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64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
// Copyright (c) 2001-2010 Hartmut Kaiser
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// Copyright (c) 2011 Laurent Gomila
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/spirit/include/qi.hpp>
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#include <boost/phoenix/operator.hpp>
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#include <boost/spirit/include/support_multi_pass.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <sstream>
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#include <iostream>
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#include <iterator>
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#include <string>
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using namespace boost::spirit;
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using namespace boost;
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int main()
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{
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{
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std::string input("5x");
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std::istringstream iss(input);
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typedef std::istreambuf_iterator<char> base_iterator_type;
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typedef multi_pass<base_iterator_type> iterator_type;
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iterator_type first = make_default_multi_pass(base_iterator_type(iss));
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iterator_type last = make_default_multi_pass(base_iterator_type());
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std::ostringstream oss;
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qi::rule<iterator_type> r = qi::int_ > qi::int_;
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qi::on_error<qi::fail>(r, phoenix::ref(oss) << phoenix::val("error"));
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BOOST_TEST(!qi::parse(first, last, r));
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BOOST_TEST(oss.str() == "error");
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}
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{
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std::string input("5x");
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std::istringstream iss(input);
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typedef std::istreambuf_iterator<char> base_iterator_type;
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typedef multi_pass<base_iterator_type> iterator_type;
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iterator_type first = make_default_multi_pass(base_iterator_type(iss));
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iterator_type last = make_default_multi_pass(base_iterator_type());
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std::ostringstream oss;
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qi::rule<iterator_type> r1 = qi::int_ > qi::int_;
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qi::rule<iterator_type> r2 = qi::int_ > qi::char_;
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qi::on_error<qi::fail>(r1, phoenix::ref(oss) << phoenix::val("error in r1"));
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qi::on_error<qi::fail>(r2, phoenix::ref(oss) << phoenix::val("error in r2"));
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BOOST_TEST(qi::parse(first, last, r1 | r2));
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BOOST_TEST(oss.str() == "error in r1");
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}
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return boost::report_errors();
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}
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