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Diffstat (limited to 'runtime/syntax/perl.vim')
| -rw-r--r-- | runtime/syntax/perl.vim | 662 |
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diff --git a/runtime/syntax/perl.vim b/runtime/syntax/perl.vim new file mode 100644 index 0000000..73f967a --- /dev/null +++ b/runtime/syntax/perl.vim @@ -0,0 +1,662 @@ +" Vim syntax file +" Language: Perl +" Maintainer: vim-perl <vim-perl@googlegroups.com> +" Homepage: https://github.com/vim-perl/vim-perl +" Bugs/requests: https://github.com/vim-perl/vim-perl/issues +" License: Vim License (see :help license) +" Last Change: 2022 Jun 13 +" Contributors: Andy Lester <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> +" Doug Kearns <dougkearns@gmail.com> +" and many others. +" +" Please download the most recent version first, before mailing +" any comments. +" +" The following parameters are available for tuning the +" perl syntax highlighting, with defaults given: +" +" let perl_include_pod = 1 +" unlet perl_no_scope_in_variables +" unlet perl_no_extended_vars +" unlet perl_string_as_statement +" unlet perl_no_sync_on_sub +" unlet perl_no_sync_on_global_var +" let perl_sync_dist = 100 +" unlet perl_fold +" unlet perl_fold_blocks +" unlet perl_nofold_packages +" unlet perl_nofold_subs +" unlet perl_fold_anonymous_subs +" unlet perl_no_subprototype_error + +if exists("b:current_syntax") + finish +endif + +let s:cpo_save = &cpo +set cpo&vim + +" POD starts with ^=<word> and ends with ^=cut + +if get(g:, 'perl_include_pod', 1) + " Include a while extra syntax file + syn include @Pod syntax/pod.vim + unlet b:current_syntax + if get(g:, 'perl_fold', 1) + syn region perlPOD start="^=[a-z]" end="^=cut" contains=@Pod,@Spell,perlTodo keepend fold extend + syn region perlPOD start="^=cut" end="^=cut" contains=perlTodo keepend fold extend + 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 get(g:, 'perl_fold', 1) + 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\|fc\|uc\%(first\)\=\)\>" +syn match perlStatementRegexp "\<\%(pos\|quotemeta\|split\|study\)\>" +syn match perlStatementNumeric "\<\%(abs\|atan2\|cos\|exp\|hex\|int\|log\|oct\|rand\|sin\|sqrt\|srand\)\>" +syn match perlStatementList "\<\%(splice\|unshift\|shift\|push\|pop\|join\|reverse\|grep\|map\|sort\|unpack\)\>" +syn match perlStatementHash "\<\%(delete\|each\|exists\|keys\|values\)\>" +syn match perlStatementIOfunc "\<\%(syscall\|dbmopen\|dbmclose\)\>" +syn match perlStatementFiledesc "\<\%(binmode\|close\%(dir\)\=\|eof\|fileno\|getc\|lstat\|printf\=\|read\%(dir\|line\|pipe\)\|rewinddir\|say\|select\|stat\|tell\%(dir\)\=\|write\)\>" nextgroup=perlFiledescStatementNocomma skipwhite +syn match perlStatementFiledesc "\<\%(fcntl\|flock\|ioctl\|open\%(dir\)\=\|read\|seek\%(dir\)\=\|sys\%(open\|read\|seek\|write\)\|truncate\)\>" nextgroup=perlFiledescStatementComma skipwhite +syn match perlStatementVector "\<vec\>" +syn match perlStatementFiles "\<\%(ch\%(dir\|mod\|own\|root\)\|glob\|link\|mkdir\|readlink\|rename\|rmdir\|symlink\|umask\|unlink\|utime\)\>" +syn match perlStatementFiles "-[rwxoRWXOezsfdlpSbctugkTBMAC]\>" +syn match perlStatementFlow "\<\%(caller\|die\|dump\|eval\|exit\|wantarray\|evalbytes\)\>" +syn match perlStatementInclude "\<\%(require\|import\|unimport\)\>" +syn match perlStatementInclude "\<\%(use\|no\)\s\+\%(\%(attributes\|attrs\|autodie\%(::\%(exception\%(::system\)\=\|hints\|skip\)\)\=\|autouse\|parent\|base\|big\%(int\|num\|rat\)\|blib\|bytes\|charnames\|constant\|deprecate\|diagnostics\|encoding\%(::warnings\)\=\|experimental\|feature\|fields\|filetest\|if\|integer\|less\|lib\|locale\|mro\|ok\|open\|ops\|overload\|overloading\|re\|sigtrap\|sort\|strict\|subs\|threads\%(::shared\)\=\|utf8\|vars\|version\|vmsish\|warnings\%(::register\)\=\)\>\)\=" +syn match perlStatementProc "\<\%(alarm\|exec\|fork\|get\%(pgrp\|ppid\|priority\)\|kill\|pipe\|set\%(pgrp\|priority\)\|sleep\|system\|times\|wait\%(pid\)\=\)\>" +syn match perlStatementSocket "\<\%(accept\|bind\|connect\|get\%(peername\|sock\%(name\|opt\)\)\|listen\|recv\|send\|setsockopt\|shutdown\|socket\%(pair\)\=\)\>" +syn match perlStatementIPC "\<\%(msg\%(ctl\|get\|rcv\|snd\)\|sem\%(ctl\|get\|op\)\|shm\%(ctl\|get\|read\|write\)\)\>" +syn match perlStatementNetwork "\<\%(\%(end\|[gs]et\)\%(host\|net\|proto\|serv\)ent\|get\%(\%(host\|net\)by\%(addr\|name\)\|protoby\%(name\|number\)\|servby\%(name\|port\)\)\)\>" +syn match perlStatementPword "\<\%(get\%(pw\%(uid\|nam\)\|gr\%(gid\|nam\)\|login\)\)\|\%(end\|[gs]et\)\%(pw\|gr\)ent\>" +syn match perlStatementTime "\<\%(gmtime\|localtime\|time\)\>" + +syn match perlStatementMisc "\<\%(warn\|format\|formline\|reset\|scalar\|prototype\|lock\|tied\=\|untie\)\>" + +syn keyword perlTodo TODO TODO: TBD TBD: FIXME FIXME: XXX XXX: NOTE NOTE: contained + +syn region perlStatementIndirObjWrap matchgroup=perlStatementIndirObj start="\%(\<\%(map\|grep\|sort\|printf\=\|say\|system\|exec\)\>\s*\)\@<={" end="}" transparent extend + +syn match perlLabel "^\s*\h\w*\s*::\@!\%(\<v\d\+\s*:\)\@<!" + +" Perl Identifiers. +" +" Should be cleaned up to better handle identifiers in particular situations +" (in hash keys for example) +" +" Plain identifiers: $foo, @foo, $#foo, %foo, &foo and dereferences $$foo, @$foo, etc. +" We do not process complex things such as @{${"foo"}}. Too complicated, and +" too slow. And what is after the -> is *not* considered as part of the +" variable - there again, too complicated and too slow. + +" Special variables first ($^A, ...) and ($|, $', ...) +syn match perlVarPlain "$^[ACDEFHILMNOPRSTVWX]\=" +syn match perlVarPlain "$[\\\"\[\]'&`+*.,;=%~!?@#$<>(-]" +syn match perlVarPlain "@[-+]" +syn match perlVarPlain "$\%(0\|[1-9]\d*\)" +" Same as above, but avoids confusion in $::foo (equivalent to $main::foo) +syn match perlVarPlain "$::\@!" +" These variables are not recognized within matches. +syn match perlVarNotInMatches "$[|)]" +" This variable is not recognized within matches delimited by m//. +syn match perlVarSlash "$/" + +" And plain identifiers +syn match perlPackageRef "[$@#%*&]\%(\%(::\|'\)\=\I\i*\%(\%(::\|'\)\I\i*\)*\)\=\%(::\|'\)\I"ms=s+1,me=e-1 contained + +" To not highlight packages in variables as a scope reference - i.e. in +" $pack::var, pack:: is a scope, just set "perl_no_scope_in_variables" +" If you don't want complex things like @{${"foo"}} to be processed, +" just set the variable "perl_no_extended_vars"... + +if !get(g:, 'perl_no_scope_in_variables', 0) + syn match perlVarPlain "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref + syn match perlVarPlain2 "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref + syn match perlFunctionName "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" contains=perlPackageRef nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref +else + syn match perlVarPlain "\%([@$]\|\$#\)\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref + syn match perlVarPlain2 "%\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref + syn match perlFunctionName "&\$*\%(\I\i*\)\=\%(\%(::\|'\)\I\i*\)*\%(::\|\i\@<=\)" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref +endif + +syn match