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- /*=============================================================================
- 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
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