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annotate test/fact.c @ 751:c921670e2ce8

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i64 continue... 64bit register
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 14 Nov 2010 04:56:02 +0900
parents c2c709727221
children 5313ed059cee
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725
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 720
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1 #define __environment _CbC_environment
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2 #define __return _CbC_return
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3
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4 #include "stdio.h"
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5 __code print();
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6 int
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7 main(ac,av)
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8 int ac;
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9 char *av[];
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10 {
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11 int n;
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12 // n = atoi(av[1]);
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13 n = 10;
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14 goto factorial(n,1,n,print,__return,__environment);
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15 }
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16
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17 __code print(n,result,orig,print,exit1,exit1env)
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18 int n,result,orig;
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19 __code (*print)(),(*exit1)();
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20 void *exit1env;
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21 {
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22 printf("#0021:%d! = %d\n",n, result);
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23 goto (*exit1)(0,exit1env);
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24 }
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25
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26 __code factorial(n,result,orig,print,exit1,exit1env)
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27 int n,result,orig;
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28 __code (*print)();
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29 __code (*exit1)();
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30 void *exit1env;
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31 {
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32 if (n<0) {
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33 printf("#0032:err %d!\n",n);
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34 goto (*exit1)(0,exit1env);
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35 }
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36 if (n==0)
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37 goto (*print)(n,result,orig,print,exit1,exit1env);
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38 /* goto print(n,result,orig,print,exit1,exit1env); */
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39 else {
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40 result *= n;
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41 n--;
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42 goto factorial(n,result,orig,print,exit1,exit1env);
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43 }
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44 }