Execute.cpp

   1 /* Cycript - The Truly Universal Scripting Language
   2  * Copyright (C) 2009-2016  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Affero General Public License, Version 3 {{{ */
   6 /*
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #include "cycript.hpp"
  23
  24 #include <iostream>
  25 #include <set>
  26 #include <map>
  27 #include <iomanip>
  28 #include <sstream>
  29 #include <cmath>
  30
  31 #include <dlfcn.h>
  32 #include <dirent.h>
  33 #include <fcntl.h>
  34 #include <unistd.h>
  35
  36 #include <sys/mman.h>
  37 #include <sys/stat.h>
  38
  39 #include <sqlite3.h>
  40
  41 #include "sig/parse.hpp"
  42 #include "sig/ffi_type.hpp"
  43
  44 #include "Bridge.hpp"
  45 #include "Code.hpp"
  46 #include "Decode.hpp"
  47 #include "Error.hpp"
  48 #include "Execute.hpp"
  49 #include "Internal.hpp"
  50 #include "JavaScript.hpp"
  51 #include "Pooling.hpp"
  52 #include "String.hpp"
  53
  54 const char *sqlite3_column_string(sqlite3_stmt *stmt, int n) {
  55     return reinterpret_cast<const char *>(sqlite3_column_text(stmt, n));
  56 }
  57
  58 char *sqlite3_column_pooled(CYPool &pool, sqlite3_stmt *stmt, int n) {
  59     if (const char *value = sqlite3_column_string(stmt, n))
  60         return pool.strdup(value);
  61     else return NULL;
  62 }
  63
  64 static std::vector<CYHook *> &GetHooks() {
  65     static std::vector<CYHook *> hooks;
  66     return hooks;
  67 }
  68
  69 CYRegisterHook::CYRegisterHook(CYHook *hook) {
  70     GetHooks().push_back(hook);
  71 }
  72
  73 /* JavaScript Properties {{{ */
  74 bool CYHasProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
  75     return JSObjectHasProperty(context, object, name);
  76 }
  77
  78 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) {
  79     return _jsccall(JSObjectGetPropertyAtIndex, context, object, index);
  80 }
  81
  82 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name) {
  83     return _jsccall(JSObjectGetProperty, context, object, name);
  84 }
  85
  86 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value) {
  87     _jsccall(JSObjectSetPropertyAtIndex, context, object, index, value);
  88 }
  89
  90 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes) {
  91     _jsccall(JSObjectSetProperty, context, object, name, value, attributes);
  92 }
  93
  94 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes) {
  95     CYSetProperty(context, object, name, JSObjectMakeFunctionWithCallback(context, name, callback), attributes);
  96 }
  97
  98 JSObjectRef CYGetPrototype(JSContextRef context, JSObjectRef object) {
  99     return CYCastJSObject(context, JSObjectGetPrototype(context, object));
 100 }
 101
 102 void CYSetPrototype(JSContextRef context, JSObjectRef object, JSValueRef value) {
 103     _assert(!JSValueIsUndefined(context, value));
 104     JSObjectSetPrototype(context, object, value);
 105     _assert(CYIsStrictEqual(context, JSObjectGetPrototype(context, object), value));
 106 }
 107 /* }}} */
 108 /* JavaScript Strings {{{ */
 109 JSStringRef CYCopyJSString(const char *value) {
 110     return value == NULL ? NULL : JSStringCreateWithUTF8CString(value);
 111 }
 112
 113 JSStringRef CYCopyJSString(JSStringRef value) {
 114     return value == NULL ? NULL : JSStringRetain(value);
 115 }
 116
 117 JSStringRef CYCopyJSString(CYUTF8String value) {
 118     if (memchr(value.data, '\0', value.size) != NULL) {
 119         CYPool pool;
 120         return CYCopyJSString(CYPoolUTF16String(pool, value));
 121     } else if (value.data[value.size] != '\0') {
 122         CYPool pool;
 123         return CYCopyJSString(pool.strmemdup(value.data, value.size));
 124     } else {
 125         return CYCopyJSString(value.data);
 126     }
 127 }
 128
 129 JSStringRef CYCopyJSString(const std::string &value) {
 130     return CYCopyJSString(CYUTF8String(value.c_str(), value.size()));
 131 }
 132
 133 JSStringRef CYCopyJSString(CYUTF16String value) {
 134     return JSStringCreateWithCharacters(value.data, value.size);
 135 }
 136
 137 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) {
 138     if (JSValueIsNull(context, value))
 139         return NULL;
 140     return _jsccall(JSValueToStringCopy, context, value);
 141 }
 142
 143 CYUTF16String CYCastUTF16String(JSStringRef value) {
 144     return CYUTF16String(JSStringGetCharactersPtr(value), JSStringGetLength(value));
 145 }
 146
 147 const char *CYPoolCString(CYPool &pool, CYUTF8String utf8) {
 148     return pool.strndup(utf8.data, utf8.size);
 149 }
 150
 151 CYUTF8String CYPoolUTF8String(CYPool &pool, CYUTF8String utf8) {
 152     return {pool.strndup(utf8.data, utf8.size), utf8.size};
 153 }
 154
 155 _visible CYUTF8String CYPoolUTF8String(CYPool &pool, const std::string &value) {
 156     return {pool.strndup(value.data(), value.size()), value.size()};
 157 }
 158
 159 CYUTF8String CYPoolUTF8String(CYPool &pool, JSContextRef context, JSStringRef value) {
 160     return CYPoolUTF8String(pool, CYCastUTF16String(value));
 161 }
 162
 163 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSStringRef value) {
 164     CYUTF8String utf8(CYPoolUTF8String(pool, context, value));
 165     _assert(memchr(utf8.data, '\0', utf8.size) == NULL);
 166     return utf8.data;
 167 }
 168
 169 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSValueRef value) {
 170     return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, context, CYJSString(context, value));
 171 }
 172 /* }}} */
 173 /* Index Offsets {{{ */
 174 size_t CYGetIndex(CYPool &pool, JSContextRef context, JSStringRef value) {
 175     return CYGetIndex(CYPoolUTF8String(pool, context, value));
 176 }
 177 /* }}} */
 178
 179 static JSObjectRef (*JSObjectMakeArray$)(JSContextRef, size_t, const JSValueRef[], JSValueRef *);
 180
 181 JSObjectRef CYObjectMakeArray(JSContextRef context, size_t length, const JSValueRef values[]) {
 182     if (JSObjectMakeArray$ != NULL)
 183         return _jsccall(*JSObjectMakeArray$, context, length, values);
 184     JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array")));
 185     bool wat(length == 1 && JSValueGetType(context, values[0]) == kJSTypeNumber);
 186     JSValueRef value(CYCallAsFunction(context, Array, NULL, wat ? 0 : length, values));
 187     JSObjectRef object(CYCastJSObject(context, value));
 188     if (wat) CYArrayPush(context, object, 1, values);
 189     return object;
 190 }
 191
 192 static JSClassRef All_;
 193 JSClassRef cy::Functor::Class_;
 194 static JSClassRef Global_;
 195
 196 JSStringRef Array_s;
 197 JSStringRef constructor_s;
 198 JSStringRef cy_s;
 199 JSStringRef cyi_s;
 200 JSStringRef cyt_s;
 201 JSStringRef cyt__s;
 202 JSStringRef length_s;
 203 JSStringRef message_s;
 204 JSStringRef name_s;
 205 JSStringRef pop_s;
 206 JSStringRef prototype_s;
 207 JSStringRef push_s;
 208 JSStringRef splice_s;
 209 JSStringRef toCYON_s;
 210 JSStringRef toJSON_s;
 211 JSStringRef toPointer_s;
 212 JSStringRef toString_s;
 213 JSStringRef weak_s;
 214
 215 static sqlite3 *database_;
 216
 217 static JSStringRef Result_;
 218
 219 void CYFinalize(JSObjectRef object) {
 220     CYData *internal(reinterpret_cast<CYData *>(JSObjectGetPrivate(object)));
 221     if (internal == NULL)
 222         return;
 223     _assert(internal->count_ != _not(unsigned));
 224     if (--internal->count_ == 0)
 225         delete internal;
 226 }
 227
 228 sig::Type *Structor_(CYPool &pool, sig::Aggregate *aggregate) {
 229     //_assert(false);
 230     return aggregate;
 231 }
 232
 233 struct Context :
 234     CYRoot
 235 {
 236     JSGlobalContextRef context_;
 237
 238     Context(JSGlobalContextRef context) :
 239         context_(context)
 240     {
 241     }
 242 };
 243
 244 struct CArray :
 245     CYRoot
 246 {
 247     void *value_;
 248     CYProtect owner_;
 249     Type_privateData *type_;
 250     size_t length_;
 251
 252     CArray(void *value, size_t length, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 253         value_(value),
 254         owner_(context, owner),
 255         type_(new(*pool_) Type_privateData(type, ffi)),
 256         length_(length)
 257     {
 258     }
 259 };
 260
 261 struct CString :
 262     CYRoot
 263 {
 264     char *value_;
 265     CYProtect owner_;
 266
 267     CString(char *value, JSContextRef context, JSObjectRef owner) :
 268         value_(value),
 269         owner_(context, owner)
 270     {
 271     }
 272 };
 273
 274 struct Pointer :
 275     CYRoot
 276 {
 277     void *value_;
 278     CYProtect owner_;
 279     Type_privateData *type_;
 280
 281     Pointer(void *value, const sig::Type &type, JSContextRef context, JSObjectRef owner) :
 282         value_(value),
 283         owner_(context, owner),
 284         type_(new(*pool_) Type_privateData(type))
 285     {
 286     }
 287
 288     Pointer(void *value, const char *encoding, JSContextRef context, JSObjectRef owner) :
 289         value_(value),
 290         owner_(context, owner),
 291         type_(new(*pool_) Type_privateData(encoding))
 292     {
 293     }
 294 };
 295
 296 struct Struct_privateData :
 297     CYRoot
 298 {
 299     void *value_;
 300     CYProtect owner_;
 301     Type_privateData *type_;
 302
 303     Struct_privateData(void *value, const sig::Type &type, ffi_type *ffi, JSContextRef context, JSObjectRef owner) :
 304         value_(value),
 305         owner_(context, owner),
 306         type_(new(*pool_) Type_privateData(type, ffi))
 307     {
 308         if (owner == NULL) {
 309             size_t size(ffi->size);
 310             void *copy(pool_->malloc<void>(size, ffi->alignment));
 311             memcpy(copy, value_, size);
 312             value_ = copy;
 313         }
 314     }
 315 };
 316
 317 static void *CYCastSymbol(const char *name) {
 318     for (CYHook *hook : GetHooks())
 319         if (hook->CastSymbol != NULL)
 320             if (void *value = (*hook->CastSymbol)(name))
 321                 return value;
 322     return dlsym(RTLD_DEFAULT, name);
 323 }
 324
 325 JSValueRef CYCastJSValue(JSContextRef context, bool value) {
 326     return JSValueMakeBoolean(context, value);
 327 }
 328
 329 JSValueRef CYCastJSValue(JSContextRef context, double value) {
 330     return JSValueMakeNumber(context, value);
 331 }
 332
 333 #define CYCastJSValue_(Type_) \
 334     JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \
 335         _assert(static_cast<Type_>(static_cast<double>(value)) == value); \
 336         return JSValueMakeNumber(context, static_cast<double>(value)); \
 337     }
 338
 339 CYCastJSValue_(long double)
 340 CYCastJSValue_(signed short int)
 341 CYCastJSValue_(unsigned short int)
 342 CYCastJSValue_(signed int)
 343 CYCastJSValue_(unsigned int)
 344 CYCastJSValue_(signed long int)
 345 CYCastJSValue_(unsigned long int)
 346 CYCastJSValue_(signed long long int)
 347 CYCastJSValue_(unsigned long long int)
 348
 349 #ifdef __SIZEOF_INT128__
 350 CYCastJSValue_(signed __int128)
 351 CYCastJSValue_(unsigned __int128)
 352 #endif
 353
 354 JSValueRef CYJSUndefined(JSContextRef context) {
 355     return JSValueMakeUndefined(context);
 356 }
 357
 358 double CYCastDouble(JSContextRef context, JSValueRef value) {
 359     return _jsccall(JSValueToNumber, context, value);
 360 }
 361
 362 bool CYCastBool(JSContextRef context, JSValueRef value) {
 363     return JSValueToBoolean(context, value);
 364 }
 365
 366 JSValueRef CYJSNull(JSContextRef context) {
 367     return JSValueMakeNull(context);
 368 }
 369
 370 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) {
 371     return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value);
 372 }
 373
 374 JSValueRef CYCastJSValue(JSContextRef context, const char *value) {
 375     return CYCastJSValue(context, CYJSString(value));
 376 }
 377
 378 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) {
 379     return _jsccall(JSValueToObject, context, value);
 380 }
 381
 382 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 383     return _jsccall(JSObjectCallAsFunction, context, function, _this, count, arguments);
 384 }
 385
 386 bool CYIsCallable(JSContextRef context, JSValueRef value) {
 387     return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value);
 388 }
 389
 390 bool CYIsEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) {
 391     return _jsccall(JSValueIsEqual, context, lhs, rhs);
 392 }
 393
 394 bool CYIsStrictEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) {
 395     return JSValueIsStrictEqual(context, lhs, rhs);
 396 }
 397
 398 size_t CYArrayLength(JSContextRef context, JSObjectRef array) {
 399     return CYCastDouble(context, CYGetProperty(context, array, length_s));
 400 }
 401
 402 JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index) {
 403     return _jsccall(JSObjectGetPropertyAtIndex, context, array, index);
 404 }
 405
 406 void CYArrayPush(JSContextRef context, JSObjectRef array, size_t length, const JSValueRef arguments[]) {
 407     JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype")));
