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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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1131 * Returns |Heap::no_interceptor_result_sentinel()| if interceptor doesn't | 1131 * Returns |Heap::no_interceptor_result_sentinel()| if interceptor doesn't |
1132 * provide any value for the given name. | 1132 * provide any value for the given name. |
1133 */ | 1133 */ |
1134 RUNTIME_FUNCTION(MaybeObject*, LoadPropertyWithInterceptorOnly) { | 1134 RUNTIME_FUNCTION(MaybeObject*, LoadPropertyWithInterceptorOnly) { |
1135 typedef PropertyCallbackArguments PCA; | 1135 typedef PropertyCallbackArguments PCA; |
1136 static const int kArgsOffset = kAccessorInfoOffsetInInterceptorArgs; | 1136 static const int kArgsOffset = kAccessorInfoOffsetInInterceptorArgs; |
1137 Handle<Name> name_handle = args.at<Name>(0); | 1137 Handle<Name> name_handle = args.at<Name>(0); |
1138 Handle<InterceptorInfo> interceptor_info = args.at<InterceptorInfo>(1); | 1138 Handle<InterceptorInfo> interceptor_info = args.at<InterceptorInfo>(1); |
1139 ASSERT(kArgsOffset == 2); | 1139 ASSERT(kArgsOffset == 2); |
1140 // No ReturnValue in interceptors. | 1140 // No ReturnValue in interceptors. |
1141 ASSERT(args.length() == kArgsOffset + PCA::kArgsLength - 1); | 1141 ASSERT_EQ(kArgsOffset + PCA::kArgsLength - 2, args.length()); |
1142 | 1142 |
1143 // TODO(rossberg): Support symbols in the API. | 1143 // TODO(rossberg): Support symbols in the API. |
1144 if (name_handle->IsSymbol()) | 1144 if (name_handle->IsSymbol()) |
1145 return isolate->heap()->no_interceptor_result_sentinel(); | 1145 return isolate->heap()->no_interceptor_result_sentinel(); |
1146 Handle<String> name = Handle<String>::cast(name_handle); | 1146 Handle<String> name = Handle<String>::cast(name_handle); |
1147 | 1147 |
1148 Address getter_address = v8::ToCData<Address>(interceptor_info->getter()); | 1148 Address getter_address = v8::ToCData<Address>(interceptor_info->getter()); |
1149 v8::NamedPropertyGetter getter = | 1149 v8::NamedPropertyGetter getter = |
1150 FUNCTION_CAST<v8::NamedPropertyGetter>(getter_address); | 1150 FUNCTION_CAST<v8::NamedPropertyGetter>(getter_address); |
1151 ASSERT(getter != NULL); | 1151 ASSERT(getter != NULL); |
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1198 | 1198 |
1199 | 1199 |
1200 static MaybeObject* LoadWithInterceptor(Arguments* args, | 1200 static MaybeObject* LoadWithInterceptor(Arguments* args, |
1201 PropertyAttributes* attrs) { | 1201 PropertyAttributes* attrs) { |
1202 typedef PropertyCallbackArguments PCA; | 1202 typedef PropertyCallbackArguments PCA; |
1203 static const int kArgsOffset = kAccessorInfoOffsetInInterceptorArgs; | 1203 static const int kArgsOffset = kAccessorInfoOffsetInInterceptorArgs; |
1204 Handle<Name> name_handle = args->at<Name>(0); | 1204 Handle<Name> name_handle = args->at<Name>(0); |
1205 Handle<InterceptorInfo> interceptor_info = args->at<InterceptorInfo>(1); | 1205 Handle<InterceptorInfo> interceptor_info = args->at<InterceptorInfo>(1); |
1206 ASSERT(kArgsOffset == 2); | 1206 ASSERT(kArgsOffset == 2); |
1207 // No ReturnValue in interceptors. | 1207 // No ReturnValue in interceptors. |
1208 ASSERT(args->length() == kArgsOffset + PCA::kArgsLength - 1); | 1208 ASSERT_EQ(kArgsOffset + PCA::kArgsLength - 2, args->length()); |
1209 Handle<JSObject> receiver_handle = | 1209 Handle<JSObject> receiver_handle = |
1210 args->at<JSObject>(kArgsOffset - PCA::kThisIndex); | 1210 args->at<JSObject>(kArgsOffset - PCA::kThisIndex); |
1211 Handle<JSObject> holder_handle = | 1211 Handle<JSObject> holder_handle = |
1212 args->at<JSObject>(kArgsOffset - PCA::kHolderIndex); | 1212 args->at<JSObject>(kArgsOffset - PCA::kHolderIndex); |
1213 | 1213 |
1214 Isolate* isolate = receiver_handle->GetIsolate(); | 1214 Isolate* isolate = receiver_handle->GetIsolate(); |
1215 | 1215 |
1216 // TODO(rossberg): Support symbols in the API. | 1216 // TODO(rossberg): Support symbols in the API. |
1217 if (name_handle->IsSymbol()) | 1217 if (name_handle->IsSymbol()) |
1218 return holder_handle->GetPropertyPostInterceptor( | 1218 return holder_handle->GetPropertyPostInterceptor( |
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2095 Handle<FunctionTemplateInfo>( | 2095 Handle<FunctionTemplateInfo>( |
2096 FunctionTemplateInfo::cast(signature->receiver())); | 2096 FunctionTemplateInfo::cast(signature->receiver())); |
2097 } | 2097 } |
2098 } | 2098 } |
2099 | 2099 |
2100 is_simple_api_call_ = true; | 2100 is_simple_api_call_ = true; |
2101 } | 2101 } |
2102 | 2102 |
2103 | 2103 |
2104 } } // namespace v8::internal | 2104 } } // namespace v8::internal |
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