perlVarPlain2 "%[-+]" + +if !get(g:, 'perl_no_extended_vars', 0) + syn cluster perlExpr contains=perlStatementIndirObjWrap,perlStatementScalar,perlStatementRegexp,perlStatementNumeric,perlStatementList,perlStatementHash,perlStatementFiles,perlStatementTime,perlStatementMisc,perlVarPlain,perlVarPlain2,perlVarNotInMatches,perlVarSlash,perlVarBlock,perlVarBlock2,perlShellCommand,perlFloat,perlNumber,perlStringUnexpanded,perlString,perlQ,perlQQ,perlQW,perlQR,perlArrow,perlBraces + syn region perlArrow matchgroup=perlArrow start="->\s*(" end=")" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained + syn region perlArrow matchgroup=perlArrow start="->\s*\[" end="\]" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained + syn region perlArrow matchgroup=perlArrow start="->\s*{" end="}" contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained + syn match perlArrow "->\s*{\s*\I\i*\s*}" contains=perlVarSimpleMemberName nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contained + syn region perlVarBlock matchgroup=perlVarPlain start="\%($#\|[$@]\)\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend + syn region perlVarBlock2 matchgroup=perlVarPlain start="[%&*]\$*{" skip="\\}" end=+}\|\%(\%(<<\%('\|"\)\?\)\@=\)+ contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend + syn match perlVarPlain2 "[%&*]\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend + syn match perlVarPlain "\%(\$#\|[@$]\)\$*{\I\i*}" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend + syn region perlVarMember matchgroup=perlVarPlain start="\%(->\)\={" skip="\\}" end="}" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend + syn match perlVarSimpleMember "\%(->\)\={\s*\I\i*\s*}" nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref contains=perlVarSimpleMemberName contained extend + syn match perlVarSimpleMemberName "\I\i*" contained + syn region perlVarMember matchgroup=perlVarPlain start="\%(->\)\=\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarMember,perlVarSimpleMember,perlPostDeref extend + syn match perlPackageConst "__PACKAGE__" nextgroup=perlPostDeref + syn match perlPostDeref "->\%($#\|[$@%&*]\)\*" contained nextgroup=perlVarSimpleMember,perlVarMember,perlPostDeref + syn region perlPostDeref start="->\%($#\|[$@%&*]\)\[" skip="\\]" end="]" contained contains=@perlExpr nextgroup=perlVarSimpleMember,perlVarMember,perlPostDeref + syn region perlPostDeref matchgroup=perlPostDeref start="->\%($#\|[$@%&*]\){" skip="\\}" end="}" keepend extend contained contains=@perlExpr nextgroup=perlVarSimpleMember,perlVarMember,perlPostDeref +endif + +" File Descriptors +syn match perlFiledescRead "<\h\w*>" + +syn match perlFiledescStatementComma "(\=\s*\<\u\w*\>\s*,"me=e-1 transparent contained contains=perlFiledescStatement +syn match perlFiledescStatementNocomma "(\=\s*\<\u\w*\>\s*[^, \t]"me=e-1 transparent contained contains=perlFiledescStatement + +syn match perlFiledescStatement "\<\u\w*\>" contained + +" Special characters in strings and matches +syn match perlSpecialString "\\\%(\o\{1,3}\|x\%({\x\+}\|\x\{1,2}\)\|c.\|[^cx]\)" contained 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 case ignore +syn match perlNumber "\<\%(0\|[1-9]\%(_\=\d\)*\)\>" +syn match perlNumber "\<0\%(x\x\%(_\=\x\)*\|b[01]\%(_\=[01]\)*\|o\=\%(_\=\o\)*\)\>" +syn match perlFloat "\<\d\%(_\=\d\)*e[-+]\=\d\%(_\=\d\)*" +syn match perlFloat "\<\d\%(_\=\d\)*\.\%(\d\%(_\=\d\)*\)\=\%(e[-+]\=\d\%(_\=\d\)*\)\=" +syn match perlFloat "\.\d\%(_\=\d\)*\%(e[-+]\=\d\%(_\=\d\)*\)\=" +syn match perlFloat "\<0x\x\%(_\=\x\)*p[-+]\=\d\%(_\=\d\)*" +syn match perlFloat "\<0x\x\%(_\=\x\)*\.