syn match rebolWordPath "[^[:space:]]/[^[:space]]"ms=s+1,me=e-1
" Booleans
syn keyword rebolBoolean true false on off yes no
" Values
" Integers
syn match rebolInteger "\<[+-]\=\d\+\('\d*\)*\>"
" Decimals
syn match rebolDecimal "[+-]\=\(\d\+\('\d*\)*\)\=[,.]\d*\(e[+-]\=\d\+\)\="
syn match rebolDecimal "[+-]\=\d\+\('\d*\)*\(e[+-]\=\d\+\)\="
" Time
syn match rebolTime "[+-]\=\(\d\+\('\d*\)*\:\)\{1,2}\d\+\('\d*\)*\([.,]\d\+\)\=\([AP]M\)\=\>"
syn match rebolTime "[+-]\=:\d\+\([.,]\d*\)\=\([AP]M\)\=\>"
" Dates
" DD-MMM-YY & YYYY format
syn match rebolDate "\d\{1,2}\([/-]\)\(Jan\|Feb\|Mar\|Apr\|May\|Jun\|Jul\|Aug\|Sep\|Oct\|Nov\|Dec\)\1\(\d\{2}\)\{1,2}\>"
" DD-month-YY & YYYY format
syn match rebolDate "\d\{1,2}\([/-]\)\(January\|February\|March\|April\|May\|June\|July\|August\|September\|October\|November\|December\)\1\(\d\{2}\)\{1,2}\>"
" DD-MM-YY & YY format
syn match rebolDate "\d\{1,2}\([/-]\)\d\{1,2}\1\(\d\{2}\)\{1,2}\>"
" YYYY-MM-YY format
syn match rebolDate "\d\{4}-\d\{1,2}-\d\{1,2}\>"
" DD.MM.YYYY format
syn match rebolDate "\d\{1,2}\.\d\{1,2}\.\d\{4}\>"
" Money
syn match rebolMoney "\a*\$\d\+\('\d*\)*\([,.]\d\+\)\="
" Strings
syn region rebolString oneline start=+"+ skip=+^"+ end=+"+ contains=rebolSpecialCharacter
syn region rebolString start=+[^#]{+ end=+}+ skip=+{[^}]*}+ contains=rebolSpecialCharacter
" Binary
syn region rebolBinary start=+\d*#{+ end=+}+ contains=rebolComment
" Email
syn match rebolEmail "\<\k\+@\(\k\+\.\)*\k\+\>"
" File
syn match rebolFile "%\(\k\+/\)*\k\+[/]\=" contains=rebolSpecialCharacter
syn region rebolFile oneline start=+%"+ end=+"+ contains=rebolSpecialCharacter
" URLs
syn match rebolURL "http://\k\+\(\.\k\+\)*\(:\d\+\)\=\(/\(\k\+/\)*\(\k\+\)\=\)*"
syn match rebolURL "file://\k\+\(\.\k\+\)*/\(\k\+/\)*\k\+"
syn match rebolURL "ftp://\(\k\+:\k\+@\)\=\k\+\(\.\k\+\)*\(:\d\+\)\=/\(\k\+/\)*\k\+"
syn match rebolURL "mailto:\k\+\(\.\k\+\)*@\k\+\(\.\k\+\)*"
" Issues
syn match rebolIssue "#\(\d\+-\)*\d\+"
" Tuples
syn match rebolTuple "\(\d\+\.\)\{2,}"
" Characters
syn match rebolSpecialCharacter contained "\^[^[:space:][]"
syn match rebolSpecialCharacter contained "%\d\+"
" Operators
" Math operators
syn match rebolMathOperator "\(\*\{1,2}\|+\|-\|/\{1,2}\)"
syn keyword rebolMathFunction abs absolute add arccosine arcsine arctangent cosine
syn keyword rebolMathFunction divide exp log-10 log-2 log-e max maximum min
syn keyword rebolMathFunction minimum multiply negate power random remainder sine
syn keyword rebolMathFunction square-root subtract tangent
" Binary operators
syn keyword rebolBinaryOperator complement and or xor ~
" Logic operators
syn match rebolLogicOperator "[<>=]=\="
syn match rebolLogicOperator "<>"
syn keyword rebolLogicOperator not
syn keyword rebolLogicFunction all any
syn keyword rebolLogicFunction head? tail?
syn keyword rebolLogicFunction negative? positive? zero? even? odd?
syn keyword rebolLogicFunction binary? block? char? date? decimal? email? empty?
syn keyword rebolLogicFunction file? found? function? integer? issue? logic? money?
syn keyword rebolLogicFunction native? none? object? paren? path? port? series?
syn keyword rebolLogicFunction string? time? tuple? url? word?
syn keyword rebolLogicFunction exists? input? same? value?
" Datatypes
syn keyword rebolType binary! block! char! date! decimal! email! file!
syn keyword rebolType function! integer! issue! logic! money! native!
syn keyword rebolType none! object! paren! path! port! string! time!
syn keyword rebolType tuple! url! word!
syn keyword rebolTypeFunction type?
" Control statements
syn keyword rebolStatement break catch exit halt reduce return shield
syn keyword rebolConditional if else
syn keyword rebolRepeat for forall foreach forskip loop repeat while until do
" Series statements
syn keyword rebolStatement change clear copy fifth find first format fourth free
syn keyword rebolStatement func function head insert last match next parse past
syn keyword rebolStatement pick remove second select skip sort tail third trim length?
" Context
syn keyword rebolStatement alias bind use
" Object
syn keyword rebolStatement import make make-object rebol info?
" I/O statements
syn keyword rebolStatement delete echo form format import input load mold prin
syn keyword rebolStatement print probe read save secure send write
syn keyword rebolOperator size? modified?
" Debug statement
syn keyword rebolStatement help probe trace
" Misc statements
syn keyword rebolStatement func function free
" Constants
syn keyword rebolConstant none
if !exists("did_rebol_syntax_inits")
let did_rebol_syntax_inits = 1
" The default methods for highlighting. Can be overridden later
