Debugging Example15

import java_cup.runtime.*;

%%

%class lex

%standalone

%unicode

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

Slash = "/"

Field = [^/\r\n]+

%%

{Field} { System.out.println("FIELD"); }

{Slash} { System.out.println("SLASH"); }

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

<<EOF>> { return 0; }

mylexer.flex

Note that I have modified the lexer to

simply show the tokens that it would

send to the parser

FIELD

SLASH

FIELD

SLASH

FIELD

SLASH

FIELD

SLASH

FIELD

EOL

...

Output:

Check the tokens to

ensure that they are

correct (they are)

Do Lab10

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