| /*============================================================================= |
| Copyright (c) 2001-2011 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(BOOST_SPIRIT_CONJURE_LEXER_CONFIG_HPP) |
| #define BOOST_SPIRIT_CONJURE_LEXER_CONFIG_HPP |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // The conjure lexer example can be built in 3 different variations: |
| // |
| // - With a lexer using runtime generated DFA tables |
| // - With a lexer using pre-generated (static) DFA tables |
| // - With a lexer using a pre-generated custom switch based state machine |
| // |
| // Use one of the following preprocessor constants to define, which of those |
| // will be built: |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Use the lexer based on runtime generated DFA tables |
| // #define CONJURE_LEXER_DYNAMIC_TABLES 1 |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Use the lexer based on pre-generated static DFA tables |
| // #define CONJURE_LEXER_STATIC_TABLES 1 |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Use the lexer based on runtime generated DFA tables |
| // #define CONJURE_LEXER_STATIC_SWITCH 1 |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // The default is to use the dynamic table driven lexer |
| #if CONJURE_LEXER_DYNAMIC_TABLES == 0 && \ |
| CONJURE_LEXER_STATIC_TABLES == 0 && \ |
| CONJURE_LEXER_STATIC_SWITCH == 0 |
| |
| #define CONJURE_LEXER_DYNAMIC_TABLES 1 |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Make sure we have only one lexer type selected |
| #if (CONJURE_LEXER_DYNAMIC_TABLES != 0 && CONJURE_LEXER_STATIC_TABLES != 0) || \ |
| (CONJURE_LEXER_DYNAMIC_TABLES != 0 && CONJURE_LEXER_STATIC_SWITCH != 0) || \ |
| (CONJURE_LEXER_STATIC_TABLES != 0 && CONJURE_LEXER_STATIC_SWITCH != 0) |
| |
| #error "Configuration problem: please select exactly one type of lexer to build" |
| #endif |
| |
| #endif |
| |