 408     _jsccall(JSObjectCallAsFunction, context, CYCastJSObject(context, CYGetProperty(context, Array, push_s)), array, length, arguments);
 409 }
 410
 411 void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value) {
 412     return CYArrayPush(context, array, 1, &value);
 413 }
 414
 415 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 416     FILE *file(stdout);
 417
 418     if (count == 0)
 419         fputc('\n', file);
 420     else {
 421         CYPool pool;
 422         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 423         fwrite(string.data, string.size, 1, file);
 424     }
 425
 426     fflush(file);
 427     return CYJSUndefined(context);
 428 } CYCatch(NULL) }
 429
 430 static JSValueRef Global_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 431     FILE *file(stdout);
 432     CYPool pool;
 433
 434     for (size_t i(0); i != count; ++i) {
 435         if (i != 0)
 436             fputc(' ', file);
 437         CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[i])));
 438         fwrite(string.data, string.size, 1, file);
 439     }
 440
 441     fputc('\n', file);
 442     fflush(file);
 443     return CYJSUndefined(context);
 444 } CYCatch(NULL) }
 445
 446 static void (*JSSynchronousGarbageCollectForDebugging$)(JSContextRef);
 447
 448 _visible void CYGarbageCollect(JSContextRef context) {
 449     (JSSynchronousGarbageCollectForDebugging$ ?: &JSGarbageCollect)(context);
 450 }
 451
 452 static JSValueRef Cycript_compile_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 453     CYPool pool;
 454     CYUTF8String before(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
 455     CYUTF8String after(CYPoolCode(pool, before));
 456     return CYCastJSValue(context, CYJSString(after));
 457 } CYCatch_(NULL, "SyntaxError") }
 458
 459 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 460     CYGarbageCollect(context);
 461     return CYJSUndefined(context);
 462 } CYCatch(NULL) }
 463
 464 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects, JSValueRef *exception) { CYTry {
 465     switch (JSType type = JSValueGetType(context, value)) {
 466         case kJSTypeUndefined:
 467             return "undefined";
 468         case kJSTypeNull:
 469             return "null";
 470         case kJSTypeBoolean:
 471             return CYCastBool(context, value) ? "true" : "false";
 472
 473         case kJSTypeNumber: {
 474             std::ostringstream str;
 475             CYNumerify(str, CYCastDouble(context, value));
 476             std::string value(str.str());
 477             return pool.strmemdup(value.c_str(), value.size());
 478         } break;
 479
 480         case kJSTypeString: {
 481             std::ostringstream str;
 482             CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, value)));
 483             CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 484             std::string value(str.str());
 485             return pool.strmemdup(value.c_str(), value.size());
 486         } break;
 487
 488         case kJSTypeObject:
 489             return CYPoolCCYON(pool, context, (JSObjectRef) value, objects);
 490         default:
 491             throw CYJSError(context, "JSValueGetType() == 0x%x", type);
 492     }
 493 } CYCatch(NULL) }
 494
 495 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> &objects) {
 496     return _jsccall(CYPoolCCYON, pool, context, value, objects);
 497 }
 498
 499 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set<void *> *objects) {
 500     if (objects != NULL)
 501         return CYPoolCCYON(pool, context, value, *objects);
 502     else {
 503         std::set<void *> objects;
 504         return CYPoolCCYON(pool, context, value, objects);
 505     }
 506 }
 507
 508 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object, std::set<void *> &objects) {
 509     JSValueRef toCYON(CYGetProperty(context, object, toCYON_s));
 510     if (CYIsCallable(context, toCYON)) {
 511         // XXX: this needs to be abstracted behind some kind of function
 512         JSValueRef arguments[1] = {CYCastJSValue(context, reinterpret_cast<uintptr_t>(&objects))};
 513         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 1, arguments));
 514         _assert(value != NULL);
 515         return CYPoolCString(pool, context, value);
 516     }
 517
 518     JSValueRef toJSON(CYGetProperty(context, object, toJSON_s));
 519     if (CYIsCallable(context, toJSON)) {
 520         JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 521         return _jsccall(CYPoolCCYON, pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), objects);
 522     }
 523
 524     if (JSObjectIsFunction(context, object)) {
 525         JSValueRef toString(CYGetProperty(context, object, toString_s));
 526         if (CYIsCallable(context, toString)) {
 527             JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))};
 528             JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toString, object, 1, arguments));
 529             _assert(value != NULL);
 530             return CYPoolCString(pool, context, value);
 531         }
 532     }
 533
 534     _assert(objects.insert(object).second);
 535
 536     std::ostringstream str;
 537
 538     JSValueRef value(CYGetProperty(context, object, constructor_s));
 539     if (JSValueIsObject(context, value)) {
 540         JSObjectRef constructor(CYCastJSObject(context, value));
 541         JSValueRef theory(CYGetProperty(context, constructor, prototype_s));
 542         JSValueRef practice(JSObjectGetPrototype(context, object));
 543
 544         if (CYIsStrictEqual(context, theory, practice)) {
 545             JSValueRef name(CYGetProperty(context, constructor, name_s));
 546             if (!JSValueIsUndefined(context, name)) {
 547                 auto utf8(CYPoolUTF8String(pool, context, CYJSString(context, name)));
 548                 if (utf8 != "Object")
 549                     str << "new" << ' ' << utf8;
 550             }
 551         }
 552     }
 553
 554     str << '{';
 555
 556     // XXX: this is, sadly, going to leak
 557     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, object));
 558
 559     bool comma(false);
 560
 561     for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) {
 562         if (comma)
 563             str << ',';
 564         else
 565             comma = true;
 566
 567         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
 568         CYUTF8String string(CYPoolUTF8String(pool, context, name));
 569
 570         if (CYIsKey(string))
 571             str << string.data;
 572         else
 573             CYStringify(str, string.data, string.size, CYStringifyModeLegacy);
 574
 575         str << ':';
 576
 577         try {
 578             JSValueRef value(CYGetProperty(context, object, name));
 579             str << CYPoolCCYON(pool, context, value, objects);
 580         } catch (const CYException &error) {
 581             str << "@error";
 582         }
 583     }
 584
 585     JSPropertyNameArrayRelease(names);
 586
 587     str << '}';
 588
 589     std::string string(str.str());
 590     return pool.strmemdup(string.c_str(), string.size());
 591 }
 592
 593 std::set<void *> *CYCastObjects(JSContextRef context, JSObjectRef _this, size_t count, const JSValueRef arguments[]) {
 594     if (count == 0)
 595         return NULL;
 596     return CYCastPointer<std::set<void *> *>(context, arguments[0]);
 597 }
 598
 599 static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 600     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
 601     // XXX: this is horribly inefficient
 602     std::set<void *> backup;
 603     if (objects == NULL)
 604         objects = &backup;
 605
 606     CYPool pool;
 607     std::ostringstream str;
 608
 609     str << '[';
 610
 611     JSValueRef length(CYGetProperty(context, _this, length_s));
 612     bool comma(false);
 613
 614     for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) {
 615         if (comma)
 616             str << ',';
 617         else
 618             comma = true;
 619
 620         try {
 621             JSValueRef value(CYGetProperty(context, _this, index));
 622             if (!JSValueIsUndefined(context, value))
 623                 str << CYPoolCCYON(pool, context, value, *objects);
 624             else {
 625                 str << ',';
 626                 comma = false;
 627             }
 628         } catch (const CYException &error) {
 629             str << "@error";
 630         }
 631     }
 632
 633     str << ']';
 634
 635     std::string value(str.str());
 636     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 637 } CYCatch(NULL) }
 638
 639 static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
 640     CYPool pool;
 641     std::ostringstream str;
 642
 643     CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, _this)));
 644     CYStringify(str, string.data, string.size, CYStringifyModeCycript);
 645
 646     std::string value(str.str());
 647     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 648 } CYCatch(NULL) }
 649
 650 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, const sig::Type &type, ffi_type *ffi, JSObjectRef owner) {
 651     return CYPrivate<Pointer>::Make(context, pointer, type, context, owner);
 652 }
 653
 654 static JSValueRef CYMakeFunctor(JSContextRef context, void (*function)(), bool variadic, const sig::Signature &signature) {
 655     if (function == NULL)
 656         return CYJSNull(context);
 657     return JSObjectMake(context, cy::Functor::Class_, new cy::Functor(function, variadic, signature));
 658 }
 659
 660 // XXX: remove this, as it is really stupid
 661 static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *encoding) {
 662     void (*function)()(reinterpret_cast<void (*)()>(CYCastSymbol(symbol)));
 663     if (function == NULL)
 664         return NULL;
 665
 666     cy::Functor *internal(new cy::Functor(function, encoding));
 667     ++internal->count_;
 668     return JSObjectMake(context, cy::Functor::Class_, internal);
 669 }
 670
 671 bool CYGetOffset(CYPool &pool, JSContextRef context, JSStringRef value, ssize_t &index) {
 672     return CYGetOffset(CYPoolCString(pool, context, value), index);
 673 }
 674
 675 // XXX: this is a horrible back added for CFType
 676 void *CYCastPointerEx_(JSContextRef context, JSObjectRef value) {
 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
 683     JSValueRef toPointer(CYGetProperty(context, object, toPointer_s));
 684     if (CYIsCallable(context, toPointer)) {
 685         JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
 686         _assert(value != NULL);
 687         return CYCastPointer_(context, value);
 688     }
 689
 690     return NULL;
 691 }
 692
 693 void *CYCastPointer_(JSContextRef context, JSValueRef value, bool *guess) {
 694     if (value == NULL)
 695         return NULL;
 696     else switch (JSValueGetType(context, value)) {
 697         case kJSTypeNull:
 698             return NULL;
 699         case kJSTypeObject: {
 700             JSObjectRef object((JSObjectRef) value);
 701             if (JSValueIsObjectOfClass(context, value, CYPrivate<Pointer>::Class_)) {
 702                 Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
 703                 return internal->value_;
 704             }
 705             JSValueRef toPointer(CYGetProperty(context, object, toPointer_s));
 706             if (CYIsCallable(context, toPointer)) {
 707                 JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL));
 708                 _assert(value != NULL);
 709                 return CYCastPointer_(context, value, guess);
 710             }
 711         } default:
 712             if (guess != NULL)
 713                 *guess = true;
 714         case kJSTypeNumber:
 715             double number(CYCastDouble(context, value));
 716             if (!std::isnan(number))
 717                 return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number)));
 718             if (guess == NULL)
 719                 throw CYJSError(context, "cannot convert value to pointer");
 720             else {
 721                 *guess = true;
 722                 return NULL;
 723             }
 724     }
 725 }
 726
 727 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function);
 728
 729 namespace sig {
 730
 731 // XXX: this is somehow not quite a template :/
 732
 733 template <>
 734 void Primitive<bool>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 735     *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value);
 736 }
 737
 738 #define CYPoolFFI_(Type_) \
 739 template <> \
 740 void Primitive<Type_>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const { \
 741     *reinterpret_cast<Type_ *>(data) = CYCastDouble(context, value); \
 742 }
 743
 744 CYPoolFFI_(wchar_t)
 745 CYPoolFFI_(float)
 746 CYPoolFFI_(double)
 747 CYPoolFFI_(long double)
 748
 749 CYPoolFFI_(signed char)
