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- /*=============================================================================
- Copyright (c) 2003 Martin Wille
- http://spirit.sourceforge.net/
- Use, modification and distribution is subject to 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/spirit/include/classic_core.hpp>
- #include <boost/spirit/include/classic_if.hpp>
- extern bool fun();
- struct ftor
- {
- bool operator()() const;
- };
- int
- main()
- {
- //////////////////////////////////
- // compile time check wether as_parser<> works for if_p
- ::BOOST_SPIRIT_CLASSIC_NS::rule<> r;
- r = ::BOOST_SPIRIT_CLASSIC_NS::if_p('-')['-'];
- r = ::BOOST_SPIRIT_CLASSIC_NS::if_p("-")["-"];
- r = ::BOOST_SPIRIT_CLASSIC_NS::if_p('-')['-'].else_p['-'];
- r = ::BOOST_SPIRIT_CLASSIC_NS::if_p("-")["-"].else_p["-"];
-
- r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(&fun)["foo"];
- r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(ftor())["foo"];
- r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(&fun)["foo"].else_p["bar"];
- r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(ftor())["foo"].else_p["bar"];
- r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(r)[r];
- r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(r)[r].else_p[r];
- }
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