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vim-polyglot/syntax/perl.vim
Rob Hoelz 2686fb60f4 Add Perl language files
2013-09-17 17:37:59 +02:00

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" Vim syntax file
" Language: Perl 5
" Maintainer: vim-perl <vim-perl@googlegroups.com>
" Homepage: http://github.com/vim-perl/vim-perl/tree/master
" Bugs/requests: http://github.com/vim-perl/vim-perl/issues
" Last Change: {{LAST_CHANGE}}
" Contributors: Andy Lester <andy@petdance.com>
" Hinrik Örn Sigurðsson <hinrik.sig@gmail.com>
" Lukas Mai <l.mai.web.de>
" Nick Hibma <nick@van-laarhoven.org>
" Sonia Heimann <niania@netsurf.org>
" Rob Hoelz <rob@hoelz.ro>
" 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
" let perl_nofold_subs = 1
" unlet perl_fold_anonymous_subs
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
if exists('&regexpengine')
let s:regexpengine=&regexpengine
set regexpengine=1
endif
" POD starts with ^=<word> and ends with ^=cut
if !exists("perl_include_pod") || perl_include_pod == 1
" Include a while extra syntax file
syn include @Pod syntax/pod.vim
unlet b:current_syntax
if exists("perl_fold")
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
else
syn region perlPOD start="^=[a-z]" end="^=cut" contains=@Pod,@Spell,perlTodo keepend
syn region perlPOD start="^=cut" end="^=cut" contains=perlTodo keepend
endif
else
" Use only the bare minimum of rules
if exists("perl_fold")
syn region perlPOD start="^=[a-z]" end="^=cut" fold
else
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\|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\)\>"
syn match perlStatementInclude "\<\%(require\|import\)\>"
syn match perlStatementInclude "\<\%(use\|no\)\s\+\%(\%(attributes\|attrs\|autouse\|parent\|base\|big\%(int\|num\|rat\)\|blib\|bytes\|charnames\|constant\|diagnostics\|encoding\%(::warnings\)\=\|feature\|fields\|filetest\|if\|integer\|less\|lib\|locale\|mro\|open\|ops\|overload\|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="}" contains=@perlTop,perlBraces 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 !exists("perl_no_scope_in_variables")
syn match perlVarPlain "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
syn match perlVarPlain2 "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef
syn match perlFunctionName "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
else
syn match perlVarPlain "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
syn match perlVarPlain2 "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)"
syn match perlFunctionName "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod
endif
if !exists("perl_no_extended_vars")
syn cluster perlExpr contains=perlStatementIndirObjWrap,perlStatementScalar,perlStatementRegexp,perlStatementNumeric,perlStatementList,perlStatementHash,perlStatementFiles,perlStatementTime,perlStatementMisc,perlVarPlain,perlVarPlain2,perlVarNotInMatches,perlVarSlash,perlVarBlock,perlVarBlock2,perlShellCommand,perlFloat,perlNumber,perlStringUnexpanded,perlString,perlQQ,perlArrow,perlBraces
syn region perlArrow matchgroup=perlArrow start="->\s*(" end=")" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contained
syn region perlArrow matchgroup=perlArrow start="->\s*\[" end="\]" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contained
syn region perlArrow matchgroup=perlArrow start="->\s*{" end="}" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contained
syn match perlArrow "->\s*{\s*\I\i*\s*}" contains=perlVarSimpleMemberName nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contained
syn region perlArrow matchgroup=perlArrow start="->\s*\$*\I\i*\s*(" end=")" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contained
syn region perlVarBlock matchgroup=perlVarPlain start="\%($#\|[$@]\)\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
syn region perlVarBlock2 matchgroup=perlVarPlain start="[%&*]\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
syn match perlVarPlain2 "[%&*]\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
syn match perlVarPlain "\%(\$#\|[@$]\)\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
syn region perlVarMember matchgroup=perlVarPlain start="\%(->\)\={" skip="\\}" end="}" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
syn match perlVarSimpleMember "\%(->\)\={\s*\I\i*\s*}" nextgroup=perlVarMember,perlVarSimpleMember,perlMethod contains=perlVarSimpleMemberName contained extend
syn match perlVarSimpleMemberName "\I\i*" contained
syn region perlVarMember matchgroup=perlVarPlain start="\%(->\)\=\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlMethod extend
syn match perlPackageConst "__PACKAGE__" nextgroup=perlMethod
syn match perlMethod "->\$*\I\i*" contained nextgroup=perlVarSimpleMember,perlVarMember,perlMethod
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 extend
syn match perlSpecialStringU2 "\\." extend contained contains=NONE
syn match perlSpecialStringU "\\\\" 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 match perlNumber "\<\%(0\%(x\x[[:xdigit:]_]*\|b[01][01_]*\|\o[0-7_]*\|\)\|[1-9][[:digit:]_]*\)\>"
syn match perlFloat "\<\d[[:digit:]_]*[eE][\-+]\=\d\+"
syn match perlFloat "\<\d[[:digit:]_]*\.[[:digit:]_]*\%([eE][\-+]\=\d\+\)\="
syn match perlFloat "\.[[:digit:]][[:digit:]_]*\%([eE][\-+]\=\d\+\)\="
