wave_config.hpp

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/*=============================================================================
    Boost.Wave: A Standard compliant C++ preprocessor library

    Global application configuration
    
    http://www.boost.org/

    Copyright (c) 2001-2007 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(WAVE_CONFIG_HPP_F143F90A_A63F_4B27_AC41_9CA4F14F538D_INCLUDED)
#define WAVE_CONFIG_HPP_F143F90A_A63F_4B27_AC41_9CA4F14F538D_INCLUDED

#include <boost/config.hpp>
#include <boost/detail/workaround.hpp>
#include <boost/version.hpp>
#include <boost/spirit/version.hpp>
#include <boost/wave/wave_version.hpp>

///////////////////////////////////////////////////////////////////////////////
//  Define the maximal include nesting depth allowed. If this value isn't 
//  defined it defaults to 1024
//
//  To define a new initial include nesting define the following constant 
//  before including this file.
//
#if !defined(BOOST_WAVE_MAX_INCLUDE_LEVEL_DEPTH)
#define BOOST_WAVE_MAX_INCLUDE_LEVEL_DEPTH 1024
#endif

///////////////////////////////////////////////////////////////////////////////
//  Decide, whether to support variadics and placemarkers
//
//  To implement support variadics and placemarkers define the following to 
//  something not equal to zero.
//
#if !defined(BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS)
#define BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS 1
#endif

///////////////////////////////////////////////////////////////////////////////
//  Decide, whether to implement a #warning directive as an extension to the 
//  C++ Standard (same as #error, but emits a warning, not an error)
//
//  To disable the implementation of #warning directives, define the following 
//  constant as zero before including this file.
//
#if !defined(BOOST_WAVE_SUPPORT_WARNING_DIRECTIVE)
#define BOOST_WAVE_SUPPORT_WARNING_DIRECTIVE 1
#endif

///////////////////////////////////////////////////////////////////////////////
//  Decide, whether to implement #pragma once 
//
//  To disable the implementation of #pragma once, define the following 
//  constant as zero before including this file.
//
#if !defined(BOOST_WAVE_SUPPORT_PRAGMA_ONCE)
#define BOOST_WAVE_SUPPORT_PRAGMA_ONCE 1
#endif

///////////////////////////////////////////////////////////////////////////////
//  Decide, whether to implement #pragma message("") 
//
//  To disable the implementation of #pragma message(""), define the following 
//  constant as zero before including this file.
//
#if !defined(BOOST_WAVE_SUPPORT_PRAGMA_MESSAGE)
#define BOOST_WAVE_SUPPORT_PRAGMA_MESSAGE 1
#endif

///////////////////////////////////////////////////////////////////////////////
//  Decide, whether to implement #include_next
//  Please note, that this is an extension to the C++ Standard.
//
//  To disable the implementation of #include_next, define the following 
//  constant as zero before including this file.
//
#if !defined(BOOST_WAVE_SUPPORT_INCLUDE_NEXT)
#define BOOST_WAVE_SUPPORT_INCLUDE_NEXT 1
#endif

///////////////////////////////////////////////////////////////////////////////
//  Undefine the following, to enable some MS specific language extensions:
//  __int8, __int16, __int32, __int64, __based, __declspec, __cdecl, 
//  __fastcall, __stdcall, __try, __except, __finally, __leave, __inline,
//  __asm, #region, #endregion
//
//  Note: By default this is enabled for Windows based systems, otherwise it's 
//        disabled.
#if !defined(BOOST_WAVE_SUPPORT_MS_EXTENSIONS)
#if defined(BOOST_WINDOWS)
#define BOOST_WAVE_SUPPORT_MS_EXTENSIONS 1
#else
#define BOOST_WAVE_SUPPORT_MS_EXTENSIONS 0
#endif
#endif

///////////////////////////////////////////////////////////////////////////////
//  Allow the message body of the #error and #warning directives to be 
//  preprocessed before the diagnostic is issued.
//
//  To disable preprocessing of the body of #error and #warning directives, 
//  define the following constant as zero before including this file.
//
#if !defined(BOOST_WAVE_PREPROCESS_ERROR_MESSAGE_BODY)
#define BOOST_WAVE_PREPROCESS_ERROR_MESSAGE_BODY 1
#endif

