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