Questions tagged [advice]
is for the Elisp advice feature that changes an existing definition of a function in a way that lets you undo the change easily. This tag applies to both old and new advice features. The old advice feature uses `defadvice`. The new advice feature uses functions and macros such as `advice-add` and `add-function`.
97
questions
0
votes
2
answers
42
views
How do you handle an error in the scope of current-buffer with condition-case?
I would like to create headings and subheadings with org-capture if they don't exist
with file+olp in my templates. The problem is that I get this message Heading not found on level 1.
I'm not sure ...
- 15
1
vote
1
answer
72
views
How to override a function in a function only in that function?
I used (advice-add 'yas-new-snippet :override 'my/yas-new-snippet ) but I was wondering if there was something like this which would allow me to override a function in a function only in that function:...
- 141
0
votes
0
answers
14
views
Can the display of describe-function, describe-variable be advised or tracked in some way?
I want to link additional topics to the search terms by adding links to the answer if the item is linked with other related terms.
For instance if I do a search for the function symbol, I want intern, ...
- 1,317
0
votes
2
answers
18
views
Save before running tests? (Prepend function?)
How can I prepend a function call in Elisp?
E.g. I have a key binding (C-c C-c C-t) that runs some tests (command rustic-cargo-test) and it always asks me if I want to save - I'd like to run (save-...
- 21
3
votes
0
answers
36
views
How to advise a CL method?
I am familiar with setting advice on a function:
(advice-add 'some-tag :before 'function-being-advised
(lambda (arg)
(message "In advice with arg: %s" arg)))
How do you advise a ...
- 475
0
votes
0
answers
33
views
How can I advise a cl-defgeneric method?
There's a bug in eglot.el where initialisation options aren't handled, so I can't set the initialisation parameters for a given server; that is causing me problems because the language server I'm ...
0
votes
1
answer
27
views
`ido-find-file` always trigger `ido-reread-directory`
Tried following this answer, but did not work on Emacs27
(defadvice ido-find-file (before auto-refresh-ido nil activate)
(setq ido-rescan t))
Also tried but did not work because when ido-reread-...
- 231
6
votes
1
answer
854
views
Is there a "switch to buffer" hook?
I'm running emacs 26.3. I want to run a hook every time I switch to a buffer. However, I have not been able to find any kind of "buffer switch hook".
If I want to always run a function when ...
- 582
1
vote
2
answers
206
views
Using defadvice to add an interactive argument to a non-interactive function?
Is there a way to wrap a non-interactive function within defadvice so that the new function can accept an interactive argument which can alter the way that the wrapped function gets called?
In other ...
- 582
1
vote
1
answer
154
views
redefine a function as wrapper for the old definition
I am trying to modify a package by redefining a function in it. However, I would like to call the original definition in the new definition. (kind of like extending a constructor in a subclass now ...
- 137
4
votes
1
answer
71
views
Adding a function call after a builtin runs
I always want to run reposition-window after c-beginning-of-defun.
I've tried this:
(advice-add 'c-beginning-of-defun :after #'reposition-window)
it results in this at execution:
Variable binding ...
- 489
5
votes
1
answer
121
views
How to suppress `Wrote /home/user/.emacs.d/recentf` message in minibuffer
In the minibuffer I keep seeing:
Wrote /home/user/.emacs.d/recentf
Would it be possible to suppress this message? (Only for file name recentf file)
my minimal.el:
(setq recentf-max-saved-items 50)
(...
- 1,164
0
votes
1
answer
36
views
How to prevent copy-directory from choking on Unix socket files?
I need to copy a directory tree that holds Unix socket files somewhere inside. As Unix sockets cannot be copied, when I use copy-directory, the copy-file function used by copy-directory throws an ...
- 724
0
votes
1
answer
76
views
ESS: start R in current directory conflicts with ivy-mode
I use ivy-mode for completion. I don't usually want to see the dot files ("./" and "../") when selecting files/directories, so I've set (setq ivy-extra-directories nil). I also ...
- 21.5k
0
votes
0
answers
61
views
How to properly advise macros used by functions if earlier byte-compilation is present?
I am trying to customize the looks of org-agenda and, in order to do so, I would like to advice the macro org-agenda--insert-overriding-header; this macro appears to be used in several functions. ...
- 95
4
votes
2
answers
155
views
How do I use an advice to change the definition of goto-char within a function?
Suppose a third-party plugin contains the following function:
(defun example-function ()
(interactive)
;; ... do many things ...
(goto-char (point-max))
;; ... do many things ...
