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+"============================================================================
+"File: lintr.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer: Jim Hester <james.f.hester at gmail dot com>
+"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 the code 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_r_lintr_checker to 1 in
+" your vimrc to enable this checker:
+"
+" let g:syntastic_enable_r_lintr_checker = 1
+
+if exists("g:loaded_syntastic_r_lintr_checker")
+ finish
+endif
+let g:loaded_syntastic_r_lintr_checker = 1
+
+if !exists('g:syntastic_r_lintr_linters')
+ let g:syntastic_r_lintr_linters = 'default_linters'
+endif
+
+if !exists('g:syntastic_r_lintr_cache')
+ let g:syntastic_r_lintr_cache = 'FALSE'
+endif
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_r_lintr_GetHighlightRegex(item)
+ let term = matchstr(a:item['text'], "\\m'\\zs[^']\\+\\ze'")
+ return term != '' ? '\V' . escape(term, '\') : ''
+endfunction
+
+function! SyntaxCheckers_r_lintr_IsAvailable() dict
+ if !executable(self.getExec())
+ return 0
+ endif
+ call system(self.getExecEscaped() . ' --slave --no-restore --no-save -e ' . syntastic#util#shescape('library(lintr)'))
+ return v:shell_error == 0
+endfunction
+
+function! SyntaxCheckers_r_lintr_GetLocList() dict
+ let setwd = syntastic#util#isRunningWindows() ? 'setwd("' . escape(getcwd(), '"\') . '"); ' : ''
+ let makeprg = self.getExecEscaped() . ' --slave --no-restore --no-save' .
+ \ ' -e ' . syntastic#util#shescape(setwd . 'suppressPackageStartupMessages(library(lintr)); ' .
+ \ 'lint(cache = ' . g:syntastic_r_lintr_cache . ', commandArgs(TRUE), ' . g:syntastic_r_lintr_linters . ')') .
+ \ ' --args ' . syntastic#util#shexpand('%')
+
+ let errorformat =
+ \ '%W%f:%l:%c: style: %m,' .
+ \ '%W%f:%l:%c: warning: %m,' .
+ \ '%E%f:%l:%c: error: %m,'
+
+ call self.setWantSort(1)
+
+ return SyntasticMake({
+ \ 'makeprg': makeprg,
+ \ 'errorformat': errorformat,
+ \ 'returns': [0] })
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+ \ 'filetype': 'r',
+ \ 'name': 'lintr',
+ \ 'exec': 'R',
+ \ 'enable': 'enable_r_lintr_checker'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set sw=4 sts=4 et fdm=marker: