65 lines
3.2 KiB
C++
65 lines
3.2 KiB
C++
/*
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Author: Frank Mori Hess <fmhess@users.sourceforge.net>
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Begin: 2007-01-23
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*/
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// Copyright Frank Mori Hess 2007-2008
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// Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 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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#ifndef BOOST_SIGNALS2_SIGNALS_COMMON_MACROS_HPP
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#define BOOST_SIGNALS2_SIGNALS_COMMON_MACROS_HPP
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#ifndef BOOST_SIGNALS2_MAX_ARGS
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#define BOOST_SIGNALS2_MAX_ARGS 9
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#endif
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// argn
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#define BOOST_SIGNALS2_SIGNATURE_ARG_NAME(z, n, data) BOOST_PP_CAT(arg, BOOST_PP_INC(n))
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// Tn argn
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#define BOOST_SIGNALS2_SIGNATURE_FULL_ARG(z, n, data) \
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BOOST_PP_CAT(T, BOOST_PP_INC(n)) BOOST_SIGNALS2_SIGNATURE_ARG_NAME(~, n, ~)
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// T1 arg1, T2 arg2, ..., Tn argn
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#define BOOST_SIGNALS2_SIGNATURE_FULL_ARGS(arity) \
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BOOST_PP_ENUM(arity, BOOST_SIGNALS2_SIGNATURE_FULL_ARG, ~)
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// arg1, arg2, ..., argn
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#define BOOST_SIGNALS2_SIGNATURE_ARG_NAMES(arity) BOOST_PP_ENUM(arity, BOOST_SIGNALS2_SIGNATURE_ARG_NAME, ~)
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// typename prefixR, typename prefixT1, typename prefixT2, ..., typename prefixTN
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#define BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_DECL(arity, prefix) \
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typename BOOST_PP_CAT(prefix, R) BOOST_PP_COMMA_IF(arity) \
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BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), typename BOOST_PP_CAT(prefix, T))
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// typename R, typename T1, typename T2, ..., typename TN
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#define BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity) BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_DECL(arity,)
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// prefixR, prefixT1, prefixT2, ..., prefixTN
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#define BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_INSTANTIATION(arity, prefix) \
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BOOST_PP_CAT(prefix, R) BOOST_PP_COMMA_IF(arity) BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), BOOST_PP_CAT(prefix, T))
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// R, T1, T2, ..., TN
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#define BOOST_SIGNALS2_SIGNATURE_TEMPLATE_INSTANTIATION(arity) \
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BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_INSTANTIATION(arity,)
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// functionN<R, T1, T2, ..., TN>
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#define BOOST_SIGNALS2_FUNCTION_N_DECL(arity) BOOST_PP_CAT(function, arity)<\
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BOOST_SIGNALS2_SIGNATURE_TEMPLATE_INSTANTIATION(arity) >
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// R, const boost::signals2::connection&, T1, T2, ..., TN
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#define BOOST_SIGNALS2_EXT_SLOT_TEMPLATE_INSTANTIATION(arity) \
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R, const boost::signals2::connection& BOOST_PP_COMMA_IF(arity) \
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BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), T)
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// functionN<R, const boost::signals2::connection &, T1, T2, ..., TN>
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#define BOOST_SIGNALS2_EXT_FUNCTION_N_DECL(arity) BOOST_PP_CAT(function, BOOST_PP_INC(arity))<\
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BOOST_SIGNALS2_EXT_SLOT_TEMPLATE_INSTANTIATION(arity) >
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// slotN
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#define BOOST_SIGNALS2_SLOT_CLASS_NAME(arity) BOOST_PP_CAT(slot, arity)
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// typename function_traits<Signature>::argn_type
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#define BOOST_SIGNALS2_SIGNATURE_TO_ARGN_TYPE(z, n, Signature) \
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BOOST_PP_CAT(BOOST_PP_CAT(typename function_traits<Signature>::arg, BOOST_PP_INC(n)), _type)
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// typename function_traits<Signature>::result_type,
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// typename function_traits<Signature>::arg1_type,
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// typename function_traits<Signature>::arg2_type,
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// ...,
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// typename function_traits<Signature>::argn_type
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#define BOOST_SIGNALS2_PORTABLE_SIGNATURE(arity, Signature) \
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typename function_traits<Signature>::result_type \
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BOOST_PP_COMMA_IF(arity) BOOST_PP_ENUM(arity, BOOST_SIGNALS2_SIGNATURE_TO_ARGN_TYPE, Signature)
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#endif // BOOST_SIGNALS2_SIGNALS_COMMON_MACROS_HPP
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