#| -*-Scheme-*-

$Id$

Copyright (c) 2002 Massachusetts Institute of Technology

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at
your option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
|#

(declare (usual-integrations))

(define (cf-conditionally filename)
  (sf-conditionally filename)
  (if (not (file-processed? filename "bin" "com"))
      (compile-bin-file filename)))



(define (start-canonicalizing-symbols!)
  (if (not (lexical-unreferenceable? user-initial-environment
				     '*parser-canonicalize-symbols?*))
      (set! *parser-canonicalize-symbols?* #t)))

(define (stop-canonicalizing-symbols!)
  (if (not (lexical-unreferenceable? user-initial-environment
				     '*parser-canonicalize-symbols?*))
      (set! *parser-canonicalize-symbols?* #f)))

(define start-preserving-case! stop-canonicalizing-symbols!)

(define stop-preserving-case! start-canonicalizing-symbols!)

(define (with-case-preserved thunk)
  (fluid-let ((*parser-canonicalize-symbols?* #f))
    (thunk)))

(define (with-symbols-canonicalized thunk)
  (fluid-let ((*parser-canonicalize-symbols?* #t))
    (thunk)))