[antlr-interest] Re: aspectANTLR sketch

mzukowski at yci.com mzukowski at yci.com
Wed Jun 19 15:19:39 PDT 2002

The fnc-2 manual.ps has an attribute grammar tutorial.  The html version
suffered a bit from translation from tex or whatever it was.  


Do you see any validity to wanting to override a rule but not change its


> -----Original Message-----
> From: lgcraymer [mailto:lgc at mail1.jpl.nasa.gov]
> Sent: Wednesday, June 19, 2002 1:35 PM
> To: antlr-interest at yahoogroups.com
> Subject: [antlr-interest] Re: aspectANTLR sketch
> Monty--
> For Attribute Grammar Systems, 
> <http://dmoz.org/Computers/Programming/Compilers/Attribute_Grammar_Sys
> tems/> lists a useful set to which I would add Phillips Labs Elegant 
> system (the home page has temporarily? disappeared; I'll send you 
> the Elegant documentation files); a Google search on "Attribute 
> Grammars" will get you more.
> On composition of grammars:  This is a pretty important 
> capability:  lexers for most procedural languages look very similar, 
> as do expression parsers.  I agree with Ter that grammar inheritance 
> isn't the right approach, but rule inheritance probably would be.  
> What you describe for noweb use sounds like a "poor man's" 
> approach to 
> rule database management; for 3.0, I expect that we would have the 
> resources (people and time) to do something more. I'd like to see a 
> flexible rule database manager incorporated into an ANTLR IDE--it 
> should be able to add rules into the database by processing .g files.
> --Loring  
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