[antlr-interest] bug in ANTLRv3.g + bang after rule id in walker?

Jens Boeykens jens.boeykens at gmail.com
Wed Jul 16 08:18:55 PDT 2008


Hi,

Is a bang ('!') in a parser rule (like "r! : b -> ^(...) ;") needed in the
corresponding walker rule "r!: ^(...)"  ? Or can it be removed?

Btw the bang was never added to the AST tree in "rule" in ANTLRv3.g. I added
it to the tree in order to be able to regenerate the bang.

Jens
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