40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2001-2010 Hartmut Kaiser
|
|
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
=============================================================================*/
|
|
|
|
#include <boost/spirit/include/qi_operator.hpp>
|
|
#include <boost/spirit/include/qi_char.hpp>
|
|
#include <boost/spirit/include/qi_string.hpp>
|
|
#include <boost/spirit/include/qi_numeric.hpp>
|
|
#include <boost/spirit/include/qi_nonterminal.hpp>
|
|
#include <boost/spirit/include/qi_parse.hpp>
|
|
|
|
namespace qi = boost::spirit::qi;
|
|
|
|
struct num_list : qi::grammar<char const*, qi::rule<char const*> >
|
|
{
|
|
num_list() : base_type(start)
|
|
{
|
|
num = qi::int_;
|
|
start = num >> *(',' >> num);
|
|
}
|
|
|
|
qi::rule<char const*, qi::rule<char const*> > start, num;
|
|
};
|
|
|
|
// this test must fail compiling
|
|
int main()
|
|
{
|
|
char const* input = "some input, it doesn't matter";
|
|
char const* end = &input[strlen(input)];
|
|
|
|
num_list g;
|
|
qi::phrase_parse(input, end, g,
|
|
qi::space | ('%' >> *~qi::char_('\n') >> '\n'));
|
|
|
|
return 0;
|
|
}
|