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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 239 while (fun->IsJSFunctionProxy()) { | 239 while (fun->IsJSFunctionProxy()) { |
| 240 fun = JSFunctionProxy::cast(fun)->call_trap(); | 240 fun = JSFunctionProxy::cast(fun)->call_trap(); |
| 241 } | 241 } |
| 242 if (fun->IsJSFunction()) return Handle<Object>(fun); | 242 if (fun->IsJSFunction()) return Handle<Object>(fun); |
| 243 | 243 |
| 244 // Objects created through the API can have an instance-call handler | 244 // Objects created through the API can have an instance-call handler |
| 245 // that should be used when calling the object as a function. | 245 // that should be used when calling the object as a function. |
| 246 if (fun->IsHeapObject() && | 246 if (fun->IsHeapObject() && |
| 247 HeapObject::cast(fun)->map()->has_instance_call_handler()) { | 247 HeapObject::cast(fun)->map()->has_instance_call_handler()) { |
| 248 return Handle<JSFunction>( | 248 return Handle<JSFunction>( |
| 249 isolate->global_context()->call_as_function_delegate()); | 249 isolate->native_context()->call_as_function_delegate()); |
| 250 } | 250 } |
| 251 | 251 |
| 252 return factory->undefined_value(); | 252 return factory->undefined_value(); |
| 253 } | 253 } |
| 254 | 254 |
| 255 | 255 |
| 256 Handle<Object> Execution::TryGetFunctionDelegate(Handle<Object> object, | 256 Handle<Object> Execution::TryGetFunctionDelegate(Handle<Object> object, |
| 257 bool* has_pending_exception) { | 257 bool* has_pending_exception) { |
| 258 ASSERT(!object->IsJSFunction()); | 258 ASSERT(!object->IsJSFunction()); |
| 259 Isolate* isolate = Isolate::Current(); | 259 Isolate* isolate = Isolate::Current(); |
| 260 | 260 |
| 261 // If object is a function proxy, get its handler. Iterate if necessary. | 261 // If object is a function proxy, get its handler. Iterate if necessary. |
| 262 Object* fun = *object; | 262 Object* fun = *object; |
| 263 while (fun->IsJSFunctionProxy()) { | 263 while (fun->IsJSFunctionProxy()) { |
| 264 fun = JSFunctionProxy::cast(fun)->call_trap(); | 264 fun = JSFunctionProxy::cast(fun)->call_trap(); |
| 265 } | 265 } |
| 266 if (fun->IsJSFunction()) return Handle<Object>(fun); | 266 if (fun->IsJSFunction()) return Handle<Object>(fun); |
| 267 | 267 |
| 268 // Objects created through the API can have an instance-call handler | 268 // Objects created through the API can have an instance-call handler |
| 269 // that should be used when calling the object as a function. | 269 // that should be used when calling the object as a function. |
| 270 if (fun->IsHeapObject() && | 270 if (fun->IsHeapObject() && |
| 271 HeapObject::cast(fun)->map()->has_instance_call_handler()) { | 271 HeapObject::cast(fun)->map()->has_instance_call_handler()) { |
| 272 return Handle<JSFunction>( | 272 return Handle<JSFunction>( |
| 273 isolate->global_context()->call_as_function_delegate()); | 273 isolate->native_context()->call_as_function_delegate()); |
| 274 } | 274 } |
| 275 | 275 |
| 276 // If the Object doesn't have an instance-call handler we should | 276 // If the Object doesn't have an instance-call handler we should |
| 277 // throw a non-callable exception. | 277 // throw a non-callable exception. |
| 278 i::Handle<i::Object> error_obj = isolate->factory()->NewTypeError( | 278 i::Handle<i::Object> error_obj = isolate->factory()->NewTypeError( |
| 279 "called_non_callable", i::HandleVector<i::Object>(&object, 1)); | 279 "called_non_callable", i::HandleVector<i::Object>(&object, 1)); |
| 280 isolate->Throw(*error_obj); | 280 isolate->Throw(*error_obj); |
| 281 *has_pending_exception = true; | 281 *has_pending_exception = true; |
| 282 | 282 |
| 283 return isolate->factory()->undefined_value(); | 283 return isolate->factory()->undefined_value(); |
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| 296 while (fun->IsJSFunctionProxy()) { | 296 while (fun->IsJSFunctionProxy()) { |
