infer.h

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/*
 * Cppcheck - A tool for static C/C++ code analysis
 * Copyright (C) 2007-2023 Cppcheck team.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef inferH
#define inferH
 
#include "config.h"
#include "mathlib.h"
#include "vfvalue.h"
 
#include <list>
#include <string>
#include <vector>
 
template<class T> class ValuePtr;
 
struct InferModel {
    virtual bool match(const ValueFlow::Value& value) const = 0;
    virtual ValueFlow::Value yield(MathLib::bigint value) const = 0;
    virtual ~InferModel() = default;
    InferModel(const InferModel&) = default;
protected:
    InferModel() = default;
};
 
std::vector<ValueFlow::Value> infer(const ValuePtr<InferModel>& model,
                                    const std::string& op,
                                    std::list<ValueFlow::Value> lhsValues,
                                    std::list<ValueFlow::Value> rhsValues);
 
std::vector<ValueFlow::Value> infer(const ValuePtr<InferModel>& model,
                                    const std::string& op,
                                    MathLib::bigint lhs,
                                    std::list<ValueFlow::Value> rhsValues);
 
std::vector<ValueFlow::Value> infer(const ValuePtr<InferModel>& model,
                                    const std::string& op,
                                    std::list<ValueFlow::Value> lhsValues,
                                    MathLib::bigint rhs);
 
CPPCHECKLIB std::vector<MathLib::bigint> getMinValue(const ValuePtr<InferModel>& model, const std::list<ValueFlow::Value>& values);
std::vector<MathLib::bigint> getMaxValue(const ValuePtr<InferModel>& model, const std::list<ValueFlow::Value>& values);
 
#endif