456 lines
14 KiB
VimL
456 lines
14 KiB
VimL
"============================================================================
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"File: syntastic.vim
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"Description: Vim plugin for on the fly syntax checking.
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"Version: 3.0.0
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"Released On: 13 April, 2013
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"License: This program is free software. It comes without any warranty,
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" to the extent permitted by applicable law. You can redistribute
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" it and/or modify it under the terms of the Do What The Fuck You
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" Want To Public License, Version 2, as published by Sam Hocevar.
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" See http://sam.zoy.org/wtfpl/COPYING for more details.
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"
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"============================================================================
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if exists("g:loaded_syntastic_plugin")
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finish
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endif
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let g:loaded_syntastic_plugin = 1
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runtime! plugin/syntastic/*.vim
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let s:running_windows = has("win16") || has("win32")
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if !exists("g:syntastic_always_populate_loc_list")
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let g:syntastic_always_populate_loc_list = 0
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endif
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if !exists("g:syntastic_auto_jump")
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let g:syntastic_auto_jump = 0
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endif
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if !exists("g:syntastic_quiet_warnings")
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let g:syntastic_quiet_warnings = 0
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endif
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if !exists("g:syntastic_stl_format")
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let g:syntastic_stl_format = '[Syntax: line:%F (%t)]'
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endif
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if !exists("g:syntastic_check_on_open")
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let g:syntastic_check_on_open = 0
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endif
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if !exists("g:syntastic_check_on_wq")
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let g:syntastic_check_on_wq = 1
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endif
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if !exists("g:syntastic_aggregate_errors")
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let g:syntastic_aggregate_errors = 0
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endif
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if !exists("g:syntastic_loc_list_height")
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let g:syntastic_loc_list_height = 10
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endif
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if !exists("g:syntastic_ignore_files")
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let g:syntastic_ignore_files = []
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endif
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if !exists("g:syntastic_filetype_map")
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let g:syntastic_filetype_map = {}
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endif
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if !exists("g:syntastic_full_redraws")
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let g:syntastic_full_redraws = !( has('gui_running') || has('gui_macvim'))
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endif
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" TODO: not documented
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if !exists("g:syntastic_reuse_loc_lists")
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" a relevant bug has been fixed in one of the pre-releases of Vim 7.4
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let g:syntastic_reuse_loc_lists = (v:version >= 704)
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endif
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let s:registry = g:SyntasticRegistry.Instance()
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let s:notifiers = g:SyntasticNotifiers.Instance()
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let s:modemap = g:SyntasticModeMap.Instance()
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function! s:CompleteCheckerName(argLead, cmdLine, cursorPos)
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let checker_names = []
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for ft in s:CurrentFiletypes()
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for checker in s:registry.availableCheckersFor(ft)
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call add(checker_names, checker.getName())
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endfor
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endfor
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return join(checker_names, "\n")
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endfunction
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command! SyntasticToggleMode call s:ToggleMode()
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command! -nargs=? -complete=custom,s:CompleteCheckerName SyntasticCheck call s:UpdateErrors(0, <f-args>) <bar> call s:Redraw()
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command! Errors call s:ShowLocList()
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command! SyntasticInfo call s:registry.echoInfoFor(s:CurrentFiletypes())
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command! SyntasticReset call s:ClearCache() | call s:notifiers.refresh(g:SyntasticLoclist.New([]))
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highlight link SyntasticError SpellBad
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highlight link SyntasticWarning SpellCap
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augroup syntastic
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autocmd BufReadPost * if g:syntastic_check_on_open | call s:UpdateErrors(1) | endif
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autocmd BufWritePost * call s:UpdateErrors(1)
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autocmd BufWinEnter * call s:BufWinEnterHook()
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" TODO: the next autocmd should be "autocmd BufWinLeave * if empty(&bt) | lclose | endif"
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" but in recent versions of Vim lclose can no longer be called from BufWinLeave
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autocmd BufEnter * call s:BufEnterHook()
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augroup END
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if v:version > 703 || (v:version == 703 && has('patch544'))
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" QuitPre was added in Vim 7.3.544
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augroup syntastic
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autocmd QuitPre * call s:QuitPreHook()
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augroup END
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endif
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function! s:BufWinEnterHook()
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if empty(&bt)
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let loclist = g:SyntasticLoclist.current()
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call s:notifiers.refresh(loclist)
