1/* $NetBSD: wc3.l,v 1.1.1.1 2009/10/26 00:28:34 christos Exp $ */ 2 3/* Somewhat faster still: potentially match a lot of text with each rule */ 4 5ws [ \t] 6nonws [^ \t\n] 7word {ws}*{nonws}+ 8words {word}{ws}+ 9 10%option main noyywrap 11%% 12 int cc = 0, wc = 0, lc = 0; 13 14{word}{ws}* cc += yyleng; ++wc; 15{word}{ws}*\n cc += yyleng; ++wc; ++lc; 16{words}{word}{ws}* cc += yyleng; wc += 2; 17{words}{2}{word}{ws}* cc += yyleng; wc += 3; 18{words}{3}{word}{ws}* cc += yyleng; wc += 4; 19 20{ws}+ cc += yyleng; 21 22\n+ cc += yyleng; lc += yyleng; 23 24<<EOF>> { 25 printf( "%8d %8d %8d\n", lc, wc, cc ); 26 yyterminate(); 27 } 28