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if has_key(g:polyglot_is_disabled, 'erlang')
finish
endif
" Vim ftplugin file
" Language: Erlang
" Maintainer: Csaba Hoch <csaba.hoch@gmail.com>
" Author: Oscar Hellström <oscar@oscarh.net>
" Contributors: Ricardo Catalinas Jiménez <jimenezrick@gmail.com>
" Eduardo Lopez (http://github.com/tapichu)
" Arvid Bjurklint (http://github.com/slarwise)
" License: Vim license
" Version: 2012/01/25
if exists('b:did_ftplugin')
finish
endif
let b:did_ftplugin = 1
let s:cpo_save = &cpo
set cpo&vim
let &l:keywordprg = get(g:, 'erlang_keywordprg', 'erl -man')
if get(g:, 'erlang_folding', 0)
setlocal foldmethod=expr
setlocal foldexpr=GetErlangFold(v:lnum)
setlocal foldtext=ErlangFoldText()
endif
setlocal comments=:%%%,:%%,:%
setlocal commentstring=%%s
setlocal formatoptions+=ro
setlocal suffixesadd=.erl,.hrl
let &l:include = '^\s*-\%(include\|include_lib\)\s*("\zs\f*\ze")'
let &l:define = '^\s*-\%(define\|record\|type\|opaque\)'
let s:erlang_fun_begin = '^\a\w*(.*$'
let s:erlang_fun_end = '^[^%]*\.\s*\(%.*\)\?$'
if !exists('*GetErlangFold')
function GetErlangFold(lnum)
let lnum = a:lnum
let line = getline(lnum)
if line =~ s:erlang_fun_end
return '<1'
endif
if line =~ s:erlang_fun_begin && foldlevel(lnum - 1) == 1
return '1'
endif
if line =~ s:erlang_fun_begin
return '>1'
endif
return '='
endfunction
endif
if !exists('*ErlangFoldText')
function ErlangFoldText()
let line = getline(v:foldstart)
let foldlen = v:foldend - v:foldstart + 1
let lines = ' ' . foldlen . ' lines: ' . substitute(line, "[\ \t]*", '', '')
if foldlen < 10
let lines = ' ' . lines
endif
let retval = '+' . v:folddashes . lines
return retval
endfunction
endif
let b:undo_ftplugin = "setlocal keywordprg< foldmethod< foldexpr< foldtext<"
\ . " comments< commentstring< formatoptions< suffixesadd< include<"
\ . " define<"
let &cpo = s:cpo_save
unlet s:cpo_save
" vim: sw=2 et
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