ale/ale_linters/erlang/dialyzer.vim

98 lines
3.1 KiB
VimL

" Author: Autoine Gagne - https://github.com/AntoineGagne
" Description: Define a checker that runs dialyzer on Erlang files.
let g:ale_erlang_dialyzer_executable =
\ get(g:, 'ale_erlang_dialyzer_executable', 'dialyzer')
let g:ale_erlang_dialyzer_options =
\ get(g:, 'ale_erlang_dialyzer_options', '-Wunmatched_returns'
\ . ' -Werror_handling'
\ . ' -Wrace_conditions'
\ . ' -Wunderspecs')
let g:ale_erlang_dialyzer_plt_file =
\ get(g:, 'ale_erlang_dialyzer_plt_file', '')
let g:ale_erlang_dialyzer_rebar3_profile =
\ get(g:, 'ale_erlang_dialyzer_rebar3_profile', 'default')
function! ale_linters#erlang#dialyzer#GetRebar3Profile(buffer) abort
return ale#Var(a:buffer, 'erlang_dialyzer_rebar3_profile')
endfunction
function! ale_linters#erlang#dialyzer#FindPlt(buffer) abort
let l:plt_file = ''
let l:rebar3_profile = ale_linters#erlang#dialyzer#GetRebar3Profile(a:buffer)
let l:plt_file_directory = ale#path#FindNearestDirectory(a:buffer, '_build/' . l:rebar3_profile)
if !empty(l:plt_file_directory)
let l:plt_file = globpath(l:plt_file_directory, '*_plt', 0, 1)
endif
if !empty(l:plt_file)
return l:plt_file[0]
endif
if !empty($REBAR_PLT_DIR)
return expand('$REBAR_PLT_DIR/dialyzer/plt')
endif
return expand('$HOME/.dialyzer_plt')
endfunction
function! ale_linters#erlang#dialyzer#GetPlt(buffer) abort
let l:plt_file = ale#Var(a:buffer, 'erlang_dialyzer_plt_file')
if !empty(l:plt_file)
return l:plt_file
endif
return ale_linters#erlang#dialyzer#FindPlt(a:buffer)
endfunction
function! ale_linters#erlang#dialyzer#GetExecutable(buffer) abort
return ale#Var(a:buffer, 'erlang_dialyzer_executable')
endfunction
function! ale_linters#erlang#dialyzer#GetCommand(buffer) abort
let l:options = ale#Var(a:buffer, 'erlang_dialyzer_options')
let l:command = ale#Escape(ale_linters#erlang#dialyzer#GetExecutable(a:buffer))
\ . ' -n'
\ . ' --plt ' . ale#Escape(ale_linters#erlang#dialyzer#GetPlt(a:buffer))
\ . ' ' . l:options
\ . ' %s'
return l:command
endfunction
function! ale_linters#erlang#dialyzer#Handle(buffer, lines) abort
" Match patterns like the following:
"
" erl_tidy_prv_fmt.erl:3: Callback info about the provider behaviour is not available
let l:pattern = '^\S\+:\(\d\+\): \(.\+\)$'
let l:output = []
for l:line in a:lines
let l:match = matchlist(l:line, l:pattern)
if len(l:match) != 0
let l:code = l:match[2]
call add(l:output, {
\ 'lnum': str2nr(l:match[1]),
\ 'lcol': 0,
\ 'text': l:code,
\ 'type': 'W'
\})
endif
endfor
return l:output
endfunction
call ale#linter#Define('erlang', {
\ 'name': 'dialyzer',
\ 'executable': function('ale_linters#erlang#dialyzer#GetExecutable'),
\ 'command': function('ale_linters#erlang#dialyzer#GetCommand'),
\ 'callback': function('ale_linters#erlang#dialyzer#Handle'),
\ 'lint_file': 1
\})