ceph/src/boost/libs/local_function/include/boost/local_function/aux_/preprocessor/traits/decl_/append.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_APPEND_HPP_
   9 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_APPEND_HPP_
  10
  11 #include <boost/local_function/aux_/preprocessor/traits/decl_returns.hpp>
  12 #include <boost/local_function/aux_/preprocessor/traits/decl_params.hpp>
  13 #include <boost/local_function/aux_/preprocessor/traits/decl_const_binds.hpp>
  14 #include <boost/local_function/aux_/preprocessor/traits/decl_binds.hpp>
  15 #include <boost/local_function/aux_/preprocessor/traits/decl_error.hpp>
  16 #include <boost/local_function/aux_/preprocessor/traits/param.hpp>
  17 #include <boost/local_function/detail/preprocessor/keyword/return.hpp>
  18 #include <boost/preprocessor/facilities/empty.hpp>
  19 #include <boost/preprocessor/arithmetic/dec.hpp>
  20 #include <boost/preprocessor/list/append.hpp>
  21 #include <boost/preprocessor/list/size.hpp>
  22 #include <boost/preprocessor/list/at.hpp>
  23 #include <boost/preprocessor/list/first_n.hpp>
  24
  25 // PRIVATE //
  26
  27 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_APPEND_PARAM_DEFAULT_( \
  28         params, default_value) \
  29     /* `DEC` ok because precondition that unbinds are not nil-list */ \
  30     BOOST_PP_LIST_APPEND( \
  31         BOOST_PP_LIST_FIRST_N(BOOST_PP_DEC(BOOST_PP_LIST_SIZE(params)), \
  32                 params) \
  33     , \
  34         ( /* list 2-tuple */ \
  35             ( /* (param_decl, default) 2-tuple */ \
  36                 BOOST_LOCAL_FUNCTION_AUX_PP_PARAM_TRAITS_DECL( \
  37                         BOOST_PP_LIST_AT(params, BOOST_PP_DEC( \
  38                                 BOOST_PP_LIST_SIZE(params)))) \
  39             , \
  40                 default_value BOOST_PP_EMPTY \
  41             ) \
  42         , \
  43             BOOST_PP_NIL \
  44         ) \
  45     )
  46
  47 // PUBLIC //
  48
  49 // return_type: `return result_type`.
  50 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_APPEND_RETURN( \
  51         decl_traits, return_type) \
  52     ( /* returns */ \
  53         BOOST_PP_LIST_APPEND( \
  54                 BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_RETURNS(decl_traits), \
  55                 ( BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_RETURN_REMOVE_FRONT( \
  56                   return_type), BOOST_PP_NIL ) ) \
  57     , /* params and defaults */ \
  58         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_PARAMS(decl_traits) \
  59     , /* const-bind vars */ \
  60         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BINDS(decl_traits) \
  61     , /* const-bind `this` types */ \
  62         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BIND_THIS_TYPES( \
  63                 decl_traits) \
  64     , /* bind vars */ \
  65         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BINDS(decl_traits) \
  66     , /* bind `this` types */ \
  67         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BIND_THIS_TYPES(decl_traits) \
  68     , /* error message (if any) */ \
  69         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR(decl_traits) \
  70     )
  71
  72
  73 // param_decl: `[auto | register] type_ name_`.
  74 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_APPEND_PARAM( \
  75         decl_traits, param_decl) \
  76     ( /* returns */ \
  77         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_RETURNS(decl_traits) \
  78     , /* params and defaults */ \
  79         BOOST_PP_LIST_APPEND( \
  80                 BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_PARAMS(decl_traits), \
  81                 /* append param (with no default -- EMPTY) */ \
  82                 ( (param_decl, BOOST_PP_EMPTY), BOOST_PP_NIL ) ) \
  83     , /* const-bind vars */ \
  84         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BINDS(decl_traits) \
  85     , /* const-bind `this` types */ \
  86         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BIND_THIS_TYPES( \
  87                 decl_traits) \
  88     , /* bind vars */ \
  89         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BINDS(decl_traits) \
  90     , /* bind `this` types */ \
  91         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BIND_THIS_TYPES(decl_traits) \
  92     , /* error message (if any) */ \
  93         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR(decl_traits) \
  94     )
  95
  96 // default_value: a valid parameter default value (`-1`, etc).
  97 // Precondition: already added unbinds are not nil-list.
