79 lines
2.4 KiB
VimL
79 lines
2.4 KiB
VimL
" Author: Sol Bekic https://github.com/s-ol
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" Description: luacheck linter for lua files
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call ale#Set('lua_luacheck_executable', 'luacheck')
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call ale#Set('lua_luacheck_options', '')
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function! s:IsInRuntimepath(buffer) abort
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let l:runtimepath_dirs = split(&runtimepath, ',')
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for l:dir in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
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for l:runtime_dir in l:runtimepath_dirs
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if l:dir is# l:runtime_dir
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return 1
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endif
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endfor
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endfor
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return 0
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endfunction
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function! ale_linters#lua#luacheck#GetCommand(buffer) abort
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let l:options = ale#Var(a:buffer, 'lua_luacheck_options')
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" Add `--globals vim` by default if the file is in runtimepath.
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if l:options !~# '--globals'
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let l:in_runtime = getbufvar(a:buffer, 'ale_in_runtimepath', v:null)
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if l:in_runtime is v:null
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let l:in_runtime = s:IsInRuntimepath(a:buffer)
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" Save the result of check this buffer so we only check once.
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call setbufvar(a:buffer, 'ale_in_runtimepath', l:in_runtime)
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endif
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if l:in_runtime
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if !empty(l:options)
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let l:options .= ' '
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endif
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let l:options .= '--globals vim'
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endif
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endif
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return '%e' . ale#Pad(l:options)
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\ . ' --formatter plain --codes --filename %s -'
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endfunction
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function! ale_linters#lua#luacheck#Handle(buffer, lines) abort
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" Matches patterns line the following:
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"
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" artal.lua:159:17: (W111) shadowing definition of loop variable 'i' on line 106
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" artal.lua:182:7: (W213) unused loop variable 'i'
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let l:pattern = '^.*:\(\d\+\):\(\d\+\): (\([WE]\)\(\d\+\)) \(.\+\)$'
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let l:output = []
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for l:match in ale#util#GetMatches(a:lines, l:pattern)
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if !ale#Var(a:buffer, 'warn_about_trailing_whitespace')
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\ && l:match[3] is# 'W'
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\ && index(range(611, 614), str2nr(l:match[4])) >= 0
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continue
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endif
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call add(l:output, {
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\ 'lnum': l:match[1] + 0,
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\ 'col': l:match[2] + 0,
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\ 'type': l:match[3],
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\ 'code': l:match[3] . l:match[4],
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\ 'text': l:match[5],
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\})
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endfor
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return l:output
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endfunction
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call ale#linter#Define('lua', {
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\ 'name': 'luacheck',
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\ 'executable': {b -> ale#Var(b, 'lua_luacheck_executable')},
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\ 'command': function('ale_linters#lua#luacheck#GetCommand'),
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\ 'callback': 'ale_linters#lua#luacheck#Handle',
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\})
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