runtime(lua): Update lua ftplugin and documentation
Commit:
https://github.com/vim/vim/commit/00a00f5d3fc8dcf08e959c207a90f5902abc6a08
Author: brianhuster <phambinhanctb2...@gmail.com>
Date: Tue Feb 25 20:22:18 2025 +0100
runtime(lua): Update lua ftplugin and documentation
Problem:
- The doc says the default `g:lua_subversion` is 2, but in fact it is 3
(see `runtime/syntax/lua.vim`)
- `includeexpr` doesn't work with module in `init.lua`
Solution:
- Update documentation
- Assign value to option `&include`
- Add function `LuaInclude` and assign it to `l:&includeexpr`
closes: #16655
Co-authored-by: dkearns <dougkea...@gmail.com>
Signed-off-by: brianhuster <phambinhanctb2...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>
diff --git a/runtime/doc/filetype.txt b/runtime/doc/filetype.txt
index 7f338a561..a2c757fb4 100644
--- a/runtime/doc/filetype.txt
+++ b/runtime/doc/filetype.txt
@@ -1,4 +1,4 @@
-*filetype.txt* For Vim version 9.1. Last change: 2025 Feb 20
+*filetype.txt* For Vim version 9.1. Last change: 2025 Feb 25
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -744,12 +744,21 @@ Add following lines to $HOME/.vim/ftplugin/json.vim: >
import autoload 'dist/json.vim'
setl formatexpr=json.FormatExpr()
-LUA *ft-lua-plugin*
+LUA *ft-lua-plugin* *g:lua_folding*
You can enable folding of Lua functions using |fold-expr| by: >
let g:lua_folding = 1
+< *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 d8c4b08ea..c4d7afc5f 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt* For Vim version 9.1. Last change: 2025 Feb 23
+*syntax.txt* For Vim version 9.1. Last change: 2025 Feb 25
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -2343,13 +2343,9 @@ 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/doc/tags b/runtime/doc/tags
index 410807eac..49a849ef8 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -7625,6 +7625,9 @@ g:html_use_input_for_pc syntax.txt
/*g:html_use_input_for_pc*
g:html_use_xhtml syntax.txt /*g:html_use_xhtml*
g:html_whole_filler syntax.txt /*g:html_whole_filler*
g:lf_shell_syntax syntax.txt /*g:lf_shell_syntax*
+g:lua_folding filetype.txt /*g:lua_folding*
+g:lua_subversion filetype.txt /*g:lua_subversion*
+g:lua_version filetype.txt /*g:lua_version*
g:markdown_fenced_languages syntax.txt /*g:markdown_fenced_languages*
g:markdown_minlines syntax.txt /*g:markdown_minlines*
g:markdown_syntax_conceal syntax.txt /*g:markdown_syntax_conceal*
diff --git a/runtime/ftplugin/lua.vim b/runtime/ftplugin/lua.vim
index 22b998627..9687d55e9 100644
--- a/runtime/ftplugin/lua.vim
+++ b/runtime/ftplugin/lua.vim
@@ -5,13 +5,24 @@
" Contributor: Dorai Sitaram <d...@gte.com>
" C.D. MacEachern <craig.daniel.maceach...@gmail.com>
" Tyler Miller <tmi...@proton.me>
-" Last Change: 2024 Dec 03
+" Ph廕《 B穫nh An <phambinhanctb2...@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 +32,11 @@ setlocal formatoptions-=t formatoptions+=croql
let &l:define = '\<function\|\<local\%(\s\+function\)\='
-" TODO: handle init.lua
-setlocal includeexpr=tr(v:fname,'.','/')
+let &l:include = ' <((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
@@ -75,7 +86,19 @@ let s:patterns = [
\ ['local\s+function\s+.+', 'end'],
\ ]
-function! LuaFold(lnum) abort
+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
+
+function LuaFold(lnum) abort
if b:lua_lasttick == b:changedtick
return b:lua_foldlists[a:lnum-1]
endif
diff --git a/runtime/syntax/lua.vim b/runtime/syntax/lua.vim
index 9c5a49058..f5851d024 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
--
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