83 lines
2.3 KiB
VimL
83 lines
2.3 KiB
VimL
" Author: w0rp <devw0rp@gmail.com>
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" Description: Lints sh files using bash -n
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if exists('g:loaded_ale_linters_sh_shell')
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finish
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endif
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let g:loaded_ale_linters_sh_shell = 1
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" This option can be changed to change the default shell when the shell
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" cannot be taken from the hashbang line.
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if !exists('g:ale_linters_sh_shell_default_shell')
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let g:ale_linters_sh_shell_default_shell = fnamemodify($SHELL, ':t')
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if g:ale_linters_sh_shell_default_shell ==# ''
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let g:ale_linters_sh_shell_default_shell = 'bash'
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endif
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endif
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function! ale_linters#sh#shell#GetExecutable(buffer)
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let banglines = getbufline(a:buffer, 1)
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" Take the shell executable from the hashbang, if we can.
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if len(banglines) == 1 && banglines[0] =~# '^#!'
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" Remove options like -e, etc.
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let line = substitute(banglines[0], '--\?[a-zA-Z0-9]\+', '', 'g')
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for possible_shell in ['bash', 'tcsh', 'csh', 'zsh', 'sh']
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if line =~# possible_shell . '\s*$'
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return possible_shell
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endif
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endfor
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endif
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return g:ale_linters_sh_shell_default_shell
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endfunction
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function! ale_linters#sh#shell#GetCommand(buffer)
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return ale_linters#sh#shell#GetExecutable(a:buffer) . ' -n'
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endfunction
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function! ale_linters#sh#shell#Handle(buffer, lines)
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" Matches patterns line the following:
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"
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" bash: line 13: syntax error near unexpected token `d'
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" sh: 11: Syntax error: "(" unexpected
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let pattern = '^[^:]\+: \%(\w\+ \|\)\(\d\+\): \(.\+\)'
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let output = []
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for line in a:lines
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let l:match = matchlist(line, pattern)
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if len(l:match) == 0
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continue
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endif
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let line = l:match[1] + 0
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let column = 1
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let text = l:match[2]
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let type = 'E'
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" vcol is Needed to indicate that the column is a character.
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call add(output, {
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\ 'bufnr': a:buffer,
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\ 'lnum': line,
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\ 'vcol': 0,
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\ 'col': column,
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\ 'text': text,
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\ 'type': type,
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\ 'nr': -1,
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\})
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endfor
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return output
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endfunction
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call ALEAddLinter('sh', {
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\ 'name': 'shell',
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\ 'output_stream': 'stderr',
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\ 'executable_callback': 'ale_linters#sh#shell#GetExecutable',
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\ 'command_callback': 'ale_linters#sh#shell#GetCommand',
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\ 'callback': 'ale_linters#sh#shell#Handle',
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\})
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