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- // Copyright (c) 2001-2010 Hartmut Kaiser
- //
- // Distributed under 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)
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/config/warning_disable.hpp>
- #include <boost/spirit/include/lex_lexertl.hpp>
- #include <boost/spirit/include/qi_parse.hpp>
- #include <boost/spirit/include/qi_operator.hpp>
- #include <boost/spirit/include/qi_action.hpp>
- #include <boost/spirit/include/qi_grammar.hpp>
- #include <boost/spirit/include/phoenix_operator.hpp>
- #include <iostream>
- #include <string>
- namespace qi = boost::spirit::qi;
- namespace lex = boost::spirit::lex;
- enum tokenids
- {
- IDWORD = lex::min_token_id,
- IDCHAR,
- IDANY
- };
- template <typename Lexer>
- struct word_count_tokens : lex::lexer<Lexer>
- {
- word_count_tokens()
- {
- this->self.add_pattern
- ("TEST", "A")
- ;
- this->self =
- lex::string("{TEST}", IDWORD)
- | lex::char_('a', IDCHAR)
- | lex::string(".", IDANY)
- ;
- }
- };
- template <typename Iterator>
- struct word_count_grammar : qi::grammar<Iterator>
- {
- template <typename TokenDef>
- word_count_grammar(TokenDef const&)
- : word_count_grammar::base_type(start)
- , w(0), c(0), a(0)
- {
- using boost::phoenix::ref;
- using qi::token;
- start = *( token(IDWORD) [++ref(w)]
- | token(IDCHAR) [++ref(c)]
- | token(IDANY) [++ref(a)]
- )
- ;
- }
- std::size_t w, c, a;
- qi::rule<Iterator> start;
- };
- int main()
- {
- typedef lex::lexertl::token<
- const char*, boost::mpl::vector<std::string>
- > token_type;
- typedef lex::lexertl::lexer<token_type> lexer_type;
- typedef word_count_tokens<lexer_type>::iterator_type iterator_type;
- word_count_tokens<lexer_type> word_count; // Our lexer
- word_count_grammar<iterator_type> g (word_count); // Our parser
- std::string str ("AaBCD");
- char const* first = str.c_str();
- char const* last = &first[str.size()];
- BOOST_TEST(lex::tokenize_and_parse(first, last, word_count, g));
- BOOST_TEST(g.w == 1 && g.c == 1 && g.a == 3);
- return boost::report_errors();
- }
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