| 297 fun = JSFunctionProxy::cast(fun)->call_trap(); | 297 fun = JSFunctionProxy::cast(fun)->call_trap(); |
| 298 } | 298 } |
| 299 if (fun->IsJSFunction()) return Handle<Object>(fun); | 299 if (fun->IsJSFunction()) return Handle<Object>(fun); |
| 300 | 300 |
| 301 // Objects created through the API can have an instance-call handler | 301 // Objects created through the API can have an instance-call handler |
| 302 // that should be used when calling the object as a function. | 302 // that should be used when calling the object as a function. |
| 303 if (fun->IsHeapObject() && | 303 if (fun->IsHeapObject() && |
| 304 HeapObject::cast(fun)->map()->has_instance_call_handler()) { | 304 HeapObject::cast(fun)->map()->has_instance_call_handler()) { |
| 305 return Handle<JSFunction>( | 305 return Handle<JSFunction>( |
| 306 isolate->global_context()->call_as_constructor_delegate()); | 306 isolate->native_context()->call_as_constructor_delegate()); |
| 307 } | 307 } |
| 308 | 308 |
| 309 return isolate->factory()->undefined_value(); | 309 return isolate->factory()->undefined_value(); |
| 310 } | 310 } |
| 311 | 311 |
| 312 | 312 |
| 313 Handle<Object> Execution::TryGetConstructorDelegate( | 313 Handle<Object> Execution::TryGetConstructorDelegate( |
| 314 Handle<Object> object, | 314 Handle<Object> object, |
| 315 bool* has_pending_exception) { | 315 bool* has_pending_exception) { |
| 316 ASSERT(!object->IsJSFunction()); | 316 ASSERT(!object->IsJSFunction()); |
| 317 Isolate* isolate = Isolate::Current(); | 317 Isolate* isolate = Isolate::Current(); |
| 318 | 318 |
| 319 // If you return a function from here, it will be called when an | 319 // If you return a function from here, it will be called when an |
| 320 // attempt is made to call the given object as a constructor. | 320 // attempt is made to call the given object as a constructor. |
| 321 | 321 |
| 322 // If object is a function proxies, get its handler. Iterate if necessary. | 322 // If object is a function proxies, get its handler. Iterate if necessary. |
| 323 Object* fun = *object; | 323 Object* fun = *object; |
| 324 while (fun->IsJSFunctionProxy()) { | 324 while (fun->IsJSFunctionProxy()) { |
| 325 fun = JSFunctionProxy::cast(fun)->call_trap(); | 325 fun = JSFunctionProxy::cast(fun)->call_trap(); |
| 326 } | 326 } |
| 327 if (fun->IsJSFunction()) return Handle<Object>(fun); | 327 if (fun->IsJSFunction()) return Handle<Object>(fun); |
| 328 | 328 |
| 329 // Objects created through the API can have an instance-call handler | 329 // Objects created through the API can have an instance-call handler |
| 330 // that should be used when calling the object as a function. | 330 // that should be used when calling the object as a function. |
| 331 if (fun->IsHeapObject() && | 331 if (fun->IsHeapObject() && |
| 332 HeapObject::cast(fun)->map()->has_instance_call_handler()) { | 332 HeapObject::cast(fun)->map()->has_instance_call_handler()) { |
| 333 return Handle<JSFunction>( | 333 return Handle<JSFunction>( |
| 334 isolate->global_context()->call_as_constructor_delegate()); | 334 isolate->native_context()->call_as_constructor_delegate()); |
| 335 } | 335 } |
| 336 | 336 |
| 337 // If the Object doesn't have an instance-call handler we should | 337 // If the Object doesn't have an instance-call handler we should |
| 338 // throw a non-callable exception. | 338 // throw a non-callable exception. |
| 339 i::Handle<i::Object> error_obj = isolate->factory()->NewTypeError( | 339 i::Handle<i::Object> error_obj = isolate->factory()->NewTypeError( |
| 340 "called_non_callable", i::HandleVector<i::Object>(&object, 1)); | 340 "called_non_callable", i::HandleVector<i::Object>(&object, 1)); |
| 341 isolate->Throw(*error_obj); | 341 isolate->Throw(*error_obj); |
| 342 *has_pending_exception = true; | 342 *has_pending_exception = true; |
| 343 | 343 |
