ceph/src/boost/boost/metaparse/v1/cpp98/impl/update_c.hpp

   1 #ifndef BOOST_METAPARSE_V1_CPP98_IMPL_UPDATE_C_HPP
   2 #define BOOST_METAPARSE_V1_CPP98_IMPL_UPDATE_C_HPP
   3
   4 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2013.
   5 // Distributed under the Boost Software License, Version 1.0.
   6 //    (See accompanying file LICENSE_1_0.txt or copy at
   7 //          http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #include <boost/metaparse/v1/cpp98/fwd/string.hpp>
  10
  11 #include <boost/preprocessor/arithmetic/dec.hpp>
  12 #include <boost/preprocessor/arithmetic/inc.hpp>
  13 #include <boost/preprocessor/cat.hpp>
  14 #include <boost/preprocessor/punctuation/comma_if.hpp>
  15 #include <boost/preprocessor/repetition/enum_params.hpp>
  16 #include <boost/preprocessor/repetition/repeat.hpp>
  17 #include <boost/preprocessor/repetition/repeat_from_to.hpp>
  18
  19 namespace boost
  20 {
  21   namespace metaparse
  22   {
  23     namespace v1
  24     {
  25       namespace impl
  26       {
  27         template <class S, int N, int C>
  28         struct update_c;
  29
  30         #ifdef BOOST_METAPARSE_ARGN
  31         #  error BOOST_METAPARSE_ARGN already defined
  32         #endif
  33         #define BOOST_METAPARSE_ARGN(z, n, unused) , BOOST_PP_CAT(C, n)
  34
  35         #ifdef BOOST_METAPARSE_UPDATE
  36         #  error BOOST_METAPARSE_UPDATE already defined
  37         #endif
  38         #define BOOST_METAPARSE_UPDATE(z, n, unused) \
  39           template < \
  40             BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, int C), \
  41             int Ch \
  42           > \
  43           struct update_c< \
  44             string<BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, C)>,\
  45             n, \
  46             Ch \
  47           > : \
  48             string< \
  49               BOOST_PP_ENUM_PARAMS(n, C) BOOST_PP_COMMA_IF(n) \
  50               Ch \
  51               BOOST_PP_REPEAT_FROM_TO( \
  52                 BOOST_PP_INC(n), \
  53                 BOOST_PP_DEC(BOOST_METAPARSE_LIMIT_STRING_SIZE), \
  54                 BOOST_METAPARSE_ARGN, \
  55                 ~ \
  56               ) \
  57             > \
  58           {};
  59
  60         BOOST_PP_REPEAT(
  61           BOOST_METAPARSE_LIMIT_STRING_SIZE,
  62           BOOST_METAPARSE_UPDATE,
  63           ~
  64         )
  65
  66         #undef BOOST_METAPARSE_UPDATE
  67         #undef BOOST_METAPARSE_ARGN
  68       }
  69     }
  70   }
  71 }
  72
  73 #endif
  74