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;;;; ---------------------------------------------------------------------------
;;;; asdf-output-translations
Francois-Rene Rideau
committed
(asdf/package:define-package :asdf/output-translations
(:recycle :asdf/output-translations :asdf)
(:use :common-lisp :asdf/utility :asdf/pathname :asdf/os :asdf/lisp-build :asdf/upgrade :asdf/configuration)
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(:export
#:invalid-output-translation
#:output-translations #:output-translations-initialized-p
#:initialize-output-translations #:clear-output-translations
#:disable-output-translations #:ensure-output-translations
#:apply-output-translations
#:validate-output-translations-directive #:validate-output-translations-form
#:validate-output-translations-file #:validate-output-translations-directory
#:parse-output-translations-string #:wrapping-output-translations
#:user-output-translations-pathname #:system-output-translations-pathname
#:user-output-translations-directory-pathname #:system-output-translations-directory-pathname
#:environment-output-translations #:process-output-translations
#:compute-output-translations
))
(in-package :asdf/output-translations)
(define-condition invalid-output-translation (invalid-configuration warning)
((format :initform (compatfmt "~@<Invalid asdf output-translation ~S~@[ in ~S~]~@{ ~@?~}~@:>"))))
(defvar *output-translations* ()
"Either NIL (for uninitialized), or a list of one element,
said element itself being a sorted list of mappings.
Each mapping is a pair of a source pathname and destination pathname,
and the order is by decreasing length of namestring of the source pathname.")
(defun* output-translations ()
(car *output-translations*))
(defun* set-output-translations (new-value)
(setf *output-translations*
(list
(stable-sort (copy-list new-value) #'>
:key #'(lambda (x)
(etypecase (car x)
((eql t) -1)
(pathname
(let ((directory (pathname-directory (car x))))
(if (listp directory) (length directory) 0))))))))
new-value)
(defsetf output-translations set-output-translations) ; works with gcl 2.6
(defun* output-translations-initialized-p ()
(and *output-translations* t))
(defun* clear-output-translations ()
"Undoes any initialization of the output translations.
You might want to call that before you dump an image that would be resumed
with a different configuration, so the configuration would be re-read then."
(setf *output-translations* '())
(values))
(defun* validate-output-translations-directive (directive)
(or (member directive '(:enable-user-cache :disable-cache nil))
(and (consp directive)
(or (and (length=n-p directive 2)
(or (and (eq (first directive) :include)
(typep (second directive) '(or string pathname null)))
(and (location-designator-p (first directive))
(or (location-designator-p (second directive))
(location-function-p (second directive))))))
(and (length=n-p directive 1)
(location-designator-p (first directive)))))))
(defun* validate-output-translations-form (form &key location)
(validate-configuration-form
form
:output-translations
'validate-output-translations-directive
:location location :invalid-form-reporter 'invalid-output-translation))
(defun* validate-output-translations-file (file)
(validate-configuration-file
file 'validate-output-translations-form :description "output translations"))
(defun* validate-output-translations-directory (directory)
(validate-configuration-directory
directory :output-translations 'validate-output-translations-directive
:invalid-form-reporter 'invalid-output-translation))
(defun* parse-output-translations-string (string &key location)
(cond
((or (null string) (equal string ""))
'(:output-translations :inherit-configuration))
((not (stringp string))
(error (compatfmt "~@<Environment string isn't: ~3i~_~S~@:>") string))
((eql (char string 0) #\")
(parse-output-translations-string (read-from-string string) :location location))
((eql (char string 0) #\()
(validate-output-translations-form (read-from-string string) :location location))
(t
(loop
:with inherit = nil
:with directives = ()
:with start = 0
:with end = (length string)
:with source = nil
:with separator = (inter-directory-separator)
:for i = (or (position separator string :start start) end) :do
(let ((s (subseq string start i)))
(cond
(source
(push (list source (if (equal "" s) nil s)) directives)
(setf source nil))
((equal "" s)
(when inherit
(error (compatfmt "~@<Only one inherited configuration allowed: ~3i~_~S~@:>")
string))
(setf inherit t)
(push :inherit-configuration directives))
(t
(setf source s)))
(setf start (1+ i))
(when (> start end)
(when source
(error (compatfmt "~@<Uneven number of components in source to destination mapping: ~3i~_~S~@:>")
string))
(unless inherit
(push :ignore-inherited-configuration directives))
(return `(:output-translations ,@(nreverse directives)))))))))
(defparameter *default-output-translations*
'(environment-output-translations
user-output-translations-pathname
user-output-translations-directory-pathname
system-output-translations-pathname
system-output-translations-directory-pathname))
(defun* wrapping-output-translations ()
`(:output-translations
;; Some implementations have precompiled ASDF systems,
;; so we must disable translations for implementation paths.
