From: "Simen Heggestøyl via Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Stefan Kangas <stefankangas@gmail.com>
Cc: 67000@debbugs.gnu.org, Eli Zaretskii <eliz@gnu.org>
Subject: bug#67000: 30.0.50; [PATCH] Add support for reading/writing IELM input history
Date: Fri, 19 Jan 2024 08:48:51 +0100 [thread overview]
Message-ID: <87eded2270.fsf@runbox.com> (raw)
In-Reply-To: <CADwFkmk+Rchnzzj3B1twgWy3ZRTPmg5XcBix4YxxXfjwUU-VqA@mail.gmail.com> (Stefan Kangas's message of "Sat, 13 Jan 2024 01:08:49 -0600")
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Stefan Kangas <stefankangas@gmail.com> writes:
> I'm not against adding a hook to `kill-emacs-hook', but it should be
> added when you start IELM and not on top-level. We want to avoid any
> side effects from merely loading a file.
Fixed.
> I don't think this will work in its current form either: AFAICT,
> `comint-write-input-ring' saves it for the current buffer, and that's
> not guaranteed to be the *ielm* buffer when `kill-emacs-hook' runs.
>
> So you'd want to first switch to that buffer, I think. It could also
> have been renamed meanwhile, so I think you want to save the actual
> buffer and not it's name (i.e. use `get-buffer').
Right, good catch. New attempt in the attached patch!
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From 738801b3126e78cf893d58e47fa156aeeec84cfc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Simen=20Heggest=C3=B8yl?= <simenheg@runbox.com>
Date: Tue, 16 Jan 2024 08:21:41 +0100
Subject: [PATCH] Add support for reading/writing IELM input history
* lisp/ielm.el (inferior-emacs-lisp-mode): Add support for
reading/writing input history.
(ielm--history-file-name): Name of the file to read/write IELM input
history.
(ielm--exit): Holds a function to call when Emacs is killed to write
out the input history.
(ielm--input-history-writer): Helper function for writing the IELM
input history out to file.
---
etc/NEWS | 11 +++++++++++
lisp/ielm.el | 29 +++++++++++++++++++++++++++++
2 files changed, 40 insertions(+)
diff --git a/etc/NEWS b/etc/NEWS
index 735a05f6579..b87ba93f456 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1254,6 +1254,17 @@ chat buffers use by default.
*** New command 'customize-dirlocals'.
This command pops up a buffer to edit the settings in ".dir-locals.el".
+** IELM
+
+---
+*** IELM now remembers input history between sessions.
+
+---
+*** New variable 'ielm-history-file-name'.
+If non-nil, name of the file to read/write IELM input history. Set to
+nil to revert IELM to the old behavior of not remembering input
+history between sessions.
+
\f
* New Modes and Packages in Emacs 30.1
diff --git a/lisp/ielm.el b/lisp/ielm.el
index 777aebb70cf..54da62c4359 100644
--- a/lisp/ielm.el
+++ b/lisp/ielm.el
@@ -110,6 +110,13 @@ ielm-dynamic-multiline-inputs
such as `edebug-defun' to work with such inputs."
:type 'boolean)
+(defcustom ielm-history-file-name
+ (locate-user-emacs-file "ielm-history.eld")
+ "If non-nil, name of the file to read/write IELM input history."
+ :type '(choice (const :tag "nil" nil)
+ file)
+ :version "30.1")
+
(defvaralias 'inferior-emacs-lisp-mode-hook 'ielm-mode-hook)
(defcustom ielm-mode-hook nil
"Hooks to be run when IELM (`inferior-emacs-lisp-mode') is started."
@@ -503,6 +510,17 @@ ielm--expand-ellipsis
(funcall pp-default-function beg end)
end))
+;;; Input history
+
+(defvar ielm--exit
+ "Function to call when Emacs is killed.")
+
+(defun ielm--input-history-writer (buf)
+ "Return a function writing IELM input history to BUF."
+ (lambda ()
+ (with-current-buffer buf
+ (comint-write-input-ring))))
+
;;; Major mode
(define-derived-mode inferior-emacs-lisp-mode comint-mode "IELM"
@@ -605,6 +623,17 @@ inferior-emacs-lisp-mode
#'ielm-indirect-setup-hook 'append t)
(setq comint-indirect-setup-function #'emacs-lisp-mode)
+ ;; Input history
+ (setq-local comint-input-ring-file-name ielm-history-file-name)
+ (setq-local ielm--exit (ielm--input-history-writer (current-buffer)))
+ (setq-local kill-buffer-hook
+ (lambda ()
+ (funcall ielm--exit)
+ (remove-hook 'kill-emacs-hook ielm--exit)))
+ (unless noninteractive
+ (add-hook 'kill-emacs-hook ielm--exit))
+ (comint-read-input-ring t)
+
;; A dummy process to keep comint happy. It will never get any input
(unless (comint-check-proc (current-buffer))
;; Was cat, but on non-Unix platforms that might not exist, so
--
2.39.2
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-- Simen
next prev parent reply other threads:[~2024-01-19 7:48 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-08 15:11 bug#67000: 30.0.50; [PATCH] Add support for reading/writing IELM input history Simen Heggestøyl via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-12-15 1:06 ` Stefan Kangas
2024-01-04 7:46 ` Simen Heggestøyl via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-01-05 20:17 ` Stefan Kangas
2024-01-08 7:30 ` Simen Heggestøyl via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-01-08 19:51 ` Stefan Kangas
2024-01-12 16:09 ` Simen Heggestøyl via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-01-13 7:08 ` Stefan Kangas
2024-01-19 7:48 ` Simen Heggestøyl via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2024-01-28 15:09 ` Stefan Kangas
2024-02-07 14:02 ` Simen Heggestøyl via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-10 11:28 ` Stefan Kangas
2024-02-15 7:53 ` Simen Heggestøyl via Bug reports for GNU Emacs, the Swiss army knife of text editors
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