206 lines
6.9 KiB
VimL
206 lines
6.9 KiB
VimL
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if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
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" Vim syntax file
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"
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" Language: NATURAL
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" Version: 2.1.0.5
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" Maintainer: Marko von Oppen <marko@von-oppen.com>
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" Last Changed: 2012-02-05 18:50:43
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" Support: http://www.von-oppen.com/
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" quit when a syntax file was already loaded
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if exists("b:current_syntax")
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finish
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endif
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setlocal iskeyword+=-,*,#,+,_,/
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let s:cpo_save = &cpo
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set cpo&vim
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" NATURAL is case insensitive
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syntax case ignore
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" preprocessor
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syn keyword naturalInclude include nextgroup=naturalObjName skipwhite
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" define data
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syn keyword naturalKeyword define data end-define
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syn keyword naturalKeyword independent global parameter local redefine view
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syn keyword naturalKeyword const[ant] init initial
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" loops
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syn keyword naturalLoop read end-read end-work find end-find histogram end-histogram
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syn keyword naturalLoop end-all sort end-sort sorted descending ascending
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syn keyword naturalRepeat repeat end-repeat while until for step end-for
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syn keyword naturalKeyword in file with field starting from ending at thru by isn where
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syn keyword naturalError on error end-error
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syn keyword naturalKeyword accept reject end-enddata number unique retain as release
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syn keyword naturalKeyword start end-start break end-break physical page top sequence
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syn keyword naturalKeyword end-toppage end-endpage end-endfile before processing
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syn keyword naturalKeyword end-before
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" conditionals
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syn keyword naturalConditional if then else end-if end-norec
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syn keyword naturalConditional decide end-decide value when condition none any
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" assignment / calculation
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syn keyword naturalKeyword reset assign move left right justified compress to into edited
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syn keyword naturalKeyword add subtract multiply divide compute name
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syn keyword naturalKeyword all giving remainder rounded leaving space numeric
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syn keyword naturalKeyword examine full replace giving separate delimiter modified
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syn keyword naturalKeyword suspend identical suppress
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" program flow
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syn keyword naturalFlow callnat fetch return enter escape bottom top stack formatted
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syn keyword naturalFlow command call
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syn keyword naturalflow end-subroutine routine
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" file operations
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syn keyword naturalKeyword update store get delete end transaction work once close
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" other keywords
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syn keyword naturalKeyword first every of no record[s] found ignore immediate
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syn keyword naturalKeyword set settime key control stop terminate
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" in-/output
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syn keyword naturalKeyword write display input reinput notitle nohdr map newpage
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syn keyword naturalKeyword alarm text help eject index window base size
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syn keyword naturalKeyword format printer skip lines
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" functions
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syn keyword naturalKeyword abs atn cos exp frac int log sgn sin sqrt tan val old
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syn keyword naturalKeyword pos
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" report mode keywords
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syn keyword naturalRMKeyword same loop obtain indexed do doend
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" Subroutine name
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syn keyword naturalFlow perform subroutine nextgroup=naturalFunction skipwhite
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syn match naturalFunction "\<[a-z][-_a-z0-9]*\>"
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syn keyword naturalFlow using nextgroup=naturalKeyword,naturalObjName skipwhite
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syn match naturalObjName "\<[a-z][-_a-z0-9]\{,7}\>"
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" Labels
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syn match naturalLabel "\<[+#a-z][-_#a-z0-9]*\."
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syn match naturalRef "\<[+#a-z][-_#a-z0-9]*\>\.\<[+#a-z][*]\=[-_#a-z0-9]*\>"
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" mark keyword special handling
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syn keyword naturalKeyword mark nextgroup=naturalMark skipwhite
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syn match naturalMark "\<\*[a-z][-_#.a-z0-9]*\>"
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" System variables
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syn match naturalSysVar "\<\*[a-z][-a-z0-9]*\>"
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"integer number, or floating point number without a dot.
