Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1 | // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | |
| 30 | #include "api.h" |
| 31 | #include "arguments.h" |
| 32 | #include "bootstrapper.h" |
| 33 | #include "compiler.h" |
| 34 | #include "debug.h" |
| 35 | #include "execution.h" |
| 36 | #include "global-handles.h" |
| 37 | #include "platform.h" |
| 38 | #include "serialize.h" |
| 39 | #include "snapshot.h" |
| 40 | #include "v8threads.h" |
| 41 | #include "version.h" |
| 42 | |
| 43 | |
| 44 | #define LOG_API(expr) LOG(ApiEntryCall(expr)) |
| 45 | |
| 46 | #ifdef ENABLE_HEAP_PROTECTION |
| 47 | #define ENTER_V8 i::VMState __state__(i::OTHER) |
| 48 | #define LEAVE_V8 i::VMState __state__(i::EXTERNAL) |
| 49 | #else |
| 50 | #define ENTER_V8 ((void) 0) |
| 51 | #define LEAVE_V8 ((void) 0) |
| 52 | #endif |
| 53 | |
| 54 | namespace v8 { |
| 55 | |
| 56 | |
| 57 | #define ON_BAILOUT(location, code) \ |
| 58 | if (IsDeadCheck(location)) { \ |
| 59 | code; \ |
| 60 | UNREACHABLE(); \ |
| 61 | } |
| 62 | |
| 63 | |
| 64 | #define EXCEPTION_PREAMBLE() \ |
| 65 | thread_local.IncrementCallDepth(); \ |
| 66 | ASSERT(!i::Top::external_caught_exception()); \ |
| 67 | bool has_pending_exception = false |
| 68 | |
| 69 | |
| 70 | #define EXCEPTION_BAILOUT_CHECK(value) \ |
| 71 | do { \ |
| 72 | thread_local.DecrementCallDepth(); \ |
| 73 | if (has_pending_exception) { \ |
| 74 | if (thread_local.CallDepthIsZero() && i::Top::is_out_of_memory()) { \ |
| 75 | if (!thread_local.ignore_out_of_memory()) \ |
| 76 | i::V8::FatalProcessOutOfMemory(NULL); \ |
| 77 | } \ |
| 78 | bool call_depth_is_zero = thread_local.CallDepthIsZero(); \ |
| 79 | i::Top::OptionalRescheduleException(call_depth_is_zero); \ |
| 80 | return value; \ |
| 81 | } \ |
| 82 | } while (false) |
| 83 | |
| 84 | |
| 85 | #define API_ENTRY_CHECK(msg) \ |
| 86 | do { \ |
| 87 | if (v8::Locker::IsActive()) { \ |
| 88 | ApiCheck(i::ThreadManager::IsLockedByCurrentThread(), \ |
| 89 | msg, \ |
| 90 | "Entering the V8 API without proper locking in place"); \ |
| 91 | } \ |
| 92 | } while (false) |
| 93 | |
| 94 | // --- D a t a t h a t i s s p e c i f i c t o a t h r e a d --- |
| 95 | |
| 96 | |
| 97 | static i::HandleScopeImplementer thread_local; |
| 98 | |
| 99 | |
| 100 | // --- E x c e p t i o n B e h a v i o r --- |
| 101 | |
| 102 | |
| 103 | static FatalErrorCallback exception_behavior = NULL; |
| 104 | int i::Internals::kJSObjectType = JS_OBJECT_TYPE; |
| 105 | int i::Internals::kFirstNonstringType = FIRST_NONSTRING_TYPE; |
| 106 | int i::Internals::kProxyType = PROXY_TYPE; |
| 107 | |
| 108 | static void DefaultFatalErrorHandler(const char* location, |
| 109 | const char* message) { |
| 110 | ENTER_V8; |
| 111 | API_Fatal(location, message); |
| 112 | } |
| 113 | |
| 114 | |
| 115 | |
| 116 | static FatalErrorCallback& GetFatalErrorHandler() { |
| 117 | if (exception_behavior == NULL) { |
| 118 | exception_behavior = DefaultFatalErrorHandler; |
| 119 | } |
| 120 | return exception_behavior; |
| 121 | } |
| 122 | |
| 123 | |
| 124 | |
| 125 | // When V8 cannot allocated memory FatalProcessOutOfMemory is called. |
| 126 | // The default fatal error handler is called and execution is stopped. |
| 127 | void i::V8::FatalProcessOutOfMemory(const char* location) { |
| 128 | i::V8::SetFatalError(); |
| 129 | FatalErrorCallback callback = GetFatalErrorHandler(); |
| 130 | { |
| 131 | LEAVE_V8; |
| 132 | callback(location, "Allocation failed - process out of memory"); |
| 133 | } |
| 134 | // If the callback returns, we stop execution. |
| 135 | UNREACHABLE(); |
| 136 | } |
| 137 | |
| 138 | |
| 139 | void V8::SetFatalErrorHandler(FatalErrorCallback that) { |
| 140 | exception_behavior = that; |
| 141 | } |
| 142 | |
| 143 | |
| 144 | bool Utils::ReportApiFailure(const char* location, const char* message) { |
| 145 | FatalErrorCallback callback = GetFatalErrorHandler(); |
| 146 | callback(location, message); |
| 147 | i::V8::SetFatalError(); |
| 148 | return false; |
| 149 | } |
| 150 | |
| 151 | |
| 152 | bool V8::IsDead() { |
| 153 | return i::V8::IsDead(); |
| 154 | } |
| 155 | |
| 156 | |
| 157 | static inline bool ApiCheck(bool condition, |
| 158 | const char* location, |
| 159 | const char* message) { |
| 160 | return condition ? true : Utils::ReportApiFailure(location, message); |
| 161 | } |
| 162 | |
| 163 | |
| 164 | static bool ReportV8Dead(const char* location) { |
| 165 | FatalErrorCallback callback = GetFatalErrorHandler(); |
| 166 | callback(location, "V8 is no longer usable"); |
| 167 | return true; |
| 168 | } |
| 169 | |
| 170 | |
| 171 | static bool ReportEmptyHandle(const char* location) { |
| 172 | FatalErrorCallback callback = GetFatalErrorHandler(); |
| 173 | callback(location, "Reading from empty handle"); |
| 174 | return true; |
| 175 | } |
| 176 | |
| 177 | |
| 178 | /** |
| 179 | * IsDeadCheck checks that the vm is usable. If, for instance, the vm has been |
| 180 | * out of memory at some point this check will fail. It should be called on |
| 181 | * entry to all methods that touch anything in the heap, except destructors |
| 182 | * which you sometimes can't avoid calling after the vm has crashed. Functions |
| 183 | * that call EnsureInitialized or ON_BAILOUT don't have to also call |
| 184 | * IsDeadCheck. ON_BAILOUT has the advantage over EnsureInitialized that you |
| 185 | * can arrange to return if the VM is dead. This is needed to ensure that no VM |
| 186 | * heap allocations are attempted on a dead VM. EnsureInitialized has the |
| 187 | * advantage over ON_BAILOUT that it actually initializes the VM if this has not |
| 188 | * yet been done. |
| 189 | */ |
| 190 | static inline bool IsDeadCheck(const char* location) { |
| 191 | return !i::V8::IsRunning() |
| 192 | && i::V8::IsDead() ? ReportV8Dead(location) : false; |
| 193 | } |
| 194 | |
| 195 | |
| 196 | static inline bool EmptyCheck(const char* location, v8::Handle<v8::Data> obj) { |
| 197 | return obj.IsEmpty() ? ReportEmptyHandle(location) : false; |
| 198 | } |
| 199 | |
| 200 | |
| 201 | static inline bool EmptyCheck(const char* location, const v8::Data* obj) { |
| 202 | return (obj == 0) ? ReportEmptyHandle(location) : false; |
| 203 | } |
| 204 | |
| 205 | // --- S t a t i c s --- |
| 206 | |
| 207 | |
| 208 | static i::StringInputBuffer write_input_buffer; |
| 209 | |
| 210 | |
| 211 | static inline bool EnsureInitialized(const char* location) { |
| 212 | if (i::V8::IsRunning()) { |
| 213 | return true; |
| 214 | } |
| 215 | if (IsDeadCheck(location)) { |
| 216 | return false; |
| 217 | } |
| 218 | return ApiCheck(v8::V8::Initialize(), location, "Error initializing V8"); |
| 219 | } |
| 220 | |
| 221 | |
| 222 | ImplementationUtilities::HandleScopeData* |
| 223 | ImplementationUtilities::CurrentHandleScope() { |
| 224 | return &i::HandleScope::current_; |
| 225 | } |
| 226 | |
| 227 | |
| 228 | #ifdef DEBUG |
| 229 | void ImplementationUtilities::ZapHandleRange(i::Object** begin, |
| 230 | i::Object** end) { |
| 231 | i::HandleScope::ZapRange(begin, end); |
| 232 | } |
| 233 | #endif |
| 234 | |
| 235 | |
| 236 | v8::Handle<v8::Primitive> ImplementationUtilities::Undefined() { |
| 237 | if (!EnsureInitialized("v8::Undefined()")) return v8::Handle<v8::Primitive>(); |
| 238 | return v8::Handle<Primitive>(ToApi<Primitive>(i::Factory::undefined_value())); |
| 239 | } |
| 240 | |
| 241 | |
| 242 | v8::Handle<v8::Primitive> ImplementationUtilities::Null() { |
| 243 | if (!EnsureInitialized("v8::Null()")) return v8::Handle<v8::Primitive>(); |
| 244 | return v8::Handle<Primitive>(ToApi<Primitive>(i::Factory::null_value())); |
| 245 | } |
| 246 | |
| 247 | |
| 248 | v8::Handle<v8::Boolean> ImplementationUtilities::True() { |
| 249 | if (!EnsureInitialized("v8::True()")) return v8::Handle<v8::Boolean>(); |
| 250 | return v8::Handle<v8::Boolean>(ToApi<Boolean>(i::Factory::true_value())); |
| 251 | } |
| 252 | |
| 253 | |
| 254 | v8::Handle<v8::Boolean> ImplementationUtilities::False() { |
| 255 | if (!EnsureInitialized("v8::False()")) return v8::Handle<v8::Boolean>(); |
| 256 | return v8::Handle<v8::Boolean>(ToApi<Boolean>(i::Factory::false_value())); |
| 257 | } |
| 258 | |
| 259 | |
| 260 | void V8::SetFlagsFromString(const char* str, int length) { |
| 261 | i::FlagList::SetFlagsFromString(str, length); |
| 262 | } |
| 263 | |
| 264 | |
| 265 | void V8::SetFlagsFromCommandLine(int* argc, char** argv, bool remove_flags) { |
| 266 | i::FlagList::SetFlagsFromCommandLine(argc, argv, remove_flags); |
| 267 | } |
| 268 | |
| 269 | |
| 270 | v8::Handle<Value> ThrowException(v8::Handle<v8::Value> value) { |
| 271 | if (IsDeadCheck("v8::ThrowException()")) return v8::Handle<Value>(); |
| 272 | ENTER_V8; |
| 273 | // If we're passed an empty handle, we throw an undefined exception |
| 274 | // to deal more gracefully with out of memory situations. |
| 275 | if (value.IsEmpty()) { |
| 276 | i::Top::ScheduleThrow(i::Heap::undefined_value()); |
| 277 | } else { |
| 278 | i::Top::ScheduleThrow(*Utils::OpenHandle(*value)); |
| 279 | } |
| 280 | return v8::Undefined(); |
| 281 | } |
| 282 | |
| 283 | |
| 284 | RegisteredExtension* RegisteredExtension::first_extension_ = NULL; |
| 285 | |
| 286 | |
| 287 | RegisteredExtension::RegisteredExtension(Extension* extension) |
| 288 | : extension_(extension), state_(UNVISITED) { } |
| 289 | |
| 290 | |
| 291 | void RegisteredExtension::Register(RegisteredExtension* that) { |
| 292 | that->next_ = RegisteredExtension::first_extension_; |
| 293 | RegisteredExtension::first_extension_ = that; |
| 294 | } |
| 295 | |
| 296 | |
| 297 | void RegisterExtension(Extension* that) { |
| 298 | RegisteredExtension* extension = new RegisteredExtension(that); |
| 299 | RegisteredExtension::Register(extension); |
| 300 | } |
| 301 | |
| 302 | |
| 303 | Extension::Extension(const char* name, |
| 304 | const char* source, |
| 305 | int dep_count, |
| 306 | const char** deps) |
| 307 | : name_(name), |
| 308 | source_(source), |
| 309 | dep_count_(dep_count), |
| 310 | deps_(deps), |
| 311 | auto_enable_(false) { } |
| 312 | |
| 313 | |
| 314 | v8::Handle<Primitive> Undefined() { |
| 315 | LOG_API("Undefined"); |
| 316 | return ImplementationUtilities::Undefined(); |
| 317 | } |
| 318 | |
| 319 | |
| 320 | v8::Handle<Primitive> Null() { |
| 321 | LOG_API("Null"); |
| 322 | return ImplementationUtilities::Null(); |
| 323 | } |
| 324 | |
| 325 | |
| 326 | v8::Handle<Boolean> True() { |
| 327 | LOG_API("True"); |
| 328 | return ImplementationUtilities::True(); |
| 329 | } |
| 330 | |
| 331 | |
| 332 | v8::Handle<Boolean> False() { |
| 333 | LOG_API("False"); |
| 334 | return ImplementationUtilities::False(); |
| 335 | } |
| 336 | |
| 337 | |
| 338 | ResourceConstraints::ResourceConstraints() |
| 339 | : max_young_space_size_(0), |
| 340 | max_old_space_size_(0), |
| 341 | stack_limit_(NULL) { } |
| 342 | |
| 343 | |
| 344 | bool SetResourceConstraints(ResourceConstraints* constraints) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 345 | int young_space_size = constraints->max_young_space_size(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 346 | int old_gen_size = constraints->max_old_space_size(); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 347 | if (young_space_size != 0 || old_gen_size != 0) { |
| 348 | bool result = i::Heap::ConfigureHeap(young_space_size / 2, old_gen_size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 349 | if (!result) return false; |
| 350 | } |
| 351 | if (constraints->stack_limit() != NULL) { |
| 352 | uintptr_t limit = reinterpret_cast<uintptr_t>(constraints->stack_limit()); |
| 353 | i::StackGuard::SetStackLimit(limit); |
| 354 | } |
| 355 | return true; |
| 356 | } |
| 357 | |
| 358 | |
| 359 | i::Object** V8::GlobalizeReference(i::Object** obj) { |
| 360 | if (IsDeadCheck("V8::Persistent::New")) return NULL; |
| 361 | LOG_API("Persistent::New"); |
| 362 | i::Handle<i::Object> result = |
| 363 | i::GlobalHandles::Create(*obj); |
| 364 | return result.location(); |
| 365 | } |
| 366 | |
| 367 | |
| 368 | void V8::MakeWeak(i::Object** object, void* parameters, |
| 369 | WeakReferenceCallback callback) { |
| 370 | LOG_API("MakeWeak"); |
| 371 | i::GlobalHandles::MakeWeak(object, parameters, callback); |
| 372 | } |
| 373 | |
| 374 | |
| 375 | void V8::ClearWeak(i::Object** obj) { |
| 376 | LOG_API("ClearWeak"); |
| 377 | i::GlobalHandles::ClearWeakness(obj); |
| 378 | } |
| 379 | |
| 380 | |
| 381 | bool V8::IsGlobalNearDeath(i::Object** obj) { |
| 382 | LOG_API("IsGlobalNearDeath"); |
| 383 | if (!i::V8::IsRunning()) return false; |
| 384 | return i::GlobalHandles::IsNearDeath(obj); |
| 385 | } |
| 386 | |
| 387 | |
| 388 | bool V8::IsGlobalWeak(i::Object** obj) { |
| 389 | LOG_API("IsGlobalWeak"); |
| 390 | if (!i::V8::IsRunning()) return false; |
| 391 | return i::GlobalHandles::IsWeak(obj); |
| 392 | } |
| 393 | |
| 394 | |
| 395 | void V8::DisposeGlobal(i::Object** obj) { |
| 396 | LOG_API("DisposeGlobal"); |
| 397 | if (!i::V8::IsRunning()) return; |
| 398 | if ((*obj)->IsGlobalContext()) i::Heap::NotifyContextDisposed(); |
| 399 | i::GlobalHandles::Destroy(obj); |
| 400 | } |
| 401 | |
| 402 | // --- H a n d l e s --- |
| 403 | |
| 404 | |
| 405 | HandleScope::HandleScope() : is_closed_(false) { |
| 406 | API_ENTRY_CHECK("HandleScope::HandleScope"); |
| 407 | i::HandleScope::Enter(&previous_); |
| 408 | } |
| 409 | |
| 410 | |
| 411 | HandleScope::~HandleScope() { |
| 412 | if (!is_closed_) { |
| 413 | i::HandleScope::Leave(&previous_); |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | |
| 418 | int HandleScope::NumberOfHandles() { |
| 419 | return i::HandleScope::NumberOfHandles(); |
| 420 | } |
| 421 | |
| 422 | |
| 423 | i::Object** v8::HandleScope::CreateHandle(i::Object* value) { |
| 424 | return i::HandleScope::CreateHandle(value); |
| 425 | } |
| 426 | |
| 427 | |
| 428 | void Context::Enter() { |
| 429 | if (IsDeadCheck("v8::Context::Enter()")) return; |
| 430 | ENTER_V8; |
| 431 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 432 | thread_local.EnterContext(env); |
| 433 | |
| 434 | thread_local.SaveContext(i::Top::context()); |
| 435 | i::Top::set_context(*env); |
| 436 | } |
| 437 | |
| 438 | |
| 439 | void Context::Exit() { |
| 440 | if (!i::V8::IsRunning()) return; |
| 441 | if (!ApiCheck(thread_local.LeaveLastContext(), |
| 442 | "v8::Context::Exit()", |
| 443 | "Cannot exit non-entered context")) { |
| 444 | return; |
| 445 | } |
| 446 | |
| 447 | // Content of 'last_context' could be NULL. |
| 448 | i::Context* last_context = thread_local.RestoreContext(); |
| 449 | i::Top::set_context(last_context); |
| 450 | } |
| 451 | |
| 452 | |
| 453 | void Context::SetData(v8::Handle<Value> data) { |
| 454 | if (IsDeadCheck("v8::Context::SetData()")) return; |
| 455 | ENTER_V8; |
| 456 | { |
| 457 | HandleScope scope; |
| 458 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 459 | i::Handle<i::Object> raw_data = Utils::OpenHandle(*data); |
| 460 | ASSERT(env->IsGlobalContext()); |
| 461 | if (env->IsGlobalContext()) { |
| 462 | env->set_data(*raw_data); |
| 463 | } |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | |
| 468 | v8::Local<v8::Value> Context::GetData() { |
| 469 | if (IsDeadCheck("v8::Context::GetData()")) return v8::Local<Value>(); |
| 470 | ENTER_V8; |
| 471 | i::Object* raw_result = NULL; |
| 472 | { |
| 473 | HandleScope scope; |
| 474 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 475 | ASSERT(env->IsGlobalContext()); |
| 476 | if (env->IsGlobalContext()) { |
| 477 | raw_result = env->data(); |
| 478 | } else { |
| 479 | return Local<Value>(); |
| 480 | } |
| 481 | } |
| 482 | i::Handle<i::Object> result(raw_result); |
| 483 | return Utils::ToLocal(result); |
| 484 | } |
| 485 | |
| 486 | |
| 487 | i::Object** v8::HandleScope::RawClose(i::Object** value) { |
| 488 | if (!ApiCheck(!is_closed_, |
| 489 | "v8::HandleScope::Close()", |
| 490 | "Local scope has already been closed")) { |
| 491 | return 0; |
| 492 | } |
| 493 | LOG_API("CloseHandleScope"); |
| 494 | |
| 495 | // Read the result before popping the handle block. |
| 496 | i::Object* result = *value; |
| 497 | is_closed_ = true; |
| 498 | i::HandleScope::Leave(&previous_); |
| 499 | |
| 500 | // Allocate a new handle on the previous handle block. |
| 501 | i::Handle<i::Object> handle(result); |
| 502 | return handle.location(); |
| 503 | } |
| 504 | |
| 505 | |
| 506 | // --- N e a n d e r --- |
| 507 | |
| 508 | |
| 509 | // A constructor cannot easily return an error value, therefore it is necessary |
| 510 | // to check for a dead VM with ON_BAILOUT before constructing any Neander |
| 511 | // objects. To remind you about this there is no HandleScope in the |
| 512 | // NeanderObject constructor. When you add one to the site calling the |
| 513 | // constructor you should check that you ensured the VM was not dead first. |
| 514 | NeanderObject::NeanderObject(int size) { |
| 515 | EnsureInitialized("v8::Nowhere"); |
| 516 | ENTER_V8; |
| 517 | value_ = i::Factory::NewNeanderObject(); |
| 518 | i::Handle<i::FixedArray> elements = i::Factory::NewFixedArray(size); |
| 519 | value_->set_elements(*elements); |
| 520 | } |
| 521 | |
| 522 | |
| 523 | int NeanderObject::size() { |
| 524 | return i::FixedArray::cast(value_->elements())->length(); |
| 525 | } |
| 526 | |
| 527 | |
| 528 | NeanderArray::NeanderArray() : obj_(2) { |
| 529 | obj_.set(0, i::Smi::FromInt(0)); |
| 530 | } |
| 531 | |
| 532 | |
| 533 | int NeanderArray::length() { |
| 534 | return i::Smi::cast(obj_.get(0))->value(); |
| 535 | } |
| 536 | |
| 537 | |
| 538 | i::Object* NeanderArray::get(int offset) { |
| 539 | ASSERT(0 <= offset); |
| 540 | ASSERT(offset < length()); |
| 541 | return obj_.get(offset + 1); |
| 542 | } |
| 543 | |
| 544 | |
| 545 | // This method cannot easily return an error value, therefore it is necessary |
| 546 | // to check for a dead VM with ON_BAILOUT before calling it. To remind you |
| 547 | // about this there is no HandleScope in this method. When you add one to the |
| 548 | // site calling this method you should check that you ensured the VM was not |
| 549 | // dead first. |
| 550 | void NeanderArray::add(i::Handle<i::Object> value) { |
| 551 | int length = this->length(); |
| 552 | int size = obj_.size(); |
| 553 | if (length == size - 1) { |
| 554 | i::Handle<i::FixedArray> new_elms = i::Factory::NewFixedArray(2 * size); |
| 555 | for (int i = 0; i < length; i++) |
| 556 | new_elms->set(i + 1, get(i)); |
| 557 | obj_.value()->set_elements(*new_elms); |
