Execute.cpp

   1 /* Cycript - The Truly Universal Scripting Language
   2  * Copyright (C) 2009-2016  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Affero General Public License, Version 3 {{{ */
   6 /*
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #include "cycript.hpp"
  23
  24 #include <iostream>
  25 #include <set>
  26 #include <map>
  27 #include <iomanip>
  28 #include <sstream>
  29 #include <cmath>
  30
  31 #include <dlfcn.h>
  32 #include <dirent.h>
  33 #include <fcntl.h>
  34 #include <unistd.h>
  35
  36 #include <sys/mman.h>
  37 #include <sys/stat.h>
  38
  39 #include <sqlite3.h>
  40
  41 #include "sig/parse.hpp"
  42 #include "sig/ffi_type.hpp"
  43
  44 #include "Bridge.hpp"
  45 #include "Code.hpp"
  46 #include "Decode.hpp"
  47 #include "Error.hpp"
  48 #include "Execute.hpp"
  49 #include "Internal.hpp"
  50 #include "JavaScript.hpp"
  51 #include "Pooling.hpp"
  52 #include "String.hpp"
  53
  54 const char *sqlite3_column_string(sqlite3_stmt *stmt, int n) {
  55     return reinterpret_cast<const char *>(sqlite3_column_text(stmt, n));
  56 }
  57
  58 char *sqlite3_column_pooled(CYPool &pool, sqlite3_stmt *stmt, int n) {
  59     if (const char *value = sqlite3_column_string(stmt, n))
  60         return pool.strdup(value);
  61     else return NULL;
  62 }
  63
  64 static std::vector<CYHook *> &GetHooks() {
  65     static std::vector<CYHook *> hooks;
  66     return hooks;
  67 }
  68
  69 CYRegisterHook::CYRegisterHook(CYHook *hook) {
  70     GetHooks().push_back(hook);
  71 }
  72
  73 /* JavaScript Properties {{{ */
  74 bool CYHasProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
  75     return JSObjectHasProperty(context, object, name);
  76 }
  77
  78 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) {
  79     return _jsccall(JSObjectGetPropertyAtIndex, context, object, index);
  80 }
  81
  82 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
  83     return _jsccall(JSObjectGetProperty, context, object, name);
  84 }
  85
  86 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value) {
  87     _jsccall(JSObjectSetPropertyAtIndex, context, object, index, value);
  88 }
  89
  90 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes) {
  91     _jsccall(JSObjectSetProperty, context, object, name, value, attributes);
  92 }
  93
  94 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes) {
  95     CYSetProperty(context, object, name, JSObjectMakeFunctionWithCallback(context, name, callback), attributes);
  96 }
  97
  98 JSObjectRef CYGetPrototype(JSContextRef context, JSObjectRef object) {
  99     return CYCastJSObject(context, JSObjectGetPrototype(context, object));
 100 }
 101
 102 void CYSetPrototype(JSContextRef context, JSObjectRef object, JSValueRef value) {
 103     _assert(!JSValueIsUndefined(context, value));
 104     JSObjectSetPrototype(context, object, value);
 105     _assert(CYIsStrictEqual(context, JSObjectGetPrototype(context, object), value));
 106 }
 107 /* }}} */
 108 /* JavaScript Strings {{{ */
 109 JSStringRef CYCopyJSString(const char *value) {
 110     return value == NULL ? NULL : JSStringCreateWithUTF8CString(value);
 111 }
 112
 113 JSStringRef CYCopyJSString(JSStringRef value) {
 114     return value == NULL ? NULL : JSStringRetain(value);
 115 }
 116
 117 JSStringRef CYCopyJSString(CYUTF8String value) {
 118     if (memchr(value.data, '\0', value.size) != NULL) {
 119         CYPool pool;
 120         return CYCopyJSString(CYPoolUTF16String(pool, value));
 121     } else if (value.data[value.size] != '\0') {
 122         CYPool pool;
 123         return CYCopyJSString(pool.strmemdup(value.data, value.size));
 124     } else {
 125         return CYCopyJSString(value.data);
 126     }
 127 }
 128
 129 JSStringRef CYCopyJSString(const std::string &value) {
 130     return CYCopyJSString(CYUTF8String(value.c_str(), value.size()));
 131 }
 132
 133 JSStringRef CYCopyJSString(CYUTF16String value) {
 134     return JSStringCreateWithCharacters(value.data, value.size);
 135 }
 136
 137 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
 138     if (JSValueIsNull(context, value))
 139         return NULL;
 140     return _jsccall(JSValueToStringCopy, context, value);
 141 }
 142
 143 CYUTF16String CYCastUTF16String(JSStringRef value) {
 144     return CYUTF16String(JSStringGetCharactersPtr(value), JSStringGetLength(value));
 145 }
 146
 147 const char *CYPoolCString(CYPool &pool, CYUTF8String utf8) {
 148     return pool.strndup(utf8.data, utf8.size);
 149 }
 150
 151 CYUTF8String CYPoolUTF8String(CYPool &pool, CYUTF8String utf8) {
 152     return {pool.strndup(utf8.data, utf8.size), utf8.size};
 153 }
 154
 155 _visible CYUTF8String CYPoolUTF8String(CYPool &pool, const std::string &value) {
 156     return {pool.strndup(value.data(), value.size()), value.size()};
 157 }
 158
 159 CYUTF8String CYPoolUTF8String(CYPool &pool, JSContextRef context, JSStringRef value) {
 160     return CYPoolUTF8String(pool, CYCastUTF16String(value));
 161 }
 162
 163 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSStringRef value) {
 164     CYUTF8String utf8(CYPoolUTF8String(pool, context, value));
 165     _assert(memchr(utf8.data, '\0', utf8.size) == NULL);
 166     return utf8.data;
 167 }
 168
 169 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSValueRef value) {
 170     return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, context, CYJSString(context, value));
 171 }
 172 /* }}} */
 173 /* Index Offsets {{{ */
 174 size_t CYGetIndex(CYPool &pool, JSContextRef context, JSStringRef value) {
 175     return CYGetIndex(CYPoolUTF8String(pool, context, value));
 176 }
 177 /* }}} */
 178
 179 static JSObjectRef (*JSObjectMakeArray$)(JSContextRef, size_t, const JSValueRef[], JSValueRef *);
 180
 181 JSObjectRef CYObjectMakeArray(JSContextRef context, size_t length, const JSValueRef values[]) {
 182     if (JSObjectMakeArray$ != NULL)
 183         return _jsccall(*JSObjectMakeArray$, context, length, values);
 184     else {
 185         JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array")));
 186         JSValueRef value(CYCallAsFunction(context, Array, NULL, length, values));
 187         return CYCastJSObject(context, value);
 188     }
 189 }
 190
 191 static JSClassRef All_;
 192 JSClassRef cy::Functor::Class_;
 193 static JSClassRef Global_;
 194
 195 JSStringRef Array_s;
 196 JSStringRef constructor_s;
 197 JSStringRef cy_s;
 198 JSStringRef cyi_s;
 199 JSStringRef cyt_s;
 200 JSStringRef length_s;
 201 JSStringRef message_s;
 202 JSStringRef name_s;
 203 JSStringRef pop_s;
 204 JSStringRef prototype_s;
 205 JSStringRef push_s;
 206 JSStringRef splice_s;
 207 JSStringRef toCYON_s;
 208 JSStringRef toJSON_s;
 209 JSStringRef toPointer_s;
 210 JSStringRef toString_s;
 211 JSStringRef weak_s;
 212
 213 static sqlite3 *database_;
 214
 215 static JSStringRef Result_;
 216
 217 void CYFinalize(JSObjectRef object) {
 218     CYData *internal(reinterpret_cast<CYData *>(JSObjectGetPrivate(object)));
 219     _assert(internal->count_ != _not(unsigned));
 220     if (--internal->count_ == 0)
 221         delete internal;
 222 }
 223
 224 sig::Type *Structor_(CYPool &pool, sig::Aggregate *aggregate) {
 225     //_assert(false);
 226     return aggregate;
 227 }
 228
 229 struct Context :
 230     CYRoot
 231 {
 232     JSGlobalContextRef context_;
 233
 234     Context(JSGlobalContextRef context) :
 235         context_(context)
 236     {
 237     }
 238 };
 239
 240 struct CArray :
 241     CYRoot
 242 {
 243     void *value_;
 244     CYProtect owner_;
 245     Type_privateData *type_;
 246     size_t length_;
 247
 248     CArray(void *value, size_t length, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 249         value_(value),
 250         owner_(context, owner),
 251         type_(new(*pool_) Type_privateData(type, ffi)),
 252         length_(length)
 253     {
 254     }
 255 };
 256
 257 struct CString :
 258     CYRoot
 259 {
 260     char *value_;
 261     CYProtect owner_;
 262
 263     CString(char *value, JSContextRef context, JSObjectRef owner) :
 264         value_(value),
 265         owner_(context, owner)
 266     {
 267     }
 268 };
 269
 270 struct Pointer :
 271     CYRoot
 272 {
 273     void *value_;
 274     CYProtect owner_;
 275     Type_privateData *type_;
 276
 277     Pointer(void *value, const sig::Type &type, JSContextRef context, JSObjectRef owner) :
 278         value_(value),
 279         owner_(context, owner),
 280         type_(new(*pool_) Type_privateData(type))
 281     {
 282     }
 283
 284     Pointer(void *value, const char *encoding, JSContextRef context, JSObjectRef owner) :
 285         value_(value),
 286         owner_(context, owner),
 287         type_(new(*pool_) Type_privateData(encoding))
 288     {
 289     }
 290 };
 291
 292 struct Struct_privateData :
 293     CYRoot
 294 {
 295     void *value_;
 296     CYProtect owner_;
 297     Type_privateData *type_;
 298
 299     Struct_privateData(void *value, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 300         value_(value),
 301         owner_(context, owner),
 302         type_(new(*pool_) Type_privateData(type, ffi))
 303     {
 304         if (owner == NULL) {
 305             size_t size(ffi->size);
 306             void *copy(pool_->malloc<void>(size, ffi->alignment));
 307             memcpy(copy, value_, size);
 308             value_ = copy;
 309         }
 310     }
 311 };
 312
 313 static void *CYCastSymbol(const char *name) {
 314     for (CYHook *hook : GetHooks())
 315         if (hook->CastSymbol != NULL)
 316             if (void *value = (*hook->CastSymbol)(name))
 317                 return value;
 318     return dlsym(RTLD_DEFAULT, name);
 319 }
 320
 321 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
 322     return JSValueMakeBoolean(context, value);
 323 }
 324
 325 JSValueRef CYCastJSValue(JSContextRef context, double value) {
 326     return JSValueMakeNumber(context, value);
 327 }
 328
 329 #define CYCastJSValue_(Type_) \
 330     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
 331         _assert(static_cast<Type_>(static_cast<double>(value)) == value); \
 332         return JSValueMakeNumber(context, static_cast<double>(value)); \
 333     }
 334
 335 CYCastJSValue_(long double)
 336 CYCastJSValue_(signed short int)
 337 CYCastJSValue_(unsigned short int)
 338 CYCastJSValue_(signed int)
 339 CYCastJSValue_(unsigned int)
 340 CYCastJSValue_(signed long int)
 341 CYCastJSValue_(unsigned long int)
 342 CYCastJSValue_(signed long long int)
 343 CYCastJSValue_(unsigned long long int)
 344
 345 #ifdef __SIZEOF_INT128__
 346 CYCastJSValue_(signed __int128)
 347 CYCastJSValue_(unsigned __int128)
 348 #endif
 349
 350 JSValueRef CYJSUndefined(JSContextRef context) {
 351     return JSValueMakeUndefined(context);
 352 }
 353
 354 double CYCastDouble(JSContextRef context, JSValueRef value) {
 355     return _jsccall(JSValueToNumber, context, value);
 356 }
 357
 358 bool CYCastBool(JSContextRef context, JSValueRef value) {
 359     return JSValueToBoolean(context, value);
 360 }
 361
 362 JSValueRef CYJSNull(JSContextRef context) {
 363     return JSValueMakeNull(context);
 364 }
 365
 366 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) {
 367     return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value);
 368 }
 369
 370 JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
 371     return CYCastJSValue(context, CYJSString(value));
 372 }
 373
 374 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
 375     return _jsccall(JSValueToObject, context, value);
 376 }
 377
 378 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 379     return _jsccall(JSObjectCallAsFunction, context, function, _this, count, arguments);
 380 }
 381
 382 bool CYIsCallable(JSContextRef context, JSValueRef value) {
 383     return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value);
 384 }
 385
 386 bool CYIsEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) {
 387     return _jsccall(JSValueIsEqual, context, lhs, rhs);
 388 }
 389
 390 bool CYIsStrictEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) {
 391     return JSValueIsStrictEqual(context, lhs, rhs);
 392 }
 393
 394 size_t CYArrayLength(JSContextRef context, JSObjectRef array) {
 395     return CYCastDouble(context, CYGetProperty(context, array, length_s));
 396 }
 397
 398 JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index) {
