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" Vim syntax file
" Language: shell (sh) Korn shell (ksh) bash (sh)
" Maintainer: Charles E. Campbell <NcampObell@SdrPchip.AorgM-NOSPAM>
" Previous Maintainer: Lennart Schultz <Lennart.Schultz@ecmwf.int>
" Last Change: Feb 28, 2023
" Version: 208
" URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_SH
" For options and settings, please use: :help ft-sh-syntax
" This file includes many ideas from Eric Brunet (eric.brunet@ens.fr) and heredoc fixes from Felipe Contreras
" quit when a syntax file was already loaded {{{1
if exists("b:current_syntax")
finish
endif
" If the shell script itself specifies which shell to use, use it
if getline(1) =~ '\<ksh\>'
let b:is_kornshell = 1
elseif getline(1) =~ '\<bash\>'
let b:is_bash = 1
elseif getline(1) =~ '\<dash\>'
let b:is_dash = 1
elseif !exists("g:is_kornshell") && !exists("g:is_bash") && !exists("g:is_posix") && !exists("g:is_sh") && !exists("g:is_dash")
" user did not specify which shell to use, and
" the script itself does not specify which shell to use. FYI: /bin/sh is ambiguous.
" Assuming /bin/sh is executable, and if its a link, find out what it links to.
let s:shell = ""
if executable("/bin/sh")
let s:shell = resolve("/bin/sh")
elseif executable("/usr/bin/sh")
let s:shell = resolve("/usr/bin/sh")
endif
if s:shell =~ '\<ksh\>'
let b:is_kornshell= 1
elseif s:shell =~ '\<bash\>'
let b:is_bash = 1
elseif s:shell =~ '\<dash\>'
let b:is_dash = 1
endif
unlet s:shell
endif
" handling /bin/sh with is_kornshell/is_sh {{{1
" b:is_sh will be set when "#! /bin/sh" is found;
" However, it often is just a masquerade by bash (typically Linux)
" or kornshell (typically workstations with Posix "sh").
" So, when the user sets "g:is_bash", "g:is_kornshell",
" or "g:is_posix", a b:is_sh is converted into b:is_bash/b:is_kornshell,
" respectively.
if !exists("b:is_kornshell") && !exists("b:is_bash") && !exists("b:is_dash")
if exists("g:is_posix") && !exists("g:is_kornshell")
let g:is_kornshell= g:is_posix
endif
if exists("g:is_kornshell")
let b:is_kornshell= 1
if exists("b:is_sh")
unlet b:is_sh
endif
elseif exists("g:is_bash")
let b:is_bash= 1
if exists("b:is_sh")
unlet b:is_sh
endif
elseif exists("g:is_dash")
let b:is_dash= 1
if exists("b:is_sh")
unlet b:is_sh
endif
else
let b:is_sh= 1
endif
endif
" if b:is_dash, set b:is_posix too
if exists("b:is_dash")
let b:is_posix= 1
endif
" set up default g:sh_fold_enabled {{{1
" ================================
if !exists("g:sh_fold_enabled")
let g:sh_fold_enabled= 0
elseif g:sh_fold_enabled != 0 && !has("folding")
let g:sh_fold_enabled= 0
echomsg "Ignoring g:sh_fold_enabled=".g:sh_fold_enabled."; need to re-compile vim for +fold support"
endif
let s:sh_fold_functions= and(g:sh_fold_enabled,1)
let s:sh_fold_heredoc = and(g:sh_fold_enabled,2)
let s:sh_fold_ifdofor = and(g:sh_fold_enabled,4)
if g:sh_fold_enabled && &fdm == "manual"
" Given that the user provided g:sh_fold_enabled
" AND g:sh_fold_enabled is manual (usual default)
" implies a desire for syntax-based folding
setl fdm=syntax
endif
" set up the syntax-highlighting for iskeyword
