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 CYUTF8String CYPoolUTF8String(CYPool &pool, JSContextRef context, JSStringRef value) {
 148     return CYPoolUTF8String(pool, CYCastUTF16String(value));
 149 }
 150
 151 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSStringRef value) {
 152     CYUTF8String utf8(CYPoolUTF8String(pool, context, value));
 153     _assert(memchr(utf8.data, '\0', utf8.size) == NULL);
 154     return utf8.data;
 155 }
 156
 157 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSValueRef value) {
 158     return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, context, CYJSString(context, value));
 159 }
 160 /* }}} */
 161 /* Index Offsets {{{ */
 162 size_t CYGetIndex(CYPool &pool, JSContextRef context, JSStringRef value) {
 163     return CYGetIndex(CYPoolUTF8String(pool, context, value));
 164 }
 165 /* }}} */
 166
 167 static JSObjectRef (*JSObjectMakeArray$)(JSContextRef, size_t, const JSValueRef[], JSValueRef *);
 168
 169 JSObjectRef CYObjectMakeArray(JSContextRef context, size_t length, const JSValueRef values[]) {
 170     if (JSObjectMakeArray$ != NULL)
 171         return _jsccall(*JSObjectMakeArray$, context, length, values);
 172     JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array")));
 173     bool wat(length == 1 && JSValueGetType(context, values[0]) == kJSTypeNumber);
 174     JSValueRef value(CYCallAsFunction(context, Array, NULL, wat ? 0 : length, values));
 175     JSObjectRef object(CYCastJSObject(context, value));
 176     if (wat) CYArrayPush(context, object, 1, values);
 177     return object;
 178 }
 179
 180 static JSClassRef All_;
 181 JSClassRef cy::Functor::Class_;
 182 static JSClassRef Global_;
 183
 184 JSStringRef Array_s;
 185 JSStringRef constructor_s;
 186 JSStringRef cy_s;
 187 JSStringRef cyi_s;
 188 JSStringRef cyt_s;
 189 JSStringRef cyt__s;
 190 JSStringRef length_s;
 191 JSStringRef message_s;
 192 JSStringRef name_s;
 193 JSStringRef pop_s;
 194 JSStringRef prototype_s;
 195 JSStringRef push_s;
 196 JSStringRef splice_s;
 197 JSStringRef toCYON_s;
 198 JSStringRef toJSON_s;
 199 JSStringRef toPointer_s;
 200 JSStringRef toString_s;
 201 JSStringRef weak_s;
 202
 203 static sqlite3 *database_;
 204
 205 static JSStringRef Result_;
 206
 207 void CYFinalize(JSObjectRef object) {
 208     CYData *internal(reinterpret_cast<CYData *>(JSObjectGetPrivate(object)));
 209     if (internal == NULL)
 210         return;
 211     _assert(internal->count_ != _not(unsigned));
 212     if (--internal->count_ == 0)
 213         delete internal;
 214 }
 215
 216 sig::Type *Structor_(CYPool &pool, sig::Aggregate *aggregate) {
 217     //_assert(false);
 218     return aggregate;
 219 }
 220
 221 struct Context :
 222     CYRoot
 223 {
 224     JSGlobalContextRef context_;
 225
 226     Context(JSGlobalContextRef context) :
 227         context_(context)
 228     {
 229     }
 230 };
 231
 232 struct CArray :
 233     CYRoot
 234 {
 235     void *value_;
 236     CYProtect owner_;
 237     Type_privateData *type_;
 238     size_t length_;
 239
 240     CArray(void *value, size_t length, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 241         value_(value),
 242         owner_(context, owner),
 243         type_(new(*pool_) Type_privateData(type, ffi)),
 244         length_(length)
 245     {
 246     }
 247 };
 248
 249 struct CString :
 250     CYRoot
 251 {
 252     char *value_;
 253     CYProtect owner_;
 254
 255     CString(char *value, JSContextRef context, JSObjectRef owner) :
 256         value_(value),
 257         owner_(context, owner)
 258     {
 259     }
 260 };
 261
 262 struct Pointer :
 263     CYRoot
 264 {
 265     void *value_;
 266     CYProtect owner_;
 267     Type_privateData *type_;
 268
 269     Pointer(void *value, const sig::Type &type, JSContextRef context, JSObjectRef owner) :
 270         value_(value),
 271         owner_(context, owner),
 272         type_(new(*pool_) Type_privateData(type))
 273     {
 274     }
 275
 276     Pointer(void *value, const char *encoding, JSContextRef context, JSObjectRef owner) :
 277         value_(value),
 278         owner_(context, owner),
 279         type_(new(*pool_) Type_privateData(encoding))
 280     {
 281     }
 282 };
 283
 284 struct Struct_privateData :
 285     CYRoot
 286 {
 287     void *value_;
 288     CYProtect owner_;
 289     Type_privateData *type_;
 290
 291     Struct_privateData(void *value, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 292         value_(value),
 293         owner_(context, owner),
 294         type_(new(*pool_) Type_privateData(type, ffi))
 295     {
 296         if (owner == NULL) {
 297             size_t size(ffi->size);
 298             void *copy(pool_->malloc<void>(size, ffi->alignment));
 299             memcpy(copy, value_, size);
 300             value_ = copy;
 301         }
 302     }
 303 };
 304
 305 static void *CYCastSymbol(const char *name) {
 306     for (CYHook *hook : GetHooks())
 307         if (hook->CastSymbol != NULL)
 308             if (void *value = (*hook->CastSymbol)(name))
 309                 return value;
 310     return dlsym(RTLD_DEFAULT, name);
 311 }
 312
 313 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
 314     return JSValueMakeBoolean(context, value);
 315 }
 316
 317 JSValueRef CYCastJSValue(JSContextRef context, double value) {
 318     return JSValueMakeNumber(context, value);
 319 }
 320
 321 #define CYCastJSValue_(Type_) \
 322     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
 323         _assert(static_cast<Type_>(static_cast<double>(value)) == value); \
 324         return JSValueMakeNumber(context, static_cast<double>(value)); \
 325     }
 326
 327 CYCastJSValue_(long double)
 328 CYCastJSValue_(signed short int)
 329 CYCastJSValue_(unsigned short int)
 330 CYCastJSValue_(signed int)
 331 CYCastJSValue_(unsigned int)
 332 CYCastJSValue_(signed long int)
 333 CYCastJSValue_(unsigned long int)
 334 CYCastJSValue_(signed long long int)
 335 CYCastJSValue_(unsigned long long int)
 336
 337 #ifdef __SIZEOF_INT128__
 338 CYCastJSValue_(signed __int128)
 339 CYCastJSValue_(unsigned __int128)
 340 #endif
 341
 342 JSValueRef CYJSUndefined(JSContextRef context) {
 343     return JSValueMakeUndefined(context);
 344 }
 345
 346 double CYCastDouble(JSContextRef context, JSValueRef value) {
 347     return _jsccall(JSValueToNumber, context, value);
 348 }
 349
 350 bool CYCastBool(JSContextRef context, JSValueRef value) {
 351     return JSValueToBoolean(context, value);
 352 }
 353
 354 JSValueRef CYJSNull(JSContextRef context) {
 355     return JSValueMakeNull(context);
 356 }
 357
 358 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) {
 359     return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value);
 360 }
 361
 362 JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
 363     return CYCastJSValue(context, CYJSString(value));
 364 }
 365
 366 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
 367     return _jsccall(JSValueToObject, context, value);
 368 }
 369
 370 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 371     return _jsccall(JSObjectCallAsFunction, context, function, _this, count, arguments);
 372 }
 373
 374 bool CYIsCallable(JSContextRef context, JSValueRef value) {
 375     return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value);
 376 }
 377
 378 bool CYIsEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) {
 379     return _jsccall(JSValueIsEqual, context, lhs, rhs);
 380 }
 381
 382 bool CYIsStrictEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) {
 383     return JSValueIsStrictEqual(context, lhs, rhs);
 384 }
 385
 386 size_t CYArrayLength(JSContextRef context, JSObjectRef array) {
 387     return CYCastDouble(context, CYGetProperty(context, array, length_s));
 388 }
 389
 390 JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index) {
 391     return _jsccall(JSObjectGetPropertyAtIndex, context, array, index);
 392 }
 393
 394 void CYArrayPush(JSContextRef context, JSObjectRef array, size_t length, const JSValueRef arguments[]) {
 395     JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype")));
 396     _jsccall(JSObjectCallAsFunction, context, CYCastJSObject(context, CYGetProperty(context, Array, push_s)), array, length, arguments);
 397 }
 398
 399 void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value) {
 400     return CYArrayPush(context, array, 1, &value);
 401 }
 402
 403 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 404     FILE *file(stdout);
 405
 406     if (count == 0)
 407         fputc('\n', file);
 408     else {
 409         CYPool pool;
 410         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 411         fwrite(string.data, string.size, 1, file);
 412     }
 413
 414     fflush(file);
 415     return CYJSUndefined(context);
 416 } CYCatch(NULL) }
 417
 418 static JSValueRef Global_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 419     FILE *file(stdout);
 420     CYPool pool;
 421
 422     for (size_t i(0); i != count; ++i) {
 423         if (i != 0)
 424             fputc(' ', file);
 425         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[i])));
 426         fwrite(string.data, string.size, 1, file);
 427     }
 428
 429     fputc('\n', file);
 430     fflush(file);
 431     return CYJSUndefined(context);
 432 } CYCatch(NULL) }
 433
 434 static void (*JSSynchronousGarbageCollectForDebugging$)(JSContextRef);
 435
 436 _visible void CYGarbageCollect(JSContextRef context) {
 437     (JSSynchronousGarbageCollectForDebugging$ ?: &JSGarbageCollect)(context);
 438 }
 439
 440 static JSValueRef Cycript_compile_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 441     CYPool pool;
 442     CYUTF8String before(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 443     CYUTF8String after(CYPoolCode(pool, before));
 444     return CYCastJSValue(context, CYJSString(after));
 445 } CYCatch_(NULL, "SyntaxError") }
 446
 447 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 448     CYGarbageCollect(context);
 449     return CYJSUndefined(context);
 450 } CYCatch(NULL) }
 451
 452 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects, JSValueRef *exception) { CYTry {
 453     switch (JSType type = JSValueGetType(context, value)) {
 454         case kJSTypeUndefined:
 455             return "undefined";
 456         case kJSTypeNull:
 457             return "null";
 458         case kJSTypeBoolean:
 459             return CYCastBool(context, value) ? "true" : "false";
 460
 461         case kJSTypeNumber: {
 462             std::ostringstream str;
 463             CYNumerify(str, CYCastDouble(context, value));
 464             std::string value(str.str());
 465             return pool.strmemdup(value.c_str(), value.size());
 466         } break;
 467
 468         case kJSTypeString: {
 469             std::ostringstream str;
 470             CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, value)));
 471             CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 472             std::string value(str.str());
 473             return pool.strmemdup(value.c_str(), value.size());
 474         } break;
 475
 476         case kJSTypeObject:
 477             return CYPoolCCYON(pool, context, (JSObjectRef) value, objects);
 478         default:
 479             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 480     }
 481 } CYCatch(NULL) }
 482
 483 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects) {
 484     return _jsccall(CYPoolCCYON, pool, context, value, objects);
 485 }
 486
 487 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> *objects) {
 488     if (objects != NULL)
 489         return CYPoolCCYON(pool, context, value, *objects);
 490     else {
 491         std::set<void *> objects;
 492         return CYPoolCCYON(pool, context, value, objects);
 493     }
 494 }
 495
 496 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object, std::set<void *> &objects) {
 497     JSValueRef toCYON(CYGetProperty(context, object, toCYON_s));
 498     if (CYIsCallable(context, toCYON)) {
 499         // XXX: this needs to be abstracted behind some kind of function
 500         JSValueRef arguments[1] = {CYCastJSValue(context, reinterpret_cast<uintptr_t>(&objects))};
 501         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 1, arguments));
 502         _assert(value != NULL);
 503         return CYPoolCString(pool, context, value);
 504     }
 505
 506     JSValueRef toJSON(CYGetProperty(context, object, toJSON_s));
 507     if (CYIsCallable(context, toJSON)) {
 508         JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 509         return _jsccall(CYPoolCCYON, pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), objects);
 510     }
 511
 512     if (JSObjectIsFunction(context, object)) {
 513         JSValueRef toString(CYGetProperty(context, object, toString_s));
