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-rw-r--r--runtime/doc/filetype.txt11
-rw-r--r--runtime/doc/syntax.txt10
-rw-r--r--runtime/ftplugin/lua.vim41
-rw-r--r--runtime/syntax/lua.vim3
4 files changed, 50 insertions, 15 deletions
diff --git a/runtime/doc/filetype.txt b/runtime/doc/filetype.txt
index b3fe13bfbd..f1d287b1bb 100644
--- a/runtime/doc/filetype.txt
+++ b/runtime/doc/filetype.txt
@@ -695,7 +695,18 @@ To enable the recognition of Markdown comments each time after removing
re-source "javaformat.vim" for Vim versions greater than `8.2.1397`: >
runtime autoload/javaformat.vim
<
+LUA *ft-lua-plugin*
+ *g:lua_version* *g:lua_subversion*
+Lua filetype's 'includeexpr' and |ft-lua-syntax| highlighting use the global
+variables "g:lua_version" and "g:lua_subversion" to determine the version of
+Lua to use (5.3 is the default)
+
+For example, to use Lua 5.1, set the variables like this: >
+
+ let g:lua_version = 5
+ let g:lua_subversion = 1
+<
MAIL *ft-mail-plugin*
Options:
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 75d6d85183..3a19ee55c3 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1870,13 +1870,9 @@ instead, and the name of your source file should be `*.pike`
LUA *lua.vim* *ft-lua-syntax*
-The Lua syntax file can be used for versions 4.0, 5.0, 5.1 and 5.2 (5.2 is
-the default). You can select one of these versions using the global variables
-lua_version and lua_subversion. For example, to activate Lua
-5.1 syntax highlighting, set the variables like this: >
-
- :let lua_version = 5
- :let lua_subversion = 1
+The Lua syntax file can be used for versions 4.0, 5.0+. You can select one of
+these versions using the global variables |g:lua_version| and
+|g:lua_subversion|.
MAIL *mail.vim* *ft-mail.vim*
diff --git a/runtime/ftplugin/lua.vim b/runtime/ftplugin/lua.vim
index 80cbba78a2..914e7ab6db 100644
--- a/runtime/ftplugin/lua.vim
+++ b/runtime/ftplugin/lua.vim
@@ -4,14 +4,24 @@
" 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>
-" Last Change: 2024 Jan 14
+" Phạm Bình An <phambinhanctb2004@gmail.com>
+" Last Change: 2025 Feb 25
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
@@ -21,11 +31,11 @@ setlocal formatoptions-=t formatoptions+=croql
let &l:define = '\<function\|\<local\%(\s\+function\)\='
-" TODO: handle init.lua
-setlocal includeexpr=tr(v:fname,'.','/')
+let &l:include = '\v<((do|load)file|require)[^''"]*[''"]\zs[^''"]+'
+setlocal includeexpr=LuaInclude(v:fname)
setlocal suffixesadd=.lua
-let b:undo_ftplugin = "setlocal cms< com< def< fo< inex< sua<"
+let b:undo_ftplugin = "setlocal cms< com< def< fo< inc< inex< sua<"
if exists("loaded_matchit") && !exists("b:match_words")
let b:match_ignorecase = 0
@@ -48,7 +58,24 @@ if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
let b:undo_ftplugin ..= " | unlet! b:browsefilter"
endif
-let &cpo = s:cpo_save
-unlet s:cpo_save
+" 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 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:
diff --git a/runtime/syntax/lua.vim b/runtime/syntax/lua.vim
index 9c5a490582..f5851d024f 100644
--- a/runtime/syntax/lua.vim
+++ b/runtime/syntax/lua.vim
@@ -2,7 +2,7 @@
" Language: Lua 4.0, Lua 5.0, Lua 5.1, Lua 5.2 and Lua 5.3
" Maintainer: Marcus Aurelius Farias <masserahguard-lua 'at' yahoo com>
" First Author: Carlos Augusto Teixeira Mendes <cmendes 'at' inf puc-rio br>
-" Last Change: 2022 Sep 07
+" Last Change: 2025 Feb 25
" Options: lua_version = 4 or 5
" lua_subversion = 0 (for 4.0 or 5.0)
" or 1, 2, 3 (for 5.1, 5.2 or 5.3)
@@ -16,6 +16,7 @@ endif
let s:cpo_save = &cpo
set cpo&vim
+" keep in sync with ftplugin/lua.vim
if !exists("lua_version")
" Default is lua 5.3
let lua_version = 5