Newer
Older
;;; This is asdf: Another System Definition Facility. $Revision: 1.82 $

Daniel Barlow
committed
;;;
;;; Feedback, bug reports, and patches are all welcome: please mail to
;;; <cclan-list@lists.sf.net>. But note first that the canonical
;;; source for asdf is presently the cCLan CVS repository at
;;; <URL:http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/cclan/asdf/>

Daniel Barlow
committed
;;;
;;; If you obtained this copy from anywhere else, and you experience
;;; trouble using it, or find bugs, you may want to check at the
;;; location above for a more recent version (and for documentation
;;; and test files, if your copy came without them) before reporting
;;; bugs. There are usually two "supported" revisions - the CVS HEAD
;;; is the latest development version, whereas the revision tagged
;;; RELEASE may be slightly older but is considered `stable'
;;; Copyright (c) 2001-2003 Daniel Barlow and contributors

Daniel Barlow
committed
;;;
;;; 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.
;;; the problem with writing a defsystem replacement is bootstrapping:
;;; we can't use defsystem to compile it. Hence, all in one file
(defpackage #:asdf
(:export #:defsystem #:oos #:operate #:find-system #:run-shell-command
#:system-definition-pathname #:find-component ; miscellaneous
#:compile-op #:load-op #:load-source-op #:test-system-version
#:version ; metaphorically sort-of an operation
#:input-files #:output-files #:perform ; operation methods
#:operation-done-p #:explain
#:component #:source-file
#:c-source-file #:cl-source-file #:java-source-file
#:unix-dso
#:module-components ; component accessors
#:component-pathname
#:component-relative-pathname
#:component-name
#:component-version

Daniel Barlow
committed
#:component-property
#:component-system

Daniel Barlow
committed
#:system-description
#:system-long-description
#:system-author
#:system-maintainer
#:system-license

Daniel Barlow
committed
#:operation-on-warnings
#:operation-on-failure
#:*compile-file-warnings-behaviour*
#:*compile-file-failure-behaviour*
#:operation-error #:compile-failed #:compile-warned #:compile-error
#:system-definition-error
#:missing-component
#:missing-dependency
#:circular-dependency ; errors
#:retry
#:accept ; restarts
#+nil
(error "The author of this file habitually uses #+nil to comment out forms. But don't worry, it was unlikely to work in the New Implementation of Lisp anyway")
(defvar *asdf-revision* (let* ((v "$Revision: 1.82 $")
(colon (or (position #\: v) -1))
(dot (position #\. v)))
(and v colon dot
(list (parse-integer v :start (1+ colon)
:junk-allowed t)
(parse-integer v :start (1+ dot)
:junk-allowed t)))))
(defvar *compile-file-warnings-behaviour* :warn)
(defvar *compile-file-failure-behaviour* #+sbcl :error #-sbcl :warn)
(defvar *verbose-out* nil)

Daniel Barlow
committed
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; utility stuff
(defmacro aif (test then &optional else)
`(let ((it ,test)) (if it ,then ,else)))
(defun pathname-sans-name+type (pathname)
"Returns a new pathname with same HOST, DEVICE, DIRECTORY as PATHNAME,
and NIL NAME and TYPE components"
(make-pathname :name nil :type nil :defaults pathname))
(define-modify-macro appendf (&rest args)
append "Append onto list")
(define-condition system-definition-error (error) ()
;; [this use of :report should be redundant, but unfortunately it's not.
;; cmucl's lisp::output-instance prefers the kernel:slot-class-print-function
;; over print-object; this is always conditions::%print-condition for
;; condition objects, which in turn does inheritance of :report options at
;; run-time. fortunately, inheritance means we only need this kludge here in
;; order to fix all conditions that build on it. -- rgr, 28-Jul-02.]
#+cmu (:report print-object))
(define-condition formatted-system-definition-error (system-definition-error)
((format-control :initarg :format-control :reader format-control)
(format-arguments :initarg :format-arguments :reader format-arguments))
(:report (lambda (c s)
(apply #'format s (format-control c) (format-arguments c)))))
(define-condition circular-dependency (system-definition-error)

