Imported Upstream version 2.5.31

1 files changed, 25 insertions, 0 deletions

diff --git a/examples/fastwc/wc5.l b/examples/fastwc/wc5.l
new file mode 100644
index 0000000..c479480
--- /dev/null
+++ b/examples/fastwc/wc5.l
@@ -0,0 +1,25 @@
+/* Oops; slight change from wc3.l introduces backtracking */
+
+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}		cc += yyleng; wc += 2;	/* oops */
+{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();
+		}