;;; -*- mode: common-lisp; Base: 10 ; Syntax: ANSI-Common-Lisp -*-
-;;; This is ASDF 2.015: Another System Definition Facility.
+;;; This is ASDF 2.015.3: Another System Definition Facility.
;;;
;;; Feedback, bug reports, and patches are all welcome:
;;; please mail to <asdf-devel@common-lisp.net>.
;; "2.345.6" would be a development version in the official upstream
;; "2.345.0.7" would be your seventh local modification of official release 2.345
;; "2.345.6.7" would be your seventh local modification of development version 2.345.6
- (asdf-version "2.015")
+ (asdf-version "2.015.3")
(existing-asdf (fboundp 'find-system))
(existing-version *asdf-version*)
(already-there (equal asdf-version existing-version)))
#:inherit-source-registry #:process-source-registry-directive)
:export
(#:defsystem #:oos #:operate #:find-system #:run-shell-command
- #:system-definition-pathname
+ #:system-definition-pathname #:with-system-definitions
#:search-for-system-definition #:find-component ; miscellaneous
#:compile-system #:load-system #:test-system #:clear-system
#:compile-op #:load-op #:load-source-op
(defun* search-for-system-definition (system)
(let ((system-name (coerce-name system)))
(some #'(lambda (x) (funcall x system-name))
- *system-definition-search-functions*)))
+ (cons 'find-system-if-being-defined *system-definition-search-functions*))))
(defvar *central-registry* nil
"A list of 'system directory designators' ASDF uses to find systems.
(defmethod find-system (name &optional (error-p t))
(find-system (coerce-name name) error-p))
-(defun load-sysdef (name pathname)
+(defvar *systems-being-defined* nil
+ "A hash-table of systems currently being defined keyed by name, or NIL")
+
+(defun* find-system-if-being-defined (name)
+ (when *systems-being-defined*
+ (gethash (coerce-name name) *systems-being-defined*)))
+
+(defun* call-with-system-definitions (thunk)
+ (if *systems-being-defined*
+ (funcall thunk)
+ (let ((*systems-being-defined* (make-hash-table :test 'equal)))
+ (funcall thunk))))
+
+(defmacro with-system-definitions (() &body body)
+ `(call-with-system-definitions #'(lambda () ,@body)))
+
+(defun* load-sysdef (name pathname)
;; Tries to load system definition with canonical NAME from PATHNAME.
- (let ((package (make-temporary-package)))
- (unwind-protect
- (handler-bind
- ((error #'(lambda (condition)
- (error 'load-system-definition-error
- :name name :pathname pathname
- :condition condition))))
- (let ((*package* package))
- (asdf-message (compatfmt "~&~@<; ~@;Loading system definition from ~A into ~A~@:>~%")
- pathname package)
- (load pathname)))
- (delete-package package))))
+ (with-system-definitions ()
+ (let ((package (make-temporary-package)))
+ (unwind-protect
+ (handler-bind
+ ((error #'(lambda (condition)
+ (error 'load-system-definition-error
+ :name name :pathname pathname
+ :condition condition))))
+ (let ((*package* package))
+ (asdf-message (compatfmt "~&~@<; ~@;Loading system definition from ~A into ~A~@:>~%")
+ pathname package)
+ (load pathname)))
+ (delete-package package)))))
(defmethod find-system ((name string) &optional (error-p t))
- (let* ((in-memory (system-registered-p name)) ; load from disk if absent or newer on disk
- (previous (cdr in-memory))
- (previous (and (typep previous 'system) previous))
- (previous-time (car in-memory))
- (found (search-for-system-definition name))
- (found-system (and (typep found 'system) found))
- (pathname (or (and (typep found '(or pathname string)) (pathname found))
- (and found-system (system-source-file found-system))
- (and previous (system-source-file previous)))))
- (setf pathname (resolve-symlinks* pathname))
- (when (and pathname (not (absolute-pathname-p pathname)))
- (setf pathname (ensure-pathname-absolute pathname))
- (when found-system
- (%set-system-source-file pathname found-system)))
- (when (and previous (not (#-cormanlisp equal #+cormanlisp equalp
- (system-source-file previous) pathname)))
- (%set-system-source-file pathname previous)
- (setf previous-time nil))
- (when (and found-system (not previous))
- (register-system found-system))
- (when (and pathname
- (or (not previous-time)
- ;; don't reload if it's already been loaded,
- ;; or its filestamp is in the future which means some clock is skewed
- ;; and trying to load might cause an infinite loop.