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endif
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endfunction
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function! s:BufEnterHook()
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" TODO: at this point there is no b:syntastic_loclist
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let loclist = filter(getloclist(0), 'v:val["valid"] == 1')
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let buffers = syntastic#util#unique(map( loclist, 'v:val["bufnr"]' ))
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if &bt=='quickfix' && !empty(loclist) && empty(filter( buffers, 'syntastic#util#bufIsActive(v:val)' ))
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call g:SyntasticLoclistHide()
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endif
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endfunction
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function! s:QuitPreHook()
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let b:syntastic_skip_checks = !g:syntastic_check_on_wq
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call g:SyntasticLoclistHide()
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endfunction
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"refresh and redraw all the error info for this buf when saving or reading
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function! s:UpdateErrors(auto_invoked, ...)
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if s:SkipFile()
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return
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endif
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let run_checks = !a:auto_invoked || s:modemap.allowsAutoChecking(&filetype)
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if run_checks
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if a:0 >= 1
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call s:CacheErrors(a:1)
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else
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call s:CacheErrors()
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endif
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end
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let loclist = g:SyntasticLoclist.current()
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let w:syntastic_loclist_set = 0
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if g:syntastic_always_populate_loc_list || g:syntastic_auto_jump
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call setloclist(0, loclist.filteredRaw())
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let w:syntastic_loclist_set = 1
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if run_checks && g:syntastic_auto_jump && loclist.hasErrorsOrWarningsToDisplay()
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silent! lrewind
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endif
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endif
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call s:notifiers.refresh(loclist)
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endfunction
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"clear the loc list for the buffer
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function! s:ClearCache()
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call s:notifiers.reset(g:SyntasticLoclist.current())
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unlet! b:syntastic_loclist
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endfunction
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function! s:CurrentFiletypes()
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return split(&filetype, '\.')
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endfunction
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"detect and cache all syntax errors in this buffer
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function! s:CacheErrors(...)
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call s:ClearCache()
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let newLoclist = g:SyntasticLoclist.New([])
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if !s:SkipFile()
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let active_checkers = 0
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let names = []
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call syntastic#util#debug("CacheErrors: g:syntastic_aggregate_errors = " . g:syntastic_aggregate_errors)
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if exists('b:syntastic_aggregate_errors')
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call syntastic#util#debug("CacheErrors: b:syntastic_aggregate_errors = " . b:syntastic_aggregate_errors)
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endif
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for ft in s:CurrentFiletypes()
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if a:0
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let checker = s:registry.getChecker(ft, a:1)
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let checkers = !empty(checker) ? [checker] : []
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else
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let checkers = s:registry.getActiveCheckers(ft)
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endif
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for checker in checkers
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let active_checkers += 1
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call syntastic#util#debug("CacheErrors: Invoking checker: " . checker.getName())
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let loclist = checker.getLocList()
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if !loclist.isEmpty()
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let newLoclist = newLoclist.extend(loclist)
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call add(names, [checker.getName(), checker.getFiletype()])
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if !(exists('b:syntastic_aggregate_errors') ? b:syntastic_aggregate_errors : g:syntastic_aggregate_errors)
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break
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endif
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endif
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endfor
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endfor
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if !empty(names)
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if len(syntastic#util#unique(map(copy(names), 'v:val[1]'))) == 1
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let type = names[0][1]
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let name = join(map(names, 'v:val[0]'), ', ')
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call newLoclist.setName( name . ' ('. type . ')' )
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else
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" checkers from mixed types
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call newLoclist.setName(join(map(names, 'v:val[1] . "/" . v:val[0]'), ', '))
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endif
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endif
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if !active_checkers
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if a:0
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call syntastic#util#warn('checker ' . a:1 . ' is not active for filetype ' . &filetype)
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else
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call syntastic#util#debug('no active checkers for filetype ' . &filetype)
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endif
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endif
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endif
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let b:syntastic_loclist = newLoclist
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endfunction
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function! s:ToggleMode()
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call s:modemap.toggleMode()
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call s:ClearCache()
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call s:UpdateErrors(1)
