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     JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array")));
 185     bool wat(length == 1 && JSValueGetType(context, values[0]) == kJSTypeNumber);
 186     JSValueRef value(CYCallAsFunction(context, Array, NULL, wat ? 0 : length, values));
 187     JSObjectRef object(CYCastJSObject(context, value));
 188     if (wat) CYArrayPush(context, object, 1, values);
 189     return object;
 190 }
 191
 192 static JSClassRef All_;
 193 JSClassRef cy::Functor::Class_;
 194 static JSClassRef Global_;
 195
 196 JSStringRef Array_s;
 197 JSStringRef constructor_s;
 198 JSStringRef cy_s;
 199 JSStringRef cyi_s;
 200 JSStringRef cyt_s;
 201 JSStringRef length_s;
 202 JSStringRef message_s;
 203 JSStringRef name_s;
 204 JSStringRef pop_s;
 205 JSStringRef prototype_s;
 206 JSStringRef push_s;
 207 JSStringRef splice_s;
 208 JSStringRef toCYON_s;
 209 JSStringRef toJSON_s;
 210 JSStringRef toPointer_s;
 211 JSStringRef toString_s;
 212 JSStringRef weak_s;
 213
 214 static sqlite3 *database_;
 215
 216 static JSStringRef Result_;
 217
 218 void CYFinalize(JSObjectRef object) {
 219     CYData *internal(reinterpret_cast<CYData *>(JSObjectGetPrivate(object)));
 220     if (internal == NULL)
 221         return;
 222     _assert(internal->count_ != _not(unsigned));
 223     if (--internal->count_ == 0)
 224         delete internal;
 225 }
 226
 227 sig::Type *Structor_(CYPool &pool, sig::Aggregate *aggregate) {
 228     //_assert(false);
 229     return aggregate;
 230 }
 231
 232 struct Context :
 233     CYRoot
 234 {
 235     JSGlobalContextRef context_;
 236
 237     Context(JSGlobalContextRef context) :
 238         context_(context)
 239     {
 240     }
 241 };
 242
 243 struct CArray :
 244     CYRoot
 245 {
 246     void *value_;
 247     CYProtect owner_;
 248     Type_privateData *type_;
 249     size_t length_;
 250
 251     CArray(void *value, size_t length, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 252         value_(value),
 253         owner_(context, owner),
 254         type_(new(*pool_) Type_privateData(type, ffi)),
 255         length_(length)
 256     {
 257     }
 258 };
 259
 260 struct CString :
 261     CYRoot
 262 {
 263     char *value_;
 264     CYProtect owner_;
 265
 266     CString(char *value, JSContextRef context, JSObjectRef owner) :
 267         value_(value),
 268         owner_(context, owner)
 269     {
 270     }
 271 };
 272
 273 struct Pointer :
 274     CYRoot
 275 {
 276     void *value_;
 277     CYProtect owner_;
 278     Type_privateData *type_;
 279
 280     Pointer(void *value, const sig::Type &type, JSContextRef context, JSObjectRef owner) :
 281         value_(value),
 282         owner_(context, owner),
 283         type_(new(*pool_) Type_privateData(type))
 284     {
 285     }
 286
 287     Pointer(void *value, const char *encoding, JSContextRef context, JSObjectRef owner) :
 288         value_(value),
 289         owner_(context, owner),
 290         type_(new(*pool_) Type_privateData(encoding))
 291     {
 292     }
 293 };
 294
 295 struct Struct_privateData :
 296     CYRoot
 297 {
 298     void *value_;
 299     CYProtect owner_;
 300     Type_privateData *type_;
 301
 302     Struct_privateData(void *value, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 303         value_(value),
 304         owner_(context, owner),
 305         type_(new(*pool_) Type_privateData(type, ffi))
 306     {
 307         if (owner == NULL) {
 308             size_t size(ffi->size);
 309             void *copy(pool_->malloc<void>(size, ffi->alignment));
 310             memcpy(copy, value_, size);
 311             value_ = copy;
 312         }
 313     }
 314 };
 315
 316 static void *CYCastSymbol(const char *name) {
 317     for (CYHook *hook : GetHooks())
 318         if (hook->CastSymbol != NULL)
 319             if (void *value = (*hook->CastSymbol)(name))
 320                 return value;
 321     return dlsym(RTLD_DEFAULT, name);
 322 }
 323
 324 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
 325     return JSValueMakeBoolean(context, value);
 326 }
 327
 328 JSValueRef CYCastJSValue(JSContextRef context, double value) {
 329     return JSValueMakeNumber(context, value);
 330 }
 331
 332 #define CYCastJSValue_(Type_) \
 333     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
 334         _assert(static_cast<Type_>(static_cast<double>(value)) == value); \
 335         return JSValueMakeNumber(context, static_cast<double>(value)); \
 336     }
 337
 338 CYCastJSValue_(long double)
 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 JSValueRef Global_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 430     FILE *file(stdout);
 431     CYPool pool;
 432
 433     for (size_t i(0); i != count; ++i) {
 434         if (i != 0)
 435             fputc(' ', file);
 436         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[i])));
 437         fwrite(string.data, string.size, 1, file);
 438     }
 439
 440     fputc('\n', file);
 441     fflush(file);
 442     return CYJSUndefined(context);
 443 } CYCatch(NULL) }
 444
 445 static void (*JSSynchronousGarbageCollectForDebugging$)(JSContextRef);
 446
 447 _visible void CYGarbageCollect(JSContextRef context) {
 448     (JSSynchronousGarbageCollectForDebugging$ ?: &JSGarbageCollect)(context);
 449 }
 450
 451 static JSValueRef Cycript_compile_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 452     CYPool pool;
 453     CYUTF8String before(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 454     CYUTF8String after(CYPoolCode(pool, before));
 455     return CYCastJSValue(context, CYJSString(after));
 456 } CYCatch_(NULL, "SyntaxError") }
 457
 458 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 459     CYGarbageCollect(context);
 460     return CYJSUndefined(context);
 461 } CYCatch(NULL) }
 462
 463 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects, JSValueRef *exception) { CYTry {
 464     switch (JSType type = JSValueGetType(context, value)) {
 465         case kJSTypeUndefined:
 466             return "undefined";
 467         case kJSTypeNull:
 468             return "null";
 469         case kJSTypeBoolean:
 470             return CYCastBool(context, value) ? "true" : "false";
 471
 472         case kJSTypeNumber: {
 473             std::ostringstream str;
 474             CYNumerify(str, CYCastDouble(context, value));
 475             std::string value(str.str());
 476             return pool.strmemdup(value.c_str(), value.size());
 477         } break;
 478
 479         case kJSTypeString: {
 480             std::ostringstream str;
 481             CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, value)));
 482             CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 483             std::string value(str.str());
 484             return pool.strmemdup(value.c_str(), value.size());
 485         } break;
 486
 487         case kJSTypeObject:
 488             return CYPoolCCYON(pool, context, (JSObjectRef) value, objects);
 489         default:
 490             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 491     }
 492 } CYCatch(NULL) }
 493
 494 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects) {
 495     return _jsccall(CYPoolCCYON, pool, context, value, objects);
 496 }
 497
 498 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> *objects) {
 499     if (objects != NULL)
 500         return CYPoolCCYON(pool, context, value, *objects);
 501     else {
 502         std::set<void *> objects;
 503         return CYPoolCCYON(pool, context, value, objects);
 504     }
 505 }
 506
 507 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object, std::set<void *> &objects) {
 508     JSValueRef toCYON(CYGetProperty(context, object, toCYON_s));
 509     if (CYIsCallable(context, toCYON)) {
 510         // XXX: this needs to be abstracted behind some kind of function
 511         JSValueRef arguments[1] = {CYCastJSValue(context, reinterpret_cast<uintptr_t>(&objects))};
 512         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 1, arguments));
 513         _assert(value != NULL);
 514         return CYPoolCString(pool, context, value);
 515     }
 516
 517     JSValueRef toJSON(CYGetProperty(context, object, toJSON_s));
 518     if (CYIsCallable(context, toJSON)) {
 519         JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 520         return _jsccall(CYPoolCCYON, pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), objects);
 521     }
 522
 523     if (JSObjectIsFunction(context, object)) {
 524         JSValueRef toString(CYGetProperty(context, object, toString_s));
 525         if (CYIsCallable(context, toString)) {
 526             JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 527             JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toString, object, 1, arguments));
 528             _assert(value != NULL);
 529             return CYPoolCString(pool, context, value);
 530         }
 531     }
 532
 533     _assert(objects.insert(object).second);
 534
 535     std::ostringstream str;
 536
 537     JSValueRef value(CYGetProperty(context, object, constructor_s));
 538     if (JSValueIsObject(context, value)) {
 539         JSObjectRef constructor(CYCastJSObject(context, value));
 540         JSValueRef theory(CYGetProperty(context, constructor, prototype_s));
 541         JSValueRef practice(JSObjectGetPrototype(context, object));
 542
 543         if (CYIsStrictEqual(context, theory, practice)) {
 544             JSValueRef name(CYGetProperty(context, constructor, name_s));
 545             if (!JSValueIsUndefined(context, name)) {
 546                 auto utf8(CYPoolUTF8String(pool, context, CYJSString(context, name)));
 547                 if (utf8 != "Object")
 548                     str << "new" << ' ' << utf8;
 549             }
 550         }
 551     }
 552
 553     str << '{';
 554
 555     // XXX: this is, sadly, going to leak
 556     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, object));
 557
 558     bool comma(false);
 559
 560     for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) {
 561         if (comma)
 562             str << ',';
 563         else
 564             comma = true;
 565
 566         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
 567         CYUTF8String string(CYPoolUTF8String(pool, context, name));
 568
 569         if (CYIsKey(string))
 570             str << string.data;
 571         else
 572             CYStringify(str, string.data, string.size, CYStringifyModeLegacy);
 573
 574         str << ':';
 575
 576         try {
 577             JSValueRef value(CYGetProperty(context, object, name));
 578             str << CYPoolCCYON(pool, context, value, objects);
 579         } catch (const CYException &error) {
 580             str << "@error";
 581         }
 582     }
 583
 584     JSPropertyNameArrayRelease(names);
 585
 586     str << '}';
 587
 588     std::string string(str.str());
 589     return pool.strmemdup(string.c_str(), string.size());
 590 }
 591
 592 std::set<void *> *CYCastObjects(JSContextRef context, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 593     if (count == 0)
 594         return NULL;
 595     return CYCastPointer<std::set<void *> *>(context, arguments[0]);
 596 }
 597
 598 static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 599     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
 600     // XXX: this is horribly inefficient
 601     std::set<void *> backup;
 602     if (objects == NULL)
 603         objects = &backup;
 604
 605     CYPool pool;
 606     std::ostringstream str;
 607
 608     str << '[';
 609
 610     JSValueRef length(CYGetProperty(context, _this, length_s));
 611     bool comma(false);
 612
 613     for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) {
 614         if (comma)
 615             str << ',';
 616         else
 617             comma = true;
 618
 619         try {
 620             JSValueRef value(CYGetProperty(context, _this, index));
 621             if (!JSValueIsUndefined(context, value))
 622                 str << CYPoolCCYON(pool, context, value, *objects);
 623             else {
 624                 str << ',';
 625                 comma = false;
 626             }
 627         } catch (const CYException &error) {
 628             str << "@error";
 629         }
 630     }
 631
 632     str << ']';
 633
 634     std::string value(str.str());
 635     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 636 } CYCatch(NULL) }
 637
 638 static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 639     CYPool pool;
 640     std::ostringstream str;
 641
 642     CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, _this)));
 643     CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 644
 645     std::string value(str.str());
 646     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 647 } CYCatch(NULL) }
 648
 649 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, const sig::Type &type, ffi_type *ffi, JSObjectRef owner) {
 650     return CYPrivate<Pointer>::Make(context, pointer, type, context, owner);
 651 }
 652
 653 static JSValueRef CYMakeFunctor(JSContextRef context, void (*function)(), bool variadic, const sig::Signature &signature) {
 654     if (function == NULL)
 655         return CYJSNull(context);
 656     return JSObjectMake(context, cy::Functor::Class_, new cy::Functor(function, variadic, signature));
 657 }
 658
 659 // XXX: remove this, as it is really stupid
 660 static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *encoding) {
 661     void (*function)()(reinterpret_cast<void (*)()>(CYCastSymbol(symbol)));
 662     if (function == NULL)
 663         return NULL;
 664
 665     cy::Functor *internal(new cy::Functor(function, encoding));
 666     ++internal->count_;
