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36 lines
1.5 KiB
36 lines
1.5 KiB
" Vim syntax file
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" Language: EBNF
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" Maintainer: Hans Fugal
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" Last Change: $Date: 2003/01/28 14:42:09 $
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" Version: $Id: ebnf.vim,v 1.1 2003/01/28 14:42:09 fugalh Exp $
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" With thanks to Michael Brailsford for the BNF syntax file.
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" 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 match ebnfMetaIdentifier /[A-Za-z]/ skipwhite skipempty nextgroup=ebnfSeperator
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syn match ebnfSeperator "=" contained nextgroup=ebnfProduction skipwhite skipempty
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syn region ebnfProduction start=/\zs[^\.;]/ end=/[\.;]/me=e-1 contained contains=ebnfSpecial,ebnfDelimiter,ebnfTerminal,ebnfSpecialSequence,ebnfComment nextgroup=ebnfEndProduction skipwhite skipempty
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syn match ebnfDelimiter #[,(|)\]}\[{/!]\|\(\*)\)\|\((\*\)\|\(/)\)\|\(:)\)\|\((/\)\|\((:\)# contained
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syn match ebnfSpecial /[\-\*]/ contained
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syn region ebnfSpecialSequence matchgroup=Delimiter start=/?/ end=/?/ contained
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syn match ebnfEndProduction /[\.;]/ contained
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syn region ebnfTerminal matchgroup=delimiter start=/"/ end=/"/ contained
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syn region ebnfTerminal matchgroup=delimiter start=/'/ end=/'/ contained
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syn region ebnfComment start="(\*" end="\*)"
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hi link ebnfComment Comment
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hi link ebnfMetaIdentifier Identifier
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hi link ebnfSeperator ebnfSpecial
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hi link ebnfEndProduction ebnfDelimiter
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hi link ebnfDelimiter Delimiter
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hi link ebnfSpecial Special
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hi link ebnfSpecialSequence Statement
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hi link ebnfTerminal Constant
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