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Optimize ale#completion#Filter when prefix is ""

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This commit is contained in:
Jerko Steiner
2019-01-08 15:09:59 +01:00
parent 9bcf8a2336
commit b1b05e6e66
4 changed files with 42 additions and 27 deletions
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58
autoload/ale/completion.vim
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@@ -89,6 +89,10 @@ function! ale#completion#GetPrefix(filetype, line, column) abort
endfunction
function! ale#completion#GetTriggerCharacter(filetype, prefix) abort
if empty(a:prefix)
return ''
endif
let l:char_list = s:GetFiletypeValue(s:trigger_character_map, a:filetype)
if index(l:char_list, a:prefix) >= 0
@@ -100,33 +104,38 @@ endfunction
function! ale#completion#Filter(buffer, filetype, suggestions, prefix) abort
let l:excluded_words = ale#Var(a:buffer, 'completion_excluded_words')
let l:triggers = s:GetFiletypeValue(s:trigger_character_map, a:filetype)
" For completing...
" foo.
" ^
" We need to include all of the given suggestions.
if index(l:triggers, a:prefix) >= 0 || empty(a:prefix)
if empty(a:prefix)
let l:filtered_suggestions = a:suggestions
else
let l:filtered_suggestions = []
let l:triggers = s:GetFiletypeValue(s:trigger_character_map, a:filetype)
" Filter suggestions down to those starting with the prefix we used for
" finding suggestions in the first place.
"
" Some completion tools will include suggestions which don't even start
" with the characters we have already typed.
for l:item in a:suggestions
" A List of String values or a List of completion item Dictionaries
" is accepted here.
let l:word = type(l:item) is v:t_string ? l:item : l:item.word
" For completing...
" foo.
" ^
" We need to include all of the given suggestions.
if index(l:triggers, a:prefix) >= 0 || empty(a:prefix)
let l:filtered_suggestions = a:suggestions
else
let l:filtered_suggestions = []
" Add suggestions if the suggestion starts with a case-insensitive
" match for the prefix.
if l:word[: len(a:prefix) - 1] is? a:prefix
call add(l:filtered_suggestions, l:item)
endif
endfor
" Filter suggestions down to those starting with the prefix we
" used for finding suggestions in the first place.
"
" Some completion tools will include suggestions which don't even
" start with the characters we have already typed.
for l:item in a:suggestions
" A List of String values or a List of completion item
" Dictionaries is accepted here.
let l:word = type(l:item) is v:t_string ? l:item : l:item.word
" Add suggestions if the suggestion starts with a
" case-insensitive match for the prefix.
if l:word[: len(a:prefix) - 1] is? a:prefix
call add(l:filtered_suggestions, l:item)
endif
endfor
endif
endif
if !empty(l:excluded_words)
@@ -514,13 +523,12 @@ endfunction
" This function can be used to manually trigger autocomplete, even when
" g:ale_completion_enabled is set to false
function! ale#completion#AlwaysGetCompletions(...) abort
let l:need_prefix = get(a:, 1, 0)
function! ale#completion#AlwaysGetCompletions(need_prefix) abort
let [l:line, l:column] = getcurpos()[1:2]
let l:prefix = ale#completion#GetPrefix(&filetype, l:line, l:column)
if l:need_prefix && empty(l:prefix)
if a:need_prefix && empty(l:prefix)
return
endif