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 region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\>\s*\z([^[:space:]'([{<#]\)+ end=+\z1[msixpodualgc]*+ contains=@perlInterpMatch keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m#+ end=+#[msixpodualgc]*+ contains=@perlInterpMatch keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*'+ end=+'[msixpodualgc]*+ contains=@perlInterpSQ keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*/+ end=+/[msixpodualgc]*+ contains=@perlInterpSlash keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*(+ end=+)[msixpodualgc]*+ contains=@perlInterpMatch,perlParensDQ keepend extend
" A special case for m{}, m<> and m[] which allows for comments and extra whitespace in the pattern
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*{+ end=+}[msixpodualgc]*+ contains=@perlInterpMatch,perlComment,perlBracesDQ extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*<+ end=+>[msixpodualgc]*+ contains=@perlInterpMatch,perlAnglesDQ keepend extend
syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*\[+ end=+\][msixpodualgc]*+ contains=@perlInterpMatch,perlComment,perlBracketsDQ keepend extend
" 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=+/[msixpodualgc]*+ contains=@perlInterpSlash extend
" Substitutions
" perlMatch is the first part, perlSubstitution* is the substitution part
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[msixpodualgcer]*+ keepend contained contains=@perlInterpDQ extend
syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+(+ end=+)[msixpodualgcer]*+ contained contains=@perlInterpDQ,perlParensDQ keepend extend
syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+\[+ end=+\][msixpodualgcer]*+ contained contains=@perlInterpDQ,perlBracketsDQ keepend extend
syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+{+ end=+}[msixpodualgcer]*+ contained contains=@perlInterpDQ,perlBracesDQ keepend extend extend
syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+<+ end=+>[msixpodualgcer]*+ contained contains=@perlInterpDQ,perlAnglesDQ keepend extend
syn region perlSubstitutionSQ matchgroup=perlMatchStartEnd start=+'+ end=+'[msixpodualgcer]*+ contained contains=@perlInterpSQ keepend extend
" Translations
" perlMatch is the first part, perlTranslation* is the second, translator part.
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[cdsr]*+ contained
syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+(+ end=+)[cdsr]*+ contains=perlParensSQ contained
syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+\[+ end=+\][cdsr]*+ contains=perlBracketsSQ contained
syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+{+ end=+}[cdsr]*+ contains=perlBracesSQ contained
syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+<+ end=+>[cdsr]*+ contains=perlAnglesSQ contained
" 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 perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\>\s*\z([^[:space:]#([{<]\)+ end=+\z1+ contains=@perlInterpSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q#+ end=+#+ contains=@perlInterpSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*(+ end=+)+ contains=@perlInterpSQ,perlParensSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*\[+ end=+\]+ contains=@perlInterpSQ,perlBracketsSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!q\s*{+ end=+}+ contains=@perlInterpSQ,perlBracesSQ keepend extend
syn region perlQQ 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 perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*\z([^[:space:]#([{<]\)+ end=+\z1+ contains=@perlInterpSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw#+ end=+#+ contains=@perlInterpSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*(+ end=+)+ contains=@perlInterpSQ,perlParensSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*\[+ end=+\]+ contains=@perlInterpSQ,perlBracketsSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*{+ end=+}+ contains=@perlInterpSQ,perlBracesSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qw\s*<+ end=+>+ contains=@perlInterpSQ,perlAnglesSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\>\s*\z([^[:space:]#([{<'/]\)+ end=+\z1[imosx]*+ contains=@perlInterpMatch keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*/+ end=+/[imosx]*+ contains=@perlInterpSlash keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr#+ end=+#[imosx]*+ contains=@perlInterpMatch keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*'+ end=+'[imosx]*+ contains=@perlInterpSQ keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*(+ end=+)[imosx]*+ contains=@perlInterpMatch,perlParensDQ keepend extend
" A special case for qr{}, qr<> and qr[] which allows for comments and extra whitespace in the pattern
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*{+ end=+}[imosx]*+ contains=@perlInterpMatch,perlBracesDQ,perlComment keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*<+ end=+>[imosx]*+ contains=@perlInterpMatch,perlAnglesDQ,perlComment keepend extend
syn region perlQQ matchgroup=perlStringStartEnd start=+\<\%(::\|'\|->\)\@<!qr\s*\[+ end=+\][imosx]*+ contains=@perlInterpMatch,perlBracketsDQ,perlComment keepend extend
" 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.
