Adding upstream version 2:9.0.1378.upstream/2%9.0.1378upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 249 insertions, 0 deletions

diff --git a/runtime/syntax/nroff.vim b/runtime/syntax/nroff.vim
new file mode 100644
index 0000000..5667042
--- /dev/null
+++ b/runtime/syntax/nroff.vim
@@ -0,0 +1,249 @@
+" VIM syntax file
+" Language:	nroff/groff
+" Maintainer:	John Marshall <jmarshall@hey.com>
+" Previous Maintainer:	Pedro Alejandro López-Valencia <palopezv@gmail.com>
+" Previous Maintainer:	Jérôme Plût <Jerome.Plut@ens.fr>
+" Last Change:	2021 Mar 28
+"
+" {{{1 Todo
+"
+" TODO:
+"
+" * Write syntax highlighting files for the preprocessors,
+"	and integrate with nroff.vim.
+"
+"
+" {{{1 Start syntax highlighting.
+"
+" quit when a syntax file was already loaded
+"
+if exists("b:current_syntax")
+	finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+if exists("nroff_is_groff")
+	let b:nroff_is_groff = 1
+endif
+
+syn spell toplevel
+syn case match
+
+"
+" {{{1 plugin settings...
+"
+" {{{2 enable spacing error highlighting
+"
+if exists("nroff_space_errors")
+	syn match nroffError /\s\+$/
+	syn match nroffSpaceError /[.,:;!?]\s\{2,}/
+endif
+"
+"
+" {{{1 Special file settings
+"
+" {{{2  ms exdented paragraphs are not in the default paragraphs list.
+"
+setlocal paragraphs+=XP
+"
+" {{{2 Activate navigation to preprocessor sections.
+"
+if exists("b:preprocs_as_sections")
+	setlocal sections=EQTSPS[\ G1GS
+endif
+
+" {{{1 Escape sequences
+" ------------------------------------------------------------
+
+syn match nroffEscChar /\\[CN]/ nextgroup=nroffEscCharArg
+syn match nroffEscape /\\[*fgmnYV]/ nextgroup=nroffEscRegPar,nroffEscRegArg
+syn match nroffEscape /\\s[+-]\=/ nextgroup=nroffSize
+syn match nroffEscape /\\[$AbDhlLRvxXZ]/ nextgroup=nroffEscPar,nroffEscArg
+
+syn match nroffEscRegArg /./ contained
+syn match nroffEscRegArg2 /../ contained
+syn match nroffEscRegPar /(/ contained nextgroup=nroffEscRegArg2
+syn match nroffEscArg /./ contained
+syn match nroffEscArg2 /../ contained
+syn match nroffEscPar /(/ contained nextgroup=nroffEscArg2
+syn match nroffSize /\((\d\)\=\d/ contained
+
+syn region nroffEscCharArg start=/'/ end=/'/ contained
+syn region nroffEscArg start=/'/ end=/'/ contained contains=nroffEscape,@nroffSpecial
+
+if exists("b:nroff_is_groff")
+	syn region nroffEscRegArg matchgroup=nroffEscape start=/\[/ end=/\]/ contained oneline
+	syn region nroffSize matchgroup=nroffEscape start=/\[/ end=/\]/ contained
+endif
+
+syn match nroffEscape /\\[adprtu{}]/
+syn match nroffEscape /\\$/
+syn match nroffEscape /\\\$[@*]/
+
+" {{{1 Strings and special characters
+" ------------------------------------------------------------
+
+syn match nroffSpecialChar /\\[\\eE?!-]/
+syn match nroffSpace "\\[&%~|^0)/,]"
+syn match nroffSpecialChar /\\(../
+
+if exists("b:nroff_is_groff")
+	syn match nroffSpecialChar /\\\[[^]]*]/
+	syn region nroffPreserve  matchgroup=nroffSpecialChar start=/\\?/ end=/\\?/ oneline
+endif
+
+syn region nroffPreserve matchgroup=nroffSpecialChar start=/\\!/ end=/$/ oneline
+
+syn cluster nroffSpecial contains=nroffSpecialChar,nroffSpace
+
+
+syn region nroffString start=/"/ end=/"/ skip=/\\$/ contains=nroffEscape,@nroffSpecial contained
+syn region nroffString start=/'/ end=/'/ skip=/\\$/ contains=nroffEscape,@nroffSpecial contained
+
+
+" {{{1 Numbers and units
+" ------------------------------------------------------------
+syn match nroffNumBlock /[0-9.]\a\=/ contained contains=nroffNumber
+syn match nroffNumber /\d\+\(\.\d*\)\=/ contained nextgroup=nroffUnit,nroffBadChar
+syn match nroffNumber /\.\d\+)/ contained nextgroup=nroffUnit,nroffBadChar
+syn match nroffBadChar /./ contained
+syn match nroffUnit /[icpPszmnvMu]/ contained
+
+
+" {{{1 Requests
+" ------------------------------------------------------------
+
+" Requests begin with . or ' at the beginning of a line, or
+" after .if or .ie.