 514         if (CYIsCallable(context, toString)) {
 515             JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 516             JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toString, object, 1, arguments));
 517             _assert(value != NULL);
 518             return CYPoolCString(pool, context, value);
 519         }
 520     }
 521
 522     _assert(objects.insert(object).second);
 523
 524     std::ostringstream str;
 525
 526     JSValueRef value(CYGetProperty(context, object, constructor_s));
 527     if (JSValueIsObject(context, value)) {
 528         JSObjectRef constructor(CYCastJSObject(context, value));
 529         JSValueRef theory(CYGetProperty(context, constructor, prototype_s));
 530         JSValueRef practice(JSObjectGetPrototype(context, object));
 531
 532         if (CYIsStrictEqual(context, theory, practice)) {
 533             JSValueRef name(CYGetProperty(context, constructor, name_s));
 534             if (!JSValueIsUndefined(context, name)) {
 535                 auto utf8(CYPoolUTF8String(pool, context, CYJSString(context, name)));
 536                 if (utf8 != "Object")
 537                     str << "new" << ' ' << utf8;
 538             }
 539         }
 540     }
 541
 542     str << '{';
 543
 544     // XXX: this is, sadly, going to leak
 545     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, object));
 546
 547     bool comma(false);
 548
 549     for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) {
 550         if (comma)
 551             str << ',';
 552         else
 553             comma = true;
 554
 555         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
 556         CYUTF8String string(CYPoolUTF8String(pool, context, name));
 557
 558         if (CYIsKey(string))
 559             str << string.data;
 560         else
 561             CYStringify(str, string.data, string.size, CYStringifyModeLegacy);
 562
 563         str << ':';
 564
 565         try {
 566             JSValueRef value(CYGetProperty(context, object, name));
 567             str << CYPoolCCYON(pool, context, value, objects);
 568         } catch (const CYException &error) {
 569             str << "@error";
 570         }
 571     }
 572
 573     JSPropertyNameArrayRelease(names);
 574
 575     str << '}';
 576
 577     std::string string(str.str());
 578     return pool.strmemdup(string.c_str(), string.size());
 579 }
 580
 581 std::set<void *> *CYCastObjects(JSContextRef context, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 582     if (count == 0)
 583         return NULL;
 584     return CYCastPointer<std::set<void *> *>(context, arguments[0]);
 585 }
 586
 587 static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 588     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
 589     // XXX: this is horribly inefficient
 590     std::set<void *> backup;
 591     if (objects == NULL)
 592         objects = &backup;
 593
 594     CYPool pool;
 595     std::ostringstream str;
 596
 597     str << '[';
 598
 599     JSValueRef length(CYGetProperty(context, _this, length_s));
 600     bool comma(false);
 601
 602     for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) {
 603         if (comma)
 604             str << ',';
 605         else
 606             comma = true;
 607
 608         try {
 609             JSValueRef value(CYGetProperty(context, _this, index));
 610             if (!JSValueIsUndefined(context, value))
 611                 str << CYPoolCCYON(pool, context, value, *objects);
 612             else {
 613                 str << ',';
 614                 comma = false;
 615             }
 616         } catch (const CYException &error) {
 617             str << "@error";
 618         }
 619     }
 620
 621     str << ']';
 622
 623     std::string value(str.str());
 624     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 625 } CYCatch(NULL) }
 626
 627 static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 628     CYPool pool;
 629     std::ostringstream str;
 630
 631     CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, _this)));
 632     CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 633
 634     std::string value(str.str());
 635     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 636 } CYCatch(NULL) }
 637
 638 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, const sig::Type &type, ffi_type *ffi, JSObjectRef owner) {
 639     return CYPrivate<Pointer>::Make(context, pointer, type, context, owner);
 640 }
 641
 642 static JSValueRef CYMakeFunctor(JSContextRef context, void (*function)(), bool variadic, const sig::Signature &signature) {
 643     if (function == NULL)
 644         return CYJSNull(context);
 645     return JSObjectMake(context, cy::Functor::Class_, new cy::Functor(function, variadic, signature));
 646 }
 647
 648 // XXX: remove this, as it is really stupid
 649 static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *encoding) {
 650     void (*function)()(reinterpret_cast<void (*)()>(CYCastSymbol(symbol)));
 651     if (function == NULL)
 652         return NULL;
 653
 654     cy::Functor *internal(new cy::Functor(function, encoding));
 655     ++internal->count_;
 656     return JSObjectMake(context, cy::Functor::Class_, internal);
 657 }
 658
 659 bool CYGetOffset(CYPool &pool, JSContextRef context, JSStringRef value, ssize_t &index) {
 660     return CYGetOffset(CYPoolCString(pool, context, value), index);
 661 }
 662
 663 // XXX: this is a horrible back added for CFType
 664 void *CYCastPointerEx_(JSContextRef context, JSObjectRef value) {
 665     JSObjectRef object((JSObjectRef) value);
 666     if (JSValueIsObjectOfClass(context, value, CYPrivate<Pointer>::Class_)) {
 667         Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
 668         return internal->value_;
 669     }
 670
 671     JSValueRef toPointer(CYGetProperty(context, object, toPointer_s));
 672     if (CYIsCallable(context, toPointer)) {
 673         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
 674         _assert(value != NULL);
 675         return CYCastPointer_(context, value);
 676     }
 677
 678     return NULL;
 679 }
 680
 681 void *CYCastPointer_(JSContextRef context, JSValueRef value, bool *guess) {
 682     if (value == NULL)
 683         return NULL;
 684     else switch (JSValueGetType(context, value)) {
 685         case kJSTypeNull:
 686             return NULL;
 687         case kJSTypeObject: {
 688             JSObjectRef object((JSObjectRef) value);
 689             if (JSValueIsObjectOfClass(context, value, CYPrivate<Pointer>::Class_)) {
 690                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
 691                 return internal->value_;
 692             }
 693             JSValueRef toPointer(CYGetProperty(context, object, toPointer_s));
 694             if (CYIsCallable(context, toPointer)) {
 695                 JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
 696                 _assert(value != NULL);
 697                 return CYCastPointer_(context, value, guess);
 698             }
 699         } default:
 700             if (guess != NULL)
 701                 *guess = true;
 702         case kJSTypeNumber:
 703             double number(CYCastDouble(context, value));
 704             if (!std::isnan(number))
 705                 return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
 706             if (guess == NULL)
 707                 throw CYJSError(context, "cannot convert value to pointer");
 708             else {
 709                 *guess = true;
 710                 return NULL;
 711             }
 712     }
 713 }
 714
 715 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function);
 716
 717 namespace sig {
 718
 719 // XXX: this is somehow not quite a template :/
 720
 721 template <>
 722 void Primitive<bool>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 723     *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
 724 }
 725
 726 #define CYPoolFFI_(Type_) \
 727 template <> \
 728 void Primitive<Type_>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const { \
 729     *reinterpret_cast<Type_ *>(data) = CYCastDouble(context, value); \
 730 }
 731
 732 CYPoolFFI_(wchar_t)
 733 CYPoolFFI_(float)
 734 CYPoolFFI_(double)
 735 CYPoolFFI_(long double)
 736
 737 CYPoolFFI_(signed char)
 738 CYPoolFFI_(signed int)
 739 CYPoolFFI_(signed long int)
 740 CYPoolFFI_(signed long long int)
 741 CYPoolFFI_(signed short int)
 742
 743 CYPoolFFI_(unsigned char)
 744 CYPoolFFI_(unsigned int)
 745 CYPoolFFI_(unsigned long int)
 746 CYPoolFFI_(unsigned long long int)
 747 CYPoolFFI_(unsigned short int)
 748
 749 #ifdef __SIZEOF_INT128__
 750 CYPoolFFI_(signed __int128)
 751 CYPoolFFI_(unsigned __int128)
 752 #endif
 753
 754 template <>
 755 void Primitive<char>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 756     if (JSValueGetType(context, value) != kJSTypeString)
 757         *reinterpret_cast<char *>(data) = CYCastDouble(context, value);
 758     else {
 759         CYJSString script(context, value);
 760         auto string(CYCastUTF16String(script));
 761         _assert(string.size == 1);
 762         _assert((string.data[0] & 0xff) == string.data[0]);
 763         *reinterpret_cast<char *>(data) = string.data[0];
 764     }
 765 }
 766
 767 void Void::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 768     _assert(JSValueIsUndefined(context, value));
 769 }
 770
 771 void Unknown::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 772     _assert(false);
 773 }
 774
 775 void String::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 776     bool guess(false);
 777     *reinterpret_cast<const char **>(data) = CYCastPointer<const char *>(context, value, &guess);
 778     if (guess && pool != NULL)
 779         *reinterpret_cast<const char **>(data) = CYPoolCString(*pool, context, value);
 780 }
 781
 782 void Bits::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 783     _assert(false);
 784 }
 785
 786 static void CYArrayCopy(CYPool *pool, JSContextRef context, uint8_t *base, size_t length, const sig::Type &type, ffi_type *ffi, JSObjectRef object) {
 787     for (size_t index(0); index != length; ++index) {
 788         JSValueRef rhs(CYGetProperty(context, object, index));
 789         if (JSValueIsUndefined(context, rhs))
 790             throw CYJSError(context, "unable to extract array value");
 791         type.PoolFFI(pool, context, ffi, base, rhs);
 792         base += ffi->size;
 793     }
 794 }
 795
 796 void Pointer::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 797     bool guess(false);
 798     *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value, &guess);
 799     if (!guess || pool == NULL || !JSValueIsObject(context, value))
 800         return;
 801
 802     JSObjectRef object(CYCastJSObject(context, value));
 803
 804     if (sig::Function *function = dynamic_cast<sig::Function *>(&type)) {
 805         _assert(!function->variadic);
 806         auto internal(CYMakeFunctor_(context, object, function->signature, &FunctionAdapter_));
 807         // XXX: see notes in Library.cpp about needing to leak
 808         *reinterpret_cast<void (**)()>(data) = internal->value_;
 809     } else if (CYHasProperty(context, object, length_s)) {
 810         size_t length(CYArrayLength(context, object));
 811         ffi_type *element(type.GetFFI(*pool));
 812         size_t size(element->size * length);
 813         uint8_t *base(pool->malloc<uint8_t>(size, element->alignment));
 814         CYArrayCopy(pool, context, base, length, type, element, object);
 815         *reinterpret_cast<void **>(data) = base;
 816     }
 817 }
 818
 819 void Array::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 820     if (size == 0)
 821         return;
 822     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 823     CYArrayCopy(pool, context, base, size, type, ffi->elements[0], CYCastJSObject(context, value));
 824 }
 825
 826 void Enum::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 827     return type.PoolFFI(pool, context, ffi, data, value);
 828 }
 829
 830 void Aggregate::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 831     _assert(!overlap);
 832     _assert(signature.count != _not(size_t));
 833
 834     size_t offset(0);
 835     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 836     JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
 837     for (size_t index(0); index != signature.count; ++index) {
 838         sig::Element *element(&signature.elements[index]);
 839         ffi_type *field(ffi->elements[index]);
 840
 841         JSValueRef rhs;
 842         if (aggregate == NULL)
 843             rhs = value;
 844         else {
 845             rhs = CYGetProperty(context, aggregate, index);
 846             if (JSValueIsUndefined(context, rhs)) {