- (< previous-time (safe-file-write-date pathname) (get-universal-time))))
- (load-sysdef name pathname))
- (let ((in-memory (system-registered-p name))) ; try again after loading from disk
- (cond
- (in-memory
- (when pathname
- (setf (car in-memory) (safe-file-write-date pathname)))
- (cdr in-memory))
- (error-p
- (error 'missing-component :requires name))))))
+ (with-system-definitions ()
+ (let* ((in-memory (system-registered-p name)) ; load from disk if absent or newer on disk
+ (previous (cdr in-memory))
+ (previous (and (typep previous 'system) previous))
+ (previous-time (car in-memory))
+ (found (search-for-system-definition name))
+ (found-system (and (typep found 'system) found))
+ (pathname (or (and (typep found '(or pathname string)) (pathname found))
+ (and found-system (system-source-file found-system))
+ (and previous (system-source-file previous)))))
+ (setf pathname (resolve-symlinks* pathname))
+ (when (and pathname (not (absolute-pathname-p pathname)))
+ (setf pathname (ensure-pathname-absolute pathname))
+ (when found-system
+ (%set-system-source-file pathname found-system)))
+ (when (and previous (not (#-cormanlisp equal #+cormanlisp equalp
+ (system-source-file previous) pathname)))
+ (%set-system-source-file pathname previous)
+ (setf previous-time nil))
+ (when (and found-system (not previous))
+ (register-system found-system))
+ (when (and pathname
+ (or (not previous-time)
+ ;; don't reload if it's already been loaded,
+ ;; or its filestamp is in the future which means some clock is skewed
+ ;; and trying to load might cause an infinite loop.
+ (< previous-time (safe-file-write-date pathname) (get-universal-time))))
+ (load-sysdef name pathname))
+ (let ((in-memory (system-registered-p name))) ; try again after loading from disk
+ (cond
+ (in-memory
+ (when pathname
+ (setf (car in-memory) (safe-file-write-date pathname)))
+ (cdr in-memory))
+ (error-p
+ (error 'missing-component :requires name)))))))
(defun* find-system-fallback (requested fallback &rest keys &key source-file &allow-other-keys)
(setf fallback (coerce-name fallback)
(defmethod component-depends-on ((o load-source-op) (c component))
(declare (ignorable o))
(loop :with what-would-load-op-do = (component-depends-on 'load-op c)
- :for (op co) :in what-would-load-op-do
+ :for (op . co) :in what-would-load-op-do
:when (eq op 'load-op) :collect (cons 'load-source-op co)))
(defmethod operation-done-p ((o load-source-op) (c source-file))
&key ((:verbose *asdf-verbose*) *asdf-verbose*) version force
&allow-other-keys)
(declare (ignore force))
- (let* ((op (apply 'make-instance operation-class
- :original-initargs args
- args))
- (*verbose-out* (if *asdf-verbose* *standard-output* (make-broadcast-stream)))
- (system (etypecase system
- (system system)
- ((or string symbol) (find-system system)))))
- (unless (version-satisfies system version)
- (error 'missing-component-of-version :requires system :version version))
- (let ((steps (traverse op system)))
- (when (and (not (equal '("asdf") (component-find-path system)))
- (find-if #'(lambda (x) (equal '("asdf")
- (component-find-path (cdr x))))
- steps)
- (upgrade-asdf))
- ;; If we needed to upgrade ASDF to achieve our goal,
- ;; then do it specially as the first thing, then
- ;; invalidate all existing system
- ;; retry the whole thing with the new OPERATE function,
- ;; which on some implementations
- ;; has a new symbol shadowing the current one.
