From 9788b81d7e53e7ad1ca9db249d86e43426ce56c2 Mon Sep 17 00:00:00 2001
From: Christian Clason <c.clason@uni-graz.at>
Date: Sat, 5 Oct 2024 13:11:16 +0200
Subject: [PATCH] fix(runtime): fully port emoji_list to Lua

Problem: `runtime/tools/emoji_list.vim` is a Lua script masquerading as
Vimscript, which is unnecessary now that `:source` works for Lua files.

Solution: Remove Vimscript wrapper.
---
 runtime/doc/builtin.txt         |  2 +-
 runtime/lua/vim/_meta/vimfn.lua |  2 +-
 runtime/tools/emoji_list.lua    | 19 +++++++++++++++++++
 runtime/tools/emoji_list.vim    | 21 ---------------------
 src/nvim/eval.lua               |  2 +-
 5 files changed, 22 insertions(+), 24 deletions(-)
 create mode 100644 runtime/tools/emoji_list.lua
 delete mode 100644 runtime/tools/emoji_list.vim

diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index d76cf96762..fe186466e9 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -6627,7 +6627,7 @@ setcellwidths({list})                                          *setcellwidths()*
 		To clear the overrides pass an empty {list}: >vim
 		   call setcellwidths([])
 
-<		You can use the script $VIMRUNTIME/tools/emoji_list.vim to see
+<		You can use the script $VIMRUNTIME/tools/emoji_list.lua to see
 		the effect for known emoji characters.  Move the cursor
 		through the text to check if the cell widths of your terminal
 		match with what Vim knows about each emoji.  If it doesn't
diff --git a/runtime/lua/vim/_meta/vimfn.lua b/runtime/lua/vim/_meta/vimfn.lua
index 649805f447..3eb2f2382d 100644
--- a/runtime/lua/vim/_meta/vimfn.lua
+++ b/runtime/lua/vim/_meta/vimfn.lua
@@ -7904,7 +7904,7 @@ function vim.fn.setbufvar(buf, varname, val) end
 --- To clear the overrides pass an empty {list}: >vim
 ---    call setcellwidths([])
 ---
---- <You can use the script $VIMRUNTIME/tools/emoji_list.vim to see
+--- <You can use the script $VIMRUNTIME/tools/emoji_list.lua to see
 --- the effect for known emoji characters.  Move the cursor
 --- through the text to check if the cell widths of your terminal
 --- match with what Vim knows about each emoji.  If it doesn't
diff --git a/runtime/tools/emoji_list.lua b/runtime/tools/emoji_list.lua
new file mode 100644
index 0000000000..63bbbe4371
--- /dev/null
+++ b/runtime/tools/emoji_list.lua
@@ -0,0 +1,19 @@
+-- Script to fill the window with emoji characters, one per line.
+-- Source this script: :source %
+
+if vim.bo.modified then
+  vim.cmd.new()
+else
+  vim.cmd.enew()
+end
+
+local lnum = 1
+for c = 0x100, 0x1ffff do
+  local cs = vim.fn.nr2char(c)
+  if vim.fn.charclass(cs) == 3 then
+    vim.fn.setline(lnum, string.format('|%s| %d', cs, vim.fn.strwidth(cs)))
+    lnum = lnum + 1
+  end
+end
+
+vim.bo.modified = false
diff --git a/runtime/tools/emoji_list.vim b/runtime/tools/emoji_list.vim
deleted file mode 100644
index c335b8c88f..0000000000
--- a/runtime/tools/emoji_list.vim
+++ /dev/null
@@ -1,21 +0,0 @@
-" Script to fill the window with emoji characters, one per line.
-" Source this script: :source %
-
-if &modified
-  new
-else
-  enew
-endif
-
-lua << EOF
-  local lnum = 1
-  for c = 0x100, 0x1ffff do
-    local cs = vim.fn.nr2char(c)
-    if vim.fn.charclass(cs) == 3 then
-      vim.fn.setline(lnum, '|' .. cs .. '| ' .. vim.fn.strwidth(cs))
-      lnum = lnum + 1
-    end
-  end
-EOF
-
-set nomodified
diff --git a/src/nvim/eval.lua b/src/nvim/eval.lua
index 4545ad1149..f1615fc069 100644
--- a/src/nvim/eval.lua
+++ b/src/nvim/eval.lua
@@ -9464,7 +9464,7 @@ M.funcs = {
       To clear the overrides pass an empty {list}: >vim
          call setcellwidths([])
 
-      <You can use the script $VIMRUNTIME/tools/emoji_list.vim to see
+      <You can use the script $VIMRUNTIME/tools/emoji_list.lua to see
       the effect for known emoji characters.  Move the cursor
       through the text to check if the cell widths of your terminal
       match with what Vim knows about each emoji.  If it doesn't