| OLD | NEW |
| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/builtins/builtins.h" | 5 #include "src/builtins/builtins.h" |
| 6 #include "src/builtins/builtins-utils.h" | 6 #include "src/code-events.h" |
| 7 | 7 #include "src/code-stub-assembler.h" |
| 8 #include "src/api-arguments.h" | 8 #include "src/ic/ic-state.h" |
| 9 #include "src/api-natives.h" | 9 #include "src/interface-descriptors.h" |
| 10 #include "src/code-factory.h" | 10 #include "src/isolate.h" |
| 11 #include "src/ic/handler-compiler.h" | 11 #include "src/macro-assembler.h" |
| 12 #include "src/ic/ic.h" | 12 #include "src/objects.h" |
| 13 #include "src/vm-state-inl.h" | |
| 14 | 13 |
| 15 namespace v8 { | 14 namespace v8 { |
| 16 namespace internal { | 15 namespace internal { |
| 17 | 16 |
| 18 // Forward declarations for C++ builtins. | 17 // Forward declarations for C++ builtins. |
| 19 #define FORWARD_DECLARE(Name) \ | 18 #define FORWARD_DECLARE(Name) \ |
| 20 Object* Builtin_##Name(int argc, Object** args, Isolate* isolate); | 19 Object* Builtin_##Name(int argc, Object** args, Isolate* isolate); |
| 21 BUILTIN_LIST_C(FORWARD_DECLARE) | 20 BUILTIN_LIST_C(FORWARD_DECLARE) |
| 22 #undef FORWARD_DECLARE | |
| 23 | |
| 24 // ----------------------------------------------------------------------------- | |
| 25 // ES6 section 19.2 Function Objects | |
| 26 | |
| 27 // ES6 section 19.2.3.6 Function.prototype [ @@hasInstance ] ( V ) | |
| 28 void Builtins::Generate_FunctionPrototypeHasInstance( | |
| 29 CodeStubAssembler* assembler) { | |
| 30 using compiler::Node; | |
| 31 | |
| 32 Node* f = assembler->Parameter(0); | |
| 33 Node* v = assembler->Parameter(1); | |
| 34 Node* context = assembler->Parameter(4); | |
| 35 Node* result = assembler->OrdinaryHasInstance(context, f, v); | |
| 36 assembler->Return(result); | |
| 37 } | |
| 38 | |
| 39 // ----------------------------------------------------------------------------- | |
| 40 // ES6 section 25.3 Generator Objects | |
| 41 | |
| 42 namespace { | |
| 43 | |
| 44 void Generate_GeneratorPrototypeResume( | |
| 45 CodeStubAssembler* assembler, JSGeneratorObject::ResumeMode resume_mode, | |
| 46 char const* const method_name) { | |
| 47 typedef CodeStubAssembler::Label Label; | |
| 48 typedef compiler::Node Node; | |
| 49 | |
| 50 Node* receiver = assembler->Parameter(0); | |
| 51 Node* value = assembler->Parameter(1); | |
| 52 Node* context = assembler->Parameter(4); | |
| 53 Node* closed = | |
| 54 assembler->SmiConstant(Smi::FromInt(JSGeneratorObject::kGeneratorClosed)); | |
| 55 | |
| 56 // Check if the {receiver} is actually a JSGeneratorObject. | |
| 57 Label if_receiverisincompatible(assembler, Label::kDeferred); | |
| 58 assembler->GotoIf(assembler->WordIsSmi(receiver), &if_receiverisincompatible); | |
| 59 Node* receiver_instance_type = assembler->LoadInstanceType(receiver); | |
| 60 assembler->GotoUnless(assembler->Word32Equal( | |
| 61 receiver_instance_type, | |
| 62 assembler->Int32Constant(JS_GENERATOR_OBJECT_TYPE)), | |
| 63 &if_receiverisincompatible); | |
| 64 | |
| 65 // Check if the {receiver} is running or already closed. | |
| 66 Node* receiver_continuation = assembler->LoadObjectField( | |
| 67 receiver, JSGeneratorObject::kContinuationOffset); | |
