runtime/syntax/csh.vim - third_party/vim - Git at Google

 " Vim syntax file
 " Language:	C-shell (csh)
 " Maintainer:	Dr. Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
 " Version:	9
 " Last Change:	Sep 06, 2005
 " URL:	http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax

 " For version 5.x: Clear all syntax items
 " For version 6.x: Quit when a syntax file was already loaded
 if version < 600
   syntax clear
 elseif exists("b:current_syntax")
   finish
 endif

 " clusters:
 syn cluster cshQuoteList	contains=cshDblQuote,cshSnglQuote,cshBckQuote
 syn cluster cshVarList	contains=cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst

 " Variables which affect the csh itself
 syn match cshSetVariables	contained "argv\|histchars\|ignoreeof\|noglob\|prompt\|status"
 syn match cshSetVariables	contained "cdpath\|history\|mail\|nonomatch\|savehist\|time"
 syn match cshSetVariables	contained "cwd\|home\|noclobber\|path\|shell\|verbose"
 syn match cshSetVariables	contained "echo"

 syn case ignore
 syn keyword cshTodo	contained todo
 syn case match

 " Variable Name Expansion Modifiers
 syn match cshModifier	contained ":\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"

 " Strings and Comments
 syn match   cshNoEndlineDQ	contained "[^\"]\(\\\\\)*$"
 syn match   cshNoEndlineSQ	contained "[^\']\(\\\\\)*$"
 syn match   cshNoEndlineBQ	contained "[^\`]\(\\\\\)*$"

 syn region  cshDblQuote	start=+[^\\]"+lc=1 skip=+\\\\\|\\"+ end=+"+	contains=cshSpecial,cshShellVariables,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ,cshBckQuote
 syn region  cshSnglQuote	start=+[^\\]'+lc=1 skip=+\\\\\|\\'+ end=+'+	contains=cshNoEndlineSQ
 syn region  cshBckQuote	start=+[^\\]`+lc=1 skip=+\\\\\|\\`+ end=+`+	contains=cshNoEndlineBQ
 syn region  cshDblQuote	start=+^"+ skip=+\\\\\|\\"+ end=+"+		contains=cshSpecial,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ
 syn region  cshSnglQuote	start=+^'+ skip=+\\\\\|\\'+ end=+'+		contains=cshNoEndlineSQ
 syn region  cshBckQuote	start=+^`+ skip=+\\\\\|\\`+ end=+`+		contains=cshNoEndlineBQ
 syn cluster cshCommentGroup	contains=cshTodo,@Spell
 syn match   cshComment	"#.*$" contains=@cshCommentGroup

 " A bunch of useful csh keywords
 syn keyword cshStatement	alias	end	history	onintr	setenv	unalias
 syn keyword cshStatement	cd	eval	kill	popd	shift	unhash
 syn keyword cshStatement	chdir	exec	login	pushd	source
 syn keyword cshStatement	continue	exit	logout	rehash	time	unsetenv
 syn keyword cshStatement	dirs	glob	nice	repeat	umask	wait
 syn keyword cshStatement	echo	goto	nohup

 syn keyword cshConditional	break	case	else	endsw	switch
 syn keyword cshConditional	breaksw	default	endif
 syn keyword cshRepeat	foreach

 " Special environment variables
 syn keyword cshShellVariables	HOME	LOGNAME	PATH	TERM	USER

 " Modifiable Variables without {}
 syn match cshExtVar	"\$[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\="		contains=cshModifier
 syn match cshSelector	"\$[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\="	contains=cshModifier
 syn match cshQtyWord	"\$#[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\="		contains=cshModifier
 syn match cshArgv		"\$\d\+\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\="			contains=cshModifier
 syn match cshArgv		"\$\*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\="			contains=cshModifier

 " Modifiable Variables with {}
 syn match cshExtVar	"\${[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}"		contains=cshModifier
 syn match cshSelector	"\${[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}"	contains=cshModifier
 syn match cshQtyWord	"\${#[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}"		contains=cshModifier
 syn match cshArgv		"\${\d\+\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}"			contains=cshModifier

 " UnModifiable Substitutions
 syn match cshSubstError	"\$?[a-zA-Z_][a-zA-Z0-9_]*:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
 syn match cshSubstError	"\${?[a-zA-Z_][a-zA-Z0-9_]*:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)}"
 syn match cshSubstError	"\$?[0$<]:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
 syn match cshSubst	"\$?[a-zA-Z_][a-zA-Z0-9_]*"
 syn match cshSubst	"\${?[a-zA-Z_][a-zA-Z0-9_]*}"
 syn match cshSubst	"\$?[0$<]"

