| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef VM_WEAK_CODE_H_ |
| #define VM_WEAK_CODE_H_ |
| |
| #include "vm/allocation.h" |
| #include "vm/globals.h" |
| |
| namespace dart { |
| |
| class Array; |
| class Code; |
| |
| // Helper class to handle an array of code weak properties. Implements |
| // registration and disabling of stored code objects. |
| class WeakCodeReferences : public ValueObject { |
| public: |
| explicit WeakCodeReferences(const Array& value) : array_(value) {} |
| virtual ~WeakCodeReferences() {} |
| |
| void Register(const Code& value); |
| |
| virtual void UpdateArrayTo(const Array& array) = 0; |
| virtual void ReportDeoptimization(const Code& code) = 0; |
| virtual void ReportSwitchingCode(const Code& code) = 0; |
| |
| static bool IsOptimizedCode(const Array& dependent_code, const Code& code); |
| |
| void DisableCode(); |
| |
| private: |
| const Array& array_; |
| DISALLOW_COPY_AND_ASSIGN(WeakCodeReferences); |
| }; |
| |
| } // namespace dart |
| |
| #endif // VM_WEAK_CODE_H_ |