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Diffstat (limited to '')
| -rw-r--r-- | indent/erlang.vim | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/indent/erlang.vim b/indent/erlang.vim new file mode 100644 index 00000000..370a8810 --- /dev/null +++ b/indent/erlang.vim @@ -0,0 +1,58 @@ +" Vim indent file +" Language: Erlang +" Author: Ricardo Catalinas Jiménez <jimenezrick@gmail.com> +" License: Vim license +" Version: 2013/09/11 + +if !exists('g:erlang_force_use_vimerl_indent') + let g:erlang_force_use_vimerl_indent = 0 +endif + +if exists('b:did_indent') || (v:version >= 704 && !g:erlang_force_use_vimerl_indent) + finish +else + let b:did_indent = 1 +endif + +setlocal indentexpr=ErlangIndent() +setlocal indentkeys=!^F,o,O,=),=},=],=>>,=of,=catch,=after,=end + +if exists('*ErlangIndent') + finish +endif + +let s:erlang_indent_file = expand('<sfile>:p:h') . '/erlang_indent.erl' +if filewritable(expand('<sfile>:p:h')) == 2 + let s:in_fifo = expand('<sfile>:p:h') . '/vimerl_in_fifo.' . getpid() + let s:out_fifo = expand('<sfile>:p:h') . '/vimerl_out_fifo.' . getpid() +else + let s:in_fifo = '/tmp/vimerl_in_fifo.' . getpid() + let s:out_fifo = '/tmp/vimerl_out_fifo.' . getpid() +endif + +execute 'silent !mkfifo' s:in_fifo +execute 'silent !mkfifo' s:out_fifo +execute 'silent !' . s:erlang_indent_file s:out_fifo s:in_fifo '&' + +autocmd VimLeave * call <SID>StopIndenter() + +function s:StopIndenter() + call writefile([], s:out_fifo) + call delete(s:in_fifo) + call delete(s:out_fifo) +endfunction + +function ErlangIndent() + if v:lnum == 1 + return 0 + else + call writefile([v:lnum] + getline(1, v:lnum), s:out_fifo) + let indent = split(readfile(s:in_fifo)[0]) + + if len(indent) == 1 || !&expandtab + return indent[0] * &shiftwidth + else + return indent[1] + endif + endif +endfunction |