Execute.cpp

   1 /* Cycript - The Truly Universal Scripting Language
   2  * Copyright (C) 2009-2016  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Affero General Public License, Version 3 {{{ */
   6 /*
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #include "cycript.hpp"
  23
  24 #include <iostream>
  25 #include <set>
  26 #include <map>
  27 #include <iomanip>
  28 #include <sstream>
  29 #include <cmath>
  30
  31 #include <dlfcn.h>
  32 #include <dirent.h>
  33 #include <fcntl.h>
  34 #include <unistd.h>
  35
  36 #include <sys/mman.h>
  37 #include <sys/stat.h>
  38
  39 #include <sqlite3.h>
  40
  41 #include "sig/parse.hpp"
  42 #include "sig/ffi_type.hpp"
  43
  44 #include "Bridge.hpp"
  45 #include "Code.hpp"
  46 #include "Decode.hpp"
  47 #include "Error.hpp"
  48 #include "Execute.hpp"
  49 #include "Internal.hpp"
  50 #include "JavaScript.hpp"
  51 #include "Pooling.hpp"
  52 #include "String.hpp"
  53
  54 const char *sqlite3_column_string(sqlite3_stmt *stmt, int n) {
  55     return reinterpret_cast<const char *>(sqlite3_column_text(stmt, n));
  56 }
  57
  58 char *sqlite3_column_pooled(CYPool &pool, sqlite3_stmt *stmt, int n) {
  59     if (const char *value = sqlite3_column_string(stmt, n))
  60         return pool.strdup(value);
  61     else return NULL;
  62 }
  63
  64 static std::vector<CYHook *> &GetHooks() {
  65     static std::vector<CYHook *> hooks;
  66     return hooks;
  67 }
  68
  69 CYRegisterHook::CYRegisterHook(CYHook *hook) {
  70     GetHooks().push_back(hook);
  71 }
  72
  73 /* JavaScript Properties {{{ */
  74 bool CYHasProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
  75     return JSObjectHasProperty(context, object, name);
  76 }
  77
  78 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) {
  79     return _jsccall(JSObjectGetPropertyAtIndex, context, object, index);
  80 }
  81
  82 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
  83     return _jsccall(JSObjectGetProperty, context, object, name);
  84 }
  85
  86 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value) {
  87     _jsccall(JSObjectSetPropertyAtIndex, context, object, index, value);
  88 }
  89
  90 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes) {
  91     _jsccall(JSObjectSetProperty, context, object, name, value, attributes);
  92 }
  93
  94 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes) {
  95     CYSetProperty(context, object, name, JSObjectMakeFunctionWithCallback(context, name, callback), attributes);
  96 }
  97
  98 JSObjectRef CYGetPrototype(JSContextRef context, JSObjectRef object) {
  99     return CYCastJSObject(context, JSObjectGetPrototype(context, object));
 100 }
 101
 102 void CYSetPrototype(JSContextRef context, JSObjectRef object, JSValueRef value) {
 103     _assert(!JSValueIsUndefined(context, value));
 104     JSObjectSetPrototype(context, object, value);
 105     _assert(CYIsStrictEqual(context, JSObjectGetPrototype(context, object), value));
 106 }
 107 /* }}} */
 108 /* JavaScript Strings {{{ */
 109 JSStringRef CYCopyJSString(const char *value) {
 110     return value == NULL ? NULL : JSStringCreateWithUTF8CString(value);
 111 }
 112
 113 JSStringRef CYCopyJSString(JSStringRef value) {
 114     return value == NULL ? NULL : JSStringRetain(value);
 115 }
 116
 117 JSStringRef CYCopyJSString(CYUTF8String value) {
 118     if (memchr(value.data, '\0', value.size) != NULL) {
 119         CYPool pool;
 120         return CYCopyJSString(CYPoolUTF16String(pool, value));
 121     } else if (value.data[value.size] != '\0') {
 122         CYPool pool;
 123         return CYCopyJSString(pool.strmemdup(value.data, value.size));
 124     } else {
 125         return CYCopyJSString(value.data);
 126     }
 127 }
 128
 129 JSStringRef CYCopyJSString(const std::string &value) {
 130     return CYCopyJSString(CYUTF8String(value.c_str(), value.size()));
 131 }
 132
 133 JSStringRef CYCopyJSString(CYUTF16String value) {
 134     return JSStringCreateWithCharacters(value.data, value.size);
 135 }
 136
 137 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
 138     if (JSValueIsNull(context, value))
 139         return NULL;
 140     return _jsccall(JSValueToStringCopy, context, value);
 141 }
 142
 143 CYUTF16String CYCastUTF16String(JSStringRef value) {
 144     return CYUTF16String(JSStringGetCharactersPtr(value), JSStringGetLength(value));
 145 }
 146
 147 const char *CYPoolCString(CYPool &pool, CYUTF8String utf8) {
 148     return pool.strndup(utf8.data, utf8.size);
 149 }
 150
 151 CYUTF8String CYPoolUTF8String(CYPool &pool, CYUTF8String utf8) {
 152     return {pool.strndup(utf8.data, utf8.size), utf8.size};
 153 }
 154
 155 _visible CYUTF8String CYPoolUTF8String(CYPool &pool, const std::string &value) {
 156     return {pool.strndup(value.data(), value.size()), value.size()};
 157 }
 158
 159 CYUTF8String CYPoolUTF8String(CYPool &pool, JSContextRef context, JSStringRef value) {
 160     return CYPoolUTF8String(pool, CYCastUTF16String(value));
 161 }
 162
 163 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSStringRef value) {
 164     CYUTF8String utf8(CYPoolUTF8String(pool, context, value));
 165     _assert(memchr(utf8.data, '\0', utf8.size) == NULL);
 166     return utf8.data;
 167 }
 168
 169 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSValueRef value) {
 170     return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, context, CYJSString(context, value));
 171 }
 172 /* }}} */
 173 /* Index Offsets {{{ */
 174 size_t CYGetIndex(CYPool &pool, JSContextRef context, JSStringRef value) {
 175     return CYGetIndex(CYPoolUTF8String(pool, context, value));
 176 }
 177 /* }}} */
 178
 179 static JSObjectRef (*JSObjectMakeArray$)(JSContextRef, size_t, const JSValueRef[], JSValueRef *);
 180
 181 JSObjectRef CYObjectMakeArray(JSContextRef context, size_t length, const JSValueRef values[]) {
 182     if (JSObjectMakeArray$ != NULL)
 183         return _jsccall(*JSObjectMakeArray$, context, length, values);
 184     else {
 185         JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array")));
 186         JSValueRef value(CYCallAsFunction(context, Array, NULL, length, values));
 187         return CYCastJSObject(context, value);
 188     }
 189 }
 190
 191 static JSClassRef All_;
 192 JSClassRef cy::Functor::Class_;
 193 static JSClassRef Global_;
 194
 195 JSStringRef Array_s;
 196 JSStringRef constructor_s;
 197 JSStringRef cy_s;
 198 JSStringRef cyi_s;
 199 JSStringRef cyt_s;
 200 JSStringRef length_s;
 201 JSStringRef message_s;
 202 JSStringRef name_s;
 203 JSStringRef pop_s;
 204 JSStringRef prototype_s;
 205 JSStringRef push_s;
 206 JSStringRef splice_s;
 207 JSStringRef toCYON_s;
 208 JSStringRef toJSON_s;
 209 JSStringRef toPointer_s;
 210 JSStringRef toString_s;
 211 JSStringRef weak_s;
 212
 213 static sqlite3 *database_;
 214
 215 static JSStringRef Result_;
 216
 217 void CYFinalize(JSObjectRef object) {
 218     CYData *internal(reinterpret_cast<CYData *>(JSObjectGetPrivate(object)));
 219     _assert(internal->count_ != _not(unsigned));
 220     if (--internal->count_ == 0)
 221         delete internal;
 222 }
 223
 224 sig::Type *Structor_(CYPool &pool, sig::Aggregate *aggregate) {
 225     //_assert(false);
 226     return aggregate;
 227 }
 228
 229 struct Context :
 230     CYRoot
 231 {
 232     JSGlobalContextRef context_;
 233
 234     Context(JSGlobalContextRef context) :
 235         context_(context)
 236     {
 237     }
 238 };
 239
 240 struct CArray :
 241     CYRoot
 242 {
 243     void *value_;
 244     CYProtect owner_;
 245     Type_privateData *type_;
 246     size_t length_;
 247
 248     CArray(void *value, size_t length, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 249         value_(value),
 250         owner_(context, owner),
 251         type_(new(*pool_) Type_privateData(type, ffi)),
 252         length_(length)
 253     {
 254     }
 255 };
 256
 257 struct CString :
 258     CYRoot
 259 {
 260     char *value_;
 261     CYProtect owner_;
 262
 263     CString(char *value, JSContextRef context, JSObjectRef owner) :
 264         value_(value),
 265         owner_(context, owner)
 266     {
 267     }
 268 };
 269
 270 struct Pointer :
 271     CYRoot
 272 {
 273     void *value_;
 274     CYProtect owner_;
 275     Type_privateData *type_;
 276
 277     Pointer(void *value, const sig::Type &type, JSContextRef context, JSObjectRef owner) :
 278         value_(value),
 279         owner_(context, owner),
 280         type_(new(*pool_) Type_privateData(type))
 281     {
 282     }
 283
 284     Pointer(void *value, const char *encoding, JSContextRef context, JSObjectRef owner) :
 285         value_(value),
 286         owner_(context, owner),
 287         type_(new(*pool_) Type_privateData(encoding))
 288     {
 289     }
 290 };
 291
 292 struct Struct_privateData :
 293     CYRoot
 294 {
 295     void *value_;
 296     CYProtect owner_;
 297     Type_privateData *type_;
 298
 299     Struct_privateData(void *value, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 300         value_(value),
 301         owner_(context, owner),
 302         type_(new(*pool_) Type_privateData(type, ffi))
 303     {
 304         if (owner == NULL) {
 305             size_t size(ffi->size);
 306             void *copy(pool_->malloc<void>(size, ffi->alignment));
 307             memcpy(copy, value_, size);
 308             value_ = copy;
 309         }
 310     }
 311 };
 312
 313 static void *CYCastSymbol(const char *name) {
 314     for (CYHook *hook : GetHooks())
 315         if (hook->CastSymbol != NULL)
 316             if (void *value = (*hook->CastSymbol)(name))
 317                 return value;
 318     return dlsym(RTLD_DEFAULT, name);
 319 }
 320
 321 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
 322     return JSValueMakeBoolean(context, value);
 323 }
 324
 325 JSValueRef CYCastJSValue(JSContextRef context, double value) {
 326     return JSValueMakeNumber(context, value);
 327 }
 328
 329 #define CYCastJSValue_(Type_) \
 330     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
 331         _assert(static_cast<Type_>(static_cast<double>(value)) == value); \
 332         return JSValueMakeNumber(context, static_cast<double>(value)); \
 333     }
 334
 335 CYCastJSValue_(signed short int)
 336 CYCastJSValue_(unsigned short int)
 337 CYCastJSValue_(signed int)
 338 CYCastJSValue_(unsigned int)
 339 CYCastJSValue_(signed long int)
 340 CYCastJSValue_(unsigned long int)
 341 CYCastJSValue_(signed long long int)
 342 CYCastJSValue_(unsigned long long int)
 343
 344 #ifdef __SIZEOF_INT128__
 345 CYCastJSValue_(signed __int128)
 346 CYCastJSValue_(unsigned __int128)
 347 #endif
 348
 349 JSValueRef CYJSUndefined(JSContextRef context) {
 350     return JSValueMakeUndefined(context);
 351 }
 352
 353 double CYCastDouble(JSContextRef context, JSValueRef value) {
 354     return _jsccall(JSValueToNumber, context, value);
 355 }
 356
 357 bool CYCastBool(JSContextRef context, JSValueRef value) {
 358     return JSValueToBoolean(context, value);
 359 }
 360
 361 JSValueRef CYJSNull(JSContextRef context) {
 362     return JSValueMakeNull(context);
 363 }
 364
 365 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) {
 366     return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value);
 367 }
 368
 369 JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
 370     return CYCastJSValue(context, CYJSString(value));
 371 }
 372
 373 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
 374     return _jsccall(JSValueToObject, context, value);
 375 }
 376
 377 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 378     return _jsccall(JSObjectCallAsFunction, context, function, _this, count, arguments);
 379 }
 380
 381 bool CYIsCallable(JSContextRef context, JSValueRef value) {
 382     return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value);
 383 }
 384
 385 bool CYIsEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) {
 386     return _jsccall(JSValueIsEqual, context, lhs, rhs);
 387 }
 388
 389 bool CYIsStrictEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) {
 390     return JSValueIsStrictEqual(context, lhs, rhs);
 391 }
 392
 393 size_t CYArrayLength(JSContextRef context, JSObjectRef array) {
 394     return CYCastDouble(context, CYGetProperty(context, array, length_s));
 395 }
 396
 397 JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index) {
 398     return _jsccall(JSObjectGetPropertyAtIndex, context, array, index);
 399 }
 400
 401 void CYArrayPush(JSContextRef context, JSObjectRef array, size_t length, const JSValueRef arguments[]) {
 402     JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype")));
 403     _jsccall(JSObjectCallAsFunction, context, CYCastJSObject(context, CYGetProperty(context, Array, push_s)), array, length, arguments);
 404 }
 405
 406 void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value) {
 407     return CYArrayPush(context, array, 1, &value);
 408 }
 409
