support/detail/iterate.hpp

0001 /*==============================================================================
0002     Copyright (c) 2010 Thomas Heller
0003
0004     Distributed under the Boost Software License, Version 1.0. (See accompanying
0005     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0006 ==============================================================================*/
0007
0008 #if !BOOST_PP_IS_ITERATING
0009
0010 #include <boost/preprocessor/tuple/elem.hpp>
0011
0012 #ifndef BOOST_PHOENIX_ITERATION_PARAMS
0013 #error "BOOST_PHOENIX_ITERATION_PARAMS not defined"
0014 #endif
0015
0016 #define BOOST_PHOENIX_ITERATION_PARAMS_SIZE                                     \
0017     BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PHOENIX_ITERATION_PARAMS)                   \
0018 /**/
0019
0020 #define BOOST_PHOENIX_ITERATION_TUPLE                                           \
0021     BOOST_PP_TUPLE_ELEM(2, 1, BOOST_PHOENIX_ITERATION_PARAMS)                   \
0022 /**/
0023
0024 #define BOOST_PHOENIX_ITERATION_START                                           \
0025     BOOST_PP_TUPLE_ELEM(                                                        \
0026         BOOST_PHOENIX_ITERATION_PARAMS_SIZE, 0, BOOST_PHOENIX_ITERATION_TUPLE)  \
0027 /**/
0028
0029 #define BOOST_PHOENIX_ITERATION_END                                             \
0030     BOOST_PP_TUPLE_ELEM(                                                        \
0031         BOOST_PHOENIX_ITERATION_PARAMS_SIZE, 1, BOOST_PHOENIX_ITERATION_TUPLE)  \
0032 /**/
0033
0034
0035 #define BOOST_PHOENIX_ITERATION_FILE()                                          \
0036     BOOST_PP_TUPLE_ELEM(                                                        \
0037         BOOST_PHOENIX_ITERATION_PARAMS_SIZE, 2, BOOST_PHOENIX_ITERATION_TUPLE)  \
0038 /**/
0039
0040 #if BOOST_PHOENIX_ITERATION_PARAMS_SIZE == 3
0041
0042 #define BOOST_PP_ITERATION_PARAMS_1                                             \
0043     (3, (BOOST_PHOENIX_ITERATION_START, BOOST_PHOENIX_ITERATION_END,            \
0044     <boost/phoenix/support/detail/iterate.hpp>))                                \
0045 /**/
0046
0047 #else
0048
0049 #define BOOST_PHOENIX_ITERATION_FLAG                                            \
0050     BOOST_PP_TUPLE_ELEM(                                                        \
0051         BOOST_PHOENIX_ITERATION_PARAMS_SIZE, 3, BOOST_PHOENIX_ITERATION_TUPLE)  \
0052 /**/
0053
0054 #define BOOST_PP_ITERATION_PARAMS_1                                             \
0055     (4, (BOOST_PHOENIX_ITERATION_START, BOOST_PHOENIX_ITERATION_END,            \
0056     <boost/phoenix/support/detail/iterate.hpp>,                                 \
0057     BOOST_PHOENIX_ITERATION_FLAG))                                              \
0058 /**/
0059
0060 #endif
0061
0062 #include BOOST_PP_ITERATE()
0063
0064 #undef BOOST_PHOENIX_ITERATION_PARAMS_SIZE
0065 #undef BOOST_PHOENIX_ITERATION_TUPLE
0066 #undef BOOST_PHOENIX_ITERATION_START
0067 #undef BOOST_PHOENIX_ITERATION_END
0068 #undef BOOST_PHOENIX_ITERATION_PARAMS
0069
0070 #else
0071
0072 #undef BOOST_PHOENIX_IS_ITERATING
0073 #define BOOST_PHOENIX_IS_ITERATING 1
0074
0075 #include <boost/phoenix/support/detail/iterate_undef.hpp>
0076 #include <boost/phoenix/support/detail/iterate_define.hpp>
0077
0078
0079 #include BOOST_PHOENIX_ITERATION_FILE()
0080
0081 #undef BOOST_PHOENIX_ITERATION
0082
0083 #undef BOOST_PHOENIX_IS_ITERATING
0084 #define BOOST_PHOENIX_IS_ITERATING 0
0085
0086 #include <boost/phoenix/support/detail/iterate_undef.hpp>
0087 #include <boost/phoenix/support/detail/iterate_define.hpp>
0088
0089 #endif