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" Vim syntax file
" Language: Rexx
" Maintainer: Thomas Geulig <geulig@nentec.de>
" Last change: 1998 Apr 2
" Remove any old syntax stuff hanging around
syn clear
syn case ignore
" A bunch of useful Rexx keywords
syn keyword rexxKeyword address arg begin break by call do drop echo else end
syn keyword rexxKeyword exit forever function if interpret iterate leave nop
syn keyword rexxKeyword module numeric off on options otherwise parse procedure
syn keyword rexxKeyword pull push queue return say select shell signal then to
syn keyword rexxKeyword trace until upper value var when with
syn keyword rexxTodo contained TODO FIXME XXX
" String and Character constants
" Highlight special characters (those which have a backslash) differently
syn match rexxSpecial contained "\\[0-7][0-7][0-7]\=\|\\."
syn region rexxString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=rexxSpecial
syn region rexxString start=+'+ skip=+\\\\\|\\"+ end=+'+ contains=rexxSpecial
syn match rexxCharacter "'[^\\]'"
syn match rexxSpecialCharacter "'\\.'"
syn match rexxSpecialCharacter "'\\[0-7][0-7]'"
syn match rexxSpecialCharacter "'\\[0-7][0-7][0-7]'"
"catch errors caused by wrong parenthesis
syn region rexxParen transparent start='(' end=')' contains=ALLBUT,rexxParenError,rexxSpecial,rexxTodo,rexxUserLabel
syn match rexxParenError ")"
syn match rexxInParen contained "[{}]"
" Comments
syn region rexxComment start="/\*" end="\*/" contains=rexxTodo
syn match rexxCommentError "\*/"
" Highlight User Labels
syn region rexxMulti transparent start='?' end=':' contains=ALLBUT,rexxSpecial,rexxTodo,rexxUserLabel
syn match rexxUserLabel "\s*\I\i*\s*:$"
syn match rexxUserLabel ";\s*\I\i*\s*:$"ms=s+1
syn match rexxUserLabel "\s*\I\i*\s*:"me=e-1
syn match rexxUserLabel ";\s*\I\i*\s*:"ms=s+1,me=e-1
if !exists("rexx_minlines")
let rexx_minlines = 10
endif
exec "syn sync ccomment rexxComment minlines=" . rexx_minlines
if !exists("did_rexx_syntax_inits")
let did_rexx_syntax_inits = 1
" The default methods for highlighting. Can be overridden later
hi link rexxUserLabel Label
hi link rexxCharacter Character
hi link rexxSpecialCharacter rexxSpecial
hi link rexxParenError rexxError
hi link rexxInParen rexxError
hi link rexxCommentError rexxError
hi link rexxError Error
hi link rexxKeyword Statement
hi link rexxString String
hi link rexxComment Comment
hi link rexxSpecial SpecialChar
hi link rexxTodo Todo
endif
let b:current_syntax = "rexx"
" vim: ts=8
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