#| -*-Scheme-*-

$Id: switch.scm,v 4.31 2007/01/05 21:19:20 cph Exp $

Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
    1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007 Massachusetts Institute of Technology

This file is part of MIT/GNU Scheme.

MIT/GNU Scheme 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.

MIT/GNU Scheme 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 MIT/GNU Scheme; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
USA.

|#

;;;; Compiler Option Switches
;;; package: (compiler)

(declare (usual-integrations))

;;; Binary switches

(define compiler:enable-integration-declarations? #t)
(define compiler:compile-by-procedures? #t)
(define compiler:noisy? #t)
(define compiler:show-time-reports? #f)
(define compiler:show-procedures? #t)
(define compiler:show-phases? #f)
(define compiler:show-subphases? #f)
(define compiler:preserve-data-structures? #f)
(define compiler:code-compression? #t)
(define compiler:cache-free-variables? #t)
(define compiler:implicit-self-static? #t)
(define compiler:optimize-environments? #t)
(define compiler:analyze-side-effects? #t)
(define compiler:cse? #t)
(define compiler:open-code-primitives? #t)
(define compiler:generate-rtl-files? #f)
(define compiler:generate-lap-files? #f)
(define compiler:intersperse-rtl-in-lap? #t)
(define compiler:generate-range-checks? #f)
(define compiler:generate-type-checks? #f)
(define compiler:generate-stack-checks? #t)
(define compiler:open-code-flonum-checks? #f)
(define compiler:use-multiclosures? #f)
(define compiler:coalescing-constant-warnings? #t)
(define compiler:cross-compiling? #f)
;; This only works in the C back end, right now
(define compiler:compress-top-level? #f)
(define compiler:avoid-scode? #t)

;; If true, the compiler is allowed to assume that fixnum operations
;; are only applied to inputs for which the operation is closed, i.e.
;; generates a valid fixnum.  If false, the compiler will ensure that
;; the result of a fixnum operation is a fixnum, although it may be an
;; incorrect result for screw cases.
(define compiler:assume-safe-fixnums? #t)

;; The switch COMPILER:OPEN-CODE-FLOATING-POINT-ARITHMETIC? is in machin.scm.

;;; Nary switches

(define compiler:package-optimization-level
  ;; Possible values: NONE LOW HYBRID HIGH
  'HYBRID)

(define compiler:default-top-level-declarations
  '((UUO-LINK ALL)))

;;; Hook: bind this to a procedure of one argument and it will receive
;;; each phase of the compiler as a thunk.  It is expected to call the
;;; thunk after any appropriate processing.
(define compiler:phase-wrapper #f)