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     _assert(internal->count_ != _not(unsigned));
 221     if (--internal->count_ == 0)
 222         delete internal;
 223 }
 224
 225 sig::Type *Structor_(CYPool &pool, sig::Aggregate *aggregate) {
 226     //_assert(false);
 227     return aggregate;
 228 }
 229
 230 struct Context :
 231     CYRoot
 232 {
 233     JSGlobalContextRef context_;
 234
 235     Context(JSGlobalContextRef context) :
 236         context_(context)
 237     {
 238     }
 239 };
 240
 241 struct CArray :
 242     CYRoot
 243 {
 244     void *value_;
 245     CYProtect owner_;
 246     Type_privateData *type_;
 247     size_t length_;
 248
 249     CArray(void *value, size_t length, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 250         value_(value),
 251         owner_(context, owner),
 252         type_(new(*pool_) Type_privateData(type, ffi)),
 253         length_(length)
 254     {
 255     }
 256 };
 257
 258 struct CString :
 259     CYRoot
 260 {
 261     char *value_;
 262     CYProtect owner_;
 263
 264     CString(char *value, JSContextRef context, JSObjectRef owner) :
 265         value_(value),
 266         owner_(context, owner)
 267     {
 268     }
 269 };
 270
 271 struct Pointer :
 272     CYRoot
 273 {
 274     void *value_;
 275     CYProtect owner_;
 276     Type_privateData *type_;
 277
 278     Pointer(void *value, const sig::Type &type, JSContextRef context, JSObjectRef owner) :
 279         value_(value),
 280         owner_(context, owner),
 281         type_(new(*pool_) Type_privateData(type))
 282     {
 283     }
 284
 285     Pointer(void *value, const char *encoding, JSContextRef context, JSObjectRef owner) :
 286         value_(value),
 287         owner_(context, owner),
 288         type_(new(*pool_) Type_privateData(encoding))
 289     {
 290     }
 291 };
 292
 293 struct Struct_privateData :
 294     CYRoot
 295 {
 296     void *value_;
 297     CYProtect owner_;
 298     Type_privateData *type_;
 299
 300     Struct_privateData(void *value, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 301         value_(value),
 302         owner_(context, owner),
 303         type_(new(*pool_) Type_privateData(type, ffi))
 304     {
 305         if (owner == NULL) {
 306             size_t size(ffi->size);
 307             void *copy(pool_->malloc<void>(size, ffi->alignment));
 308             memcpy(copy, value_, size);
 309             value_ = copy;
 310         }
 311     }
 312 };
 313
 314 static void *CYCastSymbol(const char *name) {
 315     for (CYHook *hook : GetHooks())
 316         if (hook->CastSymbol != NULL)
 317             if (void *value = (*hook->CastSymbol)(name))
 318                 return value;
 319     return dlsym(RTLD_DEFAULT, name);
 320 }
 321
 322 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
 323     return JSValueMakeBoolean(context, value);
 324 }
 325
 326 JSValueRef CYCastJSValue(JSContextRef context, double value) {
 327     return JSValueMakeNumber(context, value);
 328 }
 329
 330 #define CYCastJSValue_(Type_) \
 331     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
 332         _assert(static_cast<Type_>(static_cast<double>(value)) == value); \
 333         return JSValueMakeNumber(context, static_cast<double>(value)); \
 334     }
 335
 336 CYCastJSValue_(long double)
 337 CYCastJSValue_(signed short int)
 338 CYCastJSValue_(unsigned short int)
 339 CYCastJSValue_(signed int)
 340 CYCastJSValue_(unsigned int)
 341 CYCastJSValue_(signed long int)
 342 CYCastJSValue_(unsigned long int)
 343 CYCastJSValue_(signed long long int)
 344 CYCastJSValue_(unsigned long long int)
 345
 346 #ifdef __SIZEOF_INT128__
 347 CYCastJSValue_(signed __int128)
 348 CYCastJSValue_(unsigned __int128)
 349 #endif
 350
 351 JSValueRef CYJSUndefined(JSContextRef context) {
 352     return JSValueMakeUndefined(context);
 353 }
 354
 355 double CYCastDouble(JSContextRef context, JSValueRef value) {
 356     return _jsccall(JSValueToNumber, context, value);
 357 }
 358
 359 bool CYCastBool(JSContextRef context, JSValueRef value) {
 360     return JSValueToBoolean(context, value);
 361 }
 362
 363 JSValueRef CYJSNull(JSContextRef context) {
 364     return JSValueMakeNull(context);
 365 }
 366
 367 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) {
 368     return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value);
 369 }
 370
 371 JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
 372     return CYCastJSValue(context, CYJSString(value));
 373 }
 374
 375 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
 376     return _jsccall(JSValueToObject, context, value);
 377 }
 378
 379 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 380     return _jsccall(JSObjectCallAsFunction, context, function, _this, count, arguments);
 381 }
 382
 383 bool CYIsCallable(JSContextRef context, JSValueRef value) {
 384     return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value);
 385 }
 386
 387 bool CYIsEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) {
 388     return _jsccall(JSValueIsEqual, context, lhs, rhs);
 389 }
 390
 391 bool CYIsStrictEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) {
 392     return JSValueIsStrictEqual(context, lhs, rhs);
 393 }
 394
 395 size_t CYArrayLength(JSContextRef context, JSObjectRef array) {
 396     return CYCastDouble(context, CYGetProperty(context, array, length_s));
 397 }
 398
 399 JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index) {
 400     return _jsccall(JSObjectGetPropertyAtIndex, context, array, index);
 401 }
 402
 403 void CYArrayPush(JSContextRef context, JSObjectRef array, size_t length, const JSValueRef arguments[]) {
 404     JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype")));
 405     _jsccall(JSObjectCallAsFunction, context, CYCastJSObject(context, CYGetProperty(context, Array, push_s)), array, length, arguments);
 406 }
 407
 408 void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value) {
 409     return CYArrayPush(context, array, 1, &value);
 410 }
 411
 412 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 413     FILE *file(stdout);
 414
 415     if (count == 0)
 416         fputc('\n', file);
 417     else {
 418         CYPool pool;
 419         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 420         fwrite(string.data, string.size, 1, file);
 421     }
 422
 423     fflush(file);
 424     return CYJSUndefined(context);
 425 } CYCatch(NULL) }
 426
 427 static JSValueRef Global_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 428     FILE *file(stdout);
 429     CYPool pool;
 430
 431     for (size_t i(0); i != count; ++i) {
 432         if (i != 0)
 433             fputc(' ', file);
 434         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[i])));
 435         fwrite(string.data, string.size, 1, file);
 436     }
 437
 438     fputc('\n', file);
 439     fflush(file);
 440     return CYJSUndefined(context);
 441 } CYCatch(NULL) }
 442
 443 static void (*JSSynchronousGarbageCollectForDebugging$)(JSContextRef);
 444
 445 _visible void CYGarbageCollect(JSContextRef context) {
 446     (JSSynchronousGarbageCollectForDebugging$ ?: &JSGarbageCollect)(context);
 447 }
 448
 449 static JSValueRef Cycript_compile_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 450     CYPool pool;
 451     CYUTF8String before(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 452     CYUTF8String after(CYPoolCode(pool, before));
 453     return CYCastJSValue(context, CYJSString(after));
 454 } CYCatch_(NULL, "SyntaxError") }
 455
 456 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 457     CYGarbageCollect(context);
 458     return CYJSUndefined(context);
 459 } CYCatch(NULL) }
 460
 461 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects, JSValueRef *exception) { CYTry {
 462     switch (JSType type = JSValueGetType(context, value)) {
 463         case kJSTypeUndefined:
 464             return "undefined";
 465         case kJSTypeNull:
 466             return "null";
 467         case kJSTypeBoolean:
 468             return CYCastBool(context, value) ? "true" : "false";
 469
 470         case kJSTypeNumber: {
 471             std::ostringstream str;
 472             CYNumerify(str, CYCastDouble(context, value));
 473             std::string value(str.str());
 474             return pool.strmemdup(value.c_str(), value.size());
 475         } break;
 476
 477         case kJSTypeString: {
 478             std::ostringstream str;
 479             CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, value)));
 480             CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 481             std::string value(str.str());
 482             return pool.strmemdup(value.c_str(), value.size());
 483         } break;
 484
 485         case kJSTypeObject:
 486             return CYPoolCCYON(pool, context, (JSObjectRef) value, objects);
 487         default:
 488             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 489     }
 490 } CYCatch(NULL) }
 491
 492 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects) {
 493     return _jsccall(CYPoolCCYON, pool, context, value, objects);
 494 }
 495
 496 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> *objects) {
 497     if (objects != NULL)
 498         return CYPoolCCYON(pool, context, value, *objects);
 499     else {
 500         std::set<void *> objects;
 501         return CYPoolCCYON(pool, context, value, objects);
 502     }
 503 }
 504
 505 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object, std::set<void *> &objects) {
 506     JSValueRef toCYON(CYGetProperty(context, object, toCYON_s));
 507     if (CYIsCallable(context, toCYON)) {
 508         // XXX: this needs to be abstracted behind some kind of function
 509         JSValueRef arguments[1] = {CYCastJSValue(context, reinterpret_cast<uintptr_t>(&objects))};
 510         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 1, arguments));
 511         _assert(value != NULL);
 512         return CYPoolCString(pool, context, value);
 513     }
 514
 515     JSValueRef toJSON(CYGetProperty(context, object, toJSON_s));
 516     if (CYIsCallable(context, toJSON)) {
 517         JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 518         return _jsccall(CYPoolCCYON, pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), objects);
 519     }
 520
 521     if (JSObjectIsFunction(context, object)) {
 522         JSValueRef toString(CYGetProperty(context, object, toString_s));
 523         if (CYIsCallable(context, toString)) {
 524             JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 525             JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toString, object, 1, arguments));
 526             _assert(value != NULL);
 527             return CYPoolCString(pool, context, value);
 528         }
 529     }
 530
 531     _assert(objects.insert(object).second);
 532
 533     std::ostringstream str;
 534
 535     JSValueRef value(CYGetProperty(context, object, constructor_s));
 536     if (JSValueIsObject(context, value)) {
 537         JSObjectRef constructor(CYCastJSObject(context, value));
 538         JSValueRef theory(CYGetProperty(context, constructor, prototype_s));
 539         JSValueRef practice(JSObjectGetPrototype(context, object));
 540
 541         if (CYIsStrictEqual(context, theory, practice)) {
 542             JSValueRef name(CYGetProperty(context, constructor, name_s));
 543             if (!JSValueIsUndefined(context, name)) {
 544                 auto utf8(CYPoolUTF8String(pool, context, CYJSString(context, name)));
 545                 if (utf8 != "Object")
 546                     str << "new" << ' ' << utf8;
 547             }
 548         }
 549     }
 550
 551     str << '{';
 552
 553     // XXX: this is, sadly, going to leak
 554     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, object));
 555
 556     bool comma(false);
 557
 558     for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) {
 559         if (comma)
 560             str << ',';
 561         else
 562             comma = true;
 563
 564         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
 565         CYUTF8String string(CYPoolUTF8String(pool, context, name));
 566
 567         if (CYIsKey(string))
 568             str << string.data;
 569         else
 570             CYStringify(str, string.data, string.size, CYStringifyModeLegacy);
 571
 572         str << ':';
 573
 574         try {
 575             JSValueRef value(CYGetProperty(context, object, name));
 576             str << CYPoolCCYON(pool, context, value, objects);
 577         } catch (const CYException &error) {
 578             str << "@error";
 579         }
 580     }
 581
 582     JSPropertyNameArrayRelease(names);
 583
 584     str << '}';
 585
 586     std::string string(str.str());
 587     return pool.strmemdup(string.c_str(), string.size());
 588 }
 589
 590 std::set<void *> *CYCastObjects(JSContextRef context, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 591     if (count == 0)
 592         return NULL;
 593     return CYCastPointer<std::set<void *> *>(context, arguments[0]);
 594 }
 595
 596 static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 597     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
 598     // XXX: this is horribly inefficient
 599     std::set<void *> backup;
 600     if (objects == NULL)
 601         objects = &backup;
 602
 603     CYPool pool;
 604     std::ostringstream str;
 605
 606     str << '[';
 607
 608     JSValueRef length(CYGetProperty(context, _this, length_s));
 609     bool comma(false);
 610
 611     for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) {
 612         if (comma)
 613             str << ',';
 614         else
 615             comma = true;
 616
 617         try {
 618             JSValueRef value(CYGetProperty(context, _this, index));
 619             if (!JSValueIsUndefined(context, value))
 620                 str << CYPoolCCYON(pool, context, value, *objects);
 621             else {
 622                 str << ',';
 623                 comma = false;
 624             }
 625         } catch (const CYException &error) {
 626             str << "@error";
 627         }
 628     }
 629
 630     str << ']';
 631
 632     std::string value(str.str());
 633     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 634 } CYCatch(NULL) }
 635
 636 static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 637     CYPool pool;
 638     std::ostringstream str;
 639
 640     CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, _this)));
 641     CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 642
 643     std::string value(str.str());
 644     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 645 } CYCatch(NULL) }
 646
 647 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, const sig::Type &type, ffi_type *ffi, JSObjectRef owner) {
 648     return CYPrivate<Pointer>::Make(context, pointer, type, context, owner);
 649 }
 650
 651 static JSValueRef CYMakeFunctor(JSContextRef context, void (*function)(), bool variadic, const sig::Signature &signature) {
 652     if (function == NULL)
 653         return CYJSNull(context);
 654     return JSObjectMake(context, cy::Functor::Class_, new cy::Functor(function, variadic, signature));
 655 }
 656
 657 // XXX: remove this, as it is really stupid
 658 static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *encoding) {
 659     void (*function)()(reinterpret_cast<void (*)()>(CYCastSymbol(symbol)));
 660     if (function == NULL)
 661         return NULL;
 662
 663     cy::Functor *internal(new cy::Functor(function, encoding));
 664     ++internal->count_;
 665     return JSObjectMake(context, cy::Functor::Class_, internal);
 666 }
 667
 668 bool CYGetOffset(CYPool &pool, JSContextRef context, JSStringRef value, ssize_t &index) {
 669     return CYGetOffset(CYPoolCString(pool, context, value), index);
 670 }
 671
 672 void *CYCastPointer_(JSContextRef context, JSValueRef value, bool *guess) {
 673     if (value == NULL)
 674         return NULL;
 675     else switch (JSValueGetType(context, value)) {
 676         case kJSTypeNull:
 677             return NULL;
 678         case kJSTypeObject: {
 679             JSObjectRef object((JSObjectRef) value);
 680             if (JSValueIsObjectOfClass(context, value, CYPrivate<Pointer>::Class_)) {
 681                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
 682                 return internal->value_;
 683             }
 684             JSValueRef toPointer(CYGetProperty(context, object, toPointer_s));
 685             if (CYIsCallable(context, toPointer)) {
 686                 JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
 687                 _assert(value != NULL);
 688                 return CYCastPointer_(context, value, guess);
 689             }
 690         } default:
 691             if (guess != NULL)
 692                 *guess = true;
 693         case kJSTypeNumber:
 694             double number(CYCastDouble(context, value));
 695             if (!std::isnan(number))
 696                 return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
 697             if (guess == NULL)
 698                 throw CYJSError(context, "cannot convert value to pointer");
 699             else {
 700                 *guess = true;
 701                 return NULL;
 702             }
 703     }
 704 }
 705
 706 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function);
 707
 708 namespace sig {
 709
 710 // XXX: this is somehow not quite a template :/
 711
 712 template <>
 713 void Primitive<bool>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 714     *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
 715 }
 716
 717 #define CYPoolFFI_(Type_) \
 718 template <> \
 719 void Primitive<Type_>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const { \
 720     *reinterpret_cast<Type_ *>(data) = CYCastDouble(context, value); \
 721 }
 722
 723 CYPoolFFI_(wchar_t)
 724 CYPoolFFI_(float)
 725 CYPoolFFI_(double)
 726 CYPoolFFI_(long double)
 727
 728 CYPoolFFI_(signed char)
 729 CYPoolFFI_(signed int)
 730 CYPoolFFI_(signed long int)
 731 CYPoolFFI_(signed long long int)
 732 CYPoolFFI_(signed short int)
 733
 734 CYPoolFFI_(unsigned char)
 735 CYPoolFFI_(unsigned int)
 736 CYPoolFFI_(unsigned long int)
 737 CYPoolFFI_(unsigned long long int)
 738 CYPoolFFI_(unsigned short int)
 739
 740 #ifdef __SIZEOF_INT128__
 741 CYPoolFFI_(signed __int128)
 742 CYPoolFFI_(unsigned __int128)
 743 #endif
 744
 745 template <>
 746 void Primitive<char>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 747     if (JSValueGetType(context, value) != kJSTypeString)
 748         *reinterpret_cast<char *>(data) = CYCastDouble(context, value);
 749     else {
 750         CYJSString script(context, value);
 751         auto string(CYCastUTF16String(script));
 752         _assert(string.size == 1);
 753         *reinterpret_cast<char *>(data) = string.data[0];
 754     }
 755 }
 756
 757 void Void::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 758     _assert(false);
 759 }
 760
 761 void Unknown::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 762     _assert(false);
 763 }
 764
 765 void String::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 766     bool guess(false);
 767     *reinterpret_cast<const char **>(data) = CYCastPointer<const char *>(context, value, &guess);
 768     if (guess && pool != NULL)
 769         *reinterpret_cast<const char **>(data) = CYPoolCString(*pool, context, value);
 770 }
 771
 772 void Bits::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 773     _assert(false);
 774 }
 775
 776 static void CYArrayCopy(CYPool *pool, JSContextRef context, uint8_t *base, size_t length, const sig::Type &type, ffi_type *ffi, JSObjectRef object) {
 777     for (size_t index(0); index != length; ++index) {
 778         JSValueRef rhs(CYGetProperty(context, object, index));
 779         if (JSValueIsUndefined(context, rhs))
 780             throw CYJSError(context, "unable to extract array value");
 781         type.PoolFFI(pool, context, ffi, base, rhs);
 782         base += ffi->size;
 783     }
 784 }
 785
 786 void Pointer::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 787     bool guess(false);
 788     *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value, &guess);
 789     if (!guess || pool == NULL || !JSValueIsObject(context, value))
 790         return;
 791
 792     JSObjectRef object(CYCastJSObject(context, value));
 793
 794     if (sig::Function *function = dynamic_cast<sig::Function *>(&type)) {
 795         _assert(!function->variadic);
 796         auto internal(CYMakeFunctor_(context, object, function->signature, &FunctionAdapter_));
 797         // XXX: see notes in Library.cpp about needing to leak
 798         *reinterpret_cast<void (**)()>(data) = internal->value_;
 799     } else if (CYHasProperty(context, object, length_s)) {
 800         size_t length(CYArrayLength(context, object));
 801         ffi_type *element(type.GetFFI(*pool));
 802         size_t size(element->size * length);
 803         uint8_t *base(pool->malloc<uint8_t>(size, element->alignment));
 804         CYArrayCopy(pool, context, base, length, type, element, object);
 805         *reinterpret_cast<void **>(data) = base;
 806     }
 807 }
 808
 809 void Array::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 810     if (size == 0)
 811         return;
 812     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 813     CYArrayCopy(pool, context, base, size, type, ffi->elements[0], CYCastJSObject(context, value));
 814 }
 815
 816 void Enum::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 817     return type.PoolFFI(pool, context, ffi, data, value);
 818 }
 819
 820 void Aggregate::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 821     _assert(!overlap);
 822     _assert(signature.count != _not(size_t));
 823
 824     size_t offset(0);
 825     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 826     JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
 827     for (size_t index(0); index != signature.count; ++index) {
 828         sig::Element *element(&signature.elements[index]);
 829         ffi_type *field(ffi->elements[index]);
 830
 831         JSValueRef rhs;
 832         if (aggregate == NULL)
 833             rhs = value;
 834         else {
 835             rhs = CYGetProperty(context, aggregate, index);
 836             if (JSValueIsUndefined(context, rhs)) {
 837                 if (element->name != NULL)
 838                     rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
 839                 else
 840                     goto undefined;
 841                 if (JSValueIsUndefined(context, rhs)) undefined:
 842                     throw CYJSError(context, "unable to extract structure value");
 843             }
 844         }
 845
 846         element->type->PoolFFI(pool, context, field, base + offset, rhs);
 847         offset += field->size;
 848         CYAlign(offset, field->alignment);
 849     }
 850 }
 851
 852 void Function::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 853     _assert(false);
 854 }
 855
 856 #define CYFromFFI_(Type_) \
 857 template <> \
 858 JSValueRef Primitive<Type_>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const { \
 859     JSValueRef value(CYCastJSValue(context, *reinterpret_cast<Type_ *>(data))); \
 860     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("Number")), 1, &value)); \
 861     CYSetProperty(context, typed, cyt_s, CYMakeType(context, *this), kJSPropertyAttributeDontEnum); \
 862     return typed; \
 863 }
 864
 865 CYFromFFI_(wchar_t)
 866 CYFromFFI_(float)
 867 CYFromFFI_(double)
 868 CYFromFFI_(long double)
 869
 870 CYFromFFI_(signed char)
 871 CYFromFFI_(signed int)
 872 CYFromFFI_(signed long int)
 873 CYFromFFI_(signed long long int)
 874 CYFromFFI_(signed short int)
 875
 876 CYFromFFI_(unsigned char)
 877 CYFromFFI_(unsigned int)
 878 CYFromFFI_(unsigned long int)
 879 CYFromFFI_(unsigned long long int)
 880 CYFromFFI_(unsigned short int)
 881
 882 #ifdef __SIZEOF_INT128__
 883 CYFromFFI_(signed __int128)
 884 CYFromFFI_(unsigned __int128)
 885 #endif
 886
 887 template <>
 888 JSValueRef Primitive<bool>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 889     return CYCastJSValue(context, *reinterpret_cast<bool *>(data));
 890 }
 891
 892 template <>
 893 JSValueRef Primitive<char>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 894     uint16_t string(uint8_t(*reinterpret_cast<char *>(data)));
 895     JSValueRef value(CYCastJSValue(context, CYJSString(CYUTF16String(&string, 1))));
 896     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("String")), 1, &value));
 897     CYSetProperty(context, typed, cyt_s, CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