| 558 | } |
| 559 | obj_.set(length + 1, *value); |
| 560 | obj_.set(0, i::Smi::FromInt(length + 1)); |
| 561 | } |
| 562 | |
| 563 | |
| 564 | void NeanderArray::set(int index, i::Object* value) { |
| 565 | if (index < 0 || index >= this->length()) return; |
| 566 | obj_.set(index + 1, value); |
| 567 | } |
| 568 | |
| 569 | |
| 570 | // --- T e m p l a t e --- |
| 571 | |
| 572 | |
| 573 | static void InitializeTemplate(i::Handle<i::TemplateInfo> that, int type) { |
| 574 | that->set_tag(i::Smi::FromInt(type)); |
| 575 | } |
| 576 | |
| 577 | |
| 578 | void Template::Set(v8::Handle<String> name, v8::Handle<Data> value, |
| 579 | v8::PropertyAttribute attribute) { |
| 580 | if (IsDeadCheck("v8::Template::SetProperty()")) return; |
| 581 | ENTER_V8; |
| 582 | HandleScope scope; |
| 583 | i::Handle<i::Object> list(Utils::OpenHandle(this)->property_list()); |
| 584 | if (list->IsUndefined()) { |
| 585 | list = NeanderArray().value(); |
| 586 | Utils::OpenHandle(this)->set_property_list(*list); |
| 587 | } |
| 588 | NeanderArray array(list); |
| 589 | array.add(Utils::OpenHandle(*name)); |
| 590 | array.add(Utils::OpenHandle(*value)); |
| 591 | array.add(Utils::OpenHandle(*v8::Integer::New(attribute))); |
| 592 | } |
| 593 | |
| 594 | |
| 595 | // --- F u n c t i o n T e m p l a t e --- |
| 596 | static void InitializeFunctionTemplate( |
| 597 | i::Handle<i::FunctionTemplateInfo> info) { |
| 598 | info->set_tag(i::Smi::FromInt(Consts::FUNCTION_TEMPLATE)); |
| 599 | info->set_flag(0); |
| 600 | } |
| 601 | |
| 602 | |
| 603 | Local<ObjectTemplate> FunctionTemplate::PrototypeTemplate() { |
| 604 | if (IsDeadCheck("v8::FunctionTemplate::PrototypeTemplate()")) { |
| 605 | return Local<ObjectTemplate>(); |
| 606 | } |
| 607 | ENTER_V8; |
| 608 | i::Handle<i::Object> result(Utils::OpenHandle(this)->prototype_template()); |
| 609 | if (result->IsUndefined()) { |
| 610 | result = Utils::OpenHandle(*ObjectTemplate::New()); |
| 611 | Utils::OpenHandle(this)->set_prototype_template(*result); |
| 612 | } |
| 613 | return Local<ObjectTemplate>(ToApi<ObjectTemplate>(result)); |
| 614 | } |
| 615 | |
| 616 | |
| 617 | void FunctionTemplate::Inherit(v8::Handle<FunctionTemplate> value) { |
| 618 | if (IsDeadCheck("v8::FunctionTemplate::Inherit()")) return; |
| 619 | ENTER_V8; |
| 620 | Utils::OpenHandle(this)->set_parent_template(*Utils::OpenHandle(*value)); |
| 621 | } |
| 622 | |
| 623 | |
| 624 | // To distinguish the function templates, so that we can find them in the |
| 625 | // function cache of the global context. |
| 626 | static int next_serial_number = 0; |
| 627 | |
| 628 | |
| 629 | Local<FunctionTemplate> FunctionTemplate::New(InvocationCallback callback, |
| 630 | v8::Handle<Value> data, v8::Handle<Signature> signature) { |
| 631 | EnsureInitialized("v8::FunctionTemplate::New()"); |
| 632 | LOG_API("FunctionTemplate::New"); |
| 633 | ENTER_V8; |
| 634 | i::Handle<i::Struct> struct_obj = |
| 635 | i::Factory::NewStruct(i::FUNCTION_TEMPLATE_INFO_TYPE); |
| 636 | i::Handle<i::FunctionTemplateInfo> obj = |
| 637 | i::Handle<i::FunctionTemplateInfo>::cast(struct_obj); |
| 638 | InitializeFunctionTemplate(obj); |
| 639 | obj->set_serial_number(i::Smi::FromInt(next_serial_number++)); |
| 640 | if (callback != 0) { |
| 641 | if (data.IsEmpty()) data = v8::Undefined(); |
| 642 | Utils::ToLocal(obj)->SetCallHandler(callback, data); |
| 643 | } |
| 644 | obj->set_undetectable(false); |
| 645 | obj->set_needs_access_check(false); |
| 646 | |
| 647 | if (!signature.IsEmpty()) |
| 648 | obj->set_signature(*Utils::OpenHandle(*signature)); |
| 649 | return Utils::ToLocal(obj); |
| 650 | } |
| 651 | |
| 652 | |
| 653 | Local<Signature> Signature::New(Handle<FunctionTemplate> receiver, |
| 654 | int argc, Handle<FunctionTemplate> argv[]) { |
| 655 | EnsureInitialized("v8::Signature::New()"); |
| 656 | LOG_API("Signature::New"); |
| 657 | ENTER_V8; |
| 658 | i::Handle<i::Struct> struct_obj = |
| 659 | i::Factory::NewStruct(i::SIGNATURE_INFO_TYPE); |
| 660 | i::Handle<i::SignatureInfo> obj = |
| 661 | i::Handle<i::SignatureInfo>::cast(struct_obj); |
| 662 | if (!receiver.IsEmpty()) obj->set_receiver(*Utils::OpenHandle(*receiver)); |
| 663 | if (argc > 0) { |
| 664 | i::Handle<i::FixedArray> args = i::Factory::NewFixedArray(argc); |
| 665 | for (int i = 0; i < argc; i++) { |
| 666 | if (!argv[i].IsEmpty()) |
| 667 | args->set(i, *Utils::OpenHandle(*argv[i])); |
| 668 | } |
| 669 | obj->set_args(*args); |
| 670 | } |
| 671 | return Utils::ToLocal(obj); |
| 672 | } |
| 673 | |
| 674 | |
| 675 | Local<TypeSwitch> TypeSwitch::New(Handle<FunctionTemplate> type) { |
| 676 | Handle<FunctionTemplate> types[1] = { type }; |
| 677 | return TypeSwitch::New(1, types); |
| 678 | } |
| 679 | |
| 680 | |
| 681 | Local<TypeSwitch> TypeSwitch::New(int argc, Handle<FunctionTemplate> types[]) { |
| 682 | EnsureInitialized("v8::TypeSwitch::New()"); |
| 683 | LOG_API("TypeSwitch::New"); |
| 684 | ENTER_V8; |
| 685 | i::Handle<i::FixedArray> vector = i::Factory::NewFixedArray(argc); |
| 686 | for (int i = 0; i < argc; i++) |
| 687 | vector->set(i, *Utils::OpenHandle(*types[i])); |
| 688 | i::Handle<i::Struct> struct_obj = |
| 689 | i::Factory::NewStruct(i::TYPE_SWITCH_INFO_TYPE); |
| 690 | i::Handle<i::TypeSwitchInfo> obj = |
| 691 | i::Handle<i::TypeSwitchInfo>::cast(struct_obj); |
| 692 | obj->set_types(*vector); |
| 693 | return Utils::ToLocal(obj); |
| 694 | } |
| 695 | |
| 696 | |
| 697 | int TypeSwitch::match(v8::Handle<Value> value) { |
| 698 | LOG_API("TypeSwitch::match"); |
| 699 | i::Handle<i::Object> obj = Utils::OpenHandle(*value); |
| 700 | i::Handle<i::TypeSwitchInfo> info = Utils::OpenHandle(this); |
| 701 | i::FixedArray* types = i::FixedArray::cast(info->types()); |
| 702 | for (int i = 0; i < types->length(); i++) { |
| 703 | if (obj->IsInstanceOf(i::FunctionTemplateInfo::cast(types->get(i)))) |
| 704 | return i + 1; |
| 705 | } |
| 706 | return 0; |
| 707 | } |
| 708 | |
| 709 | |
| 710 | void FunctionTemplate::SetCallHandler(InvocationCallback callback, |
| 711 | v8::Handle<Value> data) { |
| 712 | if (IsDeadCheck("v8::FunctionTemplate::SetCallHandler()")) return; |
| 713 | ENTER_V8; |
| 714 | HandleScope scope; |
| 715 | i::Handle<i::Struct> struct_obj = |
| 716 | i::Factory::NewStruct(i::CALL_HANDLER_INFO_TYPE); |
| 717 | i::Handle<i::CallHandlerInfo> obj = |
| 718 | i::Handle<i::CallHandlerInfo>::cast(struct_obj); |
| 719 | obj->set_callback(*FromCData(callback)); |
| 720 | if (data.IsEmpty()) data = v8::Undefined(); |
| 721 | obj->set_data(*Utils::OpenHandle(*data)); |
| 722 | Utils::OpenHandle(this)->set_call_code(*obj); |
| 723 | } |
| 724 | |
| 725 | |
| 726 | void FunctionTemplate::AddInstancePropertyAccessor( |
| 727 | v8::Handle<String> name, |
| 728 | AccessorGetter getter, |
| 729 | AccessorSetter setter, |
| 730 | v8::Handle<Value> data, |
| 731 | v8::AccessControl settings, |
| 732 | v8::PropertyAttribute attributes) { |
| 733 | if (IsDeadCheck("v8::FunctionTemplate::AddInstancePropertyAccessor()")) { |
| 734 | return; |
| 735 | } |
| 736 | ENTER_V8; |
| 737 | HandleScope scope; |
| 738 | i::Handle<i::AccessorInfo> obj = i::Factory::NewAccessorInfo(); |
| 739 | ASSERT(getter != NULL); |
| 740 | obj->set_getter(*FromCData(getter)); |
| 741 | obj->set_setter(*FromCData(setter)); |
| 742 | if (data.IsEmpty()) data = v8::Undefined(); |
| 743 | obj->set_data(*Utils::OpenHandle(*data)); |
| 744 | obj->set_name(*Utils::OpenHandle(*name)); |
| 745 | if (settings & ALL_CAN_READ) obj->set_all_can_read(true); |
| 746 | if (settings & ALL_CAN_WRITE) obj->set_all_can_write(true); |
| 747 | if (settings & PROHIBITS_OVERWRITING) obj->set_prohibits_overwriting(true); |
| 748 | obj->set_property_attributes(static_cast<PropertyAttributes>(attributes)); |
| 749 | |
| 750 | i::Handle<i::Object> list(Utils::OpenHandle(this)->property_accessors()); |
| 751 | if (list->IsUndefined()) { |
| 752 | list = NeanderArray().value(); |
| 753 | Utils::OpenHandle(this)->set_property_accessors(*list); |
| 754 | } |
| 755 | NeanderArray array(list); |
| 756 | array.add(obj); |
| 757 | } |
| 758 | |
| 759 | |
| 760 | Local<ObjectTemplate> FunctionTemplate::InstanceTemplate() { |
| 761 | if (IsDeadCheck("v8::FunctionTemplate::InstanceTemplate()") |
| 762 | || EmptyCheck("v8::FunctionTemplate::InstanceTemplate()", this)) |
| 763 | return Local<ObjectTemplate>(); |
| 764 | ENTER_V8; |
| 765 | if (Utils::OpenHandle(this)->instance_template()->IsUndefined()) { |
| 766 | Local<ObjectTemplate> templ = |
| 767 | ObjectTemplate::New(v8::Handle<FunctionTemplate>(this)); |
| 768 | Utils::OpenHandle(this)->set_instance_template(*Utils::OpenHandle(*templ)); |
| 769 | } |
| 770 | i::Handle<i::ObjectTemplateInfo> result(i::ObjectTemplateInfo::cast( |
| 771 | Utils::OpenHandle(this)->instance_template())); |
| 772 | return Utils::ToLocal(result); |
| 773 | } |
| 774 | |
| 775 | |
| 776 | void FunctionTemplate::SetClassName(Handle<String> name) { |
| 777 | if (IsDeadCheck("v8::FunctionTemplate::SetClassName()")) return; |
| 778 | ENTER_V8; |
| 779 | Utils::OpenHandle(this)->set_class_name(*Utils::OpenHandle(*name)); |
| 780 | } |
| 781 | |
| 782 | |
| 783 | void FunctionTemplate::SetHiddenPrototype(bool value) { |
| 784 | if (IsDeadCheck("v8::FunctionTemplate::SetHiddenPrototype()")) return; |
| 785 | ENTER_V8; |
| 786 | Utils::OpenHandle(this)->set_hidden_prototype(value); |
| 787 | } |
| 788 | |
| 789 | |
| 790 | void FunctionTemplate::SetNamedInstancePropertyHandler( |
| 791 | NamedPropertyGetter getter, |
| 792 | NamedPropertySetter setter, |
| 793 | NamedPropertyQuery query, |
| 794 | NamedPropertyDeleter remover, |
| 795 | NamedPropertyEnumerator enumerator, |
| 796 | Handle<Value> data) { |
| 797 | if (IsDeadCheck("v8::FunctionTemplate::SetNamedInstancePropertyHandler()")) { |
| 798 | return; |
| 799 | } |
| 800 | ENTER_V8; |
| 801 | HandleScope scope; |
| 802 | i::Handle<i::Struct> struct_obj = |
| 803 | i::Factory::NewStruct(i::INTERCEPTOR_INFO_TYPE); |
| 804 | i::Handle<i::InterceptorInfo> obj = |
| 805 | i::Handle<i::InterceptorInfo>::cast(struct_obj); |
| 806 | if (getter != 0) obj->set_getter(*FromCData(getter)); |
| 807 | if (setter != 0) obj->set_setter(*FromCData(setter)); |
| 808 | if (query != 0) obj->set_query(*FromCData(query)); |
| 809 | if (remover != 0) obj->set_deleter(*FromCData(remover)); |
| 810 | if (enumerator != 0) obj->set_enumerator(*FromCData(enumerator)); |
| 811 | if (data.IsEmpty()) data = v8::Undefined(); |
| 812 | obj->set_data(*Utils::OpenHandle(*data)); |
| 813 | Utils::OpenHandle(this)->set_named_property_handler(*obj); |
| 814 | } |
| 815 | |
| 816 | |
| 817 | void FunctionTemplate::SetIndexedInstancePropertyHandler( |
| 818 | IndexedPropertyGetter getter, |
| 819 | IndexedPropertySetter setter, |
| 820 | IndexedPropertyQuery query, |
| 821 | IndexedPropertyDeleter remover, |
| 822 | IndexedPropertyEnumerator enumerator, |
| 823 | Handle<Value> data) { |
| 824 | if (IsDeadCheck( |
| 825 | "v8::FunctionTemplate::SetIndexedInstancePropertyHandler()")) { |
| 826 | return; |
| 827 | } |
| 828 | ENTER_V8; |
| 829 | HandleScope scope; |
| 830 | i::Handle<i::Struct> struct_obj = |
| 831 | i::Factory::NewStruct(i::INTERCEPTOR_INFO_TYPE); |
| 832 | i::Handle<i::InterceptorInfo> obj = |
| 833 | i::Handle<i::InterceptorInfo>::cast(struct_obj); |
| 834 | if (getter != 0) obj->set_getter(*FromCData(getter)); |
| 835 | if (setter != 0) obj->set_setter(*FromCData(setter)); |
| 836 | if (query != 0) obj->set_query(*FromCData(query)); |
| 837 | if (remover != 0) obj->set_deleter(*FromCData(remover)); |
| 838 | if (enumerator != 0) obj->set_enumerator(*FromCData(enumerator)); |
| 839 | if (data.IsEmpty()) data = v8::Undefined(); |
| 840 | obj->set_data(*Utils::OpenHandle(*data)); |
| 841 | Utils::OpenHandle(this)->set_indexed_property_handler(*obj); |
| 842 | } |
| 843 | |
| 844 | |
| 845 | void FunctionTemplate::SetInstanceCallAsFunctionHandler( |
| 846 | InvocationCallback callback, |
| 847 | Handle<Value> data) { |
| 848 | if (IsDeadCheck("v8::FunctionTemplate::SetInstanceCallAsFunctionHandler()")) { |
| 849 | return; |
| 850 | } |
| 851 | ENTER_V8; |
| 852 | HandleScope scope; |
| 853 | i::Handle<i::Struct> struct_obj = |
| 854 | i::Factory::NewStruct(i::CALL_HANDLER_INFO_TYPE); |
| 855 | i::Handle<i::CallHandlerInfo> obj = |
| 856 | i::Handle<i::CallHandlerInfo>::cast(struct_obj); |
| 857 | obj->set_callback(*FromCData(callback)); |
| 858 | if (data.IsEmpty()) data = v8::Undefined(); |
| 859 | obj->set_data(*Utils::OpenHandle(*data)); |
| 860 | Utils::OpenHandle(this)->set_instance_call_handler(*obj); |
| 861 | } |
| 862 | |
| 863 | |
| 864 | // --- O b j e c t T e m p l a t e --- |
| 865 | |
| 866 | |
| 867 | Local<ObjectTemplate> ObjectTemplate::New() { |
| 868 | return New(Local<FunctionTemplate>()); |
| 869 | } |
| 870 | |
| 871 | |
| 872 | Local<ObjectTemplate> ObjectTemplate::New( |
| 873 | v8::Handle<FunctionTemplate> constructor) { |
| 874 | if (IsDeadCheck("v8::ObjectTemplate::New()")) return Local<ObjectTemplate>(); |
| 875 | EnsureInitialized("v8::ObjectTemplate::New()"); |
| 876 | LOG_API("ObjectTemplate::New"); |
| 877 | ENTER_V8; |
| 878 | i::Handle<i::Struct> struct_obj = |
| 879 | i::Factory::NewStruct(i::OBJECT_TEMPLATE_INFO_TYPE); |
| 880 | i::Handle<i::ObjectTemplateInfo> obj = |
| 881 | i::Handle<i::ObjectTemplateInfo>::cast(struct_obj); |
| 882 | InitializeTemplate(obj, Consts::OBJECT_TEMPLATE); |
| 883 | if (!constructor.IsEmpty()) |
| 884 | obj->set_constructor(*Utils::OpenHandle(*constructor)); |
| 885 | obj->set_internal_field_count(i::Smi::FromInt(0)); |
| 886 | return Utils::ToLocal(obj); |
| 887 | } |
| 888 | |
| 889 | |
| 890 | // Ensure that the object template has a constructor. If no |
| 891 | // constructor is available we create one. |
| 892 | static void EnsureConstructor(ObjectTemplate* object_template) { |
| 893 | if (Utils::OpenHandle(object_template)->constructor()->IsUndefined()) { |
| 894 | Local<FunctionTemplate> templ = FunctionTemplate::New(); |
| 895 | i::Handle<i::FunctionTemplateInfo> constructor = Utils::OpenHandle(*templ); |
| 896 | constructor->set_instance_template(*Utils::OpenHandle(object_template)); |
| 897 | Utils::OpenHandle(object_template)->set_constructor(*constructor); |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | |
| 902 | void ObjectTemplate::SetAccessor(v8::Handle<String> name, |
| 903 | AccessorGetter getter, |
| 904 | AccessorSetter setter, |
| 905 | v8::Handle<Value> data, |
| 906 | AccessControl settings, |
| 907 | PropertyAttribute attribute) { |
| 908 | if (IsDeadCheck("v8::ObjectTemplate::SetAccessor()")) return; |
| 909 | ENTER_V8; |
| 910 | HandleScope scope; |
| 911 | EnsureConstructor(this); |
| 912 | i::FunctionTemplateInfo* constructor = |
| 913 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 914 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 915 | Utils::ToLocal(cons)->AddInstancePropertyAccessor(name, |
| 916 | getter, |
| 917 | setter, |
| 918 | data, |
| 919 | settings, |
| 920 | attribute); |
| 921 | } |
| 922 | |
| 923 | |
| 924 | void ObjectTemplate::SetNamedPropertyHandler(NamedPropertyGetter getter, |
| 925 | NamedPropertySetter setter, |
| 926 | NamedPropertyQuery query, |
| 927 | NamedPropertyDeleter remover, |
| 928 | NamedPropertyEnumerator enumerator, |
| 929 | Handle<Value> data) { |
| 930 | if (IsDeadCheck("v8::ObjectTemplate::SetNamedPropertyHandler()")) return; |
| 931 | ENTER_V8; |
| 932 | HandleScope scope; |
| 933 | EnsureConstructor(this); |
| 934 | i::FunctionTemplateInfo* constructor = |
| 935 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 936 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 937 | Utils::ToLocal(cons)->SetNamedInstancePropertyHandler(getter, |
| 938 | setter, |
| 939 | query, |
| 940 | remover, |
| 941 | enumerator, |
| 942 | data); |
| 943 | } |
| 944 | |
| 945 | |
| 946 | void ObjectTemplate::MarkAsUndetectable() { |
| 947 | if (IsDeadCheck("v8::ObjectTemplate::MarkAsUndetectable()")) return; |
| 948 | ENTER_V8; |
| 949 | HandleScope scope; |
| 950 | EnsureConstructor(this); |
| 951 | i::FunctionTemplateInfo* constructor = |
| 952 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 953 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 954 | cons->set_undetectable(true); |
| 955 | } |
| 956 | |
| 957 | |
| 958 | void ObjectTemplate::SetAccessCheckCallbacks( |
| 959 | NamedSecurityCallback named_callback, |
| 960 | IndexedSecurityCallback indexed_callback, |
| 961 | Handle<Value> data, |
| 962 | bool turned_on_by_default) { |
| 963 | if (IsDeadCheck("v8::ObjectTemplate::SetAccessCheckCallbacks()")) return; |
| 964 | ENTER_V8; |
| 965 | HandleScope scope; |
| 966 | EnsureConstructor(this); |
| 967 | |
| 968 | i::Handle<i::Struct> struct_info = |
| 969 | i::Factory::NewStruct(i::ACCESS_CHECK_INFO_TYPE); |
| 970 | i::Handle<i::AccessCheckInfo> info = |
| 971 | i::Handle<i::AccessCheckInfo>::cast(struct_info); |
| 972 | info->set_named_callback(*FromCData(named_callback)); |
| 973 | info->set_indexed_callback(*FromCData(indexed_callback)); |
| 974 | if (data.IsEmpty()) data = v8::Undefined(); |
| 975 | info->set_data(*Utils::OpenHandle(*data)); |
| 976 | |
| 977 | i::FunctionTemplateInfo* constructor = |
| 978 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 979 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 980 | cons->set_access_check_info(*info); |
| 981 | cons->set_needs_access_check(turned_on_by_default); |
| 982 | } |
| 983 | |
| 984 | |
| 985 | void ObjectTemplate::SetIndexedPropertyHandler( |
| 986 | IndexedPropertyGetter getter, |
| 987 | IndexedPropertySetter setter, |
| 988 | IndexedPropertyQuery query, |
| 989 | IndexedPropertyDeleter remover, |
| 990 | IndexedPropertyEnumerator enumerator, |
| 991 | Handle<Value> data) { |
| 992 | if (IsDeadCheck("v8::ObjectTemplate::SetIndexedPropertyHandler()")) return; |
| 993 | ENTER_V8; |
| 994 | HandleScope scope; |
| 995 | EnsureConstructor(this); |
| 996 | i::FunctionTemplateInfo* constructor = |
| 997 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 998 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 999 | Utils::ToLocal(cons)->SetIndexedInstancePropertyHandler(getter, |
| 1000 | setter, |
| 1001 | query, |
| 1002 | remover, |
| 1003 | enumerator, |
| 1004 | data); |
| 1005 | } |
| 1006 | |
| 1007 | |
| 1008 | void ObjectTemplate::SetCallAsFunctionHandler(InvocationCallback callback, |
| 1009 | Handle<Value> data) { |
