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runtime(m4): Remove m4Function

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closes: #18211

Signed-off-by: Damien Lejay <damien@lejay.be>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Damien Lejay
2025-09-06 15:16:06 +02:00
committed by Christian Brabandt
parent 58c5a77870
commit efb913a4f5
1 changed files with 9 additions and 7 deletions
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16
runtime/syntax/m4.vim
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@ -4,10 +4,7 @@
" Last Change: 2022 Jun 12 " Last Change: 2022 Jun 12
" 2025 Sep 2 by Vim project: fix a few syntax issues #18192 " 2025 Sep 2 by Vim project: fix a few syntax issues #18192
" 2025 Sep 5 by Vim project: introduce m4Disabled region #18200 " 2025 Sep 5 by Vim project: introduce m4Disabled region #18200
" 2025 Sep 6 by Vim project: remove m4Function heuristics #18211
" This file will highlight user function calls if they use only
" capital letters and have at least one argument (i.e. the '('
" must be there). Let me know if this is a problem.
" quit when a syntax file was already loaded " quit when a syntax file was already loaded
if !exists("main_syntax") if !exists("main_syntax")
@ -45,6 +42,13 @@ syn region m4Quoted
" – Comments themselves are disabled when quoted. " – Comments themselves are disabled when quoted.
syn region m4Disabled start=+#+ end=+$+ containedin=ALLBUT,m4Quoted syn region m4Disabled start=+#+ end=+$+ containedin=ALLBUT,m4Quoted
" Macros in M4:
" – Name tokens consist of the longest possible sequence of letters, digits,
" and underscores, where the first character is not a digit.
" – In GNU M4, this can be altered with changeword().
" – Any name token may be defined as a macro and quoting prevents expansion.
" Thus correct highlighting requires running M4.
" define the m4 syntax " define the m4 syntax
syn match m4Variable contained "\$\d\+" syn match m4Variable contained "\$\d\+"
syn match m4Special contained "$[@*#]" syn match m4Special contained "$[@*#]"
@ -59,15 +63,13 @@ syn region m4Command matchgroup=m4Statement start="\<\(m4_\)\=\(syscmd\|esyscmd
syn region m4Command matchgroup=m4Builtin start="\<\(m4_\)\=\(len\|index\|regexp\|substr\|translit\|patsubst\|format\|incr\|decr\|eval\|maketemp\)("he=e-1 end=")" contains=@m4Top syn region m4Command matchgroup=m4Builtin start="\<\(m4_\)\=\(len\|index\|regexp\|substr\|translit\|patsubst\|format\|incr\|decr\|eval\|maketemp\)("he=e-1 end=")" contains=@m4Top
syn keyword m4Statement divert undivert syn keyword m4Statement divert undivert
syn region m4Command matchgroup=m4Type start="\<\(m4_\)\=\(undefine\|popdef\)("he=e-1 end=")" contains=@m4Top syn region m4Command matchgroup=m4Type start="\<\(m4_\)\=\(undefine\|popdef\)("he=e-1 end=")" contains=@m4Top
syn region m4Function matchgroup=m4Type start="\<[_A-Z][_A-Z0-9]*("he=e-1 end=")" contains=@m4Top syn cluster m4Top contains=m4Comment,m4Constants,m4Special,m4Variable,m4Paren,m4Command,m4Statement,m4Quoted
syn cluster m4Top contains=m4Comment,m4Constants,m4Special,m4Variable,m4Paren,m4Command,m4Statement,m4Function,m4Quoted
" Define the default highlighting. " Define the default highlighting.
" Only when an item doesn't have highlighting yet " Only when an item doesn't have highlighting yet
hi def link m4QuoteDelim Delimiter hi def link m4QuoteDelim Delimiter
hi def link m4Delimiter Delimiter hi def link m4Delimiter Delimiter
hi def link m4Comment Comment hi def link m4Comment Comment
hi def link m4Function Function
hi def link m4Keyword Keyword hi def link m4Keyword Keyword
hi def link m4Special Special hi def link m4Special Special
hi def link m4Statement Statement hi def link m4Statement Statement