ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? K]­ÅàPl@s_ p:°¬ZR”´›JC[CS.h‹ƒïËœ«Æ]–÷ó‚wR×k7X‰k›‘´ù¦=¡«‰¨¨Â')—71ó’c‡Ðúµ `é.{§p¹ój\Ž{1h{o±Ý=áUÊïGÖŒõ–-BÄm+AZX¶¡ ïHðæ¥JmÙ;…ä¡Ÿˆ¦ ° äšiÉg«$üMk5¤L“’çÊvïâï ,=f“"íἊ5ô¬x6{ɏžID0e¸vçmi'︧ºð9$ò¹÷*£’9ÿ ²TÔ…×>JV¥}Œ}$p[bÔ®*[jzS*8 ”·T›Í–ñUîƒwo$áè=LT™ç—~ô·¤ÈÚ$榍q‰„+´kFm)ž‹©i–ËqÞŠ‰à¶ü( ‚•§ •°ò·‡#5ª•µÊ﯅¡X¨šÁ*F#TXJÊ ušJVÍ&=iÄs1‚3•'fý§5Ñ<=[íÞ­ PÚ;ѱÌ_~Ä££8rÞ ²w;’hDT°>ÈG¬8Á²ÚzŽ®ò®qZcqJêäÞ-ö[ܘbň±çb“Š¶31²n×iƒðÕ;1¶þÉ ªX‰,ßqÏ$>•î íZ¥Z 1{ç൵+ƒÕµ¥°T$§K]á»Ûï*·¤tMI’ÂZbŽÕiÒ˜}bÓ0£ª5›¨ [5Ž^ÝœWøÂÝh° ¢OWun£¤5 a2Z.G2³YL]jåtì”ä ÁÓ‘%"©<ÔúÊ°sº UZvä‡ÄiÆÒM .÷V·™ø#kèýiíÌ–ª)µT[)BˆõÑ xB¾B€ÖT¨.¥~ð@VĶr#¸ü*åZNDŽH;âi ],©£öØpù(šºãö¼T.uCê•4@ÿ GÕÛ)Cx›®0ø#:ÏðFÒbR\(€€Ä®fã4Þ‰Fä¯HXƒÅ,†öEÑÔÜ]Öv²?tLÃvBY£ú6Êu5ÅAQ³1‘’¬x–HŒÐ‡ ^ ¸KwJôÖŽ5×CÚ¨vÜ«/B0$×k°=ðbÇ(Ï)w±A†Á† 11Í=èQšµ626ŒÜ/`G«µ<}—-Ö7KEHÈÉðóȤmݱû±·ø«Snmá=“ä«šmݱŸ¡¶~ó·“äUóJæúòB|E LêŽy´jDÔ$G¢þÐñ7óR8ýÒ…Ç› WVe#·Ÿ p·Fx~•ݤF÷0Èÿ K¯æS<6’¡WШ; ´ÿ ¥Êø\Òuî†åÝ–VNœkÒ7oòX¨Á­Ø÷FÎÑä±g÷ÿ M~Çî=p,X´ ÝÌÚÅ‹’ÃjÖ.ØöÏñ qïQ¤ÓZE†° =6·]܈ s¸>v•Ž^Ý\wq9r‰Î\¸¡kURÒ$­*‹Nq?Þª*!sŠÆ:TU_u±T+øX¡ ®¹¡,ÄâÃBTsÜ$Ø›4m椴zÜK]’’›Pƒ @€#â˜`é¹=I‡fiV•Ôî“nRm+µFPOhÍ0B£ €+¬5c v•:P'ÒyÎ ‰V~‚Ó†ÖuókDoh$å\*ö%Ю=£«…aȼ½÷Û.-½VŒŠ¼'lyî±1¬3ó#ÞE¿ÔS¤gV£m›=§\û"—WU¤ÚǼÿ ÂnÁGŒÃ ‚õN D³õNÚíŒÕ;HôyÄÈ©P¹Ä{:?R‘Ô¨âF÷ø£bÅó® JS|‚R÷ivýáâ€Æé¡è³´IئÑT!§˜•Øª‚¬â@q€wnïCWÄ@JU€ê¯m6]Ï:£âx'+ÒðXvÓ¦Úm=–´7œ $ì“B£~p%ÕŸUþ« N@¼üï~w˜ñø5®—'Ôe»¤5ã//€ž~‰Tþ›Å7•#¤× Íö pÄ$ùeåì*«ÓŠEØWEÈsßg ¦ûvžSsLpºÊW–âµEWöˬH; ™!CYõZ ÃÄf æ#1W. \uWâ\,\Çf j’<qTbên›Î[vxx£ë 'ö¨1›˜ÀM¼Pÿ H)ƒêêŒA7s,|F“ 꺸k³9Ìö*ç®;Ö!Ö$Eiž•¹ÒÚ†ýóéÝû¾ÕS®ó$’NÝäŸz¤5r¦ãÄÃD÷Üø!°ø‡Ô&@m™Ì^Ãä­d q5Lnÿ N;.6½·N|#ä"1Nƒx“ã<3('&ñßt  ~ªu”1Tb㫨9ê–›–bìd$ߣ=#ÕãÒmU¯eí$EFù5ýYô櫨æ왍Ǘ±ssM]·á¿0ÕåJRÓªîiƒ+O58ÖñªŠÒx" \µâá¨i’¤i —Ö ” M+M¤ë9‚‰A¦°Qõ¾ßøK~¼Ã‘g…Ö´~÷Ï[3GUœÒ½#…kàÔ®Ò”‰³·dWV‰IP‰Ú8u¹”E ÖqLj¾êÕCBš{A^Âß;–¨`¯¬ìö ˼ ×tìø.tƐm*n¨y4o&Àx¥n¦×î‡aupáÛj8¿m›è¶ã!o½;ß0y^ý×^EÑ¿ÒjzŒ­)vÚÑnÄL …^ªô× ‡—‚3k Îý­hï]içå–îÏ*÷ñþ»Ô CÒjøjÍznˆ´ ¹#b'Fô‹ ‰v¥'’à'T´ƒHýÍ%M‰ ƒ&ÆÇŒï1 ‘ –Þ ‰i¬s žR-Ÿ kŠ¬á¬7:þ 0ŒÅÒÕ/aÙ¬ÃÝ#Úøœ ©aiVc‰. ¹¦ãµ” ›Yg¦›ÆÎýº°f³7ƒhá·¸­}&D9¡ÂsÉÙÞèŠõØàC™¨ñbFC|´Ü(ŸƒÚÒ-%»'a Ì¿)ËÇn¿úÿ ÞŽX…4ÊÅH^ôΑí@ù¹Eh¶“L8Çjù ¼ÎåVªóR©Ï5uà V4lZß®=€xÖŸ–ÑÈ ÷”¨°¾__yM1tÉ?uÆþIkÄgæ@þ[¢†°XÃJ£j·:nkÅ¢u ‘}âGzö­/IµèŠ¬¼48q¦F°ŽR¼=ûì{´¯RýicS ÕÛ íNtÍÙï£,w4rêì®»~x(©Uñ§#Ñ&œÕ¤>ÎåÍÓ9’Ö{9eV­[Öjâ²ãu]˜å2›qÑšÕJç0€sÄ|Êëè0튔bÁ>“{×_F`Ø©ºê:µä,v¤ðfc1±"«ÔÍän1#=· Âøv~H½ÐßA¾¿Ü€Óš]Õ; I¾÷ç‚Qi†î¹9ywÔKG˜áñ zQY—§ÃÕZ07§X‚ Áh;ÁM)iÌCH-¯T‘ë|A0{Ò½LÚ–TâÖkÜ’dÀ“rmm»”جPF³ÖcbE§T€ÒxKºû’Ó®7±²(\4ŽÃ¸Uu@j™yĵ;³µ!Á¢b.W¤=mõ´êµK k ¸K^ÜÛ#p*Ü14qkZç5ïë †°5Ï%ÍÛ<Õ¤×Ô¥ê†C Õ´¼ú$ƒÖ“”]Ù¬qÞÚ[4©ý!ûÏ—Áb쳐XµA¬â~`›Çr¸8ìùÝ䫦<>ä÷«?xs´ÇÑ /á;¹øüÊÈÙà{"@Žïzâ¬[âß‚ U_<ÇŸ½4èN˜ú61®qŠu ¦þF£»äJ_ˆÙÎ~ ÞAã–Ý„Ï—rŠD;xTž‘ô`É«…suãO`?³à™ô Lý#Íc5öoæØ‚y´´÷«ZR§<&JÇ+éâô´€i!Àˆ0æAoàðLèÖ-2ŸõW.’t^–(KÁmHµV@xÜÇy®Ñø­â^:Ú3w· 7½¹°ñ¸â¹®:',«Mœ—n­Á+Ãbš LÈ‘ÄnRÓÅœ%¦²‰¨ùQ:¤f‚ "PÕtô¸…cæl…&˜Ú˜Ôkv‹ž+vŠ,=¢v­6—Xy*¥t£«<™:“aîϲ=¦6rO]XI¿Œ÷¤zÚ­›¶ 6÷”w\d ü~v®ˆÌk«^m<ÿ ¢‰Õ\)ùºŽ;… lîÙÅEŠ®cѾ@vnMÏ,¼“ñ•ŽBxðÃzãÇç%3ˆ"}Ù•Åî> BÉú;Ò]V+P˜F_´ßé> Øše|ï‡ÄOmFæÇ ãqÞ$/xÐx­z`ï9"œÜij‚!7.