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Edit File: perl.js
// CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE // CodeMirror2 mode/perl/perl.js (text/x-perl) beta 0.10 (2011-11-08) // This is a part of CodeMirror from https://github.com/sabaca/CodeMirror_mode_perl (mail@sabaca.com) (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; CodeMirror.defineMode("perl",function(){ // http://perldoc.perl.org var PERL={ // null - magic touch // 1 - keyword // 2 - def // 3 - atom // 4 - operator // 5 - variable-2 (predefined) // [x,y] - x=1,2,3; y=must be defined if x{...} // PERL operators '->' : 4, '++' : 4, '--' : 4, '**' : 4, // ! ~ \ and unary + and - '=~' : 4, '!~' : 4, '*' : 4, '/' : 4, '%' : 4, 'x' : 4, '+' : 4, '-' : 4, '.' : 4, '<<' : 4, '>>' : 4, // named unary operators '<' : 4, '>' : 4, '<=' : 4, '>=' : 4, 'lt' : 4, 'gt' : 4, 'le' : 4, 'ge' : 4, '==' : 4, '!=' : 4, '<=>' : 4, 'eq' : 4, 'ne' : 4, 'cmp' : 4, '~~' : 4, '&' : 4, '|' : 4, '^' : 4, '&&' : 4, '||' : 4, '//' : 4, '..' : 4, '...' : 4, '?' : 4, ':' : 4, '=' : 4, '+=' : 4, '-=' : 4, '*=' : 4, // etc. ??? ',' : 4, '=>' : 4, '::' : 4, // list operators (rightward) 'not' : 4, 'and' : 4, 'or' : 4, 'xor' : 4, // PERL predefined variables (I know, what this is a paranoid idea, but may be needed for people, who learn PERL, and for me as well, ...and may be for you?;) 'BEGIN' : [5,1], 'END' : [5,1], 'PRINT' : [5,1], 'PRINTF' : [5,1], 'GETC' : [5,1], 'READ' : [5,1], 'READLINE' : [5,1], 'DESTROY' : [5,1], 'TIE' : [5,1], 'TIEHANDLE' : [5,1], 'UNTIE' : [5,1], 'STDIN' : 5, 'STDIN_TOP' : 5, 'STDOUT' : 5, 'STDOUT_TOP' : 5, 'STDERR' : 5, 'STDERR_TOP' : 5, '$ARG' : 5, '$_' : 5, '@ARG' : 5, '@_' : 5, '$LIST_SEPARATOR' : 5, '$"' : 5, '$PROCESS_ID' : 5, '$PID' : 5, '$$' : 5, '$REAL_GROUP_ID' : 5, '$GID' : 5, 'jQuery(' : 5, '$EFFECTIVE_GROUP_ID' : 5, '$EGID' : 5, '$)' : 5, '$PROGRAM_NAME' : 5, '$0' : 5, '$SUBSCRIPT_SEPARATOR' : 5, '$SUBSEP' : 5, '$;' : 5, '$REAL_USER_ID' : 5, '$UID' : 5, '$<' : 5, '$EFFECTIVE_USER_ID' : 5, '$EUID' : 5, '$>' : 5, '$a' : 5, '$b' : 5, '$COMPILING' : 5, '$^C' : 5, '$DEBUGGING' : 5, '$^D' : 5, '${^ENCODING}' : 5, '$ENV' : 5, '%ENV' : 5, '$SYSTEM_FD_MAX' : 5, '$^F' : 5, '@F' : 5, '${^GLOBAL_PHASE}' : 5, '$^H' : 5, '%^H' : 5, '@INC' : 5, '%INC' : 5, '$INPLACE_EDIT' : 5, '$^I' : 5, '$^M' : 5, '$OSNAME' : 5, '$^O' : 5, '${^OPEN}' : 5, '$PERLDB' : 5, '$^P' : 5, '$SIG' : 5, '%SIG' : 5, '$BASETIME' : 5, '$^T' : 5, '${^TAINT}' : 5, '${^UNICODE}' : 5, '${^UTF8CACHE}' : 5, '${^UTF8LOCALE}' : 5, '$PERL_VERSION' : 5, '$^V' : 5, '${^WIN32_SLOPPY_STAT}' : 5, '$EXECUTABLE_NAME' : 5, '$^X' : 5, '$1' : 5, // - regexp $1, $2... '$MATCH' : 5, '$&' : 5, '${^MATCH}' : 5, '$PREMATCH' : 5, '$`' : 5, '${^PREMATCH}' : 5, '$POSTMATCH' : 5, "$'" : 5, '${^POSTMATCH}' : 5, '$LAST_PAREN_MATCH' : 5, '$+' : 5, '$LAST_SUBMATCH_RESULT' : 5, '$^N' : 5, '@LAST_MATCH_END' : 5, '@+' : 5, '%LAST_PAREN_MATCH' : 5, '%+' : 5, '@LAST_MATCH_START' : 5, '@-' : 5, '%LAST_MATCH_START' : 5, '%-' : 5, '$LAST_REGEXP_CODE_RESULT' : 5, '$^R' : 5, '${^RE_DEBUG_FLAGS}' : 5, '${^RE_TRIE_MAXBUF}' : 5, '$ARGV' : 5, '@ARGV' : 5, 'ARGV' : 5, 'ARGVOUT' : 5, '$OUTPUT_FIELD_SEPARATOR' : 5, '$OFS' : 5, '$,' : 5, '$INPUT_LINE_NUMBER' : 5, '$NR' : 5, 'jQuery.' : 5, '$INPUT_RECORD_SEPARATOR' : 5, '$RS' : 5, '$/' : 5, '$OUTPUT_RECORD_SEPARATOR' : 5, '$ORS' : 5, '$\\' : 5, '$OUTPUT_AUTOFLUSH' : 5, '$|' : 5, '$ACCUMULATOR' : 5, '$^A' : 5, '$FORMAT_FORMFEED' : 5, '$^L' : 5, '$FORMAT_PAGE_NUMBER' : 5, '$%' : 5, '$FORMAT_LINES_LEFT' : 5, '$-' : 5, '$FORMAT_LINE_BREAK_CHARACTERS' : 5, '$:' : 5, '$FORMAT_LINES_PER_PAGE' : 