#ifndef BOOST_PREPROCESSOR_STRINGIZE_HPP #define BOOST_PREPROCESSOR_STRINGIZE_HPP /* Copyright (C) 2001 * Housemarque Oy * http://www.housemarque.com * * Permission to copy, use, modify, sell and distribute this software is * granted provided this copyright notice appears in all copies. This * software is provided "as is" without express or implied warranty, and * with no claim as to its suitability for any purpose. * * See http://www.boost.org for most recent version. */ /** \file Click here to see the header. */ /** Delays the stringization of X. For example,
\verbatim #define NOTE(STR)\ message(__FILE__ "(" BOOST_PP_STRINGIZE(__LINE__) ") : " STR) // ... #pragma NOTE("TBD!") \endverbatimexpands to:
\verbatim #pragma message("examples.cpp" "(" "20" ") : " "TBD!") \endverbatimThe use of BOOST_PP_STRINGIZE() above lets the PP expand the __LINE__ before stringizing it. If # would be used directly, the code would expand to:
\verbatim #pragma message("examples.cpp" "(" "__LINE__" ") : " "TBD!") \endverbatim*/ #define BOOST_PP_STRINGIZE(X) BOOST_PP_STRINGIZE_DELAY(X) #ifndef DOXYGEN_SHOULD_SKIP_THIS #define BOOST_PP_STRINGIZE_DELAY(X) BOOST_PP_DO_STRINGIZE(X) #define BOOST_PP_DO_STRINGIZE(X) #X #endif /** Obsolete. Use BOOST_PP_STRINGIZE(). */ #define BOOST_PREPROCESSOR_STRINGIZE(E) BOOST_PP_STRINGIZE(E) #endif