Execute.cpp

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2013  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU General Public License, Version 3 {{{ */
   6 /*
   7  * Cycript is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation, either version 3 of the License,
  10  * or (at your option) any later version.
  11  *
  12  * Cycript is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #include "Internal.hpp"
  23
  24 #include <dlfcn.h>
  25 #include <dirent.h>
  26 #include <fcntl.h>
  27 #include <unistd.h>
  28
  29 #include "cycript.hpp"
  30
  31 #include "sig/parse.hpp"
  32 #include "sig/ffi_type.hpp"
  33
  34 #include "Pooling.hpp"
  35 #include "Execute.hpp"
  36
  37 #include <sys/mman.h>
  38 #include <sys/stat.h>
  39
  40 #include <iostream>
  41 #include <set>
  42 #include <map>
  43 #include <iomanip>
  44 #include <sstream>
  45 #include <cmath>
  46
  47 #include "Parser.hpp"
  48
  49 #include "Decode.hpp"
  50 #include "Error.hpp"
  51 #include "JavaScript.hpp"
  52 #include "String.hpp"
  53
  54 struct CYHooks *hooks_;
  55
  56 /* JavaScript Properties {{{ */
  57 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) {
  58     return _jsccall(JSObjectGetPropertyAtIndex, context, object, index);
  59 }
  60
  61 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
  62     return _jsccall(JSObjectGetProperty, context, object, name);
  63 }
  64
  65 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value) {
  66     _jsccall(JSObjectSetPropertyAtIndex, context, object, index, value);
  67 }
  68
  69 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes) {
  70     _jsccall(JSObjectSetProperty, context, object, name, value, attributes);
  71 }
  72
  73 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes) {
  74     CYSetProperty(context, object, name, JSObjectMakeFunctionWithCallback(context, name, callback), attributes);
  75 }
  76 /* }}} */
  77 /* JavaScript Strings {{{ */
  78 JSStringRef CYCopyJSString(const char *value) {
  79     return value == NULL ? NULL : JSStringCreateWithUTF8CString(value);
  80 }
  81
  82 JSStringRef CYCopyJSString(JSStringRef value) {
  83     return value == NULL ? NULL : JSStringRetain(value);
  84 }
  85
  86 JSStringRef CYCopyJSString(CYUTF8String value) {
  87     // XXX: this is very wrong; it needs to convert to UTF16 and then create from there
  88     return CYCopyJSString(value.data);
  89 }
  90
  91 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
  92     if (JSValueIsNull(context, value))
  93         return NULL;
  94     return _jsccall(JSValueToStringCopy, context, value);
  95 }
  96
  97 static CYUTF16String CYCastUTF16String(JSStringRef value) {
  98     return CYUTF16String(JSStringGetCharactersPtr(value), JSStringGetLength(value));
  99 }
 100
 101 CYUTF8String CYPoolUTF8String(CYPool &pool, JSContextRef context, JSStringRef value) {
 102     return CYPoolUTF8String(pool, CYCastUTF16String(value));
 103 }
 104
 105 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSStringRef value) {
 106     CYUTF8String utf8(CYPoolUTF8String(pool, context, value));
 107     _assert(memchr(utf8.data, '\0', utf8.size) == NULL);
 108     return utf8.data;
 109 }
 110
 111 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSValueRef value) {
 112     return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, context, CYJSString(context, value));
 113 }
 114 /* }}} */
 115 /* Index Offsets {{{ */
 116 size_t CYGetIndex(CYPool &pool, JSContextRef context, JSStringRef value) {
 117     return CYGetIndex(CYPoolUTF8String(pool, context, value));
 118 }
 119 /* }}} */
 120
 121 static JSClassRef All_;
 122 static JSClassRef Context_;
 123 JSClassRef Functor_;
 124 static JSClassRef Global_;
 125 static JSClassRef Pointer_;
 126 static JSClassRef Struct_;
 127
 128 JSStringRef Array_s;
 129 JSStringRef cy_s;
 130 JSStringRef length_s;
 131 JSStringRef message_s;
 132 JSStringRef name_s;
 133 JSStringRef pop_s;
 134 JSStringRef prototype_s;
 135 JSStringRef push_s;
 136 JSStringRef splice_s;
 137 JSStringRef toCYON_s;
 138 JSStringRef toJSON_s;
 139 JSStringRef toPointer_s;
 140 JSStringRef toString_s;
 141
 142 static JSStringRef Result_;
 143
 144 void CYFinalize(JSObjectRef object) {
 145     CYData *internal(reinterpret_cast<CYData *>(JSObjectGetPrivate(object)));
 146     _assert(internal->count_ != _not(unsigned));
 147     if (--internal->count_ == 0)
 148         delete internal;
 149 }
 150
 151 void Structor_(CYPool &pool, sig::Type *&type) {
 152     if (
 153         type->primitive == sig::pointer_P &&
 154         type->data.data.type != NULL &&
 155         type->data.data.type->primitive == sig::struct_P &&
 156         type->data.data.type->name != NULL &&
 157         strcmp(type->data.data.type->name, "_objc_class") == 0
 158     ) {
 159         type->primitive = sig::typename_P;
 160         type->data.data.type = NULL;
 161         return;
 162     }
 163
 164     if (type->primitive != sig::struct_P || type->name == NULL)
 165         return;
 166
 167     size_t length(strlen(type->name));
 168     char keyed[length + 2];
 169     memcpy(keyed + 1, type->name, length + 1);
 170
 171     static const char *modes = "34";
 172     for (size_t i(0); i != 2; ++i) {
 173         char mode(modes[i]);
 174         keyed[0] = mode;
 175
 176         if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1))
 177             switch (mode) {
 178                 case '3':
 179                     sig::Parse(pool, &type->data.signature, entry->value_, &Structor_);
 180                 break;
 181
 182                 case '4': {
 183                     sig::Signature signature;
 184                     sig::Parse(pool, &signature, entry->value_, &Structor_);
 185                     type = signature.elements[0].type;
 186                 } break;
 187             }
 188     }
 189 }
 190
 191 JSClassRef Type_privateData::Class_;
 192
 193 struct Context :
 194     CYData
 195 {
 196     JSGlobalContextRef context_;
 197
 198     Context(JSGlobalContextRef context) :
 199         context_(context)
 200     {
 201     }
 202 };
 203
 204 struct Pointer :
 205     CYOwned
 206 {
 207     Type_privateData *type_;
 208     size_t length_;
 209
 210     Pointer(void *value, JSContextRef context, JSObjectRef owner, size_t length, sig::Type *type) :
 211         CYOwned(value, context, owner),
 212         type_(new(*pool_) Type_privateData(type)),
 213         length_(length)
 214     {
 215     }
 216 };
 217
 218 struct Struct_privateData :
 219     CYOwned
 220 {
 221     Type_privateData *type_;
 222
 223     Struct_privateData(JSContextRef context, JSObjectRef owner) :
 224         CYOwned(NULL, context, owner)
 225     {
 226     }
 227 };
 228
 229 typedef std::map<const char *, Type_privateData *, CYCStringLess> TypeMap;
 230 static TypeMap Types_;
 231
 232 JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
 233     Struct_privateData *internal(new Struct_privateData(context, owner));
 234     CYPool &pool(*internal->pool_);
 235     Type_privateData *typical(new(pool) Type_privateData(type, ffi));
 236     internal->type_ = typical;
 237
 238     if (owner != NULL)
 239         internal->value_ = data;
 240     else {
 241         size_t size(typical->GetFFI()->size);
 242         void *copy(internal->pool_->malloc<void>(size));
