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(unload-feature): Delete the file's load-history element.

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(file-set-intersect): Renamed from set-intersect.
(file-dependents): Use new name.
This commit is contained in:
Richard M. Stallman 1995-08-02 18:34:19 +00:00
parent 91ea2a7a54
commit a5c31fa1f0
1 changed files with 10 additions and 8 deletions
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18
lisp/loadhist.el
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@ -53,7 +53,7 @@ Actually, return the load argument, if any; this is sometimes the name of a
Lisp file without an extension. If the feature came from an eval-buffer on
a buffer with no associated file, or an eval-region, return nil."
(if (not (featurep feature))
(error "%s is not a currently loaded feature." (symbol-name feature))
(error "%s is not a currently loaded feature" (symbol-name feature))
(car (feature-symbols feature))))
(defun file-provides (file)
@ -78,7 +78,7 @@ a buffer with no associated file, or an eval-region, return nil."
requires
))
(defun set-intersect (p q)
(defun file-set-intersect (p q)
;; Return the set intersection of two lists
(let ((ret nil))
(mapcar
@ -93,7 +93,7 @@ This can include FILE itself."
(let ((provides (file-provides file)) (dependents nil))
(mapcar
(function (lambda (x)
(if (set-intersect provides (file-requires (car x)))
(if (file-set-intersect provides (file-requires (car x)))
(setq dependents (cons (car x) dependents)))))
load-history)
dependents
@ -106,12 +106,12 @@ If the feature is required by any other loaded code, and optional FORCE
is nil, raise an error."
(interactive "SFeature: ")
(if (not (featurep feature))
(error "%s is not a currently loaded feature." (symbol-name feature)))
(error "%s is not a currently loaded feature" (symbol-name feature)))
(if (not force)
(let* ((file (feature-file feature))
(dependents (delete file (copy-sequence (file-dependents file)))))
(if dependents
(error "Loaded libraries %s depend on %s."
(error "Loaded libraries %s depend on %s"
(prin1-to-string dependents) file)
)))
(let* ((flist (feature-symbols feature)) (file (car flist)))
@ -126,9 +126,11 @@ is nil, raise an error."
((fboundp x)
(fmakunbound x)
(let ((aload (get x 'autoload)))
(if aload (fset x (cons 'autoload aload)))))))
)
(cdr flist))))
(if aload (fset x (cons 'autoload aload))))))))
(cdr flist))
;; Delete the load-history element for this file.
(let ((elt (assoc file load-history)))
(setq load-history (delq elt load-history)))))
(provide 'loadhist)