spacemacs/layers/+lang/idris/README.org

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#+TITLE: Idris layer
#+TAGS: general|layer|programming|pure
[[file:img/idris.png]]
* Table of Contents :TOC_5_gh:noexport:
- [[#description][Description]]
- [[#features][Features:]]
- [[#install][Install]]
- [[#layer][Layer]]
- [[#idris][Idris]]
- [[#key-bindings][Key bindings]]
- [[#shorthands][Shorthands]]
- [[#interactive-editing][Interactive editing]]
- [[#documentation][Documentation]]
- [[#repl][REPL]]
- [[#active-term-manipulations][Active term manipulations]]
- [[#build-system][Build system]]
* Description
This layer adds support for the [[https://www.idris-lang.org/][Idris]] language to Spacemacs.
** Features:
- Syntax highlighting
- Syntax checking via =flycheck=
- Integration of the =Idris= REPL
- Integration of the =Idris= build system
* Install
** Layer
To use this configuration layer, add it to your =~/.spacemacs=. You will need to
add =idris= to the existing =dotspacemacs-configuration-layers= list in this
file.
** Idris
Idris can be installed using =Haskell's cabal=:
#+BEGIN_SRC sh
cabal install idris
#+END_SRC
Binaries are also available for some platforms at
[[https://www.idris-lang.org/download/]]
* Key bindings
** Shorthands
Several (but not all) of the evil-leader shorthands that =idris-mode= provides
are reproduced under the local leader.
| Key binding | Description |
|-------------+---------------------------------------------------------------------------------|
| ~SPC m c~ | Case split the pattern variable under point, or make it into a case expression. |
| ~SPC m d~ | Create an initial pattern match clause for a type declaration. |
| ~SPC m l~ | Extract lemma from hole |
| ~SPC m p~ | Attempt to solve a metavariable automatically. |
| ~SPC m r~ | Load current buffer into Idris. |
| ~SPC m t~ | Get the type for the identifier under point. |
| ~SPC m w~ | Add a with block for the pattern-match clause under point. |
** Interactive editing
| Key binding | Description |
|-------------+--------------------------------------------------------------------------------------------|
| ~SPC m i a~ | Attempt to solve a metavariable automatically. |
| ~SPC m i c~ | Case split the pattern variable under point, or make it into a case expression. |
| ~SPC m i e~ | Extract a metavariable or provisional definition name to an explicit top level definition. |
| ~SPC m i m~ | Add missing pattern-match cases to an existing definition. |
| ~SPC m i r~ | Refine by name, without recursive proof search. |
| ~SPC m i s~ | Create an initial pattern match clause for a type declaration. |
| ~SPC m i w~ | Add a with block for the pattern-match clause under point. |
** Documentation
| Key binding | Description |
|-------------+-------------------------------------------------------|
| ~SPC m h a~ | Search the documentation for a string. |
| ~SPC m h d~ | Search the documentation for the name under point. |
| ~SPC m h s~ | Search the documentation regarding a particular type. |
| ~SPC m h t~ | Get the type for the identifier under point. |
** REPL
| Key binding | Description |
|-------------+----------------------------------------------------------------------------------------|
| ~SPC m s b~ | Load the current buffer into Idris. |
| ~SPC m s B~ | Load the current buffer into Idris and switch to REPL in insert state |
| ~SPC m s i~ | Start Idris inferior process |
| ~SPC m s n~ | Extend the region to be loaded one line at a time. |
| ~SPC m s N~ | Extend the region to be loaded one line at a time and switch to REPL in insert state |
| ~SPC m s p~ | Contract the region to be loaded one line at a time |
| ~SPC m s P~ | Contract the region to be loaded one line at a time and switch to REPL in insert state |
| ~SPC m s s~ | Switch to REPL buffer |
| ~SPC m s q~ | Quit the Idris process |
** Active term manipulations
| Key binding | Description |
|-------------+-----------------------------------------------|
| ~SPC m m c~ | Show the core language for the term at point. |
| ~SPC m m i~ | Show implicits for the term at point. |
| ~SPC m m h~ | Hide implicits for the term at point. |
| ~SPC m m n~ | Normalize the term at point. |
** Build system
| Key binding | Description |
|-------------+----------------------------------------------------------------------------|
| ~SPC m b c~ | Build the package. |
| ~SPC m b C~ | Clean the package, removing =.ibc= files |
| ~SPC m b i~ | Install the package to the user's repository, building first if necessary. |
| ~SPC m b p~ | Open package file. |
When inside a package file, you can insert a field with ~SPC m f~.