Merge commit '76265755a1add77121c8f9dabb3e9bb70fe9a972' as '.vim/bundle/ale'

[etc/vim.git] / .vim / bundle / ale / ale_linters / erlang / elvis.vim

diff --git a/.vim/bundle/ale/ale_linters/erlang/elvis.vim b/.vim/bundle/ale/ale_linters/erlang/elvis.vim
new file mode 100644 (file)
index 0000000..321a6c7
--- /dev/null
+++ b/.vim/bundle/ale/ale_linters/erlang/elvis.vim
@@ -0,0 +1,59 @@
+" Author: Dmitri Vereshchagin <dmitri.vereshchagin@gmail.com>
+" Description: Elvis linter for Erlang files
+
+call ale#Set('erlang_elvis_executable', 'elvis')
+
+function! ale_linters#erlang#elvis#Handle(buffer, lines) abort
+    let l:pattern = '\v:(\d+):[^:]+:(.+)'
+    let l:loclist = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+        call add(l:loclist, {
+        \   'lnum': str2nr(l:match[1]),
+        \   'text': s:AbbreviateMessage(l:match[2]),
+        \   'type': 'W',
+        \   'sub_type': 'style',
+        \})
+    endfor
+
+    return l:loclist
+endfunction
+
+function! s:AbbreviateMessage(text) abort
+    let l:pattern = '\v\c^(line \d+ is too long):.*$'
+
+    return substitute(a:text, l:pattern, '\1.', '')
+endfunction
+
+function! s:GetCommand(buffer) abort
+    let l:cwd = s:GetCwd(a:buffer)
+
+    let l:file = !empty(l:cwd)
+    \   ? expand('#' . a:buffer . ':p')[len(l:cwd) + 1:]
+    \   : expand('#' . a:buffer . ':.')
+
+    return '%e rock --output-format=parsable ' . ale#Escape(l:file)
+endfunction
+
+function! s:GetCwd(buffer) abort
+    let l:markers = ['elvis.config', 'rebar.lock', 'erlang.mk']
+
+    for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
+        for l:marker in l:markers
+            if filereadable(l:path . '/' . l:marker)
+                return l:path
+            endif
+        endfor
+    endfor
+
+    return ''
+endfunction
+
+call ale#linter#Define('erlang', {
+\   'name': 'elvis',
+\   'callback': 'ale_linters#erlang#elvis#Handle',
+\   'executable': {b -> ale#Var(b, 'erlang_elvis_executable')},
+\   'command': function('s:GetCommand'),
+\   'cwd': function('s:GetCwd'),
+\   'lint_file': 1,
+\})