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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://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
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;
}
});