 750 CYPoolFFI_(signed int)
 751 CYPoolFFI_(signed long int)
 752 CYPoolFFI_(signed long long int)
 753 CYPoolFFI_(signed short int)
 754
 755 CYPoolFFI_(unsigned char)
 756 CYPoolFFI_(unsigned int)
 757 CYPoolFFI_(unsigned long int)
 758 CYPoolFFI_(unsigned long long int)
 759 CYPoolFFI_(unsigned short int)
 760
 761 #ifdef __SIZEOF_INT128__
 762 CYPoolFFI_(signed __int128)
 763 CYPoolFFI_(unsigned __int128)
 764 #endif
 765
 766 template <>
 767 void Primitive<char>::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 768     if (JSValueGetType(context, value) != kJSTypeString)
 769         *reinterpret_cast<char *>(data) = CYCastDouble(context, value);
 770     else {
 771         CYJSString script(context, value);
 772         auto string(CYCastUTF16String(script));
 773         _assert(string.size == 1);
 774         _assert((string.data[0] & 0xff) == string.data[0]);
 775         *reinterpret_cast<char *>(data) = string.data[0];
 776     }
 777 }
 778
 779 void Void::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 780     _assert(JSValueIsUndefined(context, value));
 781 }
 782
 783 void Unknown::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 784     _assert(false);
 785 }
 786
 787 void String::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 788     bool guess(false);
 789     *reinterpret_cast<const char **>(data) = CYCastPointer<const char *>(context, value, &guess);
 790     if (guess && pool != NULL)
 791         *reinterpret_cast<const char **>(data) = CYPoolCString(*pool, context, value);
 792 }
 793
 794 void Bits::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 795     _assert(false);
 796 }
 797
 798 static void CYArrayCopy(CYPool *pool, JSContextRef context, uint8_t *base, size_t length, const sig::Type &type, ffi_type *ffi, JSObjectRef object) {
 799     for (size_t index(0); index != length; ++index) {
 800         JSValueRef rhs(CYGetProperty(context, object, index));
 801         if (JSValueIsUndefined(context, rhs))
 802             throw CYJSError(context, "unable to extract array value");
 803         type.PoolFFI(pool, context, ffi, base, rhs);
 804         base += ffi->size;
 805     }
 806 }
 807
 808 void Pointer::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 809     bool guess(false);
 810     *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value, &guess);
 811     if (!guess || pool == NULL || !JSValueIsObject(context, value))
 812         return;
 813
 814     JSObjectRef object(CYCastJSObject(context, value));
 815
 816     if (sig::Function *function = dynamic_cast<sig::Function *>(&type)) {
 817         _assert(!function->variadic);
 818         auto internal(CYMakeFunctor_(context, object, function->signature, &FunctionAdapter_));
 819         // XXX: see notes in Library.cpp about needing to leak
 820         *reinterpret_cast<void (**)()>(data) = internal->value_;
 821     } else if (CYHasProperty(context, object, length_s)) {
 822         size_t length(CYArrayLength(context, object));
 823         ffi_type *element(type.GetFFI(*pool));
 824         size_t size(element->size * length);
 825         uint8_t *base(pool->malloc<uint8_t>(size, element->alignment));
 826         CYArrayCopy(pool, context, base, length, type, element, object);
 827         *reinterpret_cast<void **>(data) = base;
 828     }
 829 }
 830
 831 void Array::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 832     if (size == 0)
 833         return;
 834     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 835     CYArrayCopy(pool, context, base, size, type, ffi->elements[0], CYCastJSObject(context, value));
 836 }
 837
 838 void Enum::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 839     return type.PoolFFI(pool, context, ffi, data, value);
 840 }
 841
 842 void Aggregate::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 843     _assert(!overlap);
 844     _assert(signature.count != _not(size_t));
 845
 846     size_t offset(0);
 847     uint8_t *base(reinterpret_cast<uint8_t *>(data));
 848     JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL);
 849     for (size_t index(0); index != signature.count; ++index) {
 850         sig::Element *element(&signature.elements[index]);
 851         ffi_type *field(ffi->elements[index]);
 852
 853         JSValueRef rhs;
 854         if (aggregate == NULL)
 855             rhs = value;
 856         else {
 857             rhs = CYGetProperty(context, aggregate, index);
 858             if (JSValueIsUndefined(context, rhs)) {
 859                 if (element->name != NULL)
 860                     rhs = CYGetProperty(context, aggregate, CYJSString(element->name));
 861                 else
 862                     goto undefined;
 863                 if (JSValueIsUndefined(context, rhs)) undefined:
 864                     throw CYJSError(context, "unable to extract structure value");
 865             }
 866         }
 867
 868         element->type->PoolFFI(pool, context, field, base + offset, rhs);
 869         offset += field->size;
 870         CYAlign(offset, field->alignment);
 871     }
 872 }
 873
 874 void Function::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *data, JSValueRef value) const {
 875     _assert(false);
 876 }
 877
 878 // XXX: this code is getting worse, not better :/
 879
 880 #define CYFromFFI_(Type_) \
 881 template <> \
 882 JSValueRef Primitive<Type_>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const { \
 883     JSValueRef value(CYCastJSValue(context, *reinterpret_cast<Type_ *>(data))); \
 884     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("Number")), 1, &value)); \
 885     CYSetProperty(context, typed, cyt__s, CYMakeType(context, *this), kJSPropertyAttributeDontEnum); \
 886     return typed; \
 887 }
 888
 889 #define CYFromFFI_2(Type_) \
 890 template <> \
 891 JSValueRef Primitive<Type_>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const { \
 892     return CYCastJSValue(context, *reinterpret_cast<Type_ *>(data)); \
 893 }
 894
 895 CYFromFFI_(wchar_t)
 896 CYFromFFI_(float)
 897 CYFromFFI_(double)
 898 CYFromFFI_(long double)
 899
 900 CYFromFFI_2(signed char)
 901 CYFromFFI_2(signed int)
 902 CYFromFFI_(signed long int)
 903 CYFromFFI_(signed long long int)
 904 CYFromFFI_2(signed short int)
 905
 906 CYFromFFI_2(unsigned char)
 907 CYFromFFI_2(unsigned int)
 908 CYFromFFI_(unsigned long int)
 909 CYFromFFI_(unsigned long long int)
 910 CYFromFFI_2(unsigned short int)
 911
 912 #ifdef __SIZEOF_INT128__
 913 CYFromFFI_(signed __int128)
 914 CYFromFFI_(unsigned __int128)
 915 #endif
 916
 917 template <>
 918 JSValueRef Primitive<bool>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 919     return CYCastJSValue(context, *reinterpret_cast<bool *>(data));
 920 }
 921
 922 template <>
 923 JSValueRef Primitive<char>::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 924     uint16_t string(uint8_t(*reinterpret_cast<char *>(data)));
 925     JSValueRef value(CYCastJSValue(context, CYJSString(CYUTF16String(&string, 1))));
 926     JSObjectRef typed(_jsccall(JSObjectCallAsConstructor, context, CYGetCachedObject(context, CYJSString("String")), 1, &value));
 927     CYSetProperty(context, typed, cyt_s, CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
 928     CYSetPrototype(context, typed, CYGetCachedValue(context, CYJSString("Character_prototype")));
 929     return typed;
 930 }
 931
 932 JSValueRef Void::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 933     return CYJSUndefined(context);
 934 }
 935
 936 JSValueRef Unknown::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 937     _assert(false);
 938 }
 939
 940 JSValueRef String::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 941     if (char *value = *reinterpret_cast<char **>(data))
 942         return CYPrivate<CString>::Make(context, value, context, owner);
 943     return CYJSNull(context);
 944 }
 945
 946 JSValueRef Bits::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 947     _assert(false);
 948 }
 949
 950 JSValueRef Pointer::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 951     if (void *value = *reinterpret_cast<void **>(data))
 952         return CYMakePointer(context, value, type, NULL, owner);
 953     return CYJSNull(context);
 954 }
 955
 956 JSValueRef Array::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 957     return CYPrivate<CArray>::Make(context, data, size, type, ffi->elements[0], context, owner);
 958 }
 959
 960 JSValueRef Enum::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 961     return type.FromFFI(context, ffi, data, initialize, owner);
 962 }
 963
 964 JSValueRef Aggregate::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 965     _assert(!overlap);
 966     _assert(signature.count != _not(size_t));
 967     return CYPrivate<Struct_privateData>::Make(context, data, *this, ffi, context, owner);
 968 }
 969
 970 JSValueRef Function::FromFFI(JSContextRef context, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) const {
 971     return CYMakeFunctor(context, reinterpret_cast<void (*)()>(data), variadic, signature);
 972 }
 973
 974 }
 975
 976 void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg) {
 977     Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg));
 978
 979     JSContextRef context(internal->function_);
 980
 981     size_t count(internal->cif_.nargs);
 982     JSValueRef values[count];
 983
 984     for (size_t index(0); index != count; ++index)
 985         values[index] = internal->signature_.elements[1 + index].type->FromFFI(context, internal->cif_.arg_types[index], arguments[index]);
 986
 987     JSValueRef value(internal->adapter_(context, count, values, internal->function_));
 988     internal->signature_.elements[0].type->PoolFFI(NULL, context, internal->cif_.rtype, result, value);
 989 }
 990
 991 static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) {
 992     return CYCallAsFunction(context, function, NULL, count, values);
 993 }
 994
 995 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
 996 static void CYFreeFunctor(void *data) {
 997     ffi_closure_free(data);
 998 }
 999 #else
1000 static void CYFreeFunctor(void *data) {
1001     _syscall(munmap(data, sizeof(ffi_closure)));
1002 }
1003 #endif
1004
1005 Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const sig::Signature &signature, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) {
1006     // XXX: in case of exceptions this will leak
1007     Closure_privateData *internal(new Closure_privateData(context, function, adapter, signature));
1008
1009 #if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
1010     void *executable;
1011     ffi_closure *writable(reinterpret_cast<ffi_closure *>(ffi_closure_alloc(sizeof(ffi_closure), &executable)));
1012
1013     ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, &CYExecuteClosure, internal, executable));
1014     _assert(status == FFI_OK);
1015
1016     internal->pool_->atexit(&CYFreeFunctor, writable);
1017     internal->value_ = reinterpret_cast<void (*)()>(executable);
1018 #else
1019     ffi_closure *closure((ffi_closure *) _syscall(mmap(
1020         NULL, sizeof(ffi_closure),
1021         PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
1022         -1, 0
1023     )));
1024
1025     ffi_status status(ffi_prep_closure(closure, &internal->cif_, &CYExecuteClosure, internal));
1026     _assert(status == FFI_OK);
1027
1028     _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC));
1029
1030     internal->pool_->atexit(&CYFreeFunctor, closure);
1031     internal->value_ = reinterpret_cast<void (*)()>(closure);
1032 #endif
1033
1034     return internal;
1035 }
1036
1037 static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const sig::Signature &signature) {
1038     Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &FunctionAdapter_));
1039     JSObjectRef object(JSObjectMake(context, cy::Functor::Class_, internal));
1040     // XXX: see above notes about needing to leak
1041     JSValueProtect(CYGetJSContext(context), object);
1042     return object;
1043 }
1044
1045 JSValueRef CYGetCachedValue(JSContextRef context, JSStringRef name) {
1046     return CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name);
1047 }
1048
1049 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) {
1050     return CYCastJSObject(context, CYGetCachedValue(context, name));
1051 }
1052
1053 static JSValueRef CYMakeFunctor(JSContextRef context, JSValueRef value, bool variadic, const sig::Signature &signature) {
1054     JSObjectRef Function(CYGetCachedObject(context, CYJSString("Function")));
1055
1056     bool function(_jsccall(JSValueIsInstanceOfConstructor, context, value, Function));
1057     if (function) {
1058         JSObjectRef function(CYCastJSObject(context, value));
1059         return CYMakeFunctor(context, function, signature);
1060     } else {
1061         void (*function)()(CYCastPointer<void (*)()>(context, value));
1062         return CYMakeFunctor(context, function, variadic, signature);
