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annotate runtime/syntax/m4.vim @ 23429:de278e062eb6

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Added tag v8.2.2257 for changeset 5807e3958e3898e21dced2fae52a15c9aa00ef57
author Bram Moolenaar <Bram@vim.org>
date Thu, 31 Dec 2020 21:30:04 +0100
parents 46763b01cd9a
children c58baa6d6dda
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1 " Vim syntax file
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2 " Language: M4
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3 " Maintainer: Claudio Fleiner (claudio@fleiner.com)
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4 " URL: http://www.fleiner.com/vim/syntax/m4.vim
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5 " Last Change: 2005 Jan 15
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6
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7 " This file will highlight user function calls if they use only
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8 " capital letters and have at least one argument (i.e. the '('
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9 " must be there). Let me know if this is a problem.
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10
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11 " quit when a syntax file was already loaded
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12 if !exists("main_syntax")
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13 if exists("b:current_syntax")
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14 finish
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15 endif
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16 " we define it here so that included files can test for it
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17 let main_syntax='m4'
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18 endif
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19
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20 " define the m4 syntax
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21 syn match m4Variable contained "\$\d\+"
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22 syn match m4Special contained "$[@*#]"
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23 syn match m4Comment "\<\(m4_\)\=dnl\>.*" contains=SpellErrors
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24 syn match m4Constants "\<\(m4_\)\=__file__"
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25 syn match m4Constants "\<\(m4_\)\=__line__"
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26 syn keyword m4Constants divnum sysval m4_divnum m4_sysval
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27 syn region m4Paren matchgroup=m4Delimiter start="(" end=")" contained contains=@m4Top
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28 syn region m4Command matchgroup=m4Function start="\<\(m4_\)\=\(define\|defn\|pushdef\)(" end=")" contains=@m4Top
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29 syn region m4Command matchgroup=m4Preproc start="\<\(m4_\)\=\(include\|sinclude\)("he=e-1 end=")" contains=@m4Top
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30 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
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31 syn region m4Command matchgroup=m4builtin start="\<\(m4_\)\=\(len\|index\|regexp\|substr\|translit\|patsubst\|format\|incr\|decr\|eval\|maketemp\)("he=e-1 end=")" contains=@m4Top
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32 syn keyword m4Statement divert undivert
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33 syn region m4Command matchgroup=m4Type start="\<\(m4_\)\=\(undefine\|popdef\)("he=e-1 end=")" contains=@m4Top
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34 syn region m4Function matchgroup=m4Type start="\<[_A-Z][_A-Z0-9]*("he=e-1 end=")" contains=@m4Top
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35 syn region m4String start="`" end="'" contained contains=@m4Top,@m4StringContents,SpellErrors
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36 syn cluster m4Top contains=m4Comment,m4Constants,m4Special,m4Variable,m4String,m4Paren,m4Command,m4Statement,m4Function
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37
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38 " Define the default highlighting.
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39 " Only when an item doesn't have highlighting yet
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40 hi def link m4Delimiter Delimiter
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41 hi def link m4Comment Comment
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42 hi def link m4Function Function
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43 hi def link m4Keyword Keyword
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44 hi def link m4Special Special
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45 hi def link m4String String
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46 hi def link m4Statement Statement
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47 hi def link m4Preproc PreProc
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48 hi def link m4Type Type
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49 hi def link m4Special Special
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50 hi def link m4Variable Special
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51 hi def link m4Constants Constant
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52 hi def link m4Builtin Statement
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53
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54 let b:current_syntax = "m4"
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55
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56 if main_syntax == 'm4'
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57 unlet main_syntax
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58 endif
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59
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60 " vim: ts=4