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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 // 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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
8 #include "src/api.h" | 8 #include "src/api.h" |
9 #include "src/arguments.h" | 9 #include "src/arguments.h" |
10 #include "src/base/bits.h" | 10 #include "src/base/bits.h" |
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2833 * Attempts to load a property with an interceptor (which must be present), | 2833 * Attempts to load a property with an interceptor (which must be present), |
2834 * but doesn't search the prototype chain. | 2834 * but doesn't search the prototype chain. |
2835 * | 2835 * |
2836 * Returns |Heap::no_interceptor_result_sentinel()| if interceptor doesn't | 2836 * Returns |Heap::no_interceptor_result_sentinel()| if interceptor doesn't |
2837 * provide any value for the given name. | 2837 * provide any value for the given name. |
2838 */ | 2838 */ |
2839 RUNTIME_FUNCTION(LoadPropertyWithInterceptorOnly) { | 2839 RUNTIME_FUNCTION(LoadPropertyWithInterceptorOnly) { |
2840 DCHECK(args.length() == NamedLoadHandlerCompiler::kInterceptorArgsLength); | 2840 DCHECK(args.length() == NamedLoadHandlerCompiler::kInterceptorArgsLength); |
2841 Handle<Name> name = | 2841 Handle<Name> name = |
2842 args.at<Name>(NamedLoadHandlerCompiler::kInterceptorArgsNameIndex); | 2842 args.at<Name>(NamedLoadHandlerCompiler::kInterceptorArgsNameIndex); |
2843 Handle<InterceptorInfo> interceptor_info = args.at<InterceptorInfo>( | 2843 Handle<JSObject> receiver = |
2844 NamedLoadHandlerCompiler::kInterceptorArgsInfoIndex); | 2844 args.at<JSObject>(NamedLoadHandlerCompiler::kInterceptorArgsThisIndex); |
| 2845 Handle<JSObject> holder = |
| 2846 args.at<JSObject>(NamedLoadHandlerCompiler::kInterceptorArgsHolderIndex); |
| 2847 HandleScope scope(isolate); |
| 2848 Handle<InterceptorInfo> interceptor_info(holder->GetNamedInterceptor()); |
2845 | 2849 |
2846 if (name->IsSymbol() && !interceptor_info->can_intercept_symbols()) | 2850 if (name->IsSymbol() && !interceptor_info->can_intercept_symbols()) |
2847 return isolate->heap()->no_interceptor_result_sentinel(); | 2851 return isolate->heap()->no_interceptor_result_sentinel(); |
2848 | 2852 |
2849 Address getter_address = v8::ToCData<Address>(interceptor_info->getter()); | 2853 Address getter_address = v8::ToCData<Address>(interceptor_info->getter()); |
2850 v8::GenericNamedPropertyGetterCallback getter = | 2854 v8::GenericNamedPropertyGetterCallback getter = |
2851 FUNCTION_CAST<v8::GenericNamedPropertyGetterCallback>(getter_address); | 2855 FUNCTION_CAST<v8::GenericNamedPropertyGetterCallback>(getter_address); |
2852 DCHECK(getter != NULL); | 2856 DCHECK(getter != NULL); |
2853 | 2857 |
2854 Handle<JSObject> receiver = | |
2855 args.at<JSObject>(NamedLoadHandlerCompiler::kInterceptorArgsThisIndex); | |
2856 Handle<JSObject> holder = | |
2857 args.at<JSObject>(NamedLoadHandlerCompiler::kInterceptorArgsHolderIndex); | |
2858 PropertyCallbackArguments callback_args(isolate, interceptor_info->data(), | 2858 PropertyCallbackArguments callback_args(isolate, interceptor_info->data(), |
2859 *receiver, *holder); | 2859 *receiver, *holder); |
2860 { | 2860 { |
2861 // Use the interceptor getter. | 2861 // Use the interceptor getter. |
2862 HandleScope scope(isolate); | |
2863 v8::Handle<v8::Value> r = | 2862 v8::Handle<v8::Value> r = |
2864 callback_args.Call(getter, v8::Utils::ToLocal(name)); | 2863 callback_args.Call(getter, v8::Utils::ToLocal(name)); |
2865 RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate); | 2864 RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate); |
2866 if (!r.IsEmpty()) { | 2865 if (!r.IsEmpty()) { |
2867 Handle<Object> result = v8::Utils::OpenHandle(*r); | 2866 Handle<Object> result = v8::Utils::OpenHandle(*r); |
2868 result->VerifyApiCallResultType(); | 2867 result->VerifyApiCallResultType(); |
2869 return *v8::Utils::OpenHandle(*r); | 2868 return *v8::Utils::OpenHandle(*r); |
2870 } | 2869 } |
2871 } | 2870 } |
2872 | 2871 |
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3000 static const Address IC_utilities[] = { | 2999 static const Address IC_utilities[] = { |
3001 #define ADDR(name) FUNCTION_ADDR(name), | 3000 #define ADDR(name) FUNCTION_ADDR(name), |
3002 IC_UTIL_LIST(ADDR) NULL | 3001 IC_UTIL_LIST(ADDR) NULL |
3003 #undef ADDR | 3002 #undef ADDR |
3004 }; | 3003 }; |
3005 | 3004 |
3006 | 3005 |
3007 Address IC::AddressFromUtilityId(IC::UtilityId id) { return IC_utilities[id]; } | 3006 Address IC::AddressFromUtilityId(IC::UtilityId id) { return IC_utilities[id]; } |
3008 } | 3007 } |
3009 } // namespace v8::internal | 3008 } // namespace v8::internal |
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