SourceInput

// -*- C++ -*-
// Copyright (C) 2014-2015, Gabriel Dos Reis.
// All rights reserved.
// Written by Gabriel Dos Reis.
//
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// modification, are permitted provided that the following conditions are
// met:
//
//     - Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//
//     - Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in
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//       distribution.
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#ifndef OPENAXIOM_SOURCEINPUT_included
#define OPENAXIOM_SOURCEINPUT_included

#include <iosfwd>
#include <open-axiom/InputFragment>

namespace OpenAxiom {
   // -- A source input transform a character stream into a program fragment
   // -- stream, delivering a fragment one at a time.
   struct SourceInput {
      SourceInput(std::istream& is) : input(is) { }
      // Return the next program fragment from this input source.
      Fragment get();
      
   private:
      std::istream& input;
      Line line;
   };
}

#endif // OPENAXIOM_SOURCEINPUT_included