view test/fact-a.c @ 880:5313ed059cee

no tabs in source
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 03 Apr 2014 10:43:01 +0900
parents c2c709727221
children
line wrap: on
line source

#define __environment _CbC_environment
#define __return _CbC_return

#include "stdio.h"

__code factorial(int n,int result,int orig,__code(*print)(),__code(*exit1)(), void *exit1env)
{
    if (n<0) {
        printf("#0008:err %d!\n",n);
        goto (*exit1)(0,exit1env);
    }
    if (n==0)
        goto (*print)(n,result,orig,print,exit1,exit1env);
    else {
        result *= n;
        n--;
        goto factorial(n,result,orig,print,exit1,exit1env);
    }
}

__code print(int n,int result,int orig,__code(*print)(),__code (*exit1)(),void*exit1env);

int main( int ac, char *av[])
{
    int n;
    // n = atoi(av[1]);
    n = 10;
    goto factorial(n,1,n,print,__return,__environment);
}

__code print(int n,int result,int orig,__code(*print)(),__code (*exit1)(),void*exit1env)
{
    printf("#0032:%d! = %d\n",orig, result);
    goto (*exit1)(0,exit1env);
}