diff options
Diffstat (limited to 'lib/tools/emacs')
| -rw-r--r-- | lib/tools/emacs/erlang.el | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el index 0132587d28..b3b1eab02b 100644 --- a/lib/tools/emacs/erlang.el +++ b/lib/tools/emacs/erlang.el @@ -4901,9 +4901,14 @@ a prompt. When nil, we will wait forever, or until \\[keyboard-quit].") (defvar inferior-erlang-buffer nil "Buffer of last invoked inferior Erlang, or nil.") +;; Enable uniquifying Erlang shell buffers based on directory name. +(eval-after-load "uniquify" + '(add-to-list 'uniquify-list-buffers-directory-modes 'erlang-shell-mode)) + ;;;###autoload -(defun inferior-erlang () +(defun inferior-erlang (&optional command) "Run an inferior Erlang. +With prefix command, prompt for command to start Erlang with. This is just like running Erlang in a normal shell, except that an Emacs buffer is used for input and output. @@ -4917,17 +4922,37 @@ Entry to this mode calls the functions in the variables The following commands imitate the usual Unix interrupt and editing control characters: \\{erlang-shell-mode-map}" - (interactive) + (interactive + (when current-prefix-arg + (list (if (fboundp 'read-shell-command) + ;; `read-shell-command' is a new function in Emacs 23. + (read-shell-command "Erlang command: ") + (read-string "Erlang command: "))))) (require 'comint) - (let ((opts inferior-erlang-machine-options)) - (cond ((eq inferior-erlang-shell-type 'oldshell) - (setq opts (cons "-oldshell" opts))) - ((eq inferior-erlang-shell-type 'newshell) - (setq opts (append '("-newshell" "-env" "TERM" "vt100") opts)))) - (setq inferior-erlang-buffer - (apply 'make-comint - inferior-erlang-process-name inferior-erlang-machine - nil opts))) + (let (cmd opts) + (if command + (setq cmd "sh" + opts (list "-c" command)) + (setq cmd inferior-erlang-machine + opts inferior-erlang-machine-options) + (cond ((eq inferior-erlang-shell-type 'oldshell) + (setq opts (cons "-oldshell" opts))) + ((eq inferior-erlang-shell-type 'newshell) + (setq opts (append '("-newshell" "-env" "TERM" "vt100") opts))))) + + ;; Using create-file-buffer and list-buffers-directory in this way + ;; makes uniquify give each buffer a unique name based on the + ;; directory. + (let ((fake-file-name (expand-file-name inferior-erlang-buffer-name default-directory))) + (setq inferior-erlang-buffer (create-file-buffer fake-file-name)) + (apply 'make-comint-in-buffer + inferior-erlang-process-name + inferior-erlang-buffer + cmd + nil opts) + (with-current-buffer inferior-erlang-buffer + (setq list-buffers-directory fake-file-name)))) + (setq inferior-erlang-process (get-buffer-process inferior-erlang-buffer)) (if (> 21 erlang-emacs-major-version) ; funcalls to avoid compiler warnings @@ -4940,10 +4965,6 @@ editing control characters: (if (and (not (eq system-type 'windows-nt)) (eq inferior-erlang-shell-type 'newshell)) (setq comint-process-echoes t)) - ;; `rename-buffer' takes only one argument in Emacs 18. - (condition-case nil - (rename-buffer inferior-erlang-buffer-name t) - (error (rename-buffer inferior-erlang-buffer-name))) (erlang-shell-mode)) |