ceph/src/boost/libs/local_function/include/boost/local_function/aux_/preprocessor/traits/decl_sign_/validate_/this.hpp

   1
   2 // Copyright (C) 2009-2012 Lorenzo Caminiti
   3 // Distributed under the Boost Software License, Version 1.0
   4 // (see accompanying file LICENSE_1_0.txt or a copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6 // Home at http://www.boost.org/libs/local_function
   7
   8 #ifndef BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_HPP_
   9 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_HPP_
  10
  11 #include <boost/local_function/detail/preprocessor/keyword/this.hpp>
  12 #include <boost/local_function/detail/preprocessor/keyword/const.hpp>
  13 #include <boost/local_function/detail/preprocessor/keyword/bind.hpp>
  14 #include <boost/local_function/detail/preprocessor/keyword/const_bind.hpp>
  15 #include <boost/preprocessor/control/iif.hpp>
  16 #include <boost/preprocessor/tuple/eat.hpp>
  17 #include <boost/preprocessor/facilities/empty.hpp>
  18 #include <boost/preprocessor/list/fold_left.hpp>
  19
  20 // PRIVATE //
  21
  22 #define \
  23 BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_TYPED_EAT_(elem) \
  24     /* must be in separate macro to delay expansion */ \
  25     BOOST_PP_TUPLE_EAT(1) elem
  26
  27 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_TYPED_( \
  28         elem) \
  29     BOOST_PP_IIF(BOOST_PP_IS_UNARY(elem), \
  30         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_TYPED_EAT_ \
  31     , \
  32         BOOST_PP_TUPLE_REM(1) \
  33     )(elem)
  34
  35 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_VAR_( \
  36         s, error, elem) \
  37     BOOST_PP_IIF(BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_IS_THIS_BACK( \
  38             BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_TYPED_( \
  39             BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_BIND_REMOVE_FRONT( \
  40             BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_CONST_REMOVE_FRONT( \
  41                     elem)))), \
  42         ERROR_use_this_underscore_instead_of_this BOOST_PP_EMPTY \
  43     , \
  44         error \
  45     )
  46
  47 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_( \
  48         s, error, elem) \
  49     BOOST_PP_IIF(BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_IS_BIND_FRONT(elem), \
  50         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_VAR_ \
  51     , BOOST_PP_IIF(BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_IS_CONST_BIND_FRONT( \
  52             elem), \
  53         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_VAR_ \
  54     , \
  55         error BOOST_PP_TUPLE_EAT(3) \
  56     ))(s, error, elem)
  57
  58 // PUBLIC //
  59
  60 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS(sign) \
  61     BOOST_PP_LIST_FOLD_LEFT( \
  62             BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_, \
  63             BOOST_PP_EMPTY, sign)
  64
  65 #endif // #include guard
  66