syntastic/syntax_checkers/ruby/mri.vim
Martin Grenfell fa46a82860 ruby/mri: add highlight regex function
Make it work for unused variable warnings
2013-03-18 13:38:30 +00:00

68 lines
2.4 KiB
VimL

"============================================================================
"File: mri.vim
"Description: Syntax checking plugin for syntastic.vim
"Maintainer: Martin Grenfell <martin.grenfell 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_ruby_mri_checker")
finish
endif
let g:loaded_syntastic_ruby_mri_checker=1
if !exists("g:syntastic_ruby_exec")
let g:syntastic_ruby_exec = "ruby"
endif
function! SyntaxCheckers_ruby_mri_IsAvailable()
return executable(expand(g:syntastic_ruby_exec))
endfunction
function! SyntaxCheckers_ruby_mri_GetHighlightRegex(i)
if match(a:i['text'], 'assigned but unused variable') > -1
let term = split(a:i['text'], ' - ')[1]
return '\V\<'.term.'\>'
endif
return ''
endfunction
function! SyntaxCheckers_ruby_mri_GetLocList()
let exe = expand(g:syntastic_ruby_exec)
if !has('win32')
let exe = 'RUBYOPT= ' . exe
endif
let makeprg = syntastic#makeprg#build({
\ 'exe': exe,
\ 'args': '-w -T1 -c',
\ 'subchecker': 'mri' })
"this is a hack to filter out a repeated useless warning in rspec files
"containing lines like
"
" foo.should == 'bar'
"
"Which always generate the warning below. Note that ruby >= 1.9.3 includes
"the word "possibly" in the warning
let errorformat = '%-G%.%#warning: %\(possibly %\)%\?useless use of == in void context'
" filter out lines starting with ...
" long lines are truncated and wrapped in ... %p then returns the wrong
" column offset
let errorformat .= ',%-G%\%.%\%.%\%.%.%#'
let errorformat .= ',%-GSyntax OK,%E%f:%l: syntax error\, %m'
let errorformat .= ',%Z%p^,%W%f:%l: warning: %m,%Z%p^,%W%f:%l: %m,%-C%.%#'
return SyntasticMake({ 'makeprg': makeprg, 'errorformat': errorformat })
endfunction
call g:SyntasticRegistry.CreateAndRegisterChecker({
\ 'filetype': 'ruby',
\ 'name': 'mri'})