  98 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_APPEND_PARAM_DEFAULT( \
  99         decl_traits, default_value) \
 100     ( /* returns */ \
 101         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_RETURNS(decl_traits) \
 102     , /* unbind params and defaults */ \
 103         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_APPEND_PARAM_DEFAULT_( \
 104                 BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_PARAMS(decl_traits), \
 105                 default_value) /* append default to last added param */ \
 106     , /* const-bind vars */ \
 107         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BINDS(decl_traits) \
 108     , /* const-bind `this` types */ \
 109         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BIND_THIS_TYPES( \
 110                 decl_traits) \
 111     , /* bind vars */ \
 112         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BINDS(decl_traits) \
 113     , /* bind `this` types */ \
 114         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BIND_THIS_TYPES(decl_traits) \
 115     , /* error message (if any) */ \
 116         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR(decl_traits) \
 117     )
 118
 119 // var_without_type: `[&] var_` (var_ != this).
 120 // var_with_type: `PP_EMPTY | type [&] var_` (var_ != this).
 121 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_APPEND_BIND( \
 122         decl_traits, var_without_type, var_with_type) \
 123     ( /* returns */ \
 124         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_RETURNS(decl_traits) \
 125     , /* params and defaults */ \
 126         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_PARAMS(decl_traits) \
 127     , /* const-bind vars */ \
 128         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BINDS(decl_traits) \
 129     , /* const-bind `this` types */ \
 130         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BIND_THIS_TYPES( \
 131                 decl_traits) \
 132     , /* bind vars */ \
 133         BOOST_PP_LIST_APPEND( \
 134                 BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BINDS(decl_traits), \
 135                 ( (var_without_type, var_with_type), BOOST_PP_NIL ) ) \
 136     , /* bind `this` types */ \
 137         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BIND_THIS_TYPES(decl_traits) \
 138     , /* error message (if any) */ \
 139         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR(decl_traits) \
 140     )
 141
 142 // this_type: `PP_EMPTY | type`.
 143 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_APPEND_BIND_THIS_TYPE( \
 144         decl_traits, this_type) \
 145     ( /* returns */ \
 146         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_RETURNS(decl_traits) \
 147     , /* params and defaults */ \
 148         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_PARAMS(decl_traits) \
 149     , /* const-bind vars */ \
 150         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BINDS(decl_traits) \
 151     , /* const-bind `this` types */ \
 152         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BIND_THIS_TYPES( \
 153                 decl_traits) \
 154     , /* bind vars */ \
 155         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BINDS(decl_traits) \
 156     , /* bind `this` types */ \
 157         BOOST_PP_LIST_APPEND( \
 158                 BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BIND_THIS_TYPES( \
 159                         decl_traits), \
 160                 ( (this_type), BOOST_PP_NIL ) ) \
 161     , /* error message (if any) */ \
 162         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR(decl_traits) \
 163     )
 164
 165 // var_without_type: `[&] var_` (var_ != this).
 166 // var_with_type: `BOOST_PP_EMPTY | type_ [&] name_` (var_ != this).
 167 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_APPEND_CONST_BIND( \
 168         decl_traits, var_without_type, var_with_type) \
 169     ( /* returns */ \
 170         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_RETURNS(decl_traits) \
 171     , /* params and defaults */ \
 172         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_PARAMS(decl_traits) \
 173     , /* const-bind vars */ \
 174         BOOST_PP_LIST_APPEND( \
 175                 BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BINDS( \
 176                         decl_traits), \
 177                 ( (var_without_type, var_with_type), BOOST_PP_NIL ) ) \
 178     , /* const-bind `this` types */ \
 179         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BIND_THIS_TYPES( \
 180                 decl_traits) \
 181     , /* bind vars */ \
 182         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BINDS(decl_traits) \
 183     , /* bind `this` types */ \
 184         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BIND_THIS_TYPES(decl_traits) \
 185     , /* error message (if any) */ \
 186         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR(decl_traits) \
 187     )
 188
 189 // this_type: `PP_EMPTY | type`.
 190 #define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_APPEND_CONST_BIND_THIS_TYPE( \
 191         decl_traits, this_type) \
 192     ( /* returns */ \
 193         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_RETURNS(decl_traits) \
 194     , /* params and defaults */ \
 195         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_PARAMS(decl_traits) \
 196     , /* const-bind vars */ \
 197         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BINDS(decl_traits) \
 198     , /* const-bind `this` types */ \
 199         BOOST_PP_LIST_APPEND( \
 200                 BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_CONST_BIND_THIS_TYPES( \
 201                         decl_traits), \
 202                 ( (this_type), BOOST_PP_NIL ) ) \
 203     , /* bind vars */ \
 204         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BINDS(decl_traits) \
 205     , /* bind `this` types */ \
 206         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_BIND_THIS_TYPES(decl_traits) \
 207     , /* error message (if any) */ \
 208         BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR(decl_traits) \
 209     )
 210
 211 #endif // #include guard
 212