Chris@16: /*=============================================================================
Chris@16:     Boost.Wave: A Standard compliant C++ preprocessor library
Chris@16:     Definition of the various language support constants
Chris@16: 
Chris@16:     http://www.boost.org/
Chris@16: 
Chris@16:     Copyright (c) 2001-2012 Hartmut Kaiser. Distributed under the Boost
Chris@16:     Software License, Version 1.0. (See accompanying file
Chris@16:     LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: =============================================================================*/
Chris@16: #if !defined(LANGUAGE_SUPPORT_HPP_93EDD057_2DEF_44BC_BC9F_FDABB9F51AFA_INCLUDED)
Chris@16: #define LANGUAGE_SUPPORT_HPP_93EDD057_2DEF_44BC_BC9F_FDABB9F51AFA_INCLUDED
Chris@16: 
Chris@16: #include <boost/wave/wave_config.hpp>
Chris@16: 
Chris@16: // this must occur after all of the includes and before any code appears
Chris@16: #ifdef BOOST_HAS_ABI_HEADERS
Chris@16: #include BOOST_ABI_PREFIX
Chris@16: #endif
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: namespace boost {
Chris@16: namespace wave {
Chris@16: 
Chris@16: enum language_support {
Chris@16: //  support flags for C++98
Chris@16:     support_normal = 0x01,
Chris@16:     support_cpp = support_normal,
Chris@16: 
Chris@16:     support_option_long_long = 0x02,
Chris@16: 
Chris@16: #if BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0
Chris@16: //  support flags for C99
Chris@16:     support_option_variadics = 0x04,
Chris@16:     support_c99 = support_option_variadics | support_option_long_long | 0x08,
Chris@16: #endif
Chris@16: #if BOOST_WAVE_SUPPORT_CPP0X != 0
Chris@16:     support_cpp0x = support_option_variadics | support_option_long_long | 0x10,
Chris@16:     support_cpp11 = support_cpp0x,
Chris@16: #endif
Chris@16: 
Chris@16:     support_option_mask = 0xFFC0,
Chris@16:     support_option_emit_contnewlines = 0x0040,
Chris@16:     support_option_insert_whitespace = 0x0080,
Chris@16:     support_option_preserve_comments = 0x0100,
Chris@16:     support_option_no_character_validation = 0x0200,
Chris@16:     support_option_convert_trigraphs = 0x0400,
Chris@16:     support_option_single_line = 0x0800,
Chris@16:     support_option_prefer_pp_numbers = 0x1000,
Chris@16:     support_option_emit_line_directives = 0x2000,
Chris@16:     support_option_include_guard_detection = 0x4000,
Chris@16:     support_option_emit_pragma_directives = 0x8000
Chris@16: };
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: //  need_cpp
Chris@16: //
Chris@16: //      Extract, if the language to support is C++98
Chris@16: //
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: inline bool
Chris@16: need_cpp(language_support language)
Chris@16: {
Chris@16:     return (language & ~support_option_mask) == support_cpp;
Chris@16: }
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: //  need_cpp0x
Chris@16: //
Chris@16: //      Extract, if the language to support is C++11
Chris@16: //
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: #if BOOST_WAVE_SUPPORT_CPP0X != 0
Chris@16: 
Chris@16: inline bool
Chris@16: need_cpp0x(language_support language)
Chris@16: {
Chris@16:     return (language & ~support_option_mask) == support_cpp0x;
Chris@16: }
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16: inline bool
Chris@16: need_cpp0x(language_support language)
Chris@16: {
Chris@16:     return false;
Chris@16: }
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: #if BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: //  need_c99
Chris@16: //
Chris@16: //      Extract, if the language to support is C99
Chris@16: //
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: inline bool
Chris@16: need_c99(language_support language)
Chris@16: {
Chris@16:     return (language & ~support_option_mask) == support_c99;
Chris@16: }
Chris@16: 
Chris@16: #else  // BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: inline bool
Chris@16: need_variadics(language_support language)
Chris@16: {
Chris@16:     return false;
Chris@16: }
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: inline language_support
Chris@16: enable_variadics(language_support language, bool enable = true)
Chris@16: {
Chris@16:     return language;
Chris@16: }
Chris@16: 
Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: inline bool
Chris@16: need_c99(language_support language)
Chris@16: {
Chris@16:     return false;
Chris@16: }
Chris@16: 