 " I/O redirection
 syn match cshRedir	">>&!\|>&!\|>>&\|>>!\|>&\|>!\|>>\|<<\|>\|<"

 " Handle set expressions
 syn region  cshSetExpr	matchgroup=cshSetStmt start="\<set\>\|\<unset\>" end="$\|;" contains=cshComment,cshSetStmt,cshSetVariables,@cshQuoteList

 " Operators and Expression-Using constructs
 "syn match   cshOperator	contained "&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|\|%\|&\|+\|-\|/\|<\|>\||"
 syn match   cshOperator	contained "&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|%\|&\|+\|-\|/\|<\|>\||"
 syn match   cshOperator	contained "[(){}]"
 syn region  cshTest	matchgroup=cshStatement start="\<if\>\|\<while\>" skip="\\$" matchgroup=cshStatement end="\<then\>\|$" contains=cshComment,cshOperator,@cshQuoteList,@cshVarLIst

 " Highlight special characters (those which have a backslash) differently
 syn match cshSpecial	contained "\\\d\d\d\|\\[abcfnrtv\\]"
 syn match cshNumber	"-\=\<\d\+\>"

 " All other identifiers
 "syn match cshIdentifier	"\<[a-zA-Z._][a-zA-Z0-9._]*\>"

 " Shell Input Redirection (Here Documents)
 if version < 600
   syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**END[a-zA-Z_0-9]*\**" matchgroup=cshRedir end="^END[a-zA-Z_0-9]*$"
   syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**EOF\**" matchgroup=cshRedir end="^EOF$"
 else
   syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**\z(\h\w*\)\**" matchgroup=cshRedir end="^\z1$"
 endif

 " Define the default highlighting.
 " For version 5.7 and earlier: only when not done already
 " For version 5.8 and later: only when an item doesn't have highlighting yet
 if version >= 508 || !exists("did_csh_syntax_inits")
   if version < 508
     let did_csh_syntax_inits = 1
     command -nargs=+ HiLink hi link <args>
   else
     command -nargs=+ HiLink hi def link <args>
   endif

   HiLink cshArgv		cshVariables
   HiLink cshBckQuote	cshCommand
   HiLink cshDblQuote	cshString
   HiLink cshExtVar	cshVariables
   HiLink cshHereDoc	cshString
   HiLink cshNoEndlineBQ	cshNoEndline
   HiLink cshNoEndlineDQ	cshNoEndline
   HiLink cshNoEndlineSQ	cshNoEndline
   HiLink cshQtyWord	cshVariables
   HiLink cshRedir		cshOperator
   HiLink cshSelector	cshVariables
   HiLink cshSetStmt	cshStatement
   HiLink cshSetVariables	cshVariables
   HiLink cshSnglQuote	cshString
   HiLink cshSubst		cshVariables

   HiLink cshCommand	Statement
   HiLink cshComment	Comment
   HiLink cshConditional	Conditional
   HiLink cshIdentifier	Error
   HiLink cshModifier	Special
   HiLink cshNoEndline	Error
   HiLink cshNumber	Number
   HiLink cshOperator	Operator
   HiLink cshRedir		Statement
   HiLink cshRepeat	Repeat
   HiLink cshShellVariables	Special
   HiLink cshSpecial	Special
   HiLink cshStatement	Statement
   HiLink cshString	String
   HiLink cshSubstError	Error
   HiLink cshTodo		Todo
   HiLink cshVariables	Type

   delcommand HiLink
 endif

 let b:current_syntax = "csh"

 " vim: ts=18
	" Vim syntax file
	" Language: C-shell (csh)
	" Maintainer: Dr. Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
	" Version: 9
	" Last Change: Sep 06, 2005
	" URL: http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax

	" For version 5.x: Clear all syntax items
	" For version 6.x: Quit when a syntax file was already loaded
	if version < 600
	syntax clear
	elseif exists("b:current_syntax")
	finish
	endif

	" clusters:
	syn cluster cshQuoteList contains=cshDblQuote,cshSnglQuote,cshBckQuote
	syn cluster cshVarList contains=cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst

	" Variables which affect the csh itself
	syn match cshSetVariables contained "argv\\|histchars\\|ignoreeof\\|noglob\\|prompt\\|status"
	syn match cshSetVariables contained "cdpath\\|history\\|mail\\|nonomatch\\|savehist\\|time"
	syn match cshSetVariables contained "cwd\\|home\\|noclobber\\|path\\|shell\\|verbose"
	syn match cshSetVariables contained "echo"

	syn case ignore
	syn keyword cshTodo contained todo
	syn case match

	" Variable Name Expansion Modifiers
	syn match cshModifier contained ":\(h\\|t\\|r\\|q\\|x\\|gh\\|gt\\|gr\)"

	" Strings and Comments
	syn match cshNoEndlineDQ contained "[^\"]\(\\\\\)*$"
	syn match cshNoEndlineSQ contained "[^\']\(\\\\\)*$"
	syn match cshNoEndlineBQ contained "[^\`]\(\\\\\)*$"

	syn region cshDblQuote start=+[^\\]"+lc=1 skip=+\\\\\\|\\"+ end=+"+ contains=cshSpecial,cshShellVariables,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ,cshBckQuote
	syn region cshSnglQuote start=+[^\\]'+lc=1 skip=+\\\\\\|\\'+ end=+'+ contains=cshNoEndlineSQ
	syn region cshBckQuote start=+[^\\]`+lc=1 skip=+\\\\\\|\\`+ end=+`+ contains=cshNoEndlineBQ
	syn region cshDblQuote start=+^"+ skip=+\\\\\\|\\"+ end=+"+ contains=cshSpecial,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ
	syn region cshSnglQuote start=+^'+ skip=+\\\\\\|\\'+ end=+'+ contains=cshNoEndlineSQ
	syn region cshBckQuote start=+^`+ skip=+\\\\\\|\\`+ end=+`+ contains=cshNoEndlineBQ
	syn cluster cshCommentGroup contains=cshTodo,@Spell
	syn match cshComment "#.*$" contains=@cshCommentGroup

	" A bunch of useful csh keywords
	syn keyword cshStatement alias end history onintr setenv unalias
	syn keyword cshStatement cd eval kill popd shift unhash
	syn keyword cshStatement chdir exec login pushd source
	syn keyword cshStatement continue exit logout rehash time unsetenv
	syn keyword cshStatement dirs glob nice repeat umask wait
	syn keyword cshStatement echo goto nohup

	syn keyword cshConditional break case else endsw switch
	syn keyword cshConditional breaksw default endif
	syn keyword cshRepeat foreach

	" Special environment variables
	syn keyword cshShellVariables HOME LOGNAME PATH TERM USER

	" Modifiable Variables without {}
	syn match cshExtVar "\$[a-zA-Z_][a-zA-Z0-9_]*\(:h\\|:t\\|:r\\|:q\\|:x\\|:gh\\|:gt\\|:gr\)\=" contains=cshModifier
	syn match cshSelector "\$[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\\|:t\\|:r\\|:q\\|:x\\|:gh\\|:gt\\|:gr\)\=" contains=cshModifier
	syn match cshQtyWord "\$#[a-zA-Z_][a-zA-Z0-9_]*\(:h\\|:t\\|:r\\|:q\\|:x\\|:gh\\|:gt\\|:gr\)\=" contains=cshModifier
	syn match cshArgv "\$\d\+\(:h\\|:t\\|:r\\|:q\\|:x\\|:gh\\|:gt\\|:gr\)\=" contains=cshModifier
	syn match cshArgv "\$\*\(:h\\|:t\\|:r\\|:q\\|:x\\|:gh\\|:gt\\|:gr\)\=" contains=cshModifier

	" Modifiable Variables with {}
	syn match cshExtVar "\${[a-zA-Z_][a-zA-Z0-9_]*\(:h\\|:t\\|:r\\|:q\\|:x\\|:gh\\|:gt\\|:gr\)\=}" contains=cshModifier
	syn match cshSelector "\${[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\\|:t\\|:r\\|:q\\|:x\\|:gh\\|:gt\\|:gr\)\=}" contains=cshModifier
	syn match cshQtyWord "\${#[a-zA-Z_][a-zA-Z0-9_]*\(:h\\|:t\\|:r\\|:q\\|:x\\|:gh\\|:gt\\|:gr\)\=}" contains=cshModifier
	syn match cshArgv "\${\d\+\(:h\\|:t\\|:r\\|:q\\|:x\\|:gh\\|:gt\\|:gr\)\=}" contains=cshModifier

