Files
sdk/runtime/vm/heap/weak_code.h
T
Alexander Aprelev 9feea727c6 [vm/field_guards] Ensure that field guard updates are done with stopped mutators.
Fixes https://github.com/dart-lang/sdk/issues/48473

TEST=language[_2]/vm/lazy_deopt_with_exception_concurrent_test

Change-Id: Ic54cbb1aa01dd367b42e559ebd70d3156fe54a45
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/235920
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
2022-03-10 17:16:05 +00:00

43 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 RUNTIME_VM_HEAP_WEAK_CODE_H_
#define RUNTIME_VM_HEAP_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(bool are_mutators_stopped);
bool HasCodes() const;
private:
const Array& array_; // Array of Code objects.
DISALLOW_COPY_AND_ASSIGN(WeakCodeReferences);
};
} // namespace dart
#endif // RUNTIME_VM_HEAP_WEAK_CODE_H_