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Diffstat (limited to 'runtime/syntax/m4.vim')
| -rw-r--r-- | runtime/syntax/m4.vim | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/runtime/syntax/m4.vim b/runtime/syntax/m4.vim new file mode 100644 index 0000000..f90197a --- /dev/null +++ b/runtime/syntax/m4.vim @@ -0,0 +1,62 @@ +" Vim syntax file +" Language: M4 +" Maintainer: Claudio Fleiner (claudio@fleiner.com) +" URL: http://www.fleiner.com/vim/syntax/m4.vim +" (outdated) +" Last Change: 2022 Jun 12 + +" This file will highlight user function calls if they use only +" capital letters and have at least one argument (i.e. the '('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 +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 + +" define the m4 syntax +syn match m4Variable contained "\$\d\+" +syn match m4Special contained "$[@*#]" +syn match m4Comment "\<\(m4_\)\=dnl\>.*" contains=SpellErrors +syn match m4Comment "#.*" 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=m4Function 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=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 region m4String start="`" end="'" contains=SpellErrors +syn cluster m4Top contains=m4Comment,m4Constants,m4Special,m4Variable,m4String,m4Paren,m4Command,m4Statement,m4Function + +" Define the default highlighting. +" Only when an item doesn't have highlighting yet +hi def link m4Delimiter Delimiter +hi def link m4Comment Comment +hi def link m4Function Function +hi def link m4Keyword Keyword +hi def link m4Special Special +hi def link m4String String +hi def link m4Statement Statement +hi def link m4Preproc PreProc +hi def link m4Type Type +hi def link m4Special Special +hi def link m4Variable Special +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 |