ale/ale_linters/terraform/tflint.vim

105 lines
3.2 KiB
VimL

" Author: Nat Williams <nat.williams@gmail.com>
" Description: tflint for Terraform files
"
" See: https://www.terraform.io/
" https://github.com/wata727/tflint
call ale#Set('terraform_tflint_options', '')
call ale#Set('terraform_tflint_executable', 'tflint')
function! ale_linters#terraform#tflint#Handle(buffer, lines) abort
let l:output = []
let l:pattern = '\v^(.*):(\d+),(\d+)-(\d+)?,?(\d+): (.{-1,}); (.+)$'
let l:json = ale#util#FuzzyJSONDecode(a:lines, {})
" This is a rough test for tflint's output format
" On versions prior to 0.11 it outputs all errors as a single level list
if type(l:json) is v:t_list
for l:error in l:json
if l:error.type is# 'ERROR'
let l:type = 'E'
elseif l:error.type is# 'NOTICE'
let l:type = 'I'
else
let l:type = 'W'
endif
call add(l:output, {
\ 'lnum': l:error.line,
\ 'text': l:error.message,
\ 'type': l:type,
\ 'code': l:error.detector,
\})
endfor
else
for l:error in get(l:json, 'errors', [])
for l:match in ale#util#GetMatches(l:error.message, [l:pattern])
if l:match[4] is# ''
let l:match[4] = l:match[2]
endif
call add(l:output, {
\ 'filename': l:match[1],
\ 'lnum': str2nr(l:match[2]),
\ 'col': str2nr(l:match[3]),
\ 'end_lnum': str2nr(l:match[4]),
\ 'end_col': str2nr(l:match[5]),
\ 'text': l:match[7],
\ 'code': l:match[6],
\ 'type': 'E',
\})
endfor
endfor
for l:error in get(l:json, 'issues', [])
if l:error.rule.severity is# 'ERROR'
let l:type = 'E'
elseif l:error.rule.severity is# 'NOTICE'
let l:type = 'I'
else
let l:type = 'W'
endif
call add(l:output, {
\ 'filename': l:error.range.filename,
\ 'lnum': l:error.range.start.line,
\ 'col': l:error.range.start.column,
\ 'end_lnum': l:error.range.end.line,
\ 'end_col': l:error.range.end.column,
\ 'text': l:error.message,
\ 'code': l:error.rule.name,
\ 'type': l:type,
\})
endfor
endif
return l:output
endfunction
function! ale_linters#terraform#tflint#GetCommand(buffer) abort
let l:cmd = '%e'
let l:config_file = ale#path#FindNearestFile(a:buffer, '.tflint.hcl')
if !empty(l:config_file)
let l:cmd .= ' --config ' . ale#Escape(l:config_file)
endif
let l:opts = ale#Var(a:buffer, 'terraform_tflint_options')
if !empty(l:opts)
let l:cmd .= ' ' . l:opts
endif
let l:cmd .= ' -f json %t'
return l:cmd
endfunction
call ale#linter#Define('terraform', {
\ 'name': 'tflint',
\ 'executable': {b -> ale#Var(b, 'terraform_tflint_executable')},
\ 'command': function('ale_linters#terraform#tflint#GetCommand'),
\ 'callback': 'ale_linters#terraform#tflint#Handle',
\})