;;;; testcover-unsafep.el -- Use testcover to test unsafep's code coverage ;; Copyright (C) 2002 Free Software Foundation, Inc. ;; Author: Jonathan Yavner ;; Maintainer: Jonathan Yavner ;; Keywords: safety lisp utility ;; This file is part of GNU Emacs. ;; GNU Emacs is free software; you can redistribute it and/or modify ;; it under the terms of the GNU General Public License as published by ;; the Free Software Foundation; either version 2, or (at your option) ;; any later version. ;; GNU Emacs is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details. ;; You should have received a copy of the GNU General Public License ;; along with GNU Emacs; see the file COPYING. If not, write to the ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, ;; Boston, MA 02111-1307, USA. (require 'testcover) ;;;These forms are all considered safe (defconst testcover-unsafep-safe '(((lambda (x) (* x 2)) 14) (apply 'cdr (mapcar '(lambda (x) (car x)) y)) (cond ((= x 4) 5) (t 27)) (condition-case x (car y) (error (car x))) (dolist (x y) (message "here: %s" x)) (dotimes (x 14 (* x 2)) (message "here: %d" x)) (let (x) (dolist (y '(1 2 3) (1+ y)) (push y x))) (let (x) (apply '(lambda (x) (* x 2)) 14)) (let ((x '(2))) (push 1 x) (pop x) (add-to-list 'x 2)) (let ((x 1) (y 2)) (setq x (+ x y))) (let ((x 1)) (let ((y (+ x 3))) (* x y))) (let* nil (current-time)) (let* ((x 1) (y (+ x 3))) (* x y)) (mapcar (lambda (x &optional y &rest z) (setq y (+ x 2)) (* y 3)) '(1 2 3)) (mapconcat #'(lambda (var) (propertize var 'face 'bold)) '("1" "2") ", ") (setq buffer-display-count 14 mark-active t) ;;This is not safe if you insert it into a buffer! (propertize "x" 'display '(height (progn (delete-file "x") 1)))) "List of forms that `unsafep' should decide are safe.") ;;;These forms are considered unsafe (defconst testcover-unsafep-unsafe '(( (add-to-list x y) . (unquoted x)) ( (add-to-list y x) . (unquoted y)) ( (add-to-list 'y x) . (global-variable y)) ( (not (delete-file "unsafep.el")) . (function delete-file)) ( (cond (t (aset local-abbrev-table 0 0))) . (function aset)) ( (cond (t (setq unsafep-vars ""))) . (risky-local-variable unsafep-vars)) ( (condition-case format-alist 1) . (risky-local-variable format-alist)) ( (condition-case x 1 (error (setq format-alist ""))) . (risky-local-variable format-alist)) ( (dolist (x (sort globalvar 'car)) (princ x)) . (function sort)) ( (dotimes (x 14) (delete-file "x")) . (function delete-file)) ( (let ((post-command-hook "/tmp/")) 1) . (risky-local-variable post-command-hook)) ( (let ((x (delete-file "x"))) 2) . (function delete-file)) ( (let (x) (add-to-list 'x (delete-file "x"))) . (function delete-file)) ( (let (x) (condition-case y (setq x 1 z 2))) . (global-variable z)) ( (let (x) (condition-case z 1 (error (delete-file "x")))) . (function delete-file)) ( (let (x) (mapc (lambda (x) (setcar x 1)) '((1 . 2) (3 . 4)))) . (function setcar)) ( (let (y) (push (delete-file "x") y)) . (function delete-file)) ( (let* ((x 1)) (setq y 14)) . (global-variable y)) ( (mapc 'car (list '(1 . 2) (cons 3 4) (kill-buffer "unsafep.el"))) . (function kill-buffer)) ( (mapcar x y) . (unquoted x)) ( (mapcar '(lambda (x) (rename-file x "x")) '("unsafep.el")) . (function rename-file)) ( (mapconcat x1 x2 " ") . (unquoted x1)) ( (pop format-alist) . (risky-local-variable format-alist)) ( (push 1 format-alist) . (risky-local-variable format-alist)) ( (setq buffer-display-count (delete-file "x")) . (function delete-file)) ;;These are actualy safe (they signal errors) ( (apply '(x) '(1 2 3)) . (function (x))) ( (let (((x))) 1) . (variable (x))) ( (let (1) 2) . (variable 1)) ) "A-list of (FORM . REASON)... that`unsafep' should decide are unsafe.") ;;;######################################################################### (defun testcover-unsafep () "Executes all unsafep tests and displays the coverage results." (interactive) (testcover-unmark-all "unsafep.el") (testcover-start "unsafep.el") (let (save-functions) (dolist (x testcover-unsafep-safe) (if (unsafep x) (error "%S should be safe" x))) (dolist (x testcover-unsafep-unsafe) (if (not (equal (unsafep (car x)) (cdr x))) (error "%S should be unsafe: %s" (car x) (cdr x)))) (setq safe-functions t) (if (or (unsafep '(delete-file "x")) (unsafep-function 'delete-file)) (error "safe-functions=t should allow delete-file")) (setq safe-functions '(setcar)) (if (unsafep '(setcar x 1)) (error "safe-functions=(setcar) should allow setcar")) (if (not (unsafep '(setcdr x 1))) (error "safe-functions=(setcar) should not allow setcdr"))) (testcover-mark-all "unsafep.el") (testcover-end "unsafep.el") (message "Done")) ;; testcover-unsafep.el ends here.