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syn match naturalNumber "\<-\=\d\+\>"
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"floating point number, with dot
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syn match naturalNumber "\<-\=\d\+\.\d\+\>"
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"floating point number, starting with a dot
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syn match naturalNumber "\.\d\+"
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" Formats in write statement
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syn match naturalFormat "\<\d\+[TX]\>"
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" String and Character contstants
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syn match naturalString "H'\x\+'"
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syn region naturalString start=+"+ end=+"+
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syn region naturalString start=+'+ end=+'+
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" Type definition
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syn match naturalAttribute "\<[-a-z][a-z]=[-a-z0-9_\.,]\+\>"
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syn match naturalType contained "\<[ABINP]\d\+\(,\d\+\)\=\>"
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syn match naturalType contained "\<[CL]\>"
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" "TODO" / other comments
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syn keyword naturalTodo contained todo test
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syn match naturalCommentMark contained "[a-z][^ \t/:|]*\(\s[^ \t/:'"|]\+\)*:\s"he=e-1
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" comments
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syn region naturalComment start="/\*" end="$" contains=naturalTodo,naturalLineRef,naturalCommentMark
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syn region naturalComment start="^\*[ *]" end="$" contains=naturalTodo,naturalLineRef,naturalCommentMark
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syn region naturalComment start="^\d\{4} \*[\ \*]"lc=5 end="$" contains=naturalTodo,naturalLineRef,naturalCommentMark
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syn match naturalComment "^\*$"
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syn match naturalComment "^\d\{4} \*$"lc=5
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" /* is legal syntax in parentheses e.g. "#ident(label./*)"
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syn region naturalPComment contained start="/\*\s*[^),]" end="$" contains=naturalTodo,naturalLineRef,naturalCommentMark
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" operators
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syn keyword naturalOperator and or not eq ne gt lt ge le mask scan modified
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" constants
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syn keyword naturalBoolean true false
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syn match naturalLineNo "^\d\{4}"
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" identifiers
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syn match naturalIdent "\<[+#a-z][-_#a-z0-9]*\>[^\.']"me=e-1
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syn match naturalIdent "\<[+#a-z][-_#a-z0-9]*$"
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syn match naturalLegalIdent "[+#a-z][-_#a-z0-9]*/[-_#a-z0-9]*"
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" parentheses
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syn region naturalPar matchgroup=naturalParGui start="(" end=")" contains=naturalLabel,naturalRef,naturalOperator,@naturalConstant,naturalType,naturalSysVar,naturalPar,naturalLineNo,naturalPComment
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syn match naturalLineRef "(\d\{4})"
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" build syntax groups
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syntax cluster naturalConstant contains=naturalString,naturalNumber,naturalAttribute,naturalBoolean
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" folding
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if v:version >= 600
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set foldignore=*
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endif
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" The default methods for highlighting. Can be overridden later
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" Constants
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hi def link naturalFormat Constant
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hi def link naturalAttribute Constant
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hi def link naturalNumber Number
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hi def link naturalString String
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hi def link naturalBoolean Boolean
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" All kinds of keywords
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hi def link naturalConditional Conditional
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hi def link naturalRepeat Repeat
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hi def link naturalLoop Repeat
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hi def link naturalFlow Keyword
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hi def link naturalError Keyword
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hi def link naturalKeyword Keyword
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hi def link naturalOperator Operator
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hi def link naturalParGui Operator
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" Labels
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hi def link naturalLabel Label
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hi def link naturalRefLabel Label
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" Comments
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hi def link naturalPComment Comment
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hi def link naturalComment Comment
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hi def link naturalTodo Todo
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hi def link naturalCommentMark PreProc
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hi def link naturalInclude Include
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hi def link naturalSysVar Identifier
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hi def link naturalLineNo LineNr
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hi def link naturalLineRef Error
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hi def link naturalSpecial Special
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hi def link naturalComKey Todo
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" illegal things
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hi def link naturalRMKeyword Error
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hi def link naturalLegalIdent Error
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hi def link naturalType Type
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hi def link naturalFunction Function
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hi def link naturalObjName PreProc
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let b:current_syntax = "natural"
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim:set ts=8 sw=8 noet ft=vim list:
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endif
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