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call s:modemap.echoMode()
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endfunction
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"display the cached errors for this buf in the location list
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function! s:ShowLocList()
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let loclist = g:SyntasticLoclist.current()
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call loclist.show()
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endfunction
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"the script changes &shellredir and &shell to stop the screen flicking when
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"shelling out to syntax checkers. Not all OSs support the hacks though
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function! s:OSSupportsShellredirHack()
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return !s:running_windows && executable('/bin/bash') && (s:uname() !~ "FreeBSD") && (s:uname() !~ "OpenBSD")
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endfunction
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function! s:IsRedrawRequiredAfterMake()
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return !s:running_windows && (s:uname() =~ "FreeBSD" || s:uname() =~ "OpenBSD")
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endfunction
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"Redraw in a way that doesnt make the screen flicker or leave anomalies behind.
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"
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"Some terminal versions of vim require `redraw!` - otherwise there can be
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"random anomalies left behind.
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"
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"However, on some versions of gvim using `redraw!` causes the screen to
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"flicker - so use redraw.
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function! s:Redraw()
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if g:syntastic_full_redraws
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redraw!
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else
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redraw
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endif
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endfunction
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function! s:IgnoreFile(filename)
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let fname = fnamemodify(a:filename, ':p')
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for p in g:syntastic_ignore_files
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if fname =~# p
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return 1
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endif
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endfor
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return 0
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endfunction
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" Skip running in special buffers
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function! s:SkipFile()
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let force_skip = exists('b:syntastic_skip_checks') ? b:syntastic_skip_checks : 0
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let fname = expand('%')
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return force_skip || !empty(&buftype) || !filereadable(fname) || getwinvar(0, '&diff') || s:IgnoreFile(fname)
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endfunction
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function! s:uname()
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if !exists('s:uname')
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let s:uname = system('uname')
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endif
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return s:uname
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endfunction
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"return a string representing the state of buffer according to
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"g:syntastic_stl_format
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"
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"return '' if no errors are cached for the buffer
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function! SyntasticStatuslineFlag()
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let loclist = g:SyntasticLoclist.current()
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let issues = loclist.filteredRaw()
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let num_issues = loclist.getLength()
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if loclist.hasErrorsOrWarningsToDisplay()
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let errors = loclist.errors()
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let warnings = loclist.warnings()
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let num_errors = len(errors)
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let num_warnings = len(warnings)
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let output = g:syntastic_stl_format
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"hide stuff wrapped in %E(...) unless there are errors
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let output = substitute(output, '\C%E{\([^}]*\)}', num_errors ? '\1' : '' , 'g')
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"hide stuff wrapped in %W(...) unless there are warnings
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let output = substitute(output, '\C%W{\([^}]*\)}', num_warnings ? '\1' : '' , 'g')
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"hide stuff wrapped in %B(...) unless there are both errors and warnings
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let output = substitute(output, '\C%B{\([^}]*\)}', (num_warnings && num_errors) ? '\1' : '' , 'g')
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"sub in the total errors/warnings/both
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let output = substitute(output, '\C%w', num_warnings, 'g')
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let output = substitute(output, '\C%e', num_errors, 'g')
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let output = substitute(output, '\C%t', num_issues, 'g')
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"first error/warning line num
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let output = substitute(output, '\C%F', num_issues ? issues[0]['lnum'] : '', 'g')
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"first error line num
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let output = substitute(output, '\C%fe', num_errors ? errors[0]['lnum'] : '', 'g')
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"first warning line num
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let output = substitute(output, '\C%fw', num_warnings ? warnings[0]['lnum'] : '', 'g')
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return output
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else
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return ''
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endif
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endfunction
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"Emulates the :lmake command. Sets up the make environment according to the
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"options given, runs make, resets the environment, returns the location list
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"
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"a:options can contain the following keys:
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" 'makeprg'
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" 'errorformat'
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"
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"The corresponding options are set for the duration of the function call. They
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"are set with :let, so dont escape spaces.
