I'm trying to build an AST for if-then-else-endif like in BASIC. I'm trying
prog: ( ast {System.out.println($ast.tree.toStringTree());} )+ EOF;
ast: 'if' condition a=thenstat b=elsestat 'endif' -> ^('if'
condition $a $b);
thenstat: 'then'^ stat+;
elsestat: 'else'^ stat+;
stat: 'print'^ INT;
This gets me
(if true (then (print 1) (print 2) (print 3)) (else (print 4)
(print 5) (print 6)))
However, I'd like to get
(if true ((print 1) (print 2) (print 3)) ((print 4) (print 5) (print 6)))
How can I do it?
JH
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