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			663 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			VimL
		
	
	
	
	
	
			
		
		
	
	
			663 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			VimL
		
	
	
	
	
	
| " Vim syntax file
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| " Language:      Perl
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| " Maintainer:    vim-perl <vim-perl@googlegroups.com>
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| " Homepage:      https://github.com/vim-perl/vim-perl
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| " Bugs/requests: https://github.com/vim-perl/vim-perl/issues
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| " License:       Vim License (see :help license)
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| " Last Change:   2022 Jun 13
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| " Contributors:  Andy Lester <andy@petdance.com>
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| "                Hinrik Örn Sigurðsson <hinrik.sig@gmail.com>
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| "                Lukas Mai <l.mai.web.de>
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| "                Nick Hibma <nick@van-laarhoven.org>
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| "                Sonia Heimann <niania@netsurf.org>
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| "                Rob Hoelz <rob@hoelz.ro>
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| "                Doug Kearns <dougkearns@gmail.com>
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| "                and many others.
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| "
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| " Please download the most recent version first, before mailing
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| " any comments.
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| "
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| " The following parameters are available for tuning the
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| " perl syntax highlighting, with defaults given:
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| "
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| " let perl_include_pod = 1
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| " unlet perl_no_scope_in_variables
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| " unlet perl_no_extended_vars
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| " unlet perl_string_as_statement
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| " unlet perl_no_sync_on_sub
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| " unlet perl_no_sync_on_global_var
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| " let perl_sync_dist = 100
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| " unlet perl_fold
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| " unlet perl_fold_blocks
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| " unlet perl_nofold_packages
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| " unlet perl_nofold_subs
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| " unlet perl_fold_anonymous_subs
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| " unlet perl_no_subprototype_error
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| 
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| if exists("b:current_syntax")
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|   finish
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| endif
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| 
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| let s:cpo_save = &cpo
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| set cpo&vim
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| 
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| " POD starts with ^=<word> and ends with ^=cut
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| 
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| if get(g:, 'perl_include_pod', 1)
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|   " Include a while extra syntax file
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|   syn include @Pod syntax/pod.vim
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|   unlet b:current_syntax
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|   if get(g:, 'perl_fold', 1)
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|     syn region perlPOD start="^=[a-z]" end="^=cut" contains=@Pod,@Spell,perlTodo keepend fold extend
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|     syn region perlPOD start="^=cut" end="^=cut" contains=perlTodo keepend fold extend
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|   else
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|     syn region perlPOD start="^=[a-z]" end="^=cut" contains=@Pod,@Spell,perlTodo keepend
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|     syn region perlPOD start="^=cut" end="^=cut" contains=perlTodo keepend
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|   endif
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| else
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|   " Use only the bare minimum of rules
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|   if get(g:, 'perl_fold', 1)
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|     syn region perlPOD start="^=[a-z]" end="^=cut" fold
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|   else
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|     syn region perlPOD start="^=[a-z]" end="^=cut"
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|   endif
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| endif
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| 
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| 
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| syn cluster perlTop		contains=TOP
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| 
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| syn region perlBraces start="{" end="}" transparent extend
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| 
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| " All keywords
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| "