| 68 Label if_receiverisclosed(assembler, Label::kDeferred), | |
| 69 if_receiverisrunning(assembler, Label::kDeferred); | |
| 70 assembler->GotoIf(assembler->SmiEqual(receiver_continuation, closed), | |
| 71 &if_receiverisclosed); | |
| 72 DCHECK_LT(JSGeneratorObject::kGeneratorExecuting, | |
| 73 JSGeneratorObject::kGeneratorClosed); | |
| 74 assembler->GotoIf(assembler->SmiLessThan(receiver_continuation, closed), | |
| 75 &if_receiverisrunning); | |
| 76 | |
| 77 // Resume the {receiver} using our trampoline. | |
| 78 Node* result = assembler->CallStub( | |
| 79 CodeFactory::ResumeGenerator(assembler->isolate()), context, value, | |
| 80 receiver, assembler->SmiConstant(Smi::FromInt(resume_mode))); | |
| 81 assembler->Return(result); | |
| 82 | |
| 83 assembler->Bind(&if_receiverisincompatible); | |
| 84 { | |
| 85 // The {receiver} is not a valid JSGeneratorObject. | |
| 86 Node* result = assembler->CallRuntime( | |
| 87 Runtime::kThrowIncompatibleMethodReceiver, context, | |
| 88 assembler->HeapConstant(assembler->factory()->NewStringFromAsciiChecked( | |
| 89 method_name, TENURED)), | |
| 90 receiver); | |
| 91 assembler->Return(result); // Never reached. | |
| 92 } | |
| 93 | |
| 94 assembler->Bind(&if_receiverisclosed); | |
| 95 { | |
| 96 // The {receiver} is closed already. | |
| 97 Node* result = nullptr; | |
| 98 switch (resume_mode) { | |
| 99 case JSGeneratorObject::kNext: | |
| 100 result = assembler->CallRuntime(Runtime::kCreateIterResultObject, | |
| 101 context, assembler->UndefinedConstant(), | |
| 102 assembler->BooleanConstant(true)); | |
| 103 break; | |
| 104 case JSGeneratorObject::kReturn: | |
| 105 result = | |
| 106 assembler->CallRuntime(Runtime::kCreateIterResultObject, context, | |
| 107 value, assembler->BooleanConstant(true)); | |
| 108 break; | |
| 109 case JSGeneratorObject::kThrow: | |
| 110 result = assembler->CallRuntime(Runtime::kThrow, context, value); | |
| 111 break; | |
| 112 } | |
| 113 assembler->Return(result); | |
| 114 } | |
| 115 | |
| 116 assembler->Bind(&if_receiverisrunning); | |
| 117 { | |
| 118 Node* result = | |
| 119 assembler->CallRuntime(Runtime::kThrowGeneratorRunning, context); | |
| 120 assembler->Return(result); // Never reached. | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 } // namespace | |
| 125 | |
| 126 // ES6 section 25.3.1.2 Generator.prototype.next ( value ) | |
| 127 void Builtins::Generate_GeneratorPrototypeNext(CodeStubAssembler* assembler) { | |
| 128 Generate_GeneratorPrototypeResume(assembler, JSGeneratorObject::kNext, | |
| 129 "[Generator].prototype.next"); | |
| 130 } | |
| 131 | |
| 132 // ES6 section 25.3.1.3 Generator.prototype.return ( value ) | |
| 133 void Builtins::Generate_GeneratorPrototypeReturn(CodeStubAssembler* assembler) { | |
| 134 Generate_GeneratorPrototypeResume(assembler, JSGeneratorObject::kReturn, | |
| 135 "[Generator].prototype.return"); | |
| 136 } | |
| 137 | |
| 138 // ES6 section 25.3.1.4 Generator.prototype.throw ( exception ) | |
| 139 void Builtins::Generate_GeneratorPrototypeThrow(CodeStubAssembler* assembler) { | |
| 140 Generate_GeneratorPrototypeResume(assembler, JSGeneratorObject::kThrow, | |
| 141 "[Generator].prototype.throw"); | |
| 142 } | |
| 143 | |