 399     return _jsccall(JSObjectGetPropertyAtIndex, context, array, index);
 400 }
 401
 402 void CYArrayPush(JSContextRef context, JSObjectRef array, size_t length, const JSValueRef arguments[]) {
 403     JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype")));
 404     _jsccall(JSObjectCallAsFunction, context, CYCastJSObject(context, CYGetProperty(context, Array, push_s)), array, length, arguments);
 405 }
 406
 407 void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value) {
 408     return CYArrayPush(context, array, 1, &value);
 409 }
 410
 411 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 412     FILE *file(stdout);
 413
 414     if (count == 0)
 415         fputc('\n', file);
 416     else {
 417         CYPool pool;
 418         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 419         fwrite(string.data, string.size, 1, file);
 420     }
 421
 422     fflush(file);
 423     return CYJSUndefined(context);
 424 } CYCatch(NULL) }
 425
 426 static JSValueRef Global_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 427     FILE *file(stdout);
 428     CYPool pool;
 429
 430     for (size_t i(0); i != count; ++i) {
 431         if (i != 0)
 432             fputc(' ', file);
 433         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[i])));
 434         fwrite(string.data, string.size, 1, file);
 435     }
 436
 437     fputc('\n', file);
 438     fflush(file);
 439     return CYJSUndefined(context);
 440 } CYCatch(NULL) }
 441
 442 static void (*JSSynchronousGarbageCollectForDebugging$)(JSContextRef);
 443
 444 _visible void CYGarbageCollect(JSContextRef context) {
 445     (JSSynchronousGarbageCollectForDebugging$ ?: &JSGarbageCollect)(context);
 446 }
 447
 448 static JSValueRef Cycript_compile_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 449     CYPool pool;
 450     CYUTF8String before(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 451     CYUTF8String after(CYPoolCode(pool, before));
 452     return CYCastJSValue(context, CYJSString(after));
 453 } CYCatch_(NULL, "SyntaxError") }
 454
 455 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 456     CYGarbageCollect(context);
 457     return CYJSUndefined(context);
 458 } CYCatch(NULL) }
 459
 460 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects, JSValueRef *exception) { CYTry {
 461     switch (JSType type = JSValueGetType(context, value)) {
 462         case kJSTypeUndefined:
 463             return "undefined";
 464         case kJSTypeNull:
 465             return "null";
 466         case kJSTypeBoolean:
 467             return CYCastBool(context, value) ? "true" : "false";
 468
 469         case kJSTypeNumber: {
 470             std::ostringstream str;
 471             CYNumerify(str, CYCastDouble(context, value));
 472             std::string value(str.str());
 473             return pool.strmemdup(value.c_str(), value.size());
 474         } break;
 475
 476         case kJSTypeString: {
 477             std::ostringstream str;
 478             CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, value)));
 479             CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 480             std::string value(str.str());
 481             return pool.strmemdup(value.c_str(), value.size());
 482         } break;
 483
 484         case kJSTypeObject:
 485             return CYPoolCCYON(pool, context, (JSObjectRef) value, objects);
 486         default:
 487             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 488     }
 489 } CYCatch(NULL) }
 490
 491 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects) {
 492     return _jsccall(CYPoolCCYON, pool, context, value, objects);
 493 }
 494
 495 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> *objects) {
 496     if (objects != NULL)
 497         return CYPoolCCYON(pool, context, value, *objects);
 498     else {
 499         std::set<void *> objects;
 500         return CYPoolCCYON(pool, context, value, objects);
 501     }
 502 }
 503
 504 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object, std::set<void *> &objects) {
 505     JSValueRef toCYON(CYGetProperty(context, object, toCYON_s));
 506     if (CYIsCallable(context, toCYON)) {
 507         // XXX: this needs to be abstracted behind some kind of function
 508         JSValueRef arguments[1] = {CYCastJSValue(context, reinterpret_cast<uintptr_t>(&objects))};
 509         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 1, arguments));
 510         _assert(value != NULL);
 511         return CYPoolCString(pool, context, value);
 512     }
 513
 514     JSValueRef toJSON(CYGetProperty(context, object, toJSON_s));
 515     if (CYIsCallable(context, toJSON)) {
 516         JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 517         return _jsccall(CYPoolCCYON, pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), objects);
 518     }
 519
 520     if (JSObjectIsFunction(context, object)) {
 521         JSValueRef toString(CYGetProperty(context, object, toString_s));
 522         if (CYIsCallable(context, toString)) {
 523             JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 524             JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toString, object, 1, arguments));
 525             _assert(value != NULL);
 526             return CYPoolCString(pool, context, value);
 527         }
 528     }
 529
 530     _assert(objects.insert(object).second);
 531
 532     std::ostringstream str;
 533
 534     JSValueRef value(CYGetProperty(context, object, constructor_s));
 535     if (JSValueIsObject(context, value)) {
 536         JSObjectRef constructor(CYCastJSObject(context, value));
 537         JSValueRef theory(CYGetProperty(context, constructor, prototype_s));
 538         JSValueRef practice(JSObjectGetPrototype(context, object));
 539
 540         if (CYIsStrictEqual(context, theory, practice)) {
 541             JSValueRef name(CYGetProperty(context, constructor, name_s));
 542             if (!JSValueIsUndefined(context, name)) {
 543                 auto utf8(CYPoolUTF8String(pool, context, CYJSString(context, name)));
 544                 if (utf8 != "Object")
 545                     str << "new" << ' ' << utf8;
 546             }
 547         }
 548     }
 549
 550     str << '{';
 551
 552     // XXX: this is, sadly, going to leak
 553     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, object));
 554
 555     bool comma(false);
 556
 557     for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) {
 558         if (comma)
 559             str << ',';
 560         else
 561             comma = true;
 562
 563         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
 564         CYUTF8String string(CYPoolUTF8String(pool, context, name));
 565
 566         if (CYIsKey(string))
 567             str << string.data;
 568         else
 569             CYStringify(str, string.data, string.size, CYStringifyModeLegacy);
 570
 571         str << ':';
 572
 573         try {
 574             JSValueRef value(CYGetProperty(context, object, name));
 575             str << CYPoolCCYON(pool, context, value, objects);
 576         } catch (const CYException &error) {
 577             str << "@error";
 578         }
 579     }
 580
 581     JSPropertyNameArrayRelease(names);
 582
 583     str << '}';
 584
 585     std::string string(str.str());
 586     return pool.strmemdup(string.c_str(), string.size());
 587 }
 588
 589 std::set<void *> *CYCastObjects(JSContextRef context, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 590     if (count == 0)
 591         return NULL;
 592     return CYCastPointer<std::set<void *> *>(context, arguments[0]);
 593 }
 594
 595 static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 596     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
 597     // XXX: this is horribly inefficient
 598     std::set<void *> backup;
 599     if (objects == NULL)
 600         objects = &backup;
 601
 602     CYPool pool;
 603     std::ostringstream str;
 604
 605     str << '[';
 606
 607     JSValueRef length(CYGetProperty(context, _this, length_s));
 608     bool comma(false);
 609
 610     for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) {
 611         if (comma)
 612             str << ',';
 613         else
 614             comma = true;
 615
 616         try {
 617             JSValueRef value(CYGetProperty(context, _this, index));
 618             if (!JSValueIsUndefined(context, value))
 619                 str << CYPoolCCYON(pool, context, value, *objects);
 620             else {
 621                 str << ',';
 622                 comma = false;
 623             }
 624         } catch (const CYException &error) {
 625             str << "@error";
 626         }
 627     }
 628
 629     str << ']';
 630
 631     std::string value(str.str());
 632     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 633 } CYCatch(NULL) }
 634
 635 static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 636     CYPool pool;
 637     std::ostringstream str;
 638
 639     CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, _this)));
 640     CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 641
 642     std::string value(str.str());
 643     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 644 } CYCatch(NULL) }
 645
 646 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, const sig::Type &type, ffi_type *ffi, JSObjectRef owner) {
 647     return CYPrivate<Pointer>::Make(context, pointer, type, context, owner);
 648 }
 649
 650 static JSValueRef CYMakeFunctor(JSContextRef context, void (*function)(), bool variadic, const sig::Signature &signature) {
 651     if (function == NULL)
 652         return CYJSNull(context);
 653     return JSObjectMake(context, cy::Functor::Class_, new cy::Functor(function, variadic, signature));
 654 }
 655
 656 // XXX: remove this, as it is really stupid
 657 static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *encoding) {
 658     void (*function)()(reinterpret_cast<void (*)()>(CYCastSymbol(symbol)));
 659     if (function == NULL)
 660         return NULL;
 661
 662     cy::Functor *internal(new cy::Functor(function, encoding));
 663     ++internal->count_;
 664     return JSObjectMake(context, cy::Functor::Class_, internal);
 665 }
 666
 667 bool CYGetOffset(CYPool &pool, JSContextRef context, JSStringRef value, ssize_t &index) {
 668     return CYGetOffset(CYPoolCString(pool, context, value), index);
 669 }
 670
 671 void *CYCastPointer_(JSContextRef context, JSValueRef value, bool *guess) {
 672     if (value == NULL)
 673         return NULL;
 674     else switch (JSValueGetType(context, value)) {
 675         case kJSTypeNull:
 676             return NULL;
 677         case kJSTypeObject: {
 678             JSObjectRef object((JSObjectRef) value);
 679             if (JSValueIsObjectOfClass(context, value, CYPrivate<Pointer>::Class_)) {
 680                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
 681                 return internal->value_;
 682             }
 683             JSValueRef toPointer(CYGetProperty(context, object, toPointer_s));
 684             if (CYIsCallable(context, toPointer)) {
 685                 JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
 686                 _assert(value != NULL);
 687                 return CYCastPointer_(context, value, guess);
 688             }
 689         } default:
 690             if (guess != NULL)
 691                 *guess = true;
 692         case kJSTypeNumber:
 693             double number(CYCastDouble(context, value));
 694             if (!std::isnan(number))
 695                 return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
 696             if (guess == NULL)
 697                 throw CYJSError(context, "cannot convert value to pointer");
 698             else {
 699                 *guess = true;
 700                 return NULL;
 701             }
 702     }
 703 }
 704
 705 namespace sig {
 706
 707 // XXX: this is somehow not quite a template :/
 708
 709 template <>
 710 void Primitive<bool>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 711     *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
 712 }
 713
 714 #define CYPoolFFI_(Type_) \
 715 template <> \
 716 void Primitive<Type_>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const { \
 717     *reinterpret_cast<Type_ *>(data) = CYCastDouble(context, value); \
