Commit: runtime(termdebug): properly check mapping variables using null_dict

[Christian Brabandt]

runtime(termdebug): properly check mapping variables using null_dict

Commit: https://github.com/vim/vim/commit/a5af73ae347f9d562524fbcfea3eb5cfeecefa46
Author: shane.xb.qian <shane...@foxmail.com>
Date: Sun Jun 16 16:43:44 2024 +0200

runtime(termdebug): properly check mapping variables using null_dict

closes: https://github.com/vim/vim/issues/15013

Signed-off-by: shane.xb.qian <shane...@foxmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim b/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
index 5bde69a44..d24ae578c 100644
--- a/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
+++ b/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
@@ -4,7 +4,7 @@ vim9script

# Author: Bram Moolenaar
# Copyright: Vim license applies, see ":help license"
-# Last Change: 2024 Jun 14
+# Last Change: 2024 Jun 16
# Converted to Vim9: Ubaldo Tiberi <ubaldo...@gmail.com>

# WORK IN PROGRESS - The basics works stable, more to come
@@ -194,9 +194,9 @@ def InitScriptVariables()

winbar_winids = []

- k_map_saved = {}
- plus_map_saved = {}
- minus_map_saved = {}
+ k_map_saved = null_dict
+ plus_map_saved = null_dict
+ minus_map_saved = null_dict

if has('menu')
saved_mousemodel = null_string
@@ -1232,32 +1232,38 @@ def DeleteCommands()
delcommand Var
delcommand Winbar

- if exists('k_map_saved')
- if !empty(k_map_saved) && !k_map_saved.buffer
+ if k_map_saved isnot null_dict
+ if !empty(k_map_saved) && k_map_saved.buffer
+ # pass
+ elseif !empty(k_map_saved) && !k_map_saved.buffer
nunmap K
mapset(k_map_saved)
elseif empty(k_map_saved)
- nunmap K
+ silent! nunmap K
endif
- k_map_saved = {}
+ k_map_saved = null_dict
endif
- if exists('plus_map_saved')
- if !empty(plus_map_saved) && !plus_map_saved.buffer
+ if plus_map_saved isnot null_dict
+ if !empty(plus_map_saved) && plus_map_saved.buffer
+ # pass
+ elseif !empty(plus_map_saved) && !plus_map_saved.buffer
nunmap +
mapset(plus_map_saved)
elseif empty(plus_map_saved)
- nunmap +
+ silent! nunmap +
endif
- plus_map_saved = {}
+ plus_map_saved = null_dict
endif
- if exists('minus_map_saved')
- if !empty(minus_map_saved) && !minus_map_saved.buffer
+ if minus_map_saved isnot null_dict
+ if !empty(minus_map_saved) && minus_map_saved.buffer
+ # pass
+ elseif !empty(minus_map_saved) && !minus_map_saved.buffer
nunmap -
mapset(minus_map_saved)
elseif empty(minus_map_saved)
- nunmap -
+ silent! nunmap -
endif
- minus_map_saved = {}
+ minus_map_saved = null_dict
endif

if has('menu')