Daniel Barlow
committed
((components :initarg :components :reader circular-dependency-components)))
(define-condition missing-component (system-definition-error)
((requires :initform "(unnamed)" :reader missing-requires :initarg :requires)
(version :initform nil :reader missing-version :initarg :version)
(parent :initform nil :reader missing-parent :initarg :parent)))
(define-condition missing-dependency (missing-component)
((required-by :initarg :required-by :reader missing-required-by)))
(define-condition operation-error (error)
((component :reader error-component :initarg :component)
(operation :reader error-operation :initarg :operation))
(:report (lambda (c s)
(format s (formatter "~@<erred while invoking ~A on ~A~@:>")
(define-condition compile-error (operation-error) ())
(define-condition compile-failed (compile-error) ())
(define-condition compile-warned (compile-error) ())
((name :accessor component-name :initarg :name :documentation
"Component name: designator for a string composed of portable pathname characters")
(version :accessor component-version :initarg :version)
(in-order-to :initform nil :initarg :in-order-to)

Daniel Barlow
committed
;;; XXX crap name
(do-first :initform nil :initarg :do-first)
;; methods defined using the "inline" style inside a defsystem form:
;; need to store them somewhere so we can delete them when the system
;; is re-evaluated
(inline-methods :accessor component-inline-methods :initform nil)
(parent :initarg :parent :initform nil :reader component-parent)
;; no direct accessor for pathname, we do this as a method to allow
;; it to default in funky ways if not supplied
(operation-times :initform (make-hash-table )
:accessor component-operation-times)
;; XXX we should provide some atomic interface for updating the
;; component properties

Daniel Barlow
committed
(properties :accessor component-properties :initarg :properties
:initform nil)))
;;;; methods: conditions
(defmethod print-object ((c missing-dependency) s)
(format s (formatter "~@<~A, required by ~A~@:>")
(call-next-method c nil)
(missing-required-by c)))
(defun sysdef-error (format &rest arguments)
(error 'formatted-system-definition-error :format-control format :format-arguments arguments))
;;;; methods: components
(defmethod print-object ((c missing-component) s)
(format s (formatter "~@<component ~S not found~
~@[ or does not match version ~A~]~
~@[ in ~A~]~@:>")
(missing-requires c)
(missing-version c)
(when (missing-parent c)
(component-name (missing-parent c)))))
(defgeneric component-system (component)
(:documentation "Find the top-level system containing COMPONENT"))
(defmethod component-system ((component component))
(aif (component-parent component)
(component-system it)
component))
(defmethod print-object ((c component) stream)
(print-unreadable-object (c stream :type t :identity t)
((components :initform nil :accessor module-components :initarg :components)
;; what to do if we can't satisfy a dependency of one of this module's
;; components. This allows a limited form of conditional processing
(if-component-dep-fails :initform :fail
:accessor module-if-component-dep-fails
:initarg :if-component-dep-fails)
(default-component-class :accessor module-default-component-class
:initform 'cl-source-file :initarg :default-component-class)))
(defgeneric component-pathname (component)
(:documentation "Extracts the pathname applicable for a particular component."))
(defun component-parent-pathname (component)
(aif (component-parent component)
(component-pathname it)
*default-pathname-defaults*))
(defgeneric component-relative-pathname (component)
(:documentation "Extracts the relative pathname applicable for a particular component."))
(defmethod component-relative-pathname ((component module))
(or (slot-value component 'relative-pathname)
(make-pathname
:directory `(:relative ,(component-name component))
:host (pathname-host (component-parent-pathname component)))))
(defmethod component-pathname ((component component))
(let ((*default-pathname-defaults* (component-parent-pathname component)))
(merge-pathnames (component-relative-pathname component))))
(defgeneric component-property (component property))

Daniel Barlow
committed
(defmethod component-property ((c component) property)
(cdr (assoc property (slot-value c 'properties) :test #'equal)))

Daniel Barlow
committed
(defgeneric (setf component-property) (new-value component property))

Daniel Barlow
committed
(defmethod (setf component-property) (new-value (c component) property)
(let ((a (assoc property (slot-value c 'properties) :test #'equal)))

