PPT Slide

import java_cup.runtime.*;

action code {: int titleno = 1; :}

terminal String XML_DECLARATION, DOCTYPE_DECLARATION, START_TAG, END_TAG, PCDATA;

non terminal xml, bookCatalogue, books, book, title, author, date, isbn, publisher;

xml ::= XML_DECLARATION DOCTYPE_DECLARATION bookCatalogue

;

bookCatalogue ::= START_TAG books END_TAG

;

books ::= book

books book

;

book ::= START_TAG title author date isbn publisher END_TAG

;

title ::= START_TAG PCDATA:title END_TAG {: System.out.println(titleno++ + ". " + title); :}

;

author ::= START_TAG PCDATA END_TAG

;

date ::= START_TAG PCDATA END_TAG

;

isbn ::= START_TAG PCDATA END_TAG

;

publisher ::= START_TAG PCDATA END_TAG

;

myYacc.cup

See example20