| /* Fastest version of wc: add rules to pick up newlines, too */ |
| |
| ws [ \t] |
| nonws [^ \t\n] |
| word {ws}*{nonws}+ |
| words {word}{ws}+ |
| |
| %% |
| int cc = 0, wc = 0, lc = 0; |
| |
| {word}{ws}* ++wc; cc += yyleng; |
| {word}{ws}*\n ++wc; cc += yyleng; ++lc; |
| {words}{word}{ws}* wc += 2; cc += yyleng; |
| {words}{word}{ws}*\n wc += 2; cc += yyleng; ++lc; |
| {words}{2}{word}{ws}* wc += 3; cc += yyleng; |
| {words}{2}{word}{ws}*\n wc += 3; cc += yyleng; ++lc; |
| {words}{3}{word}{ws}* wc += 4; cc += yyleng; |
| {words}{3}{word}{ws}*\n wc += 4; cc += yyleng; ++lc; |
| |
| {ws}+ cc += yyleng; |
| |
| \n+ cc += yyleng; lc += yyleng; |
| |
| <<EOF>> { |
| printf( "%8d %8d %8d\n", lc, wc, cc ); |
| yyterminate(); |
| } |