5, '$=' : 5, '$FORMAT_TOP_NAME' : 5, '$^' : 5, '$FORMAT_NAME' : 5, '$~' : 5, '${^CHILD_ERROR_NATIVE}' : 5, '$EXTENDED_OS_ERROR' : 5, '$^E' : 5, '$EXCEPTIONS_BEING_CAUGHT' : 5, '$^S' : 5, '$WARNING' : 5, '$^W' : 5, '${^WARNING_BITS}' : 5, '$OS_ERROR' : 5, '$ERRNO' : 5, '$!' : 5, '%OS_ERROR' : 5, '%ERRNO' : 5, '%!' : 5, '$CHILD_ERROR' : 5, '$?' : 5, '$EVAL_ERROR' : 5, '$@' : 5, '$OFMT' : 5, '$#' : 5, '$*' : 5, '$ARRAY_BASE' : 5, '$[' : 5, '$OLD_PERL_VERSION' : 5, '$]' : 5, // PERL blocks 'if' :[1,1], elsif :[1,1], 'else' :[1,1], 'while' :[1,1], unless :[1,1], 'for' :[1,1], foreach :[1,1], // PERL functions 'abs' :1, // - absolute value function accept :1, // - accept an incoming socket connect alarm :1, // - schedule a SIGALRM 'atan2' :1, // - arctangent of Y/X in the range -PI to PI bind :1, // - binds an address to a socket binmode :1, // - prepare binary files for I/O bless :1, // - create an object bootstrap :1, // 'break' :1, // - break out of a "given" block caller :1, // - get context of the current subroutine call chdir :1, // - change your current working directory chmod :1, // - changes the permissions on a list of files chomp :1, // - remove a trailing record separator from a string chop :1, // - remove the last character from a string chown :1, // - change the ownership on a list of files chr :1, // - get character this number represents chroot :1, // - make directory new root for path lookups close :1, // - close file (or pipe or socket) handle closedir :1, // - close directory handle connect :1, // - connect to a remote socket 'continue' :[1,1], // - optional trailing block in a while or foreach 'cos' :1, // - cosine function crypt :1, // - one-way passwd-style encryption dbmclose :1, // - breaks binding on a tied dbm file dbmopen :1, // - create binding on a tied dbm file 'default' :1, // defined :1, // - test whether a value, variable, or function is defined 'delete' :1, // - deletes a value from a hash die :1, // - raise an exception or bail out 'do' :1, // - turn a BLOCK into a TERM dump :1, // - create an immediate core dump each :1, // - retrieve the next key/value pair from a hash endgrent :1, // - be done using group file endhostent :1, // - be done using hosts file endnetent :1, // - be done using networks file endprotoent :1, // - be done using protocols file endpwent :1, // - be done using passwd file endservent :1, // - be done using services file eof :1, // - test a filehandle for its end 'eval' :1, // - catch exceptions or compile and run code 'exec' :1, // - abandon this program to run another exists :1, // - test whether a hash key is present exit :1, // - terminate this program 'exp' :1, // - raise I to a power fcntl :1, // - file control system call fileno :1, // - return file descriptor from filehandle flock :1, // - lock an entire file with an advisory lock fork :1, // - create a new process just like this one format :1, // - declare a picture format with use by the write() function formline :1, // - internal function used for formats getc :1, // - get the next character from the filehandle getgrent :1, // - get next group record getgrgid :1, // - get group record given group user ID getgrnam :1, // - get group record given group name gethostbyaddr :1, // - get host record given its address gethostbyname :1, // - get host record given name gethostent :1, // - get next hosts record getlogin :1, // - return who logged in at this tty getnetbyaddr :1, // - get network record given its address getnetbyname :1, // - get networks record given name getnetent :1, // - get next networks record getpeername :1, // - find