if exists("perl_fold")
syn region perlHereDoc matchgroup=perlStringStartEnd start=+<<\z(\I\i*\).*+ end=+^\z1$+ contains=@perlInterpDQ fold extend
syn region perlHereDoc matchgroup=perlStringStartEnd start=+<<\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ end=+^\z1$+ contains=@perlInterpDQ fold extend
syn region perlHereDoc matchgroup=perlStringStartEnd start=+<<\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ end=+^\z1$+ contains=@perlInterpSQ fold extend
syn region perlHereDoc matchgroup=perlStringStartEnd start=+<<\s*""+ end=+^$+ contains=@perlInterpDQ,perlNotEmptyLine fold extend
syn region perlHereDoc matchgroup=perlStringStartEnd start=+<<\s*''+ end=+^$+ contains=@perlInterpSQ,perlNotEmptyLine fold extend
syn region perlAutoload matchgroup=perlStringStartEnd start=+<<\s*\(['"]\=\)\z(END_\%(SUB\|OF_FUNC\|OF_AUTOLOAD\)\)\1+ end=+^\z1$+ contains=ALL fold extend
else
syn region perlHereDoc matchgroup=perlStringStartEnd start=+<<\z(\I\i*\).*+ end=+^\z1$+ contains=@perlInterpDQ
syn region perlHereDoc matchgroup=perlStringStartEnd start=+<<\s*"\z([^\\"]*\%(\\.[^\\"]*\)*\)"+ end=+^\z1$+ contains=@perlInterpDQ
syn region perlHereDoc matchgroup=perlStringStartEnd start=+<<\s*'\z([^\\']*\%(\\.[^\\']*\)*\)'+ end=+^\z1$+ contains=@perlInterpSQ
syn region perlHereDoc matchgroup=perlStringStartEnd start=+<<\s*""+ end=+^$+ contains=@perlInterpDQ,perlNotEmptyLine
syn region perlHereDoc matchgroup=perlStringStartEnd start=+<<\s*''+ end=+^$+ contains=@perlInterpSQ,perlNotEmptyLine
syn region perlAutoload matchgroup=perlStringStartEnd start=+<<\s*\(['"]\=\)\z(END_\%(SUB\|OF_FUNC\|OF_AUTOLOAD\)\)\1+ end=+^\z1$+ contains=ALL
endif
" Class declarations
"
syn match perlPackageDecl "\<package\s\+\%(\h\|::\)\%(\w\|::\)*" contains=perlStatementPackage
syn keyword perlStatementPackage package contained
" Functions
" sub [name] [(prototype)] {
"
syn match perlSubError "[^[:space:];{#]" contained
if v:version == 701 && !has('patch221') " XXX I hope that's the right one
syn match perlSubAttributes ":" contained
else
syn match perlSubAttributesCont "\h\w*\_s*\%(:\_s*\)\=" nextgroup=@perlSubAttrMaybe contained
syn region perlSubAttributesCont matchgroup=perlSubAttributesCont start="\h\w*(" end=")\_s*\%(:\_s*\)\=" nextgroup=@perlSubAttrMaybe contained contains=@perlInterpSQ,perlParensSQ
syn cluster perlSubAttrMaybe contains=perlSubAttributesCont,perlSubError,perlFakeGroup
syn match perlSubAttributes "" contained nextgroup=perlSubError
syn match perlSubAttributes ":\_s*" contained nextgroup=@perlSubAttrMaybe
endif
