Edit: lex.vim
" Vim syntax file " Language: Lex " Maintainer: Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz> " Last Change: Aug 31, 2016 " Version: 16 " URL: http://mysite.verizon.net/astronaut/vim/index.html#SYNTAX_LEX " " Option: " lex_uses_cpp : if this variable exists, then C++ is loaded rather than C " quit when a syntax file was already loaded if exists("b:current_syntax") finish endif " Read the C/C++ syntax to start with let s:Cpath= fnameescape(expand("<sfile>:p:h").(exists("g:lex_uses_cpp")? "/cpp.vim" : "/c.vim")) if !filereadable(s:Cpath) for s:Cpath in split(globpath(&rtp,(exists("g:lex_uses_cpp")? "syntax/cpp.vim" : "syntax/c.vim")),"\n") if filereadable(fnameescape(s:Cpath)) let s:Cpath= fnameescape(s:Cpath) break endif endfor endif exe "syn include @lexCcode ".s:Cpath " --- ========= --- " --- Lex stuff --- " --- ========= --- " Options Section syn match lexOptions '^%\s*option\>.*$' contains=lexPatString " Abbreviations Section if has("folding") syn region lexAbbrvBlock fold start="^\(\h\+\s\|%{\)" end="^\ze%%$" skipnl nextgroup=lexPatBlock contains=lexAbbrv,lexInclude,lexAbbrvComment,lexStartState else syn region lexAbbrvBlock start="^\(\h\+\s\|%{\)" end="^\ze%%$" skipnl nextgroup=lexPatBlock contains=lexAbbrv,lexInclude,lexAbbrvComment,lexStartState endif syn match lexAbbrv "^\I\i*\s"me=e-1 skipwhite contained nextgroup=lexAbbrvRegExp syn match lexAbbrv "^%[sx]" contained syn match lexAbbrvRegExp "\s\S.*$"lc=1 contained nextgroup=lexAbbrv,lexInclude if has("folding") syn region lexInclude fold matchgroup=lexSep start="^%{" end="%}" contained contains=@lexCcode syn region lexAbbrvComment fold start="^\s\+/\*" end="\*/" contains=@Spell syn region lexAbbrvComment fold start="\%^/\*" end="\*/" contains=@Spell syn region lexStartState fold matchgroup=lexAbbrv start="^%\a\+" end="$" contained else syn region lexInclude matchgroup=lexSep start="^%{" end="%}" contained contains=@lexCcode syn region lexAbbrvComment start="^\s\+/\*" end="\*/" contains=@Spell syn region lexAbbrvComment start="\%^/\*" end="\*/" contains=@Spell syn region lexStartState matchgroup=lexAbbrv start="^%\a\+" end="$" contained endif "%% : Patterns {Actions} if has("folding") syn region lexPatBlock fold matchgroup=Todo start="^%%$" matchgroup=Todo end="^%\ze%$" skipnl skipwhite nextgroup=lexFinalCodeBlock contains=lexPatTag,lexPatTagZone,lexPatComment,lexPat,lexPatInclude syn region lexPat fold start=+\S+ skip="\\\\\|\\." end="\s"me=e-1 skipwhite contained nextgroup=lexMorePat,lexPatSep,lexPattern contains=lexPatTag,lexPatString,lexSlashQuote,lexBrace syn region lexPatInclude fold matchgroup=lexSep start="^%{" end="%}" contained contains=lexPatCode syn region lexBrace fold start="\[" skip=+\\\\\|\\+ end="]" contained syn region lexPatString fold matchgroup=String start=+"+ skip=+\\\\\|\\"+ matchgroup=String end=+"+ contained else syn region lexPatBlock matchgroup=Todo start="^%%$" matchgroup=Todo end="^%%$" skipnl skipwhite nextgroup=lexFinalCodeBlock contains=lexPatTag,lexPatTagZone,lexPatComment,lexPat,lexPatInclude syn region lexPat start=+\S+ skip="\\\\\|\\." end="\s"me=e-1 skipwhite contained nextgroup=lexMorePat,lexPatSep,lexPattern contains=lexPatTag,lexPatString,lexSlashQuote,lexBrace syn region lexPatInclude matchgroup=lexSep start="^%{" end="%}" contained