From 918592cdc63bab9f3a0f9e77638ea414eac326a4 Mon Sep 17 00:00:00 2001
From: Caleb Maclennan <caleb@alerque.com>
Date: Thu, 29 Jul 2021 16:49:12 +0300
Subject: [PATCH] Add warning messages to deprecated function calls

---
 plugin/nerdcommenter.vim | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/plugin/nerdcommenter.vim b/plugin/nerdcommenter.vim
index 13db9cc..0bc51eb 100644
--- a/plugin/nerdcommenter.vim
+++ b/plugin/nerdcommenter.vim
@@ -42,6 +42,7 @@ call s:InitVariable('g:NERDDefaultAlign', 'none')
 call s:InitVariable('g:NERDTrimTrailingWhitespace', 0)
 call s:InitVariable('g:NERDToggleCheckAllLines', 0)
 call s:InitVariable('g:NERDDisableTabsInBlockComm', 0)
+call s:InitVariable('g:NERDSuppressWarnings', 0)
 
 " Section: Comment mapping and menu item setup
 " ===========================================================================
@@ -100,14 +101,23 @@ call s:CreateMaps('',   ':help NERDCommenterContents<CR>', 'Help', '')
 
 " Shim functions so old code gets passed through to the autoload functions
 function! NERDComment(mode, type)
+    if !g:NERDSuppressWarnings
+        echom "Function NERDComment() has been deprecated, please use nerdcommenter#Comment() instead"
+    endif
     return nerdcommenter#Comment(a:mode, a:type)
 endfunction
 
 function! NERDCommentIsLineCommented(lineNo)
+    if !g:NERDSuppressWarnings
+        echom "Function NERDCommentIsLineCommented() has been deprecated, please use nerdcommenter#IsLineCommented() instead"
+    endif
     return nerdcommenter#IsLineCommented(a:lineNo)
 endfunction
 
 function! NERDCommentIsCharCommented(line, col)
+    if !g:NERDSuppressWarnings
+        echom "Function NERDCommentIsCharCommented() has been deprecated, please use nerdcommenter#IsCharCommented() instead"
+    endif
     return nerdcommenter#IsCharCommented(a:line, a:col)
 endfunction