\%(\x\%(_\=\x\)*\)\=\%(p[-+]\=\d\%(_\=\d\)*\)\=" +syn match perlFloat "\<0x\.\x\%(_\=\x\)*\%(p[-+]\=\d\%(_\=\d\)*\)\=" +syn case match + +syn match perlString "\<\%(v\d\+\%(\.\d\+\)*\|\d\+\%(\.\d\+\)\{2,}\)\>" contains=perlVStringV +syn match perlVStringV "\<v" contained + + +syn region perlParensSQ start=+(+ end=+)+ extend contained contains=perlParensSQ,@perlInterpSQ keepend +syn region perlBracketsSQ start=+\[+ end=+\]+ extend contained contains=perlBracketsSQ,@perlInterpSQ keepend +syn region perlBracesSQ start=+{+ end=+}+ extend contained contains=perlBracesSQ,@perlInterpSQ keepend +syn region perlAnglesSQ start=+<+ end=+>+ extend contained contains=perlAnglesSQ,@perlInterpSQ keepend + +syn region perlParensDQ start=+(+ end=+)+ extend contained contains=perlParensDQ,@perlInterpDQ keepend +syn region perlBracketsDQ start=+\[+ end=+\]+ extend contained contains=perlBracketsDQ,@perlInterpDQ keepend +syn region perlBracesDQ start=+{+ end=+}+ extend contained contains=perlBracesDQ,@perlInterpDQ keepend +syn region perlAnglesDQ start=+<+ end=+>+ extend contained contains=perlAnglesDQ,@perlInterpDQ keepend + + +" Simple version of searches and matches +syn match perlMatchModifiers "[msixpadluncgo]\+" contained +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\>\s*\z([^[:space:]'([{<#]\)+ end=+\z1+ contains=@perlInterpMatch keepend extend nextgroup=perlMatchModifiers +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m#+ end=+#+ contains=@perlInterpMatch keepend extend nextgroup=perlMatchModifiers +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*'+ end=+'+ contains=@perlInterpSQ keepend extend nextgroup=perlMatchModifiers +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*/+ end=+/+ contains=@perlInterpSlash keepend extend nextgroup=perlMatchModifiers +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*(+ end=+)+ contains=@perlInterpMatch,perlParensDQ keepend extend nextgroup=perlMatchModifiers +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*{+ end=+}+ contains=@perlInterpMatch,perlBracesDQ extend nextgroup=perlMatchModifiers +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*<+ end=+>+ contains=@perlInterpMatch,perlAnglesDQ keepend extend nextgroup=perlMatchModifiers +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!m\s*\[+ end=+\]+ contains=@perlInterpMatch,perlBracketsDQ keepend extend nextgroup=perlMatchModifiers + +" Below some hacks to recognise the // variant. This is virtually impossible to catch in all +" cases as the / is used in so many other ways, but these should be the most obvious ones. +syn region perlMatch matchgroup=perlMatchStartEnd start="\%([$@%&*]\@<!\%(\<split\|\<while\|\<if\|\<unless\|\.\.\|[-+*!~(\[{=]\)\s*\)\@<=/\%(/=\)\@!" start=+^/\%(/=\)\@!+ start=+\s\@<=/\%(/=\)\@![^[:space:][:digit:]$@%=]\@=\%(/\_s*\%([([{$@%&*[:digit:]"'`]\|\_s\w\|[[:upper:]_abd-fhjklnqrt-wyz]\)\)\@!+ skip=+\\/+ end=+/+ contains=@perlInterpSlash extend nextgroup=perlMatchModifiers + + +" Substitutions +" perlMatch is the first part, perlSubstitution* is the substitution part +syn match perlSubstitutionModifiers "[msixpadluncgero]\+" contained +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\>\s*\z([^[:space:]'([{<#]\)+ end=+\z1+me=e-1 contains=@perlInterpMatch nextgroup=perlSubstitutionGQQ keepend extend +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*'+ end=+'+me=e-1 contains=@perlInterpSQ nextgroup=perlSubstitutionSQ keepend extend +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*/+ end=+/+me=e-1 contains=@perlInterpSlash