1" Vim syntax file 2" Language: C-shell (csh) 3" Maintainer: Charles E. Campbell <[email protected]> 4" Last Change: Aug 31, 2016 5" Version: 14 6" URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_CSH 7 8" quit when a syntax file was already loaded 9if exists("b:current_syntax") 10 finish 11endif 12 13" clusters: 14syn cluster cshQuoteList contains=cshDblQuote,cshSnglQuote,cshBckQuote 15syn cluster cshVarList contains=cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst 16 17" Variables which affect the csh itself 18syn match cshSetVariables contained "argv\|histchars\|ignoreeof\|noglob\|prompt\|status" 19syn match cshSetVariables contained "cdpath\|history\|mail\|nonomatch\|savehist\|time" 20syn match cshSetVariables contained "cwd\|home\|noclobber\|path\|shell\|verbose" 21syn match cshSetVariables contained "echo" 22 23syn case ignore 24syn keyword cshTodo contained todo 25syn case match 26 27" Variable Name Expansion Modifiers 28syn match cshModifier contained ":\(h\|t\|r\|q\|x\|gh\|gt\|gr\)" 29 30" Strings and Comments 31syn match cshNoEndlineDQ contained "[^\"]\(\\\\\)*$" 32syn match cshNoEndlineSQ contained "[^\']\(\\\\\)*$" 33syn match cshNoEndlineBQ contained "[^\`]\(\\\\\)*$" 34 35syn region cshDblQuote start=+[^\\]"+lc=1 skip=+\\\\\|\\"+ end=+"+ contains=cshSpecial,cshShellVariables,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ,cshBckQuote,@Spell 36syn region cshSnglQuote start=+[^\\]'+lc=1 skip=+\\\\\|\\'+ end=+'+ contains=cshNoEndlineSQ,@Spell 37syn region cshBckQuote start=+[^\\]`+lc=1 skip=+\\\\\|\\`+ end=+`+ contains=cshNoEndlineBQ,@Spell 38syn region cshDblQuote start=+^"+ skip=+\\\\\|\\"+ end=+"+ contains=cshSpecial,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ,@Spell 39syn region cshSnglQuote start=+^'+ skip=+\\\\\|\\'+ end=+'+ contains=cshNoEndlineSQ,@Spell 40syn region cshBckQuote start=+^`+ skip=+\\\\\|\\`+ end=+`+ contains=cshNoEndlineBQ,@Spell 41syn cluster cshCommentGroup contains=cshTodo,@Spell 42syn match cshComment "#.*$" contains=@cshCommentGroup 43 44" A bunch of useful csh keywords 45syn keyword cshStatement alias end history onintr setenv unalias 46syn keyword cshStatement cd eval kill popd shift unhash 47syn keyword cshStatement chdir exec login pushd source 48syn keyword cshStatement continue exit logout rehash time unsetenv 49syn keyword cshStatement dirs glob nice repeat umask wait 50syn keyword cshStatement echo goto nohup 51 52syn keyword cshConditional break case else endsw switch 53syn keyword cshConditional breaksw default endif 54syn keyword cshRepeat foreach 55 56" Special environment variables 57syn keyword cshShellVariables HOME LOGNAME PATH TERM USER 58 59" Modifiable Variables without {} 60syn match cshExtVar "\$[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier 61syn match cshSelector "\$[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier 62syn match cshQtyWord "\$#[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier 63syn match cshArgv "\$\d\+\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier 64syn match cshArgv "\$\*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier 65 66" Modifiable Variables with {} 67syn match cshExtVar "\${[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier 68syn match cshSelector "\${[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier 69syn match cshQtyWord "\${#[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier 70syn match cshArgv "\${\d\+\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier 71 72" UnModifiable Substitutions 73syn match cshSubstError "\$?[a-zA-Z_][a-zA-Z0-9_]*:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)" 74syn match cshSubstError "\${?[a-zA-Z_][a-zA-Z0-9_]*:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)}" 75syn match cshSubstError "\$?[0$<]:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)" 76syn match cshSubst "\$?[a-zA-Z_][a-zA-Z0-9_]*" 77syn match cshSubst "\${?[a-zA-Z_][a-zA-Z0-9_]*}" 78syn match cshSubst "\$?[0$<]" 79 80" I/O redirection 81syn match cshRedir ">>&!\|>&!\|>>&\|>>!\|>&\|>!\|>>\|<<\|>\|<" 82 83" Handle set expressions 84syn region cshSetExpr matchgroup=cshSetStmt start="\<set\>\|\<unset\>" end="$\|;" contains=cshComment,cshSetStmt,cshSetVariables,@cshQuoteList 85 86" Operators and Expression-Using constructs 87"syn match cshOperator contained "&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|\|%\|&\|+\|-\|/\|<\|>\||" 88syn match cshOperator contained "&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|%\|&\|+\|-\|/\|<\|>\||" 89syn match cshOperator contained "[(){}]" 90syn region cshTest matchgroup=cshStatement start="\<if\>\|\<while\>" skip="\\$" matchgroup=cshStatement end="\<then\>\|$" contains=cshComment,cshOperator,@cshQuoteList,@cshVarLIst 91 92" Highlight special characters (those which have a backslash) differently 93syn match cshSpecial contained "\\\d\d\d\|\\[abcfnrtv\\]" 94syn match cshNumber "-\=\<\d\+\>" 95 96" All other identifiers 97"syn match cshIdentifier "\<[a-zA-Z._][a-zA-Z0-9._]*\>" 98 99" Shell Input Redirection (Here Documents) 100syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**\z(\h\w*\)\**" matchgroup=cshRedir end="^\z1$" 101 102" Define the default highlighting. 103if !exists("skip_csh_syntax_inits") 104 105 hi def link cshArgv cshVariables 106 hi def link cshBckQuote cshCommand 107 hi def link cshDblQuote cshString 108 hi def link cshExtVar cshVariables 109 hi def link cshHereDoc cshString 110 hi def link cshNoEndlineBQ cshNoEndline 111 hi def link cshNoEndlineDQ cshNoEndline 112 hi def link cshNoEndlineSQ cshNoEndline 113 hi def link cshQtyWord cshVariables 114 hi def link cshRedir cshOperator 115 hi def link cshSelector cshVariables 116 hi def link cshSetStmt cshStatement 117 hi def link cshSetVariables cshVariables 118 hi def link cshSnglQuote cshString 119 hi def link cshSubst cshVariables 120 121 hi def link cshCommand Statement 122 hi def link cshComment Comment 123 hi def link cshConditional Conditional 124 hi def link cshIdentifier Error 125 hi def link cshModifier Special 126 hi def link cshNoEndline Error 127 hi def link cshNumber Number 128 hi def link cshOperator Operator 129 hi def link cshRedir Statement 130 hi def link cshRepeat Repeat 131 hi def link cshShellVariables Special 132 hi def link cshSpecial Special 133 hi def link cshStatement Statement 134 hi def link cshString String 135 hi def link cshSubstError Error 136 hi def link cshTodo Todo 137 hi def link cshVariables Type 138 139endif 140 141let b:current_syntax = "csh" 142 143" vim: ts=18 144