| 1 | /* Cycript - Optimizing JavaScript Compiler/Runtime |
| 2 | * Copyright (C) 2009-2012 Jay Freeman (saurik) |
| 3 | */ |
| 4 | |
| 5 | /* GNU Lesser General Public License, Version 3 {{{ */ |
| 6 | /* |
| 7 | * Cycript is free software: you can redistribute it and/or modify it under |
| 8 | * the terms of the GNU Lesser General Public License as published by the |
| 9 | * Free Software Foundation, either version 3 of the License, or (at your |
| 10 | * option) any later version. |
| 11 | * |
| 12 | * Cycript is distributed in the hope that it will be useful, but WITHOUT |
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| 15 | * License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public License |
| 18 | * along with Cycript. If not, see <http://www.gnu.org/licenses/>. |
| 19 | **/ |
| 20 | /* }}} */ |
| 21 | |
| 22 | #include "Internal.hpp" |
| 23 | |
| 24 | #include <dlfcn.h> |
| 25 | #include <iconv.h> |
| 26 | |
| 27 | #include "cycript.hpp" |
| 28 | |
| 29 | #include "sig/parse.hpp" |
| 30 | #include "sig/ffi_type.hpp" |
| 31 | |
| 32 | #include "Pooling.hpp" |
| 33 | #include "Execute.hpp" |
| 34 | |
| 35 | #include <sys/mman.h> |
| 36 | |
| 37 | #include <iostream> |
| 38 | #include <ext/stdio_filebuf.h> |
| 39 | #include <set> |
| 40 | #include <map> |
| 41 | #include <iomanip> |
| 42 | #include <sstream> |
| 43 | #include <cmath> |
| 44 | |
| 45 | #include "Parser.hpp" |
| 46 | #include "Cycript.tab.hh" |
| 47 | |
| 48 | #include "Error.hpp" |
| 49 | #include "JavaScript.hpp" |
| 50 | #include "String.hpp" |
| 51 | |
| 52 | struct CYHooks *hooks_; |
| 53 | |
| 54 | /* JavaScript Properties {{{ */ |
| 55 | JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) { |
| 56 | JSValueRef exception(NULL); |
| 57 | JSValueRef value(JSObjectGetPropertyAtIndex(context, object, index, &exception)); |
| 58 | CYThrow(context, exception); |
| 59 | return value; |
| 60 | } |
| 61 | |
| 62 | JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name) { |
| 63 | JSValueRef exception(NULL); |
| 64 | JSValueRef value(JSObjectGetProperty(context, object, name, &exception)); |
| 65 | CYThrow(context, exception); |
| 66 | return value; |
| 67 | } |
| 68 | |
| 69 | void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value) { |
| 70 | JSValueRef exception(NULL); |
| 71 | JSObjectSetPropertyAtIndex(context, object, index, value, &exception); |
| 72 | CYThrow(context, exception); |
| 73 | } |
| 74 | |
| 75 | void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes) { |
| 76 | JSValueRef exception(NULL); |
| 77 | JSObjectSetProperty(context, object, name, value, attributes, &exception); |
| 78 | CYThrow(context, exception); |
| 79 | } |
| 80 | |
| 81 | void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes) { |
| 82 | CYSetProperty(context, object, name, JSObjectMakeFunctionWithCallback(context, name, callback), attributes); |
| 83 | } |
| 84 | /* }}} */ |
| 85 | /* JavaScript Strings {{{ */ |
| 86 | JSStringRef CYCopyJSString(const char *value) { |
| 87 | return value == NULL ? NULL : JSStringCreateWithUTF8CString(value); |
| 88 | } |
| 89 | |
| 90 | JSStringRef CYCopyJSString(JSStringRef value) { |
| 91 | return value == NULL ? NULL : JSStringRetain(value); |
| 92 | } |
| 93 | |
| 94 | JSStringRef CYCopyJSString(CYUTF8String value) { |
| 95 | // XXX: this is very wrong; it needs to convert to UTF16 and then create from there |
| 96 | return CYCopyJSString(value.data); |
| 97 | } |
| 98 | |
| 99 | JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value) { |
| 100 | if (JSValueIsNull(context, value)) |
| 101 | return NULL; |
| 102 | JSValueRef exception(NULL); |
| 103 | JSStringRef string(JSValueToStringCopy(context, value, &exception)); |
| 104 | CYThrow(context, exception); |
| 105 | return string; |
| 106 | } |
| 107 | |
| 108 | static CYUTF16String CYCastUTF16String(JSStringRef value) { |
| 109 | return CYUTF16String(JSStringGetCharactersPtr(value), JSStringGetLength(value)); |
| 110 | } |
| 111 | |
| 112 | CYUTF8String CYPoolUTF8String(apr_pool_t *pool, JSContextRef context, JSStringRef value) { |
| 113 | return CYPoolUTF8String(pool, CYCastUTF16String(value)); |
| 114 | } |
| 115 | |
| 116 | const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSStringRef value) { |
| 117 | CYUTF8String utf8(CYPoolUTF8String(pool, context, value)); |
| 118 | _assert(memchr(utf8.data, '\0', utf8.size) == NULL); |
| 119 | return utf8.data; |
| 120 | } |
| 121 | |
| 122 | const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef value) { |
| 123 | return JSValueIsNull(context, value) ? NULL : CYPoolCString(pool, context, CYJSString(context, value)); |
| 124 | } |
| 125 | /* }}} */ |
| 126 | /* Index Offsets {{{ */ |
| 127 | size_t CYGetIndex(apr_pool_t *pool, JSContextRef context, JSStringRef value) { |
| 128 | return CYGetIndex(CYPoolUTF8String(pool, context, value)); |
| 129 | } |
| 130 | /* }}} */ |
| 131 | |
| 132 | static JSClassRef All_; |
| 133 | static JSClassRef Context_; |
| 134 | JSClassRef Functor_; |
| 135 | static JSClassRef Global_; |
| 136 | static JSClassRef Pointer_; |
| 137 | static JSClassRef Struct_; |
| 138 | |
| 139 | JSStringRef Array_s; |
| 140 | JSStringRef cy_s; |
| 141 | JSStringRef length_s; |
| 142 | JSStringRef message_s; |
| 143 | JSStringRef name_s; |
| 144 | JSStringRef pop_s; |
| 145 | JSStringRef prototype_s; |
| 146 | JSStringRef push_s; |
| 147 | JSStringRef splice_s; |
| 148 | JSStringRef toCYON_s; |
| 149 | JSStringRef toJSON_s; |
| 150 | JSStringRef toPointer_s; |
| 151 | JSStringRef toString_s; |
| 152 | |
| 153 | static JSStringRef Result_; |
| 154 | |
| 155 | void CYFinalize(JSObjectRef object) { |
| 156 | CYData *internal(reinterpret_cast<CYData *>(JSObjectGetPrivate(object))); |
| 157 | if (--internal->count_ == 0) |
| 158 | delete internal; |
| 159 | } |
| 160 | |
| 161 | void Structor_(apr_pool_t *pool, sig::Type *&type) { |
| 162 | if ( |
| 163 | type->primitive == sig::pointer_P && |
| 164 | type->data.data.type != NULL && |
| 165 | type->data.data.type->primitive == sig::struct_P && |
| 166 | type->data.data.type->name != NULL && |
| 167 | strcmp(type->data.data.type->name, "_objc_class") == 0 |
| 168 | ) { |
| 169 | type->primitive = sig::typename_P; |
| 170 | type->data.data.type = NULL; |
| 171 | return; |
| 172 | } |
| 173 | |
| 174 | if (type->primitive != sig::struct_P || type->name == NULL) |
| 175 | return; |
| 176 | |
| 177 | size_t length(strlen(type->name)); |
| 178 | char keyed[length + 2]; |
| 179 | memcpy(keyed + 1, type->name, length + 1); |
| 180 | |
| 181 | static const char *modes = "34"; |
| 182 | for (size_t i(0); i != 2; ++i) { |
| 183 | char mode(modes[i]); |
| 184 | keyed[0] = mode; |
| 185 | |
| 186 | if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1)) |
| 187 | switch (mode) { |
| 188 | case '3': |
| 189 | sig::Parse(pool, &type->data.signature, entry->value_, &Structor_); |
| 190 | break; |
| 191 | |
| 192 | case '4': { |
| 193 | sig::Signature signature; |
| 194 | sig::Parse(pool, &signature, entry->value_, &Structor_); |
| 195 | type = signature.elements[0].type; |
| 196 | } break; |
| 197 | } |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | JSClassRef Type_privateData::Class_; |
| 202 | |
| 203 | struct Context : |
| 204 | CYData |
| 205 | { |
| 206 | JSGlobalContextRef context_; |
| 207 | |
| 208 | Context(JSGlobalContextRef context) : |
| 209 | context_(context) |
| 210 | { |
| 211 | } |
| 212 | }; |
| 213 | |
| 214 | struct Pointer : |
| 215 | CYOwned |
| 216 | { |
| 217 | Type_privateData *type_; |
| 218 | size_t length_; |
| 219 | |
| 220 | Pointer(void *value, JSContextRef context, JSObjectRef owner, size_t length, sig::Type *type) : |
| 221 | CYOwned(value, context, owner), |
| 222 | type_(new(pool_) Type_privateData(type)), |
| 223 | length_(length) |
| 224 | { |
| 225 | } |
| 226 | }; |
| 227 | |
| 228 | struct Struct_privateData : |
| 229 | CYOwned |
| 230 | { |
| 231 | Type_privateData *type_; |
| 232 | |
