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https://github.com/vim/vim
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fdfcce56a6
closes: #16151 Signed-off-by: Konfekt <Konfekt@users.noreply.github.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
112 lines
2.9 KiB
VimL
112 lines
2.9 KiB
VimL
" Vim filetype plugin file.
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" Language: Lua
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" Maintainer: Doug Kearns <dougkearns@gmail.com>
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" Previous Maintainer: Max Ischenko <mfi@ukr.net>
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" Contributor: Dorai Sitaram <ds26@gte.com>
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" C.D. MacEachern <craig.daniel.maceachern@gmail.com>
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" Tyler Miller <tmillr@proton.me>
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" Last Change: 2024 Dec 03
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if exists("b:did_ftplugin")
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finish
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endif
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let b:did_ftplugin = 1
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let s:cpo_save = &cpo
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set cpo&vim
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setlocal comments=:---,:--
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setlocal commentstring=--\ %s
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setlocal formatoptions-=t formatoptions+=croql
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let &l:define = '\<function\|\<local\%(\s\+function\)\='
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" TODO: handle init.lua
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setlocal includeexpr=tr(v:fname,'.','/')
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setlocal suffixesadd=.lua
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let b:undo_ftplugin = "setlocal cms< com< def< fo< inex< sua<"
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if exists("loaded_matchit") && !exists("b:match_words")
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let b:match_ignorecase = 0
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let b:match_words =
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\ '\<\%(do\|function\|if\)\>:' ..
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\ '\<\%(return\|else\|elseif\)\>:' ..
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\ '\<end\>,' ..
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\ '\<repeat\>:\<until\>,' ..
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\ '\%(--\)\=\[\(=*\)\[:]\1]'
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let b:undo_ftplugin ..= " | unlet! b:match_words b:match_ignorecase"
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endif
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if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
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let b:browsefilter = "Lua Source Files (*.lua)\t*.lua\n"
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if has("win32")
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let b:browsefilter ..= "All Files (*.*)\t*\n"
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else
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let b:browsefilter ..= "All Files (*)\t*\n"
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endif
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let b:undo_ftplugin ..= " | unlet! b:browsefilter"
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endif
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if has("folding") && get(g:, "lua_folding", 0)
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setlocal foldmethod=expr
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setlocal foldexpr=LuaFold(v:lnum)
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let b:lua_lasttick = -1
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let b:undo_ftplugin ..= "|setl foldexpr< foldmethod< | unlet! b:lua_lasttick b:lua_foldlists"
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endif
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" The rest of the file needs to be :sourced only once per Vim session
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if exists('s:loaded_lua') || &cp
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let &cpo = s:cpo_save
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unlet s:cpo_save
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finish
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endif
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let s:loaded_lua = 1
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let s:patterns = [
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\ ['do', 'end'],
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\ ['if\s+.+\s+then', 'end'],
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\ ['repeat', 'until\s+.+'],
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\ ['for\s+.+\s+do', 'end'],
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\ ['while\s+.+\s+do', 'end'],
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\ ['function.+', 'end'],
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\ ['return\s+function.+', 'end'],
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\ ['local\s+function\s+.+', 'end'],
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\ ]
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function! LuaFold(lnum) abort
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if b:lua_lasttick == b:changedtick
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return b:lua_foldlists[a:lnum-1]
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endif
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let b:lua_lasttick = b:changedtick
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let b:lua_foldlists = []
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let foldlist = []
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let buf = getline(1, '$')
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for line in buf
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for t in s:patterns
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let tagopen = '\v^\s*'..t[0]..'\s*$'
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let tagclose = '\v^\s*'..t[1]..'\s*$'
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if line =~# tagopen
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call add(foldlist, t)
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break
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elseif line =~# tagclose
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if len(foldlist) > 0 && line =~# foldlist[-1][1]
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call remove(foldlist, -1)
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else
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let foldlist = []
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endif
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break
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endif
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endfor
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call add(b:lua_foldlists, len(foldlist))
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endfor
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return lua_foldlists[a:lnum-1]
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endfunction
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim: nowrap sw=2 sts=2 ts=8 noet:
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