[antlr-interest] Expr.text null?
Oliver B. Fischer
o.b.fischer at gmx.de
Thu Aug 14 00:46:03 PDT 2008
Hello,
is SOME_TOKEN a virtual token or a real one from the token stream? If
not, may you should initialise it from a real token. Did you have a look
at http://www.antlr.org/wiki/display/ANTLR3/Tree+construction?
Bye
Oliver
Foust schrieb:
> Does it make sense that a matched sub-rule returns null for its text
> attribute?
>
>
>
> That is, the following rule matches the input AST just fine.
>
>
>
> tree grammar;
>
> expr : a? b;
>
>
>
> a : ^(SOME_TOKEN someargs)
>
> b: ^(etc…)
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Oliver B. Fischer, Schönhauser Allee 64, 10437 Berlin
Tel. +49 30 44793251, Mobil: +49 178 7903538
Mail: o.b.fischer at gmx.de Blog: http://www.sw-blog.net
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