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45 lines
763 B
ReasonML
45 lines
763 B
ReasonML
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#define RET(n) printf("%d\n", n); return n
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int scan(char *s, int l){
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char *p = s;
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char *q;
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#define YYCTYPE char
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#define YYCURSOR p
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#define YYLIMIT (s+l)
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#define YYMARKER q
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#define YYFILL(n)
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/*!re2c
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'a'{1}"\n" {RET(1);}
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'a'{2,3}"\n" {RET(2);}
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'a'{6}"\n" {RET(4);}
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'a'{4,}"\n" {RET(3);}
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[^aq]|"\n" {RET(0);}
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*/
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}
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#define do_scan(str) scan(str, strlen(str))
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main()
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{
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do_scan("a\n");
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do_scan("aa\n");
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do_scan("aaa\n");
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do_scan("aaaa\n");
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do_scan("q");
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do_scan("a");
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do_scan("A\n");
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do_scan("AA\n");
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do_scan("aAa\n");
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do_scan("AaaA\n");
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do_scan("Q");
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do_scan("AaaAa\n");
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do_scan("AaaAaA\n");
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do_scan("A");
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do_scan("\n");
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do_scan("0");
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}
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