the other end of a socket connection getpgrp :1, // - get process group getppid :1, // - get parent process ID getpriority :1, // - get current nice value getprotobyname :1, // - get protocol record given name getprotobynumber :1, // - get protocol record numeric protocol getprotoent :1, // - get next protocols record getpwent :1, // - get next passwd record getpwnam :1, // - get passwd record given user login name getpwuid :1, // - get passwd record given user ID getservbyname :1, // - get services record given its name getservbyport :1, // - get services record given numeric port getservent :1, // - get next services record getsockname :1, // - retrieve the sockaddr for a given socket getsockopt :1, // - get socket options on a given socket given :1, // glob :1, // - expand filenames using wildcards gmtime :1, // - convert UNIX time into record or string using Greenwich time 'goto' :1, // - create spaghetti code grep :1, // - locate elements in a list test true against a given criterion hex :1, // - convert a string to a hexadecimal number 'import' :1, // - patch a module's namespace into your own index :1, // - find a substring within a string 'int' :1, // - get the integer portion of a number ioctl :1, // - system-dependent device control system call 'join' :1, // - join a list into a string using a separator keys :1, // - retrieve list of indices from a hash kill :1, // - send a signal to a process or process group last :1, // - exit a block prematurely lc :1, // - return lower-case version of a string lcfirst :1, // - return a string with just the next letter in lower case length :1, // - return the number of bytes in a string 'link' :1, // - create a hard link in the filesytem listen :1, // - register your socket as a server local : 2, // - create a temporary value for a global variable (dynamic scoping) localtime :1, // - convert UNIX time into record or string using local time lock :1, // - get a thread lock on a variable, subroutine, or method 'log' :1, // - retrieve the natural logarithm for a number lstat :1, // - stat a symbolic link m :null, // - match a string with a regular expression pattern map :1, // - apply a change to a list to get back a new list with the changes mkdir :1, // - create a directory msgctl :1, // - SysV IPC message control operations msgget :1, // - get SysV IPC message queue msgrcv :1, // - receive a SysV IPC message from a message queue msgsnd :1, // - send a SysV IPC message to a message queue my : 2, // - declare and assign a local variable (lexical scoping) 'new' :1, // next :1, // - iterate a block prematurely no :1, // - unimport some module symbols or semantics at compile time oct :1, // - convert a string to an octal number open :1, // - open a file, pipe, or descriptor opendir :1, // - open a directory ord :1, // - find a character's numeric representation our : 2, // - declare and assign a package variable (lexical scoping) pack :1, // - convert a list into a binary representation 'package' :1, // - declare a separate global namespace pipe :1, // - open a pair of connected filehandles pop :1, // - remove the last element from an array and return it pos :1, // - find or set the offset for the last/next m//g search print :1, // - output a list to a filehandle printf :1, // - output a formatted list to a filehandle prototype :1, // - get the prototype (if any) of a subroutine push :1, // - append one or more elements to an array q :null, // - singly quote a string qq :null, // - doubly quote a string qr :null, // - Compile pattern quotemeta :null, // - quote regular expression magic characters qw :null, // - quote a list of words qx :null, // - backquote quote a string rand :1, // - retrieve the next pseudorandom number read :1, // - fixed-length buffered input from a filehandle readdir :1, // - get a directory from a directory handle readline :1, // - fetch a record from a file readlink :1, // - determine where a symbolic link is pointing readpipe :1, // - execute a system command and collect standard output recv :1, // - receive a message over a Socket redo :1, // - start this loop iteration over again ref :1, // - find out the type of thing being referenced rename :1, // - change a filename require :1, // - load in external functions from a library at runtime reset :1, // - clear all variables of a given name 'return' :1, // - get out of a function early reverse :1, // - flip a string or a list rewinddir :1, // - reset directory handle rindex :1, // - right-to-left substring search rmdir :1, // - remove a directory s :null, // - replace a pattern with a string say :1, // - print with newline scalar :1, // - force a scalar context seek :1, // - reposition file pointer for random-access I/O seekdir :1, // - reposition directory pointer select :1, // - reset default output or do I/O multiplexing semctl :1, // - SysV semaphore control operations semget :1, // - get set of SysV semaphores semop :1, // - SysV semaphore operations send :1, // - send a message over a socket setgrent :1, // - prepare group file for use sethostent :1, // - prepare hosts file for use setnetent :1, // - prepare networks file for use setpgrp :1, // - set the process group of a process setpriority :1, // - set a process's nice value setprotoent :1, // - prepare protocols file for use setpwent :1, // - prepare passwd file for use setservent :1, // - prepare services file for use setsockopt :1, // - set some socket options shift :1, // - remove the first element of an array, and return it shmctl :1, // - SysV shared memory operations shmget :1, // - get SysV shared memory segment identifier shmread :1, // - read SysV shared memory shmwrite :1, // - write SysV shared memory shutdown :1, // - close down just half of a socket connection 'sin' :1, // - return the sine of a number sleep :1, // - block for some number of seconds socket :1, // - create a socket socketpair :1, // - create a pair of sockets 'sort' :1, // - sort a list of values splice :1, // - add or remove elements anywhere in an array 'split' :1, // - split up a string using a regexp delimiter sprintf :1, // - formatted print into a string 'sqrt' :1, // - square root function srand :1, // - seed the random number generator stat :1, // - get a file's status information state :1, // - declare and assign a state variable (persistent lexical scoping) study :1, // - optimize input data for repeated searches 'sub' :1, // - declare a subroutine, possibly anonymously 'substr' :1, // - get or alter a portion of a stirng symlink :1, // - create a symbolic link to a file syscall :1, // - execute an arbitrary system call sysopen :1, // - open a file, pipe, or descriptor sysread :1, // - fixed-length unbuffered input from a filehandle sysseek :1, // - position I/O pointer on handle used with sysread and syswrite system :1, // - run a separate program syswrite :1, // - fixed-length unbuffered output to a filehandle tell :1, // - get current seekpointer on a filehandle telldir :1, // - get current seekpointer on a directory handle tie :1, // - bind a variable to an object class tied :1, // - get a reference to the object underlying a tied variable time :1, // - return number of seconds since 1970 times :1, // - return