Daniel Barlow
committed
(if a
(setf (cdr a) new-value)
(setf (slot-value c 'properties)
(acons property new-value (slot-value c 'properties))))))
(defclass system (module)
((description :accessor system-description :initarg :description)
(long-description
:accessor system-long-description :initarg :long-description)
(author :accessor system-author :initarg :author)
(maintainer :accessor system-maintainer :initarg :maintainer)
(licence :accessor system-licence :initarg :licence)))
;;; version-satisfies
;;; with apologies to christophe rhodes ...
(defun split (string &optional max (ws '(#\Space #\Tab)))
(flet ((is-ws (char) (find char ws)))
(nreverse
(let ((list nil) (start 0) (words 0) end)
(loop
(when (and max (>= words (1- max)))
(return (cons (subseq string start) list)))
(setf end (position-if #'is-ws string :start start))
(push (subseq string start end) list)
(incf words)
(unless end (return list))
(setf start (1+ end)))))))
(defgeneric version-satisfies (component version))
(defmethod version-satisfies ((c component) version)
(unless (and version (slot-boundp c 'version))
(return-from version-satisfies t))
(let ((x (mapcar #'parse-integer
(split (component-version c) nil '(#\.))))
(y (mapcar #'parse-integer
(split version nil '(#\.)))))
(labels ((bigger (x y)
(cond ((not y) t)
((not x) nil)
((> (car x) (car y)) t)
((= (car x) (car y))
(bigger (cdr x) (cdr y))))))
(and (= (car x) (car y))
(or (not (cdr y)) (bigger (cdr x) (cdr y)))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; finding systems
(defvar *defined-systems* (make-hash-table :test 'equal))
(defun coerce-name (name)
(typecase name
(component (component-name name))
(symbol (string-downcase (symbol-name name)))
(string name)
(t (sysdef-error (formatter "~@<invalid component designator ~A~@:>")
name))))
;;; for the sake of keeping things reasonably neat, we adopt a
;;; convention that functions in this list are prefixed SYSDEF-
(defvar *system-definition-search-functions*
'(sysdef-central-registry-search))
(defun system-definition-pathname (system)
(some (lambda (x) (funcall x system))
*system-definition-search-functions*))
(defvar *central-registry*
'(*default-pathname-defaults*
#+nil "/home/dan/src/sourceforge/cclan/asdf/systems/"
#+nil "telent:asdf;systems;"))
(defun sysdef-central-registry-search (system)
(let ((name (coerce-name system)))
(block nil
(dolist (dir *central-registry*)
(let* ((defaults (eval dir))
(file (and defaults
(make-pathname
:defaults defaults :version :newest
:name name :type "asd" :case :local))))
(if (and file (probe-file file))
(return file)))))))
(defun find-system (name &optional (error-p t))
(let* ((name (coerce-name name))
(in-memory (gethash name *defined-systems*))
(on-disk (system-definition-pathname name)))
(when (and on-disk
(or (not in-memory)
(< (car in-memory) (file-write-date on-disk))))
(let ((*package* (make-package (gensym (package-name #.*package*))
:use '(:cl :asdf))))

Daniel Barlow
committed
(format *verbose-out*
(formatter "~&~@<; ~@;loading system definition from ~A into ~A~@:>~%")
;; FIXME: This wants to be (ENOUGH-NAMESTRING
;; ON-DISK), but CMUCL barfs on that.
on-disk
*package*)
(load on-disk)))
(let ((in-memory (gethash name *defined-systems*)))
(if in-memory
(progn (if on-disk (setf (car in-memory) (file-write-date on-disk)))
(cdr in-memory))
(if error-p (error 'missing-component :requires name))))))
(defun register-system (name system)