 667     return JSObjectMake(context, cy::Functor::Class_, internal);
 668 }
 669
 670 bool CYGetOffset(CYPool &pool, JSContextRef context, JSStringRef value, ssize_t &index) {
 671     return CYGetOffset(CYPoolCString(pool, context, value), index);
 672 }
 673
 674 void *CYCastPointer_(JSContextRef context, JSValueRef value, bool *guess) {
 675     if (value == NULL)
 676         return NULL;
 677     else switch (JSValueGetType(context, value)) {
 678         case kJSTypeNull:
 679             return NULL;
 680         case kJSTypeObject: {
 681             JSObjectRef object((JSObjectRef) value);
 682             if (JSValueIsObjectOfClass(context, value, CYPrivate<Pointer>::Class_)) {
 683                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
 684                 return internal->value_;
 685             }
 686             JSValueRef toPointer(CYGetProperty(context, object, toPointer_s));
 687             if (CYIsCallable(context, toPointer)) {
 688                 JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
 689                 _assert(value != NULL);
 690                 return CYCastPointer_(context, value, guess);
 691             }
 692         } default:
 693             if (guess != NULL)
 694                 *guess = true;
 695         case kJSTypeNumber:
 696             double number(CYCastDouble(context, value));
 697             if (!std::isnan(number))
 698                 return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
 699             if (guess == NULL)
 700                 throw CYJSError(context, "cannot convert value to pointer");
 701             else {
 702                 *guess = true;
 703                 return NULL;
 704             }
 705     }
 706 }
 707
 708 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function);
 709
 710 namespace sig {
 711
 712 // XXX: this is somehow not quite a template :/
 713
 714 template <>
 715 void Primitive<bool>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 716     *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
 717 }
 718
 719 #define CYPoolFFI_(Type_) \
 720 template <> \
 721 void Primitive<Type_>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const { \
 722     *reinterpret_cast<Type_ *>(data) = CYCastDouble(context, value); \
 723 }
 724
 725 CYPoolFFI_(wchar_t)
 726 CYPoolFFI_(float)
 727 CYPoolFFI_(double)
 728 CYPoolFFI_(long double)
 729
 730 CYPoolFFI_(signed char)
 731 CYPoolFFI_(signed int)
 732 CYPoolFFI_(signed long int)
 733 CYPoolFFI_(signed long long int)
 734 CYPoolFFI_(signed short int)
 735
 736 CYPoolFFI_(unsigned char)
 737 CYPoolFFI_(unsigned int)
 738 CYPoolFFI_(unsigned long int)
 739 CYPoolFFI_(unsigned long long int)
 740 CYPoolFFI_(unsigned short int)
 741
 742 #ifdef __SIZEOF_INT128__
 743 CYPoolFFI_(signed __int128)
 744 CYPoolFFI_(unsigned __int128)
 745 #endif
 746
 747 template <>
 748 void Primitive<char>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 749     if (JSValueGetType(context, value) != kJSTypeString)
 750         *reinterpret_cast<char *>(data) = CYCastDouble(context, value);
 751     else {
 752         CYJSString script(context, value);
 753         auto string(CYCastUTF16String(script));
 754         _assert(string.size == 1);
 755         _assert((string.data[0] & 0xff) == string.data[0]);
 756         *reinterpret_cast<char *>(data) = string.data[0];
 757     }
 758 }
 759
 760 void Void::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 761     _assert(JSValueIsUndefined(context, value));
 762 }
 763
 764 void Unknown::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 765     _assert(false);
 766 }
 767
 768 void String::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 769     bool guess(false);
 770     *reinterpret_cast<const char **>(data) = CYCastPointer<const char *>(context, value, &guess);
 771     if (guess && pool != NULL)
 772         *reinterpret_cast<const char **>(data) = CYPoolCString(*pool, context, value);
 773 }
 774
 775 void Bits::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 776     _assert(false);
 777 }
 778
 779 static void CYArrayCopy(CYPool *pool, JSContextRef context, uint8_t *base, size_t length, const sig::Type &type, ffi_type *ffi, JSObjectRef object) {
 780     for (size_t index(0); index != length; ++index) {
 781         JSValueRef rhs(CYGetProperty(context, object, index));
 782         if (JSValueIsUndefined(context, rhs))
 783             throw CYJSError(context, "unable to extract array value");
 784         type.PoolFFI(pool, context, ffi, base, rhs);
 785         base += ffi->size;
 786     }
 787 }
 788
 789 void Pointer::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 790     bool guess(false);
 791     *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value, &guess);
 792     if (!guess || pool == NULL || !JSValueIsObject(context, value))
 793         return;
 794
 795     JSObjectRef object(CYCastJSObject(context, value));
 796
 797     if (sig::Function *function = dynamic_cast<sig::Function *>(&type)) {
 798         _assert(!function->variadic);
 799         auto internal(CYMakeFunctor_(context, object, function->signature, &FunctionAdapter_));
 800         // XXX: see notes in Library.cpp about needing to leak
 801         *reinterpret_cast<void (**)()>(data) = internal->value_;
 802     } else if (CYHasProperty(context, object, length_s)) {
 803         size_t length(CYArrayLength(context, object));
 804         ffi_type *element(type.GetFFI(*pool));
 805         size_t size(element->size * length);
 806         uint8_t *base(pool->malloc<uint8_t>(size, element->alignment));
 807         CYArrayCopy(pool, context, base, length, type, element, object);
 808         *reinterpret_cast<void **>(data) = base;
 809     }
 810 }
 811
 812 void Array::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 813     if (size == 0)
 814         return;
 815     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 816     CYArrayCopy(pool, context, base, size, type, ffi->elements[0], CYCastJSObject(context, value));
 817 }
 818
 819 void Enum::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 820     return type.PoolFFI(pool, context, ffi, data, value);
 821 }
 822
 823 void Aggregate::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 824     _assert(!overlap);
 825     _assert(signature.count != _not(size_t));
 826
 827     size_t offset(0);
 828     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 829     JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
 830     for (size_t index(0); index != signature.count; ++index) {
 831         sig::Element *element(&signature.elements[index]);
 832         ffi_type *field(ffi->elements[index]);
 833
 834         JSValueRef rhs;
 835         if (aggregate == NULL)
 836             rhs = value;
 837         else {
 838             rhs = CYGetProperty(context, aggregate, index);
 839             if (JSValueIsUndefined(context, rhs)) {
 840                 if (element->name != NULL)
 841                     rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
 842                 else
 843                     goto undefined;
 844                 if (JSValueIsUndefined(context, rhs)) undefined:
 845                     throw CYJSError(context, "unable to extract structure value");
 846             }
 847         }
 848
 849         element->type->PoolFFI(pool, context, field, base + offset, rhs);
 850         offset += field->size;
 851         CYAlign(offset, field->alignment);
 852     }
 853 }
 854
 855 void Function::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 856     _assert(false);
 857 }
 858
 859 #define CYFromFFI_(Type_) \
 860 template <> \
 861 JSValueRef Primitive<Type_>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const { \
 862     JSValueRef value(CYCastJSValue(context, *reinterpret_cast<Type_ *>(data))); \
 863     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("Number")), 1, &value)); \
 864     CYSetProperty(context, typed, cyt_s, CYMakeType(context, *this), kJSPropertyAttributeDontEnum); \
 865     return typed; \
 866 }
 867
 868 CYFromFFI_(wchar_t)
 869 CYFromFFI_(float)
 870 CYFromFFI_(double)
 871 CYFromFFI_(long double)
 872
 873 CYFromFFI_(signed char)
 874 CYFromFFI_(signed int)
 875 CYFromFFI_(signed long int)
 876 CYFromFFI_(signed long long int)
 877 CYFromFFI_(signed short int)
 878
 879 CYFromFFI_(unsigned char)
 880 CYFromFFI_(unsigned int)
 881 CYFromFFI_(unsigned long int)
 882 CYFromFFI_(unsigned long long int)
 883 CYFromFFI_(unsigned short int)
 884
 885 #ifdef __SIZEOF_INT128__
 886 CYFromFFI_(signed __int128)
 887 CYFromFFI_(unsigned __int128)
 888 #endif
 889
 890 template <>
 891 JSValueRef Primitive<bool>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 892     return CYCastJSValue(context, *reinterpret_cast<bool *>(data));
 893 }
 894
 895 template <>
 896 JSValueRef Primitive<char>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 897     uint16_t string(uint8_t(*reinterpret_cast<char *>(data)));
 898     JSValueRef value(CYCastJSValue(context, CYJSString(CYUTF16String(&string, 1))));
 899     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("String")), 1, &value));
 900     CYSetProperty(context, typed, cyt_s, CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
 901     CYSetPrototype(context, typed, CYGetCachedValue(context, CYJSString("Character_prototype")));
 902     return typed;
 903 }
 904
 905 JSValueRef Void::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 906     return CYJSUndefined(context);
 907 }
 908
 909 JSValueRef Unknown::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 910     _assert(false);
 911 }
 912
 913 JSValueRef String::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 914     if (char *value = *reinterpret_cast<char **>(data))
 915         return CYPrivate<CString>::Make(context, value, context, owner);
 916     return CYJSNull(context);
 917 }
 918
 919 JSValueRef Bits::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 920     _assert(false);
 921 }
 922
 923 JSValueRef Pointer::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 924     if (void *value = *reinterpret_cast<void **>(data))
 925         return CYMakePointer(context, value, type, NULL, owner);
 926     return CYJSNull(context);
 927 }
 928
 929 JSValueRef Array::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 930     return CYPrivate<CArray>::Make(context, data, size, type, ffi->elements[0], context, owner);
 931 }
 932
 933 JSValueRef Enum::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 934     return type.FromFFI(context, ffi, data, initialize, owner);
 935 }
 936
 937 JSValueRef Aggregate::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 938     _assert(!overlap);
 939     _assert(signature.count != _not(size_t));
 940     return CYPrivate<Struct_privateData>::Make(context, data, *this, ffi, context, owner);
 941 }
 942
 943 JSValueRef Function::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 944     return CYMakeFunctor(context, reinterpret_cast<void (*)()>(data), variadic, signature);
 945 }
 946
 947 }
 948
 949 void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg) {
 950     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
 951
 952     JSContextRef context(internal->function_);
 953
 954     size_t count(internal->cif_.nargs);
 955     JSValueRef values[count];
 956
 957     for (size_t index(0); index != count; ++index)
 958         values[index] = internal->signature_.elements[1 + index].type->FromFFI(context, internal->cif_.arg_types[index], arguments[index]);
 959
 960     JSValueRef value(internal->adapter_(context, count, values, internal->function_));
 961     internal->signature_.elements[0].type->PoolFFI(NULL, context, internal->cif_.rtype, result, value);
 962 }
 963
 964 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
 965     return CYCallAsFunction(context, function, NULL, count, values);
 966 }
 967
 968 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 969 static void CYFreeFunctor(void *data) {
 970     ffi_closure_free(data);
 971 }
 972 #else
 973 static void CYFreeFunctor(void *data) {
 974     _syscall(munmap(data, sizeof(ffi_closure)));
 975 }
 976 #endif
 977
 978 Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const sig::Signature &signature, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) {
 979     // XXX: in case of exceptions this will leak
 980     Closure_privateData *internal(new Closure_privateData(context, function, adapter, signature));
 981
 982 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 983     void *executable;
 984     ffi_closure *writable(reinterpret_cast<ffi_closure *>(ffi_closure_alloc(sizeof(ffi_closure), &executable)));
 985
 986     ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, &CYExecuteClosure, internal, executable));
 987     _assert(status == FFI_OK);
 988
 989     internal->pool_->atexit(&CYFreeFunctor, writable);
 990     internal->value_ = reinterpret_cast<void (*)()>(executable);
 991 #else
 992     ffi_closure *closure((ffi_closure *) _syscall(mmap(
 993         NULL, sizeof(ffi_closure),
 994         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
 995         -1, 0
 996     )));
 997
 998     ffi_status status(ffi_prep_closure(closure, &internal->cif_, &CYExecuteClosure, internal));
 999     _assert(status == FFI_OK);
1000
1001     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
1002
1003     internal->pool_->atexit(&CYFreeFunctor, closure);
1004     internal->value_ = reinterpret_cast<void (*)()>(closure);
1005 #endif
1006
1007     return internal;
1008 }
1009
1010 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const sig::Signature &signature) {
1011     Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &FunctionAdapter_));