| 233 | Struct_privateData(JSContextRef context, JSObjectRef owner) : |
| 234 | CYOwned(NULL, context, owner) |
| 235 | { |
| 236 | } |
| 237 | }; |
| 238 | |
| 239 | typedef std::map<const char *, Type_privateData *, CYCStringLess> TypeMap; |
| 240 | static TypeMap Types_; |
| 241 | |
| 242 | JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_type *ffi, JSObjectRef owner) { |
| 243 | Struct_privateData *internal(new Struct_privateData(context, owner)); |
| 244 | apr_pool_t *pool(internal->pool_); |
| 245 | Type_privateData *typical(new(pool) Type_privateData(type, ffi)); |
| 246 | internal->type_ = typical; |
| 247 | |
| 248 | if (owner != NULL) |
| 249 | internal->value_ = data; |
| 250 | else { |
| 251 | size_t size(typical->GetFFI()->size); |
| 252 | void *copy(apr_palloc(internal->pool_, size)); |
| 253 | memcpy(copy, data, size); |
| 254 | internal->value_ = copy; |
| 255 | } |
| 256 | |
| 257 | return JSObjectMake(context, Struct_, internal); |
| 258 | } |
| 259 | |
| 260 | static void *CYCastSymbol(const char *name) { |
| 261 | return dlsym(RTLD_DEFAULT, name); |
| 262 | } |
| 263 | |
| 264 | JSValueRef CYCastJSValue(JSContextRef context, bool value) { |
| 265 | return JSValueMakeBoolean(context, value); |
| 266 | } |
| 267 | |
| 268 | JSValueRef CYCastJSValue(JSContextRef context, double value) { |
| 269 | return JSValueMakeNumber(context, value); |
| 270 | } |
| 271 | |
| 272 | #define CYCastJSValue_(Type_) \ |
| 273 | JSValueRef CYCastJSValue(JSContextRef context, Type_ value) { \ |
| 274 | return JSValueMakeNumber(context, static_cast<double>(value)); \ |
| 275 | } |
| 276 | |
| 277 | CYCastJSValue_(int) |
| 278 | CYCastJSValue_(unsigned int) |
| 279 | CYCastJSValue_(long int) |
| 280 | CYCastJSValue_(long unsigned int) |
| 281 | CYCastJSValue_(long long int) |
| 282 | CYCastJSValue_(long long unsigned int) |
| 283 | |
| 284 | JSValueRef CYJSUndefined(JSContextRef context) { |
| 285 | return JSValueMakeUndefined(context); |
| 286 | } |
| 287 | |
| 288 | double CYCastDouble(JSContextRef context, JSValueRef value) { |
| 289 | JSValueRef exception(NULL); |
| 290 | double number(JSValueToNumber(context, value, &exception)); |
| 291 | CYThrow(context, exception); |
| 292 | return number; |
| 293 | } |
| 294 | |
| 295 | bool CYCastBool(JSContextRef context, JSValueRef value) { |
| 296 | return JSValueToBoolean(context, value); |
| 297 | } |
| 298 | |
| 299 | JSValueRef CYJSNull(JSContextRef context) { |
| 300 | return JSValueMakeNull(context); |
| 301 | } |
| 302 | |
| 303 | JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value) { |
| 304 | return value == NULL ? CYJSNull(context) : JSValueMakeString(context, value); |
| 305 | } |
| 306 | |
| 307 | JSValueRef CYCastJSValue(JSContextRef context, const char *value) { |
| 308 | return CYCastJSValue(context, CYJSString(value)); |
| 309 | } |
| 310 | |
| 311 | JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value) { |
| 312 | JSValueRef exception(NULL); |
| 313 | JSObjectRef object(JSValueToObject(context, value, &exception)); |
| 314 | CYThrow(context, exception); |
| 315 | return object; |
| 316 | } |
| 317 | |
| 318 | JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]) { |
| 319 | JSValueRef exception(NULL); |
| 320 | JSValueRef value(JSObjectCallAsFunction(context, function, _this, count, arguments, &exception)); |
| 321 | CYThrow(context, exception); |
| 322 | return value; |
| 323 | } |
| 324 | |
| 325 | bool CYIsCallable(JSContextRef context, JSValueRef value) { |
| 326 | return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value); |
| 327 | } |
| 328 | |
| 329 | static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 330 | if (count == 0) |
| 331 | printf("\n"); |
| 332 | else { |
| 333 | CYPool pool; |
| 334 | printf("%s\n", CYPoolCString(pool, context, arguments[0])); |
| 335 | } |
| 336 | |
| 337 | return CYJSUndefined(context); |
| 338 | } CYCatch(NULL) } |
| 339 | |
| 340 | static size_t Nonce_(0); |
| 341 | |
| 342 | static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { |
| 343 | CYPool pool; |
| 344 | const char *name(apr_psprintf(pool, "%s%"APR_SIZE_T_FMT"", CYPoolCString(pool, context, arguments[0]), Nonce_++)); |
| 345 | return CYCastJSValue(context, name); |
| 346 | } |
| 347 | |
| 348 | static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { |
| 349 | JSGarbageCollect(context); |
| 350 | return CYJSUndefined(context); |
| 351 | } |
| 352 | |
| 353 | const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value, JSValueRef *exception) { CYTry { |
| 354 | switch (JSType type = JSValueGetType(context, value)) { |
| 355 | case kJSTypeUndefined: |
| 356 | return "undefined"; |
| 357 | case kJSTypeNull: |
| 358 | return "null"; |
| 359 | case kJSTypeBoolean: |
| 360 | return CYCastBool(context, value) ? "true" : "false"; |
| 361 | |
| 362 | case kJSTypeNumber: { |
| 363 | std::ostringstream str; |
| 364 | CYNumerify(str, CYCastDouble(context, value)); |
| 365 | std::string value(str.str()); |
| 366 | return apr_pstrmemdup(pool, value.c_str(), value.size()); |
| 367 | } break; |
| 368 | |
| 369 | case kJSTypeString: { |
| 370 | std::ostringstream str; |
| 371 | CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, value))); |
| 372 | CYStringify(str, string.data, string.size); |
| 373 | std::string value(str.str()); |
| 374 | return apr_pstrmemdup(pool, value.c_str(), value.size()); |
| 375 | } break; |
| 376 | |
| 377 | case kJSTypeObject: |
| 378 | return CYPoolCCYON(pool, context, (JSObjectRef) value); |
| 379 | default: |
| 380 | throw CYJSError(context, "JSValueGetType() == 0x%x", type); |
| 381 | } |
| 382 | } CYCatch(NULL) } |
| 383 | |
| 384 | const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSValueRef value) { |
| 385 | JSValueRef exception(NULL); |
| 386 | const char *cyon(CYPoolCCYON(pool, context, value, &exception)); |
| 387 | CYThrow(context, exception); |
| 388 | return cyon; |
| 389 | } |
| 390 | |
| 391 | const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef object) { |
| 392 | JSValueRef toCYON(CYGetProperty(context, object, toCYON_s)); |
| 393 | if (CYIsCallable(context, toCYON)) { |
| 394 | JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 0, NULL)); |
| 395 | _assert(value != NULL); |
| 396 | return CYPoolCString(pool, context, value); |
| 397 | } |
| 398 | |
| 399 | JSValueRef toJSON(CYGetProperty(context, object, toJSON_s)); |
| 400 | if (CYIsCallable(context, toJSON)) { |
| 401 | JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))}; |
| 402 | JSValueRef exception(NULL); |
| 403 | const char *cyon(CYPoolCCYON(pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), &exception)); |
| 404 | CYThrow(context, exception); |
| 405 | return cyon; |
| 406 | } |
| 407 | |
| 408 | if (JSObjectIsFunction(context, object)) { |
| 409 | JSValueRef toString(CYGetProperty(context, object, toString_s)); |
| 410 | if (CYIsCallable(context, toString)) { |
| 411 | JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))}; |
| 412 | JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toString, object, 1, arguments)); |
| 413 | _assert(value != NULL); |
| 414 | return CYPoolCString(pool, context, value); |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | std::ostringstream str; |
| 419 | |
| 420 | str << '{'; |
| 421 | |
| 422 | // XXX: this is, sadly, going to leak |
| 423 | JSPropertyNameArrayRef names(JSObjectCopyPropertyNames(context, object)); |
| 424 | |
| 425 | bool comma(false); |
| 426 | |
| 427 | for (size_t index(0), count(JSPropertyNameArrayGetCount(names)); index != count; ++index) { |
| 428 | JSStringRef name(JSPropertyNameArrayGetNameAtIndex(names, index)); |
| 429 | JSValueRef value(CYGetProperty(context, object, name)); |
| 430 | |
| 431 | if (comma) |
| 432 | str << ','; |
| 433 | else |
| 434 | comma = true; |
| 435 | |
| 436 | CYUTF8String string(CYPoolUTF8String(pool, context, name)); |
| 437 | if (CYIsKey(string)) |
| 438 | str << string.data; |
| 439 | else |
| 440 | CYStringify(str, string.data, string.size); |
