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#! /bin/sh
:;exec scm -e"(set! *script* \"$0\")" -f$0 $*

;; Copyright (C) 1992-2002 Free Software Foundation, Inc.
;;
;; 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, 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 software; see the file COPYING.  If not, write to
;; the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111, USA.
;;
;; As a special exception, the Free Software Foundation gives permission
;; for additional uses of the text contained in its release of SCM.
;;
;; The exception is that, if you link the SCM library with other files
;; to produce an executable, this does not by itself cause the
;; resulting executable to be covered by the GNU General Public License.
;; Your use of that executable is in no way restricted on account of
;; linking the SCM library code into it.
;;
;; This exception does not however invalidate any other reasons why
;; the executable file might be covered by the GNU General Public License.
;;
;; This exception applies only to the code released by the
;; Free Software Foundation under the name SCM.  If you copy
;; code from other Free Software Foundation releases into a copy of
;; SCM, as the General Public License permits, the exception does
;; not apply to the code that you add in this way.  To avoid misleading
;; anyone as to the status of such modified files, you must delete
;; this exception notice from them.
;;
;; If you write modifications of your own for SCM, it is your choice
;; whether to permit this exception to apply to your modifications.
;; If you do not wish that, delete this exception notice.

;;;; "compile.scm", Compile C ==> Scheme ==> object-file.
;;; Author: Aubrey Jaffer.

(define (go-script)
  (cond ((not *script*))
	((and (<= 1 (- (length *argv*) *optind*))
	      (not (eqv? #\- (string-ref (car (list-tail *argv* *optind*)) 0))))
	 (apply compile-file (list-tail *argv* *optind*)))
	(else
	 (display "\
\
Usage: compile.scm FILE1.scm FILE2.scm ...
\
  Compiles Scheme FILE1.scm FILE2.scm ... to an object file named
  FILE1<object-suffix>, where <object-suffix> is the object file suffix
  for your computer (for instance, `.o').  FILE1.scm must be in the
  current directory; FILE2.scm ... can be in other directories.
"
		  (current-error-port))
	 (exit #f))))

;;; This unusual autoload loads either the
;;; source or compiled version if present.
(if (not (defined? hobbit))		;Autoload for hobbit
(define (hobbit . args)
  (require 'hobbit)
  (apply hobbit args)))

(define (compile-file file . args)
  (require 'glob)
  (apply hobbit file args)
  (let ((command
	 (list "build"
	       "-hsystem"
	       "-tdll"
	       (string-append "--compiler-options=-I" (implementation-vicinity))
	       "-c" (replace-suffix file (scheme-file-suffix) ".c"))))
    (require 'build)
    (cond ((>= (verbose) 3) (write command) (newline)))
    (build-from-whole-argv command)))

(define (compile->executable name . args)
  (define sfs (scheme-file-suffix))
  (require 'glob)
  (for-each hobbit args)
  (let ((inits (map (lambda (file)
		      (string-append "-iinit_" (replace-suffix file sfs "")))
		    args))
	(files (map (lambda (file)
		      (string-append "-c" (replace-suffix file sfs ".c")))
		    args)))
    (define command (append (list "build"
				  "-hsystem"
				  "--type=exe"
				  "-o" name
				  "-F" "compiled-closure" "inexact"
				  (string-append "--linker-options=-L"
						 (implementation-vicinity)))
			    files
			    inits))
    (require 'build)
    (cond ((>= (verbose) 3) (write command) (newline)))
    (build-from-whole-argv command)))

(go-script)

;;; Local Variables:
;;; mode:scheme
;;; End: