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taglist: load taglist variants only once

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Because Tlist_Get_Filenames() only exists within yegappan/taglist,
TlistUpdate was being envoked on every call when using other taglist
versions.(Like vim-scripts/taglist.) This caused visual artifacts and
slowdowns.

We now check for a function from both taglist variants to see if either
one has been loaded.
This commit is contained in:
Michael Monsivais 2021-11-19 10:15:15 -07:00
parent 4b96f58902
commit 6716572b30
1 changed files with 3 additions and 3 deletions
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6
autoload/airline/extensions/taglist.vim
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@ -10,15 +10,15 @@ endif
function! airline#extensions#taglist#currenttag()
" Update tag list if taglist is not loaded (else we get an empty tag name)
" Load yegappan/taglist and vim-scripts/taglist.vim only once.
let tlist_updated = v:false
if !exists('*Tlist_Get_Filenames()')
if !exists('*taglist#Tlist_Get_Tagname_By_Line()') && !exists('*Tlist_Get_Tagname_By_Line()')
TlistUpdate
let tlist_updated = v:true
endif
if !tlist_updated
if !tlist_updated && exists('*Tlist_Get_Filenames()')
if stridx(Tlist_Get_Filenames(), expand('%:p')) < 0
TlistUpdate
let tlist_updated = v:true
endif
endif
" Is this function is not present it'means you use the old vertsion of