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make.vim
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make.vim
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" Author: buffalocoder - https://github.com/buffalocoder, soywod - https://github.com/soywod, hecrj - https://github.com/hecrj
" 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#Handle(buffer, lines) abort
let l:output = []
let l:unparsed_lines = []
for l:line in a:lines
if l:line[0] is# '{'
" Elm 0.19
call ale_linters#elm#make#HandleElm019Line(l:line, l:output)
elseif l:line[0] is# '['
" Elm 0.18
call ale_linters#elm#make#HandleElm018Line(l:line, l:output)
elseif l:line isnot# 'Successfully generated /dev/null'
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#HandleElm019Line(line, output) abort
let l:report = json_decode(a:line)
if l:report.type is? 'error'
" General problem
let l:details = ale_linters#elm#make#ParseMessage(l:report.message)
if empty(l:report.path)
let l:report.path = 'Elm'
endif
if ale_linters#elm#make#FileIsBuffer(l:report.path)
call add(a:output, {
\ 'lnum': 1,
\ 'type': 'E',
\ 'text': l:details,
\})
else
call add(a:output, {
\ 'lnum': 1,
\ 'type': 'E',
\ 'text': l:report.path .' - '. l:details,
\ 'detail': l:report.path ." ----------\n\n". l:details,
\})
endif
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 = ale_linters#elm#make#ParseMessage(l:problem.message)
if l:file_is_buffer
" Buffer module has problems
call add(a: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:details,
\})
else
" Imported module has problems
let l:location = l:error.path .':'. l:problem.region.start.line
call add(a:output, {
\ 'lnum': 1,
\ 'type': 'E',
\ 'text': l:location .' - '. l:details,
\ 'detail': l:location ." ----------\n\n". l:details,
\})
endif
endfor
endfor
endif
endfunction
function! ale_linters#elm#make#HandleElm018Line(line, output) abort
let l:errors = json_decode(a:line)
for l:error in l:errors
let l:file_is_buffer = ale_linters#elm#make#FileIsBuffer(l:error.file)
if l:file_is_buffer
" Current buffer has problems
call add(a:output, {
\ 'lnum': l:error.region.start.line,
\ 'col': l:error.region.start.column,
\ 'end_lnum': l:error.region.end.line,
\ 'end_col': l:error.region.end.column,
\ 'type': (l:error.type is? 'error') ? 'E' : 'W',
\ 'text': l:error.overview,
\ 'detail': l:error.overview . "\n\n" . l:error.details
\})
elseif l:error.type is? 'error'
" Imported module has errors
let l:location = l:error.file .':'. l:error.region.start.line
call add(a:output, {
\ 'lnum': 1,
\ 'type': 'E',
\ 'text': l:location .' - '. l:error.overview,
\ 'detail': l:location ." ----------\n\n". l:error.overview . "\n\n" . l:error.details
\})
endif
endfor
endfunction
function! ale_linters#elm#make#FileIsBuffer(path) abort
return ale#path#IsTempName(a:path)
endfunction
function! ale_linters#elm#make#ParseMessage(message) abort
return join(map(copy(a:message), 'ale_linters#elm#make#ParseMessageItem(v:val)'), '')
endfunction
function! ale_linters#elm#make#ParseMessageItem(item) abort
if type(a:item) is v:t_string
return a:item
else
return a:item.string
endif
endfunction
function! ale_linters#elm#make#GetPackageFile(buffer) abort
let l:elm_json = ale#path#FindNearestFile(a:buffer, 'elm.json')
if empty(l:elm_json)
" Fallback to Elm 0.18
let l:elm_json = ale#path#FindNearestFile(a:buffer, 'elm-package.json')
endif
return l:elm_json
endfunction
function! ale_linters#elm#make#IsVersionGte19(buffer) abort
let l:elm_json = ale_linters#elm#make#GetPackageFile(a:buffer)
if l:elm_json =~# '-package'
return 0
else
return 1
endif
endfunction
function! ale_linters#elm#make#GetRootDir(buffer) abort
let l:elm_json = ale_linters#elm#make#GetPackageFile(a:buffer)
if empty(l:elm_json)
return ''
else
return fnamemodify(l:elm_json, ':p:h')
endif
endfunction
function! ale_linters#elm#make#IsTest(buffer) abort
let l:root_dir = ale_linters#elm#make#GetRootDir(a:buffer)
if empty(l:root_dir)
return 0
endif
let l:tests_dir = join([l:root_dir, 'tests', ''], has('win32') ? '\' : '/')
let l:buffer_path = fnamemodify(bufname(a:buffer), ':p')
if stridx(l:buffer_path, l:tests_dir) == 0
return 1
else
return 0
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:executable = ale_linters#elm#make#GetExecutable(a:buffer)
let l:root_dir = ale_linters#elm#make#GetRootDir(a:buffer)
let l:is_v19 = ale_linters#elm#make#IsVersionGte19(a:buffer)
let l:is_using_elm_test = l:executable =~# 'elm-test$'
if empty(l:root_dir)
let l:dir_set_cmd = ''
else
let l:dir_set_cmd = 'cd ' . ale#Escape(l:root_dir) . ' && '
endif
" elm-test needs to know the path of elm-make if elm isn't installed globally.
" https://github.com/rtfeldman/node-test-runner/blob/57728f10668f2d2ab3179e7e3208bcfa9a1f19aa/README.md#--compiler
if l:is_v19 && l:is_using_elm_test
let l:elm_make_executable = ale#node#FindExecutable(a:buffer, 'elm_make', ['node_modules/.bin/elm'])
let l:elm_test_compiler_flag = ' --compiler ' . l:elm_make_executable . ' '
else
let l:elm_test_compiler_flag = ' '
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
return l:dir_set_cmd . '%e make --report=json --output=/dev/null' . l:elm_test_compiler_flag . '%t'
endfunction
function! ale_linters#elm#make#GetExecutable(buffer) abort
let l:is_test = ale_linters#elm#make#IsTest(a:buffer)
let l:is_v19 = ale_linters#elm#make#IsVersionGte19(a:buffer)
if l:is_test && l:is_v19
return ale#node#FindExecutable(
\ a:buffer,
\ 'elm_make',
\ ['node_modules/.bin/elm-test', 'node_modules/.bin/elm']
\)
else
return ale#node#FindExecutable(a:buffer, 'elm_make', ['node_modules/.bin/elm'])
endif
endfunction
call ale#linter#Define('elm', {
\ 'name': 'make',
\ 'executable': function('ale_linters#elm#make#GetExecutable'),
\ 'output_stream': 'both',
\ 'command': function('ale_linters#elm#make#GetCommand'),
\ 'callback': 'ale_linters#elm#make#Handle'
\})