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" |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 37 | #include "globals.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 38 | #include "platform.h" |
| 39 | #include "serialize.h" |
| 40 | #include "snapshot.h" |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 41 | #include "utils.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 42 | #include "v8threads.h" |
| 43 | #include "version.h" |
| 44 | |
| 45 | |
| 46 | #define LOG_API(expr) LOG(ApiEntryCall(expr)) |
| 47 | |
| 48 | #ifdef ENABLE_HEAP_PROTECTION |
| 49 | #define ENTER_V8 i::VMState __state__(i::OTHER) |
| 50 | #define LEAVE_V8 i::VMState __state__(i::EXTERNAL) |
| 51 | #else |
| 52 | #define ENTER_V8 ((void) 0) |
| 53 | #define LEAVE_V8 ((void) 0) |
| 54 | #endif |
| 55 | |
| 56 | namespace v8 { |
| 57 | |
| 58 | |
| 59 | #define ON_BAILOUT(location, code) \ |
| 60 | if (IsDeadCheck(location)) { \ |
| 61 | code; \ |
| 62 | UNREACHABLE(); \ |
| 63 | } |
| 64 | |
| 65 | |
| 66 | #define EXCEPTION_PREAMBLE() \ |
| 67 | thread_local.IncrementCallDepth(); \ |
| 68 | ASSERT(!i::Top::external_caught_exception()); \ |
| 69 | bool has_pending_exception = false |
| 70 | |
| 71 | |
| 72 | #define EXCEPTION_BAILOUT_CHECK(value) \ |
| 73 | do { \ |
| 74 | thread_local.DecrementCallDepth(); \ |
| 75 | if (has_pending_exception) { \ |
| 76 | if (thread_local.CallDepthIsZero() && i::Top::is_out_of_memory()) { \ |
| 77 | if (!thread_local.ignore_out_of_memory()) \ |
| 78 | i::V8::FatalProcessOutOfMemory(NULL); \ |
| 79 | } \ |
| 80 | bool call_depth_is_zero = thread_local.CallDepthIsZero(); \ |
| 81 | i::Top::OptionalRescheduleException(call_depth_is_zero); \ |
| 82 | return value; \ |
| 83 | } \ |
| 84 | } while (false) |
| 85 | |
| 86 | |
| 87 | #define API_ENTRY_CHECK(msg) \ |
| 88 | do { \ |
| 89 | if (v8::Locker::IsActive()) { \ |
| 90 | ApiCheck(i::ThreadManager::IsLockedByCurrentThread(), \ |
| 91 | msg, \ |
| 92 | "Entering the V8 API without proper locking in place"); \ |
| 93 | } \ |
| 94 | } while (false) |
| 95 | |
| 96 | // --- 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 --- |
| 97 | |
| 98 | |
| 99 | static i::HandleScopeImplementer thread_local; |
| 100 | |
| 101 | |
| 102 | // --- E x c e p t i o n B e h a v i o r --- |
| 103 | |
| 104 | |
| 105 | static FatalErrorCallback exception_behavior = NULL; |
| 106 | int i::Internals::kJSObjectType = JS_OBJECT_TYPE; |
| 107 | int i::Internals::kFirstNonstringType = FIRST_NONSTRING_TYPE; |
| 108 | int i::Internals::kProxyType = PROXY_TYPE; |
| 109 | |
| 110 | static void DefaultFatalErrorHandler(const char* location, |
| 111 | const char* message) { |
| 112 | ENTER_V8; |
| 113 | API_Fatal(location, message); |
| 114 | } |
| 115 | |
| 116 | |
| 117 | |
| 118 | static FatalErrorCallback& GetFatalErrorHandler() { |
| 119 | if (exception_behavior == NULL) { |
| 120 | exception_behavior = DefaultFatalErrorHandler; |
| 121 | } |
| 122 | return exception_behavior; |
| 123 | } |
| 124 | |
| 125 | |
| 126 | |
| 127 | // When V8 cannot allocated memory FatalProcessOutOfMemory is called. |
| 128 | // The default fatal error handler is called and execution is stopped. |
| 129 | void i::V8::FatalProcessOutOfMemory(const char* location) { |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 130 | i::HeapStats heap_stats; |
| 131 | int start_marker; |
| 132 | heap_stats.start_marker = &start_marker; |
| 133 | int new_space_size; |
| 134 | heap_stats.new_space_size = &new_space_size; |
| 135 | int new_space_capacity; |
| 136 | heap_stats.new_space_capacity = &new_space_capacity; |
| 137 | int old_pointer_space_size; |
| 138 | heap_stats.old_pointer_space_size = &old_pointer_space_size; |
| 139 | int old_pointer_space_capacity; |
| 140 | heap_stats.old_pointer_space_capacity = &old_pointer_space_capacity; |
| 141 | int old_data_space_size; |
| 142 | heap_stats.old_data_space_size = &old_data_space_size; |
| 143 | int old_data_space_capacity; |
| 144 | heap_stats.old_data_space_capacity = &old_data_space_capacity; |
| 145 | int code_space_size; |
| 146 | heap_stats.code_space_size = &code_space_size; |
| 147 | int code_space_capacity; |
| 148 | heap_stats.code_space_capacity = &code_space_capacity; |
| 149 | int map_space_size; |
| 150 | heap_stats.map_space_size = &map_space_size; |
| 151 | int map_space_capacity; |
| 152 | heap_stats.map_space_capacity = &map_space_capacity; |
| 153 | int cell_space_size; |
| 154 | heap_stats.cell_space_size = &cell_space_size; |
| 155 | int cell_space_capacity; |
| 156 | heap_stats.cell_space_capacity = &cell_space_capacity; |
| 157 | int lo_space_size; |
| 158 | heap_stats.lo_space_size = &lo_space_size; |
| 159 | int global_handle_count; |
| 160 | heap_stats.global_handle_count = &global_handle_count; |
| 161 | int weak_global_handle_count; |
| 162 | heap_stats.weak_global_handle_count = &weak_global_handle_count; |
| 163 | int pending_global_handle_count; |
| 164 | heap_stats.pending_global_handle_count = &pending_global_handle_count; |
| 165 | int near_death_global_handle_count; |
| 166 | heap_stats.near_death_global_handle_count = &near_death_global_handle_count; |
| 167 | int destroyed_global_handle_count; |
| 168 | heap_stats.destroyed_global_handle_count = &destroyed_global_handle_count; |
| 169 | int end_marker; |
| 170 | heap_stats.end_marker = &end_marker; |
| 171 | i::Heap::RecordStats(&heap_stats); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 172 | i::V8::SetFatalError(); |
| 173 | FatalErrorCallback callback = GetFatalErrorHandler(); |
| 174 | { |
| 175 | LEAVE_V8; |
| 176 | callback(location, "Allocation failed - process out of memory"); |
| 177 | } |
| 178 | // If the callback returns, we stop execution. |
| 179 | UNREACHABLE(); |
| 180 | } |
| 181 | |
| 182 | |
| 183 | void V8::SetFatalErrorHandler(FatalErrorCallback that) { |
| 184 | exception_behavior = that; |
| 185 | } |
| 186 | |
| 187 | |
| 188 | bool Utils::ReportApiFailure(const char* location, const char* message) { |
| 189 | FatalErrorCallback callback = GetFatalErrorHandler(); |
| 190 | callback(location, message); |
| 191 | i::V8::SetFatalError(); |
| 192 | return false; |
| 193 | } |
| 194 | |
| 195 | |
| 196 | bool V8::IsDead() { |
| 197 | return i::V8::IsDead(); |
| 198 | } |
| 199 | |
| 200 | |
| 201 | static inline bool ApiCheck(bool condition, |
| 202 | const char* location, |
| 203 | const char* message) { |
| 204 | return condition ? true : Utils::ReportApiFailure(location, message); |
| 205 | } |
| 206 | |
| 207 | |
| 208 | static bool ReportV8Dead(const char* location) { |
| 209 | FatalErrorCallback callback = GetFatalErrorHandler(); |
| 210 | callback(location, "V8 is no longer usable"); |
| 211 | return true; |
| 212 | } |
| 213 | |
| 214 | |
| 215 | static bool ReportEmptyHandle(const char* location) { |
| 216 | FatalErrorCallback callback = GetFatalErrorHandler(); |
| 217 | callback(location, "Reading from empty handle"); |
| 218 | return true; |
| 219 | } |
| 220 | |
| 221 | |
| 222 | /** |
| 223 | * IsDeadCheck checks that the vm is usable. If, for instance, the vm has been |
| 224 | * out of memory at some point this check will fail. It should be called on |
| 225 | * entry to all methods that touch anything in the heap, except destructors |
| 226 | * which you sometimes can't avoid calling after the vm has crashed. Functions |
| 227 | * that call EnsureInitialized or ON_BAILOUT don't have to also call |
| 228 | * IsDeadCheck. ON_BAILOUT has the advantage over EnsureInitialized that you |
| 229 | * can arrange to return if the VM is dead. This is needed to ensure that no VM |
| 230 | * heap allocations are attempted on a dead VM. EnsureInitialized has the |
| 231 | * advantage over ON_BAILOUT that it actually initializes the VM if this has not |
| 232 | * yet been done. |
| 233 | */ |
| 234 | static inline bool IsDeadCheck(const char* location) { |
| 235 | return !i::V8::IsRunning() |
| 236 | && i::V8::IsDead() ? ReportV8Dead(location) : false; |
| 237 | } |
| 238 | |
| 239 | |
| 240 | static inline bool EmptyCheck(const char* location, v8::Handle<v8::Data> obj) { |
| 241 | return obj.IsEmpty() ? ReportEmptyHandle(location) : false; |
| 242 | } |
| 243 | |
| 244 | |
| 245 | static inline bool EmptyCheck(const char* location, const v8::Data* obj) { |
| 246 | return (obj == 0) ? ReportEmptyHandle(location) : false; |
| 247 | } |
| 248 | |
| 249 | // --- S t a t i c s --- |
| 250 | |
| 251 | |
| 252 | static i::StringInputBuffer write_input_buffer; |
| 253 | |
| 254 | |
| 255 | static inline bool EnsureInitialized(const char* location) { |
| 256 | if (i::V8::IsRunning()) { |
| 257 | return true; |
| 258 | } |
| 259 | if (IsDeadCheck(location)) { |
| 260 | return false; |
| 261 | } |
| 262 | return ApiCheck(v8::V8::Initialize(), location, "Error initializing V8"); |
| 263 | } |
| 264 | |
| 265 | |
| 266 | ImplementationUtilities::HandleScopeData* |
| 267 | ImplementationUtilities::CurrentHandleScope() { |
| 268 | return &i::HandleScope::current_; |
| 269 | } |
| 270 | |
| 271 | |
| 272 | #ifdef DEBUG |
| 273 | void ImplementationUtilities::ZapHandleRange(i::Object** begin, |
| 274 | i::Object** end) { |
| 275 | i::HandleScope::ZapRange(begin, end); |
| 276 | } |
| 277 | #endif |
| 278 | |
| 279 | |
| 280 | v8::Handle<v8::Primitive> ImplementationUtilities::Undefined() { |
| 281 | if (!EnsureInitialized("v8::Undefined()")) return v8::Handle<v8::Primitive>(); |
| 282 | return v8::Handle<Primitive>(ToApi<Primitive>(i::Factory::undefined_value())); |
| 283 | } |
| 284 | |
| 285 | |
| 286 | v8::Handle<v8::Primitive> ImplementationUtilities::Null() { |
| 287 | if (!EnsureInitialized("v8::Null()")) return v8::Handle<v8::Primitive>(); |
| 288 | return v8::Handle<Primitive>(ToApi<Primitive>(i::Factory::null_value())); |
| 289 | } |
| 290 | |
| 291 | |
| 292 | v8::Handle<v8::Boolean> ImplementationUtilities::True() { |
| 293 | if (!EnsureInitialized("v8::True()")) return v8::Handle<v8::Boolean>(); |
| 294 | return v8::Handle<v8::Boolean>(ToApi<Boolean>(i::Factory::true_value())); |
| 295 | } |
| 296 | |
| 297 | |
| 298 | v8::Handle<v8::Boolean> ImplementationUtilities::False() { |
| 299 | if (!EnsureInitialized("v8::False()")) return v8::Handle<v8::Boolean>(); |
| 300 | return v8::Handle<v8::Boolean>(ToApi<Boolean>(i::Factory::false_value())); |
| 301 | } |
| 302 | |
| 303 | |
| 304 | void V8::SetFlagsFromString(const char* str, int length) { |
| 305 | i::FlagList::SetFlagsFromString(str, length); |
| 306 | } |
| 307 | |
| 308 | |
| 309 | void V8::SetFlagsFromCommandLine(int* argc, char** argv, bool remove_flags) { |
| 310 | i::FlagList::SetFlagsFromCommandLine(argc, argv, remove_flags); |
| 311 | } |
| 312 | |
| 313 | |
| 314 | v8::Handle<Value> ThrowException(v8::Handle<v8::Value> value) { |
| 315 | if (IsDeadCheck("v8::ThrowException()")) return v8::Handle<Value>(); |
| 316 | ENTER_V8; |
| 317 | // If we're passed an empty handle, we throw an undefined exception |
| 318 | // to deal more gracefully with out of memory situations. |
| 319 | if (value.IsEmpty()) { |
| 320 | i::Top::ScheduleThrow(i::Heap::undefined_value()); |
| 321 | } else { |
| 322 | i::Top::ScheduleThrow(*Utils::OpenHandle(*value)); |
| 323 | } |
| 324 | return v8::Undefined(); |
| 325 | } |
| 326 | |
| 327 | |
| 328 | RegisteredExtension* RegisteredExtension::first_extension_ = NULL; |
| 329 | |
| 330 | |
| 331 | RegisteredExtension::RegisteredExtension(Extension* extension) |
| 332 | : extension_(extension), state_(UNVISITED) { } |
| 333 | |
| 334 | |
| 335 | void RegisteredExtension::Register(RegisteredExtension* that) { |
| 336 | that->next_ = RegisteredExtension::first_extension_; |
| 337 | RegisteredExtension::first_extension_ = that; |
| 338 | } |
| 339 | |
| 340 | |
| 341 | void RegisterExtension(Extension* that) { |
| 342 | RegisteredExtension* extension = new RegisteredExtension(that); |
| 343 | RegisteredExtension::Register(extension); |
| 344 | } |
| 345 | |
| 346 | |
| 347 | Extension::Extension(const char* name, |
| 348 | const char* source, |
| 349 | int dep_count, |
| 350 | const char** deps) |
| 351 | : name_(name), |
| 352 | source_(source), |
| 353 | dep_count_(dep_count), |
| 354 | deps_(deps), |
| 355 | auto_enable_(false) { } |
| 356 | |
| 357 | |
| 358 | v8::Handle<Primitive> Undefined() { |
| 359 | LOG_API("Undefined"); |
| 360 | return ImplementationUtilities::Undefined(); |
| 361 | } |
| 362 | |
| 363 | |
| 364 | v8::Handle<Primitive> Null() { |
| 365 | LOG_API("Null"); |
| 366 | return ImplementationUtilities::Null(); |
| 367 | } |
| 368 | |
| 369 | |
| 370 | v8::Handle<Boolean> True() { |
| 371 | LOG_API("True"); |
| 372 | return ImplementationUtilities::True(); |
| 373 | } |
| 374 | |
| 375 | |
| 376 | v8::Handle<Boolean> False() { |
| 377 | LOG_API("False"); |
| 378 | return ImplementationUtilities::False(); |
| 379 | } |
| 380 | |
| 381 | |
| 382 | ResourceConstraints::ResourceConstraints() |
| 383 | : max_young_space_size_(0), |
| 384 | max_old_space_size_(0), |
| 385 | stack_limit_(NULL) { } |
| 386 | |
| 387 | |
| 388 | bool SetResourceConstraints(ResourceConstraints* constraints) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 389 | int young_space_size = constraints->max_young_space_size(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 390 | int old_gen_size = constraints->max_old_space_size(); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 391 | if (young_space_size != 0 || old_gen_size != 0) { |
| 392 | bool result = i::Heap::ConfigureHeap(young_space_size / 2, old_gen_size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 393 | if (!result) return false; |
| 394 | } |
| 395 | if (constraints->stack_limit() != NULL) { |
| 396 | uintptr_t limit = reinterpret_cast<uintptr_t>(constraints->stack_limit()); |
| 397 | i::StackGuard::SetStackLimit(limit); |
| 398 | } |
| 399 | return true; |
| 400 | } |
| 401 | |
| 402 | |
| 403 | i::Object** V8::GlobalizeReference(i::Object** obj) { |
| 404 | if (IsDeadCheck("V8::Persistent::New")) return NULL; |
| 405 | LOG_API("Persistent::New"); |
| 406 | i::Handle<i::Object> result = |
| 407 | i::GlobalHandles::Create(*obj); |
| 408 | return result.location(); |
| 409 | } |
| 410 | |
| 411 | |
| 412 | void V8::MakeWeak(i::Object** object, void* parameters, |
| 413 | WeakReferenceCallback callback) { |
| 414 | LOG_API("MakeWeak"); |
| 415 | i::GlobalHandles::MakeWeak(object, parameters, callback); |
| 416 | } |
| 417 | |
| 418 | |
| 419 | void V8::ClearWeak(i::Object** obj) { |
| 420 | LOG_API("ClearWeak"); |
| 421 | i::GlobalHandles::ClearWeakness(obj); |
| 422 | } |
| 423 | |
| 424 | |
| 425 | bool V8::IsGlobalNearDeath(i::Object** obj) { |
| 426 | LOG_API("IsGlobalNearDeath"); |
| 427 | if (!i::V8::IsRunning()) return false; |
| 428 | return i::GlobalHandles::IsNearDeath(obj); |
| 429 | } |
| 430 | |
| 431 | |
| 432 | bool V8::IsGlobalWeak(i::Object** obj) { |
| 433 | LOG_API("IsGlobalWeak"); |
| 434 | if (!i::V8::IsRunning()) return false; |
| 435 | return i::GlobalHandles::IsWeak(obj); |
| 436 | } |
| 437 | |
| 438 | |
| 439 | void V8::DisposeGlobal(i::Object** obj) { |
| 440 | LOG_API("DisposeGlobal"); |
| 441 | if (!i::V8::IsRunning()) return; |
| 442 | if ((*obj)->IsGlobalContext()) i::Heap::NotifyContextDisposed(); |
| 443 | i::GlobalHandles::Destroy(obj); |
| 444 | } |
| 445 | |
| 446 | // --- H a n d l e s --- |
| 447 | |
| 448 | |
| 449 | HandleScope::HandleScope() : is_closed_(false) { |
| 450 | API_ENTRY_CHECK("HandleScope::HandleScope"); |
| 451 | i::HandleScope::Enter(&previous_); |
| 452 | } |
| 453 | |
| 454 | |
| 455 | HandleScope::~HandleScope() { |
| 456 | if (!is_closed_) { |
| 457 | i::HandleScope::Leave(&previous_); |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | |
| 462 | int HandleScope::NumberOfHandles() { |
| 463 | return i::HandleScope::NumberOfHandles(); |
| 464 | } |
| 465 | |
| 466 | |
| 467 | i::Object** v8::HandleScope::CreateHandle(i::Object* value) { |
| 468 | return i::HandleScope::CreateHandle(value); |
| 469 | } |
| 470 | |
| 471 | |
| 472 | void Context::Enter() { |
| 473 | if (IsDeadCheck("v8::Context::Enter()")) return; |
| 474 | ENTER_V8; |
| 475 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 476 | thread_local.EnterContext(env); |
| 477 | |
| 478 | thread_local.SaveContext(i::Top::context()); |
| 479 | i::Top::set_context(*env); |
| 480 | } |
| 481 | |
| 482 | |
| 483 | void Context::Exit() { |
| 484 | if (!i::V8::IsRunning()) return; |
| 485 | if (!ApiCheck(thread_local.LeaveLastContext(), |
| 486 | "v8::Context::Exit()", |
| 487 | "Cannot exit non-entered context")) { |
| 488 | return; |
| 489 | } |
| 490 | |
| 491 | // Content of 'last_context' could be NULL. |
| 492 | i::Context* last_context = thread_local.RestoreContext(); |
| 493 | i::Top::set_context(last_context); |
| 494 | } |
| 495 | |
| 496 | |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 497 | void Context::SetData(v8::Handle<String> data) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 498 | if (IsDeadCheck("v8::Context::SetData()")) return; |
| 499 | ENTER_V8; |
| 500 | { |
| 501 | HandleScope scope; |
| 502 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 503 | i::Handle<i::Object> raw_data = Utils::OpenHandle(*data); |
| 504 | ASSERT(env->IsGlobalContext()); |
| 505 | if (env->IsGlobalContext()) { |
| 506 | env->set_data(*raw_data); |
| 507 | } |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | |
| 512 | v8::Local<v8::Value> Context::GetData() { |
| 513 | if (IsDeadCheck("v8::Context::GetData()")) return v8::Local<Value>(); |
| 514 | ENTER_V8; |
| 515 | i::Object* raw_result = NULL; |
| 516 | { |
| 517 | HandleScope scope; |
| 518 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 519 | ASSERT(env->IsGlobalContext()); |
| 520 | if (env->IsGlobalContext()) { |
| 521 | raw_result = env->data(); |
| 522 | } else { |
| 523 | return Local<Value>(); |
| 524 | } |
| 525 | } |
| 526 | i::Handle<i::Object> result(raw_result); |
| 527 | return Utils::ToLocal(result); |
| 528 | } |
| 529 | |
| 530 | |
| 531 | i::Object** v8::HandleScope::RawClose(i::Object** value) { |
| 532 | if (!ApiCheck(!is_closed_, |
| 533 | "v8::HandleScope::Close()", |
| 534 | "Local scope has already been closed")) { |
| 535 | return 0; |
| 536 | } |
| 537 | LOG_API("CloseHandleScope"); |
| 538 | |
| 539 | // Read the result before popping the handle block. |
| 540 | i::Object* result = *value; |
| 541 | is_closed_ = true; |
| 542 | i::HandleScope::Leave(&previous_); |
| 543 | |
| 544 | // Allocate a new handle on the previous handle block. |
| 545 | i::Handle<i::Object> handle(result); |
| 546 | return handle.location(); |
| 547 | } |
| 548 | |
| 549 | |
| 550 | // --- N e a n d e r --- |
| 551 | |
| 552 | |
| 553 | // A constructor cannot easily return an error value, therefore it is necessary |
| 554 | // to check for a dead VM with ON_BAILOUT before constructing any Neander |
| 555 | // objects. To remind you about this there is no HandleScope in the |
| 556 | // NeanderObject constructor. When you add one to the site calling the |
| 557 | // constructor you should check that you ensured the VM was not dead first. |
| 558 | NeanderObject::NeanderObject(int size) { |
| 559 | EnsureInitialized("v8::Nowhere"); |
| 560 | ENTER_V8; |
| 561 | value_ = i::Factory::NewNeanderObject(); |
| 562 | i::Handle<i::FixedArray> elements = i::Factory::NewFixedArray(size); |
| 563 | value_->set_elements(*elements); |
| 564 | } |
| 565 | |
| 566 | |
| 567 | int NeanderObject::size() { |
| 568 | return i::FixedArray::cast(value_->elements())->length(); |
| 569 | } |
| 570 | |
| 571 | |
| 572 | NeanderArray::NeanderArray() : obj_(2) { |
| 573 | obj_.set(0, i::Smi::FromInt(0)); |
| 574 | } |
| 575 | |
| 576 | |
| 577 | int NeanderArray::length() { |
