File: cfg.c

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/* Generated by re2c */
// re2c $INPUT -o $OUTPUT -i --posix-captures --dump-cfg --fixed-tags toplevel

{
	YYCTYPE yych;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
	switch (yych) {
		case 'a':
			yyt1 = YYCURSOR;
			yyt2 = YYCURSOR;
			goto yy2;
		default:
			yyt1 = YYCURSOR;
			yyt2 = NULL;
			yyt3 = NULL;
			goto yy1;
	}
yy1:
	yynmatch = 2;
	yypmatch[0] = yyt1;
	yypmatch[2] = yyt2;
	yypmatch[3] = yyt3;
	yypmatch[1] = YYCURSOR;
	{}
yy2:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
	switch (yych) {
		case 'a':
			yyt2 = YYCURSOR;
			goto yy2;
		default:
			yyt3 = YYCURSOR;
			goto yy1;
	}
}

debug/cfg.re:3:11: warning: rule matches empty string [-Wmatch-empty-string]
digraph CFG {
  rankdir=LR
  node[shape=Mrecord fontname=Terminus height=0.2 width=0.2]
  edge[arrowhead=vee fontname=Terminus]

  n0 [label="0\n/\nneed:"]
  n0 -> n1 [style=solid]
  n0 -> n3 [style=solid]
  n1 [label="1\n5&uarr; 4&uarr; /\nneed: 4 5"]
  n1 -> n2 [style=solid]
  n1 -> n4 [style=solid]
  n2 [label="2\n5&uarr; /\nneed: 4 5"]
  n2 -> n2 [style=solid]
  n2 -> n4 [style=solid]
  n3 [label="3\n3&darr; 2&darr; 1&uarr; /1 2 3 \nneed: 1 2 3"]
  n4 [label="4\n2=5 1=4 3&uarr; /1 2 3 \nneed: 1 2 3"]
}
digraph CFG {
  rankdir=LR
  node[shape=Mrecord fontname=Terminus height=0.2 width=0.2]
  edge[arrowhead=vee fontname=Terminus]

  n0 [label="0\n/\nneed:"]
  n0 -> n1 [style=solid]
  n0 -> n3 [style=solid]
  n1 [label="1\n1&uarr; 2&uarr; /\nneed: 1 2"]
  n1 -> n2 [style=solid]
  n1 -> n4 [style=solid]
  n2 [label="2\n2&uarr; /\nneed: 1 2"]
  n2 -> n2 [style=solid]
  n2 -> n4 [style=solid]
  n3 [label="3\n1&uarr; 2&darr; 3&darr; /1 2 3 \nneed: 1 2 3"]
  n4 [label="4\n3&uarr; /1 2 3 \nneed: 1 2 3"]
}