ceph/src/boost/libs/spirit/classic/example/techniques/typeof.cpp

   1 /*=============================================================================
   2     Copyright (c) 2002-2003 Joel de Guzman
   3     http://spirit.sourceforge.net/
   4
   5     Use, modification and distribution is subject to the Boost Software
   6     License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7     http://www.boost.org/LICENSE_1_0.txt)
   8 =============================================================================*/
   9
  10 // *** See the section "typeof" in chapter "Techniques" of
  11 // *** the Spirit documentation for information regarding
  12 // *** this snippet.
  13
  14 #include <iostream>
  15 #include <boost/spirit/include/classic_core.hpp>
  16 #include <boost/typeof/typeof.hpp>
  17 #include <boost/assert.hpp>
  18
  19 using namespace BOOST_SPIRIT_CLASSIC_NS;
  20
  21 #define RULE(name, definition) BOOST_TYPEOF(definition) name = definition
  22
  23 int
  24 main()
  25 {
  26     RULE(
  27         skipper,
  28         (       space_p
  29             |   "//" >> *(anychar_p - '\n') >> '\n'
  30             |   "/*" >> *(anychar_p - "*/") >> "*/"
  31         )
  32     );
  33
  34     bool success = parse(
  35         "/*this is a comment*/\n//this is a c++ comment\n\n",
  36         *skipper).full;
  37     BOOST_ASSERT(success);
  38     std::cout << "SUCCESS!!!\n";
  39     return 0;
  40 }
  41