| 1010 | if (IsDeadCheck("v8::ObjectTemplate::SetCallAsFunctionHandler()")) return; |
| 1011 | ENTER_V8; |
| 1012 | HandleScope scope; |
| 1013 | EnsureConstructor(this); |
| 1014 | i::FunctionTemplateInfo* constructor = |
| 1015 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 1016 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 1017 | Utils::ToLocal(cons)->SetInstanceCallAsFunctionHandler(callback, data); |
| 1018 | } |
| 1019 | |
| 1020 | |
| 1021 | int ObjectTemplate::InternalFieldCount() { |
| 1022 | if (IsDeadCheck("v8::ObjectTemplate::InternalFieldCount()")) { |
| 1023 | return 0; |
| 1024 | } |
| 1025 | return i::Smi::cast(Utils::OpenHandle(this)->internal_field_count())->value(); |
| 1026 | } |
| 1027 | |
| 1028 | |
| 1029 | void ObjectTemplate::SetInternalFieldCount(int value) { |
| 1030 | if (IsDeadCheck("v8::ObjectTemplate::SetInternalFieldCount()")) return; |
| 1031 | if (!ApiCheck(i::Smi::IsValid(value), |
| 1032 | "v8::ObjectTemplate::SetInternalFieldCount()", |
| 1033 | "Invalid internal field count")) { |
| 1034 | return; |
| 1035 | } |
| 1036 | ENTER_V8; |
| 1037 | if (value > 0) { |
| 1038 | // The internal field count is set by the constructor function's |
| 1039 | // construct code, so we ensure that there is a constructor |
| 1040 | // function to do the setting. |
| 1041 | EnsureConstructor(this); |
| 1042 | } |
| 1043 | Utils::OpenHandle(this)->set_internal_field_count(i::Smi::FromInt(value)); |
| 1044 | } |
| 1045 | |
| 1046 | |
| 1047 | // --- S c r i p t D a t a --- |
| 1048 | |
| 1049 | |
| 1050 | ScriptData* ScriptData::PreCompile(const char* input, int length) { |
| 1051 | unibrow::Utf8InputBuffer<> buf(input, length); |
| 1052 | return i::PreParse(i::Handle<i::String>(), &buf, NULL); |
| 1053 | } |
| 1054 | |
| 1055 | |
| 1056 | ScriptData* ScriptData::New(unsigned* data, int length) { |
| 1057 | return new i::ScriptDataImpl(i::Vector<unsigned>(data, length)); |
| 1058 | } |
| 1059 | |
| 1060 | |
| 1061 | // --- S c r i p t --- |
| 1062 | |
| 1063 | |
| 1064 | Local<Script> Script::New(v8::Handle<String> source, |
| 1065 | v8::ScriptOrigin* origin, |
| 1066 | v8::ScriptData* script_data) { |
| 1067 | ON_BAILOUT("v8::Script::New()", return Local<Script>()); |
| 1068 | LOG_API("Script::New"); |
| 1069 | ENTER_V8; |
| 1070 | i::Handle<i::String> str = Utils::OpenHandle(*source); |
| 1071 | i::Handle<i::Object> name_obj; |
| 1072 | int line_offset = 0; |
| 1073 | int column_offset = 0; |
| 1074 | if (origin != NULL) { |
| 1075 | if (!origin->ResourceName().IsEmpty()) { |
| 1076 | name_obj = Utils::OpenHandle(*origin->ResourceName()); |
| 1077 | } |
| 1078 | if (!origin->ResourceLineOffset().IsEmpty()) { |
| 1079 | line_offset = static_cast<int>(origin->ResourceLineOffset()->Value()); |
| 1080 | } |
| 1081 | if (!origin->ResourceColumnOffset().IsEmpty()) { |
| 1082 | column_offset = static_cast<int>(origin->ResourceColumnOffset()->Value()); |
| 1083 | } |
| 1084 | } |
| 1085 | EXCEPTION_PREAMBLE(); |
| 1086 | i::ScriptDataImpl* pre_data = static_cast<i::ScriptDataImpl*>(script_data); |
| 1087 | // We assert that the pre-data is sane, even though we can actually |
| 1088 | // handle it if it turns out not to be in release mode. |
| 1089 | ASSERT(pre_data == NULL || pre_data->SanityCheck()); |
| 1090 | // If the pre-data isn't sane we simply ignore it |
| 1091 | if (pre_data != NULL && !pre_data->SanityCheck()) { |
| 1092 | pre_data = NULL; |
| 1093 | } |
| 1094 | i::Handle<i::JSFunction> boilerplate = i::Compiler::Compile(str, |
| 1095 | name_obj, |
| 1096 | line_offset, |
| 1097 | column_offset, |
| 1098 | NULL, |
| 1099 | pre_data); |
| 1100 | has_pending_exception = boilerplate.is_null(); |
| 1101 | EXCEPTION_BAILOUT_CHECK(Local<Script>()); |
| 1102 | return Local<Script>(ToApi<Script>(boilerplate)); |
| 1103 | } |
| 1104 | |
| 1105 | |
| 1106 | Local<Script> Script::New(v8::Handle<String> source, |
| 1107 | v8::Handle<Value> file_name) { |
| 1108 | ScriptOrigin origin(file_name); |
| 1109 | return New(source, &origin); |
| 1110 | } |
| 1111 | |
| 1112 | |
| 1113 | Local<Script> Script::Compile(v8::Handle<String> source, |
| 1114 | v8::ScriptOrigin* origin, |
| 1115 | v8::ScriptData* script_data) { |
| 1116 | ON_BAILOUT("v8::Script::Compile()", return Local<Script>()); |
| 1117 | LOG_API("Script::Compile"); |
| 1118 | ENTER_V8; |
| 1119 | Local<Script> generic = New(source, origin, script_data); |
| 1120 | if (generic.IsEmpty()) |
| 1121 | return generic; |
| 1122 | i::Handle<i::JSFunction> boilerplate = Utils::OpenHandle(*generic); |
| 1123 | i::Handle<i::JSFunction> result = |
| 1124 | i::Factory::NewFunctionFromBoilerplate(boilerplate, |
| 1125 | i::Top::global_context()); |
| 1126 | return Local<Script>(ToApi<Script>(result)); |
| 1127 | } |
| 1128 | |
| 1129 | |
| 1130 | Local<Script> Script::Compile(v8::Handle<String> source, |
| 1131 | v8::Handle<Value> file_name) { |
| 1132 | ScriptOrigin origin(file_name); |
| 1133 | return Compile(source, &origin); |
| 1134 | } |
| 1135 | |
| 1136 | |
| 1137 | Local<Value> Script::Run() { |
| 1138 | ON_BAILOUT("v8::Script::Run()", return Local<Value>()); |
| 1139 | LOG_API("Script::Run"); |
| 1140 | ENTER_V8; |
| 1141 | i::Object* raw_result = NULL; |
| 1142 | { |
| 1143 | HandleScope scope; |
| 1144 | i::Handle<i::JSFunction> fun = Utils::OpenHandle(this); |
| 1145 | if (fun->IsBoilerplate()) { |
| 1146 | fun = i::Factory::NewFunctionFromBoilerplate(fun, |
| 1147 | i::Top::global_context()); |
| 1148 | } |
| 1149 | EXCEPTION_PREAMBLE(); |
| 1150 | i::Handle<i::Object> receiver(i::Top::context()->global_proxy()); |
| 1151 | i::Handle<i::Object> result = |
| 1152 | i::Execution::Call(fun, receiver, 0, NULL, &has_pending_exception); |
| 1153 | EXCEPTION_BAILOUT_CHECK(Local<Value>()); |
| 1154 | raw_result = *result; |
| 1155 | } |
| 1156 | i::Handle<i::Object> result(raw_result); |
| 1157 | return Utils::ToLocal(result); |
| 1158 | } |
| 1159 | |
| 1160 | |
| 1161 | Local<Value> Script::Id() { |
| 1162 | ON_BAILOUT("v8::Script::Id()", return Local<Value>()); |
| 1163 | LOG_API("Script::Id"); |
| 1164 | i::Object* raw_id = NULL; |
| 1165 | { |
| 1166 | HandleScope scope; |
| 1167 | i::Handle<i::JSFunction> fun = Utils::OpenHandle(this); |
| 1168 | i::Handle<i::Script> script(i::Script::cast(fun->shared()->script())); |
| 1169 | i::Handle<i::Object> id(script->id()); |
| 1170 | raw_id = *id; |
| 1171 | } |
| 1172 | i::Handle<i::Object> id(raw_id); |
| 1173 | return Utils::ToLocal(id); |
| 1174 | } |
| 1175 | |
| 1176 | |
| 1177 | void Script::SetData(v8::Handle<Value> data) { |
| 1178 | ON_BAILOUT("v8::Script::SetData()", return); |
| 1179 | LOG_API("Script::SetData"); |
| 1180 | { |
| 1181 | HandleScope scope; |
| 1182 | i::Handle<i::JSFunction> fun = Utils::OpenHandle(this); |
| 1183 | i::Handle<i::Object> raw_data = Utils::OpenHandle(*data); |
| 1184 | i::Handle<i::Script> script(i::Script::cast(fun->shared()->script())); |
| 1185 | script->set_data(*raw_data); |
| 1186 | } |
| 1187 | } |
| 1188 | |
| 1189 | |
| 1190 | // --- E x c e p t i o n s --- |
| 1191 | |
| 1192 | |
| 1193 | v8::TryCatch::TryCatch() |
| 1194 | : next_(i::Top::try_catch_handler()), |
| 1195 | exception_(i::Heap::the_hole_value()), |
| 1196 | message_(i::Smi::FromInt(0)), |
| 1197 | is_verbose_(false), |
| 1198 | can_continue_(true), |
| 1199 | capture_message_(true), |
| 1200 | js_handler_(NULL) { |
| 1201 | i::Top::RegisterTryCatchHandler(this); |
| 1202 | } |
| 1203 | |
| 1204 | |
| 1205 | v8::TryCatch::~TryCatch() { |
| 1206 | i::Top::UnregisterTryCatchHandler(this); |
| 1207 | } |
| 1208 | |
| 1209 | |
| 1210 | bool v8::TryCatch::HasCaught() const { |
| 1211 | return !reinterpret_cast<i::Object*>(exception_)->IsTheHole(); |
| 1212 | } |
| 1213 | |
| 1214 | |
| 1215 | bool v8::TryCatch::CanContinue() const { |
| 1216 | return can_continue_; |
| 1217 | } |
| 1218 | |
| 1219 | |
| 1220 | v8::Local<Value> v8::TryCatch::Exception() const { |
| 1221 | if (HasCaught()) { |
| 1222 | // Check for out of memory exception. |
| 1223 | i::Object* exception = reinterpret_cast<i::Object*>(exception_); |
| 1224 | return v8::Utils::ToLocal(i::Handle<i::Object>(exception)); |
| 1225 | } else { |
| 1226 | return v8::Local<Value>(); |
| 1227 | } |
| 1228 | } |
| 1229 | |
| 1230 | |
| 1231 | v8::Local<Value> v8::TryCatch::StackTrace() const { |
| 1232 | if (HasCaught()) { |
| 1233 | i::Object* raw_obj = reinterpret_cast<i::Object*>(exception_); |
| 1234 | if (!raw_obj->IsJSObject()) return v8::Local<Value>(); |
| 1235 | v8::HandleScope scope; |
| 1236 | i::Handle<i::JSObject> obj(i::JSObject::cast(raw_obj)); |
| 1237 | i::Handle<i::String> name = i::Factory::LookupAsciiSymbol("stack"); |
| 1238 | if (!obj->HasProperty(*name)) |
| 1239 | return v8::Local<Value>(); |
| 1240 | return scope.Close(v8::Utils::ToLocal(i::GetProperty(obj, name))); |
| 1241 | } else { |
| 1242 | return v8::Local<Value>(); |
| 1243 | } |
| 1244 | } |
| 1245 | |
| 1246 | |
| 1247 | v8::Local<v8::Message> v8::TryCatch::Message() const { |
| 1248 | if (HasCaught() && message_ != i::Smi::FromInt(0)) { |
| 1249 | i::Object* message = reinterpret_cast<i::Object*>(message_); |
| 1250 | return v8::Utils::MessageToLocal(i::Handle<i::Object>(message)); |
| 1251 | } else { |
| 1252 | return v8::Local<v8::Message>(); |
| 1253 | } |
| 1254 | } |
| 1255 | |
| 1256 | |
| 1257 | void v8::TryCatch::Reset() { |
| 1258 | exception_ = i::Heap::the_hole_value(); |
| 1259 | message_ = i::Smi::FromInt(0); |
| 1260 | } |
| 1261 | |
| 1262 | |
| 1263 | void v8::TryCatch::SetVerbose(bool value) { |
| 1264 | is_verbose_ = value; |
| 1265 | } |
| 1266 | |
| 1267 | |
| 1268 | void v8::TryCatch::SetCaptureMessage(bool value) { |
| 1269 | capture_message_ = value; |
| 1270 | } |
| 1271 | |
| 1272 | |
| 1273 | // --- M e s s a g e --- |
| 1274 | |
| 1275 | |
| 1276 | Local<String> Message::Get() const { |
| 1277 | ON_BAILOUT("v8::Message::Get()", return Local<String>()); |
| 1278 | ENTER_V8; |
| 1279 | HandleScope scope; |
| 1280 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1281 | i::Handle<i::String> raw_result = i::MessageHandler::GetMessage(obj); |
| 1282 | Local<String> result = Utils::ToLocal(raw_result); |
| 1283 | return scope.Close(result); |
| 1284 | } |
| 1285 | |
| 1286 | |
| 1287 | v8::Handle<Value> Message::GetScriptResourceName() const { |
| 1288 | if (IsDeadCheck("v8::Message::GetScriptResourceName()")) { |
| 1289 | return Local<String>(); |
| 1290 | } |
| 1291 | ENTER_V8; |
| 1292 | HandleScope scope; |
| 1293 | i::Handle<i::JSObject> obj = |
| 1294 | i::Handle<i::JSObject>::cast(Utils::OpenHandle(this)); |
| 1295 | // Return this.script.name. |
| 1296 | i::Handle<i::JSValue> script = |
| 1297 | i::Handle<i::JSValue>::cast(GetProperty(obj, "script")); |
| 1298 | i::Handle<i::Object> resource_name(i::Script::cast(script->value())->name()); |
| 1299 | return scope.Close(Utils::ToLocal(resource_name)); |
| 1300 | } |
| 1301 | |
| 1302 | |
| 1303 | v8::Handle<Value> Message::GetScriptData() const { |
| 1304 | if (IsDeadCheck("v8::Message::GetScriptResourceData()")) { |
| 1305 | return Local<Value>(); |
| 1306 | } |
| 1307 | ENTER_V8; |
| 1308 | HandleScope scope; |
| 1309 | i::Handle<i::JSObject> obj = |
| 1310 | i::Handle<i::JSObject>::cast(Utils::OpenHandle(this)); |
| 1311 | // Return this.script.data. |
| 1312 | i::Handle<i::JSValue> script = |
| 1313 | i::Handle<i::JSValue>::cast(GetProperty(obj, "script")); |
| 1314 | i::Handle<i::Object> data(i::Script::cast(script->value())->data()); |
| 1315 | return scope.Close(Utils::ToLocal(data)); |
| 1316 | } |
| 1317 | |
| 1318 | |
| 1319 | static i::Handle<i::Object> CallV8HeapFunction(const char* name, |
| 1320 | i::Handle<i::Object> recv, |
| 1321 | int argc, |
| 1322 | i::Object** argv[], |
| 1323 | bool* has_pending_exception) { |
| 1324 | i::Handle<i::String> fmt_str = i::Factory::LookupAsciiSymbol(name); |
| 1325 | i::Object* object_fun = i::Top::builtins()->GetProperty(*fmt_str); |
| 1326 | i::Handle<i::JSFunction> fun = |
| 1327 | i::Handle<i::JSFunction>(i::JSFunction::cast(object_fun)); |
| 1328 | i::Handle<i::Object> value = |
| 1329 | i::Execution::Call(fun, recv, argc, argv, has_pending_exception); |
| 1330 | return value; |
| 1331 | } |
| 1332 | |
| 1333 | |
| 1334 | static i::Handle<i::Object> CallV8HeapFunction(const char* name, |
| 1335 | i::Handle<i::Object> data, |
| 1336 | bool* has_pending_exception) { |
| 1337 | i::Object** argv[1] = { data.location() }; |
| 1338 | return CallV8HeapFunction(name, |
| 1339 | i::Top::builtins(), |
| 1340 | 1, |
| 1341 | argv, |
| 1342 | has_pending_exception); |
| 1343 | } |
| 1344 | |
| 1345 | |
| 1346 | int Message::GetLineNumber() const { |
| 1347 | ON_BAILOUT("v8::Message::GetLineNumber()", return -1); |
| 1348 | ENTER_V8; |
| 1349 | HandleScope scope; |
| 1350 | EXCEPTION_PREAMBLE(); |
| 1351 | i::Handle<i::Object> result = CallV8HeapFunction("GetLineNumber", |
| 1352 | Utils::OpenHandle(this), |
| 1353 | &has_pending_exception); |
| 1354 | EXCEPTION_BAILOUT_CHECK(0); |
| 1355 | return static_cast<int>(result->Number()); |
| 1356 | } |
| 1357 | |
| 1358 | |
| 1359 | int Message::GetStartPosition() const { |
| 1360 | if (IsDeadCheck("v8::Message::GetStartPosition()")) return 0; |
| 1361 | ENTER_V8; |
| 1362 | HandleScope scope; |
| 1363 | |
| 1364 | i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| 1365 | return static_cast<int>(GetProperty(data_obj, "startPos")->Number()); |
| 1366 | } |
| 1367 | |
| 1368 | |
| 1369 | int Message::GetEndPosition() const { |
| 1370 | if (IsDeadCheck("v8::Message::GetEndPosition()")) return 0; |
| 1371 | ENTER_V8; |
| 1372 | HandleScope scope; |
| 1373 | i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| 1374 | return static_cast<int>(GetProperty(data_obj, "endPos")->Number()); |
| 1375 | } |
| 1376 | |
| 1377 | |
| 1378 | int Message::GetStartColumn() const { |
| 1379 | if (IsDeadCheck("v8::Message::GetStartColumn()")) return 0; |
| 1380 | ENTER_V8; |
| 1381 | HandleScope scope; |
| 1382 | i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| 1383 | EXCEPTION_PREAMBLE(); |
| 1384 | i::Handle<i::Object> start_col_obj = CallV8HeapFunction( |
| 1385 | "GetPositionInLine", |
| 1386 | data_obj, |
| 1387 | &has_pending_exception); |
| 1388 | EXCEPTION_BAILOUT_CHECK(0); |
| 1389 | return static_cast<int>(start_col_obj->Number()); |
| 1390 | } |
| 1391 | |
| 1392 | |
| 1393 | int Message::GetEndColumn() const { |
| 1394 | if (IsDeadCheck("v8::Message::GetEndColumn()")) return 0; |
| 1395 | ENTER_V8; |
| 1396 | HandleScope scope; |
| 1397 | i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| 1398 | EXCEPTION_PREAMBLE(); |
| 1399 | i::Handle<i::Object> start_col_obj = CallV8HeapFunction( |
| 1400 | "GetPositionInLine", |
| 1401 | data_obj, |
| 1402 | &has_pending_exception); |
| 1403 | EXCEPTION_BAILOUT_CHECK(0); |
| 1404 | int start = static_cast<int>(GetProperty(data_obj, "startPos")->Number()); |
| 1405 | int end = static_cast<int>(GetProperty(data_obj, "endPos")->Number()); |
| 1406 | return static_cast<int>(start_col_obj->Number()) + (end - start); |
| 1407 | } |
| 1408 | |
| 1409 | |
| 1410 | Local<String> Message::GetSourceLine() const { |
| 1411 | ON_BAILOUT("v8::Message::GetSourceLine()", return Local<String>()); |
| 1412 | ENTER_V8; |
| 1413 | HandleScope scope; |
| 1414 | EXCEPTION_PREAMBLE(); |
| 1415 | i::Handle<i::Object> result = CallV8HeapFunction("GetSourceLine", |
| 1416 | Utils::OpenHandle(this), |
| 1417 | &has_pending_exception); |
| 1418 | EXCEPTION_BAILOUT_CHECK(Local<v8::String>()); |
| 1419 | if (result->IsString()) { |
| 1420 | return scope.Close(Utils::ToLocal(i::Handle<i::String>::cast(result))); |
| 1421 | } else { |
| 1422 | return Local<String>(); |
| 1423 | } |
| 1424 | } |
| 1425 | |
| 1426 | |
| 1427 | void Message::PrintCurrentStackTrace(FILE* out) { |
| 1428 | if (IsDeadCheck("v8::Message::PrintCurrentStackTrace()")) return; |
| 1429 | ENTER_V8; |
| 1430 | i::Top::PrintCurrentStackTrace(out); |
| 1431 | } |
| 1432 | |
| 1433 | |
| 1434 | // --- D a t a --- |
| 1435 | |
| 1436 | bool Value::IsUndefined() const { |
| 1437 | if (IsDeadCheck("v8::Value::IsUndefined()")) return false; |
| 1438 | return Utils::OpenHandle(this)->IsUndefined(); |
| 1439 | } |
| 1440 | |
| 1441 | |
| 1442 | bool Value::IsNull() const { |
| 1443 | if (IsDeadCheck("v8::Value::IsNull()")) return false; |
| 1444 | return Utils::OpenHandle(this)->IsNull(); |
| 1445 | } |
| 1446 | |
| 1447 | |
| 1448 | bool Value::IsTrue() const { |
| 1449 | if (IsDeadCheck("v8::Value::IsTrue()")) return false; |
| 1450 | return Utils::OpenHandle(this)->IsTrue(); |
| 1451 | } |
| 1452 | |
| 1453 | |
| 1454 | bool Value::IsFalse() const { |
| 1455 | if (IsDeadCheck("v8::Value::IsFalse()")) return false; |
| 1456 | return Utils::OpenHandle(this)->IsFalse(); |
| 1457 | } |
| 1458 | |
| 1459 | |
| 1460 | bool Value::IsFunction() const { |
| 1461 | if (IsDeadCheck("v8::Value::IsFunction()")) return false; |
| 1462 | return Utils::OpenHandle(this)->IsJSFunction(); |
| 1463 | } |
| 1464 | |
| 1465 | |
| 1466 | bool Value::FullIsString() const { |
| 1467 | if (IsDeadCheck("v8::Value::IsString()")) return false; |
| 1468 | bool result = Utils::OpenHandle(this)->IsString(); |
| 1469 | ASSERT_EQ(result, QuickIsString()); |
| 1470 | return result; |
| 1471 | } |
| 1472 | |
| 1473 | |
| 1474 | bool Value::IsArray() const { |
| 1475 | if (IsDeadCheck("v8::Value::IsArray()")) return false; |
| 1476 | return Utils::OpenHandle(this)->IsJSArray(); |
| 1477 | } |
| 1478 | |
| 1479 | |
| 1480 | bool Value::IsObject() const { |
| 1481 | if (IsDeadCheck("v8::Value::IsObject()")) return false; |
| 1482 | return Utils::OpenHandle(this)->IsJSObject(); |
| 1483 | } |
| 1484 | |
| 1485 | |
| 1486 | bool Value::IsNumber() const { |
| 1487 | if (IsDeadCheck("v8::Value::IsNumber()")) return false; |
| 1488 | return Utils::OpenHandle(this)->IsNumber(); |
| 1489 | } |
| 1490 | |
| 1491 | |
| 1492 | bool Value::IsBoolean() const { |
| 1493 | if (IsDeadCheck("v8::Value::IsBoolean()")) return false; |
| 1494 | return Utils::OpenHandle(this)->IsBoolean(); |
| 1495 | } |
| 1496 | |
| 1497 | |
| 1498 | bool Value::IsExternal() const { |
| 1499 | if (IsDeadCheck("v8::Value::IsExternal()")) return false; |
| 1500 | return Utils::OpenHandle(this)->IsProxy(); |
| 1501 | } |
| 1502 | |
| 1503 | |
| 1504 | bool Value::IsInt32() const { |
| 1505 | if (IsDeadCheck("v8::Value::IsInt32()")) return false; |
| 1506 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1507 | if (obj->IsSmi()) return true; |