1012     JSObjectRef object(JSObjectMake(context, cy::Functor::Class_, internal));
1013     // XXX: see above notes about needing to leak
1014     JSValueProtect(CYGetJSContext(context), object);
1015     return object;
1016 }
1017
1018 JSValueRef CYGetCachedValue(JSContextRef context, JSStringRef name) {
1019     return CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name);
1020 }
1021
1022 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) {
1023     return CYCastJSObject(context, CYGetCachedValue(context, name));
1024 }
1025
1026 static JSValueRef CYMakeFunctor(JSContextRef context, JSValueRef value, bool variadic, const sig::Signature &signature) {
1027     JSObjectRef Function(CYGetCachedObject(context, CYJSString("Function")));
1028
1029     bool function(_jsccall(JSValueIsInstanceOfConstructor, context, value, Function));
1030     if (function) {
1031         JSObjectRef function(CYCastJSObject(context, value));
1032         return CYMakeFunctor(context, function, signature);
1033     } else {
1034         void (*function)()(CYCastPointer<void (*)()>(context, value));
1035         return CYMakeFunctor(context, function, variadic, signature);
1036     }
1037 }
1038
1039 static JSValueRef CString_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1040     CYPool pool;
1041     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1042
1043     ssize_t offset;
1044     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1045         offset = 0;
1046     else if (!CYGetOffset(pool, context, property, offset))
1047         return NULL;
1048
1049     sig::Primitive<char> type;
1050     return type.FromFFI(context, type.GetFFI(pool), internal->value_ + offset, false, NULL);
1051 } CYCatch(NULL) }
1052
1053 static bool CString_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1054     CYPool pool;
1055     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1056
1057     ssize_t offset;
1058     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1059         offset = 0;
1060     else if (!CYGetOffset(pool, context, property, offset))
1061         return false;
1062
1063     sig::Primitive<char> type;
1064     type.PoolFFI(NULL, context, type.GetFFI(pool), internal->value_ + offset, value);
1065     return true;
1066 } CYCatch(false) }
1067
1068 static bool Index_(CYPool &pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
1069     Type_privateData *typical(internal->type_);
1070     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1071     if (type == NULL)
1072         return false;
1073
1074     const char *name(CYPoolCString(pool, context, property));
1075     size_t length(strlen(name));
1076     double number(CYCastDouble(name, length));
1077
1078     size_t count(type->signature.count);
1079
1080     if (std::isnan(number)) {
1081         if (property == NULL)
1082             return false;
1083
1084         sig::Element *elements(type->signature.elements);
1085
1086         for (size_t local(0); local != count; ++local) {
1087             sig::Element *element(&elements[local]);
1088             if (element->name != NULL && strcmp(name, element->name) == 0) {
1089                 index = local;
1090                 goto base;
1091             }
1092         }
1093
1094         return false;
1095     } else {
1096         index = static_cast<ssize_t>(number);
1097         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
1098             return false;
1099     }
1100
1101   base:
1102     ffi_type **elements(typical->GetFFI()->elements);
1103
1104     size_t offset(0);
1105     for (ssize_t local(0); local != index; ++local) {
1106         offset += elements[local]->size;
1107         CYAlign(offset, elements[local + 1]->alignment);
1108     }
1109
1110     base = reinterpret_cast<uint8_t *>(internal->value_) + offset;
1111     return true;
1112 }
1113
1114 static void *Offset_(CYPool &pool, JSContextRef context, JSStringRef property, void *data, ffi_type *ffi) {
1115     ssize_t offset;
1116     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1117         offset = 0;
1118     else if (!CYGetOffset(pool, context, property, offset))
1119         return NULL;
1120     return reinterpret_cast<uint8_t *>(data) + ffi->size * offset;
1121 }
1122
1123 static JSValueRef Offset_getProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSObjectRef owner) {
1124     ffi_type *ffi(typical->GetFFI());
1125     void *base(Offset_(pool, context, property, data, ffi));
1126     if (base == NULL)
1127         return NULL;
1128     return typical->type_->FromFFI(context, ffi, base, false, owner);
1129 }
1130
1131 static bool Offset_setProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSValueRef value) {
1132     ffi_type *ffi(typical->GetFFI());
1133     void *base(Offset_(pool, context, property, data, ffi));
1134     if (base == NULL)
1135         return false;
1136
1137     typical->type_->PoolFFI(NULL, context, ffi, base, value);
1138     return true;
1139 }
1140
1141 static JSValueRef CArray_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1142     CYPool pool;
1143     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1144     if (JSStringIsEqual(property, length_s))
1145         return CYCastJSValue(context, internal->length_);
1146     Type_privateData *typical(internal->type_);
1147     JSObjectRef owner(internal->owner_ ?: object);
1148     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1149 } CYCatch(NULL) }
1150
1151 static bool CArray_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1152     CYPool pool;
1153     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1154     Type_privateData *typical(internal->type_);
1155     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1156 } CYCatch(false) }
1157
1158 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1159     CYPool pool;
1160     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1161
1162     Type_privateData *typical(internal->type_);
1163
1164     if (sig::Function *function = dynamic_cast<sig::Function *>(typical->type_)) {
1165         if (!JSStringIsEqualToUTF8CString(property, "$cyi"))
1166             return NULL;
1167         return CYMakeFunctor(context, reinterpret_cast<void (*)()>(internal->value_), function->variadic, function->signature);
1168     }
1169
1170     JSObjectRef owner(internal->owner_ ?: object);
1171     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1172 } CYCatch(NULL) }
1173
1174 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1175     CYPool pool;
1176     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1177     Type_privateData *typical(internal->type_);
1178     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1179 } CYCatch(false) }
1180
1181 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1182     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
1183     Type_privateData *typical(internal->type_);
1184     return CYMakePointer(context, internal->value_, *typical->type_, typical->ffi_, _this);
1185 } CYCatch(NULL) }
1186
1187 static JSValueRef Struct_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1188     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1189     return CYMakeType(context, *internal->type_->type_);
1190 } CYCatch(NULL) }
1191
1192 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1193     CYPool pool;
1194     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1195     Type_privateData *typical(internal->type_);
1196     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1197
1198     ssize_t index;
1199     uint8_t *base;
1200
1201     if (!Index_(pool, context, internal, property, index, base))
1202         return NULL;
1203
1204     JSObjectRef owner(internal->owner_ ?: object);
1205
1206     return type->signature.elements[index].type->FromFFI(context, typical->GetFFI()->elements[index], base, false, owner);
1207 } CYCatch(NULL) }
1208
1209 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1210     CYPool pool;
1211     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1212     Type_privateData *typical(internal->type_);
1213     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1214
1215     ssize_t index;
1216     uint8_t *base;
1217
1218     if (!Index_(pool, context, internal, property, index, base))
1219         return false;
1220
1221     type->signature.elements[index].type->PoolFFI(NULL, context, typical->GetFFI()->elements[index], base, value);
1222     return true;
1223 } CYCatch(false) }
1224
1225 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1226     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1227     Type_privateData *typical(internal->type_);
1228     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1229
1230     if (type == NULL)
1231         return;
1232
1233     size_t count(type->signature.count);
1234     sig::Element *elements(type->signature.elements);
1235
1236     char number[32];
1237
1238     for (size_t index(0); index != count; ++index) {
1239         const char *name;
1240         name = elements[index].name;
1241
1242         if (name == NULL) {
1243             sprintf(number, "%zu", index);
1244             name = number;
1245         }
1246
1247         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1248     }
1249 }
1250
1251 static sig::Void Void_;
1252 static sig::Pointer PointerToVoid_(Void_);
1253
1254 static sig::Type *CYGetType(CYPool &pool, JSContextRef context, JSValueRef value) {
1255     if (JSValueIsNull(context, value))
1256         return &PointerToVoid_;
1257     JSObjectRef object(CYCastJSObject(context, value));
1258     JSObjectRef type(CYCastJSObject(context, CYGetProperty(context, object, cyt_s)));
1259     _assert(JSValueIsObjectOfClass(context, type, CYPrivate<Type_privateData>::Class_));
1260     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(type)));
1261     return internal->type_;
1262 }
1263
1264 void CYCallFunction(CYPool &pool, JSContextRef context, ffi_cif *cif, void (*function)(), void *value, void **values) {
1265     ffi_call(cif, function, value, values);
1266 }
1267
1268 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)()) {
1269     size_t have(setups + count);
1270     size_t need(signature.count - 1);
1271
1272     if (have < need)
1273         throw CYJSError(context, "insufficient number of arguments to ffi function");
1274
1275     ffi_cif corrected;
1276     sig::Element *elements(signature.elements);
1277
1278     if (have > need) {
1279         if (!variadic)
1280             throw CYJSError(context, "exorbitant number of arguments to ffi function");
1281
1282         elements = new (pool) sig::Element[have + 1];
1283         memcpy(elements, signature.elements, sizeof(sig::Element) * (need + 1));
1284
1285         for (size_t index(need); index != have; ++index) {
1286             sig::Element &element(elements[index + 1]);
1287             element.name = NULL;
1288             element.offset = _not(size_t);
1289             element.type = CYGetType(pool, context, arguments[index - setups]);
1290         }
1291
1292         sig::Signature extended;
1293         extended.elements = elements;
1294         extended.count = have + 1;
1295         sig::sig_ffi_cif(pool, signature.count, extended, &corrected);
1296         cif = &corrected;
1297     }
1298
1299     void *values[have];
1300     memcpy(values, setup, sizeof(void *) * setups);
1301
1302     for (size_t index(setups); index != have; ++index) {
1303         sig::Element &element(elements[index + 1]);
1304         ffi_type *ffi(cif->arg_types[index]);
1305         values[index] = pool.malloc<uint8_t>(ffi->size, ffi->alignment);
1306         element.type->PoolFFI(&pool, context, ffi, values[index], arguments[index - setups]);
1307     }
1308
1309     CYBuffer buffer(context);
1310     uint8_t *value(buffer->malloc<uint8_t>(std::max<size_t>(cif->rtype->size, sizeof(ffi_arg)), std::max<size_t>(cif->rtype->alignment, alignof(ffi_arg))));
1311
1312     void (*call)(CYPool &, JSContextRef, ffi_cif *, void (*)(), void *, void **) = &CYCallFunction;
1313     // XXX: this only supports one hook, but it is a bad idea anyway
1314     for (CYHook *hook : GetHooks())
1315         if (hook->CallFunction != NULL)
1316             call = hook->CallFunction;
1317
1318     call(pool, context, cif, function, value, values);
1319     return signature.elements[0].type->FromFFI(context, cif->rtype, value, initialize, buffer);
1320 }
1321
1322 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1323     CYPool pool;
1324     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1325     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, internal->variadic_, internal->signature_, &internal->cif_, internal->value_);
1326 } CYCatch(NULL) }
1327
1328 static JSValueRef Pointer_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1329     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1330     if (dynamic_cast<sig::Function *>(internal->type_->type_) == NULL)
1331         throw CYJSError(context, "cannot call a pointer to non-function");
1332     JSObjectRef functor(CYCastJSObject(context, CYGetProperty(context, object, cyi_s)));
1333     return CYCallAsFunction(context, functor, _this, count, arguments);
1334 } CYCatch(NULL) }
1335
1336 JSObjectRef CYMakeType(JSContextRef context, const sig::Type &type) {
1337     return CYPrivate<Type_privateData>::Make(context, type);
1338 }
1339
1340 extern "C" bool CYBridgeHash(CYPool &pool, CYUTF8String name, const char *&code, unsigned &flags) {
1341     sqlite3_stmt *statement;
1342
1343     _sqlcall(sqlite3_prepare(database_,
1344         "select "
1345             "\"cache\".\"code\", "
1346             "\"cache\".\"flags\" "
1347         "from \"cache\" "
1348         "where"
1349             " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM " and"
1350             " \"cache\".\"name\" = ?"
