vim syntax highlighting for perl, to use colors instead of \ and "

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Apr 21st, 2023

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" Vim syntax file
" Language: Perl
" Maintainer: vim-perl <[email protected]>
" Homepage: https://github.com/vim-perl/vim-perl
" Bugs/requests: https://github.com/vim-perl/vim-perl/issues
" License: Vim License (see :help license)
" Last Change: 2022 Jun 13
" Contributors: Andy Lester <[email protected]>
" Hinrik Örn Sigurðsson <[email protected]>
" Lukas Mai <l.mai.web.de>
" Nick Hibma <[email protected]>
" Sonia Heimann <[email protected]>
" Rob Hoelz <[email protected]>
" Doug Kearns <[email protected]>
" and many others.
" Please download the most recent version first, before mailing
" any comments.
" The following parameters are available for tuning the
" perl syntax highlighting, with defaults given:
" let perl_include_pod = 1
" unlet perl_no_scope_in_variables
" unlet perl_no_extended_vars
" unlet perl_string_as_statement
" unlet perl_no_sync_on_sub
" unlet perl_no_sync_on_global_var
" let perl_sync_dist = 100
" unlet perl_fold
" unlet perl_fold_blocks
" unlet perl_nofold_packages
" unlet perl_nofold_subs
" unlet perl_fold_anonymous_subs
" unlet perl_no_subprototype_error
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
" POD starts with ^=<word> and ends with ^=cut
if get(g:, 'perl_include_pod', 1)
" Include a while extra syntax file
syn include @Pod syntax/pod.vim
unlet b:current_syntax
if get(g:, 'perl_fold', 1)
syn region perlPOD start="^=[a-z]" end="^=cut" contains=@Pod,@Spell,perlTodo keepend fold extend
syn region perlPOD start="^=cut" end="^=cut" contains=perlTodo keepend fold extend
syn region perlPOD start="^=[a-z]" end="^=cut" contains=@Pod,@Spell,perlTodo keepend
syn region perlPOD start="^=cut" end="^=cut" contains=perlTodo keepend
endif
" Use only the bare minimum of rules
if get(g:, 'perl_fold', 1)
syn region perlPOD start="^=[a-z]" end="^=cut" fold
syn region perlPOD start="^=[a-z]" end="^=cut"
endif
endif
syn cluster perlTop contains=TOP
syn region perlBraces start="{" end="}" transparent extend
" All keywords
syn match perlConditional "\<\%(if\|elsif\|unless\|given\|when\|default\)\>"
syn match perlConditional "\<else\%(\%(\_s\*if\>\)\|\>\)" contains=perlElseIfError skipwhite skipnl skipempty
syn match perlRepeat "\<\%(while\|for\%(each\)\=\|do\|until\|continue\)\>"
syn match perlOperator "\<\%(defined\|undef\|eq\|ne\|[gl][et]\|cmp\|not\|and\|or\|xor\|not\|bless\|ref\|do\)\>"
" for some reason, adding this as the nextgroup for perlControl fixes BEGIN
" folding issues...
syn match perlFakeGroup "" contained
syn match perlControl "\<\%(BEGIN\|CHECK\|INIT\|END\|UNITCHECK\)\>\_s*" nextgroup=perlFakeGroup
syn match perlStatementStorage "\<\%(my\|our\|local\|state\)\>"
syn match perlStatementControl "\<\%(return\|last\|next\|redo\|goto\|break\)\>"
syn match perlStatementScalar "\<\%(chom\=p\|chr\|crypt\|r\=index\|lc\%(first\)\=\|length\|ord\|pack\|sprintf\|substr\|fc\|uc\%(first\)\=\)\>"
syn match perlStatementRegexp "\<\%(pos\|quotemeta\|split\|study\)\>"
syn match perlStatementNumeric "\<\%(abs\|atan2\|cos\|exp\|hex\|int\|log\|oct\|rand\|sin\|sqrt\|srand\)\>"
syn match perlStatementList "\<\%(splice\|unshift\|shift\|push\|pop\|join\|reverse\|grep\|map\|sort\|unpack\)\>"
syn match perlStatementHash "\<\%(delete\|each\|exists\|keys\|values\)\>"
syn match perlStatementIOfunc "\<\%(syscall\|dbmopen\|dbmclose\)\>"
syn match perlStatementFiledesc "\<\%(binmode\|close\%(dir\)\=\|eof\|fileno\|getc\|lstat\|printf\=\|read\%(dir\|line\|pipe\)\|rewinddir\|say\|select\|stat\|tell\%(dir\)\=\|write\)\>" nextgroup=perlFiledescStatementNocomma skipwhite
syn match perlStatementFiledesc "\<\%(fcntl\|flock\|ioctl\|open\%(dir\)\=\|read\|seek\%(dir\)\=\|sys\%(open\|read\|seek\|write\)\|truncate\)\>" nextgroup=perlFiledescStatementComma skipwhite
syn match perlStatementVector "\<vec\>"
syn match perlStatementFiles "\<\%(ch\%(dir\|mod\|own\|root\)\|glob\|link\|mkdir\|readlink\|rename\|rmdir\|symlink\|umask\|unlink\|utime\)\>"
syn match perlStatementFiles "-[rwxoRWXOezsfdlpSbctugkTBMAC]\>"
syn match perlStatementFlow "\<\%(caller\|die\|dump\|eval\|exit\|wantarray\|evalbytes\)\>"
syn match perlStatementInclude "\<\%(require\|import\|unimport\)\>"
syn match perlStatementInclude "\<\%(use\|no\)\s\+\%(\%(attributes\|attrs\|autodie\%(::\%(exception\%(::system\)\=\|hints\|skip\)\)\=\|autouse\|parent\|base\|big\%(int\|num\|rat\)\|blib\|bytes\|charnames\|constant\|deprecate\|diagnostics\|encoding\%(::warnings\)\=\|experimental\|feature\|fields\|filetest\|if\|integer\|less\|lib\|locale\|mro\|ok\|open\|ops\|overload\|overloading\|re\|sigtrap\|sort\|strict\|subs\|threads\%(::shared\)\=\|utf8\|vars\|version\|vmsish\|warnings\%(::register\)\=\)\>\)\="
syn match perlStatementProc "\<\%(alarm\|exec\|fork\|get\%(pgrp\|ppid\|priority\)\|kill\|pipe\|set\%(pgrp\|priority\)\|sleep\|system\|times\|wait\%(pid\)\=\)\>"
syn match perlStatementSocket "\<\%(accept\|bind\|connect\|get\%(peername\|sock\%(name\|opt\)\)\|listen\|recv\|send\|setsockopt\|shutdown\|socket\%(pair\)\=\)\>"
syn match perlStatementIPC "\<\%(msg\%(ctl\|get\|rcv\|snd\)\|sem\%(ctl\|get\|op\)\|shm\%(ctl\|get\|read\|write\)\)\>"