1063     }
1064 }
1065
1066 static JSValueRef CString_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1067     CYPool pool;
1068     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1069
1070     ssize_t offset;
1071     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1072         offset = 0;
1073     else if (!CYGetOffset(pool, context, property, offset))
1074         return NULL;
1075
1076     sig::Primitive<char> type;
1077     return type.FromFFI(context, type.GetFFI(pool), internal->value_ + offset, false, NULL);
1078 } CYCatch(NULL) }
1079
1080 static bool CString_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1081     CYPool pool;
1082     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1083
1084     ssize_t offset;
1085     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1086         offset = 0;
1087     else if (!CYGetOffset(pool, context, property, offset))
1088         return false;
1089
1090     sig::Primitive<char> type;
1091     type.PoolFFI(NULL, context, type.GetFFI(pool), internal->value_ + offset, value);
1092     return true;
1093 } CYCatch(false) }
1094
1095 static bool Index_(CYPool &pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) {
1096     Type_privateData *typical(internal->type_);
1097     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1098     if (type == NULL)
1099         return false;
1100
1101     const char *name(CYPoolCString(pool, context, property));
1102     size_t length(strlen(name));
1103     double number(CYCastDouble(name, length));
1104
1105     size_t count(type->signature.count);
1106
1107     if (std::isnan(number)) {
1108         if (property == NULL)
1109             return false;
1110
1111         sig::Element *elements(type->signature.elements);
1112
1113         for (size_t local(0); local != count; ++local) {
1114             sig::Element *element(&elements[local]);
1115             if (element->name != NULL && strcmp(name, element->name) == 0) {
1116                 index = local;
1117                 goto base;
1118             }
1119         }
1120
1121         return false;
1122     } else {
1123         index = static_cast<ssize_t>(number);
1124         if (index != number || index < 0 || static_cast<size_t>(index) >= count)
1125             return false;
1126     }
1127
1128   base:
1129     ffi_type **elements(typical->GetFFI()->elements);
1130
1131     size_t offset(0);
1132     for (ssize_t local(0); local != index; ++local) {
1133         offset += elements[local]->size;
1134         CYAlign(offset, elements[local + 1]->alignment);
1135     }
1136
1137     base = reinterpret_cast<uint8_t *>(internal->value_) + offset;
1138     return true;
1139 }
1140
1141 static void *Offset_(CYPool &pool, JSContextRef context, JSStringRef property, void *data, ffi_type *ffi) {
1142     ssize_t offset;
1143     if (JSStringIsEqualToUTF8CString(property, "$cyi"))
1144         offset = 0;
1145     else if (!CYGetOffset(pool, context, property, offset))
1146         return NULL;
1147     return reinterpret_cast<uint8_t *>(data) + ffi->size * offset;
1148 }
1149
1150 static JSValueRef Offset_getProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSObjectRef owner) {
1151     ffi_type *ffi(typical->GetFFI());
1152     void *base(Offset_(pool, context, property, data, ffi));
1153     if (base == NULL)
1154         return NULL;
1155     return typical->type_->FromFFI(context, ffi, base, false, owner);
1156 }
1157
1158 static bool Offset_setProperty(CYPool &pool, JSContextRef context, JSStringRef property, void *data, Type_privateData *typical, JSValueRef value) {
1159     ffi_type *ffi(typical->GetFFI());
1160     void *base(Offset_(pool, context, property, data, ffi));
1161     if (base == NULL)
1162         return false;
1163
1164     typical->type_->PoolFFI(NULL, context, ffi, base, value);
1165     return true;
1166 }
1167
1168 static JSValueRef CArray_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1169     CYPool pool;
1170     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1171     if (JSStringIsEqual(property, length_s))
1172         return CYCastJSValue(context, internal->length_);
1173     Type_privateData *typical(internal->type_);
1174     JSObjectRef owner(internal->owner_ ?: object);
1175     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1176 } CYCatch(NULL) }
1177
1178 static bool CArray_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1179     CYPool pool;
1180     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1181     Type_privateData *typical(internal->type_);
1182     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1183 } CYCatch(false) }
1184
1185 static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1186     CYPool pool;
1187     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1188
1189     Type_privateData *typical(internal->type_);
1190
1191     if (sig::Function *function = dynamic_cast<sig::Function *>(typical->type_)) {
1192         if (!JSStringIsEqualToUTF8CString(property, "$cyi"))
1193             return NULL;
1194         return CYMakeFunctor(context, reinterpret_cast<void (*)()>(internal->value_), function->variadic, function->signature);
1195     }
1196
1197     JSObjectRef owner(internal->owner_ ?: object);
1198     return Offset_getProperty(pool, context, property, internal->value_, typical, owner);
1199 } CYCatch(NULL) }
1200
1201 static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1202     CYPool pool;
1203     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1204     Type_privateData *typical(internal->type_);
1205     return Offset_setProperty(pool, context, property, internal->value_, typical, value);
1206 } CYCatch(false) }
1207
1208 static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1209     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this)));
1210     Type_privateData *typical(internal->type_);
1211     return CYMakePointer(context, internal->value_, *typical->type_, typical->ffi_, _this);
1212 } CYCatch(NULL) }
1213
1214 static JSValueRef Struct_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1215     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1216     return CYMakeType(context, *internal->type_->type_);
1217 } CYCatch(NULL) }
1218
1219 static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1220     CYPool pool;
1221     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1222     Type_privateData *typical(internal->type_);
1223     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1224
1225     ssize_t index;
1226     uint8_t *base;
1227
1228     if (!Index_(pool, context, internal, property, index, base))
1229         return NULL;
1230
1231     JSObjectRef owner(internal->owner_ ?: object);
1232
1233     return type->signature.elements[index].type->FromFFI(context, typical->GetFFI()->elements[index], base, false, owner);
1234 } CYCatch(NULL) }
1235
1236 static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry {
1237     CYPool pool;
1238     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1239     Type_privateData *typical(internal->type_);
1240     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1241
1242     ssize_t index;
1243     uint8_t *base;
1244
1245     if (!Index_(pool, context, internal, property, index, base))
1246         return false;
1247
1248     type->signature.elements[index].type->PoolFFI(NULL, context, typical->GetFFI()->elements[index], base, value);
1249     return true;
1250 } CYCatch(false) }
1251
1252 static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1253     Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object)));
1254     Type_privateData *typical(internal->type_);
1255     sig::Aggregate *type(static_cast<sig::Aggregate *>(typical->type_));
1256
1257     if (type == NULL)
1258         return;
1259
1260     size_t count(type->signature.count);
1261     sig::Element *elements(type->signature.elements);
1262
1263     char number[32];
1264
1265     for (size_t index(0); index != count; ++index) {
1266         const char *name;
1267         name = elements[index].name;
1268
1269         if (name == NULL) {
1270             sprintf(number, "%zu", index);
1271             name = number;
1272         }
1273
1274         JSPropertyNameAccumulatorAddName(names, CYJSString(name));
1275     }
1276 }
1277
1278 static sig::Void Void_;
1279 static sig::Pointer PointerToVoid_(Void_);
1280
1281 static sig::Type *CYGetType(CYPool &pool, JSContextRef context, JSValueRef value) {
1282     if (JSValueIsNull(context, value))
1283         return &PointerToVoid_;
1284     JSObjectRef object(CYCastJSObject(context, value));
1285     JSValueRef check(CYGetProperty(context, object, cyt_s));
1286     if (JSValueIsUndefined(context, check))
1287         CYThrow("could not infer type of argument '%s'", CYPoolCString(pool, context, value));
1288     JSObjectRef type(CYCastJSObject(context, check));
1289     _assert(JSValueIsObjectOfClass(context, type, CYPrivate<Type_privateData>::Class_));
1290     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(type)));
1291     return internal->type_;
1292 }
1293
1294 void CYCallFunction(CYPool &pool, JSContextRef context, ffi_cif *cif, void (*function)(), void *value, void **values) {
1295     ffi_call(cif, function, value, values);
1296 }
1297
1298 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)()) {
1299     size_t have(setups + count);
1300     size_t need(signature.count - 1);
1301
1302     if (have < need)
1303         throw CYJSError(context, "insufficient number of arguments to ffi function");
1304
1305     ffi_cif corrected;
1306     sig::Element *elements(signature.elements);
1307
1308     if (have > need) {
1309         if (!variadic)
1310             throw CYJSError(context, "exorbitant number of arguments to ffi function");
1311
1312         elements = new (pool) sig::Element[have + 1];
1313         memcpy(elements, signature.elements, sizeof(sig::Element) * (need + 1));
1314
1315         for (size_t index(need); index != have; ++index) {
1316             sig::Element &element(elements[index + 1]);
1317             element.name = NULL;
1318             element.offset = _not(size_t);
1319             element.type = CYGetType(pool, context, arguments[index - setups]);
1320         }
1321
1322         sig::Signature extended;
1323         extended.elements = elements;
1324         extended.count = have + 1;
1325         sig::sig_ffi_cif(pool, signature.count, extended, &corrected);
1326         cif = &corrected;
1327     }
1328
1329     void *values[have];
1330     memcpy(values, setup, sizeof(void *) * setups);
1331
1332     for (size_t index(setups); index != have; ++index) {
1333         sig::Element &element(elements[index + 1]);
1334         ffi_type *ffi(cif->arg_types[index]);
1335         values[index] = pool.malloc<uint8_t>(ffi->size, ffi->alignment);
1336         element.type->PoolFFI(&pool, context, ffi, values[index], arguments[index - setups]);
1337     }
1338
1339     CYBuffer buffer(context);
1340     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))));
1341
1342     void (*call)(CYPool &, JSContextRef, ffi_cif *, void (*)(), void *, void **) = &CYCallFunction;
1343     // XXX: this only supports one hook, but it is a bad idea anyway
1344     for (CYHook *hook : GetHooks())
1345         if (hook->CallFunction != NULL)
1346             call = hook->CallFunction;
1347
1348     call(pool, context, cif, function, value, values);
1349     return signature.elements[0].type->FromFFI(context, cif->rtype, value, initialize, buffer);
1350 }
1351
1352 static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1353     CYPool pool;
1354     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1355     return CYCallFunction(pool, context, 0, NULL, count, arguments, false, internal->variadic_, internal->signature_, &internal->cif_, internal->value_);
1356 } CYCatch(NULL) }
1357
1358 static JSValueRef Pointer_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1359     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1360     if (dynamic_cast<sig::Function *>(internal->type_->type_) == NULL)
1361         throw CYJSError(context, "cannot call a pointer to non-function");
1362     JSObjectRef functor(CYCastJSObject(context, CYGetProperty(context, object, cyi_s)));
1363     return CYCallAsFunction(context, functor, _this, count, arguments);
1364 } CYCatch(NULL) }
1365
1366 JSObjectRef CYMakeType(JSContextRef context, const sig::Type &type) {
1367     return CYPrivate<Type_privateData>::Make(context, type);
1368 }
1369
1370 extern "C" bool CYBridgeHash(CYPool &pool, CYUTF8String name, const char *&code, unsigned &flags) {
1371     sqlite3_stmt *statement;
1372
1373     _sqlcall(sqlite3_prepare(database_,
1374         "select "
1375             "\"cache\".\"code\", "
1376             "\"cache\".\"flags\" "
1377         "from \"cache\" "
1378         "where"
1379             " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM " and"
1380             " \"cache\".\"name\" = ?"