elapsed time for self and child processes tr :null, // - transliterate a string truncate :1, // - shorten a file uc :1, // - return upper-case version of a string ucfirst :1, // - return a string with just the next letter in upper case umask :1, // - set file creation mode mask undef :1, // - remove a variable or function definition unlink :1, // - remove one link to a file unpack :1, // - convert binary structure into normal perl variables unshift :1, // - prepend more elements to the beginning of a list untie :1, // - break a tie binding to a variable use :1, // - load in a module at compile time utime :1, // - set a file's last access and modify times values :1, // - return a list of the values in a hash vec :1, // - test or set particular bits in a string wait :1, // - wait for any child process to die waitpid :1, // - wait for a particular child process to die wantarray :1, // - get void vs scalar vs list context of current subroutine call warn :1, // - print debugging info when :1, // write :1, // - print a picture record y :null}; // - transliterate a string var RXstyle="string-2"; var RXmodifiers=/[goseximacplud]/; // NOTE: "m", "s", "y" and "tr" need to correct real modifiers for each regexp type function tokenChain(stream,state,chain,style,tail){ // NOTE: chain.length > 2 is not working now (it's for s[...][...]geos;) state.chain=null; // 12 3tail state.style=null; state.tail=null; state.tokenize=function(stream,state){ var e=false,c,i=0; while(c=stream.next()){ if(c===chain[i]&&!e){ if(chain[++i]!==undefined){ state.chain=chain[i]; state.style=style; state.tail=tail;} else if(tail) stream.eatWhile(tail); state.tokenize=tokenPerl; return style;} e=!e&&c=="\\";} return style;}; return state.tokenize(stream,state);} function tokenSOMETHING(stream,state,string){ state.tokenize=function(stream,state){ if(stream.string==string) state.tokenize=tokenPerl; stream.skipToEnd(); return "string";}; return state.tokenize(stream,state);} function tokenPerl(stream,state){ if(stream.eatSpace()) return null; if(state.chain) return tokenChain(stream,state,state.chain,state.style,state.tail); if(stream.match(/^\-?[\d\.]/,false)) if(stream.match(/^(\-?(\d*\.\d+(e[+-]?\d+)?|\d+\.\d*)|0x[\da-fA-F]+|0b[01]+|\d+(e[+-]?\d+)?)/)) return 'number'; if(stream.match(/^<<(?=\w)/)){ // NOTE: <<SOMETHING\n...\nSOMETHING\n stream.eatWhile(/\w/); return tokenSOMETHING(stream,state,stream.current().substr(2));} if(stream.sol()&&stream.match(/^\=item(?!\w)/)){// NOTE: \n=item...\n=cut\n return tokenSOMETHING(stream,state,'=cut');} var ch=stream.next(); if(ch=='"'||ch=="'"){ // NOTE: ' or " or <<'SOMETHING'\n...\nSOMETHING\n or <<"SOMETHING"\n...\nSOMETHING\n if(prefix(stream, 3)=="<<"+ch){ var p=stream.pos; stream.eatWhile(/\w/); var n=stream.current().substr(1); if(n&&stream.eat(ch)) return tokenSOMETHING(stream,state,n); stream.pos=p;} return tokenChain(stream,state,[ch],"string");} if(ch=="q"){ var c=look(stream, -2); if(!(c&&/\w/.test(c))){ c=look(stream, 0); if(c=="x"){ c=look(stream, 1); if(c=="("){ eatSuffix(stream, 2); return tokenChain(stream,state,[")"],RXstyle,RXmodifiers);} if(c=="["){ eatSuffix(stream, 2); return tokenChain(stream,state,["]"],RXstyle,RXmodifiers);} if(c=="{"){ eatSuffix(stream, 2); return tokenChain(stream,state,["}"],RXstyle,RXmodifiers);} if(c=="<"){ eatSuffix(stream, 2); return tokenChain(stream,state,[">"],RXstyle,RXmodifiers);} if(/[\^'"!