[antlr-interest] Unexpected token error

Jerry Dy jerrydy at sbcglobal.net
Mon Mar 8 11:19:12 PST 2004


Hi, I get an unexpected error for simple grammar below. Can someone 
explain to me why? Thanks!

-Jerry

options { language="Cpp"; }
class PageParser extends Parser;
options { buildAST = true; }
page: element
        ;
element: attr+
        ;
attr: ID
        ;

class PageLexer extends Lexer;
ID: 'a'
        ;

ANTLR Parser Generator   Version 2.7.3 (20040224-91)   1989-2003 
jGuru.com
soac.g:6:10: rule classDef trapped:
soac.g:6:10: unexpected token: attr
error: aborting grammar 'PageParser' due to errors
Exiting due to errors.
*** Error code 1
clearmake: Error: Build script failed for "PageLexer.cpp"




 
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