[antlr-interest] Possible to Maintain LineNum Info For _ALL_ AST Nodes...

[JonFroehlich]

I've extended the CommonAST class to track line number information 
for each AST node. However, there are still a few nodes in the tree 
that don't call "initialize(token tok)" and therefore don't get their 
line # info set. For instance, using the java.g grammar, CLASS_DEF, 
VARIABLE_DEF, METHOD_DEF, etc. contain no line number information 
(though their children always do so I'm usually able to figure out 
something based on that). 

Ideally, every single node in the tree would have a line number 
assigned to it. I'm new to parsing/ANTLR so I'm not sure if this is 
possible or easy to do. 

Any advice would greatly be appreciated.

j

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