| 344 return isolate->factory()->undefined_value(); | 344 return isolate->factory()->undefined_value(); |
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| 673 } | 673 } |
| 674 | 674 |
| 675 | 675 |
| 676 #undef RETURN_NATIVE_CALL | 676 #undef RETURN_NATIVE_CALL |
| 677 | 677 |
| 678 | 678 |
| 679 Handle<JSRegExp> Execution::NewJSRegExp(Handle<String> pattern, | 679 Handle<JSRegExp> Execution::NewJSRegExp(Handle<String> pattern, |
| 680 Handle<String> flags, | 680 Handle<String> flags, |
| 681 bool* exc) { | 681 bool* exc) { |
| 682 Handle<JSFunction> function = Handle<JSFunction>( | 682 Handle<JSFunction> function = Handle<JSFunction>( |
| 683 pattern->GetIsolate()->global_context()->regexp_function()); | 683 pattern->GetIsolate()->native_context()->regexp_function()); |
| 684 Handle<Object> re_obj = RegExpImpl::CreateRegExpLiteral( | 684 Handle<Object> re_obj = RegExpImpl::CreateRegExpLiteral( |
| 685 function, pattern, flags, exc); | 685 function, pattern, flags, exc); |
| 686 if (*exc) return Handle<JSRegExp>(); | 686 if (*exc) return Handle<JSRegExp>(); |
| 687 return Handle<JSRegExp>::cast(re_obj); | 687 return Handle<JSRegExp>::cast(re_obj); |
| 688 } | 688 } |
| 689 | 689 |
| 690 | 690 |
| 691 Handle<Object> Execution::CharAt(Handle<String> string, uint32_t index) { | 691 Handle<Object> Execution::CharAt(Handle<String> string, uint32_t index) { |
| 692 Isolate* isolate = string->GetIsolate(); | 692 Isolate* isolate = string->GetIsolate(); |
| 693 Factory* factory = isolate->factory(); | 693 Factory* factory = isolate->factory(); |
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| 719 } | 719 } |
| 720 | 720 |
| 721 | 721 |
| 722 Handle<JSFunction> Execution::InstantiateFunction( | 722 Handle<JSFunction> Execution::InstantiateFunction( |
| 723 Handle<FunctionTemplateInfo> data, | 723 Handle<FunctionTemplateInfo> data, |
| 724 bool* exc) { | 724 bool* exc) { |
| 725 Isolate* isolate = data->GetIsolate(); | 725 Isolate* isolate = data->GetIsolate(); |
| 726 // Fast case: see if the function has already been instantiated | 726 // Fast case: see if the function has already been instantiated |
| 727 int serial_number = Smi::cast(data->serial_number())->value(); | 727 int serial_number = Smi::cast(data->serial_number())->value(); |
| 728 Object* elm = | 728 Object* elm = |
| 729 isolate->global_context()->function_cache()-> | 729 isolate->native_context()->function_cache()-> |
| 730 GetElementNoExceptionThrown(serial_number); | 730 GetElementNoExceptionThrown(serial_number); |
| 731 if (elm->IsJSFunction()) return Handle<JSFunction>(JSFunction::cast(elm)); | 731 if (elm->IsJSFunction()) return Handle<JSFunction>(JSFunction::cast(elm)); |
| 732 // The function has not yet been instantiated in this context; do it. | 732 // The function has not yet been instantiated in this context; do it. |
| 733 Handle<Object> args[] = { data }; | 733 Handle<Object> args[] = { data }; |
| 734 Handle<Object> result = Call(isolate->instantiate_fun(), | 734 Handle<Object> result = Call(isolate->instantiate_fun(), |
| 735 isolate->js_builtins_object(), | 735 isolate->js_builtins_object(), |
| 736 ARRAY_SIZE(args), | 736 ARRAY_SIZE(args), |
| 737 args, | 737 args, |
| 738 exc); | 738 exc); |
| 739 if (*exc) return Handle<JSFunction>::null(); | 739 if (*exc) return Handle<JSFunction>::null(); |
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| 961 } | 961 } |
| 962 if (stack_guard->IsInterrupted()) { | 962 if (stack_guard->IsInterrupted()) { |
| 963 stack_guard->Continue(INTERRUPT); | 963 stack_guard->Continue(INTERRUPT); |
| 964 return isolate->StackOverflow(); | 964 return isolate->StackOverflow(); |
| 965 } | 965 } |
| 966 return isolate->heap()->undefined_value(); | 966 return isolate->heap()->undefined_value(); |
| 967 } | 967 } |
| 968 | 968 |
| 969 | 969 |
| 970 } } // namespace v8::internal | 970 } } // namespace v8::internal |
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