forked from aniani/vim
207 lines
7.8 KiB
VimL
207 lines
7.8 KiB
VimL
" Vim syntax file
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" Language: Rexx
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" Maintainer: Thomas Geulig <geulig@nentec.de>
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" Last Change: 2005 Dez 9, added some <http://www.ooRexx.org>-coloring,
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" line comments, do *over*, messages, directives,
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" highlighting classes, methods, routines and requires
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" Rony G. Flatscher <rony.flatscher@wu-wien.ac.at>
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"
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" URL: http://www.geulig.de/vim/rexx.vim
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"
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" Special Thanks to Dan Sharp <dwsharp@hotmail.com> and Rony G. Flatscher
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" <Rony.Flatscher@wu-wien.ac.at> for comments and additions
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" For version 5.x: Clear all syntax items
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" For version 6.x: Quit when a syntax file was already loaded
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if version < 600
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syntax clear
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elseif exists("b:current_syntax")
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finish
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endif
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syn case ignore
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" add to valid identifier chars
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setlocal iskeyword+=.
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setlocal iskeyword+=!
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setlocal iskeyword+=?
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" ---rgf, position important: must be before comments etc. !
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syn match rexxOperator "[-=|\/\\\+\*\[\],;<>&\~]"
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syn match rexxIdentifier "\<[a-zA-Z\!\?_]\([a-zA-Z0-9._?!]\)*\>"
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syn match rexxEnvironmentSymbol "\<\.\+\([a-zA-Z0-9._?!]\)*\>"
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" A Keyword is the first symbol in a clause. A clause begins at the start
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" of a line or after a semicolon. THEN, ELSE, OTHERWISE, and colons are always
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" followed by an implied semicolon.
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syn match rexxClause "\(^\|;\|:\|then \|else \|otherwise \)\s*\w\+" contains=ALLBUT,rexxParse2,rexxRaise2
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" Considered keywords when used together in a phrase and begin a clause
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syn match rexxParse "\<parse\s*\(\(upper\|lower\|caseless\)\s*\)\=\(arg\|linein\|pull\|source\|var\|\<value\>\|version\)\>"
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syn match rexxParse2 "\<with\>" contained containedin=rexxParse
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syn match rexxKeyword contained "\<numeric \(digits\|form \(scientific\|engineering\|value\)\|fuzz\)\>"
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syn match rexxKeyword contained "\<\(address\|trace\)\( value\)\=\>"
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syn match rexxKeyword contained "\<procedure\(\s*expose\)\=\>"
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syn match rexxKeyword contained "\<do\>\(\s*forever\)\=\>"
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syn match rexxKeyword contained "\<use\>\s*\<arg\>"
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" Another keyword phrase, separated to aid highlighting in rexxFunction
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syn match rexxKeyword contained "\<signal\(\s*\(on\|off\)\s*\(any\|error\|failure\|halt\|lostdigits\|nomethod\|nostring\|notready\|novalue\|syntax\|user\s*\k*\)\(\s\+name\)\=\)\=\>"
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syn match rexxKeyword2 contained "\<call\(\s*\(on\|off\)\s*\(any\|error\|failure\|halt\|notready\|user\s*\k*\)\(\s\+name\)\=\)\=\>"
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" Considered keywords when they begin a clause
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syn match rexxKeyword contained "\<\(arg\|do\|drop\|end\|exit\|expose\|forward\|if\|interpret\|iterate\|leave\|nop\)\>"
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syn match rexxKeyword contained "\<\(options\|pull\|push\|queue\|raise\|reply\|return\|say\|select\|trace\)\>"
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" Conditional phrases
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syn match rexxConditional "\(^\s*\| \)\(to\|by\|for\|until\|while\|then\|when\|otherwise\|else\|over\)\( \|\s*$\)"
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syn match rexxConditional contained "\<\(to\|by\|for\|until\|while\|then\|when\|otherwise\|else\|over\)\>"
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" must be after Conditional phrases!
