File: count.l

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/*	$eterna: count.l,v 1.4 2001/08/12 16:24:51 mrg Exp $	*/

%{
#include <string.h>
int n = 0;
%}
%%
"#define"(\40|\t)+[A-Z0-9_]+(\40|\t)+"$\n" {
  yytext[yyleng - 2] = '\0';
  printf("%s%d\n", yytext, n);
  n++;
}
" * ".*\$.*\$"\n" {
  char *s = malloc(yyleng + 1), *t;
  strncpy(s, yytext, yyleng - 1);
  s[yyleng - 2] = '\n';
  s[yyleng - 1] = '\0';
  t = (char *)index(s, (int)'$');
  *t = ' ';
  printf(" * NOTE: This file is automatically created!\n *\n * from: %s%s", s + 3, yytext);
}
.*"\n" printf("%s", yytext);
%%
main()
{
  yylex();
  exit(0);
}