[antlr-interest] Re: Antlr grammar to parse Java classfile?

Sinan sinan.karasu at boeing.com
Thu Dec 6 14:34:04 PST 2001

Terence Parr wrote:
> Hmm...not sure if it's an issue or not.  I just realized though that the
> code gen is easy but the analysis might not be so easy to enhance.
> There is no concept of repeated grammatical item in my internal data
> structure.
> Ter

 Is this the reason that things like

rule : ({ some==thing}? other )+ ;

tend to have problems , but

rule : other ( { some==thing}? rule) ? ;

works fine ?????

My experience has been that tail recursion and repetition don't always
work the same....



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