| 1508 | if (obj->IsNumber()) { |
| 1509 | double value = obj->Number(); |
| 1510 | return i::FastI2D(i::FastD2I(value)) == value; |
| 1511 | } |
| 1512 | return false; |
| 1513 | } |
| 1514 | |
| 1515 | |
| 1516 | bool Value::IsDate() const { |
| 1517 | if (IsDeadCheck("v8::Value::IsDate()")) return false; |
| 1518 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1519 | return obj->HasSpecificClassOf(i::Heap::Date_symbol()); |
| 1520 | } |
| 1521 | |
| 1522 | |
| 1523 | Local<String> Value::ToString() const { |
| 1524 | if (IsDeadCheck("v8::Value::ToString()")) return Local<String>(); |
| 1525 | LOG_API("ToString"); |
| 1526 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1527 | i::Handle<i::Object> str; |
| 1528 | if (obj->IsString()) { |
| 1529 | str = obj; |
| 1530 | } else { |
| 1531 | ENTER_V8; |
| 1532 | EXCEPTION_PREAMBLE(); |
| 1533 | str = i::Execution::ToString(obj, &has_pending_exception); |
| 1534 | EXCEPTION_BAILOUT_CHECK(Local<String>()); |
| 1535 | } |
| 1536 | return Local<String>(ToApi<String>(str)); |
| 1537 | } |
| 1538 | |
| 1539 | |
| 1540 | Local<String> Value::ToDetailString() const { |
| 1541 | if (IsDeadCheck("v8::Value::ToDetailString()")) return Local<String>(); |
| 1542 | LOG_API("ToDetailString"); |
| 1543 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1544 | i::Handle<i::Object> str; |
| 1545 | if (obj->IsString()) { |
| 1546 | str = obj; |
| 1547 | } else { |
| 1548 | ENTER_V8; |
| 1549 | EXCEPTION_PREAMBLE(); |
| 1550 | str = i::Execution::ToDetailString(obj, &has_pending_exception); |
| 1551 | EXCEPTION_BAILOUT_CHECK(Local<String>()); |
| 1552 | } |
| 1553 | return Local<String>(ToApi<String>(str)); |
| 1554 | } |
| 1555 | |
| 1556 | |
| 1557 | Local<v8::Object> Value::ToObject() const { |
| 1558 | if (IsDeadCheck("v8::Value::ToObject()")) return Local<v8::Object>(); |
| 1559 | LOG_API("ToObject"); |
| 1560 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1561 | i::Handle<i::Object> val; |
| 1562 | if (obj->IsJSObject()) { |
| 1563 | val = obj; |
| 1564 | } else { |
| 1565 | ENTER_V8; |
| 1566 | EXCEPTION_PREAMBLE(); |
| 1567 | val = i::Execution::ToObject(obj, &has_pending_exception); |
| 1568 | EXCEPTION_BAILOUT_CHECK(Local<v8::Object>()); |
| 1569 | } |
| 1570 | return Local<v8::Object>(ToApi<Object>(val)); |
| 1571 | } |
| 1572 | |
| 1573 | |
| 1574 | Local<Boolean> Value::ToBoolean() const { |
| 1575 | if (IsDeadCheck("v8::Value::ToBoolean()")) return Local<Boolean>(); |
| 1576 | LOG_API("ToBoolean"); |
| 1577 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1578 | if (obj->IsBoolean()) { |
| 1579 | return Local<Boolean>(ToApi<Boolean>(obj)); |
| 1580 | } else { |
| 1581 | ENTER_V8; |
| 1582 | i::Handle<i::Object> val = i::Execution::ToBoolean(obj); |
| 1583 | return Local<Boolean>(ToApi<Boolean>(val)); |
| 1584 | } |
| 1585 | } |
| 1586 | |
| 1587 | |
| 1588 | Local<Number> Value::ToNumber() const { |
| 1589 | if (IsDeadCheck("v8::Value::ToNumber()")) return Local<Number>(); |
| 1590 | LOG_API("ToNumber"); |
| 1591 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1592 | i::Handle<i::Object> num; |
| 1593 | if (obj->IsNumber()) { |
| 1594 | num = obj; |
| 1595 | } else { |
| 1596 | ENTER_V8; |
| 1597 | EXCEPTION_PREAMBLE(); |
| 1598 | num = i::Execution::ToNumber(obj, &has_pending_exception); |
| 1599 | EXCEPTION_BAILOUT_CHECK(Local<Number>()); |
| 1600 | } |
| 1601 | return Local<Number>(ToApi<Number>(num)); |
| 1602 | } |
| 1603 | |
| 1604 | |
| 1605 | Local<Integer> Value::ToInteger() const { |
| 1606 | if (IsDeadCheck("v8::Value::ToInteger()")) return Local<Integer>(); |
| 1607 | LOG_API("ToInteger"); |
| 1608 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1609 | i::Handle<i::Object> num; |
| 1610 | if (obj->IsSmi()) { |
| 1611 | num = obj; |
| 1612 | } else { |
| 1613 | ENTER_V8; |
| 1614 | EXCEPTION_PREAMBLE(); |
| 1615 | num = i::Execution::ToInteger(obj, &has_pending_exception); |
| 1616 | EXCEPTION_BAILOUT_CHECK(Local<Integer>()); |
| 1617 | } |
| 1618 | return Local<Integer>(ToApi<Integer>(num)); |
| 1619 | } |
| 1620 | |
| 1621 | |
| 1622 | void External::CheckCast(v8::Value* that) { |
| 1623 | if (IsDeadCheck("v8::External::Cast()")) return; |
| 1624 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1625 | ApiCheck(obj->IsProxy(), |
| 1626 | "v8::External::Cast()", |
| 1627 | "Could not convert to external"); |
| 1628 | } |
| 1629 | |
| 1630 | |
| 1631 | void v8::Object::CheckCast(Value* that) { |
| 1632 | if (IsDeadCheck("v8::Object::Cast()")) return; |
| 1633 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1634 | ApiCheck(obj->IsJSObject(), |
| 1635 | "v8::Object::Cast()", |
| 1636 | "Could not convert to object"); |
| 1637 | } |
| 1638 | |
| 1639 | |
| 1640 | void v8::Function::CheckCast(Value* that) { |
| 1641 | if (IsDeadCheck("v8::Function::Cast()")) return; |
| 1642 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1643 | ApiCheck(obj->IsJSFunction(), |
| 1644 | "v8::Function::Cast()", |
| 1645 | "Could not convert to function"); |
| 1646 | } |
| 1647 | |
| 1648 | |
| 1649 | void v8::String::CheckCast(v8::Value* that) { |
| 1650 | if (IsDeadCheck("v8::String::Cast()")) return; |
| 1651 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1652 | ApiCheck(obj->IsString(), |
| 1653 | "v8::String::Cast()", |
| 1654 | "Could not convert to string"); |
| 1655 | } |
| 1656 | |
| 1657 | |
| 1658 | void v8::Number::CheckCast(v8::Value* that) { |
| 1659 | if (IsDeadCheck("v8::Number::Cast()")) return; |
| 1660 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1661 | ApiCheck(obj->IsNumber(), |
| 1662 | "v8::Number::Cast()", |
| 1663 | "Could not convert to number"); |
| 1664 | } |
| 1665 | |
| 1666 | |
| 1667 | void v8::Integer::CheckCast(v8::Value* that) { |
| 1668 | if (IsDeadCheck("v8::Integer::Cast()")) return; |
| 1669 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1670 | ApiCheck(obj->IsNumber(), |
| 1671 | "v8::Integer::Cast()", |
| 1672 | "Could not convert to number"); |
| 1673 | } |
| 1674 | |
| 1675 | |
| 1676 | void v8::Array::CheckCast(Value* that) { |
| 1677 | if (IsDeadCheck("v8::Array::Cast()")) return; |
| 1678 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1679 | ApiCheck(obj->IsJSArray(), |
| 1680 | "v8::Array::Cast()", |
| 1681 | "Could not convert to array"); |
| 1682 | } |
| 1683 | |
| 1684 | |
| 1685 | void v8::Date::CheckCast(v8::Value* that) { |
| 1686 | if (IsDeadCheck("v8::Date::Cast()")) return; |
| 1687 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1688 | ApiCheck(obj->HasSpecificClassOf(i::Heap::Date_symbol()), |
| 1689 | "v8::Date::Cast()", |
| 1690 | "Could not convert to date"); |
| 1691 | } |
| 1692 | |
| 1693 | |
| 1694 | bool Value::BooleanValue() const { |
| 1695 | if (IsDeadCheck("v8::Value::BooleanValue()")) return false; |
| 1696 | LOG_API("BooleanValue"); |
| 1697 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1698 | if (obj->IsBoolean()) { |
| 1699 | return obj->IsTrue(); |
| 1700 | } else { |
| 1701 | ENTER_V8; |
| 1702 | i::Handle<i::Object> value = i::Execution::ToBoolean(obj); |
| 1703 | return value->IsTrue(); |
| 1704 | } |
| 1705 | } |
| 1706 | |
| 1707 | |
| 1708 | double Value::NumberValue() const { |
| 1709 | if (IsDeadCheck("v8::Value::NumberValue()")) return i::OS::nan_value(); |
| 1710 | LOG_API("NumberValue"); |
| 1711 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1712 | i::Handle<i::Object> num; |
| 1713 | if (obj->IsNumber()) { |
| 1714 | num = obj; |
| 1715 | } else { |
| 1716 | ENTER_V8; |
| 1717 | EXCEPTION_PREAMBLE(); |
| 1718 | num = i::Execution::ToNumber(obj, &has_pending_exception); |
| 1719 | EXCEPTION_BAILOUT_CHECK(i::OS::nan_value()); |
| 1720 | } |
| 1721 | return num->Number(); |
| 1722 | } |
| 1723 | |
| 1724 | |
| 1725 | int64_t Value::IntegerValue() const { |
| 1726 | if (IsDeadCheck("v8::Value::IntegerValue()")) return 0; |
| 1727 | LOG_API("IntegerValue"); |
| 1728 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1729 | i::Handle<i::Object> num; |
| 1730 | if (obj->IsNumber()) { |
| 1731 | num = obj; |
| 1732 | } else { |
| 1733 | ENTER_V8; |
| 1734 | EXCEPTION_PREAMBLE(); |
| 1735 | num = i::Execution::ToInteger(obj, &has_pending_exception); |
| 1736 | EXCEPTION_BAILOUT_CHECK(0); |
| 1737 | } |
| 1738 | if (num->IsSmi()) { |
| 1739 | return i::Smi::cast(*num)->value(); |
| 1740 | } else { |
| 1741 | return static_cast<int64_t>(num->Number()); |
| 1742 | } |
| 1743 | } |
| 1744 | |
| 1745 | |
| 1746 | Local<Int32> Value::ToInt32() const { |
| 1747 | if (IsDeadCheck("v8::Value::ToInt32()")) return Local<Int32>(); |
| 1748 | LOG_API("ToInt32"); |
| 1749 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1750 | i::Handle<i::Object> num; |
| 1751 | if (obj->IsSmi()) { |
| 1752 | num = obj; |
| 1753 | } else { |
| 1754 | ENTER_V8; |
| 1755 | EXCEPTION_PREAMBLE(); |
| 1756 | num = i::Execution::ToInt32(obj, &has_pending_exception); |
| 1757 | EXCEPTION_BAILOUT_CHECK(Local<Int32>()); |
| 1758 | } |
| 1759 | return Local<Int32>(ToApi<Int32>(num)); |
| 1760 | } |
| 1761 | |
| 1762 | |
| 1763 | Local<Uint32> Value::ToUint32() const { |
| 1764 | if (IsDeadCheck("v8::Value::ToUint32()")) return Local<Uint32>(); |
| 1765 | LOG_API("ToUInt32"); |
| 1766 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1767 | i::Handle<i::Object> num; |
| 1768 | if (obj->IsSmi()) { |
| 1769 | num = obj; |
| 1770 | } else { |
| 1771 | ENTER_V8; |
| 1772 | EXCEPTION_PREAMBLE(); |
| 1773 | num = i::Execution::ToUint32(obj, &has_pending_exception); |
| 1774 | EXCEPTION_BAILOUT_CHECK(Local<Uint32>()); |
| 1775 | } |
| 1776 | return Local<Uint32>(ToApi<Uint32>(num)); |
| 1777 | } |
| 1778 | |
| 1779 | |
| 1780 | Local<Uint32> Value::ToArrayIndex() const { |
| 1781 | if (IsDeadCheck("v8::Value::ToArrayIndex()")) return Local<Uint32>(); |
| 1782 | LOG_API("ToArrayIndex"); |
| 1783 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1784 | if (obj->IsSmi()) { |
| 1785 | if (i::Smi::cast(*obj)->value() >= 0) return Utils::Uint32ToLocal(obj); |
| 1786 | return Local<Uint32>(); |
| 1787 | } |
| 1788 | ENTER_V8; |
| 1789 | EXCEPTION_PREAMBLE(); |
| 1790 | i::Handle<i::Object> string_obj = |
| 1791 | i::Execution::ToString(obj, &has_pending_exception); |
| 1792 | EXCEPTION_BAILOUT_CHECK(Local<Uint32>()); |
| 1793 | i::Handle<i::String> str = i::Handle<i::String>::cast(string_obj); |
| 1794 | uint32_t index; |
| 1795 | if (str->AsArrayIndex(&index)) { |
| 1796 | i::Handle<i::Object> value; |
| 1797 | if (index <= static_cast<uint32_t>(i::Smi::kMaxValue)) { |
| 1798 | value = i::Handle<i::Object>(i::Smi::FromInt(index)); |
| 1799 | } else { |
| 1800 | value = i::Factory::NewNumber(index); |
| 1801 | } |
| 1802 | return Utils::Uint32ToLocal(value); |
| 1803 | } |
| 1804 | return Local<Uint32>(); |
| 1805 | } |
| 1806 | |
| 1807 | |
| 1808 | int32_t Value::Int32Value() const { |
| 1809 | if (IsDeadCheck("v8::Value::Int32Value()")) return 0; |
| 1810 | LOG_API("Int32Value"); |
| 1811 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1812 | if (obj->IsSmi()) { |
| 1813 | return i::Smi::cast(*obj)->value(); |
| 1814 | } else { |
| 1815 | LOG_API("Int32Value (slow)"); |
| 1816 | ENTER_V8; |
| 1817 | EXCEPTION_PREAMBLE(); |
| 1818 | i::Handle<i::Object> num = |
| 1819 | i::Execution::ToInt32(obj, &has_pending_exception); |
| 1820 | EXCEPTION_BAILOUT_CHECK(0); |
| 1821 | if (num->IsSmi()) { |
| 1822 | return i::Smi::cast(*num)->value(); |
| 1823 | } else { |
| 1824 | return static_cast<int32_t>(num->Number()); |
| 1825 | } |
| 1826 | } |
| 1827 | } |
| 1828 | |
| 1829 | |
| 1830 | bool Value::Equals(Handle<Value> that) const { |
| 1831 | if (IsDeadCheck("v8::Value::Equals()") |
| 1832 | || EmptyCheck("v8::Value::Equals()", this) |
| 1833 | || EmptyCheck("v8::Value::Equals()", that)) { |
| 1834 | return false; |
| 1835 | } |
| 1836 | LOG_API("Equals"); |
| 1837 | ENTER_V8; |
| 1838 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1839 | i::Handle<i::Object> other = Utils::OpenHandle(*that); |
| 1840 | i::Object** args[1] = { other.location() }; |
| 1841 | EXCEPTION_PREAMBLE(); |
| 1842 | i::Handle<i::Object> result = |
| 1843 | CallV8HeapFunction("EQUALS", obj, 1, args, &has_pending_exception); |
| 1844 | EXCEPTION_BAILOUT_CHECK(false); |
| 1845 | return *result == i::Smi::FromInt(i::EQUAL); |
| 1846 | } |
| 1847 | |
| 1848 | |
| 1849 | bool Value::StrictEquals(Handle<Value> that) const { |
| 1850 | if (IsDeadCheck("v8::Value::StrictEquals()") |
| 1851 | || EmptyCheck("v8::Value::StrictEquals()", this) |
| 1852 | || EmptyCheck("v8::Value::StrictEquals()", that)) { |
| 1853 | return false; |
| 1854 | } |
| 1855 | LOG_API("StrictEquals"); |
| 1856 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1857 | i::Handle<i::Object> other = Utils::OpenHandle(*that); |
| 1858 | // Must check HeapNumber first, since NaN !== NaN. |
| 1859 | if (obj->IsHeapNumber()) { |
| 1860 | if (!other->IsNumber()) return false; |
| 1861 | double x = obj->Number(); |
| 1862 | double y = other->Number(); |
| 1863 | // Must check explicitly for NaN:s on Windows, but -0 works fine. |
| 1864 | return x == y && !isnan(x) && !isnan(y); |
| 1865 | } else if (*obj == *other) { // Also covers Booleans. |
| 1866 | return true; |
| 1867 | } else if (obj->IsSmi()) { |
| 1868 | return other->IsNumber() && obj->Number() == other->Number(); |
| 1869 | } else if (obj->IsString()) { |
| 1870 | return other->IsString() && |
| 1871 | i::String::cast(*obj)->Equals(i::String::cast(*other)); |
| 1872 | } else if (obj->IsUndefined() || obj->IsUndetectableObject()) { |
| 1873 | return other->IsUndefined() || other->IsUndetectableObject(); |
| 1874 | } else { |
| 1875 | return false; |
| 1876 | } |
| 1877 | } |
| 1878 | |
| 1879 | |
| 1880 | uint32_t Value::Uint32Value() const { |
| 1881 | if (IsDeadCheck("v8::Value::Uint32Value()")) return 0; |
| 1882 | LOG_API("Uint32Value"); |
| 1883 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1884 | if (obj->IsSmi()) { |
| 1885 | return i::Smi::cast(*obj)->value(); |
| 1886 | } else { |
| 1887 | ENTER_V8; |
| 1888 | EXCEPTION_PREAMBLE(); |
| 1889 | i::Handle<i::Object> num = |
| 1890 | i::Execution::ToUint32(obj, &has_pending_exception); |
| 1891 | EXCEPTION_BAILOUT_CHECK(0); |
| 1892 | if (num->IsSmi()) { |
| 1893 | return i::Smi::cast(*num)->value(); |
| 1894 | } else { |
| 1895 | return static_cast<uint32_t>(num->Number()); |
| 1896 | } |
| 1897 | } |
| 1898 | } |
| 1899 | |
| 1900 | |
| 1901 | bool v8::Object::Set(v8::Handle<Value> key, v8::Handle<Value> value, |
| 1902 | v8::PropertyAttribute attribs) { |
| 1903 | ON_BAILOUT("v8::Object::Set()", return false); |
| 1904 | ENTER_V8; |
| 1905 | HandleScope scope; |
| 1906 | i::Handle<i::Object> self = Utils::OpenHandle(this); |
| 1907 | i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| 1908 | i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| 1909 | EXCEPTION_PREAMBLE(); |
| 1910 | i::Handle<i::Object> obj = i::SetProperty( |
| 1911 | self, |
| 1912 | key_obj, |
| 1913 | value_obj, |
| 1914 | static_cast<PropertyAttributes>(attribs)); |
| 1915 | has_pending_exception = obj.is_null(); |
| 1916 | EXCEPTION_BAILOUT_CHECK(false); |
| 1917 | return true; |
| 1918 | } |
| 1919 | |
| 1920 | |
| 1921 | bool v8::Object::ForceSet(v8::Handle<Value> key, |
| 1922 | v8::Handle<Value> value, |
| 1923 | v8::PropertyAttribute attribs) { |
| 1924 | ON_BAILOUT("v8::Object::ForceSet()", return false); |
| 1925 | ENTER_V8; |
| 1926 | HandleScope scope; |
| 1927 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 1928 | i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| 1929 | i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| 1930 | EXCEPTION_PREAMBLE(); |
| 1931 | i::Handle<i::Object> obj = i::ForceSetProperty( |
| 1932 | self, |
| 1933 | key_obj, |
| 1934 | value_obj, |
| 1935 | static_cast<PropertyAttributes>(attribs)); |
| 1936 | has_pending_exception = obj.is_null(); |
| 1937 | EXCEPTION_BAILOUT_CHECK(false); |
| 1938 | return true; |
| 1939 | } |
| 1940 | |
| 1941 | |
| 1942 | bool v8::Object::ForceDelete(v8::Handle<Value> key) { |
| 1943 | ON_BAILOUT("v8::Object::ForceDelete()", return false); |
| 1944 | ENTER_V8; |
| 1945 | HandleScope scope; |
| 1946 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 1947 | i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| 1948 | EXCEPTION_PREAMBLE(); |
| 1949 | i::Handle<i::Object> obj = i::ForceDeleteProperty(self, key_obj); |
| 1950 | has_pending_exception = obj.is_null(); |
| 1951 | EXCEPTION_BAILOUT_CHECK(false); |
| 1952 | return obj->IsTrue(); |
| 1953 | } |
| 1954 | |
| 1955 | |
| 1956 | Local<Value> v8::Object::Get(v8::Handle<Value> key) { |
| 1957 | ON_BAILOUT("v8::Object::Get()", return Local<v8::Value>()); |
| 1958 | ENTER_V8; |
| 1959 | i::Handle<i::Object> self = Utils::OpenHandle(this); |
| 1960 | i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| 1961 | EXCEPTION_PREAMBLE(); |
| 1962 | i::Handle<i::Object> result = i::GetProperty(self, key_obj); |
| 1963 | has_pending_exception = result.is_null(); |
| 1964 | EXCEPTION_BAILOUT_CHECK(Local<Value>()); |
| 1965 | return Utils::ToLocal(result); |
| 1966 | } |
| 1967 | |
| 1968 | |
| 1969 | Local<Value> v8::Object::GetPrototype() { |
| 1970 | ON_BAILOUT("v8::Object::GetPrototype()", return Local<v8::Value>()); |
| 1971 | ENTER_V8; |
| 1972 | i::Handle<i::Object> self = Utils::OpenHandle(this); |
| 1973 | i::Handle<i::Object> result = i::GetPrototype(self); |
| 1974 | return Utils::ToLocal(result); |
| 1975 | } |
| 1976 | |
| 1977 | |
| 1978 | Local<Object> v8::Object::FindInstanceInPrototypeChain( |
| 1979 | v8::Handle<FunctionTemplate> tmpl) { |
| 1980 | ON_BAILOUT("v8::Object::FindInstanceInPrototypeChain()", |
| 1981 | return Local<v8::Object>()); |
| 1982 | ENTER_V8; |
| 1983 | i::JSObject* object = *Utils::OpenHandle(this); |
| 1984 | i::FunctionTemplateInfo* tmpl_info = *Utils::OpenHandle(*tmpl); |
| 1985 | while (!object->IsInstanceOf(tmpl_info)) { |
| 1986 | i::Object* prototype = object->GetPrototype(); |
| 1987 | if (!prototype->IsJSObject()) return Local<Object>(); |
| 1988 | object = i::JSObject::cast(prototype); |
| 1989 | } |
| 1990 | return Utils::ToLocal(i::Handle<i::JSObject>(object)); |
| 1991 | } |
| 1992 | |
| 1993 | |
| 1994 | Local<Array> v8::Object::GetPropertyNames() { |
| 1995 | ON_BAILOUT("v8::Object::GetPropertyNames()", return Local<v8::Array>()); |
| 1996 | ENTER_V8; |
| 1997 | v8::HandleScope scope; |
| 1998 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 1999 | i::Handle<i::FixedArray> value = |