1351         " limit 1"
1352     , -1, &statement, NULL));
1353
1354     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
1355
1356     bool success;
1357     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE)
1358         success = false;
1359     else {
1360         success = true;
1361         code = sqlite3_column_pooled(pool, statement, 0);
1362         flags = sqlite3_column_int(statement, 1);
1363     }
1364
1365     _sqlcall(sqlite3_finalize(statement));
1366     return success;
1367 }
1368
1369 static bool All_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1370     if (JSStringIsEqualToUTF8CString(property, "errno"))
1371         return true;
1372
1373     JSObjectRef global(CYGetGlobalObject(context));
1374     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1375     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1376
1377     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1378         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1379             if (CYHasProperty(context, space, property))
1380                 return true;
1381
1382     CYPool pool;
1383     const char *code;
1384     unsigned flags;
1385     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags))
1386         return true;
1387
1388     return false;
1389 }
1390
1391 static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1392     if (JSStringIsEqualToUTF8CString(property, "errno"))
1393         return CYCastJSValue(context, errno);
1394
1395     JSObjectRef global(CYGetGlobalObject(context));
1396     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1397     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1398
1399     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1400         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1401             if (JSValueRef value = CYGetProperty(context, space, property))
1402                 if (!JSValueIsUndefined(context, value))
1403                     return value;
1404
1405     CYPool pool;
1406     const char *code;
1407     unsigned flags;
1408     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags)) {
1409         CYUTF8String parsed;
1410
1411         try {
1412             parsed = CYPoolCode(pool, code);
1413         } catch (const CYException &error) {
1414             CYThrow("%s", pool.strcat("error caching ", CYPoolCString(pool, context, property), ": ", error.PoolCString(pool), NULL));
1415         }
1416
1417         JSObjectRef cache(CYGetCachedObject(context, CYJSString("cache")));
1418
1419         JSObjectRef stub;
1420         if (flags == CYBridgeType) {
1421             stub = CYMakeType(context, sig::Void());
1422             CYSetProperty(context, cache, property, stub);
1423         } else
1424             stub = NULL;
1425
1426         JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(parsed), NULL, NULL, 0));
1427
1428         switch (flags) {
1429             case CYBridgeVoid: {
1430             } break;
1431
1432             case CYBridgeHold: {
1433                 CYSetProperty(context, cache, property, value);
1434             } break;
1435
1436             case CYBridgeType: {
1437                 JSObjectRef swap(CYCastJSObject(context, value));
1438                 void *source(JSObjectGetPrivate(swap));
1439                 _assert(source != NULL);
1440                 void *target(JSObjectGetPrivate(stub));
1441                 _assert(JSObjectSetPrivate(swap, target));
1442                 _assert(JSObjectSetPrivate(stub, source));
1443                 value = stub;
1444             } break;
1445         }
1446
1447         return value;
1448     }
1449
1450     return NULL;
1451 } CYCatch(NULL) }
1452
1453 static JSValueRef All_complete_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1454     _assert(count == 1 || count == 2);
1455     CYPool pool;
1456     CYUTF8String prefix(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
1457
1458     JSObjectRef array(NULL);
1459
1460     {
1461     CYArrayBuilder<1024> values(context, array);
1462
1463     sqlite3_stmt *statement;
1464
1465     if (prefix.size == 0)
1466         _sqlcall(sqlite3_prepare(database_,
1467             "select "
1468                 "\"cache\".\"name\" "
1469             "from \"cache\" "
1470             "where"
1471                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1472         , -1, &statement, NULL));
1473     else {
1474         _sqlcall(sqlite3_prepare(database_,
1475             "select "
1476                 "\"cache\".\"name\" "
1477             "from \"cache\" "
1478             "where"
1479                 " \"cache\".\"name\" >= ? and \"cache\".\"name\" < ? and "
1480                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1481         , -1, &statement, NULL));
1482
1483         _sqlcall(sqlite3_bind_text(statement, 1, prefix.data, prefix.size, SQLITE_STATIC));
1484
1485         char *after(pool.strndup(prefix.data, prefix.size));
1486         ++after[prefix.size - 1];
1487         _sqlcall(sqlite3_bind_text(statement, 2, after, prefix.size, SQLITE_STATIC));
1488     }
1489
1490     while (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE)
1491         values(CYCastJSValue(context, CYJSString(sqlite3_column_string(statement, 0))));
1492
1493     _sqlcall(sqlite3_finalize(statement));
1494     }
1495
1496     return array;
1497 } CYCatch(NULL) }
1498
1499 static void All_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1500     JSObjectRef global(CYGetGlobalObject(context));
1501     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1502     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1503
1504     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1505         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) {
1506             JSPropertyNameArrayRef subset(JSObjectCopyPropertyNames(context, space));
1507             for (size_t index(0), count(JSPropertyNameArrayGetCount(subset)); index != count; ++index)
1508                 JSPropertyNameAccumulatorAddName(names, JSPropertyNameArrayGetNameAtIndex(subset, index));
1509             JSPropertyNameArrayRelease(subset);
1510         }
1511 }
1512
1513 static JSObjectRef CArray_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1514     _assert(false);
1515 } CYCatchObject() }
1516
1517 static JSObjectRef CString_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1518     _assert(false);
1519 } CYCatchObject() }
1520
1521 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1522     _assert(false);
1523 } CYCatchObject() }
1524
1525 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1526     CYPool pool;
1527
1528     if (false) {
1529     } else if (count == 1) {
1530         switch (JSValueGetType(context, arguments[0])) {
1531             case kJSTypeString: {
1532                 const char *encoding(CYPoolCString(pool, context, arguments[0]));
1533                 sig::Signature signature;
1534                 sig::Parse(pool, &signature, encoding, &Structor_);
1535                 return CYMakeType(context, *signature.elements[0].type);
1536             } break;
1537
1538             case kJSTypeObject: {
1539                 // XXX: accept a set of enum constants and /guess/ at their size
1540                 _assert(false);
1541             } break;
1542
1543             default:
1544                 throw CYJSError(context, "incorrect kind of argument to new Type");
1545         }
1546     } else if (count == 2) {
1547         JSObjectRef types(CYCastJSObject(context, arguments[0]));
1548         size_t count(CYArrayLength(context, types));
1549
1550         JSObjectRef names(CYCastJSObject(context, arguments[1]));
1551
1552         sig::Aggregate type(false);
1553         type.signature.elements = new(pool) sig::Element[count];
1554         type.signature.count = count;
1555
1556         for (size_t i(0); i != count; ++i) {
1557             sig::Element &element(type.signature.elements[i]);
1558             element.offset = _not(size_t);
1559
1560             JSValueRef name(CYArrayGet(context, names, i));
1561             if (JSValueIsUndefined(context, name))
1562                 element.name = NULL;
1563             else
1564                 element.name = CYPoolCString(pool, context, name);
1565
1566             JSObjectRef object(CYCastJSObject(context, CYArrayGet(context, types, i)));
1567             _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1568             Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1569             element.type = internal->type_;
1570             _assert(element.type != NULL);
1571         }
1572
1573         return CYMakeType(context, type);
1574     } else {
1575         throw CYJSError(context, "incorrect number of arguments to Type constructor");
1576     }
1577 } CYCatchObject() }
1578
1579 static JSValueRef Type_callAsFunction_$With(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], sig::Callable &type, JSValueRef *exception) { CYTry {
1580     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1581
1582     CYPool pool;
1583
1584     type.signature.elements = new(pool) sig::Element[1 + count];
1585     type.signature.count = 1 + count;
1586
1587     type.signature.elements[0].name = NULL;
1588     type.signature.elements[0].type = internal->type_;
1589     type.signature.elements[0].offset = _not(size_t);
1590
1591     for (size_t i(0); i != count; ++i) {
1592         sig::Element &element(type.signature.elements[i + 1]);
1593         element.name = NULL;
1594         element.offset = _not(size_t);
1595
1596         JSObjectRef object(CYCastJSObject(context, arguments[i]));
1597         _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1598         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1599
1600         element.type = internal->type_;
1601     }
1602
1603     return CYMakeType(context, type);
1604 } CYCatch(NULL) }
1605
1606 static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1607     if (count != 1)
1608         throw CYJSError(context, "incorrect number of arguments to Type.arrayOf");
1609     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1610
1611     CYPool pool;
1612     size_t index(CYGetIndex(pool, context, CYJSString(context, arguments[0])));
1613     if (index == _not(size_t))
1614         throw CYJSError(context, "invalid array size used with Type.arrayOf");
1615
1616     sig::Array type(*internal->type_, index);
1617     return CYMakeType(context, type);
1618 } CYCatch(NULL) }
1619
1620 static JSValueRef Type_callAsFunction_blockWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1621 #ifdef CY_OBJECTIVEC
1622     sig::Block type;
1623     return Type_callAsFunction_$With(context, object, _this, count, arguments, type, exception);
1624 #else
1625     _assert(false);
1626 #endif
1627 }
1628
1629 static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1630     if (count != 0)
1631         throw CYJSError(context, "incorrect number of arguments to Type.constant");
1632     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1633
1634     CYPool pool;
1635     sig::Type *type(internal->type_->Copy(pool));
1636     type->flags |= JOC_TYPE_CONST;
1637     return CYMakeType(context, *type);
1638 } CYCatch(NULL) }
1639
