mirror of
https://github.com/vim/vim
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113 lines
4.4 KiB
VimL
113 lines
4.4 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: 2001 May 2
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" URL: http://mywebpage.netscape.com/sharpPeople/vim/syntax/rexx.vim
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"
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" Special Thanks to Dan Sharp <dwsharp@hotmail.com> for comments and additions
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" (and providing the webspace)
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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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" 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=ALL
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" Considered keywords when used together in a phrase and begin a clause
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syn match rexxKeyword contained "\<signal\( on \(error\|failure\|halt\|notready\|novalue\|syntax\|lostdigits\)\(\s\+name\)\=\)\=\>"
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syn match rexxKeyword contained "\<signal off \(error\|failure\|halt\|notready\|novalue\|syntax\|lostdigits\)\>"
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syn match rexxKeyword contained "\<call off \(error\|failure\|halt\|notready\)\>"
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syn match rexxKeyword contained "\<parse \(upper \)\=\(arg\|linein\|pull\|source\|var\|value\|version\)\>"
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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\( expose\)\=\>"
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syn match rexxKeyword contained "\<do\( forever\)\=\>"
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" Another keyword phrase, separated to aid highlighting in rexxFunction
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syn match rexxKeyword2 contained "\<call\( on \(error\|failure\|halt\|notready\)\(\s\+name\)\=\)\=\>"
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" Considered keywords when they begin a clause
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syn match rexxKeyword contained "\<\(arg\|drop\|end\|exit\|if\|interpret\|iterate\|leave\|nop\)\>"
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syn match rexxKeyword contained "\<\(options\|pull\|push\|queue\|return\|say\|select\|trace\)\>"
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" Conditional phrases
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syn match rexxConditional "\(^\s*\| \)\(to\|by\|for\|until\|while\|then\|when\|otherwise\|else\)\( \|\s*$\)" contains=ALLBUT,rexxConditional
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syn match rexxConditional contained "\<\(to\|by\|for\|until\|while\|then\|when\|else\|otherwise\)\>"
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" Assignments -- a keyword followed by an equal sign becomes a variable
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syn match rexxAssign "\<\w\+\s*=\s*" contains=rexxSpecialVariable
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" Functions/Procedures
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syn match rexxFunction "\<\h\w*\(/\*\s*\*/\)*("me=e-1 contains=rexxComment,rexxConditional,rexxKeyword
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syn match rexxFunction "\<\(arg\|trace\)\(/\*\s*\*/\)*("me=e-1
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syn match rexxFunction "\<call\( on \(error\|failure\|halt\|notready\)\(\s\+name\)\=\)\=\>\s\+\w\+\>" contains=rexxKeyword2
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" String constants
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syn region rexxString start=+"+ skip=+\\\\\|\\'+ end=+"+
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syn region rexxString start=+'+ skip=+\\\\\|\\"+ end=+'+
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syn match rexxCharacter +"'[^\\]'"+
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" Catch errors caused by wrong parenthesis
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syn region rexxParen transparent start='(' end=')' contains=ALLBUT,rexxParenError,rexxTodo,rexxUserLabel,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 keyword rexxTodo contained TODO FIXME XXX
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" Highlight User Labels
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syn match rexxUserLabel "\<\I\i*\s*:"me=e-1
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" Special Variables
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syn keyword rexxSpecialVariable sigl rc result
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syn match rexxCompoundVariable "\<\w\+\.\w*\>"
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if !exists("rexx_minlines")
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let rexx_minlines = 10
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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 rexxUserLabel 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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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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