 847                 if (element->name != NULL)
 848                     rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
 849                 else
 850                     goto undefined;
 851                 if (JSValueIsUndefined(context, rhs)) undefined:
 852                     throw CYJSError(context, "unable to extract structure value");
 853             }
 854         }
 855
 856         element->type->PoolFFI(pool, context, field, base + offset, rhs);
 857         offset += field->size;
 858         CYAlign(offset, field->alignment);
 859     }
 860 }
 861
 862 void Function::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 863     _assert(false);
 864 }
 865
 866 // XXX: this code is getting worse, not better :/
 867
 868 #define CYFromFFI_(Type_) \
 869 template <> \
 870 JSValueRef Primitive<Type_>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const { \
 871     JSValueRef value(CYCastJSValue(context, *reinterpret_cast<Type_ *>(data))); \
 872     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("Number")), 1, &value)); \
 873     CYSetProperty(context, typed, cyt__s, CYMakeType(context, *this), kJSPropertyAttributeDontEnum); \
 874     return typed; \
 875 }
 876
 877 #define CYFromFFI_2(Type_) \
 878 template <> \
 879 JSValueRef Primitive<Type_>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const { \
 880     return CYCastJSValue(context, *reinterpret_cast<Type_ *>(data)); \
 881 }
 882
 883 CYFromFFI_(wchar_t)
 884 CYFromFFI_(float)
 885 CYFromFFI_(double)
 886 CYFromFFI_(long double)
 887
 888 CYFromFFI_2(signed char)
 889 CYFromFFI_2(signed int)
 890 CYFromFFI_(signed long int)
 891 CYFromFFI_(signed long long int)
 892 CYFromFFI_2(signed short int)
 893
 894 CYFromFFI_2(unsigned char)
 895 CYFromFFI_2(unsigned int)
 896 CYFromFFI_(unsigned long int)
 897 CYFromFFI_(unsigned long long int)
 898 CYFromFFI_2(unsigned short int)
 899
 900 #ifdef __SIZEOF_INT128__
 901 CYFromFFI_(signed __int128)
 902 CYFromFFI_(unsigned __int128)
 903 #endif
 904
 905 template <>
 906 JSValueRef Primitive<bool>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 907     return CYCastJSValue(context, *reinterpret_cast<bool *>(data));
 908 }
 909
 910 template <>
 911 JSValueRef Primitive<char>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 912     uint16_t string(uint8_t(*reinterpret_cast<char *>(data)));
 913     JSValueRef value(CYCastJSValue(context, CYJSString(CYUTF16String(&string, 1))));
 914     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("String")), 1, &value));
 915     CYSetProperty(context, typed, cyt_s, CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
 916     CYSetPrototype(context, typed, CYGetCachedValue(context, CYJSString("Character_prototype")));
 917     return typed;
 918 }
 919
 920 JSValueRef Void::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 921     return CYJSUndefined(context);
 922 }
 923
 924 JSValueRef Unknown::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 925     _assert(false);
 926 }
 927
 928 JSValueRef String::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 929     if (char *value = *reinterpret_cast<char **>(data))
 930         return CYPrivate<CString>::Make(context, value, context, owner);
 931     return CYJSNull(context);
 932 }
 933
 934 JSValueRef Bits::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 935     _assert(false);
 936 }
 937
 938 JSValueRef Pointer::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 939     if (void *value = *reinterpret_cast<void **>(data))
 940         return CYMakePointer(context, value, type, NULL, owner);
 941     return CYJSNull(context);
 942 }
 943
 944 JSValueRef Array::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 945     return CYPrivate<CArray>::Make(context, data, size, type, ffi->elements[0], context, owner);
 946 }
 947
 948 JSValueRef Enum::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 949     return type.FromFFI(context, ffi, data, initialize, owner);
 950 }
 951
 952 JSValueRef Aggregate::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 953     _assert(!overlap);
 954     _assert(signature.count != _not(size_t));
 955     return CYPrivate<Struct_privateData>::Make(context, data, *this, ffi, context, owner);
 956 }
 957
 958 JSValueRef Function::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 959     return CYMakeFunctor(context, reinterpret_cast<void (*)()>(data), variadic, signature);
 960 }
 961
 962 }
 963
 964 void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg) {
 965     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
 966
 967     JSContextRef context(internal->function_);
 968
 969     size_t count(internal->cif_.nargs);
 970     JSValueRef values[count];
 971
 972     for (size_t index(0); index != count; ++index)
 973         values[index] = internal->signature_.elements[1 + index].type->FromFFI(context, internal->cif_.arg_types[index], arguments[index]);
 974
 975     JSValueRef value(internal->adapter_(context, count, values, internal->function_));
 976     internal->signature_.elements[0].type->PoolFFI(NULL, context, internal->cif_.rtype, result, value);
 977 }
 978
 979 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
 980     return CYCallAsFunction(context, function, NULL, count, values);
 981 }
 982
 983 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 984 static void CYFreeFunctor(void *data) {
 985     ffi_closure_free(data);
 986 }
 987 #else
 988 static void CYFreeFunctor(void *data) {
 989     _syscall(munmap(data, sizeof(ffi_closure)));
 990 }
 991 #endif
 992
 993 Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const sig::Signature &signature, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) {
 994     // XXX: in case of exceptions this will leak
 995     Closure_privateData *internal(new Closure_privateData(context, function, adapter, signature));
 996
 997 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 998     void *executable;
 999     ffi_closure *writable(reinterpret_cast<ffi_closure *>(ffi_closure_alloc(sizeof(ffi_closure), &executable)));
1000
1001     ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, &CYExecuteClosure, internal, executable));
1002     _assert(status == FFI_OK);
1003
1004     internal->pool_->atexit(&CYFreeFunctor, writable);
1005     internal->value_ = reinterpret_cast<void (*)()>(executable);
1006 #else
1007     ffi_closure *closure((ffi_closure *) _syscall(mmap(
1008         NULL, sizeof(ffi_closure),
1009         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
1010         -1, 0
1011     )));
1012
1013     ffi_status status(ffi_prep_closure(closure, &internal->cif_, &CYExecuteClosure, internal));
1014     _assert(status == FFI_OK);
1015
1016     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
1017
1018     internal->pool_->atexit(&CYFreeFunctor, closure);
1019     internal->value_ = reinterpret_cast<void (*)()>(closure);
1020 #endif
1021
1022     return internal;
1023 }
1024
1025 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const sig::Signature &signature) {
1026     Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &FunctionAdapter_));
1027     JSObjectRef object(JSObjectMake(context, cy::Functor::Class_, internal));
1028     // XXX: see above notes about needing to leak
1029     JSValueProtect(CYGetJSContext(context), object);
1030     return object;
1031 }
1032
1033 JSValueRef CYGetCachedValue(JSContextRef context, JSStringRef name) {
1034     return CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name);
1035 }
1036
1037 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) {
1038     return CYCastJSObject(context, CYGetCachedValue(context, name));
1039 }
1040
1041 static JSValueRef CYMakeFunctor(JSContextRef context, JSValueRef value, bool variadic, const sig::Signature &signature) {
1042     JSObjectRef Function(CYGetCachedObject(context, CYJSString("Function")));
1043
1044     bool function(_jsccall(JSValueIsInstanceOfConstructor, context, value, Function));
1045     if (function) {
1046         JSObjectRef function(CYCastJSObject(context, value));
1047         return CYMakeFunctor(context, function, signature);
1048     } else {
1049         void (*function)()(CYCastPointer<void (*)()>(context, value));
1050         return CYMakeFunctor(context, function, variadic, signature);
1051     }
1052 }
1053
1054 static JSValueRef CString_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1055     CYPool pool;
1056     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1057
1058     ssize_t offset;
1059     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1060         offset = 0;
1061     else if (!CYGetOffset(pool, context, property, offset))
1062         return NULL;
1063
1064     sig::Primitive<char> type;
1065     return type.FromFFI(context, type.GetFFI(pool), internal->value_ + offset, false, NULL);
1066 } CYCatch(NULL) }
1067
1068 static bool CString_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1069     CYPool pool;
1070     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1071
1072     ssize_t offset;
1073     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1074         offset = 0;
1075     else if (!CYGetOffset(pool, context, property, offset))
1076         return false;
1077
1078     sig::Primitive<char> type;
1079     type.PoolFFI(NULL, context, type.GetFFI(pool), internal->value_ + offset, value);
1080     return true;
1081 } CYCatch(false) }
1082
1083 static bool Index_(CYPool &pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
1084     Type_privateData *typical(internal->type_);
1085     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1086     if (type == NULL)
1087         return false;
1088
1089     const char *name(CYPoolCString(pool, context, property));
1090     size_t length(strlen(name));
1091     double number(CYCastDouble(name, length));
1092
1093     size_t count(type->signature.count);
1094
1095     if (std::isnan(number)) {
1096         if (property == NULL)
1097             return false;
1098
1099         sig::Element *elements(type->signature.elements);
1100
1101         for (size_t local(0); local != count; ++local) {
1102             sig::Element *element(&elements[local]);
1103             if (element->name != NULL && strcmp(name, element->name) == 0) {
1104                 index = local;
1105                 goto base;
1106             }
1107         }
1108
1109         return false;
1110     } else {
1111         index = static_cast<ssize_t>(number);
1112         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
1113             return false;
1114     }
1115
1116   base:
1117     ffi_type **elements(typical->GetFFI()->elements);
1118
1119     size_t offset(0);
1120     for (ssize_t local(0); local != index; ++local) {
1121         offset += elements[local]->size;
1122         CYAlign(offset, elements[local + 1]->alignment);
1123     }
1124
1125     base = reinterpret_cast<uint8_t *>(internal->value_) + offset;
1126     return true;
1127 }
1128
1129 static void *Offset_(CYPool &pool, JSContextRef context, JSStringRef property, void *data, ffi_type *ffi) {
1130     ssize_t offset;
1131     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1132         offset = 0;
1133     else if (!CYGetOffset(pool, context, property, offset))
1134         return NULL;
1135     return reinterpret_cast<uint8_t *>(data) + ffi->size * offset;
1136 }
1137
1138 static JSValueRef Offset_getProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSObjectRef owner) {
1139     ffi_type *ffi(typical->GetFFI());
1140     void *base(Offset_(pool, context, property, data, ffi));
1141     if (base == NULL)
1142         return NULL;
1143     return typical->type_->FromFFI(context, ffi, base, false, owner);
1144 }
1145
1146 static bool Offset_setProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSValueRef value) {
1147     ffi_type *ffi(typical->GetFFI());
1148     void *base(Offset_(pool, context, property, data, ffi));
1149     if (base == NULL)
1150         return false;
1151
1152     typical->type_->PoolFFI(NULL, context, ffi, base, value);
1153     return true;
1154 }
1155
1156 static JSValueRef CArray_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1157     CYPool pool;
1158     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1159     if (JSStringIsEqual(property, length_s))
1160         return CYCastJSValue(context, internal->length_);
1161     Type_privateData *typical(internal->type_);
1162     JSObjectRef owner(internal->owner_ ?: object);
1163     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1164 } CYCatch(NULL) }
1165
1166 static bool CArray_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1167     CYPool pool;
1168     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1169     Type_privateData *typical(internal->type_);
1170     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1171 } CYCatch(false) }
1172
