driver.cpp

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// g2o - General Graph Optimization
// Copyright (C) 2011 R. Kuemmerle, G. Grisetti, W. Burgard
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// 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 the
//   documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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#include "driver.h"

#include <fstream>
#include <sstream>

#include "slam_context.h"
#include "scanner.h"

namespace SlamParser {

  Driver::Driver(class SlamContext& slamContext_) :
    trace_scanning(false),
    trace_parsing(false),
    slamContext(slamContext_)
  {
  }

  bool Driver::parse_stream(std::istream& in, const std::string& sname)
  {
    streamname = sname;

    Scanner scanner(&in);
    scanner.set_debug(trace_scanning);
    this->lexer = &scanner;

    Parser parser(*this);
#if YYDEBUG
    parser.set_debug_level(trace_parsing);
#endif
    return (parser.parse() == 0);
  }

  bool Driver::parse_file(const std::string &filename)
  {
    std::ifstream in(filename.c_str());
    if (!in.good()) return false;
    return parse_stream(in, filename);
  }

  bool Driver::parse_string(const std::string &input, const std::string& sname)
  {
    std::istringstream iss(input);
    return parse_stream(iss, sname);
  }

  void Driver::error(const class location& l,
      const std::string& m)
  {
    std::cerr << l << ": " << m << std::endl;
  }

  void Driver::error(const std::string& m)
  {
    std::cerr << m << std::endl;
  }

} // namespace example