Daniel Barlow
committed
(format *verbose-out*
(formatter "~&~@<; ~@;registering ~A as ~A~@:>~%") system name)
(setf (gethash (coerce-name name) *defined-systems*)
(cons (get-universal-time) system)))
(defun system-registered-p (name)
(gethash (coerce-name name) *defined-systems*))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; finding components
(defgeneric find-component (module name &optional version)
(:documentation "Finds the component with name NAME present in the
MODULE module; if MODULE is nil, then the component is assumed to be a
system."))
(defmethod find-component ((module module) name &optional version)
(let ((m (find name (module-components module)
:test #'equal :key #'component-name)))
(if (and m (version-satisfies m version)) m))))
(defmethod find-component ((module (eql nil)) name &optional version)
(if (and m (version-satisfies m version)) m)))
(defclass source-file (component) ())
(defclass cl-source-file (source-file) ())
(defclass c-source-file (source-file) ())
(defclass java-source-file (source-file) ())
(defclass static-file (source-file) ())
(defclass doc-file (static-file) ())
(defclass html-file (doc-file) ())
(defgeneric source-file-type (component system))
(defmethod source-file-type ((c cl-source-file) (s module)) "lisp")
(defmethod source-file-type ((c c-source-file) (s module)) "c")
(defmethod source-file-type ((c java-source-file) (s module)) "java")
(defmethod source-file-type ((c static-file) (s module)) nil)
(defmethod component-relative-pathname ((component source-file))
(let* ((*default-pathname-defaults* (component-parent-pathname component))
(name-type
(make-pathname
:name (component-name component)
:type (source-file-type component
(component-system component)))))
(if (slot-value component 'relative-pathname)
(merge-pathnames
(slot-value component 'relative-pathname)
name-type)
name-type)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; operations
;;; one of these is instantiated whenever (operate ) is called
(defclass operation ()
((forced :initform nil :initarg :force :accessor operation-forced)
(original-initargs :initform nil :initarg :original-initargs
:accessor operation-original-initargs)
(visited-nodes :initform nil :accessor operation-visited-nodes)
(visiting-nodes :initform nil :accessor operation-visiting-nodes)
(parent :initform nil :initarg :parent :accessor operation-parent)))
(defmethod print-object ((o operation) stream)
(print-unreadable-object (o stream :type t :identity t)
(ignore-errors
(prin1 (operation-original-initargs o) stream))))
(defmethod shared-initialize :after ((operation operation) slot-names
&key force
&allow-other-keys)
(declare (ignore slot-names force))
;; empty method to disable initarg validity checking
)
(defgeneric perform (operation component))
(defgeneric operation-done-p (operation component))
(defgeneric explain (operation component))
(defgeneric output-files (operation component))
(defun node-for (o c)
(cons (class-name (class-of o)) c))
(defgeneric operation-ancestor (operation)
(:documentation "Recursively chase the operation's parent pointer until we get to the head of the tree"))
(defmethod operation-ancestor ((operation operation))
(aif (operation-parent operation)
(operation-ancestor it)
operation))
(defun make-sub-operation (c o dep-c dep-o)
(let* ((args (copy-list (operation-original-initargs o)))
(force-p (getf args :force)))
;; note explicit comparison with T: any other non-NIL force value
;; (e.g. :recursive) will pass through
(cond ((and (null (component-parent c))
(null (component-parent dep-c))
(not (eql c dep-c)))
(when (eql force-p t)
(setf (getf args :force) nil))
(apply #'make-instance dep-o
:parent o
:original-initargs args args))
((subtypep (type-of o) dep-o)
o)
(t
(apply #'make-instance dep-o
:parent o :original-initargs args args)))))
(defmethod visit-component ((o operation) (c component) data)
(unless (component-visited-p o c)
(push (cons (node-for o c) data)
(operation-visited-nodes (operation-ancestor o)))))
(defgeneric component-visited-p (operation component))
(defmethod component-visited-p ((o operation) (c component))
(assoc (node-for o c)
(operation-visited-nodes (operation-ancestor o))
:test 'equal))
(defgeneric (setf visiting-component) (new-value operation component))
(defmethod (setf visiting-component) (new-value operation component)
;; MCL complains about unused lexical variables
(declare (ignorable new-value operation component)))
(defmethod (setf visiting-component) (new-value (o operation) (c component))
(let ((node (node-for o c))
(a (operation-ancestor o)))
(if new-value
(pushnew node (operation-visiting-nodes a) :test 'equal)
(setf (operation-visiting-nodes a)
(remove node (operation-visiting-nodes a) :test 'equal)))))
(defgeneric component-visiting-p (operation component))
(defmethod component-visiting-p ((o operation) (c component))
(let ((node (cons o c)))
(member node (operation-visiting-nodes (operation-ancestor o))
:test 'equal)))
(defgeneric component-depends-on (operation component))
(defmethod component-depends-on ((o operation) (c component))
(cdr (assoc (class-name (class-of o))
(slot-value c 'in-order-to))))
(defgeneric component-self-dependencies (operation component))
(defmethod component-self-dependencies ((o operation) (c component))
(let ((all-deps (component-depends-on o c)))
(remove-if-not (lambda (x)
(member (component-name c) (cdr x) :test #'string=))
all-deps)))
(defmethod input-files ((operation operation) (c component))
(let ((parent (component-parent c))
(self-deps (component-self-dependencies operation c)))
(if self-deps
(mapcan (lambda (dep)
(destructuring-bind (op name) dep
(output-files (make-instance op)
(find-component parent name))))
self-deps)
;; no previous operations needed? I guess we work with the
;; original source file, then
(list (component-pathname c)))))
(defmethod input-files ((operation operation) (c module)) nil)