| 2000 | i::GetKeysInFixedArrayFor(self, i::INCLUDE_PROTOS); |
| 2001 | // Because we use caching to speed up enumeration it is important |
| 2002 | // to never change the result of the basic enumeration function so |
| 2003 | // we clone the result. |
| 2004 | i::Handle<i::FixedArray> elms = i::Factory::CopyFixedArray(value); |
| 2005 | i::Handle<i::JSArray> result = i::Factory::NewJSArrayWithElements(elms); |
| 2006 | return scope.Close(Utils::ToLocal(result)); |
| 2007 | } |
| 2008 | |
| 2009 | |
| 2010 | Local<String> v8::Object::ObjectProtoToString() { |
| 2011 | ON_BAILOUT("v8::Object::ObjectProtoToString()", return Local<v8::String>()); |
| 2012 | ENTER_V8; |
| 2013 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2014 | |
| 2015 | i::Handle<i::Object> name(self->class_name()); |
| 2016 | |
| 2017 | // Native implementation of Object.prototype.toString (v8natives.js): |
| 2018 | // var c = %ClassOf(this); |
| 2019 | // if (c === 'Arguments') c = 'Object'; |
| 2020 | // return "[object " + c + "]"; |
| 2021 | |
| 2022 | if (!name->IsString()) { |
| 2023 | return v8::String::New("[object ]"); |
| 2024 | |
| 2025 | } else { |
| 2026 | i::Handle<i::String> class_name = i::Handle<i::String>::cast(name); |
| 2027 | if (class_name->IsEqualTo(i::CStrVector("Arguments"))) { |
| 2028 | return v8::String::New("[object Object]"); |
| 2029 | |
| 2030 | } else { |
| 2031 | const char* prefix = "[object "; |
| 2032 | Local<String> str = Utils::ToLocal(class_name); |
| 2033 | const char* postfix = "]"; |
| 2034 | |
| 2035 | size_t prefix_len = strlen(prefix); |
| 2036 | size_t str_len = str->Length(); |
| 2037 | size_t postfix_len = strlen(postfix); |
| 2038 | |
| 2039 | size_t buf_len = prefix_len + str_len + postfix_len; |
| 2040 | char* buf = i::NewArray<char>(buf_len); |
| 2041 | |
| 2042 | // Write prefix. |
| 2043 | char* ptr = buf; |
| 2044 | memcpy(ptr, prefix, prefix_len * v8::internal::kCharSize); |
| 2045 | ptr += prefix_len; |
| 2046 | |
| 2047 | // Write real content. |
| 2048 | str->WriteAscii(ptr, 0, str_len); |
| 2049 | ptr += str_len; |
| 2050 | |
| 2051 | // Write postfix. |
| 2052 | memcpy(ptr, postfix, postfix_len * v8::internal::kCharSize); |
| 2053 | |
| 2054 | // Copy the buffer into a heap-allocated string and return it. |
| 2055 | Local<String> result = v8::String::New(buf, buf_len); |
| 2056 | i::DeleteArray(buf); |
| 2057 | return result; |
| 2058 | } |
| 2059 | } |
| 2060 | } |
| 2061 | |
| 2062 | |
| 2063 | bool v8::Object::Delete(v8::Handle<String> key) { |
| 2064 | ON_BAILOUT("v8::Object::Delete()", return false); |
| 2065 | ENTER_V8; |
| 2066 | HandleScope scope; |
| 2067 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2068 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2069 | return i::DeleteProperty(self, key_obj)->IsTrue(); |
| 2070 | } |
| 2071 | |
| 2072 | |
| 2073 | bool v8::Object::Has(v8::Handle<String> key) { |
| 2074 | ON_BAILOUT("v8::Object::Has()", return false); |
| 2075 | ENTER_V8; |
| 2076 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2077 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2078 | return self->HasProperty(*key_obj); |
| 2079 | } |
| 2080 | |
| 2081 | |
| 2082 | bool v8::Object::Delete(uint32_t index) { |
| 2083 | ON_BAILOUT("v8::Object::DeleteProperty()", return false); |
| 2084 | ENTER_V8; |
| 2085 | HandleScope scope; |
| 2086 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2087 | return i::DeleteElement(self, index)->IsTrue(); |
| 2088 | } |
| 2089 | |
| 2090 | |
| 2091 | bool v8::Object::Has(uint32_t index) { |
| 2092 | ON_BAILOUT("v8::Object::HasProperty()", return false); |
| 2093 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2094 | return self->HasElement(index); |
| 2095 | } |
| 2096 | |
| 2097 | |
| 2098 | bool v8::Object::HasRealNamedProperty(Handle<String> key) { |
| 2099 | ON_BAILOUT("v8::Object::HasRealNamedProperty()", return false); |
| 2100 | return Utils::OpenHandle(this)->HasRealNamedProperty( |
| 2101 | *Utils::OpenHandle(*key)); |
| 2102 | } |
| 2103 | |
| 2104 | |
| 2105 | bool v8::Object::HasRealIndexedProperty(uint32_t index) { |
| 2106 | ON_BAILOUT("v8::Object::HasRealIndexedProperty()", return false); |
| 2107 | return Utils::OpenHandle(this)->HasRealElementProperty(index); |
| 2108 | } |
| 2109 | |
| 2110 | |
| 2111 | bool v8::Object::HasRealNamedCallbackProperty(Handle<String> key) { |
| 2112 | ON_BAILOUT("v8::Object::HasRealNamedCallbackProperty()", return false); |
| 2113 | ENTER_V8; |
| 2114 | return Utils::OpenHandle(this)->HasRealNamedCallbackProperty( |
| 2115 | *Utils::OpenHandle(*key)); |
| 2116 | } |
| 2117 | |
| 2118 | |
| 2119 | bool v8::Object::HasNamedLookupInterceptor() { |
| 2120 | ON_BAILOUT("v8::Object::HasNamedLookupInterceptor()", return false); |
| 2121 | return Utils::OpenHandle(this)->HasNamedInterceptor(); |
| 2122 | } |
| 2123 | |
| 2124 | |
| 2125 | bool v8::Object::HasIndexedLookupInterceptor() { |
| 2126 | ON_BAILOUT("v8::Object::HasIndexedLookupInterceptor()", return false); |
| 2127 | return Utils::OpenHandle(this)->HasIndexedInterceptor(); |
| 2128 | } |
| 2129 | |
| 2130 | |
| 2131 | Local<Value> v8::Object::GetRealNamedPropertyInPrototypeChain( |
| 2132 | Handle<String> key) { |
| 2133 | ON_BAILOUT("v8::Object::GetRealNamedPropertyInPrototypeChain()", |
| 2134 | return Local<Value>()); |
| 2135 | ENTER_V8; |
| 2136 | i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this); |
| 2137 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2138 | i::LookupResult lookup; |
| 2139 | self_obj->LookupRealNamedPropertyInPrototypes(*key_obj, &lookup); |
| 2140 | if (lookup.IsValid()) { |
| 2141 | PropertyAttributes attributes; |
| 2142 | i::Handle<i::Object> result(self_obj->GetProperty(*self_obj, |
| 2143 | &lookup, |
| 2144 | *key_obj, |
| 2145 | &attributes)); |
| 2146 | return Utils::ToLocal(result); |
| 2147 | } |
| 2148 | return Local<Value>(); // No real property was found in prototype chain. |
| 2149 | } |
| 2150 | |
| 2151 | |
| 2152 | Local<Value> v8::Object::GetRealNamedProperty(Handle<String> key) { |
| 2153 | ON_BAILOUT("v8::Object::GetRealNamedProperty()", return Local<Value>()); |
| 2154 | ENTER_V8; |
| 2155 | i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this); |
| 2156 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2157 | i::LookupResult lookup; |
| 2158 | self_obj->LookupRealNamedProperty(*key_obj, &lookup); |
| 2159 | if (lookup.IsValid()) { |
| 2160 | PropertyAttributes attributes; |
| 2161 | i::Handle<i::Object> result(self_obj->GetProperty(*self_obj, |
| 2162 | &lookup, |
| 2163 | *key_obj, |
| 2164 | &attributes)); |
| 2165 | return Utils::ToLocal(result); |
| 2166 | } |
| 2167 | return Local<Value>(); // No real property was found in prototype chain. |
| 2168 | } |
| 2169 | |
| 2170 | |
| 2171 | // Turns on access checks by copying the map and setting the check flag. |
| 2172 | // Because the object gets a new map, existing inline cache caching |
| 2173 | // the old map of this object will fail. |
| 2174 | void v8::Object::TurnOnAccessCheck() { |
| 2175 | ON_BAILOUT("v8::Object::TurnOnAccessCheck()", return); |
| 2176 | ENTER_V8; |
| 2177 | HandleScope scope; |
| 2178 | i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| 2179 | |
| 2180 | i::Handle<i::Map> new_map = |
| 2181 | i::Factory::CopyMapDropTransitions(i::Handle<i::Map>(obj->map())); |
| 2182 | new_map->set_is_access_check_needed(true); |
| 2183 | obj->set_map(*new_map); |
| 2184 | } |
| 2185 | |
| 2186 | |
| 2187 | bool v8::Object::IsDirty() { |
| 2188 | return Utils::OpenHandle(this)->IsDirty(); |
| 2189 | } |
| 2190 | |
| 2191 | |
| 2192 | Local<v8::Object> v8::Object::Clone() { |
| 2193 | ON_BAILOUT("v8::Object::Clone()", return Local<Object>()); |
| 2194 | ENTER_V8; |
| 2195 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2196 | EXCEPTION_PREAMBLE(); |
| 2197 | i::Handle<i::JSObject> result = i::Copy(self); |
| 2198 | has_pending_exception = result.is_null(); |
| 2199 | EXCEPTION_BAILOUT_CHECK(Local<Object>()); |
| 2200 | return Utils::ToLocal(result); |
| 2201 | } |
| 2202 | |
| 2203 | |
| 2204 | int v8::Object::GetIdentityHash() { |
| 2205 | ON_BAILOUT("v8::Object::GetIdentityHash()", return 0); |
| 2206 | ENTER_V8; |
| 2207 | HandleScope scope; |
| 2208 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2209 | i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, true)); |
| 2210 | i::Handle<i::Object> hash_symbol = i::Factory::identity_hash_symbol(); |
| 2211 | i::Handle<i::Object> hash = i::GetProperty(hidden_props, hash_symbol); |
| 2212 | int hash_value; |
| 2213 | if (hash->IsSmi()) { |
| 2214 | hash_value = i::Smi::cast(*hash)->value(); |
| 2215 | } else { |
| 2216 | int attempts = 0; |
| 2217 | do { |
| 2218 | // Generate a random 32-bit hash value but limit range to fit |
| 2219 | // within a smi. |
| 2220 | hash_value = i::V8::Random() & i::Smi::kMaxValue; |
| 2221 | attempts++; |
| 2222 | } while (hash_value == 0 && attempts < 30); |
| 2223 | hash_value = hash_value != 0 ? hash_value : 1; // never return 0 |
| 2224 | i::SetProperty(hidden_props, |
| 2225 | hash_symbol, |
| 2226 | i::Handle<i::Object>(i::Smi::FromInt(hash_value)), |
| 2227 | static_cast<PropertyAttributes>(None)); |
| 2228 | } |
| 2229 | return hash_value; |
| 2230 | } |
| 2231 | |
| 2232 | |
| 2233 | bool v8::Object::SetHiddenValue(v8::Handle<v8::String> key, |
| 2234 | v8::Handle<v8::Value> value) { |
| 2235 | ON_BAILOUT("v8::Object::SetHiddenValue()", return false); |
| 2236 | ENTER_V8; |
| 2237 | HandleScope scope; |
| 2238 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2239 | i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, true)); |
| 2240 | i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| 2241 | i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| 2242 | EXCEPTION_PREAMBLE(); |
| 2243 | i::Handle<i::Object> obj = i::SetProperty( |
| 2244 | hidden_props, |
| 2245 | key_obj, |
| 2246 | value_obj, |
| 2247 | static_cast<PropertyAttributes>(None)); |
| 2248 | has_pending_exception = obj.is_null(); |
| 2249 | EXCEPTION_BAILOUT_CHECK(false); |
| 2250 | return true; |
| 2251 | } |
| 2252 | |
| 2253 | |
| 2254 | v8::Local<v8::Value> v8::Object::GetHiddenValue(v8::Handle<v8::String> key) { |
| 2255 | ON_BAILOUT("v8::Object::GetHiddenValue()", return Local<v8::Value>()); |
| 2256 | ENTER_V8; |
| 2257 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2258 | i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, false)); |
| 2259 | if (hidden_props->IsUndefined()) { |
| 2260 | return v8::Local<v8::Value>(); |
| 2261 | } |
| 2262 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2263 | EXCEPTION_PREAMBLE(); |
| 2264 | i::Handle<i::Object> result = i::GetProperty(hidden_props, key_obj); |
| 2265 | has_pending_exception = result.is_null(); |
| 2266 | EXCEPTION_BAILOUT_CHECK(v8::Local<v8::Value>()); |
| 2267 | if (result->IsUndefined()) { |
| 2268 | return v8::Local<v8::Value>(); |
| 2269 | } |
| 2270 | return Utils::ToLocal(result); |
| 2271 | } |
| 2272 | |
| 2273 | |
| 2274 | bool v8::Object::DeleteHiddenValue(v8::Handle<v8::String> key) { |
| 2275 | ON_BAILOUT("v8::DeleteHiddenValue()", return false); |
| 2276 | ENTER_V8; |
| 2277 | HandleScope scope; |
| 2278 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2279 | i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, false)); |
| 2280 | if (hidden_props->IsUndefined()) { |
| 2281 | return true; |
| 2282 | } |
| 2283 | i::Handle<i::JSObject> js_obj(i::JSObject::cast(*hidden_props)); |
| 2284 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2285 | return i::DeleteProperty(js_obj, key_obj)->IsTrue(); |
| 2286 | } |
| 2287 | |
| 2288 | |
| 2289 | void v8::Object::SetIndexedPropertiesToPixelData(uint8_t* data, int length) { |
| 2290 | ON_BAILOUT("v8::SetElementsToPixelData()", return); |
| 2291 | ENTER_V8; |
| 2292 | HandleScope scope; |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 2293 | if (!ApiCheck(length <= i::PixelArray::kMaxLength, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2294 | "v8::Object::SetIndexedPropertiesToPixelData()", |
| 2295 | "length exceeds max acceptable value")) { |
| 2296 | return; |
| 2297 | } |
| 2298 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2299 | if (!ApiCheck(!self->IsJSArray(), |
| 2300 | "v8::Object::SetIndexedPropertiesToPixelData()", |
| 2301 | "JSArray is not supported")) { |
| 2302 | return; |
| 2303 | } |
| 2304 | i::Handle<i::PixelArray> pixels = i::Factory::NewPixelArray(length, data); |
| 2305 | self->set_elements(*pixels); |
| 2306 | } |
| 2307 | |
| 2308 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 2309 | void v8::Object::SetIndexedPropertiesToExternalArrayData( |
| 2310 | void* data, |
| 2311 | ExternalArrayType array_type, |
| 2312 | int length) { |
| 2313 | ON_BAILOUT("v8::SetIndexedPropertiesToExternalArrayData()", return); |
| 2314 | ENTER_V8; |
| 2315 | HandleScope scope; |
| 2316 | if (!ApiCheck(length <= i::ExternalArray::kMaxLength, |
| 2317 | "v8::Object::SetIndexedPropertiesToExternalArrayData()", |
| 2318 | "length exceeds max acceptable value")) { |
| 2319 | return; |
| 2320 | } |
| 2321 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2322 | if (!ApiCheck(!self->IsJSArray(), |
| 2323 | "v8::Object::SetIndexedPropertiesToExternalArrayData()", |
| 2324 | "JSArray is not supported")) { |
| 2325 | return; |
| 2326 | } |
| 2327 | i::Handle<i::ExternalArray> array = |
| 2328 | i::Factory::NewExternalArray(length, array_type, data); |
| 2329 | self->set_elements(*array); |
| 2330 | } |
| 2331 | |
| 2332 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2333 | Local<v8::Object> Function::NewInstance() const { |
| 2334 | return NewInstance(0, NULL); |
| 2335 | } |
| 2336 | |
| 2337 | |
| 2338 | Local<v8::Object> Function::NewInstance(int argc, |
| 2339 | v8::Handle<v8::Value> argv[]) const { |
| 2340 | ON_BAILOUT("v8::Function::NewInstance()", return Local<v8::Object>()); |
| 2341 | LOG_API("Function::NewInstance"); |
| 2342 | ENTER_V8; |
| 2343 | HandleScope scope; |
| 2344 | i::Handle<i::JSFunction> function = Utils::OpenHandle(this); |
| 2345 | STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**)); |
| 2346 | i::Object*** args = reinterpret_cast<i::Object***>(argv); |
| 2347 | EXCEPTION_PREAMBLE(); |
| 2348 | i::Handle<i::Object> returned = |
| 2349 | i::Execution::New(function, argc, args, &has_pending_exception); |
| 2350 | EXCEPTION_BAILOUT_CHECK(Local<v8::Object>()); |
| 2351 | return scope.Close(Utils::ToLocal(i::Handle<i::JSObject>::cast(returned))); |
| 2352 | } |
| 2353 | |
| 2354 | |
| 2355 | Local<v8::Value> Function::Call(v8::Handle<v8::Object> recv, int argc, |
| 2356 | v8::Handle<v8::Value> argv[]) { |
| 2357 | ON_BAILOUT("v8::Function::Call()", return Local<v8::Value>()); |
| 2358 | LOG_API("Function::Call"); |
| 2359 | ENTER_V8; |
| 2360 | i::Object* raw_result = NULL; |
| 2361 | { |
| 2362 | HandleScope scope; |
| 2363 | i::Handle<i::JSFunction> fun = Utils::OpenHandle(this); |
| 2364 | i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv); |
| 2365 | STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**)); |
| 2366 | i::Object*** args = reinterpret_cast<i::Object***>(argv); |
| 2367 | EXCEPTION_PREAMBLE(); |
| 2368 | i::Handle<i::Object> returned = |
| 2369 | i::Execution::Call(fun, recv_obj, argc, args, &has_pending_exception); |
| 2370 | EXCEPTION_BAILOUT_CHECK(Local<Object>()); |
| 2371 | raw_result = *returned; |
| 2372 | } |
| 2373 | i::Handle<i::Object> result(raw_result); |
| 2374 | return Utils::ToLocal(result); |
| 2375 | } |
| 2376 | |
| 2377 | |
| 2378 | void Function::SetName(v8::Handle<v8::String> name) { |
| 2379 | ENTER_V8; |
| 2380 | i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| 2381 | func->shared()->set_name(*Utils::OpenHandle(*name)); |
| 2382 | } |
| 2383 | |
| 2384 | |
| 2385 | Handle<Value> Function::GetName() const { |
| 2386 | i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| 2387 | return Utils::ToLocal(i::Handle<i::Object>(func->shared()->name())); |
| 2388 | } |
| 2389 | |
| 2390 | |
| 2391 | int String::Length() const { |
| 2392 | if (IsDeadCheck("v8::String::Length()")) return 0; |
| 2393 | return Utils::OpenHandle(this)->length(); |
| 2394 | } |
| 2395 | |
| 2396 | |
| 2397 | int String::Utf8Length() const { |
| 2398 | if (IsDeadCheck("v8::String::Utf8Length()")) return 0; |
| 2399 | return Utils::OpenHandle(this)->Utf8Length(); |
| 2400 | } |
| 2401 | |
| 2402 | |
| 2403 | int String::WriteUtf8(char* buffer, int capacity) const { |
| 2404 | if (IsDeadCheck("v8::String::WriteUtf8()")) return 0; |
| 2405 | LOG_API("String::WriteUtf8"); |
| 2406 | ENTER_V8; |
| 2407 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2408 | write_input_buffer.Reset(0, *str); |
| 2409 | int len = str->length(); |
| 2410 | // Encode the first K - 3 bytes directly into the buffer since we |
| 2411 | // know there's room for them. If no capacity is given we copy all |
| 2412 | // of them here. |
| 2413 | int fast_end = capacity - (unibrow::Utf8::kMaxEncodedSize - 1); |
| 2414 | int i; |
| 2415 | int pos = 0; |
| 2416 | for (i = 0; i < len && (capacity == -1 || pos < fast_end); i++) { |
| 2417 | i::uc32 c = write_input_buffer.GetNext(); |
| 2418 | int written = unibrow::Utf8::Encode(buffer + pos, c); |
| 2419 | pos += written; |
| 2420 | } |
| 2421 | if (i < len) { |
| 2422 | // For the last characters we need to check the length for each one |
| 2423 | // because they may be longer than the remaining space in the |
| 2424 | // buffer. |
| 2425 | char intermediate[unibrow::Utf8::kMaxEncodedSize]; |
| 2426 | for (; i < len && pos < capacity; i++) { |
| 2427 | i::uc32 c = write_input_buffer.GetNext(); |
| 2428 | int written = unibrow::Utf8::Encode(intermediate, c); |
| 2429 | if (pos + written <= capacity) { |
| 2430 | for (int j = 0; j < written; j++) |
| 2431 | buffer[pos + j] = intermediate[j]; |
| 2432 | pos += written; |
| 2433 | } else { |
| 2434 | // We've reached the end of the buffer |
| 2435 | break; |
| 2436 | } |
| 2437 | } |
| 2438 | } |
| 2439 | if (i == len && (capacity == -1 || pos < capacity)) |
| 2440 | buffer[pos++] = '\0'; |
| 2441 | return pos; |
| 2442 | } |
| 2443 | |
| 2444 | |
| 2445 | int String::WriteAscii(char* buffer, int start, int length) const { |
| 2446 | if (IsDeadCheck("v8::String::WriteAscii()")) return 0; |
| 2447 | LOG_API("String::WriteAscii"); |
| 2448 | ENTER_V8; |
| 2449 | ASSERT(start >= 0 && length >= -1); |
