[antlr-interest] Re: aspectANTLR sketch

lgcraymer lgc at mail1.jpl.nasa.gov
Wed Jun 19 13:35:11 PDT 2002


For Attribute Grammar Systems, 
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.



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