if (v:version == 704 && has("patch-7.4.1142")) || v:version > 704
if !exists("g:sh_syntax_isk") || (exists("g:sh_syntax_isk") && g:sh_syntax_isk)
if exists("b:is_bash")
exe "syn iskeyword ".&iskeyword.",-,:"
else
exe "syn iskeyword ".&iskeyword.",-"
endif
endif
endif
" Set up folding commands for shell {{{1
" =================================
sil! delc ShFoldFunctions
sil! delc ShFoldHereDoc
sil! delc ShFoldIfDoFor
if s:sh_fold_functions
com! -nargs=* ShFoldFunctions <args> fold
else
com! -nargs=* ShFoldFunctions <args>
endif
if s:sh_fold_heredoc
com! -nargs=* ShFoldHereDoc <args> fold
else
com! -nargs=* ShFoldHereDoc <args>
endif
if s:sh_fold_ifdofor
com! -nargs=* ShFoldIfDoFor <args> fold
else
com! -nargs=* ShFoldIfDoFor <args>
endif
" sh syntax is case sensitive {{{1
syn case match
" Clusters: contains=@... clusters {{{1
"==================================
syn cluster shErrorList contains=shDoError,shIfError,shInError,shCaseError,shEsacError,shCurlyError,shParenError,shTestError,shOK
if exists("b:is_kornshell") || exists("b:is_bash")
syn cluster ErrorList add=shDTestError
endif
syn cluster shArithParenList contains=shArithmetic,shArithParen,shCaseEsac,shComment,shDeref,shDo,shDerefSimple,shEcho,shEscape,shNumber,shOperator,shPosnParm,shExSingleQuote,shExDoubleQuote,shHereString,shRedir,shSingleQuote,shDoubleQuote,shStatement,shVariable,shAlias,shTest,shCtrlSeq,shSpecial,shParen,bashSpecialVariables,bashStatement,shIf,shFor,shFunctionKey,shFunctionOne,shFunctionTwo
syn cluster shArithList contains=@shArithParenList,shParenError
syn cluster shCaseEsacList contains=shCaseStart,shCaseLabel,shCase,shCaseBar,shCaseIn,shComment,shDeref,shDerefSimple,shCaseCommandSub,shCaseExSingleQuote,shCaseSingleQuote,shCaseDoubleQuote,shCtrlSeq,@shErrorList,shStringSpecial,shCaseRange
syn cluster shCaseList contains=@shCommandSubList,shCaseEsac,shColon,shCommandSub,shCommandSubBQ,shComment,shDblBrace,shDo,shEcho,shExpr,shFor,shHereDoc,shIf,shHereString,shRedir,shSetList,shSource,shStatement,shVariable,shCtrlSeq
if exists("b:is_kornshell") || exists("b:is_bash")
syn cluster shCaseList add=shForPP,shDblParen
endif
syn cluster shCommandSubList contains=shAlias,shArithmetic,shCmdParenRegion,shCommandSub,shComment,shCtrlSeq,shDeref,shDerefSimple,shDoubleQuote,shEcho,shEscape,shExDoubleQuote,shExpr,shExSingleQuote,shHereDoc,shNumber,shOperator,shOption,shPosnParm,shHereString,shRedir,shSingleQuote,shSpecial,shStatement,shSubSh,shTest,shVariable
syn cluster shCurlyList contains=shNumber,shComma,shDeref,shDerefSimple,shDerefSpecial
" COMBAK: removing shEscape from shDblQuoteList fails ksh04:43 -- Jun 09, 2022: I don't see the problem with ksh04, so am reinstating shEscape
syn cluster shDblQuoteList contains=shArithmetic,shCommandSub,shCommandSubBQ,shDeref,shDerefSimple,shEscape,shPosnParm,shCtrlSeq,shSpecial,shSpecialDQ
syn cluster shDerefList contains=shDeref,shDerefSimple,shDerefVar,shDerefSpecial,shDerefWordError,shDerefPSR,shDerefPPS
syn cluster shDerefVarList contains=shDerefOffset,shDerefOp,shDerefVarArray,shDerefOpError
