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/*=============================================================================
Copyright (c) 2002-2003 Joel de Guzman
http://spirit.sourceforge.net/
Use, modification and distribution is subject to the Boost Software
License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
// *** See the section "Look Ma' No Rules" in
// *** chapter "Techniques" of the Spirit documentation
// *** for information regarding this snippet
#include <iostream>
#include <boost/spirit/include/classic_core.hpp>
#include <boost/assert.hpp>
using namespace BOOST_SPIRIT_CLASSIC_NS;
struct skip_grammar : grammar<skip_grammar>
{
template <typename ScannerT>
struct definition
{
definition(skip_grammar const& /*self*/)
: skip
( space_p
| "//" >> *(anychar_p - '\n') >> '\n'
| "/*" >> *(anychar_p - "*/") >> "*/"
)
{
}
typedef
alternative<alternative<space_parser, sequence<sequence<
strlit<const char*>, kleene_star<difference<anychar_parser,
chlit<char> > > >, chlit<char> > >, sequence<sequence<
strlit<const char*>, kleene_star<difference<anychar_parser,
strlit<const char*> > > >, strlit<const char*> > >
skip_t;
skip_t skip;
skip_t const&
start() const { return skip; }
};
};
int
main()
{
skip_grammar g;
bool success = parse(
"/*this is a comment*/\n//this is a c++ comment\n\n",
*g).full;
BOOST_ASSERT(success);
std::cout << "SUCCESS!!!\n";
return 0;
}
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