Commit: runtime(vim): Update base-syntax, improve function definition matching

[Christian Brabandt]

runtime(vim): Update base-syntax, improve function definition matching

Commit: https://github.com/vim/vim/commit/51289207f81772592a5a34f1576f2aeb7d5530b7
Author: Doug Kearns <dougk...@gmail.com>
Date: Wed Jun 11 21:16:14 2025 +0200

runtime(vim): Update base-syntax, improve function definition matching

- Fix highlighting of function names including /fu\%[nction]/ (E.g.,
s:func(), foo.fu(), fu.func())
- Match :delfunction argument.

Reported by Aliaksei Budavei.

closes: #17428

Signed-off-by: Doug Kearns <dougk...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/syntax/generator/gen_syntax_vim.vim b/runtime/syntax/generator/gen_syntax_vim.vim
index e42897f83..3a77637f6 100644
--- a/runtime/syntax/generator/gen_syntax_vim.vim
+++ b/runtime/syntax/generator/gen_syntax_vim.vim
@@ -1,7 +1,7 @@
" Vim syntax file generator
" Language: Vim script
" Maintainer: Hirohito Higashi (h_east)
-" Last Change: 2025 Jun 01
+" Last Change: 2025 Jun 11

let s:keepcpo= &cpo
set cpo&vim
@@ -265,6 +265,7 @@ function s:get_vim_command_type(cmd_name)
debuggreedy
def
delcommand
+ delfunction
doautoall
doautocmd
echo
diff --git a/runtime/syntax/generator/vim.vim.base b/runtime/syntax/generator/vim.vim.base
index b94c5bed7..dbe2ab6ac 100644
--- a/runtime/syntax/generator/vim.vim.base
+++ b/runtime/syntax/generator/vim.vim.base
@@ -2,7 +2,7 @@
" Language: Vim script
" Maintainer: Hirohito Higashi <h.east.727 ATMARK gmail.com>
" Doug Kearns <dougk...@gmail.com>
-" Last Change: 2025 Jun 08
+" Last Change: 2025 Jun 11
" Former Maintainer: Charles E. Campbell

" DO NOT CHANGE DIRECTLY.
@@ -233,7 +233,7 @@ syn match vimNumber '\<0z\%(\x\x\)\+\%(\.\%(\x\x\)\+\)*' skipwhite nextgroup=@vi
syn case match

" All vimCommands are contained by vimIsCommand. {{{2
-syn cluster vimCmdList contains=vimAbb,vimAddress,vimAutocmd,vimAugroup,vimBehave,vimCall,vimCatch,vimConst,vimDoautocmd,vimDebuggreedy,vimDef,vimDefFold,vimDelcommand,@vimEcho,vimElse,vimEnddef,vimEndfunction,vimEndif,vimExecute,vimIsCommand,vimExtCmd,vimExFilter,vimExMark,vimFor,vimFunction,vimFuncFold,vimGrep,vimGrepAdd,vimGlobal,vimHelpgrep,vimHighlight,vimImport,vimLet,vimLoadkeymap,vimLockvar,vimMake,vimMap,vimMark,vimMatch,vimNotFunc,vimNormal,vimProfdel,vimProfile,vimRedir,vimSet,vimSleep,vimSort,vimSyntax,vimThrow,vimUnlet,vimUnlockvar,vimUnmap,vimUserCmd,vimVimgrep,vimVimgrepadd,vimMenu,vimMenutranslate,@vim9CmdList,@vimExUserCmdList,vimLua,vimMzScheme,vimPerl,vimPython,vimPython3,vimPythonX,vimRuby,vimTcl
+syn cluster vimCmdList contains=vimAbb,vimAddress,vimAutocmd,vimAugroup,vimBehave,vimCall,vimCatch,vimConst,vimDoautocmd,vimDebuggreedy,vimDef,vimDefFold,vimDelcommand,vimDelFunction,@vimEcho,vimElse,vimEnddef,vimEndfunction,vimEndif,vimExecute,vimIsCommand,vimExtCmd,vimExFilter,vimExMark,vimFor,vimFunction,vimFunctionFold,vimGrep,vimGrepAdd,vimGlobal,vimHelpgrep,vimHighlight,vimImport,vimLet,vimLoadkeymap,vimLockvar,vimMake,vimMap,vimMark,vimMatch,vimNotFunc,vimNormal,vimProfdel,vimProfile,vimRedir,vimSet,vimSleep,vimSort,vimSyntax,vimThrow,vimUnlet,vimUnlockvar,vimUnmap,vimUserCmd,vimVimgrep,vimVimgrepadd,vimMenu,vimMenutranslate,@vim9CmdList,@vimExUserCmdList,vimLua,vimMzScheme,vimPerl,vimPython,vimPython3,vimPythonX,vimRuby,vimTcl
syn cluster vim9CmdList contains=vim9Abstract,vim9Class,vim9Const,vim9Enum,vim9Export,vim9Final,vim9For,vim9Interface,vim9Type,vim9Var
syn match vimCmdSep "\\@1<!|" skipwhite nextgroup=@vimCmdList,vimSubst1,vimFunc
syn match vimCmdSep ":\+" skipwhite nextgroup=@vimCmdList,vimSubst1
@@ -424,7 +424,7 @@ syn region vimLambda contained
\ skip=+
\s*\%(\\|"\ \)+
\ end="}" end="$"
\ contains=@vimContinue,@vimExprList,vimLambdaParams
-syn match vimLambdaParams contained "\%({
\=\)\@1<=\_.\{-}\%(->\)\@=" nextgroup=vimLambdaOperator contains=@vimContinue,vimFuncParam
+syn match vimLambdaParams contained "\%({
\=\)\@1<=\_.\{-}\%(->\)\@=" nextgroup=vimLambdaOperator contains=@vimContinue,vimFunctionParam

