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