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Diffstat (limited to 'module/scripts/compile.scm')
-rw-r--r-- | module/scripts/compile.scm | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/module/scripts/compile.scm b/module/scripts/compile.scm new file mode 100644 index 000000000..7c812ad1e --- /dev/null +++ b/module/scripts/compile.scm @@ -0,0 +1,138 @@ +;;; Compile --- Command-line Guile Scheme compiler + +;; Copyright 2005,2008,2009 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, Inc., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301 USA + +;;; Author: Ludovic Courtès <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 (srfi srfi-1) + #:use-module (srfi srfi-13) + #:use-module (srfi srfi-37) + #:export (compile)) + + +(define (fail . messages) + (format (current-error-port) + (string-concatenate `("error: " ,@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 '(#\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 '(#\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" opt) + (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)))) + + +(define (compile args) + (let* ((options (parse-args (cdr args))) + (help? (assoc-ref options 'help?)) + (compile-opts (if (assoc-ref options 'optimize?) '(#: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 + + -f, --from=LANG specify a source language other than `scheme' + -t, --to=LANG specify a target language other than `objcode' + +Report bugs to <guile-user@gnu.org>.~%") + (exit 0))) + + (set! %load-path (append load-path %load-path)) + + (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" + (compile-file file + #:output-file output-file + #:from from + #:to to + #:opts compile-opts))) + input-files))) + +(define main compile) + +;;; Local Variables: +;;; coding: latin-1 +;;; End: |