 718 }
 719
 720 CYPoolFFI_(wchar_t)
 721 CYPoolFFI_(float)
 722 CYPoolFFI_(double)
 723 CYPoolFFI_(long double)
 724
 725 CYPoolFFI_(signed char)
 726 CYPoolFFI_(signed int)
 727 CYPoolFFI_(signed long int)
 728 CYPoolFFI_(signed long long int)
 729 CYPoolFFI_(signed short int)
 730
 731 CYPoolFFI_(unsigned char)
 732 CYPoolFFI_(unsigned int)
 733 CYPoolFFI_(unsigned long int)
 734 CYPoolFFI_(unsigned long long int)
 735 CYPoolFFI_(unsigned short int)
 736
 737 #ifdef __SIZEOF_INT128__
 738 CYPoolFFI_(signed __int128)
 739 CYPoolFFI_(unsigned __int128)
 740 #endif
 741
 742 template <>
 743 void Primitive<char>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 744     if (JSValueGetType(context, value) != kJSTypeString)
 745         *reinterpret_cast<char *>(data) = CYCastDouble(context, value);
 746     else {
 747         CYJSString script(context, value);
 748         auto string(CYCastUTF16String(script));
 749         _assert(string.size == 1);
 750         *reinterpret_cast<char *>(data) = string.data[0];
 751     }
 752 }
 753
 754 void Void::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 755     _assert(false);
 756 }
 757
 758 void Unknown::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 759     _assert(false);
 760 }
 761
 762 void String::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 763     bool guess(false);
 764     *reinterpret_cast<const char **>(data) = CYCastPointer<const char *>(context, value, &guess);
 765     if (guess && pool != NULL)
 766         *reinterpret_cast<const char **>(data) = CYPoolCString(*pool, context, value);
 767 }
 768
 769 void Bits::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 770     _assert(false);
 771 }
 772
 773 static void CYArrayCopy(CYPool *pool, JSContextRef context, uint8_t *base, size_t length, const sig::Type &type, ffi_type *ffi, JSValueRef value, JSObjectRef object) {
 774     for (size_t index(0); index != length; ++index) {
 775         JSValueRef rhs;
 776         if (object == NULL)
 777             rhs = value;
 778         else {
 779             rhs = CYGetProperty(context, object, index);
 780             if (JSValueIsUndefined(context, rhs))
 781                 throw CYJSError(context, "unable to extract array value");
 782         }
 783
 784         type.PoolFFI(pool, context, ffi, base, rhs);
 785         base += ffi->size;
 786     }
 787 }
 788
 789 void Pointer::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 790     bool guess(false);
 791     *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value, &guess);
 792     if (!guess || pool == NULL || !JSValueIsObject(context, value))
 793         return;
 794     JSObjectRef object(CYCastJSObject(context, value));
 795     if (CYHasProperty(context, object, length_s)) {
 796         size_t length(CYArrayLength(context, object));
 797         ffi_type *element(type.GetFFI(*pool));
 798         size_t size(element->size * length);
 799         uint8_t *base(pool->malloc<uint8_t>(size, element->alignment));
 800         CYArrayCopy(pool, context, base, length, type, element, value, object);
 801         *reinterpret_cast<void **>(data) = base;
 802     }
 803 }
 804
 805 void Array::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 806     if (size == 0)
 807         return;
 808     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 809     JSObjectRef object(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
 810     CYArrayCopy(pool, context, base, size, type, ffi->elements[0], value, object);
 811 }
 812
 813 void Enum::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 814     return type.PoolFFI(pool, context, ffi, data, value);
 815 }
 816
 817 void Aggregate::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 818     _assert(!overlap);
 819     _assert(signature.count != _not(size_t));
 820
 821     size_t offset(0);
 822     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 823     JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
 824     for (size_t index(0); index != signature.count; ++index) {
 825         sig::Element *element(&signature.elements[index]);
 826         ffi_type *field(ffi->elements[index]);
 827
 828         JSValueRef rhs;
 829         if (aggregate == NULL)
 830             rhs = value;
 831         else {
 832             rhs = CYGetProperty(context, aggregate, index);
 833             if (JSValueIsUndefined(context, rhs)) {
 834                 if (element->name != NULL)
 835                     rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
 836                 else
 837                     goto undefined;
 838                 if (JSValueIsUndefined(context, rhs)) undefined:
 839                     throw CYJSError(context, "unable to extract structure value");
 840             }
 841         }
 842
 843         element->type->PoolFFI(pool, context, field, base + offset, rhs);
 844         offset += field->size;
 845         CYAlign(offset, field->alignment);
 846     }
 847 }
 848
 849 void Function::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 850     _assert(false);
 851 }
 852
 853 #define CYFromFFI_(Type_) \
 854 template <> \
 855 JSValueRef Primitive<Type_>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const { \
 856     return CYCastJSValue(context, *reinterpret_cast<Type_ *>(data)); \
 857 }
 858
 859 CYFromFFI_(bool)
 860 CYFromFFI_(wchar_t)
 861 CYFromFFI_(float)
 862 CYFromFFI_(double)
 863 CYFromFFI_(long double)
 864
 865 CYFromFFI_(signed char)
 866 CYFromFFI_(signed int)
 867 CYFromFFI_(signed long int)
 868 CYFromFFI_(signed long long int)
 869 CYFromFFI_(signed short int)
 870
 871 CYFromFFI_(unsigned char)
 872 CYFromFFI_(unsigned int)
 873 CYFromFFI_(unsigned long int)
 874 CYFromFFI_(unsigned long long int)
 875 CYFromFFI_(unsigned short int)
 876
 877 #ifdef __SIZEOF_INT128__
 878 CYFromFFI_(signed __int128)
 879 CYFromFFI_(unsigned __int128)
 880 #endif
 881
 882 template <>
 883 JSValueRef Primitive<char>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 884     uint16_t string(uint8_t(*reinterpret_cast<char *>(data)));
 885     JSValueRef value(CYCastJSValue(context, CYJSString(CYUTF16String(&string, 1))));
 886     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("String")), 1, &value));
 887     CYSetProperty(context, typed, cyt_s, CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
 888     CYSetPrototype(context, typed, CYGetCachedValue(context, CYJSString("Character_prototype")));
 889     return typed;
 890 }
 891
 892 JSValueRef Void::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 893     return CYJSUndefined(context);
 894 }
 895
 896 JSValueRef Unknown::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 897     _assert(false);
 898 }
 899
 900 JSValueRef String::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 901     if (char *value = *reinterpret_cast<char **>(data))
 902         return CYPrivate<CString>::Make(context, value, context, owner);
 903     return CYJSNull(context);
 904 }
 905
 906 JSValueRef Bits::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 907     _assert(false);
 908 }
 909
 910 JSValueRef Pointer::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 911     if (void *value = *reinterpret_cast<void **>(data))
 912         return CYMakePointer(context, value, type, NULL, owner);
 913     return CYJSNull(context);
 914 }
 915
 916 JSValueRef Array::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 917     return CYPrivate<CArray>::Make(context, data, size, type, ffi->elements[0], context, owner);
 918 }
 919
 920 JSValueRef Enum::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 921     return type.FromFFI(context, ffi, data, initialize, owner);
 922 }
 923
 924 JSValueRef Aggregate::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 925     _assert(!overlap);
 926     _assert(signature.count != _not(size_t));
 927     return CYPrivate<Struct_privateData>::Make(context, data, *this, ffi, context, owner);
 928 }
 929
 930 JSValueRef Function::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 931     return CYMakeFunctor(context, reinterpret_cast<void (*)()>(data), variadic, signature);
 932 }
 933
 934 }
 935
 936 void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg) {
 937     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
 938
 939     JSContextRef context(internal->function_);
 940
 941     size_t count(internal->cif_.nargs);
 942     JSValueRef values[count];
 943
 944     for (size_t index(0); index != count; ++index)
 945         values[index] = internal->signature_.elements[1 + index].type->FromFFI(context, internal->cif_.arg_types[index], arguments[index]);
 946
 947     JSValueRef value(internal->adapter_(context, count, values, internal->function_));
 948     if (internal->cif_.rtype != &ffi_type_void)
 949         internal->signature_.elements[0].type->PoolFFI(NULL, context, internal->cif_.rtype, result, value);
 950 }
 951
 952 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
 953     return CYCallAsFunction(context, function, NULL, count, values);
 954 }
 955
 956 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 957 static void CYFreeFunctor(void *data) {
 958     ffi_closure_free(data);
 959 }
 960 #else
 961 static void CYFreeFunctor(void *data) {
 962     _syscall(munmap(data, sizeof(ffi_closure)));
 963 }
 964 #endif
 965
 966 Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const sig::Signature &signature, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) {
 967     // XXX: in case of exceptions this will leak
 968     Closure_privateData *internal(new Closure_privateData(context, function, adapter, signature));
 969
 970 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 971     void *executable;
 972     ffi_closure *writable(reinterpret_cast<ffi_closure *>(ffi_closure_alloc(sizeof(ffi_closure), &executable)));
 973
 974     ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, &CYExecuteClosure, internal, executable));
 975     _assert(status == FFI_OK);
 976
 977     internal->pool_->atexit(&CYFreeFunctor, writable);
 978     internal->value_ = reinterpret_cast<void (*)()>(executable);
 979 #else
 980     ffi_closure *closure((ffi_closure *) _syscall(mmap(
 981         NULL, sizeof(ffi_closure),
 982         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
 983         -1, 0
 984     )));
 985
 986     ffi_status status(ffi_prep_closure(closure, &internal->cif_, &CYExecuteClosure, internal));
 987     _assert(status == FFI_OK);
 988
 989     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
 990
 991     internal->pool_->atexit(&CYFreeFunctor, closure);
 992     internal->value_ = reinterpret_cast<void (*)()>(closure);
 993 #endif
 994
 995     return internal;
 996 }
 997
 998 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const sig::Signature &signature) {
 999     Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &FunctionAdapter_));
1000     JSObjectRef object(JSObjectMake(context, cy::Functor::Class_, internal));
1001     // XXX: see above notes about needing to leak
1002     JSValueProtect(CYGetJSContext(context), object);
1003     return object;
1004 }
1005
1006 JSValueRef CYGetCachedValue(JSContextRef context, JSStringRef name) {
1007     return CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name);
1008 }
1009
1010 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) {
1011     return CYCastJSObject(context, CYGetCachedValue(context, name));
1012 }
1013
1014 static JSValueRef CYMakeFunctor(JSContextRef context, JSValueRef value, bool variadic, const sig::Signature &signature) {
1015     JSObjectRef Function(CYGetCachedObject(context, CYJSString("Function")));
1016
1017     bool function(_jsccall(JSValueIsInstanceOfConstructor, context, value, Function));
1018     if (function) {
1019         JSObjectRef function(CYCastJSObject(context, value));
1020         return CYMakeFunctor(context, function, signature);
1021     } else {
1022         void (*function)()(CYCastPointer<void (*)()>(context, value));
1023         return CYMakeFunctor(context, function, variadic, signature);
1024     }
1025 }
1026
1027 static JSValueRef CString_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1028     CYPool pool;
1029     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1030
1031     ssize_t offset;
1032     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1033         offset = 0;
