[antlr-interest] Rewrite rule for multiple alternatives
Jan Obdrzalek
obdrzalek at gmail.com
Thu Aug 2 05:46:18 PDT 2007
Hi,
what is the correct way to write this rewrite rule?
: '{' (a | b | c)* '}' -> ^(COMPOUND (a | b | c)*)
I.e. I want to have a tree with the root COMPOUND and with the children
given by the rules a,b,c in the original order. ANTLRv3 does not like my
intuitive notation :( And I do not want to change the grammar much. The
examples in the book are all a little bit different (unless I missed some).
Thanks for all suggestions,
Jan
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