| 144 // ----------------------------------------------------------------------------- | |
| 145 | |
| 146 // | |
| 147 | |
| 148 namespace { | |
| 149 | |
| 150 // Returns the holder JSObject if the function can legally be called with this | |
| 151 // receiver. Returns nullptr if the call is illegal. | |
| 152 // TODO(dcarney): CallOptimization duplicates this logic, merge. | |
| 153 JSObject* GetCompatibleReceiver(Isolate* isolate, FunctionTemplateInfo* info, | |
| 154 JSObject* receiver) { | |
| 155 Object* recv_type = info->signature(); | |
| 156 // No signature, return holder. | |
| 157 if (!recv_type->IsFunctionTemplateInfo()) return receiver; | |
| 158 FunctionTemplateInfo* signature = FunctionTemplateInfo::cast(recv_type); | |
| 159 | |
| 160 // Check the receiver. Fast path for receivers with no hidden prototypes. | |
| 161 if (signature->IsTemplateFor(receiver)) return receiver; | |
| 162 if (!receiver->map()->has_hidden_prototype()) return nullptr; | |
| 163 for (PrototypeIterator iter(isolate, receiver, kStartAtPrototype, | |
| 164 PrototypeIterator::END_AT_NON_HIDDEN); | |
| 165 !iter.IsAtEnd(); iter.Advance()) { | |
| 166 JSObject* current = iter.GetCurrent<JSObject>(); | |
| 167 if (signature->IsTemplateFor(current)) return current; | |
| 168 } | |
| 169 return nullptr; | |
| 170 } | |
| 171 | |
| 172 template <bool is_construct> | |
| 173 MUST_USE_RESULT MaybeHandle<Object> HandleApiCallHelper( | |
| 174 Isolate* isolate, Handle<HeapObject> function, | |
| 175 Handle<HeapObject> new_target, Handle<FunctionTemplateInfo> fun_data, | |
| 176 Handle<Object> receiver, BuiltinArguments args) { | |
| 177 Handle<JSObject> js_receiver; | |
| 178 JSObject* raw_holder; | |
| 179 if (is_construct) { | |
| 180 DCHECK(args.receiver()->IsTheHole(isolate)); | |
| 181 if (fun_data->instance_template()->IsUndefined(isolate)) { | |
| 182 v8::Local<ObjectTemplate> templ = | |
| 183 ObjectTemplate::New(reinterpret_cast<v8::Isolate*>(isolate), | |
| 184 ToApiHandle<v8::FunctionTemplate>(fun_data)); | |
| 185 fun_data->set_instance_template(*Utils::OpenHandle(*templ)); | |
| 186 } | |
| 187 Handle<ObjectTemplateInfo> instance_template( | |
| 188 ObjectTemplateInfo::cast(fun_data->instance_template()), isolate); | |
| 189 ASSIGN_RETURN_ON_EXCEPTION( | |
| 190 isolate, js_receiver, | |
| 191 ApiNatives::InstantiateObject(instance_template, | |
| 192 Handle<JSReceiver>::cast(new_target)), | |
| 193 Object); | |
| 194 args[0] = *js_receiver; | |
| 195 DCHECK_EQ(*js_receiver, *args.receiver()); | |
| 196 | |
| 197 raw_holder = *js_receiver; | |
| 198 } else { | |
| 199 DCHECK(receiver->IsJSReceiver()); | |
| 200 | |
| 201 if (!receiver->IsJSObject()) { | |
| 202 // This function cannot be called with the given receiver. Abort! | |
| 203 THROW_NEW_ERROR( | |
| 204 isolate, NewTypeError(MessageTemplate::kIllegalInvocation), Object); | |
| 205 } | |
| 206 | |
| 207 js_receiver = Handle<JSObject>::cast(receiver); | |
| 208 | |
| 209 if (!fun_data->accept_any_receiver() && | |
| 210 js_receiver->IsAccessCheckNeeded() && | |
| 211 !isolate->MayAccess(handle(isolate->context()), js_receiver)) { | |
| 212 isolate->ReportFailedAccessCheck(js_receiver); | |
| 213 RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, Object); | |
