Questions tagged [common-lisp]
Editing Common Lisp code and working with inferior Common Lisp read-eval-print loops. Note that Emacs's Lisp dialect is not Common Lisp; for Emacs Lisp, use the tag [elisp].
40
questions
0
votes
0
answers
34
views
Display function signature in completion popup menu instead of status line with SLIME/SLY in Emacs
What the title says. I'd like the function signature for functions in Common Lisp to display next to the function name in the company-mode autocomplete popup menu instead of at the bottom of the ...
- 103
2
votes
4
answers
124
views
Reading Common Lisp Source Code Inside Emacs?
I think emacs is just brilliant. The help functionality with C-h is extremely useful.
Recently, I started coding in SB Common Lisp.
It would be very useful if I could search the definitions of ...
- 263
1
vote
1
answer
119
views
What's the purpose of `cl-lib` in emacs?
Why does emacs need the cl-lib Common Lisp compatibility? What is it used for?
- 11
0
votes
1
answer
42
views
How can I configure Slime to use case sensitive symbols?
In emacs lisp variables are not case sensitive, so if I define a variable x, I can access it using X, but I can modify the elisp behavior by (setq readtable-case :preserve), is there something similar ...
- 133
1
vote
1
answer
184
views
Does elisp have a way to jump to (goto) labels in the code, ala common lisp's go?
Does elisp have a way to jump to (goto) labels in the code, ala common lisp's go?
(tagbody
(setq val 2)
(go lp)
(incf val 3)
lp (incf val 4)) => NIL
val => 6
PS: This is a ...
- 738
1
vote
0
answers
90
views
What's the value in using a REPL for ELISP development? [closed]
What's the value in using a REPL? I've always wondered the advantages/disadvantages of using a REPL are (if there are any) as opposed to eval-print-last-sexp and then undoing the text printed (or ...
- 550
1
vote
0
answers
23
views
Is there a locate-library equivalent for Common Lisp files?
When editing Common Lisp code, is there an Emacs command that behaves like locate-library that would take a name and attempt to find the location for a Common Lisp file with that name?
Looking at ...
- 724
1
vote
1
answer
252
views
Syntax Highlighting of Common Lisp User-Defined Macros in Emacs
I would like to start writing a few simple Domain Specific Languages in Common Lisp and would like the names of macros I define to be highlighted as if they were Common Lisp functions or macros in ...
0
votes
1
answer
49
views
How do I change the default indentation of 'if' for Common Lisp and Scheme?
When I am using (setq lisp-indent-function 'common-lisp-indent-function), the ifs are indented like this:
(if x
y
z)
For Scheme, (setq lisp-indent-function 'scheme-indent-function) also ...
- 583
1
vote
1
answer
587
views
Company-yasnippet doesn't see yasnippet template in lisp
Config:
(use-package yasnippet
:ensure t
:hook
(prog-mode . yas-minor-mode)
)
(use-package yasnippet-snippets
:ensure t
:after yas)
(use-package common-lisp-snippets
:ensure t
:after ...
- 143
2
votes
1
answer
335
views
Adjusting indenting for lisp if statements
I am learning common lisp and am trying to follow the style guide suggested by lisp-lang.org. In this style guide is an if statement style that I think makes the code more readable:
(if (cond)
(...
- 123
4
votes
3
answers
209
views
idiomatic way to lexically scope variables in a cl-loop body
Here is some asynchronous code in a cl-loop:
;;; foo.el --- -*- lexical-binding: t; -*-
(let ((my-list '(a b c)))
(cl-loop for index below (length my-list)
...
- 867
1
vote
0
answers
122
views
Looking for something like cl-applicable-method-p
I am looking for something that could be used like this:
(when (cl-applicable-method-p 'foo "arg") ...)
I vaguely remember that I have seen that once and that it came with a comment saying that one ...