Daniel Barlow
committed
(defmethod operation-done-p ((o operation) (c component))
(let ((out-files (output-files o c))
(in-files (input-files o c)))
(cond ((and (not in-files) (not out-files))
;; arbitrary decision: an operation that uses nothing to
;; produce nothing probably isn't doing much
t)
((not out-files)
(let ((op-done
(gethash (type-of o)
(component-operation-times c))))
(and op-done
(>= op-done
(or (apply #'max
(mapcar #'file-write-date in-files)) 0)))))
((not in-files) nil)
(t
(and
(every #'probe-file out-files)
(> (apply #'min (mapcar #'file-write-date out-files))
(apply #'max (mapcar #'file-write-date in-files)) ))))))
;;; So you look at this code and think "why isn't it a bunch of
;;; methods". And the answer is, because standard method combination
;;; runs :before methods most->least-specific, which is back to front
;;; for our purposes. And CLISP doesn't have non-standard method
;;; combinations, so let's keep it simple and aspire to portability
(defgeneric traverse (operation component))
(defmethod traverse ((operation operation) (c component))
(let ((forced nil))
(labels ((do-one-dep (required-op required-c required-v)
(let* ((dep-c (or (find-component
(component-parent c)
;; XXX tacky. really we should build the
;; in-order-to slot with canonicalized
;; names instead of coercing this late
(coerce-name required-c) required-v)
(error 'missing-dependency :required-by c
:version required-v
:requires required-c)))
(op (make-sub-operation c operation dep-c required-op)))
(do-dep (op dep)
(cond ((eq op 'feature)
(or (member (car dep) *features*)
(error 'missing-dependency :required-by c
:requires (car dep) :version nil)))
(t
(dolist (d dep)
(cond ((consp d)
(assert (string-equal
(symbol-name (first d))
"VERSION"))
(appendf forced
(do-one-dep op (second d) (third d))))
(t
(appendf forced (do-one-dep op d nil)))))))))
(aif (component-visited-p operation c)
(if (cdr it) (list (cons 'pruned-op c)) nil)))
;; dependencies
(if (component-visiting-p operation c)
(error 'circular-dependency :components (list c)))
(setf (visiting-component operation c) t)
(loop for (required-op . deps) in (component-depends-on operation c)
do (do-dep required-op deps))
;; constituent bits
(let ((module-ops
(when (typep c 'module)
(let ((at-least-one nil)
(forced nil)
(error nil))
(loop for kid in (module-components c)
do (handler-case
(appendf forced (traverse operation kid ))
(missing-dependency (condition)
(if (eq (module-if-component-dep-fails c) :fail)
(error condition))
(setf error condition))
(:no-error (c)
(declare (ignore c))
(setf at-least-one t))))
(when (and (eq (module-if-component-dep-fails c) :try-next)
(not at-least-one))
(error error))
forced))))
;; now the thing itself
(when (or forced module-ops
(not (operation-done-p operation c))
(let ((f (operation-forced (operation-ancestor operation))))
(and f (or (not (consp f))
(member (component-name
(operation-ancestor operation))
(mapcar #'coerce-name f)
:test #'string=)))))
(let ((do-first (cdr (assoc (class-name (class-of operation))
(slot-value c 'do-first)))))
(loop for (required-op . deps) in do-first
do (do-dep required-op deps)))
(setf forced (append (delete 'pruned-op forced :key #'car)
(delete 'pruned-op module-ops :key #'car)
(list (cons operation c))))))
(setf (visiting-component operation c) nil)
(visit-component operation c (and forced t))
forced)))
(defmethod perform ((operation operation) (c source-file))
(formatter "~@<required method PERFORM not implemented~
for operation ~A, component ~A~@:>")
(class-of operation) (class-of c)))
(defmethod perform ((operation operation) (c module))
nil)
(defmethod explain ((operation operation) (component component))

