[plt-scheme] New syntax colorer and parenthesis highlighter have arrived

I believe you missed some instructions on the anon cvs web page. At a
min, you missed the

  setup-plt 

step.

Robby

At Thu, 6 Nov 2003 11:52:55 +0100, Mark Sapa wrote:
> ------------------------------------------------------------------------------
> Great stuff, alas:
> >
> The exp-tagged version of drscheme takes _forever_ to start up on my 
> iBook 700Mhz running OS X 10.3,
> using up ~ 80% of the CPU during startup. The previous version 
> definitely _did not_ do this - and took
> about half as long to start up.
> 
> Additionally, an error is signaled during the initialization of the new 
> syntax coloring code:
> 
> > compile: variable not provided (directly or indirectly and at the 
> > expected position) from module: 
> > |,/usr/local/plt/collects/mzlib/private/class-sneaky| in: 
> > compose-class
> 
> (seems to happen while loading tool.ss)
> 
> Yet another problem:
> The syntax colors in the preference dialogue have been switched on all 
> right, but they are
> all set to black - just a bit inconvenient ;-)
> 
> Sorry to be so negative, but...
> 
> All this aside, a great idea, and, once it works, surely a great 
> enhancement to an already
> fantastic system.
> 
> 
> Cheers and greetings from deepest Bavaria,
> 
> 
> 				Mark Sapa
> 
> Am 05.11.2003 um 06:14 schrieb Scott Owens:
> 
> >  For list-related administrative tasks:
> >  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
> >
> > For those of you following DrScheme in cvs, I have just exp tagged my 
> > modifications to DrScheme for on-the-fly syntax coloring and 
> > parenthesis highlighting.
> >
> > The on-the-fly syntax coloring is lexically based, which means that 
> > identifiers, comments, strings, parentheses, etc. can all be colored 
> > differently.  Furthermore, the coloring is always accurate and it 
> > operates in the background so major lexical changes (such as opening a 
> > string) will eventually display correctly without interfering with the 
> > interactive session.
> >
> > Unlike the "Check Syntax" coloring tool, the lexical colorer cannot 
> > determine whether an identifier is a datum, variable or macro call.  
> > In an effort to approximate some of this support, identifiers are 
> > colored as keywords if they appear in the indenting lists 
> > (Preferences->Editing->Indenting).  Also unlike "Check Syntax", the 
> > lexical colorer can correctly identify comments.
> >
> > This is only the first half of the integration.  The following 
> > improvements still need to be made:
> > 1) Parenthesis sensitive operations such as indenting and sexp 
> > transposing still use the old paren matcher.
> > 2) While the persistent paren highlighting uses my new system, the 
> > matching paren flashes still use the old paren matcher.
> > 3) Various things that use color in DrScheme (Check Syntax, test 
> > coverage) interfere with the coloring my tool does.
> >
> > If you don't like the coloring, you can turn it off from the 
> > preferences dialog under: Editing->Colors->Scheme Color and still have 
> > the improved paren matching.  The colors used by the colorer can also 
> > be changed from there.
> >
> > I welcome any feedback.
> >
> > -Scott Owens
> >
> >
> 
> 
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