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rexx.vim
" Vim syntax file " Language: Rexx " Maintainer: Thomas Geulig <geulig@nentec.de> " Last Change: 2012 Sep 14, added support for new ooRexx 4.0 features " URL: http://www.geulig.de/vim/rexx.vim " Special Thanks to Dan Sharp <dwsharp@hotmail.com> and Rony G. Flatscher " <Rony.Flatscher@wu-wien.ac.at> for comments and additions " quit when a syntax file was already loaded if exists("b:current_syntax") finish endif syn case ignore " add to valid identifier chars setlocal iskeyword+=. setlocal iskeyword+=! setlocal iskeyword+=? " ---rgf, position important: must be before comments etc. ! syn match rexxOperator "[=|\/\\\+\*\[\],;:<>&\~%\-]" " rgf syn match rexxIdentifier "\<[a-zA-Z\!\?_]\([a-zA-Z0-9._?!]\)*\>" syn match rexxIdentifier "\<\K\k*\>" syn match rexxEnvironmentSymbol "\<\.\k\+\>" " A Keyword is the first symbol in a clause. A clause begins at the start " of a line or after a semicolon. THEN, ELSE, OTHERWISE, and colons are always " followed by an implied semicolon. syn match rexxClause "\(^\|;\|:\|then \|else \|when \|otherwise \)\s*\S*" contains=ALLBUT,rexxParse2,rexxRaise2,rexxForward2 " Considered keywords when used together in a phrase and begin a clause syn match rexxParse "\<parse\s*\(\(upper\|lower\|caseless\)\s*\)\?\(arg\|linein\|pull\|source\|var\|\<value\>\|version\)\>" containedin=rexxClause contains=rexxParse2 syn match rexxParse2 "\<with\>" containedin=rexxParse syn match rexxKeyword contained "\<numeric \(digits\|form \(scientific\|engineering\|value\)\|fuzz\)\>" syn match rexxKeyword contained "\<\(address\|trace\)\( value\)\?\>" syn match rexxKeyword contained "\<procedure\(\s*expose\)\?\>" syn match rexxKeyword contained "\<\(do\|loop\)\>\(\s\+label\s\+\k*\)\?\(\s\+forever\)\?\>" syn match rexxKeyword contained "\<use\>\s*\(strict\s*\)\?\<arg\>" " Another keyword phrase, separated to aid highlighting in rexxFunction syn match rexxRegularCallSignal contained "\<\(call\|signal\)\s\(\s*on\>\|\s*off\>\)\@!\(\k\+\ze\|\ze(\)\(\s*\|;\|$\|(\)" syn region rexxLabel contained start="\<\(call\|signal\)\>\s*\zs\(\k*\|(\)" end="\ze\(\s*\|;\|$\|(\)" containedin=rexxRegularCallSignal syn match rexxExceptionHandling contained "\<\(call\|signal\)\>\s\+\<\(on\|off\)\>.*\(;\|$\)" contains=rexxComment " hilite label given after keyword "name" syn match rexxLabel "name\s\+\zs\k\+\ze" containedin=rexxExceptionHandling " hilite condition name (serves as label) syn match rexxLabel "\<\(call\|signal\)\>\s\+\<\(on\|off\)\>\s*\zs\k\+\ze\s*\(;\|$\)" containedin=rexxExceptionHandling " user exception handling, hilite user defined name syn region rexxLabel contained start="user\s\+\zs\k" end="\ze\(\s\|;\|$\)" containedin=rexxExceptionHandling " Considered keywords when they begin a clause syn match rexxKeywordStatements "\<\(arg\|catch\|do\|drop\|end\|exit\|expose\|finally\|forward\|if\|interpret\|iterate\|leave\|loop\|nop\)\>" syn match rexxKeywordStatements "\<\(options\|pull\|push\|queue\|raise\|reply\|return\|say\|select\|trace\)\>" " Conditional keywords starting a new statement syn match rexxConditional "\<\(then\|else\|when\|otherwise\)\(\s*\|;\|\_$\|\)\>" contains=rexxKeywordStatements " Conditional phrases syn match rexxLoopKeywords "\<\(to\|by\|for\|until\|while\|over\)\>" containedin=doLoopSelectLabelRegion " must be after Conditional phrases! syn match doLoopSelectLabelRegion "\<\(do\|loop\|select\)\>\s\+\(label\s\+\)\?\(\s\+\k\+\s\+\zs\<over\>\)\?\k*\(\s\+forever\)\?\(\s\|;\|$\)" contains=doLoopSelectLabelRegion,rexxStartValueAssignment,rexxLoopKeywords " color label's name syn match rexxLabel2 "\<\(do\|loop\|select\)\>\s\+label\s\+\zs\k*\ze" containedin=doLoopSelectLabelRegion " make sure control variable is normal " TODO: re-activate ? "rgf syn match rexxControlVariable "\<\(do\|loop\)\>\(\s\+label\s\+\k*\)\?