Daniel Barlow
committed
(format *verbose-out* "~&;;; ~A on ~A~%"
(defclass compile-op (operation)
((proclamations :initarg :proclamations :accessor compile-op-proclamations :initform nil)
(on-warnings :initarg :on-warnings :accessor operation-on-warnings
:initform *compile-file-warnings-behaviour*)
(on-failure :initarg :on-failure :accessor operation-on-failure
:initform *compile-file-failure-behaviour*)))
(defmethod perform :before ((operation compile-op) (c source-file))
(map nil #'ensure-directories-exist (output-files operation c)))
(defmethod perform :after ((operation operation) (c component))
(setf (gethash (type-of operation) (component-operation-times c))
(get-universal-time)))
;;; perform is required to check output-files to find out where to put
;;; its answers, in case it has been overridden for site policy
(defmethod perform ((operation compile-op) (c cl-source-file))

Daniel Barlow
committed
(let ((source-file (component-pathname c))
(output-file (car (output-files operation c))))
(compile-file source-file
:output-file output-file)
;(declare (ignore output))
(:warn (warn
(formatter "~@<COMPILE-FILE warned while ~
performing ~A on ~A.~@:>")
operation c))
(:error (error 'compile-warned :component c :operation operation))
(:ignore nil)))
(when failure-p
(case (operation-on-failure operation)
(:warn (warn
(formatter "~@<COMPILE-FILE failed while ~
performing ~A on ~A.~@:>")
operation c))
(:ignore nil)))
(unless output
(error 'compile-error :component c :operation operation)))))
(defmethod output-files ((operation compile-op) (c cl-source-file))
#-:cormanlisp (list (compile-file-pathname (component-pathname c)))
#+:cormanlisp (list (component-pathname c)))
(defmethod perform ((operation compile-op) (c static-file))
nil)
(defmethod output-files ((operation compile-op) (c static-file))
nil)
(defclass load-op (operation) ())
(defmethod perform ((o load-op) (c cl-source-file))
(defmethod perform ((operation load-op) (c static-file))
nil)
(defmethod operation-done-p ((operation load-op) (c static-file))
t)
(defmethod component-depends-on ((operation load-op) (c component))
(cons (list 'compile-op (component-name c))
(call-next-method)))
;;; load-source-op
(defclass load-source-op (operation) ())
(defmethod perform ((o load-source-op) (c cl-source-file))

Kevin Rosenberg
committed
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
(let ((source (component-pathname c)))
(setf (component-property c 'last-loaded-as-source)
(and (load source)
(get-universal-time)))))
(defmethod perform ((operation load-source-op) (c static-file))
nil)
(defmethod output-files ((operation load-source-op) (c component))
nil)
;;; FIXME: we simply copy load-op's dependencies. this is Just Not Right.
(defmethod component-depends-on ((o load-source-op) (c component))
(let ((what-would-load-op-do (cdr (assoc 'load-op
(slot-value c 'in-order-to)))))
(mapcar (lambda (dep)
(if (eq (car dep) 'load-op)
(cons 'load-source-op (cdr dep))
dep))
what-would-load-op-do)))
(defmethod operation-done-p ((o load-source-op) (c source-file))
(if (or (not (component-property c 'last-loaded-as-source))
(> (file-write-date (component-pathname c))
(component-property c 'last-loaded-as-source)))
nil t))
(defclass test-op (operation) ())
(defmethod perform ((operation test-op) (c component))
nil)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; invoking operations
(defun operate (operation-class system &rest args)
(let* ((op (apply #'make-instance operation-class
:original-initargs args args))

