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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others 2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE 3 4 // CodeMirror2 mode/perl/perl.js (text/x-perl) beta 0.10 (2011-11-08) 5 // This is a part of CodeMirror from https://github.com/sabaca/CodeMirror_mode_perl ([email protected]) 6 7 (function(mod) { 8 if (typeof exports == "object" && typeof module == "object") // CommonJS 9 mod(require("../../lib/codemirror")); 10 else if (typeof define == "function" && define.amd) // AMD 11 define(["../../lib/codemirror"], mod); 12 else // Plain browser env 13 mod(CodeMirror); 14 })(function(CodeMirror) { 15 "use strict"; 16 17 CodeMirror.defineMode("perl",function(){ 18 // http://perldoc.perl.org 19 var PERL={ // null - magic touch 20 // 1 - keyword 21 // 2 - def 22 // 3 - atom 23 // 4 - operator 24 // 5 - variable-2 (predefined) 25 // [x,y] - x=1,2,3; y=must be defined if x{...} 26 // PERL operators 27 '->' : 4, 28 '++' : 4, 29 '--' : 4, 30 '**' : 4, 31 // ! ~ \ and unary + and - 32 '=~' : 4, 33 '!~' : 4, 34 '*' : 4, 35 '/' : 4, 36 '%' : 4, 37 'x' : 4, 38 '+' : 4, 39 '-' : 4, 40 '.' : 4, 41 '<<' : 4, 42 '>>' : 4, 43 // named unary operators 44 '<' : 4, 45 '>' : 4, 46 '<=' : 4, 47 '>=' : 4, 48 'lt' : 4, 49 'gt' : 4, 50 'le' : 4, 51 'ge' : 4, 52 '==' : 4, 53 '!=' : 4, 54 '<=>' : 4, 55 'eq' : 4, 56 'ne' : 4, 57 'cmp' : 4, 58 '~~' : 4, 59 '&' : 4, 60 '|' : 4, 61 '^' : 4, 62 '&&' : 4, 63 '||' : 4, 64 '//' : 4, 65 '..' : 4, 66 '...' : 4, 67 '?' : 4, 68 ':' : 4, 69 '=' : 4, 70 '+=' : 4, 71 '-=' : 4, 72 '*=' : 4, // etc. ??? 73 ',' : 4, 74 '=>' : 4, 75 '::' : 4, 76 // list operators (rightward) 77 'not' : 4, 78 'and' : 4, 79 'or' : 4, 80 'xor' : 4, 81 // 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?;) 82 'BEGIN' : [5,1], 83 'END' : [5,1], 84 'PRINT' : [5,1], 85 'PRINTF' : [5,1], 86 'GETC' : [5,1], 87 'READ' : [5,1], 88 'READLINE' : [5,1], 89 'DESTROY' : [5,1], 90 'TIE' : [5,1], 91 'TIEHANDLE' : [5,1], 92 'UNTIE' : [5,1], 93 'STDIN' : 5, 94 'STDIN_TOP' : 5, 95 'STDOUT' : 5, 96 'STDOUT_TOP' : 5, 97 'STDERR' : 5, 98 'STDERR_TOP' : 5, 99 '$ARG' : 5, 100 '$_' : 5, 101 '@ARG' : 5, 102 '@_' : 5, 103 '$LIST_SEPARATOR' : 5, 104 '$"' : 5, 105 '$PROCESS_ID' : 5, 106 '$PID' : 5, 107 '$$' : 5, 108 '$REAL_GROUP_ID' : 5, 109 '$GID' : 5, 110 '$(' : 5, 111 '$EFFECTIVE_GROUP_ID' : 5, 112 '$EGID' : 5, 113 '$)' : 5, 114 '$PROGRAM_NAME' : 5, 115 '$0' : 5, 116 '$SUBSCRIPT_SEPARATOR' : 5, 117 '$SUBSEP' : 5, 118 '$;' : 5, 119 '$REAL_USER_ID' : 5, 120 '$UID' : 5, 121 '$<' : 5, 122 '$EFFECTIVE_USER_ID' : 5, 123 '$EUID' : 5, 124 '$>' : 5, 125 '$a' : 5, 126 '$b' : 5, 127 '$COMPILING' : 5, 128 '$^C' : 5, 129 '$DEBUGGING' : 5, 130 '$^D' : 5, 131 '${^ENCODING}' : 5, 132 '$ENV' : 5, 133 '%ENV' : 5, 134 '$SYSTEM_FD_MAX' : 5, 135 '$^F' : 5, 136 '@F' : 5, 137 '${^GLOBAL_PHASE}' : 5, 138 '$^H' : 5, 139 '%^H' : 5, 140 '@INC' : 5, 141 '%INC' : 5, 142 '$INPLACE_EDIT' : 5, 143 '$^I' : 5, 144 '$^M' : 5, 145 '$OSNAME' : 5, 146 '$^O' : 5, 147 '${^OPEN}' : 5, 148 '$PERLDB' : 5, 149 '$^P' : 5, 150 '$SIG' : 5, 151 '%SIG' : 5, 152 '$BASETIME' : 5, 153 '$^T' : 5, 154 '${^TAINT}' : 5, 155 '${^UNICODE}' : 5, 156 '${^UTF8CACHE}' : 5, 157 '${^UTF8LOCALE}' : 5, 158 '$PERL_VERSION' : 5, 159 '$^V' : 5, 160 '${^WIN32_SLOPPY_STAT}' : 5, 161 '$EXECUTABLE_NAME' : 5, 162 '$^X' : 5, 163 '$1' : 5, // - regexp $1, $2... 