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Automatic recursion

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[SVN r14100]
This commit is contained in:
Vesa Karvonen
2002-06-07 13:04:18 +00:00
parent a18d5f79fc
commit 9f9048e805
82 changed files with 971 additions and 869 deletions
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41
include/boost/preprocessor/repeat_from_to.hpp
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@ -13,9 +13,9 @@
* See http://www.boost.org for most recent version.
*/
#include <boost/preprocessor/repeat.hpp>
#include <boost/preprocessor/arithmetic/sub.hpp>
#include <boost/preprocessor/arithmetic/add.hpp>
#include <boost/preprocessor/repeat.hpp>
/** <p>Repeats the macro <code>MACRO(INDEX,DATA)</code> for <code>INDEX = [FIRST,LAST)</code>.</p>
@ -38,16 +38,47 @@ BOOST_PP_REPEAT_FROM_TO(4,7,TEST,X)
X(4); X(5); X(6);
</pre>
<h3>Uses</h3>
<h3>2D and 3D repetition</h3>
<p>BOOST_PP_REPEAT_FROM_TO() implements automatic recursion. 2D and 3D repetition
are directly supported.</p>
<h3>See</h3>
<ul>
<li>BOOST_PP_REPEAT()</li>
<li>BOOST_PP_FOR()</li>
<li>BOOST_PP_LIMIT_DIM</li>
<li>BOOST_PP_LIMIT_MAG</li>
</ul>
<h3>Test</h3>
<ul>
<li><a href="../../test/repeat_test.cpp">repeat_test.cpp</a></li>
<li><a href="../../test/repeat_2nd_test.cpp">repeat_2nd_test.cpp</a></li>
</ul>
*/
#define BOOST_PP_REPEAT_FROM_TO(FIRST,LAST,MACRO,DATA) BOOST_PP_REPEAT(BOOST_PP_SUB(LAST,FIRST),BOOST_PP_REPEAT_FROM_TO_F,(FIRST,MACRO,DATA))
#define BOOST_PP_REPEAT_FROM_TO_F(I,SMP) BOOST_PP_TUPLE_ELEM(3,1,SMP)(BOOST_PP_ADD(I,BOOST_PP_TUPLE_ELEM(3,0,SMP)),BOOST_PP_TUPLE_ELEM(3,2,SMP))
#if 0
# define BOOST_PP_REPEAT_FROM_TO(FIRST,LAST,MACRO,DATA)
#endif
#define BOOST_PP_REPEAT_FROM_TO\
BOOST_PP_AUTO_REC_CAT1(BOOST_PP_REPEAT_FROM_TO,BOOST_PP_REPEAT_AUTO_REC1(BOOST_PP_AUTO_REC_ID,(1)))
#define BOOST_PP_REPEAT_FROM_TOBOOST_PP_REPEAT_AUTO_REC1(M,P)\
BOOST_PP_AUTO_REC_CAT2(BOOST_PP_REPEAT_FROM_TO,BOOST_PP_REPEAT_AUTO_REC2(BOOST_PP_AUTO_REC_ID,(2)))
#define BOOST_PP_REPEAT_FROM_TOBOOST_PP_REPEAT_AUTO_REC2(M,P)\
BOOST_PP_AUTO_REC_CAT3(BOOST_PP_REPEAT_FROM_TO,BOOST_PP_REPEAT_AUTO_REC3(BOOST_PP_AUTO_REC_ID,(3)))
#define BOOST_PP_REPEAT_FROM_TOBOOST_PP_REPEAT_AUTO_REC3(M,P)\
(TOO MANY NESTED REPEATS!)
#define BOOST_PP_REPEAT_FROM_TO1(F,L,M,D) BOOST_PP_REPEAT(BOOST_PP_SUB(L,F),BOOST_PP_REPEAT_FROM_TO_M1,(F,M,D))
#define BOOST_PP_REPEAT_FROM_TO2(F,L,M,D) BOOST_PP_REPEAT(BOOST_PP_SUB(L,F),BOOST_PP_REPEAT_FROM_TO_M2,(F,M,D))
#define BOOST_PP_REPEAT_FROM_TO3(F,L,M,D) BOOST_PP_REPEAT(BOOST_PP_SUB(L,F),BOOST_PP_REPEAT_FROM_TO_M3,(F,M,D))
#define BOOST_PP_REPEAT_FROM_TO_M1(I,FMD) BOOST_PP_TUPLE_ELEM(3,1,FMD)(BOOST_PP_ADD(I,BOOST_PP_TUPLE_ELEM(3,0,FMD)),BOOST_PP_TUPLE_ELEM(3,2,FMD))
#define BOOST_PP_REPEAT_FROM_TO_M2(I,FMD) BOOST_PP_TUPLE_ELEM(3,1,FMD)(BOOST_PP_ADD(I,BOOST_PP_TUPLE_ELEM(3,0,FMD)),BOOST_PP_TUPLE_ELEM(3,2,FMD))
#define BOOST_PP_REPEAT_FROM_TO_M3(I,FMD) BOOST_PP_TUPLE_ELEM(3,1,FMD)(BOOST_PP_ADD(I,BOOST_PP_TUPLE_ELEM(3,0,FMD)),BOOST_PP_TUPLE_ELEM(3,2,FMD))
/** <p>Obsolete, just use BOOST_PP_REPEAT_FROM_TO().</p> */
#define BOOST_PP_REPEAT_FROM_TO_2ND BOOST_PP_REPEAT_FROM_TO
/** <p>Obsolete, just use BOOST_PP_REPEAT_FROM_TO().</p> */
#define BOOST_PP_REPEAT_FROM_TO_3RD BOOST_PP_REPEAT_FROM_TO
#endif