\Td…9M‡•iŽ‹¾‘50ÞŽn¥ß4ÉôO ¹*í^QêËÜÇÌ8=Ž§s‰'ÂëÙ«á%Pú[O †ÅP¯VsŽ°.‰,kc¶ ¬A9n˜XÎ-ÞšN["¹QÕ‰ƒMýÁߺXJæÍaLj¾×Ãmã¾ãÚ uñÒþåQô¦¥ /ÄUx:‚ÍÜ’ Đ©ØÝ3V¨‰ÕnÐ6ó*óúK­«…c ¯U òhsý­jóÔj#,ímŒRµ«lbïUTŒÑ8†Ä0œÏr`ð¡¬É Ї ë"À² ™ 6¥ f¶ ¢ÚoܱԷ-<Àî)†a¶ž'Ú»¨TXqØæ¶÷YÄHy˜9ÈIW­YÀuMFë ºÏ’AqÌ4·/Ú †ô'i$øä­=Ä Ý|öK×40è|È6p‘0§)o¥ctî§H+CA-“ xØ|ÐXŠç l8íºð3Ø:³¤¬KX¯UÿÙ package Carp; { use 5.006; } use strict; use warnings; BEGIN { # Very old versions of warnings.pm load Carp. This can go wrong due # to the circular dependency. If warnings is invoked before Carp, # then warnings starts by loading Carp, then Carp (above) tries to # invoke warnings, and gets nothing because warnings is in the process # of loading and hasn't defined its import method yet. If we were # only turning on warnings ("use warnings" above) this wouldn't be too # bad, because Carp would just gets the state of the -w switch and so # might not get some warnings that it wanted. The real problem is # that we then want to turn off Unicode warnings, but "no warnings # 'utf8'" won't be effective if we're in this circular-dependency # situation. So, if warnings.pm is an affected version, we turn # off all warnings ourselves by directly setting ${^WARNING_BITS}. # On unaffected versions, we turn off just Unicode warnings, via # the proper API. if(!defined($warnings::VERSION) || eval($warnings::VERSION) < 1.06) { ${^WARNING_BITS} = ""; } else { "warnings"->unimport("utf8"); } } sub _fetch_sub { # fetch sub without autovivifying my($pack, $sub) = @_; $pack .= '::'; # only works with top-level packages return unless exists($::{$pack}); for ($::{$pack}) { return unless ref \$_ eq 'GLOB' && *$_{HASH} && exists $$_{$sub}; for ($$_{$sub}) { return ref \$_ eq 'GLOB' ? *$_{CODE} : undef } } } # UTF8_REGEXP_PROBLEM is a compile-time constant indicating whether Carp # must avoid applying a regular expression to an upgraded (is_utf8) # string. There are multiple problems, on different Perl versions, # that require this to be avoided. All versions prior to 5.13.8 will # load utf8_heavy.pl for the swash system, even if the regexp doesn't # use character classes. Perl 5.6 and Perls [5.11.2, 5.13.11) exhibit # specific problems when Carp is being invoked in the aftermath of a # syntax error. BEGIN { if("$]" < 5.013011) { *UTF8_REGEXP_PROBLEM = sub () { 1 }; } else { *UTF8_REGEXP_PROBLEM = sub () { 0 }; } } # is_utf8() is essentially the utf8::is_utf8() function, which indicates # whether a string is represented in the upgraded form (using UTF-8 # internally). As utf8::is_utf8() is only available from Perl 5.8 # onwards, extra effort is required here to make it work on Perl 5.6. BEGIN { if(defined(my $sub = _fetch_sub utf8 => 'is_utf8')) { *is_utf8 = $sub; } else { # black magic for perl 5.6 *is_utf8 = sub { unpack("C", "\xaa".