 898     CYSetPrototype(context, typed, CYGetCachedValue(context, CYJSString("Character_prototype")));
 899     return typed;
 900 }
 901
 902 JSValueRef Void::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 903     return CYJSUndefined(context);
 904 }
 905
 906 JSValueRef Unknown::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 907     _assert(false);
 908 }
 909
 910 JSValueRef String::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 911     if (char *value = *reinterpret_cast<char **>(data))
 912         return CYPrivate<CString>::Make(context, value, context, owner);
 913     return CYJSNull(context);
 914 }
 915
 916 JSValueRef Bits::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 917     _assert(false);
 918 }
 919
 920 JSValueRef Pointer::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 921     if (void *value = *reinterpret_cast<void **>(data))
 922         return CYMakePointer(context, value, type, NULL, owner);
 923     return CYJSNull(context);
 924 }
 925
 926 JSValueRef Array::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 927     return CYPrivate<CArray>::Make(context, data, size, type, ffi->elements[0], context, owner);
 928 }
 929
 930 JSValueRef Enum::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 931     return type.FromFFI(context, ffi, data, initialize, owner);
 932 }
 933
 934 JSValueRef Aggregate::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 935     _assert(!overlap);
 936     _assert(signature.count != _not(size_t));
 937     return CYPrivate<Struct_privateData>::Make(context, data, *this, ffi, context, owner);
 938 }
 939
 940 JSValueRef Function::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 941     return CYMakeFunctor(context, reinterpret_cast<void (*)()>(data), variadic, signature);
 942 }
 943
 944 }
 945
 946 void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg) {
 947     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
 948
 949     JSContextRef context(internal->function_);
 950
 951     size_t count(internal->cif_.nargs);
 952     JSValueRef values[count];
 953
 954     for (size_t index(0); index != count; ++index)
 955         values[index] = internal->signature_.elements[1 + index].type->FromFFI(context, internal->cif_.arg_types[index], arguments[index]);
 956
 957     JSValueRef value(internal->adapter_(context, count, values, internal->function_));
 958     if (internal->cif_.rtype != &ffi_type_void)
 959         internal->signature_.elements[0].type->PoolFFI(NULL, context, internal->cif_.rtype, result, value);
 960 }
 961
 962 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
 963     return CYCallAsFunction(context, function, NULL, count, values);
 964 }
 965
 966 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 967 static void CYFreeFunctor(void *data) {
 968     ffi_closure_free(data);
 969 }
 970 #else
 971 static void CYFreeFunctor(void *data) {
 972     _syscall(munmap(data, sizeof(ffi_closure)));
 973 }
 974 #endif
 975
 976 Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const sig::Signature &signature, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) {
 977     // XXX: in case of exceptions this will leak
 978     Closure_privateData *internal(new Closure_privateData(context, function, adapter, signature));
 979
 980 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 981     void *executable;
 982     ffi_closure *writable(reinterpret_cast<ffi_closure *>(ffi_closure_alloc(sizeof(ffi_closure), &executable)));
 983
 984     ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, &CYExecuteClosure, internal, executable));
 985     _assert(status == FFI_OK);
 986
 987     internal->pool_->atexit(&CYFreeFunctor, writable);
 988     internal->value_ = reinterpret_cast<void (*)()>(executable);
 989 #else
 990     ffi_closure *closure((ffi_closure *) _syscall(mmap(
 991         NULL, sizeof(ffi_closure),
 992         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
 993         -1, 0
 994     )));
 995
 996     ffi_status status(ffi_prep_closure(closure, &internal->cif_, &CYExecuteClosure, internal));
 997     _assert(status == FFI_OK);
 998
 999     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
1000
1001     internal->pool_->atexit(&CYFreeFunctor, closure);
1002     internal->value_ = reinterpret_cast<void (*)()>(closure);
1003 #endif
1004
1005     return internal;
1006 }
1007
1008 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const sig::Signature &signature) {
1009     Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &FunctionAdapter_));
1010     JSObjectRef object(JSObjectMake(context, cy::Functor::Class_, internal));
1011     // XXX: see above notes about needing to leak
1012     JSValueProtect(CYGetJSContext(context), object);
1013     return object;
1014 }
1015
1016 JSValueRef CYGetCachedValue(JSContextRef context, JSStringRef name) {
1017     return CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name);
1018 }
1019
1020 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) {
1021     return CYCastJSObject(context, CYGetCachedValue(context, name));
1022 }
1023
1024 static JSValueRef CYMakeFunctor(JSContextRef context, JSValueRef value, bool variadic, const sig::Signature &signature) {
1025     JSObjectRef Function(CYGetCachedObject(context, CYJSString("Function")));
1026
1027     bool function(_jsccall(JSValueIsInstanceOfConstructor, context, value, Function));
1028     if (function) {
1029         JSObjectRef function(CYCastJSObject(context, value));
1030         return CYMakeFunctor(context, function, signature);
1031     } else {
1032         void (*function)()(CYCastPointer<void (*)()>(context, value));
1033         return CYMakeFunctor(context, function, variadic, signature);
1034     }
1035 }
1036
1037 static JSValueRef CString_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1038     CYPool pool;
1039     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1040
1041     ssize_t offset;
1042     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1043         offset = 0;
1044     else if (!CYGetOffset(pool, context, property, offset))
1045         return NULL;
1046
1047     sig::Primitive<char> type;
1048     return type.FromFFI(context, type.GetFFI(pool), internal->value_ + offset, false, NULL);
1049 } CYCatch(NULL) }
1050
1051 static bool CString_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1052     CYPool pool;
1053     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1054
1055     ssize_t offset;
1056     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1057         offset = 0;
1058     else if (!CYGetOffset(pool, context, property, offset))
1059         return false;
1060
1061     sig::Primitive<char> type;
1062     type.PoolFFI(NULL, context, type.GetFFI(pool), internal->value_ + offset, value);
1063     return true;
1064 } CYCatch(false) }
1065
1066 static bool Index_(CYPool &pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
1067     Type_privateData *typical(internal->type_);
1068     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1069     if (type == NULL)
1070         return false;
1071
1072     const char *name(CYPoolCString(pool, context, property));
1073     size_t length(strlen(name));
1074     double number(CYCastDouble(name, length));
1075
1076     size_t count(type->signature.count);
1077
1078     if (std::isnan(number)) {
1079         if (property == NULL)
1080             return false;
1081
1082         sig::Element *elements(type->signature.elements);
1083
1084         for (size_t local(0); local != count; ++local) {
1085             sig::Element *element(&elements[local]);
1086             if (element->name != NULL && strcmp(name, element->name) == 0) {
1087                 index = local;
1088                 goto base;
1089             }
1090         }
1091
1092         return false;
1093     } else {
1094         index = static_cast<ssize_t>(number);
1095         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
1096             return false;
1097     }
1098
1099   base:
1100     ffi_type **elements(typical->GetFFI()->elements);
1101
1102     size_t offset(0);
1103     for (ssize_t local(0); local != index; ++local) {
1104         offset += elements[local]->size;
1105         CYAlign(offset, elements[local + 1]->alignment);
1106     }
1107
1108     base = reinterpret_cast<uint8_t *>(internal->value_) + offset;
1109     return true;
1110 }
1111
1112 static void *Offset_(CYPool &pool, JSContextRef context, JSStringRef property, void *data, ffi_type *ffi) {
1113     ssize_t offset;
1114     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1115         offset = 0;
1116     else if (!CYGetOffset(pool, context, property, offset))
1117         return NULL;
1118     return reinterpret_cast<uint8_t *>(data) + ffi->size * offset;
1119 }
1120
1121 static JSValueRef Offset_getProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSObjectRef owner) {
1122     ffi_type *ffi(typical->GetFFI());
1123     void *base(Offset_(pool, context, property, data, ffi));
1124     if (base == NULL)
1125         return NULL;
1126     return typical->type_->FromFFI(context, ffi, base, false, owner);
1127 }
1128
1129 static bool Offset_setProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSValueRef value) {
1130     ffi_type *ffi(typical->GetFFI());
1131     void *base(Offset_(pool, context, property, data, ffi));
1132     if (base == NULL)
1133         return false;
1134
1135     typical->type_->PoolFFI(NULL, context, ffi, base, value);
1136     return true;
1137 }
1138
1139 static JSValueRef CArray_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1140     CYPool pool;
1141     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1142     if (JSStringIsEqual(property, length_s))
1143         return CYCastJSValue(context, internal->length_);
1144     Type_privateData *typical(internal->type_);
1145     JSObjectRef owner(internal->owner_ ?: object);
1146     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1147 } CYCatch(NULL) }
1148
1149 static bool CArray_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1150     CYPool pool;
1151     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1152     Type_privateData *typical(internal->type_);
1153     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1154 } CYCatch(false) }
1155
1156 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1157     CYPool pool;
1158     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1159
1160     Type_privateData *typical(internal->type_);
1161
1162     if (sig::Function *function = dynamic_cast<sig::Function *>(typical->type_)) {
1163         if (!JSStringIsEqualToUTF8CString(property, "$cyi"))
1164             return NULL;
1165         return CYMakeFunctor(context, reinterpret_cast<void (*)()>(internal->value_), function->variadic, function->signature);
1166     }
1167
1168     JSObjectRef owner(internal->owner_ ?: object);
1169     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1170 } CYCatch(NULL) }
1171
1172 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1173     CYPool pool;
1174     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1175     Type_privateData *typical(internal->type_);
1176     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1177 } CYCatch(false) }
1178
1179 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1180     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
1181     Type_privateData *typical(internal->type_);
1182     return CYMakePointer(context, internal->value_, *typical->type_, typical->ffi_, _this);
1183 } CYCatch(NULL) }
1184
1185 static JSValueRef Struct_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1186     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1187     return CYMakeType(context, *internal->type_->type_);
1188 } CYCatch(NULL) }
1189
1190 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1191     CYPool pool;
1192     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1193     Type_privateData *typical(internal->type_);
1194     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1195
1196     ssize_t index;
1197     uint8_t *base;
1198
1199     if (!Index_(pool, context, internal, property, index, base))
1200         return NULL;
1201
1202     JSObjectRef owner(internal->owner_ ?: object);
1203
1204     return type->signature.elements[index].type->FromFFI(context, typical->GetFFI()->elements[index], base, false, owner);