Daniel Barlow
committed
(*verbose-out*
(if (getf args :verbose t)
*trace-output*

Daniel Barlow
committed
(make-broadcast-stream)))
(with-compilation-unit ()
(retry ()
:report
(lambda (s)
(format s
(formatter "~@<Retry performing ~S on ~S.~@:>")
op component)))
(accept ()
:report
(lambda (s)
(format s
(formatter "~@<Continue, treating ~S on ~S as ~
having been successful.~@:>")
op component))
(setf (gethash (type-of op)
(component-operation-times component))
(get-universal-time))
(return))))))))
(defun oos (&rest args)
"Alias of OPERATE function"
(apply #'operate args))
(defun remove-keyword (key arglist)
(labels ((aux (key arglist)
(cond ((null arglist) nil)
((eq key (car arglist)) (cddr arglist))
(t (cons (car arglist) (cons (cadr arglist)
(remove-keyword
key (cddr arglist))))))))
(aux key arglist)))
(destructuring-bind (&key pathname (class 'system) &allow-other-keys) options
(let ((component-options (remove-keyword :class options)))
`(progn
;; system must be registered before we parse the body, otherwise
;; we recur when trying to find an existing system of the same name
;; to reuse options (e.g. pathname) from
(let ((s (system-registered-p ',name)))
(cond ((and s (eq (type-of (cdr s)) ',class))
(setf (car s) (get-universal-time)))
(s
#+clisp
(sysdef-error "Cannot redefine the existing system ~A with a different class" s)
#-clisp
(change-class (cdr s) ',class))
(t
(register-system (quote ,name)
(make-instance ',class :name ',name)))))
(parse-component-form nil (apply
#'list
:module (coerce-name ',name)
:pathname
(or ,pathname
(pathname-sans-name+type
(defun class-for-type (parent type)
(let ((class (find-class
(or (find-symbol (symbol-name type) *package*)
(find-symbol (symbol-name type) #.*package*)) nil)))
(or class
(and (eq type :file)
(or (module-default-component-class parent)
(find-class 'cl-source-file)))
(sysdef-error (formatter "~@<don't recognize component type ~A~@:>")
type))))
(defun maybe-add-tree (tree op1 op2 c)
"Add the node C at /OP1/OP2 in TREE, unless it's there already.
Returns the new tree (which probably shares structure with the old one)"
(let ((first-op-tree (assoc op1 tree)))
(if first-op-tree
(progn
(aif (assoc op2 (cdr first-op-tree))
(if (find c (cdr it))
nil
(setf (cdr it) (cons c (cdr it))))
(setf (cdr first-op-tree)
(acons op2 (list c) (cdr first-op-tree))))
tree)
(acons op1 (list (list op2 c)) tree))))
(defun union-of-dependencies (&rest deps)
(let ((new-tree nil))
(dolist (dep deps)
(dolist (op-tree dep)
(dolist (op (cdr op-tree))
(dolist (c (cdr op))
(setf new-tree
(maybe-add-tree new-tree (car op-tree) (car op) c))))))
new-tree))
(defun remove-keys (key-names args)
(loop for ( name val ) on args by #'cddr
unless (member (symbol-name name) key-names
:key #'symbol-name :test 'equal)
append (list name val)))
(defvar *serial-depends-on*)
(defun parse-component-form (parent options)
(destructuring-bind
(type name &rest rest &key
;; the following list of keywords is reproduced below in the
;; remove-keys form. important to keep them in sync
components pathname default-component-class
perform explain output-files operation-done-p
depends-on serial in-order-to
(check-component-input type name depends-on components in-order-to)
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
(let* ((other-args (remove-keys
'(components pathname default-component-class
perform explain output-files operation-done-p
depends-on serial in-order-to)
rest))
(ret
(or (find-component parent name)
(make-instance (class-for-type parent type)))))
(when (boundp '*serial-depends-on*)
(setf depends-on
(concatenate 'list *serial-depends-on* depends-on)))
(apply #'reinitialize-instance
ret
:name (coerce-name name)
:pathname pathname
:parent parent
other-args)
(when (typep ret 'module)
(setf (module-default-component-class ret)
(or default-component-class
(and (typep parent 'module)
(module-default-component-class parent))))
(let ((*serial-depends-on* nil))
(setf (module-components ret)
(loop for c-form in components
for c = (parse-component-form ret c-form)
collect c
if serial
do (push (component-name c) *serial-depends-on*)))))
(setf (slot-value ret 'in-order-to)
(union-of-dependencies
in-order-to
`((compile-op (compile-op ,@depends-on))
(load-op (load-op ,@depends-on))))
(slot-value ret 'do-first) `((compile-op (load-op ,@depends-on))))
(loop for (n v) in `((perform ,perform) (explain ,explain)
(output-files ,output-files)
(operation-done-p ,operation-done-p))
do (map 'nil
;; this is inefficient as most of the stored
;; methods will not be for this particular gf n
;; But this is hardly performance-critical
(lambda (m) (remove-method (symbol-function n) m))
(component-inline-methods ret))
when v
do (destructuring-bind (op qual (o c) &body body) v
(pushnew
(eval `(defmethod ,n ,qual ((,o ,op) (,c (eql ,ret)))
,@body))
(component-inline-methods ret))))
ret)))
(defun check-component-input (type name depends-on components in-order-to)
"A partial test of the values of a component."
(unless (listp depends-on)
(sysdef-error-component ":depends-on must be a list."
type name depends-on))
(unless (listp components)
(sysdef-error-component ":components must be NIL or a list of components."
type name components))
(unless (and (listp in-order-to) (listp (car in-order-to)))