextCreate(Global));
3670         Context_ = context;
3671
3672         JSObjectRef global(CYGetGlobalObject(context));
3673
3674         JSObjectSetPrototype(context, global, JSObjectMake(context, Runtime_, NULL));
3675         ObjectiveC_ = JSObjectMake(context, NULL, NULL);
3676         CYSetProperty(context, global, CYJSString("ObjectiveC"), ObjectiveC_);
3677
3678         CYSetProperty(context, ObjectiveC_, CYJSString("classes"), JSObjectMake(context, ObjectiveC_Classes_, NULL));
3679         CYSetProperty(context, ObjectiveC_, CYJSString("images"), JSObjectMake(context, ObjectiveC_Images_, NULL));
3680         CYSetProperty(context, ObjectiveC_, CYJSString("protocols"), JSObjectMake(context, ObjectiveC_Protocols_, NULL));
3681
3682         Array_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array")));
3683         Function_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function")));
3684         String_ = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String")));
3685
3686         length_ = JSStringCreateWithUTF8CString("length");
3687         message_ = JSStringCreateWithUTF8CString("message");
3688         name_ = JSStringCreateWithUTF8CString("name");
3689         prototype_ = JSStringCreateWithUTF8CString("prototype");
3690         toCYON_ = JSStringCreateWithUTF8CString("toCYON");
3691         toJSON_ = JSStringCreateWithUTF8CString("toJSON");
3692
3693         JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
3694         Object_prototype_ = CYCastJSObject(context, CYGetProperty(context, Object, prototype_));
3695
3696         Array_prototype_ = CYCastJSObject(context, CYGetProperty(context, Array_, prototype_));
3697         Array_pop_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("pop")));
3698         Array_push_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("push")));
3699         Array_splice_ = CYCastJSObject(context, CYGetProperty(context, Array_prototype_, CYJSString("splice")));
3700
3701         JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new));
3702         JSObjectRef Instance(JSObjectMakeConstructor(context, Instance_, &Instance_new));
3703         JSObjectRef Message(JSObjectMakeConstructor(context, Message_, NULL));
3704         JSObjectRef Selector(JSObjectMakeConstructor(context, Selector_, &Selector_new));
3705
3706         Instance_prototype_ = (JSObjectRef) CYGetProperty(context, Instance, prototype_);
3707
3708         JSValueRef function(CYGetProperty(context, Function_, prototype_));
3709         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Message, prototype_), function);
3710         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Functor, prototype_), function);
3711         JSObjectSetPrototype(context, (JSObjectRef) CYGetProperty(context, Selector, prototype_), function);
3712
3713         CYSetProperty(context, global, CYJSString("Functor"), Functor);
3714         CYSetProperty(context, global, CYJSString("Instance"), Instance);
3715         CYSetProperty(context, global, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new));
3716         CYSetProperty(context, global, CYJSString("Selector"), Selector);
3717         CYSetProperty(context, global, CYJSString("Type"), JSObjectMakeConstructor(context, Type_, &Type_new));
3718
3719         MSHookFunction(&objc_registerClassPair, MSHake(objc_registerClassPair));
3720
3721         class_addMethod(NSCFType_, @selector(cy$toJSON:), reinterpret_cast<IMP>(&NSCFType$cy$toJSON), "@12@0:4@8");
3722
3723         JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
3724         CYSetProperty(context, global, CYJSString("Cycript"), cycript);
3725         CYSetProperty(context, cycript, CYJSString("gc"), JSObjectMakeFunctionWithCallback(context, CYJSString("gc"), &Cycript_gc_callAsFunction));
3726
3727         CYSetProperty(context, global, CYJSString("objc_registerClassPair"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_registerClassPair"), &objc_registerClassPair_));
3728         CYSetProperty(context, global, CYJSString("objc_msgSend"), JSObjectMakeFunctionWithCallback(context, CYJSString("objc_msgSend"), &$objc_msgSend));
3729         CYSetProperty(context, global, CYJSString("$cyq"), JSObjectMakeFunctionWithCallback(context, CYJSString("$cyq"), &$cyq));
3730
3731         System_ = JSObjectMake(context, NULL, NULL);
3732         CYSetProperty(context, global, CYJSString("system"), System_);
3733         CYSetProperty(context, System_, CYJSString("args"), CYJSNull(context));
3734         //CYSetProperty(context, System_, CYJSString("global"), global);
3735
3736         CYSetProperty(context, System_, CYJSString("print"), JSObjectMakeFunctionWithCallback(context, CYJSString("print"), &System_print));
3737
3738         Result_ = JSStringCreateWithUTF8CString("_");
3739
3740         JSValueProtect(context, Array_);
3741         JSValueProtect(context, Function_);
3742         JSValueProtect(context, String_);
3743
3744         JSValueProtect(context, Instance_prototype_);
3745         JSValueProtect(context, Object_prototype_);
3746
3747         JSValueProtect(context, Array_prototype_);
3748         JSValueProtect(context, Array_pop_);
3749         JSValueProtect(context, Array_push_);
3750         JSValueProtect(context, Array_splice_);
3751     }
3752
3753     return Context_;
3754 }