[antlr-interest] variables and keywords

[René Jansen]

In the NetRexx language, when a string is used as a variable, it cannot 
be a keyword anymore.  This is a great feature, and it comes out of the 
real life experience that newly added keywords in most environments 
(languages and toolkits) break existing programs. Now I've read about 
(and used a bit) the keywords literals feature of Antlr, but I am at a 
loss of how to specify the NetRexx behaviour in a grammar. Does anyone 
have any pointers on how to implement such a feature, if I were to, 
ahem, for example trying to make an antlr grammar for NetRexx?

Rene Vincent Jansen. 


 

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