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;;; Compile --- Command-line Guile Scheme compiler -*- coding: iso-8859-1 -*-
;; Copyright 2005,2008,2009,2010,2011 Free Software Foundation, Inc.
;;
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public License
;; as published by the Free Software Foundation; either version 3, 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
;; Lesser General Public License for more details.
;;
;; You should have received a copy of the GNU Lesser General Public
;; License along with this software; see the file COPYING.LESSER. If
;; not, write to the Free Software Foundation, Inc., 51 Franklin
;; Street, Fifth Floor, Boston, MA 02110-1301 USA
;;; Author: Ludovic Court�s <ludo@gnu.org>
;;; Author: Andy Wingo <wingo@pobox.com>
;;; Commentary:
;; Usage: compile [ARGS]
;;
;; A command-line interface to the Guile compiler.
;;; Code:
(define-module (scripts compile)
#:use-module ((system base compile) #:select (compile-file))
#:use-module (system base message)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-13)
#:use-module (srfi srfi-37)
#:use-module (ice-9 format)
#:export (compile))
(define %summary "Compile a file.")
(define (fail . messages)
(format (current-error-port) "error: ~{~a~}~%" messages)
(exit 1))
(define %options
;; Specifications of the command-line options.
(list (option '(#\h "help") #f #f
(lambda (opt name arg result)
(alist-cons 'help? #t result)))
(option '("version") #f #f
(lambda (opt name arg result)
(show-version)
(exit 0)))
(option '(#\L "load-path") #t #f
(lambda (opt name arg result)
(let ((load-path (assoc-ref result 'load-path)))
(alist-cons 'load-path (cons arg load-path)
result))))
(option '(#\o "output") #t #f
(lambda (opt name arg result)
(if (assoc-ref result 'output-file)
(fail "`-o' option cannot be specified more than once")
(alist-cons 'output-file arg result))))
(option '(#\W "warn") #t #f
(lambda (opt name arg result)
(if (string=? arg "help")
(begin
(show-warning-help)
(exit 0))
(let ((warnings (assoc-ref result 'warnings)))
(alist-cons 'warnings
(cons (string->symbol arg) warnings)
(alist-delete 'warnings result))))))
(option '(#\O "optimize") #f #f
(lambda (opt name arg result)
(alist-cons 'optimize? #t result)))
(option '(#\f "from") #t #f
(lambda (opt name arg result)
(if (assoc-ref result 'from)
(fail "`--from' option cannot be specified more than once")
(alist-cons 'from (string->symbol arg) result))))
(option '(#\t "to") #t #f
(lambda (opt name arg result)
(if (assoc-ref result 'to)
(fail "`--to' option cannot be specified more than once")
(alist-cons 'to (string->symbol arg) result))))))
(define (parse-args args)
"Parse argument list @var{args} and return an alist with all the relevant
options."
(args-fold args %options
(lambda (opt name arg result)
(format (current-error-port) "~A: unrecognized option" name)
(exit 1))
(lambda (file result)
(let ((input-files (assoc-ref result 'input-files)))
(alist-cons 'input-files (cons file input-files)
result)))
;; default option values
'((input-files)
(load-path)
(warnings unsupported-warning))))
(define (show-version)
(format #t "compile (GNU Guile) ~A~%" (version))
(format #t "Copyright (C) 2009 Free Software Foundation, Inc.
License LGPLv3+: GNU LGPL version 3 or later <http://gnu.org/licenses/lgpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.~%"))
(define (show-warning-help)
(format #t "The available warning types are:~%~%")
(for-each (lambda (wt)
(format #t " ~22A ~A~%"
(format #f "`~A'" (warning-type-name wt))
(warning-type-description wt)))
%warning-types)
(format #t "~%"))
(define (compile . args)
(let* ((options (parse-args args))
(help? (assoc-ref options 'help?))
(compile-opts (let ((o `(#:warnings
,(assoc-ref options 'warnings))))
(if (assoc-ref options 'optimize?)
(cons #:O o)
o)))
(from (or (assoc-ref options 'from) 'scheme))
(to (or (assoc-ref options 'to) 'objcode))
(input-files (assoc-ref options 'input-files))
(output-file (assoc-ref options 'output-file))
(load-path (assoc-ref options 'load-path)))
(if (or help? (null? input-files))
(begin
(format #t "Usage: compile [OPTION] FILE...
Compile each Guile source file FILE into a Guile object.
-h, --help print this help message
-L, --load-path=DIR add DIR to the front of the module load path
-o, --output=OFILE write output to OFILE
-W, --warn=WARNING emit warnings of type WARNING; use `--warn=help'
for a list of available warnings
-f, --from=LANG specify a source language other than `scheme'
-t, --to=LANG specify a target language other than `objcode'
Note that auto-compilation will be turned off.
Report bugs to <~A>.~%"
%guile-bug-report-address)
(exit 0)))
(set! %load-path (append load-path %load-path))
(set! %load-should-auto-compile #f)
(if (and output-file
(or (null? input-files)
(not (null? (cdr input-files)))))
(fail "`-o' option can only be specified "
"when compiling a single file"))
(for-each (lambda (file)
(format #t "wrote `~A'\n"
(with-fluids ((*current-warning-prefix* ""))
(compile-file file
#:output-file output-file
#:from from
#:to to
#:opts compile-opts))))
input-files)))
(define main compile)
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