1640 static JSValueRef Type_callAsFunction_enumFor(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1641     if (count != 1)
1642         throw CYJSError(context, "incorrect number of arguments to Type.enumFor");
1643     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1644
1645     CYPool pool;
1646
1647     JSObjectRef constants(CYCastJSObject(context, arguments[0]));
1648
1649     // XXX: this is, sadly, going to leak
1650     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, constants));
1651
1652     size_t count(JSPropertyNameArrayGetCount(names));
1653
1654     sig::Enum type(*internal->type_, count);
1655     type.constants = new(pool) sig::Constant[count];
1656
1657     for (size_t index(0); index != count; ++index) {
1658         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
1659         JSValueRef value(CYGetProperty(context, constants, name));
1660         _assert(JSValueGetType(context, value) == kJSTypeNumber);
1661         CYUTF8String string(CYPoolUTF8String(pool, context, name));
1662         type.constants[index].name = string.data;
1663         type.constants[index].value = CYCastDouble(context, value);
1664     }
1665
1666     JSPropertyNameArrayRelease(names);
1667
1668     return CYMakeType(context, type);
1669 } CYCatch(NULL) }
1670
1671 static JSValueRef Type_callAsFunction_functionWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1672     bool variadic(count != 0 && JSValueIsNull(context, arguments[count - 1]));
1673     sig::Function type(variadic);
1674     return Type_callAsFunction_$With(context, object, _this, variadic ? count - 1 : count, arguments, type, exception);
1675 }
1676
1677 static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1678     if (count != 0)
1679         throw CYJSError(context, "incorrect number of arguments to Type.pointerTo");
1680     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1681
1682     if (dynamic_cast<sig::Primitive<char> *>(internal->type_) != NULL)
1683         return CYMakeType(context, sig::String((internal->type_->flags & JOC_TYPE_CONST) != 0));
1684     else
1685         return CYMakeType(context, sig::Pointer(*internal->type_));
1686 } CYCatch(NULL) }
1687
1688 static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1689     if (count != 1)
1690         throw CYJSError(context, "incorrect number of arguments to Type.withName");
1691     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1692
1693     CYPool pool;
1694     return CYMakeType(context, *internal->type_->Copy(pool, CYPoolCString(pool, context, arguments[0])));
1695 } CYCatch(NULL) }
1696
1697 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1698     if (count != 1)
1699         throw CYJSError(context, "incorrect number of arguments to type cast function");
1700     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1701
1702     if (sig::Function *function = dynamic_cast<sig::Function *>(internal->type_))
1703         return CYMakeFunctor(context, arguments[0], function->variadic, function->signature);
1704
1705     CYBuffer buffer(context);
1706
1707     sig::Type *type(internal->type_);
1708     ffi_type *ffi(internal->GetFFI());
1709
1710     void *data;
1711     if (_this == NULL || CYIsStrictEqual(context, _this, CYGetGlobalObject(context)))
1712         data = buffer->malloc<void>(ffi->size, ffi->alignment);
1713     else {
1714         CYSetProperty(context, buffer, CYJSString("$cyo"), _this, kJSPropertyAttributeDontEnum);
1715         data = CYCastPointer<void *>(context, _this);
1716     }
1717
1718     type->PoolFFI(buffer, context, ffi, data, arguments[0]);
1719     JSValueRef value(type->FromFFI(context, ffi, data, false, buffer));
1720     return value;
1721 } CYCatch(NULL) }
1722
1723 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1724     if (count > 1)
1725         throw CYJSError(context, "incorrect number of arguments to Type allocator");
1726     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1727
1728     JSObjectRef pointer(CYMakePointer(context, NULL, *internal->type_, NULL, NULL));
1729     Pointer *value(reinterpret_cast<Pointer *>(JSObjectGetPrivate(pointer)));
1730
1731     sig::Type *type(internal->type_);
1732     ffi_type *ffi(internal->GetFFI());
1733     value->value_ = value->pool_->malloc<void>(ffi->size, ffi->alignment);
1734
1735     if (count == 0)
1736         memset(value->value_, 0, ffi->size);
1737     else
1738         type->PoolFFI(value->pool_, context, ffi, value->value_, arguments[0]);
1739
1740     return pointer;
1741 } CYCatchObject() }
1742
1743 // XXX: I don't even think the user should be allowed to do this
1744 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1745     if (count != 2)
1746         throw CYJSError(context, "incorrect number of arguments to Functor constructor");
1747     CYPool pool;
1748     const char *encoding(CYPoolCString(pool, context, arguments[1]));
1749     sig::Signature signature;
1750     sig::Parse(pool, &signature, encoding, &Structor_);
1751     // XXX: this can try to return null, and I guess then it just fails
1752     return CYCastJSObject(context, CYMakeFunctor(context, arguments[0], false, signature));
1753 } CYCatchObject() }
1754
1755 static JSValueRef CArray_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1756     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1757     JSObjectRef owner(internal->owner_ ?: object);
1758     return CYMakePointer(context, internal->value_, *internal->type_->type_, NULL, owner);
1759 } CYCatch(NULL) }
1760
1761 static JSValueRef CString_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1762     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1763     JSObjectRef owner(internal->owner_ ?: object);
1764     return CYMakePointer(context, internal->value_, sig::Primitive<char>(), NULL, owner);
1765 } CYCatch(NULL) }
1766
1767 static JSValueRef Functor_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1768     CYPool pool;
1769     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1770
1771     sig::Function type(internal->variadic_);
1772     sig::Copy(pool, type.signature, internal->signature_);
1773
1774     return CYMakePointer(context, reinterpret_cast<void *>(internal->value_), type, NULL, NULL);
1775 } CYCatch(NULL) }
1776
1777 static JSValueRef Pointer_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1778     return _this;
1779 } CYCatch(NULL) }
1780
1781 static JSValueRef CArray_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1782     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1783     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1784 } CYCatch(NULL) }
1785
1786 static JSValueRef Pointer_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1787     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1788     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1789 } CYCatch(NULL) }
1790
1791 static JSValueRef Functor_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1792     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1793     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1794 } CYCatch(NULL) }
1795
1796 static JSValueRef Functor_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1797     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1798     uint8_t *value(reinterpret_cast<uint8_t *>(internal->value_));
1799     _assert(value != NULL);
1800
1801     CYLocalPool pool;
1802
1803     sig::Function function(internal->variadic_);
1804     sig::Copy(pool, function.signature, internal->signature_);
1805
1806     CYPropertyName *name(internal->GetName(pool));
1807     auto typed(CYDecodeType(pool, &function));
1808
1809     std::ostringstream str;
1810     CYOptions options;
1811     CYOutput output(*str.rdbuf(), options);
1812     output.pretty_ = true;
1813     (new(pool) CYExternalExpression(new(pool) CYString("C"), typed, name))->Output(output, CYNoFlags);
1814     return CYCastJSValue(context, CYJSString(str.str()));
1815 } CYCatch(NULL) }
1816
1817 CYPropertyName *cy::Functor::GetName(CYPool &pool) const {
1818     Dl_info info;
1819     if (dladdr(reinterpret_cast<void *>(value_), &info) == 0 || strcmp(info.dli_sname, "<redacted>") == 0)
1820         return new(pool) CYNumber(reinterpret_cast<uintptr_t>(value_));
1821
1822     std::ostringstream str;
1823     str << info.dli_sname;
1824     off_t offset(reinterpret_cast<uint8_t *>(value_) - reinterpret_cast<uint8_t *>(info.dli_saddr));
1825     if (offset != 0)
1826         str << "+0x" << std::hex << offset;
1827     return new(pool) CYString(pool.strdup(str.str().c_str()));
1828 }
1829
1830 static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1831     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
1832
1833     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1834
1835     try {
1836         JSValueRef value(CYGetProperty(context, _this, cyi_s));
1837         if (!JSValueIsUndefined(context, value)) {
1838             CYPool pool;
1839             return CYCastJSValue(context, pool.strcat("&", CYPoolCCYON(pool, context, value, objects), NULL));
1840         }
1841     } catch (const CYException &e) {
1842         // XXX: it might be interesting to include this error
1843     }
1844
1845     CYLocalPool pool;
1846     std::ostringstream str;
1847
1848     sig::Pointer type(*internal->type_->type_);
1849
1850     CYOptions options;
1851     CYOutput output(*str.rdbuf(), options);
1852     (new(pool) CYTypeExpression(CYDecodeType(pool, &type)))->Output(output, CYNoFlags);
1853
1854     str << "(" << internal->value_ << ")";
1855     std::string value(str.str());
1856     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1857 } CYCatch(NULL) }
1858
1859 static JSValueRef CString_getProperty_length(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1860     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1861     return CYCastJSValue(context, strlen(internal->value_));
1862 } CYCatch(NULL) }
1863
1864 static JSValueRef CString_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1865     return CYMakeType(context, sig::String(true));
1866 } CYCatch(NULL) }
1867
1868 static JSValueRef CArray_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1869     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1870     sig::Array type(*internal->type_->type_, internal->length_);
1871     return CYMakeType(context, type);
1872 } CYCatch(NULL) }
1873
1874 static JSValueRef Pointer_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1875     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1876     sig::Pointer type(*internal->type_->type_);
1877     return CYMakeType(context, type);
1878 } CYCatch(NULL) }
1879
1880 static JSValueRef CString_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1881     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1882     const char *string(internal->value_);
1883     std::ostringstream str;
1884     if (string == NULL)
1885         str << "NULL";
1886     else {
1887         str << "&";
1888         CYStringify(str, string, strlen(string), CYStringifyModeNative);
1889     }
1890     std::string value(str.str());
1891     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1892 } CYCatch(NULL) }
1893
