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