265 lines
7.7 KiB
VimL
265 lines
7.7 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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"Maintainer: Martin Grenfell <martin.grenfell at gmail dot com>
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"Version: 1.1.0
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"Last Change: 16 Dec, 2009
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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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let s:running_windows = has("win16") || has("win32") || has("win64")
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if !exists("g:syntastic_enable_signs") || !has('signs')
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let g:syntastic_enable_signs = 0
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endif
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if !exists("g:syntastic_auto_loc_list")
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let g:syntastic_auto_loc_list = 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_disabled_filetypes")
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let g:syntastic_disabled_filetypes = []
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endif
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"load all the syntax checkers
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runtime! syntax_checkers/*.vim
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"refresh and redraw all the error info for this buf when saving or reading
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autocmd bufreadpost,bufwritepost * call s:UpdateErrors()
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function! s:UpdateErrors()
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call s:CacheErrors()
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if g:syntastic_enable_signs
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call s:RefreshSigns()
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endif
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if g:syntastic_auto_loc_list
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if s:BufHasErrorsOrWarningsToDisplay()
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call s:ShowLocList()
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else
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"TODO: this will close the loc list window if one was opened by
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"something other than syntastic
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lclose
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endif
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endif
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endfunction
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"detect and cache all syntax errors in this buffer
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"
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"depends on a function called SyntaxCheckers_{&ft}_GetLocList() existing
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"elsewhere
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function! s:CacheErrors()
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let b:syntastic_loclist = []
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if filereadable(expand("%"))
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for ft in split(&ft, '\.')
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if s:Checkable(ft)
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let b:syntastic_loclist = extend(b:syntastic_loclist, SyntaxCheckers_{ft}_GetLocList())
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endif
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endfor
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endif
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endfunction
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"return true if there are cached errors/warnings for this buf
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function! s:BufHasErrorsOrWarnings()
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return exists("b:syntastic_loclist") && !empty(b:syntastic_loclist)
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endfunction
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"return true if there are cached errors for this buf
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function! s:BufHasErrors()
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return len(s:ErrorsForType('E')) > 0
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endfunction
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function! s:BufHasErrorsOrWarningsToDisplay()
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return s:BufHasErrors() || (!g:syntastic_quiet_warnings && s:BufHasErrorsOrWarnings())
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endfunction
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function! s:ErrorsForType(type)
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if !exists("b:syntastic_loclist")
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return []
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endif
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return filter(copy(b:syntastic_loclist), 'v:val["type"] ==# "' . a:type . '"')
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endfunction
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if g:syntastic_enable_signs
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"use >> to display syntax errors in the sign column
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sign define SyntasticError text=>> texthl=error
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sign define SyntasticWarning text=>> texthl=todo
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endif
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"start counting sign ids at 5000, start here to hopefully avoid conflicting
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"with any other code that places signs (not sure if this precaution is
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"actually needed)
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let s:first_sign_id = 5000
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let s:next_sign_id = s:first_sign_id
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"place signs by all syntax errs in the buffer
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function s:SignErrors()
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if s:BufHasErrorsOrWarningsToDisplay()
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for i in b:syntastic_loclist
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let sign_type = 'SyntasticError'
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if i['type'] == 'W'
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let sign_type = 'SyntasticWarning'
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endif
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exec "sign place ". s:next_sign_id ." line=". i['lnum'] ." name=". sign_type ." file=". expand("%:p")
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call add(s:BufSignIds(), s:next_sign_id)
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let s:next_sign_id += 1
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endfor
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endif
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endfunction
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"remove the signs with the given ids from this buffer
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function! s:RemoveSigns(ids)
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for i in a:ids
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exec "sign unplace " . i
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call remove(s:BufSignIds(), index(s:BufSignIds(), i))
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endfor
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endfunction
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"get all the ids of the SyntaxError signs in the buffer
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function! s:BufSignIds()
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if !exists("b:syntastic_sign_ids")
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let b:syntastic_sign_ids = []
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endif
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return b:syntastic_sign_ids
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endfunction
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"update the error signs
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function! s:RefreshSigns()
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let old_signs = copy(s:BufSignIds())
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call s:SignErrors()
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call s:RemoveSigns(old_signs)
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let s:first_sign_id = s:next_sign_id
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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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if exists("b:syntastic_loclist")
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call setloclist(0, b:syntastic_loclist)
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let num = winnr()
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lopen
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if num != winnr()
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wincmd p
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endif
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endif
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endfunction
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command Errors call s:ShowLocList()
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"return [syntax:X(Y)] if syntax errors are detected in the buffer, where X is the
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"line number of the first error and Y is the number of errors detected. (Y) is
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"only displayed if > 1 errors are detected
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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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if s:BufHasErrorsOrWarningsToDisplay()
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let first_err_line = b:syntastic_loclist[0]['lnum']
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if g:syntastic_quiet_warnings
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let first_err_line = s:ErrorsForType('E')[0]['lnum']
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endif
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let err_count = len(b:syntastic_loclist)
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if g:syntastic_quiet_warnings
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let err_count = len(s:ErrorsForType('E'))
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endif
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let toReturn = '[syntax:' . first_err_line
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if err_count > 1
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let toReturn .= '(' . err_count . ')'
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endif
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let toReturn .= ']'
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return toReturn
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else
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return ''
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endif
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endfunction
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"A wrapper for the :lmake command. Sets up the make environment according to
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"the options given, runs make, resets the environment, returns the location
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"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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function! SyntasticMake(options)
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let old_loclist = getloclist(0)
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let old_makeprg = &makeprg
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let old_shellpipe = &shellpipe
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let old_errorformat = &errorformat
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if !s:running_windows
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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 &shellpipe='&>'
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endif
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if has_key(a:options, 'makeprg')
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let &makeprg = a:options['makeprg']
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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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silent lmake!
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let errors = getloclist(0)
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call setloclist(0, old_loclist)
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let &makeprg = old_makeprg
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let &errorformat = old_errorformat
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let &shellpipe=old_shellpipe
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return errors
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endfunction
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function! s:Checkable(ft)
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return exists("*SyntaxCheckers_". a:ft ."_GetLocList") &&
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\ index(g:syntastic_disabled_filetypes, a:ft) == -1
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endfunction
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command! -nargs=? SyntasticEnable call s:Enable(<f-args>)
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command! -nargs=? SyntasticDisable call s:Disable(<f-args>)
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"disable syntax checking for the given filetype (defaulting to current ft)
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function! s:Disable(...)
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let ft = a:0 ? a:1 : &filetype
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if !empty(ft) && index(g:syntastic_disabled_filetypes, ft) == -1
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call add(g:syntastic_disabled_filetypes, ft)
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endif
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endfunction
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"enable syntax checking for the given filetype (defaulting to current ft)
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function! s:Enable(...)
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let ft = a:0 ? a:1 : &filetype
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let i = index(g:syntastic_disabled_filetypes, ft)
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if i != -1
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call remove(g:syntastic_disabled_filetypes, i)
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endif
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endfunction
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" vim: set et sts=4 sw=4:
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