58 lines
1.6 KiB
VimL
58 lines
1.6 KiB
VimL
" Author: Harrison Bachrach - https://github.com/HarrisonB
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" Description: Ameba, a linter for crystal files
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call ale#Set('crystal_ameba_executable', 'bin/ameba')
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function! ale_linters#crystal#ameba#GetCommand(buffer) abort
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let l:executable = ale#Var(a:buffer, 'crystal_ameba_executable')
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return ale#Escape(l:executable)
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\ . ' --format json '
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\ . ale#Escape(expand('#' . a:buffer . ':p'))
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endfunction
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" Handle output from ameba
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function! ale_linters#crystal#ameba#HandleAmebaOutput(buffer, lines) abort
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if len(a:lines) == 0
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return []
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endif
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let l:errors = ale#util#FuzzyJSONDecode(a:lines[0], {})
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if !has_key(l:errors, 'summary')
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\|| l:errors['summary']['issues_count'] == 0
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\|| empty(l:errors['sources'])
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return []
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endif
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let l:output = []
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for l:error in l:errors['sources'][0]['issues']
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let l:start_col = str2nr(l:error['location']['column'])
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let l:end_col = str2nr(l:error['end_location']['column'])
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if !l:end_col
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let l:end_col = l:start_col + 1
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endif
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call add(l:output, {
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\ 'lnum': str2nr(l:error['location']['line']),
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\ 'col': l:start_col,
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\ 'end_col': l:end_col,
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\ 'code': l:error['rule_name'],
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\ 'text': l:error['message'],
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\ 'type': '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('crystal', {
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\ 'name': 'ameba',
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\ 'executable': {b -> ale#Var(b, 'crystal_ameba_executable')},
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\ 'command': function('ale_linters#crystal#ameba#GetCommand'),
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\ 'callback': 'ale_linters#crystal#ameba#HandleAmebaOutput',
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\ 'lint_file': 1,
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\})
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