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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/factory.h" | 5 #include "src/factory.h" |
6 | 6 |
7 #include "src/allocation-site-scopes.h" | 7 #include "src/allocation-site-scopes.h" |
8 #include "src/base/bits.h" | 8 #include "src/base/bits.h" |
9 #include "src/conversions.h" | 9 #include "src/conversions.h" |
10 #include "src/isolate-inl.h" | 10 #include "src/isolate-inl.h" |
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1913 } | 1913 } |
1914 | 1914 |
1915 // In order to keep heap in consistent state there must be no allocations | 1915 // In order to keep heap in consistent state there must be no allocations |
1916 // before object re-initialization is finished and filler object is installed. | 1916 // before object re-initialization is finished and filler object is installed. |
1917 DisallowHeapAllocation no_allocation; | 1917 DisallowHeapAllocation no_allocation; |
1918 | 1918 |
1919 // Put in filler if the new object is smaller than the old. | 1919 // Put in filler if the new object is smaller than the old. |
1920 if (size_difference > 0) { | 1920 if (size_difference > 0) { |
1921 Address address = proxy->address(); | 1921 Address address = proxy->address(); |
1922 heap->CreateFillerObjectAt(address + map->instance_size(), size_difference); | 1922 heap->CreateFillerObjectAt(address + map->instance_size(), size_difference); |
1923 heap->AdjustLiveBytes(address, -size_difference, Heap::FROM_MUTATOR); | 1923 heap->AdjustLiveBytes(address, -size_difference, Heap::SWEEPING_STARTED); |
1924 } | 1924 } |
1925 | 1925 |
1926 // Reset the map for the object. | 1926 // Reset the map for the object. |
1927 proxy->synchronized_set_map(*map); | 1927 proxy->synchronized_set_map(*map); |
1928 Handle<JSObject> jsobj = Handle<JSObject>::cast(proxy); | 1928 Handle<JSObject> jsobj = Handle<JSObject>::cast(proxy); |
1929 | 1929 |
1930 // Reinitialize the object from the constructor map. | 1930 // Reinitialize the object from the constructor map. |
1931 heap->InitializeJSObjectFromMap(*jsobj, *properties, *map); | 1931 heap->InitializeJSObjectFromMap(*jsobj, *properties, *map); |
1932 | 1932 |
1933 // The current native context is used to set up certain bits. | 1933 // The current native context is used to set up certain bits. |
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2316 return Handle<Object>::null(); | 2316 return Handle<Object>::null(); |
2317 } | 2317 } |
2318 | 2318 |
2319 | 2319 |
2320 Handle<Object> Factory::ToBoolean(bool value) { | 2320 Handle<Object> Factory::ToBoolean(bool value) { |
2321 return value ? true_value() : false_value(); | 2321 return value ? true_value() : false_value(); |
2322 } | 2322 } |
2323 | 2323 |
2324 | 2324 |
2325 } } // namespace v8::internal | 2325 } } // namespace v8::internal |
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