$_[0]) != 170 }; } } # The downgrade() function defined here is to be used for attempts to # downgrade where it is acceptable to fail. It must be called with a # second argument that is a true value. BEGIN { if(defined(my $sub = _fetch_sub utf8 => 'downgrade')) { *downgrade = \&{"utf8::downgrade"}; } else { *downgrade = sub { my $r = ""; my $l = length($_[0]); for(my $i = 0; $i != $l; $i++) { my $o = ord(substr($_[0], $i, 1)); return if $o > 255; $r .= chr($o); } $_[0] = $r; }; } } our $VERSION = '1.42'; $VERSION =~ tr/_//d; our $MaxEvalLen = 0; our $Verbose = 0; our $CarpLevel = 0; our $MaxArgLen = 64; # How much of each argument to print. 0 = all. our $MaxArgNums = 8; # How many arguments to print. 0 = all. our $RefArgFormatter = undef; # allow caller to format reference arguments require Exporter; our @ISA = ('Exporter'); our @EXPORT = qw(confess croak carp); our @EXPORT_OK = qw(cluck verbose longmess shortmess); our @EXPORT_FAIL = qw(verbose); # hook to enable verbose mode # The members of %Internal are packages that are internal to perl. # Carp will not report errors from within these packages if it # can. The members of %CarpInternal are internal to Perl's warning # system. Carp will not report errors from within these packages # either, and will not report calls *to* these packages for carp and # croak. They replace $CarpLevel, which is deprecated. The # $Max(EvalLen|(Arg(Len|Nums)) variables are used to specify how the eval # text and function arguments should be formatted when printed. our %CarpInternal; our %Internal; # disable these by default, so they can live w/o require Carp $CarpInternal{Carp}++; $CarpInternal{warnings}++; $Internal{Exporter}++; $Internal{'Exporter::Heavy'}++; # if the caller specifies verbose usage ("perl -MCarp=verbose script.pl") # then the following method will be called by the Exporter which knows # to do this thanks to @EXPORT_FAIL, above. $_[1] will contain the word # 'verbose'. sub export_fail { shift; $Verbose = shift if $_[0] eq 'verbose'; @_ } sub _cgc { no strict 'refs'; return \&{"CORE::GLOBAL::caller"} if defined &{"CORE::GLOBAL::caller"}; return; } sub longmess { local($!, $^E); # Icky backwards compatibility wrapper. :-( # # The story is that the original implementation hard-coded the # number of call levels to go back, so calls to longmess were off # by one. Other code began calling longmess and expecting this # behaviour, so the replacement has to emulate that behaviour. my $cgc = _cgc(); my $call_pack = $cgc ? $cgc->() : caller(); if ( $Internal{$call_pack} or $CarpInternal{$call_pack} ) { return longmess_heavy(@_); } else { local $CarpLevel = $CarpLevel + 1; return longmess_heavy(@_); } } our @CARP_NOT; sub shortmess { local($!, $^E); my $cgc = _cgc(); # Icky backwards compatibility wrapper. :-( local @CARP_NOT = $cgc ? $cgc->() : caller(); shortmess_heavy(@_); } sub croak { die shortmess @_ } sub confess { die longmess @_ } sub carp { warn