164 '$MATCH' : 5, 165 '$&' : 5, 166 '${^MATCH}' : 5, 167 '$PREMATCH' : 5, 168 '$`' : 5, 169 '${^PREMATCH}' : 5, 170 '$POSTMATCH' : 5, 171 "$'" : 5, 172 '${^POSTMATCH}' : 5, 173 '$LAST_PAREN_MATCH' : 5, 174 '$+' : 5, 175 '$LAST_SUBMATCH_RESULT' : 5, 176 '$^N' : 5, 177 '@LAST_MATCH_END' : 5, 178 '@+' : 5, 179 '%LAST_PAREN_MATCH' : 5, 180 '%+' : 5, 181 '@LAST_MATCH_START' : 5, 182 '@-' : 5, 183 '%LAST_MATCH_START' : 5, 184 '%-' : 5, 185 '$LAST_REGEXP_CODE_RESULT' : 5, 186 '$^R' : 5, 187 '${^RE_DEBUG_FLAGS}' : 5, 188 '${^RE_TRIE_MAXBUF}' : 5, 189 '$ARGV' : 5, 190 '@ARGV' : 5, 191 'ARGV' : 5, 192 'ARGVOUT' : 5, 193 '$OUTPUT_FIELD_SEPARATOR' : 5, 194 '$OFS' : 5, 195 '$,' : 5, 196 '$INPUT_LINE_NUMBER' : 5, 197 '$NR' : 5, 198 '$.' : 5, 199 '$INPUT_RECORD_SEPARATOR' : 5, 200 '$RS' : 5, 201 '$/' : 5, 202 '$OUTPUT_RECORD_SEPARATOR' : 5, 203 '$ORS' : 5, 204 '$\\' : 5, 205 '$OUTPUT_AUTOFLUSH' : 5, 206 '$|' : 5, 207 '$ACCUMULATOR' : 5, 208 '$^A' : 5, 209 '$FORMAT_FORMFEED' : 5, 210 '$^L' : 5, 211 '$FORMAT_PAGE_NUMBER' : 5, 212 '$%' : 5, 213 '$FORMAT_LINES_LEFT' : 5, 214 '$-' : 5, 215 '$FORMAT_LINE_BREAK_CHARACTERS' : 5, 216 '$:' : 5, 217 '$FORMAT_LINES_PER_PAGE' : 5, 218 '$=' : 5, 219 '$FORMAT_TOP_NAME' : 5, 220 '$^' : 5, 221 '$FORMAT_NAME' : 5, 222 '$~' : 5, 223 '${^CHILD_ERROR_NATIVE}' : 5, 224 '$EXTENDED_OS_ERROR' : 5, 225 '$^E' : 5, 226 '$EXCEPTIONS_BEING_CAUGHT' : 5, 227 '$^S' : 5, 228 '$WARNING' : 5, 229 '$^W' : 5, 230 '${^WARNING_BITS}' : 5, 231 '$OS_ERROR' : 5, 232 '$ERRNO' : 5, 233 '$!' : 5, 234 '%OS_ERROR' : 5, 235 '%ERRNO' : 5, 236 '%!' : 5, 237 '$CHILD_ERROR' : 5, 238 '$?' : 5, 239 '$EVAL_ERROR' : 5, 240 '$@' : 5, 241 '$OFMT' : 5, 242 '$#' : 5, 243 '$*' : 5, 244 '$ARRAY_BASE' : 5, 245 '$[' : 5, 246 '$OLD_PERL_VERSION' : 5, 247 '$]' : 5, 248 // PERL blocks 249 'if' :[1,1], 250 elsif :[1,1], 251 'else' :[1,1], 252 'while' :[1,1], 253 unless :[1,1], 254 'for' :[1,1], 255 foreach :[1,1], 256 // PERL functions 257 'abs' :1, // - absolute value function 258 accept :1, // - accept an incoming socket connect 259 alarm :1, // - schedule a SIGALRM 260 'atan2' :1, // - arctangent of Y/X in the range -PI to PI 261 bind :1, // - binds an address to a socket 262 binmode :1, // - prepare binary files for I/O 263 bless :1, // - create an object 264 bootstrap :1, // 265 'break' :1, // - break out of a "given" block 266 caller :1, // - get context of the current subroutine call 267 chdir :1, // - change your current working directory 268 chmod :1, // - changes the permissions on a list of files 269 chomp :1, // - remove a trailing record separator from a string 270 chop :1, // - remove the last character from a string 271 chown :1, // - change the ownership on a list of files 272 chr :1, // - get character this number represents 273 chroot :1, // - make directory new root for path lookups 274 close :1, // - close file (or pipe or socket) handle 275 closedir :1, // - close directory handle 276 connect :1, // - connect to a remote socket 277 'continue' :[1,1], // - optional trailing block in a while or foreach 278 'cos' :1, // - cosine function 279 crypt :1, // - one-way passwd-style encryption 280 dbmclose :1, // - breaks binding on a tied dbm file 281 dbmopen :1, // - create binding on a tied dbm file 282 'default' :1, // 283 defined :1, // - test whether a value, variable, or function is defined 284 'delete' :1, // - deletes a value from a hash 285 die :1, // - raise an exception or bail out 286 'do' :1, // - turn a BLOCK into a TERM 287 dump :1, // - create an immediate core dump 288 each :1, // - retrieve the next key/value pair from a hash 289 endgrent :1, // - be done using group file 290 endhostent :1, // - be done using hosts file 291 endnetent :1, // - be