1381         " limit 1"
1382     , -1, &statement, NULL));
1383
1384     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
1385
1386     bool success;
1387     if (_sqlcall(sqlite3_step(statement)) == SQLITE_DONE)
1388         success = false;
1389     else {
1390         success = true;
1391         code = sqlite3_column_pooled(pool, statement, 0);
1392         flags = sqlite3_column_int(statement, 1);
1393     }
1394
1395     _sqlcall(sqlite3_finalize(statement));
1396     return success;
1397 }
1398
1399 static bool All_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) {
1400     if (JSStringIsEqualToUTF8CString(property, "errno"))
1401         return true;
1402
1403     JSObjectRef global(CYGetGlobalObject(context));
1404     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1405     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1406
1407     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1408         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1409             if (CYHasProperty(context, space, property))
1410                 return true;
1411
1412     CYPool pool;
1413     const char *code;
1414     unsigned flags;
1415     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags))
1416         return true;
1417
1418     return false;
1419 }
1420
1421 static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1422     if (JSStringIsEqualToUTF8CString(property, "errno"))
1423         return CYCastJSValue(context, errno);
1424
1425     JSObjectRef global(CYGetGlobalObject(context));
1426     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1427     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1428
1429     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1430         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1)))
1431             if (JSValueRef value = CYGetProperty(context, space, property))
1432                 if (!JSValueIsUndefined(context, value))
1433                     return value;
1434
1435     CYPool pool;
1436     const char *code;
1437     unsigned flags;
1438     if (CYBridgeHash(pool, CYPoolUTF8String(pool, context, property), code, flags)) {
1439         CYUTF8String parsed;
1440
1441         try {
1442             parsed = CYPoolCode(pool, code);
1443         } catch (const CYException &error) {
1444             CYThrow("%s", pool.strcat("error caching ", CYPoolCString(pool, context, property), ": ", error.PoolCString(pool), NULL));
1445         }
1446
1447         JSObjectRef cache(CYGetCachedObject(context, CYJSString("cache")));
1448
1449         JSObjectRef stub;
1450         if (flags == CYBridgeType) {
1451             stub = CYMakeType(context, sig::Void());
1452             CYSetProperty(context, cache, property, stub);
1453         } else
1454             stub = NULL;
1455
1456         JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(parsed), NULL, NULL, 0));
1457
1458         switch (flags) {
1459             case CYBridgeVoid: {
1460             } break;
1461
1462             case CYBridgeHold: {
1463                 CYSetProperty(context, cache, property, value);
1464             } break;
1465
1466             case CYBridgeType: {
1467                 JSObjectRef swap(CYCastJSObject(context, value));
1468                 void *source(JSObjectGetPrivate(swap));
1469                 _assert(source != NULL);
1470                 void *target(JSObjectGetPrivate(stub));
1471                 _assert(JSObjectSetPrivate(swap, target));
1472                 _assert(JSObjectSetPrivate(stub, source));
1473                 value = stub;
1474             } break;
1475         }
1476
1477         return value;
1478     }
1479
1480     return NULL;
1481 } CYCatch(NULL) }
1482
1483 static JSValueRef All_complete_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1484     _assert(count == 1 || count == 2);
1485     CYPool pool;
1486     CYUTF8String prefix(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
1487
1488     JSObjectRef array(NULL);
1489
1490     {
1491     CYArrayBuilder<1024> values(context, array);
1492
1493     sqlite3_stmt *statement;
1494
1495     if (prefix.size == 0)
1496         _sqlcall(sqlite3_prepare(database_,
1497             "select "
1498                 "\"cache\".\"name\" "
1499             "from \"cache\" "
1500             "where"
1501                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1502         , -1, &statement, NULL));
1503     else {
1504         _sqlcall(sqlite3_prepare(database_,
1505             "select "
1506                 "\"cache\".\"name\" "
1507             "from \"cache\" "
1508             "where"
1509                 " \"cache\".\"name\" >= ? and \"cache\".\"name\" < ? and "
1510                 " \"cache\".\"system\" & " CY_SYSTEM " == " CY_SYSTEM
1511         , -1, &statement, NULL));
1512
1513         _sqlcall(sqlite3_bind_text(statement, 1, prefix.data, prefix.size, SQLITE_STATIC));
1514
1515         char *after(pool.strndup(prefix.data, prefix.size));
1516         ++after[prefix.size - 1];
1517         _sqlcall(sqlite3_bind_text(statement, 2, after, prefix.size, SQLITE_STATIC));
1518     }
1519
1520     while (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE)
1521         values(CYCastJSValue(context, CYJSString(sqlite3_column_string(statement, 0))));
1522
1523     _sqlcall(sqlite3_finalize(statement));
1524     }
1525
1526     return array;
1527 } CYCatch(NULL) }
1528
1529 static void All_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) {
1530     JSObjectRef global(CYGetGlobalObject(context));
1531     JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript"))));
1532     JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls"))));
1533
1534     for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i)
1535         if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) {
1536             JSPropertyNameArrayRef subset(JSObjectCopyPropertyNames(context, space));
1537             for (size_t index(0), count(JSPropertyNameArrayGetCount(subset)); index != count; ++index)
1538                 JSPropertyNameAccumulatorAddName(names, JSPropertyNameArrayGetNameAtIndex(subset, index));
1539             JSPropertyNameArrayRelease(subset);
1540         }
1541 }
1542
1543 static JSObjectRef CArray_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1544     _assert(false);
1545 } CYCatchObject() }
1546
1547 static JSObjectRef CString_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1548     _assert(false);
1549 } CYCatchObject() }
1550
1551 static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1552     _assert(false);
1553 } CYCatchObject() }
1554
1555 static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1556     CYPool pool;
1557
1558     if (false) {
1559     } else if (count == 1) {
1560         switch (JSValueGetType(context, arguments[0])) {
1561             case kJSTypeString: {
1562                 const char *encoding(CYPoolCString(pool, context, arguments[0]));
1563                 sig::Signature signature;
1564                 sig::Parse(pool, &signature, encoding, &Structor_);
1565                 return CYMakeType(context, *signature.elements[0].type);
1566             } break;
1567
1568             case kJSTypeObject: {
1569                 // XXX: accept a set of enum constants and /guess/ at their size
1570                 _assert(false);
1571             } break;
1572
1573             default:
1574                 throw CYJSError(context, "incorrect kind of argument to new Type");
1575         }
1576     } else if (count == 2) {
1577         JSObjectRef types(CYCastJSObject(context, arguments[0]));
1578         size_t count(CYArrayLength(context, types));
1579
1580         JSObjectRef names(CYCastJSObject(context, arguments[1]));
1581
1582         sig::Aggregate type(false);
1583         type.signature.elements = new(pool) sig::Element[count];
1584         type.signature.count = count;
1585
1586         for (size_t i(0); i != count; ++i) {
1587             sig::Element &element(type.signature.elements[i]);
1588             element.offset = _not(size_t);
1589
1590             JSValueRef name(CYArrayGet(context, names, i));
1591             if (JSValueIsUndefined(context, name))
1592                 element.name = NULL;
1593             else
1594                 element.name = CYPoolCString(pool, context, name);
1595
1596             JSObjectRef object(CYCastJSObject(context, CYArrayGet(context, types, i)));
1597             _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1598             Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1599             element.type = internal->type_;
1600             _assert(element.type != NULL);
1601         }
1602
1603         return CYMakeType(context, type);
1604     } else {
1605         throw CYJSError(context, "incorrect number of arguments to Type constructor");
1606     }
1607 } CYCatchObject() }
1608
1609 static JSValueRef Type_callAsFunction_$With(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], sig::Callable &type, JSValueRef *exception) { CYTry {
1610     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1611
1612     CYPool pool;
1613
1614     type.signature.elements = new(pool) sig::Element[1 + count];
1615     type.signature.count = 1 + count;
1616
1617     type.signature.elements[0].name = NULL;
1618     type.signature.elements[0].type = internal->type_;
1619     type.signature.elements[0].offset = _not(size_t);
1620
1621     for (size_t i(0); i != count; ++i) {
1622         sig::Element &element(type.signature.elements[i + 1]);
1623         element.name = NULL;
1624         element.offset = _not(size_t);
1625
1626         JSObjectRef object(CYCastJSObject(context, arguments[i]));
1627         _assert(JSValueIsObjectOfClass(context, object, CYPrivate<Type_privateData>::Class_));
1628         Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1629
1630         element.type = internal->type_;
1631     }
1632
1633     return CYMakeType(context, type);
1634 } CYCatch(NULL) }
1635
1636 static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1637     if (count != 1)
1638         throw CYJSError(context, "incorrect number of arguments to Type.arrayOf");
1639     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1640
1641     CYPool pool;
1642     size_t index(CYGetIndex(pool, context, CYJSString(context, arguments[0])));
1643     if (index == _not(size_t))
1644         throw CYJSError(context, "invalid array size used with Type.arrayOf");
1645
1646     sig::Array type(*internal->type_, index);
1647     return CYMakeType(context, type);
1648 } CYCatch(NULL) }
1649
1650 static JSValueRef Type_callAsFunction_blockWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1651 #ifdef CY_OBJECTIVEC
1652     sig::Block type;
1653     return Type_callAsFunction_$With(context, object, _this, count, arguments, type, exception);
1654 #else
1655     _assert(false);
1656 #endif
1657 }
1658
1659 static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1660     if (count != 0)
1661         throw CYJSError(context, "incorrect number of arguments to Type.constant");
1662     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1663
1664     CYPool pool;
1665     sig::Type *type(internal->type_->Copy(pool));
1666     type->flags |= JOC_TYPE_CONST;
1667     return CYMakeType(context, *type);
1668 } CYCatch(NULL) }
1669
1670 static JSValueRef Type_callAsFunction_enumFor(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1671     if (count != 1)
1672         throw CYJSError(context, "incorrect number of arguments to Type.enumFor");
1673     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1674
1675     CYPool pool;
1676
1677     JSObjectRef constants(CYCastJSObject(context, arguments[0]));
1678
1679     // XXX: this is, sadly, going to leak
1680     JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, constants));
1681
1682     size_t count(JSPropertyNameArrayGetCount(names));
1683
1684     sig::Enum type(*internal->type_, count);
1685     type.constants = new(pool) sig::Constant[count];
1686
1687     for (size_t index(0); index != count; ++index) {
1688         JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index));
1689         JSValueRef value(CYGetProperty(context, constants, name));
1690         _assert(JSValueGetType(context, value) == kJSTypeNumber);
1691         CYUTF8String string(CYPoolUTF8String(pool, context, name));
1692         type.constants[index].name = string.data;
1693         type.constants[index].value = CYCastDouble(context, value);
1694     }
1695
1696     JSPropertyNameArrayRelease(names);
1697
1698     return CYMakeType(context, type);
1699 } CYCatch(NULL) }
1700
1701 static JSValueRef Type_callAsFunction_functionWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) {
1702     bool variadic(count != 0 && JSValueIsNull(context, arguments[count - 1]));
1703     sig::Function type(variadic);
1704     return Type_callAsFunction_$With(context, object, _this, variadic ? count - 1 : count, arguments, type, exception);
1705 }
1706
1707 static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1708     if (count != 0)
1709         throw CYJSError(context, "incorrect number of arguments to Type.pointerTo");
1710     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1711
1712     if (dynamic_cast<sig::Primitive<char> *>(internal->type_) != NULL)
1713         return CYMakeType(context, sig::String((internal->type_->flags & JOC_TYPE_CONST) != 0));
1714     else
1715         return CYMakeType(context, sig::Pointer(*internal->type_));
1716 } CYCatch(NULL) }
1717
1718 static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1719     if (count != 1)
1720         throw CYJSError(context, "incorrect number of arguments to Type.withName");
1721     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1722
1723     CYPool pool;
1724     return CYMakeType(context, *internal->type_->Copy(pool, CYPoolCString(pool, context, arguments[0])));
1725 } CYCatch(NULL) }
1726
1727 static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1728     if (count != 1)
