Racket layer
Table of ContentsClose
1. Description
Adds support for the Racket programming language.
1.1. Features:
- Syntax highlighting with
racket-mode
- Test runner
- Interactive REPL
- Code navigation with
gtags
- Structurally safe editing using optional evil-cleverparens
2. Install
To use this configuration layer, add it to your ~/.spacemacs
. You will need to
add racket
to the existing dotspacemacs-configuration-layers
list in this
file. You will also need DrRacket installed. Alternatively, one can use the
"Minimal Racket" installation, and then run the following command.
raco pkg install drracket
3. Structurally safe editing
This layer adds support for evil-cleverparens
which allows to safely edit
lisp code by keeping the s-expressions balanced.
By default this mode is not activated. You can turn it on locally on the
active buffer with SPC m T s
(s
for safe).
To turn it on automatically for all racket
buffers call the following
function in your dotspacemacs/user-config
function:
(spacemacs/toggle-evil-safe-lisp-structural-editing-on-register-hook-racket-mode)
or to enable it for all supported modes:
(spacemacs/toggle-evil-safe-lisp-structural-editing-on-register-hooks)
When enabled the symbol 🆂
should be displayed in the mode-line.
4. Key bindings
4.2. Documentation
Key binding | Description |
---|---|
SPC m h d |
Describes the function at point in a Racket Describe buffer |
SPC m h h |
View documentation of the identifier or string at point. |
4.3. Tests
Key binding | Description |
---|---|
SPC m t b |
Run tests of buffer |
SPC m t B |
Run tests of buffer with coverage |
4.4. REPL
Key binding | Description |
---|---|
SPC m s b |
Send buffer to REPL |
SPC m s B |
Send buffer to REPL and switch to REPL buffer in insert state |
SPC m s e |
Send last sexp to REPL |
SPC m s E |
Send last sexp to REPL and switch to REPL in insert state |
SPC m s f |
Send function at point to REPL |
SPC m s F |
Send function at point and switch to REPL in insert state |
SPC m s i |
Start a REPL or switch to REPL buffer |
SPC m s r |
Send region to REPL |
SPC m s R |
Send region to REPL and switch to REPL in insert state |
SPC m s s |
Show and switch to REPL buffer |
4.5. Other key bindings
Key binding | Description |
---|---|
SPC m i l |
Insert lambda character |
H-r |
Run current file and open REPL (H is hyper, may be bound to command on macOS) |