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| syn match perlConditional		"\<\%(if\|elsif\|unless\|given\|when\|default\)\>"
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| syn match perlConditional		"\<else\%(\%(\_s\*if\>\)\|\>\)" contains=perlElseIfError skipwhite skipnl skipempty
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| syn match perlRepeat			"\<\%(while\|for\%(each\)\=\|do\|until\|continue\)\>"
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| syn match perlOperator			"\<\%(defined\|undef\|eq\|ne\|[gl][et]\|cmp\|not\|and\|or\|xor\|not\|bless\|ref\|do\)\>"
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| " for some reason, adding this as the nextgroup for perlControl fixes BEGIN
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| " folding issues...
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| syn match perlFakeGroup 		"" contained
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| syn match perlControl			"\<\%(BEGIN\|CHECK\|INIT\|END\|UNITCHECK\)\>\_s*" nextgroup=perlFakeGroup
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| 
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| syn match perlStatementStorage		"\<\%(my\|our\|local\|state\)\>"
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| syn match perlStatementControl		"\<\%(return\|last\|next\|redo\|goto\|break\)\>"
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| syn match perlStatementScalar		"\<\%(chom\=p\|chr\|crypt\|r\=index\|lc\%(first\)\=\|length\|ord\|pack\|sprintf\|substr\|fc\|uc\%(first\)\=\)\>"
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| syn match perlStatementRegexp		"\<\%(pos\|quotemeta\|split\|study\)\>"
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| syn match perlStatementNumeric		"\<\%(abs\|atan2\|cos\|exp\|hex\|int\|log\|oct\|rand\|sin\|sqrt\|srand\)\>"
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| syn match perlStatementList		"\<\%(splice\|unshift\|shift\|push\|pop\|join\|reverse\|grep\|map\|sort\|unpack\)\>"
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| syn match perlStatementHash		"\<\%(delete\|each\|exists\|keys\|values\)\>"
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| syn match perlStatementIOfunc		"\<\%(syscall\|dbmopen\|dbmclose\)\>"
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| 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
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| syn match perlStatementFiledesc		"\<\%(fcntl\|flock\|ioctl\|open\%(dir\)\=\|read\|seek\%(dir\)\=\|sys\%(open\|read\|seek\|write\)\|truncate\)\>" nextgroup=perlFiledescStatementComma skipwhite
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| syn match perlStatementVector		"\<vec\>"
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| syn match perlStatementFiles		"\<\%(ch\%(dir\|mod\|own\|root\)\|glob\|link\|mkdir\|readlink\|rename\|rmdir\|symlink\|umask\|unlink\|utime\)\>"
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| syn match perlStatementFiles		"-[rwxoRWXOezsfdlpSbctugkTBMAC]\>"
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| syn match perlStatementFlow		"\<\%(caller\|die\|dump\|eval\|exit\|wantarray\|evalbytes\)\>"
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| syn match perlStatementInclude		"\<\%(require\|import\|unimport\)\>"
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| 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\)\=\)\>\)\="
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| syn match perlStatementProc		"\<\%(alarm\|exec\|fork\|get\%(pgrp\|ppid\|priority\)\|kill\|pipe\|set\%(pgrp\|priority\)\|sleep\|system\|times\|wait\%(pid\)\=\)\>"
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| syn match perlStatementSocket		"\<\%(accept\|bind\|connect\|get\%(peername\|sock\%(name\|opt\)\)\|listen\|recv\|send\|setsockopt\|shutdown\|socket\%(pair\)\=\)\>"
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| syn match perlStatementIPC		"\<\%(msg\%(ctl\|get\|rcv\|snd\)\|sem\%(ctl\|get\|op\)\|shm\%(ctl\|get\|read\|write\)\)\>"
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| syn match perlStatementNetwork		"\<\%(\%(end\|[gs]et\)\%(host\|net\|proto\|serv\)ent\|get\%(\%(host\|net\)by\%(addr\|name\)\|protoby\%(name\|number\)\|servby\%(name\|port\)\)\)\>"
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| syn match perlStatementPword		"\<\%(get\%(pw\%(uid\|nam\)\|gr\%(gid\|nam\)\|login\)\)\|\%(end\|[gs]et\)\%(pw\|gr\)ent\>"
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| syn match perlStatementTime		"\<\%(gmtime\|localtime\|time\)\>"
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| 
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| syn match perlStatementMisc		"\<\%(warn\|format\|formline\|reset\|scalar\|prototype\|lock\|tied\=\|untie\)\>"
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| 
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| syn keyword perlTodo			TODO TODO: TBD TBD: FIXME FIXME: XXX XXX: NOTE NOTE: contained
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| 
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| syn region perlStatementIndirObjWrap   matchgroup=perlStatementIndirObj start="\%(\<\%(map\|grep\|sort\|printf\=\|say\|system\|exec\)\>\s*\)\@<={" end="}" transparent extend
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| 
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| syn match perlLabel      "^\s*\h\w*\s*::\@!\%(\<v\d\+\s*:\)\@<!"
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| 
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| " Perl Identifiers.
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| "
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| " Should be cleaned up to better handle identifiers in particular situations
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| " (in hash keys for example)
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| "
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| " Plain identifiers: $foo, @foo, $#foo, %foo, &foo and dereferences $$foo, @$foo, etc.
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| " We do not process complex things such as @{${"foo"}}. Too complicated, and
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| " too slow. And what is after the -> is *not* considered as part of the