| 441 | |
| 442 | str << ':' << CYPoolCCYON(pool, context, value); |
| 443 | } |
| 444 | |
| 445 | str << '}'; |
| 446 | |
| 447 | JSPropertyNameArrayRelease(names); |
| 448 | |
| 449 | std::string string(str.str()); |
| 450 | return apr_pstrmemdup(pool, string.c_str(), string.size()); |
| 451 | } |
| 452 | |
| 453 | static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 454 | CYPool pool; |
| 455 | std::ostringstream str; |
| 456 | |
| 457 | str << '['; |
| 458 | |
| 459 | JSValueRef length(CYGetProperty(context, _this, length_s)); |
| 460 | bool comma(false); |
| 461 | |
| 462 | for (size_t index(0), count(CYCastDouble(context, length)); index != count; ++index) { |
| 463 | JSValueRef value(CYGetProperty(context, _this, index)); |
| 464 | |
| 465 | if (comma) |
| 466 | str << ','; |
| 467 | else |
| 468 | comma = true; |
| 469 | |
| 470 | if (!JSValueIsUndefined(context, value)) |
| 471 | str << CYPoolCCYON(pool, context, value); |
| 472 | else { |
| 473 | str << ','; |
| 474 | comma = false; |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | str << ']'; |
| 479 | |
| 480 | std::string value(str.str()); |
| 481 | return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size()))); |
| 482 | } CYCatch(NULL) } |
| 483 | |
| 484 | static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 485 | CYPool pool; |
| 486 | std::ostringstream str; |
| 487 | |
| 488 | CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, _this))); |
| 489 | CYStringify(str, string.data, string.size); |
| 490 | |
| 491 | std::string value(str.str()); |
| 492 | return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size()))); |
| 493 | } CYCatch(NULL) } |
| 494 | |
| 495 | JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, sig::Type *type, ffi_type *ffi, JSObjectRef owner) { |
| 496 | Pointer *internal(new Pointer(pointer, context, owner, length, type)); |
| 497 | return JSObjectMake(context, Pointer_, internal); |
| 498 | } |
| 499 | |
| 500 | static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) { |
| 501 | return JSObjectMake(context, Functor_, new cy::Functor(type, function)); |
| 502 | } |
| 503 | |
| 504 | static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *type, void **cache) { |
| 505 | cy::Functor *internal; |
| 506 | if (*cache != NULL) |
| 507 | internal = reinterpret_cast<cy::Functor *>(*cache); |
| 508 | else { |
| 509 | void (*function)()(reinterpret_cast<void (*)()>(CYCastSymbol(symbol))); |
| 510 | if (function == NULL) |
| 511 | return NULL; |
| 512 | |
| 513 | internal = new cy::Functor(type, function); |
| 514 | *cache = internal; |
| 515 | } |
| 516 | |
| 517 | ++internal->count_; |
| 518 | return JSObjectMake(context, Functor_, internal); |
| 519 | } |
| 520 | |
| 521 | static bool CYGetOffset(apr_pool_t *pool, JSContextRef context, JSStringRef value, ssize_t &index) { |
| 522 | return CYGetOffset(CYPoolCString(pool, context, value), index); |
| 523 | } |
| 524 | |
| 525 | void *CYCastPointer_(JSContextRef context, JSValueRef value) { |
| 526 | switch (JSValueGetType(context, value)) { |
| 527 | case kJSTypeNull: |
| 528 | return NULL; |
| 529 | case kJSTypeObject: { |
| 530 | JSObjectRef object((JSObjectRef) value); |
| 531 | if (JSValueIsObjectOfClass(context, value, Pointer_)) { |
| 532 | Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object))); |
| 533 | return internal->value_; |
| 534 | } |
| 535 | JSValueRef toPointer(CYGetProperty(context, object, toPointer_s)); |
| 536 | if (CYIsCallable(context, toPointer)) { |
| 537 | JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toPointer, object, 0, NULL)); |
| 538 | _assert(value != NULL); |
| 539 | return CYCastPointer_(context, value); |
| 540 | } |
| 541 | } default: |
| 542 | double number(CYCastDouble(context, value)); |
| 543 | if (std::isnan(number)) |
| 544 | throw CYJSError(context, "cannot convert value to pointer"); |
| 545 | return reinterpret_cast<void *>(static_cast<uintptr_t>(static_cast<long long>(number))); |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value) { |
| 550 | switch (type->primitive) { |
| 551 | case sig::boolean_P: |
| 552 | *reinterpret_cast<bool *>(data) = JSValueToBoolean(context, value); |
| 553 | break; |
| 554 | |
| 555 | #define CYPoolFFI_(primitive, native) \ |
| 556 | case sig::primitive ## _P: \ |
| 557 | *reinterpret_cast<native *>(data) = CYCastDouble(context, value); \ |
| 558 | break; |
| 559 | |
| 560 | CYPoolFFI_(uchar, unsigned char) |
| 561 | CYPoolFFI_(char, char) |
| 562 | CYPoolFFI_(ushort, unsigned short) |
| 563 | CYPoolFFI_(short, short) |
| 564 | CYPoolFFI_(ulong, unsigned long) |
| 565 | CYPoolFFI_(long, long) |
| 566 | CYPoolFFI_(uint, unsigned int) |
| 567 | CYPoolFFI_(int, int) |
| 568 | CYPoolFFI_(ulonglong, unsigned long long) |
| 569 | CYPoolFFI_(longlong, long long) |
| 570 | CYPoolFFI_(float, float) |
| 571 | CYPoolFFI_(double, double) |
| 572 | |
| 573 | case sig::array_P: { |
| 574 | uint8_t *base(reinterpret_cast<uint8_t *>(data)); |
| 575 | JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL); |
| 576 | for (size_t index(0); index != type->data.data.size; ++index) { |
| 577 | ffi_type *field(ffi->elements[index]); |
| 578 | |
| 579 | JSValueRef rhs; |
| 580 | if (aggregate == NULL) |
| 581 | rhs = value; |
| 582 | else { |
| 583 | rhs = CYGetProperty(context, aggregate, index); |
| 584 | if (JSValueIsUndefined(context, rhs)) |
| 585 | throw CYJSError(context, "unable to extract array value"); |
| 586 | } |
| 587 | |
| 588 | CYPoolFFI(pool, context, type->data.data.type, field, base, rhs); |
| 589 | // XXX: alignment? |
| 590 | base += field->size; |
| 591 | } |
| 592 | } break; |
| 593 | |
| 594 | case sig::pointer_P: |
| 595 | *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value); |
| 596 | break; |
| 597 | |
| 598 | case sig::string_P: |
| 599 | *reinterpret_cast<const char **>(data) = CYPoolCString(pool, context, value); |
| 600 | break; |
| 601 | |
| 602 | case sig::struct_P: { |
| 603 | uint8_t *base(reinterpret_cast<uint8_t *>(data)); |
| 604 | JSObjectRef aggregate(JSValueIsObject(context, value) ? (JSObjectRef) value : NULL); |
| 605 | for (size_t index(0); index != type->data.signature.count; ++index) { |
| 606 | sig::Element *element(&type->data.signature.elements[index]); |
| 607 | ffi_type *field(ffi->elements[index]); |
| 608 | |
| 609 | JSValueRef rhs; |
| 610 | if (aggregate == NULL) |
| 611 | rhs = value; |
| 612 | else { |
| 613 | rhs = CYGetProperty(context, aggregate, index); |
| 614 | if (JSValueIsUndefined(context, rhs)) { |
| 615 | if (element->name != NULL) |
| 616 | rhs = CYGetProperty(context, aggregate, CYJSString(element->name)); |
| 617 | else |
| 618 | goto undefined; |
| 619 | if (JSValueIsUndefined(context, rhs)) undefined: |
| 620 | throw CYJSError(context, "unable to extract structure value"); |
| 621 | } |
| 622 | } |
| 623 | |
| 624 | CYPoolFFI(pool, context, element->type, field, base, rhs); |
| 625 | // XXX: alignment? |
| 626 | base += field->size; |
| 627 | } |
| 628 | } break; |
| 629 | |
| 630 | case sig::void_P: |
| 631 | break; |
| 632 | |
| 633 | default: |
| 634 | if (hooks_ != NULL && hooks_->PoolFFI != NULL) |
| 635 | if ((*hooks_->PoolFFI)(pool, context, type, ffi, data, value)) |
| 636 | return; |
| 637 | |
| 638 | CYThrow("unimplemented signature code: '%c''\n", type->primitive); |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize, JSObjectRef owner) { |
| 643 | switch (type->primitive) { |
| 644 | case sig::boolean_P: |
| 645 | return CYCastJSValue(context, *reinterpret_cast<bool *>(data)); |
| 646 | |
| 647 | #define CYFromFFI_(primitive, native) \ |
| 648 | case sig::primitive ## _P: \ |
| 649 | return CYCastJSValue(context, *reinterpret_cast<native *>(data)); \ |
| 650 | |
| 651 | CYFromFFI_(uchar, unsigned char) |
| 652 | CYFromFFI_(char, char) |
| 653 | CYFromFFI_(ushort, unsigned short) |
| 654 | CYFromFFI_(short, short) |
| 655 | CYFromFFI_(ulong, unsigned long) |
| 656 | CYFromFFI_(long, long) |