 410 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 411     FILE *file(stdout);
 412
 413     if (count == 0)
 414         fputc('\n', file);
 415     else {
 416         CYPool pool;
 417         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 418         fwrite(string.data, string.size, 1, file);
 419     }
 420
 421     fflush(file);
 422     return CYJSUndefined(context);
 423 } CYCatch(NULL) }
 424
 425 static JSValueRef Global_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 426     FILE *file(stdout);
 427     CYPool pool;
 428
 429     for (size_t i(0); i != count; ++i) {
 430         if (i != 0)
 431             fputc(' ', file);
 432         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[i])));
 433         fwrite(string.data, string.size, 1, file);
 434     }
 435
 436     fputc('\n', file);
 437     fflush(file);
 438     return CYJSUndefined(context);
 439 } CYCatch(NULL) }
 440
 441 static void (*JSSynchronousGarbageCollectForDebugging$)(JSContextRef);
 442
 443 _visible void CYGarbageCollect(JSContextRef context) {
 444     (JSSynchronousGarbageCollectForDebugging$ ?: &JSGarbageCollect)(context);
 445 }
 446
 447 static JSValueRef Cycript_compile_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 448     CYPool pool;
 449     CYUTF8String before(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 450     CYUTF8String after(CYPoolCode(pool, before));
 451     return CYCastJSValue(context, CYJSString(after));
 452 } CYCatch_(NULL, "SyntaxError") }
 453
 454 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 455     CYGarbageCollect(context);
 456     return CYJSUndefined(context);
 457 } CYCatch(NULL) }
 458
 459 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects, JSValueRef *exception) { CYTry {
 460     switch (JSType type = JSValueGetType(context, value)) {
 461         case kJSTypeUndefined:
 462             return "undefined";
 463         case kJSTypeNull:
 464             return "null";
 465         case kJSTypeBoolean:
 466             return CYCastBool(context, value) ? "true" : "false";
 467
 468         case kJSTypeNumber: {
 469             std::ostringstream str;
 470             CYNumerify(str, CYCastDouble(context, value));
 471             std::string value(str.str());
 472             return pool.strmemdup(value.c_str(), value.size());
 473         } break;
 474
 475         case kJSTypeString: {
 476             std::ostringstream str;
 477             CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, value)));
 478             CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 479             std::string value(str.str());
 480             return pool.strmemdup(value.c_str(), value.size());
 481         } break;
 482
 483         case kJSTypeObject:
 484             return CYPoolCCYON(pool, context, (JSObjectRef) value, objects);
 485         default:
 486             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 487     }
 488 } CYCatch(NULL) }
 489
 490 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects) {
 491     return _jsccall(CYPoolCCYON, pool, context, value, objects);
 492 }
 493
 494 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> *objects) {
 495     if (objects != NULL)
 496         return CYPoolCCYON(pool, context, value, *objects);
 497     else {
 498         std::set<void *> objects;
 499         return CYPoolCCYON(pool, context, value, objects);
 500     }
 501 }
 502
 503 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object, std::set<void *> &objects) {
 504     JSValueRef toCYON(CYGetProperty(context, object, toCYON_s));
 505     if (CYIsCallable(context, toCYON)) {
 506         // XXX: this needs to be abstracted behind some kind of function
 507         JSValueRef arguments[1] = {CYCastJSValue(context, reinterpret_cast<uintptr_t>(&objects))};
 508         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 1, arguments));
 509         _assert(value != NULL);
 510         return CYPoolCString(pool, context, value);
 511     }
 512
 513     JSValueRef toJSON(CYGetProperty(context, object, toJSON_s));
 514     if (CYIsCallable(context, toJSON)) {
 515         JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 516         return _jsccall(CYPoolCCYON, pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), objects);
 517     }
 518
 519     if (JSObjectIsFunction(context, object)) {
 520         JSValueRef toString(CYGetProperty(context, object, toString_s));
 521         if (CYIsCallable(context, toString)) {
 522             JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 523             JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toString, object, 1, arguments));
 524             _assert(value != NULL);
 525             return CYPoolCString(pool, context, value);
 526         }
 527     }
 528
 529     _assert(objects.insert(object).second);
 530
 531     std::ostringstream str;
 532
 533     JSValueRef value(CYGetProperty(context, object, constructor_s));
 534     if (JSValueIsObject(context, value)) {
 535         JSObjectRef constructor(CYCastJSObject(context, value));
 536         JSValueRef theory(CYGetProperty(context, constructor, prototype_s));
 537         JSValueRef practice(JSObjectGetPrototype(context, object));
 538
 539         if (CYIsStrictEqual(context, theory, practice)) {
 540             JSValueRef name(CYGetProperty(context, constructor, name_s));
 541             if (!JSValueIsUndefined(context, name)) {
 542                 auto utf8(CYPoolUTF8String(pool, context, CYJSString(context, name)));
 543                 if (utf8 != "Object")
 544                     str << "new" << ' ' << utf8;
 545             }
 546         }
 547     }
 548
 549     str << '{';
 550
 551     // XXX: this is, sadly, going to leak
 552     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, object));
 553
 554     bool comma(false);
 555
 556     for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) {
 557         if (comma)
 558             str << ',';
 559         else
 560             comma = true;
 561
 562         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
 563         CYUTF8String string(CYPoolUTF8String(pool, context, name));
 564
 565         if (CYIsKey(string))
 566             str << string.data;
 567         else
 568             CYStringify(str, string.data, string.size, CYStringifyModeLegacy);
 569
 570         str << ':';
 571
 572         try {
 573             JSValueRef value(CYGetProperty(context, object, name));
 574             str << CYPoolCCYON(pool, context, value, objects);
 575         } catch (const CYException &error) {
 576             str << "@error";
 577         }
 578     }
 579
 580     JSPropertyNameArrayRelease(names);
 581
 582     str << '}';
 583
 584     std::string string(str.str());
 585     return pool.strmemdup(string.c_str(), string.size());
 586 }
 587
 588 std::set<void *> *CYCastObjects(JSContextRef context, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 589     if (count == 0)
 590         return NULL;
 591     return CYCastPointer<std::set<void *> *>(context, arguments[0]);
 592 }
 593
 594 static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 595     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
 596     // XXX: this is horribly inefficient
 597     std::set<void *> backup;
 598     if (objects == NULL)
 599         objects = &backup;
 600
 601     CYPool pool;
 602     std::ostringstream str;
 603
 604     str << '[';
 605
 606     JSValueRef length(CYGetProperty(context, _this, length_s));
 607     bool comma(false);
 608
 609     for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) {
 610         if (comma)
 611             str << ',';
 612         else
 613             comma = true;
 614
 615         try {
 616             JSValueRef value(CYGetProperty(context, _this, index));
 617             if (!JSValueIsUndefined(context, value))
 618                 str << CYPoolCCYON(pool, context, value, *objects);
 619             else {
 620                 str << ',';
 621                 comma = false;
 622             }
 623         } catch (const CYException &error) {
 624             str << "@error";
 625         }
 626     }
 627
 628     str << ']';
 629
 630     std::string value(str.str());
 631     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 632 } CYCatch(NULL) }
 633
 634 static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 635     CYPool pool;
 636     std::ostringstream str;
 637
 638     CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, _this)));
 639     CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 640
 641     std::string value(str.str());
 642     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 643 } CYCatch(NULL) }
 644
 645 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, const sig::Type &type, ffi_type *ffi, JSObjectRef owner) {
 646     return CYPrivate<Pointer>::Make(context, pointer, type, context, owner);
 647 }
 648
 649 static JSValueRef CYMakeFunctor(JSContextRef context, void (*function)(), bool variadic, const sig::Signature &signature) {
 650     if (function == NULL)
 651         return CYJSNull(context);
 652     return JSObjectMake(context, cy::Functor::Class_, new cy::Functor(function, variadic, signature));
 653 }
 654
 655 // XXX: remove this, as it is really stupid
 656 static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *encoding) {
 657     void (*function)()(reinterpret_cast<void (*)()>(CYCastSymbol(symbol)));
 658     if (function == NULL)
 659         return NULL;
 660
 661     cy::Functor *internal(new cy::Functor(function, encoding));
 662     ++internal->count_;
 663     return JSObjectMake(context, cy::Functor::Class_, internal);
 664 }
 665
 666 bool CYGetOffset(CYPool &pool, JSContextRef context, JSStringRef value, ssize_t &index) {
 667     return CYGetOffset(CYPoolCString(pool, context, value), index);
 668 }
 669
 670 void *CYCastPointer_(JSContextRef context, JSValueRef value, bool *guess) {
 671     if (value == NULL)
 672         return NULL;
 673     else switch (JSValueGetType(context, value)) {
 674         case kJSTypeNull:
 675             return NULL;
 676         case kJSTypeObject: {
 677             JSObjectRef object((JSObjectRef) value);
 678             if (JSValueIsObjectOfClass(context, value, CYPrivate<Pointer>::Class_)) {
 679                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
 680                 return internal->value_;
 681             }
 682             JSValueRef toPointer(CYGetProperty(context, object, toPointer_s));
 683             if (CYIsCallable(context, toPointer)) {
 684                 JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
 685                 _assert(value != NULL);
 686                 return CYCastPointer_(context, value, guess);
 687             }
 688         } default:
 689             if (guess != NULL)
 690                 *guess = true;
 691         case kJSTypeNumber:
 692             double number(CYCastDouble(context, value));
 693             if (!std::isnan(number))
 694                 return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
 695             if (guess == NULL)
 696                 throw CYJSError(context, "cannot convert value to pointer");
 697             else {
 698                 *guess = true;
 699                 return NULL;
 700             }
 701     }
 702 }
 703
 704 namespace sig {
 705
 706 // XXX: this is somehow not quite a template :/
 707
 708 template <>
 709 void Primitive<bool>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 710     *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
 711 }
 712
 713 #define CYPoolFFI_(Type_) \
 714 template <> \
 715 void Primitive<Type_>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const { \
 716     *reinterpret_cast<Type_ *>(data) = CYCastDouble(context, value); \
 717 }
 718
 719 CYPoolFFI_(double)
 720 CYPoolFFI_(float)
 721 CYPoolFFI_(signed char)
 722 CYPoolFFI_(signed int)
 723 CYPoolFFI_(signed long int)
 724 CYPoolFFI_(signed long long int)
 725 CYPoolFFI_(signed short int)
 726 CYPoolFFI_(unsigned char)
 727 CYPoolFFI_(unsigned int)
 728 CYPoolFFI_(unsigned long int)
 729 CYPoolFFI_(unsigned long long int)
 730 CYPoolFFI_(unsigned short int)
 731
 732 #ifdef __SIZEOF_INT128__
 733 CYPoolFFI_(signed __int128)
 734 CYPoolFFI_(unsigned __int128)
 735 #endif
 736
 737 template <>
 738 void Primitive<char>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 739     if (JSValueGetType(context, value) != kJSTypeString)
 740         *reinterpret_cast<char *>(data) = CYCastDouble(context, value);
 741     else {
 742         CYJSString script(context, value);
 743         auto string(CYCastUTF16String(script));
 744         _assert(string.size == 1);
 745         *reinterpret_cast<char *>(data) = string.data[0];
 746     }
 747 }
 748
 749 void Void::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 750     _assert(false);
 751 }
 752
