[antlr-interest] Ambiguous reference

[Prerovsky, Tomas]

Hi,

the following line :

expression
:
 (pairing->pairing) ( (expression)=> rhs=expression -> ^(APPLY $expression $rhs) |  )  
;

causes in the latest build of ANTLR 3.2 (Sep 23, 2009) the error:

"reference $expression is ambiguous; rule expression is enclosing rule and referenced in the production (assuming enclosing rule)
 |---> (pairing->pairing) ( (expression)=> rhs=expression -> ^(APPLY $expression $rhs) |  ) "


ANTLR 3.0.1 accepts the given line without reporting an error. 

kind regards

Tomas







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