syn match vim9LambdaOperator contained "=>" skipwhite skipempty nextgroup=@vimExprList,vim9LambdaBlock,vim9LambdaOperatorComment
syn match vim9LambdaParen contained "[()]"
@@ -439,56 +439,98 @@ syn match vim9LambdaOperatorComment contained "#.*" skipwhite skipempty nextgrou

" Functions: Tag is provided for those who wish to highlight tagged functions {{{2
" =========
-syn cluster vimFuncList contains=vimFuncBang,vimFunctionError,vimFuncKey,vimFuncScope,vimFuncSID,Tag
-syn cluster vimDefList contains=vimFuncBang,vimFunctionError,vimDefKey,vimFuncScope,vimFuncSID,Tag
+syn cluster vimFunctionBodyCommon contains=@vimCmdList,vimCmplxRepeat,vimContinue,vimCtrlChar,vimDef,vimFBVar,vimFunc,vimFunction,vimNotFunc,vimNumber,vimOper,vimOperParen,vimRegister,vimSpecFile,vimString,vimSubst,vimFunctionFold,vimDefFold,vimCmdSep
+syn cluster vimFunctionBodyList contains=@vimFunctionBodyCommon,vimComment,vimLineComment,vimInsert,vimConst,vimLet,vimSearch
+syn cluster vimDefBodyList contains=@vimFunctionBodyCommon,vim9Comment,vim9LineComment,vim9Block,vim9Const,vim9Final,vim9Var,vim9Null,vim9Boolean,vim9For,vim9LhsVariable,vim9LhsVariableList,vim9LhsRegister,vim9Search,@vimSpecialVar

-syn cluster vimFuncBodyCommon contains=@vimCmdList,vimCmplxRepeat,vimContinue,vimCtrlChar,vimDef,vimFBVar,vimFunc,vimFunction,vimNotFunc,vimNumber,vimOper,vimOperParen,vimRegister,vimSpecFile,vimString,vimSubst,vimFuncFold,vimDefFold
-syn cluster vimFuncBodyList contains=@vimFuncBodyCommon,vimComment,vimLineComment,vimInsert,vimConst,vimLet,vimSearch
-syn cluster vimDefBodyList contains=@vimFuncBodyCommon,vim9Comment,vim9LineComment,vim9Block,vim9Const,vim9Final,vim9Var,vim9Null,vim9Boolean,vim9For,vim9LhsVariable,vim9LhsVariableList,vim9LhsRegister,vim9Search,@vimSpecialVar
-
-syn region vimFuncPattern contained matchgroup=vimOper start="/" end="$" contains=@vimSubstList
-syn match vimFunction "\<fu\%[nction]\>" skipwhite nextgroup=vimCmdSep,vimComment,vimFuncPattern contains=vimFuncKey
-syn match vimDef "\<def\>" skipwhite nextgroup=vimCmdSep,vimComment,vimFuncPattern contains=vimDefKey
-
-syn match vimFunction "\<fu\%[nction]\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+" contains=@vimFuncList skipwhite nextgroup=vimFuncParams
-syn match vimDef "\<def\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+" contains=@vimDefList nextgroup=vimDefParams
+syn region vimFunctionPattern contained
+ \ matchgroup=vimOper
+ \ start="/"
+ \ end="$"
+ \ contains=@vimSubstList

-syn region vimFuncComment contained
+syn match vimFunctionBang contained " \@1<=!" skipwhite nextgroup=vimFunctionName
+syn match vimDefBang contained " \@1<=!" skipwhite nextgroup=vimDefName
+syn match vimFunctionSID contained "