[climacs-devel] Lisp Syntax suggestions

[John Q Splittist]

Folks,

As threatened, I attach a patch to lisp-syntax.lisp that:

* adds support for the remaining reader macros (except that numbers are 
punted on [see below], pathnames don't yet require a string, and 
non-standard reader-macros are assumed to be OK)

* adds support for tokens (being numbers, potential numbers and symbols) 
that include single and multiple escapes (although there is a wee 
bug-let to stomp I've just noticed when typing incomplete multiply 
escaped tokens at the end of the buffer...)

* interprets tokens with escapes more accurately when trying to 
determine which symbols they represent

It doesn't yet handle numbers in any special way -- indeed, it assumes 
they are symbols. This makes intelligent handling of, say, complex 
numbers introduced by the #C reader macro impossible. For now...

In general, I've taken the approach that the editor should be far more 
accepting of possibly erroneous input than the reader, it being not 
terribly helpful (or performant) to turn everything red at the least 
provocation.

I'm sure it's not pretty lisp. Style etc. suggestions welcomed (like 
"don't use tagbody, use X instead"). And I'm aware I've implemented bits 
of the reader twice...

I'll keep hacking away at this, but this seemed a good point to share.

cheers,
JQS
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