[antlr-interest] v3 antlr hangs at waitpid

Terence Parr parrt at cs.usfca.edu
Tue Feb 20 14:23:52 PST 2007


good idea...adding to bug list.
Ter
On Feb 20, 2007, at 2:10 PM, Omry Yadan wrote:

> This question is asked again and again.
>
> maybe the -debug switch should print "waiting for connection on port
> XXX" to the stdout  (if its not doing it already)?
>
>
>
> Terence Parr wrote:
>
>> Hi. If you use -debug, it is a server and waits for AW to connect.
>> Ter
>> On Feb 20, 2007, at 11:40 AM, Martin d'Anjou wrote:
>>
>>> Hello,
>>>
>>> My grammar hangs... or I should say when I use my compiled  
>>> grammar it
>>> hangs. I don't know where or how. The -debug switch does not print
>>> information. This is using 3.0b6.
>>>
>>> I ran it with strace to see if I learned something, and it hangs at
>>> waitpid(-1,  <unfinished ...>
>>>
>>> The CPU is at 0% utilization, so control-C is the only way out.
>>>
>>> How can I debug this problem? Prune things out of my grammar  
>>> until it
>>> no longer hangs?
>>>
>>> Thanks,
>>> Martin
>>
>



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