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ale/ale_linters/swift/swiftformat.vim
2020-04-29 14:33:13 +02:00

62 lines
2.1 KiB
VimL

" Author: Klaas Pieter Annema <https://github.com/klaaspieter>
" Description: Support for swift-format https://github.com/apple/swift-format
let s:default_executable = 'swift-format'
call ale#Set('swift_swiftformat_executable', s:default_executable)
function! ale_linters#swift#swiftformat#UseSwift(buffer) abort
let l:swift_config = ale#path#FindNearestFile(a:buffer, 'Package.swift')
let l:executable = ale#Var(a:buffer, 'swift_swiftformat_executable')
return !empty(l:swift_config) && l:executable is# s:default_executable
endfunction
function! ale_linters#swift#swiftformat#GetExecutable(buffer) abort
if ale_linters#swift#swiftformat#UseSwift(a:buffer)
return 'swift'
endif
return ale#Var(a:buffer, 'swift_swiftformat_executable')
endfunction
function! ale_linters#swift#swiftformat#GetCommand(buffer) abort
let l:executable = ale_linters#swift#swiftformat#GetExecutable(a:buffer)
let l:args = '--mode lint %t'
if ale_linters#swift#swiftformat#UseSwift(a:buffer)
let l:args = 'run swift-format' . ' ' . l:args
endif
return ale#Escape(l:executable) . ' ' . l:args
endfunction
function! ale_linters#swift#swiftformat#Handle(buffer, lines) abort
" Matches 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': 'swift-format',
\ 'executable': function('ale_linters#swift#swiftformat#GetExecutable'),
\ 'command': function('ale_linters#swift#swiftformat#GetCommand'),
\ 'output_stream': 'stderr',
\ 'language': 'swift',
\ 'callback': 'ale_linters#swift#swiftformat#Handle'
\})