commands/flex-2.5.4/MISC/fastwc/wc2.l

   1 /* Somewhat faster "wc" tool: match more text with each rule */
   2
   3 ws    [ \t]
   4 nonws [^ \t\n]
   5 word  {ws}*{nonws}+
   6
   7 %%
   8         int cc = 0, wc = 0, lc = 0;
   9
  10 {word}{ws}*     cc += yyleng; ++wc;
  11 {word}{ws}*\n   cc += yyleng; ++wc; ++lc;
  12
  13 {ws}+           cc += yyleng;
  14
  15 \n+             cc += yyleng; lc += yyleng;
  16
  17 <<EOF>>         {
  18                 printf( "%8d %8d %8d\n", lc, wc, cc );
  19                 yyterminate();
  20                 }