/*============================================================================= Copyright (c) 2001-2014 Joel de Guzman 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) =============================================================================*/ #if !defined(BOOST_SPIRIT_X3_CALC9_ERROR_HANDLER_HPP) #define BOOST_SPIRIT_X3_CALC9_ERROR_HANDLER_HPP #include <boost/spirit/home/x3.hpp> #include <boost/spirit/home/x3/support/utility/error_reporting.hpp> #include <boost/spirit/home/x3/support/ast/position_tagged.hpp> #include "expression.hpp" #include "statement.hpp" namespace client { namespace parser { namespace x3 = boost::spirit::x3; //////////////////////////////////////////////////////////////////////////// // Our error handler //////////////////////////////////////////////////////////////////////////// template <typename Iterator> using error_handler = x3::error_handler<Iterator>; // tag used to get our error handler from the context using error_handler_tag = x3::error_handler_tag; struct error_handler_base { template <typename Iterator, typename Exception, typename Context> x3::error_handler_result on_error( Iterator& first, Iterator const& last , Exception const& x, Context const& context) { std::string message = "Error! Expecting: " + x.which() + " here:"; auto& error_handler = x3::get<error_handler_tag>(context).get(); error_handler(x.where(), message); return x3::error_handler_result::fail; } }; }} #endif