// 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) #if !defined(SPIRIT_LEXER_EXAMPLE_WORD_COUNT_TOKENS_FEB_10_2008_0739PM) #define SPIRIT_LEXER_EXAMPLE_WORD_COUNT_TOKENS_FEB_10_2008_0739PM /////////////////////////////////////////////////////////////////////////////// // Token definition: We keep the base class for the token definition as a // template parameter to allow this class to be used for // both: the code generation and the lexical analysis /////////////////////////////////////////////////////////////////////////////// //[wc_static_tokenids enum tokenids { IDANY = boost::spirit::lex::min_token_id + 1, }; //] //[wc_static_tokendef // This token definition class can be used without any change for all three // possible use cases: a dynamic lexical analyzer, a code generator, and a // static lexical analyzer. template struct word_count_tokens : boost::spirit::lex::lexer { word_count_tokens() : word_count_tokens::base_type( boost::spirit::lex::match_flags::match_not_dot_newline) { // define tokens and associate them with the lexer word = "[^ \t\n]+"; this->self = word | '\n' | boost::spirit::lex::token_def<>(".", IDANY); } boost::spirit::lex::token_def word; }; //] #endif