~\/]/.test(c)){ eatSuffix(stream, 1); return tokenChain(stream,state,[stream.eat(c)],RXstyle,RXmodifiers);}} else if(c=="q"){ c=look(stream, 1); if(c=="("){ eatSuffix(stream, 2); return tokenChain(stream,state,[")"],"string");} if(c=="["){ eatSuffix(stream, 2); return tokenChain(stream,state,["]"],"string");} if(c=="{"){ eatSuffix(stream, 2); return tokenChain(stream,state,["}"],"string");} if(c=="<"){ eatSuffix(stream, 2); return tokenChain(stream,state,[">"],"string");} if(/[\^'"!~\/]/.test(c)){ eatSuffix(stream, 1); return tokenChain(stream,state,[stream.eat(c)],"string");}} else if(c=="w"){ c=look(stream, 1); if(c=="("){ eatSuffix(stream, 2); return tokenChain(stream,state,[")"],"bracket");} if(c=="["){ eatSuffix(stream, 2); return tokenChain(stream,state,["]"],"bracket");} if(c=="{"){ eatSuffix(stream, 2); return tokenChain(stream,state,["}"],"bracket");} if(c=="<"){ eatSuffix(stream, 2); return tokenChain(stream,state,[">"],"bracket");} if(/[\^'"!~\/]/.test(c)){ eatSuffix(stream, 1); return tokenChain(stream,state,[stream.eat(c)],"bracket");}} else if(c=="r"){ c=look(stream, 1); if(c=="("){ eatSuffix(stream, 2); return tokenChain(stream,state,[")"],RXstyle,RXmodifiers);} if(c=="["){ eatSuffix(stream, 2); return tokenChain(stream,state,["]"],RXstyle,RXmodifiers);} if(c=="{"){ eatSuffix(stream, 2); return tokenChain(stream,state,["}"],RXstyle,RXmodifiers);} if(c=="<"){ eatSuffix(stream, 2); return tokenChain(stream,state,[">"],RXstyle,RXmodifiers);} if(/[\^'"!~\/]/.test(c)){ eatSuffix(stream, 1); return tokenChain(stream,state,[stream.eat(c)],RXstyle,RXmodifiers);}} else if(/[\^'"!~\/(\[{<]/.test(c)){ if(c=="("){ eatSuffix(stream, 1); return tokenChain(stream,state,[")"],"string");} if(c=="["){ eatSuffix(stream, 1); return tokenChain(stream,state,["]"],"string");} if(c=="{"){ eatSuffix(stream, 1); return tokenChain(stream,state,["}"],"string");} if(c=="<"){ eatSuffix(stream, 1); return tokenChain(stream,state,[">"],"string");} if(/[\^'"!~\/]/.test(c)){ return tokenChain(stream,state,[stream.eat(c)],"string");}}}} if(ch=="m"){ var c=look(stream, -2); if(!(c&&/\w/.test(c))){ c=stream.eat(/[(\[{<\^'"!~\/]/); if(c){ if(/[\^'"!~\/]/.test(c)){ return tokenChain(stream,state,[c],RXstyle,RXmodifiers);} if(c=="("){ return tokenChain(stream,state,[")"],RXstyle,RXmodifiers);} if(c=="["){ return tokenChain(stream,state,["]"],RXstyle,RXmodifiers);} if(c=="{"){ return tokenChain(stream,state,["}"],RXstyle,RXmodifiers);} if(c=="<"){ return tokenChain(stream,state,[">"],RXstyle,RXmodifiers);}}}} if(ch=="s"){ var c=/[\/>\]})\w]/.test(look(stream, -2)); if(!c){ c=stream.eat(/[(\[{<\^'"!~\/]/); if(c){ if(c=="[") return tokenChain(stream,state,["]","]"],RXstyle,RXmodifiers); if(c=="{") return tokenChain(stream,state,["}","}"],RXstyle,RXmodifiers); if(c=="<") return tokenChain(stream,state,[">",">"],RXstyle,RXmodifiers); if(c=="(") return tokenChain(stream,state,[")",")"],RXstyle,RXmodifiers); return tokenChain(stream,state,[c,c],RXstyle,RXmodifiers);}}} if(ch=="y"){ var c=/[\/>\]})\w]/.test(look(stream, -2)); if(!c){ c=stream.eat(/[(\[{<\^'"!~\/]/); if(c){ if(c=="[") return tokenChain(stream,state,["]","]"],RXstyle,RXmodifiers); if(c=="{") return tokenChain(stream,state,["}","}"],RXstyle,RXmodifiers); if(c=="<") return tokenChain(stream,state,[">",">"],RXstyle,RXmodifiers); if(c=="(") return tokenChain(stream,state,[")",")"],RXstyle,RXmodifiers); return tokenChain(stream,state,[c,c],RXstyle,RXmodifiers);}}} if(ch=="t"){ var c=/[\/>\]})\w]/.test(look(stream, -2)); if(!c){ c=stream.eat("r");if(c){ c=stream.eat(/[(\[{<\^'"!~\/]/); if(c){ if(c=="[") return tokenChain(stream,state,["]","]"],RXstyle,RXmodifiers); if(c=="{") return tokenChain(stream,state,["}","}"],RXstyle,RXmodifiers); if(c=="<") return tokenChain(stream,state,[">",">"],RXstyle,RXmodifiers); if(c=="(") return tokenChain(stream,state,[")",")"],RXstyle,RXmodifiers); return tokenChain(stream,state,[c,c],RXstyle,RXmodifiers);}}}} if(ch=="`"){ return tokenChain(stream,state,[ch],"variable-2");} if(ch=="/"){ if(!