PPT Slide

* Parse slash-delimited book data.

%class lex

%standalone

%unicode

[^/\r\n]+ { System.out.print(yytext()); }

"/" { System.out.print("/"); }

\r|\n|\r\n { System.out.println(); }

<<EOF>> { return 0; }

mylexer.flex

These rules indicate that the lexer

should scan until it gets to a slash

or line terminator, then print the token.

When it gets a slash it should print the

slash. When it gets a line terminator

it should print a carriage return. When

it gets to the end of file it should quit.