1# /* Copyright (C) 2001
2# * Housemarque Oy
3# * http://www.housemarque.com
4# *
5# * Distributed under the Boost Software License, Version 1.0. (See
6# * accompanying file LICENSE_1_0.txt or copy at
7# * http://www.boost.org/LICENSE_1_0.txt)
8# */
9#
10# /* Revised by Paul Mensonides (2002) */
11#
12# /* See http://www.boost.org for most recent version. */
13#
14# ifndef BOOST_PREPROCESSOR_STRINGIZE_HPP
15# define BOOST_PREPROCESSOR_STRINGIZE_HPP
16#
17# include <boost/preprocessor/config/config.hpp>
18#
19# /* BOOST_PP_STRINGIZE */
20#
21# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
22# define BOOST_PP_STRINGIZE(text) BOOST_PP_STRINGIZE_A((text))
23# define BOOST_PP_STRINGIZE_A(arg) BOOST_PP_STRINGIZE_I arg
24# elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
25# define BOOST_PP_STRINGIZE(text) BOOST_PP_STRINGIZE_OO((text))
26# define BOOST_PP_STRINGIZE_OO(par) BOOST_PP_STRINGIZE_I ## par
27# else
28# define BOOST_PP_STRINGIZE(text) BOOST_PP_STRINGIZE_I(text)
29# endif
30#
31#if BOOST_PP_VARIADICS
32# define BOOST_PP_STRINGIZE_I(...) #__VA_ARGS__
33#else
34# define BOOST_PP_STRINGIZE_I(text) #text
35#endif
36#
37# endif
38

source code of include/boost/preprocessor/stringize.hpp