1729         throw CYJSError(context, "incorrect number of arguments to type cast function");
1730     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1731
1732     if (sig::Function *function = dynamic_cast<sig::Function *>(internal->type_))
1733         return CYMakeFunctor(context, arguments[0], function->variadic, function->signature);
1734
1735     CYBuffer buffer(context);
1736
1737     sig::Type *type(internal->type_);
1738     ffi_type *ffi(internal->GetFFI());
1739
1740     void *data;
1741     if (_this == NULL || CYIsStrictEqual(context, _this, CYGetGlobalObject(context)))
1742         data = buffer->malloc<void>(ffi->size, ffi->alignment);
1743     else {
1744         CYSetProperty(context, buffer, CYJSString("$cyo"), _this, kJSPropertyAttributeDontEnum);
1745         data = CYCastPointer<void *>(context, _this);
1746     }
1747
1748     type->PoolFFI(buffer, context, ffi, data, arguments[0]);
1749     JSValueRef value(type->FromFFI(context, ffi, data, false, buffer));
1750     return value;
1751 } CYCatch(NULL) }
1752
1753 static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1754     if (count > 1)
1755         throw CYJSError(context, "incorrect number of arguments to Type allocator");
1756     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1757
1758     JSObjectRef pointer(CYMakePointer(context, NULL, *internal->type_, NULL, NULL));
1759     Pointer *value(reinterpret_cast<Pointer *>(JSObjectGetPrivate(pointer)));
1760
1761     sig::Type *type(internal->type_);
1762     ffi_type *ffi(internal->GetFFI());
1763     value->value_ = value->pool_->malloc<void>(ffi->size, ffi->alignment);
1764
1765     if (count == 0)
1766         memset(value->value_, 0, ffi->size);
1767     else
1768         type->PoolFFI(value->pool_, context, ffi, value->value_, arguments[0]);
1769
1770     return pointer;
1771 } CYCatchObject() }
1772
1773 // XXX: I don't even think the user should be allowed to do this
1774 static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1775     if (count != 2)
1776         throw CYJSError(context, "incorrect number of arguments to Functor constructor");
1777     CYPool pool;
1778     const char *encoding(CYPoolCString(pool, context, arguments[1]));
1779     sig::Signature signature;
1780     sig::Parse(pool, &signature, encoding, &Structor_);
1781     // XXX: this can try to return null, and I guess then it just fails
1782     return CYCastJSObject(context, CYMakeFunctor(context, arguments[0], false, signature));
1783 } CYCatchObject() }
1784
1785 static JSValueRef CArray_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1786     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1787     JSObjectRef owner(internal->owner_ ?: object);
1788     return CYMakePointer(context, internal->value_, *internal->type_->type_, NULL, owner);
1789 } CYCatch(NULL) }
1790
1791 static JSValueRef CString_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1792     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1793     JSObjectRef owner(internal->owner_ ?: object);
1794     return CYMakePointer(context, internal->value_, sig::Primitive<char>(), NULL, owner);
1795 } CYCatch(NULL) }
1796
1797 static JSValueRef Functor_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1798     CYPool pool;
1799     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1800
1801     sig::Function type(internal->variadic_);
1802     sig::Copy(pool, type.signature, internal->signature_);
1803
1804     return CYMakePointer(context, reinterpret_cast<void *>(internal->value_), type, NULL, NULL);
1805 } CYCatch(NULL) }
1806
1807 static JSValueRef Pointer_callAsFunction_toPointer(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1808     return _this;
1809 } CYCatch(NULL) }
1810
1811 static JSValueRef CArray_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1812     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(_this)));
1813     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1814 } CYCatch(NULL) }
1815
1816 static JSValueRef Pointer_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1817     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1818     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1819 } CYCatch(NULL) }
1820
1821 static JSValueRef Functor_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1822     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1823     return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_));
1824 } CYCatch(NULL) }
1825
1826 static JSValueRef Functor_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1827     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(_this)));
1828     uint8_t *value(reinterpret_cast<uint8_t *>(internal->value_));
1829     _assert(value != NULL);
1830
1831     CYLocalPool pool;
1832
1833     sig::Function function(internal->variadic_);
1834     sig::Copy(pool, function.signature, internal->signature_);
1835
1836     CYPropertyName *name(internal->GetName(pool));
1837     auto typed(CYDecodeType(pool, &function));
1838
1839     std::ostringstream str;
1840     CYOptions options;
1841     CYOutput output(*str.rdbuf(), options);
1842     output.pretty_ = true;
1843     (new(pool) CYExternalExpression(new(pool) CYString("C"), typed, name))->Output(output, CYNoFlags);
1844     return CYCastJSValue(context, CYJSString(str.str()));
1845 } CYCatch(NULL) }
1846
1847 CYPropertyName *cy::Functor::GetName(CYPool &pool) const {
1848     Dl_info info;
1849     if (dladdr(reinterpret_cast<void *>(value_), &info) == 0 || strcmp(info.dli_sname, "<redacted>") == 0)
1850         return new(pool) CYNumber(reinterpret_cast<uintptr_t>(value_));
1851
1852     std::ostringstream str;
1853     str << info.dli_sname;
1854     off_t offset(reinterpret_cast<uint8_t *>(value_) - reinterpret_cast<uint8_t *>(info.dli_saddr));
1855     if (offset != 0)
1856         str << "+0x" << std::hex << offset;
1857     return new(pool) CYString(pool.strdup(str.str().c_str()));
1858 }
1859
1860 static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1861     std::set<void *> *objects(CYCastObjects(context, _this, count, arguments));
1862
1863     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this)));
1864
1865     try {
1866         JSValueRef value(CYGetProperty(context, _this, cyi_s));
1867         if (!JSValueIsUndefined(context, value)) {
1868             CYPool pool;
1869             return CYCastJSValue(context, pool.strcat("&", CYPoolCCYON(pool, context, value, objects), NULL));
1870         }
1871     } catch (const CYException &e) {
1872         // XXX: it might be interesting to include this error
1873     }
1874
1875     CYLocalPool pool;
1876     std::ostringstream str;
1877
1878     sig::Pointer type(*internal->type_->type_);
1879
1880     CYOptions options;
1881     CYOutput output(*str.rdbuf(), options);
1882     (new(pool) CYTypeExpression(CYDecodeType(pool, &type)))->Output(output, CYNoFlags);
1883
1884     str << "(" << internal->value_ << ")";
1885     std::string value(str.str());
1886     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1887 } CYCatch(NULL) }
1888
1889 static JSValueRef CString_getProperty_length(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1890     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(object)));
1891     return CYCastJSValue(context, strlen(internal->value_));
1892 } CYCatch(NULL) }
1893
1894 static JSValueRef CString_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1895     return CYMakeType(context, sig::String(true));
1896 } CYCatch(NULL) }
1897
1898 static JSValueRef CArray_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1899     CArray *internal(reinterpret_cast<CArray *>(JSObjectGetPrivate(object)));
1900     sig::Array type(*internal->type_->type_, internal->length_);
1901     return CYMakeType(context, type);
1902 } CYCatch(NULL) }
1903
1904 static JSValueRef Pointer_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1905     Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object)));
1906     sig::Pointer type(*internal->type_->type_);
1907     return CYMakeType(context, type);
1908 } CYCatch(NULL) }
1909
1910 static JSValueRef CString_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1911     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1912     const char *string(internal->value_);
1913     std::ostringstream str;
1914     if (string == NULL)
1915         str << "NULL";
1916     else {
1917         str << "&";
1918         CYStringify(str, string, strlen(string), CYStringifyModeNative);
1919     }
1920     std::string value(str.str());
1921     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
1922 } CYCatch(NULL) }
1923
1924 static JSValueRef CString_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1925     CString *internal(reinterpret_cast<CString *>(JSObjectGetPrivate(_this)));
1926     return CYCastJSValue(context, internal->value_);
1927 } CYCatch(NULL) }
1928
1929 static JSValueRef Functor_getProperty_$cyt(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1930     cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object)));
1931     CYPool pool;
1932     sig::Function type(internal->variadic_);
1933     sig::Copy(pool, type.signature, internal->signature_);
1934     return CYMakeType(context, type);
1935 } CYCatch(NULL) }
1936
1937 static JSValueRef Type_getProperty_alignment(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1938     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1939     return CYCastJSValue(context, internal->GetFFI()->alignment);
1940 } CYCatch(NULL) }
1941
1942 static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1943     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1944     return CYCastJSValue(context, internal->type_->GetName());
1945 } CYCatch(NULL) }
1946
1947 static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry {
1948     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object)));
1949     return CYCastJSValue(context, internal->GetFFI()->size);
1950 } CYCatch(NULL) }
1951
1952 static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1953     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1954     CYPool pool;
1955     const char *type(sig::Unparse(pool, internal->type_));
1956     return CYCastJSValue(context, CYJSString(type));
1957 } CYCatch(NULL) }
1958
1959 static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
1960     Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this)));
1961     CYLocalPool pool;
1962     std::stringbuf out;
1963     CYOptions options;
1964     CYOutput output(out, options);
1965     output.pretty_ = true;
1966     (new(pool) CYTypeExpression(CYDecodeType(pool, internal->type_->Copy(pool, ""))))->Output(output, CYNoFlags);
1967     return CYCastJSValue(context, CYJSString(out.str().c_str()));
1968 } CYCatch(NULL) }
1969
1970 static JSStaticFunction All_staticFunctions[2] = {
1971     {"cy$complete", &All_complete_callAsFunction, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1972     {NULL, NULL, 0}
1973 };
1974
1975 static JSStaticFunction CArray_staticFunctions[3] = {
1976     {"toPointer", &CArray_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1977     {"valueOf", &CArray_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1978     {NULL, NULL, 0}
1979 };
1980
1981 static JSStaticValue CArray_staticValues[2] = {
1982     {"$cyt", &CArray_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1983     {NULL, NULL, NULL, 0}
1984 };
1985
1986 static JSStaticFunction CString_staticFunctions[5] = {
1987     {"toCYON", &CString_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1988     {"toPointer", &CString_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1989     {"toString", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1990     {"valueOf", &CString_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1991     {NULL, NULL, 0}
1992 };
1993
1994 static JSStaticValue CString_staticValues[3] = {
1995     {"length", &CString_getProperty_length, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1996     {"$cyt", &CString_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
1997     {NULL, NULL, NULL, 0}
1998 };
1999
2000 static JSStaticFunction Pointer_staticFunctions[4] = {
2001     {"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2002     {"toPointer", &Pointer_callAsFunction_toPointer, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2003     {"valueOf", &Pointer_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2004     {NULL, NULL, 0}
2005 };
2006
2007 static JSStaticValue Pointer_staticValues[2] = {
2008     {"$cyt", &Pointer_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2009     {NULL, NULL, NULL, 0}
2010 };
2011
2012 static JSStaticFunction Struct_staticFunctions[2] = {
2013     {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2014     {NULL, NULL, 0}
2015 };
2016
2017 static JSStaticValue Struct_staticValues[2] = {
2018     {"$cyt", &Struct_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2019     {NULL, NULL, NULL, 0}
2020 };
2021
2022 static JSStaticFunction Functor_staticFunctions[5] = {
2023     {"$cya", &Functor_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2024     {"toCYON", &Functor_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2025     {"toPointer", &Functor_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2026     {"valueOf", &Functor_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2027     {NULL, NULL, 0}
2028 };
2029
2030 static JSStaticValue Functor_staticValues[2] = {
2031     {"$cyt", &Functor_getProperty_$cyt, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2032     {NULL, NULL, NULL, 0}
2033 };
2034
2035 static JSStaticValue Type_staticValues[4] = {
2036     {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2037     {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2038     {"size", &Type_getProperty_size, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2039     {NULL, NULL, NULL, 0}
2040 };
2041
2042 static JSStaticFunction Type_staticFunctions[10] = {