- (return-from operate
- (apply (find-symbol* 'operate :asdf) operation-class system args)))
- (perform-plan steps)
- (values op steps))))
+ (with-system-definitions ()
+ (let* ((op (apply 'make-instance operation-class
+ :original-initargs args
+ args))
+ (*verbose-out* (if *asdf-verbose* *standard-output* (make-broadcast-stream)))
+ (system (etypecase system
+ (system system)
+ ((or string symbol) (find-system system)))))
+ (unless (version-satisfies system version)
+ (error 'missing-component-of-version :requires system :version version))
+ (let ((steps (traverse op system)))
+ (when (and (not (equal '("asdf") (component-find-path system)))
+ (find-if #'(lambda (x) (equal '("asdf")
+ (component-find-path (cdr x))))
+ steps)
+ (upgrade-asdf))
+ ;; If we needed to upgrade ASDF to achieve our goal,
+ ;; then do it specially as the first thing, then
+ ;; invalidate all existing system
+ ;; retry the whole thing with the new OPERATE function,
+ ;; which on some implementations
+ ;; has a new symbol shadowing the current one.
+ (return-from operate
+ (apply (find-symbol* 'operate :asdf) operation-class system args)))
+ (perform-plan steps)
+ (values op steps)))))
(defun* oos (operation-class system &rest args &key force verbose version
&allow-other-keys)
directory-pathname
(default-directory))))
-(defmacro defsystem (name &body options)
- (setf name (coerce-name name))
- (destructuring-bind (&key (pathname nil pathname-arg-p) (class 'system)
- defsystem-depends-on &allow-other-keys)
- options
- (let ((component-options (remove-keys '(: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
- ,@(loop :for system :in defsystem-depends-on
- :collect `(load-system ',(coerce-name system)))
- (let ((s (system-registered-p ',name)))
- (cond ((and s (eq (type-of (cdr s)) ',class))
- (setf (car s) (get-universal-time)))
- (s
- (change-class (cdr s) ',class))
- (t
- (register-system (make-instance ',class :name ',name))))
- (%set-system-source-file (load-pathname)
- (cdr (system-registered-p ',name))))
- (parse-component-form
- nil (list*
- :module (coerce-name ',name)
- :pathname
- ,(determine-system-pathname pathname pathname-arg-p)
- ',component-options))))))
-
(defun* class-for-type (parent type)
(or (loop :for symbol :in (list
type
(%refresh-component-inline-methods ret rest)
ret)))
+(defun* do-defsystem (name &rest options
+ &key (pathname nil pathname-arg-p) (class 'system)
+ defsystem-depends-on &allow-other-keys)
+ ;; The 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.
+ ;; To avoid infinite recursion in cases where you defsystem a system
+ ;; that is registered to a different location to find-system,
+ ;; we also need to remember it in a special variable *systems-being-defined*.
+ (with-system-definitions ()
+ (let* ((name (coerce-name name))
+ (registered (system-registered-p name))
+ (system (cdr (or registered
+ (register-system (make-instance 'system :name name)))))
+ (component-options (remove-keys '(:class) options)))
+ (%set-system-source-file (load-pathname) system)
+ (setf (gethash name *systems-being-defined*) system)
+ (when registered
+ (setf (car registered) (get-universal-time)))
+ (map () 'load-system defsystem-depends-on)
+ ;; We change-class (when necessary) AFTER we load the defsystem-dep's
+ ;; since the class might not be defined as part of those.
+ (unless (eq (type-of system) class)
+ (change-class system class))
+ (parse-component-form
+ nil (list*
+ :module name
+ :pathname (determine-system-pathname pathname pathname-arg-p)
+ component-options)))))
+
+(defmacro defsystem (name &body options)
+ `(apply 'do-defsystem ',name ',options))
+
;;;; ---------------------------------------------------------------------------
;;;; run-shell-command
;;;;
projects / sbcl.git / blobdiff