/~\s*$/.test(prefix(stream))) return "operator"; else return tokenChain(stream,state,[ch],RXstyle,RXmodifiers);} if(ch=="$"){ var p=stream.pos; if(stream.eatWhile(/\d/)||stream.eat("{")&&stream.eatWhile(/\d/)&&stream.eat("}")) return "variable-2"; else stream.pos=p;} if(/[$@%]/.test(ch)){ var p=stream.pos; if(stream.eat("^")&&stream.eat(/[A-Z]/)||!/[@$%&]/.test(look(stream, -2))&&stream.eat(/[=|\\\-#?@;:&`~\^!\[\]*'"$+.,\/<>()]/)){ var c=stream.current(); if(PERL[c]) return "variable-2";} stream.pos=p;} if(/[$@%&]/.test(ch)){ if(stream.eatWhile(/[\w$\[\]]/)||stream.eat("{")&&stream.eatWhile(/[\w$\[\]]/)&&stream.eat("}")){ var c=stream.current(); if(PERL[c]) return "variable-2"; else return "variable";}} if(ch=="#"){ if(look(stream, -2)!="$"){ stream.skipToEnd(); return "comment";}} if(/[:+\-\^*$&%@=<>!?|\/~\.]/.test(ch)){ var p=stream.pos; stream.eatWhile(/[:+\-\^*$&%@=<>!?|\/~\.]/); if(PERL[stream.current()]) return "operator"; else stream.pos=p;} if(ch=="_"){ if(stream.pos==1){ if(suffix(stream, 6)=="_END__"){ return tokenChain(stream,state,['\0'],"comment");} else if(suffix(stream, 7)=="_DATA__"){ return tokenChain(stream,state,['\0'],"variable-2");} else if(suffix(stream, 7)=="_C__"){ return tokenChain(stream,state,['\0'],"string");}}} if(/\w/.test(ch)){ var p=stream.pos; if(look(stream, -2)=="{"&&(look(stream, 0)=="}"||stream.eatWhile(/\w/)&&look(stream, 0)=="}")) return "string"; else stream.pos=p;} if(/[A-Z]/.test(ch)){ var l=look(stream, -2); var p=stream.pos; stream.eatWhile(/[A-Z_]/); if(/[\da-z]/.test(look(stream, 0))){ stream.pos=p;} else{ var c=PERL[stream.current()]; if(!c) return "meta"; if(c[1]) c=c[0]; if(l!=":"){ if(c==1) return "keyword"; else if(c==2) return "def"; else if(c==3) return "atom"; else if(c==4) return "operator"; else if(c==5) return "variable-2"; else return "meta";} else return "meta";}} if(/[a-zA-Z_]/.test(ch)){ var l=look(stream, -2); stream.eatWhile(/\w/); var c=PERL[stream.current()]; if(!c) return "meta"; if(c[1]) c=c[0]; if(l!=":"){ if(c==1) return "keyword"; else if(c==2) return "def"; else if(c==3) return "atom"; else if(c==4) return "operator"; else if(c==5) return "variable-2"; else return "meta";} else return "meta";} return null;} return { startState: function() { return { tokenize: tokenPerl, chain: null, style: null, tail: null }; }, token: function(stream, state) { return (state.tokenize || tokenPerl)(stream, state); }, lineComment: '#' }; }); CodeMirror.registerHelper("wordChars", "perl", /[\w$]/); CodeMirror.defineMIME("text/x-perl", "perl"); // it's like "peek", but need for look-ahead or look-behind if index < 0 function look(stream, c){ return stream.string.charAt(stream.pos+(c||0)); } // return a part of prefix of current stream from current position function prefix(stream, c){ if(c){ var x=stream.pos-c; return stream.string.substr((x>=0?x:0),c);} else{ return stream.string.substr(0,stream.pos-1); } } // return a part of suffix of current stream from current position function suffix(stream, c){ var y=stream.string.length; var x=y-stream.pos+1; return stream.string.substr(stream.pos,(c&&c<y?c:x)); } // eating and vomiting a part of stream from current position function eatSuffix(stream, c){ var x=stream.pos+c; var y; if(x<=0) stream.pos=0; else if(x>=(y=stream.string.length-1)) stream.pos=y; else stream.pos=x; } });
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