| 214 } | |
| 215 | |
| 216 raw_holder = GetCompatibleReceiver(isolate, *fun_data, *js_receiver); | |
| 217 | |
| 218 if (raw_holder == nullptr) { | |
| 219 // This function cannot be called with the given receiver. Abort! | |
| 220 THROW_NEW_ERROR( | |
| 221 isolate, NewTypeError(MessageTemplate::kIllegalInvocation), Object); | |
| 222 } | |
| 223 } | |
| 224 | |
| 225 Object* raw_call_data = fun_data->call_code(); | |
| 226 if (!raw_call_data->IsUndefined(isolate)) { | |
| 227 DCHECK(raw_call_data->IsCallHandlerInfo()); | |
| 228 CallHandlerInfo* call_data = CallHandlerInfo::cast(raw_call_data); | |
| 229 Object* callback_obj = call_data->callback(); | |
| 230 v8::FunctionCallback callback = | |
| 231 v8::ToCData<v8::FunctionCallback>(callback_obj); | |
| 232 Object* data_obj = call_data->data(); | |
| 233 | |
| 234 LOG(isolate, ApiObjectAccess("call", JSObject::cast(*js_receiver))); | |
| 235 | |
| 236 FunctionCallbackArguments custom(isolate, data_obj, *function, raw_holder, | |
| 237 *new_target, &args[0] - 1, | |
| 238 args.length() - 1); | |
| 239 | |
| 240 Handle<Object> result = custom.Call(callback); | |
| 241 | |
| 242 RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, Object); | |
| 243 if (result.is_null()) { | |
| 244 if (is_construct) return js_receiver; | |
| 245 return isolate->factory()->undefined_value(); | |
| 246 } | |
| 247 // Rebox the result. | |
| 248 result->VerifyApiCallResultType(); | |
| 249 if (!is_construct || result->IsJSObject()) return handle(*result, isolate); | |
| 250 } | |
| 251 | |
| 252 return js_receiver; | |
| 253 } | |
| 254 | |
| 255 } // namespace | |
| 256 | |
| 257 BUILTIN(HandleApiCall) { | |
| 258 HandleScope scope(isolate); | |
| 259 Handle<JSFunction> function = args.target<JSFunction>(); | |
| 260 Handle<Object> receiver = args.receiver(); | |
| 261 Handle<HeapObject> new_target = args.new_target(); | |
| 262 Handle<FunctionTemplateInfo> fun_data(function->shared()->get_api_func_data(), | |
| 263 isolate); | |
| 264 if (new_target->IsJSReceiver()) { | |
| 265 RETURN_RESULT_OR_FAILURE( | |
| 266 isolate, HandleApiCallHelper<true>(isolate, function, new_target, | |
| 267 fun_data, receiver, args)); | |
| 268 } else { | |
| 269 RETURN_RESULT_OR_FAILURE( | |
| 270 isolate, HandleApiCallHelper<false>(isolate, function, new_target, | |
| 271 fun_data, receiver, args)); | |
| 272 } | |
| 273 } | |
| 274 | |
| 275 Handle<Code> Builtins::CallFunction(ConvertReceiverMode mode, | |
| 276 TailCallMode tail_call_mode) { | |
| 277 switch (tail_call_mode) { | |
| 278 case TailCallMode::kDisallow: | |
| 279 switch (mode) { | |
| 280 case ConvertReceiverMode::kNullOrUndefined: | |
| 281 return CallFunction_ReceiverIsNullOrUndefined(); | |
| 282 case ConvertReceiverMode::kNotNullOrUndefined: | |
| 283 return CallFunction_ReceiverIsNotNullOrUndefined(); | |
| 284 case ConvertReceiverMode::kAny: | |
| 285 return CallFunction_ReceiverIsAny(); | |
| 286 } | |
| 287 break; | |
| 288 case TailCallMode::kAllow: | |
| 289 switch (mode) { | |
| 290 case ConvertReceiverMode::kNullOrUndefined: | |
| 291 return TailCallFunction_ReceiverIsNullOrUndefined(); | |
| 292 case ConvertReceiverMode::kNotNullOrUndefined: | |