| 657 | CYFromFFI_(uint, unsigned int) |
| 658 | CYFromFFI_(int, int) |
| 659 | CYFromFFI_(ulonglong, unsigned long long) |
| 660 | CYFromFFI_(longlong, long long) |
| 661 | CYFromFFI_(float, float) |
| 662 | CYFromFFI_(double, double) |
| 663 | |
| 664 | case sig::array_P: |
| 665 | if (void *pointer = data) |
| 666 | return CYMakePointer(context, pointer, type->data.data.size, type->data.data.type, NULL, owner); |
| 667 | else goto null; |
| 668 | |
| 669 | case sig::pointer_P: |
| 670 | if (void *pointer = *reinterpret_cast<void **>(data)) |
| 671 | return CYMakePointer(context, pointer, _not(size_t), type->data.data.type, NULL, owner); |
| 672 | else goto null; |
| 673 | |
| 674 | case sig::string_P: |
| 675 | if (char *utf8 = *reinterpret_cast<char **>(data)) |
| 676 | return CYCastJSValue(context, utf8); |
| 677 | else goto null; |
| 678 | |
| 679 | case sig::struct_P: |
| 680 | return CYMakeStruct(context, data, type, ffi, owner); |
| 681 | case sig::void_P: |
| 682 | return CYJSUndefined(context); |
| 683 | |
| 684 | null: |
| 685 | return CYJSNull(context); |
| 686 | default: |
| 687 | if (hooks_ != NULL && hooks_->FromFFI != NULL) |
| 688 | if (JSValueRef value = (*hooks_->FromFFI)(context, type, ffi, data, initialize, owner)) |
| 689 | return value; |
| 690 | |
| 691 | CYThrow("unimplemented signature code: '%c''\n", type->primitive); |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)) { |
| 696 | Closure_privateData *internal(reinterpret_cast<Closure_privateData *>(arg)); |
| 697 | |
| 698 | JSContextRef context(internal->context_); |
| 699 | |
| 700 | size_t count(internal->cif_.nargs); |
| 701 | JSValueRef values[count]; |
| 702 | |
| 703 | for (size_t index(0); index != count; ++index) |
| 704 | values[index] = CYFromFFI(context, internal->signature_.elements[1 + index].type, internal->cif_.arg_types[index], arguments[index]); |
| 705 | |
| 706 | JSValueRef value(adapter(context, count, values, internal->function_)); |
| 707 | CYPoolFFI(NULL, context, internal->signature_.elements[0].type, internal->cif_.rtype, result, value); |
| 708 | } |
| 709 | |
| 710 | static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function) { |
| 711 | return CYCallAsFunction(context, function, NULL, count, values); |
| 712 | } |
| 713 | |
| 714 | static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void *arg) { |
| 715 | CYExecuteClosure(cif, result, arguments, arg, &FunctionAdapter_); |
| 716 | } |
| 717 | |
| 718 | Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const char *type, void (*callback)(ffi_cif *, void *, void **, void *)) { |
| 719 | // XXX: in case of exceptions this will leak |
| 720 | // XXX: in point of fact, this may /need/ to leak :( |
| 721 | Closure_privateData *internal(new Closure_privateData(context, function, type)); |
| 722 | |
| 723 | #if defined(__APPLE__) && defined(__arm__) |
| 724 | void *executable; |
| 725 | ffi_closure *writable(reinterpret_cast<ffi_closure *>(ffi_closure_alloc(sizeof(ffi_closure), &executable))); |
| 726 | |
| 727 | ffi_status status(ffi_prep_closure_loc(writable, &internal->cif_, callback, internal, executable)); |
| 728 | _assert(status == FFI_OK); |
| 729 | |
| 730 | internal->value_ = executable; |
| 731 | #else |
| 732 | ffi_closure *closure((ffi_closure *) _syscall(mmap( |
| 733 | NULL, sizeof(ffi_closure), |
| 734 | PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, |
| 735 | -1, 0 |
| 736 | ))); |
| 737 | |
| 738 | ffi_status status(ffi_prep_closure(closure, &internal->cif_, callback, internal)); |
| 739 | _assert(status == FFI_OK); |
| 740 | |
| 741 | _syscall(mprotect(closure, sizeof(*closure), PROT_READ | PROT_EXEC)); |
| 742 | |
| 743 | internal->value_ = closure; |
| 744 | #endif |
| 745 | |
| 746 | return internal; |
| 747 | } |
| 748 | |
| 749 | static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const char *type) { |
| 750 | Closure_privateData *internal(CYMakeFunctor_(context, function, type, &FunctionClosure_)); |
| 751 | JSObjectRef object(JSObjectMake(context, Functor_, internal)); |
| 752 | // XXX: see above notes about needing to leak |
| 753 | JSValueProtect(CYGetJSContext(context), object); |
| 754 | return object; |
| 755 | } |
| 756 | |
| 757 | JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) { |
| 758 | return CYCastJSObject(context, CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name)); |
| 759 | } |
| 760 | |
| 761 | static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const char *type) { |
| 762 | JSObjectRef Function(CYGetCachedObject(context, CYJSString("Function"))); |
| 763 | |
| 764 | JSValueRef exception(NULL); |
| 765 | bool function(JSValueIsInstanceOfConstructor(context, value, Function, &exception)); |
| 766 | CYThrow(context, exception); |
| 767 | |
| 768 | if (function) { |
| 769 | JSObjectRef function(CYCastJSObject(context, value)); |
| 770 | return CYMakeFunctor(context, function, type); |
| 771 | } else { |
| 772 | void (*function)()(CYCastPointer<void (*)()>(context, value)); |
| 773 | return CYMakeFunctor(context, function, type); |
| 774 | } |
| 775 | } |
| 776 | |
| 777 | static bool Index_(apr_pool_t *pool, JSContextRef context, Struct_privateData *internal, JSStringRef property, ssize_t &index, uint8_t *&base) { |
| 778 | Type_privateData *typical(internal->type_); |
| 779 | sig::Type *type(typical->type_); |
| 780 | if (type == NULL) |
| 781 | return false; |
| 782 | |
| 783 | const char *name(CYPoolCString(pool, context, property)); |
| 784 | size_t length(strlen(name)); |
| 785 | double number(CYCastDouble(name, length)); |
| 786 | |
| 787 | size_t count(type->data.signature.count); |
| 788 | |
| 789 | if (std::isnan(number)) { |
| 790 | if (property == NULL) |
| 791 | return false; |
| 792 | |
| 793 | sig::Element *elements(type->data.signature.elements); |
| 794 | |
| 795 | for (size_t local(0); local != count; ++local) { |
| 796 | sig::Element *element(&elements[local]); |
| 797 | if (element->name != NULL && strcmp(name, element->name) == 0) { |
| 798 | index = local; |
| 799 | goto base; |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | return false; |
| 804 | } else { |
| 805 | index = static_cast<ssize_t>(number); |
| 806 | if (index != number || index < 0 || static_cast<size_t>(index) >= count) |
| 807 | return false; |
| 808 | } |
| 809 | |
| 810 | base: |
| 811 | ffi_type **elements(typical->GetFFI()->elements); |
| 812 | |
| 813 | base = reinterpret_cast<uint8_t *>(internal->value_); |
| 814 | for (ssize_t local(0); local != index; ++local) |
| 815 | base += elements[local]->size; |
| 816 | |
| 817 | return true; |
| 818 | } |
| 819 | |
| 820 | static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { |
| 821 | CYPool pool; |
| 822 | Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object))); |
| 823 | |
| 824 | if (JSStringIsEqual(property, length_s)) |
| 825 | return internal->length_ == _not(size_t) ? CYJSUndefined(context) : CYCastJSValue(context, internal->length_); |
| 826 | |
| 827 | Type_privateData *typical(internal->type_); |
| 828 | |
| 829 | if (typical->type_ == NULL) |
| 830 | return NULL; |
| 831 | |
| 832 | ssize_t offset; |
| 833 | if (JSStringIsEqualToUTF8CString(property, "$cyi")) |
| 834 | offset = 0; |
| 835 | else if (!CYGetOffset(pool, context, property, offset)) |
| 836 | return NULL; |
| 837 | |
| 838 | ffi_type *ffi(typical->GetFFI()); |
| 839 | |
| 840 | uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_)); |
| 841 | base += ffi->size * offset; |
| 842 | |
| 843 | JSObjectRef owner(internal->GetOwner() ?: object); |
| 844 | return CYFromFFI(context, typical->type_, ffi, base, false, owner); |
| 845 | } CYCatch(NULL) } |
| 846 | |
| 847 | static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry { |
| 848 | CYPool pool; |
| 849 | Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(object))); |
| 850 | Type_privateData *typical(internal->type_); |
| 851 | |
| 852 | if (typical->type_ == NULL) |
| 853 | return false; |
