Execute.cpp

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