| 293 return TailCallFunction_ReceiverIsNotNullOrUndefined(); | |
| 294 case ConvertReceiverMode::kAny: | |
| 295 return TailCallFunction_ReceiverIsAny(); | |
| 296 } | |
| 297 break; | |
| 298 } | |
| 299 UNREACHABLE(); | |
| 300 return Handle<Code>::null(); | |
| 301 } | |
| 302 | |
| 303 Handle<Code> Builtins::Call(ConvertReceiverMode mode, | |
| 304 TailCallMode tail_call_mode) { | |
| 305 switch (tail_call_mode) { | |
| 306 case TailCallMode::kDisallow: | |
| 307 switch (mode) { | |
| 308 case ConvertReceiverMode::kNullOrUndefined: | |
| 309 return Call_ReceiverIsNullOrUndefined(); | |
| 310 case ConvertReceiverMode::kNotNullOrUndefined: | |
| 311 return Call_ReceiverIsNotNullOrUndefined(); | |
| 312 case ConvertReceiverMode::kAny: | |
| 313 return Call_ReceiverIsAny(); | |
| 314 } | |
| 315 break; | |
| 316 case TailCallMode::kAllow: | |
| 317 switch (mode) { | |
| 318 case ConvertReceiverMode::kNullOrUndefined: | |
| 319 return TailCall_ReceiverIsNullOrUndefined(); | |
| 320 case ConvertReceiverMode::kNotNullOrUndefined: | |
| 321 return TailCall_ReceiverIsNotNullOrUndefined(); | |
| 322 case ConvertReceiverMode::kAny: | |
| 323 return TailCall_ReceiverIsAny(); | |
| 324 } | |
| 325 break; | |
| 326 } | |
| 327 UNREACHABLE(); | |
| 328 return Handle<Code>::null(); | |
| 329 } | |
| 330 | |
| 331 Handle<Code> Builtins::CallBoundFunction(TailCallMode tail_call_mode) { | |
| 332 switch (tail_call_mode) { | |
| 333 case TailCallMode::kDisallow: | |
| 334 return CallBoundFunction(); | |
| 335 case TailCallMode::kAllow: | |
| 336 return TailCallBoundFunction(); | |
| 337 } | |
| 338 UNREACHABLE(); | |
| 339 return Handle<Code>::null(); | |
| 340 } | |
| 341 | |
| 342 namespace { | |
| 343 | |
| 344 class RelocatableArguments : public BuiltinArguments, public Relocatable { | |
| 345 public: | |
| 346 RelocatableArguments(Isolate* isolate, int length, Object** arguments) | |
| 347 : BuiltinArguments(length, arguments), Relocatable(isolate) {} | |
| 348 | |
| 349 virtual inline void IterateInstance(ObjectVisitor* v) { | |
| 350 if (length() == 0) return; | |
| 351 v->VisitPointers(lowest_address(), highest_address() + 1); | |
| 352 } | |
| 353 | |
| 354 private: | |
| 355 DISALLOW_COPY_AND_ASSIGN(RelocatableArguments); | |
| 356 }; | |
| 357 | |
| 358 } // namespace | |
| 359 | |
| 360 MaybeHandle<Object> Builtins::InvokeApiFunction(Isolate* isolate, | |
| 361 Handle<HeapObject> function, | |
| 362 Handle<Object> receiver, | |
| 363 int argc, | |
| 364 Handle<Object> args[]) { | |
| 365 DCHECK(function->IsFunctionTemplateInfo() || | |
| 366 (function->IsJSFunction() && | |
| 367 JSFunction::cast(*function)->shared()->IsApiFunction())); | |
| 368 | |
| 369 // Do proper receiver conversion for non-strict mode api functions. | |
| 370 if (!receiver->IsJSReceiver()) { | |
| 371 if (function->IsFunctionTemplateInfo() || | |
| 372 is_sloppy(JSFunction::cast(*function)->shared()->language_mode())) { | |
| 373 ASSIGN_RETURN_ON_EXCEPTION(isolate, receiver, | |
| 374 Object::ConvertReceiver(isolate, receiver), | |
| 375 Object); | |
| 376 } | |
| 377 } | |
| 378 | |
| 379 Handle<FunctionTemplateInfo> fun_data = | |
| 380 function->IsFunctionTemplateInfo() | |
| 381 ? Handle<FunctionTemplateInfo>::cast(function) | |
