spirit/test/qi/lazy.cpp
Hartmut Kaiser 83a792d7ed Spirit: updating copyrights
[SVN r67619]
2011-01-03 16:58:38 +00:00

72 lines
2.0 KiB
C++

/*=============================================================================
Copyright (c) 2001-2011 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)
=============================================================================*/
#include <boost/detail/lightweight_test.hpp>
#include <boost/spirit/include/qi_char.hpp>
#include <boost/spirit/include/qi_string.hpp>
#include <boost/spirit/include/qi_numeric.hpp>
#include <boost/spirit/include/qi_auxiliary.hpp>
#include <boost/spirit/include/qi_action.hpp>
#include <boost/spirit/include/qi_nonterminal.hpp>
#include <boost/spirit/include/qi_operator.hpp>
#include <boost/spirit/include/support_argument.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <iostream>
#include "test.hpp"
int
main()
{
using spirit_test::test;
using spirit_test::test_attr;
namespace qi = boost::spirit::qi;
using boost::spirit::qi::_1;
using boost::spirit::qi::_val;
using boost::spirit::qi::int_;
using boost::spirit::qi::rule;
using boost::spirit::ascii::char_;
using boost::phoenix::val;
using boost::phoenix::ref;
{
BOOST_TEST(test("123", val(int_)));
}
{
int result;
BOOST_TEST(test("123", qi::lazy(val(int_))[ref(result) = _1]));
BOOST_TEST((result == 123));
}
{
rule<char const*, char()> r;
r = char_[_val = _1] >> *qi::lazy(_val);
BOOST_TEST(test("aaaaaaaaaaaa", r));
BOOST_TEST(!test("abbbbbbbbbb", r));
BOOST_TEST(test("bbbbbbbbbbb", r));
}
{
rule<char const*, std::string()> r;
r =
'<' >> *(char_ - '>')[_val += _1] >> '>'
>> "</" >> qi::lazy(_val) >> '>'
;
BOOST_TEST(test("<tag></tag>", r));
BOOST_TEST(!test("<foo></bar>", r));
}
return boost::report_errors();
}