1894 static JSValueRef CString_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1895     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1896     return CYCastJSValue(context, internal->value_);
1897 } CYCatch(NULL) }
1898
1899 static JSValueRef Functor_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1900     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1901     CYPool pool;
1902     sig::Function type(internal->variadic_);
1903     sig::Copy(pool, type.signature, internal->signature_);
1904     return CYMakeType(context, type);
1905 } CYCatch(NULL) }
1906
1907 static JSValueRef Type_getProperty_alignment(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1908     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1909     return CYCastJSValue(context, internal->GetFFI()->alignment);
1910 } CYCatch(NULL) }
1911
1912 static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1913     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1914     return CYCastJSValue(context, internal->type_->GetName());
1915 } CYCatch(NULL) }
1916
1917 static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1918     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1919     return CYCastJSValue(context, internal->GetFFI()->size);
1920 } CYCatch(NULL) }
1921
1922 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1923     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1924     CYPool pool;
1925     const char *type(sig::Unparse(pool, internal->type_));
1926     return CYCastJSValue(context, CYJSString(type));
1927 } CYCatch(NULL) }
1928
1929 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1930     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1931     CYLocalPool pool;
1932     std::stringbuf out;
1933     CYOptions options;
1934     CYOutput output(out, options);
1935     output.pretty_ = true;
1936     (new(pool) CYTypeExpression(CYDecodeType(pool, internal->type_->Copy(pool, ""))))->Output(output, CYNoFlags);
1937     return CYCastJSValue(context, CYJSString(out.str().c_str()));
1938 } CYCatch(NULL) }
1939
1940 static JSStaticFunction All_staticFunctions[2] = {
1941     {"cy$complete", &All_complete_callAsFunction, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1942     {NULL, NULL, 0}
1943 };
1944
1945 static JSStaticFunction CArray_staticFunctions[3] = {
1946     {"toPointer", &CArray_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1947     {"valueOf", &CArray_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1948     {NULL, NULL, 0}
1949 };
1950
1951 static JSStaticValue CArray_staticValues[2] = {
1952     {"$cyt", &CArray_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1953     {NULL, NULL, NULL, 0}
1954 };
1955
1956 static JSStaticFunction CString_staticFunctions[5] = {
1957     {"toCYON", &CString_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1958     {"toPointer", &CString_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1959     {"toString", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1960     {"valueOf", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1961     {NULL, NULL, 0}
1962 };
1963
1964 static JSStaticValue CString_staticValues[3] = {
1965     {"length", &CString_getProperty_length, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1966     {"$cyt", &CString_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1967     {NULL, NULL, NULL, 0}
1968 };
1969
1970 static JSStaticFunction Pointer_staticFunctions[4] = {
1971     {"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1972     {"toPointer", &Pointer_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1973     {"valueOf", &Pointer_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1974     {NULL, NULL, 0}
1975 };
1976
1977 static JSStaticValue Pointer_staticValues[2] = {
1978     {"$cyt", &Pointer_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1979     {NULL, NULL, NULL, 0}
1980 };
1981
1982 static JSStaticFunction Struct_staticFunctions[2] = {
1983     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1984     {NULL, NULL, 0}
1985 };
1986
1987 static JSStaticValue Struct_staticValues[2] = {
1988     {"$cyt", &Struct_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1989     {NULL, NULL, NULL, 0}
1990 };
1991
1992 static JSStaticFunction Functor_staticFunctions[4] = {
1993     {"$cya", &Functor_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1994     {"toCYON", &Functor_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1995     {"valueOf", &Functor_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1996     {NULL, NULL, 0}
1997 };
1998
1999 static JSStaticValue Functor_staticValues[2] = {
2000     {"$cyt", &Functor_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2001     {NULL, NULL, NULL, 0}
2002 };
2003
2004 static JSStaticValue Type_staticValues[4] = {
2005     {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2006     {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2007     {"size", &Type_getProperty_size, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2008     {NULL, NULL, NULL, 0}
2009 };
2010
2011 static JSStaticFunction Type_staticFunctions[10] = {
2012     {"arrayOf", &Type_callAsFunction_arrayOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2013     {"blockWith", &Type_callAsFunction_blockWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2014     {"constant", &Type_callAsFunction_constant, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2015     {"enumFor", &Type_callAsFunction_enumFor, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2016     {"functionWith", &Type_callAsFunction_functionWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2017     {"pointerTo", &Type_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2018     {"withName", &Type_callAsFunction_withName, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2019     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2020     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2021     {NULL, NULL, 0}
2022 };
2023
2024 _visible void CYSetArgs(const char *argv0, const char *script, int argc, const char *argv[]) {
2025     JSContextRef context(CYGetJSContext());
2026     JSValueRef args[argc + 2];
2027     for (int i(0); i != argc; ++i)
2028         args[i + 2] = CYCastJSValue(context, argv[i]);
2029
2030     size_t offset;
2031     if (script == NULL)
2032         offset = 1;
2033     else {
2034         offset = 0;
2035         args[1] = CYCastJSValue(context, CYJSString(script));
2036     }
2037
2038     args[offset] = CYCastJSValue(context, CYJSString(argv0));
2039
2040     CYSetProperty(context, CYGetCachedObject(context, CYJSString("System")), CYJSString("args"), CYObjectMakeArray(context, argc, args + 2));
2041     CYSetProperty(context, CYGetCachedObject(context, CYJSString("process")), CYJSString("argv"), CYObjectMakeArray(context, argc + 2 - offset, args + offset));
2042 }
2043
2044 JSObjectRef CYGetGlobalObject(JSContextRef context) {
2045     return JSContextGetGlobalObject(context);
2046 }
2047
2048 // XXX: this is neither exceptin safe nor even terribly sane
2049 class ExecutionHandle {
2050   private:
2051     JSContextRef context_;
2052     std::vector<void *> handles_;
2053
2054   public:
2055     ExecutionHandle(JSContextRef context) :
2056         context_(context)
2057     {
2058         handles_.resize(GetHooks().size());
2059         for (size_t i(0); i != GetHooks().size(); ++i) {
2060             CYHook *hook(GetHooks()[i]);
2061             if (hook->ExecuteStart != NULL)
2062                 handles_[i] = (*hook->ExecuteStart)(context_);
2063             else
2064                 handles_[i] = NULL;
2065         }
2066     }
2067
2068     ~ExecutionHandle() {
2069         for (size_t i(GetHooks().size()); i != 0; --i) {
2070             CYHook *hook(GetHooks()[i-1]);
2071             if (hook->ExecuteEnd != NULL)
2072                 (*hook->ExecuteEnd)(context_, handles_[i-1]);
2073         }
2074     }
2075 };
2076
2077 #ifndef __ANDROID__
2078 static volatile bool cancel_;
2079
2080 static bool CYShouldTerminate(JSContextRef context, void *arg) {
2081     return cancel_;
2082 }
2083 #endif
2084
2085 _visible const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) {
2086     ExecutionHandle handle(context);
2087
2088 #ifndef __ANDROID__
2089     cancel_ = false;
2090     if (&JSContextGroupSetExecutionTimeLimit != NULL)
2091         JSContextGroupSetExecutionTimeLimit(JSContextGetGroup(context), 0.5, &CYShouldTerminate, NULL);
2092 #endif
2093
2094     try {
2095         JSValueRef result(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2096         if (JSValueIsUndefined(context, result))
2097             return NULL;
2098
2099         std::set<void *> objects;
2100         const char *json(_jsccall(CYPoolCCYON, pool, context, result, objects));
2101         CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
2102
2103         return json;
2104     } catch (const CYException &error) {
2105         return pool.strcat("throw ", error.PoolCString(pool), NULL);
2106     }
2107 }
2108
2109 #ifndef __ANDROID__
2110 _visible void CYCancel() {
2111     cancel_ = true;
2112 }
2113 #endif
2114
2115 const char *CYPoolLibraryPath(CYPool &pool);
2116
2117 static bool initialized_ = false;
2118
2119 void CYInitializeDynamic() {
2120     if (!initialized_)
2121         initialized_ = true;
2122     else return;
2123
2124     CYPool pool;
2125     const char *db(pool.strcat(CYPoolLibraryPath(pool), "/libcycript.db", NULL));
2126     _sqlcall(sqlite3_open_v2(db, &database_, SQLITE_OPEN_READONLY, NULL));
2127
2128     JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
2129     JSSynchronousGarbageCollectForDebugging$ = reinterpret_cast<void (*)(JSContextRef)>(dlsym(RTLD_DEFAULT, "JSSynchronousGarbageCollectForDebugging"));
2130
2131     JSClassDefinition definition;
2132
2133     definition = kJSClassDefinitionEmpty;
2134     definition.className = "All";
2135     definition.staticFunctions = All_staticFunctions;
2136     definition.hasProperty = &All_hasProperty;
2137     definition.getProperty = &All_getProperty;
2138     definition.getPropertyNames = &All_getPropertyNames;
2139     All_ = JSClassCreate(&definition);
2140
2141     definition = kJSClassDefinitionEmpty;
2142     definition.className = "Context";
2143     definition.finalize = &CYFinalize;
2144     CYPrivate<Context>::Class_ = JSClassCreate(&definition);
2145
2146     definition = kJSClassDefinitionEmpty;
2147     definition.className = "CArray";
2148     definition.staticFunctions = CArray_staticFunctions;
2149     definition.staticValues = CArray_staticValues;
2150     definition.getProperty = &CArray_getProperty;
2151     definition.setProperty = &CArray_setProperty;
2152     definition.finalize = &CYFinalize;
2153     CYPrivate<CArray>::Class_ = JSClassCreate(&definition);
2154
2155     definition = kJSClassDefinitionEmpty;
2156     definition.className = "CString";
2157     definition.staticFunctions = CString_staticFunctions;
2158     definition.staticValues = CString_staticValues;
2159     definition.getProperty = &CString_getProperty;
2160     definition.setProperty = &CString_setProperty;
2161     definition.finalize = &CYFinalize;
2162     CYPrivate<CString>::Class_ = JSClassCreate(&definition);
2163
2164     definition = kJSClassDefinitionEmpty;
2165     definition.className = "Functor";
