| 1 | /*============================================================================= |
| 2 | Copyright (c) 2001-2014 Joel de Guzman |
| 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 | #if !defined(BOOST_SPIRIT_X3_CALC7_ERROR_HANDLER_HPP) |
| 8 | #define BOOST_SPIRIT_X3_CALC7_ERROR_HANDLER_HPP |
| 9 | |
| 10 | #include <boost/spirit/home/x3.hpp> |
| 11 | #include <iostream> |
| 12 | |
| 13 | namespace client { namespace calculator_grammar |
| 14 | { |
| 15 | //////////////////////////////////////////////////////////////////////////// |
| 16 | // Our error handler |
| 17 | //////////////////////////////////////////////////////////////////////////// |
| 18 | namespace x3 = boost::spirit::x3; |
| 19 | |
| 20 | struct error_handler |
| 21 | { |
| 22 | // Our error handler |
| 23 | template <typename Iterator, typename Exception, typename Context> |
| 24 | x3::error_handler_result |
| 25 | on_error(Iterator&, Iterator const& last, Exception const& x, Context const& context) |
| 26 | { |
| 27 | std::cout |
| 28 | << "Error! Expecting: " |
| 29 | << x.which() |
| 30 | << " here: \"" |
| 31 | << std::string(x.where(), last) |
| 32 | << "\"" |
| 33 | << std::endl |
| 34 | ; |
| 35 | return x3::error_handler_result::fail; |
| 36 | } |
| 37 | }; |
| 38 | }} |
| 39 | |
| 40 | #endif |
| 41 | |