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/*==============================================================================
Copyright (c) 2001-2011 Hartmut Kaiser
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2010-2011 Bryce Lelbach
Distributed under the Boost Software License, Version 1.0. (See accompanying
file BOOST_LICENSE_1_0.rst or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#include <boost/spirit/include/support_istream_iterator.hpp>
#include <boost/spirit/include/support_line_pos_iterator.hpp>
#include <boost/spirit/include/qi_parse.hpp>
#include "sexpr_parser.hpp"
int
main()
{
using boost::spirit::qi::phrase_parse;
std::cout << "/////////////////////////////////////////////////////////\n\n";
std::cout << "sexpr parser...\n\n";
std::cout << "/////////////////////////////////////////////////////////\n\n";
std::cout << "Type an expression... or [q or Q] to quit\n\n";
typedef std::string::const_iterator iterator_type;
typedef sexpr::parser<iterator_type> parser;
typedef sexpr::whitespace<iterator_type> space;
parser p;
space ws;
std::string str;
while (std::getline(std::cin, str))
{
if (str.empty() || str[0] == 'q' || str[0] == 'Q')
break;
std::string::const_iterator iter = str.begin();
std::string::const_iterator end = str.end();
bool r = phrase_parse(iter, end, p, ws);
if (r && iter == end)
{
std::cout << "-------------------------\n";
std::cout << "Parsing succeeded\n";
std::cout << "-------------------------\n";
}
else
{
std::string rest(iter, end);
std::cout << "-------------------------\n";
std::cout << "Parsing failed\n";
std::cout << "stopped at: \": " << rest << "\"\n";
std::cout << "-------------------------\n";
}
}
std::cout << "Bye... :-) \n\n";
return 0;
}
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