 753 void Unknown::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 754     _assert(false);
 755 }
 756
 757 void String::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 758     bool guess(false);
 759     *reinterpret_cast<const char **>(data) = CYCastPointer<const char *>(context, value, &guess);
 760     if (guess && pool != NULL)
 761         *reinterpret_cast<const char **>(data) = CYPoolCString(*pool, context, value);
 762 }
 763
 764 void Bits::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 765     _assert(false);
 766 }
 767
 768 static void CYArrayCopy(CYPool *pool, JSContextRef context, uint8_t *base, size_t length, const sig::Type &type, ffi_type *ffi, JSValueRef value, JSObjectRef object) {
 769     for (size_t index(0); index != length; ++index) {
 770         JSValueRef rhs;
 771         if (object == NULL)
 772             rhs = value;
 773         else {
 774             rhs = CYGetProperty(context, object, index);
 775             if (JSValueIsUndefined(context, rhs))
 776                 throw CYJSError(context, "unable to extract array value");
 777         }
 778
 779         type.PoolFFI(pool, context, ffi, base, rhs);
 780         base += ffi->size;
 781     }
 782 }
 783
 784 void Pointer::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 785     bool guess(false);
 786     *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value, &guess);
 787     if (!guess || pool == NULL || !JSValueIsObject(context, value))
 788         return;
 789     JSObjectRef object(CYCastJSObject(context, value));
 790     if (CYHasProperty(context, object, length_s)) {
 791         size_t length(CYArrayLength(context, object));
 792         ffi_type *element(type.GetFFI(*pool));
 793         size_t size(element->size * length);
 794         uint8_t *base(pool->malloc<uint8_t>(size, element->alignment));
 795         CYArrayCopy(pool, context, base, length, type, element, value, object);
 796         *reinterpret_cast<void **>(data) = base;
 797     }
 798 }
 799
 800 void Array::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 801     if (size == 0)
 802         return;
 803     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 804     JSObjectRef object(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
 805     CYArrayCopy(pool, context, base, size, type, ffi->elements[0], value, object);
 806 }
 807
 808 void Enum::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 809     return type.PoolFFI(pool, context, ffi, data, value);
 810 }
 811
 812 void Aggregate::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 813     _assert(!overlap);
 814     _assert(signature.count != _not(size_t));
 815
 816     size_t offset(0);
 817     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 818     JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
 819     for (size_t index(0); index != signature.count; ++index) {
 820         sig::Element *element(&signature.elements[index]);
 821         ffi_type *field(ffi->elements[index]);
 822
 823         JSValueRef rhs;
 824         if (aggregate == NULL)
 825             rhs = value;
 826         else {
 827             rhs = CYGetProperty(context, aggregate, index);
 828             if (JSValueIsUndefined(context, rhs)) {
 829                 if (element->name != NULL)
 830                     rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
 831                 else
 832                     goto undefined;
 833                 if (JSValueIsUndefined(context, rhs)) undefined:
 834                     throw CYJSError(context, "unable to extract structure value");
 835             }
 836         }
 837
 838         element->type->PoolFFI(pool, context, field, base + offset, rhs);
 839         offset += field->size;
 840         CYAlign(offset, field->alignment);
 841     }
 842 }
 843
 844 void Function::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 845     _assert(false);
 846 }
 847
 848 #define CYFromFFI_(Type_) \
 849 template <> \
 850 JSValueRef Primitive<Type_>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const { \
 851     return CYCastJSValue(context, *reinterpret_cast<Type_ *>(data)); \
 852 }
 853
 854 CYFromFFI_(bool)
 855 CYFromFFI_(double)
 856 CYFromFFI_(float)
 857 CYFromFFI_(signed char)
 858 CYFromFFI_(signed int)
 859 CYFromFFI_(signed long int)
 860 CYFromFFI_(signed long long int)
 861 CYFromFFI_(signed short int)
 862 CYFromFFI_(unsigned char)
 863 CYFromFFI_(unsigned int)
 864 CYFromFFI_(unsigned long int)
 865 CYFromFFI_(unsigned long long int)
 866 CYFromFFI_(unsigned short int)
 867
 868 #ifdef __SIZEOF_INT128__
 869 CYFromFFI_(signed __int128)
 870 CYFromFFI_(unsigned __int128)
 871 #endif
 872
 873 template <>
 874 JSValueRef Primitive<char>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 875     uint16_t string(uint8_t(*reinterpret_cast<char *>(data)));
 876     JSValueRef value(CYCastJSValue(context, CYJSString(CYUTF16String(&string, 1))));
 877     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("String")), 1, &value));
 878     CYSetProperty(context, typed, cyt_s, CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
 879     CYSetPrototype(context, typed, CYGetCachedValue(context, CYJSString("Character_prototype")));
 880     return typed;
 881 }
 882
 883 JSValueRef Void::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 884     return CYJSUndefined(context);
 885 }
 886
 887 JSValueRef Unknown::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 888     _assert(false);
 889 }
 890
 891 JSValueRef String::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 892     if (char *value = *reinterpret_cast<char **>(data))
 893         return CYPrivate<CString>::Make(context, value, context, owner);
 894     return CYJSNull(context);
 895 }
 896
 897 JSValueRef Bits::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 898     _assert(false);
 899 }
 900
 901 JSValueRef Pointer::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 902     if (void *value = *reinterpret_cast<void **>(data))
 903         return CYMakePointer(context, value, type, NULL, owner);
 904     return CYJSNull(context);
 905 }
 906
 907 JSValueRef Array::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 908     return CYPrivate<CArray>::Make(context, data, size, type, ffi->elements[0], context, owner);
 909 }
 910
 911 JSValueRef Enum::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 912     return type.FromFFI(context, ffi, data, initialize, owner);
 913 }
 914
 915 JSValueRef Aggregate::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 916     _assert(!overlap);
 917     _assert(signature.count != _not(size_t));
 918     return CYPrivate<Struct_privateData>::Make(context, data, *this, ffi, context, owner);
 919 }
 920
 921 JSValueRef Function::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 922     return CYMakeFunctor(context, reinterpret_cast<void (*)()>(data), variadic, signature);
 923 }
 924
 925 }
 926
 927 void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg) {
 928     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
 929
 930     JSContextRef context(internal->function_);
 931
 932     size_t count(internal->cif_.nargs);
 933     JSValueRef values[count];
 934
 935     for (size_t index(0); index != count; ++index)
 936         values[index] = internal->signature_.elements[1 + index].type->FromFFI(context, internal->cif_.arg_types[index], arguments[index]);
 937
 938     JSValueRef value(internal->adapter_(context, count, values, internal->function_));
 939     if (internal->cif_.rtype != &ffi_type_void)
 940         internal->signature_.elements[0].type->PoolFFI(NULL, context, internal->cif_.rtype, result, value);
 941 }
 942
 943 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
 944     return CYCallAsFunction(context, function, NULL, count, values);
 945 }
 946
 947 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 948 static void CYFreeFunctor(void *data) {
 949     ffi_closure_free(data);
 950 }
 951 #else
 952 static void CYFreeFunctor(void *data) {
 953     _syscall(munmap(data, sizeof(ffi_closure)));
 954 }
 955 #endif
 956
 957 Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const sig::Signature &signature, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) {
 958     // XXX: in case of exceptions this will leak
 959     Closure_privateData *internal(new Closure_privateData(context, function, adapter, signature));
 960
 961 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 962     void *executable;
 963     ffi_closure *writable(reinterpret_cast<ffi_closure *>(ffi_closure_alloc(sizeof(ffi_closure), &executable)));
 964
 965     ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, &CYExecuteClosure, internal, executable));
 966     _assert(status == FFI_OK);
 967
 968     internal->pool_->atexit(&CYFreeFunctor, writable);
 969     internal->value_ = reinterpret_cast<void (*)()>(executable);
 970 #else
 971     ffi_closure *closure((ffi_closure *) _syscall(mmap(
 972         NULL, sizeof(ffi_closure),
 973         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
 974         -1, 0
 975     )));
 976
 977     ffi_status status(ffi_prep_closure(closure, &internal->cif_, &CYExecuteClosure, internal));
 978     _assert(status == FFI_OK);
 979
 980     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
 981
 982     internal->pool_->atexit(&CYFreeFunctor, closure);
 983     internal->value_ = reinterpret_cast<void (*)()>(closure);
 984 #endif
 985
 986     return internal;
 987 }
 988
 989 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const sig::Signature &signature) {
 990     Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &FunctionAdapter_));
 991     JSObjectRef object(JSObjectMake(context, cy::Functor::Class_, internal));
 992     // XXX: see above notes about needing to leak
 993     JSValueProtect(CYGetJSContext(context), object);
 994     return object;
 995 }
 996
 997 JSValueRef CYGetCachedValue(JSContextRef context, JSStringRef name) {
 998     return CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name);
 999 }
1000
1001 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) {
1002     return CYCastJSObject(context, CYGetCachedValue(context, name));
1003 }
1004
1005 static JSValueRef CYMakeFunctor(JSContextRef context, JSValueRef value, bool variadic, const sig::Signature &signature) {
1006     JSObjectRef Function(CYGetCachedObject(context, CYJSString("Function")));
1007
1008     bool function(_jsccall(JSValueIsInstanceOfConstructor, context, value, Function));
1009     if (function) {
1010         JSObjectRef function(CYCastJSObject(context, value));
1011         return CYMakeFunctor(context, function, signature);
1012     } else {
1013         void (*function)()(CYCastPointer<void (*)()>(context, value));
1014         return CYMakeFunctor(context, function, variadic, signature);
1015     }
1016 }
1017
1018 static JSValueRef CString_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1019     CYPool pool;
1020     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1021
1022     ssize_t offset;
1023     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1024         offset = 0;
1025     else if (!CYGetOffset(pool, context, property, offset))
1026         return NULL;
1027
1028     sig::Primitive<char> type;
1029     return type.FromFFI(context, type.GetFFI(pool), internal->value_ + offset, false, NULL);
1030 } CYCatch(NULL) }
1031
1032 static bool CString_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1033     CYPool pool;
1034     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1035
1036     ssize_t offset;
1037     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1038         offset = 0;
1039     else if (!CYGetOffset(pool, context, property, offset))
1040         return false;
1041
1042     sig::Primitive<char> type;
1043     type.PoolFFI(NULL, context, type.GetFFI(pool), internal->value_ + offset, value);
1044     return true;
1045 } CYCatch(false) }
1046
1047 static bool Index_(CYPool &pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
1048     Type_privateData *typical(internal->type_);
1049     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1050     if (type == NULL)
1051         return false;
1052
1053     const char *name(CYPoolCString(pool, context, property));
1054     size_t length(strlen(name));
1055     double number(CYCastDouble(name, length));
1056
1057     size_t count(type->signature.count);
1058
1059     if (std::isnan(number)) {
1060         if (property == NULL)
1061             return false;
1062
1063         sig::Element *elements(type->signature.elements);
1064
1065         for (size_t local(0); local != count; ++local) {
1066             sig::Element *element(&elements[local]);
1067             if (element->name != NULL && strcmp(name, element->name) == 0) {
1068                 index = local;
1069                 goto base;
1070             }
1071         }
1072
1073         return false;
1074     } else {
1075         index = static_cast<ssize_t>(number);
