ceph/src/boost/libs/spirit/classic/test/grammar_multi_instance_tst.cpp

   1 /*=============================================================================
   2     Copyright (c) 2004 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 #include <iostream>
  10 #include <boost/detail/lightweight_test.hpp>
  11 #include <boost/spirit/include/classic_core.hpp>
  12
  13 using namespace BOOST_SPIRIT_CLASSIC_NS;
  14 using namespace std;
  15
  16 int g_count = 0;
  17
  18 struct g : public grammar<g>
  19 {
  20     template <typename ScannerT>
  21     struct definition
  22     {
  23         definition(g const& /*self*/)
  24         {
  25             g_count++;
  26         }
  27
  28         rule<ScannerT> r;
  29         rule<ScannerT> const& start() const { return r; }
  30     };
  31 };
  32
  33 void
  34 grammar_tests()
  35 {
  36     g my_g;
  37     parse("", my_g);
  38 }
  39
  40 int
  41 main()
  42 {
  43     grammar_tests();
  44     grammar_tests();
  45     grammar_tests();
  46     BOOST_TEST(g_count == 3);
  47
  48     return boost::report_errors();
  49 }
  50