[antlr-interest] ANTLR 3.0b6 --Debug Mode Gets Infinite Loop

[Bert Williams]

Greetings:

 

When I compile my grammar without the -debug flag, I get a lexer/parser that
completes.  The lexer/parser hangs in an infinite loop if I add the -debug
flag.  Use of the -trace flag appears to cause no change in behaviour.

 

I do have to use the backtrack=true option in places and I do get the
"non-LL(*) DFA 9" message several times during the build.

 

I did not find this problem in the ANTLR issue tracking system.

 

If this is not a known issue, I can provide the grammar and test program to
support analysis.

 

Bert Williams.

 

 

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