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+"============================================================================
+"File:        perl.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  Anthony Carapetis <anthony.carapetis at gmail dot com>,
+"             Eric Harmon <http://eharmon.net>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+"============================================================================
+"
+" Security:
+"
+" This checker runs 'perl -c' against your file, which in turn executes
+" any BEGIN, UNITCHECK, and CHECK blocks, and any use statements in
+" your file.  This is probably fine if you wrote the file yourself,
+" but it can be a problem if you're trying to check third party files.
+" If you are 100% willing to let Vim run the code in your file, set
+" g:syntastic_enable_perl_checker to 1 in your vimrc to enable this
+" checker:
+"
+"   let g:syntastic_enable_perl_checker = 1
+"
+" References:
+"
+" - http://perldoc.perl.org/perlrun.html#*-c*
+
+if exists('g:loaded_syntastic_perl_perl_checker')
+    finish
+endif
+let g:loaded_syntastic_perl_perl_checker = 1
+
+if !exists('g:syntastic_perl_lib_path')
+    let g:syntastic_perl_lib_path = []
+endif
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_perl_perl_IsAvailable() dict " {{{1
+    if !exists('g:syntastic_perl_perl_exec') && exists('g:syntastic_perl_interpreter')
+        let g:syntastic_perl_perl_exec = g:syntastic_perl_interpreter
+    endif
+
+    " don't call executable() here, to allow things like
+    " let g:syntastic_perl_interpreter='/usr/bin/env perl'
+    silent! call syntastic#util#system(self.getExecEscaped() . ' -e ' . syntastic#util#shescape('exit(0)'))
+    return v:shell_error == 0
+endfunction " }}}1
+
+function! SyntaxCheckers_perl_perl_GetLocList() dict " {{{1
+    if type(g:syntastic_perl_lib_path) == type('')
+        call syntastic#log#oneTimeWarn('variable g:syntastic_perl_lib_path should be a list')
+        let includes = split(g:syntastic_perl_lib_path, ',')
+    else
+        let includes = copy(syntastic#util#var('perl_lib_path'))
+    endif
+    let shebang = syntastic#util#parseShebang()
+    let extra = join(map(includes, '"-I" . v:val')) .
+        \ (index(shebang['args'], '-T') >= 0 ? ' -T' : '') .
+        \ (index(shebang['args'], '-t') >= 0 ? ' -t' : '')
+    let errorformat = '%f:%l:%m'
+
+    let makeprg = self.makeprgBuild({ 'args_before': '-c -X ' . extra })
+
+    let errors = SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'preprocess': 'perl',
+        \ 'defaults': {'type': 'E'} })
+    if !empty(errors)
+        return errors
+    endif
+
+    let makeprg = self.makeprgBuild({ 'args_before': '-c -Mwarnings ' . extra })
+
+    return SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'preprocess': 'perl',
+        \ 'defaults': {'type': 'W'} })
+endfunction " }}}1
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'perl',
+    \ 'name': 'perl',
+    \ 'enable': 'enable_perl_checker'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set sw=4 sts=4 et fdm=marker: