Your contributors have been very helpful with my novice questions,
and I thank them. Here's another:
I am trying to build an AST that processes text like:
v4 = [1 2 3 4]
The following rule works:
term : (OPENB .+ CLOSEB) => OPENB vals CLOSEB
-> ^(VECTOR vals)
| OPENB CLOSEB -> EMPTY_VECTOR
| DOUBLE
| ID
| '('! expr ')'!
;
vals returns [List items]
: vl+=expr (COMMA? vl+=expr)* {$items = $vl;}
;
but it produces tree nodes like:
(= v4 (VECTOR 1 2 3 4))
but I really want
(= v4 (VECTOR values))
where 'values' is some kind of Java collection like an ArrayList.
How do I do that?
David M. Smith http://www.cc.gatech.edu/fac/David.Smith
Georgia Institute of Technology, College of Computing
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