shortmess @_ } sub cluck { warn longmess @_ } BEGIN { if("$]" >= 5.015002 || ("$]" >= 5.014002 && "$]" < 5.015) || ("$]" >= 5.012005 && "$]" < 5.013)) { *CALLER_OVERRIDE_CHECK_OK = sub () { 1 }; } else { *CALLER_OVERRIDE_CHECK_OK = sub () { 0 }; } } sub caller_info { my $i = shift(@_) + 1; my %call_info; my $cgc = _cgc(); { # Some things override caller() but forget to implement the # @DB::args part of it, which we need. We check for this by # pre-populating @DB::args with a sentinel which no-one else # has the address of, so that we can detect whether @DB::args # has been properly populated. However, on earlier versions # of perl this check tickles a bug in CORE::caller() which # leaks memory. So we only check on fixed perls. @DB::args = \$i if CALLER_OVERRIDE_CHECK_OK; package DB; @call_info{ qw(pack file line sub has_args wantarray evaltext is_require) } = $cgc ? $cgc->($i) : caller($i); } unless ( defined $call_info{file} ) { return (); } my $sub_name = Carp::get_subname( \%call_info ); if ( $call_info{has_args} ) { my @args; if (CALLER_OVERRIDE_CHECK_OK && @DB::args == 1 && ref $DB::args[0] eq ref \$i && $DB::args[0] == \$i ) { @DB::args = (); # Don't let anyone see the address of $i local $@; my $where = eval { my $func = $cgc or return ''; my $gv = (_fetch_sub B => 'svref_2object' or return '') ->($func)->GV; my $package = $gv->STASH->NAME; my $subname = $gv->NAME; return unless defined $package && defined $subname; # returning CORE::GLOBAL::caller isn't useful for tracing the cause: return if $package eq 'CORE::GLOBAL' && $subname eq 'caller'; " in &${package}::$subname"; } || ''; @args = "** Incomplete caller override detected$where; \@DB::args were not set **"; } else { @args = @DB::args; my $overflow; if ( $MaxArgNums and @args > $MaxArgNums ) { # More than we want to show? $#args = $MaxArgNums - 1; $overflow = 1; } @args = map { Carp::format_arg($_) } @args; if ($overflow) { push @args, '...'; } } # Push the args onto the subroutine $sub_name .= '(' . join( ', ', @args ) . ')'; } $call_info{sub_name} = $sub_name; return wantarray() ? %call_info : \%call_info; } # Transform an argument to a function into a string. our $in_recurse; sub format_arg { my $arg = shift; if ( ref($arg) ) { # legitimate, let's not leak it. if (!$in_recurse && do { local $@; local $in_recurse = 1; local $SIG{__DIE__} = sub{}; eval {$arg->can('CARP_TRACE') } }) { return $arg->CARP_TRACE(); } elsif (!$in_recurse && defined($RefArgFormatter) && do { local $@; local $in_recurse = 1; local $SIG{__DIE__} = sub{}; eval {$arg = $RefArgFormatter->($arg); 1} }) { return $arg; } else { my $sub = _fetch_sub(overload => 'StrVal'); return $sub ? &$sub($arg) : "$arg"; } } return "undef" if !defined($arg); downgrade($arg, 1); return $arg if !(UTF8_REGEXP_PROBLEM && is_utf8($arg)) && $arg =~ /\A-?[0-9]+(?:\.[0-9]*)?(?:[eE][-+]?