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| 1 | /* Fastest version of wc: add rules to pick up newlines, too */
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| 2 |
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| 3 | ws [ \t]
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| 4 | nonws [^ \t\n]
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| 5 | word {ws}*{nonws}+
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| 6 | words {word}{ws}+
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| 7 |
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| 8 | %option main noyywrap
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| 9 | %%
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| 10 | int cc = 0, wc = 0, lc = 0;
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| 11 |
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| 12 | {word}{ws}* ++wc; cc += yyleng;
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| 13 | {word}{ws}*\n ++wc; cc += yyleng; ++lc;
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| 14 | {words}{word}{ws}* wc += 2; cc += yyleng;
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| 15 | {words}{word}{ws}*\n wc += 2; cc += yyleng; ++lc;
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| 16 | {words}{2}{word}{ws}* wc += 3; cc += yyleng;
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| 17 | {words}{2}{word}{ws}*\n wc += 3; cc += yyleng; ++lc;
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| 18 | {words}{3}{word}{ws}* wc += 4; cc += yyleng;
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| 19 | {words}{3}{word}{ws}*\n wc += 4; cc += yyleng; ++lc;
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| 20 |
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| 21 | {ws}+ cc += yyleng;
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| 22 |
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| 23 | \n+ cc += yyleng; lc += yyleng;
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| 24 |
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| 25 | <<EOF>> {
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| 26 | printf( "%8d %8d %8d\n", lc, wc, cc );
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| 27 | yyterminate();
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| 28 | }
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