1076         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
1077             return false;
1078     }
1079
1080   base:
1081     ffi_type **elements(typical->GetFFI()->elements);
1082
1083     size_t offset(0);
1084     for (ssize_t local(0); local != index; ++local) {
1085         offset += elements[local]->size;
1086         CYAlign(offset, elements[local + 1]->alignment);
1087     }
1088
1089     base = reinterpret_cast<uint8_t *>(internal->value_) + offset;
1090     return true;
1091 }
1092
1093 static void *Offset_(CYPool &pool, JSContextRef context, JSStringRef property, void *data, ffi_type *ffi) {
1094     ssize_t offset;
1095     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1096         offset = 0;
1097     else if (!CYGetOffset(pool, context, property, offset))
1098         return NULL;
1099     return reinterpret_cast<uint8_t *>(data) + ffi->size * offset;
1100 }
1101
1102 static JSValueRef Offset_getProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSObjectRef owner) {
1103     ffi_type *ffi(typical->GetFFI());
1104     void *base(Offset_(pool, context, property, data, ffi));
1105     if (base == NULL)
1106         return NULL;
1107     return typical->type_->FromFFI(context, ffi, base, false, owner);
1108 }
1109
1110 static bool Offset_setProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSValueRef value) {
1111     ffi_type *ffi(typical->GetFFI());
1112     void *base(Offset_(pool, context, property, data, ffi));
1113     if (base == NULL)
1114         return false;
1115
1116     typical->type_->PoolFFI(NULL, context, ffi, base, value);
1117     return true;
1118 }
1119
1120 static JSValueRef CArray_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1121     CYPool pool;
1122     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1123     if (JSStringIsEqual(property, length_s))
1124         return CYCastJSValue(context, internal->length_);
1125     Type_privateData *typical(internal->type_);
1126     JSObjectRef owner(internal->owner_ ?: object);
1127     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1128 } CYCatch(NULL) }
1129
1130 static bool CArray_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1131     CYPool pool;
1132     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1133     Type_privateData *typical(internal->type_);
1134     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1135 } CYCatch(false) }
1136
1137 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1138     CYPool pool;
1139     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1140
1141     Type_privateData *typical(internal->type_);
1142
1143     if (sig::Function *function = dynamic_cast<sig::Function *>(typical->type_)) {
1144         if (!JSStringIsEqualToUTF8CString(property, "$cyi"))
1145             return NULL;
1146         return CYMakeFunctor(context, reinterpret_cast<void (*)()>(internal->value_), function->variadic, function->signature);
1147     }
1148
1149     JSObjectRef owner(internal->owner_ ?: object);
1150     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1151 } CYCatch(NULL) }
1152
1153 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1154     CYPool pool;
1155     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1156     Type_privateData *typical(internal->type_);
1157     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1158 } CYCatch(false) }
1159
1160 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1161     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
1162     Type_privateData *typical(internal->type_);
1163     return CYMakePointer(context, internal->value_, *typical->type_, typical->ffi_, _this);
1164 } CYCatch(NULL) }
1165
1166 static JSValueRef Struct_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1167     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1168     return CYMakeType(context, *internal->type_->type_);
1169 } CYCatch(NULL) }
1170
1171 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1172     CYPool pool;
1173     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1174     Type_privateData *typical(internal->type_);
1175     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1176
1177     ssize_t index;
1178     uint8_t *base;
1179
1180     if (!Index_(pool, context, internal, property, index, base))
1181         return NULL;
1182
1183     JSObjectRef owner(internal->owner_ ?: object);
1184
1185     return type->signature.elements[index].type->FromFFI(context, typical->GetFFI()->elements[index], base, false, owner);
1186 } CYCatch(NULL) }
1187
1188 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1189     CYPool pool;
1190     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1191     Type_privateData *typical(internal->type_);
1192     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1193
1194     ssize_t index;
1195     uint8_t *base;
1196
1197     if (!Index_(pool, context, internal, property, index, base))
1198         return false;
1199
1200     type->signature.elements[index].type->PoolFFI(NULL, context, typical->GetFFI()->elements[index], base, value);
1201     return true;
1202 } CYCatch(false) }
1203
1204 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1205     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1206     Type_privateData *typical(internal->type_);
1207     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1208
1209     if (type == NULL)
1210         return;
1211
1212     size_t count(type->signature.count);
1213     sig::Element *elements(type->signature.elements);
1214
1215     char number[32];
1216
1217     for (size_t index(0); index != count; ++index) {
1218         const char *name;
1219         name = elements[index].name;
1220
1221         if (name == NULL) {
1222             sprintf(number, "%zu", index);
1223             name = number;
1224         }
1225
1226         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1227     }
1228 }
1229
1230 static sig::Void Void_;
1231 static sig::Pointer PointerToVoid_(Void_);
1232
1233 static sig::Type *CYGetType(CYPool &pool, JSContextRef context, JSValueRef value) {
1234     if (JSValueIsNull(context, value))
1235         return &PointerToVoid_;
1236     JSObjectRef object(CYCastJSObject(context, value));
1237     JSObjectRef type(CYCastJSObject(context, CYGetProperty(context, object, cyt_s)));
1238     _assert(JSValueIsObjectOfClass(context, type, CYPrivate<Type_privateData>::Class_));
1239     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(type)));
1240     return internal->type_;
1241 }
1242
1243 void CYCallFunction(CYPool &pool, JSContextRef context, ffi_cif *cif, void (*function)(), void *value, void **values) {
1244     ffi_call(cif, function, value, values);
1245 }
1246
1247 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)()) {
1248     size_t have(setups + count);
1249     size_t need(signature.count - 1);
1250
1251     if (have < need)
1252         throw CYJSError(context, "insufficient number of arguments to ffi function");
1253
1254     ffi_cif corrected;
1255     sig::Element *elements(signature.elements);
1256
1257     if (have > need) {
1258         if (!variadic)
1259             throw CYJSError(context, "exorbitant number of arguments to ffi function");
1260
1261         elements = new (pool) sig::Element[have + 1];
1262         memcpy(elements, signature.elements, sizeof(sig::Element) * (need + 1));
1263
1264         for (size_t index(need); index != have; ++index) {
1265             sig::Element &element(elements[index + 1]);
1266             element.name = NULL;
1267             element.offset = _not(size_t);
1268             element.type = CYGetType(pool, context, arguments[index - setups]);
1269         }
1270
1271         sig::Signature extended;
1272         extended.elements = elements;
1273         extended.count = have + 1;
1274         sig::sig_ffi_cif(pool, signature.count, extended, &corrected);
1275         cif = &corrected;
1276     }
1277
1278     void *values[have];
1279     memcpy(values, setup, sizeof(void *) * setups);
1280
1281     for (size_t index(setups); index != have; ++index) {
1282         sig::Element &element(elements[index + 1]);
1283         ffi_type *ffi(cif->arg_types[index]);
1284         values[index] = pool.malloc<uint8_t>(ffi->size, ffi->alignment);
1285         element.type->PoolFFI(&pool, context, ffi, values[index], arguments[index - setups]);
1286     }
1287
1288     CYBuffer buffer(context);
1289     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))));
1290
1291     void (*call)(CYPool &, JSContextRef, ffi_cif *, void (*)(), void *, void **) = &CYCallFunction;
1292     // XXX: this only supports one hook, but it is a bad idea anyway
1293     for (CYHook *hook : GetHooks())
1294         if (hook->CallFunction != NULL)
1295             call = hook->CallFunction;
1296
1297     call(pool, context, cif, function, value, values);
1298     return signature.elements[0].type->FromFFI(context, cif->rtype, value, initialize, buffer);
1299 }
1300
1301 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1302     CYPool pool;
1303     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1304     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, internal->variadic_, internal->signature_, &internal->cif_, internal->value_);
1305 } CYCatch(NULL) }
1306
1307 static JSValueRef Pointer_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1308     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1309     if (dynamic_cast<sig::Function *>(internal->type_->type_) == NULL)
1310         throw CYJSError(context, "cannot call a pointer to non-function");
1311     JSObjectRef functor(CYCastJSObject(context, CYGetProperty(context, object, cyi_s)));
1312     return CYCallAsFunction(context, functor, _this, count, arguments);
1313 } CYCatch(NULL) }
1314
1315 JSObjectRef CYMakeType(JSContextRef context, const sig::Type &type) {
1316     return CYPrivate<Type_privateData>::Make(context, type);
1317 }
1318
1319 extern "C" bool CYBridgeHash(CYPool &pool, CYUTF8String name, const char *&code, unsigned &flags) {
1320     sqlite3_stmt *statement;
1321
1322     _sqlcall(sqlite3_prepare(database_,
1323         "select "
1324             "\"cache\".\"code\", "
1325             "\"cache\".\"flags\" "
1326         "from \"cache\" "
1327         "where"
1328             " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM " and"
1329             " \"cache\".\"name\" = ?"
1330         " limit 1"
1331     , -1, &statement, NULL));
1332
1333     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
1334
1335     bool success;
1336     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE)
1337         success = false;
1338     else {
1339         success = true;
1340         code = sqlite3_column_pooled(pool, statement, 0);
1341         flags = sqlite3_column_int(statement, 1);
1342     }
1343
1344     _sqlcall(sqlite3_finalize(statement));
1345     return success;
1346 }
1347
1348 static bool All_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1349     if (JSStringIsEqualToUTF8CString(property, "errno"))
1350         return true;
1351
1352     JSObjectRef global(CYGetGlobalObject(context));
1353     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1354     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1355
1356     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1357         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1358             if (CYHasProperty(context, space, property))
1359                 return true;
1360
1361     CYPool pool;
1362     const char *code;
1363     unsigned flags;
1364     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags))
1365         return true;
1366
1367     return false;
1368 }
1369
1370 static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1371     if (JSStringIsEqualToUTF8CString(property, "errno"))
1372         return CYCastJSValue(context, errno);
1373
1374     JSObjectRef global(CYGetGlobalObject(context));
1375     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1376     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1377
1378     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1379         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1380             if (JSValueRef value = CYGetProperty(context, space, property))
1381                 if (!JSValueIsUndefined(context, value))
1382                     return value;
1383
1384     CYPool pool;
1385     const char *code;
1386     unsigned flags;
1387     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags)) {
1388         CYUTF8String parsed;
1389
1390         try {
1391             parsed = CYPoolCode(pool, code);
1392         } catch (const CYException &error) {
1393             CYThrow("%s", pool.strcat("error caching ", CYPoolCString(pool, context, property), ": ", error.PoolCString(pool), NULL));
1394         }
1395
1396         JSObjectRef cache(CYGetCachedObject(context, CYJSString("cache")));
1397
1398         JSObjectRef stub;
