Hi Terence,
Thanks so much!
That did indeed work, but what threw me is that the AST output in ANTLRworks
showed a nil element only (and nothing else!). However all appears well when I
run my unit tests on the parser and tree walker.
FYI I also subsequently modified my tree grammar to read:
line
: ruleLine* zoneLine* linkLine*
;
Thanks again.
Kind regards,
Christopher
On 23/12/2010, at 11:00 AM, Terence Parr wrote:
> line
> : (r+=ruleLine | z+=zoneLine | l+=linkLine | NEWLINE!)* -> $r+ $z+ $l+
> ;
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