1205 } CYCatch(NULL) }
1206
1207 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1208     CYPool pool;
1209     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1210     Type_privateData *typical(internal->type_);
1211     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1212
1213     ssize_t index;
1214     uint8_t *base;
1215
1216     if (!Index_(pool, context, internal, property, index, base))
1217         return false;
1218
1219     type->signature.elements[index].type->PoolFFI(NULL, context, typical->GetFFI()->elements[index], base, value);
1220     return true;
1221 } CYCatch(false) }
1222
1223 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1224     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1225     Type_privateData *typical(internal->type_);
1226     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1227
1228     if (type == NULL)
1229         return;
1230
1231     size_t count(type->signature.count);
1232     sig::Element *elements(type->signature.elements);
1233
1234     char number[32];
1235
1236     for (size_t index(0); index != count; ++index) {
1237         const char *name;
1238         name = elements[index].name;
1239
1240         if (name == NULL) {
1241             sprintf(number, "%zu", index);
1242             name = number;
1243         }
1244
1245         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1246     }
1247 }
1248
1249 static sig::Void Void_;
1250 static sig::Pointer PointerToVoid_(Void_);
1251
1252 static sig::Type *CYGetType(CYPool &pool, JSContextRef context, JSValueRef value) {
1253     if (JSValueIsNull(context, value))
1254         return &PointerToVoid_;
1255     JSObjectRef object(CYCastJSObject(context, value));
1256     JSObjectRef type(CYCastJSObject(context, CYGetProperty(context, object, cyt_s)));
1257     _assert(JSValueIsObjectOfClass(context, type, CYPrivate<Type_privateData>::Class_));
1258     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(type)));
1259     return internal->type_;
1260 }
1261
1262 void CYCallFunction(CYPool &pool, JSContextRef context, ffi_cif *cif, void (*function)(), void *value, void **values) {
1263     ffi_call(cif, function, value, values);
1264 }
1265
1266 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)()) {
1267     size_t have(setups + count);
1268     size_t need(signature.count - 1);
1269
1270     if (have < need)
1271         throw CYJSError(context, "insufficient number of arguments to ffi function");
1272
1273     ffi_cif corrected;
1274     sig::Element *elements(signature.elements);
1275
1276     if (have > need) {
1277         if (!variadic)
1278             throw CYJSError(context, "exorbitant number of arguments to ffi function");
1279
1280         elements = new (pool) sig::Element[have + 1];
1281         memcpy(elements, signature.elements, sizeof(sig::Element) * (need + 1));
1282
1283         for (size_t index(need); index != have; ++index) {
1284             sig::Element &element(elements[index + 1]);
1285             element.name = NULL;
1286             element.offset = _not(size_t);
1287             element.type = CYGetType(pool, context, arguments[index - setups]);
1288         }
1289
1290         sig::Signature extended;
1291         extended.elements = elements;
1292         extended.count = have + 1;
1293         sig::sig_ffi_cif(pool, signature.count, extended, &corrected);
1294         cif = &corrected;
1295     }
1296
1297     void *values[have];
1298     memcpy(values, setup, sizeof(void *) * setups);
1299
1300     for (size_t index(setups); index != have; ++index) {
1301         sig::Element &element(elements[index + 1]);
1302         ffi_type *ffi(cif->arg_types[index]);
1303         values[index] = pool.malloc<uint8_t>(ffi->size, ffi->alignment);
1304         element.type->PoolFFI(&pool, context, ffi, values[index], arguments[index - setups]);
1305     }
1306
1307     CYBuffer buffer(context);
1308     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))));
1309
1310     void (*call)(CYPool &, JSContextRef, ffi_cif *, void (*)(), void *, void **) = &CYCallFunction;
1311     // XXX: this only supports one hook, but it is a bad idea anyway
1312     for (CYHook *hook : GetHooks())
1313         if (hook->CallFunction != NULL)
1314             call = hook->CallFunction;
1315
1316     call(pool, context, cif, function, value, values);
1317     return signature.elements[0].type->FromFFI(context, cif->rtype, value, initialize, buffer);
1318 }
1319
1320 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1321     CYPool pool;
1322     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1323     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, internal->variadic_, internal->signature_, &internal->cif_, internal->value_);
1324 } CYCatch(NULL) }
1325
1326 static JSValueRef Pointer_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1327     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1328     if (dynamic_cast<sig::Function *>(internal->type_->type_) == NULL)
1329         throw CYJSError(context, "cannot call a pointer to non-function");
1330     JSObjectRef functor(CYCastJSObject(context, CYGetProperty(context, object, cyi_s)));
1331     return CYCallAsFunction(context, functor, _this, count, arguments);
1332 } CYCatch(NULL) }
1333
1334 JSObjectRef CYMakeType(JSContextRef context, const sig::Type &type) {
1335     return CYPrivate<Type_privateData>::Make(context, type);
1336 }
1337
1338 extern "C" bool CYBridgeHash(CYPool &pool, CYUTF8String name, const char *&code, unsigned &flags) {
1339     sqlite3_stmt *statement;
1340
1341     _sqlcall(sqlite3_prepare(database_,
1342         "select "
1343             "\"cache\".\"code\", "
1344             "\"cache\".\"flags\" "
1345         "from \"cache\" "
1346         "where"
1347             " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM " and"
1348             " \"cache\".\"name\" = ?"
1349         " limit 1"
1350     , -1, &statement, NULL));
1351
1352     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
1353
1354     bool success;
1355     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE)
1356         success = false;
1357     else {
1358         success = true;
1359         code = sqlite3_column_pooled(pool, statement, 0);
1360         flags = sqlite3_column_int(statement, 1);
1361     }
1362
1363     _sqlcall(sqlite3_finalize(statement));
1364     return success;
1365 }
1366
1367 static bool All_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1368     if (JSStringIsEqualToUTF8CString(property, "errno"))
1369         return true;
1370
1371     JSObjectRef global(CYGetGlobalObject(context));
1372     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1373     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1374
1375     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1376         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1377             if (CYHasProperty(context, space, property))
1378                 return true;
1379
1380     CYPool pool;
1381     const char *code;
1382     unsigned flags;
1383     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags))
1384         return true;
1385
1386     return false;
1387 }
1388
1389 static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1390     if (JSStringIsEqualToUTF8CString(property, "errno"))
1391         return CYCastJSValue(context, errno);
1392
1393     JSObjectRef global(CYGetGlobalObject(context));
1394     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1395     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1396
1397     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1398         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1399             if (JSValueRef value = CYGetProperty(context, space, property))
1400                 if (!JSValueIsUndefined(context, value))
1401                     return value;
1402
1403     CYPool pool;
1404     const char *code;
1405     unsigned flags;
1406     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags)) {
1407         CYUTF8String parsed;
1408
1409         try {
1410             parsed = CYPoolCode(pool, code);
1411         } catch (const CYException &error) {
1412             CYThrow("%s", pool.strcat("error caching ", CYPoolCString(pool, context, property), ": ", error.PoolCString(pool), NULL));
1413         }
1414
1415         JSObjectRef cache(CYGetCachedObject(context, CYJSString("cache")));
1416
1417         JSObjectRef stub;
1418         if (flags == CYBridgeType) {
1419             stub = CYMakeType(context, sig::Void());
1420             CYSetProperty(context, cache, property, stub);
1421         } else
1422             stub = NULL;
1423
1424         JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(parsed), NULL, NULL, 0));
1425
1426         switch (flags) {
1427             case CYBridgeVoid: {
1428             } break;
1429
1430             case CYBridgeHold: {
1431                 CYSetProperty(context, cache, property, value);
1432             } break;
1433
1434             case CYBridgeType: {
1435                 JSObjectRef swap(CYCastJSObject(context, value));
1436                 void *source(JSObjectGetPrivate(swap));
1437                 _assert(source != NULL);
1438                 void *target(JSObjectGetPrivate(stub));
1439                 _assert(JSObjectSetPrivate(swap, target));
1440                 _assert(JSObjectSetPrivate(stub, source));
1441                 value = stub;
1442             } break;
1443         }
1444
1445         return value;
1446     }
1447
1448     return NULL;
1449 } CYCatch(NULL) }
1450
1451 static JSValueRef All_complete_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1452     _assert(count == 1 || count == 2);
1453     CYPool pool;
1454     CYUTF8String prefix(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
1455
1456     JSObjectRef array(NULL);
1457
1458     {
1459     CYArrayBuilder<1024> values(context, array);
1460
1461     sqlite3_stmt *statement;
1462
1463     if (prefix.size == 0)
1464         _sqlcall(sqlite3_prepare(database_,
1465             "select "
1466                 "\"cache\".\"name\" "
1467             "from \"cache\" "
1468             "where"
1469                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1470         , -1, &statement, NULL));
1471     else {
1472         _sqlcall(sqlite3_prepare(database_,
1473             "select "
1474                 "\"cache\".\"name\" "
1475             "from \"cache\" "
1476             "where"
1477                 " \"cache\".\"name\" >= ? and \"cache\".\"name\" < ? and "
1478                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1479         , -1, &statement, NULL));
1480
1481         _sqlcall(sqlite3_bind_text(statement, 1, prefix.data, prefix.size, SQLITE_STATIC));
1482
1483         char *after(pool.strndup(prefix.data, prefix.size));
1484         ++after[prefix.size - 1];
1485         _sqlcall(sqlite3_bind_text(statement, 2, after, prefix.size, SQLITE_STATIC));
1486     }
1487
1488     while (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE)
1489         values(CYCastJSValue(context, CYJSString(sqlite3_column_string(statement, 0))));
1490
1491     _sqlcall(sqlite3_finalize(statement));
1492     }
1493
1494     return array;
1495 } CYCatch(NULL) }
1496
1497 static void All_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1498     JSObjectRef global(CYGetGlobalObject(context));
1499     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1500     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1501
1502     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1503         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) {
1504             JSPropertyNameArrayRef subset(JSObjectCopyPropertyNames(context, space));
1505             for (size_t index(0), count(JSPropertyNameArrayGetCount(subset)); index != count; ++index)
1506                 JSPropertyNameAccumulatorAddName(names, JSPropertyNameArrayGetNameAtIndex(subset, index));
1507             JSPropertyNameArrayRelease(subset);
1508         }
1509 }
1510
1511 static JSObjectRef CArray_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1512     _assert(false);
1513 } CYCatchObject() }
1514
1515 static JSObjectRef CString_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1516     _assert(false);
1517 } CYCatchObject() }
1518
1519 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1520     _assert(false);
