" Vim syntax file
" Language:    Debian control files
" Maintainer:  Debian Vim Maintainers <pkg-vim-maintainers@lists.alioth.debian.org>
" Former Maintainers: Gerfried Fuchs <alfie@ist.org>
"                     Wichert Akkerman <wakkerma@debian.org>
" Last Change: 2015 Oct 24
" URL: https://anonscm.debian.org/cgit/pkg-vim/vim.git/plain/runtime/syntax/debcontrol.vim

" Standard syntax initialization
if exists("b:current_syntax")
  finish
endif

let s:cpo_save = &cpo
set cpo&vim

" Should match case except for the keys of each field
syn case match

" Everything that is not explicitly matched by the rules below
syn match debcontrolElse "^.*$"

" Common seperators
syn match debControlComma ", *"
syn match debControlSpace " "

let s:kernels = '\%(linux\|hurd\|kfreebsd\|knetbsd\|kopensolaris\|netbsd\)'
let s:archs = '\%(alpha\|amd64\|armeb\|armel\|armhf\|arm64\|avr32\|hppa\|i386'
      \ . '\|ia64\|lpia\|m32r\|m68k\|mipsel\|mips\|powerpcspe\|powerpc\|ppc64el'
      \ . '\|ppc64\|s390x\|s390\|sh3eb\|sh3\|sh4eb\|sh4\|sh\|sparc64\|sparc\|x32\)'
let s:pairs = 'hurd-i386\|kfreebsd-i386\|kfreebsd-amd64\|knetbsd-i386\|kopensolaris-i386\|netbsd-alpha\|netbsd-i386'

" Define some common expressions we can use later on
exe 'syn match debcontrolArchitecture contained "\%(all\|'. s:kernels .'-any\|\%(any-\)\='. s:archs .'\|'. s:pairs .'\|any\)"'

unlet s:kernels s:archs s:pairs

syn match debcontrolMultiArch contained "\%(no\|foreign\|allowed\|same\)"
syn match debcontrolName contained "[a-z0-9][a-z0-9+.-]\+"
syn match debcontrolPriority contained "\(extra\|important\|optional\|required\|standard\)"
syn match debcontrolSection contained "\v((contrib|non-free|non-US/main|non-US/contrib|non-US/non-free|restricted|universe|multiverse)/)?(admin|cli-mono|comm|database|debian-installer|debug|devel|doc|editors|education|electronics|embedded|fonts|games|gnome|gnustep|gnu-r|graphics|hamradio|haskell|httpd|interpreters|introspection|java|kde|kernel|libs|libdevel|lisp|localization|mail|math|metapackages|misc|net|news|ocaml|oldlibs|otherosfs|perl|php|python|ruby|science|shells|sound|text|tex|utils|vcs|video|web|x11|xfce|zope)"
syn match debcontrolPackageType contained "u\?deb"
syn match debcontrolVariable contained "\${.\{-}}"
syn match debcontrolDmUpload contained "\cyes"

" A URL (using the domain name definitions from RFC 1034 and 1738), right now
" only enforce protocol and some sanity on the server/path part;
syn match debcontrolHTTPUrl contained "\vhttps?://[[:alnum:]][-[:alnum:]]*[[:alnum:]]?(\.[[:alnum:]][-[:alnum:]]*[[:alnum:]]?)*\.[[:alpha:]][-[:alnum:]]*[[:alpha:]]?(:\d+)?(/[^[:space:]]*)?$"
syn match debcontrolVcsSvn contained "\vsvn%(\+ssh)?://[[:alnum:]][-[:alnum:]]*[[:alnum:]]?(\.[[:alnum:]][-[:alnum:]]*[[:alnum:]]?)*\.[[:alpha:]][-[:alnum:]]*[[:alpha:]]?(:\d+)?(/[^[:space:]]*)?$"
syn match debcontrolVcsCvs contained "\v%(\-d *)?:pserver:[^@]+\@[[:alnum:]][-[:alnum:]]*[[:alnum:]]?(\.[[:alnum:]][-[:alnum:]]*[[:alnum:]]?)*\.[[:alpha:]][-[:alnum:]]*[[:alpha:]]?:/[^[:space:]]*%( [^[:space:]]+)?$"
syn match debcontrolVcsGit contained "\v%(git|https?)://[[:alnum:]][-[:alnum:]]*[[:alnum:]]?(\.[[:alnum:]][-[:alnum:]]*[[:alnum:]]?)*\.[[:alpha:]][-[:alnum:]]*[[:alpha:]]?(:\d+)?(/[^[:space:]]*)?%(\s+-b\s+[^ ~^:?*[\\]+)?$"

" An email address
syn match	debcontrolEmail	"[_=[:alnum:]\.+-]\+@[[:alnum:]\./\-]\+"
syn match	debcontrolEmail	"<.\{-}>"

