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Diffstat (limited to 'uvim/runtime/syntax/m4.vim')
| -rw-r--r-- | uvim/runtime/syntax/m4.vim | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/uvim/runtime/syntax/m4.vim b/uvim/runtime/syntax/m4.vim deleted file mode 100644 index c993e5864c..0000000000 --- a/uvim/runtime/syntax/m4.vim +++ /dev/null @@ -1,105 +0,0 @@ -" Vim syntax file -" Language: M4 -" Maintainer: Claudio Fleiner (claudio@fleiner.com) -" Last Change: 2022 Jun 12 -" 2025 Sep 2 by Vim project: fix a few syntax issues #18192 -" 2025 Sep 5 by Vim project: introduce m4Disabled region #18200 -" 2025 Sep 6 by Vim project: remove m4Function heuristics #18211 -" 2025 Sep 6 by Vim project: remove m4Type and m4Function #18223 -" 2025 Sep 15 by Vim project: highlight m4Parameters #18306 - -" quit when a syntax file was already loaded -if !exists("main_syntax") - if exists("b:current_syntax") - finish - endif - " we define it here so that included files can test for it - let main_syntax='m4' -endif - -" Reference: The Open Group Base Specifications, M4 -" https://pubs.opengroup.org/onlinepubs/9799919799/ - -" Early definition of a cluster -syn cluster m4Top contains=NONE - -" Quoting in M4: -" – Quotes are nestable; -" – The delimiters can be redefined with changequote(); here we only handle -" the default pair: ` ... '; -" – Quoted text in M4 is rescanned, not treated as a literal string. -" Therefore the region is marked transparent so contained items retain -" their normal highlighting. -syn region m4Quoted - \ matchgroup=m4QuoteDelim - \ start=+`+ - \ end=+'+ - \ contains=@m4Top - \ transparent -syn cluster m4Top add=m4Quoted - -" Comments in M4: -" – According to the Open Group Base Specification, comments start with -" a <number-sign> (#) and end at <newline>, unless redefined with changecom(). -" We only handle the default here. -" – Comments in M4 are not like in most languages: they do not remove the text, -" they simply prevent any macros from being expanded, while the text remains -" in the output. This region therefore disables any other matches. -" – Comments themselves are disabled when quoted. -syn region m4Disabled start=+#+ end=+$+ containedin=ALLBUT,m4Quoted,m4ParamCount - -" 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. - -" Parameters in M4: -" $0 = macro name; $1..$9 = positional (single digit only); $# = count; -" $* = args comma-joined; $@ = args quoted+comma; "${" = unspecified. -syn match m4ParamZero contained "\$0" -syn match m4ParamPos contained "\$[1-9]" -syn match m4ParamCount contained "\$#" -syn match m4ParamAll contained "\$[@*]" -syn match m4ParamBad contained '\${' -syn cluster m4Top add=m4ParamZero,m4ParamPos,m4ParamCount,m4ParamAll,m4ParamBad - -" define the rest of M4 syntax -syn match m4Comment "\<\(m4_\)\=dnl\>.*" contains=SpellErrors -syn match m4Constants "\<\(m4_\)\=__file__" -syn match m4Constants "\<\(m4_\)\=__line__" -syn keyword m4Constants divnum sysval m4_divnum m4_sysval -syn region m4Paren matchgroup=m4Delimiter start="(" end=")" contained contains=@m4Top -syn region m4Command matchgroup=m4Define start="\<\(m4_\)\=\(define\|defn\|pushdef\)(" end=")" contains=@m4Top -syn region m4Command matchgroup=m4Preproc start="\<\(m4_\)\=\(include\|sinclude\)("he=e-1 end=")" contains=@m4Top -syn region m4Command matchgroup=m4Statement start="\<\(m4_\)\=\(syscmd\|esyscmd\|ifdef\|ifelse\|indir\|builtin\|shift\|errprint\|m4exit\|changecom\|changequote\|changeword\|m4wrap\|debugfile\|divert\|undivert\)("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 region m4Command matchgroup=m4Define start="\<\(m4_\)\=\(undefine\|popdef\)("he=e-1 end=")" contains=@m4Top -syn cluster m4Top add=m4Comment,m4Constants,m4Paren,m4Command,m4Statement - -" Define the default highlighting. -" Only when an item doesn't have highlighting yet -hi def link m4QuoteDelim Delimiter -hi def link m4Delimiter Delimiter -hi def link m4Comment Comment -hi def link m4ParamZero Macro -hi def link m4ParamPos Special -hi def link m4ParamCount Keyword -hi def link m4ParamAll Keyword -hi def link m4ParamBad Error -hi def link m4Keyword Keyword -hi def link m4Define Define -hi def link m4Statement Statement -hi def link m4Preproc PreProc -hi def link m4Constants Constant -hi def link m4Builtin Statement - -let b:current_syntax = "m4" - -if main_syntax == 'm4' - unlet main_syntax -endif - -" vim: ts=4 |