| 2450 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2451 | // Flatten the string for efficiency. This applies whether we are |
| 2452 | // using StringInputBuffer or Get(i) to access the characters. |
| 2453 | str->TryFlattenIfNotFlat(); |
| 2454 | int end = length; |
| 2455 | if ( (length == -1) || (length > str->length() - start) ) |
| 2456 | end = str->length() - start; |
| 2457 | if (end < 0) return 0; |
| 2458 | write_input_buffer.Reset(start, *str); |
| 2459 | int i; |
| 2460 | for (i = 0; i < end; i++) { |
| 2461 | char c = static_cast<char>(write_input_buffer.GetNext()); |
| 2462 | if (c == '\0') c = ' '; |
| 2463 | buffer[i] = c; |
| 2464 | } |
| 2465 | if (length == -1 || i < length) |
| 2466 | buffer[i] = '\0'; |
| 2467 | return i; |
| 2468 | } |
| 2469 | |
| 2470 | |
| 2471 | int String::Write(uint16_t* buffer, int start, int length) const { |
| 2472 | if (IsDeadCheck("v8::String::Write()")) return 0; |
| 2473 | LOG_API("String::Write"); |
| 2474 | ENTER_V8; |
| 2475 | ASSERT(start >= 0 && length >= -1); |
| 2476 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2477 | int end = length; |
| 2478 | if ( (length == -1) || (length > str->length() - start) ) |
| 2479 | end = str->length() - start; |
| 2480 | if (end < 0) return 0; |
| 2481 | i::String::WriteToFlat(*str, buffer, start, end); |
| 2482 | if (length == -1 || end < length) |
| 2483 | buffer[end] = '\0'; |
| 2484 | return end; |
| 2485 | } |
| 2486 | |
| 2487 | |
| 2488 | bool v8::String::IsExternal() const { |
| 2489 | EnsureInitialized("v8::String::IsExternal()"); |
| 2490 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2491 | return i::StringShape(*str).IsExternalTwoByte(); |
| 2492 | } |
| 2493 | |
| 2494 | |
| 2495 | bool v8::String::IsExternalAscii() const { |
| 2496 | EnsureInitialized("v8::String::IsExternalAscii()"); |
| 2497 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2498 | return i::StringShape(*str).IsExternalAscii(); |
| 2499 | } |
| 2500 | |
| 2501 | |
| 2502 | void v8::String::VerifyExternalStringResource( |
| 2503 | v8::String::ExternalStringResource* value) const { |
| 2504 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2505 | v8::String::ExternalStringResource* expected; |
| 2506 | if (i::StringShape(*str).IsExternalTwoByte()) { |
| 2507 | void* resource = i::Handle<i::ExternalTwoByteString>::cast(str)->resource(); |
| 2508 | expected = reinterpret_cast<ExternalStringResource*>(resource); |
| 2509 | } else { |
| 2510 | expected = NULL; |
| 2511 | } |
| 2512 | CHECK_EQ(expected, value); |
| 2513 | } |
| 2514 | |
| 2515 | |
| 2516 | v8::String::ExternalAsciiStringResource* |
| 2517 | v8::String::GetExternalAsciiStringResource() const { |
| 2518 | EnsureInitialized("v8::String::GetExternalAsciiStringResource()"); |
| 2519 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2520 | if (i::StringShape(*str).IsExternalAscii()) { |
| 2521 | void* resource = i::Handle<i::ExternalAsciiString>::cast(str)->resource(); |
| 2522 | return reinterpret_cast<ExternalAsciiStringResource*>(resource); |
| 2523 | } else { |
| 2524 | return NULL; |
| 2525 | } |
| 2526 | } |
| 2527 | |
| 2528 | |
| 2529 | double Number::Value() const { |
| 2530 | if (IsDeadCheck("v8::Number::Value()")) return 0; |
| 2531 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 2532 | return obj->Number(); |
| 2533 | } |
| 2534 | |
| 2535 | |
| 2536 | bool Boolean::Value() const { |
| 2537 | if (IsDeadCheck("v8::Boolean::Value()")) return false; |
| 2538 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 2539 | return obj->IsTrue(); |
| 2540 | } |
| 2541 | |
| 2542 | |
| 2543 | int64_t Integer::Value() const { |
| 2544 | if (IsDeadCheck("v8::Integer::Value()")) return 0; |
| 2545 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 2546 | if (obj->IsSmi()) { |
| 2547 | return i::Smi::cast(*obj)->value(); |
| 2548 | } else { |
| 2549 | return static_cast<int64_t>(obj->Number()); |
| 2550 | } |
| 2551 | } |
| 2552 | |
| 2553 | |
| 2554 | int32_t Int32::Value() const { |
| 2555 | if (IsDeadCheck("v8::Int32::Value()")) return 0; |
| 2556 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 2557 | if (obj->IsSmi()) { |
| 2558 | return i::Smi::cast(*obj)->value(); |
| 2559 | } else { |
| 2560 | return static_cast<int32_t>(obj->Number()); |
| 2561 | } |
| 2562 | } |
| 2563 | |
| 2564 | |
| 2565 | int v8::Object::InternalFieldCount() { |
| 2566 | if (IsDeadCheck("v8::Object::InternalFieldCount()")) return 0; |
| 2567 | i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| 2568 | return obj->GetInternalFieldCount(); |
| 2569 | } |
| 2570 | |
| 2571 | |
| 2572 | Local<Value> v8::Object::CheckedGetInternalField(int index) { |
| 2573 | if (IsDeadCheck("v8::Object::GetInternalField()")) return Local<Value>(); |
| 2574 | i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| 2575 | if (!ApiCheck(index < obj->GetInternalFieldCount(), |
| 2576 | "v8::Object::GetInternalField()", |
| 2577 | "Reading internal field out of bounds")) { |
| 2578 | return Local<Value>(); |
| 2579 | } |
| 2580 | i::Handle<i::Object> value(obj->GetInternalField(index)); |
| 2581 | Local<Value> result = Utils::ToLocal(value); |
| 2582 | #ifdef DEBUG |
| 2583 | Local<Value> unchecked = UncheckedGetInternalField(index); |
| 2584 | ASSERT(unchecked.IsEmpty() || (unchecked == result)); |
| 2585 | #endif |
| 2586 | return result; |
| 2587 | } |
| 2588 | |
| 2589 | |
| 2590 | void v8::Object::SetInternalField(int index, v8::Handle<Value> value) { |
| 2591 | if (IsDeadCheck("v8::Object::SetInternalField()")) return; |
| 2592 | i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| 2593 | if (!ApiCheck(index < obj->GetInternalFieldCount(), |
| 2594 | "v8::Object::SetInternalField()", |
| 2595 | "Writing internal field out of bounds")) { |
| 2596 | return; |
| 2597 | } |
| 2598 | ENTER_V8; |
| 2599 | i::Handle<i::Object> val = Utils::OpenHandle(*value); |
| 2600 | obj->SetInternalField(index, *val); |
| 2601 | } |
| 2602 | |
| 2603 | |
| 2604 | void v8::Object::SetPointerInInternalField(int index, void* value) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 2605 | i::Object* as_object = reinterpret_cast<i::Object*>(value); |
| 2606 | if (as_object->IsSmi()) { |
| 2607 | Utils::OpenHandle(this)->SetInternalField(index, as_object); |
| 2608 | return; |
| 2609 | } |
| 2610 | HandleScope scope; |
| 2611 | i::Handle<i::Proxy> proxy = |
| 2612 | i::Factory::NewProxy(reinterpret_cast<i::Address>(value), i::TENURED); |
| 2613 | if (!proxy.is_null()) |
| 2614 | Utils::OpenHandle(this)->SetInternalField(index, *proxy); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2615 | } |
| 2616 | |
| 2617 | |
| 2618 | // --- E n v i r o n m e n t --- |
| 2619 | |
| 2620 | bool v8::V8::Initialize() { |
| 2621 | if (i::V8::IsRunning()) return true; |
| 2622 | ENTER_V8; |
| 2623 | HandleScope scope; |
| 2624 | if (i::Snapshot::Initialize()) { |
| 2625 | return true; |
| 2626 | } else { |
| 2627 | return i::V8::Initialize(NULL); |
| 2628 | } |
| 2629 | } |
| 2630 | |
| 2631 | |
| 2632 | bool v8::V8::Dispose() { |
| 2633 | i::V8::TearDown(); |
| 2634 | return true; |
| 2635 | } |
| 2636 | |
| 2637 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 2638 | HeapStatistics::HeapStatistics(): total_heap_size_(0), used_heap_size_(0) { } |
| 2639 | |
| 2640 | |
| 2641 | void v8::V8::GetHeapStatistics(HeapStatistics* heap_statistics) { |
| 2642 | heap_statistics->set_total_heap_size(i::Heap::CommittedMemory()); |
| 2643 | heap_statistics->set_used_heap_size(i::Heap::SizeOfObjects()); |
| 2644 | } |
| 2645 | |
| 2646 | |
| 2647 | bool v8::V8::IdleNotification() { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2648 | // Returning true tells the caller that it need not |
| 2649 | // continue to call IdleNotification. |
| 2650 | if (!i::V8::IsRunning()) return true; |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 2651 | return i::V8::IdleNotification(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2652 | } |
| 2653 | |
| 2654 | |
| 2655 | void v8::V8::LowMemoryNotification() { |
| 2656 | #if defined(ANDROID) |
| 2657 | if (!i::V8::IsRunning()) return; |
| 2658 | i::Heap::CollectAllGarbage(true); |
| 2659 | #endif |
| 2660 | } |
| 2661 | |
| 2662 | |
| 2663 | const char* v8::V8::GetVersion() { |
| 2664 | static v8::internal::EmbeddedVector<char, 128> buffer; |
| 2665 | v8::internal::Version::GetString(buffer); |
| 2666 | return buffer.start(); |
| 2667 | } |
| 2668 | |
| 2669 | |
| 2670 | static i::Handle<i::FunctionTemplateInfo> |
| 2671 | EnsureConstructor(i::Handle<i::ObjectTemplateInfo> templ) { |
| 2672 | if (templ->constructor()->IsUndefined()) { |
| 2673 | Local<FunctionTemplate> constructor = FunctionTemplate::New(); |
| 2674 | Utils::OpenHandle(*constructor)->set_instance_template(*templ); |
| 2675 | templ->set_constructor(*Utils::OpenHandle(*constructor)); |
| 2676 | } |
| 2677 | return i::Handle<i::FunctionTemplateInfo>( |
| 2678 | i::FunctionTemplateInfo::cast(templ->constructor())); |
| 2679 | } |
| 2680 | |
| 2681 | |
| 2682 | Persistent<Context> v8::Context::New( |
| 2683 | v8::ExtensionConfiguration* extensions, |
| 2684 | v8::Handle<ObjectTemplate> global_template, |
| 2685 | v8::Handle<Value> global_object) { |
| 2686 | EnsureInitialized("v8::Context::New()"); |
| 2687 | LOG_API("Context::New"); |
| 2688 | ON_BAILOUT("v8::Context::New()", return Persistent<Context>()); |
| 2689 | |
| 2690 | // Enter V8 via an ENTER_V8 scope. |
| 2691 | i::Handle<i::Context> env; |
| 2692 | { |
| 2693 | ENTER_V8; |
| 2694 | #if defined(ANDROID) |
| 2695 | // On mobile device, full GC is expensive, leave it to the system to |
| 2696 | // decide when should make a full GC. |
| 2697 | #else |
| 2698 | // Give the heap a chance to cleanup if we've disposed contexts. |
| 2699 | i::Heap::CollectAllGarbageIfContextDisposed(); |
| 2700 | #endif |
| 2701 | v8::Handle<ObjectTemplate> proxy_template = global_template; |
| 2702 | i::Handle<i::FunctionTemplateInfo> proxy_constructor; |
| 2703 | i::Handle<i::FunctionTemplateInfo> global_constructor; |
| 2704 | |
| 2705 | if (!global_template.IsEmpty()) { |
| 2706 | // Make sure that the global_template has a constructor. |
| 2707 | global_constructor = |
| 2708 | EnsureConstructor(Utils::OpenHandle(*global_template)); |
| 2709 | |
| 2710 | // Create a fresh template for the global proxy object. |
| 2711 | proxy_template = ObjectTemplate::New(); |
| 2712 | proxy_constructor = |
| 2713 | EnsureConstructor(Utils::OpenHandle(*proxy_template)); |
| 2714 | |
| 2715 | // Set the global template to be the prototype template of |
| 2716 | // global proxy template. |
| 2717 | proxy_constructor->set_prototype_template( |
| 2718 | *Utils::OpenHandle(*global_template)); |
| 2719 | |
| 2720 | // Migrate security handlers from global_template to |
| 2721 | // proxy_template. Temporarily removing access check |
| 2722 | // information from the global template. |
| 2723 | if (!global_constructor->access_check_info()->IsUndefined()) { |
| 2724 | proxy_constructor->set_access_check_info( |
| 2725 | global_constructor->access_check_info()); |
| 2726 | proxy_constructor->set_needs_access_check( |
| 2727 | global_constructor->needs_access_check()); |
| 2728 | global_constructor->set_needs_access_check(false); |
| 2729 | global_constructor->set_access_check_info(i::Heap::undefined_value()); |
| 2730 | } |
| 2731 | } |
| 2732 | |
| 2733 | // Create the environment. |
| 2734 | env = i::Bootstrapper::CreateEnvironment( |
| 2735 | Utils::OpenHandle(*global_object), |
| 2736 | proxy_template, |
| 2737 | extensions); |
| 2738 | |
| 2739 | // Restore the access check info on the global template. |
| 2740 | if (!global_template.IsEmpty()) { |
| 2741 | ASSERT(!global_constructor.is_null()); |
| 2742 | ASSERT(!proxy_constructor.is_null()); |
| 2743 | global_constructor->set_access_check_info( |
| 2744 | proxy_constructor->access_check_info()); |
| 2745 | global_constructor->set_needs_access_check( |
| 2746 | proxy_constructor->needs_access_check()); |
| 2747 | } |
| 2748 | } |
| 2749 | // Leave V8. |
| 2750 | |
| 2751 | if (env.is_null()) |
| 2752 | return Persistent<Context>(); |
| 2753 | return Persistent<Context>(Utils::ToLocal(env)); |
| 2754 | } |
| 2755 | |
| 2756 | |
| 2757 | void v8::Context::SetSecurityToken(Handle<Value> token) { |
| 2758 | if (IsDeadCheck("v8::Context::SetSecurityToken()")) return; |
| 2759 | ENTER_V8; |
| 2760 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 2761 | i::Handle<i::Object> token_handle = Utils::OpenHandle(*token); |
| 2762 | env->set_security_token(*token_handle); |
| 2763 | } |
| 2764 | |
| 2765 | |
| 2766 | void v8::Context::UseDefaultSecurityToken() { |
| 2767 | if (IsDeadCheck("v8::Context::UseDefaultSecurityToken()")) return; |
| 2768 | ENTER_V8; |
| 2769 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 2770 | env->set_security_token(env->global()); |
| 2771 | } |
| 2772 | |
| 2773 | |
| 2774 | Handle<Value> v8::Context::GetSecurityToken() { |
| 2775 | if (IsDeadCheck("v8::Context::GetSecurityToken()")) return Handle<Value>(); |
| 2776 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 2777 | i::Object* security_token = env->security_token(); |
| 2778 | i::Handle<i::Object> token_handle(security_token); |
| 2779 | return Utils::ToLocal(token_handle); |
| 2780 | } |
| 2781 | |
| 2782 | |
| 2783 | bool Context::HasOutOfMemoryException() { |
| 2784 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 2785 | return env->has_out_of_memory(); |
| 2786 | } |
| 2787 | |
| 2788 | |
| 2789 | bool Context::InContext() { |
| 2790 | return i::Top::context() != NULL; |
| 2791 | } |
| 2792 | |
| 2793 | |
| 2794 | v8::Local<v8::Context> Context::GetEntered() { |
| 2795 | if (IsDeadCheck("v8::Context::GetEntered()")) return Local<Context>(); |
| 2796 | i::Handle<i::Object> last = thread_local.LastEnteredContext(); |
| 2797 | if (last.is_null()) return Local<Context>(); |
| 2798 | i::Handle<i::Context> context = i::Handle<i::Context>::cast(last); |
| 2799 | return Utils::ToLocal(context); |
| 2800 | } |
| 2801 | |
| 2802 | |
| 2803 | v8::Local<v8::Context> Context::GetCurrent() { |
| 2804 | if (IsDeadCheck("v8::Context::GetCurrent()")) return Local<Context>(); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 2805 | i::Handle<i::Object> current = i::Top::global_context(); |
| 2806 | if (current.is_null()) return Local<Context>(); |
| 2807 | i::Handle<i::Context> context = i::Handle<i::Context>::cast(current); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2808 | return Utils::ToLocal(context); |
| 2809 | } |
| 2810 | |
| 2811 | |
| 2812 | v8::Local<v8::Context> Context::GetCalling() { |
| 2813 | if (IsDeadCheck("v8::Context::GetCalling()")) return Local<Context>(); |
| 2814 | i::Handle<i::Object> calling = i::Top::GetCallingGlobalContext(); |
| 2815 | if (calling.is_null()) return Local<Context>(); |
| 2816 | i::Handle<i::Context> context = i::Handle<i::Context>::cast(calling); |
| 2817 | return Utils::ToLocal(context); |
| 2818 | } |
| 2819 | |
| 2820 | |
| 2821 | v8::Local<v8::Object> Context::Global() { |
| 2822 | if (IsDeadCheck("v8::Context::Global()")) return Local<v8::Object>(); |
| 2823 | i::Object** ctx = reinterpret_cast<i::Object**>(this); |
| 2824 | i::Handle<i::Context> context = |
| 2825 | i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx)); |
| 2826 | i::Handle<i::Object> global(context->global_proxy()); |
| 2827 | return Utils::ToLocal(i::Handle<i::JSObject>::cast(global)); |
| 2828 | } |
| 2829 | |
| 2830 | |
| 2831 | void Context::DetachGlobal() { |
| 2832 | if (IsDeadCheck("v8::Context::DetachGlobal()")) return; |
| 2833 | ENTER_V8; |
| 2834 | i::Object** ctx = reinterpret_cast<i::Object**>(this); |
| 2835 | i::Handle<i::Context> context = |
| 2836 | i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx)); |
| 2837 | i::Bootstrapper::DetachGlobal(context); |
| 2838 | } |
| 2839 | |
| 2840 | |
| 2841 | Local<v8::Object> ObjectTemplate::NewInstance() { |
| 2842 | ON_BAILOUT("v8::ObjectTemplate::NewInstance()", return Local<v8::Object>()); |
| 2843 | LOG_API("ObjectTemplate::NewInstance"); |
| 2844 | ENTER_V8; |
| 2845 | EXCEPTION_PREAMBLE(); |
| 2846 | i::Handle<i::Object> obj = |
| 2847 | i::Execution::InstantiateObject(Utils::OpenHandle(this), |
| 2848 | &has_pending_exception); |
| 2849 | EXCEPTION_BAILOUT_CHECK(Local<v8::Object>()); |
| 2850 | return Utils::ToLocal(i::Handle<i::JSObject>::cast(obj)); |
| 2851 | } |
| 2852 | |
| 2853 | |
| 2854 | Local<v8::Function> FunctionTemplate::GetFunction() { |
| 2855 | ON_BAILOUT("v8::FunctionTemplate::GetFunction()", |
| 2856 | return Local<v8::Function>()); |
| 2857 | LOG_API("FunctionTemplate::GetFunction"); |
| 2858 | ENTER_V8; |
| 2859 | EXCEPTION_PREAMBLE(); |
| 2860 | i::Handle<i::Object> obj = |
| 2861 | i::Execution::InstantiateFunction(Utils::OpenHandle(this), |
| 2862 | &has_pending_exception); |
| 2863 | EXCEPTION_BAILOUT_CHECK(Local<v8::Function>()); |
| 2864 | return Utils::ToLocal(i::Handle<i::JSFunction>::cast(obj)); |
| 2865 | } |
| 2866 | |
| 2867 | |
| 2868 | bool FunctionTemplate::HasInstance(v8::Handle<v8::Value> value) { |
| 2869 | ON_BAILOUT("v8::FunctionTemplate::HasInstanceOf()", return false); |
| 2870 | i::Object* obj = *Utils::OpenHandle(*value); |
| 2871 | return obj->IsInstanceOf(*Utils::OpenHandle(this)); |
| 2872 | } |
| 2873 | |
| 2874 | |
| 2875 | static Local<External> ExternalNewImpl(void* data) { |
| 2876 | return Utils::ToLocal(i::Factory::NewProxy(static_cast<i::Address>(data))); |
| 2877 | } |
| 2878 | |
| 2879 | static void* ExternalValueImpl(i::Handle<i::Object> obj) { |
| 2880 | return reinterpret_cast<void*>(i::Proxy::cast(*obj)->proxy()); |
| 2881 | } |
| 2882 | |
| 2883 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2884 | Local<Value> v8::External::Wrap(void* data) { |
| 2885 | STATIC_ASSERT(sizeof(data) == sizeof(i::Address)); |
| 2886 | LOG_API("External::Wrap"); |
| 2887 | EnsureInitialized("v8::External::Wrap()"); |
| 2888 | ENTER_V8; |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 2889 | i::Object* as_object = reinterpret_cast<i::Object*>(data); |
| 2890 | if (as_object->IsSmi()) { |
| 2891 | return Utils::ToLocal(i::Handle<i::Object>(as_object)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2892 | } |
| 2893 | return ExternalNewImpl(data); |
| 2894 | } |
| 2895 | |
| 2896 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 2897 | void* v8::Object::SlowGetPointerFromInternalField(int index) { |
| 2898 | i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| 2899 | i::Object* value = obj->GetInternalField(index); |
