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40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
/*=============================================================================
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Copyright (c) 2003 Martin Wille
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http://spirit.sourceforge.net/
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Use, modification and distribution is subject to the Boost Software
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License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#include <boost/spirit/include/classic_core.hpp>
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#include <boost/spirit/include/classic_if.hpp>
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extern bool fun();
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struct ftor
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{
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bool operator()() const;
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};
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int
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main()
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{
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//////////////////////////////////
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// compile time check wether as_parser<> works for if_p
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::BOOST_SPIRIT_CLASSIC_NS::rule<> r;
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r = ::BOOST_SPIRIT_CLASSIC_NS::if_p('-')['-'];
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r = ::BOOST_SPIRIT_CLASSIC_NS::if_p("-")["-"];
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r = ::BOOST_SPIRIT_CLASSIC_NS::if_p('-')['-'].else_p['-'];
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r = ::BOOST_SPIRIT_CLASSIC_NS::if_p("-")["-"].else_p["-"];
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r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(&fun)["foo"];
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r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(ftor())["foo"];
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r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(&fun)["foo"].else_p["bar"];
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r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(ftor())["foo"].else_p["bar"];
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r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(r)[r];
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r = ::BOOST_SPIRIT_CLASSIC_NS::if_p(r)[r].else_p[r];
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}
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