.. _program_listing_file_falcon_graphexceptions.hpp:

Program Listing for File graphexceptions.hpp
============================================

|exhale_lsh| :ref:`Return to documentation for file <file_falcon_graphexceptions.hpp>` (``falcon/graphexceptions.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // ---------------------------------------------------------------------
   // This file is part of falcon-core.
   //
   // Copyright (C) 2015, 2016, 2017 Neuro-Electronics Research Flanders
   //
   // Falcon-server 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.
   //
   // Falcon-server 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 falcon-core. If not, see <http://www.gnu.org/licenses/>.
   // ---------------------------------------------------------------------
   
   #pragma once
   
   #include <exception>
   #include <string>
   
   class GraphException : public std::runtime_error {
    public:
     GraphException(std::string const &error, std::string const &source = "")
         : std::runtime_error(source == "" ? error : source + ": " + error) {}
     virtual std::string gettype() const { return std::string("None"); }
     virtual bool isFatal() const { return true; }
   };
   
   #define GRAPHEXCEPTION(TYPE, FATAL)                                    \
     class TYPE : public GraphException {                                 \
      public:                                                             \
       TYPE(std::string const &error, std::string const &source = "")     \
           : GraphException(error, source) {}                             \
                                                                          \
      public:                                                             \
       std::string gettype() const { return std::string(#TYPE); }         \
                                                                          \
      public:                                                             \
       bool isFatal() const { return FATAL; }                             \
     }
   
   #define GRAPHERROR(TYPE) GRAPHEXCEPTION(TYPE, true)
   #define GRAPHWARNING(TYPE) GRAPHEXCEPTION(TYPE, false)
   
   GRAPHERROR(NoGraphError);
   GRAPHERROR(InvalidGraphError);
   GRAPHERROR(InvalidStateError);
   GRAPHERROR(InvalidProcessorError);
   GRAPHERROR(InvalidGraphCommandError);
   
   GRAPHWARNING(BadGraphDefinition);