1173 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1174     CYPool pool;
1175     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1176
1177     Type_privateData *typical(internal->type_);
1178
1179     if (sig::Function *function = dynamic_cast<sig::Function *>(typical->type_)) {
1180         if (!JSStringIsEqualToUTF8CString(property, "$cyi"))
1181             return NULL;
1182         return CYMakeFunctor(context, reinterpret_cast<void (*)()>(internal->value_), function->variadic, function->signature);
1183     }
1184
1185     JSObjectRef owner(internal->owner_ ?: object);
1186     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1187 } CYCatch(NULL) }
1188
1189 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1190     CYPool pool;
1191     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1192     Type_privateData *typical(internal->type_);
1193     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1194 } CYCatch(false) }
1195
1196 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1197     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
1198     Type_privateData *typical(internal->type_);
1199     return CYMakePointer(context, internal->value_, *typical->type_, typical->ffi_, _this);
1200 } CYCatch(NULL) }
1201
1202 static JSValueRef Struct_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1203     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1204     return CYMakeType(context, *internal->type_->type_);
1205 } CYCatch(NULL) }
1206
1207 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, 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 NULL;
1218
1219     JSObjectRef owner(internal->owner_ ?: object);
1220
1221     return type->signature.elements[index].type->FromFFI(context, typical->GetFFI()->elements[index], base, false, owner);
1222 } CYCatch(NULL) }
1223
1224 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1225     CYPool pool;
1226     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1227     Type_privateData *typical(internal->type_);
1228     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1229
1230     ssize_t index;
1231     uint8_t *base;
1232
1233     if (!Index_(pool, context, internal, property, index, base))
1234         return false;
1235
1236     type->signature.elements[index].type->PoolFFI(NULL, context, typical->GetFFI()->elements[index], base, value);
1237     return true;
1238 } CYCatch(false) }
1239
1240 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1241     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1242     Type_privateData *typical(internal->type_);
1243     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1244
1245     if (type == NULL)
1246         return;
1247
1248     size_t count(type->signature.count);
1249     sig::Element *elements(type->signature.elements);
1250
1251     char number[32];
1252
1253     for (size_t index(0); index != count; ++index) {
1254         const char *name;
1255         name = elements[index].name;
1256
1257         if (name == NULL) {
1258             sprintf(number, "%zu", index);
1259             name = number;
1260         }
1261
1262         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1263     }
1264 }
1265
1266 static sig::Void Void_;
1267 static sig::Pointer PointerToVoid_(Void_);
1268
1269 static sig::Type *CYGetType(CYPool &pool, JSContextRef context, JSValueRef value) {
1270     if (JSValueIsNull(context, value))
1271         return &PointerToVoid_;
1272     JSObjectRef object(CYCastJSObject(context, value));
1273     JSValueRef check(CYGetProperty(context, object, cyt_s));
1274     if (JSValueIsUndefined(context, check))
1275         CYThrow("could not infer type of argument '%s'", CYPoolCString(pool, context, value));
1276     JSObjectRef type(CYCastJSObject(context, check));
1277     _assert(JSValueIsObjectOfClass(context, type, CYPrivate<Type_privateData>::Class_));
1278     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(type)));
1279     return internal->type_;
1280 }
1281
1282 void CYCallFunction(CYPool &pool, JSContextRef context, ffi_cif *cif, void (*function)(), void *value, void **values) {
1283     ffi_call(cif, function, value, values);
1284 }
1285
1286 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)()) {
1287     size_t have(setups + count);
1288     size_t need(signature.count - 1);
1289
1290     if (have < need)
1291         throw CYJSError(context, "insufficient number of arguments to ffi function");
1292
1293     ffi_cif corrected;
1294     sig::Element *elements(signature.elements);
1295
1296     if (have > need) {
1297         if (!variadic)
1298             throw CYJSError(context, "exorbitant number of arguments to ffi function");
1299
1300         elements = new (pool) sig::Element[have + 1];
1301         memcpy(elements, signature.elements, sizeof(sig::Element) * (need + 1));
1302
1303         for (size_t index(need); index != have; ++index) {
1304             sig::Element &element(elements[index + 1]);
1305             element.name = NULL;
1306             element.offset = _not(size_t);
1307             element.type = CYGetType(pool, context, arguments[index - setups]);
1308         }
1309
1310         sig::Signature extended;
1311         extended.elements = elements;
1312         extended.count = have + 1;
1313         sig::sig_ffi_cif(pool, signature.count, extended, &corrected);
1314         cif = &corrected;
1315     }
1316
1317     void *values[have];
1318     memcpy(values, setup, sizeof(void *) * setups);
1319
1320     for (size_t index(setups); index != have; ++index) {
1321         sig::Element &element(elements[index + 1]);
1322         ffi_type *ffi(cif->arg_types[index]);
1323         values[index] = pool.malloc<uint8_t>(ffi->size, ffi->alignment);
1324         element.type->PoolFFI(&pool, context, ffi, values[index], arguments[index - setups]);
1325     }
1326
1327     CYBuffer buffer(context);
1328     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))));
1329
1330     void (*call)(CYPool &, JSContextRef, ffi_cif *, void (*)(), void *, void **) = &CYCallFunction;
1331     // XXX: this only supports one hook, but it is a bad idea anyway
1332     for (CYHook *hook : GetHooks())
1333         if (hook->CallFunction != NULL)
1334             call = hook->CallFunction;
1335
1336     call(pool, context, cif, function, value, values);
1337     return signature.elements[0].type->FromFFI(context, cif->rtype, value, initialize, buffer);
1338 }
1339
1340 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1341     CYPool pool;
1342     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1343     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, internal->variadic_, internal->signature_, &internal->cif_, internal->value_);
1344 } CYCatch(NULL) }
1345
1346 static JSValueRef Pointer_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1347     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1348     if (dynamic_cast<sig::Function *>(internal->type_->type_) == NULL)
1349         throw CYJSError(context, "cannot call a pointer to non-function");
1350     JSObjectRef functor(CYCastJSObject(context, CYGetProperty(context, object, cyi_s)));
1351     return CYCallAsFunction(context, functor, _this, count, arguments);
1352 } CYCatch(NULL) }
1353
1354 JSObjectRef CYMakeType(JSContextRef context, const sig::Type &type) {
1355     return CYPrivate<Type_privateData>::Make(context, type);
1356 }
1357
1358 extern "C" bool CYBridgeHash(CYPool &pool, CYUTF8String name, const char *&code, unsigned &flags) {
1359     sqlite3_stmt *statement;
1360
1361     _sqlcall(sqlite3_prepare(database_,
1362         "select "
1363             "\"cache\".\"code\", "
1364             "\"cache\".\"flags\" "
1365         "from \"cache\" "
1366         "where"
1367             " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM " and"
1368             " \"cache\".\"name\" = ?"
1369         " limit 1"
1370     , -1, &statement, NULL));
1371
1372     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
1373
1374     bool success;
1375     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE)
1376         success = false;
1377     else {
1378         success = true;
1379         code = sqlite3_column_pooled(pool, statement, 0);
1380         flags = sqlite3_column_int(statement, 1);
1381     }
1382
1383     _sqlcall(sqlite3_finalize(statement));
1384     return success;
1385 }
1386
1387 static bool All_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1388     if (JSStringIsEqualToUTF8CString(property, "errno"))
1389         return true;
1390
1391     JSObjectRef global(CYGetGlobalObject(context));
1392     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1393     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1394
1395     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1396         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1397             if (CYHasProperty(context, space, property))
1398                 return true;
1399
1400     CYPool pool;
1401     const char *code;
1402     unsigned flags;
1403     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags))
1404         return true;
1405
1406     return false;
1407 }
1408
1409 static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1410     if (JSStringIsEqualToUTF8CString(property, "errno"))
1411         return CYCastJSValue(context, errno);
1412
1413     JSObjectRef global(CYGetGlobalObject(context));
1414     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1415     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1416
1417     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1418         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1419             if (JSValueRef value = CYGetProperty(context, space, property))
1420                 if (!JSValueIsUndefined(context, value))
1421                     return value;
1422
1423     CYPool pool;
1424     const char *code;
1425     unsigned flags;
1426     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags)) {
1427         CYUTF8String parsed;
1428
1429         try {
1430             parsed = CYPoolCode(pool, code);
1431         } catch (const CYException &error) {
1432             CYThrow("%s", pool.strcat("error caching ", CYPoolCString(pool, context, property), ": ", error.PoolCString(pool), NULL));
1433         }
1434
1435         JSObjectRef cache(CYGetCachedObject(context, CYJSString("cache")));
1436
1437         JSObjectRef stub;
1438         if (flags == CYBridgeType) {
1439             stub = CYMakeType(context, sig::Void());
1440             CYSetProperty(context, cache, property, stub);
1441         } else
1442             stub = NULL;
1443
1444         JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(parsed), NULL, NULL, 0));
1445
1446         switch (flags) {
1447             case CYBridgeVoid: {
1448             } break;
1449
1450             case CYBridgeHold: {
1451                 CYSetProperty(context, cache, property, value);
1452             } break;
1453
1454             case CYBridgeType: {
1455                 JSObjectRef swap(CYCastJSObject(context, value));
1456                 void *source(JSObjectGetPrivate(swap));
1457                 _assert(source != NULL);
1458                 void *target(JSObjectGetPrivate(stub));
1459                 _assert(JSObjectSetPrivate(swap, target));
1460                 _assert(JSObjectSetPrivate(stub, source));
1461                 value = stub;
1462             } break;
1463         }
1464
1465         return value;
1466     }
1467
1468     return NULL;
1469 } CYCatch(NULL) }
1470
1471 static JSValueRef All_complete_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1472     _assert(count == 1 || count == 2);
1473     CYPool pool;
1474     CYUTF8String prefix(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
1475
1476     JSObjectRef array(NULL);
1477
1478     {
1479     CYArrayBuilder<1024> values(context, array);
1480
1481     sqlite3_stmt *statement;
1482
1483     if (prefix.size == 0)
1484         _sqlcall(sqlite3_prepare(database_,
1485             "select "
1486                 "\"cache\".\"name\" "
1487             "from \"cache\" "
1488             "where"
1489                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1490         , -1, &statement, NULL));
1491     else {
1492         _sqlcall(sqlite3_prepare(database_,
1493             "select "
1494                 "\"cache\".\"name\" "
1495             "from \"cache\" "
1496             "where"
1497                 " \"cache\".\"name\" >= ? and \"cache\".\"name\" < ? and "
1498                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1499         , -1, &statement, NULL));
1500
1501         _sqlcall(sqlite3_bind_text(statement, 1, prefix.data, prefix.size, SQLITE_STATIC));
1502
1503         char *after(pool.strndup(prefix.data, prefix.size));
1504         ++after[prefix.size - 1];