(goto-char (...
- 583
0
votes
1
answer
138
views
What does "Making browse-url-browser-function local to *eww* while let-bound!" mean?
I am using SLIME (which includes hyperspec.el). I wanted to view the HyperSpec using Emacs' EWW instead of the desktop web browser (e.g. Firefox, Chromium, etc.). To do this, I added an advice to set ...
- 583
0
votes
1
answer
306
views
does advice :around always have to pass a list of args?
I'm new to elisp, and I'm struggling to figure out how to do advice. I got my code working, but I'm not sure why.
This is from a real problem that I had digging into markdown mode to add an extra ...
- 137
3
votes
1
answer
77
views
Why advice won't work if the function is called from another compiled function?
Let's consider a minimal example, I take org-narrow-to-subtree as a compiled function, under the hood it calls narrow-to-region, I add simple advice to it:
(defun bark (START END) (message "Bark!&...
1
vote
1
answer
60
views
Prevent dired recenter buffer when reverting buffer
When a directory contains many files, more than the visible lines of the window, use end-of-buffer to go to end of buffer, then press g to revert-buffer, one can see the last line is recentered to the ...
- 431
0
votes
0
answers
38
views
How do I stop checkdoc from flagging header/footer in org-src-edit buffers?
When editing Emacs Lisp source blocks in org-mode via org-src-edit, if flycheck is enabled (which I'd like to keep that way) checkdoc rather annoyingly remarks that I'm missing headers and footers and ...
0
votes
2
answers
461
views
Add-advice :before org-edit-special
I want to advise org-edit-special so that a function runs before Emacs enters org-src-mode. I am not particularly tied to org-edit-special. If there is a hook like org-src-mode-hook (but that triggers ...
- 1,847
1
vote
2
answers
211
views
Help with function advice: Unknown add-function location ‘asm-calculate-indentation’
I'm trying to modify how asm-mode does its automatic indentation.
I thought I would use the following:
(defun yasm-calculate-indentation (oldfun)
"Add the formatting for a few other keywords I like....
- 25
1
vote
1
answer
414
views
Creating a local advice for a function
I want to slightly modify the behaviour of a function, old-function whose source I cannot modify.
I can do that simply by
(defun my-new-function (old-fn a b c)
(if (evaluate-my-condition)
(...
- 1,569
0
votes
3
answers
75
views
Convert old advise ad-set-arg to new advice
How would I convert the following old style advice to a new style advice?
(setq python--pdb-breakpoint-string "import pdb; pdb.set_trace()")
(defadvice compile (before ad-compile-smart activate)
"...
- 4,267
1
vote
0
answers
51
views
Get time since last keystroke
I would like to know how many seconds have passed since the last keystroke (or character that showed up in the screen, whatever is easier).
Is there a timer that is associated to self-insert-command? ...
- 1,760
1
vote
1
answer
74
views
Byte compilation still happening when `no-byte-compile` is t on adding advice
In org-mode, I have the following:
#+BEGIN_SRC emacs-lisp :results scalar
(setq no-byte-compile t)
(defun f ())
(defun g ())
(add-function :before (symbol-function 'f) 'g)
(symbol-function 'f)
#+...
- 639
3
votes
1
answer
232
views
How to add a locally override the message function?
I would like to add a suffix to a message reported by a function called in some source I don't maintain.
Is there a way to locally override the message function so I can manipulate it before it's ...
- 8,207
3
votes
1
answer
142
views
How does one "extend" an existing function?
What I want to do: have the function evil-delete do one more task after its usual code. (I'm presuming that evil-delete is the underlying workhorse that is called by evil-delete-line and about five ...
- 133
2
votes
1
answer
343
views
Can "advice-add ... :filter-args" detect if the advised function was called interactively?
Using advice-add from nadvice.el, I am trying to add a :filter-args advice to an interactive function. Is it somehow possible for it to detect, whether the advised function has been called ...
- 1,541
0
votes
2
answers
168
views
Unusual behavior when overriding `calculate-lisp-indent'
I've modified calculate-lisp-indent as a better solution to the indentation questions here, here and here. By "modified" I mean I overrode the function with advice. After doing this when I restarted ...
- 1,383
1
vote
0
answers
37
views
Why doesn't the window begin and end update after `outline-show-all`?
I'm using this test code.
(defun +outline~show-all (orig-fn &rest args)
"Show all."
(let ((beg1 (window-start))
(end1 (window-end))
(beg2) (end2))
(apply orig-fn args)
...