syn match perlStatementNetwork "\<\%(\%(end\|[gs]et\)\%(host\|net\|proto\|serv\)ent\|get\%(\%(host\|net\)by\%(addr\|name\)\|protoby\%(name\|number\)\|servby\%(name\|port\)\)\)\>"
syn match perlStatementPword "\<\%(get\%(pw\%(uid\|nam\)\|gr\%(gid\|nam\)\|login\)\)\|\%(end\|[gs]et\)\%(pw\|gr\)ent\>"
syn match perlStatementTime "\<\%(gmtime\|localtime\|time\)\>"
syn match perlStatementMisc "\<\%(warn\|format\|formline\|reset\|scalar\|prototype\|lock\|tied\=\|untie\)\>"
syn keyword perlTodo TODO TODO: TBD TBD: FIXME FIXME: XXX XXX: NOTE NOTE: contained
syn region perlStatementIndirObjWrap matchgroup=perlStatementIndirObj start="\%(\<\%(map\|grep\|sort\|printf\=\|say\|system\|exec\)\>\s*\)\@<={" end="}" transparent extend
syn match perlLabel "^\s*\h\w*\s*::\@!\%(\<v\d\+\s*:\)\@<!"
" Perl Identifiers.
" Should be cleaned up to better handle identifiers in particular situations
" (in hash keys for example)
" Plain identifiers: $foo, @foo, $#foo, %foo, &foo and dereferences $$foo, @$foo, etc.
" We do not process complex things such as @{${"foo"}}. Too complicated, and
" too slow. And what is after the -> is *not* considered as part of the
" variable - there again, too complicated and too slow.
" Special variables first ($^A, ...) and ($|, $', ...)
syn match perlVarPlain "$^[ACDEFHILMNOPRSTVWX]\="
syn match perlVarPlain "$[\\\"\[\]'&`+*.,;=%~!?@#$<>(-]"
syn match perlVarPlain "@[-+]"
syn match perlVarPlain "$\%(0\|[1-9]\d*\)"
" Same as above, but avoids confusion in $::foo (equivalent to $main::foo)
syn match perlVarPlain "$::\@!"
" These variables are not recognized within matches.
syn match perlVarNotInMatches "$[|)]"
" This variable is not recognized within matches delimited by m//.
syn match perlVarSlash "$/"
" And plain identifiers
syn match perlPackageRef "[$@#%*&]\%(\%(::\|'\)\=\I\i*\%(\%(::\|'\)\I\i*\)*\)\=\%(::\|'\)\I"ms=s+1,me=e-1 contained
" To not highlight packages in variables as a scope reference - i.e. in
" $pack::var, pack:: is a scope, just set "perl_no_scope_in_variables"
" If you don't want complex things like @{${"foo"}} to be processed,
" just set the variable "perl_no_extended_vars"...
if !get(g:, 'perl_no_scope_in_variables', 0)
syn match perlVarPlain "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
syn match perlVarPlain2 "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
syn match perlFunctionName "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
syn match perlVarPlain "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
syn match perlVarPlain2 "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
syn match perlFunctionName "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
endif
syn match perlVarPlain2 "%[-+]"
if !get(g:, 'perl_no_extended_vars', 0)
syn cluster perlExpr contains=perlStatementIndirObjWrap,perlStatementScalar,perlStatementRegexp,perlStatementNumeric,perlStatementList,perlStatementHash,perlStatementFiles,perlStatementTime,perlStatementMisc,perlVarPlain,perlVarPlain2,perlVarNotInMatches,perlVarSlash,perlVarBlock,perlVarBlock2,perlShellCommand,perlFloat,perlNumber,perlStringUnexpanded,perlString,perlQ,perlQQ,perlQW,perlQR,perlArrow,perlBraces
syn region perlArrow matchgroup=perlArrow start="->\s*(" end=")" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained
syn region perlArrow matchgroup=perlArrow start="->\s*\[" end="\]" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained
syn region perlArrow matchgroup=perlArrow start="->\s*{" end="}" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained
syn match perlArrow "->\s*{\s*\I\i*\s*}" contains=perlVarSimpleMemberName nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained
syn region perlVarBlock matchgroup=perlVarPlain start="\%($#\|[$@]\)\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
syn region perlVarBlock2 matchgroup=perlVarPlain start="[%&*]\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
syn match perlVarPlain2 "[%&*]\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
syn match perlVarPlain "\%(\$#\|[@$]\)\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
syn region perlVarMember matchgroup=perlVarPlain start="\%(->\)\={" skip="\\}" end="}" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
syn match perlVarSimpleMember "\%(->\)\={\s*\I\i*\s*}" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contains=perlVarSimpleMemberName contained extend
syn match perlVarSimpleMemberName "\I\i*" contained
syn region perlVarMember matchgroup=perlVarPlain start="\%(->\)\=\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
syn match perlPackageConst "__PACKAGE__" nextgroup=perlPostDeref
syn match perlPostDeref "->\%($#\|[$@%&*]\)\*" contained nextgroup=perlVarSimpleMember,perlVarMember,perlPostDeref
syn region perlPostDeref start="->\%($#\|[$@%&*]\)\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarSimpleMember,perlVarMember,perlPostDeref
syn region perlPostDeref matchgroup=perlPostDeref start="->\%($#\|[$@%&*]\){" skip="\\}" end="}" keepend extend contained contains=@perlExpr nextgroup=perlVarSimpleMember,perlVarMember,perlPostDeref
endif
" File Descriptors
syn match perlFiledescRead "<\h\w*>"
syn match perlFiledescStatementComma "(\=\s*\<\u\w*\>\s*,"me=e-1 transparent contained contains=perlFiledescStatement
syn match perlFiledescStatementNocomma "(\=\s*\<\u\w*\>\s*[^, \t]"me=e-1 transparent contained contains=perlFiledescStatement
