145 lines
6.4 KiB
VimL
145 lines
6.4 KiB
VimL
" Vim syntax file
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" Language: C-shell (csh)
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" Maintainer: This runtime file is looking for a new maintainer.
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" Former Maintainer: Charles E. Campbell
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" Last Change: Aug 31, 2016
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" Version: 14
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" Former URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_CSH
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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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" clusters:
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syn cluster cshQuoteList contains=cshDblQuote,cshSnglQuote,cshBckQuote
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syn cluster cshVarList contains=cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst
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" Variables which affect the csh itself
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syn match cshSetVariables contained "argv\|histchars\|ignoreeof\|noglob\|prompt\|status"
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syn match cshSetVariables contained "cdpath\|history\|mail\|nonomatch\|savehist\|time"
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syn match cshSetVariables contained "cwd\|home\|noclobber\|path\|shell\|verbose"
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syn match cshSetVariables contained "echo"
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syn case ignore
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syn keyword cshTodo contained todo
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syn case match
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" Variable Name Expansion Modifiers
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syn match cshModifier contained ":\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
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" Strings and Comments
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syn match cshNoEndlineDQ contained "[^\"]\(\\\\\)*$"
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syn match cshNoEndlineSQ contained "[^\']\(\\\\\)*$"
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syn match cshNoEndlineBQ contained "[^\`]\(\\\\\)*$"
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syn region cshDblQuote start=+[^\\]"+lc=1 skip=+\\\\\|\\"+ end=+"+ contains=cshSpecial,cshShellVariables,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ,cshBckQuote,@Spell
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syn region cshSnglQuote start=+[^\\]'+lc=1 skip=+\\\\\|\\'+ end=+'+ contains=cshNoEndlineSQ,@Spell
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syn region cshBckQuote start=+[^\\]`+lc=1 skip=+\\\\\|\\`+ end=+`+ contains=cshNoEndlineBQ,@Spell
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syn region cshDblQuote start=+^"+ skip=+\\\\\|\\"+ end=+"+ contains=cshSpecial,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ,@Spell
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syn region cshSnglQuote start=+^'+ skip=+\\\\\|\\'+ end=+'+ contains=cshNoEndlineSQ,@Spell
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syn region cshBckQuote start=+^`+ skip=+\\\\\|\\`+ end=+`+ contains=cshNoEndlineBQ,@Spell
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syn cluster cshCommentGroup contains=cshTodo,@Spell
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syn match cshComment "#.*$" contains=@cshCommentGroup
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" A bunch of useful csh keywords
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syn keyword cshStatement alias end history onintr setenv unalias
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syn keyword cshStatement cd eval kill popd shift unhash
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syn keyword cshStatement chdir exec login pushd source
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syn keyword cshStatement continue exit logout rehash time unsetenv
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syn keyword cshStatement dirs glob nice repeat umask wait
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syn keyword cshStatement echo goto nohup
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syn keyword cshConditional break case else endsw switch
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syn keyword cshConditional breaksw default endif
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syn keyword cshRepeat foreach
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" Special environment variables
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syn keyword cshShellVariables HOME LOGNAME PATH TERM USER
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" Modifiable Variables without {}
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syn match cshExtVar "\$[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
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syn match cshSelector "\$[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
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syn match cshQtyWord "\$#[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
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syn match cshArgv "\$\d\+\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
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syn match cshArgv "\$\*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
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" Modifiable Variables with {}
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syn match cshExtVar "\${[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
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syn match cshSelector "\${[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
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syn match cshQtyWord "\${#[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
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syn match cshArgv "\${\d\+\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
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" UnModifiable Substitutions
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syn match cshSubstError "\$?[a-zA-Z_][a-zA-Z0-9_]*:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
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syn match cshSubstError "\${?[a-zA-Z_][a-zA-Z0-9_]*:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)}"
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syn match cshSubstError "\$?[0$<]:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
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syn match cshSubst "\$?[a-zA-Z_][a-zA-Z0-9_]*"
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syn match cshSubst "\${?[a-zA-Z_][a-zA-Z0-9_]*}"
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syn match cshSubst "\$?[0$<]"
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" I/O redirection
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syn match cshRedir ">>&!\|>&!\|>>&\|>>!\|>&\|>!\|>>\|<<\|>\|<"
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" Handle set expressions
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syn region cshSetExpr matchgroup=cshSetStmt start="\<set\>\|\<unset\>" end="$\|;" contains=cshComment,cshSetStmt,cshSetVariables,@cshQuoteList
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" Operators and Expression-Using constructs
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"syn match cshOperator contained "&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|\|%\|&\|+\|-\|/\|<\|>\||"
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syn match cshOperator contained "&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|%\|&\|+\|-\|/\|<\|>\||"
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syn match cshOperator contained "[(){}]"
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syn region cshTest matchgroup=cshStatement start="\<if\>\|\<while\>" skip="\\$" matchgroup=cshStatement end="\<then\>\|$" contains=cshComment,cshOperator,@cshQuoteList,@cshVarLIst
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" Highlight special characters (those which have a backslash) differently
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syn match cshSpecial contained "\\\d\d\d\|\\[abcfnrtv\\]"
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syn match cshNumber "-\=\<\d\+\>"
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" All other identifiers
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"syn match cshIdentifier "\<[a-zA-Z._][a-zA-Z0-9._]*\>"
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" Shell Input Redirection (Here Documents)
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syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**\z(\h\w*\)\**" matchgroup=cshRedir end="^\z1$"
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" Define the default highlighting.
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if !exists("skip_csh_syntax_inits")
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hi def link cshArgv cshVariables
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hi def link cshBckQuote cshCommand
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hi def link cshDblQuote cshString
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hi def link cshExtVar cshVariables
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hi def link cshHereDoc cshString
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hi def link cshNoEndlineBQ cshNoEndline
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hi def link cshNoEndlineDQ cshNoEndline
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hi def link cshNoEndlineSQ cshNoEndline
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hi def link cshQtyWord cshVariables
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hi def link cshRedir cshOperator
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hi def link cshSelector cshVariables
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hi def link cshSetStmt cshStatement
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hi def link cshSetVariables cshVariables
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hi def link cshSnglQuote cshString
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hi def link cshSubst cshVariables
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hi def link cshCommand Statement
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hi def link cshComment Comment
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hi def link cshConditional Conditional
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hi def link cshIdentifier Error
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hi def link cshModifier Special
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hi def link cshNoEndline Error
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hi def link cshNumber Number
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hi def link cshOperator Operator
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hi def link cshRedir Statement
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hi def link cshRepeat Repeat
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hi def link cshShellVariables Special
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hi def link cshSpecial Special
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hi def link cshStatement Statement
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hi def link cshString String
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hi def link cshSubstError Error
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hi def link cshTodo Todo
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hi def link cshVariables Type
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endif
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let b:current_syntax = "csh"
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" vim: ts=18
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