[857] | 1 | /*=============================================================================
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| 2 | Copyright (c) 1998-2003 Joel de Guzman
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| 3 | Copyright (c) 2001 Daniel Nuffer
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| 4 | Copyright (c) 2002 Hartmut Kaiser
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| 5 | http://spirit.sourceforge.net/
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| 6 |
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| 7 | Use, modification and distribution is subject to the Boost Software
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| 8 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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| 9 | http://www.boost.org/LICENSE_1_0.txt)
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| 10 | =============================================================================*/
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| 11 | #if !defined(BOOST_SPIRIT_DIFFERENCE_IPP)
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| 12 | #define BOOST_SPIRIT_DIFFERENCE_IPP
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| 13 |
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| 14 | namespace boost { namespace spirit {
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| 15 |
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| 16 | ///////////////////////////////////////////////////////////////////////////
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| 17 | //
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| 18 | // difference class implementation
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| 19 | //
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| 20 | ///////////////////////////////////////////////////////////////////////////
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| 21 | template <typename A, typename B>
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| 22 | inline difference<A, B>
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| 23 | operator-(parser<A> const& a, parser<B> const& b)
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| 24 | {
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| 25 | return difference<A, B>(a.derived(), b.derived());
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| 26 | }
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| 27 |
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| 28 | template <typename A>
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| 29 | inline difference<A, chlit<char> >
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| 30 | operator-(parser<A> const& a, char b)
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| 31 | {
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| 32 | return difference<A, chlit<char> >(a.derived(), b);
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| 33 | }
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| 34 |
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| 35 | template <typename B>
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| 36 | inline difference<chlit<char>, B>
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| 37 | operator-(char a, parser<B> const& b)
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| 38 | {
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| 39 | return difference<chlit<char>, B>(a, b.derived());
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| 40 | }
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| 41 |
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| 42 | template <typename A>
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| 43 | inline difference<A, strlit<char const*> >
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| 44 | operator-(parser<A> const& a, char const* b)
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| 45 | {
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| 46 | return difference<A, strlit<char const*> >(a.derived(), b);
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| 47 | }
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| 48 |
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| 49 | template <typename B>
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| 50 | inline difference<strlit<char const*>, B>
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| 51 | operator-(char const* a, parser<B> const& b)
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| 52 | {
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| 53 | return difference<strlit<char const*>, B>(a, b.derived());
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| 54 | }
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| 55 |
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| 56 | template <typename A>
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| 57 | inline difference<A, chlit<wchar_t> >
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| 58 | operator-(parser<A> const& a, wchar_t b)
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| 59 | {
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| 60 | return difference<A, chlit<wchar_t> >(a.derived(), b);
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| 61 | }
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| 62 |
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| 63 | template <typename B>
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| 64 | inline difference<chlit<wchar_t>, B>
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| 65 | operator-(wchar_t a, parser<B> const& b)
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| 66 | {
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| 67 | return difference<chlit<wchar_t>, B>(a, b.derived());
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| 68 | }
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| 69 |
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| 70 | template <typename A>
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| 71 | inline difference<A, strlit<wchar_t const*> >
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| 72 | operator-(parser<A> const& a, wchar_t const* b)
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| 73 | {
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| 74 | return difference<A, strlit<wchar_t const*> >(a.derived(), b);
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| 75 | }
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| 76 |
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| 77 | template <typename B>
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| 78 | inline difference<strlit<wchar_t const*>, B>
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| 79 | operator-(wchar_t const* a, parser<B> const& b)
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| 80 | {
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| 81 | return difference<strlit<wchar_t const*>, B>(a, b.derived());
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| 82 | }
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| 83 |
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| 84 | }} // namespace boost::spirit
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| 85 |
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| 86 | #endif
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