spirit/test/qi/pass_container3.cpp
Hartmut Kaiser d842d60abb Spirit: tweaks to attribute handling
[SVN r72111]
2011-05-23 01:55:32 +00:00

66 lines
1.5 KiB
C++

// Copyright (c) 2001-2011 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)
// compilation test only
#include <boost/config/warning_disable.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <string>
#include <vector>
#include <boost/spirit/include/qi.hpp>
#include <boost/fusion/include/adapt_struct.hpp>
#include <boost/variant.hpp>
#include "test.hpp"
using namespace spirit_test;
//////////////////////////////////////////////////////////////////////////////
struct ast; // Forward declaration
typedef boost::variant<
double, char, int, std::string, boost::recursive_wrapper<ast>
> ast_element;
struct ast
{
int op;
std::vector<ast_element> children;
ast() {}
};
BOOST_FUSION_ADAPT_STRUCT(
ast,
(int, op)
(std::vector<ast_element>, children)
)
///////////////////////////////////////////////////////////////////////////////
int main()
{
namespace qi = boost::spirit::qi;
{
qi::rule<char const*, ast()> num_expr;
num_expr = (*(qi::char_ >> num_expr))[ qi::_1 ];
}
// doesn't currently work
// {
// qi::rule<char const*, std::string()> str = "abc";
// qi::rule<char const*, std::string()> r =
// '"' >> *('\\' >> qi::char_ | str) >> "'";
//
// std::string s;
// BOOST_TEST(test_attr("\"abc\\a\"", r, s) && s == "abca");
// }
return boost::report_errors();
}