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Language CHILL/2
| Date: | 04/20/05 |
| Author: | Anonymous |
| URL: | n/a |
| Comments: | 0 |
| Info: | n/a |
| Score: |  (2.80 in 5 votes) |
io: MODULE
/*
The CHILL/2 compiler I use has no VARYING strings.
To tackle this inconvenience, I declare a record with variants..
*/
GRANT String, nul, OutS, OutL, OutC, OutI;
NEWMODE String = STRUCT(CASE OF
:s9 CHAR(9),
:s11 CHAR(11),
:s13 CHAR(13),
:s16 CHAR(16),
:s31 CHAR(31)
ESAC
);
SYN nul = C'00';
OutS: PROC(s String LOC); END OutS;
OutL: PROC(); END OutL;
OutC: PROC(c CHAR); END OutC;
OutI: PROC(i INT); END OutI;
END io;
beer: MODULE /* jr_31jan97 */
SEIZE String, nul, OutC, OutS, OutI, OutL <> USING io;
bottles: PROC(n INT, wall BOOL, end CHAR);
DCL s String;
IF n>1 THEN OutI(n); s.s9:=' Bottles'//nul;
ELSIF n=1 THEN s.s11:='one Bottle'//nul;
ELSIF n=0 THEN s.s16:='no more Bottles'//nul;
FI;
OutS(s); s.s9:=' of Beer'//nul; OutS(s);
IF wall THEN s.s13:=' on the Wall'//nul; OutS(s); FI;
OutC(end); OutL();
END bottles;
singTheSong: PROC();
DCL i INT, s String;
DO FOR i:=99 DOWN TO 1;
bottles(i, TRUE, ',');
bottles(i, FALSE, '.');
s.s31:='Take one down, pass it around,'//nul; OutS(s); OutL();
bottles(i-1, TRUE, '.');
OD;
END singTheSong;
END beer;
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