diff options
Diffstat (limited to 'lisp/eshell/em-cmpl.el')
| -rw-r--r-- | lisp/eshell/em-cmpl.el | 60 |
1 files changed, 40 insertions, 20 deletions
diff --git a/lisp/eshell/em-cmpl.el b/lisp/eshell/em-cmpl.el index b65652019d4..732bbb3f1fa 100644 --- a/lisp/eshell/em-cmpl.el +++ b/lisp/eshell/em-cmpl.el @@ -306,9 +306,24 @@ to writing a completion function." (defun eshell-complete--eval-argument-form (arg) "Evaluate a single Eshell argument form ARG for the purposes of completion." - (let ((result (eshell-do-eval `(eshell-commands ,arg) t))) - (cl-assert (eq (car result) 'quote)) - (cadr result))) + (condition-case err + (let* (;; Don't allow running commands; they could have + ;; arbitrary side effects, which we don't want when we're + ;; just performing completions! + (eshell-allow-commands) + ;; Handle errors ourselves so that we can properly catch + ;; `eshell-commands-forbidden'. + (eshell-handle-errors) + (result (eshell-do-eval `(eshell-commands ,arg) t))) + (cl-assert (eq (car result) 'quote)) + (cadr result)) + (eshell-commands-forbidden + (propertize "\0" 'eshell-argument-stub + (intern (format "%s-command" (cadr err))))) + (error + (lwarn 'eshell :error + "Failed to evaluate argument form during completion: %S" arg) + (propertize "\0" 'eshell-argument-stub 'error)))) (defun eshell-complete-parse-arguments () "Parse the command line arguments for `pcomplete-argument'." @@ -325,23 +340,28 @@ to writing a completion function." (if (= begin end) (end-of-line)) (setq end (point-marker))) - (if (setq delim - (catch 'eshell-incomplete - (ignore - (setq args (eshell-parse-arguments begin end))))) - (cond ((member (car delim) '("{" "${" "$<")) - (setq begin (1+ (cadr delim)) - args (eshell-parse-arguments begin end))) - ((member (car delim) '("$'" "$\"" "#<")) - ;; Add the (incomplete) argument to our arguments, and - ;; note its position. - (setq args (append (nth 2 delim) (list (car delim))) - incomplete-arg t) - (push (- (nth 1 delim) 2) posns)) - ((member (car delim) '("(" "$(")) - (throw 'pcompleted (elisp-completion-at-point))) - (t - (eshell--pcomplete-insert-tab)))) + ;; Don't expand globs when parsing arguments; we want to pass any + ;; globs to Pcomplete unaltered. + (declare-function eshell-parse-glob-chars "em-glob" ()) + (let ((eshell-parse-argument-hook (remq #'eshell-parse-glob-chars + eshell-parse-argument-hook))) + (if (setq delim + (catch 'eshell-incomplete + (ignore + (setq args (eshell-parse-arguments begin end))))) + (cond ((member (car delim) '("{" "${" "$<")) + (setq begin (1+ (cadr delim)) + args (eshell-parse-arguments begin end))) + ((member (car delim) '("$'" "$\"" "#<")) + ;; Add the (incomplete) argument to our arguments, and + ;; note its position. + (setq args (append (nth 2 delim) (list (car delim))) + incomplete-arg t) + (push (- (nth 1 delim) 2) posns)) + ((member (car delim) '("(" "$(")) + (throw 'pcompleted (elisp-completion-at-point))) + (t + (eshell--pcomplete-insert-tab))))) (when (get-text-property (1- end) 'comment) (eshell--pcomplete-insert-tab)) (let ((pos (1- end))) |