;;;; files for more information.
(in-package "SB!IMPL")
-
-(file-comment
- "$Header$")
\f
;;;; data types used by pathnames
;;; The HOST structure holds the functions that both parse the
;;; pathname information into structure slot entries, and after
;;; translation the inverse (unparse) functions.
-(sb!xc:defstruct (host (:constructor nil))
- (parse (required-argument) :type function)
- (unparse (required-argument) :type function)
- (unparse-host (required-argument) :type function)
- (unparse-directory (required-argument) :type function)
- (unparse-file (required-argument) :type function)
- (unparse-enough (required-argument) :type function)
- (customary-case (required-argument) :type (member :upper :lower)))
+(def!struct (host (:constructor nil))
+ (parse (missing-arg) :type function)
+ (unparse (missing-arg) :type function)
+ (unparse-host (missing-arg) :type function)
+ (unparse-directory (missing-arg) :type function)
+ (unparse-file (missing-arg) :type function)
+ (unparse-enough (missing-arg) :type function)
+ (customary-case (missing-arg) :type (member :upper :lower)))
+
+(def!method print-object ((host host) stream)
+ (print-unreadable-object (host stream :type t :identity t)))
-(sb!xc:defstruct (logical-host
- (:include host
- (:parse #'parse-logical-namestring)
- (:unparse #'unparse-logical-namestring)
- (:unparse-host
- (lambda (x)
- (logical-host-name (%pathname-host x))))
- (:unparse-directory #'unparse-logical-directory)
- (:unparse-file #'unparse-unix-file)
- (:unparse-enough #'identity)
- (:customary-case :upper)))
+(def!struct (logical-host
+ (:make-load-form-fun make-logical-host-load-form-fun)
+ (:include host
+ (:parse #'parse-logical-namestring)
+ (:unparse #'unparse-logical-namestring)
+ (:unparse-host
+ (lambda (x)
+ (logical-host-name (%pathname-host x))))
+ (:unparse-directory #'unparse-logical-directory)
+ (:unparse-file #'unparse-unix-file)
+ (:unparse-enough #'unparse-enough-namestring)
+ (:customary-case :upper)))
(name "" :type simple-base-string)
(translations nil :type list)
(canon-transls nil :type list))
+(def!method print-object ((logical-host logical-host) stream)
+ (print-unreadable-object (logical-host stream :type t)
+ (prin1 (logical-host-name logical-host) stream)))
+
+;;; What would it mean to dump a logical host and reload it into
+;;; another Lisp image? It's not clear, so we don't support it.
+(defun make-logical-host-load-form-fun (logical-host)
+ (error "~@<A logical host can't be dumped as a constant: ~2I~_~S~:>"
+ logical-host))
+
;;; A PATTERN is a list of entries and wildcards used for pattern
;;; matches of translations.
(sb!xc:defstruct (pattern (:constructor make-pattern (pieces)))
;;; the various magic tokens that are allowed to appear in pretty much
;;; all pathname components
-(sb!xc:deftype component-tokens () ; FIXME: rename to PATHNAME-COMPONENT-TOKENS
+(sb!xc:deftype pathname-component-tokens ()
'(member nil :unspecific :wild))
(sb!xc:defstruct (pathname (:conc-name %pathname-)
;; the host (at present either a UNIX or logical host)
(host nil :type (or host null))
;; the name of a logical or physical device holding files
- (device nil :type (or simple-string component-tokens))
+ (device nil :type (or simple-string pathname-component-tokens))
;; a list of strings that are the component subdirectory components
(directory nil :type list)
;; the filename
- (name nil :type (or simple-string pattern component-tokens))
+ (name nil :type (or simple-string pattern pathname-component-tokens))
;; the type extension of the file
- (type nil :type (or simple-string pattern component-tokens))
+ (type nil :type (or simple-string pattern pathname-component-tokens))
;; the version number of the file, a positive integer (not supported
;; on standard Unix filesystems)
- (version nil :type (or integer component-tokens (member :newest))))
+ (version nil :type (or integer pathname-component-tokens (member :newest))))
;;; Logical pathnames have the following format:
;;;
;;;
;;; Physical pathnames include all these slots and a device slot.
-;;; Logical pathnames are a subclass of pathname. Their class
-;;; relations are mimicked using structures for efficency.
+;;; Logical pathnames are a subclass of PATHNAME. Their class
+;;; relations are mimicked using structures for efficiency.
(sb!xc:defstruct (logical-pathname (:conc-name %logical-pathname-)
(:include pathname)
(:constructor %make-logical-pathname
name
type
version))))
-\f
-(defmacro-mundanely enumerate-search-list ((var pathname &optional result)
- &body body)
- #!+sb-doc
- "Execute BODY with VAR bound to each successive possible expansion for
- PATHNAME and then return RESULT. Note: if PATHNAME does not contain a
- search-list, then BODY is executed exactly once. Everything is wrapped
- in a block named NIL, so RETURN can be used to terminate early. Note:
- VAR is *not* bound inside of RESULT."
- (let ((body-name (gensym)))
- `(block nil
- (flet ((,body-name (,var)
- ,@body))
- (%enumerate-search-list ,pathname #',body-name)
- ,result))))
-
projects / sbcl.git / blobdiff