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// 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 ,
'$(' : 5 ,
'$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 ,
'$.' : 5 ,
'$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
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chown : 1 , // - change the ownership on a list of files
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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 ;
}
} ) ;