1034     else if (!CYGetOffset(pool, context, property, offset))
1035         return NULL;
1036
1037     sig::Primitive<char> type;
1038     return type.FromFFI(context, type.GetFFI(pool), internal->value_ + offset, false, NULL);
1039 } CYCatch(NULL) }
1040
1041 static bool CString_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1042     CYPool pool;
1043     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1044
1045     ssize_t offset;
1046     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1047         offset = 0;
1048     else if (!CYGetOffset(pool, context, property, offset))
1049         return false;
1050
1051     sig::Primitive<char> type;
1052     type.PoolFFI(NULL, context, type.GetFFI(pool), internal->value_ + offset, value);
1053     return true;
1054 } CYCatch(false) }
1055
1056 static bool Index_(CYPool &pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
1057     Type_privateData *typical(internal->type_);
1058     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1059     if (type == NULL)
1060         return false;
1061
1062     const char *name(CYPoolCString(pool, context, property));
1063     size_t length(strlen(name));
1064     double number(CYCastDouble(name, length));
1065
1066     size_t count(type->signature.count);
1067
1068     if (std::isnan(number)) {
1069         if (property == NULL)
1070             return false;
1071
1072         sig::Element *elements(type->signature.elements);
1073
1074         for (size_t local(0); local != count; ++local) {
1075             sig::Element *element(&elements[local]);
1076             if (element->name != NULL && strcmp(name, element->name) == 0) {
1077                 index = local;
1078                 goto base;
1079             }
1080         }
1081
1082         return false;
1083     } else {
1084         index = static_cast<ssize_t>(number);
1085         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
1086             return false;
1087     }
1088
1089   base:
1090     ffi_type **elements(typical->GetFFI()->elements);
1091
1092     size_t offset(0);
1093     for (ssize_t local(0); local != index; ++local) {
1094         offset += elements[local]->size;
1095         CYAlign(offset, elements[local + 1]->alignment);
1096     }
1097
1098     base = reinterpret_cast<uint8_t *>(internal->value_) + offset;
1099     return true;
1100 }
1101
1102 static void *Offset_(CYPool &pool, JSContextRef context, JSStringRef property, void *data, ffi_type *ffi) {
1103     ssize_t offset;
1104     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1105         offset = 0;
1106     else if (!CYGetOffset(pool, context, property, offset))
1107         return NULL;
1108     return reinterpret_cast<uint8_t *>(data) + ffi->size * offset;
1109 }
1110
1111 static JSValueRef Offset_getProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSObjectRef owner) {
1112     ffi_type *ffi(typical->GetFFI());
1113     void *base(Offset_(pool, context, property, data, ffi));
1114     if (base == NULL)
1115         return NULL;
1116     return typical->type_->FromFFI(context, ffi, base, false, owner);
1117 }
1118
1119 static bool Offset_setProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSValueRef value) {
1120     ffi_type *ffi(typical->GetFFI());
1121     void *base(Offset_(pool, context, property, data, ffi));
1122     if (base == NULL)
1123         return false;
1124
1125     typical->type_->PoolFFI(NULL, context, ffi, base, value);
1126     return true;
1127 }
1128
1129 static JSValueRef CArray_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1130     CYPool pool;
1131     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1132     if (JSStringIsEqual(property, length_s))
1133         return CYCastJSValue(context, internal->length_);
1134     Type_privateData *typical(internal->type_);
1135     JSObjectRef owner(internal->owner_ ?: object);
1136     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1137 } CYCatch(NULL) }
1138
1139 static bool CArray_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1140     CYPool pool;
1141     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1142     Type_privateData *typical(internal->type_);
1143     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1144 } CYCatch(false) }
1145
1146 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1147     CYPool pool;
1148     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1149
1150     Type_privateData *typical(internal->type_);
1151
1152     if (sig::Function *function = dynamic_cast<sig::Function *>(typical->type_)) {
1153         if (!JSStringIsEqualToUTF8CString(property, "$cyi"))
1154             return NULL;
1155         return CYMakeFunctor(context, reinterpret_cast<void (*)()>(internal->value_), function->variadic, function->signature);
1156     }
1157
1158     JSObjectRef owner(internal->owner_ ?: object);
1159     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1160 } CYCatch(NULL) }
1161
1162 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1163     CYPool pool;
1164     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1165     Type_privateData *typical(internal->type_);
1166     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1167 } CYCatch(false) }
1168
1169 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1170     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
1171     Type_privateData *typical(internal->type_);
1172     return CYMakePointer(context, internal->value_, *typical->type_, typical->ffi_, _this);
1173 } CYCatch(NULL) }
1174
1175 static JSValueRef Struct_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1176     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1177     return CYMakeType(context, *internal->type_->type_);
1178 } CYCatch(NULL) }
1179
1180 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1181     CYPool pool;
1182     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1183     Type_privateData *typical(internal->type_);
1184     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1185
1186     ssize_t index;
1187     uint8_t *base;
1188
1189     if (!Index_(pool, context, internal, property, index, base))
1190         return NULL;
1191
1192     JSObjectRef owner(internal->owner_ ?: object);
1193
1194     return type->signature.elements[index].type->FromFFI(context, typical->GetFFI()->elements[index], base, false, owner);
1195 } CYCatch(NULL) }
1196
1197 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1198     CYPool pool;
1199     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1200     Type_privateData *typical(internal->type_);
1201     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1202
1203     ssize_t index;
1204     uint8_t *base;
1205
1206     if (!Index_(pool, context, internal, property, index, base))
1207         return false;
1208
1209     type->signature.elements[index].type->PoolFFI(NULL, context, typical->GetFFI()->elements[index], base, value);
1210     return true;
1211 } CYCatch(false) }
1212
1213 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1214     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1215     Type_privateData *typical(internal->type_);
1216     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1217
1218     if (type == NULL)
1219         return;
1220
1221     size_t count(type->signature.count);
1222     sig::Element *elements(type->signature.elements);
1223
1224     char number[32];
1225
1226     for (size_t index(0); index != count; ++index) {
1227         const char *name;
1228         name = elements[index].name;
1229
1230         if (name == NULL) {
1231             sprintf(number, "%zu", index);
1232             name = number;
1233         }
1234
1235         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1236     }
1237 }
1238
1239 static sig::Void Void_;
1240 static sig::Pointer PointerToVoid_(Void_);
1241
1242 static sig::Type *CYGetType(CYPool &pool, JSContextRef context, JSValueRef value) {
1243     if (JSValueIsNull(context, value))
1244         return &PointerToVoid_;
1245     JSObjectRef object(CYCastJSObject(context, value));
1246     JSObjectRef type(CYCastJSObject(context, CYGetProperty(context, object, cyt_s)));
1247     _assert(JSValueIsObjectOfClass(context, type, CYPrivate<Type_privateData>::Class_));
1248     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(type)));
1249     return internal->type_;
1250 }
1251
1252 void CYCallFunction(CYPool &pool, JSContextRef context, ffi_cif *cif, void (*function)(), void *value, void **values) {
1253     ffi_call(cif, function, value, values);
1254 }
1255
1256 JSValueRef CYCallFunction(CYPool &pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, bool variadic, const sig::Signature &signature, ffi_cif *cif, void (*function)()) {
1257     size_t have(setups + count);
1258     size_t need(signature.count - 1);
1259
1260     if (have < need)
1261         throw CYJSError(context, "insufficient number of arguments to ffi function");
1262
1263     ffi_cif corrected;
1264     sig::Element *elements(signature.elements);
1265
1266     if (have > need) {
1267         if (!variadic)
1268             throw CYJSError(context, "exorbitant number of arguments to ffi function");
1269
1270         elements = new (pool) sig::Element[have + 1];
1271         memcpy(elements, signature.elements, sizeof(sig::Element) * (need + 1));
1272
1273         for (size_t index(need); index != have; ++index) {
1274             sig::Element &element(elements[index + 1]);
1275             element.name = NULL;
1276             element.offset = _not(size_t);
1277             element.type = CYGetType(pool, context, arguments[index - setups]);
1278         }
1279
1280         sig::Signature extended;
1281         extended.elements = elements;
1282         extended.count = have + 1;
1283         sig::sig_ffi_cif(pool, signature.count, extended, &corrected);
1284         cif = &corrected;
1285     }
1286
1287     void *values[have];
1288     memcpy(values, setup, sizeof(void *) * setups);
1289
1290     for (size_t index(setups); index != have; ++index) {
1291         sig::Element &element(elements[index + 1]);
1292         ffi_type *ffi(cif->arg_types[index]);
1293         values[index] = pool.malloc<uint8_t>(ffi->size, ffi->alignment);
1294         element.type->PoolFFI(&pool, context, ffi, values[index], arguments[index - setups]);
1295     }
1296
1297     CYBuffer buffer(context);
1298     uint8_t *value(buffer->malloc<uint8_t>(std::max<size_t>(cif->rtype->size, sizeof(ffi_arg)), std::max<size_t>(cif->rtype->alignment, alignof(ffi_arg))));
1299
1300     void (*call)(CYPool &, JSContextRef, ffi_cif *, void (*)(), void *, void **) = &CYCallFunction;
1301     // XXX: this only supports one hook, but it is a bad idea anyway
1302     for (CYHook *hook : GetHooks())
1303         if (hook->CallFunction != NULL)
1304             call = hook->CallFunction;
1305
1306     call(pool, context, cif, function, value, values);
1307     return signature.elements[0].type->FromFFI(context, cif->rtype, value, initialize, buffer);
1308 }
1309
1310 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1311     CYPool pool;
1312     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1313     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, internal->variadic_, internal->signature_, &internal->cif_, internal->value_);
1314 } CYCatch(NULL) }
1315
1316 static JSValueRef Pointer_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1317     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1318     if (dynamic_cast<sig::Function *>(internal->type_->type_) == NULL)
1319         throw CYJSError(context, "cannot call a pointer to non-function");
1320     JSObjectRef functor(CYCastJSObject(context, CYGetProperty(context, object, cyi_s)));
1321     return CYCallAsFunction(context, functor, _this, count, arguments);
1322 } CYCatch(NULL) }
1323
1324 JSObjectRef CYMakeType(JSContextRef context, const sig::Type &type) {
1325     return CYPrivate<Type_privateData>::Make(context, type);
1326 }
1327
1328 extern "C" bool CYBridgeHash(CYPool &pool, CYUTF8String name, const char *&code, unsigned &flags) {
1329     sqlite3_stmt *statement;
1330
1331     _sqlcall(sqlite3_prepare(database_,
1332         "select "
1333             "\"cache\".\"code\", "
1334             "\"cache\".\"flags\" "
1335         "from \"cache\" "
1336         "where"
1337             " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM " and"
1338             " \"cache\".\"name\" = ?"