2043     {"arrayOf", &Type_callAsFunction_arrayOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2044     {"blockWith", &Type_callAsFunction_blockWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2045     {"constant", &Type_callAsFunction_constant, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2046     {"enumFor", &Type_callAsFunction_enumFor, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2047     {"functionWith", &Type_callAsFunction_functionWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2048     {"pointerTo", &Type_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2049     {"withName", &Type_callAsFunction_withName, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2050     {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2051     {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
2052     {NULL, NULL, 0}
2053 };
2054
2055 _visible void CYSetArgs(const char *argv0, const char *script, int argc, const char *argv[]) {
2056     JSContextRef context(CYGetJSContext());
2057     JSValueRef args[argc + 2];
2058     for (int i(0); i != argc; ++i)
2059         args[i + 2] = CYCastJSValue(context, argv[i]);
2060
2061     size_t offset;
2062     if (script == NULL)
2063         offset = 1;
2064     else {
2065         offset = 0;
2066         args[1] = CYCastJSValue(context, CYJSString(script));
2067     }
2068
2069     args[offset] = CYCastJSValue(context, CYJSString(argv0));
2070
2071     CYSetProperty(context, CYGetCachedObject(context, CYJSString("System")), CYJSString("args"), CYObjectMakeArray(context, argc, args + 2));
2072     CYSetProperty(context, CYGetCachedObject(context, CYJSString("process")), CYJSString("argv"), CYObjectMakeArray(context, argc + 2 - offset, args + offset));
2073 }
2074
2075 JSObjectRef CYGetGlobalObject(JSContextRef context) {
2076     return JSContextGetGlobalObject(context);
2077 }
2078
2079 // XXX: this is neither exceptin safe nor even terribly sane
2080 class ExecutionHandle {
2081   private:
2082     JSContextRef context_;
2083     std::vector<void *> handles_;
2084
2085   public:
2086     ExecutionHandle(JSContextRef context) :
2087         context_(context)
2088     {
2089         handles_.resize(GetHooks().size());
2090         for (size_t i(0); i != GetHooks().size(); ++i) {
2091             CYHook *hook(GetHooks()[i]);
2092             if (hook->ExecuteStart != NULL)
2093                 handles_[i] = (*hook->ExecuteStart)(context_);
2094             else
2095                 handles_[i] = NULL;
2096         }
2097     }
2098
2099     ~ExecutionHandle() {
2100         for (size_t i(GetHooks().size()); i != 0; --i) {
2101             CYHook *hook(GetHooks()[i-1]);
2102             if (hook->ExecuteEnd != NULL)
2103                 (*hook->ExecuteEnd)(context_, handles_[i-1]);
2104         }
2105     }
2106 };
2107
2108 #ifndef __ANDROID__
2109 static volatile bool cancel_;
2110
2111 static bool CYShouldTerminate(JSContextRef context, void *arg) {
2112     return cancel_;
2113 }
2114 #endif
2115
2116 _visible const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) {
2117     ExecutionHandle handle(context);
2118
2119 #ifndef __ANDROID__
2120     cancel_ = false;
2121     if (&JSContextGroupSetExecutionTimeLimit != NULL)
2122         JSContextGroupSetExecutionTimeLimit(JSContextGetGroup(context), 0.5, &CYShouldTerminate, NULL);
2123 #endif
2124
2125     try {
2126         JSValueRef result(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2127         if (JSValueIsUndefined(context, result))
2128             return NULL;
2129
2130         std::set<void *> objects;
2131         const char *json(_jsccall(CYPoolCCYON, pool, context, result, objects));
2132         CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
2133
2134         return json;
2135     } catch (const CYException &error) {
2136         return pool.strcat("throw ", error.PoolCString(pool), NULL);
2137     }
2138 }
2139
2140 #ifndef __ANDROID__
2141 _visible void CYCancel() {
2142     cancel_ = true;
2143 }
2144 #endif
2145
2146 const char *CYPoolLibraryPath(CYPool &pool);
2147
2148 static bool initialized_ = false;
2149
2150 void CYInitializeDynamic() {
2151     if (!initialized_)
2152         initialized_ = true;
2153     else return;
2154
2155     CYPool pool;
2156     const char *db(pool.strcat(CYPoolLibraryPath(pool), "/libcycript.db", NULL));
2157     _sqlcall(sqlite3_open_v2(db, &database_, SQLITE_OPEN_READONLY, NULL));
2158
2159     JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray"));
2160     JSSynchronousGarbageCollectForDebugging$ = reinterpret_cast<void (*)(JSContextRef)>(dlsym(RTLD_DEFAULT, "JSSynchronousGarbageCollectForDebugging"));
2161
2162     JSClassDefinition definition;
2163
2164     definition = kJSClassDefinitionEmpty;
2165     definition.attributes = kJSClassAttributeNoAutomaticPrototype;
2166     definition.className = "All";
2167     definition.staticFunctions = All_staticFunctions;
2168     definition.hasProperty = &All_hasProperty;
2169     definition.getProperty = &All_getProperty;
2170     definition.getPropertyNames = &All_getPropertyNames;
2171     All_ = JSClassCreate(&definition);
2172
2173     definition = kJSClassDefinitionEmpty;
2174     definition.attributes = kJSClassAttributeNoAutomaticPrototype;
2175     definition.className = "Context";
2176     definition.finalize = &CYFinalize;
2177     CYPrivate<Context>::Class_ = JSClassCreate(&definition);
2178
2179     definition = kJSClassDefinitionEmpty;
2180     definition.className = "CArray";
2181     definition.staticFunctions = CArray_staticFunctions;
2182     definition.staticValues = CArray_staticValues;
2183     definition.getProperty = &CArray_getProperty;
2184     definition.setProperty = &CArray_setProperty;
2185     definition.finalize = &CYFinalize;
2186     CYPrivate<CArray>::Class_ = JSClassCreate(&definition);
2187
2188     definition = kJSClassDefinitionEmpty;
2189     definition.className = "CString";
2190     definition.staticFunctions = CString_staticFunctions;
2191     definition.staticValues = CString_staticValues;
2192     definition.getProperty = &CString_getProperty;
2193     definition.setProperty = &CString_setProperty;
2194     definition.finalize = &CYFinalize;
2195     CYPrivate<CString>::Class_ = JSClassCreate(&definition);
2196
2197     definition = kJSClassDefinitionEmpty;
2198     definition.className = "Functor";
2199     definition.staticFunctions = Functor_staticFunctions;
2200     definition.staticValues = Functor_staticValues;
2201     definition.callAsFunction = &Functor_callAsFunction;
2202     definition.finalize = &CYFinalize;
2203     cy::Functor::Class_ = JSClassCreate(&definition);
2204
2205     definition = kJSClassDefinitionEmpty;
2206     definition.className = "Pointer";
2207     definition.staticFunctions = Pointer_staticFunctions;
2208     definition.staticValues = Pointer_staticValues;
2209     definition.callAsFunction = &Pointer_callAsFunction;
2210     definition.getProperty = &Pointer_getProperty;
2211     definition.setProperty = &Pointer_setProperty;
2212     definition.finalize = &CYFinalize;
2213     CYPrivate<Pointer>::Class_ = JSClassCreate(&definition);
2214
2215     definition = kJSClassDefinitionEmpty;
2216     definition.className = "Root";
2217     definition.finalize = &CYFinalize;
2218     CYPrivate<CYRoot>::Class_ = JSClassCreate(&definition);
2219
2220     definition = kJSClassDefinitionEmpty;
2221     definition.className = "Struct";
2222     definition.staticFunctions = Struct_staticFunctions;
2223     definition.staticValues = Struct_staticValues;
2224     definition.getProperty = &Struct_getProperty;
2225     definition.setProperty = &Struct_setProperty;
2226     definition.getPropertyNames = &Struct_getPropertyNames;
2227     definition.finalize = &CYFinalize;
2228     CYPrivate<Struct_privateData>::Class_ = JSClassCreate(&definition);
2229
2230     definition = kJSClassDefinitionEmpty;
2231     definition.className = "Type";
2232     definition.staticValues = Type_staticValues;
2233     definition.staticFunctions = Type_staticFunctions;
2234     definition.callAsFunction = &Type_callAsFunction;
2235     definition.callAsConstructor = &Type_callAsConstructor;
2236     definition.finalize = &CYFinalize;
2237     CYPrivate<Type_privateData>::Class_ = JSClassCreate(&definition);
2238
2239     definition = kJSClassDefinitionEmpty;
2240     definition.className = "Global";
2241     //definition.getProperty = &Global_getProperty;
2242     Global_ = JSClassCreate(&definition);
2243
2244     Array_s = JSStringCreateWithUTF8CString("Array");
2245     constructor_s = JSStringCreateWithUTF8CString("constructor");
2246     cy_s = JSStringCreateWithUTF8CString("$cy");
2247     cyi_s = JSStringCreateWithUTF8CString("$cyi");
2248     cyt_s = JSStringCreateWithUTF8CString("$cyt");
2249     cyt__s = JSStringCreateWithUTF8CString("$cyt_");
2250     length_s = JSStringCreateWithUTF8CString("length");
2251     message_s = JSStringCreateWithUTF8CString("message");
2252     name_s = JSStringCreateWithUTF8CString("name");
2253     pop_s = JSStringCreateWithUTF8CString("pop");
2254     prototype_s = JSStringCreateWithUTF8CString("prototype");
2255     push_s = JSStringCreateWithUTF8CString("push");
2256     splice_s = JSStringCreateWithUTF8CString("splice");
2257     toCYON_s = JSStringCreateWithUTF8CString("toCYON");
2258     toJSON_s = JSStringCreateWithUTF8CString("toJSON");
2259     toPointer_s = JSStringCreateWithUTF8CString("toPointer");
2260     toString_s = JSStringCreateWithUTF8CString("toString");
2261     weak_s = JSStringCreateWithUTF8CString("weak");
2262
2263     Result_ = JSStringCreateWithUTF8CString("_");
2264
2265     for (CYHook *hook : GetHooks())
2266         if (hook->Initialize != NULL)
2267             (*hook->Initialize)();
2268 }
2269
2270 void CYThrow(JSContextRef context, JSValueRef value) {
2271     if (value != NULL)
2272         throw CYJSError(context, value);
2273 }
2274
2275 const char *CYJSError::PoolCString(CYPool &pool) const {
2276     std::set<void *> objects;
2277     // XXX: this used to be CYPoolCString
2278     return CYPoolCCYON(pool, context_, value_, objects);
2279 }
2280
2281 JSValueRef CYJSError::CastJSValue(JSContextRef context, const char *name) const {
2282     // XXX: what if the context is different? or the name? I dunno. ("epic" :/)
2283     return value_;
2284 }
2285
2286 JSValueRef CYCastJSError(JSContextRef context, const char *name, const char *message) {
2287     JSObjectRef Error(CYGetCachedObject(context, CYJSString(name)));
2288     JSValueRef arguments[1] = {CYCastJSValue(context, message)};
2289     return _jsccall(JSObjectCallAsConstructor, context, Error, 1, arguments);
2290 }
2291
2292 JSValueRef CYPoolError::CastJSValue(JSContextRef context, const char *name) const {
2293     return CYCastJSError(context, name, message_);
2294 }
2295
2296 CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
2297     _assert(context != NULL);
2298
2299     CYPool pool;
2300
2301     va_list args;
2302     va_start(args, format);
2303     // XXX: there might be a beter way to think about this
2304     const char *message(pool.vsprintf(64, format, args));
2305     va_end(args);
2306
2307     value_ = CYCastJSError(context, "Error", message);
2308 }
2309
2310 JSGlobalContextRef CYGetJSContext(JSContextRef context) {
2311     return reinterpret_cast<Context *>(JSObjectGetPrivate(CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s))))->context_;
2312 }
2313
2314 #ifdef __ANDROID__
2315 char *CYPoolLibraryPath_(CYPool &pool) {
2316     FILE *maps(fopen("/proc/self/maps", "r"));
2317     struct F { FILE *f; F(FILE *f) : f(f) {}
2318         ~F() { fclose(f); } } f(maps);
2319
2320     size_t function(reinterpret_cast<size_t>(&CYPoolLibraryPath));
2321
2322     for (;;) {
2323         size_t start; size_t end; char flags[8]; unsigned long long offset;
2324         int major; int minor; unsigned long long inode; char file[1024];
2325         int count(fscanf(maps, "%zx-%zx %7s %llx %x:%x %llu%[ ]%1024[^\n]\n",
2326             &start, &end, flags, &offset, &major, &minor, &inode, file, file));
2327         if (count < 8) break; else if (start <= function && function < end)
2328             return pool.strdup(file);
2329     }
2330
2331     _assert(false);
2332 }
2333 #else
2334 char *CYPoolLibraryPath_(CYPool &pool) {
2335     Dl_info addr;
2336     _assert(dladdr(reinterpret_cast<void *>(&CYPoolLibraryPath), &addr) != 0);
2337     return pool.strdup(addr.dli_fname);
2338 }
2339 #endif
2340
2341 const char *CYPoolLibraryPath(CYPool &pool) {
2342     char *lib(CYPoolLibraryPath_(pool));
2343
2344     char *slash(strrchr(lib, '/'));
2345     if (slash == NULL)
2346         return ".";
2347     *slash = '\0';
2348
2349     slash = strrchr(lib, '/');
2350     if (slash != NULL) {
2351         if (strcmp(slash, "/.libs") == 0)
2352             *slash = '\0';
2353     } else if (strcmp(lib, ".libs") == 0)
2354         return ".";
2355
2356     return lib;
2357 }
2358
2359 static JSValueRef require_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
2360     _assert(count == 1);
2361     CYPool pool;
2362
2363     CYUTF8String name(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
2364     if (memchr(name.data, '/', name.size) == NULL && (
2365 #ifdef __APPLE__
2366         dlopen(pool.strcat("/System/Library/Frameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2367         dlopen(pool.strcat("/System/Library/PrivateFrameworks/", name.data, ".framework/", name.data, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL ||
2368 #endif
2369     false))
2370         return CYJSUndefined(context);
2371
2372     CYJSString path;
2373     CYUTF8String code;
2374
2375     sqlite3_stmt *statement;
2376
2377     _sqlcall(sqlite3_prepare(database_,
2378         "select "
2379             "\"module\".\"code\", "
2380             "\"module\".\"flags\" "
2381         "from \"module\" "
2382         "where"
2383             " \"module\".\"name\" = ?"
