130 lines
5 KiB
VimL
130 lines
5 KiB
VimL
" Author: buffalocoder - https://github.com/buffalocoder, soywod - https://github.com/soywod
|
|
" Description: Elm linting in Ale. Closely follows the Syntastic checker in https://github.com/ElmCast/elm-vim.
|
|
|
|
call ale#Set('elm_make_executable', 'elm')
|
|
call ale#Set('elm_make_use_global', get(g:, 'ale_use_global_executables', 0))
|
|
|
|
function! ale_linters#elm#make#GetExecutable(buffer) abort
|
|
return ale#node#FindExecutable(a:buffer, 'elm_make', [
|
|
\ 'node_modules/.bin/elm',
|
|
\])
|
|
endfunction
|
|
|
|
function! ale_linters#elm#make#Handle(buffer, lines) abort
|
|
let l:output = []
|
|
let l:unparsed_lines = []
|
|
|
|
for l:line in a:lines
|
|
if l:line[0] is# '{'
|
|
let l:report = json_decode(l:line)
|
|
|
|
if l:report.type is? 'error'
|
|
" General problem
|
|
let l:details = map(copy(l:report.message), 'ale_linters#elm#make#ParseMessageItem(v:val)')
|
|
|
|
call add(l:output, {
|
|
\ 'lnum': 1,
|
|
\ 'type': 'E',
|
|
\ 'text': l:report.title,
|
|
\ 'detail': join(l:details, '')
|
|
\})
|
|
else
|
|
" Compilation errors
|
|
for l:error in l:report.errors
|
|
let l:file_is_buffer = ale_linters#elm#make#FileIsBuffer(l:error.path)
|
|
|
|
for l:problem in l:error.problems
|
|
let l:details = map(copy(l:problem.message), 'ale_linters#elm#make#ParseMessageItem(v:val)')
|
|
|
|
if l:file_is_buffer
|
|
" Buffer module has problems
|
|
call add(l:output, {
|
|
\ 'lnum': l:problem.region.start.line,
|
|
\ 'col': l:problem.region.start.column,
|
|
\ 'end_lnum': l:problem.region.end.line,
|
|
\ 'end_col': l:problem.region.end.column,
|
|
\ 'type': 'E',
|
|
\ 'text': l:problem.title,
|
|
\ 'detail': join(l:details, '')
|
|
\})
|
|
else
|
|
" Imported module has problems
|
|
let l:location = l:error.path .':'. l:problem.region.start.line
|
|
call add(l:output, {
|
|
\ 'lnum': 1,
|
|
\ 'type': 'E',
|
|
\ 'text': l:location .' - '. l:problem.title,
|
|
\ 'detail': l:location ." -------\n\n" . join(l:details, '')
|
|
\})
|
|
endif
|
|
endfor
|
|
endfor
|
|
endif
|
|
else
|
|
call add(l:unparsed_lines, l:line)
|
|
endif
|
|
endfor
|
|
|
|
if len(l:unparsed_lines) > 0
|
|
call add(l:output, {
|
|
\ 'lnum': 1,
|
|
\ 'type': 'E',
|
|
\ 'text': l:unparsed_lines[0],
|
|
\ 'detail': join(l:unparsed_lines, "\n")
|
|
\})
|
|
endif
|
|
|
|
return l:output
|
|
endfunction
|
|
|
|
function! ale_linters#elm#make#FileIsBuffer(path) abort
|
|
let l:is_windows = has('win32')
|
|
let l:temp_dir = l:is_windows ? $TMP : $TMPDIR
|
|
|
|
if has('win32')
|
|
return a:path[0:len(l:temp_dir) - 1] is? l:temp_dir
|
|
else
|
|
return a:path[0:len(l:temp_dir) - 1] is# l:temp_dir
|
|
endif
|
|
endfunction
|
|
|
|
function! ale_linters#elm#make#ParseMessageItem(item) abort
|
|
if type(a:item) == type('')
|
|
return a:item
|
|
else
|
|
return a:item.string
|
|
endif
|
|
endfunction
|
|
|
|
" Return the command to execute the linter in the projects directory.
|
|
" If it doesn't, then this will fail when imports are needed.
|
|
function! ale_linters#elm#make#GetCommand(buffer) abort
|
|
let l:elm_json = ale#path#FindNearestFile(a:buffer, 'elm.json')
|
|
let l:elm_exe = ale_linters#elm#make#GetExecutable(a:buffer)
|
|
|
|
if empty(l:elm_json)
|
|
let l:dir_set_cmd = ''
|
|
else
|
|
let l:root_dir = fnamemodify(l:elm_json, ':p:h')
|
|
let l:dir_set_cmd = 'cd ' . ale#Escape(l:root_dir) . ' && '
|
|
endif
|
|
|
|
" The elm compiler, at the time of this writing, uses '/dev/null' as
|
|
" a sort of flag to tell the compiler not to generate an output file,
|
|
" which is why this is hard coded here.
|
|
" Source: https://github.com/elm-lang/elm-compiler/blob/19d5a769b30ec0b2fc4475985abb4cd94cd1d6c3/builder/src/Generate/Output.hs#L253
|
|
let l:elm_cmd = ale#Escape(l:elm_exe)
|
|
\ . ' make'
|
|
\ . ' --report=json'
|
|
\ . ' --output=/dev/null'
|
|
|
|
return l:dir_set_cmd . ' ' . l:elm_cmd . ' %t'
|
|
endfunction
|
|
|
|
call ale#linter#Define('elm', {
|
|
\ 'name': 'make',
|
|
\ 'executable_callback': 'ale_linters#elm#make#GetExecutable',
|
|
\ 'output_stream': 'both',
|
|
\ 'command_callback': 'ale_linters#elm#make#GetCommand',
|
|
\ 'callback': 'ale_linters#elm#make#Handle'
|
|
\})
|