| 1 | // Copyright (c) 2001-2011 Hartmut Kaiser |
| 2 | // |
| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 5 | |
| 6 | // compilation test only |
| 7 | |
| 8 | #include <boost/spirit/include/qi.hpp> |
| 9 | |
| 10 | #include <boost/fusion/include/adapt_struct.hpp> |
| 11 | #include <boost/variant.hpp> |
| 12 | |
| 13 | #include <string> |
| 14 | #include <vector> |
| 15 | #include "test.hpp" |
| 16 | |
| 17 | using namespace spirit_test; |
| 18 | |
| 19 | ////////////////////////////////////////////////////////////////////////////// |
| 20 | struct ast; // Forward declaration |
| 21 | |
| 22 | typedef boost::variant< |
| 23 | double, char, int, std::string, boost::recursive_wrapper<ast> |
| 24 | > ast_element; |
| 25 | |
| 26 | struct ast |
| 27 | { |
| 28 | int op; |
| 29 | std::vector<ast_element> children; |
| 30 | ast() {} |
| 31 | }; |
| 32 | |
| 33 | BOOST_FUSION_ADAPT_STRUCT( |
| 34 | ast, |
| 35 | (int, op) |
| 36 | (std::vector<ast_element>, children) |
| 37 | ) |
| 38 | |
| 39 | /////////////////////////////////////////////////////////////////////////////// |
| 40 | int main() |
| 41 | { |
| 42 | namespace qi = boost::spirit::qi; |
| 43 | |
| 44 | { |
| 45 | qi::rule<char const*, ast()> num_expr; |
| 46 | num_expr = (*(qi::char_ >> num_expr))[ qi::_1 ]; |
| 47 | } |
| 48 | |
| 49 | // doesn't currently work |
| 50 | // { |
| 51 | // qi::rule<char const*, std::string()> str = "abc"; |
| 52 | // qi::rule<char const*, std::string()> r = |
| 53 | // '"' >> *('\\' >> qi::char_ | str) >> "'"; |
| 54 | // |
| 55 | // std::string s; |
| 56 | // BOOST_TEST(test_attr("\"abc\\a\"", r, s) && s == "abca"); |
| 57 | // } |
| 58 | |
| 59 | return boost::report_errors(); |
| 60 | } |
| 61 | |
| 62 | |