> Hi all, > > I have a similar issue using the C# target. Using the Cymbol.g example of > pattern 17 Symbol Table for Nested Scopes of the Language Implementation > Patterns book I could not get it to work because there is now downup > method. > According to the documentation this method walks the AST code using > ANTLR's > built-in downup( ) strategy. > > Am I correct assuming that this has not been implemented yet for the C# > target (as Jim implies in his response). Is it difficult to implement it > myself? I guess it would involve implementing the tree pattern matching > stuff. > > Marc
You are correct - there is no official version yet, which implements tree pattern matching. I haven't gotten around to the API changes yet (will work on that next week), though I have checked in some untested changes. It would be the easieast if you'd base your own code on that for now. Johannes > P.S. Hope this email files under the proper subject thread, and apologies > in > advance if it isn't (Just subscribed to the mailing list but I could not > find out how to get previous posts from it) > > > Pattern matcher or normal tree walker? The pattern stuff is not > implemented in the C target yet. > > > > Jim > > > >> -----Original Message----- > >> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest- > >> bounces at antlr.org] On Behalf Of Heiko Folkerts > >> Sent: Thursday, January 14, 2010 5:01 AM > >> To: antlr-interest at antlr.org > >> Subject: [antlr-interest] Tree pattern maching using the C target > >> > >> Hi all, > >> I wrote al litle tree pattern matcher for a specific validation we need > >> in our grammar. ANTLR and the C compiler compile it all well but there > >> is now "downup" mehtod for running the matcher. Instead I only see our > >> own rules in the generated parser. So, is the method to run when using > >> a tree pattern macher in the C target different than ^"downup"? How to > >> run the matcher? > >> > >> I tried to find an answer in the C examples but there was only a > >> treeparser and no tree pattern matcher. > >> > >> Thx+ > >> Heiko > >> > >> > >> -- > > > > List: http://www.antlr.org/mailman/listinfo/antlr-interest > Unsubscribe: > http://www.antlr.org/mailman/options/antlr-interest/your-email-address -- GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT! Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01 List: http://www.antlr.org/mailman/listinfo/antlr-interest Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address
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