1505         _sqlcall(sqlite3_bind_text(statement, 2, after, prefix.size, SQLITE_STATIC));
1506     }
1507
1508     while (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE)
1509         values(CYCastJSValue(context, CYJSString(sqlite3_column_string(statement, 0))));
1510
1511     _sqlcall(sqlite3_finalize(statement));
1512     }
1513
1514     return array;
1515 } CYCatch(NULL) }
1516
1517 static void All_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1518     JSObjectRef global(CYGetGlobalObject(context));
1519     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1520     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1521
1522     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1523         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) {
1524             JSPropertyNameArrayRef subset(JSObjectCopyPropertyNames(context, space));
1525             for (size_t index(0), count(JSPropertyNameArrayGetCount(subset)); index != count; ++index)
1526                 JSPropertyNameAccumulatorAddName(names, JSPropertyNameArrayGetNameAtIndex(subset, index));
1527             JSPropertyNameArrayRelease(subset);
1528         }
1529 }
1530
1531 static JSObjectRef CArray_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1532     _assert(false);
1533 } CYCatchObject() }
1534
1535 static JSObjectRef CString_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1536     _assert(false);
1537 } CYCatchObject() }
1538
1539 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1540     _assert(false);
1541 } CYCatchObject() }
1542
1543 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1544     CYPool pool;
1545
1546     if (false) {
1547     } else if (count == 1) {
1548         switch (JSValueGetType(context, arguments[0])) {
1549             case kJSTypeString: {
1550                 const char *encoding(CYPoolCString(pool, context, arguments[0]));
1551                 sig::Signature signature;
1552                 sig::Parse(pool, &signature, encoding, &Structor_);
1553                 return CYMakeType(context, *signature.elements[0].type);
1554             } break;
1555
1556             case kJSTypeObject: {
1557                 // XXX: accept a set of enum constants and /guess/ at their size
1558                 _assert(false);
1559             } break;
1560
1561             default:
1562                 throw CYJSError(context, "incorrect kind of argument to new Type");
1563         }
1564     } else if (count == 2) {
1565         JSObjectRef types(CYCastJSObject(context, arguments[0]));
1566         size_t count(CYArrayLength(context, types));
1567
1568         JSObjectRef names(CYCastJSObject(context, arguments[1]));
1569
1570         sig::Aggregate type(false);
1571         type.signature.elements = new(pool) sig::Element[count];
1572         type.signature.count = count;
1573
1574         for (size_t i(0); i != count; ++i) {
1575             sig::Element &element(type.signature.elements[i]);
1576             element.offset = _not(size_t);
1577
1578             JSValueRef name(CYArrayGet(context, names, i));
1579             if (JSValueIsUndefined(context, name))
1580                 element.name = NULL;
1581             else
1582                 element.name = CYPoolCString(pool, context, name);
1583
1584             JSObjectRef object(CYCastJSObject(context, CYArrayGet(context, types, i)));
1585             _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1586             Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1587             element.type = internal->type_;
1588             _assert(element.type != NULL);
1589         }
1590
1591         return CYMakeType(context, type);
1592     } else {
1593         throw CYJSError(context, "incorrect number of arguments to Type constructor");
1594     }
1595 } CYCatchObject() }
1596
1597 static JSValueRef Type_callAsFunction_$With(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], sig::Callable &type, JSValueRef *exception) { CYTry {
1598     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1599
1600     CYPool pool;
1601
1602     type.signature.elements = new(pool) sig::Element[1 + count];
1603     type.signature.count = 1 + count;
1604
1605     type.signature.elements[0].name = NULL;
1606     type.signature.elements[0].type = internal->type_;
1607     type.signature.elements[0].offset = _not(size_t);
1608
1609     for (size_t i(0); i != count; ++i) {
1610         sig::Element &element(type.signature.elements[i + 1]);
1611         element.name = NULL;
1612         element.offset = _not(size_t);
1613
1614         JSObjectRef object(CYCastJSObject(context, arguments[i]));
1615         _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1616         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1617
1618         element.type = internal->type_;
1619     }
1620
1621     return CYMakeType(context, type);
1622 } CYCatch(NULL) }
1623
1624 static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1625     if (count != 1)
1626         throw CYJSError(context, "incorrect number of arguments to Type.arrayOf");
1627     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1628
1629     CYPool pool;
1630     size_t index(CYGetIndex(pool, context, CYJSString(context, arguments[0])));
1631     if (index == _not(size_t))
1632         throw CYJSError(context, "invalid array size used with Type.arrayOf");
1633
1634     sig::Array type(*internal->type_, index);
1635     return CYMakeType(context, type);
1636 } CYCatch(NULL) }
1637
1638 static JSValueRef Type_callAsFunction_blockWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1639 #ifdef CY_OBJECTIVEC
1640     sig::Block type;
1641     return Type_callAsFunction_$With(context, object, _this, count, arguments, type, exception);
1642 #else
1643     _assert(false);
1644 #endif
1645 }
1646
1647 static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1648     if (count != 0)
1649         throw CYJSError(context, "incorrect number of arguments to Type.constant");
1650     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1651
1652     CYPool pool;
1653     sig::Type *type(internal->type_->Copy(pool));
1654     type->flags |= JOC_TYPE_CONST;
1655     return CYMakeType(context, *type);
1656 } CYCatch(NULL) }
1657
1658 static JSValueRef Type_callAsFunction_enumFor(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1659     if (count != 1)
1660         throw CYJSError(context, "incorrect number of arguments to Type.enumFor");
1661     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1662
1663     CYPool pool;
1664
1665     JSObjectRef constants(CYCastJSObject(context, arguments[0]));
1666
1667     // XXX: this is, sadly, going to leak
1668     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, constants));
1669
1670     size_t count(JSPropertyNameArrayGetCount(names));
1671
1672     sig::Enum type(*internal->type_, count);
1673     type.constants = new(pool) sig::Constant[count];
1674
1675     for (size_t index(0); index != count; ++index) {
1676         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
1677         JSValueRef value(CYGetProperty(context, constants, name));
1678         _assert(JSValueGetType(context, value) == kJSTypeNumber);
1679         CYUTF8String string(CYPoolUTF8String(pool, context, name));
1680         type.constants[index].name = string.data;
1681         type.constants[index].value = CYCastDouble(context, value);
1682     }
1683
1684     JSPropertyNameArrayRelease(names);
1685
1686     return CYMakeType(context, type);
1687 } CYCatch(NULL) }
1688
1689 static JSValueRef Type_callAsFunction_functionWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1690     bool variadic(count != 0 && JSValueIsNull(context, arguments[count - 1]));
1691     sig::Function type(variadic);
1692     return Type_callAsFunction_$With(context, object, _this, variadic ? count - 1 : count, arguments, type, exception);
1693 }
1694
1695 static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1696     if (count != 0)
1697         throw CYJSError(context, "incorrect number of arguments to Type.pointerTo");
1698     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1699
1700     if (dynamic_cast<sig::Primitive<char> *>(internal->type_) != NULL)
1701         return CYMakeType(context, sig::String((internal->type_->flags & JOC_TYPE_CONST) != 0));
1702     else
1703         return CYMakeType(context, sig::Pointer(*internal->type_));
1704 } CYCatch(NULL) }
1705
1706 static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1707     if (count != 1)
1708         throw CYJSError(context, "incorrect number of arguments to Type.withName");
1709     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1710
1711     CYPool pool;
1712     return CYMakeType(context, *internal->type_->Copy(pool, CYPoolCString(pool, context, arguments[0])));
1713 } CYCatch(NULL) }
1714
1715 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1716     if (count != 1)
1717         throw CYJSError(context, "incorrect number of arguments to type cast function");
1718     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1719
1720     if (sig::Function *function = dynamic_cast<sig::Function *>(internal->type_))
1721         return CYMakeFunctor(context, arguments[0], function->variadic, function->signature);
1722
1723     CYBuffer buffer(context);
1724
1725     sig::Type *type(internal->type_);
1726     ffi_type *ffi(internal->GetFFI());
1727
1728     void *data;
1729     if (_this == NULL || CYIsStrictEqual(context, _this, CYGetGlobalObject(context)))
1730         data = buffer->malloc<void>(ffi->size, ffi->alignment);
1731     else {
1732         CYSetProperty(context, buffer, CYJSString("$cyo"), _this, kJSPropertyAttributeDontEnum);
1733         data = CYCastPointer<void *>(context, _this);
1734     }
1735
1736     type->PoolFFI(buffer, context, ffi, data, arguments[0]);
1737     JSValueRef value(type->FromFFI(context, ffi, data, false, buffer));
1738     return value;
1739 } CYCatch(NULL) }
1740
1741 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1742     if (count > 1)
1743         throw CYJSError(context, "incorrect number of arguments to Type allocator");
1744     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1745
1746     JSObjectRef pointer(CYMakePointer(context, NULL, *internal->type_, NULL, NULL));
1747     Pointer *value(reinterpret_cast<Pointer *>(JSObjectGetPrivate(pointer)));
1748
1749     sig::Type *type(internal->type_);
1750     ffi_type *ffi(internal->GetFFI());
1751     value->value_ = value->pool_->malloc<void>(ffi->size, ffi->alignment);
1752
1753     if (count == 0)
1754         memset(value->value_, 0, ffi->size);
1755     else
1756         type->PoolFFI(value->pool_, context, ffi, value->value_, arguments[0]);
1757
1758     return pointer;
1759 } CYCatchObject() }
1760
1761 // XXX: I don't even think the user should be allowed to do this
1762 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1763     if (count != 2)
1764         throw CYJSError(context, "incorrect number of arguments to Functor constructor");
1765     CYPool pool;
1766     const char *encoding(CYPoolCString(pool, context, arguments[1]));
1767     sig::Signature signature;
1768     sig::Parse(pool, &signature, encoding, &Structor_);
1769     // XXX: this can try to return null, and I guess then it just fails
1770     return CYCastJSObject(context, CYMakeFunctor(context, arguments[0], false, signature));
1771 } CYCatchObject() }
1772
1773 static JSValueRef CArray_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1774     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1775     JSObjectRef owner(internal->owner_ ?: object);
1776     return CYMakePointer(context, internal->value_, *internal->type_->type_, NULL, owner);
1777 } CYCatch(NULL) }
1778
1779 static JSValueRef CString_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1780     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1781     JSObjectRef owner(internal->owner_ ?: object);
1782     return CYMakePointer(context, internal->value_, sig::Primitive<char>(), NULL, owner);
1783 } CYCatch(NULL) }
1784
1785 static JSValueRef Functor_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1786     CYPool pool;
1787     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1788
1789     sig::Function type(internal->variadic_);
1790     sig::Copy(pool, type.signature, internal->signature_);
1791
1792     return CYMakePointer(context, reinterpret_cast<void *>(internal->value_), type, NULL, NULL);
1793 } CYCatch(NULL) }
1794
1795 static JSValueRef Pointer_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1796     return _this;
1797 } CYCatch(NULL) }
1798
1799 static JSValueRef CArray_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1800     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1801     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1802 } CYCatch(NULL) }
1803
