From 467ba11bc9e33dfe6463d11fc40fbb296cec3dfc Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Thu, 17 Sep 2020 15:22:40 +0900
Subject: Update .vimrc: add :Reverse command

---
 .vimrc | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/.vimrc b/.vimrc
index 1df1a4e..0934775 100644
--- a/.vimrc
+++ b/.vimrc
@@ -1074,6 +1074,8 @@ inoreabbrev  tihs  this
 
 " Commands {{{1
 
+" Set 'makeprg' to `ninja` if `build.ninja` exists in the current working
+" directory. Then, execute :make command.
 command! -bang -bar -nargs=*
     \ Make
     \ if filereadable('build.ninja') |
@@ -1082,6 +1084,21 @@ command! -bang -bar -nargs=*
     \ make<bang> <args>
 
 
+" The current search pattern will not changed by :global in a user function.
+" See :Reverse's comment below.
+function! s:reverse_lines(from, to) abort
+    execute printf("%d,%dg/^/m%d", a:from, a:to, a:from - 1)
+endfunction
+
+" Reverse a selected range in line-wise.
+" Note: directly calling `g/^/m` will overwrite the current search pattern with
+" '^' and highlight it, which is not expected.
+" :h autocmd-searchpat
+" :h :nohlsearch
+command! -bar -range=%
+    \ Reverse
+    \ call <SID>reverse_lines(<line1>, <line2>)
+
 
 
 
-- 
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