	" UnModifiable Substitutions
	syn match cshSubstError "\$?[a-zA-Z_][a-zA-Z0-9_]*:\(h\\|t\\|r\\|q\\|x\\|gh\\|gt\\|gr\)"
	syn match cshSubstError "\${?[a-zA-Z_][a-zA-Z0-9_]*:\(h\\|t\\|r\\|q\\|x\\|gh\\|gt\\|gr\)}"
	syn match cshSubstError "\$?[0$<]:\(h\\|t\\|r\\|q\\|x\\|gh\\|gt\\|gr\)"
	syn match cshSubst "\$?[a-zA-Z_][a-zA-Z0-9_]*"
	syn match cshSubst "\${?[a-zA-Z_][a-zA-Z0-9_]*}"
	syn match cshSubst "\$?[0$<]"

	" I/O redirection
	syn match cshRedir ">>&!\\|>&!\\|>>&\\|>>!\\|>&\\|>!\\|>>\\|<<\\|>\\|<"

	" Handle set expressions
	syn region cshSetExpr matchgroup=cshSetStmt start="\<set\>\\|\<unset\>" end="$\\|;" contains=cshComment,cshSetStmt,cshSetVariables,@cshQuoteList

	" Operators and Expression-Using constructs
	"syn match cshOperator contained "&&\\|!\~\\|!=\\|<<\\|<=\\|==\\|=\~\\|>=\\|>>\\|\*\\|\^\\|\~\\|\|\|\\|!\\|\\|%\\|&\\|+\\|-\\|/\\|<\\|>\\|\|"
	syn match cshOperator contained "&&\\|!\~\\|!=\\|<<\\|<=\\|==\\|=\~\\|>=\\|>>\\|\*\\|\^\\|\~\\|\|\|\\|!\\|%\\|&\\|+\\|-\\|/\\|<\\|>\\|\|"
	syn match cshOperator contained "[(){}]"
	syn region cshTest matchgroup=cshStatement start="\<if\>\\|\<while\>" skip="\\$" matchgroup=cshStatement end="\<then\>\\|$" contains=cshComment,cshOperator,@cshQuoteList,@cshVarLIst

	" Highlight special characters (those which have a backslash) differently
	syn match cshSpecial contained "\\\d\d\d\\|\\[abcfnrtv\\]"
	syn match cshNumber "-\=\<\d\+\>"

	" All other identifiers
	"syn match cshIdentifier "\<[a-zA-Z._][a-zA-Z0-9._]*\>"

	" Shell Input Redirection (Here Documents)
	if version < 600
	syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s\END[a-zA-Z_0-9]\*" matchgroup=cshRedir end="^END[a-zA-Z_0-9]$"
	syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s\EOF\*" matchgroup=cshRedir end="^EOF$"
	else
	syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s\\z(\h\w\)\**" matchgroup=cshRedir end="^\z1$"
	endif

	" Define the default highlighting.
	" For version 5.7 and earlier: only when not done already
	" For version 5.8 and later: only when an item doesn't have highlighting yet
	if version >= 508 \|\| !exists("did_csh_syntax_inits")
	if version < 508
	let did_csh_syntax_inits = 1
	command -nargs=+ HiLink hi link <args>
	else
	command -nargs=+ HiLink hi def link <args>
	endif

	HiLink cshArgv cshVariables
	HiLink cshBckQuote cshCommand
	HiLink cshDblQuote cshString
	HiLink cshExtVar cshVariables
	HiLink cshHereDoc cshString
	HiLink cshNoEndlineBQ cshNoEndline
	HiLink cshNoEndlineDQ cshNoEndline
	HiLink cshNoEndlineSQ cshNoEndline
	HiLink cshQtyWord cshVariables
	HiLink cshRedir cshOperator
	HiLink cshSelector cshVariables
	HiLink cshSetStmt cshStatement
	HiLink cshSetVariables cshVariables
	HiLink cshSnglQuote cshString
	HiLink cshSubst cshVariables

	HiLink cshCommand Statement
	HiLink cshComment Comment
	HiLink cshConditional Conditional
	HiLink cshIdentifier Error
	HiLink cshModifier Special
	HiLink cshNoEndline Error
	HiLink cshNumber Number
	HiLink cshOperator Operator
	HiLink cshRedir Statement
	HiLink cshRepeat Repeat
	HiLink cshShellVariables Special
	HiLink cshSpecial Special
	HiLink cshStatement Statement
	HiLink cshString String
	HiLink cshSubstError Error
	HiLink cshTodo Todo
	HiLink cshVariables Type

	delcommand HiLink
	endif

	let b:current_syntax = "csh"

	" vim: ts=18