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Editing: language_support.hpp
/*============================================================================= Boost.Wave: A Standard compliant C++ preprocessor library Definition of the various language support constants http://www.boost.org/ Copyright (c) 2001-2012 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_LANGUAGE_SUPPORT_HPP_93EDD057_2DEF_44BC_BC9F_FDABB9F51AFA_INCLUDED) #define BOOST_LANGUAGE_SUPPORT_HPP_93EDD057_2DEF_44BC_BC9F_FDABB9F51AFA_INCLUDED #include <boost/wave/wave_config.hpp> // this must occur after all of the includes and before any code appears #ifdef BOOST_HAS_ABI_HEADERS #include BOOST_ABI_PREFIX #endif /////////////////////////////////////////////////////////////////////////////// namespace boost { namespace wave { enum language_support { // support flags for C++98 support_normal = 0x01, support_cpp = support_normal, support_option_long_long = 0x02, #if BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0 // support flags for C99 support_option_variadics = 0x04, support_c99 = support_option_variadics | support_option_long_long | 0x08, #endif #if BOOST_WAVE_SUPPORT_CPP0X != 0 // support flags for C++11 support_option_no_newline_at_end_of_file = 0x20, support_cpp0x = support_option_variadics | support_option_long_long | support_option_no_newline_at_end_of_file | 0x10, support_cpp11 = support_cpp0x, #if BOOST_WAVE_SUPPORT_CPP1Z != 0 // support flags for C++17 support_option_has_include = 0x10000, support_cpp1z = support_option_variadics | support_option_long_long | support_option_no_newline_at_end_of_file | support_option_has_include | 0x20000, support_cpp17 = support_cpp1z, #if BOOST_WAVE_SUPPORT_CPP2A != 0 // support flags for C++20 support_option_va_opt = 0x40000, support_cpp2a = support_option_variadics | support_option_long_long | support_option_no_newline_at_end_of_file | support_option_has_include | support_option_va_opt | 0x80000, support_cpp20 = support_cpp2a, #endif #endif #endif support_option_mask = 0xFFC0, support_option_emit_contnewlines = 0x0040, support_option_insert_whitespace = 0x0080, support_option_preserve_comments = 0x0100, support_option_no_character_validation = 0x0200, support_option_convert_trigraphs = 0x0400, support_option_single_line = 0x0800, support_option_prefer_pp_numbers = 0x1000, support_option_emit_line_directives = 0x2000, support_option_include_guard_detection = 0x4000, support_option_emit_pragma_directives = 0x8000 }; /////////////////////////////////////////////////////////////////////////////// // // need_cpp // // Extract, if the language to support is C++98 // /////////////////////////////////////////////////////////////////////////////// inline bool need_cpp(language_support language) { return (language & ~support_option_mask) == support_cpp; } /////////////////////////////////////////////////////////////////////////////// // // need_cpp0x // // Extract, if the language to support is C++11 // /////////////////////////////////////////////////////////////////////////////// #if BOOST_WAVE_SUPPORT_CPP0X != 0 inline bool need_cpp0x(language_support language) { return (language & ~support_option_mask) == support_cpp0x; } #else inline bool need_cpp0x(language_support language) { return false; } #endif /////////////////////////////////////////////////////////////////////////////// // // need_cpp2a // // Extract if the language to support is C++20 // /////////////////////////////////////////////////////////////////////////////// #if BOOST_WAVE_SUPPORT_CPP2A != 0 inline bool need_cpp2a(language_support language) { return (language & ~support_option_mask) == support_cpp2a; } #else inline bool need_cpp2a(language_support language) { return false; } #endif #if BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0 /////////////////////////////////////////////////////////////////////////////// // // need_c99 // // Extract, if the language to support is C99 // /////////////////////////////////////////////////////////////////////////////// inline bool need_c99(language_support language) { return (language & ~support_option_mask) == support_c99; } #else // BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0 /////////////////////////////////////////////////////////////////////////////// inline bool need_variadics(language_support language) { return false; } /////////////////////////////////////////////////////////////////////////////// inline language_support enable_variadics(language_support language, bool enable = true) { return language; } ////////////////////////////////////////////////////////////////////////////// inline bool need_c99(language_support language) { return false; } #endif // BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0 /////////////////////////////////////////////////////////////////////////////// // // get_support_options // // Set preserve comments support in the language to support // /////////////////////////////////////////////////////////////////////////////// inline language_support get_support_options(language_support language) { return static_cast<language_support>(language & support_option_mask); } /////////////////////////////////////////////////////////////////////////////// // // set_support_options // // Set language option (for fine tuning of lexer behavior) // /////////////////////////////////////////////////////////////////////////////// inline language_support set_support_options(language_support language, language_support option) { return static_cast<language_support>( (language & ~support_option_mask) | (option & support_option_mask)); } /////////////////////////////////////////////////////////////////////////////// // Get and set different language options #define BOOST_WAVE_NEED_OPTION(option) \ inline bool need_ ## option(language_support language) \ { \ return (language & support_option_ ## option) ? true : false; \ } \ /**/ #define BOOST_WAVE_ENABLE_OPTION(option) \ inline language_support \ enable_ ## option(language_support language, bool enable = true) \ { \ if (enable) \ return static_cast<language_support>(language | support_option_ ## option); \ return static_cast<language_support>(language & ~support_option_ ## option); \ } \ /**/ #define BOOST_WAVE_OPTION(option) \ BOOST_WAVE_NEED_OPTION(option) \ BOOST_WAVE_ENABLE_OPTION(option) \ /**/ /////////////////////////////////////////////////////////////////////////////// BOOST_WAVE_OPTION(long_long) // support_option_long_long BOOST_WAVE_OPTION(no_character_validation) // support_option_no_character_validation BOOST_WAVE_OPTION(preserve_comments) // support_option_preserve_comments BOOST_WAVE_OPTION(prefer_pp_numbers) // support_option_prefer_pp_numbers BOOST_WAVE_OPTION(emit_line_directives) // support_option_emit_line_directives BOOST_WAVE_OPTION(single_line) // support_option_single_line BOOST_WAVE_OPTION(convert_trigraphs) // support_option_convert_trigraphs #if BOOST_WAVE_SUPPORT_PRAGMA_ONCE != 0 BOOST_WAVE_OPTION(include_guard_detection) // support_option_include_guard_detection #endif #if BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0 BOOST_WAVE_OPTION(variadics) // support_option_variadics #endif #if BOOST_WAVE_SUPPORT_VA_OPT != 0 BOOST_WAVE_OPTION(va_opt) // support_option_va_opt #endif #if BOOST_WAVE_EMIT_PRAGMA_DIRECTIVES != 0 BOOST_WAVE_OPTION(emit_pragma_directives) // support_option_emit_pragma_directives #endif BOOST_WAVE_OPTION(insert_whitespace) // support_option_insert_whitespace BOOST_WAVE_OPTION(emit_contnewlines) // support_option_emit_contnewlines #if BOOST_WAVE_SUPPORT_CPP0X != 0 BOOST_WAVE_OPTION(no_newline_at_end_of_file) // support_no_newline_at_end_of_file #endif #if BOOST_WAVE_SUPPORT_HAS_INCLUDE != 0 BOOST_WAVE_OPTION(has_include) // support_option_has_include #endif #undef BOOST_WAVE_NEED_OPTION #undef BOOST_WAVE_ENABLE_OPTION #undef BOOST_WAVE_OPTION /////////////////////////////////////////////////////////////////////////////// } // namespace wave } // namespace boost // the suffix header occurs after all of the code #ifdef BOOST_HAS_ABI_HEADERS #include BOOST_ABI_SUFFIX #endif #endif // !defined(BOOST_LANGUAGE_SUPPORT_HPP_93EDD057_2DEF_44BC_BC9F_FDABB9F51AFA_INCLUDED)
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