forked from boostorg/preprocessor
117 lines
4.1 KiB
C++
117 lines
4.1 KiB
C++
#ifndef BOOST_PREPROCESSOR_ENUM_HPP
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#define BOOST_PREPROCESSOR_ENUM_HPP
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/* Copyright (C) 2001
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* Housemarque Oy
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* http://www.housemarque.com
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*
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* Permission to copy, use, modify, sell and distribute this software is
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* granted provided this copyright notice appears in all copies. This
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* software is provided "as is" without express or implied warranty, and
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* with no claim as to its suitability for any purpose.
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*
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* See http://www.boost.org for most recent version.
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*/
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#include <boost/preprocessor/comma_if.hpp>
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#include <boost/preprocessor/repeat.hpp>
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#include <boost/preprocessor/tuple.hpp>
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/** <p>Generates a comma separated list.</p>
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<p>In other words, expands to the sequence:</p>
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<pre>
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MACRO(0,DATA), MACRO(1,DATA), ..., MACRO(BOOST_PP_DEC(COUNT),DATA)
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</pre>
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<p>For example,</p>
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<pre>
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#define TYPED_PARAM(INDEX,DATA)\
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BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM(2,0,DATA),INDEX) BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM(2,1,DATA),INDEX)
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BOOST_PP_ENUM(3,TYPED_PARAM,(X,x))
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</pre>
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<p>expands to:</p>
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<pre>
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X0 x0, X1 x1, X2 x2
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</pre>
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<h3>2D and 3D repetition</h3>
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<p>BOOST_PP_ENUM() implements automatic recursion. 2D and 3D repetition
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are directly supported.</p>
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<h3>See</h3>
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<ul>
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<li>BOOST_PP_FOR()</li>
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<li>BOOST_PP_LIMIT_DIM</li>
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<li>BOOST_PP_LIMIT_MAG</li>
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</ul>
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<h3>Test</h3>
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<ul>
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<li><a href="../../test/repeat_test.cpp">repeat_test.cpp</a></li>
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</ul>
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*/
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#if 0
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# define BOOST_PP_ENUM(COUNT,MACRO,DATA)
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#endif
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#if !defined(BOOST_NO_COMPILER_CONFIG) && defined(_MSC_VER)
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/* This is a workaround for a MSVC++ PP bug. You'll need to add further
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* BOOST_PP_ENUM_AUTO_REC3/4/etc. wrapping as the maximum level of
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* nesting REPEATS increases
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*/
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# define BOOST_PP_ENUM\
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BOOST_PP_AUTO_REC_CAT1(BOOST_PP_ENUM_,BOOST_PP_ENUM_AUTO_REC2(\
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BOOST_PP_ENUM_AUTO_REC1,(BOOST_PP_AUTO_REC_ID,(1))\
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))
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# define BOOST_PP_ENUM_BOOST_PP_ENUM_AUTO_REC1(M,P)\
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BOOST_PP_AUTO_REC_CAT2(BOOST_PP_ENUM_,BOOST_PP_ENUM_AUTO_REC2(BOOST_PP_AUTO_REC_ID,(2)))
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# define BOOST_PP_ENUM_BOOST_PP_ENUM_AUTO_REC2(M,P)\
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BOOST_PP_AUTO_REC_CAT3(BOOST_PP_ENUM_,BOOST_PP_ENUM_AUTO_REC3(BOOST_PP_AUTO_REC_ID,(3)))
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# define BOOST_PP_ENUM_BOOST_PP_ENUM_AUTO_REC3(M,P)\
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(TOO MANY NESTED REPEATS!)
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# define BOOST_PP_ENUM_AUTO_REC1(M,P) BOOST_PP_EXPAND(M P)
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# define BOOST_PP_ENUM_AUTO_REC2(M,P) BOOST_PP_EXPAND(M P)
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# define BOOST_PP_ENUM_AUTO_REC3(M,P) BOOST_PP_EXPAND(M P)
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# define BOOST_PP_ENUM_1(C,M,D) BOOST_PP_ENUM_AUTO_REC1(BOOST_PP_REPEAT,(C,BOOST_PP_ENUM_M1,(M,D)))
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# define BOOST_PP_ENUM_2(C,M,D) BOOST_PP_ENUM_AUTO_REC2(BOOST_PP_REPEAT,(C,BOOST_PP_ENUM_M2,(M,D)))
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# define BOOST_PP_ENUM_3(C,M,D) BOOST_PP_ENUM_AUTO_REC3(BOOST_PP_REPEAT,(C,BOOST_PP_ENUM_M3,(M,D)))
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#else
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# define BOOST_PP_ENUM\
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BOOST_PP_AUTO_REC_CAT1(BOOST_PP_ENUM,BOOST_PP_REPEAT_AUTO_REC1(BOOST_PP_AUTO_REC_ID,(1)))
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# define BOOST_PP_ENUMBOOST_PP_REPEAT_AUTO_REC1(M,P)\
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BOOST_PP_AUTO_REC_CAT2(BOOST_PP_ENUM,BOOST_PP_REPEAT_AUTO_REC2(BOOST_PP_AUTO_REC_ID,(2)))
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# define BOOST_PP_ENUMBOOST_PP_REPEAT_AUTO_REC2(M,P)\
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BOOST_PP_AUTO_REC_CAT3(BOOST_PP_ENUM,BOOST_PP_REPEAT_AUTO_REC3(BOOST_PP_AUTO_REC_ID,(3)))
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# define BOOST_PP_ENUMBOOST_PP_REPEAT_AUTO_REC3(M,P)\
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(TOO MANY NESTED REPEATS!)
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# define BOOST_PP_ENUM1(C,M,D) BOOST_PP_REPEAT(C,BOOST_PP_ENUM_M1,(M,D))
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# define BOOST_PP_ENUM2(C,M,D) BOOST_PP_REPEAT(C,BOOST_PP_ENUM_M2,(M,D))
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# define BOOST_PP_ENUM3(C,M,D) BOOST_PP_REPEAT(C,BOOST_PP_ENUM_M3,(M,D))
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#endif
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#if !defined(BOOST_NO_COMPILER_CONFIG) && defined(__MWERKS__)
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# 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))
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# 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))
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# 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))
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#else
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# define BOOST_PP_ENUM_M1(I,MD) BOOST_PP_COMMA_IF(I) BOOST_PP_TUPLE2_ELEM0 MD(I,BOOST_PP_TUPLE2_ELEM1 MD)
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# define BOOST_PP_ENUM_M2(I,MD) BOOST_PP_COMMA_IF(I) BOOST_PP_TUPLE2_ELEM0 MD(I,BOOST_PP_TUPLE2_ELEM1 MD)
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# define BOOST_PP_ENUM_M3(I,MD) BOOST_PP_COMMA_IF(I) BOOST_PP_TUPLE2_ELEM0 MD(I,BOOST_PP_TUPLE2_ELEM1 MD)
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#endif
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#endif
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