[antlr-interest] Fwd: Problems

[Matt Benson]

Not sure why this was sent to me personally:

--- Jörg Riedl <Jrydl at web.de> wrote:

> Date: Fri, 30 Jun 2006 07:03:14 +0200
> From: Jörg Riedl <Jrydl at web.de>
> To: Matt Benson <gudnabrsam at yahoo.com>
> Subject: Problems 
> 
> Hello. 
> 
> I have a problem with ANTLR. 
> The Consol throws the following exception! 
> 
> Antlr.g:654:4: ANTLR could not analyze this decision
> in rule UpperBound probably due to a true ambiguity
> in the grammar or left-recursion problems. ANTLR
> re-analyzed the decision with a fixed lookahead of
> k=1. 
> 
> [12:36:01] Antlr.g:654:4: Decision can match input
> such as "'i'" using multiple alternatives: 
> 
> alt 1 via NFA path
>
2596,2584,860,7423,7421,876,7503,7492,878,7516,7504,880,7529,7517,882,7540,7535,7536,7537,884,7551,7541,886,7562,7552,888,7573,7563,890,7587,7574,892,7602,7588,894,7617,7603,896,7630,7625,7626,7627,898,7641,7631,900,7652,7642,902,7661,7656,7657,7658,904,7673,7662,908,7718,7694,496,4498,4475,498,4550,4504,128,1985,1980,1979,1975,6,1008,1006,8,1011,1009,748,6404,6392,750,6410,6411,6407,756,6426,6425,6424
> 
> 
> alt 2 via NFA path 2596,2597,2586,2587 
> 
> As a result, alternative(s) 2 were disabled for that
> input 
> 
> [12:36:01] Antlr.g:654:4: The following alternatives
> are unreachable: 2 
> 
> 
> code : 
> UpperBound 
> : SingleConstExpression | 'infinity' 
> ; 
> 
> 
> 
> 
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