///////////////////////////////////////////////////////////////////////////////
//  Allow the #pragma directives to be returned to the caller (optionally after 
//  preprocessing the body) 
//
//  To disable the library to emit unknown #pragma directives, define the 
//  following constant as zero before including this file.
//
#if !defined(BOOST_WAVE_EMIT_PRAGMA_DIRECTIVES)
#define BOOST_WAVE_EMIT_PRAGMA_DIRECTIVES 1
#endif

///////////////////////////////////////////////////////////////////////////////
//  Allow the body of a #pragma directive to be preprocessed before the 
//  directive is returned to the caller.
//
//  To disable the preprocessing of the body of #pragma directives, define the 
//  following constant as zero before including this file.
//
#if !defined(BOOST_WAVE_PREPROCESS_PRAGMA_BODY)
#define BOOST_WAVE_PREPROCESS_PRAGMA_BODY 1
#endif

///////////////////////////////////////////////////////////////////////////////
//  Allow to define macros with the command line syntax (-DMACRO(x)=definition)
//
//  To disable the the possibility to define macros based on the command line 
//  syntax, define the following constant as zero before including this file.
//
#if !defined(BOOST_WAVE_ENABLE_COMMANDLINE_MACROS)
#define BOOST_WAVE_ENABLE_COMMANDLINE_MACROS 1
#endif

///////////////////////////////////////////////////////////////////////////////
//  Define the pragma keyword to be used by the library to recognize its own
//  pragma's. If nothing else is defined, then 'wave' will be used as the 
//  default keyword, i.e. the library recognizes all 
//
//      #pragma wave option [(argument)]
//
//  and dispatches the handling to the interpret_pragma() preprocessing hook 
//  function (see file: preprocessing_hooks.hpp). The arguments part of the
//  pragma is optional.
//  The BOOST_WAVE_PRAGMA_KEYWORD constant needs to be defined to
//  resolve as a string literal value.
#if !defined(BOOST_WAVE_PRAGMA_KEYWORD)
#define BOOST_WAVE_PRAGMA_KEYWORD "wave"
#endif 

///////////////////////////////////////////////////////////////////////////////
//  Define the string type to be used to store the token values and the file 
//  names inside a file_position template class
//
#if !defined(BOOST_WAVE_STRINGTYPE)

#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) || \
    BOOST_WORKAROUND(__MWERKS__, < 0x3200) || \
    (defined(__DECCXX) && defined(__alpha)) || \
    defined(BOOST_WAVE_STRINGTYPE_USE_STDSTRING)
    
// VC7 isn't able to compile the flex_string class, fall back to std::string 
// CW up to 8.3 chokes as well *sigh*
// Tru64/CXX has linker problems when using flex_string
#define BOOST_WAVE_STRINGTYPE std::string
#if !defined(BOOST_WAVE_STRINGTYPE_USE_STDSTRING)
#define BOOST_WAVE_STRINGTYPE_USE_STDSTRING 1
#endif

#else
// use the following, if you have a fast std::allocator<char>
#define BOOST_WAVE_STRINGTYPE boost::wave::util::flex_string< \
        char, std::char_traits<char>, std::allocator<char>, \
        boost::wave::util::CowString</*char, */\
            boost::wave::util::AllocatorStringStorage<char> \
        > \
    > \
    /**/
    
/* #define BOOST_WAVE_STRINGTYPE boost::wave::util::flex_string< \
        char, std::char_traits<char>, boost::fast_pool_allocator<char>, \
        boost::wave::util::CowString<char, \
            boost::wave::util::AllocatorStringStorage<char, \
              boost::fast_pool_allocator<char> \
            > \
        > \
    > \
*/    /**/
    
//  This include is needed for the flex_string class used in the 
//  BOOST_WAVE_STRINGTYPE above.
#include <boost/wave/util/flex_string.hpp>