forked from boostorg/fusion
Fusion: adapt-macros: allow empty boost.pp sequences; refs #5093
[SVN r68303]
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@@ -1,7 +1,7 @@
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/*=============================================================================
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Copyright (c) 2001-2009 Joel de Guzman
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Copyright (c) 2005-2006 Dan Marsden
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Copyright (c) 2009-2010 Christopher Schmidt
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Copyright (c) 2009-2011 Christopher Schmidt
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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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@@ -23,6 +23,7 @@
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#include <boost/preprocessor/seq/seq.hpp>
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#include <boost/preprocessor/tuple/eat.hpp>
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#include <boost/preprocessor/tuple/elem.hpp>
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#include <boost/preprocessor/arithmetic/dec.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/mpl/tag.hpp>
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#include <boost/mpl/eval_if.hpp>
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@@ -185,18 +186,21 @@ namespace boost
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\
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namespace extension \
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{ \
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BOOST_PP_SEQ_FOR_EACH_I_R( \
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1, \
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BOOST_FUSION_ADAPT_STRUCT_BASE_UNPACK_AND_CALL, \
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(ATTRIBUTES_CALLBACK,TEMPLATE_PARAMS_SEQ,NAME_SEQ), \
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ATTRIBUTES_SEQ) \
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BOOST_PP_IF( \
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BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \
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BOOST_PP_SEQ_FOR_EACH_I_R, \
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BOOST_PP_TUPLE_EAT(4))( \
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1, \
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BOOST_FUSION_ADAPT_STRUCT_BASE_UNPACK_AND_CALL, \
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(ATTRIBUTES_CALLBACK,TEMPLATE_PARAMS_SEQ,NAME_SEQ), \
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BOOST_PP_SEQ_TAIL(ATTRIBUTES_SEQ)) \
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\
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template< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS( \
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TEMPLATE_PARAMS_SEQ) \
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> \
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struct struct_size<BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)> \
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: mpl::int_<BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)> \
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: mpl::int_<BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ))> \
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{}; \
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\
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template< \
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