- 25.1k
18
votes
1
answer
4k
views
require 'cl or require 'cl-lib
In order to include Common Lisp compatibility I've seen both
(require 'cl)
and
(require 'cl-lib)
Which is correct? As I understand the cl-lib is the later of the two, but is it safe to use just ...
- 2,887
1
vote
1
answer
98
views
Unexpected indentation in backquoted list starting with comma function call
When I write a backquotedlist that starts with ,( emacs aligns the remaining items to the parenthesis and not to the comma; e.g.:
(defun kb-test1 ()
`(,(hello)
fdefef
,(fefesd)))
(...
1
vote
1
answer
642
views
Highlight labels/flet/macrolet definitions in lisp-mode
I found this solution (https://lists.gnu.org/archive/html/emacs-devel/2012-03/msg00322.html, fully cited below), but it isn't working as expected. It highlights only the first definition inside labels/...
- 113
5
votes
2
answers
207
views
How can I define new places for setf?
Q: how do I teach setf about new places it can set?
In common lisp, one uses the
macro defsetf to tell
setf about new places it can set.
In elisp, that macro exists in in the cl library, but, as far ...
Dan♦
- 32.3k
2
votes
1
answer
196
views
Why does this function stub not work using cl-letf?
I have written this simple function and I want to stub out the last functions so I don't actually launch a process.
(defun dc-test-stub-process (command &rest params)
(interactive)
(let ((...
- 563
7
votes
3
answers
1k
views
Is there an equivalent for defparameter on emacs-lisp?
I know we have defvar and setq. defvar has a special meaning on defining global variables because the assignment only happens once. So I was thinking about use setq to get the desired behavior of ...
- 665
6
votes
2
answers
2k
views
Why does Emacs indent my Lisp LOOP construct weirdly?
I'm using Emacs and SLIME to edit Lisp code.
By default, Emacs indents my Lisp LOOP constructs like this:
(loop for x across dna1
for y across dna2
count (not (eql x y)))
But I expect it to ...
- 165
0
votes
1
answer
240
views
Slime inspector customization (Common Lisp development)
Here follows Common Lisp code, using a datastore library named bknr.datastore
(ql:quickload :bknr.datastore)
(defclass userdata (bknr.datastore:store-object)
((email :initarg :email
:index-...
- 123
7
votes
2
answers
3k
views
`case` doesn't switch correctly with strings
I have the following code which doesn't work:
(eval-when-compile (require 'cl))
(setq mymachine (system-name))
(case mymachine
("HP" (setq package-user-dir (concat user-emacs-directory "packages/...
- 1,461
1
vote
1
answer
368
views
Error while trying to set a slot of a cl-struct
Using Emacs 25.1.50.1
To set the slot of a structure, I believe the elisp manual says to use setq along with the accessor function for the slot. Though I am having trouble.
The following code ...
- 949
10
votes
2
answers
840
views
cl-destructuring-bind on partial plist?
This causes an error
(cl-destructuring-bind
(&key a b)
'(:a "foo" :b 13 :c "bar")
(list a b))
because the :c key/value is not handled in the pattern match.
Often I find myself ...
- 1,730
2
votes
1
answer
968
views
How to use cl-labels?
I am trying to use cl-labels, but i have run into errors i do not understand. Here is elisp code i am using:
(defun nthelt (N ARRAY)
"Behaves like nth but for arrays"
(if (and (>= N 0)
...
- 479
0
votes
0
answers
260
views
Slime fuzzy completion not working correctly in TTY mode
I have Slime configured with fuzzy completion and it works perfectly when I'm using it in X11 mode (M-TAB, list of completions pops up in a separate buffer, C-n/p allows to choose the right completion,...
- 527
6
votes
2
answers
434
views
Why doesn't "complement" work as a function?
I'm trying to implement the complement function from Common Lisp (CL) in Emacs Lisp, but I'm confused by why defining it as a function (as opposed to a macro) does not work.
The macro definition is ...
