1 #ifndef BOOST_PREPROCESSOR_ENUM_HPP
2 #define BOOST_PREPROCESSOR_ENUM_HPP
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16 #include <boost/preprocessor/comma_if.hpp>
17 #include <boost/preprocessor/repeat.hpp>
18 #include <boost/preprocessor/tuple.hpp>
20 /** <p>Generates a comma separated list.</p>
22 <p>In other words, expands to the sequence:</p>
25 MACRO(0,DATA), MACRO(1,DATA), ..., MACRO(BOOST_PP_DEC(COUNT),DATA)
31 #define TYPED_PARAM(INDEX,DATA)\
32 BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM(2,0,DATA),INDEX) BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM(2,1,DATA),INDEX)
33 BOOST_PP_ENUM(3,TYPED_PARAM,(X,x))
42 <h3>2D and 3D repetition</h3>
44 <p>BOOST_PP_ENUM() implements automatic recursion. 2D and 3D repetition
45 are directly supported.</p>
49 <li>BOOST_PP_FOR()</li>
50 <li>BOOST_PP_LIMIT_DIM</li>
51 <li>BOOST_PP_LIMIT_MAG</li>
56 <li><a href="../../test/repeat_test.cpp">repeat_test.cpp</a></li>
60 # define BOOST_PP_ENUM(COUNT,MACRO,DATA)
63 #if !defined(BOOST_NO_COMPILER_CONFIG) && defined(_MSC_VER)
65 /* This is a workaround for a MSVC++ PP bug. You'll need to add further
66 * BOOST_PP_ENUM_AUTO_REC3/4/etc. wrapping as the maximum level of
67 * nesting REPEATS increases
69 # define BOOST_PP_ENUM\
70 BOOST_PP_AUTO_REC_CAT1(BOOST_PP_ENUM_,BOOST_PP_ENUM_AUTO_REC2(\
71 BOOST_PP_ENUM_AUTO_REC1,(BOOST_PP_AUTO_REC_ID,(1))\
74 # define BOOST_PP_ENUM_BOOST_PP_ENUM_AUTO_REC1(M,P)\
75 BOOST_PP_AUTO_REC_CAT2(BOOST_PP_ENUM_,BOOST_PP_ENUM_AUTO_REC2(BOOST_PP_AUTO_REC_ID,(2)))
76 # define BOOST_PP_ENUM_BOOST_PP_ENUM_AUTO_REC2(M,P)\
77 BOOST_PP_AUTO_REC_CAT3(BOOST_PP_ENUM_,BOOST_PP_ENUM_AUTO_REC3(BOOST_PP_AUTO_REC_ID,(3)))
78 # define BOOST_PP_ENUM_BOOST_PP_ENUM_AUTO_REC3(M,P)\
79 (TOO MANY NESTED REPEATS!)
81 # define BOOST_PP_ENUM_AUTO_REC1(M,P) BOOST_PP_EXPAND(M P)
82 # define BOOST_PP_ENUM_AUTO_REC2(M,P) BOOST_PP_EXPAND(M P)
83 # define BOOST_PP_ENUM_AUTO_REC3(M,P) BOOST_PP_EXPAND(M P)
85 # define BOOST_PP_ENUM_1(C,M,D) BOOST_PP_ENUM_AUTO_REC1(BOOST_PP_REPEAT,(C,BOOST_PP_ENUM_M1,(M,D)))
86 # define BOOST_PP_ENUM_2(C,M,D) BOOST_PP_ENUM_AUTO_REC2(BOOST_PP_REPEAT,(C,BOOST_PP_ENUM_M2,(M,D)))
87 # define BOOST_PP_ENUM_3(C,M,D) BOOST_PP_ENUM_AUTO_REC3(BOOST_PP_REPEAT,(C,BOOST_PP_ENUM_M3,(M,D)))
91 # define BOOST_PP_ENUM\
92 BOOST_PP_AUTO_REC_CAT1(BOOST_PP_ENUM,BOOST_PP_REPEAT_AUTO_REC1(BOOST_PP_AUTO_REC_ID,(1)))
93 # define BOOST_PP_ENUMBOOST_PP_REPEAT_AUTO_REC1(M,P)\
94 BOOST_PP_AUTO_REC_CAT2(BOOST_PP_ENUM,BOOST_PP_REPEAT_AUTO_REC2(BOOST_PP_AUTO_REC_ID,(2)))
95 # define BOOST_PP_ENUMBOOST_PP_REPEAT_AUTO_REC2(M,P)\
96 BOOST_PP_AUTO_REC_CAT3(BOOST_PP_ENUM,BOOST_PP_REPEAT_AUTO_REC3(BOOST_PP_AUTO_REC_ID,(3)))
97 # define BOOST_PP_ENUMBOOST_PP_REPEAT_AUTO_REC3(M,P)\
98 (TOO MANY NESTED REPEATS!)
100 # define BOOST_PP_ENUM1(C,M,D) BOOST_PP_REPEAT(C,BOOST_PP_ENUM_M1,(M,D))
101 # define BOOST_PP_ENUM2(C,M,D) BOOST_PP_REPEAT(C,BOOST_PP_ENUM_M2,(M,D))
102 # define BOOST_PP_ENUM3(C,M,D) BOOST_PP_REPEAT(C,BOOST_PP_ENUM_M3,(M,D))
106 #define BOOST_PP_ENUM_M1(I,MD) BOOST_PP_COMMA_IF(I) BOOST_PP_TUPLE_ELEM(2,0,MD)(I,BOOST_PP_TUPLE_ELEM(2,1,MD))
107 #define BOOST_PP_ENUM_M2(I,MD) BOOST_PP_COMMA_IF(I) BOOST_PP_TUPLE_ELEM(2,0,MD)(I,BOOST_PP_TUPLE_ELEM(2,1,MD))
108 #define BOOST_PP_ENUM_M3(I,MD) BOOST_PP_COMMA_IF(I) BOOST_PP_TUPLE_ELEM(2,0,MD)(I,BOOST_PP_TUPLE_ELEM(2,1,MD))