I would also like to know about this. For what it's worth, I also have
an extension for literal strings (the udelim package, and I've been
behind using «guillemets» as nestable literal string quotes), and I
haven't figured out how to extensibly change the coloring either. One
of my more adventurous reader extensions treats | as a normal character,
and in the interactions pane it additionally doesn't accept a line
unless it has an even number of | characters. Is the interaction lexing
connected to the color lexing, or is that somewhere else?
Thanks,
William
On Mon, May 01, 2017 at 03:48:06PM -0700, Andrew Gwozdziewycz wrote:
Hi Brendan,
I'm wondering if you tried the here string syntax for your use case,
which other than the fact that it requires a couple of newlines seems
similar in vein to what you were going for (e.g. it doesn't escape
anything)?
```racket
#<<HI
Any text here, and nothing gets escaped, This is somewhat surprising.
HI
"Any text here, and nothing gets escaped. This is somewhat surprising."
```
Cheers,
Andrew
On Mon, May 1, 2017 at 2:37 PM, brendan <bren...@cannells.com> wrote:
I wrote a little Racket meta-language that adds a dispatch macro to the
readtable for typing string literals without escape characters. You start with
two or more #'s followed by any non-# character, then the actual string
content, then end with the same non-# character and the same number of #'s. So
##|"foo\bar"|##
evaluates the same as
"\"foo\\bar\""
Works great, but it does wreak quite some havoc on DrRacket's syntax coloring.
Unfortunately as far as I can tell the only way to fix that is to replace the
color lexer entirely; there's no compositon like there is with readtables. Is
that correct, or is there a trick that I'm missing?
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