1521 } CYCatchObject() }
1522
1523 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1524     CYPool pool;
1525
1526     if (false) {
1527     } else if (count == 1) {
1528         switch (JSValueGetType(context, arguments[0])) {
1529             case kJSTypeString: {
1530                 const char *encoding(CYPoolCString(pool, context, arguments[0]));
1531                 sig::Signature signature;
1532                 sig::Parse(pool, &signature, encoding, &Structor_);
1533                 return CYMakeType(context, *signature.elements[0].type);
1534             } break;
1535
1536             case kJSTypeObject: {
1537                 // XXX: accept a set of enum constants and /guess/ at their size
1538                 _assert(false);
1539             } break;
1540
1541             default:
1542                 throw CYJSError(context, "incorrect kind of argument to new Type");
1543         }
1544     } else if (count == 2) {
1545         JSObjectRef types(CYCastJSObject(context, arguments[0]));
1546         size_t count(CYArrayLength(context, types));
1547
1548         JSObjectRef names(CYCastJSObject(context, arguments[1]));
1549
1550         sig::Aggregate type(false);
1551         type.signature.elements = new(pool) sig::Element[count];
1552         type.signature.count = count;
1553
1554         for (size_t i(0); i != count; ++i) {
1555             sig::Element &element(type.signature.elements[i]);
1556             element.offset = _not(size_t);
1557
1558             JSValueRef name(CYArrayGet(context, names, i));
1559             if (JSValueIsUndefined(context, name))
1560                 element.name = NULL;
1561             else
1562                 element.name = CYPoolCString(pool, context, name);
1563
1564             JSObjectRef object(CYCastJSObject(context, CYArrayGet(context, types, i)));
1565             _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1566             Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1567             element.type = internal->type_;
1568             _assert(element.type != NULL);
1569         }
1570
1571         return CYMakeType(context, type);
1572     } else {
1573         throw CYJSError(context, "incorrect number of arguments to Type constructor");
1574     }
1575 } CYCatchObject() }
1576
1577 static JSValueRef Type_callAsFunction_$With(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], sig::Callable &type, JSValueRef *exception) { CYTry {
1578     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1579
1580     CYPool pool;
1581
1582     type.signature.elements = new(pool) sig::Element[1 + count];
1583     type.signature.count = 1 + count;
1584
1585     type.signature.elements[0].name = NULL;
1586     type.signature.elements[0].type = internal->type_;
1587     type.signature.elements[0].offset = _not(size_t);
1588
1589     for (size_t i(0); i != count; ++i) {
1590         sig::Element &element(type.signature.elements[i + 1]);
1591         element.name = NULL;
1592         element.offset = _not(size_t);
1593
1594         JSObjectRef object(CYCastJSObject(context, arguments[i]));
1595         _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1596         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1597
1598         element.type = internal->type_;
1599     }
1600
1601     return CYMakeType(context, type);
1602 } CYCatch(NULL) }
1603
1604 static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1605     if (count != 1)
1606         throw CYJSError(context, "incorrect number of arguments to Type.arrayOf");
1607     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1608
1609     CYPool pool;
1610     size_t index(CYGetIndex(pool, context, CYJSString(context, arguments[0])));
1611     if (index == _not(size_t))
1612         throw CYJSError(context, "invalid array size used with Type.arrayOf");
1613
1614     sig::Array type(*internal->type_, index);
1615     return CYMakeType(context, type);
1616 } CYCatch(NULL) }
1617
1618 static JSValueRef Type_callAsFunction_blockWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1619 #ifdef CY_OBJECTIVEC
1620     sig::Block type;
1621     return Type_callAsFunction_$With(context, object, _this, count, arguments, type, exception);
1622 #else
1623     _assert(false);
1624 #endif
1625 }
1626
1627 static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1628     if (count != 0)
1629         throw CYJSError(context, "incorrect number of arguments to Type.constant");
1630     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1631
1632     CYPool pool;
1633     sig::Type *type(internal->type_->Copy(pool));
1634     type->flags |= JOC_TYPE_CONST;
1635     return CYMakeType(context, *type);
1636 } CYCatch(NULL) }
1637
1638 static JSValueRef Type_callAsFunction_enumFor(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1639     if (count != 1)
1640         throw CYJSError(context, "incorrect number of arguments to Type.enumFor");
1641     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1642
1643     CYPool pool;
1644
1645     JSObjectRef constants(CYCastJSObject(context, arguments[0]));
1646
1647     // XXX: this is, sadly, going to leak
1648     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, constants));
1649
1650     size_t count(JSPropertyNameArrayGetCount(names));
1651
1652     sig::Enum type(*internal->type_, count);
1653     type.constants = new(pool) sig::Constant[count];
1654
1655     for (size_t index(0); index != count; ++index) {
1656         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
1657         JSValueRef value(CYGetProperty(context, constants, name));
1658         _assert(JSValueGetType(context, value) == kJSTypeNumber);
1659         CYUTF8String string(CYPoolUTF8String(pool, context, name));
1660         type.constants[index].name = string.data;
1661         type.constants[index].value = CYCastDouble(context, value);
1662     }
1663
1664     JSPropertyNameArrayRelease(names);
1665
1666     return CYMakeType(context, type);
1667 } CYCatch(NULL) }
1668
1669 static JSValueRef Type_callAsFunction_functionWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1670     bool variadic(count != 0 && JSValueIsNull(context, arguments[count - 1]));
1671     sig::Function type(variadic);
1672     return Type_callAsFunction_$With(context, object, _this, variadic ? count - 1 : count, arguments, type, exception);
1673 }
1674
1675 static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1676     if (count != 0)
1677         throw CYJSError(context, "incorrect number of arguments to Type.pointerTo");
1678     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1679
1680     if (dynamic_cast<sig::Primitive<char> *>(internal->type_) != NULL)
1681         return CYMakeType(context, sig::String((internal->type_->flags & JOC_TYPE_CONST) != 0));
1682     else
1683         return CYMakeType(context, sig::Pointer(*internal->type_));
1684 } CYCatch(NULL) }
1685
1686 static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1687     if (count != 1)
1688         throw CYJSError(context, "incorrect number of arguments to Type.withName");
1689     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1690
1691     CYPool pool;
1692     return CYMakeType(context, *internal->type_->Copy(pool, CYPoolCString(pool, context, arguments[0])));
1693 } CYCatch(NULL) }
1694
1695 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1696     if (count != 1)
1697         throw CYJSError(context, "incorrect number of arguments to type cast function");
1698     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1699
1700     if (sig::Function *function = dynamic_cast<sig::Function *>(internal->type_))
1701         return CYMakeFunctor(context, arguments[0], function->variadic, function->signature);
1702
1703     CYBuffer buffer(context);
1704
1705     sig::Type *type(internal->type_);
1706     ffi_type *ffi(internal->GetFFI());
1707
1708     void *data;
1709     if (_this == NULL || CYIsStrictEqual(context, _this, CYGetGlobalObject(context)))
1710         data = buffer->malloc<void>(ffi->size, ffi->alignment);
1711     else {
1712         CYSetProperty(context, buffer, CYJSString("$cyo"), _this, kJSPropertyAttributeDontEnum);
1713         data = CYCastPointer<void *>(context, _this);
1714     }
1715
1716     type->PoolFFI(buffer, context, ffi, data, arguments[0]);
1717     JSValueRef value(type->FromFFI(context, ffi, data, false, buffer));
1718     return value;
1719 } CYCatch(NULL) }
1720
1721 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1722     if (count > 1)
1723         throw CYJSError(context, "incorrect number of arguments to Type allocator");
1724     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1725
1726     JSObjectRef pointer(CYMakePointer(context, NULL, *internal->type_, NULL, NULL));
1727     Pointer *value(reinterpret_cast<Pointer *>(JSObjectGetPrivate(pointer)));
1728
1729     sig::Type *type(internal->type_);
1730     ffi_type *ffi(internal->GetFFI());
1731     value->value_ = value->pool_->malloc<void>(ffi->size, ffi->alignment);
1732
1733     if (count == 0)
1734         memset(value->value_, 0, ffi->size);
1735     else
1736         type->PoolFFI(value->pool_, context, ffi, value->value_, arguments[0]);
1737
1738     return pointer;
1739 } CYCatchObject() }
1740
1741 // XXX: I don't even think the user should be allowed to do this
1742 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1743     if (count != 2)
1744         throw CYJSError(context, "incorrect number of arguments to Functor constructor");
1745     CYPool pool;
1746     const char *encoding(CYPoolCString(pool, context, arguments[1]));
1747     sig::Signature signature;
1748     sig::Parse(pool, &signature, encoding, &Structor_);
1749     // XXX: this can try to return null, and I guess then it just fails
1750     return CYCastJSObject(context, CYMakeFunctor(context, arguments[0], false, signature));
1751 } CYCatchObject() }
1752
1753 static JSValueRef CArray_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1754     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1755     JSObjectRef owner(internal->owner_ ?: object);
1756     return CYMakePointer(context, internal->value_, *internal->type_->type_, NULL, owner);
1757 } CYCatch(NULL) }
1758
1759 static JSValueRef CString_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1760     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1761     JSObjectRef owner(internal->owner_ ?: object);
1762     return CYMakePointer(context, internal->value_, sig::Primitive<char>(), NULL, owner);
1763 } CYCatch(NULL) }
1764
1765 static JSValueRef Functor_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1766     CYPool pool;
1767     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1768
1769     sig::Function type(internal->variadic_);
1770     sig::Copy(pool, type.signature, internal->signature_);
1771
1772     return CYMakePointer(context, reinterpret_cast<void *>(internal->value_), type, NULL, NULL);
1773 } CYCatch(NULL) }
1774
1775 static JSValueRef Pointer_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1776     return _this;
1777 } CYCatch(NULL) }
1778
1779 static JSValueRef CArray_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1780     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1781     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1782 } CYCatch(NULL) }
1783
1784 static JSValueRef Pointer_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1785     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1786     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1787 } CYCatch(NULL) }
1788
1789 static JSValueRef Functor_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1790     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1791     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1792 } CYCatch(NULL) }
1793
1794 static JSValueRef Functor_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1795     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1796     uint8_t *value(reinterpret_cast<uint8_t *>(internal->value_));
1797     _assert(value != NULL);
1798
1799     CYLocalPool pool;
1800
1801     sig::Function function(internal->variadic_);
1802     sig::Copy(pool, function.signature, internal->signature_);
1803
1804     CYPropertyName *name(internal->GetName(pool));
1805     auto typed(CYDecodeType(pool, &function));
1806
1807     std::ostringstream str;
1808     CYOptions options;
1809     CYOutput output(*str.rdbuf(), options);
