Registry optimisation: lazy IsAvailable() calls.

This commit is contained in:
LCD 47 2014-06-02 21:25:49 +03:00
parent 284655357b
commit e058be3d01
4 changed files with 50 additions and 47 deletions

View File

@ -19,7 +19,7 @@ if has('reltime')
lockvar! g:syntastic_start
endif
let g:syntastic_version = '3.4.0-75'
let g:syntastic_version = '3.4.0-76'
lockvar g:syntastic_version
" Sanity checks {{{1
@ -142,7 +142,7 @@ let s:modemap = g:SyntasticModeMap.Instance()
function! s:CompleteCheckerName(argLead, cmdLine, cursorPos) " {{{2
let checker_names = []
for ft in s:resolveFiletypes()
call extend(checker_names, keys(s:registry.getCheckersMap(ft)))
call extend(checker_names, s:registry.getNamesOfAvailableCheckers(ft))
endfor
return join(checker_names, "\n")
endfunction " }}}2
@ -319,8 +319,15 @@ function! s:CacheErrors(checker_names) " {{{2
endfor
let names = []
let unavailable_checkers = 0
for checker in clist
let cname = checker.getFiletype() . '/' . checker.getName()
if !checker.isAvailable()
call syntastic#log#debug(g:SyntasticDebugTrace, 'CacheErrors: Checker ' . cname . ' is not available')
let unavailable_checkers += 1
continue
endif
call syntastic#log#debug(g:SyntasticDebugTrace, 'CacheErrors: Invoking checker: ' . cname)
let loclist = checker.getLocList()
@ -357,7 +364,7 @@ function! s:CacheErrors(checker_names) " {{{2
" }}}3
" issue warning about no active checkers {{{3
if empty(clist)
if len(clist) == unavailable_checkers
if !empty(a:checker_names)
if len(a:checker_names) == 1
call syntastic#log#warn('checker ' . a:checker_names[0] . ' is not available')

View File

@ -98,7 +98,10 @@ function! g:SyntasticChecker.makeprgBuild(opts) " {{{2
endfunction " }}}2
function! g:SyntasticChecker.isAvailable() " {{{2
return self._isAvailableFunc()
if !has_key(self, '_available')
let self._available = self._isAvailableFunc()
endif
return self._available
endfunction " }}}2
" }}}1

