Execute.cpp

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