| 854 | |
| 855 | ssize_t offset; |
| 856 | if (JSStringIsEqualToUTF8CString(property, "$cyi")) |
| 857 | offset = 0; |
| 858 | else if (!CYGetOffset(pool, context, property, offset)) |
| 859 | return false; |
| 860 | |
| 861 | ffi_type *ffi(typical->GetFFI()); |
| 862 | |
| 863 | uint8_t *base(reinterpret_cast<uint8_t *>(internal->value_)); |
| 864 | base += ffi->size * offset; |
| 865 | |
| 866 | CYPoolFFI(NULL, context, typical->type_, ffi, base, value); |
| 867 | return true; |
| 868 | } CYCatch(false) } |
| 869 | |
| 870 | static JSValueRef Struct_callAsFunction_$cya(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { |
| 871 | Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(_this))); |
| 872 | Type_privateData *typical(internal->type_); |
| 873 | return CYMakePointer(context, internal->value_, _not(size_t), typical->type_, typical->ffi_, _this); |
| 874 | } |
| 875 | |
| 876 | static JSValueRef Struct_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { |
| 877 | CYPool pool; |
| 878 | Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object))); |
| 879 | Type_privateData *typical(internal->type_); |
| 880 | |
| 881 | ssize_t index; |
| 882 | uint8_t *base; |
| 883 | |
| 884 | if (!Index_(pool, context, internal, property, index, base)) |
| 885 | return NULL; |
| 886 | |
| 887 | JSObjectRef owner(internal->GetOwner() ?: object); |
| 888 | |
| 889 | return CYFromFFI(context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, false, owner); |
| 890 | } CYCatch(NULL) } |
| 891 | |
| 892 | static bool Struct_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry { |
| 893 | CYPool pool; |
| 894 | Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object))); |
| 895 | Type_privateData *typical(internal->type_); |
| 896 | |
| 897 | ssize_t index; |
| 898 | uint8_t *base; |
| 899 | |
| 900 | if (!Index_(pool, context, internal, property, index, base)) |
| 901 | return false; |
| 902 | |
| 903 | CYPoolFFI(NULL, context, typical->type_->data.signature.elements[index].type, typical->GetFFI()->elements[index], base, value); |
| 904 | return true; |
| 905 | } CYCatch(false) } |
| 906 | |
| 907 | static void Struct_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) { |
| 908 | Struct_privateData *internal(reinterpret_cast<Struct_privateData *>(JSObjectGetPrivate(object))); |
| 909 | Type_privateData *typical(internal->type_); |
| 910 | sig::Type *type(typical->type_); |
| 911 | |
| 912 | if (type == NULL) |
| 913 | return; |
| 914 | |
| 915 | size_t count(type->data.signature.count); |
| 916 | sig::Element *elements(type->data.signature.elements); |
| 917 | |
| 918 | char number[32]; |
| 919 | |
| 920 | for (size_t index(0); index != count; ++index) { |
| 921 | const char *name; |
| 922 | name = elements[index].name; |
| 923 | |
| 924 | if (name == NULL) { |
| 925 | sprintf(number, "%zu", index); |
| 926 | name = number; |
| 927 | } |
| 928 | |
| 929 | JSPropertyNameAccumulatorAddName(names, CYJSString(name)); |
| 930 | } |
| 931 | } |
| 932 | |
| 933 | JSValueRef CYCallFunction(apr_pool_t *pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception, sig::Signature *signature, ffi_cif *cif, void (*function)()) { CYTry { |
| 934 | if (setups + count != signature->count - 1) |
| 935 | throw CYJSError(context, "incorrect number of arguments to ffi function"); |
| 936 | |
| 937 | size_t size(setups + count); |
| 938 | void *values[size]; |
| 939 | memcpy(values, setup, sizeof(void *) * setups); |
| 940 | |
| 941 | for (size_t index(setups); index != size; ++index) { |
| 942 | sig::Element *element(&signature->elements[index + 1]); |
| 943 | ffi_type *ffi(cif->arg_types[index]); |
| 944 | // XXX: alignment? |
| 945 | values[index] = new(pool) uint8_t[ffi->size]; |
| 946 | CYPoolFFI(pool, context, element->type, ffi, values[index], arguments[index - setups]); |
| 947 | } |
| 948 | |
| 949 | uint8_t value[cif->rtype->size]; |
| 950 | |
| 951 | if (hooks_ != NULL && hooks_->CallFunction != NULL) |
| 952 | (*hooks_->CallFunction)(context, cif, function, value, values); |
| 953 | else |
| 954 | ffi_call(cif, function, value, values); |
| 955 | |
| 956 | return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize); |
| 957 | } CYCatch(NULL) } |
| 958 | |
| 959 | static JSValueRef Functor_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { |
| 960 | CYPool pool; |
| 961 | cy::Functor *internal(reinterpret_cast<cy::Functor *>(JSObjectGetPrivate(object))); |
| 962 | return CYCallFunction(pool, context, 0, NULL, count, arguments, false, exception, &internal->signature_, &internal->cif_, internal->GetValue()); |
| 963 | } |
| 964 | |
| 965 | JSObjectRef CYMakeType(JSContextRef context, const char *type) { |
| 966 | Type_privateData *internal(new Type_privateData(type)); |
| 967 | return JSObjectMake(context, Type_privateData::Class_, internal); |
| 968 | } |
| 969 | |
| 970 | JSObjectRef CYMakeType(JSContextRef context, sig::Type *type) { |
| 971 | Type_privateData *internal(new Type_privateData(type)); |
| 972 | return JSObjectMake(context, Type_privateData::Class_, internal); |
| 973 | } |
| 974 | |
| 975 | static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { |
| 976 | JSObjectRef global(CYGetGlobalObject(context)); |
| 977 | JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript")))); |
| 978 | JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls")))); |
| 979 | |
| 980 | for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i) |
| 981 | if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) |
| 982 | if (JSValueRef value = CYGetProperty(context, space, property)) |
| 983 | if (!JSValueIsUndefined(context, value)) |
| 984 | return value; |
| 985 | |
| 986 | CYPool pool; |
| 987 | CYUTF8String name(CYPoolUTF8String(pool, context, property)); |
| 988 | |
| 989 | size_t length(name.size); |
| 990 | char keyed[length + 2]; |
| 991 | memcpy(keyed + 1, name.data, length + 1); |
| 992 | |
| 993 | static const char *modes = "0124"; |
| 994 | for (size_t i(0); i != 4; ++i) { |
| 995 | char mode(modes[i]); |
| 996 | keyed[0] = mode; |
| 997 | |
| 998 | if (CYBridgeEntry *entry = CYBridgeHash(keyed, length + 1)) |
| 999 | switch (mode) { |
| 1000 | case '0': |
| 1001 | return JSEvaluateScript(CYGetJSContext(context), CYJSString(entry->value_), NULL, NULL, 0, NULL); |
| 1002 | |
| 1003 | case '1': |
| 1004 | return CYMakeFunctor(context, name.data, entry->value_, &entry->cache_); |
| 1005 | |
| 1006 | case '2': |
| 1007 | if (void *symbol = CYCastSymbol(name.data)) { |
| 1008 | // XXX: this is horrendously inefficient |
| 1009 | sig::Signature signature; |
| 1010 | sig::Parse(pool, &signature, entry->value_, &Structor_); |
| 1011 | ffi_cif cif; |
| 1012 | sig::sig_ffi_cif(pool, &sig::ObjectiveC, &signature, &cif); |
| 1013 | return CYFromFFI(context, signature.elements[0].type, cif.rtype, symbol); |
| 1014 | } else return NULL; |
| 1015 | |
| 1016 | // XXX: implement case 3 |
| 1017 | case '4': |
| 1018 | return CYMakeType(context, entry->value_); |
| 1019 | } |
| 1020 | } |
| 1021 | |
| 1022 | return NULL; |
| 1023 | } CYCatch(NULL) } |
| 1024 | |
| 1025 | static void All_getPropertyNames(JSContextRef context, JSObjectRef object, JSPropertyNameAccumulatorRef names) { |
| 1026 | JSObjectRef global(CYGetGlobalObject(context)); |
| 1027 | JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript")))); |
| 1028 | JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls")))); |
| 1029 | |
| 1030 | for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i) |
| 1031 | if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) { |
| 1032 | JSPropertyNameArrayRef subset(JSObjectCopyPropertyNames(context, space)); |
| 1033 | for (size_t index(0), count(JSPropertyNameArrayGetCount(subset)); index != count; ++index) |
| 1034 | JSPropertyNameAccumulatorAddName(names, JSPropertyNameArrayGetNameAtIndex(subset, index)); |
| 1035 | JSPropertyNameArrayRelease(subset); |
| 1036 | } |
| 1037 | } |
| 1038 | |