1399         if (flags == CYBridgeType) {
1400             stub = CYMakeType(context, sig::Void());
1401             CYSetProperty(context, cache, property, stub);
1402         } else
1403             stub = NULL;
1404
1405         JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(parsed), NULL, NULL, 0));
1406
1407         switch (flags) {
1408             case CYBridgeVoid: {
1409             } break;
1410
1411             case CYBridgeHold: {
1412                 CYSetProperty(context, cache, property, value);
1413             } break;
1414
1415             case CYBridgeType: {
1416                 JSObjectRef swap(CYCastJSObject(context, value));
1417                 void *source(JSObjectGetPrivate(swap));
1418                 _assert(source != NULL);
1419                 void *target(JSObjectGetPrivate(stub));
1420                 _assert(JSObjectSetPrivate(swap, target));
1421                 _assert(JSObjectSetPrivate(stub, source));
1422                 value = stub;
1423             } break;
1424         }
1425
1426         return value;
1427     }
1428
1429     return NULL;
1430 } CYCatch(NULL) }
1431
1432 static JSValueRef All_complete_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1433     _assert(count == 1 || count == 2);
1434     CYPool pool;
1435     CYUTF8String prefix(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
1436
1437     JSObjectRef array(NULL);
1438
1439     {
1440     CYArrayBuilder<1024> values(context, array);
1441
1442     sqlite3_stmt *statement;
1443
1444     if (prefix.size == 0)
1445         _sqlcall(sqlite3_prepare(database_,
1446             "select "
1447                 "\"cache\".\"name\" "
1448             "from \"cache\" "
1449             "where"
1450                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1451         , -1, &statement, NULL));
1452     else {
1453         _sqlcall(sqlite3_prepare(database_,
1454             "select "
1455                 "\"cache\".\"name\" "
1456             "from \"cache\" "
1457             "where"
1458                 " \"cache\".\"name\" >= ? and \"cache\".\"name\" < ? and "
1459                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1460         , -1, &statement, NULL));
1461
1462         _sqlcall(sqlite3_bind_text(statement, 1, prefix.data, prefix.size, SQLITE_STATIC));
1463
1464         char *after(pool.strndup(prefix.data, prefix.size));
1465         ++after[prefix.size - 1];
1466         _sqlcall(sqlite3_bind_text(statement, 2, after, prefix.size, SQLITE_STATIC));
1467     }
1468
1469     while (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE)
1470         values(CYCastJSValue(context, CYJSString(sqlite3_column_string(statement, 0))));
1471
1472     _sqlcall(sqlite3_finalize(statement));
1473     }
1474
1475     return array;
1476 } CYCatch(NULL) }
1477
1478 static void All_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1479     JSObjectRef global(CYGetGlobalObject(context));
1480     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1481     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1482
1483     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1484         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) {
1485             JSPropertyNameArrayRef subset(JSObjectCopyPropertyNames(context, space));
1486             for (size_t index(0), count(JSPropertyNameArrayGetCount(subset)); index != count; ++index)
1487                 JSPropertyNameAccumulatorAddName(names, JSPropertyNameArrayGetNameAtIndex(subset, index));
1488             JSPropertyNameArrayRelease(subset);
1489         }
1490 }
1491
1492 static JSObjectRef CArray_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1493     _assert(false);
1494 } CYCatchObject() }
1495
1496 static JSObjectRef CString_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1497     _assert(false);
1498 } CYCatchObject() }
1499
1500 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1501     _assert(false);
1502 } CYCatchObject() }
1503
1504 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1505     CYPool pool;
1506
1507     if (false) {
1508     } else if (count == 1) {
1509         switch (JSValueGetType(context, arguments[0])) {
1510             case kJSTypeString: {
1511                 const char *encoding(CYPoolCString(pool, context, arguments[0]));
1512                 sig::Signature signature;
1513                 sig::Parse(pool, &signature, encoding, &Structor_);
1514                 return CYMakeType(context, *signature.elements[0].type);
1515             } break;
1516
1517             case kJSTypeObject: {
1518                 // XXX: accept a set of enum constants and /guess/ at their size
1519                 _assert(false);
1520             } break;
1521
1522             default:
1523                 throw CYJSError(context, "incorrect kind of argument to new Type");
1524         }
1525     } else if (count == 2) {
1526         JSObjectRef types(CYCastJSObject(context, arguments[0]));
1527         size_t count(CYArrayLength(context, types));
1528
1529         JSObjectRef names(CYCastJSObject(context, arguments[1]));
1530
1531         sig::Aggregate type(false);
1532         type.signature.elements = new(pool) sig::Element[count];
1533         type.signature.count = count;
1534
1535         for (size_t i(0); i != count; ++i) {
1536             sig::Element &element(type.signature.elements[i]);
1537             element.offset = _not(size_t);
1538
1539             JSValueRef name(CYArrayGet(context, names, i));
1540             if (JSValueIsUndefined(context, name))
1541                 element.name = NULL;
1542             else
1543                 element.name = CYPoolCString(pool, context, name);
1544
1545             JSObjectRef object(CYCastJSObject(context, CYArrayGet(context, types, i)));
1546             _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1547             Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1548             element.type = internal->type_;
1549             _assert(element.type != NULL);
1550         }
1551
1552         return CYMakeType(context, type);
1553     } else {
1554         throw CYJSError(context, "incorrect number of arguments to Type constructor");
1555     }
1556 } CYCatchObject() }
1557
1558 static JSValueRef Type_callAsFunction_$With(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], sig::Callable &type, JSValueRef *exception) { CYTry {
1559     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1560
1561     CYPool pool;
1562
1563     type.signature.elements = new(pool) sig::Element[1 + count];
1564     type.signature.count = 1 + count;
1565
1566     type.signature.elements[0].name = NULL;
1567     type.signature.elements[0].type = internal->type_;
1568     type.signature.elements[0].offset = _not(size_t);
1569
1570     for (size_t i(0); i != count; ++i) {
1571         sig::Element &element(type.signature.elements[i + 1]);
1572         element.name = NULL;
1573         element.offset = _not(size_t);
1574
1575         JSObjectRef object(CYCastJSObject(context, arguments[i]));
1576         _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1577         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1578
1579         element.type = internal->type_;
1580     }
1581
1582     return CYMakeType(context, type);
1583 } CYCatch(NULL) }
1584
1585 static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1586     if (count != 1)
1587         throw CYJSError(context, "incorrect number of arguments to Type.arrayOf");
1588     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1589
1590     CYPool pool;
1591     size_t index(CYGetIndex(pool, context, CYJSString(context, arguments[0])));
1592     if (index == _not(size_t))
1593         throw CYJSError(context, "invalid array size used with Type.arrayOf");
1594
1595     sig::Array type(*internal->type_, index);
1596     return CYMakeType(context, type);
1597 } CYCatch(NULL) }
1598
1599 static JSValueRef Type_callAsFunction_blockWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1600 #ifdef CY_OBJECTIVEC
1601     sig::Block type;
1602     return Type_callAsFunction_$With(context, object, _this, count, arguments, type, exception);
1603 #else
1604     _assert(false);
1605 #endif
1606 }
1607
1608 static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1609     if (count != 0)
1610         throw CYJSError(context, "incorrect number of arguments to Type.constant");
1611     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1612
1613     CYPool pool;
1614     sig::Type *type(internal->type_->Copy(pool));
1615     type->flags |= JOC_TYPE_CONST;
1616     return CYMakeType(context, *type);
1617 } CYCatch(NULL) }
1618
1619 static JSValueRef Type_callAsFunction_enumFor(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1620     if (count != 1)
1621         throw CYJSError(context, "incorrect number of arguments to Type.enumFor");
1622     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1623
1624     CYPool pool;
1625
1626     JSObjectRef constants(CYCastJSObject(context, arguments[0]));
1627
1628     // XXX: this is, sadly, going to leak
1629     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, constants));
1630
1631     size_t count(JSPropertyNameArrayGetCount(names));
1632
1633     sig::Enum type(*internal->type_, count);
1634     type.constants = new(pool) sig::Constant[count];
1635
1636     for (size_t index(0); index != count; ++index) {
1637         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
1638         JSValueRef value(CYGetProperty(context, constants, name));
1639         _assert(JSValueGetType(context, value) == kJSTypeNumber);
1640         CYUTF8String string(CYPoolUTF8String(pool, context, name));
1641         type.constants[index].name = string.data;
1642         type.constants[index].value = CYCastDouble(context, value);
1643     }
1644
1645     JSPropertyNameArrayRelease(names);
1646
1647     return CYMakeType(context, type);
1648 } CYCatch(NULL) }
1649
1650 static JSValueRef Type_callAsFunction_functionWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1651     bool variadic(count != 0 && JSValueIsNull(context, arguments[count - 1]));
1652     sig::Function type(variadic);
1653     return Type_callAsFunction_$With(context, object, _this, variadic ? count - 1 : count, arguments, type, exception);
1654 }
1655
1656 static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1657     if (count != 0)
1658         throw CYJSError(context, "incorrect number of arguments to Type.pointerTo");
1659     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1660
1661     if (dynamic_cast<sig::Primitive<char> *>(internal->type_) != NULL)
1662         return CYMakeType(context, sig::String());
1663     else
1664         return CYMakeType(context, sig::Pointer(*internal->type_));
1665 } CYCatch(NULL) }
1666
1667 static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1668     if (count != 1)
1669         throw CYJSError(context, "incorrect number of arguments to Type.withName");
1670     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1671
1672     CYPool pool;
1673     return CYMakeType(context, *internal->type_->Copy(pool, CYPoolCString(pool, context, arguments[0])));
1674 } CYCatch(NULL) }
1675
1676 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1677     if (count != 1)
1678         throw CYJSError(context, "incorrect number of arguments to type cast function");
1679     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1680
1681     if (sig::Function *function = dynamic_cast<sig::Function *>(internal->type_))
1682         return CYMakeFunctor(context, arguments[0], function->variadic, function->signature);
1683
1684     CYBuffer buffer(context);
1685
1686     sig::Type *type(internal->type_);
1687     ffi_type *ffi(internal->GetFFI());
1688
1689     void *data;
1690     if (_this == NULL || CYIsStrictEqual(context, _this, CYGetGlobalObject(context)))
1691         data = buffer->malloc<void>(ffi->size, ffi->alignment);
1692     else {
1693         CYSetProperty(context, buffer, CYJSString("$cyo"), _this, kJSPropertyAttributeDontEnum);
1694         data = CYCastPointer<void *>(context, _this);
1695     }
1696
1697     type->PoolFFI(buffer, context, ffi, data, arguments[0]);
1698     JSValueRef value(type->FromFFI(context, ffi, data, false, buffer));
1699
1700     if (JSValueGetType(context, value) == kJSTypeNumber) {
1701         JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("Number")), 1, &value));
1702         CYSetProperty(context, typed, cyt_s, object, kJSPropertyAttributeDontEnum);
1703         value = typed;
1704     }
1705
1706     return value;
1707 } CYCatch(NULL) }
1708
1709 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1710     if (count > 1)
1711         throw CYJSError(context, "incorrect number of arguments to Type allocator");
1712     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1713
1714     JSObjectRef pointer(CYMakePointer(context, NULL, *internal->type_, NULL, NULL));