syn match perlFiledescStatement "\<\u\w*\>" contained
" Special characters in strings and matches
syn match perlSpecialString "\\\%(\o\{1,3}\|x\%({\x\+}\|\x\{1,2}\)\|c.\|[^cx]\)" contained contains=perlEsc extend
syn match perlSpecialStringU2 "\\." extend contained contains=perlEsc
syn match perlSpecialStringU "\\\\" contained conceal cchar=\
syn match perlEsc "\\" conceal contained
syn match perlSpecialMatch "\\[1-9]" contained extend
syn match perlSpecialMatch "\\g\%(\d\+\|{\%(-\=\d\+\|\h\w*\)}\)" contained
syn match perlSpecialMatch "\\k\%(<\h\w*>\|'\h\w*'\)" contained
syn match perlSpecialMatch "{\d\+\%(,\%(\d\+\)\=\)\=}" contained
syn match perlSpecialMatch "\[[]-]\=[^\[\]]*[]-]\=\]" contained extend
syn match perlSpecialMatch "[+*()?.]" contained
syn match perlSpecialMatch "(?[#:=!]" contained
syn match perlSpecialMatch "(?[impsx]*\%(-[imsx]\+\)\=)" contained
syn match perlSpecialMatch "(?\%([-+]\=\d\+\|R\))" contained
syn match perlSpecialMatch "(?\%(&\|P[>=]\)\h\w*)" contained
syn match perlSpecialMatch "(\*\%(\%(PRUNE\|SKIP\|THEN\)\%(:[^)]*\)\=\|\%(MARK\|\):[^)]*\|COMMIT\|F\%(AIL\)\=\|ACCEPT\))" contained
" Possible errors
" Highlight lines with only whitespace (only in blank delimited here documents) as errors
syn match perlNotEmptyLine "^\s\+$" contained
" Highlight "} else if (...) {", it should be "} else { if (...) { " or "} elsif (...) {"
syn match perlElseIfError "else\_s*if" containedin=perlConditional
syn keyword perlElseIfError elseif containedin=perlConditional
" Variable interpolation
" These items are interpolated inside "" strings and similar constructs.
syn cluster perlInterpDQ contains=perlSpecialString,perlVarPlain,perlVarNotInMatches,perlVarSlash,perlVarBlock
" These items are interpolated inside '' strings and similar constructs.
syn cluster perlInterpSQ contains=perlSpecialStringU,perlSpecialStringU2
" These items are interpolated inside m// matches and s/// substitutions.
syn cluster perlInterpSlash contains=perlSpecialString,perlSpecialMatch,perlVarPlain,perlVarBlock
" These items are interpolated inside m## matches and s### substitutions.
syn cluster perlInterpMatch contains=@perlInterpSlash,perlVarSlash
" Shell commands
syn region perlShellCommand matchgroup=perlMatchStartEnd start="`" end="`" contains=@perlInterpDQ keepend
" Constants
" Numbers
syn case ignore
syn match perlNumber "\<\%(0\|[1-9]\%(_\=\d\)*\)\>"
syn match perlNumber "\<0\%(x\x\%(_\=\x\)*\|b[01]\%(_\=[01]\)*\|o\=\%(_\=\o\)*\)\>"
syn match perlFloat "\<\d\%(_\=\d\)*e[-+]\=\d\%(_\=\d\)*"
syn match perlFloat "\<\d\%(_\=\d\)*\.\%(\d\%(_\=\d\)*\)\=\%(e[-+]\=\d\%(_\=\d\)*\)\="
syn match perlFloat "\.\d\%(_\=\d\)*\%(e[-+]\=\d\%(_\=\d\)*\)\="
syn match perlFloat "\<0x\x\%(_\=\x\)*p[-+]\=\d\%(_\=\d\)*"
syn match perlFloat "\<0x\x\%(_\=\x\)*\.\%(\x\%(_\=\x\)*\)\=\%(p[-+]\=\d\%(_\=\d\)*\)\="
syn match perlFloat "\<0x\.\x\%(_\=\x\)*\%(p[-+]\=\d\%(_\=\d\)*\)\="
syn case match
syn match perlString "\<\%(v\d\+\%(\.\d\+\)*\|\d\+\%(\.\d\+\)\{2,}\)\>" contains=perlVStringV
syn match perlVStringV "\<v" contained
syn region perlParensSQ start=+(+ end=+)+ extend contained contains=perlParensSQ,@perlInterpSQ keepend
syn region perlBracketsSQ start=+\[+ end=+\]+ extend contained contains=perlBracketsSQ,@perlInterpSQ keepend
syn region perlBracesSQ start=+{+ end=+}+ extend contained contains=perlBracesSQ,@perlInterpSQ keepend
syn region perlAnglesSQ start=+<+ end=+>+ extend contained contains=perlAnglesSQ,@perlInterpSQ keepend
syn region perlParensDQ start=+(+ end=+)+ extend contained contains=perlParensDQ,@perlInterpDQ keepend
syn region perlBracketsDQ start=+\[+ end=+\]+ extend contained contains=perlBracketsDQ,@perlInterpDQ keepend
syn region perlBracesDQ start=+{+ end=+}+ extend contained contains=perlBracesDQ,@perlInterpDQ keepend
syn region perlAnglesDQ start=+<+ end=+>+ extend contained contains=perlAnglesDQ,@perlInterpDQ keepend
" Simple version of searches and matches
syn match perlMatchModifiers "[msixpadluncgo]\+" contained
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\>\s*\z([^[:space:]'([{<#]\)+ end=+\z1+ contains=@perlInterpMatch keepend extend nextgroup=perlMatchModifiers
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m#+ end=+#+ contains=@perlInterpMatch keepend extend nextgroup=perlMatchModifiers
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*'+ end=+'+ contains=@perlInterpSQ keepend extend nextgroup=perlMatchModifiers
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*/+ end=+/+ contains=@perlInterpSlash keepend extend nextgroup=perlMatchModifiers
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*(+ end=+)+ contains=@perlInterpMatch,perlParensDQ keepend extend nextgroup=perlMatchModifiers
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*{+ end=+}+ contains=@perlInterpMatch,perlBracesDQ extend nextgroup=perlMatchModifiers
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*<+ end=+>+ contains=@perlInterpMatch,perlAnglesDQ keepend extend nextgroup=perlMatchModifiers
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*\[+ end=+\]+ contains=@perlInterpMatch,perlBracketsDQ keepend extend nextgroup=perlMatchModifiers
" Below some hacks to recognise the // variant. This is virtually impossible to catch in all
" cases as the / is used in so many other ways, but these should be the most obvious ones.
