" Copyright (C) 2012-2018 Free Software Foundation, Inc.
"
" Copying and distribution of this file, with or without modification,
" are permitted in any medium without royalty provided the copyright
" notice and this notice are preserved.
" Vim syntax file
" Language: mom
" Maintainer: Peter Schaffter (peter@schaffter.ca)
" Last Change: So 06 Mär 2005 17:28:13 CET
" Filenames: *.mom
" URL: http://www.cvjb.de/comp/vim/mom.vim
" Note: Remove or overwrite troff syntax for *.mom-files with filetype/filedetect.
" Version: 0.1
"
" Mom: Macro set for easy typesetting with troff/nroff/groff.
" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif
" Mom is case sensitive
syn case match
" Synchronization, I know it is a huge number, but normal texts can be
" _very_ long ;-)
syn sync lines=1000
" Characters allowed in keywords
if version >= 600
setlocal iskeyword=@,#,$,%,48-57,.,@-@,_,\\,{,},192-255
else
set iskeyword=@,#,$,%,48-57,.,@-@,_,\\,{,},192-255
endif
" mom/groff macros and requests (the initial dot or single-quote)
"
" Highlighting carries through to EOL; macro names, requests and
" arguments are contained
syn match startRequest /^\s*\(\.\|'\)\s*.*$/ contains=momMacro,groffCommentLine,groffRequest,momRegister,groffNoLineBreak,momInteger,groffUnit,momString,momSpecialParam,groffDelimiter,groffRegister,groffPreprocessor,groffBraces
" mom macros
syn region momMacro start=/^\s*\(\.\|'\)\s*\zs[A-Z0-9_(){}\[\]]\+/ end=/\s\+\|$/
" mom registers and strings
syn match momRegister /\(\$\|#\)[A-Za-z][_0-9A-Za-z]*/ contains=momRegisterStart
syn match momRegisterStart /#\|\$/ contained
" mom comment region
syn region momCommentRegion matchgroup=startRequest start='\<\.\(COMMENT\)\|\(SILENT\)\>' end='\<\.\(COMMENT\s\+OFF\)\|\(SILENT\s\+OFF\)\>' skip='$'
" groff requests
syn match groffRequest /^\s*\(\.\|'\)\s*\zs[a-z0-9]\+/
" groff comment region
syn region groffCommentLine start='\(\\!\)\|\(\\"\)\|\(\\#\)' end='$' contains=momTodo
syn region groffCommentRegion start="^\s*\.\s*ig" matchgroup=startRequest end="^\.\.$" contains=startRequest
" Preprocessor requests
syn match groffPreprocessor /[^A-Z]\zs\(EQ\s*$\|EN\s*$\|GS\s*$\|GE\s*$\|GF\s*$\|PS\s*$\|PE\s*$\|R1\s*$\|R2\s*$\|TS\s*$\|TE\s*$\|TH\s*$\)/ contained
syn match groffPreprocessor /[^A-Z]\zs\(G1\s*$\|G2\s*$\|IS\s*$\|IE\s*$\|cstart\s*$\|cend\s*$\)/ contained
" Preprocessor requests for refer
syn match groffPreprocessor /\(\[\s*$\|\]\s*$\)/ contained
" Quoted strings
syn region momString matchgroup=startRequest start='"\zs' end='"\|$' contains=groffNoLineBreak,groffGreek,groffSpecialChar,momInteger,momFloatEN,momFloatDE,momBracketRegion,momBracketError,momSpecialMove contained
" Special characters
syn match groffSpecialChar '\\\((\|\[\)[-+A-Za-z0-9*<>=~!\/]\+\]*'
" Greek symbols
syn match groffGreek '\\(\*[A-Za-z]\+'
" Hyphenation marks
syn match groffHyphenation '\\%'
" Masking of line breaks
syn match groffNoLineBreak /\\\s*$/ contains=groffBraces
" groff number and string register delimiters
syn region groffDelimiter start=/\\*\\\(n+*\|\*\)\((\|\[\)\</ end=/\(\s\|\]\|$\)/ contains=momRegister,groffRegister,groffOperators
" groff registers
syn match groffRegister /\\\((\|\[\)\zs\.*[a-z]\+/
" groff operators
syn match groffOperators /\(+\|-\|\/\|\*[^[]\)/ contained
" Units (of measure)
syn match groffUnit '[-+]\=\([0-9]\|]\)\+\zs[icPpvusfz]\=' contained
" Braces
syn match groffBraces /\(\\{\|\\}\)/ contained
" Error
syn match groffError '\\\[ \+[[:print:]]\+ \+[[:print:]]\+\]'
" For version 5.7 and earlier: only when not done already
" For version 5.8 and later: only when an item doesn't have highlighting yet
if version >= 508 || !exists("did_mom_syn_inits")
if version < 508
let did_mom_syn_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif
HiLink groffError Error
HiLink groffBraces darkmagenta
HiLink groffCommentLine darkcyan
HiLink groffCommentRegion cyan
HiLink groffDelimiter cyan
HiLink groffGreek cyan
HiLink groffHyphenation cyan
HiLink groffNoLineBreak cyan
HiLink groffOperators white
HiLink groffPreprocessor brown
HiLink groffRegister darkgreen
HiLink groffRequest magenta
HiLink groffSpecialChar darkcyan
HiLink groffUnit brown
HiLink momCommentRegion darkcyan
HiLink momMacro red
HiLink momRegister green
HiLink momRegisterStart magenta
HiLink momSpecialParam red
HiLink momString white
HiLink startRequest yellow
delcommand HiLink
endif
let b:current_syntax = "mom"
" vim:ts=8:sw=4:nocindent:smartindent:
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