1804 static JSValueRef Pointer_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1805     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1806     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1807 } CYCatch(NULL) }
1808
1809 static JSValueRef Functor_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1810     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1811     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1812 } CYCatch(NULL) }
1813
1814 static JSValueRef Functor_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1815     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1816     uint8_t *value(reinterpret_cast<uint8_t *>(internal->value_));
1817     _assert(value != NULL);
1818
1819     CYLocalPool pool;
1820
1821     sig::Function function(internal->variadic_);
1822     sig::Copy(pool, function.signature, internal->signature_);
1823
1824     CYPropertyName *name(internal->GetName(pool));
1825     auto typed(CYDecodeType(pool, &function));
1826
1827     std::ostringstream str;
1828     CYOptions options;
1829     CYOutput output(*str.rdbuf(), options);
1830     output.pretty_ = true;
1831     (new(pool) CYExternalExpression(new(pool) CYString("C"), typed, name))->Output(output, CYNoFlags);
1832     return CYCastJSValue(context, CYJSString(str.str()));
1833 } CYCatch(NULL) }
1834
1835 CYPropertyName *cy::Functor::GetName(CYPool &pool) const {
1836     Dl_info info;
1837     if (dladdr(reinterpret_cast<void *>(value_), &info) == 0 || strcmp(info.dli_sname, "<redacted>") == 0)
1838         return new(pool) CYNumber(reinterpret_cast<uintptr_t>(value_));
1839
1840     std::ostringstream str;
1841     str << info.dli_sname;
1842     off_t offset(reinterpret_cast<uint8_t *>(value_) - reinterpret_cast<uint8_t *>(info.dli_saddr));
1843     if (offset != 0)
1844         str << "+0x" << std::hex << offset;
1845     return new(pool) CYString(pool.strdup(str.str().c_str()));
1846 }
1847
1848 static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1849     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
1850
1851     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1852
1853     try {
1854         JSValueRef value(CYGetProperty(context, _this, cyi_s));
1855         if (!JSValueIsUndefined(context, value)) {
1856             CYPool pool;
1857             return CYCastJSValue(context, pool.strcat("&", CYPoolCCYON(pool, context, value, objects), NULL));
1858         }
1859     } catch (const CYException &e) {
1860         // XXX: it might be interesting to include this error
1861     }
1862
1863     CYLocalPool pool;
1864     std::ostringstream str;
1865
1866     sig::Pointer type(*internal->type_->type_);
1867
1868     CYOptions options;
1869     CYOutput output(*str.rdbuf(), options);
1870     (new(pool) CYTypeExpression(CYDecodeType(pool, &type)))->Output(output, CYNoFlags);
1871
1872     str << "(" << internal->value_ << ")";
1873     std::string value(str.str());
1874     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1875 } CYCatch(NULL) }
1876
1877 static JSValueRef CString_getProperty_length(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1878     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1879     return CYCastJSValue(context, strlen(internal->value_));
1880 } CYCatch(NULL) }
1881
1882 static JSValueRef CString_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1883     return CYMakeType(context, sig::String(true));
1884 } CYCatch(NULL) }
1885
1886 static JSValueRef CArray_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1887     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1888     sig::Array type(*internal->type_->type_, internal->length_);
1889     return CYMakeType(context, type);
1890 } CYCatch(NULL) }
1891
1892 static JSValueRef Pointer_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1893     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1894     sig::Pointer type(*internal->type_->type_);
1895     return CYMakeType(context, type);
1896 } CYCatch(NULL) }
1897
1898 static JSValueRef CString_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1899     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1900     const char *string(internal->value_);
1901     std::ostringstream str;
1902     if (string == NULL)
1903         str << "NULL";
1904     else {
1905         str << "&";
1906         CYStringify(str, string, strlen(string), CYStringifyModeNative);
1907     }
1908     std::string value(str.str());
1909     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1910 } CYCatch(NULL) }
1911
1912 static JSValueRef CString_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1913     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1914     return CYCastJSValue(context, internal->value_);
1915 } CYCatch(NULL) }
1916
1917 static JSValueRef Functor_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1918     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1919     CYPool pool;
1920     sig::Function type(internal->variadic_);
1921     sig::Copy(pool, type.signature, internal->signature_);
1922     return CYMakeType(context, type);
1923 } CYCatch(NULL) }
1924
1925 static JSValueRef Type_getProperty_alignment(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1926     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1927     return CYCastJSValue(context, internal->GetFFI()->alignment);
1928 } CYCatch(NULL) }
1929
1930 static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1931     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1932     return CYCastJSValue(context, internal->type_->GetName());
1933 } CYCatch(NULL) }
1934
1935 static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1936     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1937     return CYCastJSValue(context, internal->GetFFI()->size);
1938 } CYCatch(NULL) }
1939
1940 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1941     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1942     CYPool pool;
1943     const char *type(sig::Unparse(pool, internal->type_));
1944     return CYCastJSValue(context, CYJSString(type));
1945 } CYCatch(NULL) }
1946
1947 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1948     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1949     CYLocalPool pool;
1950     std::stringbuf out;
1951     CYOptions options;
1952     CYOutput output(out, options);
1953     output.pretty_ = true;
1954     (new(pool) CYTypeExpression(CYDecodeType(pool, internal->type_->Copy(pool, ""))))->Output(output, CYNoFlags);
1955     return CYCastJSValue(context, CYJSString(out.str().c_str()));
1956 } CYCatch(NULL) }
1957
1958 static JSStaticFunction All_staticFunctions[2] = {
1959     {"cy$complete", &All_complete_callAsFunction, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1960     {NULL, NULL, 0}
1961 };
1962
1963 static JSStaticFunction CArray_staticFunctions[3] = {
1964     {"toPointer", &CArray_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1965     {"valueOf", &CArray_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1966     {NULL, NULL, 0}
1967 };
1968
1969 static JSStaticValue CArray_staticValues[2] = {
1970     {"$cyt", &CArray_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1971     {NULL, NULL, NULL, 0}
1972 };
1973
1974 static JSStaticFunction CString_staticFunctions[5] = {
1975     {"toCYON", &CString_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1976     {"toPointer", &CString_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1977     {"toString", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1978     {"valueOf", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1979     {NULL, NULL, 0}
1980 };
1981
1982 static JSStaticValue CString_staticValues[3] = {
1983     {"length", &CString_getProperty_length, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1984     {"$cyt", &CString_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1985     {NULL, NULL, NULL, 0}
1986 };
1987
1988 static JSStaticFunction Pointer_staticFunctions[4] = {
1989     {"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1990     {"toPointer", &Pointer_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1991     {"valueOf", &Pointer_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1992     {NULL, NULL, 0}
1993 };
1994
1995 static JSStaticValue Pointer_staticValues[2] = {
1996     {"$cyt", &Pointer_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1997     {NULL, NULL, NULL, 0}
1998 };
1999
2000 static JSStaticFunction Struct_staticFunctions[2] = {
2001     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2002     {NULL, NULL, 0}
2003 };
2004
2005 static JSStaticValue Struct_staticValues[2] = {
2006     {"$cyt", &Struct_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2007     {NULL, NULL, NULL, 0}
2008 };
2009
2010 static JSStaticFunction Functor_staticFunctions[5] = {
2011     {"$cya", &Functor_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2012     {"toCYON", &Functor_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2013     {"toPointer", &Functor_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2014     {"valueOf", &Functor_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2015     {NULL, NULL, 0}
2016 };
2017
2018 static JSStaticValue Functor_staticValues[2] = {
2019     {"$cyt", &Functor_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2020     {NULL, NULL, NULL, 0}
2021 };
2022
2023 static JSStaticValue Type_staticValues[4] = {
2024     {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2025     {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2026     {"size", &Type_getProperty_size, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2027     {NULL, NULL, NULL, 0}
2028 };
2029
2030 static JSStaticFunction Type_staticFunctions[10] = {
2031     {"arrayOf", &Type_callAsFunction_arrayOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2032     {"blockWith", &Type_callAsFunction_blockWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2033     {"constant", &Type_callAsFunction_constant, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2034     {"enumFor", &Type_callAsFunction_enumFor, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2035     {"functionWith", &Type_callAsFunction_functionWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2036     {"pointerTo", &Type_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2037     {"withName", &Type_callAsFunction_withName, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2038     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2039     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2040     {NULL, NULL, 0}
2041 };
2042
2043 _visible void CYSetArgs(const char *argv0, const char *script, int argc, const char *argv[]) {
2044     JSContextRef context(CYGetJSContext());
2045     JSValueRef args[argc + 2];
2046     for (int i(0); i != argc; ++i)
2047         args[i + 2] = CYCastJSValue(context, argv[i]);
2048
2049     size_t offset;
2050     if (script == NULL)
2051         offset = 1;
2052     else {
2053         offset = 0;
2054         args[1] = CYCastJSValue(context, CYJSString(script));
2055     }
2056
2057     args[offset] = CYCastJSValue(context, CYJSString(argv0));
2058
2059     CYSetProperty(context, CYGetCachedObject(context, CYJSString("System")), CYJSString("args"), CYObjectMakeArray(context, argc, args + 2));
2060     CYSetProperty(context, CYGetCachedObject(context, CYJSString("process")), CYJSString("argv"), CYObjectMakeArray(context, argc + 2 - offset, args + offset));
2061 }
2062
2063 JSObjectRef CYGetGlobalObject(JSContextRef context) {
2064     return JSContextGetGlobalObject(context);
2065 }
2066
2067 // XXX: this is neither exceptin safe nor even terribly sane
2068 class ExecutionHandle {
2069   private:
2070     JSContextRef context_;
2071     std::vector<void *> handles_;
2072
2073   public:
2074     ExecutionHandle(JSContextRef context) :
2075         context_(context)
2076     {
2077         handles_.resize(GetHooks().size());
2078         for (size_t i(0); i != GetHooks().size(); ++i) {
2079             CYHook *hook(GetHooks()[i]);
2080             if (hook->ExecuteStart != NULL)
2081                 handles_[i] = (*hook->ExecuteStart)(context_);
2082             else
2083                 handles_[i] = NULL;
2084         }
2085     }
2086
2087     ~ExecutionHandle() {
2088         for (size_t i(GetHooks().size()); i != 0; --i) {
2089             CYHook *hook(GetHooks()[i-1]);
2090             if (hook->ExecuteEnd != NULL)
2091                 (*hook->ExecuteEnd)(context_, handles_[i-1]);
2092         }
2093     }
2094 };
2095
2096 #ifndef __ANDROID__
2097 static volatile bool cancel_;
2098
2099 static bool CYShouldTerminate(JSContextRef context, void *arg) {
2100     return cancel_;
2101 }
2102 #endif
2103
2104 _visible const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) {
2105     ExecutionHandle handle(context);
2106
2107 #ifndef __ANDROID__