1339         " limit 1"
1340     , -1, &statement, NULL));
1341
1342     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
1343
1344     bool success;
1345     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE)
1346         success = false;
1347     else {
1348         success = true;
1349         code = sqlite3_column_pooled(pool, statement, 0);
1350         flags = sqlite3_column_int(statement, 1);
1351     }
1352
1353     _sqlcall(sqlite3_finalize(statement));
1354     return success;
1355 }
1356
1357 static bool All_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1358     if (JSStringIsEqualToUTF8CString(property, "errno"))
1359         return true;
1360
1361     JSObjectRef global(CYGetGlobalObject(context));
1362     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1363     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1364
1365     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1366         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1367             if (CYHasProperty(context, space, property))
1368                 return true;
1369
1370     CYPool pool;
1371     const char *code;
1372     unsigned flags;
1373     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags))
1374         return true;
1375
1376     return false;
1377 }
1378
1379 static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1380     if (JSStringIsEqualToUTF8CString(property, "errno"))
1381         return CYCastJSValue(context, errno);
1382
1383     JSObjectRef global(CYGetGlobalObject(context));
1384     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1385     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1386
1387     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1388         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1389             if (JSValueRef value = CYGetProperty(context, space, property))
1390                 if (!JSValueIsUndefined(context, value))
1391                     return value;
1392
1393     CYPool pool;
1394     const char *code;
1395     unsigned flags;
1396     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags)) {
1397         CYUTF8String parsed;
1398
1399         try {
1400             parsed = CYPoolCode(pool, code);
1401         } catch (const CYException &error) {
1402             CYThrow("%s", pool.strcat("error caching ", CYPoolCString(pool, context, property), ": ", error.PoolCString(pool), NULL));
1403         }
1404
1405         JSObjectRef cache(CYGetCachedObject(context, CYJSString("cache")));
1406
1407         JSObjectRef stub;
1408         if (flags == CYBridgeType) {
1409             stub = CYMakeType(context, sig::Void());
1410             CYSetProperty(context, cache, property, stub);
1411         } else
1412             stub = NULL;
1413
1414         JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(parsed), NULL, NULL, 0));
1415
1416         switch (flags) {
1417             case CYBridgeVoid: {
1418             } break;
1419
1420             case CYBridgeHold: {
1421                 CYSetProperty(context, cache, property, value);
1422             } break;
1423
1424             case CYBridgeType: {
1425                 JSObjectRef swap(CYCastJSObject(context, value));
1426                 void *source(JSObjectGetPrivate(swap));
1427                 _assert(source != NULL);
1428                 void *target(JSObjectGetPrivate(stub));
1429                 _assert(JSObjectSetPrivate(swap, target));
1430                 _assert(JSObjectSetPrivate(stub, source));
1431                 value = stub;
1432             } break;
1433         }
1434
1435         return value;
1436     }
1437
1438     return NULL;
1439 } CYCatch(NULL) }
1440
1441 static JSValueRef All_complete_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1442     _assert(count == 1 || count == 2);
1443     CYPool pool;
1444     CYUTF8String prefix(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
1445
1446     JSObjectRef array(NULL);
1447
1448     {
1449     CYArrayBuilder<1024> values(context, array);
1450
1451     sqlite3_stmt *statement;
1452
1453     if (prefix.size == 0)
1454         _sqlcall(sqlite3_prepare(database_,
1455             "select "
1456                 "\"cache\".\"name\" "
1457             "from \"cache\" "
1458             "where"
1459                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1460         , -1, &statement, NULL));
1461     else {
1462         _sqlcall(sqlite3_prepare(database_,
1463             "select "
1464                 "\"cache\".\"name\" "
1465             "from \"cache\" "
1466             "where"
1467                 " \"cache\".\"name\" >= ? and \"cache\".\"name\" < ? and "
1468                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1469         , -1, &statement, NULL));
1470
1471         _sqlcall(sqlite3_bind_text(statement, 1, prefix.data, prefix.size, SQLITE_STATIC));
1472
1473         char *after(pool.strndup(prefix.data, prefix.size));
1474         ++after[prefix.size - 1];
1475         _sqlcall(sqlite3_bind_text(statement, 2, after, prefix.size, SQLITE_STATIC));
1476     }
1477
1478     while (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE)
1479         values(CYCastJSValue(context, CYJSString(sqlite3_column_string(statement, 0))));
1480
1481     _sqlcall(sqlite3_finalize(statement));
1482     }
1483
1484     return array;
1485 } CYCatch(NULL) }
1486
1487 static void All_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1488     JSObjectRef global(CYGetGlobalObject(context));
1489     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1490     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1491
1492     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1493         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) {
1494             JSPropertyNameArrayRef subset(JSObjectCopyPropertyNames(context, space));
1495             for (size_t index(0), count(JSPropertyNameArrayGetCount(subset)); index != count; ++index)
1496                 JSPropertyNameAccumulatorAddName(names, JSPropertyNameArrayGetNameAtIndex(subset, index));
1497             JSPropertyNameArrayRelease(subset);
1498         }
1499 }
1500
1501 static JSObjectRef CArray_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1502     _assert(false);
1503 } CYCatchObject() }
1504
1505 static JSObjectRef CString_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1506     _assert(false);
1507 } CYCatchObject() }
1508
1509 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1510     _assert(false);
1511 } CYCatchObject() }
1512
1513 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1514     CYPool pool;
1515
1516     if (false) {
1517     } else if (count == 1) {
1518         switch (JSValueGetType(context, arguments[0])) {
1519             case kJSTypeString: {
1520                 const char *encoding(CYPoolCString(pool, context, arguments[0]));
1521                 sig::Signature signature;
1522                 sig::Parse(pool, &signature, encoding, &Structor_);
1523                 return CYMakeType(context, *signature.elements[0].type);
1524             } break;
1525
1526             case kJSTypeObject: {
1527                 // XXX: accept a set of enum constants and /guess/ at their size
1528                 _assert(false);
1529             } break;
1530
1531             default:
1532                 throw CYJSError(context, "incorrect kind of argument to new Type");
1533         }
1534     } else if (count == 2) {
1535         JSObjectRef types(CYCastJSObject(context, arguments[0]));
1536         size_t count(CYArrayLength(context, types));
1537
1538         JSObjectRef names(CYCastJSObject(context, arguments[1]));
1539
1540         sig::Aggregate type(false);
1541         type.signature.elements = new(pool) sig::Element[count];
1542         type.signature.count = count;
1543
1544         for (size_t i(0); i != count; ++i) {
1545             sig::Element &element(type.signature.elements[i]);
1546             element.offset = _not(size_t);
1547
1548             JSValueRef name(CYArrayGet(context, names, i));
1549             if (JSValueIsUndefined(context, name))
1550                 element.name = NULL;
1551             else
1552                 element.name = CYPoolCString(pool, context, name);
1553
1554             JSObjectRef object(CYCastJSObject(context, CYArrayGet(context, types, i)));
1555             _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1556             Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1557             element.type = internal->type_;
1558             _assert(element.type != NULL);
1559         }
1560
1561         return CYMakeType(context, type);
1562     } else {
1563         throw CYJSError(context, "incorrect number of arguments to Type constructor");
1564     }
1565 } CYCatchObject() }
1566
1567 static JSValueRef Type_callAsFunction_$With(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], sig::Callable &type, JSValueRef *exception) { CYTry {
1568     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1569
1570     CYPool pool;
1571
1572     type.signature.elements = new(pool) sig::Element[1 + count];
1573     type.signature.count = 1 + count;
1574
1575     type.signature.elements[0].name = NULL;
1576     type.signature.elements[0].type = internal->type_;
1577     type.signature.elements[0].offset = _not(size_t);
1578
1579     for (size_t i(0); i != count; ++i) {
1580         sig::Element &element(type.signature.elements[i + 1]);
1581         element.name = NULL;
1582         element.offset = _not(size_t);
1583
1584         JSObjectRef object(CYCastJSObject(context, arguments[i]));
1585         _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1586         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1587
1588         element.type = internal->type_;
1589     }
1590
1591     return CYMakeType(context, type);
1592 } CYCatch(NULL) }
1593
1594 static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1595     if (count != 1)
1596         throw CYJSError(context, "incorrect number of arguments to Type.arrayOf");
1597     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1598
1599     CYPool pool;
1600     size_t index(CYGetIndex(pool, context, CYJSString(context, arguments[0])));
1601     if (index == _not(size_t))
1602         throw CYJSError(context, "invalid array size used with Type.arrayOf");
1603
1604     sig::Array type(*internal->type_, index);
1605     return CYMakeType(context, type);
1606 } CYCatch(NULL) }
1607
1608 static JSValueRef Type_callAsFunction_blockWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1609 #ifdef CY_OBJECTIVEC
1610     sig::Block type;
1611     return Type_callAsFunction_$With(context, object, _this, count, arguments, type, exception);
1612 #else
1613     _assert(false);
1614 #endif
1615 }
1616
1617 static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1618     if (count != 0)
1619         throw CYJSError(context, "incorrect number of arguments to Type.constant");
1620     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1621
1622     CYPool pool;
1623     sig::Type *type(internal->type_->Copy(pool));
1624     type->flags |= JOC_TYPE_CONST;
1625     return CYMakeType(context, *type);
1626 } CYCatch(NULL) }
1627
1628 static JSValueRef Type_callAsFunction_enumFor(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1629     if (count != 1)
1630         throw CYJSError(context, "incorrect number of arguments to Type.enumFor");
1631     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1632
1633     CYPool pool;
1634
1635     JSObjectRef constants(CYCastJSObject(context, arguments[0]));
1636
1637     // XXX: this is, sadly, going to leak
1638     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, constants));
1639
1640     size_t count(JSPropertyNameArrayGetCount(names));
1641
1642     sig::Enum type(*internal->type_, count);
1643     type.constants = new(pool) sig::Constant[count];
1644
1645     for (size_t index(0); index != count; ++index) {
1646         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
1647         JSValueRef value(CYGetProperty(context, constants, name));
1648         _assert(JSValueGetType(context, value) == kJSTypeNumber);
1649         CYUTF8String string(CYPoolUTF8String(pool, context, name));
1650         type.constants[index].name = string.data;
1651         type.constants[index].value = CYCastDouble(context, value);
1652     }
1653
1654     JSPropertyNameArrayRelease(names);
1655
1656     return CYMakeType(context, type);
1657 } CYCatch(NULL) }
1658
1659 static JSValueRef Type_callAsFunction_functionWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1660     bool variadic(count != 0 && JSValueIsNull(context, arguments[count - 1]));
1661     sig::Function type(variadic);
1662     return Type_callAsFunction_$With(context, object, _this, variadic ? count - 1 : count, arguments, type, exception);
1663 }
1664
1665 static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1666     if (count != 0)
1667         throw CYJSError(context, "incorrect number of arguments to Type.pointerTo");
1668     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1669
1670     if (dynamic_cast<sig::Primitive<char> *>(internal->type_) != NULL)
1671         return CYMakeType(context, sig::String());
1672     else
1673         return CYMakeType(context, sig::Pointer(*internal->type_));
1674 } CYCatch(NULL) }
1675
1676 static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1677     if (count != 1)
1678         throw CYJSError(context, "incorrect number of arguments to Type.withName");
1679     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1680
1681     CYPool pool;
1682     return CYMakeType(context, *internal->type_->Copy(pool, CYPoolCString(pool, context, arguments[0])));
1683 } CYCatch(NULL) }
1684
1685 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1686     if (count != 1)