View File

@ -106,14 +106,13 @@ let g:SyntasticRegistry = {}
" Public methods {{{1
" TODO: Handling of filetype aliases: all public methods take aliases as
" Note: Handling of filetype aliases: all public methods take aliases as
" parameters, all private methods take normalized filetypes. Public methods
" are thus supposed to normalize filetypes before calling private methods.
function! g:SyntasticRegistry.Instance() " {{{2
if !exists('s:SyntasticRegistryInstance')
let s:SyntasticRegistryInstance = copy(self)
let s:SyntasticRegistryInstance._checkerRaw = {}
let s:SyntasticRegistryInstance._checkerMap = {}
endif
@ -126,29 +125,23 @@ function! g:SyntasticRegistry.CreateAndRegisterChecker(args) " {{{2
call registry._registerChecker(checker)
endfunction " }}}2
function! g:SyntasticRegistry.isCheckable(ftalias) " {{{2
" Given a list of checker names hints_list, return a map name --> checker.
" If hints_list is empty, user settings are are used instead. Checkers are
" not checked for availability (that is, the corresponding IsAvailable() are
" not run).
function! g:SyntasticRegistry.getCheckers(ftalias, hints_list) " {{{2
let ft = s:normaliseFiletype(a:ftalias)
call self._loadCheckers(ft)
return !empty(self._checkerMap[ft])
endfunction " }}}2
call self._loadCheckersFor(ft)
function! g:SyntasticRegistry.getCheckersMap(ftalias) " {{{2
let ft = s:normaliseFiletype(a:ftalias)
call self._loadCheckers(ft)
return self._checkerMap[ft]
endfunction " }}}2
function! g:SyntasticRegistry.getCheckers(ftalias, list) " {{{2
let checkers_map = self.getCheckersMap(a:ftalias)
let checkers_map = self._checkerMap[ft]
if empty(checkers_map)
return []
endif
let ft = s:normaliseFiletype(a:ftalias)
call self._checkDeprecation(ft)
let names =
\ !empty(a:list) ? a:list :
\ !empty(a:hints_list) ? syntastic#util#unique(a:hints_list) :
\ exists('b:syntastic_checkers') ? b:syntastic_checkers :
\ exists('g:syntastic_' . ft . '_checkers') ? g:syntastic_{ft}_checkers :
\ get(s:defaultCheckers, ft, 0)
@ -157,6 +150,12 @@ function! g:SyntasticRegistry.getCheckers(ftalias, list) " {{{2
\ self._filterCheckersByName(checkers_map, names) : [checkers_map[keys(checkers_map)[0]]]
endfunction " }}}2
" Same as getCheckers(), but keep only the checkers available. This runs the
" corresponding IsAvailable() functions for all checkers.
function! g:SyntasticRegistry.getCheckersAvailable(ftalias, hints_list) " {{{2
return filter(self.getCheckers(a:ftalias, a:hints_list), 'v:val.isAvailable()')
endfunction " }}}2
function! g:SyntasticRegistry.getKnownFiletypes() " {{{2
let types = keys(s:defaultCheckers)
@ -173,6 +172,12 @@ function! g:SyntasticRegistry.getKnownFiletypes() " {{{2
return syntastic#util#unique(types)
endfunction " }}}2
function! g:SyntasticRegistry.getNamesOfAvailableCheckers(ftalias) " {{{2
let ft = s:normaliseFiletype(a:ftalias)
call self._loadCheckersFor(ft)
return keys(filter( copy(self._checkerMap[ft]), 'v:val.isAvailable()' ))
endfunction " }}}2
function! g:SyntasticRegistry.echoInfoFor(ftalias_list) " {{{2
echomsg "Syntastic version: " . g:syntastic_version
echomsg "Info for filetype: " . join(a:ftalias_list, '.')
@ -183,13 +188,13 @@ function! g:SyntasticRegistry.echoInfoFor(ftalias_list) " {{{2
let active = []
for ft in ft_list
call extend(available, map( keys(self.getCheckersMap(ft)), 'ft . "/" . v:val' ))
call extend(active, map( self.getCheckers(ft, []), 'ft . "/" . v:val.getName()' ))
call extend(available, map( self.getNamesOfAvailableCheckers(ft), 'ft . "/" . v:val' ))
call extend(active, map( self.getCheckersAvailable(ft, []), 'ft . "/" . v:val.getName()' ))
endfor
else
let ft = ft_list[0]
let available = keys(self.getCheckersMap(ft))
let active = map(self.getCheckers(ft, []), 'v:val.getName()')
let available = self.getNamesOfAvailableCheckers(ft)
let active = map(self.getCheckersAvailable(ft, []), 'v:val.getName()')
endif
echomsg "Available checker(s): " . join(sort(available))
@ -202,47 +207,34 @@ endfunction " }}}2
function! g:SyntasticRegistry._registerChecker(checker) abort " {{{2
let ft = a:checker.getFiletype()
if !has_key(self._checkerRaw, ft)
let self._checkerRaw[ft] = []
if !has_key(self._checkerMap, ft)
let self._checkerMap[ft] = {}
endif
call self._validateUniqueName(a:checker)
let name = a:checker.getName()
call add(self._checkerRaw[ft], name)
if a:checker.isAvailable()
let self._checkerMap[ft][name] = a:checker
if has_key(self._checkerMap[ft], name)
throw 'Syntastic: Duplicate syntax checker name: ' . ft . '/' . name
endif
let self._checkerMap[ft][name] = a:checker
endfunction " }}}2
function! g:SyntasticRegistry._filterCheckersByName(checkers_map, list) " {{{2
return filter( map(copy(a:list), 'get(a:checkers_map, v:val, {})'), '!empty(v:val)' )
endfunction " }}}2
function! g:SyntasticRegistry._loadCheckers(filetype) " {{{2
if has_key(self._checkerRaw, a:filetype)
function! g:SyntasticRegistry._loadCheckersFor(filetype) " {{{2
if has_key(self._checkerMap, a:filetype)
return
endif
execute "runtime! syntax_checkers/" . a:filetype . "/*.vim"
if !has_key(self._checkerRaw, a:filetype)
let self._checkerRaw[a:filetype] = []
if !has_key(self._checkerMap, a:filetype)
let self._checkerMap[a:filetype] = {}
endif
endfunction " }}}2
function! g:SyntasticRegistry._validateUniqueName(checker) abort " {{{2
let ft = a:checker.getFiletype()
let name = a:checker.getName()
if index(self._checkerRaw[ft], name) > -1
throw 'Syntastic: Duplicate syntax checker name: ' . ft . '/' . name
endif
endfunction " }}}2
" Check for obsolete variable g:syntastic_<filetype>_checker
function! g:SyntasticRegistry._checkDeprecation(filetype) " {{{2
if exists('g:syntastic_' . a:filetype . '_checker') && !exists('g:syntastic_' . a:filetype . '_checkers')

View File

@ -41,8 +41,9 @@ endfunction
function! s:ForwardToZshChecker()
let registry = g:SyntasticRegistry.Instance()
if registry.isCheckable('zsh')
return registry.getCheckers('zsh', ['zsh'])[0].getLocListRaw()
let zsh_checkers = registry.getCheckersAvailable('zsh', ['zsh'])
if !empty(zsh_checkers)
return zsh_checkers[0].getLocListRaw()
else
return []
endif