2166     definition.staticFunctions = Functor_staticFunctions;
2167     definition.staticValues = Functor_staticValues;
2168     definition.callAsFunction = &Functor_callAsFunction;
2169     definition.finalize = &CYFinalize;
2170     cy::Functor::Class_ = JSClassCreate(&definition);
2171
2172     definition = kJSClassDefinitionEmpty;
2173     definition.className = "Pointer";
2174     definition.staticFunctions = Pointer_staticFunctions;
2175     definition.staticValues = Pointer_staticValues;
2176     definition.callAsFunction = &Pointer_callAsFunction;
2177     definition.getProperty = &Pointer_getProperty;
2178     definition.setProperty = &Pointer_setProperty;
2179     definition.finalize = &CYFinalize;
2180     CYPrivate<Pointer>::Class_ = JSClassCreate(&definition);
2181
2182     definition = kJSClassDefinitionEmpty;
2183     definition.className = "Root";
2184     definition.finalize = &CYFinalize;
2185     CYPrivate<CYRoot>::Class_ = JSClassCreate(&definition);
2186
2187     definition = kJSClassDefinitionEmpty;
2188     definition.className = "Struct";
2189     definition.staticFunctions = Struct_staticFunctions;
2190     definition.staticValues = Struct_staticValues;
2191     definition.getProperty = &Struct_getProperty;
2192     definition.setProperty = &Struct_setProperty;
2193     definition.getPropertyNames = &Struct_getPropertyNames;
2194     definition.finalize = &CYFinalize;
2195     CYPrivate<Struct_privateData>::Class_ = JSClassCreate(&definition);
2196
2197     definition = kJSClassDefinitionEmpty;
2198     definition.className = "Type";
2199     definition.staticValues = Type_staticValues;
2200     definition.staticFunctions = Type_staticFunctions;
2201     definition.callAsFunction = &Type_callAsFunction;
2202     definition.callAsConstructor = &Type_callAsConstructor;
2203     definition.finalize = &CYFinalize;
2204     CYPrivate<Type_privateData>::Class_ = JSClassCreate(&definition);
2205
2206     definition = kJSClassDefinitionEmpty;
2207     definition.className = "Global";
2208     //definition.getProperty = &Global_getProperty;
2209     Global_ = JSClassCreate(&definition);
2210
2211     Array_s = JSStringCreateWithUTF8CString("Array");
2212     constructor_s = JSStringCreateWithUTF8CString("constructor");
2213     cy_s = JSStringCreateWithUTF8CString("$cy");
2214     cyi_s = JSStringCreateWithUTF8CString("$cyi");
2215     cyt_s = JSStringCreateWithUTF8CString("$cyt");
2216     length_s = JSStringCreateWithUTF8CString("length");
2217     message_s = JSStringCreateWithUTF8CString("message");
2218     name_s = JSStringCreateWithUTF8CString("name");
2219     pop_s = JSStringCreateWithUTF8CString("pop");
2220     prototype_s = JSStringCreateWithUTF8CString("prototype");
2221     push_s = JSStringCreateWithUTF8CString("push");
2222     splice_s = JSStringCreateWithUTF8CString("splice");
2223     toCYON_s = JSStringCreateWithUTF8CString("toCYON");
2224     toJSON_s = JSStringCreateWithUTF8CString("toJSON");
2225     toPointer_s = JSStringCreateWithUTF8CString("toPointer");
2226     toString_s = JSStringCreateWithUTF8CString("toString");
2227     weak_s = JSStringCreateWithUTF8CString("weak");
2228
2229     Result_ = JSStringCreateWithUTF8CString("_");
2230
2231     for (CYHook *hook : GetHooks())
2232         if (hook->Initialize != NULL)
2233             (*hook->Initialize)();
2234 }
2235
2236 void CYThrow(JSContextRef context, JSValueRef value) {
2237     if (value != NULL)
2238         throw CYJSError(context, value);
2239 }
2240
2241 const char *CYJSError::PoolCString(CYPool &pool) const {
2242     std::set<void *> objects;
2243     // XXX: this used to be CYPoolCString
2244     return CYPoolCCYON(pool, context_, value_, objects);
2245 }
2246
2247 JSValueRef CYJSError::CastJSValue(JSContextRef context, const char *name) const {
2248     // XXX: what if the context is different? or the name? I dunno. ("epic" :/)
2249     return value_;
2250 }
2251
2252 JSValueRef CYCastJSError(JSContextRef context, const char *name, const char *message) {
2253     JSObjectRef Error(CYGetCachedObject(context, CYJSString(name)));
2254     JSValueRef arguments[1] = {CYCastJSValue(context, message)};
2255     return _jsccall(JSObjectCallAsConstructor, context, Error, 1, arguments);
2256 }
2257
2258 JSValueRef CYPoolError::CastJSValue(JSContextRef context, const char *name) const {
2259     return CYCastJSError(context, name, message_);
2260 }
2261
2262 CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
2263     _assert(context != NULL);
2264
2265     CYPool pool;
2266
2267     va_list args;
2268     va_start(args, format);
2269     // XXX: there might be a beter way to think about this
2270     const char *message(pool.vsprintf(64, format, args));
2271     va_end(args);
2272
2273     value_ = CYCastJSError(context, "Error", message);
2274 }
2275
2276 JSGlobalContextRef CYGetJSContext(JSContextRef context) {
2277     return reinterpret_cast<Context *>(JSObjectGetPrivate(CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s))))->context_;
2278 }
2279
2280 #ifdef __ANDROID__
2281 char *CYPoolLibraryPath_(CYPool &pool) {
2282     FILE *maps(fopen("/proc/self/maps", "r"));
2283     struct F { FILE *f; F(FILE *f) : f(f) {}
2284         ~F() { fclose(f); } } f(maps);
2285
2286     size_t function(reinterpret_cast<size_t>(&CYPoolLibraryPath));
2287
2288     for (;;) {
2289         size_t start; size_t end; char flags[8]; unsigned long long offset;
2290         int major; int minor; unsigned long long inode; char file[1024];
2291         int count(fscanf(maps, "%zx-%zx %7s %llx %x:%x %llu%[ ]%1024[^\n]\n",
2292             &start, &end, flags, &offset, &major, &minor, &inode, file, file));
2293         if (count < 8) break; else if (start <= function && function < end)
2294             return pool.strdup(file);
2295     }
2296
2297     _assert(false);
2298 }
2299 #else
2300 char *CYPoolLibraryPath_(CYPool &pool) {
2301     Dl_info addr;
2302     _assert(dladdr(reinterpret_cast<void *>(&CYPoolLibraryPath), &addr) != 0);
2303     return pool.strdup(addr.dli_fname);
2304 }
2305 #endif
2306
2307 const char *CYPoolLibraryPath(CYPool &pool) {
2308     char *lib(CYPoolLibraryPath_(pool));
2309
2310     char *slash(strrchr(lib, '/'));
2311     if (slash == NULL)
2312         return ".";
2313     *slash = '\0';
2314
2315     slash = strrchr(lib, '/');
2316     if (slash != NULL) {
2317         if (strcmp(slash, "/.libs") == 0)
2318             *slash = '\0';
2319     } else if (strcmp(lib, ".libs") == 0)
2320         return ".";
2321
2322     return lib;
2323 }
2324
2325 static JSValueRef require_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2326     _assert(count == 1);
2327     CYPool pool;
2328
2329     CYUTF8String name(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
2330     if (memchr(name.data, '/', name.size) == NULL && (
2331 #ifdef __APPLE__
2332         dlopen(pool.strcat("/System/Library/Frameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2333         dlopen(pool.strcat("/System/Library/PrivateFrameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2334 #endif
2335     false))
2336         return CYJSUndefined(context);
2337
2338     CYJSString path;
2339     CYUTF8String code;
2340
2341     sqlite3_stmt *statement;
2342
2343     _sqlcall(sqlite3_prepare(database_,
2344         "select "
2345             "\"module\".\"code\", "
2346             "\"module\".\"flags\" "
2347         "from \"module\" "
2348         "where"
2349             " \"module\".\"name\" = ?"
2350         " limit 1"
2351     , -1, &statement, NULL));
2352
2353     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
2354
2355     if (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE) {
2356         code.data = static_cast<const char *>(sqlite3_column_blob(statement, 0));
2357         code.size = sqlite3_column_bytes(statement, 0);
2358         path = CYJSString(name);
2359         code = CYPoolUTF8String(pool, code);
2360     } else {
2361         JSObjectRef resolve(CYCastJSObject(context, CYGetProperty(context, object, CYJSString("resolve"))));
2362         path = CYJSString(context, CYCallAsFunction(context, resolve, NULL, 1, arguments));
2363     }
2364
2365     _sqlcall(sqlite3_finalize(statement));
2366
2367     CYJSString property("exports");
2368
2369     JSObjectRef modules(CYGetCachedObject(context, CYJSString("modules")));
2370     JSValueRef cache(CYGetProperty(context, modules, path));
2371
2372     JSValueRef result;
2373     if (!JSValueIsUndefined(context, cache)) {
2374         JSObjectRef module(CYCastJSObject(context, cache));
2375         result = CYGetProperty(context, module, property);
2376     } else {
2377         if (code.data == NULL) {
2378             code = CYPoolFileUTF8String(pool, CYPoolCString(pool, context, path));
2379             _assert(code.data != NULL);
2380         }
2381
2382         size_t length(name.size);
2383         if (length >= 5 && strncmp(name.data + length - 5, ".json", 5) == 0) {
2384             JSObjectRef JSON(CYGetCachedObject(context, CYJSString("JSON")));
2385             JSObjectRef parse(CYCastJSObject(context, CYGetProperty(context, JSON, CYJSString("parse"))));
2386             JSValueRef arguments[1] = { CYCastJSValue(context, CYJSString(code)) };
2387             result = CYCallAsFunction(context, parse, JSON, 1, arguments);
2388         } else {
2389             JSObjectRef module(JSObjectMake(context, NULL, NULL));
2390             CYSetProperty(context, modules, path, module);
2391
2392             JSObjectRef exports(JSObjectMake(context, NULL, NULL));
2393             CYSetProperty(context, module, property, exports);
2394
2395             std::stringstream wrap;
2396             wrap << "(function (exports, require, module, __filename) { " << code << "\n});";
2397             code = CYPoolCode(pool, *wrap.rdbuf());
2398
2399             JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2400             JSObjectRef function(CYCastJSObject(context, value));
2401
2402             JSValueRef arguments[4] = { exports, object, module, CYCastJSValue(context, path) };
2403             CYCallAsFunction(context, function, NULL, 4, arguments);
2404             result = CYGetProperty(context, module, property);
2405         }
2406     }
2407
2408     return result;
2409 } CYCatch(NULL) }
2410
2411 static bool CYRunScript(JSGlobalContextRef context, const char *path) {
2412     CYPool pool;
2413     CYUTF8String code(CYPoolFileUTF8String(pool, pool.strcat(CYPoolLibraryPath(pool), path, NULL)));
2414     if (code.data == NULL)
2415         return false;
2416
2417     code = CYPoolCode(pool, code);
2418     _jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0);
2419     return true;
2420 }
2421
2422 extern "C" void CYDestroyWeak(JSWeakObjectMapRef weak, void *data) {
2423 }
2424
2425 extern "C" void CYSetupContext(JSGlobalContextRef context) {
2426     CYInitializeDynamic();
2427
2428     JSObjectRef global(CYGetGlobalObject(context));
2429
2430     JSObjectRef cy(CYPrivate<Context>::Make(context, context));
2431     CYSetProperty(context, global, cy_s, cy, kJSPropertyAttributeDontEnum);
2432
2433 /* Cache Globals {{{ */
2434     JSObjectRef Array(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array"))));