1810     output.pretty_ = true;
1811     (new(pool) CYExternalExpression(new(pool) CYString("C"), typed, name))->Output(output, CYNoFlags);
1812     return CYCastJSValue(context, CYJSString(str.str()));
1813 } CYCatch(NULL) }
1814
1815 CYPropertyName *cy::Functor::GetName(CYPool &pool) const {
1816     Dl_info info;
1817     if (dladdr(reinterpret_cast<void *>(value_), &info) == 0 || strcmp(info.dli_sname, "<redacted>") == 0)
1818         return new(pool) CYNumber(reinterpret_cast<uintptr_t>(value_));
1819
1820     std::ostringstream str;
1821     str << info.dli_sname;
1822     off_t offset(reinterpret_cast<uint8_t *>(value_) - reinterpret_cast<uint8_t *>(info.dli_saddr));
1823     if (offset != 0)
1824         str << "+0x" << std::hex << offset;
1825     return new(pool) CYString(pool.strdup(str.str().c_str()));
1826 }
1827
1828 static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1829     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
1830
1831     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1832
1833     try {
1834         JSValueRef value(CYGetProperty(context, _this, cyi_s));
1835         if (!JSValueIsUndefined(context, value)) {
1836             CYPool pool;
1837             return CYCastJSValue(context, pool.strcat("&", CYPoolCCYON(pool, context, value, objects), NULL));
1838         }
1839     } catch (const CYException &e) {
1840         // XXX: it might be interesting to include this error
1841     }
1842
1843     CYLocalPool pool;
1844     std::ostringstream str;
1845
1846     sig::Pointer type(*internal->type_->type_);
1847
1848     CYOptions options;
1849     CYOutput output(*str.rdbuf(), options);
1850     (new(pool) CYTypeExpression(CYDecodeType(pool, &type)))->Output(output, CYNoFlags);
1851
1852     str << "(" << internal->value_ << ")";
1853     std::string value(str.str());
1854     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1855 } CYCatch(NULL) }
1856
1857 static JSValueRef CString_getProperty_length(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1858     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1859     return CYCastJSValue(context, strlen(internal->value_));
1860 } CYCatch(NULL) }
1861
1862 static JSValueRef CString_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1863     return CYMakeType(context, sig::String(true));
1864 } CYCatch(NULL) }
1865
1866 static JSValueRef CArray_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1867     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1868     sig::Array type(*internal->type_->type_, internal->length_);
1869     return CYMakeType(context, type);
1870 } CYCatch(NULL) }
1871
1872 static JSValueRef Pointer_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1873     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1874     sig::Pointer type(*internal->type_->type_);
1875     return CYMakeType(context, type);
1876 } CYCatch(NULL) }
1877
1878 static JSValueRef CString_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1879     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1880     const char *string(internal->value_);
1881     std::ostringstream str;
1882     if (string == NULL)
1883         str << "NULL";
1884     else {
1885         str << "&";
1886         CYStringify(str, string, strlen(string), CYStringifyModeNative);
1887     }
1888     std::string value(str.str());
1889     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1890 } CYCatch(NULL) }
1891
1892 static JSValueRef CString_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1893     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1894     return CYCastJSValue(context, internal->value_);
1895 } CYCatch(NULL) }
1896
1897 static JSValueRef Functor_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1898     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1899     CYPool pool;
1900     sig::Function type(internal->variadic_);
1901     sig::Copy(pool, type.signature, internal->signature_);
1902     return CYMakeType(context, type);
1903 } CYCatch(NULL) }
1904
1905 static JSValueRef Type_getProperty_alignment(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1906     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1907     return CYCastJSValue(context, internal->GetFFI()->alignment);
1908 } CYCatch(NULL) }
1909
1910 static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1911     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1912     return CYCastJSValue(context, internal->type_->GetName());
1913 } CYCatch(NULL) }
1914
1915 static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1916     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1917     return CYCastJSValue(context, internal->GetFFI()->size);
1918 } CYCatch(NULL) }
1919
1920 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1921     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1922     CYPool pool;
1923     const char *type(sig::Unparse(pool, internal->type_));
1924     return CYCastJSValue(context, CYJSString(type));
1925 } CYCatch(NULL) }
1926
1927 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1928     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1929     CYLocalPool pool;
1930     std::stringbuf out;
1931     CYOptions options;
1932     CYOutput output(out, options);
1933     output.pretty_ = true;
1934     (new(pool) CYTypeExpression(CYDecodeType(pool, internal->type_->Copy(pool, ""))))->Output(output, CYNoFlags);
1935     return CYCastJSValue(context, CYJSString(out.str().c_str()));
1936 } CYCatch(NULL) }
1937
1938 static JSStaticFunction All_staticFunctions[2] = {
1939     {"cy$complete", &All_complete_callAsFunction, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1940     {NULL, NULL, 0}
1941 };
1942
1943 static JSStaticFunction CArray_staticFunctions[3] = {
1944     {"toPointer", &CArray_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1945     {"valueOf", &CArray_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1946     {NULL, NULL, 0}
1947 };
1948
1949 static JSStaticValue CArray_staticValues[2] = {
1950     {"$cyt", &CArray_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1951     {NULL, NULL, NULL, 0}
1952 };
1953
1954 static JSStaticFunction CString_staticFunctions[5] = {
1955     {"toCYON", &CString_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1956     {"toPointer", &CString_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1957     {"toString", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1958     {"valueOf", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1959     {NULL, NULL, 0}
1960 };
1961
1962 static JSStaticValue CString_staticValues[3] = {
1963     {"length", &CString_getProperty_length, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1964     {"$cyt", &CString_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1965     {NULL, NULL, NULL, 0}
1966 };
1967
1968 static JSStaticFunction Pointer_staticFunctions[4] = {
1969     {"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1970     {"toPointer", &Pointer_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1971     {"valueOf", &Pointer_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1972     {NULL, NULL, 0}
1973 };
1974
1975 static JSStaticValue Pointer_staticValues[2] = {
1976     {"$cyt", &Pointer_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1977     {NULL, NULL, NULL, 0}
1978 };
1979
1980 static JSStaticFunction Struct_staticFunctions[2] = {
1981     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1982     {NULL, NULL, 0}
1983 };
1984
1985 static JSStaticValue Struct_staticValues[2] = {
1986     {"$cyt", &Struct_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1987     {NULL, NULL, NULL, 0}
1988 };
1989
1990 static JSStaticFunction Functor_staticFunctions[4] = {
1991     {"$cya", &Functor_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1992     {"toCYON", &Functor_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1993     {"valueOf", &Functor_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1994     {NULL, NULL, 0}
1995 };
1996
1997 static JSStaticValue Functor_staticValues[2] = {
1998     {"$cyt", &Functor_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1999     {NULL, NULL, NULL, 0}
2000 };
2001
2002 static JSStaticValue Type_staticValues[4] = {
2003     {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2004     {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2005     {"size", &Type_getProperty_size, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2006     {NULL, NULL, NULL, 0}
2007 };
2008
2009 static JSStaticFunction Type_staticFunctions[10] = {
2010     {"arrayOf", &Type_callAsFunction_arrayOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2011     {"blockWith", &Type_callAsFunction_blockWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2012     {"constant", &Type_callAsFunction_constant, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2013     {"enumFor", &Type_callAsFunction_enumFor, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2014     {"functionWith", &Type_callAsFunction_functionWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2015     {"pointerTo", &Type_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2016     {"withName", &Type_callAsFunction_withName, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2017     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2018     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2019     {NULL, NULL, 0}
2020 };
2021
2022 _visible void CYSetArgs(const char *argv0, const char *script, int argc, const char *argv[]) {
2023     JSContextRef context(CYGetJSContext());
2024     JSValueRef args[argc + 2];
2025     for (int i(0); i != argc; ++i)
2026         args[i + 2] = CYCastJSValue(context, argv[i]);
2027
2028     size_t offset;
2029     if (script == NULL)
2030         offset = 1;
2031     else {
2032         offset = 0;
2033         args[1] = CYCastJSValue(context, CYJSString(script));
2034     }
2035
2036     args[offset] = CYCastJSValue(context, CYJSString(argv0));
2037
2038     CYSetProperty(context, CYGetCachedObject(context, CYJSString("System")), CYJSString("args"), CYObjectMakeArray(context, argc, args + 2));
2039     CYSetProperty(context, CYGetCachedObject(context, CYJSString("process")), CYJSString("argv"), CYObjectMakeArray(context, argc + 2 - offset, args + offset));
2040 }
2041
2042 JSObjectRef CYGetGlobalObject(JSContextRef context) {
2043     return JSContextGetGlobalObject(context);
2044 }
2045
2046 // XXX: this is neither exceptin safe nor even terribly sane
2047 class ExecutionHandle {
2048   private:
2049     JSContextRef context_;
2050     std::vector<void *> handles_;
2051
2052   public:
2053     ExecutionHandle(JSContextRef context) :
2054         context_(context)
2055     {
2056         handles_.resize(GetHooks().size());
2057         for (size_t i(0); i != GetHooks().size(); ++i) {
2058             CYHook *hook(GetHooks()[i]);
2059             if (hook->ExecuteStart != NULL)
2060                 handles_[i] = (*hook->ExecuteStart)(context_);
2061             else
2062                 handles_[i] = NULL;
2063         }
2064     }
2065
2066     ~ExecutionHandle() {
2067         for (size_t i(GetHooks().size()); i != 0; --i) {
2068             CYHook *hook(GetHooks()[i-1]);
2069             if (hook->ExecuteEnd != NULL)
2070                 (*hook->ExecuteEnd)(context_, handles_[i-1]);
2071         }
2072     }
2073 };
2074
2075 #ifndef __ANDROID__
2076 static volatile bool cancel_;
2077
2078 static bool CYShouldTerminate(JSContextRef context, void *arg) {
2079     return cancel_;
2080 }
2081 #endif
2082
2083 _visible const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) {
2084     ExecutionHandle handle(context);
2085
2086 #ifndef __ANDROID__
2087     cancel_ = false;
2088     if (&JSContextGroupSetExecutionTimeLimit != NULL)
2089         JSContextGroupSetExecutionTimeLimit(JSContextGetGroup(context), 0.5, &CYShouldTerminate, NULL);
2090 #endif
2091
2092     try {
2093         JSValueRef result(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2094         if (JSValueIsUndefined(context, result))
2095             return NULL;
2096
2097         std::set<void *> objects;
2098         const char *json(_jsccall(CYPoolCCYON, pool, context, result, objects));
2099         CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
2100
2101         return json;
2102     } catch (const CYException &error) {
