25 lines
506 B
Text
25 lines
506 B
Text
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/* Oops; slight change from wc3.l introduces backtracking */
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ws [ \t]
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nonws [^ \t\n]
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word {ws}*{nonws}+
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words {word}{ws}+
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%%
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int cc = 0, wc = 0, lc = 0;
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{word}{ws}* cc += yyleng; ++wc;
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{word}{ws}*\n cc += yyleng; ++wc; ++lc;
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{words}{word} cc += yyleng; wc += 2; /* oops */
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{words}{2}{word}{ws}* cc += yyleng; wc += 3;
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{words}{3}{word}{ws}* cc += yyleng; wc += 4;
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{ws}+ cc += yyleng;
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\n+ cc += yyleng; lc += yyleng;
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<<EOF>> {
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printf( "%8d %8d %8d\n", lc, wc, cc );
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yyterminate();
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}
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