symbolic_env.h

/*
 * SPDX-FileCopyrightText: 2022 The P4 Language Consortium
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef BACKENDS_P4TOOLS_COMMON_LIB_SYMBOLIC_ENV_H_
#define BACKENDS_P4TOOLS_COMMON_LIB_SYMBOLIC_ENV_H_
 
#include "backends/p4tools/common/lib/model.h"
#include "ir/ir.h"
#include "ir/node.h"
 
namespace P4::P4Tools {

class SymbolicEnv {
 private:
    SymbolicMapType map;
 
 public:
    // Maybe coerce from Model for concrete execution?

    [[nodiscard]] const IR::Expression *get(const IR::StateVariable &var) const;

    [[nodiscard]] bool exists(const IR::StateVariable &var) const;

    void set(const IR::StateVariable &var, const IR::Expression *value);

    const IR::Expression *subst(const IR::Expression *expr) const;

    [[nodiscard]] const SymbolicMapType &getInternalMap() const;

    static bool isSymbolicValue(const IR::Node *);
};
 
}  // namespace P4::P4Tools
 
#endif /* BACKENDS_P4TOOLS_COMMON_LIB_SYMBOLIC_ENV_H_ */