 243         memcpy(copy, data, size);
 244         internal->value_ = copy;
 245     }
 246
 247     return JSObjectMake(context, Struct_, internal);
 248 }
 249
 250 static void *CYCastSymbol(const char *name) {
 251     return dlsym(RTLD_DEFAULT, name);
 252 }
 253
 254 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
 255     return JSValueMakeBoolean(context, value);
 256 }
 257
 258 JSValueRef CYCastJSValue(JSContextRef context, double value) {
 259     return JSValueMakeNumber(context, value);
 260 }
 261
 262 #define CYCastJSValue_(Type_) \
 263     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
 264         return JSValueMakeNumber(context, static_cast<double>(value)); \
 265     }
 266
 267 CYCastJSValue_(int)
 268 CYCastJSValue_(unsigned int)
 269 CYCastJSValue_(long int)
 270 CYCastJSValue_(long unsigned int)
 271 CYCastJSValue_(long long int)
 272 CYCastJSValue_(long long unsigned int)
 273
 274 JSValueRef CYJSUndefined(JSContextRef context) {
 275     return JSValueMakeUndefined(context);
 276 }
 277
 278 double CYCastDouble(JSContextRef context, JSValueRef value) {
 279     return _jsccall(JSValueToNumber, context, value);
 280 }
 281
 282 bool CYCastBool(JSContextRef context, JSValueRef value) {
 283     return JSValueToBoolean(context, value);
 284 }
 285
 286 JSValueRef CYJSNull(JSContextRef context) {
 287     return JSValueMakeNull(context);
 288 }
 289
 290 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) {
 291     return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value);
 292 }
 293
 294 JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
 295     return CYCastJSValue(context, CYJSString(value));
 296 }
 297
 298 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
 299     return _jsccall(JSValueToObject, context, value);
 300 }
 301
 302 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 303     return _jsccall(JSObjectCallAsFunction, context, function, _this, count, arguments);
 304 }
 305
 306 bool CYIsCallable(JSContextRef context, JSValueRef value) {
 307     return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value);
 308 }
 309
 310 size_t CYArrayLength(JSContextRef context, JSObjectRef array) {
 311     return CYCastDouble(context, CYGetProperty(context, array, length_s));
 312 }
 313
 314 JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index) {
 315     return _jsccall(JSObjectGetPropertyAtIndex, context, array, index);
 316 }
 317
 318 void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value) {
 319     JSValueRef arguments[1];
 320     arguments[0] = value;
 321     JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype")));
 322     _jsccall(JSObjectCallAsFunction, context, CYCastJSObject(context, CYGetProperty(context, Array, push_s)), array, 1, arguments);
 323 }
 324
 325 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 326     if (count == 0)
 327         printf("\n");
 328     else {
 329         CYPool pool;
 330         printf("%s\n", CYPoolCString(pool, context, arguments[0]));
 331     }
 332
 333     return CYJSUndefined(context);
 334 } CYCatch(NULL) }
 335
 336 static size_t Nonce_(0);
 337
 338 static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 339     CYPool pool;
 340     const char *name(pool.strcat(CYPoolCString(pool, context, arguments[0]), pool.itoa(Nonce_++), NULL));
 341     return CYCastJSValue(context, name);
 342 } CYCatch(NULL) }
 343
 344 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 345     JSGarbageCollect(context);
 346     return CYJSUndefined(context);
 347 } CYCatch(NULL) }
 348
 349 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, JSValueRef *exception) { CYTry {
 350     switch (JSType type = JSValueGetType(context, value)) {
 351         case kJSTypeUndefined:
 352             return "undefined";
 353         case kJSTypeNull:
 354             return "null";
 355         case kJSTypeBoolean:
 356             return CYCastBool(context, value) ? "true" : "false";
 357
 358         case kJSTypeNumber: {
 359             std::ostringstream str;
 360             CYNumerify(str, CYCastDouble(context, value));
 361             std::string value(str.str());
 362             return pool.strmemdup(value.c_str(), value.size());
 363         } break;
 364
 365         case kJSTypeString: {
 366             std::ostringstream str;
 367             CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, value)));
 368             CYStringify(str, string.data, string.size);
 369             std::string value(str.str());
 370             return pool.strmemdup(value.c_str(), value.size());
 371         } break;
 372
 373         case kJSTypeObject:
 374             return CYPoolCCYON(pool, context, (JSObjectRef) value);
 375         default:
 376             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 377     }
 378 } CYCatch(NULL) }
 379
 380 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value) {
 381     return _jsccall(CYPoolCCYON, pool, context, value);
 382 }
 383
 384 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object) {
 385     JSValueRef toCYON(CYGetProperty(context, object, toCYON_s));
 386     if (CYIsCallable(context, toCYON)) {
 387         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 0, NULL));
 388         _assert(value != NULL);
 389         return CYPoolCString(pool, context, value);
 390     }
 391
 392     JSValueRef toJSON(CYGetProperty(context, object, toJSON_s));
 393     if (CYIsCallable(context, toJSON)) {
 394         JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 395         return _jsccall(CYPoolCCYON, pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments));
 396     }
 397
 398     if (JSObjectIsFunction(context, object)) {
 399         JSValueRef toString(CYGetProperty(context, object, toString_s));
 400         if (CYIsCallable(context, toString)) {
 401             JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 402             JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toString, object, 1, arguments));
 403             _assert(value != NULL);
 404             return CYPoolCString(pool, context, value);
 405         }
 406     }
 407
 408     std::ostringstream str;
 409
 410     str << '{';
 411
 412     // XXX: this is, sadly, going to leak
 413     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, object));
 414
 415     bool comma(false);
 416
 417     for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) {
 418         if (comma)
 419             str << ',';
 420         else
 421             comma = true;
 422
 423         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
 424         CYUTF8String string(CYPoolUTF8String(pool, context, name));
 425
 426         if (CYIsKey(string))
 427             str << string.data;
 428         else
 429             CYStringify(str, string.data, string.size);
 430
 431         str << ':';
 432
 433         try {
 434             JSValueRef value(CYGetProperty(context, object, name));
 435             str << CYPoolCCYON(pool, context, value);
 436         } catch (const CYException &error) {
 437             str << "@error";
 438         }
 439     }
 440
 441     JSPropertyNameArrayRelease(names);
 442
 443     str << '}';
 444
 445     std::string string(str.str());
 446     return pool.strmemdup(string.c_str(), string.size());
 447 }
 448
 449 static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 450     CYPool pool;