- 3,840
3
votes
2
answers
1k
views
How to change Org-mode Babel lisp source code block from SLIME to SLY?
I found ob-lisp.el use SLIME by default to evaluate lisp code.
I want to use SLY to evaluate lisp code. How to change it?
I found the file ob-lisp.el is short. I tried to change slime to sly. But it ...
- 1,848
0
votes
1
answer
157
views
Direx not working, cl-call-next-method only inside primary and around methods
Setup:
GUI version GNU Emacs 25.0.50.1 (x86_64-w64-mingw32)
of 2015-07-25 on KAEL
Compiled from EmacsW64.
Direx, using the latest version of Direx from MELPA
Windows 7 x64 bit.
Situation:
I ...
- 3,855
3
votes
3
answers
1k
views
Good elisp tutorial for thorough Lisp understanding? [closed]
I've been in this catch-22 for a while now: I don't have time to learn Common Lisp first, then elisp, but I don't want to learn elisp without understanding the basic capabilities of Lisp. People have ...
- 2,887
7
votes
3
answers
3k
views
Is using cl-lib crucial for writing good Emacs Lisp code?
As a beginner I understand that including cl-lib will allow me to use some code from Common Lisp. However, whenever I see this included in elisp code I wonder again, Should I really start with Common ...
- 2,887
2
votes
1
answer
1k
views
Zip/Map functions ending when shortest list runs out
I wanted a function in the style of zip, but rather than stopping when one of the supplied lists runs out, I wanted it to continue using zip on the rest of the lists.
Looking around at a few Emacs ...
user2267
9
votes
2
answers
2k
views
Modifying the indentation of some Emacs Lisp forms
I would like some Emacs Lisp forms to be indented like Common Lisp. For instance, in Emacs Lisp, if is indented like this:
(if COND
THEN
ELSE)
whilst I would prefer it like this:
(if COND
...
- 1,418
6
votes
1
answer
776
views
writing emacs extensions in common lisp or other languages
Some years ago, I was working on a personal project that seemed to work best with Emacs as the user interface, and Common Lisp (SBCL) as the back-end. The accepted answer on How to use SLIME as a ...
- 1,786
4
votes
0
answers
316
views
Slime creates new window every time you interact with the debugger
While using slime+emacs, I'm having a problem when interacting with the debugger: every time that I choose one of the debugger's option, a new window pops up in Emacs.
For example, when evaluating:
(...
- 141
1
vote
1
answer
83
views
both keywordp and macrop then eval from a functionp
'Hope it won't bother my using defmacros named in the style of keywords (colon-prefixed, e.g., :set-this or :get-that): it apparently tricks ELisp from otherwise requiring quoted symbols (') or ...
- 101
1
vote
1
answer
541
views
How to set up Emacs with Clozure CL but without SLIME
I want to manually set up my own Emacs CL environment on Mac OS X 7 without the SLIME package i.e. it will only use Clozure CL.
To put it other way, I want to use the Emacs CL just like I use the "...
- 370
0
votes
0
answers
415
views
SBCL and Slime do strange things when I try to use Serapeum
I'm getting very strange behaviour when I try to C-c C-k the following code into the SLIME REPL running SBCL:
(eval-when (:compile-toplevel :load-toplevel :execute)
(ql:quickload "serapeum"))
(...
- 425
15
votes
1
answer
717
views
How to use SLIME as a proxy between Common Lisp program and Emacs Lisp?
I'm looking into doing the following: I have a program written in Common Lisp, which I want to be able to communicate with Emacs. The program deals with natural language parsing, so the things I'd ...
- 11.1k
4
votes
1
answer
379
views
Creating permanent fixed buffer for CLHS lookup
Suppose I open one window with a Common Lisp file in it, and a second window with SLIME REPL in it (using M-x slime or whatever). Now, doing C-c C-d h with point on a Common Lisp keyword brings up a ...
- 396