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" Authors: Klaas Pieter Annema <https://github.com/klaaspieter>, bosr <bosr@bosr.cc>
" Description: Support for swift-format https://github.com/apple/swift-format
function! ale_linters#swift#appleswiftformat#GetLinterCommand(buffer) abort
let l:command_args = ale#swift#GetAppleSwiftFormatCommand(a:buffer) . ' lint %t'
let l:config_args = ale#swift#GetAppleSwiftFormatConfigArgs(a:buffer)
if l:config_args isnot# ''
let l:command_args = l:command_args . ' ' . l:config_args
endif
return l:command_args
endfunction
function! ale_linters#swift#appleswiftformat#Handle(buffer, lines) abort
" Matches the typical output of swift-format, that is lines of the following pattern:
"
" Sources/main.swift:4:21: warning: [DoNotUseSemicolons] remove ';' and move the next statement to the new line
" Sources/main.swift:3:12: warning: [Spacing] remove 1 space
let l:pattern = '\v^.*:(\d+):(\d+): (\S+): \[(\S+)\] (.*)$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
call add(l:output, {
\ 'lnum': l:match[1] + 0,
\ 'col': l:match[2] + 0,
\ 'type': l:match[3] is# 'error' ? 'E' : 'W',
\ 'code': l:match[4],
\ 'text': l:match[5],
\})
endfor
return l:output
endfunction
call ale#linter#Define('swift', {
\ 'name': 'apple-swift-format',
\ 'executable': function('ale#swift#GetAppleSwiftFormatExecutable'),
\ 'command': function('ale_linters#swift#appleswiftformat#GetLinterCommand'),
\ 'output_stream': 'stderr',
\ 'language': 'swift',
\ 'callback': 'ale_linters#swift#appleswiftformat#Handle'
\})
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