PPT Slide

* Parse slash-delimited book data.

%class lex

%standalone

%unicode

LineTerminator = \r|\n|\r\n

Slash = "/"

Field = [^/\r\n]+

{Field} { System.out.print(yytext()); }

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

{LineTerminator} { System.out.println(); }

<<EOF>> { return 0; }

mylexer.flex

Define the macros

Use the macros

See example02

Do Lab3