| 1039 | static JSObjectRef Pointer_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1040 | if (count != 2) |
| 1041 | throw CYJSError(context, "incorrect number of arguments to Pointer constructor"); |
| 1042 | |
| 1043 | CYPool pool; |
| 1044 | |
| 1045 | void *value(CYCastPointer<void *>(context, arguments[0])); |
| 1046 | const char *type(CYPoolCString(pool, context, arguments[1])); |
| 1047 | |
| 1048 | sig::Signature signature; |
| 1049 | sig::Parse(pool, &signature, type, &Structor_); |
| 1050 | |
| 1051 | return CYMakePointer(context, value, _not(size_t), signature.elements[0].type, NULL, NULL); |
| 1052 | } CYCatch(NULL) } |
| 1053 | |
| 1054 | static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1055 | if (count != 1) |
| 1056 | throw CYJSError(context, "incorrect number of arguments to Type constructor"); |
| 1057 | CYPool pool; |
| 1058 | const char *type(CYPoolCString(pool, context, arguments[0])); |
| 1059 | return CYMakeType(context, type); |
| 1060 | } CYCatch(NULL) } |
| 1061 | |
| 1062 | static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1063 | if (count != 1) |
| 1064 | throw CYJSError(context, "incorrect number of arguments to Type.arrayOf"); |
| 1065 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this))); |
| 1066 | |
| 1067 | CYPool pool; |
| 1068 | size_t index(CYGetIndex(pool, context, CYJSString(context, arguments[0]))); |
| 1069 | if (index == _not(size_t)) |
| 1070 | throw CYJSError(context, "invalid array size used with Type.arrayOf"); |
| 1071 | |
| 1072 | sig::Type type; |
| 1073 | type.name = NULL; |
| 1074 | type.flags = 0; |
| 1075 | |
| 1076 | type.primitive = sig::array_P; |
| 1077 | type.data.data.type = internal->type_; |
| 1078 | type.data.data.size = index; |
| 1079 | |
| 1080 | return CYMakeType(context, &type); |
| 1081 | } CYCatch(NULL) } |
| 1082 | |
| 1083 | static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1084 | if (count != 0) |
| 1085 | throw CYJSError(context, "incorrect number of arguments to Type.constant"); |
| 1086 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this))); |
| 1087 | |
| 1088 | sig::Type type(*internal->type_); |
| 1089 | type.flags |= JOC_TYPE_CONST; |
| 1090 | return CYMakeType(context, &type); |
| 1091 | } CYCatch(NULL) } |
| 1092 | |
| 1093 | static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1094 | if (count != 0) |
| 1095 | throw CYJSError(context, "incorrect number of arguments to Type.pointerTo"); |
| 1096 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this))); |
| 1097 | |
| 1098 | sig::Type type; |
| 1099 | type.name = NULL; |
| 1100 | type.flags = 0; |
| 1101 | |
| 1102 | type.primitive = sig::pointer_P; |
| 1103 | type.data.data.type = internal->type_; |
| 1104 | type.data.data.size = 0; |
| 1105 | |
| 1106 | return CYMakeType(context, &type); |
| 1107 | } CYCatch(NULL) } |
| 1108 | |
| 1109 | static JSValueRef Type_callAsFunction_withName(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1110 | if (count != 1) |
| 1111 | throw CYJSError(context, "incorrect number of arguments to Type.withName"); |
| 1112 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this))); |
| 1113 | |
| 1114 | CYPool pool; |
| 1115 | const char *name(CYPoolCString(pool, context, arguments[0])); |
| 1116 | |
| 1117 | sig::Type type(*internal->type_); |
| 1118 | type.name = name; |
| 1119 | return CYMakeType(context, &type); |
| 1120 | } CYCatch(NULL) } |
| 1121 | |
| 1122 | static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1123 | if (count != 1) |
| 1124 | throw CYJSError(context, "incorrect number of arguments to type cast function"); |
| 1125 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object))); |
| 1126 | |
| 1127 | sig::Type *type(internal->type_); |
| 1128 | ffi_type *ffi(internal->GetFFI()); |
| 1129 | // XXX: alignment? |
| 1130 | uint8_t value[ffi->size]; |
| 1131 | CYPool pool; |
| 1132 | CYPoolFFI(pool, context, type, ffi, value, arguments[0]); |
| 1133 | return CYFromFFI(context, type, ffi, value); |
| 1134 | } CYCatch(NULL) } |
| 1135 | |
| 1136 | static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1137 | if (count != 0) |
| 1138 | throw CYJSError(context, "incorrect number of arguments to Type allocator"); |
| 1139 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object))); |
| 1140 | |
| 1141 | sig::Type *type(internal->type_); |
| 1142 | size_t length; |
| 1143 | |
| 1144 | if (type->primitive != sig::array_P) |
| 1145 | length = _not(size_t); |
| 1146 | else { |
| 1147 | length = type->data.data.size; |
| 1148 | type = type->data.data.type; |
| 1149 | } |
| 1150 | |
| 1151 | void *value(malloc(internal->GetFFI()->size)); |
| 1152 | return CYMakePointer(context, value, length, type, NULL, NULL); |
| 1153 | } CYCatch(NULL) } |
| 1154 | |
| 1155 | static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1156 | if (count != 2) |
| 1157 | throw CYJSError(context, "incorrect number of arguments to Functor constructor"); |
| 1158 | CYPool pool; |
| 1159 | const char *type(CYPoolCString(pool, context, arguments[1])); |
| 1160 | return CYMakeFunctor(context, arguments[0], type); |
| 1161 | } CYCatch(NULL) } |
| 1162 | |
| 1163 | static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1164 | CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this))); |
| 1165 | return CYCastJSValue(context, reinterpret_cast<uintptr_t>(internal->value_)); |
| 1166 | } CYCatch(NULL) } |
| 1167 | |
| 1168 | static JSValueRef CYValue_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { |
| 1169 | return CYValue_callAsFunction_valueOf(context, object, _this, count, arguments, exception); |
| 1170 | } |
| 1171 | |
| 1172 | static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1173 | CYValue *internal(reinterpret_cast<CYValue *>(JSObjectGetPrivate(_this))); |
| 1174 | char string[32]; |
| 1175 | sprintf(string, "%p", internal->value_); |
| 1176 | return CYCastJSValue(context, string); |
| 1177 | } CYCatch(NULL) } |
| 1178 | |
| 1179 | static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1180 | Pointer *internal(reinterpret_cast<Pointer *>(JSObjectGetPrivate(_this))); |
| 1181 | if (internal->length_ != _not(size_t)) { |
| 1182 | JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype"))); |
| 1183 | JSObjectRef toCYON(CYCastJSObject(context, CYGetProperty(context, Array, toCYON_s))); |
| 1184 | return CYCallAsFunction(context, toCYON, _this, count, arguments); |
| 1185 | } else { |
| 1186 | char string[32]; |
| 1187 | sprintf(string, "%p", internal->value_); |
| 1188 | return CYCastJSValue(context, string); |
| 1189 | } |
| 1190 | } CYCatch(NULL) } |
| 1191 | |
| 1192 | static JSValueRef Type_getProperty_alignment(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { |
| 1193 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object))); |
| 1194 | return CYCastJSValue(context, internal->GetFFI()->alignment); |
| 1195 | } |
| 1196 | |
| 1197 | static JSValueRef Type_getProperty_name(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { |
| 1198 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object))); |
| 1199 | return CYCastJSValue(context, internal->type_->name); |
| 1200 | } |
| 1201 | |
| 1202 | static JSValueRef Type_getProperty_size(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { |
| 1203 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(object))); |
| 1204 | return CYCastJSValue(context, internal->GetFFI()->size); |
| 1205 | } |
| 1206 | |
| 1207 | static JSValueRef Type_callAsFunction_toString(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1208 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this))); |
| 1209 | CYPool pool; |
| 1210 | const char *type(sig::Unparse(pool, internal->type_)); |
| 1211 | return CYCastJSValue(context, CYJSString(type)); |
| 1212 | } CYCatch(NULL) } |
| 1213 | |
| 1214 | static JSValueRef Type_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { |
| 1215 | Type_privateData *internal(reinterpret_cast<Type_privateData *>(JSObjectGetPrivate(_this))); |
| 1216 | CYPool pool; |
