PPT Slide

import java_cup.runtime.*;

terminal String FIELD, SLASH, EOL;

non terminal bookCatalogue, start_data, books, book, end_data;

bookCatalogue ::= start_data books end_data

;

start_data ::= /* empty */ {: System.out.println("<?xml version='1.0'?>");

System.out.println("<BookCatalogue>"); :}

;

books ::= book

books book

;

book ::= FIELD:f1 SLASH FIELD:f2 SLASH FIELD:f3 SLASH FIELD:f4 SLASH FIELD:f5 EOL

{: System.out.println("<Book>");

System.out.println(" <Title>" + f1 + "</Title>");

System.out.println(" <Author>" + f2 + "</Author>");

System.out.println(" <Date>" + f3 + "</Date>");

System.out.println(" <ISBN>" + f4 + "</ISBN>");

System.out.println(" <Publisher>" + f5 + "</Publisher>");

System.out.println("</Book>");

;

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

;

myYacc.cup

See example17