OLD | NEW |
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 |
(...skipping 1359 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1370 | 1370 |
1371 // Check if the given name is an array index. | 1371 // Check if the given name is an array index. |
1372 uint32_t index; | 1372 uint32_t index; |
1373 if (name->AsArrayIndex(&index)) { | 1373 if (name->AsArrayIndex(&index)) { |
1374 Handle<Object> result = | 1374 Handle<Object> result = |
1375 JSObject::SetElement(receiver, index, value, NONE, strict_mode); | 1375 JSObject::SetElement(receiver, index, value, NONE, strict_mode); |
1376 RETURN_IF_EMPTY_HANDLE(isolate(), result); | 1376 RETURN_IF_EMPTY_HANDLE(isolate(), result); |
1377 return *value; | 1377 return *value; |
1378 } | 1378 } |
1379 | 1379 |
| 1380 // Observed objects are always modified through the runtime. |
| 1381 if (FLAG_harmony_observation && receiver->map()->is_observed()) { |
| 1382 return receiver->SetProperty(*name, *value, NONE, strict_mode); |
| 1383 } |
| 1384 |
1380 // Use specialized code for setting the length of arrays with fast | 1385 // Use specialized code for setting the length of arrays with fast |
1381 // properties. Slow properties might indicate redefinition of the | 1386 // properties. Slow properties might indicate redefinition of the |
1382 // length property. | 1387 // length property. |
1383 if (receiver->IsJSArray() && | 1388 if (receiver->IsJSArray() && |
1384 name->Equals(isolate()->heap()->length_symbol()) && | 1389 name->Equals(isolate()->heap()->length_symbol()) && |
1385 Handle<JSArray>::cast(receiver)->AllowsSetElementsLength() && | 1390 Handle<JSArray>::cast(receiver)->AllowsSetElementsLength() && |
1386 receiver->HasFastProperties()) { | 1391 receiver->HasFastProperties()) { |
1387 #ifdef DEBUG | 1392 #ifdef DEBUG |
1388 if (FLAG_trace_ic) PrintF("[StoreIC : +#length /array]\n"); | 1393 if (FLAG_trace_ic) PrintF("[StoreIC : +#length /array]\n"); |
1389 #endif | 1394 #endif |
(...skipping 505 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1895 // Check if the given name is an array index. | 1900 // Check if the given name is an array index. |
1896 uint32_t index; | 1901 uint32_t index; |
1897 if (name->AsArrayIndex(&index)) { | 1902 if (name->AsArrayIndex(&index)) { |
1898 Handle<Object> result = | 1903 Handle<Object> result = |
1899 JSObject::SetElement(receiver, index, value, NONE, strict_mode); | 1904 JSObject::SetElement(receiver, index, value, NONE, strict_mode); |
1900 RETURN_IF_EMPTY_HANDLE(isolate(), result); | 1905 RETURN_IF_EMPTY_HANDLE(isolate(), result); |
1901 return *value; | 1906 return *value; |
1902 } | 1907 } |
1903 | 1908 |
1904 // Update inline cache and stub cache. | 1909 // Update inline cache and stub cache. |
1905 if (FLAG_use_ic && !receiver->IsJSGlobalProxy()) { | 1910 if (FLAG_use_ic && !receiver->IsJSGlobalProxy() && |
| 1911 !(FLAG_harmony_observation && receiver->map()->is_observed())) { |
1906 LookupResult lookup(isolate()); | 1912 LookupResult lookup(isolate()); |
1907 if (LookupForWrite(receiver, name, &lookup)) { | 1913 if (LookupForWrite(receiver, name, &lookup)) { |
1908 UpdateCaches(&lookup, state, strict_mode, receiver, name, value); | 1914 UpdateCaches(&lookup, state, strict_mode, receiver, name, value); |
1909 } | 1915 } |
1910 } | 1916 } |
1911 | 1917 |
1912 // Set the property. | 1918 // Set the property. |
1913 return receiver->SetProperty(*name, *value, NONE, strict_mode); | 1919 return receiver->SetProperty(*name, *value, NONE, strict_mode); |
1914 } | 1920 } |
1915 | 1921 |
(...skipping 778 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2694 #undef ADDR | 2700 #undef ADDR |
2695 }; | 2701 }; |
2696 | 2702 |
2697 | 2703 |
2698 Address IC::AddressFromUtilityId(IC::UtilityId id) { | 2704 Address IC::AddressFromUtilityId(IC::UtilityId id) { |
2699 return IC_utilities[id]; | 2705 return IC_utilities[id]; |
2700 } | 2706 } |
2701 | 2707 |
2702 | 2708 |
2703 } } // namespace v8::internal | 2709 } } // namespace v8::internal |
OLD | NEW |