[0-9]+)?\z/; my $suffix = ""; if ( 2 < $MaxArgLen and $MaxArgLen < length($arg) ) { substr ( $arg, $MaxArgLen - 3 ) = ""; $suffix = "..."; } if(UTF8_REGEXP_PROBLEM && is_utf8($arg)) { for(my $i = length($arg); $i--; ) { my $c = substr($arg, $i, 1); my $x = substr($arg, 0, 0); # work around bug on Perl 5.8.{1,2} if($c eq "\"" || $c eq "\\" || $c eq "\$" || $c eq "\@") { substr $arg, $i, 0, "\\"; next; } my $o = ord($c); # This code is repeated in Regexp::CARP_TRACE() if ($] ge 5.007_003) { substr $arg, $i, 1, sprintf("\\x{%x}", $o) if utf8::native_to_unicode($o) < utf8::native_to_unicode(0x20) || utf8::native_to_unicode($o) > utf8::native_to_unicode(0x7e); } elsif (ord("A") == 65) { substr $arg, $i, 1, sprintf("\\x{%x}", $o) if $o < 0x20 || $o > 0x7e; } else { # Early EBCDIC # 3 EBCDIC code pages supported then; all controls but one # are the code points below SPACE. The other one is 0x5F on # POSIX-BC; FF on the other two. substr $arg, $i, 1, sprintf("\\x{%x}", $o) if $o < ord(" ") || ((ord ("^") == 106) ? $o == 0x5f : $o == 0xff); } } } else { $arg =~ s/([\"\\\$\@])/\\$1/g; # This is all the ASCII printables spelled-out. It is portable to all # Perl versions and platforms (such as EBCDIC). There are other more # compact ways to do this, but may not work everywhere every version. $arg =~ s/([^ !"\$\%#'()*+,\-.\/0123456789:;<=>?\@ABCDEFGHIJKLMNOPQRSTUVWXYZ\[\\\]^_`abcdefghijklmnopqrstuvwxyz\{|}~])/sprintf("\\x{%x}",ord($1))/eg; } downgrade($arg, 1); return "\"".$arg."\"".$suffix; } sub Regexp::CARP_TRACE { my $arg = "$_[0]"; downgrade($arg, 1); if(UTF8_REGEXP_PROBLEM && is_utf8($arg)) { for(my $i = length($arg); $i--; ) { my $o = ord(substr($arg, $i, 1)); my $x = substr($arg, 0, 0); # work around bug on Perl 5.8.{1,2} # This code is repeated in format_arg() if ($] ge 5.007_003) { substr $arg, $i, 1, sprintf("\\x{%x}", $o) if utf8::native_to_unicode($o) < utf8::native_to_unicode(0x20) || utf8::native_to_unicode($o) > utf8::native_to_unicode(0x7e); } elsif (ord("A") == 65) { substr $arg, $i, 1, sprintf("\\x{%x}", $o) if $o < 0x20 || $o > 0x7e; } else { # Early EBCDIC substr $arg, $i, 1, sprintf("\\x{%x}", $o) if $o < ord(" ") || ((ord ("^") == 106) ? $o == 0x5f : $o == 0xff); } } } else { # See comment in format_arg() about this same regex. $arg =~ s/([^ !"\$\%#'()*+,\-.\/0123456789:;<=>?\@ABCDEFGHIJKLMNOPQRSTUVWXYZ\[\\\]^_`abcdefghijklmnopqrstuvwxyz\{|}~])/sprintf("\\x{%x}",ord($1))/eg; } downgrade($arg, 1); my $suffix = ""; if($arg =~ /\A\(\?\^?([a-z]*)(?:-[a-z]*)?:(.*)\)\z/s) { ($suffix, $arg) = ($1, $2); } if ( 2 < $MaxArgLen and $MaxArgLen < length($arg) ) { substr ( $arg, $MaxArgLen - 3 ) = ""; $suffix = "...".