#+(or #|clozure|# ecl mkcl sbcl)
,@(let ((h (lisp-implementation-directory :truename t))) (when h `(((,h ,*wild-path*) ()))))
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#+mkcl (,(translate-logical-pathname "CONTRIB:") ())
;; All-import, here is where we want user stuff to be:
:inherit-configuration
;; These are for convenience, and can be overridden by the user:
#+abcl (#p"/___jar___file___root___/**/*.*" (:user-cache #p"**/*.*"))
#+abcl (#p"jar:file:/**/*.jar!/**/*.*" (:function translate-jar-pathname))
;; We enable the user cache by default, and here is the place we do:
:enable-user-cache))
(defparameter *output-translations-file* (coerce-pathname "asdf-output-translations.conf"))
(defparameter *output-translations-directory* (coerce-pathname "asdf-output-translations.conf.d/"))
(defun* user-output-translations-pathname (&key (direction :input))
(in-user-configuration-directory *output-translations-file* :direction direction))
(defun* system-output-translations-pathname (&key (direction :input))
(in-system-configuration-directory *output-translations-file* :direction direction))
(defun* user-output-translations-directory-pathname (&key (direction :input))
(in-user-configuration-directory *output-translations-directory* :direction direction))
(defun* system-output-translations-directory-pathname (&key (direction :input))
(in-system-configuration-directory *output-translations-directory* :direction direction))
(defun* environment-output-translations ()
(getenv "ASDF_OUTPUT_TRANSLATIONS"))
(defgeneric* process-output-translations (spec &key inherit collect))
(defun* inherit-output-translations (inherit &key collect)
(when inherit
(process-output-translations (first inherit) :collect collect :inherit (rest inherit))))
(defun* process-output-translations-directive (directive &key inherit collect)
(if (atom directive)
(ecase directive
((:enable-user-cache)
(process-output-translations-directive '(t :user-cache) :collect collect))
((:disable-cache)
(process-output-translations-directive '(t t) :collect collect))
((:inherit-configuration)
(inherit-output-translations inherit :collect collect))
((:ignore-inherited-configuration :ignore-invalid-entries nil)
nil))
(let ((src (first directive))
(dst (second directive)))
(if (eq src :include)
(when dst
(process-output-translations (pathname dst) :inherit nil :collect collect))
(when src
(let ((trusrc (or (eql src t)
(let ((loc (resolve-location src :directory t :wilden t)))
(if (absolute-pathname-p loc) (truenamize loc) loc)))))
(cond
((location-function-p dst)
(funcall collect
(list trusrc
(if (symbolp (second dst))
(fdefinition (second dst))
(eval (second dst))))))
((eq dst t)
(funcall collect (list trusrc t)))
(t
(let* ((trudst (if dst
(resolve-location dst :directory t :wilden t)
trusrc)))
(funcall collect (list trudst t))
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(funcall collect (list trusrc trudst)))))))))))
(defmethod process-output-translations ((x symbol) &key
(inherit *default-output-translations*)
collect)
(process-output-translations (funcall x) :inherit inherit :collect collect))
(defmethod process-output-translations ((pathname #-gcl<2.7 pathname #+gcl<2.7 t) &key inherit collect)
(cond
((directory-pathname-p pathname)
(process-output-translations (validate-output-translations-directory pathname)
:inherit inherit :collect collect))
((probe-file* pathname)
(process-output-translations (validate-output-translations-file pathname)
:inherit inherit :collect collect))
(t
(inherit-output-translations inherit :collect collect))))
(defmethod process-output-translations ((string string) &key inherit collect)
(process-output-translations (parse-output-translations-string string)
:inherit inherit :collect collect))
(defmethod process-output-translations ((x null) &key inherit collect)
(declare (ignorable x))
(inherit-output-translations inherit :collect collect))
(defmethod process-output-translations ((form cons) &key inherit collect)
(dolist (directive (cdr (validate-output-translations-form form)))
(process-output-translations-directive directive :inherit inherit :collect collect)))
(defun* compute-output-translations (&optional parameter)
"read the configuration, return it"
(remove-duplicates
(while-collecting (c)
(inherit-output-translations
`(wrapping-output-translations ,parameter ,@*default-output-translations*) :collect #'c))
:test 'equal :from-end t))
(defvar *output-translations-parameter* nil)
(defun* initialize-output-translations (&optional (parameter *output-translations-parameter*))
"read the configuration, initialize the internal configuration variable,
return the configuration"
(setf *output-translations-parameter* parameter
(output-translations) (compute-output-translations parameter)))
(defun* disable-output-translations ()
"Initialize output translations in a way that maps every file to itself,
effectively disabling the output translation facility."
(initialize-output-translations
'(:output-translations :disable-cache :ignore-inherited-configuration)))
;; checks an initial variable to see whether the state is initialized
;; or cleared. In the former case, return current configuration; in
;; the latter, initialize. ASDF will call this function at the start
;; of (asdf:find-system).
(defun* ensure-output-translations ()
(if (output-translations-initialized-p)
(output-translations)
(initialize-output-translations)))
(defun* apply-output-translations (path)
#+cormanlisp (truenamize path) #-cormanlisp
(etypecase path
(logical-pathname
path)
((or pathname string)
(ensure-output-translations)
(loop :with p = (truenamize path)
:for (source destination) :in (car *output-translations*)
:for root = (when (or (eq source t)
(and (pathnamep source)
(not (absolute-pathname-p source))))
(pathname-root p))
:for absolute-source = (cond
((eq source t) (wilden root))
(root (merge-pathnames* source root))
(t source))
:when (or (eq source t) (pathname-match-p p absolute-source))
:return (translate-pathname* p absolute-source destination root source)
:finally (return p)))))
#+abcl
(defun* translate-jar-pathname (source wildcard)
(declare (ignore wildcard))
(flet ((normalize-device (pathname)
(if (find :windows *features*)
pathname
(make-pathname :defaults pathname :device :unspecific))))
(let* ((jar
(pathname (first (pathname-device source))))
(target-root-directory-namestring
(format nil "/___jar___file___root___/~@[~A/~]"
(and (find :windows *features*)
(pathname-device jar))))
(relative-source
(relativize-pathname-directory source))
(relative-jar
(relativize-pathname-directory (ensure-directory-pathname jar)))
(target-root-directory
(normalize-device
(pathname-directory-pathname
(parse-namestring target-root-directory-namestring))))
(target-root
(merge-pathnames* relative-jar target-root-directory))
(target
(merge-pathnames* relative-source target-root)))
(normalize-device (apply-output-translations target)))))
(setf *output-translation-hook* 'apply-output-translations)
(pushnew 'clear-output-translations *clear-configuration-hook*)