PPT Slide

book ::= start_book title SLASH author SLASH date SLASH isbn SLASH publisher EOL end_book

;

start_book ::= /* empty */ {: System.out.println("<Book>"); :}

;

title ::= /* empty */ {: System.out.println("<Title/>"); :}

|

TITLE:title {: System.out.println("<Title>" + title + "</Title>"); :}

;

author ::= /* empty */ {: System.out.println("<Author/>"); :}

|

AUTHOR:author {: System.out.println("<Author>" + author + "</Author>"); :}

;

date ::= /* empty */ {: System.out.println("<Date/>"); :}

|

DATE:date {: System.out.println("<Date>" + date + "</Date>"); :}

;

isbn ::= /* empty */ {: System.out.println("<ISBN/>"); :}

|

ISBN:isbn {: System.out.println("<ISBN>" + isbn + "</ISBN>"); :}

;

publisher ::= /* empty */ {: System.out.println("<Publisher/>"); :}

|

PUBLISHER:publisher {: System.out.println("<Publisher>" + publisher + "</Publisher>"); :}

;

end_book ::= /* empty */ {: System.out.println("</Book>"); :}

;

myYacc.cup

See example19

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