2384         " limit 1"
2385     , -1, &statement, NULL));
2386
2387     _sqlcall(sqlite3_bind_text(statement, 1, name.data, name.size, SQLITE_STATIC));
2388
2389     if (_sqlcall(sqlite3_step(statement)) != SQLITE_DONE) {
2390         code.data = static_cast<const char *>(sqlite3_column_blob(statement, 0));
2391         code.size = sqlite3_column_bytes(statement, 0);
2392         path = CYJSString(name);
2393         code = CYPoolUTF8String(pool, code);
2394     } else {
2395         JSObjectRef resolve(CYCastJSObject(context, CYGetProperty(context, object, CYJSString("resolve"))));
2396         path = CYJSString(context, CYCallAsFunction(context, resolve, NULL, 1, arguments));
2397     }
2398
2399     _sqlcall(sqlite3_finalize(statement));
2400
2401     CYJSString property("exports");
2402
2403     JSObjectRef modules(CYGetCachedObject(context, CYJSString("modules")));
2404     JSValueRef cache(CYGetProperty(context, modules, path));
2405
2406     JSValueRef result;
2407     if (!JSValueIsUndefined(context, cache)) {
2408         JSObjectRef module(CYCastJSObject(context, cache));
2409         result = CYGetProperty(context, module, property);
2410     } else {
2411         if (code.data == NULL) {
2412             code = CYPoolFileUTF8String(pool, CYPoolCString(pool, context, path));
2413             _assert(code.data != NULL);
2414         }
2415
2416         size_t length(name.size);
2417         if (length >= 5 && strncmp(name.data + length - 5, ".json", 5) == 0) {
2418             JSObjectRef JSON(CYGetCachedObject(context, CYJSString("JSON")));
2419             JSObjectRef parse(CYCastJSObject(context, CYGetProperty(context, JSON, CYJSString("parse"))));
2420             JSValueRef arguments[1] = { CYCastJSValue(context, CYJSString(code)) };
2421             result = CYCallAsFunction(context, parse, JSON, 1, arguments);
2422         } else {
2423             JSObjectRef module(JSObjectMake(context, NULL, NULL));
2424             CYSetProperty(context, modules, path, module);
2425
2426             JSObjectRef exports(JSObjectMake(context, NULL, NULL));
2427             CYSetProperty(context, module, property, exports);
2428
2429             std::stringstream wrap;
2430             wrap << "(function (exports, require, module, __filename) { " << code << "\n});";
2431             code = CYPoolCode(pool, *wrap.rdbuf());
2432
2433             JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
2434             JSObjectRef function(CYCastJSObject(context, value));
2435
2436             JSValueRef arguments[4] = { exports, object, module, CYCastJSValue(context, path) };
2437             CYCallAsFunction(context, function, NULL, 4, arguments);
2438             result = CYGetProperty(context, module, property);
2439         }
2440     }
2441
2442     return result;
2443 } CYCatch(NULL) }
2444
2445 static bool CYRunScript(JSGlobalContextRef context, const char *path) {
2446     CYPool pool;
2447     CYUTF8String code(CYPoolFileUTF8String(pool, pool.strcat(CYPoolLibraryPath(pool), path, NULL)));
2448     if (code.data == NULL)
2449         return false;
2450
2451     code = CYPoolCode(pool, code);
2452     _jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0);
2453     return true;
2454 }
2455
2456 extern "C" void CYDestroyWeak(JSWeakObjectMapRef weak, void *data) {
2457 }
2458
2459 extern "C" void CYSetupContext(JSGlobalContextRef context) {
2460     CYInitializeDynamic();
2461
2462     JSObjectRef global(CYGetGlobalObject(context));
2463
2464     JSObjectRef cy(CYPrivate<Context>::Make(context, context));
2465     CYSetProperty(context, global, cy_s, cy, kJSPropertyAttributeDontEnum);
2466
2467 /* Cache Globals {{{ */
2468     JSObjectRef Array(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array"))));
2469     CYSetProperty(context, cy, CYJSString("Array"), Array);
2470
2471     JSObjectRef Array_prototype(CYCastJSObject(context, CYGetProperty(context, Array, prototype_s)));
2472     CYSetProperty(context, cy, CYJSString("Array_prototype"), Array_prototype);
2473
2474     JSObjectRef Boolean(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Boolean"))));
2475     CYSetProperty(context, cy, CYJSString("Boolean"), Boolean);
2476
2477     JSObjectRef Boolean_prototype(CYCastJSObject(context, CYGetProperty(context, Boolean, prototype_s)));
2478     CYSetProperty(context, cy, CYJSString("Boolean_prototype"), Boolean_prototype);
2479
2480     JSObjectRef Error(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error"))));
2481     CYSetProperty(context, cy, CYJSString("Error"), Error);
2482
2483     JSObjectRef Function(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function"))));
2484     CYSetProperty(context, cy, CYJSString("Function"), Function);
2485
2486     JSObjectRef Function_prototype(CYCastJSObject(context, CYGetProperty(context, Function, prototype_s)));
2487     CYSetProperty(context, cy, CYJSString("Function_prototype"), Function_prototype);
2488
2489     JSObjectRef JSON(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("JSON"))));
2490     CYSetProperty(context, cy, CYJSString("JSON"), JSON);
2491
2492     JSObjectRef Number(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Number"))));
2493     CYSetProperty(context, cy, CYJSString("Number"), Number);
2494
2495     JSObjectRef Number_prototype(CYCastJSObject(context, CYGetProperty(context, Number, prototype_s)));
2496     CYSetProperty(context, cy, CYJSString("Number_prototype"), Number_prototype);
2497
2498     JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object"))));
2499     CYSetProperty(context, cy, CYJSString("Object"), Object);
2500
2501     JSObjectRef Object_prototype(CYCastJSObject(context, CYGetProperty(context, Object, prototype_s)));
2502     CYSetProperty(context, cy, CYJSString("Object_prototype"), Object_prototype);
2503
2504     JSObjectRef String(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String"))));
2505     CYSetProperty(context, cy, CYJSString("String"), String);
2506
2507     JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s)));
2508     CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype);
2509
2510     JSObjectRef SyntaxError(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("SyntaxError"))));
2511     CYSetProperty(context, cy, CYJSString("SyntaxError"), SyntaxError);
2512 /* }}} */
2513
2514     CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2515     CYSetProperty(context, String_prototype, toCYON_s, &String_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
2516
2517     JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
2518     CYSetProperty(context, global, CYJSString("Cycript"), cycript);
2519     CYSetProperty(context, cycript, CYJSString("compile"), &Cycript_compile_callAsFunction);
2520     CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction);
2521
2522     JSObjectRef CArray(JSObjectMakeConstructor(context, CYPrivate<::CArray>::Class_, &CArray_new));
2523     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CArray, prototype_s)), Array_prototype);
2524     CYSetProperty(context, cycript, CYJSString("CArray"), CArray);
2525
2526     JSObjectRef CString(JSObjectMakeConstructor(context, CYPrivate<::CString>::Class_, &CString_new));
2527     CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, CString, prototype_s)), String_prototype);
2528     CYSetProperty(context, cycript, CYJSString("CString"), CString);
2529
2530     JSObjectRef Functor(JSObjectMakeConstructor(context, cy::Functor::Class_, &Functor_new));
2531     JSObjectRef Functor_prototype(CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)));
2532     CYSetPrototype(context, Functor_prototype, Function_prototype);
2533     CYSetProperty(context, cy, CYJSString("Functor_prototype"), Functor_prototype);
2534     CYSetProperty(context, cycript, CYJSString("Functor"), Functor);
2535
2536     CYSetProperty(context, cycript, CYJSString("Pointer"), JSObjectMakeConstructor(context, CYPrivate<Pointer>::Class_, &Pointer_new));
2537
2538     JSObjectRef Type(JSObjectMakeConstructor(context, CYPrivate<Type_privateData>::Class_, &Type_new));
2539     JSObjectRef Type_prototype(CYCastJSObject(context, CYGetProperty(context, Type, prototype_s)));
2540     CYSetPrototype(context, Type_prototype, Function_prototype);
2541     CYSetProperty(context, cy, CYJSString("Type_prototype"), Type_prototype);
2542     CYSetProperty(context, cycript, CYJSString("Type"), Type);
2543
2544     JSObjectRef Character_prototype(JSObjectMake(context, NULL, NULL));
2545     CYSetPrototype(context, Character_prototype, String_prototype);
2546     CYSetProperty(context, cy, CYJSString("Character_prototype"), Character_prototype);
2547     CYSetProperty(context, Character_prototype, CYJSString("valueOf"), _jsccall(JSEvaluateScript, context, CYJSString("(function(){return this.charCodeAt(0);})"), NULL, NULL, 0));
2548
2549     JSObjectRef modules(JSObjectMake(context, NULL, NULL));
2550     CYSetProperty(context, cy, CYJSString("modules"), modules);
2551
2552     JSObjectRef all(JSObjectMake(context, All_, NULL));
2553     CYSetProperty(context, cycript, CYJSString("all"), all);
2554
2555     JSObjectRef cache(JSObjectMake(context, NULL, NULL));
2556     CYSetProperty(context, cy, CYJSString("cache"), cache);
2557     CYSetPrototype(context, cache, all);
2558
2559     JSObjectRef alls(_jsccall(JSObjectCallAsConstructor, context, Array, 0, NULL));
2560     CYSetProperty(context, cycript, CYJSString("alls"), alls);
2561
2562     if (true) {
2563         JSObjectRef last(NULL), curr(global);
2564
2565         goto next; for (JSValueRef next;;) {
2566             if (JSValueIsNull(context, next))
2567                 break;
2568             last = curr;
2569             curr = CYCastJSObject(context, next);
2570           next:
2571             next = JSObjectGetPrototype(context, curr);
2572         }
2573
2574         CYSetPrototype(context, last, cache);
2575     }
2576
2577 #ifdef __APPLE__
2578     if (&JSWeakObjectMapCreate != NULL) {
2579         JSWeakObjectMapRef weak(JSWeakObjectMapCreate(context, NULL, &CYDestroyWeak));
2580         CYSetProperty(context, cy, weak_s, CYCastJSValue(context, reinterpret_cast<uintptr_t>(weak)));
2581     }
2582 #endif
2583
2584     CYSetProperty(context, String_prototype, cyt_s, CYMakeType(context, sig::String(true)), kJSPropertyAttributeDontEnum);
2585
2586     CYSetProperty(context, cache, CYJSString("dlerror"), CYMakeFunctor(context, "dlerror", "*"), kJSPropertyAttributeDontEnum);
2587     CYSetProperty(context, cache, CYJSString("RTLD_DEFAULT"), CYCastJSValue(context, reinterpret_cast<intptr_t>(RTLD_DEFAULT)), kJSPropertyAttributeDontEnum);
2588     CYSetProperty(context, cache, CYJSString("dlsym"), CYMakeFunctor(context, "dlsym", "^v^v*"), kJSPropertyAttributeDontEnum);
2589
2590     CYSetProperty(context, cache, CYJSString("NULL"), CYJSNull(context), kJSPropertyAttributeDontEnum);
2591
2592     CYSetProperty(context, cache, CYJSString("bool"), CYMakeType(context, sig::Primitive<bool>()), kJSPropertyAttributeDontEnum);
2593     CYSetProperty(context, cache, CYJSString("char"), CYMakeType(context, sig::Primitive<char>()), kJSPropertyAttributeDontEnum);
2594     CYSetProperty(context, cache, CYJSString("schar"), CYMakeType(context, sig::Primitive<signed char>()), kJSPropertyAttributeDontEnum);
2595     CYSetProperty(context, cache, CYJSString("uchar"), CYMakeType(context, sig::Primitive<unsigned char>()), kJSPropertyAttributeDontEnum);
2596
2597     CYSetProperty(context, cache, CYJSString("short"), CYMakeType(context, sig::Primitive<short>()), kJSPropertyAttributeDontEnum);
2598     CYSetProperty(context, cache, CYJSString("int"), CYMakeType(context, sig::Primitive<int>()), kJSPropertyAttributeDontEnum);
2599     CYSetProperty(context, cache, CYJSString("long"), CYMakeType(context, sig::Primitive<long>()), kJSPropertyAttributeDontEnum);
2600     CYSetProperty(context, cache, CYJSString("longlong"), CYMakeType(context, sig::Primitive<long long>()), kJSPropertyAttributeDontEnum);
2601
2602     CYSetProperty(context, cache, CYJSString("ushort"), CYMakeType(context, sig::Primitive<unsigned short>()), kJSPropertyAttributeDontEnum);
2603     CYSetProperty(context, cache, CYJSString("uint"), CYMakeType(context, sig::Primitive<unsigned int>()), kJSPropertyAttributeDontEnum);
2604     CYSetProperty(context, cache, CYJSString("ulong"), CYMakeType(context, sig::Primitive<unsigned long>()), kJSPropertyAttributeDontEnum);
2605     CYSetProperty(context, cache, CYJSString("ulonglong"), CYMakeType(context, sig::Primitive<unsigned long long>()), kJSPropertyAttributeDontEnum);
2606
2607 #ifdef __SIZEOF_INT128__
2608     CYSetProperty(context, cache, CYJSString("int128"), CYMakeType(context, sig::Primitive<__int128>()), kJSPropertyAttributeDontEnum);
2609     CYSetProperty(context, cache, CYJSString("uint128"), CYMakeType(context, sig::Primitive<unsigned __int128>()), kJSPropertyAttributeDontEnum);
2610 #endif
2611
2612     CYSetProperty(context, cache, CYJSString("float"), CYMakeType(context, sig::Primitive<float>()), kJSPropertyAttributeDontEnum);
2613     CYSetProperty(context, cache, CYJSString("double"), CYMakeType(context, sig::Primitive<double>()), kJSPropertyAttributeDontEnum);
2614     CYSetProperty(context, cache, CYJSString("longdouble"), CYMakeType(context, sig::Primitive<long double>()), kJSPropertyAttributeDontEnum);
2615
2616     CYSetProperty(context, global, CYJSString("require"), &require_callAsFunction, kJSPropertyAttributeDontEnum);
2617
2618     JSObjectRef System(JSObjectMake(context, NULL, NULL));
2619     CYSetProperty(context, all, CYJSString("system"), System);
2620     System = CYCastJSObject(context, CYGetProperty(context, global, CYJSString("system")));
2621     CYSetProperty(context, cy, CYJSString("System"), System);
2622
2623     JSObjectRef process(JSObjectMake(context, NULL, NULL));
2624     CYSetProperty(context, global, CYJSString("process"), process);
2625     CYSetProperty(context, cy, CYJSString("process"), process);
2626
2627     CYSetProperty(context, System, CYJSString("args"), CYJSNull(context));
2628     CYSetProperty(context, System, CYJSString("print"), &System_print);
2629
2630     CYSetProperty(context, global, CYJSString("global"), global);
2631     CYSetProperty(context, global, CYJSString("print"), &Global_print);
2632
2633     for (CYHook *hook : GetHooks())
2634         if (hook->SetupContext != NULL)
2635             (*hook->SetupContext)(context);
2636
2637     CYArrayPush(context, alls, cycript);
2638
2639     CYRunScript(context, "/libcycript.cy");
2640 }
2641
2642 static JSGlobalContextRef context_;
2643
2644 _visible JSGlobalContextRef CYGetJSContext() {
2645     CYInitializeDynamic();
2646
2647     if (context_ == NULL) {
2648         context_ = JSGlobalContextCreate(Global_);
2649         CYSetupContext(context_);
2650     }
2651
2652     return context_;
2653 }
2654
2655 _visible void CYDestroyContext() {
2656     if (context_ == NULL)
2657         return;
2658     JSGlobalContextRelease(context_);
2659     context_ = NULL;
2660 }