| 1 | |
|---|
| 2 | #ifndef BOOST_MPL_AUX_PREPROCESSOR_IS_SEQ_HPP_INCLUDED |
|---|
| 3 | #define BOOST_MPL_AUX_PREPROCESSOR_IS_SEQ_HPP_INCLUDED |
|---|
| 4 | |
|---|
| 5 | // Copyright Paul Mensonides 2003 |
|---|
| 6 | // Copyright Aleksey Gurtovoy 2003-2004 |
|---|
| 7 | // |
|---|
| 8 | // Distributed under the Boost Software License, Version 1.0. |
|---|
| 9 | // (See accompanying file LICENSE_1_0.txt or copy at |
|---|
| 10 | // http://www.boost.org/LICENSE_1_0.txt) |
|---|
| 11 | // |
|---|
| 12 | // See http://www.boost.org/libs/mpl for documentation. |
|---|
| 13 | |
|---|
| 14 | // $Id: is_seq.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
|---|
| 15 | // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
|---|
| 16 | // $Revision: 49267 $ |
|---|
| 17 | |
|---|
| 18 | #include <boost/preprocessor/seq/size.hpp> |
|---|
| 19 | #include <boost/preprocessor/arithmetic/dec.hpp> |
|---|
| 20 | #include <boost/preprocessor/punctuation/paren.hpp> |
|---|
| 21 | #include <boost/preprocessor/cat.hpp> |
|---|
| 22 | #include <boost/preprocessor/config/config.hpp> |
|---|
| 23 | |
|---|
| 24 | // returns 1 if 'seq' is a PP-sequence, 0 otherwise: |
|---|
| 25 | // |
|---|
| 26 | // BOOST_PP_ASSERT( BOOST_PP_NOT( BOOST_MPL_PP_IS_SEQ( int ) ) ) |
|---|
| 27 | // BOOST_PP_ASSERT( BOOST_MPL_PP_IS_SEQ( (int) ) ) |
|---|
| 28 | // BOOST_PP_ASSERT( BOOST_MPL_PP_IS_SEQ( (1)(2) ) ) |
|---|
| 29 | |
|---|
| 30 | #if (BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_BCC()) || defined(_MSC_VER) && defined(__INTEL_COMPILER) && __INTEL_COMPILER == 1010 |
|---|
| 31 | |
|---|
| 32 | # define BOOST_MPL_PP_IS_SEQ(seq) BOOST_PP_DEC( BOOST_PP_SEQ_SIZE( BOOST_MPL_PP_IS_SEQ_(seq) ) ) |
|---|
| 33 | # define BOOST_MPL_PP_IS_SEQ_(seq) BOOST_MPL_PP_IS_SEQ_SEQ_( BOOST_MPL_PP_IS_SEQ_SPLIT_ seq ) |
|---|
| 34 | # define BOOST_MPL_PP_IS_SEQ_SEQ_(x) (x) |
|---|
| 35 | # define BOOST_MPL_PP_IS_SEQ_SPLIT_(unused) unused)((unused) |
|---|
| 36 | |
|---|
| 37 | #else |
|---|
| 38 | |
|---|
| 39 | # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC() |
|---|
| 40 | # define BOOST_MPL_PP_IS_SEQ(seq) BOOST_MPL_PP_IS_SEQ_MWCC_((seq)) |
|---|
| 41 | # define BOOST_MPL_PP_IS_SEQ_MWCC_(args) BOOST_MPL_PP_IS_SEQ_ ## args |
|---|
| 42 | # else |
|---|
| 43 | # define BOOST_MPL_PP_IS_SEQ(seq) BOOST_MPL_PP_IS_SEQ_(seq) |
|---|
| 44 | # endif |
|---|
| 45 | |
|---|
| 46 | # define BOOST_MPL_PP_IS_SEQ_(seq) BOOST_PP_CAT(BOOST_MPL_PP_IS_SEQ_, BOOST_MPL_PP_IS_SEQ_0 seq BOOST_PP_RPAREN()) |
|---|
| 47 | # define BOOST_MPL_PP_IS_SEQ_0(x) BOOST_MPL_PP_IS_SEQ_1(x |
|---|
| 48 | # define BOOST_MPL_PP_IS_SEQ_ALWAYS_0(unused) 0 |
|---|
| 49 | # define BOOST_MPL_PP_IS_SEQ_BOOST_MPL_PP_IS_SEQ_0 BOOST_MPL_PP_IS_SEQ_ALWAYS_0( |
|---|
| 50 | # define BOOST_MPL_PP_IS_SEQ_BOOST_MPL_PP_IS_SEQ_1(unused) 1 |
|---|
| 51 | |
|---|
| 52 | #endif |
|---|
| 53 | |
|---|
| 54 | #endif // BOOST_MPL_AUX_PREPROCESSOR_IS_SEQ_HPP_INCLUDED |
|---|
