mirror of
https://github.com/neovim/neovim.git
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144 lines
6.6 KiB
VimL
144 lines
6.6 KiB
VimL
" Vim syntax file
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" Language: Lex
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" Maintainer: Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz>
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" Last Change: Aug 31, 2016
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" Version: 16
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" URL: http://mysite.verizon.net/astronaut/vim/index.html#SYNTAX_LEX
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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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" 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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" Read the C/C++ syntax to start with
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let s:Cpath= fnameescape(expand("<sfile>:p:h").(exists("g:lex_uses_cpp")? "/cpp.vim" : "/c.vim"))
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if !filereadable(s:Cpath)
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for s:Cpath in split(globpath(&rtp,(exists("g:lex_uses_cpp")? "syntax/cpp.vim" : "syntax/c.vim")),"\n")
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if filereadable(fnameescape(s:Cpath))
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let s:Cpath= fnameescape(s:Cpath)
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break
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endif
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endfor
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endif
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exe "syn include @lexCcode ".s:Cpath
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" --- ========= ---
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" --- Lex stuff ---
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" --- ========= ---
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" Options Section
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syn match lexOptions '^%\s*option\>.*$' contains=lexPatString
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" Abbreviations Section
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if has("folding")
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syn region lexAbbrvBlock fold start="^\(\h\+\s\|%{\)" end="^\ze%%$" skipnl nextgroup=lexPatBlock contains=lexAbbrv,lexInclude,lexAbbrvComment,lexStartState
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else
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syn region lexAbbrvBlock start="^\(\h\+\s\|%{\)" end="^\ze%%$" skipnl nextgroup=lexPatBlock contains=lexAbbrv,lexInclude,lexAbbrvComment,lexStartState
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endif
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syn match lexAbbrv "^\I\i*\s"me=e-1 skipwhite contained nextgroup=lexAbbrvRegExp
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syn match lexAbbrv "^%[sx]" contained
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syn match lexAbbrvRegExp "\s\S.*$"lc=1 contained nextgroup=lexAbbrv,lexInclude
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if has("folding")
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syn region lexInclude fold matchgroup=lexSep start="^%{" end="%}" contained contains=@lexCcode
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syn region lexAbbrvComment fold start="^\s\+/\*" end="\*/" contains=@Spell
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syn region lexAbbrvComment fold start="\%^/\*" end="\*/" contains=@Spell
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syn region lexStartState fold matchgroup=lexAbbrv start="^%\a\+" end="$" contained
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else
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syn region lexInclude matchgroup=lexSep start="^%{" end="%}" contained contains=@lexCcode
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syn region lexAbbrvComment start="^\s\+/\*" end="\*/" contains=@Spell
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syn region lexAbbrvComment start="\%^/\*" end="\*/" contains=@Spell
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syn region lexStartState matchgroup=lexAbbrv start="^%\a\+" end="$" contained
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endif
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"%% : Patterns {Actions}
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if has("folding")
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syn region lexPatBlock fold matchgroup=Todo start="^%%$" matchgroup=Todo end="^%\ze%$" skipnl skipwhite nextgroup=lexFinalCodeBlock contains=lexPatTag,lexPatTagZone,lexPatComment,lexPat,lexPatInclude
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syn region lexPat fold start=+\S+ skip="\\\\\|\\." end="\s"me=e-1 skipwhite contained nextgroup=lexMorePat,lexPatSep,lexPattern contains=lexPatTag,lexPatString,lexSlashQuote,lexBrace
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syn region lexPatInclude fold matchgroup=lexSep start="^%{" end="%}" contained contains=lexPatCode
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syn region lexBrace fold start="\[" skip=+\\\\\|\\+ end="]" contained
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syn region lexPatString fold matchgroup=String start=+"+ skip=+\\\\\|\\"+ matchgroup=String end=+"+ contained
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else
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syn region lexPatBlock matchgroup=Todo start="^%%$" matchgroup=Todo end="^%%$" skipnl skipwhite nextgroup=lexFinalCodeBlock contains=lexPatTag,lexPatTagZone,lexPatComment,lexPat,lexPatInclude
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syn region lexPat start=+\S+ skip="\\\\\|\\." end="\s"me=e-1 skipwhite contained nextgroup=lexMorePat,lexPatSep,lexPattern contains=lexPatTag,lexPatString,lexSlashQuote,lexBrace
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syn region lexPatInclude matchgroup=lexSep start="^%{" end="%}" contained contains=lexPatCode
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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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endif
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syn match lexPatTag "^<\I\i*\(,\I\i*\)*>" contained nextgroup=lexPat,lexPatTag,lexMorePat,lexPatSep
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syn match lexPatTagZone "^<\I\i*\(,\I\i*\)*>\s\+\ze{" contained nextgroup=lexPatTagZoneStart
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syn match lexPatTag +^<\I\i*\(,\I\i*\)*>*\(\\\\\)*\\"+ contained nextgroup=lexPat,lexPatTag,lexMorePat,lexPatSep
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" Lex Patterns
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syn region lexPattern start='[^ \t{}]' end="$" contained contains=lexPatRange
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syn region lexPatRange matchgroup=Delimiter start='\[' skip='\\\\\|\\.' end='\]' contains=lexEscape
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syn match lexEscape '\%(\\\\\)*\\.' contained
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if has("folding")
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syn region lexPatTagZoneStart matchgroup=lexPatTag fold start='{' end='}' contained contains=lexPat,lexPatComment
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syn region lexPatComment start="\s\+/\*" end="\*/" fold skipnl contained contains=cTodo skipwhite nextgroup=lexPatComment,lexPat,@Spell
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else
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syn region lexPatTagZoneStart matchgroup=lexPatTag start='{' end='}' contained contains=lexPat,lexPatComment
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syn region lexPatComment start="\s\+/\*" end="\*/" skipnl contained contains=cTodo skipwhite nextgroup=lexPatComment,lexPat,@Spell
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endif
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syn match lexPatCodeLine "[^{\[].*" contained contains=@lexCcode
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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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if has("folding")
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syn region lexPatCode matchgroup=Delimiter start="{" end="}" fold skipnl contained contains=@lexCcode,lexCFunctions
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else
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syn region lexPatCode matchgroup=Delimiter start="{" end="}" skipnl contained contains=@lexCcode,lexCFunctions
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endif
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" Lex "functions" which may appear in C/C++ code blocks
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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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" %%
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" lexAbbrevBlock
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" %%
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" lexPatBlock
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" %%
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" lexFinalCodeBlock
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syn region lexFinalCodeBlock matchgroup=Todo start="%$"me=e-1 end="\%$" contained contains=@lexCcode
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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=500
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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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if !exists("skip_lex_syntax_inits")
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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 lexBrace lexPat
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hi def link lexCFunctions Function
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hi def link lexCstruct cStructure
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hi def link lexMorePat SpecialChar
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hi def link lexOptions PreProc
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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 lexPatTagZone lexPatTag
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hi def link lexSep Delimiter
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hi def link lexSlashQuote lexPat
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hi def link lexStartState Statement
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endif
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let b:current_syntax = "lex"
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" vim:ts=10
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