PPT Slide

xml ::= XML_DECLARATION DOCTYPE_DECLARATION bookCatalogue:b {: System.out.println(b); :}

;

bookCatalogue ::= BookCatalogue_ST books:b BookCatalogue_ET

{: RESULT = b; :}

;

books ::= book:b1 {: RESULT = b1; :}

books:b1 book:b2 {: RESULT = "" + b1 + b2; :}

;

book ::= Book_ST title:t author:a date:d isbn:i publisher:p Book_ET

{: RESULT = "" + t + a + d + i + p; :}

;

title ::= Title_ST PCDATA:title Title_ET {: /* Check title. If it's okay then

set RESULT = "". Otherwise, set

RESULT to an error message */

;

author ::= Author_ST PCDATA:author Author_ET {: /* Check title. If it's okay then

set RESULT = "". Otherwise, set

RESULT to an error message */

;

date ::= Date_ST PCDATA:date Date_ET {: /* Check title. If it's okay then

set RESULT = "". Otherwise, set

RESULT to an error message */

;

...

myYacc.cup

see example23