[antlr-interest] Problem Creating Imaginary Node

Johannes Luber jaluber at gmx.de
Thu Jan 24 08:27:10 PST 2008


Dejas Ninethousand schrieb:
> Based on my understanding of the documentation at 
> http://www.antlr.org/wiki/display/ANTLR3/Tree+construction I am 
> attempting to create an imaginary node on my AST via:
> 
> declaration
>     : type_identifier IDENTIFIER -> ^(DECLtype_identifier IDENTIFIER)
>     ;
> 
> But whenever I try to generate the code from within ANTLRWorks 1.1.5 it 
> complains that DECL is an undefined token.  What am I missing?  Thanks.
> 
> --Dejas

Did you use

tokens {
DECL;
}

?

Johannes


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