2108     cancel_ = false;
2109     if (&JSContextGroupSetExecutionTimeLimit != NULL)
2110         JSContextGroupSetExecutionTimeLimit(JSContextGetGroup(context), 0.5, &CYShouldTerminate, NULL);
2111 #endif
2112
2113     try {
2114         JSValueRef result(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2115         if (JSValueIsUndefined(context, result))
2116             return NULL;
2117
2118         std::set<void *> objects;
2119         const char *json(_jsccall(CYPoolCCYON, pool, context, result, objects));
2120         CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
2121
2122         return json;
2123     } catch (const CYException &error) {
2124         return pool.strcat("throw ", error.PoolCString(pool), NULL);
2125     }
2126 }
2127
2128 _visible void CYCancel() {
2129 #ifndef __ANDROID__
2130     cancel_ = true;
2131 #endif
2132 }
2133
2134 const char *CYPoolLibraryPath(CYPool &pool);
2135
2136 static bool initialized_ = false;
2137
2138 void CYInitializeDynamic() {
2139     if (!initialized_)
2140         initialized_ = true;
2141     else return;
2142
2143     CYPool pool;
2144     const char *db(pool.strcat(CYPoolLibraryPath(pool), "/libcycript.db", NULL));
2145     _sqlcall(sqlite3_open_v2(db, &database_, SQLITE_OPEN_READONLY, NULL));
2146
2147     JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
2148     JSSynchronousGarbageCollectForDebugging$ = reinterpret_cast<void (*)(JSContextRef)>(dlsym(RTLD_DEFAULT, "JSSynchronousGarbageCollectForDebugging"));
2149
2150     JSClassDefinition definition;
2151
2152     definition = kJSClassDefinitionEmpty;
2153     definition.attributes = kJSClassAttributeNoAutomaticPrototype;
2154     definition.className = "All";
2155     definition.staticFunctions = All_staticFunctions;
2156     definition.hasProperty = &All_hasProperty;
2157     definition.getProperty = &All_getProperty;
2158     definition.getPropertyNames = &All_getPropertyNames;
2159     All_ = JSClassCreate(&definition);
2160
2161     definition = kJSClassDefinitionEmpty;
2162     definition.attributes = kJSClassAttributeNoAutomaticPrototype;
2163     definition.className = "Context";
2164     definition.finalize = &CYFinalize;
2165     CYPrivate<Context>::Class_ = JSClassCreate(&definition);
2166
2167     definition = kJSClassDefinitionEmpty;
2168     definition.className = "CArray";
2169     definition.staticFunctions = CArray_staticFunctions;
2170     definition.staticValues = CArray_staticValues;
2171     definition.getProperty = &CArray_getProperty;
2172     definition.setProperty = &CArray_setProperty;
2173     definition.finalize = &CYFinalize;
2174     CYPrivate<CArray>::Class_ = JSClassCreate(&definition);
2175
2176     definition = kJSClassDefinitionEmpty;
2177     definition.className = "CString";
2178     definition.staticFunctions = CString_staticFunctions;
2179     definition.staticValues = CString_staticValues;
2180     definition.getProperty = &CString_getProperty;
2181     definition.setProperty = &CString_setProperty;
2182     definition.finalize = &CYFinalize;
2183     CYPrivate<CString>::Class_ = JSClassCreate(&definition);
2184
2185     definition = kJSClassDefinitionEmpty;
2186     definition.className = "Functor";
2187     definition.staticFunctions = Functor_staticFunctions;
2188     definition.staticValues = Functor_staticValues;
2189     definition.callAsFunction = &Functor_callAsFunction;
2190     definition.finalize = &CYFinalize;
2191     cy::Functor::Class_ = JSClassCreate(&definition);
2192
2193     definition = kJSClassDefinitionEmpty;
2194     definition.className = "Pointer";
2195     definition.staticFunctions = Pointer_staticFunctions;
2196     definition.staticValues = Pointer_staticValues;
2197     definition.callAsFunction = &Pointer_callAsFunction;
2198     definition.getProperty = &Pointer_getProperty;
2199     definition.setProperty = &Pointer_setProperty;
2200     definition.finalize = &CYFinalize;
2201     CYPrivate<Pointer>::Class_ = JSClassCreate(&definition);
2202
2203     definition = kJSClassDefinitionEmpty;
2204     definition.className = "Root";
2205     definition.finalize = &CYFinalize;
2206     CYPrivate<CYRoot>::Class_ = JSClassCreate(&definition);
2207
2208     definition = kJSClassDefinitionEmpty;
2209     definition.className = "Struct";
2210     definition.staticFunctions = Struct_staticFunctions;
2211     definition.staticValues = Struct_staticValues;
2212     definition.getProperty = &Struct_getProperty;
2213     definition.setProperty = &Struct_setProperty;
2214     definition.getPropertyNames = &Struct_getPropertyNames;
2215     definition.finalize = &CYFinalize;
2216     CYPrivate<Struct_privateData>::Class_ = JSClassCreate(&definition);
2217
2218     definition = kJSClassDefinitionEmpty;
2219     definition.className = "Type";
2220     definition.staticValues = Type_staticValues;
2221     definition.staticFunctions = Type_staticFunctions;
2222     definition.callAsFunction = &Type_callAsFunction;
2223     definition.callAsConstructor = &Type_callAsConstructor;
2224     definition.finalize = &CYFinalize;
2225     CYPrivate<Type_privateData>::Class_ = JSClassCreate(&definition);
2226
2227     definition = kJSClassDefinitionEmpty;
2228     definition.className = "Global";
2229     //definition.getProperty = &Global_getProperty;
2230     Global_ = JSClassCreate(&definition);
2231
2232     Array_s = JSStringCreateWithUTF8CString("Array");
2233     constructor_s = JSStringCreateWithUTF8CString("constructor");
2234     cy_s = JSStringCreateWithUTF8CString("$cy");
2235     cyi_s = JSStringCreateWithUTF8CString("$cyi");
2236     cyt_s = JSStringCreateWithUTF8CString("$cyt");
2237     cyt__s = JSStringCreateWithUTF8CString("$cyt_");
2238     length_s = JSStringCreateWithUTF8CString("length");
2239     message_s = JSStringCreateWithUTF8CString("message");
2240     name_s = JSStringCreateWithUTF8CString("name");
2241     pop_s = JSStringCreateWithUTF8CString("pop");
2242     prototype_s = JSStringCreateWithUTF8CString("prototype");
2243     push_s = JSStringCreateWithUTF8CString("push");
2244     splice_s = JSStringCreateWithUTF8CString("splice");
2245     toCYON_s = JSStringCreateWithUTF8CString("toCYON");
2246     toJSON_s = JSStringCreateWithUTF8CString("toJSON");
2247     toPointer_s = JSStringCreateWithUTF8CString("toPointer");
2248     toString_s = JSStringCreateWithUTF8CString("toString");
2249     weak_s = JSStringCreateWithUTF8CString("weak");
2250
2251     Result_ = JSStringCreateWithUTF8CString("_");
2252
2253     for (CYHook *hook : GetHooks())
2254         if (hook->Initialize != NULL)
2255             (*hook->Initialize)();
2256 }
2257
2258 void CYThrow(JSContextRef context, JSValueRef value) {
2259     if (value != NULL)
2260         throw CYJSError(context, value);
2261 }
2262
2263 const char *CYJSError::PoolCString(CYPool &pool) const {
2264     std::set<void *> objects;
2265     // XXX: this used to be CYPoolCString
2266     return CYPoolCCYON(pool, context_, value_, objects);
2267 }
2268
2269 JSValueRef CYJSError::CastJSValue(JSContextRef context, const char *name) const {
2270     // XXX: what if the context is different? or the name? I dunno. ("epic" :/)
2271     return value_;
2272 }
2273
2274 JSValueRef CYCastJSError(JSContextRef context, const char *name, const char *message) {
2275     JSObjectRef Error(CYGetCachedObject(context, CYJSString(name)));
2276     JSValueRef arguments[1] = {CYCastJSValue(context, message)};
2277     return _jsccall(JSObjectCallAsConstructor, context, Error, 1, arguments);
2278 }
2279
2280 JSValueRef CYPoolError::CastJSValue(JSContextRef context, const char *name) const {
2281     return CYCastJSError(context, name, message_);
2282 }
2283
2284 CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
2285     _assert(context != NULL);
2286
2287     CYPool pool;
2288
2289     va_list args;
2290     va_start(args, format);
2291     // XXX: there might be a beter way to think about this
2292     const char *message(pool.vsprintf(64, format, args));
2293     va_end(args);
2294
2295     value_ = CYCastJSError(context, "Error", message);
2296 }
2297
2298 JSGlobalContextRef CYGetJSContext(JSContextRef context) {
2299     return reinterpret_cast<Context *>(JSObjectGetPrivate(CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s))))->context_;
2300 }
2301
2302 #ifdef __ANDROID__
2303 char *CYPoolLibraryPath_(CYPool &pool) {
2304     FILE *maps(fopen("/proc/self/maps", "r"));
2305     struct F { FILE *f; F(FILE *f) : f(f) {}
2306         ~F() { fclose(f); } } f(maps);
2307
2308     size_t function(reinterpret_cast<size_t>(&CYPoolLibraryPath));
2309
2310     for (;;) {
2311         size_t start; size_t end; char flags[8]; unsigned long long offset;
2312         int major; int minor; unsigned long long inode; char file[1024];
2313         int count(fscanf(maps, "%zx-%zx %7s %llx %x:%x %llu%[ ]%1024[^\n]\n",
2314             &start, &end, flags, &offset, &major, &minor, &inode, file, file));
2315         if (count < 8) break; else if (start <= function && function < end)
2316             return pool.strdup(file);
2317     }
2318
2319     _assert(false);
2320 }
2321 #else
2322 char *CYPoolLibraryPath_(CYPool &pool) {
2323     Dl_info addr;
2324     _assert(dladdr(reinterpret_cast<void *>(&CYPoolLibraryPath), &addr) != 0);
2325     return pool.strdup(addr.dli_fname);
2326 }
2327 #endif
2328
2329 const char *CYPoolLibraryPath(CYPool &pool) {
2330     char *lib(CYPoolLibraryPath_(pool));
2331
2332     char *slash(strrchr(lib, '/'));
2333     if (slash == NULL)
2334         return ".";
2335     *slash = '\0';
2336
2337     slash = strrchr(lib, '/');
2338     if (slash != NULL) {
2339         if (strcmp(slash, "/.libs") == 0)
2340             *slash = '\0';
2341     } else if (strcmp(lib, ".libs") == 0)
2342         return ".";
2343
2344     return lib;
2345 }
2346
2347 static JSValueRef require_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2348     _assert(count == 1);
2349     CYPool pool;
2350
2351     CYUTF8String name(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
2352     if (memchr(name.data, '/', name.size) == NULL && (
2353 #ifdef __APPLE__
2354         dlopen(pool.strcat("/System/Library/Frameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2355         dlopen(pool.strcat("/System/Library/PrivateFrameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2356 #endif
2357     false))
2358         return CYJSUndefined(context);
2359
2360     CYJSString path;
2361     CYUTF8String code;
2362
2363     sqlite3_stmt *statement;
2364
2365     _sqlcall(sqlite3_prepare(database_,
2366         "select "
2367             "\"module\".\"code\", "
2368             "\"module\".\"flags\" "
2369         "from \"module\" "
2370         "where"
2371             " \"module\".\"name\" = ?"
2372         " limit 1"
2373     , -1, &statement, NULL));
2374
2375     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
2376
2377     if (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE) {
2378         code.data = static_cast<const char *>(sqlite3_column_blob(statement, 0));
2379         code.size = sqlite3_column_bytes(statement, 0);
2380         path = CYJSString(name);
2381         code = CYPoolUTF8String(pool, code);
2382     } else {
2383         JSObjectRef resolve(CYCastJSObject(context, CYGetProperty(context, object, CYJSString("resolve"))));
2384         path = CYJSString(context, CYCallAsFunction(context, resolve, NULL, 1, arguments));
2385     }
2386
2387     _sqlcall(sqlite3_finalize(statement));
2388
2389     CYJSString property("exports");
2390
2391     JSObjectRef modules(CYGetCachedObject(context, CYJSString("modules")));
2392     JSValueRef cache(CYGetProperty(context, modules, path));
2393
2394     JSValueRef result;
2395     if (!JSValueIsUndefined(context, cache)) {
2396         JSObjectRef module(CYCastJSObject(context, cache));
2397         result = CYGetProperty(context, module, property);
2398     } else {
2399         if (code.data == NULL) {
2400             code = CYPoolFileUTF8String(pool, CYPoolCString(pool, context, path));
2401             _assert(code.data != NULL);
2402         }
2403
2404         size_t length(name.size);
2405         if (length >= 5 && strncmp(name.data + length - 5, ".json", 5) == 0) {
2406             JSObjectRef JSON(CYGetCachedObject(context, CYJSString("JSON")));
2407             JSObjectRef parse(CYCastJSObject(context, CYGetProperty(context, JSON, CYJSString("parse"))));
2408             JSValueRef arguments[1] = { CYCastJSValue(context, CYJSString(code)) };
2409             result = CYCallAsFunction(context, parse, JSON, 1, arguments);
2410         } else {
2411             JSObjectRef module(JSObjectMake(context, NULL, NULL));
2412             CYSetProperty(context, modules, path, module);
2413
2414             JSObjectRef exports(JSObjectMake(context, NULL, NULL));
2415             CYSetProperty(context, module, property, exports);
