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" Vim syntax file
" Language: Relax NG compact syntax
" Maintainer: Nikolai Weibull <source@pcppopper.org>
" URL: http://www.pcppopper.org/vim/syntax/pcp/rnc/
" Latest Revision: 2004-05-22
" arch-tag: 061ee0a2-9efa-4e2a-b1a9-14cf5172d645
if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif
" Set iskeyword since we need `-' (and potentially others) in keywords.
" For version 5.x: Set it globally
" For version 6.x: Set it locally
if version >= 600
command -nargs=1 SetIsk setlocal iskeyword=<args>
else
command -nargs=1 SetIsk set iskeyword=<args>
endif
SetIsk @,48-57,_,-,.
delcommand SetIsk
" Todo
syn keyword rncTodo contained TODO FIXME XXX NOTE
" Comments
syn region rncComment matchgroup=rncComment start='^\s*#' end='$' contains=rncTodo
" Operators
syn match rncOperator '[-|,&+?*~]'
syn match rncOperator '\%(|&\)\=='
syn match rncOperator '>>'
" Namespaces
syn match rncNamespace '\<\k\+:'
" Quoted Identifier
syn match rncQuoted '\\\k\+\>'
" Special Characters
syn match rncSpecial '\\x{\x\+}'
" Annotations
syn region Annotation transparent start='\[' end='\]' contains=ALLBUT,rncComment,rncTodo
" Literals
syn region rncLiteral matchgroup=rncLiteral oneline start=+"+ end=+"+ contains=rncSpecial
syn region rncLiteral matchgroup=rncLiteral oneline start=+'+ end=+'+
syn region rncLiteral matchgroup=rncLiteral start=+"""+ end=+"""+ contains=rncSpecial
syn region rncLiteral matchgroup=rncLiteral start=+'''+ end=+'''+
" Delimiters
syn match rncDelimiter '[{},()]'
" Keywords
syn keyword rncKeyword datatypes default div empty external grammar
syn keyword rncKeyword include inherit list mixed name namespace
syn keyword rncKeyword notAllowed parent start string text token
" Identifiers
syn match rncIdentifier '\k\+\_s*\%(=\|&=\||=\)\@=' nextgroup=rncOperator
syn keyword rncKeyword nextgroup=rncIdName skipwhite skipempty element attribute
syn match rncIdentifier contained '\k\+'
" Define the default highlighting.
" 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_rnc_syn_inits")
if version < 508
let did_rnc_syn_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif
HiLink rncTodo Todo
HiLink rncComment Comment
HiLink rncOperator Operator
HiLink rncNamespace Identifier
HiLink rncQuoted Special
HiLink rncSpecial SpecialChar
HiLink rncLiteral String
HiLink rncDelimiter Delimiter
HiLink rncKeyword Keyword
HiLink rncIdentifier Identifier
delcommand HiLink
endif
let b:current_syntax = "rnc"
" vim: set sts=2 sw=2:
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