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" Language: Lua
" Maintainer: Doug Kearns <dougkearns@gmail.com>
" Previous Maintainer: Max Ischenko <mfi@ukr.net>
" Contributor: Dorai Sitaram <ds26@gte.com>
" C.D. MacEachern <craig.daniel.maceachern@gmail.com>
" Tyler Miller <tmillr@proton.me>
" Phạm Bình An <phambinhanctb2004@gmail.com>
" @konfekt
" Last Change: 2025 Apr 04
if exists("b:did_ftplugin")
finish
endif
let b:did_ftplugin = 1
" keep in sync with syntax/lua.vim
if !exists("lua_version")
" Default is lua 5.3
let lua_version = 5
let lua_subversion = 3
elseif !exists("lua_subversion")
" lua_version exists, but lua_subversion doesn't. In this case set it to 0
let lua_subversion = 0
endif
let s:cpo_save = &cpo
set cpo&vim
setlocal comments=:---,:--
setlocal commentstring=--\ %s
setlocal formatoptions-=t formatoptions+=croql
let &l:define = '\<function\|\<local\%(\s\+function\)\='
let &l:include = '\<\%(\%(do\|load\)file\|require\)\s*('
setlocal includeexpr=s:LuaInclude(v:fname)
setlocal suffixesadd=.lua
let b:undo_ftplugin = "setl cms< com< def< fo< inc< inex< sua<"
if exists("loaded_matchit") && !exists("b:match_words")
let b:match_ignorecase = 0
let b:match_words =
\ '\<\%(do\|function\|if\)\>:' ..
\ '\<\%(return\|else\|elseif\)\>:' ..
\ '\<end\>,' ..
\ '\<repeat\>:\<until\>,' ..
\ '\%(--\)\=\[\(=*\)\[:]\1]'
let b:undo_ftplugin ..= " | unlet! b:match_words b:match_ignorecase"
endif
if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
let b:browsefilter = "Lua Source Files (*.lua)\t*.lua\n"
if has("win32")
let b:browsefilter ..= "All Files (*.*)\t*\n"
else
let b:browsefilter ..= "All Files (*)\t*\n"
endif
let b:undo_ftplugin ..= " | unlet! b:browsefilter"
endif
" The rest of the file needs to be :sourced only once per Vim session
if exists("s:loaded_lua") || &cp
let &cpo = s:cpo_save
unlet s:cpo_save
finish
endif
let s:loaded_lua = 1
function s:LuaInclude(fname) abort
let lua_ver = str2float(printf("%d.%02d", g:lua_version, g:lua_subversion))
let fname = tr(a:fname, '.', '/')
let paths = lua_ver >= 5.03 ? [fname .. ".lua", fname .. "/init.lua"] : [fname .. ".lua"]
for path in paths
if filereadable(path)
return path
endif
endfor
return fname
endfunction
" vim: nowrap sw=2 sts=2 ts=8 noet:
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