| 578 | return i::Smi::cast(obj_.get(0))->value(); |
| 579 | } |
| 580 | |
| 581 | |
| 582 | i::Object* NeanderArray::get(int offset) { |
| 583 | ASSERT(0 <= offset); |
| 584 | ASSERT(offset < length()); |
| 585 | return obj_.get(offset + 1); |
| 586 | } |
| 587 | |
| 588 | |
| 589 | // This method cannot easily return an error value, therefore it is necessary |
| 590 | // to check for a dead VM with ON_BAILOUT before calling it. To remind you |
| 591 | // about this there is no HandleScope in this method. When you add one to the |
| 592 | // site calling this method you should check that you ensured the VM was not |
| 593 | // dead first. |
| 594 | void NeanderArray::add(i::Handle<i::Object> value) { |
| 595 | int length = this->length(); |
| 596 | int size = obj_.size(); |
| 597 | if (length == size - 1) { |
| 598 | i::Handle<i::FixedArray> new_elms = i::Factory::NewFixedArray(2 * size); |
| 599 | for (int i = 0; i < length; i++) |
| 600 | new_elms->set(i + 1, get(i)); |
| 601 | obj_.value()->set_elements(*new_elms); |
| 602 | } |
| 603 | obj_.set(length + 1, *value); |
| 604 | obj_.set(0, i::Smi::FromInt(length + 1)); |
| 605 | } |
| 606 | |
| 607 | |
| 608 | void NeanderArray::set(int index, i::Object* value) { |
| 609 | if (index < 0 || index >= this->length()) return; |
| 610 | obj_.set(index + 1, value); |
| 611 | } |
| 612 | |
| 613 | |
| 614 | // --- T e m p l a t e --- |
| 615 | |
| 616 | |
| 617 | static void InitializeTemplate(i::Handle<i::TemplateInfo> that, int type) { |
| 618 | that->set_tag(i::Smi::FromInt(type)); |
| 619 | } |
| 620 | |
| 621 | |
| 622 | void Template::Set(v8::Handle<String> name, v8::Handle<Data> value, |
| 623 | v8::PropertyAttribute attribute) { |
| 624 | if (IsDeadCheck("v8::Template::SetProperty()")) return; |
| 625 | ENTER_V8; |
| 626 | HandleScope scope; |
| 627 | i::Handle<i::Object> list(Utils::OpenHandle(this)->property_list()); |
| 628 | if (list->IsUndefined()) { |
| 629 | list = NeanderArray().value(); |
| 630 | Utils::OpenHandle(this)->set_property_list(*list); |
| 631 | } |
| 632 | NeanderArray array(list); |
| 633 | array.add(Utils::OpenHandle(*name)); |
| 634 | array.add(Utils::OpenHandle(*value)); |
| 635 | array.add(Utils::OpenHandle(*v8::Integer::New(attribute))); |
| 636 | } |
| 637 | |
| 638 | |
| 639 | // --- F u n c t i o n T e m p l a t e --- |
| 640 | static void InitializeFunctionTemplate( |
| 641 | i::Handle<i::FunctionTemplateInfo> info) { |
| 642 | info->set_tag(i::Smi::FromInt(Consts::FUNCTION_TEMPLATE)); |
| 643 | info->set_flag(0); |
| 644 | } |
| 645 | |
| 646 | |
| 647 | Local<ObjectTemplate> FunctionTemplate::PrototypeTemplate() { |
| 648 | if (IsDeadCheck("v8::FunctionTemplate::PrototypeTemplate()")) { |
| 649 | return Local<ObjectTemplate>(); |
| 650 | } |
| 651 | ENTER_V8; |
| 652 | i::Handle<i::Object> result(Utils::OpenHandle(this)->prototype_template()); |
| 653 | if (result->IsUndefined()) { |
| 654 | result = Utils::OpenHandle(*ObjectTemplate::New()); |
| 655 | Utils::OpenHandle(this)->set_prototype_template(*result); |
| 656 | } |
| 657 | return Local<ObjectTemplate>(ToApi<ObjectTemplate>(result)); |
| 658 | } |
| 659 | |
| 660 | |
| 661 | void FunctionTemplate::Inherit(v8::Handle<FunctionTemplate> value) { |
| 662 | if (IsDeadCheck("v8::FunctionTemplate::Inherit()")) return; |
| 663 | ENTER_V8; |
| 664 | Utils::OpenHandle(this)->set_parent_template(*Utils::OpenHandle(*value)); |
| 665 | } |
| 666 | |
| 667 | |
| 668 | // To distinguish the function templates, so that we can find them in the |
| 669 | // function cache of the global context. |
| 670 | static int next_serial_number = 0; |
| 671 | |
| 672 | |
| 673 | Local<FunctionTemplate> FunctionTemplate::New(InvocationCallback callback, |
| 674 | v8::Handle<Value> data, v8::Handle<Signature> signature) { |
| 675 | EnsureInitialized("v8::FunctionTemplate::New()"); |
| 676 | LOG_API("FunctionTemplate::New"); |
| 677 | ENTER_V8; |
| 678 | i::Handle<i::Struct> struct_obj = |
| 679 | i::Factory::NewStruct(i::FUNCTION_TEMPLATE_INFO_TYPE); |
| 680 | i::Handle<i::FunctionTemplateInfo> obj = |
| 681 | i::Handle<i::FunctionTemplateInfo>::cast(struct_obj); |
| 682 | InitializeFunctionTemplate(obj); |
| 683 | obj->set_serial_number(i::Smi::FromInt(next_serial_number++)); |
| 684 | if (callback != 0) { |
| 685 | if (data.IsEmpty()) data = v8::Undefined(); |
| 686 | Utils::ToLocal(obj)->SetCallHandler(callback, data); |
| 687 | } |
| 688 | obj->set_undetectable(false); |
| 689 | obj->set_needs_access_check(false); |
| 690 | |
| 691 | if (!signature.IsEmpty()) |
| 692 | obj->set_signature(*Utils::OpenHandle(*signature)); |
| 693 | return Utils::ToLocal(obj); |
| 694 | } |
| 695 | |
| 696 | |
| 697 | Local<Signature> Signature::New(Handle<FunctionTemplate> receiver, |
| 698 | int argc, Handle<FunctionTemplate> argv[]) { |
| 699 | EnsureInitialized("v8::Signature::New()"); |
| 700 | LOG_API("Signature::New"); |
| 701 | ENTER_V8; |
| 702 | i::Handle<i::Struct> struct_obj = |
| 703 | i::Factory::NewStruct(i::SIGNATURE_INFO_TYPE); |
| 704 | i::Handle<i::SignatureInfo> obj = |
| 705 | i::Handle<i::SignatureInfo>::cast(struct_obj); |
| 706 | if (!receiver.IsEmpty()) obj->set_receiver(*Utils::OpenHandle(*receiver)); |
| 707 | if (argc > 0) { |
| 708 | i::Handle<i::FixedArray> args = i::Factory::NewFixedArray(argc); |
| 709 | for (int i = 0; i < argc; i++) { |
| 710 | if (!argv[i].IsEmpty()) |
| 711 | args->set(i, *Utils::OpenHandle(*argv[i])); |
| 712 | } |
| 713 | obj->set_args(*args); |
| 714 | } |
| 715 | return Utils::ToLocal(obj); |
| 716 | } |
| 717 | |
| 718 | |
| 719 | Local<TypeSwitch> TypeSwitch::New(Handle<FunctionTemplate> type) { |
| 720 | Handle<FunctionTemplate> types[1] = { type }; |
| 721 | return TypeSwitch::New(1, types); |
| 722 | } |
| 723 | |
| 724 | |
| 725 | Local<TypeSwitch> TypeSwitch::New(int argc, Handle<FunctionTemplate> types[]) { |
| 726 | EnsureInitialized("v8::TypeSwitch::New()"); |
| 727 | LOG_API("TypeSwitch::New"); |
| 728 | ENTER_V8; |
| 729 | i::Handle<i::FixedArray> vector = i::Factory::NewFixedArray(argc); |
| 730 | for (int i = 0; i < argc; i++) |
| 731 | vector->set(i, *Utils::OpenHandle(*types[i])); |
| 732 | i::Handle<i::Struct> struct_obj = |
| 733 | i::Factory::NewStruct(i::TYPE_SWITCH_INFO_TYPE); |
| 734 | i::Handle<i::TypeSwitchInfo> obj = |
| 735 | i::Handle<i::TypeSwitchInfo>::cast(struct_obj); |
| 736 | obj->set_types(*vector); |
| 737 | return Utils::ToLocal(obj); |
| 738 | } |
| 739 | |
| 740 | |
| 741 | int TypeSwitch::match(v8::Handle<Value> value) { |
| 742 | LOG_API("TypeSwitch::match"); |
| 743 | i::Handle<i::Object> obj = Utils::OpenHandle(*value); |
| 744 | i::Handle<i::TypeSwitchInfo> info = Utils::OpenHandle(this); |
| 745 | i::FixedArray* types = i::FixedArray::cast(info->types()); |
| 746 | for (int i = 0; i < types->length(); i++) { |
| 747 | if (obj->IsInstanceOf(i::FunctionTemplateInfo::cast(types->get(i)))) |
| 748 | return i + 1; |
| 749 | } |
| 750 | return 0; |
| 751 | } |
| 752 | |
| 753 | |
| 754 | void FunctionTemplate::SetCallHandler(InvocationCallback callback, |
| 755 | v8::Handle<Value> data) { |
| 756 | if (IsDeadCheck("v8::FunctionTemplate::SetCallHandler()")) return; |
| 757 | ENTER_V8; |
| 758 | HandleScope scope; |
| 759 | i::Handle<i::Struct> struct_obj = |
| 760 | i::Factory::NewStruct(i::CALL_HANDLER_INFO_TYPE); |
| 761 | i::Handle<i::CallHandlerInfo> obj = |
| 762 | i::Handle<i::CallHandlerInfo>::cast(struct_obj); |
| 763 | obj->set_callback(*FromCData(callback)); |
| 764 | if (data.IsEmpty()) data = v8::Undefined(); |
| 765 | obj->set_data(*Utils::OpenHandle(*data)); |
| 766 | Utils::OpenHandle(this)->set_call_code(*obj); |
| 767 | } |
| 768 | |
| 769 | |
| 770 | void FunctionTemplate::AddInstancePropertyAccessor( |
| 771 | v8::Handle<String> name, |
| 772 | AccessorGetter getter, |
| 773 | AccessorSetter setter, |
| 774 | v8::Handle<Value> data, |
| 775 | v8::AccessControl settings, |
| 776 | v8::PropertyAttribute attributes) { |
| 777 | if (IsDeadCheck("v8::FunctionTemplate::AddInstancePropertyAccessor()")) { |
| 778 | return; |
| 779 | } |
| 780 | ENTER_V8; |
| 781 | HandleScope scope; |
| 782 | i::Handle<i::AccessorInfo> obj = i::Factory::NewAccessorInfo(); |
| 783 | ASSERT(getter != NULL); |
| 784 | obj->set_getter(*FromCData(getter)); |
| 785 | obj->set_setter(*FromCData(setter)); |
| 786 | if (data.IsEmpty()) data = v8::Undefined(); |
| 787 | obj->set_data(*Utils::OpenHandle(*data)); |
| 788 | obj->set_name(*Utils::OpenHandle(*name)); |
| 789 | if (settings & ALL_CAN_READ) obj->set_all_can_read(true); |
| 790 | if (settings & ALL_CAN_WRITE) obj->set_all_can_write(true); |
| 791 | if (settings & PROHIBITS_OVERWRITING) obj->set_prohibits_overwriting(true); |
| 792 | obj->set_property_attributes(static_cast<PropertyAttributes>(attributes)); |
| 793 | |
| 794 | i::Handle<i::Object> list(Utils::OpenHandle(this)->property_accessors()); |
| 795 | if (list->IsUndefined()) { |
| 796 | list = NeanderArray().value(); |
| 797 | Utils::OpenHandle(this)->set_property_accessors(*list); |
| 798 | } |
| 799 | NeanderArray array(list); |
| 800 | array.add(obj); |
| 801 | } |
| 802 | |
| 803 | |
| 804 | Local<ObjectTemplate> FunctionTemplate::InstanceTemplate() { |
| 805 | if (IsDeadCheck("v8::FunctionTemplate::InstanceTemplate()") |
| 806 | || EmptyCheck("v8::FunctionTemplate::InstanceTemplate()", this)) |
| 807 | return Local<ObjectTemplate>(); |
| 808 | ENTER_V8; |
| 809 | if (Utils::OpenHandle(this)->instance_template()->IsUndefined()) { |
| 810 | Local<ObjectTemplate> templ = |
| 811 | ObjectTemplate::New(v8::Handle<FunctionTemplate>(this)); |
| 812 | Utils::OpenHandle(this)->set_instance_template(*Utils::OpenHandle(*templ)); |
| 813 | } |
| 814 | i::Handle<i::ObjectTemplateInfo> result(i::ObjectTemplateInfo::cast( |
| 815 | Utils::OpenHandle(this)->instance_template())); |
| 816 | return Utils::ToLocal(result); |
| 817 | } |
| 818 | |
| 819 | |
| 820 | void FunctionTemplate::SetClassName(Handle<String> name) { |
| 821 | if (IsDeadCheck("v8::FunctionTemplate::SetClassName()")) return; |
| 822 | ENTER_V8; |
| 823 | Utils::OpenHandle(this)->set_class_name(*Utils::OpenHandle(*name)); |
| 824 | } |
| 825 | |
| 826 | |
| 827 | void FunctionTemplate::SetHiddenPrototype(bool value) { |
| 828 | if (IsDeadCheck("v8::FunctionTemplate::SetHiddenPrototype()")) return; |
| 829 | ENTER_V8; |
| 830 | Utils::OpenHandle(this)->set_hidden_prototype(value); |
| 831 | } |
| 832 | |
| 833 | |
| 834 | void FunctionTemplate::SetNamedInstancePropertyHandler( |
| 835 | NamedPropertyGetter getter, |
| 836 | NamedPropertySetter setter, |
| 837 | NamedPropertyQuery query, |
| 838 | NamedPropertyDeleter remover, |
| 839 | NamedPropertyEnumerator enumerator, |
| 840 | Handle<Value> data) { |
| 841 | if (IsDeadCheck("v8::FunctionTemplate::SetNamedInstancePropertyHandler()")) { |
| 842 | return; |
| 843 | } |
| 844 | ENTER_V8; |
| 845 | HandleScope scope; |
| 846 | i::Handle<i::Struct> struct_obj = |
| 847 | i::Factory::NewStruct(i::INTERCEPTOR_INFO_TYPE); |
| 848 | i::Handle<i::InterceptorInfo> obj = |
| 849 | i::Handle<i::InterceptorInfo>::cast(struct_obj); |
| 850 | if (getter != 0) obj->set_getter(*FromCData(getter)); |
| 851 | if (setter != 0) obj->set_setter(*FromCData(setter)); |
| 852 | if (query != 0) obj->set_query(*FromCData(query)); |
| 853 | if (remover != 0) obj->set_deleter(*FromCData(remover)); |
| 854 | if (enumerator != 0) obj->set_enumerator(*FromCData(enumerator)); |
| 855 | if (data.IsEmpty()) data = v8::Undefined(); |
| 856 | obj->set_data(*Utils::OpenHandle(*data)); |
| 857 | Utils::OpenHandle(this)->set_named_property_handler(*obj); |
| 858 | } |
| 859 | |
| 860 | |
| 861 | void FunctionTemplate::SetIndexedInstancePropertyHandler( |
| 862 | IndexedPropertyGetter getter, |
| 863 | IndexedPropertySetter setter, |
| 864 | IndexedPropertyQuery query, |
| 865 | IndexedPropertyDeleter remover, |
| 866 | IndexedPropertyEnumerator enumerator, |
| 867 | Handle<Value> data) { |
| 868 | if (IsDeadCheck( |
| 869 | "v8::FunctionTemplate::SetIndexedInstancePropertyHandler()")) { |
| 870 | return; |
| 871 | } |
| 872 | ENTER_V8; |
| 873 | HandleScope scope; |
| 874 | i::Handle<i::Struct> struct_obj = |
| 875 | i::Factory::NewStruct(i::INTERCEPTOR_INFO_TYPE); |
| 876 | i::Handle<i::InterceptorInfo> obj = |
| 877 | i::Handle<i::InterceptorInfo>::cast(struct_obj); |
| 878 | if (getter != 0) obj->set_getter(*FromCData(getter)); |
| 879 | if (setter != 0) obj->set_setter(*FromCData(setter)); |
| 880 | if (query != 0) obj->set_query(*FromCData(query)); |
| 881 | if (remover != 0) obj->set_deleter(*FromCData(remover)); |
| 882 | if (enumerator != 0) obj->set_enumerator(*FromCData(enumerator)); |
| 883 | if (data.IsEmpty()) data = v8::Undefined(); |
| 884 | obj->set_data(*Utils::OpenHandle(*data)); |
| 885 | Utils::OpenHandle(this)->set_indexed_property_handler(*obj); |
| 886 | } |
| 887 | |
| 888 | |
| 889 | void FunctionTemplate::SetInstanceCallAsFunctionHandler( |
| 890 | InvocationCallback callback, |
| 891 | Handle<Value> data) { |
| 892 | if (IsDeadCheck("v8::FunctionTemplate::SetInstanceCallAsFunctionHandler()")) { |
| 893 | return; |
| 894 | } |
| 895 | ENTER_V8; |
| 896 | HandleScope scope; |
| 897 | i::Handle<i::Struct> struct_obj = |
| 898 | i::Factory::NewStruct(i::CALL_HANDLER_INFO_TYPE); |
| 899 | i::Handle<i::CallHandlerInfo> obj = |
| 900 | i::Handle<i::CallHandlerInfo>::cast(struct_obj); |
| 901 | obj->set_callback(*FromCData(callback)); |
| 902 | if (data.IsEmpty()) data = v8::Undefined(); |
| 903 | obj->set_data(*Utils::OpenHandle(*data)); |
| 904 | Utils::OpenHandle(this)->set_instance_call_handler(*obj); |
| 905 | } |
| 906 | |
| 907 | |
| 908 | // --- O b j e c t T e m p l a t e --- |
| 909 | |
| 910 | |
| 911 | Local<ObjectTemplate> ObjectTemplate::New() { |
| 912 | return New(Local<FunctionTemplate>()); |
| 913 | } |
| 914 | |
| 915 | |
| 916 | Local<ObjectTemplate> ObjectTemplate::New( |
| 917 | v8::Handle<FunctionTemplate> constructor) { |
| 918 | if (IsDeadCheck("v8::ObjectTemplate::New()")) return Local<ObjectTemplate>(); |
| 919 | EnsureInitialized("v8::ObjectTemplate::New()"); |
| 920 | LOG_API("ObjectTemplate::New"); |
| 921 | ENTER_V8; |
| 922 | i::Handle<i::Struct> struct_obj = |
| 923 | i::Factory::NewStruct(i::OBJECT_TEMPLATE_INFO_TYPE); |
| 924 | i::Handle<i::ObjectTemplateInfo> obj = |
| 925 | i::Handle<i::ObjectTemplateInfo>::cast(struct_obj); |
| 926 | InitializeTemplate(obj, Consts::OBJECT_TEMPLATE); |
| 927 | if (!constructor.IsEmpty()) |
| 928 | obj->set_constructor(*Utils::OpenHandle(*constructor)); |
| 929 | obj->set_internal_field_count(i::Smi::FromInt(0)); |
| 930 | return Utils::ToLocal(obj); |
| 931 | } |
| 932 | |
| 933 | |
| 934 | // Ensure that the object template has a constructor. If no |
| 935 | // constructor is available we create one. |
| 936 | static void EnsureConstructor(ObjectTemplate* object_template) { |
| 937 | if (Utils::OpenHandle(object_template)->constructor()->IsUndefined()) { |
| 938 | Local<FunctionTemplate> templ = FunctionTemplate::New(); |
| 939 | i::Handle<i::FunctionTemplateInfo> constructor = Utils::OpenHandle(*templ); |
| 940 | constructor->set_instance_template(*Utils::OpenHandle(object_template)); |
| 941 | Utils::OpenHandle(object_template)->set_constructor(*constructor); |
| 942 | } |
| 943 | } |
| 944 | |
| 945 | |
| 946 | void ObjectTemplate::SetAccessor(v8::Handle<String> name, |
| 947 | AccessorGetter getter, |
| 948 | AccessorSetter setter, |
| 949 | v8::Handle<Value> data, |
| 950 | AccessControl settings, |
| 951 | PropertyAttribute attribute) { |
| 952 | if (IsDeadCheck("v8::ObjectTemplate::SetAccessor()")) return; |
| 953 | ENTER_V8; |
| 954 | HandleScope scope; |
| 955 | EnsureConstructor(this); |
| 956 | i::FunctionTemplateInfo* constructor = |
| 957 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 958 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 959 | Utils::ToLocal(cons)->AddInstancePropertyAccessor(name, |
| 960 | getter, |
| 961 | setter, |
| 962 | data, |
| 963 | settings, |
| 964 | attribute); |
| 965 | } |
| 966 | |
| 967 | |
| 968 | void ObjectTemplate::SetNamedPropertyHandler(NamedPropertyGetter getter, |
| 969 | NamedPropertySetter setter, |
| 970 | NamedPropertyQuery query, |
| 971 | NamedPropertyDeleter remover, |
| 972 | NamedPropertyEnumerator enumerator, |
| 973 | Handle<Value> data) { |
| 974 | if (IsDeadCheck("v8::ObjectTemplate::SetNamedPropertyHandler()")) return; |
| 975 | ENTER_V8; |
| 976 | HandleScope scope; |
| 977 | EnsureConstructor(this); |
| 978 | i::FunctionTemplateInfo* constructor = |
| 979 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 980 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 981 | Utils::ToLocal(cons)->SetNamedInstancePropertyHandler(getter, |
| 982 | setter, |
| 983 | query, |
| 984 | remover, |
| 985 | enumerator, |
| 986 | data); |
| 987 | } |
| 988 | |
| 989 | |
| 990 | void ObjectTemplate::MarkAsUndetectable() { |
| 991 | if (IsDeadCheck("v8::ObjectTemplate::MarkAsUndetectable()")) return; |
| 992 | ENTER_V8; |
| 993 | HandleScope scope; |
| 994 | EnsureConstructor(this); |
| 995 | i::FunctionTemplateInfo* constructor = |
| 996 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 997 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 998 | cons->set_undetectable(true); |
| 999 | } |
| 1000 | |
| 1001 | |
| 1002 | void ObjectTemplate::SetAccessCheckCallbacks( |
| 1003 | NamedSecurityCallback named_callback, |
| 1004 | IndexedSecurityCallback indexed_callback, |
| 1005 | Handle<Value> data, |
| 1006 | bool turned_on_by_default) { |
| 1007 | if (IsDeadCheck("v8::ObjectTemplate::SetAccessCheckCallbacks()")) return; |
| 1008 | ENTER_V8; |
| 1009 | HandleScope scope; |
| 1010 | EnsureConstructor(this); |
| 1011 | |
| 1012 | i::Handle<i::Struct> struct_info = |
| 1013 | i::Factory::NewStruct(i::ACCESS_CHECK_INFO_TYPE); |
| 1014 | i::Handle<i::AccessCheckInfo> info = |
| 1015 | i::Handle<i::AccessCheckInfo>::cast(struct_info); |
| 1016 | info->set_named_callback(*FromCData(named_callback)); |
| 1017 | info->set_indexed_callback(*FromCData(indexed_callback)); |
| 1018 | if (data.IsEmpty()) data = v8::Undefined(); |
| 1019 | info->set_data(*Utils::OpenHandle(*data)); |
| 1020 | |
| 1021 | i::FunctionTemplateInfo* constructor = |
| 1022 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 1023 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 1024 | cons->set_access_check_info(*info); |
| 1025 | cons->set_needs_access_check(turned_on_by_default); |
| 1026 | } |
| 1027 | |
| 1028 | |
| 1029 | void ObjectTemplate::SetIndexedPropertyHandler( |
| 1030 | IndexedPropertyGetter getter, |
| 1031 | IndexedPropertySetter setter, |
| 1032 | IndexedPropertyQuery query, |
| 1033 | IndexedPropertyDeleter remover, |
| 1034 | IndexedPropertyEnumerator enumerator, |
| 1035 | Handle<Value> data) { |
| 1036 | if (IsDeadCheck("v8::ObjectTemplate::SetIndexedPropertyHandler()")) return; |
| 1037 | ENTER_V8; |
| 1038 | HandleScope scope; |
| 1039 | EnsureConstructor(this); |
| 1040 | i::FunctionTemplateInfo* constructor = |
| 1041 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 1042 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 1043 | Utils::ToLocal(cons)->SetIndexedInstancePropertyHandler(getter, |
| 1044 | setter, |
| 1045 | query, |
| 1046 | remover, |
| 1047 | enumerator, |
| 1048 | data); |
| 1049 | } |
| 1050 | |
| 1051 | |
| 1052 | void ObjectTemplate::SetCallAsFunctionHandler(InvocationCallback callback, |
| 1053 | Handle<Value> data) { |
| 1054 | if (IsDeadCheck("v8::ObjectTemplate::SetCallAsFunctionHandler()")) return; |
| 1055 | ENTER_V8; |
| 1056 | HandleScope scope; |
| 1057 | EnsureConstructor(this); |
| 1058 | i::FunctionTemplateInfo* constructor = |