1687         throw CYJSError(context, "incorrect number of arguments to type cast function");
1688     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1689
1690     if (sig::Function *function = dynamic_cast<sig::Function *>(internal->type_))
1691         return CYMakeFunctor(context, arguments[0], function->variadic, function->signature);
1692
1693     CYBuffer buffer(context);
1694
1695     sig::Type *type(internal->type_);
1696     ffi_type *ffi(internal->GetFFI());
1697
1698     void *data;
1699     if (_this == NULL || CYIsStrictEqual(context, _this, CYGetGlobalObject(context)))
1700         data = buffer->malloc<void>(ffi->size, ffi->alignment);
1701     else {
1702         CYSetProperty(context, buffer, CYJSString("$cyo"), _this, kJSPropertyAttributeDontEnum);
1703         data = CYCastPointer<void *>(context, _this);
1704     }
1705
1706     type->PoolFFI(buffer, context, ffi, data, arguments[0]);
1707     JSValueRef value(type->FromFFI(context, ffi, data, false, buffer));
1708
1709     if (JSValueGetType(context, value) == kJSTypeNumber) {
1710         JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("Number")), 1, &value));
1711         CYSetProperty(context, typed, cyt_s, object, kJSPropertyAttributeDontEnum);
1712         value = typed;
1713     }
1714
1715     return value;
1716 } CYCatch(NULL) }
1717
1718 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1719     if (count > 1)
1720         throw CYJSError(context, "incorrect number of arguments to Type allocator");
1721     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1722
1723     JSObjectRef pointer(CYMakePointer(context, NULL, *internal->type_, NULL, NULL));
1724     Pointer *value(reinterpret_cast<Pointer *>(JSObjectGetPrivate(pointer)));
1725
1726     sig::Type *type(internal->type_);
1727     ffi_type *ffi(internal->GetFFI());
1728     value->value_ = value->pool_->malloc<void>(ffi->size, ffi->alignment);
1729
1730     if (count == 0)
1731         memset(value->value_, 0, ffi->size);
1732     else
1733         type->PoolFFI(value->pool_, context, ffi, value->value_, arguments[0]);
1734
1735     return pointer;
1736 } CYCatchObject() }
1737
1738 // XXX: I don't even think the user should be allowed to do this
1739 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1740     if (count != 2)
1741         throw CYJSError(context, "incorrect number of arguments to Functor constructor");
1742     CYPool pool;
1743     const char *encoding(CYPoolCString(pool, context, arguments[1]));
1744     sig::Signature signature;
1745     sig::Parse(pool, &signature, encoding, &Structor_);
1746     // XXX: this can try to return null, and I guess then it just fails
1747     return CYCastJSObject(context, CYMakeFunctor(context, arguments[0], false, signature));
1748 } CYCatchObject() }
1749
1750 static JSValueRef CArray_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1751     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1752     JSObjectRef owner(internal->owner_ ?: object);
1753     return CYMakePointer(context, internal->value_, *internal->type_->type_, NULL, owner);
1754 } CYCatch(NULL) }
1755
1756 static JSValueRef CString_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1757     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1758     JSObjectRef owner(internal->owner_ ?: object);
1759     return CYMakePointer(context, internal->value_, sig::Primitive<char>(), NULL, owner);
1760 } CYCatch(NULL) }
1761
1762 static JSValueRef Functor_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1763     CYPool pool;
1764     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1765
1766     sig::Function type(internal->variadic_);
1767     sig::Copy(pool, type.signature, internal->signature_);
1768
1769     return CYMakePointer(context, reinterpret_cast<void *>(internal->value_), type, NULL, NULL);
1770 } CYCatch(NULL) }
1771
1772 static JSValueRef Pointer_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1773     return _this;
1774 } CYCatch(NULL) }
1775
1776 static JSValueRef CArray_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1777     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1778     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1779 } CYCatch(NULL) }
1780
1781 static JSValueRef Pointer_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1782     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1783     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1784 } CYCatch(NULL) }
1785
1786 static JSValueRef Functor_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1787     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1788     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1789 } CYCatch(NULL) }
1790
1791 static JSValueRef Functor_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1792     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1793     uint8_t *value(reinterpret_cast<uint8_t *>(internal->value_));
1794     _assert(value != NULL);
1795
1796     CYLocalPool pool;
1797
1798     sig::Function function(internal->variadic_);
1799     sig::Copy(pool, function.signature, internal->signature_);
1800
1801     CYPropertyName *name(internal->GetName(pool));
1802     auto typed(CYDecodeType(pool, &function));
1803
1804     std::ostringstream str;
1805     CYOptions options;
1806     CYOutput output(*str.rdbuf(), options);
1807     output.pretty_ = true;
1808     (new(pool) CYExternalExpression(new(pool) CYString("C"), typed, name))->Output(output, CYNoFlags);
1809     return CYCastJSValue(context, CYJSString(str.str()));
1810 } CYCatch(NULL) }
1811
1812 CYPropertyName *cy::Functor::GetName(CYPool &pool) const {
1813     Dl_info info;
1814     if (dladdr(reinterpret_cast<void *>(value_), &info) == 0 || strcmp(info.dli_sname, "<redacted>") == 0)
1815         return new(pool) CYNumber(reinterpret_cast<uintptr_t>(value_));
1816
1817     std::ostringstream str;
1818     str << info.dli_sname;
1819     off_t offset(reinterpret_cast<uint8_t *>(value_) - reinterpret_cast<uint8_t *>(info.dli_saddr));
1820     if (offset != 0)
1821         str << "+0x" << std::hex << offset;
1822     return new(pool) CYString(pool.strdup(str.str().c_str()));
1823 }
1824
1825 static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1826     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
1827
1828     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1829
1830     try {
1831         JSValueRef value(CYGetProperty(context, _this, cyi_s));
1832         if (!JSValueIsUndefined(context, value)) {
1833             CYPool pool;
1834             return CYCastJSValue(context, pool.strcat("&", CYPoolCCYON(pool, context, value, objects), NULL));
1835         }
1836     } catch (const CYException &e) {
1837         // XXX: it might be interesting to include this error
1838     }
1839
1840     CYLocalPool pool;
1841     std::ostringstream str;
1842
1843     sig::Pointer type(*internal->type_->type_);
1844
1845     CYOptions options;
1846     CYOutput output(*str.rdbuf(), options);
1847     (new(pool) CYTypeExpression(CYDecodeType(pool, &type)))->Output(output, CYNoFlags);
1848
1849     str << "(" << internal->value_ << ")";
1850     std::string value(str.str());
1851     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1852 } CYCatch(NULL) }
1853
1854 static JSValueRef CString_getProperty_length(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1855     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1856     return CYCastJSValue(context, strlen(internal->value_));
1857 } CYCatch(NULL) }
1858
1859 static JSValueRef CString_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1860     return CYMakeType(context, sig::String());
1861 } CYCatch(NULL) }
1862
1863 static JSValueRef CArray_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1864     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1865     sig::Array type(*internal->type_->type_, internal->length_);
1866     return CYMakeType(context, type);
1867 } CYCatch(NULL) }
1868
1869 static JSValueRef Pointer_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1870     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1871     sig::Pointer type(*internal->type_->type_);
1872     return CYMakeType(context, type);
1873 } CYCatch(NULL) }
1874
1875 static JSValueRef CString_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1876     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1877     const char *string(internal->value_);
1878     std::ostringstream str;
1879     if (string == NULL)
1880         str << "NULL";
1881     else {
1882         str << "&";
1883         CYStringify(str, string, strlen(string), CYStringifyModeNative);
1884     }
1885     std::string value(str.str());
1886     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1887 } CYCatch(NULL) }
1888
1889 static JSValueRef CString_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1890     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1891     return CYCastJSValue(context, internal->value_);
1892 } CYCatch(NULL) }
1893
1894 static JSValueRef Functor_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1895     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1896     CYPool pool;
1897     sig::Function type(internal->variadic_);
1898     sig::Copy(pool, type.signature, internal->signature_);
1899     return CYMakeType(context, type);
1900 } CYCatch(NULL) }
1901
1902 static JSValueRef Type_getProperty_alignment(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1903     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1904     return CYCastJSValue(context, internal->GetFFI()->alignment);
1905 } CYCatch(NULL) }
1906
1907 static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1908     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1909     return CYCastJSValue(context, internal->type_->GetName());
1910 } CYCatch(NULL) }
1911
1912 static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1913     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1914     return CYCastJSValue(context, internal->GetFFI()->size);
1915 } CYCatch(NULL) }
1916
1917 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1918     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1919     CYPool pool;
1920     const char *type(sig::Unparse(pool, internal->type_));
1921     return CYCastJSValue(context, CYJSString(type));
1922 } CYCatch(NULL) }
1923
1924 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1925     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1926     CYLocalPool pool;
1927     std::stringbuf out;
1928     CYOptions options;
1929     CYOutput output(out, options);
1930     output.pretty_ = true;
1931     (new(pool) CYTypeExpression(CYDecodeType(pool, internal->type_->Copy(pool, ""))))->Output(output, CYNoFlags);
1932     return CYCastJSValue(context, CYJSString(out.str().c_str()));
1933 } CYCatch(NULL) }
1934
1935 static JSStaticFunction All_staticFunctions[2] = {
1936     {"cy$complete", &All_complete_callAsFunction, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1937     {NULL, NULL, 0}
1938 };
1939
1940 static JSStaticFunction CArray_staticFunctions[3] = {
1941     {"toPointer", &CArray_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1942     {"valueOf", &CArray_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1943     {NULL, NULL, 0}
1944 };
1945
1946 static JSStaticValue CArray_staticValues[2] = {
1947     {"$cyt", &CArray_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1948     {NULL, NULL, NULL, 0}
1949 };
1950
1951 static JSStaticFunction CString_staticFunctions[5] = {
1952     {"toCYON", &CString_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1953     {"toPointer", &CString_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1954     {"toString", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1955     {"valueOf", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1956     {NULL, NULL, 0}
1957 };
1958
1959 static JSStaticValue CString_staticValues[3] = {
1960     {"length", &CString_getProperty_length, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1961     {"$cyt", &CString_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1962     {NULL, NULL, NULL, 0}
1963 };
1964
1965 static JSStaticFunction Pointer_staticFunctions[4] = {
1966     {"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1967     {"toPointer", &Pointer_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1968     {"valueOf", &Pointer_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1969     {NULL, NULL, 0}
1970 };
1971
1972 static JSStaticValue Pointer_staticValues[2] = {
1973     {"$cyt", &Pointer_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1974     {NULL, NULL, NULL, 0}
1975 };
1976
1977 static JSStaticFunction Struct_staticFunctions[2] = {
1978     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1979     {NULL, NULL, 0}
1980 };
1981
1982 static JSStaticValue Struct_staticValues[2] = {
1983     {"$cyt", &Struct_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1984     {NULL, NULL, NULL, 0}
1985 };
1986
1987 static JSStaticFunction Functor_staticFunctions[4] = {
1988     {"$cya", &Functor_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1989     {"toCYON", &Functor_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1990     {"valueOf", &Functor_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1991     {NULL, NULL, 0}
1992 };
1993
1994 static JSStaticValue Functor_staticValues[2] = {
1995     {"$cyt", &Functor_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1996     {NULL, NULL, NULL, 0}
1997 };
1998
1999 static JSStaticValue Type_staticValues[4] = {
2000     {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2001     {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2002     {"size", &Type_getProperty_size, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2003     {NULL, NULL, NULL, 0}
