[PD] What is the purpose of iemgui_raute2dollar

[Jonathan Wilkes]

What's the problem with simply backslashing the dollar sign before sending 
the message to Pd?
-Jonathan
     On Sunday, November 1, 2015 11:04 PM, Miller Puckette <msp at ucsd.edu> wrote:
   

 This does need fixing... it's a primitive escaping mechanism which needs to
be replaced with a "correct" one.  Unfortunately there are various places
in the code that escape stuff in various ways (to get strings past
the TCL parser or the Pd parser) and it's never been thought about in a
unified way.

cheers
Miller

On Sun, Nov 01, 2015 at 10:57:42PM -0500, Ivica Bukvic wrote:
> Right, but this function does not do that, it explicitly replaces # with $.
> What does # have to do with anything? Are you saying # is being substituted
> for $ to preserve it? Even so, this still makes no sense because if you
> create an iemgui object (pick one), then add a label with only a "#" in it.
> Once you click apply, you get $ on the label instead. Reopening properties
> provides you with a label that is equal to $, so  this sounds like a bug to
> me that does some sort of one-way mangling that needs to be fixed and more
> so, it seems to me there should be a different ascii character used to
> preserve $, one that does not exist in the regular text-based ascii
> chars... e.g. in pd-l2ork we use \t to substitute for \n and thus preserve
> endlines in comments and other places.
> 
> On Sun, Nov 1, 2015 at 10:33 PM, Jonathan Wilkes <jancsika at yahoo.com> wrote:
> 
> > Because Pd's parser is likely to eat up a "$" followed by a number as a
> > banking
> > fee to pay the cost of sending messages.  :)
> >
> > Send this from the GUI:
> > (canvas_addy) obj 0 0 clip $1 $2
> >
> > and it becomes this in Pd:
> > [clip 0 0]
> >
> > There's also sys_decodeddialog/sys_encodedialog that is used for
> > canvas_find.
> >
> > Additionally, I think you may have added another parser inside s_main
> > to separate filenames in Pd-l2ork (although that one doesn't have anything
> > to do with dollarsigns).
> >
> > I have not yet decided where I want to add my own parser for the GUI port.
> > I think a Pratt parser for message-box math would be neat.
> >
> > -Jonathan
> >
> >
> >
> > On Sunday, November 1, 2015 9:38 PM, Ivica Bukvic <ico at vt.edu> wrote:
> >
> >
> > I presume this may pertain primarily to IOhannes and Miller,
> >
> > I am trying to figure out what is the purpose of raute2dollar in iemgui
> > objects? On an obvious level the function replaces # with an $ in a send,
> > receive, and label symbols. Why is this necessary? Personally, I cannot
> > think of a reason why it would be, but then again, I may very well be
> > missing something...
> >
> > Best,
> >
> > Ico
> >
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> >
> >
> >

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