ceph/src/boost/libs/spirit/example/qi/compiler_tutorial/conjure3/conjure_static_lexer_generate.cpp

   1 //  Copyright (c) 2001-2011 Hartmut Kaiser
   2 //
   3 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 // This small utility program generates the 2 static lexers, the static table
   7 // driven and the static switch based lexer.
   8
   9 #include <fstream>
  10 #include <iostream>
  11
  12 #include "lexer_def.hpp"
  13 #include <boost/spirit/include/lex_generate_static_lexertl.hpp>
  14
  15 int main()
  16 {
  17     typedef std::string::const_iterator base_iterator_type;
  18     typedef client::lexer::conjure_tokens<base_iterator_type> lexer_type;
  19
  20     lexer_type lexer;
  21
  22     // first generate the static switch based lexer
  23     std::ofstream out_static("conjure_static_switch_lexer.hpp");
  24
  25     bool result = boost::spirit::lex::lexertl::generate_static_switch(
  26         lexer, out_static, "conjure_static_switch");
  27     if (!result) {
  28         std::cerr << "Failed to generate static switch based lexer\n";
  29         return -1;
  30     }
  31
  32     // now generate the static table based lexer
  33     std::ofstream out("conjure_static_lexer.hpp");
  34     result = boost::spirit::lex::lexertl::generate_static(
  35         lexer, out, "conjure_static");
  36     if (!result) {
  37         std::cerr << "Failed to generate static table based lexer\n";
  38         return -1;
  39     }
  40
  41     return 0;
  42 }
  43