94 lines
3.6 KiB
VimL
94 lines
3.6 KiB
VimL
"============================================================================
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"File: ghc-mod.vim
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"Description: Syntax checking plugin for syntastic.vim
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"Maintainer: Anthony Carapetis <anthony.carapetis at gmail dot com>
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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_haskell_ghc_mod_checker')
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finish
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endif
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let g:loaded_syntastic_haskell_ghc_mod_checker = 1
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let s:ghc_mod_new = -1
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let s:save_cpo = &cpo
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set cpo&vim
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function! SyntaxCheckers_haskell_ghc_mod_IsAvailable() dict " {{{1
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if !executable(self.getExec())
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return 0
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endif
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" ghc-mod 5.0.0 and later needs the "version" command to print the
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" version. But the "version" command appeared in 4.1.0. Thus, we need to
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" know the version in order to know how to find out the version. :)
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" Try "ghc-mod version".
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let version_output = split(syntastic#util#system(self.getExecEscaped() . ' version'), '\n', 1)
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let ver = filter(copy(version_output), 'v:val =~# ''\m\sversion''')
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if !len(ver)
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" That didn't work. Try "ghc-mod" alone.
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let version_output = split(syntastic#util#system(self.getExecEscaped()), '\n', 1)
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let ver = filter(copy(version_output), 'v:val =~# ''\m\sversion''')
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endif
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let parsed_ver = len(ver) ? syntastic#util#parseVersion(ver[0]) : []
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if len(parsed_ver)
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" Encouraged by the great success in finding out the version, now we
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" need either a Vim that can handle NULs in system() output, or a
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" ghc-mod that has the "--boundary" option.
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call self.setVersion(parsed_ver)
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let s:ghc_mod_new = syntastic#util#versionIsAtLeast(parsed_ver, [2, 1, 2])
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else
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call syntastic#log#ndebug(g:_SYNTASTIC_DEBUG_LOCLIST, 'checker output:', version_output)
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call syntastic#log#error("checker haskell/ghc_mod: can't parse version string (abnormal termination?)")
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let s:ghc_mod_new = -1
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endif
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" ghc-mod 5.4.0 wants to run in the root directory of the project;
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" syntastic can't cope with the resulting complications
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"
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" References:
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" https://hackage.haskell.org/package/ghc-mod-5.4.0.0/changelog
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let s:ghc_mod_bailout = syntastic#util#versionIsAtLeast(parsed_ver, [5, 4])
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return (s:ghc_mod_new >= 0) && (v:version >= 704 || s:ghc_mod_new) && !s:ghc_mod_bailout
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endfunction " }}}1
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function! SyntaxCheckers_haskell_ghc_mod_GetLocList() dict " {{{1
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let makeprg = self.makeprgBuild({
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\ 'exe': self.getExecEscaped() . ' check' . (s:ghc_mod_new ? ' --boundary=""' : '') })
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let errorformat =
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\ '%-G%\s%#,' .
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\ '%f:%l:%c:%trror: %m,' .
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\ '%f:%l:%c:%tarning: %m,'.
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\ '%f:%l:%c: %trror: %m,' .
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\ '%f:%l:%c: %tarning: %m,' .
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\ '%f:%l:%c:%m,' .
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\ '%E%f:%l:%c:,' .
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\ '%Z%m'
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return SyntasticMake({
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\ 'makeprg': makeprg,
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\ 'errorformat': errorformat,
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\ 'preprocess': 'iconv',
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\ 'postprocess': ['compressWhitespace'],
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\ 'returns': [0] })
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endfunction " }}}1
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call g:SyntasticRegistry.CreateAndRegisterChecker({
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\ 'filetype': 'haskell',
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\ 'name': 'ghc_mod',
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\ 'exec': 'ghc-mod' })
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let &cpo = s:save_cpo
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unlet s:save_cpo
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" vim: set sw=4 sts=4 et fdm=marker:
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