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104 lines
4.8 KiB
C++
104 lines
4.8 KiB
C++
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// (C) Copyright Edward Diener 2011-2015
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// Use, modification and distribution are subject to the Boost Software License,
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// 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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#if !defined(BOOST_VMD_ENUM_HPP)
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#define BOOST_VMD_ENUM_HPP
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#include <boost/vmd/detail/setup.hpp>
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#if BOOST_PP_VARIADICS
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#include <boost/vmd/detail/sequence_enum.hpp>
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/*
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The succeeding comments in this file are in doxygen format.
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*/
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/** \file
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*/
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/** \def BOOST_VMD_ENUM(...)
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\brief Converts a sequence to comma-separated elements which are the elements of the sequence.
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... = Variadic parameters.
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The first variadic parameter is required and is the sequence to convert.
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Further optional variadic parameters can be return type parameters. Return type
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parameters allow each element in the sequence to be converted to a two-element
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tuple where the first tuple element is the type and the second tuple element
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is the element data.
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The BOOST_VMD_RETURN_NO_TYPE, the default, does not return the type as part of each
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converted element but just the data. All of the rest return the type and data as the
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two-element tuple. If BOOST_VMD_RETURN_TYPE is specified the specific type of the element
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is returned in the tuple. If BOOST_VMD_RETURN_TYPE_ARRAY is specified an array type is
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returned if the element is an array, else a tuple type is returned if the element is a tuple,
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else the actual type is returned for non-tuple data. If BOOST_VMD_RETURN_TYPE_LIST is specified
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a list type is returned if the element is a list, else a tuple type is returned if the element
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is a tuple, else the actual type is returned for non-tuple data. If BOOST_VMD_RETURN_TYPE_TUPLE
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is specified a tuple type is returned for all tuple-like data, else the actual type is returned
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for non-tuple data. If more than one return type optional parameter is specified the last one
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specified determines the return type.
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returns = Comma-separated data, otherwise known as variadic data.
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If the sequence is empty the variadic data is empty. If an
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optional return type other than BOOST_VMD_RETURN_NO_TYPE
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is specified the type and the data of each element is
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returned as part of the variadic data. Otherwise just the data
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of each element is returned, which is the default.
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*/
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#define BOOST_VMD_ENUM(...) \
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BOOST_VMD_DETAIL_SEQUENCE_ENUM(__VA_ARGS__) \
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/**/
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/** \def BOOST_VMD_ENUM_D(d,...)
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\brief Converts a sequence to comma-separated elements which are the elements of the sequence. Re-entrant version.
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d = The next available BOOST_PP_WHILE iteration.
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... = Variadic parameters.
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The first variadic parameter is required and is the sequence to convert.
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Further optional variadic parameters can be return type parameters. Return type
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parameters allow each element in the sequence to be converted to a two-element
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tuple where the first tuple element is the type and the second tuple element
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is the element data.
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The BOOST_VMD_RETURN_NO_TYPE, the default, does not return the type as part of each
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converted element but just the data. All of the rest return the type and data as the
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two-element tuple. If BOOST_VMD_RETURN_TYPE is specified the specific type of the element
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is returned in the tuple. If BOOST_VMD_RETURN_TYPE_ARRAY is specified an array type is
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returned if the element is an array, else a tuple type is returned if the element is a tuple,
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else the actual type is returned for non-tuple data. If BOOST_VMD_RETURN_TYPE_LIST is specified
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a list type is returned if the element is a list, else a tuple type is returned if the element
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is a tuple, else the actual type is returned for non-tuple data. If BOOST_VMD_RETURN_TYPE_TUPLE
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is specified a tuple type is returned for all tuple-like data, else the actual type is returned
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for non-tuple data. If more than one return type optional parameter is specified the last one
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specified determines the return type.
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returns = Comma-separated data, otherwise known as variadic data.
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If the sequence is empty the variadic data is empty. If an
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optional return type other than BOOST_VMD_RETURN_NO_TYPE
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is specified the type and the data of each element is
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returned as part of the variadic data. Otherwise just the data
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of each element is returned, which is the default.
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*/
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#define BOOST_VMD_ENUM_D(d,...) \
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BOOST_VMD_DETAIL_SEQUENCE_ENUM_D(d,__VA_ARGS__) \
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/**/
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#endif /* BOOST_PP_VARIADICS */
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#endif /* BOOST_VMD_ENUM_HPP */
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