1715     Pointer *value(reinterpret_cast<Pointer *>(JSObjectGetPrivate(pointer)));
1716
1717     sig::Type *type(internal->type_);
1718     ffi_type *ffi(internal->GetFFI());
1719     value->value_ = value->pool_->malloc<void>(ffi->size, ffi->alignment);
1720
1721     if (count == 0)
1722         memset(value->value_, 0, ffi->size);
1723     else
1724         type->PoolFFI(value->pool_, context, ffi, value->value_, arguments[0]);
1725
1726     return pointer;
1727 } CYCatchObject() }
1728
1729 // XXX: I don't even think the user should be allowed to do this
1730 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1731     if (count != 2)
1732         throw CYJSError(context, "incorrect number of arguments to Functor constructor");
1733     CYPool pool;
1734     const char *encoding(CYPoolCString(pool, context, arguments[1]));
1735     sig::Signature signature;
1736     sig::Parse(pool, &signature, encoding, &Structor_);
1737     // XXX: this can try to return null, and I guess then it just fails
1738     return CYCastJSObject(context, CYMakeFunctor(context, arguments[0], false, signature));
1739 } CYCatchObject() }
1740
1741 static JSValueRef CArray_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1742     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1743     JSObjectRef owner(internal->owner_ ?: object);
1744     return CYMakePointer(context, internal->value_, *internal->type_->type_, NULL, owner);
1745 } CYCatch(NULL) }
1746
1747 static JSValueRef CString_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1748     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1749     JSObjectRef owner(internal->owner_ ?: object);
1750     return CYMakePointer(context, internal->value_, sig::Primitive<char>(), NULL, owner);
1751 } CYCatch(NULL) }
1752
1753 static JSValueRef Functor_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1754     CYPool pool;
1755     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1756
1757     sig::Function type(internal->variadic_);
1758     sig::Copy(pool, type.signature, internal->signature_);
1759
1760     return CYMakePointer(context, reinterpret_cast<void *>(internal->value_), type, NULL, NULL);
1761 } CYCatch(NULL) }
1762
1763 static JSValueRef Pointer_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1764     return _this;
1765 } CYCatch(NULL) }
1766
1767 static JSValueRef CArray_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1768     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1769     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1770 } CYCatch(NULL) }
1771
1772 static JSValueRef Pointer_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1773     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1774     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1775 } CYCatch(NULL) }
1776
1777 static JSValueRef Functor_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1778     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1779     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1780 } CYCatch(NULL) }
1781
1782 static JSValueRef Functor_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1783     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1784     uint8_t *value(reinterpret_cast<uint8_t *>(internal->value_));
1785     _assert(value != NULL);
1786
1787     CYLocalPool pool;
1788
1789     sig::Function function(internal->variadic_);
1790     sig::Copy(pool, function.signature, internal->signature_);
1791
1792     CYPropertyName *name(internal->GetName(pool));
1793     auto typed(CYDecodeType(pool, &function));
1794
1795     std::ostringstream str;
1796     CYOptions options;
1797     CYOutput output(*str.rdbuf(), options);
1798     output.pretty_ = true;
1799     (new(pool) CYExternalExpression(new(pool) CYString("C"), typed, name))->Output(output, CYNoFlags);
1800     return CYCastJSValue(context, CYJSString(str.str()));
1801 } CYCatch(NULL) }
1802
1803 CYPropertyName *cy::Functor::GetName(CYPool &pool) const {
1804     Dl_info info;
1805     if (dladdr(reinterpret_cast<void *>(value_), &info) == 0 || strcmp(info.dli_sname, "<redacted>") == 0)
1806         return new(pool) CYNumber(reinterpret_cast<uintptr_t>(value_));
1807
1808     std::ostringstream str;
1809     str << info.dli_sname;
1810     off_t offset(reinterpret_cast<uint8_t *>(value_) - reinterpret_cast<uint8_t *>(info.dli_saddr));
1811     if (offset != 0)
1812         str << "+0x" << std::hex << offset;
1813     return new(pool) CYString(pool.strdup(str.str().c_str()));
1814 }
1815
1816 static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1817     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
1818
1819     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1820
1821     try {
1822         JSValueRef value(CYGetProperty(context, _this, cyi_s));
1823         if (!JSValueIsUndefined(context, value)) {
1824             CYPool pool;
1825             return CYCastJSValue(context, pool.strcat("&", CYPoolCCYON(pool, context, value, objects), NULL));
1826         }
1827     } catch (const CYException &e) {
1828         // XXX: it might be interesting to include this error
1829     }
1830
1831     CYLocalPool pool;
1832     std::ostringstream str;
1833
1834     sig::Pointer type(*internal->type_->type_);
1835
1836     CYOptions options;
1837     CYOutput output(*str.rdbuf(), options);
1838     (new(pool) CYTypeExpression(CYDecodeType(pool, &type)))->Output(output, CYNoFlags);
1839
1840     str << "(" << internal->value_ << ")";
1841     std::string value(str.str());
1842     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1843 } CYCatch(NULL) }
1844
1845 static JSValueRef CString_getProperty_length(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1846     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1847     return CYCastJSValue(context, strlen(internal->value_));
1848 } CYCatch(NULL) }
1849
1850 static JSValueRef CString_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1851     return CYMakeType(context, sig::String());
1852 } CYCatch(NULL) }
1853
1854 static JSValueRef CArray_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1855     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1856     sig::Array type(*internal->type_->type_, internal->length_);
1857     return CYMakeType(context, type);
1858 } CYCatch(NULL) }
1859
1860 static JSValueRef Pointer_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1861     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1862     sig::Pointer type(*internal->type_->type_);
1863     return CYMakeType(context, type);
1864 } CYCatch(NULL) }
1865
1866 static JSValueRef CString_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1867     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1868     const char *string(internal->value_);
1869     std::ostringstream str;
1870     if (string == NULL)
1871         str << "NULL";
1872     else {
1873         str << "&";
1874         CYStringify(str, string, strlen(string), CYStringifyModeNative);
1875     }
1876     std::string value(str.str());
1877     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1878 } CYCatch(NULL) }
1879
1880 static JSValueRef CString_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1881     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1882     return CYCastJSValue(context, internal->value_);
1883 } CYCatch(NULL) }
1884
1885 static JSValueRef Functor_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1886     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1887     CYPool pool;
1888     sig::Function type(internal->variadic_);
1889     sig::Copy(pool, type.signature, internal->signature_);
1890     return CYMakeType(context, type);
1891 } CYCatch(NULL) }
1892
1893 static JSValueRef Type_getProperty_alignment(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1894     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1895     return CYCastJSValue(context, internal->GetFFI()->alignment);
1896 } CYCatch(NULL) }
1897
1898 static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1899     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1900     return CYCastJSValue(context, internal->type_->GetName());
1901 } CYCatch(NULL) }
1902
1903 static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1904     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1905     return CYCastJSValue(context, internal->GetFFI()->size);
1906 } CYCatch(NULL) }
1907
1908 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1909     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1910     CYPool pool;
1911     const char *type(sig::Unparse(pool, internal->type_));
1912     return CYCastJSValue(context, CYJSString(type));
1913 } CYCatch(NULL) }
1914
1915 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1916     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1917     CYLocalPool pool;
1918     std::stringbuf out;
1919     CYOptions options;
1920     CYOutput output(out, options);
1921     output.pretty_ = true;
1922     (new(pool) CYTypeExpression(CYDecodeType(pool, internal->type_->Copy(pool, ""))))->Output(output, CYNoFlags);
1923     return CYCastJSValue(context, CYJSString(out.str().c_str()));
1924 } CYCatch(NULL) }
1925
1926 static JSStaticFunction All_staticFunctions[2] = {
1927     {"cy$complete", &All_complete_callAsFunction, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1928     {NULL, NULL, 0}
1929 };
1930
1931 static JSStaticFunction CArray_staticFunctions[3] = {
1932     {"toPointer", &CArray_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1933     {"valueOf", &CArray_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1934     {NULL, NULL, 0}
1935 };
1936
1937 static JSStaticValue CArray_staticValues[2] = {
1938     {"$cyt", &CArray_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1939     {NULL, NULL, NULL, 0}
1940 };
1941
1942 static JSStaticFunction CString_staticFunctions[5] = {
1943     {"toCYON", &CString_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1944     {"toPointer", &CString_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1945     {"toString", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1946     {"valueOf", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1947     {NULL, NULL, 0}
1948 };
1949
1950 static JSStaticValue CString_staticValues[3] = {
1951     {"length", &CString_getProperty_length, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1952     {"$cyt", &CString_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1953     {NULL, NULL, NULL, 0}
1954 };
1955
1956 static JSStaticFunction Pointer_staticFunctions[4] = {
1957     {"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1958     {"toPointer", &Pointer_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1959     {"valueOf", &Pointer_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1960     {NULL, NULL, 0}
1961 };
1962
1963 static JSStaticValue Pointer_staticValues[2] = {
1964     {"$cyt", &Pointer_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1965     {NULL, NULL, NULL, 0}
1966 };
1967
1968 static JSStaticFunction Struct_staticFunctions[2] = {
1969     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1970     {NULL, NULL, 0}
1971 };
1972
1973 static JSStaticValue Struct_staticValues[2] = {
1974     {"$cyt", &Struct_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1975     {NULL, NULL, NULL, 0}
1976 };
1977
1978 static JSStaticFunction Functor_staticFunctions[4] = {
1979     {"$cya", &Functor_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1980     {"toCYON", &Functor_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1981     {"valueOf", &Functor_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1982     {NULL, NULL, 0}
1983 };
1984
1985 static JSStaticValue Functor_staticValues[2] = {
1986     {"$cyt", &Functor_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1987     {NULL, NULL, NULL, 0}
1988 };
1989
1990 static JSStaticValue Type_staticValues[4] = {
1991     {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1992     {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1993     {"size", &Type_getProperty_size, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1994     {NULL, NULL, NULL, 0}
1995 };
1996
1997 static JSStaticFunction Type_staticFunctions[10] = {
1998     {"arrayOf", &Type_callAsFunction_arrayOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1999     {"blockWith", &Type_callAsFunction_blockWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2000     {"constant", &Type_callAsFunction_constant, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2001     {"enumFor", &Type_callAsFunction_enumFor, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2002     {"functionWith", &Type_callAsFunction_functionWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2003     {"pointerTo", &Type_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2004     {"withName", &Type_callAsFunction_withName, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2005     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2006     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2007     {NULL, NULL, 0}