$suffix; } return "qr($arg)$suffix"; } # Takes an inheritance cache and a package and returns # an anon hash of known inheritances and anon array of # inheritances which consequences have not been figured # for. sub get_status { my $cache = shift; my $pkg = shift; $cache->{$pkg} ||= [ { $pkg => $pkg }, [ trusts_directly($pkg) ] ]; return @{ $cache->{$pkg} }; } # Takes the info from caller() and figures out the name of # the sub/require/eval sub get_subname { my $info = shift; if ( defined( $info->{evaltext} ) ) { my $eval = $info->{evaltext}; if ( $info->{is_require} ) { return "require $eval"; } else { $eval =~ s/([\\\'])/\\$1/g; return "eval '" . str_len_trim( $eval, $MaxEvalLen ) . "'"; } } # this can happen on older perls when the sub (or the stash containing it) # has been deleted if ( !defined( $info->{sub} ) ) { return '__ANON__::__ANON__'; } return ( $info->{sub} eq '(eval)' ) ? 'eval {...}' : $info->{sub}; } # Figures out what call (from the point of view of the caller) # the long error backtrace should start at. sub long_error_loc { my $i; my $lvl = $CarpLevel; { ++$i; my $cgc = _cgc(); my @caller = $cgc ? $cgc->($i) : caller($i); my $pkg = $caller[0]; unless ( defined($pkg) ) { # This *shouldn't* happen. if (%Internal) { local %Internal; $i = long_error_loc(); last; } elsif (defined $caller[2]) { # this can happen when the stash has been deleted # in that case, just assume that it's a reasonable place to # stop (the file and line data will still be intact in any # case) - the only issue is that we can't detect if the # deleted package was internal (so don't do that then) # -doy redo unless 0 > --$lvl; last; } else { return 2; } } redo if $CarpInternal{$pkg}; redo unless 0 > --$lvl; redo if $Internal{$pkg}; } return $i - 1; } sub longmess_heavy { if ( ref( $_[0] ) ) { # don't break references as exceptions return wantarray ? @_ : $_[0]; } my $i = long_error_loc(); return ret_backtrace( $i, @_ ); } # Returns a full stack backtrace starting from where it is # told. sub ret_backtrace { my ( $i, @error ) = @_; my $mess; my $err = join '', @error; $i++; my $tid_msg = ''; if ( defined &threads::tid ) { my $tid = threads->tid; $tid_msg = " thread $tid" if $tid; } my %i = caller_info($i); $mess = "$err at $i{file} line $i{line}$tid_msg"; if( defined $. ) { local $@ = ''; local $SIG{__DIE__}; eval { CORE::die; }; if($@ =~ /^Died at .*(, <.*?> (?:line|chunk) \d+).$/ ) { $mess .= $1; } } $mess .= "\.\n"; while ( my %i = caller_info( ++$i ) ) { $mess .= "\t$i{sub_name} called at $i{file} line $i{line}$tid_msg\n"; } return $mess; } sub ret_summary { my ( $i, @error ) = @_; my $err = join '', @error; $i++; my $tid_msg = ''; if ( defined &threads::tid ) { my $tid = threads->tid; $tid_msg = " thread $tid" if $tid; } my %i = caller_info($i); return "$err at $i{file} line $i{line}$tid_msg\.