syn region perlMatch matchgroup=perlMatchStartEnd start="\%([$@%&*]\@<!\%(\<split\|\<while\|\<if\|\<unless\|\.\.\|[-+*!~(\[{=]\)\s*\)\@<=/\%(/=\)\@!" start=+^/\%(/=\)\@!+ start=+\s\@<=/\%(/=\)\@![^[:space:][:digit:]$@%=]\@=\%(/\_s*\%([([{$@%&*[:digit:]"'`]\|\_s\w\|[[:upper:]_abd-fhjklnqrt-wyz]\)\)\@!+ skip=+\\/+ end=+/+ contains=@perlInterpSlash extend nextgroup=perlMatchModifiers
" Substitutions
" perlMatch is the first part, perlSubstitution* is the substitution part
syn match perlSubstitutionModifiers "[msixpadluncgero]\+" contained
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\>\s*\z([^[:space:]'([{<#]\)+ end=+\z1+me=e-1 contains=@perlInterpMatch nextgroup=perlSubstitutionGQQ keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*'+ end=+'+me=e-1 contains=@perlInterpSQ nextgroup=perlSubstitutionSQ keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*/+ end=+/+me=e-1 contains=@perlInterpSlash nextgroup=perlSubstitutionGQQ keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s#+ end=+#+me=e-1 contains=@perlInterpMatch nextgroup=perlSubstitutionGQQ keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*(+ end=+)+ contains=@perlInterpMatch,perlParensDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*<+ end=+>+ contains=@perlInterpMatch,perlAnglesDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*\[+ end=+\]+ contains=@perlInterpMatch,perlBracketsDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*{+ end=+}+ contains=@perlInterpMatch,perlBracesDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend
syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+\z([^[:space:]'([{<]\)+ end=+\z1+ keepend contained contains=@perlInterpDQ extend nextgroup=perlSubstitutionModifiers
syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+(+ end=+)+ contained contains=@perlInterpDQ,perlParensDQ keepend extend nextgroup=perlSubstitutionModifiers
syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+\[+ end=+\]+ contained contains=@perlInterpDQ,perlBracketsDQ keepend extend nextgroup=perlSubstitutionModifiers
syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+{+ end=+}+ contained contains=@perlInterpDQ,perlBracesDQ keepend extend extend nextgroup=perlSubstitutionModifiers
syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+<+ end=+>+ contained contains=@perlInterpDQ,perlAnglesDQ keepend extend nextgroup=perlSubstitutionModifiers
syn region perlSubstitutionSQ matchgroup=perlMatchStartEnd start=+'+ end=+'+ contained contains=@perlInterpSQ keepend extend nextgroup=perlSubstitutionModifiers
" Translations
" perlMatch is the first part, perlTranslation* is the second, translator part.
