1 files changed, 72 insertions, 0 deletions
diff --git a/runtime/syntax/openvpn.vim b/runtime/syntax/openvpn.vim
new file mode 100644
index 0000000..02fd24b
--- /dev/null
+++ b/runtime/syntax/openvpn.vim
@@ -0,0 +1,72 @@
+" Vim syntax file
+" Language:	OpenVPN
+" Maintainer:	ObserverOfTime <chronobserver@disroot.org>
+" Filenames:	*.ovpn
+" Last Change:	2022 Oct 16
+
+if exists('b:current_syntax')
+    finish
+endif
+
+let s:cpo_save = &cpoptions
+set cpoptions&vim
+
+" Options
+syntax match openvpnOption /^[a-z-]\+/
+            \ skipwhite nextgroup=openvpnArgList
+syntax match openvpnArgList /.*$/ transparent contained
+            \ contains=openvpnArgument,openvpnNumber,
+            \ openvpnIPv4Address,openvpnIPv6Address,
+            \ openvpnSignal,openvpnComment
+
+" Arguments
+syntax match openvpnArgument /[^\\"' \t]\+/
+            \ contained contains=openvpnEscape
+syntax region openvpnArgument matchgroup=openvpnQuote
+            \ start=/"/ skip=/\\"/ end=/"/
+            \ oneline contained contains=openvpnEscape
+syntax region openvpnArgument matchgroup=openvpnQuote
+            \ start=/'/ skip=/\\'/ end=/'/
+            \ oneline contained
+syntax match openvpnEscape /\\[\\" \t]/ contained
+
+" Numbers
+syntax match openvpnNumber /\<[1-9][0-9]*\(\.[0-9]\+\)\?\>/ contained
+
+" Signals
+syntax match openvpnSignal /SIG\(HUP\|INT\|TERM\|USER[12]\)/ contained
+
+" IP addresses
+syntax match openvpnIPv4Address /\(\d\{1,3}\.\)\{3}\d\{1,3}/
+            \ contained nextgroup=openvpnSlash
+syntax match openvpnIPv6Address /\([A-F0-9]\{1,4}:\)\{7}\[A-F0-9]\{1,4}/
+            \ contained nextgroup=openvpnSlash
+syntax match openvpnSlash "/" contained
+            \ nextgroup=openvpnIPv4Address,openvpnIPv6Address,openvpnNumber
+
+" Inline files
+syntax region openvpnInline matchgroup=openvpnTag
+            \ start=+^<\z([a-z-]\+\)>+ end=+^</\z1>+
+
+" Comments
+syntax keyword openvpnTodo contained TODO FIXME NOTE XXX
+syntax match openvpnComment /^[;#].*$/ contains=openvpnTodo
+syntax match openvpnComment /\s\+\zs[;#].*$/ contains=openvpnTodo
+
+hi def link openvpnArgument String
+hi def link openvpnComment Comment
+hi def link openvpnEscape SpecialChar
+hi def link openvpnIPv4Address Constant
+hi def link openvpnIPv6Address Constant
+hi def link openvpnNumber Number
+hi def link openvpnOption Keyword
+hi def link openvpnQuote Quote
+hi def link openvpnSignal Special
+hi def link openvpnSlash Delimiter
+hi def link openvpnTag Tag
+hi def link openvpnTodo Todo
+
+let b:current_syntax = 'openvpn'
+
+let &cpoptions = s:cpo_save
+unlet s:cpo_save