 451     std::ostringstream str;
 452
 453     str << '[';
 454
 455     JSValueRef length(CYGetProperty(context, _this, length_s));
 456     bool comma(false);
 457
 458     for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) {
 459         if (comma)
 460             str << ',';
 461         else
 462             comma = true;
 463
 464         try {
 465             JSValueRef value(CYGetProperty(context, _this, index));
 466             if (!JSValueIsUndefined(context, value))
 467                 str << CYPoolCCYON(pool, context, value);
 468             else {
 469                 str << ',';
 470                 comma = false;
 471             }
 472         } catch (const CYException &error) {
 473             str << "@error";
 474         }
 475     }
 476
 477     str << ']';
 478
 479     std::string value(str.str());
 480     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 481 } CYCatch(NULL) }
 482
 483 static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 484     CYPool pool;
 485     std::ostringstream str;
 486
 487     CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, _this)));
 488     CYStringify(str, string.data, string.size);
 489
 490     std::string value(str.str());
 491     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 492 } CYCatch(NULL) }
 493
 494 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, sig::Type *type, ffi_type *ffi, JSObjectRef owner) {
 495     Pointer *internal(new Pointer(pointer, context, owner, length, type));
 496     return JSObjectMake(context, Pointer_, internal);
 497 }
 498
 499 static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *encoding) {
 500     return JSObjectMake(context, Functor_, new cy::Functor(encoding, function));
 501 }
 502
 503 static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), sig::Signature &signature) {
 504     return JSObjectMake(context, Functor_, new cy::Functor(signature, function));
 505 }
 506
 507 static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *type, void **cache) {
 508     cy::Functor *internal;
 509     if (*cache != NULL)
 510         internal = reinterpret_cast<cy::Functor *>(*cache);
 511     else {
 512         void (*function)()(reinterpret_cast<void (*)()>(CYCastSymbol(symbol)));
 513         if (function == NULL)
 514             return NULL;
 515
 516         internal = new cy::Functor(type, function);
 517         *cache = internal;
 518     }
 519
 520     ++internal->count_;
 521     return JSObjectMake(context, Functor_, internal);
 522 }
 523
 524 static bool CYGetOffset(CYPool &pool, JSContextRef context, JSStringRef value, ssize_t &index) {
 525     return CYGetOffset(CYPoolCString(pool, context, value), index);
 526 }
 527
 528 void *CYCastPointer_(JSContextRef context, JSValueRef value) {
 529     switch (JSValueGetType(context, value)) {
 530         case kJSTypeNull:
 531             return NULL;
 532         case kJSTypeObject: {
 533             JSObjectRef object((JSObjectRef) value);
 534             if (JSValueIsObjectOfClass(context, value, Pointer_)) {
 535                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
 536                 return internal->value_;
 537             }
 538             JSValueRef toPointer(CYGetProperty(context, object, toPointer_s));
 539             if (CYIsCallable(context, toPointer)) {
 540                 JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
 541                 _assert(value != NULL);
 542                 return CYCastPointer_(context, value);
 543             }
 544         } default:
 545             double number(CYCastDouble(context, value));
 546             if (std::isnan(number))
 547                 throw CYJSError(context, "cannot convert value to pointer");
 548             return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
 549     }
 550 }
 551
 552 void CYPoolFFI(CYPool *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) {
 553     switch (type->primitive) {
 554         case sig::boolean_P:
 555             *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
 556         break;
 557
 558 #define CYPoolFFI_(primitive, native) \
 559         case sig::primitive ## _P: \
 560             *reinterpret_cast<native *>(data) = CYCastDouble(context, value); \
 561         break;
 562
 563         CYPoolFFI_(uchar, unsigned char)
 564         CYPoolFFI_(char, char)
 565         CYPoolFFI_(ushort, unsigned short)
 566         CYPoolFFI_(short, short)
 567         CYPoolFFI_(ulong, unsigned long)
 568         CYPoolFFI_(long, long)
 569         CYPoolFFI_(uint, unsigned int)
 570         CYPoolFFI_(int, int)
 571         CYPoolFFI_(ulonglong, unsigned long long)
 572         CYPoolFFI_(longlong, long long)
 573         CYPoolFFI_(float, float)
 574         CYPoolFFI_(double, double)
 575
 576         case sig::array_P: {
 577             uint8_t *base(reinterpret_cast<uint8_t *>(data));
 578             JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
 579             for (size_t index(0); index != type->data.data.size; ++index) {
 580                 ffi_type *field(ffi->elements[index]);
 581
 582                 JSValueRef rhs;
 583                 if (aggregate == NULL)
 584                     rhs = value;
 585                 else {
 586                     rhs = CYGetProperty(context, aggregate, index);
 587                     if (JSValueIsUndefined(context, rhs))
 588                         throw CYJSError(context, "unable to extract array value");
 589                 }
 590
 591                 CYPoolFFI(pool, context, type->data.data.type, field, base, rhs);
 592                 // XXX: alignment?
 593                 base += field->size;
 594             }
 595         } break;
 596
 597         case sig::pointer_P:
 598             *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value);
 599         break;
 600
 601         case sig::string_P:
 602             _assert(pool != NULL);
 603             *reinterpret_cast<const char **>(data) = CYPoolCString(*pool, context, value);
 604         break;
 605
 606         case sig::struct_P: {
 607             uint8_t *base(reinterpret_cast<uint8_t *>(data));
 608             JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
 609             for (size_t index(0); index != type->data.signature.count; ++index) {
 610                 sig::Element *element(&type->data.signature.elements[index]);
 611                 ffi_type *field(ffi->elements[index]);
 612
 613                 JSValueRef rhs;
 614                 if (aggregate == NULL)
 615                     rhs = value;
 616                 else {
 617                     rhs = CYGetProperty(context, aggregate, index);
 618                     if (JSValueIsUndefined(context, rhs)) {
 619                         if (element->name != NULL)
 620                             rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
 621                         else
 622                             goto undefined;
 623                         if (JSValueIsUndefined(context, rhs)) undefined:
 624                             throw CYJSError(context, "unable to extract structure value");
 625                     }
 626                 }
 627
 628                 CYPoolFFI(pool, context, element->type, field, base, rhs);
 629                 // XXX: alignment?