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syn match rexxKeyword ".*\<\(then\|else\)\s*\<do\>"
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" Raise statement
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syn match rexxRaise "\(^\|;\|:\)\s\+\<raise\>\s*\<\(propagate\|error\|failure\|syntax\|user\)\>\="
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syn match rexxRaise2 "\<\(additional\|array\|description\|exit\|return\)\>" contained containedin=rexxRaise
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" Forward statement keywords
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syn match rexxForward "\(^\|;\|:\)\<forward\>\s*"
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syn match rexxForward2 "\<\(arguments\|array\|continue\|message\|class\|to\)\>" contained containedin=rexxForward
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" Functions/Procedures
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syn match rexxFunction "\<\w*\(/\*\s*\*/\)*("me=e-1 contains=rexxComment,rexxConditional,rexxKeyword,rexxIdentifier
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syn match rexxFunction "\<\<[a-zA-Z\!\?_]\([a-zA-Z0-9._?!]\)*\>("me=e-1
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syn match rexxFunction "\<call\s\+\k\+\>" contains=rexxKeyword2
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syn match rexxFunction "[()]"
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" String constants
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syn region rexxString start=+"+ skip=+""+ end=+"\(x\|b\)\=+ oneline
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syn region rexxString start=+'+ skip=+''+ end=+'\(x\|b\)\=+ oneline
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" Catch errors caused by wrong parenthesis
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syn region rexxParen transparent start='(' end=')' contains=ALLBUT,rexxParenError,rexxTodo,rexxLabel,rexxKeyword
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syn match rexxParenError ")"
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syn match rexxInParen "[\\[\\]{}]"
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" Comments
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syn region rexxComment start="/\*" end="\*/" contains=rexxTodo,rexxComment
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syn match rexxCommentError "\*/"
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syn match rexxLineComment /--.*/
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syn keyword rexxTodo contained TODO FIXME XXX
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" ooRexx messages
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syn region rexxMessageOperator start="\(\~\|\~\~\)" end="\(\S\|\s\)"me=e-1
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syn match rexxMessage "\(\~\|\~\~\)\s*\<\.*[a-zA-Z]\([a-zA-Z0-9._?!]\)*\>" contains=rexxMessageOperator
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" Highlight User Labels
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syn match rexxLabel "^\s*\k*\s*:"me=e-1
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syn match rexxLineContinue ",\ze\s*\(--.*\|\/\*.*\)*$"
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" the following is necessary, otherwise three consecutive dashes will cause it to highlight the first one
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syn match rexxLineContinue "-\ze\(\s+--.*\|\s*\/\*.*\)*$"
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" Special Variables
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syn keyword rexxSpecialVariable sigl rc result self super
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" Constants
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syn keyword rexxConst .true .false .nil
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" ooRexx builtin classes, first define dot to be o.k. in keywords
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syn keyword rexxBuiltinClass .object .class .method .message
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syn keyword rexxBuiltinClass .monitor .alarm
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syn keyword rexxBuiltinClass .stem .stream .string
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syn keyword rexxBuiltinClass .mutablebuffer
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syn keyword rexxBuiltinClass .array .list .queue .directory .table .set
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syn keyword rexxBuiltinClass .relation .bag .supplier .regularExpressions
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" Windows-only classes
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syn keyword rexxBuiltinClass .OLEObject .MenuObject .WindowsClipboard .WindowsEventLog
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syn keyword rexxBuiltinClass .WindowsManager .WindowObject .WindowsProgramManager
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" ooRexx directives, ---rgf location important, otherwise directives in top of
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" file not matched!
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syn region rexxClass start="::\s*class\s*"ms=e+1 end="\ze\(\s\|;\|$\)"
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syn region rexxMethod start="::\s*method\s*"ms=e+1 end="\ze\(\s\|;\|$\)"
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syn region rexxRequires start="::\s*requires\s*"ms=e+1 end="\ze\(\s\|;\|$\)"
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syn region rexxRoutine start="::\s*routine\s*"ms=e+1 end="\ze\(\s\|;\|$\)"
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syn region rexxDirective start="\(^\|;\)\s*::\s*\w\+" end="\($\|;\)" contains=rexxString,rexxComment,rexxLineComment,rexxClass,rexxMethod,rexxRoutine,rexxRequires keepend
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if !exists("rexx_minlines")
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" let rexx_minlines = 10
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let rexx_minlines = 500
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endif
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exec "syn sync ccomment rexxComment minlines=" . rexx_minlines
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" Define the default highlighting.
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" For version 5.7 and earlier: only when not done already
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" For version 5.8 and later: only when an item doesn't have highlighting yet
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if version >= 508 || !exists("did_rexx_syn_inits")
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if version < 508
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let did_rexx_syn_inits = 1
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command -nargs=+ HiLink hi link <args>
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else
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command -nargs=+ HiLink hi def link <args>
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endif
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HiLink rexxLabel Function
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HiLink rexxCharacter Character
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HiLink rexxParenError rexxError
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HiLink rexxInParen rexxError
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HiLink rexxCommentError rexxError
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HiLink rexxError Error
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HiLink rexxKeyword Statement
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HiLink rexxKeyword2 rexxKeyword
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HiLink rexxFunction Function
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HiLink rexxString String
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HiLink rexxComment Comment
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HiLink rexxTodo Todo
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HiLink rexxSpecialVariable Special
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HiLink rexxConditional rexxKeyword
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HiLink rexxOperator Operator
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HiLink rexxMessageOperator rexxOperator
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HiLink rexxLineComment RexxComment
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HiLink rexxLineContinue WildMenu
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HiLink rexxDirective rexxKeyword
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HiLink rexxClass Type
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HiLink rexxMethod rexxFunction
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HiLink rexxRequires Include
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HiLink rexxRoutine rexxFunction
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HiLink rexxConst Constant
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HiLink rexxTypeSpecifier Type
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HiLink rexxBuiltinClass rexxTypeSpecifier
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HiLink rexxEnvironmentSymbol rexxConst
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HiLink rexxMessage rexxFunction
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HiLink rexxParse rexxKeyword
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HiLink rexxParse2 rexxParse
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HiLink rexxRaise rexxKeyword
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HiLink rexxRaise2 rexxRaise
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HiLink rexxForward rexxKeyword
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HiLink rexxForward2 rexxForward
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delcommand HiLink
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endif
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let b:current_syntax = "rexx"
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"vim: ts=8
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