| 1059 | i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); |
| 1060 | i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| 1061 | Utils::ToLocal(cons)->SetInstanceCallAsFunctionHandler(callback, data); |
| 1062 | } |
| 1063 | |
| 1064 | |
| 1065 | int ObjectTemplate::InternalFieldCount() { |
| 1066 | if (IsDeadCheck("v8::ObjectTemplate::InternalFieldCount()")) { |
| 1067 | return 0; |
| 1068 | } |
| 1069 | return i::Smi::cast(Utils::OpenHandle(this)->internal_field_count())->value(); |
| 1070 | } |
| 1071 | |
| 1072 | |
| 1073 | void ObjectTemplate::SetInternalFieldCount(int value) { |
| 1074 | if (IsDeadCheck("v8::ObjectTemplate::SetInternalFieldCount()")) return; |
| 1075 | if (!ApiCheck(i::Smi::IsValid(value), |
| 1076 | "v8::ObjectTemplate::SetInternalFieldCount()", |
| 1077 | "Invalid internal field count")) { |
| 1078 | return; |
| 1079 | } |
| 1080 | ENTER_V8; |
| 1081 | if (value > 0) { |
| 1082 | // The internal field count is set by the constructor function's |
| 1083 | // construct code, so we ensure that there is a constructor |
| 1084 | // function to do the setting. |
| 1085 | EnsureConstructor(this); |
| 1086 | } |
| 1087 | Utils::OpenHandle(this)->set_internal_field_count(i::Smi::FromInt(value)); |
| 1088 | } |
| 1089 | |
| 1090 | |
| 1091 | // --- S c r i p t D a t a --- |
| 1092 | |
| 1093 | |
| 1094 | ScriptData* ScriptData::PreCompile(const char* input, int length) { |
| 1095 | unibrow::Utf8InputBuffer<> buf(input, length); |
| 1096 | return i::PreParse(i::Handle<i::String>(), &buf, NULL); |
| 1097 | } |
| 1098 | |
| 1099 | |
| 1100 | ScriptData* ScriptData::New(unsigned* data, int length) { |
| 1101 | return new i::ScriptDataImpl(i::Vector<unsigned>(data, length)); |
| 1102 | } |
| 1103 | |
| 1104 | |
| 1105 | // --- S c r i p t --- |
| 1106 | |
| 1107 | |
| 1108 | Local<Script> Script::New(v8::Handle<String> source, |
| 1109 | v8::ScriptOrigin* origin, |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1110 | v8::ScriptData* pre_data, |
| 1111 | v8::Handle<String> script_data) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1112 | ON_BAILOUT("v8::Script::New()", return Local<Script>()); |
| 1113 | LOG_API("Script::New"); |
| 1114 | ENTER_V8; |
| 1115 | i::Handle<i::String> str = Utils::OpenHandle(*source); |
| 1116 | i::Handle<i::Object> name_obj; |
| 1117 | int line_offset = 0; |
| 1118 | int column_offset = 0; |
| 1119 | if (origin != NULL) { |
| 1120 | if (!origin->ResourceName().IsEmpty()) { |
| 1121 | name_obj = Utils::OpenHandle(*origin->ResourceName()); |
| 1122 | } |
| 1123 | if (!origin->ResourceLineOffset().IsEmpty()) { |
| 1124 | line_offset = static_cast<int>(origin->ResourceLineOffset()->Value()); |
| 1125 | } |
| 1126 | if (!origin->ResourceColumnOffset().IsEmpty()) { |
| 1127 | column_offset = static_cast<int>(origin->ResourceColumnOffset()->Value()); |
| 1128 | } |
| 1129 | } |
| 1130 | EXCEPTION_PREAMBLE(); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1131 | i::ScriptDataImpl* pre_data_impl = static_cast<i::ScriptDataImpl*>(pre_data); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1132 | // We assert that the pre-data is sane, even though we can actually |
| 1133 | // handle it if it turns out not to be in release mode. |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1134 | ASSERT(pre_data_impl == NULL || pre_data_impl->SanityCheck()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1135 | // If the pre-data isn't sane we simply ignore it |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1136 | if (pre_data_impl != NULL && !pre_data_impl->SanityCheck()) { |
| 1137 | pre_data_impl = NULL; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1138 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1139 | i::Handle<i::JSFunction> boilerplate = |
| 1140 | i::Compiler::Compile(str, |
| 1141 | name_obj, |
| 1142 | line_offset, |
| 1143 | column_offset, |
| 1144 | NULL, |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1145 | pre_data_impl, |
| 1146 | Utils::OpenHandle(*script_data), |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1147 | i::NOT_NATIVES_CODE); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1148 | has_pending_exception = boilerplate.is_null(); |
| 1149 | EXCEPTION_BAILOUT_CHECK(Local<Script>()); |
| 1150 | return Local<Script>(ToApi<Script>(boilerplate)); |
| 1151 | } |
| 1152 | |
| 1153 | |
| 1154 | Local<Script> Script::New(v8::Handle<String> source, |
| 1155 | v8::Handle<Value> file_name) { |
| 1156 | ScriptOrigin origin(file_name); |
| 1157 | return New(source, &origin); |
| 1158 | } |
| 1159 | |
| 1160 | |
| 1161 | Local<Script> Script::Compile(v8::Handle<String> source, |
| 1162 | v8::ScriptOrigin* origin, |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1163 | v8::ScriptData* pre_data, |
| 1164 | v8::Handle<String> script_data) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1165 | ON_BAILOUT("v8::Script::Compile()", return Local<Script>()); |
| 1166 | LOG_API("Script::Compile"); |
| 1167 | ENTER_V8; |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1168 | Local<Script> generic = New(source, origin, pre_data, script_data); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1169 | if (generic.IsEmpty()) |
| 1170 | return generic; |
| 1171 | i::Handle<i::JSFunction> boilerplate = Utils::OpenHandle(*generic); |
| 1172 | i::Handle<i::JSFunction> result = |
| 1173 | i::Factory::NewFunctionFromBoilerplate(boilerplate, |
| 1174 | i::Top::global_context()); |
| 1175 | return Local<Script>(ToApi<Script>(result)); |
| 1176 | } |
| 1177 | |
| 1178 | |
| 1179 | Local<Script> Script::Compile(v8::Handle<String> source, |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1180 | v8::Handle<Value> file_name, |
| 1181 | v8::Handle<String> script_data) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1182 | ScriptOrigin origin(file_name); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1183 | return Compile(source, &origin, 0, script_data); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1184 | } |
| 1185 | |
| 1186 | |
| 1187 | Local<Value> Script::Run() { |
| 1188 | ON_BAILOUT("v8::Script::Run()", return Local<Value>()); |
| 1189 | LOG_API("Script::Run"); |
| 1190 | ENTER_V8; |
| 1191 | i::Object* raw_result = NULL; |
| 1192 | { |
| 1193 | HandleScope scope; |
| 1194 | i::Handle<i::JSFunction> fun = Utils::OpenHandle(this); |
| 1195 | if (fun->IsBoilerplate()) { |
| 1196 | fun = i::Factory::NewFunctionFromBoilerplate(fun, |
| 1197 | i::Top::global_context()); |
| 1198 | } |
| 1199 | EXCEPTION_PREAMBLE(); |
| 1200 | i::Handle<i::Object> receiver(i::Top::context()->global_proxy()); |
| 1201 | i::Handle<i::Object> result = |
| 1202 | i::Execution::Call(fun, receiver, 0, NULL, &has_pending_exception); |
| 1203 | EXCEPTION_BAILOUT_CHECK(Local<Value>()); |
| 1204 | raw_result = *result; |
| 1205 | } |
| 1206 | i::Handle<i::Object> result(raw_result); |
| 1207 | return Utils::ToLocal(result); |
| 1208 | } |
| 1209 | |
| 1210 | |
| 1211 | Local<Value> Script::Id() { |
| 1212 | ON_BAILOUT("v8::Script::Id()", return Local<Value>()); |
| 1213 | LOG_API("Script::Id"); |
| 1214 | i::Object* raw_id = NULL; |
| 1215 | { |
| 1216 | HandleScope scope; |
| 1217 | i::Handle<i::JSFunction> fun = Utils::OpenHandle(this); |
| 1218 | i::Handle<i::Script> script(i::Script::cast(fun->shared()->script())); |
| 1219 | i::Handle<i::Object> id(script->id()); |
| 1220 | raw_id = *id; |
| 1221 | } |
| 1222 | i::Handle<i::Object> id(raw_id); |
| 1223 | return Utils::ToLocal(id); |
| 1224 | } |
| 1225 | |
| 1226 | |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 1227 | void Script::SetData(v8::Handle<String> data) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1228 | ON_BAILOUT("v8::Script::SetData()", return); |
| 1229 | LOG_API("Script::SetData"); |
| 1230 | { |
| 1231 | HandleScope scope; |
| 1232 | i::Handle<i::JSFunction> fun = Utils::OpenHandle(this); |
| 1233 | i::Handle<i::Object> raw_data = Utils::OpenHandle(*data); |
| 1234 | i::Handle<i::Script> script(i::Script::cast(fun->shared()->script())); |
| 1235 | script->set_data(*raw_data); |
| 1236 | } |
| 1237 | } |
| 1238 | |
| 1239 | |
| 1240 | // --- E x c e p t i o n s --- |
| 1241 | |
| 1242 | |
| 1243 | v8::TryCatch::TryCatch() |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 1244 | : next_(i::Top::try_catch_handler_address()), |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1245 | exception_(i::Heap::the_hole_value()), |
| 1246 | message_(i::Smi::FromInt(0)), |
| 1247 | is_verbose_(false), |
| 1248 | can_continue_(true), |
| 1249 | capture_message_(true), |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 1250 | rethrow_(false) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1251 | i::Top::RegisterTryCatchHandler(this); |
| 1252 | } |
| 1253 | |
| 1254 | |
| 1255 | v8::TryCatch::~TryCatch() { |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 1256 | if (rethrow_) { |
| 1257 | v8::HandleScope scope; |
| 1258 | v8::Local<v8::Value> exc = v8::Local<v8::Value>::New(Exception()); |
| 1259 | i::Top::UnregisterTryCatchHandler(this); |
| 1260 | v8::ThrowException(exc); |
| 1261 | } else { |
| 1262 | i::Top::UnregisterTryCatchHandler(this); |
| 1263 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1264 | } |
| 1265 | |
| 1266 | |
| 1267 | bool v8::TryCatch::HasCaught() const { |
| 1268 | return !reinterpret_cast<i::Object*>(exception_)->IsTheHole(); |
| 1269 | } |
| 1270 | |
| 1271 | |
| 1272 | bool v8::TryCatch::CanContinue() const { |
| 1273 | return can_continue_; |
| 1274 | } |
| 1275 | |
| 1276 | |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 1277 | v8::Handle<v8::Value> v8::TryCatch::ReThrow() { |
| 1278 | if (!HasCaught()) return v8::Local<v8::Value>(); |
| 1279 | rethrow_ = true; |
| 1280 | return v8::Undefined(); |
| 1281 | } |
| 1282 | |
| 1283 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1284 | v8::Local<Value> v8::TryCatch::Exception() const { |
| 1285 | if (HasCaught()) { |
| 1286 | // Check for out of memory exception. |
| 1287 | i::Object* exception = reinterpret_cast<i::Object*>(exception_); |
| 1288 | return v8::Utils::ToLocal(i::Handle<i::Object>(exception)); |
| 1289 | } else { |
| 1290 | return v8::Local<Value>(); |
| 1291 | } |
| 1292 | } |
| 1293 | |
| 1294 | |
| 1295 | v8::Local<Value> v8::TryCatch::StackTrace() const { |
| 1296 | if (HasCaught()) { |
| 1297 | i::Object* raw_obj = reinterpret_cast<i::Object*>(exception_); |
| 1298 | if (!raw_obj->IsJSObject()) return v8::Local<Value>(); |
| 1299 | v8::HandleScope scope; |
| 1300 | i::Handle<i::JSObject> obj(i::JSObject::cast(raw_obj)); |
| 1301 | i::Handle<i::String> name = i::Factory::LookupAsciiSymbol("stack"); |
| 1302 | if (!obj->HasProperty(*name)) |
| 1303 | return v8::Local<Value>(); |
| 1304 | return scope.Close(v8::Utils::ToLocal(i::GetProperty(obj, name))); |
| 1305 | } else { |
| 1306 | return v8::Local<Value>(); |
| 1307 | } |
| 1308 | } |
| 1309 | |
| 1310 | |
| 1311 | v8::Local<v8::Message> v8::TryCatch::Message() const { |
| 1312 | if (HasCaught() && message_ != i::Smi::FromInt(0)) { |
| 1313 | i::Object* message = reinterpret_cast<i::Object*>(message_); |
| 1314 | return v8::Utils::MessageToLocal(i::Handle<i::Object>(message)); |
| 1315 | } else { |
| 1316 | return v8::Local<v8::Message>(); |
| 1317 | } |
| 1318 | } |
| 1319 | |
| 1320 | |
| 1321 | void v8::TryCatch::Reset() { |
| 1322 | exception_ = i::Heap::the_hole_value(); |
| 1323 | message_ = i::Smi::FromInt(0); |
| 1324 | } |
| 1325 | |
| 1326 | |
| 1327 | void v8::TryCatch::SetVerbose(bool value) { |
| 1328 | is_verbose_ = value; |
| 1329 | } |
| 1330 | |
| 1331 | |
| 1332 | void v8::TryCatch::SetCaptureMessage(bool value) { |
| 1333 | capture_message_ = value; |
| 1334 | } |
| 1335 | |
| 1336 | |
| 1337 | // --- M e s s a g e --- |
| 1338 | |
| 1339 | |
| 1340 | Local<String> Message::Get() const { |
| 1341 | ON_BAILOUT("v8::Message::Get()", return Local<String>()); |
| 1342 | ENTER_V8; |
| 1343 | HandleScope scope; |
| 1344 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1345 | i::Handle<i::String> raw_result = i::MessageHandler::GetMessage(obj); |
| 1346 | Local<String> result = Utils::ToLocal(raw_result); |
| 1347 | return scope.Close(result); |
| 1348 | } |
| 1349 | |
| 1350 | |
| 1351 | v8::Handle<Value> Message::GetScriptResourceName() const { |
| 1352 | if (IsDeadCheck("v8::Message::GetScriptResourceName()")) { |
| 1353 | return Local<String>(); |
| 1354 | } |
| 1355 | ENTER_V8; |
| 1356 | HandleScope scope; |
| 1357 | i::Handle<i::JSObject> obj = |
| 1358 | i::Handle<i::JSObject>::cast(Utils::OpenHandle(this)); |
| 1359 | // Return this.script.name. |
| 1360 | i::Handle<i::JSValue> script = |
| 1361 | i::Handle<i::JSValue>::cast(GetProperty(obj, "script")); |
| 1362 | i::Handle<i::Object> resource_name(i::Script::cast(script->value())->name()); |
| 1363 | return scope.Close(Utils::ToLocal(resource_name)); |
| 1364 | } |
| 1365 | |
| 1366 | |
| 1367 | v8::Handle<Value> Message::GetScriptData() const { |
| 1368 | if (IsDeadCheck("v8::Message::GetScriptResourceData()")) { |
| 1369 | return Local<Value>(); |
| 1370 | } |
| 1371 | ENTER_V8; |
| 1372 | HandleScope scope; |
| 1373 | i::Handle<i::JSObject> obj = |
| 1374 | i::Handle<i::JSObject>::cast(Utils::OpenHandle(this)); |
| 1375 | // Return this.script.data. |
| 1376 | i::Handle<i::JSValue> script = |
| 1377 | i::Handle<i::JSValue>::cast(GetProperty(obj, "script")); |
| 1378 | i::Handle<i::Object> data(i::Script::cast(script->value())->data()); |
| 1379 | return scope.Close(Utils::ToLocal(data)); |
| 1380 | } |
| 1381 | |
| 1382 | |
| 1383 | static i::Handle<i::Object> CallV8HeapFunction(const char* name, |
| 1384 | i::Handle<i::Object> recv, |
| 1385 | int argc, |
| 1386 | i::Object** argv[], |
| 1387 | bool* has_pending_exception) { |
| 1388 | i::Handle<i::String> fmt_str = i::Factory::LookupAsciiSymbol(name); |
| 1389 | i::Object* object_fun = i::Top::builtins()->GetProperty(*fmt_str); |
| 1390 | i::Handle<i::JSFunction> fun = |
| 1391 | i::Handle<i::JSFunction>(i::JSFunction::cast(object_fun)); |
| 1392 | i::Handle<i::Object> value = |
| 1393 | i::Execution::Call(fun, recv, argc, argv, has_pending_exception); |
| 1394 | return value; |
| 1395 | } |
| 1396 | |
| 1397 | |
| 1398 | static i::Handle<i::Object> CallV8HeapFunction(const char* name, |
| 1399 | i::Handle<i::Object> data, |
| 1400 | bool* has_pending_exception) { |
| 1401 | i::Object** argv[1] = { data.location() }; |
| 1402 | return CallV8HeapFunction(name, |
| 1403 | i::Top::builtins(), |
| 1404 | 1, |
| 1405 | argv, |
| 1406 | has_pending_exception); |
| 1407 | } |
| 1408 | |
| 1409 | |
| 1410 | int Message::GetLineNumber() const { |
| 1411 | ON_BAILOUT("v8::Message::GetLineNumber()", return -1); |
| 1412 | ENTER_V8; |
| 1413 | HandleScope scope; |
| 1414 | EXCEPTION_PREAMBLE(); |
| 1415 | i::Handle<i::Object> result = CallV8HeapFunction("GetLineNumber", |
| 1416 | Utils::OpenHandle(this), |
| 1417 | &has_pending_exception); |
| 1418 | EXCEPTION_BAILOUT_CHECK(0); |
| 1419 | return static_cast<int>(result->Number()); |
| 1420 | } |
| 1421 | |
| 1422 | |
| 1423 | int Message::GetStartPosition() const { |
| 1424 | if (IsDeadCheck("v8::Message::GetStartPosition()")) return 0; |
| 1425 | ENTER_V8; |
| 1426 | HandleScope scope; |
| 1427 | |
| 1428 | i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| 1429 | return static_cast<int>(GetProperty(data_obj, "startPos")->Number()); |
| 1430 | } |
| 1431 | |
| 1432 | |
| 1433 | int Message::GetEndPosition() const { |
| 1434 | if (IsDeadCheck("v8::Message::GetEndPosition()")) return 0; |
| 1435 | ENTER_V8; |
| 1436 | HandleScope scope; |
| 1437 | i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| 1438 | return static_cast<int>(GetProperty(data_obj, "endPos")->Number()); |
| 1439 | } |
| 1440 | |
| 1441 | |
| 1442 | int Message::GetStartColumn() const { |
| 1443 | if (IsDeadCheck("v8::Message::GetStartColumn()")) return 0; |
| 1444 | ENTER_V8; |
| 1445 | HandleScope scope; |
| 1446 | i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| 1447 | EXCEPTION_PREAMBLE(); |
| 1448 | i::Handle<i::Object> start_col_obj = CallV8HeapFunction( |
| 1449 | "GetPositionInLine", |
| 1450 | data_obj, |
| 1451 | &has_pending_exception); |
| 1452 | EXCEPTION_BAILOUT_CHECK(0); |
| 1453 | return static_cast<int>(start_col_obj->Number()); |
| 1454 | } |
| 1455 | |
| 1456 | |
| 1457 | int Message::GetEndColumn() const { |
| 1458 | if (IsDeadCheck("v8::Message::GetEndColumn()")) return 0; |
| 1459 | ENTER_V8; |
| 1460 | HandleScope scope; |
| 1461 | i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| 1462 | EXCEPTION_PREAMBLE(); |
| 1463 | i::Handle<i::Object> start_col_obj = CallV8HeapFunction( |
| 1464 | "GetPositionInLine", |
| 1465 | data_obj, |
| 1466 | &has_pending_exception); |
| 1467 | EXCEPTION_BAILOUT_CHECK(0); |
| 1468 | int start = static_cast<int>(GetProperty(data_obj, "startPos")->Number()); |
| 1469 | int end = static_cast<int>(GetProperty(data_obj, "endPos")->Number()); |
| 1470 | return static_cast<int>(start_col_obj->Number()) + (end - start); |
| 1471 | } |
| 1472 | |
| 1473 | |
| 1474 | Local<String> Message::GetSourceLine() const { |
| 1475 | ON_BAILOUT("v8::Message::GetSourceLine()", return Local<String>()); |
| 1476 | ENTER_V8; |
| 1477 | HandleScope scope; |
| 1478 | EXCEPTION_PREAMBLE(); |
| 1479 | i::Handle<i::Object> result = CallV8HeapFunction("GetSourceLine", |
| 1480 | Utils::OpenHandle(this), |
| 1481 | &has_pending_exception); |
| 1482 | EXCEPTION_BAILOUT_CHECK(Local<v8::String>()); |
| 1483 | if (result->IsString()) { |
| 1484 | return scope.Close(Utils::ToLocal(i::Handle<i::String>::cast(result))); |
| 1485 | } else { |
| 1486 | return Local<String>(); |
| 1487 | } |
| 1488 | } |
| 1489 | |
| 1490 | |
| 1491 | void Message::PrintCurrentStackTrace(FILE* out) { |
| 1492 | if (IsDeadCheck("v8::Message::PrintCurrentStackTrace()")) return; |
| 1493 | ENTER_V8; |
| 1494 | i::Top::PrintCurrentStackTrace(out); |
| 1495 | } |
| 1496 | |
| 1497 | |
| 1498 | // --- D a t a --- |
| 1499 | |
| 1500 | bool Value::IsUndefined() const { |
| 1501 | if (IsDeadCheck("v8::Value::IsUndefined()")) return false; |
| 1502 | return Utils::OpenHandle(this)->IsUndefined(); |
| 1503 | } |
| 1504 | |
| 1505 | |
| 1506 | bool Value::IsNull() const { |
| 1507 | if (IsDeadCheck("v8::Value::IsNull()")) return false; |
| 1508 | return Utils::OpenHandle(this)->IsNull(); |
| 1509 | } |
| 1510 | |
| 1511 | |
| 1512 | bool Value::IsTrue() const { |
| 1513 | if (IsDeadCheck("v8::Value::IsTrue()")) return false; |
| 1514 | return Utils::OpenHandle(this)->IsTrue(); |
| 1515 | } |
| 1516 | |
| 1517 | |
| 1518 | bool Value::IsFalse() const { |
| 1519 | if (IsDeadCheck("v8::Value::IsFalse()")) return false; |
| 1520 | return Utils::OpenHandle(this)->IsFalse(); |
| 1521 | } |
| 1522 | |
| 1523 | |
| 1524 | bool Value::IsFunction() const { |
| 1525 | if (IsDeadCheck("v8::Value::IsFunction()")) return false; |
| 1526 | return Utils::OpenHandle(this)->IsJSFunction(); |
| 1527 | } |
| 1528 | |
| 1529 | |
| 1530 | bool Value::FullIsString() const { |
| 1531 | if (IsDeadCheck("v8::Value::IsString()")) return false; |
| 1532 | bool result = Utils::OpenHandle(this)->IsString(); |
| 1533 | ASSERT_EQ(result, QuickIsString()); |
| 1534 | return result; |
| 1535 | } |
| 1536 | |
| 1537 | |
| 1538 | bool Value::IsArray() const { |
| 1539 | if (IsDeadCheck("v8::Value::IsArray()")) return false; |
| 1540 | return Utils::OpenHandle(this)->IsJSArray(); |
| 1541 | } |
| 1542 | |
| 1543 | |
| 1544 | bool Value::IsObject() const { |
| 1545 | if (IsDeadCheck("v8::Value::IsObject()")) return false; |
| 1546 | return Utils::OpenHandle(this)->IsJSObject(); |
| 1547 | } |
| 1548 | |
| 1549 | |
| 1550 | bool Value::IsNumber() const { |
| 1551 | if (IsDeadCheck("v8::Value::IsNumber()")) return false; |
| 1552 | return Utils::OpenHandle(this)->IsNumber(); |
| 1553 | } |
| 1554 | |
| 1555 | |
| 1556 | bool Value::IsBoolean() const { |
| 1557 | if (IsDeadCheck("v8::Value::IsBoolean()")) return false; |
| 1558 | return Utils::OpenHandle(this)->IsBoolean(); |
| 1559 | } |
| 1560 | |
| 1561 | |
| 1562 | bool Value::IsExternal() const { |
| 1563 | if (IsDeadCheck("v8::Value::IsExternal()")) return false; |
| 1564 | return Utils::OpenHandle(this)->IsProxy(); |
| 1565 | } |
| 1566 | |
| 1567 | |
| 1568 | bool Value::IsInt32() const { |
| 1569 | if (IsDeadCheck("v8::Value::IsInt32()")) return false; |
| 1570 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1571 | if (obj->IsSmi()) return true; |
| 1572 | if (obj->IsNumber()) { |
| 1573 | double value = obj->Number(); |
| 1574 | return i::FastI2D(i::FastD2I(value)) == value; |
| 1575 | } |
| 1576 | return false; |
| 1577 | } |
| 1578 | |
| 1579 | |
| 1580 | bool Value::IsDate() const { |
| 1581 | if (IsDeadCheck("v8::Value::IsDate()")) return false; |
| 1582 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1583 | return obj->HasSpecificClassOf(i::Heap::Date_symbol()); |
| 1584 | } |
| 1585 | |
| 1586 | |
| 1587 | Local<String> Value::ToString() const { |
| 1588 | if (IsDeadCheck("v8::Value::ToString()")) return Local<String>(); |
| 1589 | LOG_API("ToString"); |
| 1590 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1591 | i::Handle<i::Object> str; |
| 1592 | if (obj->IsString()) { |
| 1593 | str = obj; |
| 1594 | } else { |
| 1595 | ENTER_V8; |
| 1596 | EXCEPTION_PREAMBLE(); |
| 1597 | str = i::Execution::ToString(obj, &has_pending_exception); |
| 1598 | EXCEPTION_BAILOUT_CHECK(Local<String>()); |
| 1599 | } |
| 1600 | return Local<String>(ToApi<String>(str)); |
| 1601 | } |
| 1602 | |
| 1603 | |
| 1604 | Local<String> Value::ToDetailString() const { |
| 1605 | if (IsDeadCheck("v8::Value::ToDetailString()")) return Local<String>(); |
| 1606 | LOG_API("ToDetailString"); |
| 1607 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1608 | i::Handle<i::Object> str; |
| 1609 | if (obj->IsString()) { |
| 1610 | str = obj; |
| 1611 | } else { |
| 1612 | ENTER_V8; |
| 1613 | EXCEPTION_PREAMBLE(); |
| 1614 | str = i::Execution::ToDetailString(obj, &has_pending_exception); |
| 1615 | EXCEPTION_BAILOUT_CHECK(Local<String>()); |
| 1616 | } |
| 1617 | return Local<String>(ToApi<String>(str)); |
| 1618 | } |
| 1619 | |
| 1620 | |
| 1621 | Local<v8::Object> Value::ToObject() const { |
| 1622 | if (IsDeadCheck("v8::Value::ToObject()")) return Local<v8::Object>(); |
| 1623 | LOG_API("ToObject"); |
| 1624 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1625 | i::Handle<i::Object> val; |
| 1626 | if (obj->IsJSObject()) { |
| 1627 | val = obj; |
| 1628 | } else { |
| 1629 | ENTER_V8; |
| 1630 | EXCEPTION_PREAMBLE(); |
| 1631 | val = i::Execution::ToObject(obj, &has_pending_exception); |
| 1632 | EXCEPTION_BAILOUT_CHECK(Local<v8::Object>()); |
| 1633 | } |
| 1634 | return Local<v8::Object>(ToApi<Object>(val)); |
| 1635 | } |
| 1636 | |
| 1637 | |
| 1638 | Local<Boolean> Value::ToBoolean() const { |
| 1639 | if (IsDeadCheck("v8::Value::ToBoolean()")) return Local<Boolean>(); |
| 1640 | LOG_API("ToBoolean"); |
| 1641 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1642 | if (obj->IsBoolean()) { |
| 1643 | return Local<Boolean>(ToApi<Boolean>(obj)); |
| 1644 | } else { |
| 1645 | ENTER_V8; |
| 1646 | i::Handle<i::Object> val = i::Execution::ToBoolean(obj); |
| 1647 | return Local<Boolean>(ToApi<Boolean>(val)); |
| 1648 | } |
| 1649 | } |
| 1650 | |
| 1651 | |
| 1652 | Local<Number> Value::ToNumber() const { |
| 1653 | if (IsDeadCheck("v8::Value::ToNumber()")) return Local<Number>(); |
| 1654 | LOG_API("ToNumber"); |
| 1655 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1656 | i::Handle<i::Object> num; |
| 1657 | if (obj->IsNumber()) { |
| 1658 | num = obj; |
| 1659 | } else { |
| 1660 | ENTER_V8; |
| 1661 | EXCEPTION_PREAMBLE(); |
| 1662 | num = i::Execution::ToNumber(obj, &has_pending_exception); |
| 1663 | EXCEPTION_BAILOUT_CHECK(Local<Number>()); |
| 1664 | } |
| 1665 | return Local<Number>(ToApi<Number>(num)); |
| 1666 | } |
| 1667 | |
| 1668 | |
| 1669 | Local<Integer> Value::ToInteger() const { |
| 1670 | if (IsDeadCheck("v8::Value::ToInteger()")) return Local<Integer>(); |
| 1671 | LOG_API("ToInteger"); |
| 1672 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1673 | i::Handle<i::Object> num; |
| 1674 | if (obj->IsSmi()) { |
| 1675 | num = obj; |
| 1676 | } else { |
| 1677 | ENTER_V8; |
| 1678 | EXCEPTION_PREAMBLE(); |
| 1679 | num = i::Execution::ToInteger(obj, &has_pending_exception); |
| 1680 | EXCEPTION_BAILOUT_CHECK(Local<Integer>()); |
| 1681 | } |
| 1682 | return Local<Integer>(ToApi<Integer>(num)); |
| 1683 | } |
| 1684 | |
| 1685 | |
| 1686 | void External::CheckCast(v8::Value* that) { |
| 1687 | if (IsDeadCheck("v8::External::Cast()")) return; |
| 1688 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1689 | ApiCheck(obj->IsProxy(), |
| 1690 | "v8::External::Cast()", |
| 1691 | "Could not convert to external"); |
| 1692 | } |
| 1693 | |
| 1694 | |
| 1695 | void v8::Object::CheckCast(Value* that) { |
| 1696 | if (IsDeadCheck("v8::Object::Cast()")) return; |
| 1697 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1698 | ApiCheck(obj->IsJSObject(), |
| 1699 | "v8::Object::Cast()", |
| 1700 | "Could not convert to object"); |
| 1701 | } |
| 1702 | |
| 1703 | |
| 1704 | void v8::Function::CheckCast(Value* that) { |
| 1705 | if (IsDeadCheck("v8::Function::Cast()")) return; |
| 1706 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1707 | ApiCheck(obj->IsJSFunction(), |
| 1708 | "v8::Function::Cast()", |
| 1709 | "Could not convert to function"); |
| 1710 | } |
| 1711 | |
| 1712 | |
| 1713 | void v8::String::CheckCast(v8::Value* that) { |
| 1714 | if (IsDeadCheck("v8::String::Cast()")) return; |
| 1715 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1716 | ApiCheck(obj->IsString(), |
| 1717 | "v8::String::Cast()", |
| 1718 | "Could not convert to string"); |
| 1719 | } |
| 1720 | |
| 1721 | |
| 1722 | void v8::Number::CheckCast(v8::Value* that) { |
| 1723 | if (IsDeadCheck("v8::Number::Cast()")) return; |
| 1724 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1725 | ApiCheck(obj->IsNumber(), |
| 1726 | "v8::Number::Cast()", |
| 1727 | "Could not convert to number"); |
| 1728 | } |
| 1729 | |
| 1730 | |
| 1731 | void v8::Integer::CheckCast(v8::Value* that) { |
| 1732 | if (IsDeadCheck("v8::Integer::Cast()")) return; |
| 1733 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1734 | ApiCheck(obj->IsNumber(), |
| 1735 | "v8::Integer::Cast()", |
| 1736 | "Could not convert to number"); |
| 1737 | } |
| 1738 | |
| 1739 | |
| 1740 | void v8::Array::CheckCast(Value* that) { |
| 1741 | if (IsDeadCheck("v8::Array::Cast()")) return; |
| 1742 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1743 | ApiCheck(obj->IsJSArray(), |
| 1744 | "v8::Array::Cast()", |
| 1745 | "Could not convert to array"); |
| 1746 | } |
| 1747 | |
| 1748 | |
| 1749 | void v8::Date::CheckCast(v8::Value* that) { |
| 1750 | if (IsDeadCheck("v8::Date::Cast()")) return; |
| 1751 | i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| 1752 | ApiCheck(obj->HasSpecificClassOf(i::Heap::Date_symbol()), |
| 1753 | "v8::Date::Cast()", |
| 1754 | "Could not convert to date"); |
| 1755 | } |
| 1756 | |
| 1757 | |
| 1758 | bool Value::BooleanValue() const { |
| 1759 | if (IsDeadCheck("v8::Value::BooleanValue()")) return false; |
| 1760 | LOG_API("BooleanValue"); |
| 1761 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1762 | if (obj->IsBoolean()) { |
| 1763 | return obj->IsTrue(); |
| 1764 | } else { |
| 1765 | ENTER_V8; |
| 1766 | i::Handle<i::Object> value = i::Execution::ToBoolean(obj); |
| 1767 | return value->IsTrue(); |
| 1768 | } |
| 1769 | } |
| 1770 | |
| 1771 | |
| 1772 | double Value::NumberValue() const { |
| 1773 | if (IsDeadCheck("v8::Value::NumberValue()")) return i::OS::nan_value(); |
| 1774 | LOG_API("NumberValue"); |
| 1775 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1776 | i::Handle<i::Object> num; |
| 1777 | if (obj->IsNumber()) { |
| 1778 | num = obj; |
| 1779 | } else { |
| 1780 | ENTER_V8; |
| 1781 | EXCEPTION_PREAMBLE(); |
| 1782 | num = i::Execution::ToNumber(obj, &has_pending_exception); |
| 1783 | EXCEPTION_BAILOUT_CHECK(i::OS::nan_value()); |
| 1784 | } |
| 1785 | return num->Number(); |
| 1786 | } |
| 1787 | |
| 1788 | |
| 1789 | int64_t Value::IntegerValue() const { |
| 1790 | if (IsDeadCheck("v8::Value::IntegerValue()")) return 0; |
| 1791 | LOG_API("IntegerValue"); |
| 1792 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1793 | i::Handle<i::Object> num; |
| 1794 | if (obj->IsNumber()) { |
| 1795 | num = obj; |
| 1796 | } else { |
| 1797 | ENTER_V8; |
| 1798 | EXCEPTION_PREAMBLE(); |
| 1799 | num = i::Execution::ToInteger(obj, &has_pending_exception); |
| 1800 | EXCEPTION_BAILOUT_CHECK(0); |
| 1801 | } |
| 1802 | if (num->IsSmi()) { |
| 1803 | return i::Smi::cast(*num)->value(); |
| 1804 | } else { |
| 1805 | return static_cast<int64_t>(num->Number()); |
| 1806 | } |
| 1807 | } |
| 1808 | |
| 1809 | |
| 1810 | Local<Int32> Value::ToInt32() const { |
| 1811 | if (IsDeadCheck("v8::Value::ToInt32()")) return Local<Int32>(); |
| 1812 | LOG_API("ToInt32"); |
| 1813 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1814 | i::Handle<i::Object> num; |
| 1815 | if (obj->IsSmi()) { |
| 1816 | num = obj; |
| 1817 | } else { |
| 1818 | ENTER_V8; |
| 1819 | EXCEPTION_PREAMBLE(); |
| 1820 | num = i::Execution::ToInt32(obj, &has_pending_exception); |
| 1821 | EXCEPTION_BAILOUT_CHECK(Local<Int32>()); |
| 1822 | } |
| 1823 | return Local<Int32>(ToApi<Int32>(num)); |
| 1824 | } |
| 1825 | |
| 1826 | |
| 1827 | Local<Uint32> Value::ToUint32() const { |
| 1828 | if (IsDeadCheck("v8::Value::ToUint32()")) return Local<Uint32>(); |
| 1829 | LOG_API("ToUInt32"); |
| 1830 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1831 | i::Handle<i::Object> num; |
| 1832 | if (obj->IsSmi()) { |
| 1833 | num = obj; |
| 1834 | } else { |
| 1835 | ENTER_V8; |
| 1836 | EXCEPTION_PREAMBLE(); |
| 1837 | num = i::Execution::ToUint32(obj, &has_pending_exception); |
| 1838 | EXCEPTION_BAILOUT_CHECK(Local<Uint32>()); |
| 1839 | } |
| 1840 | return Local<Uint32>(ToApi<Uint32>(num)); |
| 1841 | } |
| 1842 | |
| 1843 | |
| 1844 | Local<Uint32> Value::ToArrayIndex() const { |
| 1845 | if (IsDeadCheck("v8::Value::ToArrayIndex()")) return Local<Uint32>(); |
| 1846 | LOG_API("ToArrayIndex"); |
| 1847 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1848 | if (obj->IsSmi()) { |
| 1849 | if (i::Smi::cast(*obj)->value() >= 0) return Utils::Uint32ToLocal(obj); |
| 1850 | return Local<Uint32>(); |
| 1851 | } |
| 1852 | ENTER_V8; |
| 1853 | EXCEPTION_PREAMBLE(); |
| 1854 | i::Handle<i::Object> string_obj = |
| 1855 | i::Execution::ToString(obj, &has_pending_exception); |
| 1856 | EXCEPTION_BAILOUT_CHECK(Local<Uint32>()); |
| 1857 | i::Handle<i::String> str = i::Handle<i::String>::cast(string_obj); |
| 1858 | uint32_t index; |
| 1859 | if (str->AsArrayIndex(&index)) { |
| 1860 | i::Handle<i::Object> value; |
| 1861 | if (index <= static_cast<uint32_t>(i::Smi::kMaxValue)) { |
| 1862 | value = i::Handle<i::Object>(i::Smi::FromInt(index)); |
| 1863 | } else { |
| 1864 | value = i::Factory::NewNumber(index); |
| 1865 | } |
| 1866 | return Utils::Uint32ToLocal(value); |
| 1867 | } |
| 1868 | return Local<Uint32>(); |
| 1869 | } |
| 1870 | |
| 1871 | |
| 1872 | int32_t Value::Int32Value() const { |
| 1873 | if (IsDeadCheck("v8::Value::Int32Value()")) return 0; |
| 1874 | LOG_API("Int32Value"); |
| 1875 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1876 | if (obj->IsSmi()) { |
| 1877 | return i::Smi::cast(*obj)->value(); |
| 1878 | } else { |
| 1879 | LOG_API("Int32Value (slow)"); |
| 1880 | ENTER_V8; |
| 1881 | EXCEPTION_PREAMBLE(); |
| 1882 | i::Handle<i::Object> num = |
| 1883 | i::Execution::ToInt32(obj, &has_pending_exception); |
| 1884 | EXCEPTION_BAILOUT_CHECK(0); |
| 1885 | if (num->IsSmi()) { |
| 1886 | return i::Smi::cast(*num)->value(); |
| 1887 | } else { |
| 1888 | return static_cast<int32_t>(num->Number()); |
| 1889 | } |
| 1890 | } |
| 1891 | } |
| 1892 | |
| 1893 | |
| 1894 | bool Value::Equals(Handle<Value> that) const { |
| 1895 | if (IsDeadCheck("v8::Value::Equals()") |
| 1896 | || EmptyCheck("v8::Value::Equals()", this) |
| 1897 | || EmptyCheck("v8::Value::Equals()", that)) { |
| 1898 | return false; |
| 1899 | } |
| 1900 | LOG_API("Equals"); |
| 1901 | ENTER_V8; |
| 1902 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1903 | i::Handle<i::Object> other = Utils::OpenHandle(*that); |
| 1904 | i::Object** args[1] = { other.location() }; |
| 1905 | EXCEPTION_PREAMBLE(); |
| 1906 | i::Handle<i::Object> result = |
| 1907 | CallV8HeapFunction("EQUALS", obj, 1, args, &has_pending_exception); |
| 1908 | EXCEPTION_BAILOUT_CHECK(false); |
| 1909 | return *result == i::Smi::FromInt(i::EQUAL); |
| 1910 | } |
| 1911 | |
| 1912 | |
| 1913 | bool Value::StrictEquals(Handle<Value> that) const { |
| 1914 | if (IsDeadCheck("v8::Value::StrictEquals()") |
| 1915 | || EmptyCheck("v8::Value::StrictEquals()", this) |
| 1916 | || EmptyCheck("v8::Value::StrictEquals()", that)) { |
| 1917 | return false; |
| 1918 | } |
| 1919 | LOG_API("StrictEquals"); |
| 1920 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1921 | i::Handle<i::Object> other = Utils::OpenHandle(*that); |
| 1922 | // Must check HeapNumber first, since NaN !== NaN. |
| 1923 | if (obj->IsHeapNumber()) { |
| 1924 | if (!other->IsNumber()) return false; |
| 1925 | double x = obj->Number(); |
| 1926 | double y = other->Number(); |
| 1927 | // Must check explicitly for NaN:s on Windows, but -0 works fine. |
| 1928 | return x == y && !isnan(x) && !isnan(y); |
| 1929 | } else if (*obj == *other) { // Also covers Booleans. |
| 1930 | return true; |
| 1931 | } else if (obj->IsSmi()) { |
| 1932 | return other->IsNumber() && obj->Number() == other->Number(); |
| 1933 | } else if (obj->IsString()) { |
| 1934 | return other->IsString() && |
| 1935 | i::String::cast(*obj)->Equals(i::String::cast(*other)); |
| 1936 | } else if (obj->IsUndefined() || obj->IsUndetectableObject()) { |
| 1937 | return other->IsUndefined() || other->IsUndetectableObject(); |
| 1938 | } else { |
| 1939 | return false; |
| 1940 | } |
| 1941 | } |
| 1942 | |
| 1943 | |
| 1944 | uint32_t Value::Uint32Value() const { |
| 1945 | if (IsDeadCheck("v8::Value::Uint32Value()")) return 0; |
| 1946 | LOG_API("Uint32Value"); |
| 1947 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 1948 | if (obj->IsSmi()) { |
| 1949 | return i::Smi::cast(*obj)->value(); |
| 1950 | } else { |
| 1951 | ENTER_V8; |
| 1952 | EXCEPTION_PREAMBLE(); |
| 1953 | i::Handle<i::Object> num = |
| 1954 | i::Execution::ToUint32(obj, &has_pending_exception); |
| 1955 | EXCEPTION_BAILOUT_CHECK(0); |
| 1956 | if (num->IsSmi()) { |
| 1957 | return i::Smi::cast(*num)->value(); |
| 1958 | } else { |
| 1959 | return static_cast<uint32_t>(num->Number()); |
| 1960 | } |
| 1961 | } |
| 1962 | } |
| 1963 | |
| 1964 | |
| 1965 | bool v8::Object::Set(v8::Handle<Value> key, v8::Handle<Value> value, |
| 1966 | v8::PropertyAttribute attribs) { |
| 1967 | ON_BAILOUT("v8::Object::Set()", return false); |
| 1968 | ENTER_V8; |
| 1969 | HandleScope scope; |
| 1970 | i::Handle<i::Object> self = Utils::OpenHandle(this); |
| 1971 | i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| 1972 | i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| 1973 | EXCEPTION_PREAMBLE(); |
| 1974 | i::Handle<i::Object> obj = i::SetProperty( |
| 1975 | self, |
| 1976 | key_obj, |
| 1977 | value_obj, |
| 1978 | static_cast<PropertyAttributes>(attribs)); |
| 1979 | has_pending_exception = obj.is_null(); |
| 1980 | EXCEPTION_BAILOUT_CHECK(false); |
| 1981 | return true; |
| 1982 | } |
| 1983 | |
| 1984 | |
| 1985 | bool v8::Object::ForceSet(v8::Handle<Value> key, |
| 1986 | v8::Handle<Value> value, |
| 1987 | v8::PropertyAttribute attribs) { |
| 1988 | ON_BAILOUT("v8::Object::ForceSet()", return false); |
| 1989 | ENTER_V8; |
| 1990 | HandleScope scope; |
| 1991 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 1992 | i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| 1993 | i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| 1994 | EXCEPTION_PREAMBLE(); |
| 1995 | i::Handle<i::Object> obj = i::ForceSetProperty( |
| 1996 | self, |
| 1997 | key_obj, |
| 1998 | value_obj, |
| 1999 | static_cast<PropertyAttributes>(attribs)); |
| 2000 | has_pending_exception = obj.is_null(); |
| 2001 | EXCEPTION_BAILOUT_CHECK(false); |
| 2002 | return true; |
| 2003 | } |
| 2004 | |
| 2005 | |
| 2006 | bool v8::Object::ForceDelete(v8::Handle<Value> key) { |
| 2007 | ON_BAILOUT("v8::Object::ForceDelete()", return false); |
| 2008 | ENTER_V8; |
| 2009 | HandleScope scope; |
| 2010 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2011 | i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| 2012 | EXCEPTION_PREAMBLE(); |
| 2013 | i::Handle<i::Object> obj = i::ForceDeleteProperty(self, key_obj); |
| 2014 | has_pending_exception = obj.is_null(); |
| 2015 | EXCEPTION_BAILOUT_CHECK(false); |
| 2016 | return obj->IsTrue(); |
| 2017 | } |
| 2018 | |
| 2019 | |
| 2020 | Local<Value> v8::Object::Get(v8::Handle<Value> key) { |
| 2021 | ON_BAILOUT("v8::Object::Get()", return Local<v8::Value>()); |
| 2022 | ENTER_V8; |
| 2023 | i::Handle<i::Object> self = Utils::OpenHandle(this); |
| 2024 | i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| 2025 | EXCEPTION_PREAMBLE(); |
| 2026 | i::Handle<i::Object> result = i::GetProperty(self, key_obj); |
| 2027 | has_pending_exception = result.is_null(); |
| 2028 | EXCEPTION_BAILOUT_CHECK(Local<Value>()); |
| 2029 | return Utils::ToLocal(result); |
| 2030 | } |
| 2031 | |
| 2032 | |
| 2033 | Local<Value> v8::Object::GetPrototype() { |
| 2034 | ON_BAILOUT("v8::Object::GetPrototype()", return Local<v8::Value>()); |
| 2035 | ENTER_V8; |
| 2036 | i::Handle<i::Object> self = Utils::OpenHandle(this); |
| 2037 | i::Handle<i::Object> result = i::GetPrototype(self); |
| 2038 | return Utils::ToLocal(result); |
| 2039 | } |
| 2040 | |
| 2041 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2042 | bool v8::Object::SetPrototype(Handle<Value> value) { |
| 2043 | ON_BAILOUT("v8::Object::SetPrototype()", return false); |
| 2044 | ENTER_V8; |
| 2045 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2046 | i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| 2047 | EXCEPTION_PREAMBLE(); |
| 2048 | i::Handle<i::Object> result = i::SetPrototype(self, value_obj); |
| 2049 | has_pending_exception = result.is_null(); |
| 2050 | EXCEPTION_BAILOUT_CHECK(false); |
| 2051 | return true; |
| 2052 | } |
| 2053 | |
| 2054 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2055 | Local<Object> v8::Object::FindInstanceInPrototypeChain( |
| 2056 | v8::Handle<FunctionTemplate> tmpl) { |
| 2057 | ON_BAILOUT("v8::Object::FindInstanceInPrototypeChain()", |
| 2058 | return Local<v8::Object>()); |
| 2059 | ENTER_V8; |
| 2060 | i::JSObject* object = *Utils::OpenHandle(this); |
| 2061 | i::FunctionTemplateInfo* tmpl_info = *Utils::OpenHandle(*tmpl); |
| 2062 | while (!object->IsInstanceOf(tmpl_info)) { |
| 2063 | i::Object* prototype = object->GetPrototype(); |
| 2064 | if (!prototype->IsJSObject()) return Local<Object>(); |
| 2065 | object = i::JSObject::cast(prototype); |
| 2066 | } |
| 2067 | return Utils::ToLocal(i::Handle<i::JSObject>(object)); |
| 2068 | } |
| 2069 | |
| 2070 | |
| 2071 | Local<Array> v8::Object::GetPropertyNames() { |
| 2072 | ON_BAILOUT("v8::Object::GetPropertyNames()", return Local<v8::Array>()); |