| 1217 | const char *type(sig::Unparse(pool, internal->type_)); |
| 1218 | std::ostringstream str; |
| 1219 | CYStringify(str, type, strlen(type)); |
| 1220 | char *cyon(apr_pstrcat(pool, "new Type(", str.str().c_str(), ")", NULL)); |
| 1221 | return CYCastJSValue(context, CYJSString(cyon)); |
| 1222 | } CYCatch(NULL) } |
| 1223 | |
| 1224 | static JSValueRef Type_callAsFunction_toJSON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { |
| 1225 | return Type_callAsFunction_toString(context, object, _this, count, arguments, exception); |
| 1226 | } |
| 1227 | |
| 1228 | static JSStaticFunction Pointer_staticFunctions[4] = { |
| 1229 | {"toCYON", &Pointer_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1230 | {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1231 | {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1232 | {NULL, NULL, 0} |
| 1233 | }; |
| 1234 | |
| 1235 | static JSStaticFunction Struct_staticFunctions[2] = { |
| 1236 | {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1237 | {NULL, NULL, 0} |
| 1238 | }; |
| 1239 | |
| 1240 | static JSStaticFunction Functor_staticFunctions[4] = { |
| 1241 | {"toCYON", &CYValue_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1242 | {"toJSON", &CYValue_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1243 | {"valueOf", &CYValue_callAsFunction_valueOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1244 | {NULL, NULL, 0} |
| 1245 | }; |
| 1246 | |
| 1247 | namespace cy { |
| 1248 | JSStaticFunction const * const Functor::StaticFunctions = Functor_staticFunctions; |
| 1249 | } |
| 1250 | |
| 1251 | static JSStaticValue Type_staticValues[4] = { |
| 1252 | {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1253 | {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1254 | {"size", &Type_getProperty_size, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1255 | {NULL, NULL, NULL, 0} |
| 1256 | }; |
| 1257 | |
| 1258 | static JSStaticFunction Type_staticFunctions[8] = { |
| 1259 | {"arrayOf", &Type_callAsFunction_arrayOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1260 | {"constant", &Type_callAsFunction_constant, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1261 | {"pointerTo", &Type_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1262 | {"withName", &Type_callAsFunction_withName, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1263 | {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1264 | {"toJSON", &Type_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1265 | {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, |
| 1266 | {NULL, NULL, 0} |
| 1267 | }; |
| 1268 | |
| 1269 | static JSObjectRef (*JSObjectMakeArray$)(JSContextRef, size_t, const JSValueRef[], JSValueRef *); |
| 1270 | |
| 1271 | void CYSetArgs(int argc, const char *argv[]) { |
| 1272 | JSContextRef context(CYGetJSContext()); |
| 1273 | JSValueRef args[argc]; |
| 1274 | for (int i(0); i != argc; ++i) |
| 1275 | args[i] = CYCastJSValue(context, argv[i]); |
| 1276 | |
| 1277 | JSObjectRef array; |
| 1278 | if (JSObjectMakeArray$ != NULL) { |
| 1279 | JSValueRef exception(NULL); |
| 1280 | array = (*JSObjectMakeArray$)(context, argc, args, &exception); |
| 1281 | CYThrow(context, exception); |
| 1282 | } else { |
| 1283 | JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array"))); |
| 1284 | JSValueRef value(CYCallAsFunction(context, Array, NULL, argc, args)); |
| 1285 | array = CYCastJSObject(context, value); |
| 1286 | } |
| 1287 | |
| 1288 | JSObjectRef System(CYGetCachedObject(context, CYJSString("System"))); |
| 1289 | CYSetProperty(context, System, CYJSString("args"), array); |
| 1290 | } |
| 1291 | |
| 1292 | JSObjectRef CYGetGlobalObject(JSContextRef context) { |
| 1293 | return JSContextGetGlobalObject(context); |
| 1294 | } |
| 1295 | |
| 1296 | const char *CYExecute(apr_pool_t *pool, CYUTF8String code) { |
| 1297 | JSContextRef context(CYGetJSContext()); |
| 1298 | JSValueRef exception(NULL), result; |
| 1299 | |
| 1300 | void *handle; |
| 1301 | if (hooks_ != NULL && hooks_->ExecuteStart != NULL) |
| 1302 | handle = (*hooks_->ExecuteStart)(context); |
| 1303 | else |
| 1304 | handle = NULL; |
| 1305 | |
| 1306 | const char *json; |
| 1307 | |
| 1308 | try { |
| 1309 | result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception); |
| 1310 | } catch (const char *error) { |
| 1311 | return error; |
| 1312 | } |
| 1313 | |
| 1314 | if (exception != NULL) error: |
| 1315 | return CYPoolCString(pool, context, CYJSString(context, exception)); |
| 1316 | |
| 1317 | if (JSValueIsUndefined(context, result)) |
| 1318 | return NULL; |
| 1319 | |
| 1320 | try { |
| 1321 | json = CYPoolCCYON(pool, context, result, &exception); |
| 1322 | } catch (const char *error) { |
| 1323 | return error; |
| 1324 | } |
| 1325 | |
| 1326 | if (exception != NULL) |
| 1327 | goto error; |
| 1328 | |
| 1329 | CYSetProperty(context, CYGetGlobalObject(context), Result_, result); |
| 1330 | |
| 1331 | if (hooks_ != NULL && hooks_->ExecuteEnd != NULL) |
| 1332 | (*hooks_->ExecuteEnd)(context, handle); |
| 1333 | return json; |
| 1334 | } |
| 1335 | |
| 1336 | extern "C" void CydgetSetupContext(JSGlobalContextRef context) { |
| 1337 | CYSetupContext(context); |
| 1338 | } |
| 1339 | |
| 1340 | static bool initialized_ = false; |
| 1341 | |
| 1342 | void CYInitializeDynamic() { |
| 1343 | if (!initialized_) |
| 1344 | initialized_ = true; |
| 1345 | else return; |
| 1346 | |
| 1347 | CYInitializeStatic(); |
| 1348 | |
| 1349 | JSObjectMakeArray$ = reinterpret_cast<JSObjectRef (*)(JSContextRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(RTLD_DEFAULT, "JSObjectMakeArray")); |
| 1350 | |
| 1351 | JSClassDefinition definition; |
| 1352 | |
| 1353 | definition = kJSClassDefinitionEmpty; |
| 1354 | definition.className = "All"; |
| 1355 | definition.getProperty = &All_getProperty; |
| 1356 | definition.getPropertyNames = &All_getPropertyNames; |
| 1357 | All_ = JSClassCreate(&definition); |
| 1358 | |
| 1359 | definition = kJSClassDefinitionEmpty; |
| 1360 | definition.className = "Context"; |
| 1361 | definition.finalize = &CYFinalize; |
| 1362 | Context_ = JSClassCreate(&definition); |
| 1363 | |
| 1364 | definition = kJSClassDefinitionEmpty; |
| 1365 | definition.className = "Functor"; |
| 1366 | definition.staticFunctions = cy::Functor::StaticFunctions; |
| 1367 | definition.callAsFunction = &Functor_callAsFunction; |
| 1368 | definition.finalize = &CYFinalize; |
| 1369 | Functor_ = JSClassCreate(&definition); |
| 1370 | |
| 1371 | definition = kJSClassDefinitionEmpty; |
| 1372 | definition.className = "Pointer"; |
| 1373 | definition.staticFunctions = Pointer_staticFunctions; |
| 1374 | definition.getProperty = &Pointer_getProperty; |
| 1375 | definition.setProperty = &Pointer_setProperty; |
| 1376 | definition.finalize = &CYFinalize; |
| 1377 | Pointer_ = JSClassCreate(&definition); |
| 1378 | |
| 1379 | definition = kJSClassDefinitionEmpty; |
| 1380 | definition.className = "Struct"; |
| 1381 | definition.staticFunctions = Struct_staticFunctions; |
| 1382 | definition.getProperty = &Struct_getProperty; |
| 1383 | definition.setProperty = &Struct_setProperty; |
| 1384 | definition.getPropertyNames = &Struct_getPropertyNames; |
| 1385 | definition.finalize = &CYFinalize; |
| 1386 | Struct_ = JSClassCreate(&definition); |
| 1387 | |
| 1388 | definition = kJSClassDefinitionEmpty; |
| 1389 | definition.className = "Type"; |
| 1390 | definition.staticValues = Type_staticValues; |
| 1391 | definition.staticFunctions = Type_staticFunctions; |
| 1392 | definition.callAsFunction = &Type_callAsFunction; |
| 1393 | definition.callAsConstructor = &Type_callAsConstructor; |
| 1394 | definition.finalize = &CYFinalize; |
| 1395 | Type_privateData::Class_ = JSClassCreate(&definition); |
| 1396 | |
| 1397 | definition = kJSClassDefinitionEmpty; |
| 1398 | definition.className = "Global"; |
| 1399 | //definition.getProperty = &Global_getProperty; |
| 1400 | Global_ = JSClassCreate(&definition); |
