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