[antlr-interest] On to the next issue: error(211)

[Gavin Lambert]

At 00:33 11/11/2008, Hendrik Maryns wrote:
 >error(211): fsqTreeParser.g:68:3: [fatal] rule body has 
non-LL(*)
 >decision due to recursive rule invocations reachable from alts
 >3,5. Resolve by left-factoring or using syntactic predicates or
 >using backtrack=true option.
[...]
 >body returns [Formula result]
 >  : label { $result = $label.result; }
 >  | atomic { $result = $atomic.result; }
 >  | unary { $result = $unary.result; }
 >  | binary { $result = $binary.result; }
 >  | n_ary { $result = $n_ary.result; }
 >  | quantor { $result = $quantor.result; }
 >  ;
 >
 >Indeed, the unary, binary, n_ary and quantor rules (indirectly)
 >refer to formula:

It's unlikely that this would be the problem, or at least not 
directly.  It's more likely an issue with your AST structure being 
too ambiguous.

Can you post your unary, binary, and n_ary rules (and any subrules 
they refer to)?