2103         return pool.strcat("throw ", error.PoolCString(pool), NULL);
2104     }
2105 }
2106
2107 #ifndef __ANDROID__
2108 _visible void CYCancel() {
2109     cancel_ = true;
2110 }
2111 #endif
2112
2113 const char *CYPoolLibraryPath(CYPool &pool);
2114
2115 static bool initialized_ = false;
2116
2117 void CYInitializeDynamic() {
2118     if (!initialized_)
2119         initialized_ = true;
2120     else return;
2121
2122     CYPool pool;
2123     const char *db(pool.strcat(CYPoolLibraryPath(pool), "/libcycript.db", NULL));
2124     _sqlcall(sqlite3_open_v2(db, &database_, SQLITE_OPEN_READONLY, NULL));
2125
2126     JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
2127     JSSynchronousGarbageCollectForDebugging$ = reinterpret_cast<void (*)(JSContextRef)>(dlsym(RTLD_DEFAULT, "JSSynchronousGarbageCollectForDebugging"));
2128
2129     JSClassDefinition definition;
2130
2131     definition = kJSClassDefinitionEmpty;
2132     definition.className = "All";
2133     definition.staticFunctions = All_staticFunctions;
2134     definition.hasProperty = &All_hasProperty;
2135     definition.getProperty = &All_getProperty;
2136     definition.getPropertyNames = &All_getPropertyNames;
2137     All_ = JSClassCreate(&definition);
2138
2139     definition = kJSClassDefinitionEmpty;
2140     definition.className = "Context";
2141     definition.finalize = &CYFinalize;
2142     CYPrivate<Context>::Class_ = JSClassCreate(&definition);
2143
2144     definition = kJSClassDefinitionEmpty;
2145     definition.className = "CArray";
2146     definition.staticFunctions = CArray_staticFunctions;
2147     definition.staticValues = CArray_staticValues;
2148     definition.getProperty = &CArray_getProperty;
2149     definition.setProperty = &CArray_setProperty;
2150     definition.finalize = &CYFinalize;
2151     CYPrivate<CArray>::Class_ = JSClassCreate(&definition);
2152
2153     definition = kJSClassDefinitionEmpty;
2154     definition.className = "CString";
2155     definition.staticFunctions = CString_staticFunctions;
2156     definition.staticValues = CString_staticValues;
2157     definition.getProperty = &CString_getProperty;
2158     definition.setProperty = &CString_setProperty;
2159     definition.finalize = &CYFinalize;
2160     CYPrivate<CString>::Class_ = JSClassCreate(&definition);
2161
2162     definition = kJSClassDefinitionEmpty;
2163     definition.className = "Functor";
2164     definition.staticFunctions = Functor_staticFunctions;
2165     definition.staticValues = Functor_staticValues;
2166     definition.callAsFunction = &Functor_callAsFunction;
2167     definition.finalize = &CYFinalize;
2168     cy::Functor::Class_ = JSClassCreate(&definition);
2169
2170     definition = kJSClassDefinitionEmpty;
2171     definition.className = "Pointer";
2172     definition.staticFunctions = Pointer_staticFunctions;
2173     definition.staticValues = Pointer_staticValues;
2174     definition.callAsFunction = &Pointer_callAsFunction;
2175     definition.getProperty = &Pointer_getProperty;
2176     definition.setProperty = &Pointer_setProperty;
2177     definition.finalize = &CYFinalize;
2178     CYPrivate<Pointer>::Class_ = JSClassCreate(&definition);
2179
2180     definition = kJSClassDefinitionEmpty;
2181     definition.className = "Root";
2182     definition.finalize = &CYFinalize;
2183     CYPrivate<CYRoot>::Class_ = JSClassCreate(&definition);
2184
2185     definition = kJSClassDefinitionEmpty;
2186     definition.className = "Struct";
2187     definition.staticFunctions = Struct_staticFunctions;
2188     definition.staticValues = Struct_staticValues;
2189     definition.getProperty = &Struct_getProperty;
2190     definition.setProperty = &Struct_setProperty;
2191     definition.getPropertyNames = &Struct_getPropertyNames;
2192     definition.finalize = &CYFinalize;
2193     CYPrivate<Struct_privateData>::Class_ = JSClassCreate(&definition);
2194
2195     definition = kJSClassDefinitionEmpty;
2196     definition.className = "Type";
2197     definition.staticValues = Type_staticValues;
2198     definition.staticFunctions = Type_staticFunctions;
2199     definition.callAsFunction = &Type_callAsFunction;
2200     definition.callAsConstructor = &Type_callAsConstructor;
2201     definition.finalize = &CYFinalize;
2202     CYPrivate<Type_privateData>::Class_ = JSClassCreate(&definition);
2203
2204     definition = kJSClassDefinitionEmpty;
2205     definition.className = "Global";
2206     //definition.getProperty = &Global_getProperty;
2207     Global_ = JSClassCreate(&definition);
2208
2209     Array_s = JSStringCreateWithUTF8CString("Array");
2210     constructor_s = JSStringCreateWithUTF8CString("constructor");
2211     cy_s = JSStringCreateWithUTF8CString("$cy");
2212     cyi_s = JSStringCreateWithUTF8CString("$cyi");
2213     cyt_s = JSStringCreateWithUTF8CString("$cyt");
2214     length_s = JSStringCreateWithUTF8CString("length");
2215     message_s = JSStringCreateWithUTF8CString("message");
2216     name_s = JSStringCreateWithUTF8CString("name");
2217     pop_s = JSStringCreateWithUTF8CString("pop");
2218     prototype_s = JSStringCreateWithUTF8CString("prototype");
2219     push_s = JSStringCreateWithUTF8CString("push");
2220     splice_s = JSStringCreateWithUTF8CString("splice");
2221     toCYON_s = JSStringCreateWithUTF8CString("toCYON");
2222     toJSON_s = JSStringCreateWithUTF8CString("toJSON");
2223     toPointer_s = JSStringCreateWithUTF8CString("toPointer");
2224     toString_s = JSStringCreateWithUTF8CString("toString");
2225     weak_s = JSStringCreateWithUTF8CString("weak");
2226
2227     Result_ = JSStringCreateWithUTF8CString("_");
2228
2229     for (CYHook *hook : GetHooks())
2230         if (hook->Initialize != NULL)
2231             (*hook->Initialize)();
2232 }
2233
2234 void CYThrow(JSContextRef context, JSValueRef value) {
2235     if (value != NULL)
2236         throw CYJSError(context, value);
2237 }
2238
2239 const char *CYJSError::PoolCString(CYPool &pool) const {
2240     std::set<void *> objects;
2241     // XXX: this used to be CYPoolCString
2242     return CYPoolCCYON(pool, context_, value_, objects);
2243 }
2244
2245 JSValueRef CYJSError::CastJSValue(JSContextRef context, const char *name) const {
2246     // XXX: what if the context is different? or the name? I dunno. ("epic" :/)
2247     return value_;
2248 }
2249
2250 JSValueRef CYCastJSError(JSContextRef context, const char *name, const char *message) {
2251     JSObjectRef Error(CYGetCachedObject(context, CYJSString(name)));
2252     JSValueRef arguments[1] = {CYCastJSValue(context, message)};
2253     return _jsccall(JSObjectCallAsConstructor, context, Error, 1, arguments);
2254 }
2255
2256 JSValueRef CYPoolError::CastJSValue(JSContextRef context, const char *name) const {
2257     return CYCastJSError(context, name, message_);
2258 }
2259
2260 CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
2261     _assert(context != NULL);
2262
2263     CYPool pool;
2264
2265     va_list args;
2266     va_start(args, format);
2267     // XXX: there might be a beter way to think about this
2268     const char *message(pool.vsprintf(64, format, args));
2269     va_end(args);
2270
2271     value_ = CYCastJSError(context, "Error", message);
2272 }
2273
2274 JSGlobalContextRef CYGetJSContext(JSContextRef context) {
2275     return reinterpret_cast<Context *>(JSObjectGetPrivate(CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s))))->context_;
2276 }
2277
2278 #ifdef __ANDROID__
2279 char *CYPoolLibraryPath_(CYPool &pool) {
2280     FILE *maps(fopen("/proc/self/maps", "r"));
2281     struct F { FILE *f; F(FILE *f) : f(f) {}
2282         ~F() { fclose(f); } } f(maps);
2283
2284     size_t function(reinterpret_cast<size_t>(&CYPoolLibraryPath));
2285
2286     for (;;) {
2287         size_t start; size_t end; char flags[8]; unsigned long long offset;
2288         int major; int minor; unsigned long long inode; char file[1024];
2289         int count(fscanf(maps, "%zx-%zx %7s %llx %x:%x %llu%[ ]%1024[^\n]\n",
2290             &start, &end, flags, &offset, &major, &minor, &inode, file, file));
2291         if (count < 8) break; else if (start <= function && function < end)
2292             return pool.strdup(file);
2293     }
2294
2295     _assert(false);
2296 }
2297 #else
2298 char *CYPoolLibraryPath_(CYPool &pool) {
2299     Dl_info addr;
2300     _assert(dladdr(reinterpret_cast<void *>(&CYPoolLibraryPath), &addr) != 0);
2301     return pool.strdup(addr.dli_fname);
2302 }
2303 #endif
2304
2305 const char *CYPoolLibraryPath(CYPool &pool) {
2306     char *lib(CYPoolLibraryPath_(pool));
2307
2308     char *slash(strrchr(lib, '/'));
2309     if (slash == NULL)
2310         return ".";
2311     *slash = '\0';
2312
2313     slash = strrchr(lib, '/');
2314     if (slash != NULL) {
2315         if (strcmp(slash, "/.libs") == 0)
2316             *slash = '\0';
2317     } else if (strcmp(lib, ".libs") == 0)
2318         return ".";
2319
2320     return lib;
2321 }
2322
2323 static JSValueRef require_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2324     _assert(count == 1);
2325     CYPool pool;
2326
2327     CYUTF8String name(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
2328     if (memchr(name.data, '/', name.size) == NULL && (
2329 #ifdef __APPLE__
2330         dlopen(pool.strcat("/System/Library/Frameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2331         dlopen(pool.strcat("/System/Library/PrivateFrameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2332 #endif
2333     false))
2334         return CYJSUndefined(context);
2335
2336     CYJSString path;
2337     CYUTF8String code;
2338
2339     sqlite3_stmt *statement;
2340
2341     _sqlcall(sqlite3_prepare(database_,
2342         "select "
2343             "\"module\".\"code\", "
2344             "\"module\".\"flags\" "
2345         "from \"module\" "
2346         "where"
2347             " \"module\".\"name\" = ?"
2348         " limit 1"
2349     , -1, &statement, NULL));
2350
2351     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
2352
2353     if (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE) {
2354         code.data = static_cast<const char *>(sqlite3_column_blob(statement, 0));
2355         code.size = sqlite3_column_bytes(statement, 0);
2356         path = CYJSString(name);
2357         code = CYPoolUTF8String(pool, code);
2358     } else {
2359         JSObjectRef resolve(CYCastJSObject(context, CYGetProperty(context, object, CYJSString("resolve"))));
2360         path = CYJSString(context, CYCallAsFunction(context, resolve, NULL, 1, arguments));
2361     }
2362
2363     _sqlcall(sqlite3_finalize(statement));
2364
2365     CYJSString property("exports");
2366
2367     JSObjectRef modules(CYGetCachedObject(context, CYJSString("modules")));
2368     JSValueRef cache(CYGetProperty(context, modules, path));
2369
2370     JSValueRef result;
2371     if (!JSValueIsUndefined(context, cache)) {
2372         JSObjectRef module(CYCastJSObject(context, cache));
2373         result = CYGetProperty(context, module, property);
2374     } else {
2375         if (code.data == NULL) {
2376             code = CYPoolFileUTF8String(pool, CYPoolCString(pool, context, path));
2377             _assert(code.data != NULL);
2378         }
2379
2380         size_t length(name.size);
2381         if (length >= 5 && strncmp(name.data + length - 5, ".json", 5) == 0) {
2382             JSObjectRef JSON(CYGetCachedObject(context, CYJSString("JSON")));
2383             JSObjectRef parse(CYCastJSObject(context, CYGetProperty(context, JSON, CYJSString("parse"))));
2384             JSValueRef arguments[1] = { CYCastJSValue(context, CYJSString(code)) };
2385             result = CYCallAsFunction(context, parse, JSON, 1, arguments);
2386         } else {
2387             JSObjectRef module(JSObjectMake(context, NULL, NULL));
2388             CYSetProperty(context, modules, path, module);
2389
2390             JSObjectRef exports(JSObjectMake(context, NULL, NULL));
2391             CYSetProperty(context, module, property, exports);
2392
2393             std::stringstream wrap;
2394             wrap << "(function (exports, require, module, __filename) { " << code << "\n});";
2395             code = CYPoolCode(pool, *wrap.rdbuf());
2396
2397             JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2398             JSObjectRef function(CYCastJSObject(context, value));
2399
2400             JSValueRef arguments[4] = { exports, object, module, CYCastJSValue(context, path) };