| 2900 | if (value->IsSmi()) { |
| 2901 | return value; |
| 2902 | } else if (value->IsProxy()) { |
| 2903 | return reinterpret_cast<void*>(i::Proxy::cast(value)->proxy()); |
| 2904 | } else { |
| 2905 | return NULL; |
| 2906 | } |
| 2907 | } |
| 2908 | |
| 2909 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2910 | void* v8::External::FullUnwrap(v8::Handle<v8::Value> wrapper) { |
| 2911 | if (IsDeadCheck("v8::External::Unwrap()")) return 0; |
| 2912 | i::Handle<i::Object> obj = Utils::OpenHandle(*wrapper); |
| 2913 | void* result; |
| 2914 | if (obj->IsSmi()) { |
| 2915 | // The external value was an aligned pointer. |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 2916 | result = *obj; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2917 | } else if (obj->IsProxy()) { |
| 2918 | result = ExternalValueImpl(obj); |
| 2919 | } else { |
| 2920 | result = NULL; |
| 2921 | } |
| 2922 | ASSERT_EQ(result, QuickUnwrap(wrapper)); |
| 2923 | return result; |
| 2924 | } |
| 2925 | |
| 2926 | |
| 2927 | Local<External> v8::External::New(void* data) { |
| 2928 | STATIC_ASSERT(sizeof(data) == sizeof(i::Address)); |
| 2929 | LOG_API("External::New"); |
| 2930 | EnsureInitialized("v8::External::New()"); |
| 2931 | ENTER_V8; |
| 2932 | return ExternalNewImpl(data); |
| 2933 | } |
| 2934 | |
| 2935 | |
| 2936 | void* External::Value() const { |
| 2937 | if (IsDeadCheck("v8::External::Value()")) return 0; |
| 2938 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 2939 | return ExternalValueImpl(obj); |
| 2940 | } |
| 2941 | |
| 2942 | |
| 2943 | Local<String> v8::String::Empty() { |
| 2944 | EnsureInitialized("v8::String::Empty()"); |
| 2945 | LOG_API("String::Empty()"); |
| 2946 | return Utils::ToLocal(i::Factory::empty_symbol()); |
| 2947 | } |
| 2948 | |
| 2949 | |
| 2950 | Local<String> v8::String::New(const char* data, int length) { |
| 2951 | EnsureInitialized("v8::String::New()"); |
| 2952 | LOG_API("String::New(char)"); |
| 2953 | if (length == 0) return Empty(); |
| 2954 | ENTER_V8; |
| 2955 | if (length == -1) length = strlen(data); |
| 2956 | i::Handle<i::String> result = |
| 2957 | i::Factory::NewStringFromUtf8(i::Vector<const char>(data, length)); |
| 2958 | return Utils::ToLocal(result); |
| 2959 | } |
| 2960 | |
| 2961 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 2962 | Local<String> v8::String::Concat(Handle<String> left, Handle<String> right) { |
| 2963 | EnsureInitialized("v8::String::New()"); |
| 2964 | LOG_API("String::New(char)"); |
| 2965 | ENTER_V8; |
| 2966 | i::Handle<i::String> left_string = Utils::OpenHandle(*left); |
| 2967 | i::Handle<i::String> right_string = Utils::OpenHandle(*right); |
| 2968 | i::Handle<i::String> result = i::Factory::NewConsString(left_string, |
| 2969 | right_string); |
| 2970 | return Utils::ToLocal(result); |
| 2971 | } |
| 2972 | |
| 2973 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2974 | Local<String> v8::String::NewUndetectable(const char* data, int length) { |
| 2975 | EnsureInitialized("v8::String::NewUndetectable()"); |
| 2976 | LOG_API("String::NewUndetectable(char)"); |
| 2977 | ENTER_V8; |
| 2978 | if (length == -1) length = strlen(data); |
| 2979 | i::Handle<i::String> result = |
| 2980 | i::Factory::NewStringFromUtf8(i::Vector<const char>(data, length)); |
| 2981 | result->MarkAsUndetectable(); |
| 2982 | return Utils::ToLocal(result); |
| 2983 | } |
| 2984 | |
| 2985 | |
| 2986 | static int TwoByteStringLength(const uint16_t* data) { |
| 2987 | int length = 0; |
| 2988 | while (data[length] != '\0') length++; |
| 2989 | return length; |
| 2990 | } |
| 2991 | |
| 2992 | |
| 2993 | Local<String> v8::String::New(const uint16_t* data, int length) { |
| 2994 | EnsureInitialized("v8::String::New()"); |
| 2995 | LOG_API("String::New(uint16_)"); |
| 2996 | if (length == 0) return Empty(); |
| 2997 | ENTER_V8; |
| 2998 | if (length == -1) length = TwoByteStringLength(data); |
| 2999 | i::Handle<i::String> result = |
| 3000 | i::Factory::NewStringFromTwoByte(i::Vector<const uint16_t>(data, length)); |
| 3001 | return Utils::ToLocal(result); |
| 3002 | } |
| 3003 | |
| 3004 | |
| 3005 | Local<String> v8::String::NewUndetectable(const uint16_t* data, int length) { |
| 3006 | EnsureInitialized("v8::String::NewUndetectable()"); |
| 3007 | LOG_API("String::NewUndetectable(uint16_)"); |
| 3008 | ENTER_V8; |
| 3009 | if (length == -1) length = TwoByteStringLength(data); |
| 3010 | i::Handle<i::String> result = |
| 3011 | i::Factory::NewStringFromTwoByte(i::Vector<const uint16_t>(data, length)); |
| 3012 | result->MarkAsUndetectable(); |
| 3013 | return Utils::ToLocal(result); |
| 3014 | } |
| 3015 | |
| 3016 | |
| 3017 | i::Handle<i::String> NewExternalStringHandle( |
| 3018 | v8::String::ExternalStringResource* resource) { |
| 3019 | i::Handle<i::String> result = |
| 3020 | i::Factory::NewExternalStringFromTwoByte(resource); |
| 3021 | return result; |
| 3022 | } |
| 3023 | |
| 3024 | |
| 3025 | i::Handle<i::String> NewExternalAsciiStringHandle( |
| 3026 | v8::String::ExternalAsciiStringResource* resource) { |
| 3027 | i::Handle<i::String> result = |
| 3028 | i::Factory::NewExternalStringFromAscii(resource); |
| 3029 | return result; |
| 3030 | } |
| 3031 | |
| 3032 | |
| 3033 | static void DisposeExternalString(v8::Persistent<v8::Value> obj, |
| 3034 | void* parameter) { |
| 3035 | ENTER_V8; |
| 3036 | i::ExternalTwoByteString* str = |
| 3037 | i::ExternalTwoByteString::cast(*Utils::OpenHandle(*obj)); |
| 3038 | |
| 3039 | // External symbols are deleted when they are pruned out of the symbol |
| 3040 | // table. Generally external symbols are not registered with the weak handle |
| 3041 | // callbacks unless they are upgraded to a symbol after being externalized. |
| 3042 | if (!str->IsSymbol()) { |
| 3043 | v8::String::ExternalStringResource* resource = |
| 3044 | reinterpret_cast<v8::String::ExternalStringResource*>(parameter); |
| 3045 | if (resource != NULL) { |
| 3046 | const size_t total_size = resource->length() * sizeof(*resource->data()); |
| 3047 | i::Counters::total_external_string_memory.Decrement(total_size); |
| 3048 | |
| 3049 | // The object will continue to live in the JavaScript heap until the |
| 3050 | // handle is entirely cleaned out by the next GC. For example the |
| 3051 | // destructor for the resource below could bring it back to life again. |
| 3052 | // Which is why we make sure to not have a dangling pointer here. |
| 3053 | str->set_resource(NULL); |
| 3054 | delete resource; |
| 3055 | } |
| 3056 | } |
| 3057 | |
| 3058 | // In any case we do not need this handle any longer. |
| 3059 | obj.Dispose(); |
| 3060 | } |
| 3061 | |
| 3062 | |
| 3063 | static void DisposeExternalAsciiString(v8::Persistent<v8::Value> obj, |
| 3064 | void* parameter) { |
| 3065 | ENTER_V8; |
| 3066 | i::ExternalAsciiString* str = |
| 3067 | i::ExternalAsciiString::cast(*Utils::OpenHandle(*obj)); |
| 3068 | |
| 3069 | // External symbols are deleted when they are pruned out of the symbol |
| 3070 | // table. Generally external symbols are not registered with the weak handle |
| 3071 | // callbacks unless they are upgraded to a symbol after being externalized. |
| 3072 | if (!str->IsSymbol()) { |
| 3073 | v8::String::ExternalAsciiStringResource* resource = |
| 3074 | reinterpret_cast<v8::String::ExternalAsciiStringResource*>(parameter); |
| 3075 | if (resource != NULL) { |
| 3076 | const size_t total_size = resource->length() * sizeof(*resource->data()); |
| 3077 | i::Counters::total_external_string_memory.Decrement(total_size); |
| 3078 | |
| 3079 | // The object will continue to live in the JavaScript heap until the |
| 3080 | // handle is entirely cleaned out by the next GC. For example the |
| 3081 | // destructor for the resource below could bring it back to life again. |
| 3082 | // Which is why we make sure to not have a dangling pointer here. |
| 3083 | str->set_resource(NULL); |
| 3084 | delete resource; |
| 3085 | } |
| 3086 | } |
| 3087 | |
| 3088 | // In any case we do not need this handle any longer. |
| 3089 | obj.Dispose(); |
| 3090 | } |
| 3091 | |
| 3092 | |
| 3093 | Local<String> v8::String::NewExternal( |
| 3094 | v8::String::ExternalStringResource* resource) { |
| 3095 | EnsureInitialized("v8::String::NewExternal()"); |
| 3096 | LOG_API("String::NewExternal"); |
| 3097 | ENTER_V8; |
| 3098 | const size_t total_size = resource->length() * sizeof(*resource->data()); |
| 3099 | i::Counters::total_external_string_memory.Increment(total_size); |
| 3100 | i::Handle<i::String> result = NewExternalStringHandle(resource); |
| 3101 | i::Handle<i::Object> handle = i::GlobalHandles::Create(*result); |
| 3102 | i::GlobalHandles::MakeWeak(handle.location(), |
| 3103 | resource, |
| 3104 | &DisposeExternalString); |
| 3105 | return Utils::ToLocal(result); |
| 3106 | } |
| 3107 | |
| 3108 | |
| 3109 | bool v8::String::MakeExternal(v8::String::ExternalStringResource* resource) { |
| 3110 | if (IsDeadCheck("v8::String::MakeExternal()")) return false; |
| 3111 | if (this->IsExternal()) return false; // Already an external string. |
| 3112 | ENTER_V8; |
| 3113 | i::Handle<i::String> obj = Utils::OpenHandle(this); |
| 3114 | bool result = obj->MakeExternal(resource); |
| 3115 | if (result && !obj->IsSymbol()) { |
| 3116 | // Operation was successful and the string is not a symbol. In this case |
| 3117 | // we need to make sure that the we call the destructor for the external |
| 3118 | // resource when no strong references to the string remain. |
| 3119 | i::Handle<i::Object> handle = i::GlobalHandles::Create(*obj); |
| 3120 | i::GlobalHandles::MakeWeak(handle.location(), |
| 3121 | resource, |
| 3122 | &DisposeExternalString); |
| 3123 | } |
| 3124 | return result; |
| 3125 | } |
| 3126 | |
| 3127 | |
| 3128 | Local<String> v8::String::NewExternal( |
| 3129 | v8::String::ExternalAsciiStringResource* resource) { |
| 3130 | EnsureInitialized("v8::String::NewExternal()"); |
| 3131 | LOG_API("String::NewExternal"); |
| 3132 | ENTER_V8; |
| 3133 | const size_t total_size = resource->length() * sizeof(*resource->data()); |
| 3134 | i::Counters::total_external_string_memory.Increment(total_size); |
| 3135 | i::Handle<i::String> result = NewExternalAsciiStringHandle(resource); |
| 3136 | i::Handle<i::Object> handle = i::GlobalHandles::Create(*result); |
| 3137 | i::GlobalHandles::MakeWeak(handle.location(), |
| 3138 | resource, |
| 3139 | &DisposeExternalAsciiString); |
| 3140 | return Utils::ToLocal(result); |
| 3141 | } |
| 3142 | |
| 3143 | |
| 3144 | bool v8::String::MakeExternal( |
| 3145 | v8::String::ExternalAsciiStringResource* resource) { |
| 3146 | if (IsDeadCheck("v8::String::MakeExternal()")) return false; |
| 3147 | if (this->IsExternal()) return false; // Already an external string. |
| 3148 | ENTER_V8; |
| 3149 | i::Handle<i::String> obj = Utils::OpenHandle(this); |
| 3150 | bool result = obj->MakeExternal(resource); |
| 3151 | if (result && !obj->IsSymbol()) { |
| 3152 | // Operation was successful and the string is not a symbol. In this case |
| 3153 | // we need to make sure that the we call the destructor for the external |
| 3154 | // resource when no strong references to the string remain. |
| 3155 | i::Handle<i::Object> handle = i::GlobalHandles::Create(*obj); |
| 3156 | i::GlobalHandles::MakeWeak(handle.location(), |
| 3157 | resource, |
| 3158 | &DisposeExternalAsciiString); |
| 3159 | } |
| 3160 | return result; |
| 3161 | } |
| 3162 | |
| 3163 | |
| 3164 | bool v8::String::CanMakeExternal() { |
| 3165 | if (IsDeadCheck("v8::String::CanMakeExternal()")) return false; |
| 3166 | i::Handle<i::String> obj = Utils::OpenHandle(this); |
| 3167 | int size = obj->Size(); // Byte size of the original string. |
| 3168 | if (size < i::ExternalString::kSize) |
| 3169 | return false; |
| 3170 | i::StringShape shape(*obj); |
| 3171 | return !shape.IsExternal(); |
| 3172 | } |
| 3173 | |
| 3174 | |
| 3175 | Local<v8::Object> v8::Object::New() { |
| 3176 | EnsureInitialized("v8::Object::New()"); |
| 3177 | LOG_API("Object::New"); |
| 3178 | ENTER_V8; |
| 3179 | i::Handle<i::JSObject> obj = |
| 3180 | i::Factory::NewJSObject(i::Top::object_function()); |
| 3181 | return Utils::ToLocal(obj); |
| 3182 | } |
| 3183 | |
| 3184 | |
| 3185 | Local<v8::Value> v8::Date::New(double time) { |
| 3186 | EnsureInitialized("v8::Date::New()"); |
| 3187 | LOG_API("Date::New"); |
| 3188 | ENTER_V8; |
| 3189 | EXCEPTION_PREAMBLE(); |
| 3190 | i::Handle<i::Object> obj = |
| 3191 | i::Execution::NewDate(time, &has_pending_exception); |
| 3192 | EXCEPTION_BAILOUT_CHECK(Local<v8::Value>()); |
| 3193 | return Utils::ToLocal(obj); |
| 3194 | } |
| 3195 | |
| 3196 | |
| 3197 | double v8::Date::NumberValue() const { |
| 3198 | if (IsDeadCheck("v8::Date::NumberValue()")) return 0; |
| 3199 | LOG_API("Date::NumberValue"); |
| 3200 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 3201 | i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj); |
| 3202 | return jsvalue->value()->Number(); |
| 3203 | } |
| 3204 | |
| 3205 | |
| 3206 | Local<v8::Array> v8::Array::New(int length) { |
| 3207 | EnsureInitialized("v8::Array::New()"); |
| 3208 | LOG_API("Array::New"); |
| 3209 | ENTER_V8; |
| 3210 | i::Handle<i::JSArray> obj = i::Factory::NewJSArray(length); |
| 3211 | return Utils::ToLocal(obj); |
| 3212 | } |
| 3213 | |
| 3214 | |
| 3215 | uint32_t v8::Array::Length() const { |
| 3216 | if (IsDeadCheck("v8::Array::Length()")) return 0; |
| 3217 | i::Handle<i::JSArray> obj = Utils::OpenHandle(this); |
| 3218 | i::Object* length = obj->length(); |
| 3219 | if (length->IsSmi()) { |
| 3220 | return i::Smi::cast(length)->value(); |
| 3221 | } else { |
| 3222 | return static_cast<uint32_t>(length->Number()); |
| 3223 | } |
| 3224 | } |
| 3225 | |
| 3226 | |
| 3227 | Local<Object> Array::CloneElementAt(uint32_t index) { |
| 3228 | ON_BAILOUT("v8::Array::CloneElementAt()", return Local<Object>()); |
| 3229 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 3230 | if (!self->HasFastElements()) { |
| 3231 | return Local<Object>(); |
| 3232 | } |
| 3233 | i::FixedArray* elms = i::FixedArray::cast(self->elements()); |
| 3234 | i::Object* paragon = elms->get(index); |
| 3235 | if (!paragon->IsJSObject()) { |
| 3236 | return Local<Object>(); |
| 3237 | } |
| 3238 | i::Handle<i::JSObject> paragon_handle(i::JSObject::cast(paragon)); |
| 3239 | EXCEPTION_PREAMBLE(); |
| 3240 | i::Handle<i::JSObject> result = i::Copy(paragon_handle); |
| 3241 | has_pending_exception = result.is_null(); |
| 3242 | EXCEPTION_BAILOUT_CHECK(Local<Object>()); |
| 3243 | return Utils::ToLocal(result); |
| 3244 | } |
| 3245 | |
| 3246 | |
| 3247 | Local<String> v8::String::NewSymbol(const char* data, int length) { |
| 3248 | EnsureInitialized("v8::String::NewSymbol()"); |
| 3249 | LOG_API("String::NewSymbol(char)"); |
| 3250 | ENTER_V8; |
| 3251 | if (length == -1) length = strlen(data); |
| 3252 | i::Handle<i::String> result = |
| 3253 | i::Factory::LookupSymbol(i::Vector<const char>(data, length)); |
| 3254 | return Utils::ToLocal(result); |
| 3255 | } |
| 3256 | |
| 3257 | |
| 3258 | Local<Number> v8::Number::New(double value) { |
| 3259 | EnsureInitialized("v8::Number::New()"); |
| 3260 | ENTER_V8; |
| 3261 | i::Handle<i::Object> result = i::Factory::NewNumber(value); |
| 3262 | return Utils::NumberToLocal(result); |
| 3263 | } |
| 3264 | |
| 3265 | |
| 3266 | Local<Integer> v8::Integer::New(int32_t value) { |
| 3267 | EnsureInitialized("v8::Integer::New()"); |
| 3268 | if (i::Smi::IsValid(value)) { |
| 3269 | return Utils::IntegerToLocal(i::Handle<i::Object>(i::Smi::FromInt(value))); |
| 3270 | } |
| 3271 | ENTER_V8; |
| 3272 | i::Handle<i::Object> result = i::Factory::NewNumber(value); |
| 3273 | return Utils::IntegerToLocal(result); |
| 3274 | } |
| 3275 | |
| 3276 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame^] | 3277 | Local<Integer> Integer::NewFromUnsigned(uint32_t value) { |
| 3278 | bool fits_into_int32_t = (value & (1 << 31)) == 0; |
| 3279 | if (fits_into_int32_t) { |
| 3280 | return Integer::New(static_cast<int32_t>(value)); |
| 3281 | } |
| 3282 | ENTER_V8; |
| 3283 | i::Handle<i::Object> result = i::Factory::NewNumber(value); |
| 3284 | return Utils::IntegerToLocal(result); |
| 3285 | } |
| 3286 | |
| 3287 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3288 | void V8::IgnoreOutOfMemoryException() { |
| 3289 | thread_local.set_ignore_out_of_memory(true); |
| 3290 | } |
| 3291 | |
| 3292 | |
| 3293 | bool V8::AddMessageListener(MessageCallback that, Handle<Value> data) { |
| 3294 | EnsureInitialized("v8::V8::AddMessageListener()"); |
| 3295 | ON_BAILOUT("v8::V8::AddMessageListener()", return false); |
| 3296 | ENTER_V8; |
| 3297 | HandleScope scope; |
| 3298 | NeanderArray listeners(i::Factory::message_listeners()); |
| 3299 | NeanderObject obj(2); |
| 3300 | obj.set(0, *i::Factory::NewProxy(FUNCTION_ADDR(that))); |
| 3301 | obj.set(1, data.IsEmpty() ? |
| 3302 | i::Heap::undefined_value() : |
| 3303 | *Utils::OpenHandle(*data)); |
| 3304 | listeners.add(obj.value()); |
| 3305 | return true; |
| 3306 | } |
| 3307 | |
| 3308 | |
| 3309 | void V8::RemoveMessageListeners(MessageCallback that) { |
| 3310 | EnsureInitialized("v8::V8::RemoveMessageListener()"); |
| 3311 | ON_BAILOUT("v8::V8::RemoveMessageListeners()", return); |
| 3312 | ENTER_V8; |
| 3313 | HandleScope scope; |
| 3314 | NeanderArray listeners(i::Factory::message_listeners()); |
| 3315 | for (int i = 0; i < listeners.length(); i++) { |
| 3316 | if (listeners.get(i)->IsUndefined()) continue; // skip deleted ones |
| 3317 | |
| 3318 | NeanderObject listener(i::JSObject::cast(listeners.get(i))); |
| 3319 | i::Handle<i::Proxy> callback_obj(i::Proxy::cast(listener.get(0))); |
| 3320 | if (callback_obj->proxy() == FUNCTION_ADDR(that)) { |
| 3321 | listeners.set(i, i::Heap::undefined_value()); |
| 3322 | } |
| 3323 | } |
| 3324 | } |
| 3325 | |
| 3326 | |
| 3327 | void V8::SetCounterFunction(CounterLookupCallback callback) { |
| 3328 | if (IsDeadCheck("v8::V8::SetCounterFunction()")) return; |
| 3329 | i::StatsTable::SetCounterFunction(callback); |
| 3330 | } |
| 3331 | |
| 3332 | void V8::SetCreateHistogramFunction(CreateHistogramCallback callback) { |
| 3333 | if (IsDeadCheck("v8::V8::SetCreateHistogramFunction()")) return; |
| 3334 | i::StatsTable::SetCreateHistogramFunction(callback); |
| 3335 | } |
| 3336 | |
| 3337 | void V8::SetAddHistogramSampleFunction(AddHistogramSampleCallback callback) { |