+
+syn match nroffReqLeader /^[.']/	nextgroup=nroffReqName skipwhite
+syn match nroffReqLeader /[.']/	contained nextgroup=nroffReqName skipwhite
+
+if exists("b:nroff_is_groff")
+"
+" GNU troff allows long request names
+"
+	syn match nroffReqName /[^\t \\\[?]\+/ contained nextgroup=nroffReqArg
+else
+	syn match nroffReqName /[^\t \\\[?]\{1,2}/ contained nextgroup=nroffReqArg
+endif
+
+syn region nroffReqArg start=/\S/ skip=/\\$/ end=/$/ contained contains=nroffEscape,@nroffSpecial,nroffString,nroffError,nroffSpaceError,nroffNumBlock,nroffComment
+
+" {{{2 Conditional: .if .ie .el
+syn match nroffReqName /\(if\|ie\)/ contained nextgroup=nroffCond skipwhite
+syn match nroffReqName /el/ contained nextgroup=nroffReqLeader skipwhite
+syn match nroffCond /\S\+/ contained nextgroup=nroffReqLeader skipwhite
+
+" {{{2 String definition: .ds .as
+syn match nroffReqname /[da]s/ contained nextgroup=nroffDefIdent skipwhite
+syn match nroffDefIdent /\S\+/ contained nextgroup=nroffDefinition skipwhite
+syn region nroffDefinition matchgroup=nroffSpecialChar start=/"/ matchgroup=NONE end=/\\"/me=e-2 skip=/\\$/ start=/\S/ end=/$/ contained contains=nroffDefSpecial
+syn match nroffDefSpecial /\\$/ contained
+syn match nroffDefSpecial /\\\((.\)\=./ contained
+
+if exists("b:nroff_is_groff")
+	syn match nroffDefSpecial /\\\[[^]]*]/ contained
+endif
+
+" {{{2 Macro definition: .de .am, also diversion: .di
+syn match nroffReqName /\(d[ei]\|am\)/ contained nextgroup=nroffIdent skipwhite
+syn match nroffIdent /[^[?( \t]\+/ contained
+if exists("b:nroff_is_groff")
+	syn match nroffReqName /als/ contained nextgroup=nroffIdent skipwhite
+endif
+
+" {{{2 Register definition: .rn .rr
+syn match nroffReqName /[rn]r/ contained nextgroup=nroffIdent skipwhite
+if exists("b:nroff_is_groff")
+	syn match nroffReqName /\(rnn\|aln\)/ contained nextgroup=nroffIdent skipwhite
+endif
+
+
+" {{{1 eqn/tbl/pic
+" ------------------------------------------------------------
+" <jp>
+" XXX: write proper syntax highlight for eqn / tbl / pic ?
+" <jp />
+
+syn region nroffEquation start=/^\.\s*EQ\>/ end=/^\.\s*EN\>/
+syn region nroffTable start=/^\.\s*TS\>/ end=/^\.\s*TE\>/ contains=@Spell
+syn region nroffPicture start=/^\.\s*PS\>/ end=/^\.\s*PE\>/
+syn region nroffRefer start=/^\.\s*\[\>/ end=/^\.\s*\]\>/ contains=@Spell
+syn region nroffGrap start=/^\.\s*G1\>/ end=/^\.\s*G2\>/
+syn region nroffGremlin start=/^\.\s*GS\>/ end=/^\.\s*GE|GF\>/
+
+" {{{1 Comments
+" ------------------------------------------------------------
+
+syn region nroffIgnore start=/^[.']\s*ig/ end=/^['.]\s*\./
+syn match nroffComment /\(^[.']\s*\)\=\\".*/ contains=nroffTodo,@Spell
+syn match nroffComment /^'''.*/  contains=nroffTodo,@Spell
+
+if exists("b:nroff_is_groff")
+	syn match nroffComment "\\#.*$" contains=nroffTodo,@Spell
+endif
+
+syn keyword nroffTodo TODO XXX FIXME contained
+
+" {{{1 Hilighting
+" ------------------------------------------------------------
+"
+
+"
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+"
+
+hi def link nroffEscChar nroffSpecialChar
+hi def link nroffEscCharArg nroffSpecialChar
+hi def link nroffSpecialChar SpecialChar
+hi def link nroffSpace Delimiter
+
+hi def link nroffEscRegArg2 nroffEscRegArg
+hi def link nroffEscRegArg nroffIdent
+
+hi def link nroffEscArg2 nroffEscArg
+hi def link nroffEscPar nroffEscape
+
+hi def link nroffEscRegPar nroffEscape
+hi def link nroffEscArg nroffEscape
+hi def link nroffSize nroffEscape
+hi def link nroffEscape PreProc
+
+hi def link nroffIgnore Comment
+hi def link nroffComment Comment
+hi def link nroffTodo Todo
+
+hi def link nroffReqLeader nroffRequest
+hi def link nroffReqName nroffRequest
+hi def link nroffRequest Statement
+hi def link nroffCond PreCondit
+hi def link nroffDefIdent nroffIdent
+hi def link nroffIdent Identifier
+
+hi def link nroffEquation PreProc
+hi def link nroffTable PreProc
+hi def link nroffPicture PreProc
+hi def link nroffRefer PreProc
+hi def link nroffGrap PreProc
+hi def link nroffGremlin PreProc
+
+hi def link nroffNumber Number
+hi def link nroffBadChar nroffError
+hi def link nroffSpaceError nroffError
+hi def link nroffError Error
+
+hi def link nroffPreserve String
+hi def link nroffString String
+hi def link nroffDefinition String
+hi def link nroffDefSpecial Special
+
+
+let b:current_syntax = "nroff"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+" vim600: set fdm=marker fdl=2: