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;;;; -*- Mode: lisp; indent-tabs-mode: nil -*-
;;;
;;; invoke.lisp --- Half-baked portable run-program.
;;;
;;; Copyright (C) 2005-2006, Dan Knap <dankna@accela.net>
;;; Copyright (C) 2005-2006, Emily Backes <lucca@accela.net>
;;; Copyright (C) 2007, Stelian Ionescu <sionescu@cddr.org>
;;; Copyright (C) 2007, Luis Oliveira <loliveira@common-lisp.net>
;;;
;;; Permission is hereby granted, free of charge, to any person
;;; obtaining a copy of this software and associated documentation
;;; files (the "Software"), to deal in the Software without
;;; restriction, including without limitation the rights to use, copy,
;;; modify, merge, publish, distribute, sublicense, and/or sell copies
;;; of the Software, and to permit persons to whom the Software is
;;; furnished to do so, subject to the following conditions:
;;;
;;; The above copyright notice and this permission notice shall be
;;; included in all copies or substantial portions of the Software.
;;;
;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
;;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
;;; HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
;;; WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
;;; DEALINGS IN THE SOFTWARE.
;;;
(in-package #:cffi-grovel)
;;;# Shell Execution
#-(or abcl allegro clisp cmu ecl lispworks openmcl sbcl scl)
(grovel-error "%INVOKE is unimplemented for this Lisp. Patches welcome.")
;; FIXME: doesn't do shell quoting
#+abcl
(defun %invoke (command arglist)
(let ((cmdline (reduce (lambda (str1 str2)
(concatenate 'string str1 " " str2))
arglist :initial-value command))
(stream (make-string-output-stream)))
(values (ext:run-shell-command cmdline :output stream)
(get-output-stream-string stream))))
(defun process-output (process-stream)
(with-open-stream (process-stream process-stream)
(with-output-to-string (str)
(loop for char = (read-char process-stream nil)
while char
do (write-char char str)))))
#+clisp
(defun %invoke (command arglist)
(let* ((output-file
(make-pathname
:name (format nil "clisp-cffi-invoke-~A-~A.tmp"
(get-universal-time)
(random 1000))))
(ret (ext:run-program command
:arguments arglist
:output output-file)))
(with-open-file (stream output-file :direction :input)
(multiple-value-prog1
(values (etypecase ret
((eql nil) 0)
((eql t) 1)
(integer ret))
(process-output stream))
(delete-file output-file)))))
#+ecl
(defun %invoke (command arglist)
(multiple-value-bind (output-stream exit-code)
(ext:run-program "/bin/sh"
(list "-c"
(format nil "~A~{ ~A~}" command arglist))
:wait t :output :stream :input nil :error nil)
(values exit-code
(process-output output-stream))))
#+(or cmu scl)
(defun %invoke (command arglist)
(let* ((process (ext:run-program command arglist
:output :stream
:wait nil
:error :output))
(output (process-output (ext:process-output process))))
(ext:process-wait process)
(values (ext:process-exit-code process) output)))
#+sbcl
(defun %invoke (command arglist)
(let* ((process (sb-ext:run-program command arglist
:output :stream
:wait nil
:error :output
:search t))
(output (process-output (sb-ext:process-output process))))
(sb-ext:process-wait process)
(values (sb-ext:process-exit-code process) output)))
#+openmcl
(defun %invoke (command arglist)
(let* ((exit-code)
(output (with-output-to-string (s)
(let ((process (ccl:run-program command arglist
:output s
:error :output)))
(setq exit-code (nth-value 1 (ccl:external-process-status process)))))))
(values exit-code output)))
#+allegro
(eval-when (:compile-toplevel :load-toplevel :execute)
(require '#:osi))
#+allegro
(defun %invoke (command arglist)
(let ((cmd #-mswindows (concatenate 'vector (list command command) arglist)
#+mswindows (format nil "~A~{ ~A~}" command arglist)))
(multiple-value-bind (output error-output exit-code)
(excl.osi:command-output cmd :whole t)
(declare (ignore error-output))
(values exit-code output))))
;;; FIXME: Runs shell, and arguments are unquoted.
#+lispworks
(defun %invoke (command arglist)
(let ((s (make-string-output-stream)))
(values (sys:call-system-showing-output
(format nil "~A~{ ~A~}" command arglist)
:output-stream s :prefix "" :show-cmd nil)
(get-output-stream-string s))))
;;; Do we really want to suppress the output by default?
(defun invoke (command &rest args)
(when (pathnamep command)
(setf command (cffi-sys:native-namestring command)))
(format *debug-io* "; ~A~{ ~A~}~%" command args)
(multiple-value-bind (exit-code output)
(%invoke command args)
(unless (zerop exit-code)
(grovel-error "External process exited with code ~S.~@
Command was: ~S~{ ~S~}~@
Output was:~%~A"
exit-code command args output))
output))
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