| 2073 | ENTER_V8; |
| 2074 | v8::HandleScope scope; |
| 2075 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2076 | i::Handle<i::FixedArray> value = |
| 2077 | i::GetKeysInFixedArrayFor(self, i::INCLUDE_PROTOS); |
| 2078 | // Because we use caching to speed up enumeration it is important |
| 2079 | // to never change the result of the basic enumeration function so |
| 2080 | // we clone the result. |
| 2081 | i::Handle<i::FixedArray> elms = i::Factory::CopyFixedArray(value); |
| 2082 | i::Handle<i::JSArray> result = i::Factory::NewJSArrayWithElements(elms); |
| 2083 | return scope.Close(Utils::ToLocal(result)); |
| 2084 | } |
| 2085 | |
| 2086 | |
| 2087 | Local<String> v8::Object::ObjectProtoToString() { |
| 2088 | ON_BAILOUT("v8::Object::ObjectProtoToString()", return Local<v8::String>()); |
| 2089 | ENTER_V8; |
| 2090 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2091 | |
| 2092 | i::Handle<i::Object> name(self->class_name()); |
| 2093 | |
| 2094 | // Native implementation of Object.prototype.toString (v8natives.js): |
| 2095 | // var c = %ClassOf(this); |
| 2096 | // if (c === 'Arguments') c = 'Object'; |
| 2097 | // return "[object " + c + "]"; |
| 2098 | |
| 2099 | if (!name->IsString()) { |
| 2100 | return v8::String::New("[object ]"); |
| 2101 | |
| 2102 | } else { |
| 2103 | i::Handle<i::String> class_name = i::Handle<i::String>::cast(name); |
| 2104 | if (class_name->IsEqualTo(i::CStrVector("Arguments"))) { |
| 2105 | return v8::String::New("[object Object]"); |
| 2106 | |
| 2107 | } else { |
| 2108 | const char* prefix = "[object "; |
| 2109 | Local<String> str = Utils::ToLocal(class_name); |
| 2110 | const char* postfix = "]"; |
| 2111 | |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 2112 | int prefix_len = i::StrLength(prefix); |
| 2113 | int str_len = str->Length(); |
| 2114 | int postfix_len = i::StrLength(postfix); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2115 | |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 2116 | int buf_len = prefix_len + str_len + postfix_len; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2117 | char* buf = i::NewArray<char>(buf_len); |
| 2118 | |
| 2119 | // Write prefix. |
| 2120 | char* ptr = buf; |
| 2121 | memcpy(ptr, prefix, prefix_len * v8::internal::kCharSize); |
| 2122 | ptr += prefix_len; |
| 2123 | |
| 2124 | // Write real content. |
| 2125 | str->WriteAscii(ptr, 0, str_len); |
| 2126 | ptr += str_len; |
| 2127 | |
| 2128 | // Write postfix. |
| 2129 | memcpy(ptr, postfix, postfix_len * v8::internal::kCharSize); |
| 2130 | |
| 2131 | // Copy the buffer into a heap-allocated string and return it. |
| 2132 | Local<String> result = v8::String::New(buf, buf_len); |
| 2133 | i::DeleteArray(buf); |
| 2134 | return result; |
| 2135 | } |
| 2136 | } |
| 2137 | } |
| 2138 | |
| 2139 | |
| 2140 | bool v8::Object::Delete(v8::Handle<String> key) { |
| 2141 | ON_BAILOUT("v8::Object::Delete()", return false); |
| 2142 | ENTER_V8; |
| 2143 | HandleScope scope; |
| 2144 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2145 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2146 | return i::DeleteProperty(self, key_obj)->IsTrue(); |
| 2147 | } |
| 2148 | |
| 2149 | |
| 2150 | bool v8::Object::Has(v8::Handle<String> key) { |
| 2151 | ON_BAILOUT("v8::Object::Has()", return false); |
| 2152 | ENTER_V8; |
| 2153 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2154 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2155 | return self->HasProperty(*key_obj); |
| 2156 | } |
| 2157 | |
| 2158 | |
| 2159 | bool v8::Object::Delete(uint32_t index) { |
| 2160 | ON_BAILOUT("v8::Object::DeleteProperty()", return false); |
| 2161 | ENTER_V8; |
| 2162 | HandleScope scope; |
| 2163 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2164 | return i::DeleteElement(self, index)->IsTrue(); |
| 2165 | } |
| 2166 | |
| 2167 | |
| 2168 | bool v8::Object::Has(uint32_t index) { |
| 2169 | ON_BAILOUT("v8::Object::HasProperty()", return false); |
| 2170 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2171 | return self->HasElement(index); |
| 2172 | } |
| 2173 | |
| 2174 | |
| 2175 | bool v8::Object::HasRealNamedProperty(Handle<String> key) { |
| 2176 | ON_BAILOUT("v8::Object::HasRealNamedProperty()", return false); |
| 2177 | return Utils::OpenHandle(this)->HasRealNamedProperty( |
| 2178 | *Utils::OpenHandle(*key)); |
| 2179 | } |
| 2180 | |
| 2181 | |
| 2182 | bool v8::Object::HasRealIndexedProperty(uint32_t index) { |
| 2183 | ON_BAILOUT("v8::Object::HasRealIndexedProperty()", return false); |
| 2184 | return Utils::OpenHandle(this)->HasRealElementProperty(index); |
| 2185 | } |
| 2186 | |
| 2187 | |
| 2188 | bool v8::Object::HasRealNamedCallbackProperty(Handle<String> key) { |
| 2189 | ON_BAILOUT("v8::Object::HasRealNamedCallbackProperty()", return false); |
| 2190 | ENTER_V8; |
| 2191 | return Utils::OpenHandle(this)->HasRealNamedCallbackProperty( |
| 2192 | *Utils::OpenHandle(*key)); |
| 2193 | } |
| 2194 | |
| 2195 | |
| 2196 | bool v8::Object::HasNamedLookupInterceptor() { |
| 2197 | ON_BAILOUT("v8::Object::HasNamedLookupInterceptor()", return false); |
| 2198 | return Utils::OpenHandle(this)->HasNamedInterceptor(); |
| 2199 | } |
| 2200 | |
| 2201 | |
| 2202 | bool v8::Object::HasIndexedLookupInterceptor() { |
| 2203 | ON_BAILOUT("v8::Object::HasIndexedLookupInterceptor()", return false); |
| 2204 | return Utils::OpenHandle(this)->HasIndexedInterceptor(); |
| 2205 | } |
| 2206 | |
| 2207 | |
| 2208 | Local<Value> v8::Object::GetRealNamedPropertyInPrototypeChain( |
| 2209 | Handle<String> key) { |
| 2210 | ON_BAILOUT("v8::Object::GetRealNamedPropertyInPrototypeChain()", |
| 2211 | return Local<Value>()); |
| 2212 | ENTER_V8; |
| 2213 | i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this); |
| 2214 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2215 | i::LookupResult lookup; |
| 2216 | self_obj->LookupRealNamedPropertyInPrototypes(*key_obj, &lookup); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2217 | if (lookup.IsProperty()) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2218 | PropertyAttributes attributes; |
| 2219 | i::Handle<i::Object> result(self_obj->GetProperty(*self_obj, |
| 2220 | &lookup, |
| 2221 | *key_obj, |
| 2222 | &attributes)); |
| 2223 | return Utils::ToLocal(result); |
| 2224 | } |
| 2225 | return Local<Value>(); // No real property was found in prototype chain. |
| 2226 | } |
| 2227 | |
| 2228 | |
| 2229 | Local<Value> v8::Object::GetRealNamedProperty(Handle<String> key) { |
| 2230 | ON_BAILOUT("v8::Object::GetRealNamedProperty()", return Local<Value>()); |
| 2231 | ENTER_V8; |
| 2232 | i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this); |
| 2233 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2234 | i::LookupResult lookup; |
| 2235 | self_obj->LookupRealNamedProperty(*key_obj, &lookup); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2236 | if (lookup.IsProperty()) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2237 | PropertyAttributes attributes; |
| 2238 | i::Handle<i::Object> result(self_obj->GetProperty(*self_obj, |
| 2239 | &lookup, |
| 2240 | *key_obj, |
| 2241 | &attributes)); |
| 2242 | return Utils::ToLocal(result); |
| 2243 | } |
| 2244 | return Local<Value>(); // No real property was found in prototype chain. |
| 2245 | } |
| 2246 | |
| 2247 | |
| 2248 | // Turns on access checks by copying the map and setting the check flag. |
| 2249 | // Because the object gets a new map, existing inline cache caching |
| 2250 | // the old map of this object will fail. |
| 2251 | void v8::Object::TurnOnAccessCheck() { |
| 2252 | ON_BAILOUT("v8::Object::TurnOnAccessCheck()", return); |
| 2253 | ENTER_V8; |
| 2254 | HandleScope scope; |
| 2255 | i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| 2256 | |
| 2257 | i::Handle<i::Map> new_map = |
| 2258 | i::Factory::CopyMapDropTransitions(i::Handle<i::Map>(obj->map())); |
| 2259 | new_map->set_is_access_check_needed(true); |
| 2260 | obj->set_map(*new_map); |
| 2261 | } |
| 2262 | |
| 2263 | |
| 2264 | bool v8::Object::IsDirty() { |
| 2265 | return Utils::OpenHandle(this)->IsDirty(); |
| 2266 | } |
| 2267 | |
| 2268 | |
| 2269 | Local<v8::Object> v8::Object::Clone() { |
| 2270 | ON_BAILOUT("v8::Object::Clone()", return Local<Object>()); |
| 2271 | ENTER_V8; |
| 2272 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2273 | EXCEPTION_PREAMBLE(); |
| 2274 | i::Handle<i::JSObject> result = i::Copy(self); |
| 2275 | has_pending_exception = result.is_null(); |
| 2276 | EXCEPTION_BAILOUT_CHECK(Local<Object>()); |
| 2277 | return Utils::ToLocal(result); |
| 2278 | } |
| 2279 | |
| 2280 | |
| 2281 | int v8::Object::GetIdentityHash() { |
| 2282 | ON_BAILOUT("v8::Object::GetIdentityHash()", return 0); |
| 2283 | ENTER_V8; |
| 2284 | HandleScope scope; |
| 2285 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2286 | i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, true)); |
| 2287 | i::Handle<i::Object> hash_symbol = i::Factory::identity_hash_symbol(); |
| 2288 | i::Handle<i::Object> hash = i::GetProperty(hidden_props, hash_symbol); |
| 2289 | int hash_value; |
| 2290 | if (hash->IsSmi()) { |
| 2291 | hash_value = i::Smi::cast(*hash)->value(); |
| 2292 | } else { |
| 2293 | int attempts = 0; |
| 2294 | do { |
| 2295 | // Generate a random 32-bit hash value but limit range to fit |
| 2296 | // within a smi. |
| 2297 | hash_value = i::V8::Random() & i::Smi::kMaxValue; |
| 2298 | attempts++; |
| 2299 | } while (hash_value == 0 && attempts < 30); |
| 2300 | hash_value = hash_value != 0 ? hash_value : 1; // never return 0 |
| 2301 | i::SetProperty(hidden_props, |
| 2302 | hash_symbol, |
| 2303 | i::Handle<i::Object>(i::Smi::FromInt(hash_value)), |
| 2304 | static_cast<PropertyAttributes>(None)); |
| 2305 | } |
| 2306 | return hash_value; |
| 2307 | } |
| 2308 | |
| 2309 | |
| 2310 | bool v8::Object::SetHiddenValue(v8::Handle<v8::String> key, |
| 2311 | v8::Handle<v8::Value> value) { |
| 2312 | ON_BAILOUT("v8::Object::SetHiddenValue()", return false); |
| 2313 | ENTER_V8; |
| 2314 | HandleScope scope; |
| 2315 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2316 | i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, true)); |
| 2317 | i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| 2318 | i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| 2319 | EXCEPTION_PREAMBLE(); |
| 2320 | i::Handle<i::Object> obj = i::SetProperty( |
| 2321 | hidden_props, |
| 2322 | key_obj, |
| 2323 | value_obj, |
| 2324 | static_cast<PropertyAttributes>(None)); |
| 2325 | has_pending_exception = obj.is_null(); |
| 2326 | EXCEPTION_BAILOUT_CHECK(false); |
| 2327 | return true; |
| 2328 | } |
| 2329 | |
| 2330 | |
| 2331 | v8::Local<v8::Value> v8::Object::GetHiddenValue(v8::Handle<v8::String> key) { |
| 2332 | ON_BAILOUT("v8::Object::GetHiddenValue()", return Local<v8::Value>()); |
| 2333 | ENTER_V8; |
| 2334 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2335 | i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, false)); |
| 2336 | if (hidden_props->IsUndefined()) { |
| 2337 | return v8::Local<v8::Value>(); |
| 2338 | } |
| 2339 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2340 | EXCEPTION_PREAMBLE(); |
| 2341 | i::Handle<i::Object> result = i::GetProperty(hidden_props, key_obj); |
| 2342 | has_pending_exception = result.is_null(); |
| 2343 | EXCEPTION_BAILOUT_CHECK(v8::Local<v8::Value>()); |
| 2344 | if (result->IsUndefined()) { |
| 2345 | return v8::Local<v8::Value>(); |
| 2346 | } |
| 2347 | return Utils::ToLocal(result); |
| 2348 | } |
| 2349 | |
| 2350 | |
| 2351 | bool v8::Object::DeleteHiddenValue(v8::Handle<v8::String> key) { |
| 2352 | ON_BAILOUT("v8::DeleteHiddenValue()", return false); |
| 2353 | ENTER_V8; |
| 2354 | HandleScope scope; |
| 2355 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2356 | i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, false)); |
| 2357 | if (hidden_props->IsUndefined()) { |
| 2358 | return true; |
| 2359 | } |
| 2360 | i::Handle<i::JSObject> js_obj(i::JSObject::cast(*hidden_props)); |
| 2361 | i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| 2362 | return i::DeleteProperty(js_obj, key_obj)->IsTrue(); |
| 2363 | } |
| 2364 | |
| 2365 | |
| 2366 | void v8::Object::SetIndexedPropertiesToPixelData(uint8_t* data, int length) { |
| 2367 | ON_BAILOUT("v8::SetElementsToPixelData()", return); |
| 2368 | ENTER_V8; |
| 2369 | HandleScope scope; |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2370 | if (!ApiCheck(length <= i::PixelArray::kMaxLength, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2371 | "v8::Object::SetIndexedPropertiesToPixelData()", |
| 2372 | "length exceeds max acceptable value")) { |
| 2373 | return; |
| 2374 | } |
| 2375 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2376 | if (!ApiCheck(!self->IsJSArray(), |
| 2377 | "v8::Object::SetIndexedPropertiesToPixelData()", |
| 2378 | "JSArray is not supported")) { |
| 2379 | return; |
| 2380 | } |
| 2381 | i::Handle<i::PixelArray> pixels = i::Factory::NewPixelArray(length, data); |
| 2382 | self->set_elements(*pixels); |
| 2383 | } |
| 2384 | |
| 2385 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2386 | void v8::Object::SetIndexedPropertiesToExternalArrayData( |
| 2387 | void* data, |
| 2388 | ExternalArrayType array_type, |
| 2389 | int length) { |
| 2390 | ON_BAILOUT("v8::SetIndexedPropertiesToExternalArrayData()", return); |
| 2391 | ENTER_V8; |
| 2392 | HandleScope scope; |
| 2393 | if (!ApiCheck(length <= i::ExternalArray::kMaxLength, |
| 2394 | "v8::Object::SetIndexedPropertiesToExternalArrayData()", |
| 2395 | "length exceeds max acceptable value")) { |
| 2396 | return; |
| 2397 | } |
| 2398 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 2399 | if (!ApiCheck(!self->IsJSArray(), |
| 2400 | "v8::Object::SetIndexedPropertiesToExternalArrayData()", |
| 2401 | "JSArray is not supported")) { |
| 2402 | return; |
| 2403 | } |
| 2404 | i::Handle<i::ExternalArray> array = |
| 2405 | i::Factory::NewExternalArray(length, array_type, data); |
| 2406 | self->set_elements(*array); |
| 2407 | } |
| 2408 | |
| 2409 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2410 | Local<v8::Object> Function::NewInstance() const { |
| 2411 | return NewInstance(0, NULL); |
| 2412 | } |
| 2413 | |
| 2414 | |
| 2415 | Local<v8::Object> Function::NewInstance(int argc, |
| 2416 | v8::Handle<v8::Value> argv[]) const { |
| 2417 | ON_BAILOUT("v8::Function::NewInstance()", return Local<v8::Object>()); |
| 2418 | LOG_API("Function::NewInstance"); |
| 2419 | ENTER_V8; |
| 2420 | HandleScope scope; |
| 2421 | i::Handle<i::JSFunction> function = Utils::OpenHandle(this); |
| 2422 | STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**)); |
| 2423 | i::Object*** args = reinterpret_cast<i::Object***>(argv); |
| 2424 | EXCEPTION_PREAMBLE(); |
| 2425 | i::Handle<i::Object> returned = |
| 2426 | i::Execution::New(function, argc, args, &has_pending_exception); |
| 2427 | EXCEPTION_BAILOUT_CHECK(Local<v8::Object>()); |
| 2428 | return scope.Close(Utils::ToLocal(i::Handle<i::JSObject>::cast(returned))); |
| 2429 | } |
| 2430 | |
| 2431 | |
| 2432 | Local<v8::Value> Function::Call(v8::Handle<v8::Object> recv, int argc, |
| 2433 | v8::Handle<v8::Value> argv[]) { |
| 2434 | ON_BAILOUT("v8::Function::Call()", return Local<v8::Value>()); |
| 2435 | LOG_API("Function::Call"); |
| 2436 | ENTER_V8; |
| 2437 | i::Object* raw_result = NULL; |
| 2438 | { |
| 2439 | HandleScope scope; |
| 2440 | i::Handle<i::JSFunction> fun = Utils::OpenHandle(this); |
| 2441 | i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv); |
| 2442 | STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**)); |
| 2443 | i::Object*** args = reinterpret_cast<i::Object***>(argv); |
| 2444 | EXCEPTION_PREAMBLE(); |
| 2445 | i::Handle<i::Object> returned = |
| 2446 | i::Execution::Call(fun, recv_obj, argc, args, &has_pending_exception); |
| 2447 | EXCEPTION_BAILOUT_CHECK(Local<Object>()); |
| 2448 | raw_result = *returned; |
| 2449 | } |
| 2450 | i::Handle<i::Object> result(raw_result); |
| 2451 | return Utils::ToLocal(result); |
| 2452 | } |
| 2453 | |
| 2454 | |
| 2455 | void Function::SetName(v8::Handle<v8::String> name) { |
| 2456 | ENTER_V8; |
| 2457 | i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| 2458 | func->shared()->set_name(*Utils::OpenHandle(*name)); |
| 2459 | } |
| 2460 | |
| 2461 | |
| 2462 | Handle<Value> Function::GetName() const { |
| 2463 | i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| 2464 | return Utils::ToLocal(i::Handle<i::Object>(func->shared()->name())); |
| 2465 | } |
| 2466 | |
| 2467 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2468 | ScriptOrigin Function::GetScriptOrigin() const { |
| 2469 | i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| 2470 | if (func->shared()->script()->IsScript()) { |
| 2471 | i::Handle<i::Script> script(i::Script::cast(func->shared()->script())); |
| 2472 | v8::ScriptOrigin origin( |
| 2473 | Utils::ToLocal(i::Handle<i::Object>(script->name())), |
| 2474 | v8::Integer::New(script->line_offset()->value()), |
| 2475 | v8::Integer::New(script->column_offset()->value())); |
| 2476 | return origin; |
| 2477 | } |
| 2478 | return v8::ScriptOrigin(Handle<Value>()); |
| 2479 | } |
| 2480 | |
| 2481 | |
| 2482 | const int Function::kLineOffsetNotFound = -1; |
| 2483 | |
| 2484 | |
| 2485 | int Function::GetScriptLineNumber() const { |
| 2486 | i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| 2487 | if (func->shared()->script()->IsScript()) { |
| 2488 | i::Handle<i::Script> script(i::Script::cast(func->shared()->script())); |
| 2489 | return i::GetScriptLineNumber(script, func->shared()->start_position()); |
| 2490 | } |
| 2491 | return kLineOffsetNotFound; |
| 2492 | } |
| 2493 | |
| 2494 | |
| 2495 | namespace { |
| 2496 | |
| 2497 | // Tracks string usage to help make better decisions when |
| 2498 | // externalizing strings. |
| 2499 | // |
| 2500 | // Implementation note: internally this class only tracks fresh |
| 2501 | // strings and keeps a single use counter for them. |
| 2502 | class StringTracker { |
| 2503 | public: |
| 2504 | // Records that the given string's characters were copied to some |
| 2505 | // external buffer. If this happens often we should honor |
| 2506 | // externalization requests for the string. |
| 2507 | static void RecordWrite(i::Handle<i::String> string) { |
| 2508 | i::Address address = reinterpret_cast<i::Address>(*string); |
| 2509 | i::Address top = i::Heap::NewSpaceTop(); |
| 2510 | if (IsFreshString(address, top)) { |
| 2511 | IncrementUseCount(top); |
| 2512 | } |
| 2513 | } |
| 2514 | |
| 2515 | // Estimates freshness and use frequency of the given string based |
| 2516 | // on how close it is to the new space top and the recorded usage |
| 2517 | // history. |
| 2518 | static inline bool IsFreshUnusedString(i::Handle<i::String> string) { |
| 2519 | i::Address address = reinterpret_cast<i::Address>(*string); |
| 2520 | i::Address top = i::Heap::NewSpaceTop(); |
| 2521 | return IsFreshString(address, top) && IsUseCountLow(top); |
| 2522 | } |
| 2523 | |
| 2524 | private: |
| 2525 | static inline bool IsFreshString(i::Address string, i::Address top) { |
| 2526 | return top - kFreshnessLimit <= string && string <= top; |
| 2527 | } |
| 2528 | |
| 2529 | static inline bool IsUseCountLow(i::Address top) { |
| 2530 | if (last_top_ != top) return true; |
| 2531 | return use_count_ < kUseLimit; |
| 2532 | } |
| 2533 | |
| 2534 | static inline void IncrementUseCount(i::Address top) { |
| 2535 | if (last_top_ != top) { |
| 2536 | use_count_ = 0; |
| 2537 | last_top_ = top; |
| 2538 | } |
| 2539 | ++use_count_; |
| 2540 | } |
| 2541 | |
| 2542 | // How close to the new space top a fresh string has to be. |
