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Diffstat (limited to 'examples/fastwc/wc3.l')
| -rw-r--r-- | examples/fastwc/wc3.l | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/examples/fastwc/wc3.l b/examples/fastwc/wc3.l new file mode 100644 index 0000000..3cc5d57 --- /dev/null +++ b/examples/fastwc/wc3.l @@ -0,0 +1,25 @@ +/* Somewhat faster still: potentially match a lot of text with each rule */ + +ws [ \t] +nonws [^ \t\n] +word {ws}*{nonws}+ +words {word}{ws}+ + +%option main noyywrap +%% + int cc = 0, wc = 0, lc = 0; + +{word}{ws}* cc += yyleng; ++wc; +{word}{ws}*\n cc += yyleng; ++wc; ++lc; +{words}{word}{ws}* cc += yyleng; wc += 2; +{words}{2}{word}{ws}* cc += yyleng; wc += 3; +{words}{3}{word}{ws}* cc += yyleng; wc += 4; + +{ws}+ cc += yyleng; + +\n+ cc += yyleng; lc += yyleng; + +<<EOF>> { + printf( "%8d %8d %8d\n", lc, wc, cc ); + yyterminate(); + } |