Hi Folks
Here's the relevant fraction of a tree grammar I'm working on...
spec
: ^(SPEC rule+)
;
rule
: ^(RULE_DECL ID alts)
;
It's a grammar that recognizes a language, the output of which is another ANTLR
grammar.
I want the first rule to look like this:
spec
: ^(SPEC rule+)
{ < some action here > }
-> ^(SPEC < augmented list of rules >)
;
In other words, I want to add some extra RULE_DECL trees on to the end of
whatever rule+ accumulates, based on semantic information gathered during the
tree parse.
Is there a straightforward way to do this?
Thanks
.bill
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