ceph/src/boost/libs/spirit/test/qi/grammar_fail.cpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2010 Hartmut Kaiser
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 =============================================================================*/
   7
   8 #include <boost/spirit/include/qi_operator.hpp>
   9 #include <boost/spirit/include/qi_char.hpp>
  10 #include <boost/spirit/include/qi_string.hpp>
  11 #include <boost/spirit/include/qi_numeric.hpp>
  12 #include <boost/spirit/include/qi_nonterminal.hpp>
  13 #include <boost/spirit/include/qi_parse.hpp>
  14
  15 namespace qi = boost::spirit::qi;
  16
  17 struct num_list : qi::grammar<char const*, qi::rule<char const*> >
  18 {
  19     num_list() : base_type(start)
  20     {
  21         num = qi::int_;
  22         start = num >> *(',' >> num);
  23     }
  24
  25     qi::rule<char const*, qi::rule<char const*> > start, num;
  26 };
  27
  28 // this test must fail compiling
  29 int main()
  30 {
  31     char const* input = "some input, it doesn't matter";
  32     char const* end = &input[strlen(input)+1];
  33
  34     num_list g;
  35     bool r = qi::phrase_parse(input, end, g,
  36         qi::space | ('%' >> *~qi::char_('\n') >> '\n'));
  37
  38     return 0;
  39 }