| 382 : handle(JSFunction::cast(*function)->shared()->get_api_func_data(), | |
| 383 isolate); | |
| 384 Handle<HeapObject> new_target = isolate->factory()->undefined_value(); | |
| 385 // Construct BuiltinArguments object: | |
| 386 // new target, function, arguments reversed, receiver. | |
| 387 const int kBufferSize = 32; | |
| 388 Object* small_argv[kBufferSize]; | |
| 389 Object** argv; | |
| 390 const int frame_argc = argc + BuiltinArguments::kNumExtraArgsWithReceiver; | |
| 391 if (frame_argc <= kBufferSize) { | |
| 392 argv = small_argv; | |
| 393 } else { | |
| 394 argv = new Object*[frame_argc]; | |
| 395 } | |
| 396 int cursor = frame_argc - 1; | |
| 397 argv[cursor--] = *receiver; | |
| 398 for (int i = 0; i < argc; ++i) { | |
| 399 argv[cursor--] = *args[i]; | |
| 400 } | |
| 401 DCHECK(cursor == BuiltinArguments::kArgcOffset); | |
| 402 argv[BuiltinArguments::kArgcOffset] = Smi::FromInt(frame_argc); | |
| 403 argv[BuiltinArguments::kTargetOffset] = *function; | |
| 404 argv[BuiltinArguments::kNewTargetOffset] = *new_target; | |
| 405 MaybeHandle<Object> result; | |
| 406 { | |
| 407 RelocatableArguments arguments(isolate, frame_argc, &argv[frame_argc - 1]); | |
| 408 result = HandleApiCallHelper<false>(isolate, function, new_target, fun_data, | |
| 409 receiver, arguments); | |
| 410 } | |
| 411 if (argv != small_argv) delete[] argv; | |
| 412 return result; | |
| 413 } | |
| 414 | |
| 415 // Helper function to handle calls to non-function objects created through the | |
| 416 // API. The object can be called as either a constructor (using new) or just as | |
| 417 // a function (without new). | |
| 418 MUST_USE_RESULT static Object* HandleApiCallAsFunctionOrConstructor( | |
| 419 Isolate* isolate, bool is_construct_call, BuiltinArguments args) { | |
| 420 Handle<Object> receiver = args.receiver(); | |
| 421 | |
| 422 // Get the object called. | |
| 423 JSObject* obj = JSObject::cast(*receiver); | |
| 424 | |
| 425 // Set the new target. | |
| 426 HeapObject* new_target; | |
| 427 if (is_construct_call) { | |
| 428 // TODO(adamk): This should be passed through in args instead of | |
| 429 // being patched in here. We need to set a non-undefined value | |
| 430 // for v8::FunctionCallbackInfo::IsConstructCall() to get the | |
| 431 // right answer. | |
| 432 new_target = obj; | |
| 433 } else { | |
| 434 new_target = isolate->heap()->undefined_value(); | |
| 435 } | |
| 436 | |
| 437 // Get the invocation callback from the function descriptor that was | |
| 438 // used to create the called object. | |
| 439 DCHECK(obj->map()->is_callable()); | |
| 440 JSFunction* constructor = JSFunction::cast(obj->map()->GetConstructor()); | |
| 441 // TODO(ishell): turn this back to a DCHECK. | |
| 442 CHECK(constructor->shared()->IsApiFunction()); | |
| 443 Object* handler = | |
| 444 constructor->shared()->get_api_func_data()->instance_call_handler(); | |
| 445 DCHECK(!handler->IsUndefined(isolate)); | |
| 446 // TODO(ishell): remove this debugging code. | |
| 447 CHECK(handler->IsCallHandlerInfo()); | |
| 448 CallHandlerInfo* call_data = CallHandlerInfo::cast(handler); | |
| 449 Object* callback_obj = call_data->callback(); | |
| 450 v8::FunctionCallback callback = | |