Chris@16: #endif // BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: //  get_support_options
Chris@16: //
Chris@16: //      Set preserve comments support in the language to support
Chris@16: //
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: inline language_support
Chris@16: get_support_options(language_support language)
Chris@16: {
Chris@16:     return static_cast<language_support>(language & support_option_mask);
Chris@16: }
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: //  set_support_options
Chris@16: //
Chris@16: //      Set language option (for fine tuning of lexer behavior)
Chris@16: //
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: inline language_support
Chris@16: set_support_options(language_support language, language_support option)
Chris@16: {
Chris@16:     return static_cast<language_support>(
Chris@16:         (language & ~support_option_mask) | (option & support_option_mask));
Chris@16: }
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: //  Get and set different language options
Chris@16: #define BOOST_WAVE_NEED_OPTION(option)                                        \
Chris@16:     inline bool need_ ## option(language_support language)                    \
Chris@16:     {                                                                         \
Chris@16:         return (language & support_option_ ## option) ? true : false;         \
Chris@16:     }                                                                         \
Chris@16:     /**/
Chris@16: 
Chris@16: #define BOOST_WAVE_ENABLE_OPTION(option)                                      \
Chris@16:     inline language_support                                                   \
Chris@16:     enable_ ## option(language_support language, bool enable = true)          \
Chris@16:     {                                                                         \
Chris@16:         if (enable)                                                           \
Chris@16:             return static_cast<language_support>(language | support_option_ ## option); \
Chris@16:         return static_cast<language_support>(language & ~support_option_ ## option);    \
Chris@16:     }                                                                         \
Chris@16:     /**/
Chris@16: 
Chris@16: #define BOOST_WAVE_OPTION(option)                                             \
Chris@16:     BOOST_WAVE_NEED_OPTION(option)                                            \
Chris@16:     BOOST_WAVE_ENABLE_OPTION(option)                                          \
Chris@16:     /**/
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: BOOST_WAVE_OPTION(long_long)                // support_option_long_long
Chris@16: BOOST_WAVE_OPTION(no_character_validation)  // support_option_no_character_validation
Chris@16: BOOST_WAVE_OPTION(preserve_comments)        // support_option_preserve_comments
Chris@16: BOOST_WAVE_OPTION(prefer_pp_numbers)        // support_option_prefer_pp_numbers
Chris@16: BOOST_WAVE_OPTION(emit_line_directives)     // support_option_emit_line_directives
Chris@16: BOOST_WAVE_OPTION(single_line)              // support_option_single_line
Chris@16: BOOST_WAVE_OPTION(convert_trigraphs)        // support_option_convert_trigraphs
Chris@16: #if BOOST_WAVE_SUPPORT_PRAGMA_ONCE != 0
Chris@16: BOOST_WAVE_OPTION(include_guard_detection)  // support_option_include_guard_detection
Chris@16: #endif
Chris@16: #if BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0
Chris@16: BOOST_WAVE_OPTION(variadics)                // support_option_variadics
Chris@16: #endif
Chris@16: #if BOOST_WAVE_EMIT_PRAGMA_DIRECTIVES != 0
Chris@16: BOOST_WAVE_OPTION(emit_pragma_directives)   // support_option_emit_pragma_directives
Chris@16: #endif
Chris@16: BOOST_WAVE_OPTION(insert_whitespace)        // support_option_insert_whitespace
Chris@16: BOOST_WAVE_OPTION(emit_contnewlines)        // support_option_emit_contnewlines
Chris@16: 
Chris@16: #undef BOOST_WAVE_NEED_OPTION
Chris@16: #undef BOOST_WAVE_ENABLE_OPTION
Chris@16: #undef BOOST_WAVE_OPTION
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: }   // namespace wave
Chris@16: }   // namespace boost
Chris@16: 
Chris@16: // the suffix header occurs after all of the code
Chris@16: #ifdef BOOST_HAS_ABI_HEADERS
Chris@16: #include BOOST_ABI_SUFFIX
Chris@16: #endif
Chris@16: 
Chris@16: #endif // !defined(LANGUAGE_SUPPORT_HPP_93EDD057_2DEF_44BC_BC9F_FDABB9F51AFA_INCLUDED)