Merge pull request #383 from alibabzo/add-nix-linter

Add support for nix linting
This commit is contained in:
w0rp 2017-03-06 18:33:00 +00:00 committed by GitHub
commit 70fb1606ad
4 changed files with 62 additions and 0 deletions

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@ -81,6 +81,7 @@ name. That seems to be the fairest way to arrange this table.
| Lua | [luacheck](https://github.com/mpeterv/luacheck) |
| Markdown | [mdl](https://github.com/mivok/markdownlint), [proselint](http://proselint.com/)|
| MATLAB | [mlint](https://www.mathworks.com/help/matlab/ref/mlint.html) |
| nix | [nix-instantiate](http://nixos.org/nix/manual/#sec-nix-instantiate) |
| nroff | [proselint](http://proselint.com/)|
| OCaml | [merlin](https://github.com/the-lambda-church/merlin) see `:help ale-integration-ocaml-merlin` for configuration instructions
| Perl | [perl -c](https://perl.org/), [perl-critic](https://metacpan.org/pod/Perl::Critic) |

34
ale_linters/nix/nix.vim Normal file
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@ -0,0 +1,34 @@
" Author: Alistair Bill <@alibabzo>
" Description: nix-instantiate linter for nix files
function! ale_linters#nix#nix#Handle(buffer, lines) abort
let l:pattern = '^\(.\+\): \(.\+\), at .*:\(\d\+\):\(\d\+\)$'
let l:output = []
for l:line in a:lines
let l:match = matchlist(l:line, l:pattern)
if len(l:match) == 0
continue
endif
call add(l:output, {
\ 'bufnr': a:buffer,
\ 'lnum': l:match[3] + 0,
\ 'col': l:match[4] + 0,
\ 'text': l:match[1] . ': ' . l:match[2],
\ 'type': l:match[1] =~# '^error' ? 'E' : 'W',
\})
endfor
return l:output
endfunction
call ale#linter#Define('nix', {
\ 'name': 'nix',
\ 'output_stream': 'stderr',
\ 'executable': 'nix-instantiate',
\ 'command': 'nix-instantiate --parse -',
\ 'callback': 'ale_linters#nix#nix#Handle',
\})

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@ -101,6 +101,7 @@ The following languages and tools are supported.
* Lua: 'luacheck'
* Markdown: 'mdl', 'proselint'
* MATLAB: 'mlint'
* nix: 'nix-instantiate'
* nroff: 'proselint'
* OCaml: 'merlin' (see |ale-linter-integration-ocaml-merlin|)
* Perl: 'perl' (-c flag), 'perlcritic'

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@ -0,0 +1,26 @@
Execute(The nix handler should parse nix-instantiate error messages correctly):
runtime ale_linters/nix/nix.vim
AssertEqual
\ [
\ {
\ 'bufnr': 47,
\ 'lnum': 23,
\ 'col': 14,
\ 'text': 'error: syntax error, unexpected IN',
\ 'type': 'E',
\ },
\ {
\ 'bufnr': 47,
\ 'lnum': 3,
\ 'col': 12,
\ 'text': 'error: syntax error, unexpected ''='', expecting '';''',
\ 'type': 'E',
\ },
\
\ ],
\ ale_linters#nix#nix#Handle(47, [
\ 'This line should be ignored',
\ 'error: syntax error, unexpected IN, at /path/to/filename.nix:23:14',
\ 'error: syntax error, unexpected ''='', expecting '';'', at /path/to/filename.nix:3:12',
\ ])