Use syntastic instead of pyflakes (supports a ton of more languages)

sources_non_forked/syntastic/syntax_checkers/haskell/ghc-mod.vim

@@ -0,0 +1,72 @@
+"============================================================================
+"File:        ghc-mod.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  Anthony Carapetis <anthony.carapetis 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.
+"
+"============================================================================
+
+if exists('g:loaded_syntastic_haskell_ghc_mod_checker')
+    finish
+endif
+let g:loaded_syntastic_haskell_ghc_mod_checker = 1
+
+let s:ghc_mod_new = -1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_haskell_ghc_mod_IsAvailable() dict
+    " We need either a Vim version that can handle NULs in system() output,
+    " or a ghc-mod version that has the --boundary option.
+    let exe = self.getExec()
+    let s:ghc_mod_new = executable(exe) ? s:GhcModNew(exe) : -1
+    return (s:ghc_mod_new >= 0) && (v:version >= 704 || s:ghc_mod_new)
+endfunction
+
+function! SyntaxCheckers_haskell_ghc_mod_GetLocList() dict
+    let makeprg = self.makeprgBuild({
+        \ 'exe': self.getExecEscaped() . ' check' . (s:ghc_mod_new ? ' --boundary=""' : '') })
+
+    let errorformat =
+        \ '%-G%\s%#,' .
+        \ '%f:%l:%c:%trror: %m,' .
+        \ '%f:%l:%c:%tarning: %m,'.
+        \ '%f:%l:%c: %trror: %m,' .
+        \ '%f:%l:%c: %tarning: %m,' .
+        \ '%f:%l:%c:%m,' .
+        \ '%E%f:%l:%c:,' .
+        \ '%Z%m'
+
+    return SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'postprocess': ['compressWhitespace'],
+        \ 'returns': [0] })
+endfunction
+
+function! s:GhcModNew(exe)
+    let exe = syntastic#util#shescape(a:exe)
+    try
+        let ghc_mod_version = filter(split(system(exe), '\n'), 'v:val =~# ''\m^ghc-mod version''')[0]
+        let ret = syntastic#util#versionIsAtLeast(syntastic#util#parseVersion(ghc_mod_version), [2, 1, 2])
+    catch /^Vim\%((\a\+)\)\=:E684/
+        call syntastic#log#error("checker haskell/ghc_mod: can't parse version string (abnormal termination?)")
+        let ret = -1
+    endtry
+    return ret
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'haskell',
+    \ 'name': 'ghc_mod',
+    \ 'exec': 'ghc-mod' })
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4:

sources_non_forked/syntastic/syntax_checkers/haskell/hdevtools.vim

@@ -0,0 +1,48 @@
+"============================================================================
+"File:        hdevtools.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  Anthony Carapetis <anthony.carapetis 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.
+"
+"============================================================================
+
+if exists("g:loaded_syntastic_haskell_hdevtools_checker")
+    finish
+endif
+let g:loaded_syntastic_haskell_hdevtools_checker = 1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_haskell_hdevtools_GetLocList() dict
+    let makeprg = self.makeprgBuild({
+        \ 'exe': self.getExecEscaped() . ' check',
+        \ 'args': get(g:, 'hdevtools_options', '') })
+
+    let errorformat= '\%-Z\ %#,'.
+        \ '%W%f:%l:%c:\ Warning:\ %m,'.
+        \ '%W%f:%l:%c:\ Warning:,'.
+        \ '%E%f:%l:%c:\ %m,'.
+        \ '%E%>%f:%l:%c:,'.
+        \ '%+C\ \ %#%m,'.
+        \ '%W%>%f:%l:%c:,'.
+        \ '%+C\ \ %#%tarning:\ %m,'
+
+    return SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'postprocess': ['compressWhitespace'] })
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'haskell',
+    \ 'name': 'hdevtools'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4:

sources_non_forked/syntastic/syntax_checkers/haskell/hlint.vim

@@ -0,0 +1,37 @@
+"============================================================================
+"File:        hlint.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  Nicolas Wu <nicolas.wu at gmail dot com>
+"License:     BSD
+"============================================================================
+
+if exists('g:loaded_syntastic_haskell_hlint_checker')
+    finish
+endif
+let g:loaded_syntastic_haskell_hlint_checker = 1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_haskell_hlint_GetLocList() dict
+    let makeprg = self.makeprgBuild({})
+
+    let errorformat =
+        \ '%E%f:%l:%c: Error: %m,' .
+        \ '%W%f:%l:%c: Warning: %m,' .
+        \ '%C%m'
+
+    return SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'postprocess': ['compressWhitespace'] })
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'haskell',
+    \ 'name': 'hlint'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4: