X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fpathname.lisp;h=c24892f04c78ccb1609031c035e6901215f1d464;hb=031ae238d37250e935dabaf2a3efb6e0305dd3e7;hp=249872345186c974edcfe4266864cf504145eb7c;hpb=1c347eae5ec81b6f41db9d27c1fe6d34abe1d3ca;p=sbcl.git diff --git a/src/code/pathname.lisp b/src/code/pathname.lisp index 2498723..c24892f 100644 --- a/src/code/pathname.lisp +++ b/src/code/pathname.lisp @@ -26,6 +26,7 @@ (customary-case (required-argument) :type (member :upper :lower))) (def!struct (logical-host + (:make-load-form-fun make-logical-host-load-form-fun) (:include host (:parse #'parse-logical-namestring) (:unparse #'unparse-logical-namestring) @@ -44,6 +45,12 @@ (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 "~@" + 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))) @@ -78,6 +85,12 @@ ;; on standard Unix filesystems) (version nil :type (or integer pathname-component-tokens (member :newest)))) +;;; Return a value suitable, e.g., for preinitializing +;;; *DEFAULT-PATHNAME-DEFAULTS* before *DEFAULT-PATHNAME-DEFAULTS* is +;;; initialized (at which time we can't safely call e.g. #'PATHNAME). +(defun make-trivial-default-pathname () + (%make-pathname *unix-host* nil nil nil nil :newest)) + ;;; Logical pathnames have the following format: ;;; ;;; logical-namestring ::= @@ -95,7 +108,7 @@ ;;; 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. +;;; relations are mimicked using structures for efficiency. (sb!xc:defstruct (logical-pathname (:conc-name %logical-pathname-) (:include pathname) (:constructor %make-logical-pathname @@ -105,19 +118,3 @@ name type version)))) - -(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)))) -