| 2543 | static const int kFreshnessLimit = 1024; |
| 2544 | |
| 2545 | // The number of uses required to consider a string useful. |
| 2546 | static const int kUseLimit = 32; |
| 2547 | |
| 2548 | // Single use counter shared by all fresh strings. |
| 2549 | static int use_count_; |
| 2550 | |
| 2551 | // Last new space top when the use count above was valid. |
| 2552 | static i::Address last_top_; |
| 2553 | }; |
| 2554 | |
| 2555 | int StringTracker::use_count_ = 0; |
| 2556 | i::Address StringTracker::last_top_ = NULL; |
| 2557 | |
| 2558 | } // namespace |
| 2559 | |
| 2560 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2561 | int String::Length() const { |
| 2562 | if (IsDeadCheck("v8::String::Length()")) return 0; |
| 2563 | return Utils::OpenHandle(this)->length(); |
| 2564 | } |
| 2565 | |
| 2566 | |
| 2567 | int String::Utf8Length() const { |
| 2568 | if (IsDeadCheck("v8::String::Utf8Length()")) return 0; |
| 2569 | return Utils::OpenHandle(this)->Utf8Length(); |
| 2570 | } |
| 2571 | |
| 2572 | |
| 2573 | int String::WriteUtf8(char* buffer, int capacity) const { |
| 2574 | if (IsDeadCheck("v8::String::WriteUtf8()")) return 0; |
| 2575 | LOG_API("String::WriteUtf8"); |
| 2576 | ENTER_V8; |
| 2577 | i::Handle<i::String> str = Utils::OpenHandle(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2578 | StringTracker::RecordWrite(str); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2579 | write_input_buffer.Reset(0, *str); |
| 2580 | int len = str->length(); |
| 2581 | // Encode the first K - 3 bytes directly into the buffer since we |
| 2582 | // know there's room for them. If no capacity is given we copy all |
| 2583 | // of them here. |
| 2584 | int fast_end = capacity - (unibrow::Utf8::kMaxEncodedSize - 1); |
| 2585 | int i; |
| 2586 | int pos = 0; |
| 2587 | for (i = 0; i < len && (capacity == -1 || pos < fast_end); i++) { |
| 2588 | i::uc32 c = write_input_buffer.GetNext(); |
| 2589 | int written = unibrow::Utf8::Encode(buffer + pos, c); |
| 2590 | pos += written; |
| 2591 | } |
| 2592 | if (i < len) { |
| 2593 | // For the last characters we need to check the length for each one |
| 2594 | // because they may be longer than the remaining space in the |
| 2595 | // buffer. |
| 2596 | char intermediate[unibrow::Utf8::kMaxEncodedSize]; |
| 2597 | for (; i < len && pos < capacity; i++) { |
| 2598 | i::uc32 c = write_input_buffer.GetNext(); |
| 2599 | int written = unibrow::Utf8::Encode(intermediate, c); |
| 2600 | if (pos + written <= capacity) { |
| 2601 | for (int j = 0; j < written; j++) |
| 2602 | buffer[pos + j] = intermediate[j]; |
| 2603 | pos += written; |
| 2604 | } else { |
| 2605 | // We've reached the end of the buffer |
| 2606 | break; |
| 2607 | } |
| 2608 | } |
| 2609 | } |
| 2610 | if (i == len && (capacity == -1 || pos < capacity)) |
| 2611 | buffer[pos++] = '\0'; |
| 2612 | return pos; |
| 2613 | } |
| 2614 | |
| 2615 | |
| 2616 | int String::WriteAscii(char* buffer, int start, int length) const { |
| 2617 | if (IsDeadCheck("v8::String::WriteAscii()")) return 0; |
| 2618 | LOG_API("String::WriteAscii"); |
| 2619 | ENTER_V8; |
| 2620 | ASSERT(start >= 0 && length >= -1); |
| 2621 | i::Handle<i::String> str = Utils::OpenHandle(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2622 | StringTracker::RecordWrite(str); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2623 | // Flatten the string for efficiency. This applies whether we are |
| 2624 | // using StringInputBuffer or Get(i) to access the characters. |
| 2625 | str->TryFlattenIfNotFlat(); |
| 2626 | int end = length; |
| 2627 | if ( (length == -1) || (length > str->length() - start) ) |
| 2628 | end = str->length() - start; |
| 2629 | if (end < 0) return 0; |
| 2630 | write_input_buffer.Reset(start, *str); |
| 2631 | int i; |
| 2632 | for (i = 0; i < end; i++) { |
| 2633 | char c = static_cast<char>(write_input_buffer.GetNext()); |
| 2634 | if (c == '\0') c = ' '; |
| 2635 | buffer[i] = c; |
| 2636 | } |
| 2637 | if (length == -1 || i < length) |
| 2638 | buffer[i] = '\0'; |
| 2639 | return i; |
| 2640 | } |
| 2641 | |
| 2642 | |
| 2643 | int String::Write(uint16_t* buffer, int start, int length) const { |
| 2644 | if (IsDeadCheck("v8::String::Write()")) return 0; |
| 2645 | LOG_API("String::Write"); |
| 2646 | ENTER_V8; |
| 2647 | ASSERT(start >= 0 && length >= -1); |
| 2648 | i::Handle<i::String> str = Utils::OpenHandle(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2649 | StringTracker::RecordWrite(str); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2650 | int end = length; |
| 2651 | if ( (length == -1) || (length > str->length() - start) ) |
| 2652 | end = str->length() - start; |
| 2653 | if (end < 0) return 0; |
| 2654 | i::String::WriteToFlat(*str, buffer, start, end); |
| 2655 | if (length == -1 || end < length) |
| 2656 | buffer[end] = '\0'; |
| 2657 | return end; |
| 2658 | } |
| 2659 | |
| 2660 | |
| 2661 | bool v8::String::IsExternal() const { |
| 2662 | EnsureInitialized("v8::String::IsExternal()"); |
| 2663 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2664 | return i::StringShape(*str).IsExternalTwoByte(); |
| 2665 | } |
| 2666 | |
| 2667 | |
| 2668 | bool v8::String::IsExternalAscii() const { |
| 2669 | EnsureInitialized("v8::String::IsExternalAscii()"); |
| 2670 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2671 | return i::StringShape(*str).IsExternalAscii(); |
| 2672 | } |
| 2673 | |
| 2674 | |
| 2675 | void v8::String::VerifyExternalStringResource( |
| 2676 | v8::String::ExternalStringResource* value) const { |
| 2677 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2678 | v8::String::ExternalStringResource* expected; |
| 2679 | if (i::StringShape(*str).IsExternalTwoByte()) { |
| 2680 | void* resource = i::Handle<i::ExternalTwoByteString>::cast(str)->resource(); |
| 2681 | expected = reinterpret_cast<ExternalStringResource*>(resource); |
| 2682 | } else { |
| 2683 | expected = NULL; |
| 2684 | } |
| 2685 | CHECK_EQ(expected, value); |
| 2686 | } |
| 2687 | |
| 2688 | |
| 2689 | v8::String::ExternalAsciiStringResource* |
| 2690 | v8::String::GetExternalAsciiStringResource() const { |
| 2691 | EnsureInitialized("v8::String::GetExternalAsciiStringResource()"); |
| 2692 | i::Handle<i::String> str = Utils::OpenHandle(this); |
| 2693 | if (i::StringShape(*str).IsExternalAscii()) { |
| 2694 | void* resource = i::Handle<i::ExternalAsciiString>::cast(str)->resource(); |
| 2695 | return reinterpret_cast<ExternalAsciiStringResource*>(resource); |
| 2696 | } else { |
| 2697 | return NULL; |
| 2698 | } |
| 2699 | } |
| 2700 | |
| 2701 | |
| 2702 | double Number::Value() const { |
| 2703 | if (IsDeadCheck("v8::Number::Value()")) return 0; |
| 2704 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 2705 | return obj->Number(); |
| 2706 | } |
| 2707 | |
| 2708 | |
| 2709 | bool Boolean::Value() const { |
| 2710 | if (IsDeadCheck("v8::Boolean::Value()")) return false; |
| 2711 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 2712 | return obj->IsTrue(); |
| 2713 | } |
| 2714 | |
| 2715 | |
| 2716 | int64_t Integer::Value() const { |
| 2717 | if (IsDeadCheck("v8::Integer::Value()")) return 0; |
| 2718 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 2719 | if (obj->IsSmi()) { |
| 2720 | return i::Smi::cast(*obj)->value(); |
| 2721 | } else { |
| 2722 | return static_cast<int64_t>(obj->Number()); |
| 2723 | } |
| 2724 | } |
| 2725 | |
| 2726 | |
| 2727 | int32_t Int32::Value() const { |
| 2728 | if (IsDeadCheck("v8::Int32::Value()")) return 0; |
| 2729 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 2730 | if (obj->IsSmi()) { |
| 2731 | return i::Smi::cast(*obj)->value(); |
| 2732 | } else { |
| 2733 | return static_cast<int32_t>(obj->Number()); |
| 2734 | } |
| 2735 | } |
| 2736 | |
| 2737 | |
| 2738 | int v8::Object::InternalFieldCount() { |
| 2739 | if (IsDeadCheck("v8::Object::InternalFieldCount()")) return 0; |
| 2740 | i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| 2741 | return obj->GetInternalFieldCount(); |
| 2742 | } |
| 2743 | |
| 2744 | |
| 2745 | Local<Value> v8::Object::CheckedGetInternalField(int index) { |
| 2746 | if (IsDeadCheck("v8::Object::GetInternalField()")) return Local<Value>(); |
| 2747 | i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| 2748 | if (!ApiCheck(index < obj->GetInternalFieldCount(), |
| 2749 | "v8::Object::GetInternalField()", |
| 2750 | "Reading internal field out of bounds")) { |
| 2751 | return Local<Value>(); |
| 2752 | } |
| 2753 | i::Handle<i::Object> value(obj->GetInternalField(index)); |
| 2754 | Local<Value> result = Utils::ToLocal(value); |
| 2755 | #ifdef DEBUG |
| 2756 | Local<Value> unchecked = UncheckedGetInternalField(index); |
| 2757 | ASSERT(unchecked.IsEmpty() || (unchecked == result)); |
| 2758 | #endif |
| 2759 | return result; |
| 2760 | } |
| 2761 | |
| 2762 | |
| 2763 | void v8::Object::SetInternalField(int index, v8::Handle<Value> value) { |
| 2764 | if (IsDeadCheck("v8::Object::SetInternalField()")) return; |
| 2765 | i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| 2766 | if (!ApiCheck(index < obj->GetInternalFieldCount(), |
| 2767 | "v8::Object::SetInternalField()", |
| 2768 | "Writing internal field out of bounds")) { |
| 2769 | return; |
| 2770 | } |
| 2771 | ENTER_V8; |
| 2772 | i::Handle<i::Object> val = Utils::OpenHandle(*value); |
| 2773 | obj->SetInternalField(index, *val); |
| 2774 | } |
| 2775 | |
| 2776 | |
| 2777 | void v8::Object::SetPointerInInternalField(int index, void* value) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2778 | i::Object* as_object = reinterpret_cast<i::Object*>(value); |
| 2779 | if (as_object->IsSmi()) { |
| 2780 | Utils::OpenHandle(this)->SetInternalField(index, as_object); |
| 2781 | return; |
| 2782 | } |
| 2783 | HandleScope scope; |
| 2784 | i::Handle<i::Proxy> proxy = |
| 2785 | i::Factory::NewProxy(reinterpret_cast<i::Address>(value), i::TENURED); |
| 2786 | if (!proxy.is_null()) |
| 2787 | Utils::OpenHandle(this)->SetInternalField(index, *proxy); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2788 | } |
| 2789 | |
| 2790 | |
| 2791 | // --- E n v i r o n m e n t --- |
| 2792 | |
| 2793 | bool v8::V8::Initialize() { |
| 2794 | if (i::V8::IsRunning()) return true; |
| 2795 | ENTER_V8; |
| 2796 | HandleScope scope; |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 2797 | if (i::Snapshot::Initialize()) return true; |
| 2798 | return i::V8::Initialize(NULL); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2799 | } |
| 2800 | |
| 2801 | |
| 2802 | bool v8::V8::Dispose() { |
| 2803 | i::V8::TearDown(); |
| 2804 | return true; |
| 2805 | } |
| 2806 | |
| 2807 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2808 | HeapStatistics::HeapStatistics(): total_heap_size_(0), used_heap_size_(0) { } |
| 2809 | |
| 2810 | |
| 2811 | void v8::V8::GetHeapStatistics(HeapStatistics* heap_statistics) { |
| 2812 | heap_statistics->set_total_heap_size(i::Heap::CommittedMemory()); |
| 2813 | heap_statistics->set_used_heap_size(i::Heap::SizeOfObjects()); |
| 2814 | } |
| 2815 | |
| 2816 | |
| 2817 | bool v8::V8::IdleNotification() { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2818 | // Returning true tells the caller that it need not |
| 2819 | // continue to call IdleNotification. |
| 2820 | if (!i::V8::IsRunning()) return true; |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2821 | return i::V8::IdleNotification(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2822 | } |
| 2823 | |
| 2824 | |
| 2825 | void v8::V8::LowMemoryNotification() { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2826 | if (!i::V8::IsRunning()) return; |
| 2827 | i::Heap::CollectAllGarbage(true); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2828 | } |
| 2829 | |
| 2830 | |
| 2831 | const char* v8::V8::GetVersion() { |
| 2832 | static v8::internal::EmbeddedVector<char, 128> buffer; |
| 2833 | v8::internal::Version::GetString(buffer); |
| 2834 | return buffer.start(); |
| 2835 | } |
| 2836 | |
| 2837 | |
| 2838 | static i::Handle<i::FunctionTemplateInfo> |
| 2839 | EnsureConstructor(i::Handle<i::ObjectTemplateInfo> templ) { |
| 2840 | if (templ->constructor()->IsUndefined()) { |
| 2841 | Local<FunctionTemplate> constructor = FunctionTemplate::New(); |
| 2842 | Utils::OpenHandle(*constructor)->set_instance_template(*templ); |
| 2843 | templ->set_constructor(*Utils::OpenHandle(*constructor)); |
| 2844 | } |
| 2845 | return i::Handle<i::FunctionTemplateInfo>( |
| 2846 | i::FunctionTemplateInfo::cast(templ->constructor())); |
| 2847 | } |
| 2848 | |
| 2849 | |
| 2850 | Persistent<Context> v8::Context::New( |
| 2851 | v8::ExtensionConfiguration* extensions, |
| 2852 | v8::Handle<ObjectTemplate> global_template, |
| 2853 | v8::Handle<Value> global_object) { |
| 2854 | EnsureInitialized("v8::Context::New()"); |
| 2855 | LOG_API("Context::New"); |
| 2856 | ON_BAILOUT("v8::Context::New()", return Persistent<Context>()); |
| 2857 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2858 | #if defined(ANDROID) |
| 2859 | // On mobile device, full GC is expensive, leave it to the system to |
| 2860 | // decide when should make a full GC. |
| 2861 | #else |
| 2862 | // Give the heap a chance to cleanup if we've disposed contexts. |
| 2863 | i::Heap::CollectAllGarbageIfContextDisposed(); |
| 2864 | #endif |
| 2865 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2866 | // Enter V8 via an ENTER_V8 scope. |
| 2867 | i::Handle<i::Context> env; |
| 2868 | { |
| 2869 | ENTER_V8; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2870 | v8::Handle<ObjectTemplate> proxy_template = global_template; |
| 2871 | i::Handle<i::FunctionTemplateInfo> proxy_constructor; |
| 2872 | i::Handle<i::FunctionTemplateInfo> global_constructor; |
| 2873 | |
| 2874 | if (!global_template.IsEmpty()) { |
| 2875 | // Make sure that the global_template has a constructor. |
| 2876 | global_constructor = |
| 2877 | EnsureConstructor(Utils::OpenHandle(*global_template)); |
| 2878 | |
| 2879 | // Create a fresh template for the global proxy object. |
| 2880 | proxy_template = ObjectTemplate::New(); |
| 2881 | proxy_constructor = |
| 2882 | EnsureConstructor(Utils::OpenHandle(*proxy_template)); |
| 2883 | |
| 2884 | // Set the global template to be the prototype template of |
| 2885 | // global proxy template. |
| 2886 | proxy_constructor->set_prototype_template( |
| 2887 | *Utils::OpenHandle(*global_template)); |
| 2888 | |
| 2889 | // Migrate security handlers from global_template to |
| 2890 | // proxy_template. Temporarily removing access check |
| 2891 | // information from the global template. |
| 2892 | if (!global_constructor->access_check_info()->IsUndefined()) { |
| 2893 | proxy_constructor->set_access_check_info( |
| 2894 | global_constructor->access_check_info()); |
| 2895 | proxy_constructor->set_needs_access_check( |
| 2896 | global_constructor->needs_access_check()); |
| 2897 | global_constructor->set_needs_access_check(false); |
| 2898 | global_constructor->set_access_check_info(i::Heap::undefined_value()); |
| 2899 | } |
| 2900 | } |
| 2901 | |
| 2902 | // Create the environment. |
| 2903 | env = i::Bootstrapper::CreateEnvironment( |
| 2904 | Utils::OpenHandle(*global_object), |
| 2905 | proxy_template, |
| 2906 | extensions); |
| 2907 | |
| 2908 | // Restore the access check info on the global template. |
| 2909 | if (!global_template.IsEmpty()) { |
| 2910 | ASSERT(!global_constructor.is_null()); |
| 2911 | ASSERT(!proxy_constructor.is_null()); |
| 2912 | global_constructor->set_access_check_info( |
| 2913 | proxy_constructor->access_check_info()); |
| 2914 | global_constructor->set_needs_access_check( |
| 2915 | proxy_constructor->needs_access_check()); |
| 2916 | } |
| 2917 | } |
| 2918 | // Leave V8. |
| 2919 | |
| 2920 | if (env.is_null()) |
| 2921 | return Persistent<Context>(); |
| 2922 | return Persistent<Context>(Utils::ToLocal(env)); |
| 2923 | } |
| 2924 | |
| 2925 | |
| 2926 | void v8::Context::SetSecurityToken(Handle<Value> token) { |
| 2927 | if (IsDeadCheck("v8::Context::SetSecurityToken()")) return; |
| 2928 | ENTER_V8; |
| 2929 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 2930 | i::Handle<i::Object> token_handle = Utils::OpenHandle(*token); |
| 2931 | env->set_security_token(*token_handle); |
| 2932 | } |
| 2933 | |
| 2934 | |
| 2935 | void v8::Context::UseDefaultSecurityToken() { |
| 2936 | if (IsDeadCheck("v8::Context::UseDefaultSecurityToken()")) return; |
| 2937 | ENTER_V8; |
| 2938 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 2939 | env->set_security_token(env->global()); |
| 2940 | } |
| 2941 | |
| 2942 | |
| 2943 | Handle<Value> v8::Context::GetSecurityToken() { |
| 2944 | if (IsDeadCheck("v8::Context::GetSecurityToken()")) return Handle<Value>(); |
| 2945 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 2946 | i::Object* security_token = env->security_token(); |
| 2947 | i::Handle<i::Object> token_handle(security_token); |
| 2948 | return Utils::ToLocal(token_handle); |
| 2949 | } |
| 2950 | |
| 2951 | |
| 2952 | bool Context::HasOutOfMemoryException() { |
| 2953 | i::Handle<i::Context> env = Utils::OpenHandle(this); |
| 2954 | return env->has_out_of_memory(); |
| 2955 | } |
| 2956 | |
| 2957 | |
| 2958 | bool Context::InContext() { |
| 2959 | return i::Top::context() != NULL; |
| 2960 | } |
| 2961 | |
| 2962 | |
| 2963 | v8::Local<v8::Context> Context::GetEntered() { |
| 2964 | if (IsDeadCheck("v8::Context::GetEntered()")) return Local<Context>(); |
| 2965 | i::Handle<i::Object> last = thread_local.LastEnteredContext(); |
| 2966 | if (last.is_null()) return Local<Context>(); |
| 2967 | i::Handle<i::Context> context = i::Handle<i::Context>::cast(last); |
| 2968 | return Utils::ToLocal(context); |
| 2969 | } |
| 2970 | |
| 2971 | |
| 2972 | v8::Local<v8::Context> Context::GetCurrent() { |
| 2973 | if (IsDeadCheck("v8::Context::GetCurrent()")) return Local<Context>(); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2974 | i::Handle<i::Object> current = i::Top::global_context(); |
| 2975 | if (current.is_null()) return Local<Context>(); |
| 2976 | i::Handle<i::Context> context = i::Handle<i::Context>::cast(current); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2977 | return Utils::ToLocal(context); |
| 2978 | } |
| 2979 | |
| 2980 | |
| 2981 | v8::Local<v8::Context> Context::GetCalling() { |
| 2982 | if (IsDeadCheck("v8::Context::GetCalling()")) return Local<Context>(); |
| 2983 | i::Handle<i::Object> calling = i::Top::GetCallingGlobalContext(); |
| 2984 | if (calling.is_null()) return Local<Context>(); |
| 2985 | i::Handle<i::Context> context = i::Handle<i::Context>::cast(calling); |
| 2986 | return Utils::ToLocal(context); |
| 2987 | } |
| 2988 | |
| 2989 | |
| 2990 | v8::Local<v8::Object> Context::Global() { |
| 2991 | if (IsDeadCheck("v8::Context::Global()")) return Local<v8::Object>(); |
| 2992 | i::Object** ctx = reinterpret_cast<i::Object**>(this); |
| 2993 | i::Handle<i::Context> context = |
| 2994 | i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx)); |
| 2995 | i::Handle<i::Object> global(context->global_proxy()); |
| 2996 | return Utils::ToLocal(i::Handle<i::JSObject>::cast(global)); |
| 2997 | } |
| 2998 | |
| 2999 | |
| 3000 | void Context::DetachGlobal() { |
| 3001 | if (IsDeadCheck("v8::Context::DetachGlobal()")) return; |
| 3002 | ENTER_V8; |
| 3003 | i::Object** ctx = reinterpret_cast<i::Object**>(this); |
| 3004 | i::Handle<i::Context> context = |
| 3005 | i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx)); |
| 3006 | i::Bootstrapper::DetachGlobal(context); |
| 3007 | } |
| 3008 | |
| 3009 | |
Andrei Popescu | 74b3c14 | 2010-03-29 12:03:09 +0100 | [diff] [blame^] | 3010 | void Context::ReattachGlobal(Handle<Object> global_object) { |
