[antlr-interest] exceeding java class size limits with my lexer

[David Penton]

Thanks - I'll try that.

On Mon, 2003-01-20 at 18:55, Terence Parr wrote:
> Dave,
> 
> Grab 2.7.2, just came out today.  It will remove this problem I 
> believe.  I changed the way I generate the bit sets, which is what was 
> pissing off Java.
> 
> Let us know if it solves the problem. :)
> 
> Terence
> 
> On Monday, January 20, 2003, at 03:49 PM, David Penton wrote:
> 
> > Hello all.  I just made my lexer too big to handle in java. I got a
> > ClassFormatError because the generated class size is greater than 65535
> > bytes.  As far as I know that's a limit that cannot be circumvented,
> > although I may be wrong about that. I actually did not know about the
> > limit until my antlr project ran into it.  I am sitting here fuming
> > about it.  If it really is a hard and fast limitation to java, I am
> > pissed off about it and will consider going back to C++.  Or maybe I
> > should just use SNOBOL after all. Har.
> >
> > Reason the lexer is so damned big is that I am trying to get it to
> > handle the lexical parts of the XML 1.0 specification with its large 
> > set
> > of unicode character possibilities.  One of my design goals is to
> > preserve the EBNF productions in the XML 1.0 specification with as
> > little modification as possible. If I have to I will abandon the I18N
> > aspect, but I would like to avoid that.
> >
> > Does antlr have any kind of option similar to other parser/lexer
> > generators to reduce the size of the generated lexer, say by trading
> > size for speed? The 2.7.1 manual says that version has been optimized 
> > to
> > reduce size for unicode Or, is there anything else I can do to avoid
> > this problem? Am I overlooking a command line arg or something?
> >
> > Thanks a whole bunch.
> >
> > - Dave -
> >
> >
> >
> >
> >
> >
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> >
> >
> --
> Co-founder, http://www.jguru.com
> Creator, ANTLR Parser Generator: http://www.antlr.org
> Lecturer in Comp. Sci., University of San Francisco
> 
> 
>  
> 
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> 



 

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