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| " variable - there again, too complicated and too slow.
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| 
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| " Special variables first ($^A, ...) and ($|, $', ...)
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| syn match  perlVarPlain		 "$^[ACDEFHILMNOPRSTVWX]\="
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| syn match  perlVarPlain		 "$[\\\"\[\]'&`+*.,;=%~!?@#$<>(-]"
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| syn match  perlVarPlain		 "@[-+]"
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| syn match  perlVarPlain		 "$\%(0\|[1-9]\d*\)"
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| " Same as above, but avoids confusion in $::foo (equivalent to $main::foo)
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| syn match  perlVarPlain		 "$::\@!"
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| " These variables are not recognized within matches.
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| syn match  perlVarNotInMatches	 "$[|)]"
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| " This variable is not recognized within matches delimited by m//.
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| syn match  perlVarSlash		 "$/"
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| 
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| " And plain identifiers
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| syn match  perlPackageRef	 "[$@#%*&]\%(\%(::\|'\)\=\I\i*\%(\%(::\|'\)\I\i*\)*\)\=\%(::\|'\)\I"ms=s+1,me=e-1 contained
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| 
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| " To not highlight packages in variables as a scope reference - i.e. in
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| " $pack::var, pack:: is a scope, just set "perl_no_scope_in_variables"
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| " If you don't want complex things like @{${"foo"}} to be processed,
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| " just set the variable "perl_no_extended_vars"...
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| 
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| if !get(g:, 'perl_no_scope_in_variables', 0)
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|   syn match  perlVarPlain       "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
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|   syn match  perlVarPlain2                   "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
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|   syn match  perlFunctionName                "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
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| else
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|   syn match  perlVarPlain       "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
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|   syn match  perlVarPlain2                   "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
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|   syn match  perlFunctionName                "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref
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| endif
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| 
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| syn match  perlVarPlain2	 "%[-+]"
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| 
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| if !get(g:, 'perl_no_extended_vars', 0)
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|   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
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|   syn region perlArrow		matchgroup=perlArrow start="->\s*(" end=")" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained
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|   syn region perlArrow		matchgroup=perlArrow start="->\s*\[" end="\]" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained
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|   syn region perlArrow		matchgroup=perlArrow start="->\s*{" end="}" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained
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|   syn match  perlArrow		"->\s*{\s*\I\i*\s*}" contains=perlVarSimpleMemberName nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained
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|   syn region perlVarBlock	matchgroup=perlVarPlain start="\%($#\|[$@]\)\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
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|   syn region perlVarBlock2	matchgroup=perlVarPlain start="[%&*]\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
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|   syn match  perlVarPlain2	"[%&*]\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
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|   syn match  perlVarPlain	"\%(\$#\|[@$]\)\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
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|   syn region perlVarMember	matchgroup=perlVarPlain start="\%(->\)\={" skip="\\}" end="}" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
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|   syn match  perlVarSimpleMember	"\%(->\)\={\s*\I\i*\s*}" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contains=perlVarSimpleMemberName contained extend
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|   syn match  perlVarSimpleMemberName	"\I\i*" contained
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|   syn region perlVarMember	matchgroup=perlVarPlain start="\%(->\)\=\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend
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|   syn match perlPackageConst	"__PACKAGE__" nextgroup=perlPostDeref
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|   syn match  perlPostDeref	"->\%($#\|[$@%&*]\)\*" contained nextgroup=perlVarSimpleMember,perlVarMember,perlPostDeref
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|   syn region  perlPostDeref	start="->\%($#\|[$@%&*]\)\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarSimpleMember,perlVarMember,perlPostDeref
