#+TITLE: Octave layer

#+TAGS: dsl|layer|programming

[[file:img/octave.png]]

* Table of Contents                     :TOC_5_gh:noexport:
- [[#description][Description]]
  - [[#features][Features:]]
- [[#install][Install]]
- [[#key-bindings][Key bindings]]
  - [[#inferior-repl-process][Inferior REPL process]]
  - [[#helpers][Helpers]]

* Description
This layer adds support for =GNU Octave= files to Spacemacs.

** Features:
- Syntax highlighting for =.m= files via [[https://www.gnu.org/software/emacs/manual/html_mono/octave-mode.html][octave-mode]].
- REPL support
- Support for directly running =Octave= scripts from Emacs.
- Integration with =Octaves= documentation search function.

* Install
Make sure that [[https://www.gnu.org/software/octave/][GNU Octave]] is installed and
in your PATH. For information about setting up $PATH, check out the
corresponding section in the FAQ (=SPC h SPC $PATH RET=).

To use this configuration layer, add it to your =~/.spacemacs=. You will need to
add =octave= to the existing =dotspacemacs-configuration-layers= list in this
file.

* Key bindings
** Inferior REPL process
Send code to inferior process with these commands:

| Key         | Description                           |
|-------------+---------------------------------------|
| ~SPC m '~   | start/switch to REPL inferior process |
| ~SPC m s i~ |                                       |
| ~SPC m s b~ | send buffer                           |
| ~SPC m s f~ | send function                         |
| ~SPC m s l~ | send line                             |
| ~SPC m s r~ | send region                           |

** Helpers

| Key binding | Description                              |
|-------------+------------------------------------------|
| ~SPC m h h~ | view documentation for function at point |
| ~SPC m h i~ | read octave info documentation           |