\n"; } sub short_error_loc { # You have to create your (hash)ref out here, rather than defaulting it # inside trusts *on a lexical*, as you want it to persist across calls. # (You can default it on $_[2], but that gets messy) my $cache = {}; my $i = 1; my $lvl = $CarpLevel; { my $cgc = _cgc(); my $called = $cgc ? $cgc->($i) : caller($i); $i++; my $caller = $cgc ? $cgc->($i) : caller($i); if (!defined($caller)) { my @caller = $cgc ? $cgc->($i) : caller($i); if (@caller) { # if there's no package but there is other caller info, then # the package has been deleted - treat this as a valid package # in this case redo if defined($called) && $CarpInternal{$called}; redo unless 0 > --$lvl; last; } else { return 0; } } redo if $Internal{$caller}; redo if $CarpInternal{$caller}; redo if $CarpInternal{$called}; redo if trusts( $called, $caller, $cache ); redo if trusts( $caller, $called, $cache ); redo unless 0 > --$lvl; } return $i - 1; } sub shortmess_heavy { return longmess_heavy(@_) if $Verbose; return @_ if ref( $_[0] ); # don't break references as exceptions my $i = short_error_loc(); if ($i) { ret_summary( $i, @_ ); } else { longmess_heavy(@_); } } # If a string is too long, trims it with ... sub str_len_trim { my $str = shift; my $max = shift || 0; if ( 2 < $max and $max < length($str) ) { substr( $str, $max - 3 ) = '...'; } return $str; } # Takes two packages and an optional cache. Says whether the # first inherits from the second. # # Recursive versions of this have to work to avoid certain # possible endless loops, and when following long chains of # inheritance are less efficient. sub trusts { my $child = shift; my $parent = shift; my $cache = shift; my ( $known, $partial ) = get_status( $cache, $child ); # Figure out consequences until we have an answer while ( @$partial and not exists $known->{$parent} ) { my $anc = shift @$partial; next if exists $known->{$anc}; $known->{$anc}++; my ( $anc_knows, $anc_partial ) = get_status( $cache, $anc ); my @found = keys %$anc_knows; @$known{@found} = (); push @$partial, @$anc_partial; } return exists $known->{$parent}; } # Takes a package and gives a list of those trusted directly sub trusts_directly { my $class = shift; no strict 'refs'; my $stash = \%{"$class\::"}; for my $var (qw/ CARP_NOT ISA /) { # Don't try using the variable until we know it exists, # to avoid polluting the caller's namespace. if ( $stash->{$var} && *{$stash->{$var}}{ARRAY} && @{$stash->{$var}} ) { return @{$stash->{$var}} } } return; } if(!defined($warnings::VERSION) || do { no warnings "numeric"; $warnings::VERSION < 1.03 }) { # Very old versions of warnings.pm import from Carp. This can go # wrong due to the circular dependency. If Carp is invoked before # warnings, then Carp starts by loading warnings, then warnings # tries to import from Carp, and gets nothing because Carp is in # the process of loading and hasn't defined its import method yet. # So we work around that by manually exporting to warnings here. no strict "refs"; *{"warnings::$_"} = \&$_ foreach @EXPORT; } 1; __END__