syn match perlTranslationModifiers "[cdsr]\+" contained
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\>\s*\z([^[:space:]([{<#]\)+ end=+\z1+me=e-1 contains=@perlInterpSQ nextgroup=perlTranslationGQ
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)#+ end=+#+me=e-1 contains=@perlInterpSQ nextgroup=perlTranslationGQ
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*\[+ end=+\]+ contains=@perlInterpSQ,perlBracketsSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*(+ end=+)+ contains=@perlInterpSQ,perlParensSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*<+ end=+>+ contains=@perlInterpSQ,perlAnglesSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*{+ end=+}+ contains=@perlInterpSQ,perlBracesSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl
syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+\z([^[:space:]([{<]\)+ end=+\z1+ contained nextgroup=perlTranslationModifiers
syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+(+ end=+)+ contains=perlParensSQ contained nextgroup=perlTranslationModifiers
syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+\[+ end=+\]+ contains=perlBracketsSQ contained nextgroup=perlTranslationModifiers
syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+{+ end=+}+ contains=perlBracesSQ contained nextgroup=perlTranslationModifiers
syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+<+ end=+>+ contains=perlAnglesSQ contained nextgroup=perlTranslationModifiers
" Strings and q, qq, qw and qr expressions
syn region perlStringUnexpanded matchgroup=perlStringStartEnd start="'" end="'" contains=@perlInterpSQ keepend extend concealends
syn region perlString matchgroup=perlStringStartEnd start=+"+ end=+"+ contains=@perlInterpDQ keepend extend concealends
syn region perlQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\>\s*\z([^[:space:]#([{<]\)+ end=+\z1+ contains=@perlInterpSQ keepend extend
syn region perlQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q#+ end=+#+ contains=@perlInterpSQ keepend extend
syn region perlQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*(+ end=+)+ contains=@perlInterpSQ,perlParensSQ keepend extend
syn region perlQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*\[+ end=+\]+ contains=@perlInterpSQ,perlBracketsSQ keepend extend
syn region perlQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*{+ end=+}+ contains=@perlInterpSQ,perlBracesSQ keepend extend
syn region perlQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*<+ end=+>+ contains=@perlInterpSQ,perlAnglesSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\>\s*\z([^[:space:]#([{<]\)+ end=+\z1+ contains=@perlInterpDQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]#+ end=+#+ contains=@perlInterpDQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*(+ end=+)+ contains=@perlInterpDQ,perlParensDQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*\[+ end=+\]+ contains=@perlInterpDQ,perlBracketsDQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*{+ end=+}+ contains=@perlInterpDQ,perlBracesDQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q[qx]\s*<+ end=+>+ contains=@perlInterpDQ,perlAnglesDQ keepend extend
syn region perlQW matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*\z([^[:space:]#([{<]\)+ end=+\z1+ contains=@perlInterpSQ keepend extend
syn region perlQW matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw#+ end=+#+ contains=@perlInterpSQ keepend extend
syn region perlQW matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*(+ end=+)+ contains=@perlInterpSQ,perlParensSQ keepend extend
syn region perlQW matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*\[+ end=+\]+ contains=@perlInterpSQ,perlBracketsSQ keepend extend
syn region perlQW matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*{+ end=+}+ contains=@perlInterpSQ,perlBracesSQ keepend extend
syn region perlQW matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*<+ end=+>+ contains=@perlInterpSQ,perlAnglesSQ keepend extend
syn match perlQRModifiers "[msixpadluno]\+" contained
syn region perlQR matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\>\s*\z([^[:space:]#([{<'/]\)+ end=+\z1+ contains=@perlInterpMatch keepend extend nextgroup=perlQRModifiers
syn region perlQR matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*/+ end=+/+ contains=@perlInterpSlash keepend extend nextgroup=perlQRModifiers
syn region perlQR matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr#+ end=+#+ contains=@perlInterpMatch keepend extend nextgroup=perlQRModifiers
syn region perlQR matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*'+ end=+'+ contains=@perlInterpSQ keepend extend nextgroup=perlQRModifiers
syn region perlQR matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*(+ end=+)+ contains=@perlInterpMatch,perlParensDQ keepend extend nextgroup=perlQRModifiers
" A special case for qr{}, qr<> and qr[] which allows for comments and extra whitespace in the pattern
syn region perlQR matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*{+ end=+}+ contains=@perlInterpMatch,perlBracesDQ,perlComment keepend extend nextgroup=perlQRModifiers
syn region perlQR matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*<+ end=+>+ contains=@perlInterpMatch,perlAnglesDQ,perlComment keepend extend nextgroup=perlQRModifiers
syn region perlQR matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*\[+ end=+\]+ contains=@perlInterpMatch,perlBracketsDQ,perlComment keepend extend nextgroup=perlQRModifiers
" Constructs such as print <<EOF [...] EOF, 'here' documents
" XXX Any statements after the identifier are in perlString colour (i.e.
" 'if $a' in 'print <<EOF if $a'). This is almost impossible to get right it
" seems due to the 'auto-extending nature' of regions.
" XXX Indented heredocs are not perfect - they sometimes seem to take a moment
" to update if switched from double to single quotes and vice versa.
" Note: bare delimiters such as << to mean <<"" are not supported. These are a
" fatal error since 5.28 and, apparently, a rarely used feature.
syn region perlHereDocStart matchgroup=perlStringStartEnd start=+<<\~\=\I\i*+ end=+$+ contains=@perlTop oneline
syn region perlHereDocStart matchgroup=perlStringStartEnd start=+<<\~\=\\\I\i*+ end=+$+ contains=@perlTop oneline