 630                 base += field->size;
 631             }
 632         } break;
 633
 634         case sig::void_P:
 635         break;
 636
 637         default:
 638             if (hooks_ != NULL && hooks_->PoolFFI != NULL)
 639                 if ((*hooks_->PoolFFI)(pool, context, type, ffi, data, value))
 640                     return;
 641
 642             CYThrow("unimplemented signature code: '%c''\n", type->primitive);
 643     }
 644 }
 645
 646 JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) {
 647     switch (type->primitive) {
 648         case sig::boolean_P:
 649             return CYCastJSValue(context, *reinterpret_cast<bool *>(data));
 650
 651 #define CYFromFFI_(primitive, native) \
 652         case sig::primitive ## _P: \
 653             return CYCastJSValue(context, *reinterpret_cast<native *>(data)); \
 654
 655         CYFromFFI_(uchar, unsigned char)
 656         CYFromFFI_(char, char)
 657         CYFromFFI_(ushort, unsigned short)
 658         CYFromFFI_(short, short)
 659         CYFromFFI_(ulong, unsigned long)
 660         CYFromFFI_(long, long)
 661         CYFromFFI_(uint, unsigned int)
 662         CYFromFFI_(int, int)
 663         CYFromFFI_(ulonglong, unsigned long long)
 664         CYFromFFI_(longlong, long long)
 665         CYFromFFI_(float, float)
 666         CYFromFFI_(double, double)
 667
 668         case sig::array_P:
 669             if (void *pointer = data)
 670                 return CYMakePointer(context, pointer, type->data.data.size, type->data.data.type, NULL, owner);
 671             else goto null;
 672
 673         case sig::pointer_P:
 674             if (void *pointer = *reinterpret_cast<void **>(data))
 675                 return CYMakePointer(context, pointer, _not(size_t), type->data.data.type, NULL, owner);
 676             else goto null;
 677
 678         case sig::string_P:
 679             if (char *utf8 = *reinterpret_cast<char **>(data))
 680                 return CYCastJSValue(context, utf8);
 681             else goto null;
 682
 683         case sig::struct_P:
 684             return CYMakeStruct(context, data, type, ffi, owner);
 685         case sig::void_P:
 686             return CYJSUndefined(context);
 687
 688         null:
 689             return CYJSNull(context);
 690         default:
 691             if (hooks_ != NULL && hooks_->FromFFI != NULL)
 692                 if (JSValueRef value = (*hooks_->FromFFI)(context, type, ffi, data, initialize, owner))
 693                     return value;
 694
 695             CYThrow("unimplemented signature code: '%c''\n", type->primitive);
 696     }
 697 }
 698
 699 void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) {
 700     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
 701
 702     JSContextRef context(internal->context_);
 703
 704     size_t count(internal->cif_.nargs);
 705     JSValueRef values[count];
 706
 707     for (size_t index(0); index != count; ++index)
 708         values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]);
 709
 710     JSValueRef value(adapter(context, count, values, internal->function_));
 711     CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value);
 712 }
 713
 714 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
 715     return CYCallAsFunction(context, function, NULL, count, values);
 716 }
 717
 718 static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) {
 719     CYExecuteClosure(cif, result, arguments, arg, &FunctionAdapter_);
 720 }
 721
 722 Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const char *type, void (*callback)(ffi_cif *, void *, void **, void *)) {
 723     // XXX: in case of exceptions this will leak
 724     // XXX: in point of fact, this may /need/ to leak :(
 725     Closure_privateData *internal(new Closure_privateData(context, function, type));
 726
 727 #if defined(__APPLE__) && defined(__arm__)
 728     void *executable;
 729     ffi_closure *writable(reinterpret_cast<ffi_closure *>(ffi_closure_alloc(sizeof(ffi_closure), &executable)));
 730
 731     ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, callback, internal, executable));
 732     _assert(status == FFI_OK);
 733
 734     internal->value_ = executable;
 735 #else
 736     ffi_closure *closure((ffi_closure *) _syscall(mmap(
 737         NULL, sizeof(ffi_closure),
 738         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
 739         -1, 0
 740     )));
 741
 742     ffi_status status(ffi_prep_closure(closure, &internal->cif_, callback, internal));
 743     _assert(status == FFI_OK);
 744
 745     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
 746
 747     internal->value_ = closure;
 748 #endif
 749
 750     return internal;
 751 }
 752
 753 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const char *type) {
 754     Closure_privateData *internal(CYMakeFunctor_(context, function, type, &FunctionClosure_));
 755     JSObjectRef object(JSObjectMake(context, Functor_, internal));
 756     // XXX: see above notes about needing to leak
 757     JSValueProtect(CYGetJSContext(context), object);
 758     return object;
 759 }
 760
 761 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) {
 762     return CYCastJSObject(context, CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name));
 763 }
 764
 765 static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const char *type) {
 766     JSObjectRef Function(CYGetCachedObject(context, CYJSString("Function")));
 767
 768     bool function(_jsccall(JSValueIsInstanceOfConstructor, context, value, Function));
 769     if (function) {
 770         JSObjectRef function(CYCastJSObject(context, value));
 771         return CYMakeFunctor(context, function, type);
 772     } else {
 773         void (*function)()(CYCastPointer<void (*)()>(context, value));
 774         return CYMakeFunctor(context, function, type);
 775     }
 776 }
 777
 778 static bool Index_(CYPool &pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
 779     Type_privateData *typical(internal->type_);
 780     sig::Type *type(typical->type_);
 781     if (type == NULL)
 782         return false;
 783
 784     const char *name(CYPoolCString(pool, context, property));
 785     size_t length(strlen(name));
 786     double number(CYCastDouble(name, length));
 787
 788     size_t count(type->data.signature.count);
 789
 790     if (std::isnan(number)) {
 791         if (property == NULL)
 792             return false;
 793
 794         sig::Element *elements(type->data.signature.elements);
 795
 796         for (size_t local(0); local != count; ++local) {
 797             sig::Element *element(&elements[local]);
 798             if (element->name != NULL && strcmp(name, element->name) == 0) {
 799                 index = local;
 800                 goto base;
 801             }
 802         }
 803
 804         return false;
 805     } else {
 806         index = static_cast<ssize_t>(number);
 807         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
 808             return false;
 809     }
 810
 811   base:
 812     ffi_type **elements(typical->GetFFI()->elements);
 813
 814     base = reinterpret_cast<uint8_t *>(internal->value_);
 815     for (ssize_t local(0); local != index; ++local)
 816         base += elements[local]->size;
 817
 818     return true;
 819 }
 820
 821 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
 822     CYPool pool;
 823     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
 824
 825     if (JSStringIsEqual(property, length_s))
 826         return internal->length_ == _not(size_t) ? CYJSUndefined(context) : CYCastJSValue(context, internal->length_);
 827
 828     Type_privateData *typical(internal->type_);
 829
 830     if (typical->type_ == NULL)
 831         return NULL;
 832
 833     ssize_t offset;
 834     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
 835         offset = 0;
 836     else if (!CYGetOffset(pool, context, property, offset))
 837         return NULL;
 838
 839     ffi_type *ffi(typical->GetFFI());
 840
 841     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
 842     base += ffi->size * offset;
 843
 844     JSObjectRef owner(internal->GetOwner() ?: object);
 845     return CYFromFFI(context, typical->type_, ffi, base, false, owner);
 846 } CYCatch(NULL) }
 847
 848 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
 849     CYPool pool;
 850     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
 851     Type_privateData *typical(internal->type_);
 852
 853     if (typical->type_ == NULL)
 854         return false;
 855
 856     ssize_t offset;
 857     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
 858         offset = 0;
 859     else if (!CYGetOffset(pool, context, property, offset))
 860         return false;
 861
 862     ffi_type *ffi(typical->GetFFI());
 863
 864     uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_));
 865     base += ffi->size * offset;
 866
 867     CYPoolFFI(NULL, context, typical->type_, ffi, base, value);
 868     return true;
 869 } CYCatch(false) }
 870
 871 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 872     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
 873     Type_privateData *typical(internal->type_);
 874     return CYMakePointer(context, internal->value_, _not(size_t), typical->type_, typical->ffi_, _this);
 875 } CYCatch(NULL) }
 876
 877 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
 878     CYPool pool;
 879     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
 880     Type_privateData *typical(internal->type_);
 881
 882     ssize_t index;
 883     uint8_t *base;
 884
 885     if (!Index_(pool, context, internal, property, index, base))
 886         return NULL;
 887
 888     JSObjectRef owner(internal->GetOwner() ?: object);
 889
 890     return CYFromFFI(context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, false, owner);
 891 } CYCatch(NULL) }
 892
 893 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
 894     CYPool pool;
 895     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
 896     Type_privateData *typical(internal->type_);
 897
 898     ssize_t index;
 899     uint8_t *base;
 900
 901     if (!Index_(pool, context, internal, property, index, base))
 902         return false;
 903
 904     CYPoolFFI(NULL, context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, value);
 905     return true;
 906 } CYCatch(false) }
 907
 908 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
 909     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
 910     Type_privateData *typical(internal->type_);
 911     sig::Type *type(typical->type_);
 912
 913     if (type == NULL)
 914         return;
 915
 916     size_t count(type->data.signature.count);
 917     sig::Element *elements(type->data.signature.elements);
 918
 919     char number[32];
 920
 921     for (size_t index(0); index != count; ++index) {
 922         const char *name;
 923         name = elements[index].name;
 924
 925         if (name == NULL) {
 926             sprintf(number, "%zu", index);
 927             name = number;
 928         }
 929
 930         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
 931     }
 932 }
 933
 934 JSValueRef CYCallFunction(CYPool &pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, sig::Signature *signature, ffi_cif *cif, void (*function)()) {
 935     if (setups + count != signature->count - 1)
 936         throw CYJSError(context, "incorrect number of arguments to ffi function");
 937
 938     size_t size(setups + count);
 939     void *values[size];
 940     memcpy(values, setup, sizeof(void *) * setups);
 941
 942     for (size_t index(setups); index != size; ++index) {
 943         sig::Element *element(&signature->elements[index + 1]);
 944         ffi_type *ffi(cif->arg_types[index]);
 945         // XXX: alignment?