| 3011 | if (IsDeadCheck("v8::Context::ReattachGlobal()")) return; |
| 3012 | ENTER_V8; |
| 3013 | i::Object** ctx = reinterpret_cast<i::Object**>(this); |
| 3014 | i::Handle<i::Context> context = |
| 3015 | i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx)); |
| 3016 | i::Bootstrapper::ReattachGlobal(context, Utils::OpenHandle(*global_object)); |
| 3017 | } |
| 3018 | |
| 3019 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3020 | Local<v8::Object> ObjectTemplate::NewInstance() { |
| 3021 | ON_BAILOUT("v8::ObjectTemplate::NewInstance()", return Local<v8::Object>()); |
| 3022 | LOG_API("ObjectTemplate::NewInstance"); |
| 3023 | ENTER_V8; |
| 3024 | EXCEPTION_PREAMBLE(); |
| 3025 | i::Handle<i::Object> obj = |
| 3026 | i::Execution::InstantiateObject(Utils::OpenHandle(this), |
| 3027 | &has_pending_exception); |
| 3028 | EXCEPTION_BAILOUT_CHECK(Local<v8::Object>()); |
| 3029 | return Utils::ToLocal(i::Handle<i::JSObject>::cast(obj)); |
| 3030 | } |
| 3031 | |
| 3032 | |
| 3033 | Local<v8::Function> FunctionTemplate::GetFunction() { |
| 3034 | ON_BAILOUT("v8::FunctionTemplate::GetFunction()", |
| 3035 | return Local<v8::Function>()); |
| 3036 | LOG_API("FunctionTemplate::GetFunction"); |
| 3037 | ENTER_V8; |
| 3038 | EXCEPTION_PREAMBLE(); |
| 3039 | i::Handle<i::Object> obj = |
| 3040 | i::Execution::InstantiateFunction(Utils::OpenHandle(this), |
| 3041 | &has_pending_exception); |
| 3042 | EXCEPTION_BAILOUT_CHECK(Local<v8::Function>()); |
| 3043 | return Utils::ToLocal(i::Handle<i::JSFunction>::cast(obj)); |
| 3044 | } |
| 3045 | |
| 3046 | |
| 3047 | bool FunctionTemplate::HasInstance(v8::Handle<v8::Value> value) { |
| 3048 | ON_BAILOUT("v8::FunctionTemplate::HasInstanceOf()", return false); |
| 3049 | i::Object* obj = *Utils::OpenHandle(*value); |
| 3050 | return obj->IsInstanceOf(*Utils::OpenHandle(this)); |
| 3051 | } |
| 3052 | |
| 3053 | |
| 3054 | static Local<External> ExternalNewImpl(void* data) { |
| 3055 | return Utils::ToLocal(i::Factory::NewProxy(static_cast<i::Address>(data))); |
| 3056 | } |
| 3057 | |
| 3058 | static void* ExternalValueImpl(i::Handle<i::Object> obj) { |
| 3059 | return reinterpret_cast<void*>(i::Proxy::cast(*obj)->proxy()); |
| 3060 | } |
| 3061 | |
| 3062 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3063 | Local<Value> v8::External::Wrap(void* data) { |
| 3064 | STATIC_ASSERT(sizeof(data) == sizeof(i::Address)); |
| 3065 | LOG_API("External::Wrap"); |
| 3066 | EnsureInitialized("v8::External::Wrap()"); |
| 3067 | ENTER_V8; |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 3068 | i::Object* as_object = reinterpret_cast<i::Object*>(data); |
| 3069 | if (as_object->IsSmi()) { |
| 3070 | return Utils::ToLocal(i::Handle<i::Object>(as_object)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3071 | } |
| 3072 | return ExternalNewImpl(data); |
| 3073 | } |
| 3074 | |
| 3075 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 3076 | void* v8::Object::SlowGetPointerFromInternalField(int index) { |
| 3077 | i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| 3078 | i::Object* value = obj->GetInternalField(index); |
| 3079 | if (value->IsSmi()) { |
| 3080 | return value; |
| 3081 | } else if (value->IsProxy()) { |
| 3082 | return reinterpret_cast<void*>(i::Proxy::cast(value)->proxy()); |
| 3083 | } else { |
| 3084 | return NULL; |
| 3085 | } |
| 3086 | } |
| 3087 | |
| 3088 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3089 | void* v8::External::FullUnwrap(v8::Handle<v8::Value> wrapper) { |
| 3090 | if (IsDeadCheck("v8::External::Unwrap()")) return 0; |
| 3091 | i::Handle<i::Object> obj = Utils::OpenHandle(*wrapper); |
| 3092 | void* result; |
| 3093 | if (obj->IsSmi()) { |
| 3094 | // The external value was an aligned pointer. |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 3095 | result = *obj; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3096 | } else if (obj->IsProxy()) { |
| 3097 | result = ExternalValueImpl(obj); |
| 3098 | } else { |
| 3099 | result = NULL; |
| 3100 | } |
| 3101 | ASSERT_EQ(result, QuickUnwrap(wrapper)); |
| 3102 | return result; |
| 3103 | } |
| 3104 | |
| 3105 | |
| 3106 | Local<External> v8::External::New(void* data) { |
| 3107 | STATIC_ASSERT(sizeof(data) == sizeof(i::Address)); |
| 3108 | LOG_API("External::New"); |
| 3109 | EnsureInitialized("v8::External::New()"); |
| 3110 | ENTER_V8; |
| 3111 | return ExternalNewImpl(data); |
| 3112 | } |
| 3113 | |
| 3114 | |
| 3115 | void* External::Value() const { |
| 3116 | if (IsDeadCheck("v8::External::Value()")) return 0; |
| 3117 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 3118 | return ExternalValueImpl(obj); |
| 3119 | } |
| 3120 | |
| 3121 | |
| 3122 | Local<String> v8::String::Empty() { |
| 3123 | EnsureInitialized("v8::String::Empty()"); |
| 3124 | LOG_API("String::Empty()"); |
| 3125 | return Utils::ToLocal(i::Factory::empty_symbol()); |
| 3126 | } |
| 3127 | |
| 3128 | |
| 3129 | Local<String> v8::String::New(const char* data, int length) { |
| 3130 | EnsureInitialized("v8::String::New()"); |
| 3131 | LOG_API("String::New(char)"); |
| 3132 | if (length == 0) return Empty(); |
| 3133 | ENTER_V8; |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 3134 | if (length == -1) length = i::StrLength(data); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3135 | i::Handle<i::String> result = |
| 3136 | i::Factory::NewStringFromUtf8(i::Vector<const char>(data, length)); |
| 3137 | return Utils::ToLocal(result); |
| 3138 | } |
| 3139 | |
| 3140 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 3141 | Local<String> v8::String::Concat(Handle<String> left, Handle<String> right) { |
| 3142 | EnsureInitialized("v8::String::New()"); |
| 3143 | LOG_API("String::New(char)"); |
| 3144 | ENTER_V8; |
| 3145 | i::Handle<i::String> left_string = Utils::OpenHandle(*left); |
| 3146 | i::Handle<i::String> right_string = Utils::OpenHandle(*right); |
| 3147 | i::Handle<i::String> result = i::Factory::NewConsString(left_string, |
| 3148 | right_string); |
| 3149 | return Utils::ToLocal(result); |
| 3150 | } |
| 3151 | |
| 3152 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3153 | Local<String> v8::String::NewUndetectable(const char* data, int length) { |
| 3154 | EnsureInitialized("v8::String::NewUndetectable()"); |
| 3155 | LOG_API("String::NewUndetectable(char)"); |
| 3156 | ENTER_V8; |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 3157 | if (length == -1) length = i::StrLength(data); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3158 | i::Handle<i::String> result = |
| 3159 | i::Factory::NewStringFromUtf8(i::Vector<const char>(data, length)); |
| 3160 | result->MarkAsUndetectable(); |
| 3161 | return Utils::ToLocal(result); |
| 3162 | } |
| 3163 | |
| 3164 | |
| 3165 | static int TwoByteStringLength(const uint16_t* data) { |
| 3166 | int length = 0; |
| 3167 | while (data[length] != '\0') length++; |
| 3168 | return length; |
| 3169 | } |
| 3170 | |
| 3171 | |
| 3172 | Local<String> v8::String::New(const uint16_t* data, int length) { |
| 3173 | EnsureInitialized("v8::String::New()"); |
| 3174 | LOG_API("String::New(uint16_)"); |
| 3175 | if (length == 0) return Empty(); |
| 3176 | ENTER_V8; |
| 3177 | if (length == -1) length = TwoByteStringLength(data); |
| 3178 | i::Handle<i::String> result = |
| 3179 | i::Factory::NewStringFromTwoByte(i::Vector<const uint16_t>(data, length)); |
| 3180 | return Utils::ToLocal(result); |
| 3181 | } |
| 3182 | |
| 3183 | |
| 3184 | Local<String> v8::String::NewUndetectable(const uint16_t* data, int length) { |
| 3185 | EnsureInitialized("v8::String::NewUndetectable()"); |
| 3186 | LOG_API("String::NewUndetectable(uint16_)"); |
| 3187 | ENTER_V8; |
| 3188 | if (length == -1) length = TwoByteStringLength(data); |
| 3189 | i::Handle<i::String> result = |
| 3190 | i::Factory::NewStringFromTwoByte(i::Vector<const uint16_t>(data, length)); |
| 3191 | result->MarkAsUndetectable(); |
| 3192 | return Utils::ToLocal(result); |
| 3193 | } |
| 3194 | |
| 3195 | |
| 3196 | i::Handle<i::String> NewExternalStringHandle( |
| 3197 | v8::String::ExternalStringResource* resource) { |
| 3198 | i::Handle<i::String> result = |
| 3199 | i::Factory::NewExternalStringFromTwoByte(resource); |
| 3200 | return result; |
| 3201 | } |
| 3202 | |
| 3203 | |
| 3204 | i::Handle<i::String> NewExternalAsciiStringHandle( |
| 3205 | v8::String::ExternalAsciiStringResource* resource) { |
| 3206 | i::Handle<i::String> result = |
| 3207 | i::Factory::NewExternalStringFromAscii(resource); |
| 3208 | return result; |
| 3209 | } |
| 3210 | |
| 3211 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3212 | Local<String> v8::String::NewExternal( |
| 3213 | v8::String::ExternalStringResource* resource) { |
| 3214 | EnsureInitialized("v8::String::NewExternal()"); |
| 3215 | LOG_API("String::NewExternal"); |
| 3216 | ENTER_V8; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3217 | i::Handle<i::String> result = NewExternalStringHandle(resource); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 3218 | i::ExternalStringTable::AddString(*result); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3219 | return Utils::ToLocal(result); |
| 3220 | } |
| 3221 | |
| 3222 | |
| 3223 | bool v8::String::MakeExternal(v8::String::ExternalStringResource* resource) { |
| 3224 | if (IsDeadCheck("v8::String::MakeExternal()")) return false; |
| 3225 | if (this->IsExternal()) return false; // Already an external string. |
| 3226 | ENTER_V8; |
| 3227 | i::Handle<i::String> obj = Utils::OpenHandle(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3228 | if (StringTracker::IsFreshUnusedString(obj)) return false; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3229 | bool result = obj->MakeExternal(resource); |
| 3230 | if (result && !obj->IsSymbol()) { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 3231 | i::ExternalStringTable::AddString(*obj); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3232 | } |
| 3233 | return result; |
| 3234 | } |
| 3235 | |
| 3236 | |
| 3237 | Local<String> v8::String::NewExternal( |
| 3238 | v8::String::ExternalAsciiStringResource* resource) { |
| 3239 | EnsureInitialized("v8::String::NewExternal()"); |
| 3240 | LOG_API("String::NewExternal"); |
| 3241 | ENTER_V8; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3242 | i::Handle<i::String> result = NewExternalAsciiStringHandle(resource); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 3243 | i::ExternalStringTable::AddString(*result); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3244 | return Utils::ToLocal(result); |
| 3245 | } |
| 3246 | |
| 3247 | |
| 3248 | bool v8::String::MakeExternal( |
| 3249 | v8::String::ExternalAsciiStringResource* resource) { |
| 3250 | if (IsDeadCheck("v8::String::MakeExternal()")) return false; |
| 3251 | if (this->IsExternal()) return false; // Already an external string. |
| 3252 | ENTER_V8; |
| 3253 | i::Handle<i::String> obj = Utils::OpenHandle(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3254 | if (StringTracker::IsFreshUnusedString(obj)) return false; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3255 | bool result = obj->MakeExternal(resource); |
| 3256 | if (result && !obj->IsSymbol()) { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 3257 | i::ExternalStringTable::AddString(*obj); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3258 | } |
| 3259 | return result; |
| 3260 | } |
| 3261 | |
| 3262 | |
| 3263 | bool v8::String::CanMakeExternal() { |
| 3264 | if (IsDeadCheck("v8::String::CanMakeExternal()")) return false; |
| 3265 | i::Handle<i::String> obj = Utils::OpenHandle(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3266 | if (StringTracker::IsFreshUnusedString(obj)) return false; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3267 | int size = obj->Size(); // Byte size of the original string. |
| 3268 | if (size < i::ExternalString::kSize) |
| 3269 | return false; |
| 3270 | i::StringShape shape(*obj); |
| 3271 | return !shape.IsExternal(); |
| 3272 | } |
| 3273 | |
| 3274 | |
| 3275 | Local<v8::Object> v8::Object::New() { |
| 3276 | EnsureInitialized("v8::Object::New()"); |
| 3277 | LOG_API("Object::New"); |
| 3278 | ENTER_V8; |
| 3279 | i::Handle<i::JSObject> obj = |
| 3280 | i::Factory::NewJSObject(i::Top::object_function()); |
| 3281 | return Utils::ToLocal(obj); |
| 3282 | } |
| 3283 | |
| 3284 | |
| 3285 | Local<v8::Value> v8::Date::New(double time) { |
| 3286 | EnsureInitialized("v8::Date::New()"); |
| 3287 | LOG_API("Date::New"); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 3288 | if (isnan(time)) { |
| 3289 | // Introduce only canonical NaN value into the VM, to avoid signaling NaNs. |
| 3290 | time = i::OS::nan_value(); |
| 3291 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3292 | ENTER_V8; |
| 3293 | EXCEPTION_PREAMBLE(); |
| 3294 | i::Handle<i::Object> obj = |
| 3295 | i::Execution::NewDate(time, &has_pending_exception); |
| 3296 | EXCEPTION_BAILOUT_CHECK(Local<v8::Value>()); |
| 3297 | return Utils::ToLocal(obj); |
| 3298 | } |
| 3299 | |
| 3300 | |
| 3301 | double v8::Date::NumberValue() const { |
| 3302 | if (IsDeadCheck("v8::Date::NumberValue()")) return 0; |
| 3303 | LOG_API("Date::NumberValue"); |
| 3304 | i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| 3305 | i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj); |
| 3306 | return jsvalue->value()->Number(); |
| 3307 | } |
| 3308 | |
| 3309 | |
| 3310 | Local<v8::Array> v8::Array::New(int length) { |
| 3311 | EnsureInitialized("v8::Array::New()"); |
| 3312 | LOG_API("Array::New"); |
| 3313 | ENTER_V8; |
| 3314 | i::Handle<i::JSArray> obj = i::Factory::NewJSArray(length); |
| 3315 | return Utils::ToLocal(obj); |
| 3316 | } |
| 3317 | |
| 3318 | |
| 3319 | uint32_t v8::Array::Length() const { |
| 3320 | if (IsDeadCheck("v8::Array::Length()")) return 0; |
| 3321 | i::Handle<i::JSArray> obj = Utils::OpenHandle(this); |
| 3322 | i::Object* length = obj->length(); |
| 3323 | if (length->IsSmi()) { |
| 3324 | return i::Smi::cast(length)->value(); |
| 3325 | } else { |
| 3326 | return static_cast<uint32_t>(length->Number()); |
| 3327 | } |
| 3328 | } |
| 3329 | |
| 3330 | |
| 3331 | Local<Object> Array::CloneElementAt(uint32_t index) { |
| 3332 | ON_BAILOUT("v8::Array::CloneElementAt()", return Local<Object>()); |
| 3333 | i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| 3334 | if (!self->HasFastElements()) { |
| 3335 | return Local<Object>(); |
| 3336 | } |
| 3337 | i::FixedArray* elms = i::FixedArray::cast(self->elements()); |
| 3338 | i::Object* paragon = elms->get(index); |
| 3339 | if (!paragon->IsJSObject()) { |
| 3340 | return Local<Object>(); |
| 3341 | } |
| 3342 | i::Handle<i::JSObject> paragon_handle(i::JSObject::cast(paragon)); |
| 3343 | EXCEPTION_PREAMBLE(); |
| 3344 | i::Handle<i::JSObject> result = i::Copy(paragon_handle); |
| 3345 | has_pending_exception = result.is_null(); |
| 3346 | EXCEPTION_BAILOUT_CHECK(Local<Object>()); |
| 3347 | return Utils::ToLocal(result); |
| 3348 | } |
| 3349 | |
| 3350 | |
| 3351 | Local<String> v8::String::NewSymbol(const char* data, int length) { |
| 3352 | EnsureInitialized("v8::String::NewSymbol()"); |
| 3353 | LOG_API("String::NewSymbol(char)"); |
| 3354 | ENTER_V8; |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 3355 | if (length == -1) length = i::StrLength(data); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3356 | i::Handle<i::String> result = |
| 3357 | i::Factory::LookupSymbol(i::Vector<const char>(data, length)); |
| 3358 | return Utils::ToLocal(result); |
| 3359 | } |
| 3360 | |
| 3361 | |
| 3362 | Local<Number> v8::Number::New(double value) { |
| 3363 | EnsureInitialized("v8::Number::New()"); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 3364 | if (isnan(value)) { |
| 3365 | // Introduce only canonical NaN value into the VM, to avoid signaling NaNs. |
| 3366 | value = i::OS::nan_value(); |
| 3367 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3368 | ENTER_V8; |
| 3369 | i::Handle<i::Object> result = i::Factory::NewNumber(value); |
| 3370 | return Utils::NumberToLocal(result); |
| 3371 | } |
| 3372 | |
| 3373 | |
| 3374 | Local<Integer> v8::Integer::New(int32_t value) { |
| 3375 | EnsureInitialized("v8::Integer::New()"); |
| 3376 | if (i::Smi::IsValid(value)) { |
| 3377 | return Utils::IntegerToLocal(i::Handle<i::Object>(i::Smi::FromInt(value))); |
| 3378 | } |
| 3379 | ENTER_V8; |
| 3380 | i::Handle<i::Object> result = i::Factory::NewNumber(value); |
| 3381 | return Utils::IntegerToLocal(result); |
| 3382 | } |
| 3383 | |
| 3384 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 3385 | Local<Integer> Integer::NewFromUnsigned(uint32_t value) { |
| 3386 | bool fits_into_int32_t = (value & (1 << 31)) == 0; |
| 3387 | if (fits_into_int32_t) { |
| 3388 | return Integer::New(static_cast<int32_t>(value)); |
| 3389 | } |
| 3390 | ENTER_V8; |
| 3391 | i::Handle<i::Object> result = i::Factory::NewNumber(value); |
| 3392 | return Utils::IntegerToLocal(result); |
| 3393 | } |
| 3394 | |
| 3395 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3396 | void V8::IgnoreOutOfMemoryException() { |
| 3397 | thread_local.set_ignore_out_of_memory(true); |
| 3398 | } |
| 3399 | |
| 3400 | |
| 3401 | bool V8::AddMessageListener(MessageCallback that, Handle<Value> data) { |
| 3402 | EnsureInitialized("v8::V8::AddMessageListener()"); |
| 3403 | ON_BAILOUT("v8::V8::AddMessageListener()", return false); |
| 3404 | ENTER_V8; |
| 3405 | HandleScope scope; |
| 3406 | NeanderArray listeners(i::Factory::message_listeners()); |
| 3407 | NeanderObject obj(2); |
| 3408 | obj.set(0, *i::Factory::NewProxy(FUNCTION_ADDR(that))); |
| 3409 | obj.set(1, data.IsEmpty() ? |
| 3410 | i::Heap::undefined_value() : |
| 3411 | *Utils::OpenHandle(*data)); |
| 3412 | listeners.add(obj.value()); |
| 3413 | return true; |
| 3414 | } |
| 3415 | |
| 3416 | |
| 3417 | void V8::RemoveMessageListeners(MessageCallback that) { |
| 3418 | EnsureInitialized("v8::V8::RemoveMessageListener()"); |
| 3419 | ON_BAILOUT("v8::V8::RemoveMessageListeners()", return); |
| 3420 | ENTER_V8; |
| 3421 | HandleScope scope; |
| 3422 | NeanderArray listeners(i::Factory::message_listeners()); |
| 3423 | for (int i = 0; i < listeners.length(); i++) { |
| 3424 | if (listeners.get(i)->IsUndefined()) continue; // skip deleted ones |
| 3425 | |
| 3426 | NeanderObject listener(i::JSObject::cast(listeners.get(i))); |
| 3427 | i::Handle<i::Proxy> callback_obj(i::Proxy::cast(listener.get(0))); |
| 3428 | if (callback_obj->proxy() == FUNCTION_ADDR(that)) { |
| 3429 | listeners.set(i, i::Heap::undefined_value()); |
| 3430 | } |
| 3431 | } |
| 3432 | } |
| 3433 | |
| 3434 | |
| 3435 | void V8::SetCounterFunction(CounterLookupCallback callback) { |
| 3436 | if (IsDeadCheck("v8::V8::SetCounterFunction()")) return; |
| 3437 | i::StatsTable::SetCounterFunction(callback); |
| 3438 | } |
| 3439 | |
| 3440 | void V8::SetCreateHistogramFunction(CreateHistogramCallback callback) { |
| 3441 | if (IsDeadCheck("v8::V8::SetCreateHistogramFunction()")) return; |
| 3442 | i::StatsTable::SetCreateHistogramFunction(callback); |
| 3443 | } |
| 3444 | |
| 3445 | void V8::SetAddHistogramSampleFunction(AddHistogramSampleCallback callback) { |
| 3446 | if (IsDeadCheck("v8::V8::SetAddHistogramSampleFunction()")) return; |
| 3447 | i::StatsTable::SetAddHistogramSampleFunction(callback); |
| 3448 | } |
| 3449 | |
| 3450 | void V8::EnableSlidingStateWindow() { |
| 3451 | if (IsDeadCheck("v8::V8::EnableSlidingStateWindow()")) return; |
| 3452 | i::Logger::EnableSlidingStateWindow(); |
| 3453 | } |
| 3454 | |
| 3455 | |
| 3456 | void V8::SetFailedAccessCheckCallbackFunction( |
| 3457 | FailedAccessCheckCallback callback) { |
| 3458 | if (IsDeadCheck("v8::V8::SetFailedAccessCheckCallbackFunction()")) return; |
