endpoint.h

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// MIT License
//
// Copyright (c) 2019 Ruhr University Bochum, Chair for Embedded Security. All Rights reserved.
// Copyright (c) 2019 Marc Fyrbiak, Sebastian Wallat, Max Hoffmann ("ORIGINAL AUTHORS"). All rights reserved.
// Copyright (c) 2021 Max Planck Institute for Security and Privacy. All Rights reserved.
// Copyright (c) 2021 Jörn Langheinrich, Julian Speith, Nils Albartus, René Walendy, Simon Klix ("ORIGINAL AUTHORS"). All Rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
 
#pragma once
 
#include "hal_core/defines.h"
 
namespace hal
{
    /* forward declaration */
    class Gate;
    class Net;
    class GatePin;
 
    class NETLIST_API Endpoint
    {
    public:
        bool operator==(const Endpoint& other) const;
 
        bool operator!=(const Endpoint& other) const;
 
        Gate* get_gate() const;
 
        GatePin* get_pin() const;
 
        Net* get_net() const;
 
        bool is_source_pin() const;
 
        bool is_destination_pin() const;
 
    private:
        friend class NetlistInternalManager;
        Endpoint(Gate* gate, GatePin* pin, Net* net, bool is_a_destination);
 
        Endpoint(const Endpoint&)            = delete;
        Endpoint(Endpoint&&)                 = delete;
        Endpoint& operator=(const Endpoint&) = delete;
        Endpoint& operator=(Endpoint&&)      = delete;
 
        Gate* m_gate;
        GatePin* m_pin;
        Net* m_net;
        bool m_is_a_destination;
    };
}    // namespace hal