 946         values[index] = new(pool) uint8_t[ffi->size];
 947         CYPoolFFI(&pool, context, element->type, ffi, values[index], arguments[index - setups]);
 948     }
 949
 950     uint8_t value[cif->rtype->size];
 951
 952     if (hooks_ != NULL && hooks_->CallFunction != NULL)
 953         (*hooks_->CallFunction)(context, cif, function, value, values);
 954     else
 955         ffi_call(cif, function, value, values);
 956
 957     return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize);
 958 }
 959
 960 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 961     CYPool pool;
 962     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
 963     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, &internal->signature_, &internal->cif_, internal->GetValue());
 964 } CYCatch(NULL) }
 965
 966 JSObjectRef CYMakeType(JSContextRef context, const char *encoding) {
 967     Type_privateData *internal(new Type_privateData(encoding));
 968     return JSObjectMake(context, Type_privateData::Class_, internal);
 969 }
 970
 971 JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) {
 972     Type_privateData *internal(new Type_privateData(type));
 973     return JSObjectMake(context, Type_privateData::Class_, internal);
 974 }
 975
 976 JSObjectRef CYMakeType(JSContextRef context, sig::Signature *signature) {
 977     CYPool pool;
 978
 979     sig::Type type;
 980     type.name = NULL;
 981     type.flags = 0;
 982
 983     type.primitive = sig::function_P;
 984     sig::Copy(pool, type.data.signature, *signature);
 985
 986     return CYMakeType(context, &type);
 987 }
 988
 989 static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
 990     JSObjectRef global(CYGetGlobalObject(context));
 991     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
 992     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
 993
 994     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
 995         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
 996             if (JSValueRef value = CYGetProperty(context, space, property))
 997                 if (!JSValueIsUndefined(context, value))
 998                     return value;
 999
1000     CYPool pool;
1001     CYUTF8String name(CYPoolUTF8String(pool, context, property));
1002
1003     size_t length(name.size);
1004     char keyed[length + 2];
1005     memcpy(keyed + 1, name.data, length + 1);
1006
1007     static const char *modes = "0124";
1008     for (size_t i(0); i != 4; ++i) {
1009         char mode(modes[i]);
1010         keyed[0] = mode;
1011
1012         if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1))
1013             switch (mode) {
1014                 case '0':
1015                     return JSEvaluateScript(CYGetJSContext(context), CYJSString(entry->value_), NULL, NULL, 0, NULL);
1016
1017                 case '1':
1018                     return CYMakeFunctor(context, name.data, entry->value_, &entry->cache_);
1019
1020                 case '2':
1021                     if (void *symbol = CYCastSymbol(name.data)) {
1022                         // XXX: this is horrendously inefficient
1023                         sig::Signature signature;
1024                         sig::Parse(pool, &signature, entry->value_, &Structor_);
1025                         ffi_cif cif;
1026                         sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif);
1027                         return CYFromFFI(context, signature.elements[0].type, cif.rtype, symbol);
1028                     } else return NULL;
1029
1030                 // XXX: implement case 3
1031                 case '4':
1032                     return CYMakeType(context, entry->value_);
1033             }
1034     }
1035
1036     return NULL;
1037 } CYCatch(NULL) }
1038
1039 static void All_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1040     JSObjectRef global(CYGetGlobalObject(context));
1041     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1042     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1043
1044     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1045         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) {
1046             JSPropertyNameArrayRef subset(JSObjectCopyPropertyNames(context, space));
1047             for (size_t index(0), count(JSPropertyNameArrayGetCount(subset)); index != count; ++index)
1048                 JSPropertyNameAccumulatorAddName(names, JSPropertyNameArrayGetNameAtIndex(subset, index));
1049             JSPropertyNameArrayRelease(subset);
1050         }
1051 }
1052
1053 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1054     if (count != 2)
1055         throw CYJSError(context, "incorrect number of arguments to Pointer constructor");
1056
1057     CYPool pool;
1058
1059     void *value(CYCastPointer<void *>(context, arguments[0]));
1060     const char *type(CYPoolCString(pool, context, arguments[1]));
1061
1062     sig::Signature signature;
1063     sig::Parse(pool, &signature, type, &Structor_);
1064
1065     return CYMakePointer(context, value, _not(size_t), signature.elements[0].type, NULL, NULL);
1066 } CYCatch(NULL) }
1067
1068 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1069     if (count != 1)
1070         throw CYJSError(context, "incorrect number of arguments to Type constructor");
1071     CYPool pool;
1072     const char *type(CYPoolCString(pool, context, arguments[0]));
1073     return CYMakeType(context, type);
1074 } CYCatch(NULL) }
1075
1076 static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1077     if (count != 1)
1078         throw CYJSError(context, "incorrect number of arguments to Type.arrayOf");
1079     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1080
1081     CYPool pool;
1082     size_t index(CYGetIndex(pool, context, CYJSString(context, arguments[0])));
1083     if (index == _not(size_t))
1084         throw CYJSError(context, "invalid array size used with Type.arrayOf");
1085
1086     sig::Type type;
1087     type.name = NULL;
1088     type.flags = 0;
1089
1090     type.primitive = sig::array_P;
1091     type.data.data.type = internal->type_;
1092     type.data.data.size = index;
1093
1094     return CYMakeType(context, &type);
1095 } CYCatch(NULL) }
1096
1097 static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1098     if (count != 0)
1099         throw CYJSError(context, "incorrect number of arguments to Type.constant");
1100     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1101
1102     sig::Type type(*internal->type_);
1103     type.flags |= JOC_TYPE_CONST;
1104     return CYMakeType(context, &type);
1105 } CYCatch(NULL) }
1106
1107 static JSValueRef Type_callAsFunction_functionWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1108     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1109
1110     CYPool pool;
1111
1112     sig::Type type;
1113     type.name = NULL;
1114     type.flags = 0;
1115
1116     type.primitive = sig::function_P;
1117     type.data.signature.elements = new(pool) sig::Element[1 + count];
1118     type.data.signature.count = 1 + count;
1119
1120     type.data.signature.elements[0].name = NULL;
1121     type.data.signature.elements[0].type = internal->type_;
1122     type.data.signature.elements[0].offset = _not(size_t);
1123
1124     for (size_t i(0); i != count; ++i) {
1125         sig::Element &element(type.data.signature.elements[i + 1]);
1126         element.name = NULL;
1127         element.offset = _not(size_t);
1128
1129         JSObjectRef object(CYCastJSObject(context, arguments[i]));