contains=lexPatCode syn region lexBrace start="\[" skip=+\\\\\|\\+ end="]" contained syn region lexPatString matchgroup=String start=+"+ skip=+\\\\\|\\"+ matchgroup=String end=+"+ contained endif syn match lexPatTag "^<\I\i*\(,\I\i*\)*>" contained nextgroup=lexPat,lexPatTag,lexMorePat,lexPatSep syn match lexPatTagZone "^<\I\i*\(,\I\i*\)*>\s\+\ze{" contained nextgroup=lexPatTagZoneStart syn match lexPatTag +^<\I\i*\(,\I\i*\)*>*\(\\\\\)*\\"+ contained nextgroup=lexPat,lexPatTag,lexMorePat,lexPatSep " Lex Patterns syn region lexPattern start='[^ \t{}]' end="$" contained contains=lexPatRange syn region lexPatRange matchgroup=Delimiter start='\[' skip='\\\\\|\\.' end='\]' contains=lexEscape syn match lexEscape '\%(\\\\\)*\\.' contained if has("folding") syn region lexPatTagZoneStart matchgroup=lexPatTag fold start='{' end='}' contained contains=lexPat,lexPatComment syn region lexPatComment start="\s\+/\*" end="\*/" fold skipnl contained contains=cTodo skipwhite nextgroup=lexPatComment,lexPat,@Spell else syn region lexPatTagZoneStart matchgroup=lexPatTag start='{' end='}' contained contains=lexPat,lexPatComment syn region lexPatComment start="\s\+/\*" end="\*/" skipnl contained contains=cTodo skipwhite nextgroup=lexPatComment,lexPat,@Spell endif syn match lexPatCodeLine "[^{\[].*" contained contains=@lexCcode syn match lexMorePat "\s*|\s*$" skipnl contained nextgroup=lexPat,lexPatTag,lexPatComment syn match lexPatSep "\s\+" contained nextgroup=lexMorePat,lexPatCode,lexPatCodeLine syn match lexSlashQuote +\(\\\\\)*\\"+ contained if has("folding") syn region lexPatCode matchgroup=Delimiter start="{" end="}" fold skipnl contained contains=@lexCcode,lexCFunctions else syn region lexPatCode matchgroup=Delimiter start="{" end="}" skipnl contained contains=@lexCcode,lexCFunctions endif " Lex "functions" which may appear in C/C++ code blocks syn keyword lexCFunctions BEGIN input unput woutput yyleng yylook yytext syn keyword lexCFunctions ECHO output winput wunput yyless yymore yywrap " %% " lexAbbrevBlock " %% " lexPatBlock " %% " lexFinalCodeBlock syn region lexFinalCodeBlock matchgroup=Todo start="%$"me=e-1 end="\%$" contained contains=@lexCcode " <c.vim> includes several ALLBUTs; these have to be treated so as to exclude lex* groups syn cluster cParenGroup add=lex.* syn cluster cDefineGroup add=lex.* syn cluster cPreProcGroup add=lex.* syn cluster cMultiGroup add=lex.* " Synchronization syn sync clear syn sync minlines=500 syn sync match lexSyncPat grouphere lexPatBlock "^%[a-zA-Z]" syn sync match lexSyncPat groupthere lexPatBlock "^<$" syn sync match lexSyncPat groupthere lexPatBlock "^%%$" " The default highlighting. if !exists("skip_lex_syntax_inits") hi def link lexAbbrvComment lexPatComment hi def link lexAbbrvRegExp Macro hi def link lexAbbrv SpecialChar hi def link lexBrace lexPat hi def link lexCFunctions Function hi def link lexCstruct cStructure hi def link lexMorePat SpecialChar hi def link lexOptions PreProc hi def link lexPatComment Comment hi def link lexPat Function hi def link lexPatString Function hi def link lexPatTag Special hi def link lexPatTagZone lexPatTag hi def link lexSep Delimiter hi def link lexSlashQuote lexPat hi def link lexStartState Statement endif let b:current_syntax = "lex" " vim:ts=10
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