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