0ffef758ae
For ghc, it seemed that the conditional
```
if l:corrected_lines[-1] =~# ': error:$'
let l:line = substitute(l:line, '\v^\s+', ' ', '')
endif
```
was never being reached. It's actually better to unconditionally
collapse whitespace anyway and so I simply removed the conditional
check.
For hlint I added more information about the error. This changes the
reported error from `Error:` to something like:
` Error: Avoid lambda. Found: \ x -> foo x Why not: foo`
30 lines
903 B
VimL
30 lines
903 B
VimL
" Author: jparoz <jesse.paroz@gmail.com>
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" Description: hlint for Haskell files
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function! ale_linters#haskell#hlint#Handle(buffer, lines)
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let l:errors = json_decode(join(a:lines, ''))
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let l:output = []
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for l:error in l:errors
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" vcol is Needed to indicate that the column is a character.
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call add(l:output, {
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\ 'bufnr': a:buffer,
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\ 'lnum': l:error.startLine + 0,
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\ 'vcol': 0,
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\ 'col': l:error.startColumn + 0,
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\ 'text': l:error.severity . ': ' . l:error.hint . '. Found: ' . l:error.from . ' Why not: ' . l:error.to,
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\ 'type': l:error.severity ==# 'Error' ? 'E' : 'W',
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\})
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endfor
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return l:output
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endfunction
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call ale#linter#Define('haskell', {
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\ 'name': 'hlint',
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\ 'executable': 'hlint',
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\ 'command': 'hlint --color=never --json -',
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\ 'callback': 'ale_linters#haskell#hlint#Handle',
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\})
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