syn region perlHereDocStart matchgroup=perlStringStartEnd start=+<<\~\=\s*"[^\\"]*\%(\\.[^\\"]*\)*"+ end=+$+ contains=@perlTop oneline
syn region perlHereDocStart matchgroup=perlStringStartEnd start=+<<\~\=\s*'[^\\']*\%(\\.[^\\']*\)*'+ end=+$+ contains=@perlTop oneline
syn region perlHereDocStart matchgroup=perlStringStartEnd start=+<<\~\=\s*`[^\\`]*\%(\\.[^\\`]*\)*`+ end=+$+ contains=@perlTop oneline
syn region perlHereDocStart matchgroup=perlStringStartEnd start=+<<\~\=\s*""+ end=+$+ contains=@perlTop oneline
syn region perlHereDocStart matchgroup=perlStringStartEnd start=+<<\~\=\s*''+ end=+$+ contains=@perlTop oneline
syn region perlHereDocStart matchgroup=perlStringStartEnd start=+<<\~\=\s*``+ end=+$+ contains=@perlTop oneline
if get(g:, 'perl_fold', 0)
syn region perlHereDoc start=+<<\z(\I\i*\)+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpDQ fold extend
syn region perlHereDoc start=+<<\\\z(\I\i*\)+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpSQ fold extend
syn region perlHereDoc start=+<<\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpDQ fold extend
syn region perlHereDoc start=+<<\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpSQ fold extend
syn region perlHereDoc start=+<<\s*`\z([^\\`]*\%(\\.[^\\`]*\)*\)`+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpDQ fold extend
syn region perlHereDoc start=+<<\s*""+ matchgroup=perlStringStartEnd end=+^$+ contains=perlHereDocStart,@perlInterpDQ,perlNotEmptyLine fold extend
syn region perlHereDoc start=+<<\s*''+ matchgroup=perlStringStartEnd end=+^$+ contains=perlHereDocStart,@perlInterpSQ,perlNotEmptyLine fold extend
syn region perlHereDoc start=+<<\s*``+ matchgroup=perlStringStartEnd end=+^$+ contains=perlHereDocStart,@perlInterpDQ,perlNotEmptyLine fold extend
syn region perlHereDoc start=+<<\z(\I\i*\)+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpDQ
syn region perlHereDoc start=+<<\\\z(\I\i*\)+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpSQ
syn region perlHereDoc start=+<<\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpDQ
syn region perlHereDoc start=+<<\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpSQ
syn region perlHereDoc start=+<<\s*`\z([^\\`]*\%(\\.[^\\`]*\)*\)`+ matchgroup=perlStringStartEnd end=+^\z1$+ contains=perlHereDocStart,@perlInterpDQ
syn region perlHereDoc start=+<<\s*""+ matchgroup=perlStringStartEnd end=+^$+ contains=perlHereDocStart,@perlInterpDQ,perlNotEmptyLine
syn region perlHereDoc start=+<<\s*''+ matchgroup=perlStringStartEnd end=+^$+ contains=perlHereDocStart,@perlInterpSQ,perlNotEmptyLine
syn region perlHereDoc start=+<<\s*``+ matchgroup=perlStringStartEnd end=+^$+ contains=perlHereDocStart,@perlInterpDQ,perlNotEmptyLine
endif
if get(g:, 'perl_fold', 0)
syn region perlIndentedHereDoc start=+<<\~\z(\I\i*\)+ matchgroup=perlStringStartEnd end=+^\s*\z1$+ contains=perlIndentedHereDocStart,@perlInterpDQ fold extend
syn region perlIndentedHereDoc start=+<<\~\\\z(\I\i*\)+ matchgroup=perlStringStartEnd end=+^\s*\z1$+ contains=perlIndentedHereDocStart,@perlInterpSQ fold extend
syn region perlIndentedHereDoc start=+<<\~\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ matchgroup=perlStringStartEnd end=+^\s*\z1$+ contains=perlIndentedHereDocStart,@perlInterpDQ fold extend
syn region perlIndentedHereDoc start=+<<\~\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ matchgroup=perlStringStartEnd end=+^\s*\z1$+ contains=perlIndentedHereDocStart,@perlInterpSQ fold extend
syn region perlIndentedHereDoc start=+<<\~\s*`\z([^\\`]*\%(\\.[^\\`]*\)*\)`+ matchgroup=perlStringStartEnd end=+^\s*\z1$+ contains=perlIndentedHereDocStart,@perlInterpDQ fold extend
syn region perlIndentedHereDoc start=+<<\~\s*""+ matchgroup=perlStringStartEnd end=+^$+ contains=perlIndentedHereDocStart,@perlInterpDQ,perlNotEmptyLine fold extend
syn region perlIndentedHereDoc start=+<<\~\s*''+ matchgroup=perlStringStartEnd end=+^$+ contains=perlIndentedHereDocStart,@perlInterpSQ,perlNotEmptyLine fold extend
syn region perlIndentedHereDoc start=+<<\~\s*``+ matchgroup=perlStringStartEnd end=+^$+ contains=perlIndentedHereDocStart,@perlInterpDQ,perlNotEmptyLine fold extend
syn region perlIndentedHereDoc start=+<<\~\z(\I\i*\)+ matchgroup=perlStringStartEnd end=+^\s*\z1$+ contains=perlHereDocStart,@perlInterpDQ
syn region perlIndentedHereDoc start=+<<\~\\\z(\I\i*\)+ matchgroup=perlStringStartEnd end=+^\s*\z1$+ contains=perlHereDocStart,@perlInterpSQ
syn region perlIndentedHereDoc start=+<<\~\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ matchgroup=perlStringStartEnd end=+^\s*\z1$+ contains=perlHereDocStart,@perlInterpDQ
syn region perlIndentedHereDoc start=+<<\~\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ matchgroup=perlStringStartEnd end=+^\s*\z1$+ contains=perlHereDocStart,@perlInterpSQ
syn region perlIndentedHereDoc start=+<<\~\s*`\z([^\\`]*\%(\\.[^\\`]*\)*\)`+ matchgroup=perlStringStartEnd end=+^\s*\z1$+ contains=perlHereDocStart,@perlInterpDQ
syn region perlIndentedHereDoc start=+<<\~\s*""+ matchgroup=perlStringStartEnd end=+^$+ contains=perlHereDocStart,@perlInterpDQ,perlNotEmptyLine
syn region perlIndentedHereDoc start=+<<\~\s*''+ matchgroup=perlStringStartEnd end=+^$+ contains=perlHereDocStart,@perlInterpSQ,perlNotEmptyLine
syn region perlIndentedHereDoc start=+<<\~\s*``+ matchgroup=perlStringStartEnd end=+^$+ contains=perlHereDocStart,@perlInterpDQ,perlNotEmptyLine
endif
" Class declarations
syn match perlPackageDecl "\<package\s\+\%(\h\|::\)\%(\w\|::\)*" contains=perlStatementPackage
syn keyword perlStatementPackage package contained
" Functions
if get(g:, "perl_sub_signatures", 0)
syn match perlSubSignature "\s*([^)]*)" contained extend
syn match perlSubPrototype "\s*([\\$@%&*\[\];]*)" contained extend
endif
syn match perlSubAttribute "\s*:\s*\h\w*\%(([^)]*)\|\)" contained extend
syn match perlSubName "\%(\h\|::\|'\w\)\%(\w\|::\|'\w\)*\s*" contained extend
syn region perlSubDeclaration start="" end="[;{]" contains=perlSubName,perlSubPrototype,perlSubAttribute,perlSubSignature,perlComment contained transparent
syn match perlFunction "\<sub\>\_s*" nextgroup=perlSubDeclaration
" The => operator forces a bareword to the left of it to be interpreted as
" a string
syn match perlString "\I\@<!-\?\I\i*\%(\s*=>\)\@="
" All other # are comments, except ^#!