| 1401 | |
| 1402 | Array_s = JSStringCreateWithUTF8CString("Array"); |
| 1403 | cy_s = JSStringCreateWithUTF8CString("$cy"); |
| 1404 | length_s = JSStringCreateWithUTF8CString("length"); |
| 1405 | message_s = JSStringCreateWithUTF8CString("message"); |
| 1406 | name_s = JSStringCreateWithUTF8CString("name"); |
| 1407 | pop_s = JSStringCreateWithUTF8CString("pop"); |
| 1408 | prototype_s = JSStringCreateWithUTF8CString("prototype"); |
| 1409 | push_s = JSStringCreateWithUTF8CString("push"); |
| 1410 | splice_s = JSStringCreateWithUTF8CString("splice"); |
| 1411 | toCYON_s = JSStringCreateWithUTF8CString("toCYON"); |
| 1412 | toJSON_s = JSStringCreateWithUTF8CString("toJSON"); |
| 1413 | toPointer_s = JSStringCreateWithUTF8CString("toPointer"); |
| 1414 | toString_s = JSStringCreateWithUTF8CString("toString"); |
| 1415 | |
| 1416 | Result_ = JSStringCreateWithUTF8CString("_"); |
| 1417 | |
| 1418 | if (hooks_ != NULL && hooks_->Initialize != NULL) |
| 1419 | (*hooks_->Initialize)(); |
| 1420 | } |
| 1421 | |
| 1422 | void CYThrow(JSContextRef context, JSValueRef value) { |
| 1423 | if (value != NULL) |
| 1424 | throw CYJSError(context, value); |
| 1425 | } |
| 1426 | |
| 1427 | const char *CYJSError::PoolCString(apr_pool_t *pool) const { |
| 1428 | // XXX: this used to be CYPoolCString |
| 1429 | return CYPoolCCYON(pool, context_, value_); |
| 1430 | } |
| 1431 | |
| 1432 | JSValueRef CYJSError::CastJSValue(JSContextRef context) const { |
| 1433 | // XXX: what if the context is different? |
| 1434 | return value_; |
| 1435 | } |
| 1436 | |
| 1437 | JSValueRef CYCastJSError(JSContextRef context, const char *message) { |
| 1438 | JSObjectRef Error(CYGetCachedObject(context, CYJSString("Error"))); |
| 1439 | |
| 1440 | JSValueRef arguments[1] = {CYCastJSValue(context, message)}; |
| 1441 | |
| 1442 | JSValueRef exception(NULL); |
| 1443 | JSValueRef value(JSObjectCallAsConstructor(context, Error, 1, arguments, &exception)); |
| 1444 | CYThrow(context, exception); |
| 1445 | |
| 1446 | return value; |
| 1447 | } |
| 1448 | |
| 1449 | JSValueRef CYPoolError::CastJSValue(JSContextRef context) const { |
| 1450 | return CYCastJSError(context, message_); |
| 1451 | } |
| 1452 | |
| 1453 | CYJSError::CYJSError(JSContextRef context, const char *format, ...) { |
| 1454 | _assert(context != NULL); |
| 1455 | |
| 1456 | CYPool pool; |
| 1457 | |
| 1458 | va_list args; |
| 1459 | va_start(args, format); |
| 1460 | const char *message(apr_pvsprintf(pool, format, args)); |
| 1461 | va_end(args); |
| 1462 | |
| 1463 | value_ = CYCastJSError(context, message); |
| 1464 | } |
| 1465 | |
| 1466 | JSGlobalContextRef CYGetJSContext(JSContextRef context) { |
| 1467 | return reinterpret_cast<Context *>(JSObjectGetPrivate(CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s))))->context_; |
| 1468 | } |
| 1469 | |
| 1470 | extern "C" void CYSetupContext(JSGlobalContextRef context) { |
| 1471 | JSValueRef exception(NULL); |
| 1472 | |
| 1473 | CYInitializeDynamic(); |
| 1474 | |
| 1475 | JSObjectRef global(CYGetGlobalObject(context)); |
| 1476 | |
| 1477 | JSObjectRef cy(JSObjectMake(context, Context_, new Context(context))); |
| 1478 | CYSetProperty(context, global, cy_s, cy, kJSPropertyAttributeDontEnum); |
| 1479 | |
| 1480 | /* Cache Globals {{{ */ |
| 1481 | JSObjectRef Array(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Array")))); |
| 1482 | CYSetProperty(context, cy, CYJSString("Array"), Array); |
| 1483 | |
| 1484 | JSObjectRef Array_prototype(CYCastJSObject(context, CYGetProperty(context, Array, prototype_s))); |
| 1485 | CYSetProperty(context, cy, CYJSString("Array_prototype"), Array_prototype); |
| 1486 | |
| 1487 | JSObjectRef Error(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error")))); |
| 1488 | CYSetProperty(context, cy, CYJSString("Error"), Error); |
| 1489 | |
| 1490 | JSObjectRef Function(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function")))); |
| 1491 | CYSetProperty(context, cy, CYJSString("Function"), Function); |
| 1492 | |
| 1493 | JSObjectRef Function_prototype(CYCastJSObject(context, CYGetProperty(context, Function, prototype_s))); |
| 1494 | CYSetProperty(context, cy, CYJSString("Function_prototype"), Function_prototype); |
| 1495 | |
| 1496 | JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object")))); |
| 1497 | CYSetProperty(context, cy, CYJSString("Object"), Object); |
| 1498 | |
| 1499 | JSObjectRef Object_prototype(CYCastJSObject(context, CYGetProperty(context, Object, prototype_s))); |
| 1500 | CYSetProperty(context, cy, CYJSString("Object_prototype"), Object_prototype); |
| 1501 | |
| 1502 | JSObjectRef String(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("String")))); |
| 1503 | CYSetProperty(context, cy, CYJSString("String"), String); |
| 1504 | |
| 1505 | JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s))); |
| 1506 | CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype); |
| 1507 | /* }}} */ |
| 1508 | |
| 1509 | CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum); |
| 1510 | CYSetProperty(context, String_prototype, toCYON_s, &String_callAsFunction_toCYON, kJSPropertyAttributeDontEnum); |
| 1511 | |
| 1512 | JSObjectRef cycript(JSObjectMake(context, NULL, NULL)); |
| 1513 | CYSetProperty(context, global, CYJSString("Cycript"), cycript); |
| 1514 | CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction); |
| 1515 | |
| 1516 | JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new)); |
| 1517 | JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)), Function_prototype); |
| 1518 | CYSetProperty(context, cycript, CYJSString("Functor"), Functor); |
| 1519 | |
| 1520 | CYSetProperty(context, cycript, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new)); |
| 1521 | CYSetProperty(context, cycript, CYJSString("Type"), JSObjectMakeConstructor(context, Type_privateData::Class_, &Type_new)); |
| 1522 | |
| 1523 | JSObjectRef all(JSObjectMake(context, All_, NULL)); |
| 1524 | CYSetProperty(context, cycript, CYJSString("all"), all); |
| 1525 | |
| 1526 | JSObjectRef alls(JSObjectCallAsConstructor(context, Array, 0, NULL, &exception)); |
| 1527 | CYThrow(context, exception); |
| 1528 | CYSetProperty(context, cycript, CYJSString("alls"), alls); |
| 1529 | |
| 1530 | if (true) { |
| 1531 | JSObjectRef last(NULL), curr(global); |
| 1532 | |
| 1533 | goto next; for (JSValueRef next;;) { |
| 1534 | if (JSValueIsNull(context, next)) |
| 1535 | break; |
| 1536 | last = curr; |
| 1537 | curr = CYCastJSObject(context, next); |
| 1538 | next: |
| 1539 | next = JSObjectGetPrototype(context, curr); |
| 1540 | } |
| 1541 | |
| 1542 | JSObjectSetPrototype(context, last, all); |
| 1543 | } |
| 1544 | |
| 1545 | CYSetProperty(context, global, CYJSString("$cyq"), &$cyq, kJSPropertyAttributeDontEnum); |
| 1546 | |
| 1547 | JSObjectRef System(JSObjectMake(context, NULL, NULL)); |
| 1548 | CYSetProperty(context, cy, CYJSString("System"), System); |
| 1549 | |
| 1550 | CYSetProperty(context, global, CYJSString("system"), System); |
| 1551 | CYSetProperty(context, System, CYJSString("args"), CYJSNull(context)); |
| 1552 | //CYSetProperty(context, System, CYJSString("global"), global); |
| 1553 | CYSetProperty(context, System, CYJSString("print"), &System_print); |
| 1554 | |
| 1555 | if (CYBridgeEntry *entry = CYBridgeHash("1dlerror", 8)) |
| 1556 | entry->cache_ = new cy::Functor(entry->value_, reinterpret_cast<void (*)()>(&dlerror)); |
| 1557 | |
| 1558 | if (hooks_ != NULL && hooks_->SetupContext != NULL) |
| 1559 | (*hooks_->SetupContext)(context); |
| 1560 | |
| 1561 | CYArrayPush(context, alls, cycript); |
| 1562 | } |
| 1563 | |
| 1564 | JSGlobalContextRef CYGetJSContext() { |
| 1565 | CYInitializeDynamic(); |
| 1566 | |
| 1567 | static JSGlobalContextRef context_; |
| 1568 | |
| 1569 | if (context_ == NULL) { |
| 1570 | context_ = JSGlobalContextCreate(Global_); |
| 1571 | CYSetupContext(context_); |
| 1572 | } |
| 1573 | |
| 1574 | return context_; |
| 1575 | } |