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|   syn region  perlPostDeref	matchgroup=perlPostDeref start="->\%($#\|[$@%&*]\){" skip="\\}" end="}" keepend extend contained contains=@perlExpr nextgroup=perlVarSimpleMember,perlVarMember,perlPostDeref
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| endif
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| 
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| " File Descriptors
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| syn match  perlFiledescRead	"<\h\w*>"
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| 
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| syn match  perlFiledescStatementComma	"(\=\s*\<\u\w*\>\s*,"me=e-1 transparent contained contains=perlFiledescStatement
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| syn match  perlFiledescStatementNocomma "(\=\s*\<\u\w*\>\s*[^, \t]"me=e-1 transparent contained contains=perlFiledescStatement
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| 
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| syn match  perlFiledescStatement	"\<\u\w*\>" contained
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| 
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| " Special characters in strings and matches
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| syn match  perlSpecialString	"\\\%(\o\{1,3}\|x\%({\x\+}\|\x\{1,2}\)\|c.\|[^cx]\)" contained extend
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| syn match  perlSpecialStringU2	"\\." extend contained contains=NONE
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| syn match  perlSpecialStringU	"\\\\" contained
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| syn match  perlSpecialMatch	"\\[1-9]" contained extend
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| syn match  perlSpecialMatch	"\\g\%(\d\+\|{\%(-\=\d\+\|\h\w*\)}\)" contained
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| syn match  perlSpecialMatch	"\\k\%(<\h\w*>\|'\h\w*'\)" contained
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| syn match  perlSpecialMatch	"{\d\+\%(,\%(\d\+\)\=\)\=}" contained
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| syn match  perlSpecialMatch	"\[[]-]\=[^\[\]]*[]-]\=\]" contained extend
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| syn match  perlSpecialMatch	"[+*()?.]" contained
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| syn match  perlSpecialMatch	"(?[#:=!]" contained
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| syn match  perlSpecialMatch	"(?[impsx]*\%(-[imsx]\+\)\=)" contained
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| syn match  perlSpecialMatch	"(?\%([-+]\=\d\+\|R\))" contained
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| syn match  perlSpecialMatch	"(?\%(&\|P[>=]\)\h\w*)" contained
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| syn match  perlSpecialMatch	"(\*\%(\%(PRUNE\|SKIP\|THEN\)\%(:[^)]*\)\=\|\%(MARK\|\):[^)]*\|COMMIT\|F\%(AIL\)\=\|ACCEPT\))" contained
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| 
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| " Possible errors
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| "
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| " Highlight lines with only whitespace (only in blank delimited here documents) as errors
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| syn match  perlNotEmptyLine	"^\s\+$" contained
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| " Highlight "} else if (...) {", it should be "} else { if (...) { " or "} elsif (...) {"
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| syn match perlElseIfError	"else\_s*if" containedin=perlConditional
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| syn keyword perlElseIfError	elseif containedin=perlConditional
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| 
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| " Variable interpolation
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| "
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| " These items are interpolated inside "" strings and similar constructs.
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| syn cluster perlInterpDQ	contains=perlSpecialString,perlVarPlain,perlVarNotInMatches,perlVarSlash,perlVarBlock
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| " These items are interpolated inside '' strings and similar constructs.
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| syn cluster perlInterpSQ	contains=perlSpecialStringU,perlSpecialStringU2
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| " These items are interpolated inside m// matches and s/// substitutions.
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| syn cluster perlInterpSlash	contains=perlSpecialString,perlSpecialMatch,perlVarPlain,perlVarBlock
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| " These items are interpolated inside m## matches and s### substitutions.
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| syn cluster perlInterpMatch	contains=@perlInterpSlash,perlVarSlash
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| 
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| " Shell commands
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| syn region  perlShellCommand	matchgroup=perlMatchStartEnd start="`" end="`" contains=@perlInterpDQ keepend
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| 
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| " Constants
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| "
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| " Numbers
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| syn case   ignore
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| syn match  perlNumber	"\<\%(0\|[1-9]\%(_\=\d\)*\)\>"
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| syn match  perlNumber	"\<0\%(x\x\%(_\=\x\)*\|b[01]\%(_\=[01]\)*\|o\=\%(_\=\o\)*\)\>"
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| syn match  perlFloat	"\<\d\%(_\=\d\)*e[-+]\=\d\%(_\=\d\)*"
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| syn match  perlFloat	"\<\d\%(_\=\d\)*\.\%(\d\%(_\=\d\)*\)\=\%(e[-+]\=\d\%(_\=\d\)*\)\="
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| syn match  perlFloat    "\.\d\%(_\=\d\)*\%(e[-+]\=\d\%(_\=\d\)*\)\="