\s\+\zs.*\ze\s\+\<over\>" containedin=doLoopSelectLabelRegion " make sure control variable assignment is normal syn match rexxStartValueAssignment "\<\(do\|loop\)\>\(\s\+label\s\+\k*\)\?\s\+\zs.*\ze\(=.*\)\?\s\+\<to\>" containedin=doLoopSelectLabelRegion " highlight label name syn match endIterateLeaveLabelRegion "\<\(end\|leave\|iterate\)\>\(\s\+\K\k*\)" contains=rexxLabel2 syn match rexxLabel2 "\<\(end\|leave\|iterate\)\>\s\+\zs\k*\ze" containedin=endIterateLeaveLabelRegion " Guard statement syn match rexxGuard "\(^\|;\|:\)\s*\<guard\>\s\+\<\(on\|off\)\>" " Trace statement syn match rexxTrace "\(^\|;\|:\)\s*\<trace\>\s\+\<\K\k*\>" " Raise statement " syn match rexxRaise "\(^\|;\|:\)\s\+\<raise\>\s*\<\(propagate\|error\|failure\|syntax\|user\)\>\?" contains=rexxRaise2 syn match rexxRaise "\(^\|;\|:\)\s*\<raise\>\s*\<\(propagate\|error\|failure\|syntax\|user\)\>\?" contains=rexxRaise2 syn match rexxRaise2 "\<\(additional\|array\|description\|exit\|propagate\|return\)\>" containedin=rexxRaise " Forward statement syn match rexxForward "\(^\|;\|:\)\<forward\>\s*" contains=rexxForward2 syn match rexxForward2 "\<\(arguments\|array\|continue\|message\|class\|to\)\>" contained " Functions/Procedures syn match rexxFunction "\<\<[a-zA-Z\!\?_]\k*\>("me=e-1 syn match rexxFunction "[()]" " String constants syn region rexxString start=+"+ skip=+""+ end=+"\(x\|b\)\?+ oneline syn region rexxString start=+'+ skip=+''+ end=+'\(x\|b\)\?+ oneline syn region rexxParen transparent start='(' end=')' contains=ALLBUT,rexxParenError,rexxTodo,rexxLabel,rexxKeyword " Catch errors caused by wrong parenthesis syn match rexxParenError ")" syn match rexxInParen "[\\[\\]{}]" " Comments syn region rexxComment start="/\*" end="\*/" contains=rexxTodo,rexxComment syn match rexxCommentError "\*/" syn region rexxLineComment start="--" end="\_$" oneline " Highlight User Labels " check for labels between comments, labels stated in a statement in the middle of a line syn match rexxLabel "\(\_^\|;\)\s*\(\/\*.*\*\/\)*\s*\k\+\s*\(\/\*.*\*\/\)*\s*:"me=e-1 contains=rexxTodo,rexxComment syn keyword rexxTodo contained TODO FIXME XXX " ooRexx messages syn region rexxMessageOperator start="\(\~\|\~\~\)" end="\(\S\|\s\)"me=e-1 syn match rexxMessage "\(\~\|\~\~\)\s*\<\.*[a-zA-Z]\([a-zA-Z0-9._?!]\)*\>" contains=rexxMessageOperator " line continuations, take care of (line-)comments after it syn match rexxLineContinue ",\ze\s*\(--.*\|\/\*.*\)*$" " the following is necessary, otherwise three consecutive dashes will cause it to highlight the first one syn match rexxLineContinue "-\ze-\@!\s*\(--.*\|\s*\/\*.*\)\?$" " Special Variables syn keyword rexxSpecialVariable sigl rc result self super syn keyword rexxSpecialVariable .environment .error .input .local .methods .output .rs .stderr .stdin .stdout .stdque " Constants syn keyword rexxConst .true .false .nil .endOfLine .line .context " Rexx numbers " int like number syn match rexxNumber '\d\+' contained syn match rexxNumber '[-+]\s*\d\+' contained " Floating point number with decimal syn match rexxNumber '\d\+\.\d*' contained syn match rexxNumber '[-+]\s*\d\+\.\d*' contained " Floating point like number with E syn match rexxNumber '[-+]\s*\d*[eE][\-+]\d\+' contained syn match rexxNumber '\d*[eE][\-+]\d\+' contained " Floating point like number with E and decimal point (+,-) syn match rexxNumber '[-+]\s*\d*\.\d*[eE][\-+]\d\+' contained syn match rexxNumber '\d*\.