nextgroup=perlSubstitutionGQQ keepend extend +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s#+ end=+#+me=e-1 contains=@perlInterpMatch nextgroup=perlSubstitutionGQQ keepend extend +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*(+ end=+)+ contains=@perlInterpMatch,perlParensDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*<+ end=+>+ contains=@perlInterpMatch,perlAnglesDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*\[+ end=+\]+ contains=@perlInterpMatch,perlBracketsDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!s\s*{+ end=+}+ contains=@perlInterpMatch,perlBracesDQ nextgroup=perlSubstitutionGQQ skipwhite skipempty skipnl keepend extend +syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+\z([^[:space:]'([{<]\)+ end=+\z1+ keepend contained contains=@perlInterpDQ extend nextgroup=perlSubstitutionModifiers +syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+(+ end=+)+ contained contains=@perlInterpDQ,perlParensDQ keepend extend nextgroup=perlSubstitutionModifiers +syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+\[+ end=+\]+ contained contains=@perlInterpDQ,perlBracketsDQ keepend extend nextgroup=perlSubstitutionModifiers +syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+{+ end=+}+ contained contains=@perlInterpDQ,perlBracesDQ keepend extend extend nextgroup=perlSubstitutionModifiers +syn region perlSubstitutionGQQ matchgroup=perlMatchStartEnd start=+<+ end=+>+ contained contains=@perlInterpDQ,perlAnglesDQ keepend extend nextgroup=perlSubstitutionModifiers +syn region perlSubstitutionSQ matchgroup=perlMatchStartEnd start=+'+ end=+'+ contained contains=@perlInterpSQ keepend extend nextgroup=perlSubstitutionModifiers + +" Translations +" perlMatch is the first part, perlTranslation* is the second, translator part. +syn match perlTranslationModifiers "[cdsr]\+" contained +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\>\s*\z([^[:space:]([{<#]\)+ end=+\z1+me=e-1 contains=@perlInterpSQ nextgroup=perlTranslationGQ +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)#+ end=+#+me=e-1 contains=@perlInterpSQ nextgroup=perlTranslationGQ +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*\[+ end=+\]+ contains=@perlInterpSQ,perlBracketsSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*(+ end=+)+ contains=@perlInterpSQ,perlParensSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*<+ end=+>+ contains=@perlInterpSQ,perlAnglesSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl +syn region perlMatch matchgroup=perlMatchStartEnd start=+\<\%(::\|'\|->\)\@<!\%(tr\|y\)\s*{+ end=+}+ contains=@perlInterpSQ,perlBracesSQ nextgroup=perlTranslationGQ skipwhite skipempty skipnl +syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+\z([^[:space:]([{<]\)+ end=+\z1+ contained nextgroup=perlTranslationModifiers +syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+(+ end=+)+ contains=perlParensSQ contained nextgroup=perlTranslationModifiers +syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+\[+ end=+\]+ contains=perlBracketsSQ contained nextgroup=perlTranslationModifiers +syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+{+ end=+}+ contains=perlBracesSQ contained nextgroup=perlTranslationModifiers +syn region perlTranslationGQ matchgroup=perlMatchStartEnd start=+<+ end=+>+ contains=perlAnglesSQ contained nextgroup=perlTranslationModifiers + + +" Strings and q, qq, qw and qr expressions + +syn region perlStringUnexpanded matchgroup=perlStringStartEnd start="'" end="'" contains=@perlInterpSQ keepend extend +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 |