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59 lines
1.8 KiB
59 lines
1.8 KiB
/*============================================================================= |
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Copyright (c) 2001-2011 Joel de Guzman |
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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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=============================================================================*/ |
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#if !defined(SPIRIT_FAIL_FUNCTION_APRIL_22_2006_0159PM) |
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#define SPIRIT_FAIL_FUNCTION_APRIL_22_2006_0159PM |
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#if defined(_MSC_VER) |
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#pragma once |
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#endif |
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#include <boost/spirit/home/support/unused.hpp> |
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namespace boost { namespace spirit { namespace qi { namespace detail |
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{ |
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template <typename Iterator, typename Context, typename Skipper> |
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struct fail_function |
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{ |
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typedef Iterator iterator_type; |
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typedef Context context_type; |
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fail_function( |
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Iterator& first, Iterator const& last |
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, Context& context, Skipper const& skipper) |
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: first(first) |
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, last(last) |
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, context(context) |
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, skipper(skipper) |
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{ |
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} |
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template <typename Component, typename Attribute> |
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bool operator()(Component const& component, Attribute& attr) const |
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{ |
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// return true if the parser fails |
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return !component.parse(first, last, context, skipper, attr); |
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} |
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template <typename Component> |
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bool operator()(Component const& component) const |
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{ |
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// return true if the parser fails |
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return !component.parse(first, last, context, skipper, unused); |
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} |
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Iterator& first; |
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Iterator const& last; |
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Context& context; |
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Skipper const& skipper; |
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private: |
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// silence MSVC warning C4512: assignment operator could not be generated |
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fail_function& operator= (fail_function const&); |
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}; |
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}}}} |
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#endif
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