forked from aniani/vim
101 lines
4.5 KiB
VimL
101 lines
4.5 KiB
VimL
" Vim syntax file
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" Language: Lex
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" Maintainer: Dr. Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
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" Last Change: Sep 06, 2005
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" Version: 7
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" URL: http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
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"
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" Option:
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" lex_uses_cpp : if this variable exists, then C++ is loaded rather than C
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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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" Read the C syntax to start with
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if version >= 600
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if exists("lex_uses_cpp")
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runtime! syntax/cpp.vim
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else
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runtime! syntax/c.vim
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endif
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unlet b:current_syntax
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else
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if exists("lex_uses_cpp")
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so <sfile>:p:h/cpp.vim
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else
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so <sfile>:p:h/c.vim
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endif
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endif
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" --- ========= ---
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" --- Lex stuff ---
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" --- ========= ---
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"I'd prefer to use lex.* , but it doesn't handle forward definitions yet
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syn cluster lexListGroup contains=lexAbbrvBlock,lexAbbrv,lexAbbrv,lexAbbrvRegExp,lexInclude,lexPatBlock,lexPat,lexBrace,lexPatString,lexPatTag,lexPatTag,lexPatComment,lexPatCodeLine,lexMorePat,lexPatSep,lexSlashQuote,lexPatCode,cInParen,cUserLabel,cOctalZero,cCppSkip,cErrInBracket,cErrInParen,cOctalError,cCppOut2,cCommentStartError,cParenError
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syn cluster lexListPatCodeGroup contains=lexAbbrvBlock,lexAbbrv,lexAbbrv,lexAbbrvRegExp,lexInclude,lexPatBlock,lexPat,lexBrace,lexPatTag,lexPatTag,lexPatComment,lexPatCodeLine,lexMorePat,lexPatSep,lexSlashQuote,cInParen,cUserLabel,cOctalZero,cCppSkip,cErrInBracket,cErrInParen,cOctalError,cCppOut2,cCommentStartError,cParenError
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" Abbreviations Section
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syn region lexAbbrvBlock start="^\(\h\+\s\|%{\)" end="^\ze%%$" skipnl nextgroup=lexPatBlock contains=lexAbbrv,lexInclude,lexAbbrvComment,lexStartState
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syn match lexAbbrv "^\I\i*\s"me=e-1 skipwhite contained nextgroup=lexAbbrvRegExp
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syn match lexAbbrv "^%[sx]" contained
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syn match lexAbbrvRegExp "\s\S.*$"lc=1 contained nextgroup=lexAbbrv,lexInclude
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syn region lexInclude matchgroup=lexSep start="^%{" end="%}" contained contains=ALLBUT,@lexListGroup
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syn region lexAbbrvComment start="^\s\+/\*" end="\*/" contains=@Spell
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syn region lexStartState matchgroup=lexAbbrv start="^%\a\+" end="$" contained
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"%% : Patterns {Actions}
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syn region lexPatBlock matchgroup=Todo start="^%%$" matchgroup=Todo end="^%%$" skipnl skipwhite contains=lexPat,lexPatTag,lexPatComment
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syn region lexPat start=+\S+ skip="\\\\\|\\." end="\s"me=e-1 contained nextgroup=lexMorePat,lexPatSep contains=lexPatString,lexSlashQuote,lexBrace
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syn region lexBrace start="\[" skip=+\\\\\|\\+ end="]" contained
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syn region lexPatString matchgroup=String start=+"+ skip=+\\\\\|\\"+ matchgroup=String end=+"+ contained
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syn match lexPatTag "^<\I\i*\(,\I\i*\)*>*" contained nextgroup=lexPat,lexPatTag,lexMorePat,lexPatSep
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syn match lexPatTag +^<\I\i*\(,\I\i*\)*>*\(\\\\\)*\\"+ contained nextgroup=lexPat,lexPatTag,lexMorePat,lexPatSep
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syn region lexPatComment start="^\s*/\*" end="\*/" skipnl contained contains=cTodo skipwhite nextgroup=lexPatComment,lexPat,@Spell
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syn match lexPatCodeLine ".*$" contained contains=ALLBUT,@lexListGroup
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syn match lexMorePat "\s*|\s*$" skipnl contained nextgroup=lexPat,lexPatTag,lexPatComment
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syn match lexPatSep "\s\+" contained nextgroup=lexMorePat,lexPatCode,lexPatCodeLine
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syn match lexSlashQuote +\(\\\\\)*\\"+ contained
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syn region lexPatCode matchgroup=Delimiter start="{" matchgroup=Delimiter end="}" skipnl contained contains=ALLBUT,@lexListPatCodeGroup
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syn keyword lexCFunctions BEGIN input unput woutput yyleng yylook yytext
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syn keyword lexCFunctions ECHO output winput wunput yyless yymore yywrap
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" <c.vim> includes several ALLBUTs; these have to be treated so as to exclude lex* groups
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syn cluster cParenGroup add=lex.*
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syn cluster cDefineGroup add=lex.*
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syn cluster cPreProcGroup add=lex.*
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syn cluster cMultiGroup add=lex.*
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" Synchronization
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syn sync clear
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syn sync minlines=300
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syn sync match lexSyncPat grouphere lexPatBlock "^%[a-zA-Z]"
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syn sync match lexSyncPat groupthere lexPatBlock "^<$"
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syn sync match lexSyncPat groupthere lexPatBlock "^%%$"
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" The default highlighting.
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hi def link lexSlashQuote lexPat
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hi def link lexBrace lexPat
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hi def link lexAbbrvComment lexPatComment
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hi def link lexAbbrvRegExp Macro
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hi def link lexAbbrv SpecialChar
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hi def link lexCFunctions Function
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hi def link lexMorePat SpecialChar
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hi def link lexPatComment Comment
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hi def link lexPat Function
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hi def link lexPatString Function
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hi def link lexPatTag Special
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hi def link lexSep Delimiter
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hi def link lexStartState Statement
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let b:current_syntax = "lex"
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" vim:ts=10
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