syn match perlSubPrototypeError "(\%(\_s*\%(\%(\\\%([$@%&*]\|\[[$@%&*]\+\]\)\|[$&*]\|[@%]\%(\_s*)\)\@=\|;\%(\_s*[)$@%&*\\]\)\@=\|_\%(\_s*[);]\)\@=\)\_s*\)*\)\@>\zs\_[^)]\+" contained
syn match perlSubPrototype +(\_[^)]*)\_s*\|+ nextgroup=perlSubAttributes,perlComment contained contains=perlSubPrototypeError
syn match perlSubName +\%(\h\|::\|'\w\)\%(\w\|::\|'\w\)*\_s*\|+ contained nextgroup=perlSubPrototype,perlComment
syn match perlFunction +\<sub\>\_s*+ nextgroup=perlSubName
if !exists("perl_no_scope_in_variables")
syn match perlFunctionPRef "\h\w*::" contained
syn match perlFunctionName "\h\w*[^:]" contained
else
syn match perlFunctionName "\h[[:alnum:]_:]*" contained
endif
" 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 "@$" contained
" __END__ and __DATA__ clauses
if exists("perl_fold")
syntax region perlDATA start="^__DATA__$" skip="." end="." fold
syntax region perlDATA start="^__END__$" skip="." end="." contains=perlPOD,@perlDATA fold
else
syntax region perlDATA start="^__DATA__$" skip="." end="."
syntax region perlDATA start="^__END__$" skip="." end="." contains=perlPOD,@perlDATA
endif
"
" Folding
if exists("perl_fold")
" Note: this bit must come before the actual highlighting of the "package"
" keyword, otherwise this will screw up Pod lines that match /^package/
if !exists("perl_nofold_packages")
syn region perlPackageFold start="^package \S\+;\s*\%(#.*\)\=$" end="^1;\=\s*\%(#.*\)\=$" end="\n\+package"me=s-1 transparent fold keepend
endif
if !exists("perl_nofold_subs")
if exists("perl_fold_anonymous_subs") && perl_fold_anonymous_subs
syn region perlSubFold start="\<sub\>[^\n;]*{" end="}" transparent fold keepend extend
syn region perlSubFold start="\<\%(BEGIN\|END\|CHECK\|INIT\)\>\s*{" end="}" transparent fold keepend
else
syn region perlSubFold start="^\z(\s*\)\<sub\>.*[^};]$" end="^\z1}\s*\%(#.*\)\=$" transparent fold keepend
syn region perlSubFold start="^\z(\s*\)\<\%(BEGIN\|END\|CHECK\|INIT\|UNITCHECK\)\>.*[^};]$" end="^\z1}\s*$" transparent fold keepend
endif
endif
if exists("perl_fold_blocks")
syn region perlBlockFold start="^\z(\s*\)\%(if\|elsif\|unless\|for\|while\|until\|given\)\s*(.*)\%(\s*{\)\=\s*\%(#.*\)\=$" start="^\z(\s*\)foreach\s*\%(\%(my\|our\)\=\s*\S\+\s*\)\=(.*)\%(\s*{\)\=\s*\%(#.*\)\=$" end="^\z1}\s*;\=\%(#.*\)\=$" transparent fold keepend
syn region perlBlockFold start="^\z(\s*\)\%(do\|else\)\%(\s*{\)\=\s*\%(#.*\)\=$" end="^\z1}\s*while" end="^\z1}\s*;\=\%(#.*\)\=$" transparent fold keepend
endif
setlocal foldmethod=syntax
syn sync fromstart
else
" fromstart above seems to set minlines even if perl_fold is not set.
syn sync minlines=0
endif
command -nargs=+ HiLink hi def link <args>
" 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.
