ceph/src/boost/libs/preprocessor/doc/examples/catch_builtin.cpp

   1 # /* Copyright (C) 2002
   2 #  * Housemarque Oy
   3 #  * http://www.housemarque.com
   4 #  *
   5 #  * Distributed under the Boost Software License, Version 1.0. (See
   6 #  * accompanying file LICENSE_1_0.txt or copy at
   7 #  * http://www.boost.org/LICENSE_1_0.txt)
   8 #  */
   9 #
  10 # /* Revised by Paul Mensonides (2002) */
  11 #
  12 # /* See http://www.boost.org for most recent version. */
  13 #
  14 # /* This example demonstrates the usage of lists and BOOST_PP_LIST_FOR_EACH(). */
  15 #
  16 # include <iostream>
  17 # include <typeinfo>
  18 #
  19 # include <boost/preprocessor/list/for_each.hpp>
  20 # include <boost/preprocessor/tuple/to_list.hpp>
  21 #
  22 # /* List of built-in types.  (Strictly speaking wchar_t should be on the list.) */
  23 #
  24 # define BUILTIN_TYPES \
  25    BOOST_PP_TUPLE_TO_LIST( \
  26       13, \
  27       ( \
  28          bool, \
  29          char, signed char, unsigned char, \
  30          unsigned short, short, \
  31          int, unsigned, \
  32          long, unsigned long, \
  33          float, \
  34          double, long double \
  35       ) \
  36    ) \
  37    /**/
  38 #
  39 # define CATCH(R, _, T) \
  40    catch (T t) { \
  41       std::cerr << "Caught an " << typeid(t).name() << " = " << t; \
  42    } \
  43    /**/
  44
  45 int main() {
  46    try {
  47       throw 10;
  48    }
  49    BOOST_PP_LIST_FOR_EACH(CATCH, _, BUILTIN_TYPES)
  50    return 0;
  51 }