| 451 v8::ToCData<v8::FunctionCallback>(callback_obj); | |
| 452 | |
| 453 // Get the data for the call and perform the callback. | |
| 454 Object* result; | |
| 455 { | |
| 456 HandleScope scope(isolate); | |
| 457 LOG(isolate, ApiObjectAccess("call non-function", obj)); | |
| 458 | |
| 459 FunctionCallbackArguments custom(isolate, call_data->data(), constructor, | |
| 460 obj, new_target, &args[0] - 1, | |
| 461 args.length() - 1); | |
| 462 Handle<Object> result_handle = custom.Call(callback); | |
| 463 if (result_handle.is_null()) { | |
| 464 result = isolate->heap()->undefined_value(); | |
| 465 } else { | |
| 466 result = *result_handle; | |
| 467 } | |
| 468 } | |
| 469 // Check for exceptions and return result. | |
| 470 RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate); | |
| 471 return result; | |
| 472 } | |
| 473 | |
| 474 // Handle calls to non-function objects created through the API. This delegate | |
| 475 // function is used when the call is a normal function call. | |
| 476 BUILTIN(HandleApiCallAsFunction) { | |
| 477 return HandleApiCallAsFunctionOrConstructor(isolate, false, args); | |
| 478 } | |
| 479 | |
| 480 // Handle calls to non-function objects created through the API. This delegate | |
| 481 // function is used when the call is a construct call. | |
| 482 BUILTIN(HandleApiCallAsConstructor) { | |
| 483 return HandleApiCallAsFunctionOrConstructor(isolate, true, args); | |
| 484 } | |
| 485 | 21 |
| 486 Builtins::Builtins() : initialized_(false) { | 22 Builtins::Builtins() : initialized_(false) { |
| 487 memset(builtins_, 0, sizeof(builtins_[0]) * builtin_count); | 23 memset(builtins_, 0, sizeof(builtins_[0]) * builtin_count); |
| 488 } | 24 } |
| 489 | 25 |
| 490 Builtins::~Builtins() {} | 26 Builtins::~Builtins() {} |
| 491 | 27 |
| 492 namespace { | 28 namespace { |
| 493 void PostBuildProfileAndTracing(Isolate* isolate, Code* code, | 29 void PostBuildProfileAndTracing(Isolate* isolate, Code* code, |
| 494 const char* name) { | 30 const char* name) { |
| (...skipping 160 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 655 return #Name; | 191 return #Name; |
| 656 BUILTIN_LIST_ALL(CASE) | 192 BUILTIN_LIST_ALL(CASE) |
| 657 #undef CASE | 193 #undef CASE |
| 658 default: | 194 default: |
| 659 UNREACHABLE(); | 195 UNREACHABLE(); |
| 660 break; | 196 break; |
| 661 } | 197 } |
| 662 return ""; | 198 return ""; |
| 663 } | 199 } |
| 664 | 200 |
| 665 void Builtins::Generate_InterruptCheck(MacroAssembler* masm) { | |
| 666 masm->TailCallRuntime(Runtime::kInterrupt); | |
| 667 } | |
| 668 | |
| 669 void Builtins::Generate_StackCheck(MacroAssembler* masm) { | |
| 670 masm->TailCallRuntime(Runtime::kStackGuard); | |
| 671 } | |
| 672 | |
| 673 void Builtins::Generate_CallFunction_ReceiverIsNullOrUndefined( | |
| 674 MacroAssembler* masm) { | |
| 675 Generate_CallFunction(masm, ConvertReceiverMode::kNullOrUndefined, | |
| 676 TailCallMode::kDisallow); | |
| 677 } | |
| 678 | |
| 679 void Builtins::Generate_CallFunction_ReceiverIsNotNullOrUndefined( | |
| 680 MacroAssembler* masm) { | |
| 681 Generate_CallFunction(masm, ConvertReceiverMode::kNotNullOrUndefined, | |
| 682 TailCallMode::kDisallow); | |
| 683 } | |
| 684 | |
| 685 void Builtins::Generate_CallFunction_ReceiverIsAny(MacroAssembler* masm) { | |