syn match perlComment "#.*" contains=perlTodo,@Spell extend
syn match perlSharpBang "^#!.*"
" Formats
syn region perlFormat matchgroup=perlStatementIOFunc start="^\s*\<format\s\+\k\+\s*=\s*$"rs=s+6 end="^\s*\.\s*$" contains=perlFormatName,perlFormatField,perlVarPlain,perlVarPlain2
syn match perlFormatName "format\s\+\k\+\s*="lc=7,me=e-1 contained
syn match perlFormatField "[@^][|<>~]\+\%(\.\.\.\)\=" contained
syn match perlFormatField "[@^]#[#.]*" contained
syn match perlFormatField "@\*" contained
syn match perlFormatField "@[^A-Za-z_|<>~#*]"me=e-1 contained
syn match perlFormatField "@$" contained
" __END__ and __DATA__ clauses
" Vim excludes empty syn-region end lines from the fold region. This is
" probably a bug and means a DATA section ending with an empty line does not
" have that final line included in the fold.
" As a workaround we exploit an unterminated syntax region here with an end
" pattern that will (probably) never match. This forces all lines to be
" included in the fold region. Of course, if it does match then there's
" nothing to work around as it is a non-empty line.
" This problem also exists with empty string delimited heredocs but there's no
" known workaround for that case.
if get(g:, 'perl_fold', 0)
syntax region perlDATA matchgroup=perlDATAStart start="^__DATA__$" end="VIM_PERL_EOF\%$" contains=@perlDATA fold
syntax region perlEND matchgroup=perlENDStart start="^__END__$" end="VIM_PERL_EOF\%$" contains=@perlDATA fold
syntax region perlDATA matchgroup=perlDATAStart start="^__DATA__$" end="\%$" contains=@perlDATA
syntax region perlEND matchgroup=perlENDStart start="^__END__$" end="\%$" contains=@perlDATA
endif
" TODO: generalise this to allow other filetypes
if get(g:, 'perl_highlight_data', 0)
syn cluster perlDATA add=perlPOD
syn cluster perlDATA remove=perlPOD
endif
" Folding
if get(g:, 'perl_fold', 0)
" Note: this bit must come before the actual highlighting of the "package"
" keyword, otherwise this will screw up Pod lines that match /^package/
if !get(g:, 'perl_nofold_packages', 0)
syn region perlPackageFold start="^package \S\+;\s*\%(#.*\)\=$" end="^1;\=\s*\%(#.*\)\=$" end="\n\+package"me=s-1 transparent fold keepend
syn region perlPackageFold start="^\z(\s*\)package\s*\S\+\s*{" end="^\z1}" transparent fold keepend
endif
if !get(g:, 'perl_nofold_subs', 0)
if get(g:, "perl_fold_anonymous_subs", 0)
" EXPLANATION:
" \<sub\> - "sub" keyword
" \_[^;{]* - any characters, including new line, but not ";" or "{", zero or more times
" \%(([\\$@%&*\[\];]*)\)\= - prototype definition, \$@%&*[]; characters between (), zero or 1 times
" \_[^;]* - any characters, including new line, but not ";" or "{", zero or more times
" { - start subroutine block
syn region perlSubFold start="\<sub\>\_[^;{]*\%(([\\$@%&*\[\];]*)\)\=\_[^;{]*{" end="}" transparent fold keepend extend
" EXPLANATION:
" same, as above, but first non-space character after "sub" keyword must
" be [A-Za-z_]
syn region perlSubFold start="\<sub\>\s*\h\_[^;{]*\%(([\\$@%&*\[\];]*)\)\=\_[^;]*{" end="}" transparent fold keepend extend
endif
syn region perlSubFold start="\<\%(BEGIN\|END\|CHECK\|INIT\|UNITCHECK\)\>\_s*{" end="}" transparent fold keepend
endif
if get(g:, 'perl_fold_blocks', 0)
syn region perlBlockFold start="^\z(\s*\)\%(if\|elsif\|unless\|for\|while\|until\|given\)\s*(.*)\%(\s*{\)\=\s*\%(#.*\)\=$" start="^\z(\s*\)for\%(each\)\=\s*\%(\%(my\|our\)\=\s*\S\+\s*\)\=(.*)\%(\s*{\)\=\s*\%(#.*\)\=$" end="^\z1}\s*;\=\%(#.*\)\=$" transparent fold keepend
" TODO this is works incorrectly
syn region perlBlockFold start="^\z(\s*\)\%(do\|else\)\%(\s*{\)\=\s*\%(#.*\)\=$" end="^\z1}\s*while" end="^\z1}\s*;\=\%(#.*\)\=$" transparent fold keepend
if get(g:, 'perl_fold_do_blocks', 0)
syn region perlDoBlockDeclaration start="" end="{" contains=perlComment contained transparent
syn match perlOperator "\<do\>\_s*" nextgroup=perlDoBlockDeclaration
syn region perlDoBlockFold start="\<do\>\_[^{]*{" end="}" transparent fold keepend extend
endif
endif
syn sync fromstart
" fromstart above seems to set minlines even if perl_fold is not set.
syn sync minlines=0
endif
" NOTE: If you're linking new highlight groups to perlString, please also put
" them into b:match_skip in ftplugin/perl.vim.