2004 };
2005
2006 static JSStaticFunction Type_staticFunctions[10] = {
2007     {"arrayOf", &Type_callAsFunction_arrayOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2008     {"blockWith", &Type_callAsFunction_blockWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2009     {"constant", &Type_callAsFunction_constant, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2010     {"enumFor", &Type_callAsFunction_enumFor, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2011     {"functionWith", &Type_callAsFunction_functionWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2012     {"pointerTo", &Type_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2013     {"withName", &Type_callAsFunction_withName, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2014     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2015     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2016     {NULL, NULL, 0}
2017 };
2018
2019 _visible void CYSetArgs(const char *argv0, const char *script, int argc, const char *argv[]) {
2020     JSContextRef context(CYGetJSContext());
2021     JSValueRef args[argc + 2];
2022     for (int i(0); i != argc; ++i)
2023         args[i + 2] = CYCastJSValue(context, argv[i]);
2024
2025     size_t offset;
2026     if (script == NULL)
2027         offset = 1;
2028     else {
2029         offset = 0;
2030         args[1] = CYCastJSValue(context, CYJSString(script));
2031     }
2032
2033     args[offset] = CYCastJSValue(context, CYJSString(argv0));
2034
2035     CYSetProperty(context, CYGetCachedObject(context, CYJSString("System")), CYJSString("args"), CYObjectMakeArray(context, argc, args + 2));
2036     CYSetProperty(context, CYGetCachedObject(context, CYJSString("process")), CYJSString("argv"), CYObjectMakeArray(context, argc + 2 - offset, args + offset));
2037 }
2038
2039 JSObjectRef CYGetGlobalObject(JSContextRef context) {
2040     return JSContextGetGlobalObject(context);
2041 }
2042
2043 // XXX: this is neither exceptin safe nor even terribly sane
2044 class ExecutionHandle {
2045   private:
2046     JSContextRef context_;
2047     std::vector<void *> handles_;
2048
2049   public:
2050     ExecutionHandle(JSContextRef context) :
2051         context_(context)
2052     {
2053         handles_.resize(GetHooks().size());
2054         for (size_t i(0); i != GetHooks().size(); ++i) {
2055             CYHook *hook(GetHooks()[i]);
2056             if (hook->ExecuteStart != NULL)
2057                 handles_[i] = (*hook->ExecuteStart)(context_);
2058             else
2059                 handles_[i] = NULL;
2060         }
2061     }
2062
2063     ~ExecutionHandle() {
2064         for (size_t i(GetHooks().size()); i != 0; --i) {
2065             CYHook *hook(GetHooks()[i-1]);
2066             if (hook->ExecuteEnd != NULL)
2067                 (*hook->ExecuteEnd)(context_, handles_[i-1]);
2068         }
2069     }
2070 };
2071
2072 #ifndef __ANDROID__
2073 static volatile bool cancel_;
2074
2075 static bool CYShouldTerminate(JSContextRef context, void *arg) {
2076     return cancel_;
2077 }
2078 #endif
2079
2080 _visible const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) {
2081     ExecutionHandle handle(context);
2082
2083 #ifndef __ANDROID__
2084     cancel_ = false;
2085     if (&JSContextGroupSetExecutionTimeLimit != NULL)
2086         JSContextGroupSetExecutionTimeLimit(JSContextGetGroup(context), 0.5, &CYShouldTerminate, NULL);
2087 #endif
2088
2089     try {
2090         JSValueRef result(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2091         if (JSValueIsUndefined(context, result))
2092             return NULL;
2093
2094         std::set<void *> objects;
2095         const char *json(_jsccall(CYPoolCCYON, pool, context, result, objects));
2096         CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
2097
2098         return json;
2099     } catch (const CYException &error) {
2100         return pool.strcat("throw ", error.PoolCString(pool), NULL);
2101     }
2102 }
2103
2104 #ifndef __ANDROID__
2105 _visible void CYCancel() {
2106     cancel_ = true;
2107 }
2108 #endif
2109
2110 const char *CYPoolLibraryPath(CYPool &pool);
2111
2112 static bool initialized_ = false;
2113
2114 void CYInitializeDynamic() {
2115     if (!initialized_)
2116         initialized_ = true;
2117     else return;
2118
2119     CYPool pool;
2120     const char *db(pool.strcat(CYPoolLibraryPath(pool), "/libcycript.db", NULL));
2121     _sqlcall(sqlite3_open_v2(db, &database_, SQLITE_OPEN_READONLY, NULL));
2122
2123     JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
2124     JSSynchronousGarbageCollectForDebugging$ = reinterpret_cast<void (*)(JSContextRef)>(dlsym(RTLD_DEFAULT, "JSSynchronousGarbageCollectForDebugging"));
2125
2126     JSClassDefinition definition;
2127
2128     definition = kJSClassDefinitionEmpty;
2129     definition.className = "All";
2130     definition.staticFunctions = All_staticFunctions;
2131     definition.hasProperty = &All_hasProperty;
2132     definition.getProperty = &All_getProperty;
2133     definition.getPropertyNames = &All_getPropertyNames;
2134     All_ = JSClassCreate(&definition);
2135
2136     definition = kJSClassDefinitionEmpty;
2137     definition.className = "Context";
2138     definition.finalize = &CYFinalize;
2139     CYPrivate<Context>::Class_ = JSClassCreate(&definition);
2140
2141     definition = kJSClassDefinitionEmpty;
2142     definition.className = "CArray";
2143     definition.staticFunctions = CArray_staticFunctions;
2144     definition.staticValues = CArray_staticValues;
2145     definition.getProperty = &CArray_getProperty;
2146     definition.setProperty = &CArray_setProperty;
2147     definition.finalize = &CYFinalize;
2148     CYPrivate<CArray>::Class_ = JSClassCreate(&definition);
2149
2150     definition = kJSClassDefinitionEmpty;
2151     definition.className = "CString";
2152     definition.staticFunctions = CString_staticFunctions;
2153     definition.staticValues = CString_staticValues;
2154     definition.getProperty = &CString_getProperty;
2155     definition.setProperty = &CString_setProperty;
2156     definition.finalize = &CYFinalize;
2157     CYPrivate<CString>::Class_ = JSClassCreate(&definition);
2158
2159     definition = kJSClassDefinitionEmpty;
2160     definition.className = "Functor";
2161     definition.staticFunctions = Functor_staticFunctions;
2162     definition.staticValues = Functor_staticValues;
2163     definition.callAsFunction = &Functor_callAsFunction;
2164     definition.finalize = &CYFinalize;
2165     cy::Functor::Class_ = JSClassCreate(&definition);
2166
2167     definition = kJSClassDefinitionEmpty;
2168     definition.className = "Pointer";
2169     definition.staticFunctions = Pointer_staticFunctions;
2170     definition.staticValues = Pointer_staticValues;
2171     definition.callAsFunction = &Pointer_callAsFunction;
2172     definition.getProperty = &Pointer_getProperty;
2173     definition.setProperty = &Pointer_setProperty;
2174     definition.finalize = &CYFinalize;
2175     CYPrivate<Pointer>::Class_ = JSClassCreate(&definition);
2176
2177     definition = kJSClassDefinitionEmpty;
2178     definition.className = "Root";
2179     definition.finalize = &CYFinalize;
2180     CYPrivate<CYRoot>::Class_ = JSClassCreate(&definition);
2181
2182     definition = kJSClassDefinitionEmpty;
2183     definition.className = "Struct";
2184     definition.staticFunctions = Struct_staticFunctions;
2185     definition.staticValues = Struct_staticValues;
2186     definition.getProperty = &Struct_getProperty;
2187     definition.setProperty = &Struct_setProperty;
2188     definition.getPropertyNames = &Struct_getPropertyNames;
2189     definition.finalize = &CYFinalize;
2190     CYPrivate<Struct_privateData>::Class_ = JSClassCreate(&definition);
2191
2192     definition = kJSClassDefinitionEmpty;
2193     definition.className = "Type";
2194     definition.staticValues = Type_staticValues;
2195     definition.staticFunctions = Type_staticFunctions;
2196     definition.callAsFunction = &Type_callAsFunction;
2197     definition.callAsConstructor = &Type_callAsConstructor;
2198     definition.finalize = &CYFinalize;
2199     CYPrivate<Type_privateData>::Class_ = JSClassCreate(&definition);
2200
2201     definition = kJSClassDefinitionEmpty;
2202     definition.className = "Global";
2203     //definition.getProperty = &Global_getProperty;
2204     Global_ = JSClassCreate(&definition);
2205
2206     Array_s = JSStringCreateWithUTF8CString("Array");
2207     constructor_s = JSStringCreateWithUTF8CString("constructor");
2208     cy_s = JSStringCreateWithUTF8CString("$cy");
2209     cyi_s = JSStringCreateWithUTF8CString("$cyi");
2210     cyt_s = JSStringCreateWithUTF8CString("$cyt");
2211     length_s = JSStringCreateWithUTF8CString("length");
2212     message_s = JSStringCreateWithUTF8CString("message");
2213     name_s = JSStringCreateWithUTF8CString("name");
2214     pop_s = JSStringCreateWithUTF8CString("pop");
2215     prototype_s = JSStringCreateWithUTF8CString("prototype");
2216     push_s = JSStringCreateWithUTF8CString("push");
2217     splice_s = JSStringCreateWithUTF8CString("splice");
2218     toCYON_s = JSStringCreateWithUTF8CString("toCYON");
2219     toJSON_s = JSStringCreateWithUTF8CString("toJSON");
2220     toPointer_s = JSStringCreateWithUTF8CString("toPointer");
2221     toString_s = JSStringCreateWithUTF8CString("toString");
2222     weak_s = JSStringCreateWithUTF8CString("weak");
2223
2224     Result_ = JSStringCreateWithUTF8CString("_");
2225
2226     for (CYHook *hook : GetHooks())
2227         if (hook->Initialize != NULL)
2228             (*hook->Initialize)();
2229 }
2230
2231 void CYThrow(JSContextRef context, JSValueRef value) {
2232     if (value != NULL)
2233         throw CYJSError(context, value);
2234 }
2235
2236 const char *CYJSError::PoolCString(CYPool &pool) const {
2237     std::set<void *> objects;
2238     // XXX: this used to be CYPoolCString
2239     return CYPoolCCYON(pool, context_, value_, objects);
2240 }
2241
2242 JSValueRef CYJSError::CastJSValue(JSContextRef context, const char *name) const {
2243     // XXX: what if the context is different? or the name? I dunno. ("epic" :/)
2244     return value_;
2245 }
2246
2247 JSValueRef CYCastJSError(JSContextRef context, const char *name, const char *message) {
2248     JSObjectRef Error(CYGetCachedObject(context, CYJSString(name)));
2249     JSValueRef arguments[1] = {CYCastJSValue(context, message)};
2250     return _jsccall(JSObjectCallAsConstructor, context, Error, 1, arguments);
2251 }
2252
2253 JSValueRef CYPoolError::CastJSValue(JSContextRef context, const char *name) const {
2254     return CYCastJSError(context, name, message_);
2255 }
2256
2257 CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
2258     _assert(context != NULL);
2259
2260     CYPool pool;
2261
2262     va_list args;
2263     va_start(args, format);
2264     // XXX: there might be a beter way to think about this
2265     const char *message(pool.vsprintf(64, format, args));
2266     va_end(args);
2267
2268     value_ = CYCastJSError(context, "Error", message);
2269 }
2270
2271 JSGlobalContextRef CYGetJSContext(JSContextRef context) {
2272     return reinterpret_cast<Context *>(JSObjectGetPrivate(CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s))))->context_;
2273 }
2274
2275 #ifdef __ANDROID__
2276 char *CYPoolLibraryPath_(CYPool &pool) {
2277     FILE *maps(fopen("/proc/self/maps", "r"));
2278     struct F { FILE *f; F(FILE *f) : f(f) {}
2279         ~F() { fclose(f); } } f(maps);
2280
2281     size_t function(reinterpret_cast<size_t>(&CYPoolLibraryPath));
2282
2283     for (;;) {
2284         size_t start; size_t end; char flags[8]; unsigned long long offset;
2285         int major; int minor; unsigned long long inode; char file[1024];
2286         int count(fscanf(maps, "%zx-%zx %7s %llx %x:%x %llu%[ ]%1024[^\n]\n",
2287             &start, &end, flags, &offset, &major, &minor, &inode, file, file));
2288         if (count < 8) break; else if (start <= function && function < end)
2289             return pool.strdup(file);
2290     }
2291
2292     _assert(false);
2293 }
2294 #else
2295 char *CYPoolLibraryPath_(CYPool &pool) {
2296     Dl_info addr;
2297     _assert(dladdr(reinterpret_cast<void *>(&CYPoolLibraryPath), &addr) != 0);
2298     return pool.strdup(addr.dli_fname);
2299 }
2300 #endif
2301
2302 const char *CYPoolLibraryPath(CYPool &pool) {
2303     char *lib(CYPoolLibraryPath_(pool));
2304
2305     char *slash(strrchr(lib, '/'));
2306     if (slash == NULL)
2307         return ".";
2308     *slash = '\0';
2309
2310     slash = strrchr(lib, '/');
2311     if (slash != NULL) {
2312         if (strcmp(slash, "/.libs") == 0)
2313             *slash = '\0';
2314     } else if (strcmp(lib, ".libs") == 0)
2315         return ".";
2316
2317     return lib;
2318 }
2319
2320 static JSValueRef require_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2321     _assert(count == 1);
2322     CYPool pool;
2323
2324     CYUTF8String name(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
2325     if (memchr(name.data, '/', name.size) == NULL && (
2326 #ifdef __APPLE__
2327         dlopen(pool.strcat("/System/Library/Frameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2328         dlopen(pool.strcat("/System/Library/PrivateFrameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2329 #endif
2330     false))
2331         return CYJSUndefined(context);
2332
2333     CYJSString path;
2334     CYUTF8String code;
2335
2336     sqlite3_stmt *statement;
2337
2338     _sqlcall(sqlite3_prepare(database_,
2339         "select "
2340             "\"module\".\"code\", "
2341             "\"module\".\"flags\" "
2342         "from \"module\" "
2343         "where"
2344             " \"module\".\"name\" = ?"