2401             CYCallAsFunction(context, function, NULL, 4, arguments);
2402             result = CYGetProperty(context, module, property);
2403         }
2404     }
2405
2406     return result;
2407 } CYCatch(NULL) }
2408
2409 static bool CYRunScript(JSGlobalContextRef context, const char *path) {
2410     CYPool pool;
2411     CYUTF8String code(CYPoolFileUTF8String(pool, pool.strcat(CYPoolLibraryPath(pool), path, NULL)));
2412     if (code.data == NULL)
2413         return false;
2414
2415     code = CYPoolCode(pool, code);
2416     _jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0);
2417     return true;
2418 }
2419
2420 extern "C" void CYDestroyWeak(JSWeakObjectMapRef weak, void *data) {
2421 }
2422
2423 extern "C" void CYSetupContext(JSGlobalContextRef context) {
2424     CYInitializeDynamic();
2425
2426     JSObjectRef global(CYGetGlobalObject(context));
2427
2428     JSObjectRef cy(CYPrivate<Context>::Make(context, context));
2429     CYSetProperty(context, global, cy_s, cy, kJSPropertyAttributeDontEnum);
2430
2431 /* Cache Globals {{{ */
2432     JSObjectRef Array(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array"))));
2433     CYSetProperty(context, cy, CYJSString("Array"), Array);
2434
2435     JSObjectRef Array_prototype(CYCastJSObject(context, CYGetProperty(context, Array, prototype_s)));
2436     CYSetProperty(context, cy, CYJSString("Array_prototype"), Array_prototype);
2437
2438     JSObjectRef Boolean(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Boolean"))));
2439     CYSetProperty(context, cy, CYJSString("Boolean"), Boolean);
2440
2441     JSObjectRef Boolean_prototype(CYCastJSObject(context, CYGetProperty(context, Boolean, prototype_s)));
2442     CYSetProperty(context, cy, CYJSString("Boolean_prototype"), Boolean_prototype);
2443
2444     JSObjectRef Error(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error"))));
2445     CYSetProperty(context, cy, CYJSString("Error"), Error);
2446
2447     JSObjectRef Function(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function"))));
2448     CYSetProperty(context, cy, CYJSString("Function"), Function);
2449
2450     JSObjectRef Function_prototype(CYCastJSObject(context, CYGetProperty(context, Function, prototype_s)));
2451     CYSetProperty(context, cy, CYJSString("Function_prototype"), Function_prototype);
2452
2453     JSObjectRef JSON(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("JSON"))));
2454     CYSetProperty(context, cy, CYJSString("JSON"), JSON);
2455
2456     JSObjectRef Number(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Number"))));
2457     CYSetProperty(context, cy, CYJSString("Number"), Number);
2458
2459     JSObjectRef Number_prototype(CYCastJSObject(context, CYGetProperty(context, Number, prototype_s)));
2460     CYSetProperty(context, cy, CYJSString("Number_prototype"), Number_prototype);
2461
2462     JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
2463     CYSetProperty(context, cy, CYJSString("Object"), Object);
2464
2465     JSObjectRef Object_prototype(CYCastJSObject(context, CYGetProperty(context, Object, prototype_s)));
2466     CYSetProperty(context, cy, CYJSString("Object_prototype"), Object_prototype);
2467
2468     JSObjectRef String(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String"))));
2469     CYSetProperty(context, cy, CYJSString("String"), String);
2470
2471     JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s)));
2472     CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype);
2473
2474     JSObjectRef SyntaxError(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("SyntaxError"))));
2475     CYSetProperty(context, cy, CYJSString("SyntaxError"), SyntaxError);
2476 /* }}} */
2477
2478     CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2479     CYSetProperty(context, String_prototype, toCYON_s, &String_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2480
2481     JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
2482     CYSetProperty(context, global, CYJSString("Cycript"), cycript);
2483     CYSetProperty(context, cycript, CYJSString("compile"), &Cycript_compile_callAsFunction);
2484     CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction);
2485
2486     JSObjectRef CArray(JSObjectMakeConstructor(context, CYPrivate<::CArray>::Class_, &CArray_new));
2487     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CArray, prototype_s)), Array_prototype);
2488     CYSetProperty(context, cycript, CYJSString("CArray"), CArray);
2489
2490     JSObjectRef CString(JSObjectMakeConstructor(context, CYPrivate<::CString>::Class_, &CString_new));
2491     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CString, prototype_s)), String_prototype);
2492     CYSetProperty(context, cycript, CYJSString("CString"), CString);
2493
2494     JSObjectRef Functor(JSObjectMakeConstructor(context, cy::Functor::Class_, &Functor_new));
2495     JSObjectRef Functor_prototype(CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)));
2496     CYSetPrototype(context, Functor_prototype, Function_prototype);
2497     CYSetProperty(context, cy, CYJSString("Functor_prototype"), Functor_prototype);
2498     CYSetProperty(context, cycript, CYJSString("Functor"), Functor);
2499
2500     CYSetProperty(context, cycript, CYJSString("Pointer"), JSObjectMakeConstructor(context, CYPrivate<Pointer>::Class_, &Pointer_new));
2501
2502     JSObjectRef Type(JSObjectMakeConstructor(context, CYPrivate<Type_privateData>::Class_, &Type_new));
2503     JSObjectRef Type_prototype(CYCastJSObject(context, CYGetProperty(context, Type, prototype_s)));
2504     CYSetPrototype(context, Type_prototype, Function_prototype);
2505     CYSetProperty(context, cy, CYJSString("Type_prototype"), Type_prototype);
2506     CYSetProperty(context, cycript, CYJSString("Type"), Type);
2507
2508     JSObjectRef Character_prototype(JSObjectMake(context, NULL, NULL));
2509     CYSetPrototype(context, Character_prototype, String_prototype);
2510     CYSetProperty(context, cy, CYJSString("Character_prototype"), Character_prototype);
2511     CYSetProperty(context, Character_prototype, CYJSString("valueOf"), _jsccall(JSEvaluateScript, context, CYJSString("(function(){return this.charCodeAt(0);})"), NULL, NULL, 0));
2512
2513     JSObjectRef modules(JSObjectMake(context, NULL, NULL));
2514     CYSetProperty(context, cy, CYJSString("modules"), modules);
2515
2516     JSObjectRef all(JSObjectMake(context, All_, NULL));
2517     CYSetProperty(context, cycript, CYJSString("all"), all);
2518
2519     JSObjectRef cache(JSObjectMake(context, NULL, NULL));
2520     CYSetProperty(context, cy, CYJSString("cache"), cache);
2521     CYSetPrototype(context, cache, all);
2522
2523     JSObjectRef alls(_jsccall(JSObjectCallAsConstructor, context, Array, 0, NULL));
2524     CYSetProperty(context, cycript, CYJSString("alls"), alls);
2525
2526     if (true) {
2527         JSObjectRef last(NULL), curr(global);
2528
2529         goto next; for (JSValueRef next;;) {
2530             if (JSValueIsNull(context, next))
2531                 break;
2532             last = curr;
2533             curr = CYCastJSObject(context, next);
2534           next:
2535             next = JSObjectGetPrototype(context, curr);
2536         }
2537
2538         CYSetPrototype(context, last, cache);
2539     }
2540
2541 #ifdef __APPLE__
2542     if (&JSWeakObjectMapCreate != NULL) {
2543         JSWeakObjectMapRef weak(JSWeakObjectMapCreate(context, NULL, &CYDestroyWeak));
2544         CYSetProperty(context, cy, weak_s, CYCastJSValue(context, reinterpret_cast<uintptr_t>(weak)));
2545     }
2546 #endif
2547
2548     CYSetProperty(context, String_prototype, cyt_s, CYMakeType(context, sig::String(true)), kJSPropertyAttributeDontEnum);
2549
2550     CYSetProperty(context, cache, CYJSString("dlerror"), CYMakeFunctor(context, "dlerror", "*"), kJSPropertyAttributeDontEnum);
2551     CYSetProperty(context, cache, CYJSString("RTLD_DEFAULT"), CYCastJSValue(context, reinterpret_cast<intptr_t>(RTLD_DEFAULT)), kJSPropertyAttributeDontEnum);
2552     CYSetProperty(context, cache, CYJSString("dlsym"), CYMakeFunctor(context, "dlsym", "^v^v*"), kJSPropertyAttributeDontEnum);
2553
2554     CYSetProperty(context, cache, CYJSString("NULL"), CYJSNull(context), kJSPropertyAttributeDontEnum);
2555
2556     CYSetProperty(context, cache, CYJSString("bool"), CYMakeType(context, sig::Primitive<bool>()), kJSPropertyAttributeDontEnum);
2557     CYSetProperty(context, cache, CYJSString("char"), CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
2558     CYSetProperty(context, cache, CYJSString("schar"), CYMakeType(context, sig::Primitive<signed char>()), kJSPropertyAttributeDontEnum);
2559     CYSetProperty(context, cache, CYJSString("uchar"), CYMakeType(context, sig::Primitive<unsigned char>()), kJSPropertyAttributeDontEnum);
2560
2561     CYSetProperty(context, cache, CYJSString("short"), CYMakeType(context, sig::Primitive<short>()), kJSPropertyAttributeDontEnum);
2562     CYSetProperty(context, cache, CYJSString("int"), CYMakeType(context, sig::Primitive<int>()), kJSPropertyAttributeDontEnum);
2563     CYSetProperty(context, cache, CYJSString("long"), CYMakeType(context, sig::Primitive<long>()), kJSPropertyAttributeDontEnum);
2564     CYSetProperty(context, cache, CYJSString("longlong"), CYMakeType(context, sig::Primitive<long long>()), kJSPropertyAttributeDontEnum);
2565
2566     CYSetProperty(context, cache, CYJSString("ushort"), CYMakeType(context, sig::Primitive<unsigned short>()), kJSPropertyAttributeDontEnum);
2567     CYSetProperty(context, cache, CYJSString("uint"), CYMakeType(context, sig::Primitive<unsigned int>()), kJSPropertyAttributeDontEnum);
2568     CYSetProperty(context, cache, CYJSString("ulong"), CYMakeType(context, sig::Primitive<unsigned long>()), kJSPropertyAttributeDontEnum);
2569     CYSetProperty(context, cache, CYJSString("ulonglong"), CYMakeType(context, sig::Primitive<unsigned long long>()), kJSPropertyAttributeDontEnum);
2570
2571 #ifdef __SIZEOF_INT128__
2572     CYSetProperty(context, cache, CYJSString("int128"), CYMakeType(context, sig::Primitive<__int128>()), kJSPropertyAttributeDontEnum);
2573     CYSetProperty(context, cache, CYJSString("uint128"), CYMakeType(context, sig::Primitive<unsigned __int128>()), kJSPropertyAttributeDontEnum);
2574 #endif
2575
2576     CYSetProperty(context, cache, CYJSString("float"), CYMakeType(context, sig::Primitive<float>()), kJSPropertyAttributeDontEnum);
2577     CYSetProperty(context, cache, CYJSString("double"), CYMakeType(context, sig::Primitive<double>()), kJSPropertyAttributeDontEnum);
2578     CYSetProperty(context, cache, CYJSString("longdouble"), CYMakeType(context, sig::Primitive<long double>()), kJSPropertyAttributeDontEnum);
2579
2580     CYSetProperty(context, global, CYJSString("require"), &require_callAsFunction, kJSPropertyAttributeDontEnum);
2581
2582     JSObjectRef System(JSObjectMake(context, NULL, NULL));
2583     CYSetProperty(context, all, CYJSString("system"), System);
2584     System = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("system")));
2585     CYSetProperty(context, cy, CYJSString("System"), System);
2586
2587     JSObjectRef process(JSObjectMake(context, NULL, NULL));
2588     CYSetProperty(context, global, CYJSString("process"), process);
2589     CYSetProperty(context, cy, CYJSString("process"), process);
2590
2591     CYSetProperty(context, System, CYJSString("args"), CYJSNull(context));
2592     CYSetProperty(context, System, CYJSString("print"), &System_print);
2593
2594     CYSetProperty(context, global, CYJSString("global"), global);
2595     CYSetProperty(context, global, CYJSString("print"), &Global_print);
2596
2597     for (CYHook *hook : GetHooks())
2598         if (hook->SetupContext != NULL)
2599             (*hook->SetupContext)(context);
2600
2601     CYArrayPush(context, alls, cycript);
2602
2603     CYRunScript(context, "/libcycript.cy");
2604 }
2605
2606 static JSGlobalContextRef context_;
2607
2608 _visible JSGlobalContextRef CYGetJSContext() {
2609     CYInitializeDynamic();
2610
2611     if (context_ == NULL) {
2612         context_ = JSGlobalContextCreate(Global_);
2613         CYSetupContext(context_);
2614     }
2615
2616     return context_;
2617 }
2618
2619 _visible void CYDestroyContext() {
2620     if (context_ == NULL)
2621         return;
2622     JSGlobalContextRelease(context_);
2623     context_ = NULL;
2624 }