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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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1927 | 1927 |
1928 CONVERT_CHECKED(JSObject, object, args[0]); | 1928 CONVERT_CHECKED(JSObject, object, args[0]); |
1929 CONVERT_CHECKED(String, key, args[1]); | 1929 CONVERT_CHECKED(String, key, args[1]); |
1930 | 1930 |
1931 uint32_t index; | 1931 uint32_t index; |
1932 if (key->AsArrayIndex(&index)) { | 1932 if (key->AsArrayIndex(&index)) { |
1933 return Heap::ToBoolean(object->HasElement(index)); | 1933 return Heap::ToBoolean(object->HasElement(index)); |
1934 } | 1934 } |
1935 | 1935 |
1936 PropertyAttributes att = object->GetLocalPropertyAttribute(key); | 1936 PropertyAttributes att = object->GetLocalPropertyAttribute(key); |
1937 return Heap::ToBoolean(att != ABSENT && att != DONT_ENUM); | 1937 return Heap::ToBoolean(att != ABSENT && (att & DONT_ENUM) == 0); |
1938 } | 1938 } |
1939 | 1939 |
1940 | 1940 |
1941 static Object* Runtime_GetPropertyNames(Arguments args) { | 1941 static Object* Runtime_GetPropertyNames(Arguments args) { |
1942 HandleScope scope; | 1942 HandleScope scope; |
1943 ASSERT(args.length() == 1); | 1943 ASSERT(args.length() == 1); |
1944 | 1944 |
1945 CONVERT_CHECKED(JSObject, raw_object, args[0]); | 1945 CONVERT_CHECKED(JSObject, raw_object, args[0]); |
1946 Handle<JSObject> object(raw_object); | 1946 Handle<JSObject> object(raw_object); |
1947 return *GetKeysFor(object); | 1947 return *GetKeysFor(object); |
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5803 } else { | 5803 } else { |
5804 // Handle last resort GC and make sure to allow future allocations | 5804 // Handle last resort GC and make sure to allow future allocations |
5805 // to grow the heap without causing GCs (if possible). | 5805 // to grow the heap without causing GCs (if possible). |
5806 Counters::gc_last_resort_from_js.Increment(); | 5806 Counters::gc_last_resort_from_js.Increment(); |
5807 Heap::CollectAllGarbage(); | 5807 Heap::CollectAllGarbage(); |
5808 } | 5808 } |
5809 } | 5809 } |
5810 | 5810 |
5811 | 5811 |
5812 } } // namespace v8::internal | 5812 } } // namespace v8::internal |
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