| 3338 | if (IsDeadCheck("v8::V8::SetAddHistogramSampleFunction()")) return; |
| 3339 | i::StatsTable::SetAddHistogramSampleFunction(callback); |
| 3340 | } |
| 3341 | |
| 3342 | void V8::EnableSlidingStateWindow() { |
| 3343 | if (IsDeadCheck("v8::V8::EnableSlidingStateWindow()")) return; |
| 3344 | i::Logger::EnableSlidingStateWindow(); |
| 3345 | } |
| 3346 | |
| 3347 | |
| 3348 | void V8::SetFailedAccessCheckCallbackFunction( |
| 3349 | FailedAccessCheckCallback callback) { |
| 3350 | if (IsDeadCheck("v8::V8::SetFailedAccessCheckCallbackFunction()")) return; |
| 3351 | i::Top::SetFailedAccessCheckCallback(callback); |
| 3352 | } |
| 3353 | |
| 3354 | |
| 3355 | void V8::AddObjectGroup(Persistent<Value>* objects, size_t length) { |
| 3356 | if (IsDeadCheck("v8::V8::AddObjectGroup()")) return; |
| 3357 | STATIC_ASSERT(sizeof(Persistent<Value>) == sizeof(i::Object**)); |
| 3358 | i::GlobalHandles::AddGroup(reinterpret_cast<i::Object***>(objects), length); |
| 3359 | } |
| 3360 | |
| 3361 | |
| 3362 | int V8::AdjustAmountOfExternalAllocatedMemory(int change_in_bytes) { |
| 3363 | if (IsDeadCheck("v8::V8::AdjustAmountOfExternalAllocatedMemory()")) return 0; |
| 3364 | return i::Heap::AdjustAmountOfExternalAllocatedMemory(change_in_bytes); |
| 3365 | } |
| 3366 | |
| 3367 | |
| 3368 | void V8::SetGlobalGCPrologueCallback(GCCallback callback) { |
| 3369 | if (IsDeadCheck("v8::V8::SetGlobalGCPrologueCallback()")) return; |
| 3370 | i::Heap::SetGlobalGCPrologueCallback(callback); |
| 3371 | } |
| 3372 | |
| 3373 | |
| 3374 | void V8::SetGlobalGCEpilogueCallback(GCCallback callback) { |
| 3375 | if (IsDeadCheck("v8::V8::SetGlobalGCEpilogueCallback()")) return; |
| 3376 | i::Heap::SetGlobalGCEpilogueCallback(callback); |
| 3377 | } |
| 3378 | |
| 3379 | |
| 3380 | void V8::PauseProfiler() { |
| 3381 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3382 | i::Logger::PauseProfiler(PROFILER_MODULE_CPU); |
| 3383 | #endif |
| 3384 | } |
| 3385 | |
| 3386 | |
| 3387 | void V8::ResumeProfiler() { |
| 3388 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3389 | i::Logger::ResumeProfiler(PROFILER_MODULE_CPU); |
| 3390 | #endif |
| 3391 | } |
| 3392 | |
| 3393 | |
| 3394 | bool V8::IsProfilerPaused() { |
| 3395 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3396 | return i::Logger::GetActiveProfilerModules() & PROFILER_MODULE_CPU; |
| 3397 | #else |
| 3398 | return true; |
| 3399 | #endif |
| 3400 | } |
| 3401 | |
| 3402 | |
| 3403 | void V8::ResumeProfilerEx(int flags) { |
| 3404 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3405 | if (flags & PROFILER_MODULE_HEAP_SNAPSHOT) { |
| 3406 | // Snapshot mode: resume modules, perform GC, then pause only |
| 3407 | // those modules which haven't been started prior to making a |
| 3408 | // snapshot. |
| 3409 | |
| 3410 | // Reset snapshot flag and CPU module flags. |
| 3411 | flags &= ~(PROFILER_MODULE_HEAP_SNAPSHOT | PROFILER_MODULE_CPU); |
| 3412 | const int current_flags = i::Logger::GetActiveProfilerModules(); |
| 3413 | i::Logger::ResumeProfiler(flags); |
| 3414 | i::Heap::CollectAllGarbage(false); |
| 3415 | i::Logger::PauseProfiler(~current_flags & flags); |
| 3416 | } else { |
| 3417 | i::Logger::ResumeProfiler(flags); |
| 3418 | } |
| 3419 | #endif |
| 3420 | } |
| 3421 | |
| 3422 | |
| 3423 | void V8::PauseProfilerEx(int flags) { |
| 3424 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3425 | i::Logger::PauseProfiler(flags); |
| 3426 | #endif |
| 3427 | } |
| 3428 | |
| 3429 | |
| 3430 | int V8::GetActiveProfilerModules() { |
| 3431 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3432 | return i::Logger::GetActiveProfilerModules(); |
| 3433 | #else |
| 3434 | return PROFILER_MODULE_NONE; |
| 3435 | #endif |
| 3436 | } |
| 3437 | |
| 3438 | |
| 3439 | int V8::GetLogLines(int from_pos, char* dest_buf, int max_size) { |
| 3440 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3441 | return i::Logger::GetLogLines(from_pos, dest_buf, max_size); |
| 3442 | #endif |
| 3443 | return 0; |
| 3444 | } |
| 3445 | |
| 3446 | |
| 3447 | int V8::GetCurrentThreadId() { |
| 3448 | API_ENTRY_CHECK("V8::GetCurrentThreadId()"); |
| 3449 | EnsureInitialized("V8::GetCurrentThreadId()"); |
| 3450 | return i::Top::thread_id(); |
| 3451 | } |
| 3452 | |
| 3453 | |
| 3454 | void V8::TerminateExecution(int thread_id) { |
| 3455 | if (!i::V8::IsRunning()) return; |
| 3456 | API_ENTRY_CHECK("V8::GetCurrentThreadId()"); |
| 3457 | // If the thread_id identifies the current thread just terminate |
| 3458 | // execution right away. Otherwise, ask the thread manager to |
| 3459 | // terminate the thread with the given id if any. |
| 3460 | if (thread_id == i::Top::thread_id()) { |
| 3461 | i::StackGuard::TerminateExecution(); |
| 3462 | } else { |
| 3463 | i::ThreadManager::TerminateExecution(thread_id); |
| 3464 | } |
| 3465 | } |
| 3466 | |
| 3467 | |
| 3468 | void V8::TerminateExecution() { |
| 3469 | if (!i::V8::IsRunning()) return; |
| 3470 | i::StackGuard::TerminateExecution(); |
| 3471 | } |
| 3472 | |
| 3473 | |
| 3474 | String::Utf8Value::Utf8Value(v8::Handle<v8::Value> obj) { |
| 3475 | EnsureInitialized("v8::String::Utf8Value::Utf8Value()"); |
| 3476 | if (obj.IsEmpty()) { |
| 3477 | str_ = NULL; |
| 3478 | length_ = 0; |
| 3479 | return; |
| 3480 | } |
| 3481 | ENTER_V8; |
| 3482 | HandleScope scope; |
| 3483 | TryCatch try_catch; |
| 3484 | Handle<String> str = obj->ToString(); |
| 3485 | if (str.IsEmpty()) { |
| 3486 | str_ = NULL; |
| 3487 | length_ = 0; |
| 3488 | } else { |
| 3489 | length_ = str->Utf8Length(); |
| 3490 | str_ = i::NewArray<char>(length_ + 1); |
| 3491 | str->WriteUtf8(str_); |
| 3492 | } |
| 3493 | } |
| 3494 | |
| 3495 | |
| 3496 | String::Utf8Value::~Utf8Value() { |
| 3497 | i::DeleteArray(str_); |
| 3498 | } |
| 3499 | |
| 3500 | |
| 3501 | String::AsciiValue::AsciiValue(v8::Handle<v8::Value> obj) { |
| 3502 | EnsureInitialized("v8::String::AsciiValue::AsciiValue()"); |
| 3503 | if (obj.IsEmpty()) { |
| 3504 | str_ = NULL; |
| 3505 | length_ = 0; |
| 3506 | return; |
| 3507 | } |
| 3508 | ENTER_V8; |
| 3509 | HandleScope scope; |
| 3510 | TryCatch try_catch; |
| 3511 | Handle<String> str = obj->ToString(); |
| 3512 | if (str.IsEmpty()) { |
| 3513 | str_ = NULL; |
| 3514 | length_ = 0; |
| 3515 | } else { |
| 3516 | length_ = str->Length(); |
| 3517 | str_ = i::NewArray<char>(length_ + 1); |
| 3518 | str->WriteAscii(str_); |
| 3519 | } |
| 3520 | } |
| 3521 | |
| 3522 | |
| 3523 | String::AsciiValue::~AsciiValue() { |
| 3524 | i::DeleteArray(str_); |
| 3525 | } |
| 3526 | |
| 3527 | |
| 3528 | String::Value::Value(v8::Handle<v8::Value> obj) { |
| 3529 | EnsureInitialized("v8::String::Value::Value()"); |
| 3530 | if (obj.IsEmpty()) { |
| 3531 | str_ = NULL; |
| 3532 | length_ = 0; |
| 3533 | return; |
| 3534 | } |
| 3535 | ENTER_V8; |
| 3536 | HandleScope scope; |
| 3537 | TryCatch try_catch; |
| 3538 | Handle<String> str = obj->ToString(); |
| 3539 | if (str.IsEmpty()) { |
| 3540 | str_ = NULL; |
| 3541 | length_ = 0; |
| 3542 | } else { |
| 3543 | length_ = str->Length(); |
| 3544 | str_ = i::NewArray<uint16_t>(length_ + 1); |
| 3545 | str->Write(str_); |
| 3546 | } |
| 3547 | } |
| 3548 | |
| 3549 | |
| 3550 | String::Value::~Value() { |
| 3551 | i::DeleteArray(str_); |
| 3552 | } |
| 3553 | |
| 3554 | Local<Value> Exception::RangeError(v8::Handle<v8::String> raw_message) { |
| 3555 | LOG_API("RangeError"); |
| 3556 | ON_BAILOUT("v8::Exception::RangeError()", return Local<Value>()); |
| 3557 | ENTER_V8; |
| 3558 | i::Object* error; |
| 3559 | { |
| 3560 | HandleScope scope; |
| 3561 | i::Handle<i::String> message = Utils::OpenHandle(*raw_message); |
| 3562 | i::Handle<i::Object> result = i::Factory::NewRangeError(message); |
| 3563 | error = *result; |
| 3564 | } |
| 3565 | i::Handle<i::Object> result(error); |
| 3566 | return Utils::ToLocal(result); |
| 3567 | } |
| 3568 | |
| 3569 | Local<Value> Exception::ReferenceError(v8::Handle<v8::String> raw_message) { |
| 3570 | LOG_API("ReferenceError"); |
| 3571 | ON_BAILOUT("v8::Exception::ReferenceError()", return Local<Value>()); |
| 3572 | ENTER_V8; |
| 3573 | i::Object* error; |
| 3574 | { |
| 3575 | HandleScope scope; |
| 3576 | i::Handle<i::String> message = Utils::OpenHandle(*raw_message); |
| 3577 | i::Handle<i::Object> result = i::Factory::NewReferenceError(message); |
| 3578 | error = *result; |
| 3579 | } |
| 3580 | i::Handle<i::Object> result(error); |
| 3581 | return Utils::ToLocal(result); |
| 3582 | } |
| 3583 | |
| 3584 | Local<Value> Exception::SyntaxError(v8::Handle<v8::String> raw_message) { |
| 3585 | LOG_API("SyntaxError"); |
| 3586 | ON_BAILOUT("v8::Exception::SyntaxError()", return Local<Value>()); |
| 3587 | ENTER_V8; |
| 3588 | i::Object* error; |
| 3589 | { |
| 3590 | HandleScope scope; |
| 3591 | i::Handle<i::String> message = Utils::OpenHandle(*raw_message); |
| 3592 | i::Handle<i::Object> result = i::Factory::NewSyntaxError(message); |
| 3593 | error = *result; |
| 3594 | } |
| 3595 | i::Handle<i::Object> result(error); |
| 3596 | return Utils::ToLocal(result); |
| 3597 | } |
| 3598 | |
| 3599 | Local<Value> Exception::TypeError(v8::Handle<v8::String> raw_message) { |
| 3600 | LOG_API("TypeError"); |
| 3601 | ON_BAILOUT("v8::Exception::TypeError()", return Local<Value>()); |
| 3602 | ENTER_V8; |
| 3603 | i::Object* error; |
| 3604 | { |
| 3605 | HandleScope scope; |
| 3606 | i::Handle<i::String> message = Utils::OpenHandle(*raw_message); |
| 3607 | i::Handle<i::Object> result = i::Factory::NewTypeError(message); |
| 3608 | error = *result; |
| 3609 | } |
| 3610 | i::Handle<i::Object> result(error); |
| 3611 | return Utils::ToLocal(result); |
| 3612 | } |
| 3613 | |
| 3614 | Local<Value> Exception::Error(v8::Handle<v8::String> raw_message) { |
| 3615 | LOG_API("Error"); |
| 3616 | ON_BAILOUT("v8::Exception::Error()", return Local<Value>()); |
| 3617 | ENTER_V8; |
| 3618 | i::Object* error; |
| 3619 | { |
| 3620 | HandleScope scope; |
| 3621 | i::Handle<i::String> message = Utils::OpenHandle(*raw_message); |
| 3622 | i::Handle<i::Object> result = i::Factory::NewError(message); |
| 3623 | error = *result; |
| 3624 | } |
| 3625 | i::Handle<i::Object> result(error); |
| 3626 | return Utils::ToLocal(result); |
| 3627 | } |
| 3628 | |
| 3629 | |
| 3630 | // --- D e b u g S u p p o r t --- |
| 3631 | |
| 3632 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 3633 | bool Debug::SetDebugEventListener(EventCallback that, Handle<Value> data) { |
| 3634 | EnsureInitialized("v8::Debug::SetDebugEventListener()"); |
| 3635 | ON_BAILOUT("v8::Debug::SetDebugEventListener()", return false); |
| 3636 | ENTER_V8; |
| 3637 | HandleScope scope; |
| 3638 | i::Handle<i::Object> proxy = i::Factory::undefined_value(); |
| 3639 | if (that != NULL) { |
| 3640 | proxy = i::Factory::NewProxy(FUNCTION_ADDR(that)); |
| 3641 | } |
| 3642 | i::Debugger::SetEventListener(proxy, Utils::OpenHandle(*data)); |
| 3643 | return true; |
| 3644 | } |
| 3645 | |
| 3646 | |
| 3647 | bool Debug::SetDebugEventListener(v8::Handle<v8::Object> that, |
| 3648 | Handle<Value> data) { |
| 3649 | ON_BAILOUT("v8::Debug::SetDebugEventListener()", return false); |
| 3650 | ENTER_V8; |
| 3651 | i::Debugger::SetEventListener(Utils::OpenHandle(*that), |
| 3652 | Utils::OpenHandle(*data)); |
| 3653 | return true; |
| 3654 | } |
| 3655 | |
| 3656 | |
| 3657 | void Debug::DebugBreak() { |
| 3658 | if (!i::V8::IsRunning()) return; |
| 3659 | i::StackGuard::DebugBreak(); |
| 3660 | } |
| 3661 | |
| 3662 | |
| 3663 | static v8::Debug::MessageHandler message_handler = NULL; |
| 3664 | |
| 3665 | static void MessageHandlerWrapper(const v8::Debug::Message& message) { |
| 3666 | if (message_handler) { |
| 3667 | v8::String::Value json(message.GetJSON()); |
| 3668 | message_handler(*json, json.length(), message.GetClientData()); |
| 3669 | } |
| 3670 | } |
| 3671 | |
| 3672 | |
| 3673 | void Debug::SetMessageHandler(v8::Debug::MessageHandler handler, |
| 3674 | bool message_handler_thread) { |
| 3675 | EnsureInitialized("v8::Debug::SetMessageHandler"); |
| 3676 | ENTER_V8; |
| 3677 | // Message handler thread not supported any more. Parameter temporally left in |
| 3678 | // the API for client compatability reasons. |
| 3679 | CHECK(!message_handler_thread); |
| 3680 | |
| 3681 | // TODO(sgjesse) support the old message handler API through a simple wrapper. |
| 3682 | message_handler = handler; |
| 3683 | if (message_handler != NULL) { |
| 3684 | i::Debugger::SetMessageHandler(MessageHandlerWrapper); |
| 3685 | } else { |
| 3686 | i::Debugger::SetMessageHandler(NULL); |
| 3687 | } |
| 3688 | } |
| 3689 | |
| 3690 | |
| 3691 | void Debug::SetMessageHandler2(v8::Debug::MessageHandler2 handler) { |
| 3692 | EnsureInitialized("v8::Debug::SetMessageHandler"); |
| 3693 | ENTER_V8; |
| 3694 | HandleScope scope; |
| 3695 | i::Debugger::SetMessageHandler(handler); |
| 3696 | } |
| 3697 | |
| 3698 | |
| 3699 | void Debug::SendCommand(const uint16_t* command, int length, |
| 3700 | ClientData* client_data) { |
| 3701 | if (!i::V8::IsRunning()) return; |
| 3702 | i::Debugger::ProcessCommand(i::Vector<const uint16_t>(command, length), |
| 3703 | client_data); |
| 3704 | } |
| 3705 | |
| 3706 | |
| 3707 | void Debug::SetHostDispatchHandler(HostDispatchHandler handler, |
| 3708 | int period) { |
| 3709 | EnsureInitialized("v8::Debug::SetHostDispatchHandler"); |
| 3710 | ENTER_V8; |
| 3711 | i::Debugger::SetHostDispatchHandler(handler, period); |
| 3712 | } |
| 3713 | |
| 3714 | |
| 3715 | Local<Value> Debug::Call(v8::Handle<v8::Function> fun, |
| 3716 | v8::Handle<v8::Value> data) { |
| 3717 | if (!i::V8::IsRunning()) return Local<Value>(); |
| 3718 | ON_BAILOUT("v8::Debug::Call()", return Local<Value>()); |
| 3719 | ENTER_V8; |
| 3720 | i::Handle<i::Object> result; |
| 3721 | EXCEPTION_PREAMBLE(); |
| 3722 | if (data.IsEmpty()) { |
| 3723 | result = i::Debugger::Call(Utils::OpenHandle(*fun), |
| 3724 | i::Factory::undefined_value(), |
| 3725 | &has_pending_exception); |
| 3726 | } else { |
| 3727 | result = i::Debugger::Call(Utils::OpenHandle(*fun), |
| 3728 | Utils::OpenHandle(*data), |
| 3729 | &has_pending_exception); |
| 3730 | } |
| 3731 | EXCEPTION_BAILOUT_CHECK(Local<Value>()); |
| 3732 | return Utils::ToLocal(result); |
| 3733 | } |
| 3734 | |
| 3735 | |
| 3736 | Local<Value> Debug::GetMirror(v8::Handle<v8::Value> obj) { |
| 3737 | if (!i::V8::IsRunning()) return Local<Value>(); |
| 3738 | ON_BAILOUT("v8::Debug::GetMirror()", return Local<Value>()); |
| 3739 | ENTER_V8; |
| 3740 | v8::HandleScope scope; |
| 3741 | i::Debug::Load(); |
| 3742 | i::Handle<i::JSObject> debug(i::Debug::debug_context()->global()); |
| 3743 | i::Handle<i::String> name = i::Factory::LookupAsciiSymbol("MakeMirror"); |
| 3744 | i::Handle<i::Object> fun_obj = i::GetProperty(debug, name); |
| 3745 | i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(fun_obj); |
| 3746 | v8::Handle<v8::Function> v8_fun = Utils::ToLocal(fun); |
| 3747 | const int kArgc = 1; |
| 3748 | v8::Handle<v8::Value> argv[kArgc] = { obj }; |
| 3749 | EXCEPTION_PREAMBLE(); |
| 3750 | v8::Handle<v8::Value> result = v8_fun->Call(Utils::ToLocal(debug), |
| 3751 | kArgc, |
| 3752 | argv); |
| 3753 | EXCEPTION_BAILOUT_CHECK(Local<Value>()); |
| 3754 | return scope.Close(result); |
| 3755 | } |
| 3756 | |
| 3757 | |
| 3758 | bool Debug::EnableAgent(const char* name, int port) { |
| 3759 | return i::Debugger::StartAgent(name, port); |
| 3760 | } |
| 3761 | #endif // ENABLE_DEBUGGER_SUPPORT |
| 3762 | |
| 3763 | namespace internal { |
| 3764 | |
| 3765 | |
| 3766 | HandleScopeImplementer* HandleScopeImplementer::instance() { |
| 3767 | return &thread_local; |
| 3768 | } |
| 3769 | |
| 3770 | |
| 3771 | void HandleScopeImplementer::FreeThreadResources() { |
| 3772 | thread_local.Free(); |
| 3773 | } |
| 3774 | |
| 3775 | |
| 3776 | char* HandleScopeImplementer::ArchiveThread(char* storage) { |
| 3777 | return thread_local.ArchiveThreadHelper(storage); |
| 3778 | } |
| 3779 | |
| 3780 | |
| 3781 | char* HandleScopeImplementer::ArchiveThreadHelper(char* storage) { |
| 3782 | v8::ImplementationUtilities::HandleScopeData* current = |
| 3783 | v8::ImplementationUtilities::CurrentHandleScope(); |
| 3784 | handle_scope_data_ = *current; |
| 3785 | memcpy(storage, this, sizeof(*this)); |
| 3786 | |
| 3787 | ResetAfterArchive(); |
| 3788 | current->Initialize(); |
| 3789 | |
| 3790 | return storage + ArchiveSpacePerThread(); |
| 3791 | } |
| 3792 | |
| 3793 | |
| 3794 | int HandleScopeImplementer::ArchiveSpacePerThread() { |
| 3795 | return sizeof(thread_local); |
| 3796 | } |
| 3797 | |
| 3798 | |
| 3799 | char* HandleScopeImplementer::RestoreThread(char* storage) { |
| 3800 | return thread_local.RestoreThreadHelper(storage); |
| 3801 | } |
| 3802 | |
| 3803 | |
| 3804 | char* HandleScopeImplementer::RestoreThreadHelper(char* storage) { |
| 3805 | memcpy(this, storage, sizeof(*this)); |
| 3806 | *v8::ImplementationUtilities::CurrentHandleScope() = handle_scope_data_; |
| 3807 | return storage + ArchiveSpacePerThread(); |
| 3808 | } |
| 3809 | |
| 3810 | |
| 3811 | void HandleScopeImplementer::IterateThis(ObjectVisitor* v) { |
| 3812 | // Iterate over all handles in the blocks except for the last. |
| 3813 | for (int i = blocks()->length() - 2; i >= 0; --i) { |
| 3814 | Object** block = blocks()->at(i); |
| 3815 | v->VisitPointers(block, &block[kHandleBlockSize]); |
| 3816 | } |
| 3817 | |
| 3818 | // Iterate over live handles in the last block (if any). |
| 3819 | if (!blocks()->is_empty()) { |
| 3820 | v->VisitPointers(blocks()->last(), handle_scope_data_.next); |
| 3821 | } |
| 3822 | |
| 3823 | if (!saved_contexts_.is_empty()) { |
| 3824 | Object** start = reinterpret_cast<Object**>(&saved_contexts_.first()); |
| 3825 | v->VisitPointers(start, start + saved_contexts_.length()); |
| 3826 | } |
| 3827 | } |
| 3828 | |
| 3829 | |
| 3830 | void HandleScopeImplementer::Iterate(ObjectVisitor* v) { |
| 3831 | v8::ImplementationUtilities::HandleScopeData* current = |
| 3832 | v8::ImplementationUtilities::CurrentHandleScope(); |
| 3833 | thread_local.handle_scope_data_ = *current; |
| 3834 | thread_local.IterateThis(v); |
| 3835 | } |
| 3836 | |
| 3837 | |
| 3838 | char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) { |
| 3839 | HandleScopeImplementer* thread_local = |
| 3840 | reinterpret_cast<HandleScopeImplementer*>(storage); |
| 3841 | thread_local->IterateThis(v); |
| 3842 | return storage + ArchiveSpacePerThread(); |
| 3843 | } |
| 3844 | |
| 3845 | } } // namespace v8::internal |