2416
2417             std::stringstream wrap;
2418             wrap << "(function (exports, require, module, __filename) { " << code << "\n});";
2419             code = CYPoolCode(pool, *wrap.rdbuf());
2420
2421             JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2422             JSObjectRef function(CYCastJSObject(context, value));
2423
2424             JSValueRef arguments[4] = { exports, object, module, CYCastJSValue(context, path) };
2425             CYCallAsFunction(context, function, NULL, 4, arguments);
2426             result = CYGetProperty(context, module, property);
2427         }
2428     }
2429
2430     return result;
2431 } CYCatch(NULL) }
2432
2433 static bool CYRunScript(JSGlobalContextRef context, const char *path) {
2434     CYPool pool;
2435     CYUTF8String code(CYPoolFileUTF8String(pool, pool.strcat(CYPoolLibraryPath(pool), path, NULL)));
2436     if (code.data == NULL)
2437         return false;
2438
2439     code = CYPoolCode(pool, code);
2440     _jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0);
2441     return true;
2442 }
2443
2444 extern "C" void CYDestroyWeak(JSWeakObjectMapRef weak, void *data) {
2445 }
2446
2447 extern "C" void CYSetupContext(JSGlobalContextRef context) {
2448     CYInitializeDynamic();
2449
2450     JSObjectRef global(CYGetGlobalObject(context));
2451
2452     JSObjectRef cy(CYPrivate<Context>::Make(context, context));
2453     CYSetProperty(context, global, cy_s, cy, kJSPropertyAttributeDontEnum);
2454
2455 /* Cache Globals {{{ */
2456     JSObjectRef Array(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array"))));
2457     CYSetProperty(context, cy, CYJSString("Array"), Array);
2458
2459     JSObjectRef Array_prototype(CYCastJSObject(context, CYGetProperty(context, Array, prototype_s)));
2460     CYSetProperty(context, cy, CYJSString("Array_prototype"), Array_prototype);
2461
2462     JSObjectRef Boolean(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Boolean"))));
2463     CYSetProperty(context, cy, CYJSString("Boolean"), Boolean);
2464
2465     JSObjectRef Boolean_prototype(CYCastJSObject(context, CYGetProperty(context, Boolean, prototype_s)));
2466     CYSetProperty(context, cy, CYJSString("Boolean_prototype"), Boolean_prototype);
2467
2468     JSObjectRef Error(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error"))));
2469     CYSetProperty(context, cy, CYJSString("Error"), Error);
2470
2471     JSObjectRef Function(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function"))));
2472     CYSetProperty(context, cy, CYJSString("Function"), Function);
2473
2474     JSObjectRef Function_prototype(CYCastJSObject(context, CYGetProperty(context, Function, prototype_s)));
2475     CYSetProperty(context, cy, CYJSString("Function_prototype"), Function_prototype);
2476
2477     JSObjectRef JSON(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("JSON"))));
2478     CYSetProperty(context, cy, CYJSString("JSON"), JSON);
2479
2480     JSObjectRef Number(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Number"))));
2481     CYSetProperty(context, cy, CYJSString("Number"), Number);
2482
2483     JSObjectRef Number_prototype(CYCastJSObject(context, CYGetProperty(context, Number, prototype_s)));
2484     CYSetProperty(context, cy, CYJSString("Number_prototype"), Number_prototype);
2485
2486     JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
2487     CYSetProperty(context, cy, CYJSString("Object"), Object);
2488
2489     JSObjectRef Object_prototype(CYCastJSObject(context, CYGetProperty(context, Object, prototype_s)));
2490     CYSetProperty(context, cy, CYJSString("Object_prototype"), Object_prototype);
2491
2492     JSObjectRef String(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String"))));
2493     CYSetProperty(context, cy, CYJSString("String"), String);
2494
2495     JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s)));
2496     CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype);
2497
2498     JSObjectRef SyntaxError(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("SyntaxError"))));
2499     CYSetProperty(context, cy, CYJSString("SyntaxError"), SyntaxError);
2500 /* }}} */
2501
2502     CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2503     CYSetProperty(context, String_prototype, toCYON_s, &String_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2504
2505     JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
2506     CYSetProperty(context, global, CYJSString("Cycript"), cycript);
2507     CYSetProperty(context, cycript, CYJSString("compile"), &Cycript_compile_callAsFunction);
2508     CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction);
2509
2510     JSObjectRef CArray(JSObjectMakeConstructor(context, CYPrivate<::CArray>::Class_, &CArray_new));
2511     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CArray, prototype_s)), Array_prototype);
2512     CYSetProperty(context, cycript, CYJSString("CArray"), CArray);
2513
2514     JSObjectRef CString(JSObjectMakeConstructor(context, CYPrivate<::CString>::Class_, &CString_new));
2515     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CString, prototype_s)), String_prototype);
2516     CYSetProperty(context, cycript, CYJSString("CString"), CString);
2517
2518     JSObjectRef Functor(JSObjectMakeConstructor(context, cy::Functor::Class_, &Functor_new));
2519     JSObjectRef Functor_prototype(CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)));
2520     CYSetPrototype(context, Functor_prototype, Function_prototype);
2521     CYSetProperty(context, cy, CYJSString("Functor_prototype"), Functor_prototype);
2522     CYSetProperty(context, cycript, CYJSString("Functor"), Functor);
2523
2524     CYSetProperty(context, cycript, CYJSString("Pointer"), JSObjectMakeConstructor(context, CYPrivate<Pointer>::Class_, &Pointer_new));
2525
2526     JSObjectRef Type(JSObjectMakeConstructor(context, CYPrivate<Type_privateData>::Class_, &Type_new));
2527     JSObjectRef Type_prototype(CYCastJSObject(context, CYGetProperty(context, Type, prototype_s)));
2528     CYSetPrototype(context, Type_prototype, Function_prototype);
2529     CYSetProperty(context, cy, CYJSString("Type_prototype"), Type_prototype);
2530     CYSetProperty(context, cycript, CYJSString("Type"), Type);
2531
2532     JSObjectRef Character_prototype(JSObjectMake(context, NULL, NULL));
2533     CYSetPrototype(context, Character_prototype, String_prototype);
2534     CYSetProperty(context, cy, CYJSString("Character_prototype"), Character_prototype);
2535     CYSetProperty(context, Character_prototype, CYJSString("valueOf"), _jsccall(JSEvaluateScript, context, CYJSString("(function(){return this.charCodeAt(0);})"), NULL, NULL, 0));
2536
2537     JSObjectRef modules(JSObjectMake(context, NULL, NULL));
2538     CYSetProperty(context, cy, CYJSString("modules"), modules);
2539
2540     JSObjectRef all(JSObjectMake(context, All_, NULL));
2541     CYSetProperty(context, cycript, CYJSString("all"), all);
2542
2543     JSObjectRef cache(JSObjectMake(context, NULL, NULL));
2544     CYSetProperty(context, cy, CYJSString("cache"), cache);
2545     CYSetPrototype(context, cache, all);
2546
2547     JSObjectRef alls(_jsccall(JSObjectCallAsConstructor, context, Array, 0, NULL));
2548     CYSetProperty(context, cycript, CYJSString("alls"), alls);
2549
2550     if (true) {
2551         JSObjectRef last(NULL), curr(global);
2552
2553         goto next; for (JSValueRef next;;) {
2554             if (JSValueIsNull(context, next))
2555                 break;
2556             last = curr;
2557             curr = CYCastJSObject(context, next);
2558           next:
2559             next = JSObjectGetPrototype(context, curr);
2560         }
2561
2562         CYSetPrototype(context, last, cache);
2563     }
2564
2565 #ifdef __APPLE__
2566     if (&JSWeakObjectMapCreate != NULL) {
2567         JSWeakObjectMapRef weak(JSWeakObjectMapCreate(context, NULL, &CYDestroyWeak));
2568         CYSetProperty(context, cy, weak_s, CYCastJSValue(context, reinterpret_cast<uintptr_t>(weak)));
2569     }
2570 #endif
2571
2572     CYSetProperty(context, String_prototype, cyt_s, CYMakeType(context, sig::String(true)), kJSPropertyAttributeDontEnum);
2573
2574     CYSetProperty(context, cache, CYJSString("dlerror"), CYMakeFunctor(context, "dlerror", "*"), kJSPropertyAttributeDontEnum);
2575     CYSetProperty(context, cache, CYJSString("RTLD_DEFAULT"), CYCastJSValue(context, reinterpret_cast<intptr_t>(RTLD_DEFAULT)), kJSPropertyAttributeDontEnum);
2576     CYSetProperty(context, cache, CYJSString("dlsym"), CYMakeFunctor(context, "dlsym", "^v^v*"), kJSPropertyAttributeDontEnum);
2577
2578     CYSetProperty(context, cache, CYJSString("NULL"), CYJSNull(context), kJSPropertyAttributeDontEnum);
2579
2580     CYSetProperty(context, cache, CYJSString("bool"), CYMakeType(context, sig::Primitive<bool>()), kJSPropertyAttributeDontEnum);
2581     CYSetProperty(context, cache, CYJSString("char"), CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
2582     CYSetProperty(context, cache, CYJSString("schar"), CYMakeType(context, sig::Primitive<signed char>()), kJSPropertyAttributeDontEnum);
2583     CYSetProperty(context, cache, CYJSString("uchar"), CYMakeType(context, sig::Primitive<unsigned char>()), kJSPropertyAttributeDontEnum);
2584
2585     CYSetProperty(context, cache, CYJSString("short"), CYMakeType(context, sig::Primitive<short>()), kJSPropertyAttributeDontEnum);
2586     CYSetProperty(context, cache, CYJSString("int"), CYMakeType(context, sig::Primitive<int>()), kJSPropertyAttributeDontEnum);
2587     CYSetProperty(context, cache, CYJSString("long"), CYMakeType(context, sig::Primitive<long>()), kJSPropertyAttributeDontEnum);
2588     CYSetProperty(context, cache, CYJSString("longlong"), CYMakeType(context, sig::Primitive<long long>()), kJSPropertyAttributeDontEnum);
2589
2590     CYSetProperty(context, cache, CYJSString("ushort"), CYMakeType(context, sig::Primitive<unsigned short>()), kJSPropertyAttributeDontEnum);
2591     CYSetProperty(context, cache, CYJSString("uint"), CYMakeType(context, sig::Primitive<unsigned int>()), kJSPropertyAttributeDontEnum);
2592     CYSetProperty(context, cache, CYJSString("ulong"), CYMakeType(context, sig::Primitive<unsigned long>()), kJSPropertyAttributeDontEnum);
2593     CYSetProperty(context, cache, CYJSString("ulonglong"), CYMakeType(context, sig::Primitive<unsigned long long>()), kJSPropertyAttributeDontEnum);
2594
2595 #ifdef __SIZEOF_INT128__
2596     CYSetProperty(context, cache, CYJSString("int128"), CYMakeType(context, sig::Primitive<__int128>()), kJSPropertyAttributeDontEnum);
2597     CYSetProperty(context, cache, CYJSString("uint128"), CYMakeType(context, sig::Primitive<unsigned __int128>()), kJSPropertyAttributeDontEnum);
2598 #endif
2599
2600     CYSetProperty(context, cache, CYJSString("float"), CYMakeType(context, sig::Primitive<float>()), kJSPropertyAttributeDontEnum);
2601     CYSetProperty(context, cache, CYJSString("double"), CYMakeType(context, sig::Primitive<double>()), kJSPropertyAttributeDontEnum);
2602     CYSetProperty(context, cache, CYJSString("longdouble"), CYMakeType(context, sig::Primitive<long double>()), kJSPropertyAttributeDontEnum);
2603
2604     CYSetProperty(context, global, CYJSString("require"), &require_callAsFunction, kJSPropertyAttributeDontEnum);
2605
2606     JSObjectRef System(JSObjectMake(context, NULL, NULL));
2607     CYSetProperty(context, all, CYJSString("system"), System);
2608     System = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("system")));
2609     CYSetProperty(context, cy, CYJSString("System"), System);
2610
2611     JSObjectRef process(JSObjectMake(context, NULL, NULL));
2612     CYSetProperty(context, global, CYJSString("process"), process);
2613     CYSetProperty(context, cy, CYJSString("process"), process);
2614
2615     CYSetProperty(context, System, CYJSString("args"), CYJSNull(context));
2616     CYSetProperty(context, System, CYJSString("print"), &System_print);
2617
2618     CYSetProperty(context, global, CYJSString("global"), global);
2619     CYSetProperty(context, global, CYJSString("print"), &Global_print);
2620
2621     for (CYHook *hook : GetHooks())
2622         if (hook->SetupContext != NULL)
2623             (*hook->SetupContext)(context);
2624
2625     CYArrayPush(context, alls, cycript);
2626
2627     CYRunScript(context, "/libcycript.cy");
2628 }
2629
2630 static JSGlobalContextRef context_;
2631
2632 _visible JSGlobalContextRef CYGetJSContext() {
2633     CYInitializeDynamic();
2634
2635     if (context_ == NULL) {
2636         context_ = JSGlobalContextCreate(Global_);
2637         CYSetupContext(context_);
2638     }
2639
2640     return context_;
2641 }
2642
2643 _visible void CYDestroyContext() {
2644     if (context_ == NULL)
2645         return;
2646     JSGlobalContextRelease(context_);
2647     context_ = NULL;
2648 }