2345         " limit 1"
2346     , -1, &statement, NULL));
2347
2348     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
2349
2350     if (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE) {
2351         code.data = static_cast<const char *>(sqlite3_column_blob(statement, 0));
2352         code.size = sqlite3_column_bytes(statement, 0);
2353         path = CYJSString(name);
2354         code = CYPoolUTF8String(pool, code);
2355     } else {
2356         JSObjectRef resolve(CYCastJSObject(context, CYGetProperty(context, object, CYJSString("resolve"))));
2357         path = CYJSString(context, CYCallAsFunction(context, resolve, NULL, 1, arguments));
2358     }
2359
2360     _sqlcall(sqlite3_finalize(statement));
2361
2362     CYJSString property("exports");
2363
2364     JSObjectRef modules(CYGetCachedObject(context, CYJSString("modules")));
2365     JSValueRef cache(CYGetProperty(context, modules, path));
2366
2367     JSValueRef result;
2368     if (!JSValueIsUndefined(context, cache)) {
2369         JSObjectRef module(CYCastJSObject(context, cache));
2370         result = CYGetProperty(context, module, property);
2371     } else {
2372         if (code.data == NULL) {
2373             code = CYPoolFileUTF8String(pool, CYPoolCString(pool, context, path));
2374             _assert(code.data != NULL);
2375         }
2376
2377         size_t length(name.size);
2378         if (length >= 5 && strncmp(name.data + length - 5, ".json", 5) == 0) {
2379             JSObjectRef JSON(CYGetCachedObject(context, CYJSString("JSON")));
2380             JSObjectRef parse(CYCastJSObject(context, CYGetProperty(context, JSON, CYJSString("parse"))));
2381             JSValueRef arguments[1] = { CYCastJSValue(context, CYJSString(code)) };
2382             result = CYCallAsFunction(context, parse, JSON, 1, arguments);
2383         } else {
2384             JSObjectRef module(JSObjectMake(context, NULL, NULL));
2385             CYSetProperty(context, modules, path, module);
2386
2387             JSObjectRef exports(JSObjectMake(context, NULL, NULL));
2388             CYSetProperty(context, module, property, exports);
2389
2390             std::stringstream wrap;
2391             wrap << "(function (exports, require, module, __filename) { " << code << "\n});";
2392             code = CYPoolCode(pool, *wrap.rdbuf());
2393
2394             JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2395             JSObjectRef function(CYCastJSObject(context, value));
2396
2397             JSValueRef arguments[4] = { exports, object, module, CYCastJSValue(context, path) };
2398             CYCallAsFunction(context, function, NULL, 4, arguments);
2399             result = CYGetProperty(context, module, property);
2400         }
2401     }
2402
2403     return result;
2404 } CYCatch(NULL) }
2405
2406 static bool CYRunScript(JSGlobalContextRef context, const char *path) {
2407     CYPool pool;
2408     CYUTF8String code(CYPoolFileUTF8String(pool, pool.strcat(CYPoolLibraryPath(pool), path, NULL)));
2409     if (code.data == NULL)
2410         return false;
2411
2412     code = CYPoolCode(pool, code);
2413     _jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0);
2414     return true;
2415 }
2416
2417 extern "C" void CYDestroyWeak(JSWeakObjectMapRef weak, void *data) {
2418 }
2419
2420 extern "C" void CYSetupContext(JSGlobalContextRef context) {
2421     CYInitializeDynamic();
2422
2423     JSObjectRef global(CYGetGlobalObject(context));
2424
2425     JSObjectRef cy(CYPrivate<Context>::Make(context, context));
2426     CYSetProperty(context, global, cy_s, cy, kJSPropertyAttributeDontEnum);
2427
2428 /* Cache Globals {{{ */
2429     JSObjectRef Array(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array"))));
2430     CYSetProperty(context, cy, CYJSString("Array"), Array);
2431
2432     JSObjectRef Array_prototype(CYCastJSObject(context, CYGetProperty(context, Array, prototype_s)));
2433     CYSetProperty(context, cy, CYJSString("Array_prototype"), Array_prototype);
2434
2435     JSObjectRef Boolean(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Boolean"))));
2436     CYSetProperty(context, cy, CYJSString("Boolean"), Boolean);
2437
2438     JSObjectRef Boolean_prototype(CYCastJSObject(context, CYGetProperty(context, Boolean, prototype_s)));
2439     CYSetProperty(context, cy, CYJSString("Boolean_prototype"), Boolean_prototype);
2440
2441     JSObjectRef Error(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error"))));
2442     CYSetProperty(context, cy, CYJSString("Error"), Error);
2443
2444     JSObjectRef Function(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function"))));
2445     CYSetProperty(context, cy, CYJSString("Function"), Function);
2446
2447     JSObjectRef Function_prototype(CYCastJSObject(context, CYGetProperty(context, Function, prototype_s)));
2448     CYSetProperty(context, cy, CYJSString("Function_prototype"), Function_prototype);
2449
2450     JSObjectRef JSON(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("JSON"))));
2451     CYSetProperty(context, cy, CYJSString("JSON"), JSON);
2452
2453     JSObjectRef Number(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Number"))));
2454     CYSetProperty(context, cy, CYJSString("Number"), Number);
2455
2456     JSObjectRef Number_prototype(CYCastJSObject(context, CYGetProperty(context, Number, prototype_s)));
2457     CYSetProperty(context, cy, CYJSString("Number_prototype"), Number_prototype);
2458
2459     JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
2460     CYSetProperty(context, cy, CYJSString("Object"), Object);
2461
2462     JSObjectRef Object_prototype(CYCastJSObject(context, CYGetProperty(context, Object, prototype_s)));
2463     CYSetProperty(context, cy, CYJSString("Object_prototype"), Object_prototype);
2464
2465     JSObjectRef String(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String"))));
2466     CYSetProperty(context, cy, CYJSString("String"), String);
2467
2468     JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s)));
2469     CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype);
2470
2471     JSObjectRef SyntaxError(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("SyntaxError"))));
2472     CYSetProperty(context, cy, CYJSString("SyntaxError"), SyntaxError);
2473 /* }}} */
2474
2475     CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2476     CYSetProperty(context, String_prototype, toCYON_s, &String_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2477
2478     JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
2479     CYSetProperty(context, global, CYJSString("Cycript"), cycript);
2480     CYSetProperty(context, cycript, CYJSString("compile"), &Cycript_compile_callAsFunction);
2481     CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction);
2482
2483     JSObjectRef CArray(JSObjectMakeConstructor(context, CYPrivate<::CArray>::Class_, &CArray_new));
2484     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CArray, prototype_s)), Array_prototype);
2485     CYSetProperty(context, cycript, CYJSString("CArray"), CArray);
2486
2487     JSObjectRef CString(JSObjectMakeConstructor(context, CYPrivate<::CString>::Class_, &CString_new));
2488     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CString, prototype_s)), String_prototype);
2489     CYSetProperty(context, cycript, CYJSString("CString"), CString);
2490
2491     JSObjectRef Functor(JSObjectMakeConstructor(context, cy::Functor::Class_, &Functor_new));
2492     JSObjectRef Functor_prototype(CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)));
2493     CYSetPrototype(context, Functor_prototype, Function_prototype);
2494     CYSetProperty(context, cy, CYJSString("Functor_prototype"), Functor_prototype);
2495     CYSetProperty(context, cycript, CYJSString("Functor"), Functor);
2496
2497     CYSetProperty(context, cycript, CYJSString("Pointer"), JSObjectMakeConstructor(context, CYPrivate<Pointer>::Class_, &Pointer_new));
2498
2499     JSObjectRef Type(JSObjectMakeConstructor(context, CYPrivate<Type_privateData>::Class_, &Type_new));
2500     JSObjectRef Type_prototype(CYCastJSObject(context, CYGetProperty(context, Type, prototype_s)));
2501     CYSetPrototype(context, Type_prototype, Function_prototype);
2502     CYSetProperty(context, cy, CYJSString("Type_prototype"), Type_prototype);
2503     CYSetProperty(context, cycript, CYJSString("Type"), Type);
2504
2505     JSObjectRef Character_prototype(JSObjectMake(context, NULL, NULL));
2506     CYSetPrototype(context, Character_prototype, String_prototype);
2507     CYSetProperty(context, cy, CYJSString("Character_prototype"), Character_prototype);
2508     CYSetProperty(context, Character_prototype, CYJSString("valueOf"), _jsccall(JSEvaluateScript, context, CYJSString("(function(){return this.charCodeAt(0);})"), NULL, NULL, 0));
2509
2510     JSObjectRef modules(JSObjectMake(context, NULL, NULL));
2511     CYSetProperty(context, cy, CYJSString("modules"), modules);
2512
2513     JSObjectRef all(JSObjectMake(context, All_, NULL));
2514     CYSetProperty(context, cycript, CYJSString("all"), all);
2515
2516     JSObjectRef cache(JSObjectMake(context, NULL, NULL));
2517     CYSetProperty(context, cy, CYJSString("cache"), cache);
2518     CYSetPrototype(context, cache, all);
2519
2520     JSObjectRef alls(_jsccall(JSObjectCallAsConstructor, context, Array, 0, NULL));
2521     CYSetProperty(context, cycript, CYJSString("alls"), alls);
2522
2523     if (true) {
2524         JSObjectRef last(NULL), curr(global);
2525
2526         goto next; for (JSValueRef next;;) {
2527             if (JSValueIsNull(context, next))
2528                 break;
2529             last = curr;
2530             curr = CYCastJSObject(context, next);
2531           next:
2532             next = JSObjectGetPrototype(context, curr);
2533         }
2534
2535         CYSetPrototype(context, last, cache);
2536     }
2537
2538 #ifdef __APPLE__
2539     if (&JSWeakObjectMapCreate != NULL) {
2540         JSWeakObjectMapRef weak(JSWeakObjectMapCreate(context, NULL, &CYDestroyWeak));
2541         CYSetProperty(context, cy, weak_s, CYCastJSValue(context, reinterpret_cast<uintptr_t>(weak)));
2542     }
2543 #endif
2544
2545     CYSetProperty(context, String_prototype, cyt_s, CYMakeType(context, sig::String()), kJSPropertyAttributeDontEnum);
2546
2547     CYSetProperty(context, cache, CYJSString("dlerror"), CYMakeFunctor(context, "dlerror", "*"), kJSPropertyAttributeDontEnum);
2548     CYSetProperty(context, cache, CYJSString("RTLD_DEFAULT"), CYCastJSValue(context, reinterpret_cast<intptr_t>(RTLD_DEFAULT)), kJSPropertyAttributeDontEnum);
2549     CYSetProperty(context, cache, CYJSString("dlsym"), CYMakeFunctor(context, "dlsym", "^v^v*"), kJSPropertyAttributeDontEnum);
2550
2551     CYSetProperty(context, cache, CYJSString("NULL"), CYJSNull(context), kJSPropertyAttributeDontEnum);
2552
2553     CYSetProperty(context, cache, CYJSString("bool"), CYMakeType(context, sig::Primitive<bool>()), kJSPropertyAttributeDontEnum);
2554     CYSetProperty(context, cache, CYJSString("char"), CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
2555     CYSetProperty(context, cache, CYJSString("schar"), CYMakeType(context, sig::Primitive<signed char>()), kJSPropertyAttributeDontEnum);
2556     CYSetProperty(context, cache, CYJSString("uchar"), CYMakeType(context, sig::Primitive<unsigned char>()), kJSPropertyAttributeDontEnum);
2557
2558     CYSetProperty(context, cache, CYJSString("short"), CYMakeType(context, sig::Primitive<short>()), kJSPropertyAttributeDontEnum);
2559     CYSetProperty(context, cache, CYJSString("int"), CYMakeType(context, sig::Primitive<int>()), kJSPropertyAttributeDontEnum);
2560     CYSetProperty(context, cache, CYJSString("long"), CYMakeType(context, sig::Primitive<long>()), kJSPropertyAttributeDontEnum);
2561     CYSetProperty(context, cache, CYJSString("longlong"), CYMakeType(context, sig::Primitive<long long>()), kJSPropertyAttributeDontEnum);
2562
2563     CYSetProperty(context, cache, CYJSString("ushort"), CYMakeType(context, sig::Primitive<unsigned short>()), kJSPropertyAttributeDontEnum);
2564     CYSetProperty(context, cache, CYJSString("uint"), CYMakeType(context, sig::Primitive<unsigned int>()), kJSPropertyAttributeDontEnum);
2565     CYSetProperty(context, cache, CYJSString("ulong"), CYMakeType(context, sig::Primitive<unsigned long>()), kJSPropertyAttributeDontEnum);
2566     CYSetProperty(context, cache, CYJSString("ulonglong"), CYMakeType(context, sig::Primitive<unsigned long long>()), kJSPropertyAttributeDontEnum);
2567
2568 #ifdef __SIZEOF_INT128__
2569     CYSetProperty(context, cache, CYJSString("int128"), CYMakeType(context, sig::Primitive<__int128>()), kJSPropertyAttributeDontEnum);
2570     CYSetProperty(context, cache, CYJSString("uint128"), CYMakeType(context, sig::Primitive<unsigned __int128>()), kJSPropertyAttributeDontEnum);
2571 #endif
2572
2573     CYSetProperty(context, cache, CYJSString("float"), CYMakeType(context, sig::Primitive<float>()), kJSPropertyAttributeDontEnum);
2574     CYSetProperty(context, cache, CYJSString("double"), CYMakeType(context, sig::Primitive<double>()), kJSPropertyAttributeDontEnum);
2575     CYSetProperty(context, cache, CYJSString("longdouble"), CYMakeType(context, sig::Primitive<long double>()), kJSPropertyAttributeDontEnum);
2576
2577     CYSetProperty(context, global, CYJSString("require"), &require_callAsFunction, kJSPropertyAttributeDontEnum);
2578
2579     JSObjectRef System(JSObjectMake(context, NULL, NULL));
2580     CYSetProperty(context, all, CYJSString("system"), System);
2581     System = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("system")));
2582     CYSetProperty(context, cy, CYJSString("System"), System);
2583
2584     JSObjectRef process(JSObjectMake(context, NULL, NULL));
2585     CYSetProperty(context, global, CYJSString("process"), process);
2586     CYSetProperty(context, cy, CYJSString("process"), process);
2587
2588     CYSetProperty(context, System, CYJSString("args"), CYJSNull(context));
2589     CYSetProperty(context, System, CYJSString("print"), &System_print);
2590
2591     CYSetProperty(context, global, CYJSString("global"), global);
2592     CYSetProperty(context, global, CYJSString("print"), &Global_print);
2593
2594     for (CYHook *hook : GetHooks())
2595         if (hook->SetupContext != NULL)
2596             (*hook->SetupContext)(context);
2597
2598     CYArrayPush(context, alls, cycript);
2599
2600     CYRunScript(context, "/libcycript.cy");
2601 }
2602
2603 static JSGlobalContextRef context_;
2604
2605 _visible JSGlobalContextRef CYGetJSContext() {
2606     CYInitializeDynamic();
2607
2608     if (context_ == NULL) {
2609         context_ = JSGlobalContextCreate(Global_);
2610         CYSetupContext(context_);
2611     }
2612
2613     return context_;
2614 }
2615
2616 _visible void CYDestroyContext() {
2617     if (context_ == NULL)
2618         return;
2619     JSGlobalContextRelease(context_);
2620     context_ = NULL;
2621 }