2435     CYSetProperty(context, cy, CYJSString("Array"), Array);
2436
2437     JSObjectRef Array_prototype(CYCastJSObject(context, CYGetProperty(context, Array, prototype_s)));
2438     CYSetProperty(context, cy, CYJSString("Array_prototype"), Array_prototype);
2439
2440     JSObjectRef Boolean(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Boolean"))));
2441     CYSetProperty(context, cy, CYJSString("Boolean"), Boolean);
2442
2443     JSObjectRef Boolean_prototype(CYCastJSObject(context, CYGetProperty(context, Boolean, prototype_s)));
2444     CYSetProperty(context, cy, CYJSString("Boolean_prototype"), Boolean_prototype);
2445
2446     JSObjectRef Error(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error"))));
2447     CYSetProperty(context, cy, CYJSString("Error"), Error);
2448
2449     JSObjectRef Function(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function"))));
2450     CYSetProperty(context, cy, CYJSString("Function"), Function);
2451
2452     JSObjectRef Function_prototype(CYCastJSObject(context, CYGetProperty(context, Function, prototype_s)));
2453     CYSetProperty(context, cy, CYJSString("Function_prototype"), Function_prototype);
2454
2455     JSObjectRef JSON(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("JSON"))));
2456     CYSetProperty(context, cy, CYJSString("JSON"), JSON);
2457
2458     JSObjectRef Number(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Number"))));
2459     CYSetProperty(context, cy, CYJSString("Number"), Number);
2460
2461     JSObjectRef Number_prototype(CYCastJSObject(context, CYGetProperty(context, Number, prototype_s)));
2462     CYSetProperty(context, cy, CYJSString("Number_prototype"), Number_prototype);
2463
2464     JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
2465     CYSetProperty(context, cy, CYJSString("Object"), Object);
2466
2467     JSObjectRef Object_prototype(CYCastJSObject(context, CYGetProperty(context, Object, prototype_s)));
2468     CYSetProperty(context, cy, CYJSString("Object_prototype"), Object_prototype);
2469
2470     JSObjectRef String(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String"))));
2471     CYSetProperty(context, cy, CYJSString("String"), String);
2472
2473     JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s)));
2474     CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype);
2475
2476     JSObjectRef SyntaxError(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("SyntaxError"))));
2477     CYSetProperty(context, cy, CYJSString("SyntaxError"), SyntaxError);
2478 /* }}} */
2479
2480     CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2481     CYSetProperty(context, String_prototype, toCYON_s, &String_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2482
2483     JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
2484     CYSetProperty(context, global, CYJSString("Cycript"), cycript);
2485     CYSetProperty(context, cycript, CYJSString("compile"), &Cycript_compile_callAsFunction);
2486     CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction);
2487
2488     JSObjectRef CArray(JSObjectMakeConstructor(context, CYPrivate<::CArray>::Class_, &CArray_new));
2489     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CArray, prototype_s)), Array_prototype);
2490     CYSetProperty(context, cycript, CYJSString("CArray"), CArray);
2491
2492     JSObjectRef CString(JSObjectMakeConstructor(context, CYPrivate<::CString>::Class_, &CString_new));
2493     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CString, prototype_s)), String_prototype);
2494     CYSetProperty(context, cycript, CYJSString("CString"), CString);
2495
2496     JSObjectRef Functor(JSObjectMakeConstructor(context, cy::Functor::Class_, &Functor_new));
2497     JSObjectRef Functor_prototype(CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)));
2498     CYSetPrototype(context, Functor_prototype, Function_prototype);
2499     CYSetProperty(context, cy, CYJSString("Functor_prototype"), Functor_prototype);
2500     CYSetProperty(context, cycript, CYJSString("Functor"), Functor);
2501
2502     CYSetProperty(context, cycript, CYJSString("Pointer"), JSObjectMakeConstructor(context, CYPrivate<Pointer>::Class_, &Pointer_new));
2503
2504     JSObjectRef Type(JSObjectMakeConstructor(context, CYPrivate<Type_privateData>::Class_, &Type_new));
2505     JSObjectRef Type_prototype(CYCastJSObject(context, CYGetProperty(context, Type, prototype_s)));
2506     CYSetPrototype(context, Type_prototype, Function_prototype);
2507     CYSetProperty(context, cy, CYJSString("Type_prototype"), Type_prototype);
2508     CYSetProperty(context, cycript, CYJSString("Type"), Type);
2509
2510     JSObjectRef Character_prototype(JSObjectMake(context, NULL, NULL));
2511     CYSetPrototype(context, Character_prototype, String_prototype);
2512     CYSetProperty(context, cy, CYJSString("Character_prototype"), Character_prototype);
2513     CYSetProperty(context, Character_prototype, CYJSString("valueOf"), _jsccall(JSEvaluateScript, context, CYJSString("(function(){return this.charCodeAt(0);})"), NULL, NULL, 0));
2514
2515     JSObjectRef modules(JSObjectMake(context, NULL, NULL));
2516     CYSetProperty(context, cy, CYJSString("modules"), modules);
2517
2518     JSObjectRef all(JSObjectMake(context, All_, NULL));
2519     CYSetProperty(context, cycript, CYJSString("all"), all);
2520
2521     JSObjectRef cache(JSObjectMake(context, NULL, NULL));
2522     CYSetProperty(context, cy, CYJSString("cache"), cache);
2523     CYSetPrototype(context, cache, all);
2524
2525     JSObjectRef alls(_jsccall(JSObjectCallAsConstructor, context, Array, 0, NULL));
2526     CYSetProperty(context, cycript, CYJSString("alls"), alls);
2527
2528     if (true) {
2529         JSObjectRef last(NULL), curr(global);
2530
2531         goto next; for (JSValueRef next;;) {
2532             if (JSValueIsNull(context, next))
2533                 break;
2534             last = curr;
2535             curr = CYCastJSObject(context, next);
2536           next:
2537             next = JSObjectGetPrototype(context, curr);
2538         }
2539
2540         CYSetPrototype(context, last, cache);
2541     }
2542
2543 #ifdef __APPLE__
2544     if (&JSWeakObjectMapCreate != NULL) {
2545         JSWeakObjectMapRef weak(JSWeakObjectMapCreate(context, NULL, &CYDestroyWeak));
2546         CYSetProperty(context, cy, weak_s, CYCastJSValue(context, reinterpret_cast<uintptr_t>(weak)));
2547     }
2548 #endif
2549
2550     CYSetProperty(context, String_prototype, cyt_s, CYMakeType(context, sig::String(true)), kJSPropertyAttributeDontEnum);
2551
2552     CYSetProperty(context, cache, CYJSString("dlerror"), CYMakeFunctor(context, "dlerror", "*"), kJSPropertyAttributeDontEnum);
2553     CYSetProperty(context, cache, CYJSString("RTLD_DEFAULT"), CYCastJSValue(context, reinterpret_cast<intptr_t>(RTLD_DEFAULT)), kJSPropertyAttributeDontEnum);
2554     CYSetProperty(context, cache, CYJSString("dlsym"), CYMakeFunctor(context, "dlsym", "^v^v*"), kJSPropertyAttributeDontEnum);
2555
2556     CYSetProperty(context, cache, CYJSString("NULL"), CYJSNull(context), kJSPropertyAttributeDontEnum);
2557
2558     CYSetProperty(context, cache, CYJSString("bool"), CYMakeType(context, sig::Primitive<bool>()), kJSPropertyAttributeDontEnum);
2559     CYSetProperty(context, cache, CYJSString("char"), CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
2560     CYSetProperty(context, cache, CYJSString("schar"), CYMakeType(context, sig::Primitive<signed char>()), kJSPropertyAttributeDontEnum);
2561     CYSetProperty(context, cache, CYJSString("uchar"), CYMakeType(context, sig::Primitive<unsigned char>()), kJSPropertyAttributeDontEnum);
2562
2563     CYSetProperty(context, cache, CYJSString("short"), CYMakeType(context, sig::Primitive<short>()), kJSPropertyAttributeDontEnum);
2564     CYSetProperty(context, cache, CYJSString("int"), CYMakeType(context, sig::Primitive<int>()), kJSPropertyAttributeDontEnum);
2565     CYSetProperty(context, cache, CYJSString("long"), CYMakeType(context, sig::Primitive<long>()), kJSPropertyAttributeDontEnum);
2566     CYSetProperty(context, cache, CYJSString("longlong"), CYMakeType(context, sig::Primitive<long long>()), kJSPropertyAttributeDontEnum);
2567
2568     CYSetProperty(context, cache, CYJSString("ushort"), CYMakeType(context, sig::Primitive<unsigned short>()), kJSPropertyAttributeDontEnum);
2569     CYSetProperty(context, cache, CYJSString("uint"), CYMakeType(context, sig::Primitive<unsigned int>()), kJSPropertyAttributeDontEnum);
2570     CYSetProperty(context, cache, CYJSString("ulong"), CYMakeType(context, sig::Primitive<unsigned long>()), kJSPropertyAttributeDontEnum);
2571     CYSetProperty(context, cache, CYJSString("ulonglong"), CYMakeType(context, sig::Primitive<unsigned long long>()), kJSPropertyAttributeDontEnum);
2572
2573 #ifdef __SIZEOF_INT128__
2574     CYSetProperty(context, cache, CYJSString("int128"), CYMakeType(context, sig::Primitive<__int128>()), kJSPropertyAttributeDontEnum);
2575     CYSetProperty(context, cache, CYJSString("uint128"), CYMakeType(context, sig::Primitive<unsigned __int128>()), kJSPropertyAttributeDontEnum);
2576 #endif
2577
2578     CYSetProperty(context, cache, CYJSString("float"), CYMakeType(context, sig::Primitive<float>()), kJSPropertyAttributeDontEnum);
2579     CYSetProperty(context, cache, CYJSString("double"), CYMakeType(context, sig::Primitive<double>()), kJSPropertyAttributeDontEnum);
2580     CYSetProperty(context, cache, CYJSString("longdouble"), CYMakeType(context, sig::Primitive<long double>()), kJSPropertyAttributeDontEnum);
2581
2582     CYSetProperty(context, global, CYJSString("require"), &require_callAsFunction, kJSPropertyAttributeDontEnum);
2583
2584     JSObjectRef System(JSObjectMake(context, NULL, NULL));
2585     CYSetProperty(context, all, CYJSString("system"), System);
2586     System = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("system")));
2587     CYSetProperty(context, cy, CYJSString("System"), System);
2588
2589     JSObjectRef process(JSObjectMake(context, NULL, NULL));
2590     CYSetProperty(context, global, CYJSString("process"), process);
2591     CYSetProperty(context, cy, CYJSString("process"), process);
2592
2593     CYSetProperty(context, System, CYJSString("args"), CYJSNull(context));
2594     CYSetProperty(context, System, CYJSString("print"), &System_print);
2595
2596     CYSetProperty(context, global, CYJSString("global"), global);
2597     CYSetProperty(context, global, CYJSString("print"), &Global_print);
2598
2599     for (CYHook *hook : GetHooks())
2600         if (hook->SetupContext != NULL)
2601             (*hook->SetupContext)(context);
2602
2603     CYArrayPush(context, alls, cycript);
2604
2605     CYRunScript(context, "/libcycript.cy");
2606 }
2607
2608 static JSGlobalContextRef context_;
2609
2610 _visible JSGlobalContextRef CYGetJSContext() {
2611     CYInitializeDynamic();
2612
2613     if (context_ == NULL) {
2614         context_ = JSGlobalContextCreate(Global_);
2615         CYSetupContext(context_);
2616     }
2617
2618     return context_;
2619 }
2620
2621 _visible void CYDestroyContext() {
2622     if (context_ == NULL)
2623         return;
2624     JSGlobalContextRelease(context_);
2625     context_ = NULL;
2626 }