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;;;; ---------------------------------------------------------------------------
Francois-Rene Rideau
committed
;;;; Access to the Operating System
(asdf/package:define-package :asdf/os
(:recycle :asdf/os :asdf)
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(:use :cl :asdf/package :asdf/implementation :asdf/utility :asdf/pathname)
(:export
#:featurep #:os-unix-p #:os-windows-p ;; features
#:read-file-forms ;; simple filesystem manipulation
#:copy-stream-to-stream #:concatenate-files ;; simple stream copy
#:getenv ;; environment variables, and parsing them
#:inter-directory-separator #:split-pathnames*
#:getenv-pathname #:getenv-pathnames
#:getenv-absolute-directory #:getenv-absolute-directories
#:implementation-identifier ;; implementation identifier
#:implementation-type #:operating-system #:architecture #:lisp-version-string
#:hostname #:user-homedir #:lisp-implementation-directory))
(in-package :asdf/os)
;;; Features
(defun* featurep (x &optional (features *features*))
(cond
((atom x)
(and (member x features) t))
((eq :not (car x))
(assert (null (cddr x)))
(not (featurep (cadr x) features)))
((eq :or (car x))
(some #'(lambda (x) (featurep x features)) (cdr x)))
((eq :and (car x))
(every #'(lambda (x) (featurep x features)) (cdr x)))
(t
(error "Malformed feature specification ~S" x))))
(defun* os-unix-p ()
(featurep '(:or :unix :cygwin :darwin)))
(defun* os-windows-p ()
(and (not (os-unix-p)) (featurep '(:or :win32 :windows :mswindows :mingw32))))
;;; Simple filesystem manipulation
(defun* read-file-forms (file)
(with-open-file (in file)
(loop :with eof = (list nil)
:for form = (read in nil eof)
:until (eq form eof)
:collect form)))
;; Simple stream copy
(defun* copy-stream-to-stream (input output &key (element-type 'character) (buffer-size 8192))
"Copy the contents of the INPUT stream into the OUTPUT stream,
using WRITE-SEQUENCE and a sensibly sized buffer." ; copied from xcvb-driver
(with-open-stream (input input)
(loop
:for buffer = (make-array (list buffer-size) :element-type element-type)
:for end = (read-sequence buffer input)
:until (zerop end)
:do (write-sequence buffer output :end end)
(when (< end buffer-size) (return)))))
(defun* concatenate-files (inputs output)
(with-open-file (o output :element-type '(unsigned-byte 8)
:direction :output :if-exists :rename-and-delete)
(dolist (input inputs)
(with-open-file (i input :element-type '(unsigned-byte 8)
:direction :input :if-does-not-exist :error)
(copy-stream-to-stream i o :element-type '(unsigned-byte 8))))))
;;;; Environment variables: getting them, and parsing them.
(defun* getenv (x)
(declare (ignorable x))
#+(or abcl clisp ecl xcl) (ext:getenv x)
#+allegro (sys:getenv x)
#+clozure (ccl:getenv x)
#+(or cmu scl) (cdr (assoc x ext:*environment-list* :test #'string=))
#+cormanlisp
(let* ((buffer (ct:malloc 1))
(cname (ct:lisp-string-to-c-string x))
(needed-size (win:getenvironmentvariable cname buffer 0))
(buffer1 (ct:malloc (1+ needed-size))))
(prog1 (if (zerop (win:getenvironmentvariable cname buffer1 needed-size))
nil
(ct:c-string-to-lisp-string buffer1))
(ct:free buffer)
(ct:free buffer1)))
#+gcl (system:getenv x)
#+genera nil
#+lispworks (lispworks:environment-variable x)
#+mcl (ccl:with-cstrs ((name x))
(let ((value (_getenv name)))
(unless (ccl:%null-ptr-p value)
(ccl:%get-cstring value))))
#+mkcl (#.(or (find-symbol* 'getenv :si) (find-symbol* 'getenv :mk-ext)) x)
#+sbcl (sb-ext:posix-getenv x)
#-(or abcl allegro clisp clozure cmu cormanlisp ecl gcl genera lispworks mcl mkcl sbcl scl xcl)
(error "~S is not supported on your implementation" 'getenv))
(defun* inter-directory-separator ()
(if (os-unix-p) #\: #\;))
(defun* split-pathnames* (x want-absolute want-directory fmt &rest args)
(loop :for dir :in (split-string
x :separator (string (inter-directory-separator)))
:collect (apply 'ensure-pathname* dir want-absolute want-directory fmt args)))
(defun* getenv-pathname (x &key want-absolute want-directory &aux (s (getenv x)))
(ensure-pathname* s want-absolute want-directory "from (getenv ~S)" x))
(defun* getenv-pathnames (x &key want-absolute want-directory &aux (s (getenv x)))
(and (plusp (length s))
(split-pathnames* s want-absolute want-directory "from (getenv ~S) = ~S" x s)))
(defun* getenv-absolute-directory (x)
(getenv-pathname x :want-absolute t :want-directory t))
(defun* getenv-absolute-directories (x)
(getenv-pathnames x :want-absolute t :want-directory t))
;;;; implementation-identifier
;;
;; produce a string to identify current implementation.
;; Initially stolen from SLIME's SWANK, completely rewritten since.