| 686 Generate_CallFunction(masm, ConvertReceiverMode::kAny, | |
| 687 TailCallMode::kDisallow); | |
| 688 } | |
| 689 | |
| 690 void Builtins::Generate_TailCallFunction_ReceiverIsNullOrUndefined( | |
| 691 MacroAssembler* masm) { | |
| 692 Generate_CallFunction(masm, ConvertReceiverMode::kNullOrUndefined, | |
| 693 TailCallMode::kAllow); | |
| 694 } | |
| 695 | |
| 696 void Builtins::Generate_TailCallFunction_ReceiverIsNotNullOrUndefined( | |
| 697 MacroAssembler* masm) { | |
| 698 Generate_CallFunction(masm, ConvertReceiverMode::kNotNullOrUndefined, | |
| 699 TailCallMode::kAllow); | |
| 700 } | |
| 701 | |
| 702 void Builtins::Generate_TailCallFunction_ReceiverIsAny(MacroAssembler* masm) { | |
| 703 Generate_CallFunction(masm, ConvertReceiverMode::kAny, TailCallMode::kAllow); | |
| 704 } | |
| 705 | |
| 706 void Builtins::Generate_CallBoundFunction(MacroAssembler* masm) { | |
| 707 Generate_CallBoundFunctionImpl(masm, TailCallMode::kDisallow); | |
| 708 } | |
| 709 | |
| 710 void Builtins::Generate_TailCallBoundFunction(MacroAssembler* masm) { | |
| 711 Generate_CallBoundFunctionImpl(masm, TailCallMode::kAllow); | |
| 712 } | |
| 713 | |
| 714 void Builtins::Generate_Call_ReceiverIsNullOrUndefined(MacroAssembler* masm) { | |
| 715 Generate_Call(masm, ConvertReceiverMode::kNullOrUndefined, | |
| 716 TailCallMode::kDisallow); | |
| 717 } | |
| 718 | |
| 719 void Builtins::Generate_Call_ReceiverIsNotNullOrUndefined( | |
| 720 MacroAssembler* masm) { | |
| 721 Generate_Call(masm, ConvertReceiverMode::kNotNullOrUndefined, | |
| 722 TailCallMode::kDisallow); | |
| 723 } | |
| 724 | |
| 725 void Builtins::Generate_Call_ReceiverIsAny(MacroAssembler* masm) { | |
| 726 Generate_Call(masm, ConvertReceiverMode::kAny, TailCallMode::kDisallow); | |
| 727 } | |
| 728 | |
| 729 void Builtins::Generate_TailCall_ReceiverIsNullOrUndefined( | |
| 730 MacroAssembler* masm) { | |
| 731 Generate_Call(masm, ConvertReceiverMode::kNullOrUndefined, | |
| 732 TailCallMode::kAllow); | |
| 733 } | |
| 734 | |
| 735 void Builtins::Generate_TailCall_ReceiverIsNotNullOrUndefined( | |
| 736 MacroAssembler* masm) { | |
| 737 Generate_Call(masm, ConvertReceiverMode::kNotNullOrUndefined, | |
| 738 TailCallMode::kAllow); | |
| 739 } | |
| 740 | |
| 741 void Builtins::Generate_TailCall_ReceiverIsAny(MacroAssembler* masm) { | |
| 742 Generate_Call(masm, ConvertReceiverMode::kAny, TailCallMode::kAllow); | |
| 743 } | |
| 744 | |
| 745 | |
| 746 #define DEFINE_BUILTIN_ACCESSOR(Name, ...) \ | 201 #define DEFINE_BUILTIN_ACCESSOR(Name, ...) \ |
| 747 Handle<Code> Builtins::Name() { \ | 202 Handle<Code> Builtins::Name() { \ |
| 748 Code** code_address = reinterpret_cast<Code**>(builtin_address(k##Name)); \ | 203 Code** code_address = reinterpret_cast<Code**>(builtin_address(k##Name)); \ |
| 749 return Handle<Code>(code_address); \ | 204 return Handle<Code>(code_address); \ |
| 750 } | 205 } |
| 751 BUILTIN_LIST_ALL(DEFINE_BUILTIN_ACCESSOR) | 206 BUILTIN_LIST_ALL(DEFINE_BUILTIN_ACCESSOR) |
| 752 #undef DEFINE_BUILTIN_ACCESSOR | 207 #undef DEFINE_BUILTIN_ACCESSOR |
| 753 | 208 |
| 754 } // namespace internal | 209 } // namespace internal |
| 755 } // namespace v8 | 210 } // namespace v8 |
| OLD | NEW |