[antlr-interest] Bug in AntlrWorks debugger

Terence Parr parrt at cs.usfca.edu
Mon Jun 8 13:22:13 PDT 2009


On Jun 8, 2009, at 12:14 PM, Dukie Banderjee wrote:

>
> Hi,
>
> Is this the right place to post AntlrWorks bugs? I looked around but  
> didn't find any other place.
>
> It seems that AntlrWorks does not accept Tab characters (or  
> backslashes, for that matter) in the Text field of the Input Text  
> dialog box when you press the Debug button.

That could be. it's possible that the tab character means moveto the  
next field
Ter
>
>
> The result was that the grammar was compiled, and prepared, but when  
> it came to connecting to the debugger it timed out. Removing the Tab  
> character from the input allowed the debugger to connect.
>
> Originally, I thought for sure it was something to do with Windows  
> Firewall, or my
> Java configuration, so I reinstalled Java and reset the Firewall
> exception for java.exe and javaw.exe. No change. It's definitely the  
> Tab character in the input text.
>
> I thought this was very strange, so I tried to use \t instead of a  
> Tab character, however this also caused the debugger connection to  
> time out. I also tried \\t and \\\\t, just in case it was some sort  
> of escaping issue, but none of these worked either. Only when I  
> remove Tabs and Backslashes does the debugger connect, and then  
> debugging works fine.
>
> I'm using Windows, and I wonder if this might have something to do  
> with it. But still it seems strange. How is the input text  
> transmitted to the debugger? Via command-line? That seems to me the  
> only way a Tab or Backslash could interfere with connecting to the  
> debugger.
>
> Anyone else notice this?
>
> Rob
>
> _________________________________________________________________
> Create a cool, new character for your Windows Live™ Messenger.
> http://go.microsoft.com/?linkid=9656621
>
> List: http://www.antlr.org/mailman/listinfo/antlr-interest
> Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address



More information about the antlr-interest mailing list