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| syn match  perlFloat	"\<0x\x\%(_\=\x\)*p[-+]\=\d\%(_\=\d\)*"
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| syn match  perlFloat	"\<0x\x\%(_\=\x\)*\.\%(\x\%(_\=\x\)*\)\=\%(p[-+]\=\d\%(_\=\d\)*\)\="
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| syn match  perlFloat    "\<0x\.\x\%(_\=\x\)*\%(p[-+]\=\d\%(_\=\d\)*\)\="
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| syn case   match
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| 
 | |
| syn match  perlString	"\<\%(v\d\+\%(\.\d\+\)*\|\d\+\%(\.\d\+\)\{2,}\)\>" contains=perlVStringV
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| syn match  perlVStringV	"\<v" contained
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| 
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| 
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| syn region perlParensSQ		start=+(+ end=+)+ extend contained contains=perlParensSQ,@perlInterpSQ keepend
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| syn region perlBracketsSQ	start=+\[+ end=+\]+ extend contained contains=perlBracketsSQ,@perlInterpSQ keepend
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| syn region perlBracesSQ		start=+{+ end=+}+ extend contained contains=perlBracesSQ,@perlInterpSQ keepend
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| syn region perlAnglesSQ		start=+<+ end=+>+ extend contained contains=perlAnglesSQ,@perlInterpSQ keepend
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| 
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| syn region perlParensDQ		start=+(+ end=+)+ extend contained contains=perlParensDQ,@perlInterpDQ keepend
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| syn region perlBracketsDQ	start=+\[+ end=+\]+ extend contained contains=perlBracketsDQ,@perlInterpDQ keepend
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| syn region perlBracesDQ		start=+{+ end=+}+ extend contained contains=perlBracesDQ,@perlInterpDQ keepend
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| syn region perlAnglesDQ		start=+<+ end=+>+ extend contained contains=perlAnglesDQ,@perlInterpDQ keepend
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| 
 | |
| 
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| " Simple version of searches and matches
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| syn match  perlMatchModifiers "[msixpadluncgo]\+" contained
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| syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\>\s*\z([^[:space:]'([{<#]\)+ end=+\z1+ contains=@perlInterpMatch keepend extend nextgroup=perlMatchModifiers
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| syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m#+ end=+#+ contains=@perlInterpMatch keepend extend nextgroup=perlMatchModifiers
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| syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*'+ end=+'+ contains=@perlInterpSQ keepend extend nextgroup=perlMatchModifiers
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| syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*/+ end=+/+ contains=@perlInterpSlash keepend extend nextgroup=perlMatchModifiers
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| syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*(+ end=+)+ contains=@perlInterpMatch,perlParensDQ keepend extend nextgroup=perlMatchModifiers
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| syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*{+ end=+}+ contains=@perlInterpMatch,perlBracesDQ extend nextgroup=perlMatchModifiers
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| syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*<+ end=+>+ contains=@perlInterpMatch,perlAnglesDQ keepend extend nextgroup=perlMatchModifiers
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| syn region perlMatch	matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*\[+ end=+\]+ contains=@perlInterpMatch,perlBracketsDQ keepend extend nextgroup=perlMatchModifiers
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| 
 | |
| " Below some hacks to recognise the // variant. This is virtually impossible to catch in all
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| " cases as the / is used in so many other ways, but these should be the most obvious ones.
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| 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
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| 
 | |
| 
 | |
| " Substitutions
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| " perlMatch is the first part, perlSubstitution* is the substitution part
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| syn match  perlSubstitutionModifiers "[msixpadluncgero]\+" contained
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| 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
 | |
| syn region perlString		matchgroup=perlStringStartEnd start=+"+  end=+"+ contains=@perlInterpDQ keepend extend
 | |
| 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
 | |
| else
 | |
|   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
 | |
| else
 | |
|   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
 | |
| else
 | |
|     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\%$" contains=@perlDATA fold
 | |
| else
 | |
|   syntax region perlDATA matchgroup=perlDATAStart start="^__DATA__$" 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
 | |
| else
 | |
|   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
 | |
|     else
 | |
|       " 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
 | |
|   else
 | |
|     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
 | |
| else
 | |
|   " 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 link perlString			String
 | |
| 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
 | |
| else
 | |
|   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 link perlSpecialString		perlSpecial
 | |
| 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	perlString
 | |
| 
 | |
| " 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
 | |
| else
 | |
|   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"
 | |
| 
 | |
| 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
 |