2008 };
2009
2010 _visible void CYSetArgs(const char *argv0, const char *script, int argc, const char *argv[]) {
2011     JSContextRef context(CYGetJSContext());
2012     JSValueRef args[argc + 2];
2013     for (int i(0); i != argc; ++i)
2014         args[i + 2] = CYCastJSValue(context, argv[i]);
2015
2016     size_t offset;
2017     if (script == NULL)
2018         offset = 1;
2019     else {
2020         offset = 0;
2021         args[1] = CYCastJSValue(context, CYJSString(script));
2022     }
2023
2024     args[offset] = CYCastJSValue(context, CYJSString(argv0));
2025
2026     CYSetProperty(context, CYGetCachedObject(context, CYJSString("System")), CYJSString("args"), CYObjectMakeArray(context, argc, args + 2));
2027     CYSetProperty(context, CYGetCachedObject(context, CYJSString("process")), CYJSString("argv"), CYObjectMakeArray(context, argc + 2 - offset, args + offset));
2028 }
2029
2030 JSObjectRef CYGetGlobalObject(JSContextRef context) {
2031     return JSContextGetGlobalObject(context);
2032 }
2033
2034 // XXX: this is neither exceptin safe nor even terribly sane
2035 class ExecutionHandle {
2036   private:
2037     JSContextRef context_;
2038     std::vector<void *> handles_;
2039
2040   public:
2041     ExecutionHandle(JSContextRef context) :
2042         context_(context)
2043     {
2044         handles_.resize(GetHooks().size());
2045         for (size_t i(0); i != GetHooks().size(); ++i) {
2046             CYHook *hook(GetHooks()[i]);
2047             if (hook->ExecuteStart != NULL)
2048                 handles_[i] = (*hook->ExecuteStart)(context_);
2049             else
2050                 handles_[i] = NULL;
2051         }
2052     }
2053
2054     ~ExecutionHandle() {
2055         for (size_t i(GetHooks().size()); i != 0; --i) {
2056             CYHook *hook(GetHooks()[i-1]);
2057             if (hook->ExecuteEnd != NULL)
2058                 (*hook->ExecuteEnd)(context_, handles_[i-1]);
2059         }
2060     }
2061 };
2062
2063 #ifndef __ANDROID__
2064 static volatile bool cancel_;
2065
2066 static bool CYShouldTerminate(JSContextRef context, void *arg) {
2067     return cancel_;
2068 }
2069 #endif
2070
2071 _visible const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) {
2072     ExecutionHandle handle(context);
2073
2074 #ifndef __ANDROID__
2075     cancel_ = false;
2076     if (&JSContextGroupSetExecutionTimeLimit != NULL)
2077         JSContextGroupSetExecutionTimeLimit(JSContextGetGroup(context), 0.5, &CYShouldTerminate, NULL);
2078 #endif
2079
2080     try {
2081         JSValueRef result(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2082         if (JSValueIsUndefined(context, result))
2083             return NULL;
2084
2085         std::set<void *> objects;
2086         const char *json(_jsccall(CYPoolCCYON, pool, context, result, objects));
2087         CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
2088
2089         return json;
2090     } catch (const CYException &error) {
2091         return pool.strcat("throw ", error.PoolCString(pool), NULL);
2092     }
2093 }
2094
2095 #ifndef __ANDROID__
2096 _visible void CYCancel() {
2097     cancel_ = true;
2098 }
2099 #endif
2100
2101 const char *CYPoolLibraryPath(CYPool &pool);
2102
2103 static bool initialized_ = false;
2104
2105 void CYInitializeDynamic() {
2106     if (!initialized_)
2107         initialized_ = true;
2108     else return;
2109
2110     CYPool pool;
2111     const char *db(pool.strcat(CYPoolLibraryPath(pool), "/libcycript.db", NULL));
2112     _sqlcall(sqlite3_open_v2(db, &database_, SQLITE_OPEN_READONLY, NULL));
2113
2114     JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
2115     JSSynchronousGarbageCollectForDebugging$ = reinterpret_cast<void (*)(JSContextRef)>(dlsym(RTLD_DEFAULT, "JSSynchronousGarbageCollectForDebugging"));
2116
2117     JSClassDefinition definition;
2118
2119     definition = kJSClassDefinitionEmpty;
2120     definition.className = "All";
2121     definition.staticFunctions = All_staticFunctions;
2122     definition.hasProperty = &All_hasProperty;
2123     definition.getProperty = &All_getProperty;
2124     definition.getPropertyNames = &All_getPropertyNames;
2125     All_ = JSClassCreate(&definition);
2126
2127     definition = kJSClassDefinitionEmpty;
2128     definition.className = "Context";
2129     definition.finalize = &CYFinalize;
2130     CYPrivate<Context>::Class_ = JSClassCreate(&definition);
2131
2132     definition = kJSClassDefinitionEmpty;
2133     definition.className = "CArray";
2134     definition.staticFunctions = CArray_staticFunctions;
2135     definition.staticValues = CArray_staticValues;
2136     definition.getProperty = &CArray_getProperty;
2137     definition.setProperty = &CArray_setProperty;
2138     definition.finalize = &CYFinalize;
2139     CYPrivate<CArray>::Class_ = JSClassCreate(&definition);
2140
2141     definition = kJSClassDefinitionEmpty;
2142     definition.className = "CString";
2143     definition.staticFunctions = CString_staticFunctions;
2144     definition.staticValues = CString_staticValues;
2145     definition.getProperty = &CString_getProperty;
2146     definition.setProperty = &CString_setProperty;
2147     definition.finalize = &CYFinalize;
2148     CYPrivate<CString>::Class_ = JSClassCreate(&definition);
2149
2150     definition = kJSClassDefinitionEmpty;
2151     definition.className = "Functor";
2152     definition.staticFunctions = Functor_staticFunctions;
2153     definition.staticValues = Functor_staticValues;
2154     definition.callAsFunction = &Functor_callAsFunction;
2155     definition.finalize = &CYFinalize;
2156     cy::Functor::Class_ = JSClassCreate(&definition);
2157
2158     definition = kJSClassDefinitionEmpty;
2159     definition.className = "Pointer";
2160     definition.staticFunctions = Pointer_staticFunctions;
2161     definition.staticValues = Pointer_staticValues;
2162     definition.callAsFunction = &Pointer_callAsFunction;
2163     definition.getProperty = &Pointer_getProperty;
2164     definition.setProperty = &Pointer_setProperty;
2165     definition.finalize = &CYFinalize;
2166     CYPrivate<Pointer>::Class_ = JSClassCreate(&definition);
2167
2168     definition = kJSClassDefinitionEmpty;
2169     definition.className = "Root";
2170     definition.finalize = &CYFinalize;
2171     CYPrivate<CYRoot>::Class_ = JSClassCreate(&definition);
2172
2173     definition = kJSClassDefinitionEmpty;
2174     definition.className = "Struct";
2175     definition.staticFunctions = Struct_staticFunctions;
2176     definition.staticValues = Struct_staticValues;
2177     definition.getProperty = &Struct_getProperty;
2178     definition.setProperty = &Struct_setProperty;
2179     definition.getPropertyNames = &Struct_getPropertyNames;
2180     definition.finalize = &CYFinalize;
2181     CYPrivate<Struct_privateData>::Class_ = JSClassCreate(&definition);
2182
2183     definition = kJSClassDefinitionEmpty;
2184     definition.className = "Type";
2185     definition.staticValues = Type_staticValues;
2186     definition.staticFunctions = Type_staticFunctions;
2187     definition.callAsFunction = &Type_callAsFunction;
2188     definition.callAsConstructor = &Type_callAsConstructor;
2189     definition.finalize = &CYFinalize;
2190     CYPrivate<Type_privateData>::Class_ = JSClassCreate(&definition);
2191
2192     definition = kJSClassDefinitionEmpty;
2193     definition.className = "Global";
2194     //definition.getProperty = &Global_getProperty;
2195     Global_ = JSClassCreate(&definition);
2196
2197     Array_s = JSStringCreateWithUTF8CString("Array");
2198     constructor_s = JSStringCreateWithUTF8CString("constructor");
2199     cy_s = JSStringCreateWithUTF8CString("$cy");
2200     cyi_s = JSStringCreateWithUTF8CString("$cyi");
2201     cyt_s = JSStringCreateWithUTF8CString("$cyt");
2202     length_s = JSStringCreateWithUTF8CString("length");
2203     message_s = JSStringCreateWithUTF8CString("message");
2204     name_s = JSStringCreateWithUTF8CString("name");
2205     pop_s = JSStringCreateWithUTF8CString("pop");
2206     prototype_s = JSStringCreateWithUTF8CString("prototype");
2207     push_s = JSStringCreateWithUTF8CString("push");
2208     splice_s = JSStringCreateWithUTF8CString("splice");
2209     toCYON_s = JSStringCreateWithUTF8CString("toCYON");
2210     toJSON_s = JSStringCreateWithUTF8CString("toJSON");
2211     toPointer_s = JSStringCreateWithUTF8CString("toPointer");
2212     toString_s = JSStringCreateWithUTF8CString("toString");
2213     weak_s = JSStringCreateWithUTF8CString("weak");
2214
2215     Result_ = JSStringCreateWithUTF8CString("_");
2216
2217     for (CYHook *hook : GetHooks())
2218         if (hook->Initialize != NULL)
2219             (*hook->Initialize)();
2220 }
2221
2222 void CYThrow(JSContextRef context, JSValueRef value) {
2223     if (value != NULL)
2224         throw CYJSError(context, value);
2225 }
2226
2227 const char *CYJSError::PoolCString(CYPool &pool) const {
2228     std::set<void *> objects;
2229     // XXX: this used to be CYPoolCString
2230     return CYPoolCCYON(pool, context_, value_, objects);
2231 }
2232
2233 JSValueRef CYJSError::CastJSValue(JSContextRef context, const char *name) const {
2234     // XXX: what if the context is different? or the name? I dunno. ("epic" :/)
2235     return value_;
2236 }
2237
2238 JSValueRef CYCastJSError(JSContextRef context, const char *name, const char *message) {
2239     JSObjectRef Error(CYGetCachedObject(context, CYJSString(name)));
2240     JSValueRef arguments[1] = {CYCastJSValue(context, message)};
2241     return _jsccall(JSObjectCallAsConstructor, context, Error, 1, arguments);
2242 }
2243
2244 JSValueRef CYPoolError::CastJSValue(JSContextRef context, const char *name) const {
2245     return CYCastJSError(context, name, message_);
2246 }
2247
2248 CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
2249     _assert(context != NULL);
2250
2251     CYPool pool;
2252
2253     va_list args;
2254     va_start(args, format);
2255     // XXX: there might be a beter way to think about this
2256     const char *message(pool.vsprintf(64, format, args));
2257     va_end(args);
2258
2259     value_ = CYCastJSError(context, "Error", message);
2260 }
2261
2262 JSGlobalContextRef CYGetJSContext(JSContextRef context) {
2263     return reinterpret_cast<Context *>(JSObjectGetPrivate(CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s))))->context_;
2264 }
2265
2266 #ifdef __ANDROID__
2267 char *CYPoolLibraryPath_(CYPool &pool) {
2268     FILE *maps(fopen("/proc/self/maps", "r"));
2269     struct F { FILE *f; F(FILE *f) : f(f) {}
2270         ~F() { fclose(f); } } f(maps);
2271
2272     size_t function(reinterpret_cast<size_t>(&CYPoolLibraryPath));
2273
2274     for (;;) {
2275         size_t start; size_t end; char flags[8]; unsigned long long offset;
2276         int major; int minor; unsigned long long inode; char file[1024];
2277         int count(fscanf(maps, "%zx-%zx %7s %llx %x:%x %llu%[ ]%1024[^\n]\n",
2278             &start, &end, flags, &offset, &major, &minor, &inode, file, file));
2279         if (count < 8) break; else if (start <= function && function < end)
2280             return pool.strdup(file);
2281     }
2282
2283     _assert(false);
2284 }
2285 #else
2286 char *CYPoolLibraryPath_(CYPool &pool) {
2287     Dl_info addr;
2288     _assert(dladdr(reinterpret_cast<void *>(&CYPoolLibraryPath), &addr) != 0);
2289     return pool.strdup(addr.dli_fname);
2290 }
2291 #endif
2292
2293 const char *CYPoolLibraryPath(CYPool &pool) {
2294     char *lib(CYPoolLibraryPath_(pool));
2295
2296     char *slash(strrchr(lib, '/'));
2297     if (slash == NULL)
2298         return ".";
2299     *slash = '\0';
2300
2301     slash = strrchr(lib, '/');
2302     if (slash != NULL) {
2303         if (strcmp(slash, "/.libs") == 0)
2304             *slash = '\0';
2305     } else if (strcmp(lib, ".libs") == 0)
2306         return ".";
2307
2308     return lib;
2309 }
2310
2311 static JSValueRef require_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2312     _assert(count == 1);
2313     CYPool pool;
2314
2315     CYUTF8String name(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
2316     if (memchr(name.data, '/', name.size) == NULL && (
2317 #ifdef __APPLE__
2318         dlopen(pool.strcat("/System/Library/Frameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2319         dlopen(pool.strcat("/System/Library/PrivateFrameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2320 #endif
2321     false))
2322         return CYJSUndefined(context);
2323
2324     CYJSString path;
2325     CYUTF8String code;
2326
2327     sqlite3_stmt *statement;
2328
2329     _sqlcall(sqlite3_prepare(database_,
2330         "select "
2331             "\"module\".\"code\", "
2332             "\"module\".\"flags\" "
2333         "from \"module\" "
2334         "where"
2335             " \"module\".\"name\" = ?"
