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/**
* Copyright (c) 2019 DENSO CORPORATION.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/// ConstraintInfo (Constraint expression Information) class header
#ifndef RBACONSTRAINTINFO_HPP
#define RBACONSTRAINTINFO_HPP
#include <cstdint>
#include <memory>
#include <set>
#include <vector>
#include "RBAExecuteResult.hpp"
#include "RBADllExport.hpp"
namespace rba {
class RBAAllocatable;
class RBAExpression;
class DLL_EXPORT RBAConstraintInfo
{
public:
RBAConstraintInfo()=default;
RBAConstraintInfo(const RBAConstraintInfo&)=delete;
RBAConstraintInfo(const RBAConstraintInfo&&)=delete;
RBAConstraintInfo& operator=(const RBAConstraintInfo&)=delete;
RBAConstraintInfo& operator=(const RBAConstraintInfo&&)=delete;
virtual ~RBAConstraintInfo()=default;
public:
void setExpression(const RBAExpression* const expression);
const RBAExpression* getExpression() const;
void addOperandAllocatable(const RBAAllocatable* const operandAllocatable);
void setResult(const RBAExecuteResult result);
RBAConstraintInfo* getChild(const std::uint32_t index) const;
void setChild(const std::shared_ptr<RBAConstraintInfo> info);
void addTrueAllocatable(const RBAAllocatable* const allocatable);
void addFalseAllocatable(const RBAAllocatable* const allocatable);
void addTrueAllocatableFromOperand();
void addFalseAllocatableFromOperand();
void clearFalseAllocatable();
const bool isImplies() const;
void clear();
bool isExceptionBeforeArbitrate() const;
void setExceptionBeforeArbitrate(const bool exceptionBeforeArbitrate);
/// @brief Determine the need for re-arbitration
/// @param [in] allocatable Allcatable druing arbitration
/// @param [in] isImplies Whether the constraint expression contains
/// implication syntax.
/// @return Necessity of re-arbitration (true: need / false: No need)
bool needsRearbitrationFor(const RBAAllocatable* const allocatable,
bool isImplies = false) const;
bool needsReRearbitrationFor(const RBAAllocatable* const allocatable) const;
void collectRearbitrationTargetFor(const RBAAllocatable* const allocatable,
std::set<const RBAAllocatable*>& targets,
const bool isNot) const;
void collectTrueAllocatables(std::set<const RBAAllocatable*>& allocatables) const;
void collectFalseAllocatables(std::set<const RBAAllocatable*>& allocatables) const;
bool contains(const RBAAllocatable* const allocatable) const;
bool isTrue() const;
bool isFalse() const;
/// @brief Extraction of affected Area/Zone
/// @param [in] isRevert Negative context (true: inside / false: outside)
/// @param [out] affectAllocatables List of affected Allcatable
/// @param [out] collecting Collection target context
/// (true: inside / false: outside)
/// @param [out] forObject ReferenceObject context
/// (true: inside / false: outside)
/// @return Necessity of re-arbitration (true: need / false: No need)
void collectAffectedAllocatables(
const bool isRevert, std::set<const RBAAllocatable*>& affectAllocatables,
const bool collecting,
const bool forObject);
private:
bool isRevert() const;
bool isSizeOperator() const;
private:
bool exceptionBeforeArbitrate_ {false};
const RBAExpression* expression_ {nullptr};
RBAExecuteResult result_ {RBAExecuteResult::SKIP};
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4251)
#endif
std::set<const RBAAllocatable*> trueAllocatables_;
std::set<const RBAAllocatable*> falseAllocatables_;
std::set<const RBAAllocatable*> operandAllocatable_;
// use to respond with an empty set
const std::set<const RBAAllocatable*> emptyAllocatables_;
mutable std::vector<std::shared_ptr<RBAConstraintInfo>> children_;
#ifdef _MSC_VER
#pragma warning(pop)
#endif
};
}
#endif
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