1130         _assert(JSValueIsObjectOfClass(context, object, Type_privateData::Class_));
1131         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1132
1133         element.type = internal->type_;
1134     }
1135
1136     return CYMakeType(context, &type);
1137 } CYCatch(NULL) }
1138
1139 static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1140     if (count != 0)
1141         throw CYJSError(context, "incorrect number of arguments to Type.pointerTo");
1142     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1143
1144     sig::Type type;
1145     type.name = NULL;
1146
1147     if (internal->type_->primitive == sig::char_P) {
1148         type.flags = internal->type_->flags;
1149         type.primitive = sig::string_P;
1150         type.data.data.type = NULL;
1151         type.data.data.size = 0;
1152     } else {
1153         type.flags = 0;
1154         type.primitive = sig::pointer_P;
1155         type.data.data.type = internal->type_;
1156         type.data.data.size = 0;
1157     }
1158
1159     return CYMakeType(context, &type);
1160 } CYCatch(NULL) }
1161
1162 static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1163     if (count != 1)
1164         throw CYJSError(context, "incorrect number of arguments to Type.withName");
1165     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1166
1167     CYPool pool;
1168     const char *name(CYPoolCString(pool, context, arguments[0]));
1169
1170     sig::Type type(*internal->type_);
1171     type.name = name;
1172     return CYMakeType(context, &type);
1173 } CYCatch(NULL) }
1174
1175 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1176     if (count != 1)
1177         throw CYJSError(context, "incorrect number of arguments to type cast function");
1178     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1179
1180     if (internal->type_->primitive == sig::function_P)
1181         return CYMakeFunctor(context, reinterpret_cast<void (*)()>(static_cast<uintptr_t>(CYCastDouble(context, arguments[0]))), internal->type_->data.signature);
1182
1183     sig::Type *type(internal->type_);
1184     ffi_type *ffi(internal->GetFFI());
1185     // XXX: alignment?
1186     uint8_t value[ffi->size];
1187     CYPool pool;
1188     CYPoolFFI(&pool, context, type, ffi, value, arguments[0]);
1189     return CYFromFFI(context, type, ffi, value);
1190 } CYCatch(NULL) }
1191
1192 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1193     if (count != 0)
1194         throw CYJSError(context, "incorrect number of arguments to Type allocator");
1195     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1196
1197     sig::Type *type(internal->type_);
1198     size_t length;
1199
1200     if (type->primitive != sig::array_P)
1201         length = _not(size_t);
1202     else {
1203         length = type->data.data.size;
1204         type = type->data.data.type;
1205     }
1206
1207     void *value(malloc(internal->GetFFI()->size));
1208     return CYMakePointer(context, value, length, type, NULL, NULL);
1209 } CYCatch(NULL) }
1210
1211 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1212     if (count != 2)
1213         throw CYJSError(context, "incorrect number of arguments to Functor constructor");
1214     CYPool pool;
1215     const char *type(CYPoolCString(pool, context, arguments[1]));
1216     return CYMakeFunctor(context, arguments[0], type);
1217 } CYCatch(NULL) }
1218
1219 static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1220     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
1221     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1222 } CYCatch(NULL) }
1223
1224 static JSValueRef CYValue_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1225     return CYValue_callAsFunction_valueOf(context, object, _this, count, arguments, exception);
1226 }
1227
1228 static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1229     CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this)));
1230     char string[32];
1231     sprintf(string, "%p", internal->value_);
1232     return CYCastJSValue(context, string);
1233 } CYCatch(NULL) }
1234
1235 static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1236     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1237     if (internal->length_ != _not(size_t)) {
1238         JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype")));
1239         JSObjectRef toCYON(CYCastJSObject(context, CYGetProperty(context, Array, toCYON_s)));
1240         return CYCallAsFunction(context, toCYON, _this, count, arguments);
1241     } else {
1242         char string[32];
1243         sprintf(string, "%p", internal->value_);
1244         return CYCastJSValue(context, string);
1245     }
1246 } CYCatch(NULL) }
1247
1248 static JSValueRef Functor_getProperty_type(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1249     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1250     return CYMakeType(context, &internal->signature_);
1251 } CYCatch(NULL) }
1252
1253 static JSValueRef Type_getProperty_alignment(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1254     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1255     return CYCastJSValue(context, internal->GetFFI()->alignment);
1256 } CYCatch(NULL) }
1257
1258 static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1259     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1260     return CYCastJSValue(context, internal->type_->name);
1261 } CYCatch(NULL) }
1262
1263 static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1264     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1265     return CYCastJSValue(context, internal->GetFFI()->size);
1266 } CYCatch(NULL) }
1267
1268 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1269     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1270     CYPool pool;
1271     const char *type(sig::Unparse(pool, internal->type_));
1272     return CYCastJSValue(context, CYJSString(type));
1273 } CYCatch(NULL) }
1274
1275 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1276     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1277     CYLocalPool pool;
1278     std::ostringstream out;
1279     CYOptions options;
1280     CYOutput output(out, options);
1281     (new(pool) CYEncodedType(Decode(pool, internal->type_)))->Output(output, CYNoFlags);
1282     return CYCastJSValue(context, CYJSString(out.str().c_str()));
1283 } CYCatch(NULL) }
1284
1285 static JSValueRef Type_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1286     return Type_callAsFunction_toString(context, object, _this, count, arguments, exception);
1287 }
1288
1289 static JSStaticFunction Pointer_staticFunctions[4] = {
1290     {"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1291     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1292     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1293     {NULL, NULL, 0}
1294 };
1295
1296 static JSStaticFunction Struct_staticFunctions[2] = {
1297     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1298     {NULL, NULL, 0}
1299 };
1300
1301 static JSStaticFunction Functor_staticFunctions[4] = {
1302     {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1303     {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1304     {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1305     {NULL, NULL, 0}
1306 };
1307
1308 namespace cy {
1309     JSStaticFunction const * const Functor::StaticFunctions = Functor_staticFunctions;
1310 }
1311
1312 static JSStaticValue Functor_staticValues[2] = {
