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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/weak_code.h" | 5 #include "vm/weak_code.h" |
| 6 | 6 |
| 7 #include "platform/assert.h" | 7 #include "platform/assert.h" |
| 8 | 8 |
| 9 #include "vm/code_generator.h" | 9 #include "vm/code_generator.h" |
| 10 #include "vm/code_patcher.h" | 10 #include "vm/code_patcher.h" |
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| 25 for (intptr_t i = 0; i < array_.Length(); i++) { | 25 for (intptr_t i = 0; i < array_.Length(); i++) { |
| 26 weak_property ^= array_.At(i); | 26 weak_property ^= array_.At(i); |
| 27 if (weak_property.key() == Code::null()) { | 27 if (weak_property.key() == Code::null()) { |
| 28 // Empty property found. Reuse it. | 28 // Empty property found. Reuse it. |
| 29 weak_property.set_key(value); | 29 weak_property.set_key(value); |
| 30 return; | 30 return; |
| 31 } | 31 } |
| 32 } | 32 } |
| 33 } | 33 } |
| 34 | 34 |
| 35 const WeakProperty& weak_property = WeakProperty::Handle( | 35 const WeakProperty& weak_property = |
| 36 WeakProperty::New(Heap::kOld)); | 36 WeakProperty::Handle(WeakProperty::New(Heap::kOld)); |
| 37 weak_property.set_key(value); | 37 weak_property.set_key(value); |
| 38 | 38 |
| 39 intptr_t length = array_.IsNull() ? 0 : array_.Length(); | 39 intptr_t length = array_.IsNull() ? 0 : array_.Length(); |
| 40 const Array& new_array = Array::Handle( | 40 const Array& new_array = |
| 41 Array::Grow(array_, length + 1, Heap::kOld)); | 41 Array::Handle(Array::Grow(array_, length + 1, Heap::kOld)); |
| 42 new_array.SetAt(length, weak_property); | 42 new_array.SetAt(length, weak_property); |
| 43 UpdateArrayTo(new_array); | 43 UpdateArrayTo(new_array); |
| 44 } | 44 } |
| 45 | 45 |
| 46 | 46 |
| 47 bool WeakCodeReferences::IsOptimizedCode(const Array& dependent_code, | 47 bool WeakCodeReferences::IsOptimizedCode(const Array& dependent_code, |
| 48 const Code& code) { | 48 const Code& code) { |
| 49 if (!code.is_optimized()) { | 49 if (!code.is_optimized()) { |
| 50 return false; | 50 return false; |
| 51 } | 51 } |
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| 126 // Make non-OSR code non-entrant. | 126 // Make non-OSR code non-entrant. |
| 127 if (!code.IsDisabled()) { | 127 if (!code.IsDisabled()) { |
| 128 ReportSwitchingCode(code); | 128 ReportSwitchingCode(code); |
| 129 code.DisableDartCode(); | 129 code.DisableDartCode(); |
| 130 } | 130 } |
| 131 } | 131 } |
| 132 } | 132 } |
| 133 } | 133 } |
| 134 | 134 |
| 135 } // namespace dart | 135 } // namespace dart |
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