| 3459 | i::Top::SetFailedAccessCheckCallback(callback); |
| 3460 | } |
| 3461 | |
| 3462 | |
| 3463 | void V8::AddObjectGroup(Persistent<Value>* objects, size_t length) { |
| 3464 | if (IsDeadCheck("v8::V8::AddObjectGroup()")) return; |
| 3465 | STATIC_ASSERT(sizeof(Persistent<Value>) == sizeof(i::Object**)); |
| 3466 | i::GlobalHandles::AddGroup(reinterpret_cast<i::Object***>(objects), length); |
| 3467 | } |
| 3468 | |
| 3469 | |
| 3470 | int V8::AdjustAmountOfExternalAllocatedMemory(int change_in_bytes) { |
| 3471 | if (IsDeadCheck("v8::V8::AdjustAmountOfExternalAllocatedMemory()")) return 0; |
| 3472 | return i::Heap::AdjustAmountOfExternalAllocatedMemory(change_in_bytes); |
| 3473 | } |
| 3474 | |
| 3475 | |
| 3476 | void V8::SetGlobalGCPrologueCallback(GCCallback callback) { |
| 3477 | if (IsDeadCheck("v8::V8::SetGlobalGCPrologueCallback()")) return; |
| 3478 | i::Heap::SetGlobalGCPrologueCallback(callback); |
| 3479 | } |
| 3480 | |
| 3481 | |
| 3482 | void V8::SetGlobalGCEpilogueCallback(GCCallback callback) { |
| 3483 | if (IsDeadCheck("v8::V8::SetGlobalGCEpilogueCallback()")) return; |
| 3484 | i::Heap::SetGlobalGCEpilogueCallback(callback); |
| 3485 | } |
| 3486 | |
| 3487 | |
| 3488 | void V8::PauseProfiler() { |
| 3489 | #ifdef ENABLE_LOGGING_AND_PROFILING |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3490 | PauseProfilerEx(PROFILER_MODULE_CPU); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3491 | #endif |
| 3492 | } |
| 3493 | |
| 3494 | |
| 3495 | void V8::ResumeProfiler() { |
| 3496 | #ifdef ENABLE_LOGGING_AND_PROFILING |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3497 | ResumeProfilerEx(PROFILER_MODULE_CPU); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3498 | #endif |
| 3499 | } |
| 3500 | |
| 3501 | |
| 3502 | bool V8::IsProfilerPaused() { |
| 3503 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3504 | return i::Logger::GetActiveProfilerModules() & PROFILER_MODULE_CPU; |
| 3505 | #else |
| 3506 | return true; |
| 3507 | #endif |
| 3508 | } |
| 3509 | |
| 3510 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3511 | void V8::ResumeProfilerEx(int flags, int tag) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3512 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3513 | if (flags & PROFILER_MODULE_HEAP_SNAPSHOT) { |
| 3514 | // Snapshot mode: resume modules, perform GC, then pause only |
| 3515 | // those modules which haven't been started prior to making a |
| 3516 | // snapshot. |
| 3517 | |
| 3518 | // Reset snapshot flag and CPU module flags. |
| 3519 | flags &= ~(PROFILER_MODULE_HEAP_SNAPSHOT | PROFILER_MODULE_CPU); |
| 3520 | const int current_flags = i::Logger::GetActiveProfilerModules(); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3521 | i::Logger::ResumeProfiler(flags, tag); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3522 | i::Heap::CollectAllGarbage(false); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3523 | i::Logger::PauseProfiler(~current_flags & flags, tag); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3524 | } else { |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3525 | i::Logger::ResumeProfiler(flags, tag); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3526 | } |
| 3527 | #endif |
| 3528 | } |
| 3529 | |
| 3530 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3531 | void V8::PauseProfilerEx(int flags, int tag) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3532 | #ifdef ENABLE_LOGGING_AND_PROFILING |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3533 | i::Logger::PauseProfiler(flags, tag); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3534 | #endif |
| 3535 | } |
| 3536 | |
| 3537 | |
| 3538 | int V8::GetActiveProfilerModules() { |
| 3539 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3540 | return i::Logger::GetActiveProfilerModules(); |
| 3541 | #else |
| 3542 | return PROFILER_MODULE_NONE; |
| 3543 | #endif |
| 3544 | } |
| 3545 | |
| 3546 | |
| 3547 | int V8::GetLogLines(int from_pos, char* dest_buf, int max_size) { |
| 3548 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 3549 | return i::Logger::GetLogLines(from_pos, dest_buf, max_size); |
| 3550 | #endif |
| 3551 | return 0; |
| 3552 | } |
| 3553 | |
| 3554 | |
| 3555 | int V8::GetCurrentThreadId() { |
| 3556 | API_ENTRY_CHECK("V8::GetCurrentThreadId()"); |
| 3557 | EnsureInitialized("V8::GetCurrentThreadId()"); |
| 3558 | return i::Top::thread_id(); |
| 3559 | } |
| 3560 | |
| 3561 | |
| 3562 | void V8::TerminateExecution(int thread_id) { |
| 3563 | if (!i::V8::IsRunning()) return; |
| 3564 | API_ENTRY_CHECK("V8::GetCurrentThreadId()"); |
| 3565 | // If the thread_id identifies the current thread just terminate |
| 3566 | // execution right away. Otherwise, ask the thread manager to |
| 3567 | // terminate the thread with the given id if any. |
| 3568 | if (thread_id == i::Top::thread_id()) { |
| 3569 | i::StackGuard::TerminateExecution(); |
| 3570 | } else { |
| 3571 | i::ThreadManager::TerminateExecution(thread_id); |
| 3572 | } |
| 3573 | } |
| 3574 | |
| 3575 | |
| 3576 | void V8::TerminateExecution() { |
| 3577 | if (!i::V8::IsRunning()) return; |
| 3578 | i::StackGuard::TerminateExecution(); |
| 3579 | } |
| 3580 | |
| 3581 | |
| 3582 | String::Utf8Value::Utf8Value(v8::Handle<v8::Value> obj) { |
| 3583 | EnsureInitialized("v8::String::Utf8Value::Utf8Value()"); |
| 3584 | if (obj.IsEmpty()) { |
| 3585 | str_ = NULL; |
| 3586 | length_ = 0; |
| 3587 | return; |
| 3588 | } |
| 3589 | ENTER_V8; |
| 3590 | HandleScope scope; |
| 3591 | TryCatch try_catch; |
| 3592 | Handle<String> str = obj->ToString(); |
| 3593 | if (str.IsEmpty()) { |
| 3594 | str_ = NULL; |
| 3595 | length_ = 0; |
| 3596 | } else { |
| 3597 | length_ = str->Utf8Length(); |
| 3598 | str_ = i::NewArray<char>(length_ + 1); |
| 3599 | str->WriteUtf8(str_); |
| 3600 | } |
| 3601 | } |
| 3602 | |
| 3603 | |
| 3604 | String::Utf8Value::~Utf8Value() { |
| 3605 | i::DeleteArray(str_); |
| 3606 | } |
| 3607 | |
| 3608 | |
| 3609 | String::AsciiValue::AsciiValue(v8::Handle<v8::Value> obj) { |
| 3610 | EnsureInitialized("v8::String::AsciiValue::AsciiValue()"); |
| 3611 | if (obj.IsEmpty()) { |
| 3612 | str_ = NULL; |
| 3613 | length_ = 0; |
| 3614 | return; |
| 3615 | } |
| 3616 | ENTER_V8; |
| 3617 | HandleScope scope; |
| 3618 | TryCatch try_catch; |
| 3619 | Handle<String> str = obj->ToString(); |
| 3620 | if (str.IsEmpty()) { |
| 3621 | str_ = NULL; |
| 3622 | length_ = 0; |
| 3623 | } else { |
| 3624 | length_ = str->Length(); |
| 3625 | str_ = i::NewArray<char>(length_ + 1); |
| 3626 | str->WriteAscii(str_); |
| 3627 | } |
| 3628 | } |
| 3629 | |
| 3630 | |
| 3631 | String::AsciiValue::~AsciiValue() { |
| 3632 | i::DeleteArray(str_); |
| 3633 | } |
| 3634 | |
| 3635 | |
| 3636 | String::Value::Value(v8::Handle<v8::Value> obj) { |
| 3637 | EnsureInitialized("v8::String::Value::Value()"); |
| 3638 | if (obj.IsEmpty()) { |
| 3639 | str_ = NULL; |
| 3640 | length_ = 0; |
| 3641 | return; |
| 3642 | } |
| 3643 | ENTER_V8; |
| 3644 | HandleScope scope; |
| 3645 | TryCatch try_catch; |
| 3646 | Handle<String> str = obj->ToString(); |
| 3647 | if (str.IsEmpty()) { |
| 3648 | str_ = NULL; |
| 3649 | length_ = 0; |
| 3650 | } else { |
| 3651 | length_ = str->Length(); |
| 3652 | str_ = i::NewArray<uint16_t>(length_ + 1); |
| 3653 | str->Write(str_); |
| 3654 | } |
| 3655 | } |
| 3656 | |
| 3657 | |
| 3658 | String::Value::~Value() { |
| 3659 | i::DeleteArray(str_); |
| 3660 | } |
| 3661 | |
| 3662 | Local<Value> Exception::RangeError(v8::Handle<v8::String> raw_message) { |
| 3663 | LOG_API("RangeError"); |
| 3664 | ON_BAILOUT("v8::Exception::RangeError()", return Local<Value>()); |
| 3665 | ENTER_V8; |
| 3666 | i::Object* error; |
| 3667 | { |
| 3668 | HandleScope scope; |
| 3669 | i::Handle<i::String> message = Utils::OpenHandle(*raw_message); |
| 3670 | i::Handle<i::Object> result = i::Factory::NewRangeError(message); |
| 3671 | error = *result; |
| 3672 | } |
| 3673 | i::Handle<i::Object> result(error); |
| 3674 | return Utils::ToLocal(result); |
| 3675 | } |
| 3676 | |
| 3677 | Local<Value> Exception::ReferenceError(v8::Handle<v8::String> raw_message) { |
| 3678 | LOG_API("ReferenceError"); |
| 3679 | ON_BAILOUT("v8::Exception::ReferenceError()", return Local<Value>()); |
| 3680 | ENTER_V8; |
| 3681 | i::Object* error; |
| 3682 | { |
| 3683 | HandleScope scope; |
| 3684 | i::Handle<i::String> message = Utils::OpenHandle(*raw_message); |
| 3685 | i::Handle<i::Object> result = i::Factory::NewReferenceError(message); |
| 3686 | error = *result; |
| 3687 | } |
| 3688 | i::Handle<i::Object> result(error); |
| 3689 | return Utils::ToLocal(result); |
| 3690 | } |
| 3691 | |
| 3692 | Local<Value> Exception::SyntaxError(v8::Handle<v8::String> raw_message) { |
| 3693 | LOG_API("SyntaxError"); |
| 3694 | ON_BAILOUT("v8::Exception::SyntaxError()", return Local<Value>()); |
| 3695 | ENTER_V8; |
| 3696 | i::Object* error; |
| 3697 | { |
| 3698 | HandleScope scope; |
| 3699 | i::Handle<i::String> message = Utils::OpenHandle(*raw_message); |
| 3700 | i::Handle<i::Object> result = i::Factory::NewSyntaxError(message); |
| 3701 | error = *result; |
| 3702 | } |
| 3703 | i::Handle<i::Object> result(error); |
| 3704 | return Utils::ToLocal(result); |
| 3705 | } |
| 3706 | |
| 3707 | Local<Value> Exception::TypeError(v8::Handle<v8::String> raw_message) { |
| 3708 | LOG_API("TypeError"); |
| 3709 | ON_BAILOUT("v8::Exception::TypeError()", return Local<Value>()); |
| 3710 | ENTER_V8; |
| 3711 | i::Object* error; |
| 3712 | { |
| 3713 | HandleScope scope; |
| 3714 | i::Handle<i::String> message = Utils::OpenHandle(*raw_message); |
| 3715 | i::Handle<i::Object> result = i::Factory::NewTypeError(message); |
| 3716 | error = *result; |
| 3717 | } |
| 3718 | i::Handle<i::Object> result(error); |
| 3719 | return Utils::ToLocal(result); |
| 3720 | } |
| 3721 | |
| 3722 | Local<Value> Exception::Error(v8::Handle<v8::String> raw_message) { |
| 3723 | LOG_API("Error"); |
| 3724 | ON_BAILOUT("v8::Exception::Error()", return Local<Value>()); |
| 3725 | ENTER_V8; |
| 3726 | i::Object* error; |
| 3727 | { |
| 3728 | HandleScope scope; |
| 3729 | i::Handle<i::String> message = Utils::OpenHandle(*raw_message); |
| 3730 | i::Handle<i::Object> result = i::Factory::NewError(message); |
| 3731 | error = *result; |
| 3732 | } |
| 3733 | i::Handle<i::Object> result(error); |
| 3734 | return Utils::ToLocal(result); |
| 3735 | } |
| 3736 | |
| 3737 | |
| 3738 | // --- D e b u g S u p p o r t --- |
| 3739 | |
| 3740 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 3741 | bool Debug::SetDebugEventListener(EventCallback that, Handle<Value> data) { |
| 3742 | EnsureInitialized("v8::Debug::SetDebugEventListener()"); |
| 3743 | ON_BAILOUT("v8::Debug::SetDebugEventListener()", return false); |
| 3744 | ENTER_V8; |
| 3745 | HandleScope scope; |
| 3746 | i::Handle<i::Object> proxy = i::Factory::undefined_value(); |
| 3747 | if (that != NULL) { |
| 3748 | proxy = i::Factory::NewProxy(FUNCTION_ADDR(that)); |
| 3749 | } |
| 3750 | i::Debugger::SetEventListener(proxy, Utils::OpenHandle(*data)); |
| 3751 | return true; |
| 3752 | } |
| 3753 | |
| 3754 | |
| 3755 | bool Debug::SetDebugEventListener(v8::Handle<v8::Object> that, |
| 3756 | Handle<Value> data) { |
| 3757 | ON_BAILOUT("v8::Debug::SetDebugEventListener()", return false); |
| 3758 | ENTER_V8; |
| 3759 | i::Debugger::SetEventListener(Utils::OpenHandle(*that), |
| 3760 | Utils::OpenHandle(*data)); |
| 3761 | return true; |
| 3762 | } |
| 3763 | |
| 3764 | |
| 3765 | void Debug::DebugBreak() { |
| 3766 | if (!i::V8::IsRunning()) return; |
| 3767 | i::StackGuard::DebugBreak(); |
| 3768 | } |
| 3769 | |
| 3770 | |
| 3771 | static v8::Debug::MessageHandler message_handler = NULL; |
| 3772 | |
| 3773 | static void MessageHandlerWrapper(const v8::Debug::Message& message) { |
| 3774 | if (message_handler) { |
| 3775 | v8::String::Value json(message.GetJSON()); |
| 3776 | message_handler(*json, json.length(), message.GetClientData()); |
| 3777 | } |
| 3778 | } |
| 3779 | |
| 3780 | |
| 3781 | void Debug::SetMessageHandler(v8::Debug::MessageHandler handler, |
| 3782 | bool message_handler_thread) { |
| 3783 | EnsureInitialized("v8::Debug::SetMessageHandler"); |
| 3784 | ENTER_V8; |
| 3785 | // Message handler thread not supported any more. Parameter temporally left in |
| 3786 | // the API for client compatability reasons. |
| 3787 | CHECK(!message_handler_thread); |
| 3788 | |
| 3789 | // TODO(sgjesse) support the old message handler API through a simple wrapper. |
| 3790 | message_handler = handler; |
| 3791 | if (message_handler != NULL) { |
| 3792 | i::Debugger::SetMessageHandler(MessageHandlerWrapper); |
| 3793 | } else { |
| 3794 | i::Debugger::SetMessageHandler(NULL); |
| 3795 | } |
| 3796 | } |
| 3797 | |
| 3798 | |
| 3799 | void Debug::SetMessageHandler2(v8::Debug::MessageHandler2 handler) { |
| 3800 | EnsureInitialized("v8::Debug::SetMessageHandler"); |
| 3801 | ENTER_V8; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3802 | i::Debugger::SetMessageHandler(handler); |
| 3803 | } |
| 3804 | |
| 3805 | |
| 3806 | void Debug::SendCommand(const uint16_t* command, int length, |
| 3807 | ClientData* client_data) { |
| 3808 | if (!i::V8::IsRunning()) return; |
| 3809 | i::Debugger::ProcessCommand(i::Vector<const uint16_t>(command, length), |
| 3810 | client_data); |
| 3811 | } |
| 3812 | |
| 3813 | |
| 3814 | void Debug::SetHostDispatchHandler(HostDispatchHandler handler, |
| 3815 | int period) { |
| 3816 | EnsureInitialized("v8::Debug::SetHostDispatchHandler"); |
| 3817 | ENTER_V8; |
| 3818 | i::Debugger::SetHostDispatchHandler(handler, period); |
| 3819 | } |
| 3820 | |
| 3821 | |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 3822 | void Debug::SetDebugMessageDispatchHandler( |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 3823 | DebugMessageDispatchHandler handler, bool provide_locker) { |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 3824 | EnsureInitialized("v8::Debug::SetDebugMessageDispatchHandler"); |
| 3825 | ENTER_V8; |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 3826 | i::Debugger::SetDebugMessageDispatchHandler(handler, provide_locker); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 3827 | } |
| 3828 | |
| 3829 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3830 | Local<Value> Debug::Call(v8::Handle<v8::Function> fun, |
| 3831 | v8::Handle<v8::Value> data) { |
| 3832 | if (!i::V8::IsRunning()) return Local<Value>(); |
| 3833 | ON_BAILOUT("v8::Debug::Call()", return Local<Value>()); |
| 3834 | ENTER_V8; |
| 3835 | i::Handle<i::Object> result; |
| 3836 | EXCEPTION_PREAMBLE(); |
| 3837 | if (data.IsEmpty()) { |
| 3838 | result = i::Debugger::Call(Utils::OpenHandle(*fun), |
| 3839 | i::Factory::undefined_value(), |
| 3840 | &has_pending_exception); |
| 3841 | } else { |
| 3842 | result = i::Debugger::Call(Utils::OpenHandle(*fun), |
| 3843 | Utils::OpenHandle(*data), |
| 3844 | &has_pending_exception); |
| 3845 | } |
| 3846 | EXCEPTION_BAILOUT_CHECK(Local<Value>()); |
| 3847 | return Utils::ToLocal(result); |
| 3848 | } |
| 3849 | |
| 3850 | |
| 3851 | Local<Value> Debug::GetMirror(v8::Handle<v8::Value> obj) { |
| 3852 | if (!i::V8::IsRunning()) return Local<Value>(); |
| 3853 | ON_BAILOUT("v8::Debug::GetMirror()", return Local<Value>()); |
| 3854 | ENTER_V8; |
| 3855 | v8::HandleScope scope; |
| 3856 | i::Debug::Load(); |
| 3857 | i::Handle<i::JSObject> debug(i::Debug::debug_context()->global()); |
| 3858 | i::Handle<i::String> name = i::Factory::LookupAsciiSymbol("MakeMirror"); |
| 3859 | i::Handle<i::Object> fun_obj = i::GetProperty(debug, name); |
| 3860 | i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(fun_obj); |
| 3861 | v8::Handle<v8::Function> v8_fun = Utils::ToLocal(fun); |
| 3862 | const int kArgc = 1; |
| 3863 | v8::Handle<v8::Value> argv[kArgc] = { obj }; |
| 3864 | EXCEPTION_PREAMBLE(); |
| 3865 | v8::Handle<v8::Value> result = v8_fun->Call(Utils::ToLocal(debug), |
| 3866 | kArgc, |
| 3867 | argv); |
| 3868 | EXCEPTION_BAILOUT_CHECK(Local<Value>()); |
| 3869 | return scope.Close(result); |
| 3870 | } |
| 3871 | |
| 3872 | |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 3873 | bool Debug::EnableAgent(const char* name, int port, bool wait_for_connection) { |
| 3874 | return i::Debugger::StartAgent(name, port, wait_for_connection); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3875 | } |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 3876 | |
| 3877 | void Debug::ProcessDebugMessages() { |
| 3878 | i::Execution::ProcessDebugMesssages(true); |
| 3879 | } |
| 3880 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3881 | #endif // ENABLE_DEBUGGER_SUPPORT |
| 3882 | |
| 3883 | namespace internal { |
| 3884 | |
| 3885 | |
| 3886 | HandleScopeImplementer* HandleScopeImplementer::instance() { |
| 3887 | return &thread_local; |
| 3888 | } |
| 3889 | |
| 3890 | |
| 3891 | void HandleScopeImplementer::FreeThreadResources() { |
| 3892 | thread_local.Free(); |
| 3893 | } |
| 3894 | |
| 3895 | |
| 3896 | char* HandleScopeImplementer::ArchiveThread(char* storage) { |
| 3897 | return thread_local.ArchiveThreadHelper(storage); |
| 3898 | } |
| 3899 | |
| 3900 | |
| 3901 | char* HandleScopeImplementer::ArchiveThreadHelper(char* storage) { |
| 3902 | v8::ImplementationUtilities::HandleScopeData* current = |
| 3903 | v8::ImplementationUtilities::CurrentHandleScope(); |
| 3904 | handle_scope_data_ = *current; |
| 3905 | memcpy(storage, this, sizeof(*this)); |
| 3906 | |
| 3907 | ResetAfterArchive(); |
| 3908 | current->Initialize(); |
| 3909 | |
| 3910 | return storage + ArchiveSpacePerThread(); |
| 3911 | } |
| 3912 | |
| 3913 | |
| 3914 | int HandleScopeImplementer::ArchiveSpacePerThread() { |
| 3915 | return sizeof(thread_local); |
| 3916 | } |
| 3917 | |
| 3918 | |
| 3919 | char* HandleScopeImplementer::RestoreThread(char* storage) { |
| 3920 | return thread_local.RestoreThreadHelper(storage); |
| 3921 | } |
| 3922 | |
| 3923 | |
| 3924 | char* HandleScopeImplementer::RestoreThreadHelper(char* storage) { |
| 3925 | memcpy(this, storage, sizeof(*this)); |
| 3926 | *v8::ImplementationUtilities::CurrentHandleScope() = handle_scope_data_; |
| 3927 | return storage + ArchiveSpacePerThread(); |
| 3928 | } |
| 3929 | |
| 3930 | |
| 3931 | void HandleScopeImplementer::IterateThis(ObjectVisitor* v) { |
| 3932 | // Iterate over all handles in the blocks except for the last. |
| 3933 | for (int i = blocks()->length() - 2; i >= 0; --i) { |
| 3934 | Object** block = blocks()->at(i); |
| 3935 | v->VisitPointers(block, &block[kHandleBlockSize]); |
| 3936 | } |
| 3937 | |
| 3938 | // Iterate over live handles in the last block (if any). |
| 3939 | if (!blocks()->is_empty()) { |
| 3940 | v->VisitPointers(blocks()->last(), handle_scope_data_.next); |
| 3941 | } |
| 3942 | |
| 3943 | if (!saved_contexts_.is_empty()) { |
| 3944 | Object** start = reinterpret_cast<Object**>(&saved_contexts_.first()); |
| 3945 | v->VisitPointers(start, start + saved_contexts_.length()); |
| 3946 | } |
| 3947 | } |
| 3948 | |
| 3949 | |
| 3950 | void HandleScopeImplementer::Iterate(ObjectVisitor* v) { |
| 3951 | v8::ImplementationUtilities::HandleScopeData* current = |
| 3952 | v8::ImplementationUtilities::CurrentHandleScope(); |
| 3953 | thread_local.handle_scope_data_ = *current; |
| 3954 | thread_local.IterateThis(v); |
| 3955 | } |
| 3956 | |
| 3957 | |
| 3958 | char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) { |
| 3959 | HandleScopeImplementer* thread_local = |
| 3960 | reinterpret_cast<HandleScopeImplementer*>(storage); |
| 3961 | thread_local->IterateThis(v); |
| 3962 | return storage + ArchiveSpacePerThread(); |
| 3963 | } |
| 3964 | |
| 3965 | } } // namespace v8::internal |