\d*[eE][\-+]\d\+' contained " ooRexx builtin classes (as of version 3.2.0, fall 2007), first define dot to be o.k. in keywords syn keyword rexxBuiltinClass .Alarm .ArgUtil .Array .Bag .CaselessColumnComparator syn keyword rexxBuiltinClass .CaselessComparator .CaselessDescendingComparator .CircularQueue syn keyword rexxBuiltinClass .Class .Collection .ColumnComparator .Comparable .Comparator syn keyword rexxBuiltinClass .DateTime .DescendingComparator .Directory .File .InputOutputStream syn keyword rexxBuiltinClass .InputStream .InvertingComparator .List .MapCollection syn keyword rexxBuiltinClass .Message .Method .Monitor .MutableBuffer .Object syn keyword rexxBuiltinClass .OrderedCollection .OutputStream .Package .Properties .Queue syn keyword rexxBuiltinClass .RegularExpression .Relation .RexxContext .RexxQueue .Routine syn keyword rexxBuiltinClass .Set .SetCollection .Stem .Stream syn keyword rexxBuiltinClass .StreamSupplier .String .Supplier .Table .TimeSpan " Windows-only classes syn keyword rexxBuiltinClass .AdvancedControls .AnimatedButton .BaseDialog .ButtonControl syn keyword rexxBuiltinClass .CategoryDialog .CheckBox .CheckList .ComboBox .DialogControl syn keyword rexxBuiltinClass .DialogExtensions .DlgArea .DlgAreaU .DynamicDialog syn keyword rexxBuiltinClass .EditControl .InputBox .IntegerBox .ListBox .ListChoice syn keyword rexxBuiltinClass .ListControl .MenuObject .MessageExtensions .MultiInputBox syn keyword rexxBuiltinClass .MultiListChoice .OLEObject .OLEVariant syn keyword rexxBuiltinClass .PasswordBox .PlainBaseDialog .PlainUserDialog syn keyword rexxBuiltinClass .ProgressBar .ProgressIndicator .PropertySheet .RadioButton syn keyword rexxBuiltinClass .RcDialog .ResDialog .ScrollBar .SingleSelection .SliderControl syn keyword rexxBuiltinClass .StateIndicator .StaticControl .TabControl .TimedMessage syn keyword rexxBuiltinClass .TreeControl .UserDialog .VirtualKeyCodes .WindowBase syn keyword rexxBuiltinClass .WindowExtensions .WindowObject .WindowsClassesBase .WindowsClipboard syn keyword rexxBuiltinClass .WindowsEventLog .WindowsManager .WindowsProgramManager .WindowsRegistry " BSF4ooRexx classes syn keyword rexxBuiltinClass .BSF .bsf.dialog .bsf_proxy syn keyword rexxBuiltinClass .UNO .UNO_ENUM .UNO_CONSTANTS .UNO_PROPERTIES " ooRexx directives, ---rgf location important, otherwise directives in top of file not matched! syn region rexxClassDirective start="::\s*class\s*"ms=e+1 end="\ze\(\s\|;\|$\)" syn region rexxMethodDirective start="::\s*method\s*"ms=e+1 end="\ze\(\s\|;\|$\)" syn region rexxRequiresDirective start="::\s*requires\s*"ms=e+1 end="\ze\(\s\|;\|$\)" syn region rexxRoutineDirective start="::\s*routine\s*"ms=e+1 end="\ze\(\s\|;\|$\)" syn region rexxAttributeDirective start="::\s*attribute\s*"ms=e+1 end="\ze\(\s\|;\|$\)" " rgf, 2012-09-09 syn region rexxOptionsDirective start="::\s*options\s*"ms=e+1 end="\ze\(\s\|;\|$\)" syn region rexxConstantDirective start="::\s*constant\s*"ms=e+1 end="\ze\(\s\|;\|$\)" syn region rexxDirective start="\(^\|;\)\s*::\s*\w\+" end="\($\|;\)" contains=rexxString,rexxNumber,rexxComment,rexxLineComment,rexxClassDirective,rexxMethodDirective,rexxRoutineDirective,rexxRequiresDirective,rexxAttributeDirective,rexxOptionsDirective,rexxConstantDirective keepend syn match rexxOptionsDirective2 "\<\(digits\|form\|fuzz\|trace\)\>" containedin = rexxOptionsDirective3 syn region rexxOptionsDirective3 start="\(^\|;\)\s*::\s*options\s"ms=e+1 end="\($\|;\)" contains=rexxString,rexxNumber,rexxVariable,rexxComment,rexxLineComment containedin = rexxDirective syn region rexxVariable start="\zs\<\(\.\)\@!\K\k\+\>\ze\s*\(=\|,\|)\|%\|\]\|\\\||\|&\|+=\|-=\|<\|>\)" end="\(\_$\|.