[plt-dev] arrows crossing selection

Thanks, that's great.
Jos

----- Original Message ----- 
From: "Ryan Culpepper" <ryanc at ccs.neu.edu>
To: "Jos Koot" <jos.koot at telefonica.net>
Cc: <plt-dev at list.cs.brown.edu>
Sent: Monday, February 09, 2009 9:56 PM
Subject: Re: [plt-dev] arrows crossing selection


> I've just added two new items in the popup menu. The first one tacks 
> only arrows that don't correspond to module imports. The other just 
> untacks all arrows in the selected region.
> 
> Ryan
> 
> Jos Koot wrote:
>> Very nice tool for checking that a form has no other external 
>> dependencies than intended.
>> Two remarks though:
>> 
>> 1: Because all references to imported bindings (both variables and 
>> syntactic forms) have arrows too, there is an abundance of non 
>> informative arrows (for example to the #lang scheme line) that obscure 
>> the arrows I am interested in, id est those that point between bindings 
>> and references within the current module only. Id est, the arrows to 
>> require forms can be omitted as far as I am concerend.
>> 
>> 2: How do I untack?
>> 
>> Thanks
>> Jos.
>> 
>> ----- Original Message ----- From: "Ryan Culpepper" <ryanc at ccs.neu.edu>
>> To: <plt-dev at list.cs.brown.edu>
>> Sent: Monday, February 09, 2009 6:24 AM
>> Subject: [plt-dev] arrows crossing selection
>> 
>> 
>>> I've just snuck a new feature into Check Syntax. You can now tack all 
>>> binding arrows that cross the editor's selection boundary. That is, 
>>> they have one end inside the selection and one end outside. One use is 
>>> to find free variables in an expression you want to lift out as a 
>>> separate procedure.
>>>
>>> To use it: Run Check Syntax, highlight a region of code, and 
>>> right-click to get the Check Syntax context menu. It has an additional 
>>> item labeled "Tack arrows crossing selection".
>>>
>>> If people like it, I can tidy it up and add variants (eg, untack, 
>>> don't include arrows for module imports). If people don't like it, I 
>>> can take it out again. Feedback welcome.
>>>
>>> Ryan
>>>
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>> 
>