1595117898
BUG= R=fschneider@google.com Review URL: https://codereview.chromium.org/1559653002 .
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
// 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;
|
|
virtual void IncrementInvalidationGen() = 0;
|
|
|
|
static bool IsOptimizedCode(const Array& dependent_code, const Code& code);
|
|
|
|
void DisableCode();
|
|
|
|
bool HasCodes() const;
|
|
|
|
private:
|
|
const Array& array_; // Array of Code objects.
|
|
DISALLOW_COPY_AND_ASSIGN(WeakCodeReferences);
|
|
};
|
|
|
|
} // namespace dart
|
|
|
|
#endif // VM_WEAK_CODE_H_
|