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" Author: Jake Zimmerman <jake@zimmerman.io>
" Description: Shared functions for SML linters
" The glob to use for finding the .cm file.
"
" See :help ale-sml-smlnj for more information.
call ale#Set('sml_smlnj_cm_file', '*.cm')
function! ale#handlers#sml#GetCmFile(buffer) abort
let l:pattern = ale#Var(a:buffer, 'sml_smlnj_cm_file')
let l:as_list = 1
let l:cmfile = ''
for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
let l:results = glob(l:path . '/' . l:pattern, 0, l:as_list)
if len(l:results) > 0
" If there is more than one CM file, we take the first one
" See :help ale-sml-smlnj for how to configure this.
let l:cmfile = l:results[0]
endif
endfor
return l:cmfile
endfunction
" Only one of smlnj or smlnj-cm can be enabled at a time.
function! s:GetExecutable(buffer, source) abort
if ale#handlers#sml#GetCmFile(a:buffer) is# ''
" No CM file found; only allow single-file mode to be enabled
if a:source is# 'smlnj-file'
return 'sml'
elseif a:source is# 'smlnj-cm'
return ''
endif
else
" Found a CM file; only allow cm-file mode to be enabled
if a:source is# 'smlnj-file'
return ''
elseif a:source is# 'smlnj-cm'
return 'sml'
endif
endif
endfunction
function! ale#handlers#sml#GetExecutableSmlnjCm(buffer) abort
return s:GetExecutable(a:buffer, 'smlnj-cm')
endfunction
function! ale#handlers#sml#GetExecutableSmlnjFile(buffer) abort
return s:GetExecutable(a:buffer, 'smlnj-file')
endfunction
function! ale#handlers#sml#Handle(buffer, lines) abort
" Try to match basic sml errors
" TODO(jez) We can get better errorfmt strings from Syntastic
let l:out = []
let l:pattern = '^\(.*\)\:\([0-9\.]\+\)\ \(\w\+\)\:\ \(.*\)'
let l:pattern2 = '^\(.*\)\:\([0-9]\+\)\.\?\([0-9]\+\).* \(\(Warning\|Error\): .*\)'
for l:line in a:lines
let l:match2 = matchlist(l:line, l:pattern2)
if len(l:match2) != 0
call add(l:out, {
\ 'filename': l:match2[1],
\ 'lnum': l:match2[2] + 0,
\ 'col' : l:match2[3] - 1,
\ 'text': l:match2[4],
\ 'type': l:match2[4] =~# '^Warning' ? 'W' : 'E',
\})
continue
endif
let l:match = matchlist(l:line, l:pattern)
if len(l:match) != 0
call add(l:out, {
\ 'filename': l:match[1],
\ 'lnum': l:match[2] + 0,
\ 'text': l:match[3] . ': ' . l:match[4],
\ 'type': l:match[3] is# 'error' ? 'E' : 'W',
\})
continue
endif
endfor
return l:out
endfunction
" vim:ts=4:sts=4:sw=4
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