\)"me=e-1 syn match rexxVariable "\(=\|,\|)\|%\|\]\|\\\||\|&\|+=\|-=\|<\|>\)\s*\zs\K\k*\ze" " rgf, 2007-07-22: unfortunately, the entire region is colored (not only the " patterns), hence useless (vim 7.0)! (syntax-docs hint that that should work) " attempt: just colorize the parenthesis in matching colors, keep content " transparent to keep the formatting already done to it! " TODO: test on 7.3 " syn region par1 matchgroup=par1 start="(" matchgroup=par1 end=")" transparent contains=par2 " syn region par2 matchgroup=par2 start="(" matchgroup=par2 end=")" transparent contains=par3 contained " syn region par3 matchgroup=par3 start="(" matchgroup=par3 end=")" transparent contains=par4 contained " syn region par4 matchgroup=par4 start="(" matchgroup=par4 end=")" transparent contains=par5 contained " syn region par5 matchgroup=par5 start="(" matchgroup=par5 end=")" transparent contains=par1 contained " this will colorize the entire region, removing any colorizing already done! " syn region par1 matchgroup=par1 start="(" end=")" contains=par2 " syn region par2 matchgroup=par2 start="(" end=")" contains=par3 contained " syn region par3 matchgroup=par3 start="(" end=")" contains=par4 contained " syn region par4 matchgroup=par4 start="(" end=")" contains=par5 contained " syn region par5 matchgroup=par5 start="(" end=")" contains=par1 contained hi par1 ctermfg=red guifg=red "guibg=grey hi par2 ctermfg=blue guifg=blue "guibg=grey hi par3 ctermfg=darkgreen guifg=darkgreen "guibg=grey hi par4 ctermfg=darkyellow guifg=darkyellow "guibg=grey hi par5 ctermfg=darkgrey guifg=darkgrey "guibg=grey " line continuation (trailing comma or single dash) syn sync linecont "\(,\|-\ze-\@!\)\ze\s*\(--.*\|\/\*.*\)*$" " if !exists("rexx_minlines") " let rexx_minlines = 500 " endif " exec "syn sync ccomment rexxComment minlines=" . rexx_minlines " always scan from start, PCs have long become to be powerful enough for that exec "syn sync fromstart" " Define the default highlighting. " Only when an item doesn't have highlighting yet " make binary and hex strings stand out hi rexxStringConstant term=bold,underline ctermfg=5 cterm=bold guifg=darkMagenta gui=bold hi def link rexxLabel2 Function hi def link doLoopSelectLabelRegion rexxKeyword hi def link endIterateLeaveLabelRegion rexxKeyword hi def link rexxLoopKeywords rexxKeyword " Todo hi def link rexxNumber Normal "DiffChange " hi def link rexxIdentifier DiffChange hi def link rexxRegularCallSignal Statement hi def link rexxExceptionHandling Statement hi def link rexxLabel Function hi def link rexxCharacter Character hi def link rexxParenError rexxError hi def link rexxInParen rexxError hi def link rexxCommentError rexxError hi def link rexxError Error hi def link rexxKeyword Statement hi def link rexxKeywordStatements Statement hi def link rexxFunction Function hi def link rexxString String hi def link rexxComment Comment hi def link rexxTodo Todo hi def link rexxSpecialVariable Special hi def link rexxConditional rexxKeyword hi def link rexxOperator Operator hi def link rexxMessageOperator rexxOperator hi def link rexxLineComment Comment hi def link rexxLineContinue WildMenu hi def link rexxDirective rexxKeyword hi def link rexxClassDirective Type hi def link rexxMethodDirective rexxFunction hi def link rexxAttributeDirective rexxFunction hi def link rexxRequiresDirective Include hi def link rexxRoutineDirective rexxFunction " rgf, 2012-09-09 hi def link rexxOptionsDirective rexxFunction hi def link rexxOptionsDirective2 rexxOptionsDirective hi def link rexxOptionsDirective3 Normal " rexxOptionsDirective hi def link rexxConstantDirective rexxFunction hi def link rexxConst Constant hi def link rexxTypeSpecifier Type hi def link rexxBuiltinClass rexxTypeSpecifier hi def link rexxEnvironmentSymbol rexxConst hi def link rexxMessage rexxFunction hi def link rexxParse rexxKeyword hi def link rexxParse2 rexxParse hi def link rexxGuard rexxKeyword hi def link rexxTrace rexxKeyword hi def link rexxRaise rexxKeyword hi def link rexxRaise2 rexxRaise hi def link rexxForward rexxKeyword hi def link rexxForward2 rexxForward let b:current_syntax = "rexx" "vim: ts=8
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