runtime(vim): make &indentexpr available from the outside

closes: #14936

Signed-off-by: Christian Brabandt <cb@256bit.org>

diff --git a/runtime/indent/vim.vim b/runtime/indent/vim.vim
index 97a4a3662d2df462082aba613e2cb598897c2da5..c95a76dd4ea52f659a4e976d2e2482959ec4b2b2 100644 (file)
--- a/runtime/indent/vim.vim
+++ b/runtime/indent/vim.vim
@@ -3,7 +3,7 @@ vim9script
 # Vim indent file
 # Language:    Vim script
 # Maintainer:  The Vim Project <https://github.com/vim/vim>
-# Last Change: 2023 Aug 10
+# Last Change: 2024 Jul 12
 # Former Maintainer:   Bram Moolenaar <Bram@vim.org>
 
 # Only load this indent file when no other was loaded.
@@ -16,7 +16,9 @@ b:undo_indent = 'setlocal indentkeys< indentexpr<'
 
 import autoload '../autoload/dist/vimindent.vim'
 
-setlocal indentexpr=vimindent.Expr()
+# export indentexpr as a global function, so it can be easily manipulated by plugins
+g:VimIndent = vimindent.Expr
+setlocal indentexpr=g:VimIndent()
 setlocal indentkeys+==endif,=enddef,=endfu,=endfor,=endwh,=endtry,=endclass,=endinterface,=endenum,=},=else,=cat,=finall,=END,0\\
 execute('setlocal indentkeys+=0=\"\\\ ,0=#\\\ ')
 setlocal indentkeys-=0#