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"
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"a:options may also contain:
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" 'defaults' - a dict containing default values for the returned errors
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" 'subtype' - all errors will be assigned the given subtype
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" 'preprocess' - a function to be applied to the error file before parsing errors
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" 'postprocess' - a list of functions to be applied to the error list
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" 'cwd' - change directory to the given path before running the checker
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" 'returns' - a list of valid exit codes for the checker
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function! SyntasticMake(options)
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call syntastic#util#debug('SyntasticMake: called with options: '. string(a:options))
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let old_shell = &shell
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let old_shellredir = &shellredir
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let old_errorformat = &errorformat
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let old_cwd = getcwd()
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let old_lc_messages = $LC_MESSAGES
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let old_lc_all = $LC_ALL
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if s:OSSupportsShellredirHack()
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"this is a hack to stop the screen needing to be ':redraw'n when
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"when :lmake is run. Otherwise the screen flickers annoyingly
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let &shellredir = '&>'
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let &shell = '/bin/bash'
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endif
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if has_key(a:options, 'errorformat')
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let &errorformat = a:options['errorformat']
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endif
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if has_key(a:options, 'cwd')
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exec 'lcd ' . fnameescape(a:options['cwd'])
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endif
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let $LC_MESSAGES = 'C'
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let $LC_ALL = ''
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let err_lines = split(system(a:options['makeprg']), "\n", 1)
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let $LC_ALL = old_lc_all
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let $LC_MESSAGES = old_lc_messages
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if has_key(a:options, 'preprocess')
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let err_lines = call(a:options['preprocess'], [err_lines])
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endif
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lgetexpr err_lines
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let errors = copy(getloclist(0))
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if has_key(a:options, 'cwd')
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exec 'lcd ' . fnameescape(old_cwd)
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endif
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silent! lolder
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let &errorformat = old_errorformat
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let &shellredir = old_shellredir
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let &shell=old_shell
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if s:IsRedrawRequiredAfterMake()
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call s:Redraw()
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endif
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if has_key(a:options, 'returns') && index(a:options['returns'], v:shell_error) == -1
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throw 'Syntastic: checker error'
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endif
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if has_key(a:options, 'defaults')
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call SyntasticAddToErrors(errors, a:options['defaults'])
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endif
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" Apply ignore patterns
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let ignore = {}
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for buf in syntastic#util#unique(map(copy(errors), 'v:val["bufnr"]'))
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let ignore[buf] = s:IgnoreFile(bufname(str2nr(buf)))
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endfor
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call filter(errors, '!ignore[v:val["bufnr"]]')
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" Add subtype info if present.
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if has_key(a:options, 'subtype')
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call SyntasticAddToErrors(errors, {'subtype': a:options['subtype']})
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endif
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if has_key(a:options, 'postprocess') && !empty(a:options['postprocess'])
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for rule in a:options['postprocess']
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let errors = call('syntastic#postprocess#' . rule, [errors])
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endfor
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endif
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return errors
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endfunction
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"take a list of errors and add default values to them from a:options
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function! SyntasticAddToErrors(errors, options)
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for i in range(0, len(a:errors)-1)
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for key in keys(a:options)
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if !has_key(a:errors[i], key) || empty(a:errors[i][key])
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let a:errors[i][key] = a:options[key]
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endif
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endfor
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endfor
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return a:errors
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endfunction
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" vim: set et sts=4 sw=4:
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