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Language C/C++ Preprocessor
| Date: | 04/20/05 |
| Author: | Wim Rijnders |
| URL: | n/a |
| Comments: | 7 |
| Info: | n/a |
| Score: |  (3.03 in 255 votes) |
This is the pre-processor for C or C++. Normally, not a language
in itself, but created to make using C/C++ easier. This is a
novel use of the pre-processor
-- BEER.CPP ---------------------------------------------------------
// 99 Bottles written entirely in Visual C++ preprocessor directives.
// By Wim Rijnders.
#pragma warning(disable : 4005 )
#define BOTTLES "bottles"
#define TAKE_ONE_DOWN "Take one down, pass it around,"
#define DEC_NUM 9
#define DEC_STR "9"
#define DEC2_NUM 9
#define DEC2_STR "9"
#define TEST_BOTTLES(a,b) (DEC2_NUM == a && DEC_NUM == b )
#define STILL_HAVE__BOTTLES !TEST_BOTTLES(0,0)
#define NO_MORE__BOTTLES TEST_BOTTLES(0,0)
#define JUST_ONE__BOTTLE TEST_BOTTLES(0,1)
#define OF_BEER DEC2_STR DEC_STR " " BOTTLES " of beer"
#define BEER_ON_WALL OF_BEER " on the wall"
#include "sing.h"
-- SING.H -----------------------------------------------------------
//Following to beat the 32-file include limit of VC
#if STILL_HAVE__BOTTLES
#include "stanza.h"
#include "stanza.h"
#include "stanza.h"
#include "stanza.h"
#include "sing.h"
#endif
-- STANZA.H ---------------------------------------------------------
#if STILL_HAVE__BOTTLES
#pragma message(BEER_ON_WALL ",")
#pragma message(OF_BEER ",")
#pragma message(TAKE_ONE_DOWN)
#include "dec.h"
#if NO_MORE__BOTTLES
#define DEC2_STR ""
#define DEC_STR "No more"
#endif
#if JUST_ONE__BOTTLE
#define BOTTLES "bottle"
#else
#define BOTTLES "bottles"
#endif
#pragma message(BEER_ON_WALL ".")
#pragma message("")
#endif
-- DEC.H ------------------------------------------------------------
#if DEC_NUM == 9
#define DEC_NUM 8
#define DEC_STR "8"
#elif DEC_NUM == 8
#define DEC_NUM 7
#define DEC_STR "7"
#elif DEC_NUM == 7
#define DEC_NUM 6
#define DEC_STR "6"
#elif DEC_NUM == 6
#define DEC_NUM 5
#define DEC_STR "5"
#elif DEC_NUM == 5
#define DEC_NUM 4
#define DEC_STR "4"
#elif DEC_NUM == 4
#define DEC_NUM 3
#define DEC_STR "3"
#elif DEC_NUM == 3
#define DEC_NUM 2
#define DEC_STR "2"
#elif DEC_NUM == 2
#define DEC_NUM 1
#define DEC_STR "1"
#elif DEC_NUM == 1
#define DEC_NUM 0
#define DEC_STR "0"
#elif DEC_NUM == 0
#include "dec2.h"
#define DEC_NUM 9
#define DEC_STR "9"
#endif
-- DEC2.H -----------------------------------------------------------
#if DEC2_NUM == 9
#define DEC2_NUM 8
#define DEC2_STR "8"
#elif DEC2_NUM == 8
#define DEC2_NUM 7
#define DEC2_STR "7"
#elif DEC2_NUM == 7
#define DEC2_NUM 6
#define DEC2_STR "6"
#elif DEC2_NUM == 6
#define DEC2_NUM 5
#define DEC2_STR "5"
#elif DEC2_NUM == 5
#define DEC2_NUM 4
#define DEC2_STR "4"
#elif DEC2_NUM == 4
#define DEC2_NUM 3
#define DEC2_STR "3"
#elif DEC2_NUM == 3
#define DEC2_NUM 2
#define DEC2_STR "2"
#elif DEC2_NUM == 2
#define DEC2_NUM 1
#define DEC2_STR "1"
#elif DEC2_NUM == 1
#define DEC2_NUM 0
#define DEC2_STR ""
#endif
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Alternative Versions
| Version | Author | Date | Comments | Rate |
|---|---|---|---|---|
| Direct output (general / GNU) | Gerry JJ | 12/30/05 | 2 | |
| with Order interpreter | Vesa Karvonen | 12/30/05 | 1 | |
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Comments
I like it.
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