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" Vim syntax file
" Language: Icon
" Maintainer: Wendell Turner <wendell@adsi-m4.com>
" URL: ftp://ftp.halcyon.com/pub/users/wturner/icon.vim
" Last Change: 2003 May 11
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
syn keyword iconFunction abs acos any args asin atan bal
syn keyword iconFunction callout center char chdir close collect copy
syn keyword iconFunction cos cset delay delete detab display dtor
syn keyword iconFunction entab errorclear exit exp find flush function
syn keyword iconFunction get getch getche getenv iand icom image
syn keyword iconFunction insert integer ior ishift ixor kbhit key
syn keyword iconFunction left list loadfunc log many map match
syn keyword iconFunction member move name numeric open ord pop
syn keyword iconFunction pos proc pull push put read reads
syn keyword iconFunction real remove rename repl reverse right rtod
syn keyword iconFunction runerr save seek seq set sin sort
syn keyword iconFunction sortf sqrt stop string system tab table
syn keyword iconFunction tan trim type upto variable where write writes
" Keywords
syn match iconKeyword "&allocated"
syn match iconKeyword "&ascii"
syn match iconKeyword "&clock"
syn match iconKeyword "&collections"
syn match iconKeyword "&cset"
syn match iconKeyword "¤t"
syn match iconKeyword "&date"
syn match iconKeyword "&dateline"
syn match iconKeyword "&digits"
syn match iconKeyword "&dump"
syn match iconKeyword "&e"
syn match iconKeyword "&error"
syn match iconKeyword "&errornumber"
syn match iconKeyword "&errortext"
syn match iconKeyword "&errorvalue"
syn match iconKeyword "&errout"
syn match iconKeyword "&fail"
syn match iconKeyword "&features"
syn match iconKeyword "&file"
syn match iconKeyword "&host"
syn match iconKeyword "&input"
syn match iconKeyword "&lcase"
syn match iconKeyword "&letters"
syn match iconKeyword "&level"
syn match iconKeyword "&line"
syn match iconKeyword "&main"
syn match iconKeyword "&null"
syn match iconKeyword "&output"
syn match iconKeyword "&phi"
syn match iconKeyword "&pi"
syn match iconKeyword "&pos"
syn match iconKeyword "&progname"
syn match iconKeyword "&random"
syn match iconKeyword "®ions"
syn match iconKeyword "&source"
syn match iconKeyword "&storage"
syn match iconKeyword "&subject"
syn match iconKeyword "&time"
syn match iconKeyword "&trace"
syn match iconKeyword "&ucase"
syn match iconKeyword "&version"
" Reserved words
syn keyword iconReserved break by case create default do
syn keyword iconReserved else end every fail if
syn keyword iconReserved initial link next not of
syn keyword iconReserved procedure repeat return suspend
syn keyword iconReserved then to until while
" Storage class reserved words
syn keyword iconStorageClass global static local record
syn keyword iconTodo contained TODO FIXME XXX BUG
" String and Character constants
" Highlight special characters (those which have a backslash) differently
syn match iconSpecial contained "\\x\x\{2}\|\\\o\{3\}\|\\[bdeflnrtv\"\'\\]\|\\^c[a-zA-Z0-9]\|\\$"
syn region iconString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=iconSpecial
syn region iconCset start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=iconSpecial
syn match iconCharacter "'[^\\]'"
" not sure about these
"syn match iconSpecialCharacter "'\\[bdeflnrtv]'"
"syn match iconSpecialCharacter "'\\\o\{3\}'"
"syn match iconSpecialCharacter "'\\x\x\{2}'"
"syn match iconSpecialCharacter "'\\^c\[a-zA-Z0-9]'"
"when wanted, highlight trailing white space
if exists("icon_space_errors")
syn match iconSpaceError "\s*$"
syn match iconSpaceError " \+\t"me=e-1
endif
"catch errors caused by wrong parenthesis
syn cluster iconParenGroup contains=iconParenError,iconIncluded,iconSpecial,iconTodo,iconUserCont,iconUserLabel,iconBitField
syn region iconParen transparent start='(' end=')' contains=ALLBUT,@iconParenGroup
syn match iconParenError ")"
syn match iconInParen contained "[{}]"
syn case ignore
"integer number, or floating point number without a dot
syn match iconNumber "\<\d\+\>"
"floating point number, with dot, optional exponent
syn match iconFloat "\<\d\+\.\d*\(e[-+]\=\d\+\)\=\>"
"floating point number, starting with a dot, optional exponent
syn match iconFloat "\.\d\+\(e[-+]\=\d\+\)\=\>"
"floating point number, without dot, with exponent
syn match iconFloat "\<\d\+e[-+]\=\d\+\>"
"radix number
syn match iconRadix "\<\d\{1,2}[rR][a-zA-Z0-9]\+\>"
" syn match iconIdentifier "\<[a-z_][a-z0-9_]*\>"
syn case match
" Comment
syn match iconComment "#.*" contains=iconTodo,iconSpaceError
syn region iconPreCondit start="^\s*$\s*\(if\>\|ifdef\>\|ifndef\>\|elif\>\|else\>\|endif\>\)" skip="\\$" end="$" contains=iconComment,iconString,iconCharacter,iconNumber,iconCommentError,iconSpaceError
syn region iconIncluded contained start=+"+ skip=+\\\\\|\\"+ end=+"+
syn match iconIncluded contained "<[^>]*>"
syn match iconInclude "^\s*$\s*include\>\s*["<]" contains=iconIncluded
"syn match iconLineSkip "\\$"
syn cluster iconPreProcGroup contains=iconPreCondit,iconIncluded,iconInclude,iconDefine,iconInParen,iconUserLabel
syn region iconDefine start="^\s*$\s*\(define\>\|undef\>\)" skip="\\$" end="$" contains=ALLBUT,@iconPreProcGroup
"wt:syn region iconPreProc "start="^\s*#\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" "end="$" contains=ALLBUT,@iconPreProcGroup
" Highlight User Labels
" syn cluster iconMultiGroup contains=iconIncluded,iconSpecial,iconTodo,iconUserCont,iconUserLabel,iconBitField
if !exists("icon_minlines")
let icon_minlines = 15
endif
exec "syn sync ccomment iconComment minlines=" . icon_minlines
" Define the default highlighting.
" Only when an item doesn't have highlighting
" The default methods for highlighting. Can be overridden later
" hi def link iconSpecialCharacter iconSpecial
hi def link iconOctalError iconError
hi def link iconParenError iconError
hi def link iconInParen iconError
hi def link iconCommentError iconError
hi def link iconSpaceError iconError
hi def link iconCommentError iconError
hi def link iconIncluded iconString
hi def link iconCommentString iconString
hi def link iconComment2String iconString
hi def link iconCommentSkip iconComment
hi def link iconUserLabel Label
hi def link iconCharacter Character
hi def link iconNumber Number
hi def link iconRadix Number
hi def link iconFloat Float
hi def link iconInclude Include
hi def link iconPreProc PreProc
hi def link iconDefine Macro
hi def link iconError Error
hi def link iconStatement Statement
hi def link iconPreCondit PreCondit
hi def link iconString String
hi def link iconCset String
hi def link iconComment Comment
hi def link iconSpecial SpecialChar
hi def link iconTodo Todo
hi def link iconStorageClass StorageClass
hi def link iconFunction Statement
hi def link iconReserved Label
hi def link iconKeyword Operator
"hi def link iconIdentifier Identifier
let b:current_syntax = "icon"
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