HiLink perlSharpBang PreProc
HiLink perlControl PreProc
HiLink perlInclude Include
HiLink perlSpecial Special
HiLink perlString String
HiLink perlCharacter Character
HiLink perlNumber Number
HiLink perlFloat Float
HiLink perlType Type
HiLink perlIdentifier Identifier
HiLink perlLabel Label
HiLink perlStatement Statement
HiLink perlConditional Conditional
HiLink perlRepeat Repeat
HiLink perlOperator Operator
HiLink perlFunction Keyword
HiLink perlSubName Function
HiLink perlSubPrototype Type
HiLink perlSubAttributes PreProc
HiLink perlSubAttributesCont perlSubAttributes
HiLink perlComment Comment
HiLink perlTodo Todo
if exists("perl_string_as_statement")
HiLink perlStringStartEnd perlStatement
else
HiLink perlStringStartEnd perlString
endif
HiLink perlVStringV perlStringStartEnd
HiLink perlList perlStatement
HiLink perlMisc perlStatement
HiLink perlVarPlain perlIdentifier
HiLink perlVarPlain2 perlIdentifier
HiLink perlArrow perlIdentifier
HiLink perlFiledescRead perlIdentifier
HiLink perlFiledescStatement perlIdentifier
HiLink perlVarSimpleMember perlIdentifier
HiLink perlVarSimpleMemberName perlString
HiLink perlVarNotInMatches perlIdentifier
HiLink perlVarSlash perlIdentifier
HiLink perlQQ perlString
HiLink perlHereDoc perlString
HiLink perlStringUnexpanded perlString
HiLink perlSubstitutionSQ perlString
HiLink perlSubstitutionGQQ perlString
HiLink perlTranslationGQ perlString
HiLink perlMatch perlString
HiLink perlMatchStartEnd perlStatement
HiLink perlFormatName perlIdentifier
HiLink perlFormatField perlString
HiLink perlPackageDecl perlType
HiLink perlStorageClass perlType
HiLink perlPackageRef perlType
HiLink perlStatementPackage perlStatement
HiLink perlStatementStorage perlStatement
HiLink perlStatementControl perlStatement
HiLink perlStatementScalar perlStatement
HiLink perlStatementRegexp perlStatement
HiLink perlStatementNumeric perlStatement
HiLink perlStatementList perlStatement
HiLink perlStatementHash perlStatement
HiLink perlStatementIOfunc perlStatement
HiLink perlStatementFiledesc perlStatement
HiLink perlStatementVector perlStatement
HiLink perlStatementFiles perlStatement
HiLink perlStatementFlow perlStatement
HiLink perlStatementInclude perlStatement
HiLink perlStatementProc perlStatement
HiLink perlStatementSocket perlStatement
HiLink perlStatementIPC perlStatement
HiLink perlStatementNetwork perlStatement
HiLink perlStatementPword perlStatement
HiLink perlStatementTime perlStatement
HiLink perlStatementMisc perlStatement
HiLink perlStatementIndirObj perlStatement
HiLink perlFunctionName perlIdentifier
HiLink perlMethod perlIdentifier
HiLink perlFunctionPRef perlType
HiLink perlPOD perlComment
HiLink perlShellCommand perlString
HiLink perlSpecialAscii perlSpecial
HiLink perlSpecialDollar perlSpecial
HiLink perlSpecialString perlSpecial
HiLink perlSpecialStringU perlSpecial
HiLink perlSpecialMatch perlSpecial
HiLink perlDATA perlComment
" 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.
HiLink perlParensSQ perlString
HiLink perlBracketsSQ perlString
HiLink perlBracesSQ perlString
HiLink perlAnglesSQ perlString
HiLink perlParensDQ perlString
HiLink perlBracketsDQ perlString
HiLink perlBracesDQ perlString
HiLink perlAnglesDQ perlString
HiLink perlSpecialStringU2 perlString
" Possible errors
HiLink perlNotEmptyLine Error
HiLink perlElseIfError Error
HiLink perlSubPrototypeError Error
HiLink perlSubError Error
delcommand HiLink
" Syncing to speed up processing
"
if !exists("perl_no_sync_on_sub")
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 !exists("perl_no_sync_on_global_var")
syn sync match perlSync grouphere NONE "^$\I[[:alnum:]_:]+\s*=\s*{"
syn sync match perlSync grouphere NONE "^[@%]\I[[:alnum:]_:]+\s*=\s*("
endif
if exists("perl_sync_dist")
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"
if exists('&regexpengine')
let &regexpengine=s:regexpengine
unlet s:regexpengine
endif
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
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