diff options
Diffstat (limited to 'autoload')
| -rw-r--r-- | autoload/ale.vim | 2 | ||||
| -rw-r--r-- | autoload/ale/handlers/shellcheck.vim | 107 |
2 files changed, 108 insertions, 1 deletions
diff --git a/autoload/ale.vim b/autoload/ale.vim index 01e17b15..6251b47b 100644 --- a/autoload/ale.vim +++ b/autoload/ale.vim @@ -163,7 +163,7 @@ function! ale#Queue(delay, ...) abort endif endfunction -let s:current_ale_version = [2, 6, 0] +let s:current_ale_version = [2, 7, 0] " A function used to check for ALE features in files outside of the project. function! ale#Has(feature) abort diff --git a/autoload/ale/handlers/shellcheck.vim b/autoload/ale/handlers/shellcheck.vim new file mode 100644 index 00000000..b16280f0 --- /dev/null +++ b/autoload/ale/handlers/shellcheck.vim @@ -0,0 +1,107 @@ +" Author: w0rp <devw0rp@gmail.com> +" Description: This file adds support for using the shellcheck linter + +function! ale#handlers#shellcheck#GetDialectArgument(buffer) abort + let l:shell_type = ale#handlers#sh#GetShellType(a:buffer) + + if !empty(l:shell_type) + " Use the dash dialect for /bin/ash, etc. + if l:shell_type is# 'ash' + return 'dash' + endif + + return l:shell_type + endif + + " If there's no hashbang, try using Vim's buffer variables. + if getbufvar(a:buffer, 'is_bash', 0) + return 'bash' + elseif getbufvar(a:buffer, 'is_sh', 0) + return 'sh' + elseif getbufvar(a:buffer, 'is_kornshell', 0) + return 'ksh' + endif + + return '' +endfunction + +function! ale#handlers#shellcheck#GetCommand(buffer, version) abort + let l:options = ale#Var(a:buffer, 'sh_shellcheck_options') + let l:exclude_option = ale#Var(a:buffer, 'sh_shellcheck_exclusions') + let l:dialect = ale#Var(a:buffer, 'sh_shellcheck_dialect') + let l:external_option = ale#semver#GTE(a:version, [0, 4, 0]) ? ' -x' : '' + let l:cd_string = ale#Var(a:buffer, 'sh_shellcheck_change_directory') + \ ? ale#path#BufferCdString(a:buffer) + \ : '' + + if l:dialect is# 'auto' + let l:dialect = ale#handlers#shellcheck#GetDialectArgument(a:buffer) + endif + + return l:cd_string + \ . '%e' + \ . (!empty(l:dialect) ? ' -s ' . l:dialect : '') + \ . (!empty(l:options) ? ' ' . l:options : '') + \ . (!empty(l:exclude_option) ? ' -e ' . l:exclude_option : '') + \ . l:external_option + \ . ' -f gcc -' +endfunction + +function! ale#handlers#shellcheck#Handle(buffer, lines) abort + let l:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):(\d+)?:? ([^:]+): (.+) \[([^\]]+)\]$' + let l:output = [] + + for l:match in ale#util#GetMatches(a:lines, l:pattern) + if l:match[4] is# 'error' + let l:type = 'E' + elseif l:match[4] is# 'note' + let l:type = 'I' + else + let l:type = 'W' + endif + + let l:item = { + \ 'lnum': str2nr(l:match[2]), + \ 'type': l:type, + \ 'text': l:match[5], + \ 'code': l:match[6], + \} + + if !empty(l:match[3]) + let l:item.col = str2nr(l:match[3]) + endif + + " If the filename is something like <stdin>, <nofile> or -, then + " this is an error for the file we checked. + if l:match[1] isnot# '-' && l:match[1][0] isnot# '<' + let l:item['filename'] = l:match[1] + endif + + call add(l:output, l:item) + endfor + + return l:output +endfunction + +function! ale#handlers#shellcheck#DefineLinter(filetype) abort + " This global variable can be set with a string of comma-separated error + " codes to exclude from shellcheck. For example: + " let g:ale_sh_shellcheck_exclusions = 'SC2002,SC2004' + call ale#Set('sh_shellcheck_exclusions', get(g:, 'ale_linters_sh_shellcheck_exclusions', '')) + call ale#Set('sh_shellcheck_executable', 'shellcheck') + call ale#Set('sh_shellcheck_dialect', 'auto') + call ale#Set('sh_shellcheck_options', '') + call ale#Set('sh_shellcheck_change_directory', 1) + + call ale#linter#Define(a:filetype, { + \ 'name': 'shellcheck', + \ 'executable': {buffer -> ale#Var(buffer, 'sh_shellcheck_executable')}, + \ 'command': {buffer -> ale#semver#RunWithVersionCheck( + \ buffer, + \ ale#Var(buffer, 'sh_shellcheck_executable'), + \ '%e --version', + \ function('ale#handlers#shellcheck#GetCommand'), + \ )}, + \ 'callback': 'ale#handlers#shellcheck#Handle', + \}) +endfunction |