59 lines
1.4 KiB
VimL
59 lines
1.4 KiB
VimL
" Vim indent file
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" Language: Erlang
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" Author: Ricardo Catalinas Jiménez <jimenezrick@gmail.com>
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" License: Vim license
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" Version: 2013/09/11
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if !exists('g:erlang_force_use_vimerl_indent')
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let g:erlang_force_use_vimerl_indent = 0
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endif
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if exists('b:did_indent') || (v:version >= 704 && !g:erlang_force_use_vimerl_indent)
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finish
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else
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let b:did_indent = 1
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endif
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setlocal indentexpr=ErlangIndent()
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setlocal indentkeys=!^F,o,O,=),=},=],=>>,=of,=catch,=after,=end
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if exists('*ErlangIndent')
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finish
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endif
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let s:erlang_indent_file = expand('<sfile>:p:h') . '/erlang_indent.erl'
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if filewritable(expand('<sfile>:p:h')) == 2
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let s:in_fifo = expand('<sfile>:p:h') . '/vimerl_in_fifo.' . getpid()
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let s:out_fifo = expand('<sfile>:p:h') . '/vimerl_out_fifo.' . getpid()
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else
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let s:in_fifo = '/tmp/vimerl_in_fifo.' . getpid()
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let s:out_fifo = '/tmp/vimerl_out_fifo.' . getpid()
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endif
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execute 'silent !mkfifo' s:in_fifo
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execute 'silent !mkfifo' s:out_fifo
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execute 'silent !' . s:erlang_indent_file s:out_fifo s:in_fifo '&'
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autocmd VimLeave * call <SID>StopIndenter()
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function s:StopIndenter()
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call writefile([], s:out_fifo)
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call delete(s:in_fifo)
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call delete(s:out_fifo)
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endfunction
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function ErlangIndent()
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if v:lnum == 1
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return 0
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else
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call writefile([v:lnum] + getline(1, v:lnum), s:out_fifo)
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let indent = split(readfile(s:in_fifo)[0])
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if len(indent) == 1 || !&expandtab
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return indent[0] * &shiftwidth
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else
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return indent[1]
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endif
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endif
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endfunction
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