Execute.cpp

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