[antlr-interest] 2.7.1 -> 2.7.2 gotcha's?

[Kristian Kvilekval]

I am still chasing it down.   I am using 
an extended java parser (java.g) from a few
years ago (I inherited the code).  

I've looked for ASTFrame and can't find
it.   


--- Terence Parr <parrt at cs.usfca.edu> wrote:
> 
> On Tuesday, August 5, 2003, at 11:46 AM, kkvilekval
> wrote:
> 
> Excellent points!
> 
> can you describe in more detail how the trees are
> being improperly 
> constructed?
> 
> Did you regenerate your .java files from the .g
> using 2.7.2 or just 
> point at the new jar file?
> 
> Regards,
> Terence
> 
> > I've had alot of trouble  going from 2.7.1 to
> 2.7.2
> >
> > I've found two problems
> > 1.  The grammar file now must specify fully
> qualified
> >     names for AST contruction
> >     i.e.
> >      Previously we have production rules
> >     <AST=IdentifierAST>
> >
> >      We must now use
> >      <AST=mokan.compiler.expr.IdentifierAST>
> >
> >      since the class value is passed as string to
> >      the constructor function.
> >
> > 2.   AST nodes must have public constructors
> >      otherwise the reflection contructor cannot
> >      find it in the class file.
> >
> >       Make sure all your AST nodes have
> >       i.e.
> >       2.7.1
> >       protected VarAST(final Token token)
> >       2.7.2
> >       public VarAST(final Token token)
> >
> >
> > Finally, the tree seems to be constructed
> differently.
> > A previously working translator now fails
> completely
> > with type cast errors, during the tree-walk.
> >
> >
> > Is there a document describing what has changed
> and
> > how to fix these problems???
> >
> > Thx.
> >
> >
> >
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to 
> > http://docs.yahoo.com/info/terms/
> >
> >
> >
> --
> Professor Comp. Sci., University of San Francisco
> Creator, ANTLR Parser Generator,
> http://www.antlr.org
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> 
> 
> 
>  
> 
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> 
> 


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