- 1,383
5
votes
2
answers
2k
views
define-advice vs advice-add vs other (?)
Can someone explain and show the right/preferred way of advising functions in Emacs these days.
Official documentation says to use advice-add, but I've seen people using define-advice and I checked, ...
- 1,193
6
votes
1
answer
662
views
How to automatically kill a shell buffer when the shell process exits
In shell-mode when you exit the shell process (e.g. by typing exit) the buffer still hangs around (with the message "Process shell<1> finished").
How can I automatically kill the shell buffer when ...
- 1,195
3
votes
1
answer
373
views
Rewriting `defadvice' as `advice-add' makes advice ineffective
I am trying to make undo-tree auto compress the history save file. The document suggests adding the following advice
(defadvice undo-tree-make-history-save-file-name
(after undo-tree activate)
(...
- 665
2
votes
1
answer
171
views
"void-variable" error when adding advice to `kill-ring-save`
I am trying to add an advice to kill-ring-save and kill-region, so that when I call them with no active regions, instead of throwing an error, the line the point is currently on would be marked ...
- 665
1
vote
2
answers
95
views
advice-add FOR function dired-do-copy
I got a problem for an advice-add inside Dired's copy function (dired-do-copy).
My object is it to filter all marked files/directories in Dired, which should be copied to an other location within ...
- 11
0
votes
1
answer
62
views
Hooking on to abbreviation expansion
I don't know exactly how abbrev-mode works, but I suppose certain
keys --spaces and stops-- cause an examination of the word before
point, and a replacement of it in some cases. My question is how ...
- 3,114
0
votes
2
answers
523
views
Adding advice to interactive functions
I want to add advice to `describe-function'. However, when I try to do so, I get an error due to wrong number of arguments. Function:
(defun describe-function-advice (function) ...
- 1,243
1
vote
1
answer
95
views
Using an advice to set default parameters in a interactive function
I'm not sure if this is possible or if there's a workaround for it, but I want M-x erc to set the password after I try to call it, but before I input the actual parameters.
What I originally had in ...
- 115
2
votes
1
answer
166
views
Using advice to run function before tag symbol lookup
I use xref-find-definition to look up the definition of a symbol name. When I call xref-find-definition, I want to Emacs to automatically find and load an appropriately named etags file. For this ...
- 171
0
votes
1
answer
145
views
How to write this advice for inject code into let-binding?
I want to write an advice on original code. But don't know how to write it in my case.
I just did some modification, and do an diff. Hope the you can understand what I need.
Here is the diff ...
- 1,848
1
vote
0
answers
91
views
advise around org-add-note behaves differnt in Windows and macOS
I have the following in my init.el file:
(defun my::with-no-drawer (func &rest args)
(interactive "P")
(let ((org-log-into-drawer (car args)))
(funcall-interactively func args)))
...
- 51
9
votes
2
answers
1k
views
List advice for functions
I had a look over the weekend, and I cannot see an easy way to check whether a function is advised.
I must be missing something.
HELP! :)
- 1,243
1
vote
2
answers
396
views
Adding advice to an autoloaded function
I want to add advice to an alias to a function in an internal elisp package at work, gating the logic on a variable.
Both the function and the alias is marked autoload.
Conceptually:
;;;###autoload ...
- 1,243
3
votes
1
answer
773
views
buffer-local advice
I am trying to create a buffer local advice to run some code when a minor mode is disabled. I looked through the documentation for add-function and saw this
If PLACE is a symbol, its `default-value' ...
- 819
3
votes
1
answer
96
views
Should the sharp quote should be used for the first argument of advice-add?
... when a symbol referencing a function is actually used?
Documentation states:
Like ‘add-function’ but for the function named SYMBOL.
Contrary to ‘add-function’, this will properly handle the ...
- 222
0
votes
1
answer
271
views
Error when trying to advice python-shell-send-string
I'm trying to write advice such that each time I eval a python snippet, it automatically output the exception time in the emacs python shell
(defun python-send-with-time-record (orig-func string &...
- 431
1
vote
1
answer
48
views
Creating a new function based off exisiting one
I apologize if this is a duplicate, but the essence of the question is whether it is possible to create "around" advice for an existing function and bind that to a new one.
In my case, I'm trying to ...
- 68
3
votes
0
answers
416
views
How to set the colors for pdf-tools annotations individually?
I would like to be able to set the annotation colors to be different (e.g. strike-out "black" while keeping highlight "yellow"). I asked about this as an issue at the github page for pdftools and was ...
- 719