" The default highlighting.
hi def link perlSharpBang PreProc
hi def link perlControl PreProc
hi def link perlInclude Include
hi def link perlSpecial Special
hi def perlString ctermbg=magenta ctermfg=black
hi def link perlCharacter Character
hi def link perlNumber Number
hi def link perlFloat Float
hi def link perlType Type
hi def link perlIdentifier Identifier
hi def link perlLabel Label
hi def link perlStatement Statement
hi def link perlConditional Conditional
hi def link perlRepeat Repeat
hi def link perlOperator Operator
hi def link perlFunction Keyword
hi def link perlSubName Function
hi def link perlSubPrototype Type
hi def link perlSubSignature Type
hi def link perlSubAttribute PreProc
hi def link perlComment Comment
hi def link perlTodo Todo
if get(g:, 'perl_string_as_statement', 0)
hi def link perlStringStartEnd perlStatement
hi def link perlStringStartEnd perlString
endif
hi def link perlVStringV perlStringStartEnd
hi def link perlList perlStatement
hi def link perlMisc perlStatement
hi def link perlVarPlain perlIdentifier
hi def link perlVarPlain2 perlIdentifier
hi def link perlArrow perlIdentifier
hi def link perlFiledescRead perlIdentifier
hi def link perlFiledescStatement perlIdentifier
hi def link perlVarSimpleMember perlIdentifier
hi def link perlVarSimpleMemberName perlString
hi def link perlVarNotInMatches perlIdentifier
hi def link perlVarSlash perlIdentifier
hi def link perlQ perlString
hi def link perlQQ perlString
hi def link perlQW perlString
hi def link perlQR perlString
hi def link perlMatchModifiers perlMatchStartEnd
hi def link perlSubstitutionModifiers perlMatchStartEnd
hi def link perlTranslationModifiers perlMatchStartEnd
hi def link perlQRModifiers perlStringStartEnd
hi def link perlHereDoc perlString
hi def link perlIndentedHereDoc perlString
hi def link perlStringUnexpanded perlString
hi def link perlSubstitutionSQ perlString
hi def link perlSubstitutionGQQ perlString
hi def link perlTranslationGQ perlString
hi def link perlMatch perlString
hi def link perlMatchStartEnd perlStatement
hi def link perlFormatName perlIdentifier
hi def link perlFormatField perlString
hi def link perlPackageDecl perlType
hi def link perlStorageClass perlType
hi def link perlPackageRef perlType
hi def link perlStatementPackage perlStatement
hi def link perlStatementStorage perlStatement
hi def link perlStatementControl perlStatement
hi def link perlStatementScalar perlStatement
hi def link perlStatementRegexp perlStatement
hi def link perlStatementNumeric perlStatement
hi def link perlStatementList perlStatement
hi def link perlStatementHash perlStatement
hi def link perlStatementIOfunc perlStatement
hi def link perlStatementFiledesc perlStatement
hi def link perlStatementVector perlStatement
hi def link perlStatementFiles perlStatement
hi def link perlStatementFlow perlStatement
hi def link perlStatementInclude perlStatement
hi def link perlStatementProc perlStatement
hi def link perlStatementSocket perlStatement
hi def link perlStatementIPC perlStatement
hi def link perlStatementNetwork perlStatement
hi def link perlStatementPword perlStatement
hi def link perlStatementTime perlStatement
hi def link perlStatementMisc perlStatement
hi def link perlStatementIndirObj perlStatement
hi def link perlFunctionName perlIdentifier
hi def link perlMethod perlIdentifier
hi def link perlPostDeref perlIdentifier
hi def link perlFunctionPRef perlType
if !get(g:, 'perl_include_pod', 1)
hi def link perlPOD perlComment
endif
hi def link perlShellCommand perlString
hi def link perlSpecialAscii perlSpecial
hi def link perlSpecialDollar perlSpecial
hi def perlSpecialString term=bold ctermfg=green
hi def link perlSpecialStringU perlSpecial
hi def link perlSpecialMatch perlSpecial
hi def link perlEND perlComment
hi def link perlENDStart perlEND
hi def link perlDATA perlComment
hi def link perlDATAStart perlDATA
" NOTE: Due to a bug in Vim (or more likely, a misunderstanding on my part),
" I had to remove the transparent property from the following regions
" in order to get them to highlight correctly. Feel free to remove
" these and reinstate the transparent property if you know how.
hi def link perlParensSQ perlString
hi def link perlBracketsSQ perlString
hi def link perlBracesSQ perlString
hi def link perlAnglesSQ perlString
hi def link perlParensDQ perlString
hi def link perlBracketsDQ perlString
hi def link perlBracesDQ perlString
hi def link perlAnglesDQ perlString
hi def link perlSpecialStringU2 perlSpecialString
" Possible errors
hi def link perlNotEmptyLine Error
hi def link perlElseIfError Error
" Syncing to speed up processing
if !get(g:, 'perl_no_sync_on_sub', 0)
syn sync match perlSync grouphere NONE "^\s*\<package\s"
syn sync match perlSync grouphere NONE "^\s*\<sub\>"
syn sync match perlSync grouphere NONE "^}"
endif
if !get(g:, 'perl_no_sync_on_global_var', 0)
syn sync match perlSync grouphere NONE "^$\I[[:alnum:]_:]+\s*=\s*{"
syn sync match perlSync grouphere NONE "^[@%]\I[[:alnum:]_:]+\s*=\s*("
endif
if get(g:, 'perl_sync_dist', 0)
execute "syn sync maxlines=" . perl_sync_dist
syn sync maxlines=100
endif
syn sync match perlSyncPOD grouphere perlPOD "^=pod"
syn sync match perlSyncPOD grouphere perlPOD "^=head"
syn sync match perlSyncPOD grouphere perlPOD "^=item"
syn sync match perlSyncPOD grouphere NONE "^=cut"
set conceallevel=2
let b:current_syntax = "perl"
let &cpo = s:cpo_save
unlet s:cpo_save
" XXX Change to sts=4:sw=4
" vim:ts=8:sts=2:sw=2:expandtab:ft=vim

vim syntax highlighting for perl, to use colors instead of \ and "

vim syntax highlighting for perl, to use colors instead of \ and "

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