;; We're back to runtime checking, for the sake of e.g. ABCL.
(defun* first-feature (features)
(dolist (x features)
(multiple-value-bind (val feature)
(if (consp x) (values (first x) (cons :or (rest x))) (values x x))
(when (featurep feature) (return val)))))
(defun* implementation-type ()
(first-feature
'(:abcl (:acl :allegro) (:ccl :clozure) :clisp (:corman :cormanlisp) :cmu
:ecl :gcl (:lw :lispworks) :mcl :mkcl :sbcl :scl :symbolics :xcl)))
(defun* operating-system ()
(first-feature
'(:cygwin (:win :windows :mswindows :win32 :mingw32) ;; try cygwin first!
(:linux :linux :linux-target) ;; for GCL at least, must appear before :bsd
(:macosx :macosx :darwin :darwin-target :apple) ; also before :bsd
(:solaris :solaris :sunos) (:bsd :bsd :freebsd :netbsd :openbsd) :unix
:genera)))
(defun* architecture ()
(first-feature
'((:x64 :amd64 :x86-64 :x86_64 :x8664-target (:and :word-size=64 :pc386))
(:x86 :x86 :i386 :i486 :i586 :i686 :pentium3 :pentium4 :pc386 :iapx386 :x8632-target)
(:ppc64 :ppc64 :ppc64-target) (:ppc32 :ppc32 :ppc32-target :ppc :powerpc)
:hppa64 :hppa :sparc64 (:sparc32 :sparc32 :sparc)
:mipsel :mipseb :mips :alpha (:arm :arm :arm-target) :imach
;; Java comes last: if someone uses C via CFFI or otherwise JNA or JNI,
;; we may have to segregate the code still by architecture.
(:java :java :java-1.4 :java-1.5 :java-1.6 :java-1.7))))
#+clozure
(defun* ccl-fasl-version ()
;; the fasl version is target-dependent from CCL 1.8 on.
(or (let ((s 'ccl::target-fasl-version))
(and (fboundp s) (funcall s)))
(and (boundp 'ccl::fasl-version)
(symbol-value 'ccl::fasl-version))
(error "Can't determine fasl version.")))
(defun* lisp-version-string ()
(let ((s (lisp-implementation-version)))
(car ; as opposed to OR, this idiom prevents some unreachable code warning
(list
#+allegro
(format nil "~A~@[~A~]~@[~A~]~@[~A~]"
excl::*common-lisp-version-number*
;; M means "modern", as opposed to ANSI-compatible mode (which I consider default)
(and (eq excl:*current-case-mode* :case-sensitive-lower) "M")
;; Note if not using International ACL
;; see http://www.franz.com/support/documentation/8.1/doc/operators/excl/ics-target-case.htm
(excl:ics-target-case (:-ics "8"))
(and (member :smp *features*) "S"))
#+armedbear (format nil "~a-fasl~a" s system::*fasl-version*)
#+clisp
(subseq s 0 (position #\space s)) ; strip build information (date, etc.)
#+clozure
(format nil "~d.~d-f~d" ; shorten for windows
ccl::*openmcl-major-version*
ccl::*openmcl-minor-version*
(logand (ccl-fasl-version) #xFF))
#+cmu (substitute #\- #\/ s)
#+scl (format nil "~A~A" s
;; ANSI upper case vs lower case.
(ecase ext:*case-mode* (:upper "") (:lower "l")))
#+ecl (format nil "~A~@[-~A~]" s
(let ((vcs-id (ext:lisp-implementation-vcs-id)))
(subseq vcs-id 0 (min (length vcs-id) 8))))
#+gcl (subseq s (1+ (position #\space s)))
#+genera
(multiple-value-bind (major minor) (sct:get-system-version "System")
(format nil "~D.~D" major minor))
#+mcl (subseq s 8) ; strip the leading "Version "
s))))
(defun* implementation-identifier ()
(substitute-if
#\_ #'(lambda (x) (find x " /:;&^\\|?<>(){}[]$#`'\""))
(format nil "~(~a~@{~@[-~a~]~}~)"
(or (implementation-type) (lisp-implementation-type))
(or (lisp-version-string) (lisp-implementation-version))
(or (operating-system) (software-type))
(or (architecture) (machine-type)))))
;;;; Other system information
(defun* hostname ()
;; Note: untested on RMCL
#+(or abcl clozure cmucl ecl genera lispworks mcl mkcl sbcl scl xcl) (machine-instance)
#+cormanlisp "localhost" ;; is there a better way? Does it matter?
#+allegro (excl.osi:gethostname)
#+clisp (first (split-string (machine-instance) :separator " "))
#+gcl (system:gethostname))
(defun* user-homedir ()
(truenamize
(pathname-directory-pathname
#+cormanlisp (ensure-directory-pathname (user-homedir-pathname))
#+mcl (current-user-homedir-pathname)
#-(or cormanlisp mcl) (user-homedir-pathname))))
(defun* lisp-implementation-directory (&key truename)
(let ((dir
(ignore-errors
#+(or ecl mkcl) #p"SYS:"
#+sbcl (aif (find-symbol* :sbcl-homedir-pathname :sb-int)
(funcall it)
(getenv-pathname "SBCL_HOME" :want-directory t)))))
(if (and dir truename)