[antlr-interest] Re: ANTLR Runtime/SDK jar mixtures and suggestions

[Terence Parr]

Howdy folks,

I have to keep the ability for somebody to specify a different error 
handler.  can't i just figure out the dependencies (what's the best tool 
for that recently?) and move support routines around?  Perhaps it's too 
complicated due to the inheritance trees...

Terence

On Wednesday, November 14, 2001, at 04:19  AM, Christian Ernst wrote:

> Hy !
>
> tom at psy.unsw.edu.au wrote:
>
>> Ideally not, this method allows programmatic collection of errors
>> (plus it's a good idea in general because it saves you having to
>> replace every call to System.err when you realize you might want to
>> support half decent error logging (such as JDK1.4 logging based)).
>> The addin for JBuilder (I think it is) uses it and the upcoming
>> module for Netbeans will also use it. Redirecting error stream isn't
>> really appropriate either, cause then you can't seperate proper Antlr
>> errors from user prints to System.err. It can't really be moved into
>> the generated files either, has to remain in a seperate class so it
>> can be overridden. Could have a seperate ErrorHandler class or
>> something, no problems there. Or, you could have methods in the
>> generated grammar that called the ErrorHandler by default but could
>> be overridden in the grammar.
>
> Yes i agree a central Logging facility would be better for the ANTLR 
> Tool and
>
> for IDE Intergration like JBuilder etc.
> But for a small Runtime and under the Aspect that there is only one 
> runtime
> class (ASTFactory)
> which use this Logging only for a warning it would be nice to get rid 
> of this
> dependicy
> Perhaps it might be even better to change this to throwing a
> new RuntimeException like ASTGenerationException !?
>
> mfg
> Christian
>
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