syn cluster shEchoList contains=shArithmetic,shCommandSub,shCommandSubBQ,shDeref,shDerefSimple,shEscape,shExSingleQuote,shExDoubleQuote,shSingleQuote,shDoubleQuote,shCtrlSeq,shEchoQuote
syn cluster shExprList1 contains=shCharClass,shNumber,shOperator,shExSingleQuote,shExDoubleQuote,shSingleQuote,shDoubleQuote,shExpr,shDblBrace,shDeref,shDerefSimple,shCtrlSeq
syn cluster shExprList2 contains=@shExprList1,@shCaseList,shTest
syn cluster shFunctionList contains=@shCommandSubList,shCaseEsac,shColon,shComment,shDo,shEcho,shExpr,shFor,shHereDoc,shIf,shOption,shHereString,shRedir,shSetList,shSource,shStatement,shVariable,shOperator,shCtrlSeq
if exists("b:is_kornshell") || exists("b:is_bash")
syn cluster shFunctionList add=shRepeat,shDblBrace,shDblParen,shForPP
syn cluster shDerefList add=shCommandSubList,shEchoDeref
endif
syn cluster shHereBeginList contains=@shCommandSubList
syn cluster shHereList contains=shBeginHere,shHerePayload
syn cluster shHereListDQ contains=shBeginHere,@shDblQuoteList,shHerePayload
syn cluster shIdList contains=shArithmetic,shCommandSub,shCommandSubBQ,shWrapLineOperator,shSetOption,shComment,shDeref,shDerefSimple,shHereString,shNumber,shOperator,shRedir,shExSingleQuote,shExDoubleQuote,shSingleQuote,shDoubleQuote,shExpr,shCtrlSeq,shStringSpecial,shAtExpr
syn cluster shIfList contains=@shLoopList,shDblBrace,shDblParen,shFunctionKey,shFunctionOne,shFunctionTwo
syn cluster shLoopList contains=@shCaseList,@shErrorList,shCaseEsac,shConditional,shDblBrace,shExpr,shFor,shIf,shOption,shSet,shTest,shTestOpr,shTouch
if exists("b:is_kornshell") || exists("b:is_bash")
syn cluster shLoopList add=shForPP,shDblParen
endif
syn cluster shPPSLeftList contains=shAlias,shArithmetic,shCmdParenRegion,shCommandSub,shCtrlSeq,shDeref,shDerefSimple,shDoubleQuote,shEcho,shEscape,shExDoubleQuote,shExpr,shExSingleQuote,shHereDoc,shNumber,shOperator,shOption,shPosnParm,shHereString,shRedir,shSingleQuote,shSpecial,shStatement,shSubSh,shTest,shVariable
syn cluster shPPSRightList contains=shDeref,shDerefSimple,shEscape,shPosnParm
syn cluster shSubShList contains=@shCommandSubList,shCommandSubBQ,shCaseEsac,shColon,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shIf,shHereString,shRedir,shSetList,shSource,shStatement,shVariable,shCtrlSeq,shOperator
syn cluster shTestList contains=shArithmetic,shCharClass,shCommandSub,shCommandSubBQ,shCtrlSeq,shDeref,shDerefSimple,shDoubleQuote,shSpecialDQ,shExDoubleQuote,shExpr,shExSingleQuote,shNumber,shOperator,shSingleQuote,shTest,shTestOpr
syn cluster shNoZSList contains=shSpecialNoZS
syn cluster shForList contains=shTestOpr,shNumber,shDerefSimple,shDeref,shCommandSub,shCommandSubBQ,shArithmetic
" Echo: {{{1
" ====
" This one is needed INSIDE a CommandSub, so that `echo bla` be correct
syn region shEcho matchgroup=shStatement start="\<echo\>" skip="\\$" matchgroup=shEchoDelim end="$" matchgroup=NONE end="[<>;&|()`]"me=e-1 end="\d[<>]"me=e-2 end="#"me=e-1 contains=@shEchoList skipwhite nextgroup=shQuickComment
syn region shEcho matchgroup=shStatement start="\<print\>" skip="\\$" matchgroup=shEchoDelim end="$" matchgroup=NONE end="[<>;&|()`]"me=e-1 end="\d[<>]"me=e-2 end="#"me=e-1 c
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