2336         " limit 1"
2337     , -1, &statement, NULL));
2338
2339     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
2340
2341     if (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE) {
2342         code.data = static_cast<const char *>(sqlite3_column_blob(statement, 0));
2343         code.size = sqlite3_column_bytes(statement, 0);
2344         path = CYJSString(name);
2345         code = CYPoolUTF8String(pool, code);
2346     } else {
2347         JSObjectRef resolve(CYCastJSObject(context, CYGetProperty(context, object, CYJSString("resolve"))));
2348         path = CYJSString(context, CYCallAsFunction(context, resolve, NULL, 1, arguments));
2349     }
2350
2351     _sqlcall(sqlite3_finalize(statement));
2352
2353     CYJSString property("exports");
2354
2355     JSObjectRef modules(CYGetCachedObject(context, CYJSString("modules")));
2356     JSValueRef cache(CYGetProperty(context, modules, path));
2357
2358     JSValueRef result;
2359     if (!JSValueIsUndefined(context, cache)) {
2360         JSObjectRef module(CYCastJSObject(context, cache));
2361         result = CYGetProperty(context, module, property);
2362     } else {
2363         if (code.data == NULL) {
2364             code = CYPoolFileUTF8String(pool, CYPoolCString(pool, context, path));
2365             _assert(code.data != NULL);
2366         }
2367
2368         size_t length(name.size);
2369         if (length >= 5 && strncmp(name.data + length - 5, ".json", 5) == 0) {
2370             JSObjectRef JSON(CYGetCachedObject(context, CYJSString("JSON")));
2371             JSObjectRef parse(CYCastJSObject(context, CYGetProperty(context, JSON, CYJSString("parse"))));
2372             JSValueRef arguments[1] = { CYCastJSValue(context, CYJSString(code)) };
2373             result = CYCallAsFunction(context, parse, JSON, 1, arguments);
2374         } else {
2375             JSObjectRef module(JSObjectMake(context, NULL, NULL));
2376             CYSetProperty(context, modules, path, module);
2377
2378             JSObjectRef exports(JSObjectMake(context, NULL, NULL));
2379             CYSetProperty(context, module, property, exports);
2380
2381             std::stringstream wrap;
2382             wrap << "(function (exports, require, module, __filename) { " << code << "\n});";
2383             code = CYPoolCode(pool, *wrap.rdbuf());
2384
2385             JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2386             JSObjectRef function(CYCastJSObject(context, value));
2387
2388             JSValueRef arguments[4] = { exports, object, module, CYCastJSValue(context, path) };
2389             CYCallAsFunction(context, function, NULL, 4, arguments);
2390             result = CYGetProperty(context, module, property);
2391         }
2392     }
2393
2394     return result;
2395 } CYCatch(NULL) }
2396
2397 static bool CYRunScript(JSGlobalContextRef context, const char *path) {
2398     CYPool pool;
2399     CYUTF8String code(CYPoolFileUTF8String(pool, pool.strcat(CYPoolLibraryPath(pool), path, NULL)));
2400     if (code.data == NULL)
2401         return false;
2402
2403     code = CYPoolCode(pool, code);
2404     _jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0);
2405     return true;
2406 }
2407
2408 extern "C" void CYDestroyWeak(JSWeakObjectMapRef weak, void *data) {
2409 }
2410
2411 extern "C" void CYSetupContext(JSGlobalContextRef context) {
2412     CYInitializeDynamic();
2413
2414     JSObjectRef global(CYGetGlobalObject(context));
2415
2416     JSObjectRef cy(CYPrivate<Context>::Make(context, context));
2417     CYSetProperty(context, global, cy_s, cy, kJSPropertyAttributeDontEnum);
2418
2419 /* Cache Globals {{{ */
2420     JSObjectRef Array(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array"))));
2421     CYSetProperty(context, cy, CYJSString("Array"), Array);
2422
2423     JSObjectRef Array_prototype(CYCastJSObject(context, CYGetProperty(context, Array, prototype_s)));
2424     CYSetProperty(context, cy, CYJSString("Array_prototype"), Array_prototype);
2425
2426     JSObjectRef Boolean(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Boolean"))));
2427     CYSetProperty(context, cy, CYJSString("Boolean"), Boolean);
2428
2429     JSObjectRef Boolean_prototype(CYCastJSObject(context, CYGetProperty(context, Boolean, prototype_s)));
2430     CYSetProperty(context, cy, CYJSString("Boolean_prototype"), Boolean_prototype);
2431
2432     JSObjectRef Error(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error"))));
2433     CYSetProperty(context, cy, CYJSString("Error"), Error);
2434
2435     JSObjectRef Function(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function"))));
2436     CYSetProperty(context, cy, CYJSString("Function"), Function);
2437
2438     JSObjectRef Function_prototype(CYCastJSObject(context, CYGetProperty(context, Function, prototype_s)));
2439     CYSetProperty(context, cy, CYJSString("Function_prototype"), Function_prototype);
2440
2441     JSObjectRef JSON(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("JSON"))));
2442     CYSetProperty(context, cy, CYJSString("JSON"), JSON);
2443
2444     JSObjectRef Number(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Number"))));
2445     CYSetProperty(context, cy, CYJSString("Number"), Number);
2446
2447     JSObjectRef Number_prototype(CYCastJSObject(context, CYGetProperty(context, Number, prototype_s)));
2448     CYSetProperty(context, cy, CYJSString("Number_prototype"), Number_prototype);
2449
2450     JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
2451     CYSetProperty(context, cy, CYJSString("Object"), Object);
2452
2453     JSObjectRef Object_prototype(CYCastJSObject(context, CYGetProperty(context, Object, prototype_s)));
2454     CYSetProperty(context, cy, CYJSString("Object_prototype"), Object_prototype);
2455
2456     JSObjectRef String(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String"))));
2457     CYSetProperty(context, cy, CYJSString("String"), String);
2458
2459     JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s)));
2460     CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype);
2461
2462     JSObjectRef SyntaxError(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("SyntaxError"))));
2463     CYSetProperty(context, cy, CYJSString("SyntaxError"), SyntaxError);
2464 /* }}} */
2465
2466     CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2467     CYSetProperty(context, String_prototype, toCYON_s, &String_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2468
2469     JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
2470     CYSetProperty(context, global, CYJSString("Cycript"), cycript);
2471     CYSetProperty(context, cycript, CYJSString("compile"), &Cycript_compile_callAsFunction);
2472     CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction);
2473
2474     JSObjectRef CArray(JSObjectMakeConstructor(context, CYPrivate<::CArray>::Class_, &CArray_new));
2475     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CArray, prototype_s)), Array_prototype);
2476     CYSetProperty(context, cycript, CYJSString("CArray"), CArray);
2477
2478     JSObjectRef CString(JSObjectMakeConstructor(context, CYPrivate<::CString>::Class_, &CString_new));
2479     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CString, prototype_s)), String_prototype);
2480     CYSetProperty(context, cycript, CYJSString("CString"), CString);
2481
2482     JSObjectRef Functor(JSObjectMakeConstructor(context, cy::Functor::Class_, &Functor_new));
2483     JSObjectRef Functor_prototype(CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)));
2484     CYSetPrototype(context, Functor_prototype, Function_prototype);
2485     CYSetProperty(context, cy, CYJSString("Functor_prototype"), Functor_prototype);
2486     CYSetProperty(context, cycript, CYJSString("Functor"), Functor);
2487
2488     CYSetProperty(context, cycript, CYJSString("Pointer"), JSObjectMakeConstructor(context, CYPrivate<Pointer>::Class_, &Pointer_new));
2489
2490     JSObjectRef Type(JSObjectMakeConstructor(context, CYPrivate<Type_privateData>::Class_, &Type_new));
2491     JSObjectRef Type_prototype(CYCastJSObject(context, CYGetProperty(context, Type, prototype_s)));
2492     CYSetPrototype(context, Type_prototype, Function_prototype);
2493     CYSetProperty(context, cy, CYJSString("Type_prototype"), Type_prototype);
2494     CYSetProperty(context, cycript, CYJSString("Type"), Type);
2495
2496     JSObjectRef Character_prototype(JSObjectMake(context, NULL, NULL));
2497     CYSetPrototype(context, Character_prototype, String_prototype);
2498     CYSetProperty(context, cy, CYJSString("Character_prototype"), Character_prototype);
2499     CYSetProperty(context, Character_prototype, CYJSString("valueOf"), _jsccall(JSEvaluateScript, context, CYJSString("(function(){return this.charCodeAt(0);})"), NULL, NULL, 0));
2500
2501     JSObjectRef modules(JSObjectMake(context, NULL, NULL));
2502     CYSetProperty(context, cy, CYJSString("modules"), modules);
2503
2504     JSObjectRef all(JSObjectMake(context, All_, NULL));
2505     CYSetProperty(context, cycript, CYJSString("all"), all);
2506
2507     JSObjectRef cache(JSObjectMake(context, NULL, NULL));
2508     CYSetProperty(context, cy, CYJSString("cache"), cache);
2509     CYSetPrototype(context, cache, all);
2510
2511     JSObjectRef alls(_jsccall(JSObjectCallAsConstructor, context, Array, 0, NULL));
2512     CYSetProperty(context, cycript, CYJSString("alls"), alls);
2513
2514     if (true) {
2515         JSObjectRef last(NULL), curr(global);
2516
2517         goto next; for (JSValueRef next;;) {
2518             if (JSValueIsNull(context, next))
2519                 break;
2520             last = curr;
2521             curr = CYCastJSObject(context, next);
2522           next:
2523             next = JSObjectGetPrototype(context, curr);
2524         }
2525
2526         CYSetPrototype(context, last, cache);
2527     }
2528
2529 #ifdef __APPLE__
2530     if (&JSWeakObjectMapCreate != NULL) {
2531         JSWeakObjectMapRef weak(JSWeakObjectMapCreate(context, NULL, &CYDestroyWeak));
2532         CYSetProperty(context, cy, weak_s, CYCastJSValue(context, reinterpret_cast<uintptr_t>(weak)));
2533     }
2534 #endif
2535
2536     CYSetProperty(context, String_prototype, cyt_s, CYMakeType(context, sig::String()), kJSPropertyAttributeDontEnum);
2537
2538     CYSetProperty(context, cache, CYJSString("dlerror"), CYMakeFunctor(context, "dlerror", "*"), kJSPropertyAttributeDontEnum);
2539     CYSetProperty(context, cache, CYJSString("RTLD_DEFAULT"), CYCastJSValue(context, reinterpret_cast<intptr_t>(RTLD_DEFAULT)), kJSPropertyAttributeDontEnum);
2540     CYSetProperty(context, cache, CYJSString("dlsym"), CYMakeFunctor(context, "dlsym", "^v^v*"), kJSPropertyAttributeDontEnum);
2541
2542     CYSetProperty(context, cache, CYJSString("NULL"), CYJSNull(context), kJSPropertyAttributeDontEnum);
2543
2544     CYSetProperty(context, cache, CYJSString("bool"), CYMakeType(context, sig::Primitive<bool>()), kJSPropertyAttributeDontEnum);
2545     CYSetProperty(context, cache, CYJSString("char"), CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
2546     CYSetProperty(context, cache, CYJSString("schar"), CYMakeType(context, sig::Primitive<signed char>()), kJSPropertyAttributeDontEnum);
2547     CYSetProperty(context, cache, CYJSString("uchar"), CYMakeType(context, sig::Primitive<unsigned char>()), kJSPropertyAttributeDontEnum);
2548
2549     CYSetProperty(context, cache, CYJSString("short"), CYMakeType(context, sig::Primitive<short>()), kJSPropertyAttributeDontEnum);
2550     CYSetProperty(context, cache, CYJSString("int"), CYMakeType(context, sig::Primitive<int>()), kJSPropertyAttributeDontEnum);
2551     CYSetProperty(context, cache, CYJSString("long"), CYMakeType(context, sig::Primitive<long>()), kJSPropertyAttributeDontEnum);
2552     CYSetProperty(context, cache, CYJSString("longlong"), CYMakeType(context, sig::Primitive<long long>()), kJSPropertyAttributeDontEnum);
2553
2554     CYSetProperty(context, cache, CYJSString("ushort"), CYMakeType(context, sig::Primitive<unsigned short>()), kJSPropertyAttributeDontEnum);
2555     CYSetProperty(context, cache, CYJSString("uint"), CYMakeType(context, sig::Primitive<unsigned int>()), kJSPropertyAttributeDontEnum);
2556     CYSetProperty(context, cache, CYJSString("ulong"), CYMakeType(context, sig::Primitive<unsigned long>()), kJSPropertyAttributeDontEnum);
2557     CYSetProperty(context, cache, CYJSString("ulonglong"), CYMakeType(context, sig::Primitive<unsigned long long>()), kJSPropertyAttributeDontEnum);
2558
2559 #ifdef __SIZEOF_INT128__
2560     CYSetProperty(context, cache, CYJSString("int128"), CYMakeType(context, sig::Primitive<__int128>()), kJSPropertyAttributeDontEnum);
2561     CYSetProperty(context, cache, CYJSString("uint128"), CYMakeType(context, sig::Primitive<unsigned __int128>()), kJSPropertyAttributeDontEnum);
2562 #endif
2563
2564     CYSetProperty(context, cache, CYJSString("float"), CYMakeType(context, sig::Primitive<float>()), kJSPropertyAttributeDontEnum);
2565     CYSetProperty(context, cache, CYJSString("double"), CYMakeType(context, sig::Primitive<double>()), kJSPropertyAttributeDontEnum);
2566
2567     CYSetProperty(context, global, CYJSString("require"), &require_callAsFunction, kJSPropertyAttributeDontEnum);
2568
2569     JSObjectRef System(JSObjectMake(context, NULL, NULL));
2570     CYSetProperty(context, all, CYJSString("system"), System);
2571     System = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("system")));
2572     CYSetProperty(context, cy, CYJSString("System"), System);
2573
2574     JSObjectRef process(JSObjectMake(context, NULL, NULL));
2575     CYSetProperty(context, global, CYJSString("process"), process);
2576     CYSetProperty(context, cy, CYJSString("process"), process);
2577
2578     CYSetProperty(context, System, CYJSString("args"), CYJSNull(context));
2579     CYSetProperty(context, System, CYJSString("print"), &System_print);
2580
2581     CYSetProperty(context, global, CYJSString("global"), global);
2582     CYSetProperty(context, global, CYJSString("print"), &Global_print);
2583
2584     for (CYHook *hook : GetHooks())
2585         if (hook->SetupContext != NULL)
2586             (*hook->SetupContext)(context);
2587
2588     CYArrayPush(context, alls, cycript);
2589
2590     CYRunScript(context, "/libcycript.cy");
2591 }
2592
2593 static JSGlobalContextRef context_;
2594
2595 _visible JSGlobalContextRef CYGetJSContext() {
2596     CYInitializeDynamic();
2597
2598     if (context_ == NULL) {
2599         context_ = JSGlobalContextCreate(Global_);
2600         CYSetupContext(context_);
2601     }
2602
2603     return context_;
2604 }
2605
2606 _visible void CYDestroyContext() {
2607     if (context_ == NULL)
2608         return;
2609     JSGlobalContextRelease(context_);
2610     context_ = NULL;
2611 }