" #-Comments
syn match debcontrolComment "^#.*$" contains=@Spell

syn case ignore

" List of all legal keys
syn match debcontrolKey contained "^\%(Source\|Package\|Section\|Priority\|\%(XSBC-Original-\)\=Maintainer\|Uploaders\|Build-\%(Conflicts\|Depends\)\%(-Indep\)\=\|Standards-Version\|\%(Pre-\)\=Depends\|Recommends\|Suggests\|Provides\|Replaces\|Conflicts\|Enhances\|Breaks\|Essential\|Architecture\|Multi-Arch\|Description\|Bugs\|Origin\|X[SB]-Python-Version\|Homepage\|\(XS-\)\=Vcs-\(Browser\|Arch\|Bzr\|Cvs\|Darcs\|Git\|Hg\|Mtn\|Svn\)\|\%(XC-\)\=Package-Type\): *"

syn match debcontrolDeprecatedKey contained "^\%(\%(XS-\)\=DM-Upload-Allowed\): *"

" Fields for which we do strict syntax checking
syn region debcontrolStrictField start="^Architecture" end="$" contains=debcontrolKey,debcontrolArchitecture,debcontrolSpace oneline
syn region debcontrolStrictField start="^Multi-Arch" end="$" contains=debcontrolKey,debcontrolMultiArch oneline
syn region debcontrolStrictField start="^\(Package\|Source\)" end="$" contains=debcontrolKey,debcontrolName oneline
syn region debcontrolStrictField start="^Priority" end="$" contains=debcontrolKey,debcontrolPriority oneline
syn region debcontrolStrictField start="^Section" end="$" contains=debcontrolKey,debcontrolSection oneline
syn region debcontrolStrictField start="^\%(XC-\)\=Package-Type" end="$" contains=debcontrolKey,debcontrolPackageType oneline
syn region debcontrolStrictField start="^Homepage" end="$" contains=debcontrolKey,debcontrolHTTPUrl oneline keepend
syn region debcontrolStrictField start="^\%(XS-\)\=Vcs-\%(Browser\|Arch\|Bzr\|Darcs\|Hg\)" end="$" contains=debcontrolKey,debcontrolHTTPUrl oneline keepend
syn region debcontrolStrictField start="^\%(XS-\)\=Vcs-Svn" end="$" contains=debcontrolKey,debcontrolVcsSvn,debcontrolHTTPUrl oneline keepend
syn region debcontrolStrictField start="^\%(XS-\)\=Vcs-Cvs" end="$" contains=debcontrolKey,debcontrolVcsCvs oneline keepend
syn region debcontrolStrictField start="^\%(XS-\)\=Vcs-Git" end="$" contains=debcontrolKey,debcontrolVcsGit oneline keepend
syn region debcontrolStrictField start="^\%(XS-\)\=DM-Upload-Allowed" end="$" contains=debcontrolDeprecatedKey,debcontrolDmUpload oneline

" Catch-all for the other legal fields
syn region debcontrolField start="^\%(\%(XSBC-Original-\)\=Maintainer\|Standards-Version\|Essential\|Bugs\|Origin\|X[SB]-Python-Version\|\%(XS-\)\=Vcs-Mtn\):" end="$" contains=debcontrolKey,debcontrolVariable,debcontrolEmail oneline
syn region debcontrolMultiField start="^\%(Build-\%(Conflicts\|Depends\)\%(-Indep\)\=\|\%(Pre-\)\=Depends\|Recommends\|Suggests\|Provides\|Replaces\|Conflicts\|Enhances\|Breaks\|Uploaders\|Description\):" skip="^ " end="^$"me=s-1 end="^[^ #]"me=s-1 contains=debcontrolKey,debcontrolEmail,debcontrolVariable,debcontrolComment
syn region debcontrolMultiFieldSpell start="^\%(Description\):" skip="^ " end="^$"me=s-1 end="^[^ #]"me=s-1 contains=debcontrolKey,debcontrolEmail,debcontrolVariable,debcontrolComment,@Spell

" Associate our matches and regions with pretty colours
command -nargs=+ HiLink hi def link <args>

HiLink debcontrolKey		Keyword
HiLink debcontrolField	Normal
HiLink debcontrolStrictField	Error
HiLink debcontrolDeprecatedKey	Error
HiLink debcontrolMultiField	Normal
HiLink debcontrolArchitecture	Normal
HiLink debcontrolMultiArch	Normal
HiLink debcontrolName		Normal
HiLink debcontrolPriority	Normal
HiLink debcontrolSection	Normal
HiLink debcontrolPackageType	Normal
HiLink debcontrolVariable	Identifier
HiLink debcontrolEmail	Identifier
HiLink debcontrolVcsSvn	Identifier
HiLink debcontrolVcsCvs	Identifier
HiLink debcontrolVcsGit	Identifier
HiLink debcontrolHTTPUrl	Identifier
HiLink debcontrolDmUpload	Identifier
HiLink debcontrolComment	Comment
HiLink debcontrolElse		Special

delcommand HiLink

let b:current_syntax = "debcontrol"

let &cpo = s:cpo_save
unlet s:cpo_save

" vim: ts=8 sw=2