[antlr-interest] How to come up with catch-all rules?

David Holroyd dave at badgers-in-foil.co.uk
Fri Nov 17 12:03:01 PST 2006


On Fri, Nov 17, 2006 at 01:27:02PM -0600, Geoffrey Zhu wrote:
> Hi All,
>  
> I am writing a code generator with ANTLR 2.x. Like ANTLR itself, the
> program is going to generate a framework and fill in handwritten code in
> the right places. For example, in the following code:
>  
> handler abc_name (x, y, z)
> {
>    //hand-written code here
> }
>  
> I'd like my code generator to dump the handwritten code between the {
> and } to an output file, without the code generator caring about the
> syntax of those code. But I cannot seem to be able to come up with a
> rule that can match arbitrary text between { and }. One thing I can come
> up with is { #include "file_name"} and have my code in a separate file,
> but this is extremely awkward. 
>  
> Does anyone know how to best solve this problem?

This 'parrt' guy does:

http://fisheye2.cenqua.com/browse/antlr/src/org/antlr/tool/antlr.g?r=3244#l1186

;)

dave

-- 
http://david.holroyd.me.uk/


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