1313     {"type", &Functor_getProperty_type, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1314     {NULL, NULL, NULL, 0}
1315 };
1316
1317 static JSStaticValue Type_staticValues[4] = {
1318     {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1319     {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1320     {"size", &Type_getProperty_size, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1321     {NULL, NULL, NULL, 0}
1322 };
1323
1324 static JSStaticFunction Type_staticFunctions[9] = {
1325     {"arrayOf", &Type_callAsFunction_arrayOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1326     {"constant", &Type_callAsFunction_constant, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1327     {"functionWith", &Type_callAsFunction_functionWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1328     {"pointerTo", &Type_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1329     {"withName", &Type_callAsFunction_withName, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1330     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1331     {"toJSON", &Type_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1332     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1333     {NULL, NULL, 0}
1334 };
1335
1336 static JSObjectRef (*JSObjectMakeArray$)(JSContextRef, size_t, const JSValueRef[], JSValueRef *);
1337
1338 void CYSetArgs(int argc, const char *argv[]) {
1339     JSContextRef context(CYGetJSContext());
1340     JSValueRef args[argc];
1341     for (int i(0); i != argc; ++i)
1342         args[i] = CYCastJSValue(context, argv[i]);
1343
1344     JSObjectRef array;
1345     if (JSObjectMakeArray$ != NULL)
1346         array = _jsccall(*JSObjectMakeArray$, context, argc, args);
1347     else {
1348         JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array")));
1349         JSValueRef value(CYCallAsFunction(context, Array, NULL, argc, args));
1350         array = CYCastJSObject(context, value);
1351     }
1352
1353     JSObjectRef System(CYGetCachedObject(context, CYJSString("System")));
1354     CYSetProperty(context, System, CYJSString("args"), array);
1355 }
1356
1357 JSObjectRef CYGetGlobalObject(JSContextRef context) {
1358     return JSContextGetGlobalObject(context);
1359 }
1360
1361 const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) {
1362     JSValueRef exception(NULL);
1363
1364     void *handle;
1365     if (hooks_ != NULL && hooks_->ExecuteStart != NULL)
1366         handle = (*hooks_->ExecuteStart)(context);
1367     else
1368         handle = NULL;
1369
1370     try {
1371
1372     JSValueRef result;
1373     try {
1374         result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception);
1375     } catch (const char *error) {
1376         return error;
1377     }
1378
1379     if (exception != NULL) error:
1380         return CYPoolCString(pool, context, CYJSString(context, exception));
1381
1382     if (JSValueIsUndefined(context, result))
1383         return NULL;
1384
1385     const char *json;
1386     try {
1387         json = CYPoolCCYON(pool, context, result, &exception);
1388     } catch (const char *error) {
1389         return error;
1390     }
1391
1392     if (exception != NULL)
1393         goto error;
1394
1395     CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
1396
1397     return json;
1398
1399     } catch (...) {
1400         if (hooks_ != NULL && hooks_->ExecuteEnd != NULL)
1401             (*hooks_->ExecuteEnd)(context, handle);
1402         throw;
1403     }
1404 }
1405
1406 extern "C" void CydgetSetupContext(JSGlobalContextRef context) {
1407     CYSetupContext(context);
1408 }
1409
1410 static bool initialized_ = false;
1411
1412 void CYInitializeDynamic() {
1413     if (!initialized_)
1414         initialized_ = true;
1415     else return;
1416
1417     JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
1418
1419     JSClassDefinition definition;
1420
1421     definition = kJSClassDefinitionEmpty;
1422     definition.className = "All";
1423     definition.getProperty = &All_getProperty;
1424     definition.getPropertyNames = &All_getPropertyNames;
1425     All_ = JSClassCreate(&definition);
1426
1427     definition = kJSClassDefinitionEmpty;
1428     definition.className = "Context";
1429     definition.finalize = &CYFinalize;
1430     Context_ = JSClassCreate(&definition);
1431
1432     definition = kJSClassDefinitionEmpty;
1433     definition.className = "Functor";
1434     definition.staticFunctions = cy::Functor::StaticFunctions;
1435     definition.staticValues = Functor_staticValues;
1436     definition.callAsFunction = &Functor_callAsFunction;
1437     definition.finalize = &CYFinalize;
1438     Functor_ = JSClassCreate(&definition);
1439
1440     definition = kJSClassDefinitionEmpty;
1441     definition.className = "Pointer";
1442     definition.staticFunctions = Pointer_staticFunctions;
1443     definition.getProperty = &Pointer_getProperty;
1444     definition.setProperty = &Pointer_setProperty;
1445     definition.finalize = &CYFinalize;
1446     Pointer_ = JSClassCreate(&definition);
1447
1448     definition = kJSClassDefinitionEmpty;
1449     definition.className = "Struct";
1450     definition.staticFunctions = Struct_staticFunctions;
1451     definition.getProperty = &Struct_getProperty;
1452     definition.setProperty = &Struct_setProperty;
1453     definition.getPropertyNames = &Struct_getPropertyNames;
1454     definition.finalize = &CYFinalize;
1455     Struct_ = JSClassCreate(&definition);
1456
1457     definition = kJSClassDefinitionEmpty;
1458     definition.className = "Type";
1459     definition.staticValues = Type_staticValues;
1460     definition.staticFunctions = Type_staticFunctions;
1461     definition.callAsFunction = &Type_callAsFunction;
1462     definition.callAsConstructor = &Type_callAsConstructor;
1463     definition.finalize = &CYFinalize;
1464     Type_privateData::Class_ = JSClassCreate(&definition);
1465
1466     definition = kJSClassDefinitionEmpty;
1467     definition.className = "Global";
1468     //definition.getProperty = &Global_getProperty;
1469     Global_ = JSClassCreate(&definition);
1470
1471     Array_s = JSStringCreateWithUTF8CString("Array");
1472     cy_s = JSStringCreateWithUTF8CString("$cy");
1473     length_s = JSStringCreateWithUTF8CString("length");
1474     message_s = JSStringCreateWithUTF8CString("message");
1475     name_s = JSStringCreateWithUTF8CString("name");
1476     pop_s = JSStringCreateWithUTF8CString("pop");
1477     prototype_s = JSStringCreateWithUTF8CString("prototype");
1478     push_s = JSStringCreateWithUTF8CString("push");
1479     splice_s = JSStringCreateWithUTF8CString("splice");
1480     toCYON_s = JSStringCreateWithUTF8CString("toCYON");
1481     toJSON_s = JSStringCreateWithUTF8CString("toJSON");
1482     toPointer_s = JSStringCreateWithUTF8CString("toPointer");
1483     toString_s = JSStringCreateWithUTF8CString("toString");
1484
1485     Result_ = JSStringCreateWithUTF8CString("_");
1486
1487     if (hooks_ != NULL && hooks_->Initialize != NULL)
1488         (*hooks_->Initialize)();
1489 }
1490
1491 void CYThrow(JSContextRef context, JSValueRef value) {
1492     if (value != NULL)
1493         throw CYJSError(context, value);
1494 }
1495
1496 const char *CYJSError::PoolCString(CYPool &pool) const {
1497     // XXX: this used to be CYPoolCString
1498     return CYPoolCCYON(pool, context_, value_);
1499 }
1500
1501 JSValueRef CYJSError::CastJSValue(JSContextRef context) const {
1502     // XXX: what if the context is different?
1503     return value_;
1504 }
1505
1506 JSValueRef CYCastJSError(JSContextRef context, const char *message) {
1507     JSObjectRef Error(CYGetCachedObject(context, CYJSString("Error")));
1508     JSValueRef arguments[1] = {CYCastJSValue(context, message)};
1509     return _jsccall(JSObjectCallAsConstructor, context, Error, 1, arguments);
1510 }
1511
1512 JSValueRef CYPoolError::CastJSValue(JSContextRef context) const {
1513     return CYCastJSError(context, message_);
1514 }
1515
1516 CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
1517     _assert(context != NULL);
1518
1519     CYPool pool;
1520
1521     va_list args;
1522     va_start(args, format);
1523     // XXX: there might be a beter way to think about this
1524     const char *message(pool.vsprintf(64, format, args));
1525     va_end(args);
1526
1527     value_ = CYCastJSError(context, message);
1528 }
1529
1530 JSGlobalContextRef CYGetJSContext(JSContextRef context) {
1531     return reinterpret_cast<Context *>(JSObjectGetPrivate(CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s))))->context_;
1532 }
1533
1534 extern "C" bool CydgetMemoryParse(const uint16_t **data, size_t *size);
1535
1536 void *CYMapFile(const char *path, size_t *psize) {
1537     int fd;
1538     _syscall(fd = open(path, O_RDONLY));
1539
1540     struct stat stat;
1541     _syscall(fstat(fd, &stat));
1542     size_t size(stat.st_size);
1543
1544     *psize = size;
1545
1546     void *base;
1547     _syscall(base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0));
1548
1549     _syscall(close(fd));
1550     return base;
1551 }
1552
1553 static void CYRunSetups(JSContextRef context) {
1554     std::string folder("/etc/cycript/setup.d");
1555     DIR *setups(opendir(folder.c_str()));
1556     if (setups == NULL)
1557         return;
1558
1559     for (;;) {
1560         dirent setup;
1561         dirent *result;
1562         _syscall(readdir_r(setups, &setup, &result));
1563
1564         if (result == NULL)
1565             break;
1566         _assert(result == &setup);
1567
1568         const char *name(setup.d_name);
1569         size_t length(strlen(name));
1570         if (length < 4)
1571             continue;
1572
1573         if (name[0] == '.')
1574             continue;
1575         if (memcmp(name + length - 3, ".cy", 3) != 0)
1576             continue;
1577
1578         std::string script(folder + "/" + name);
1579         CYUTF8String utf8;
1580         utf8.data = reinterpret_cast<char *>(CYMapFile(script.c_str(), &utf8.size));
1581
1582         CYPool pool;
1583         CYUTF16String utf16(CYPoolUTF16String(pool, utf8));
1584         munmap(const_cast<char *>(utf8.data), utf8.size);
1585
1586         if (CydgetMemoryParse(&utf16.data, &utf16.size))
1587             CYExecute(context, pool, CYPoolUTF8String(pool, utf16));
1588         free(const_cast<uint16_t *>(utf16.data));
1589     }
1590
1591     _syscall(closedir(setups));
1592 }
1593
1594 extern "C" void CYSetupContext(JSGlobalContextRef context) {
1595     CYInitializeDynamic();
1596
1597     JSObjectRef global(CYGetGlobalObject(context));
1598
1599     JSObjectRef cy(JSObjectMake(context, Context_, new Context(context)));
1600     CYSetProperty(context, global, cy_s, cy, kJSPropertyAttributeDontEnum);
1601
1602 /* Cache Globals {{{ */
1603     JSObjectRef Array(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array"))));
1604     CYSetProperty(context, cy, CYJSString("Array"), Array);
1605
1606     JSObjectRef Array_prototype(CYCastJSObject(context, CYGetProperty(context, Array, prototype_s)));
1607     CYSetProperty(context, cy, CYJSString("Array_prototype"), Array_prototype);
1608
1609     JSObjectRef Error(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error"))));
1610     CYSetProperty(context, cy, CYJSString("Error"), Error);
1611
1612     JSObjectRef Function(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function"))));
1613     CYSetProperty(context, cy, CYJSString("Function"), Function);
1614
1615     JSObjectRef Function_prototype(CYCastJSObject(context, CYGetProperty(context, Function, prototype_s)));
1616     CYSetProperty(context, cy, CYJSString("Function_prototype"), Function_prototype);
1617
1618     JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
1619     CYSetProperty(context, cy, CYJSString("Object"), Object);
1620
1621     JSObjectRef Object_prototype(CYCastJSObject(context, CYGetProperty(context, Object, prototype_s)));
1622     CYSetProperty(context, cy, CYJSString("Object_prototype"), Object_prototype);
1623
1624     JSObjectRef String(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String"))));
1625     CYSetProperty(context, cy, CYJSString("String"), String);
1626
1627     JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s)));
1628     CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype);
1629 /* }}} */
1630
1631     CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
1632     CYSetProperty(context, String_prototype, toCYON_s, &String_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
1633
1634     JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
1635     CYSetProperty(context, global, CYJSString("Cycript"), cycript);
1636     CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction);
1637
1638     JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new));
1639     JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)), Function_prototype);
1640     CYSetProperty(context, cycript, CYJSString("Functor"), Functor);
1641
1642     CYSetProperty(context, cycript, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new));
1643     CYSetProperty(context, cycript, CYJSString("Type"), JSObjectMakeConstructor(context, Type_privateData::Class_, &Type_new));
1644
1645     JSObjectRef all(JSObjectMake(context, All_, NULL));
1646     CYSetProperty(context, cycript, CYJSString("all"), all);
1647
1648     JSObjectRef alls(_jsccall(JSObjectCallAsConstructor, context, Array, 0, NULL));
1649     CYSetProperty(context, cycript, CYJSString("alls"), alls);
1650
1651     if (true) {
1652         JSObjectRef last(NULL), curr(global);
1653
1654         goto next; for (JSValueRef next;;) {
1655             if (JSValueIsNull(context, next))
1656                 break;
1657             last = curr;
1658             curr = CYCastJSObject(context, next);
1659           next:
1660             next = JSObjectGetPrototype(context, curr);
1661         }
1662
1663         JSObjectSetPrototype(context, last, all);
1664     }
1665
1666     CYSetProperty(context, global, CYJSString("$cyq"), &$cyq, kJSPropertyAttributeDontEnum);
1667
1668     JSObjectRef System(JSObjectMake(context, NULL, NULL));
1669     CYSetProperty(context, cy, CYJSString("System"), System);
1670
1671     CYSetProperty(context, global, CYJSString("system"), System);
1672     CYSetProperty(context, System, CYJSString("args"), CYJSNull(context));
1673     //CYSetProperty(context, System, CYJSString("global"), global);
1674     CYSetProperty(context, System, CYJSString("print"), &System_print);
1675
1676     if (CYBridgeEntry *entry = CYBridgeHash("1dlerror", 8))
1677         entry->cache_ = new cy::Functor(entry->value_, reinterpret_cast<void (*)()>(&dlerror));
1678
1679     if (hooks_ != NULL && hooks_->SetupContext != NULL)
1680         (*hooks_->SetupContext)(context);
1681
1682     CYArrayPush(context, alls, cycript);
1683
1684     CYRunSetups(context);
1685 }
1686
1687 JSGlobalContextRef CYGetJSContext() {
1688     CYInitializeDynamic();
1689
1690     static JSGlobalContextRef context_;
1691
1692     if (context_ == NULL) {
1693         context_ = JSGlobalContextCreate(Global_);
1694         CYSetupContext(context_);
1695     }
1696
1697     return context_;
1698 }