done using networks file 292 endprotoent :1, // - be done using protocols file 293 endpwent :1, // - be done using passwd file 294 endservent :1, // - be done using services file 295 eof :1, // - test a filehandle for its end 296 'eval' :1, // - catch exceptions or compile and run code 297 'exec' :1, // - abandon this program to run another 298 exists :1, // - test whether a hash key is present 299 exit :1, // - terminate this program 300 'exp' :1, // - raise I to a power 301 fcntl :1, // - file control system call 302 fileno :1, // - return file descriptor from filehandle 303 flock :1, // - lock an entire file with an advisory lock 304 fork :1, // - create a new process just like this one 305 format :1, // - declare a picture format with use by the write() function 306 formline :1, // - internal function used for formats 307 getc :1, // - get the next character from the filehandle 308 getgrent :1, // - get next group record 309 getgrgid :1, // - get group record given group user ID 310 getgrnam :1, // - get group record given group name 311 gethostbyaddr :1, // - get host record given its address 312 gethostbyname :1, // - get host record given name 313 gethostent :1, // - get next hosts record 314 getlogin :1, // - return who logged in at this tty 315 getnetbyaddr :1, // - get network record given its address 316 getnetbyname :1, // - get networks record given name 317 getnetent :1, // - get next networks record 318 getpeername :1, // - find the other end of a socket connection 319 getpgrp :1, // - get process group 320 getppid :1, // - get parent process ID 321 getpriority :1, // - get current nice value 322 getprotobyname :1, // - get protocol record given name 323 getprotobynumber :1, // - get protocol record numeric protocol 324 getprotoent :1, // - get next protocols record 325 getpwent :1, // - get next passwd record 326 getpwnam :1, // - get passwd record given user login name 327 getpwuid :1, // - get passwd record given user ID 328 getservbyname :1, // - get services record given its name 329 getservbyport :1, // - get services record given numeric port 330 getservent :1, // - get next services record 331 getsockname :1, // - retrieve the sockaddr for a given socket 332 getsockopt :1, // - get socket options on a given socket 333 given :1, // 334 glob :1, // - expand filenames using wildcards 335 gmtime :1, // - convert UNIX time into record or string using Greenwich time 336 'goto' :1, // - create spaghetti code 337 grep :1, // - locate elements in a list test true against a given criterion 338 hex :1, // - convert a string to a hexadecimal number 339 'import' :1, // - patch a module's namespace into your own 340 index :1, // - find a substring within a string 341 'int' :1, // - get the integer portion of a number 342 ioctl :1, // - system-dependent device control system call 343 'join' :1, // - join a list into a string using a separator 344 keys :1, // - retrieve list of indices from a hash 345 kill :1, // - send a signal to a process or process group 346 last :1, // - exit a block prematurely 347 lc :1, // - return lower-case version of a string 348 lcfirst :1, // - return a string with just the next letter in lower case 349 length :1, // - return the number of bytes in a string 350 'link' :1, // - create a hard link in the filesystem 351 listen :1, // - register your socket as a server 352 local : 2, // - create a temporary value for a global variable (dynamic scoping) 353 localtime :1, // - convert UNIX time into record or string using local time 354 lock :1, // - get a thread lock on a variable, subroutine, or method 355 'log' :1, // - retrieve the natural logarithm for a number 356 lstat :1, // - stat a symbolic link 357 m :null, // - match a string with a regular expression pattern 358 map :1, // - apply a change to a list to get back a new list with the changes 359 mkdir :1, // - create a directory 360 msgctl :1, // - SysV IPC message control operations 361 msgget :1, // - get SysV IPC message queue 362 msgrcv :1, // - receive a SysV IPC message from a message queue 363 msgsnd :1, // - send a SysV IPC message to a message queue 364 my : 2, // - declare and assign a local variable (lexical scoping) 365 'new' :1, // 366 next :1, // - iterate a block prematurely 367 no :1, // - unimport some module symbols or semantics at compile time 368 oct :1, // - convert a string to an octal number 369 open :1, // - open a file, pipe, or descriptor 370 opendir :1, // - open a directory 371 ord :1, // - find a character's numeric representation 372 our : 2, // - declare and assign a package variable (lexical scoping) 373 pack :1, // - convert a list into a binary representation 374 'package' :1, // - declare a separate global namespace 375 pipe :1, // - open a pair of connected filehandles 376 pop :1, // - remove the last element from an array and return it 377 pos :1, // - find or set the offset for the last/next m//g search 378 print :1, // - output a list to a filehandle 379 printf :1, // - output a formatted list to a filehandle 380 prototype :1, // - get the prototype (if any) of a subroutine 381 push :1, // - append one or more elements to an array 382 q :null, // - singly quote a string 383 qq :null, // - doubly quote a string 384 qr :null, // - Compile pattern 385 quotemeta :null, // - quote regular expression magic characters 386 qw :null, // - quote a list of words 387 qx :null, // - backquote quote a string 388 rand :1, // - retrieve the next pseudorandom number 389 read :1, // - fixed-length buffered input from a filehandle 390 readdir :1, // - get a directory from a directory handle 391 readline :1, // - fetch a record from a file 392 readlink :1, // - determine where a symbolic link is pointing 393 readpipe :1, // - execute a system command and collect standard output 394 recv :1, // - receive a message over a Socket 395 redo :1, // - start this loop iteration over again 396 ref :1, // - find out the type of thing being referenced 397 rename :1, // - change a filename 398 require :1, // - load in external functions from a library at runtime 399 reset :1, // - clear all variables of a given name 400 'return' :1, // - get out of a function early 401 reverse :1, // - flip a string or a list 402 rewinddir :1, // - reset directory handle 403 rindex :1, // - right-to-left substring search 404 rmdir :1, // - remove a directory 405 s :null, // - replace a pattern with a string 406 say :1, // - print with newline 407 scalar :1, // - force a scalar context 408 seek :1, // - reposition file pointer for random-access I/O 409 seekdir :1, // - reposition directory pointer 410 select :1, // - reset default output or do I/O multiplexing 411 semctl :1, // - SysV semaphore control operations 412 semget :1, // - get set of SysV semaphores 413 semop :1, // - SysV semaphore operations 414 send :1, // - send a message over a socket 415 setgrent :1, // - prepare group file for use 416 sethostent :1, // - prepare hosts file for use 417 setnetent :1, // - prepare networks file for use 418 setpgrp :1, // - set the process group of a process 419 setpriority :1, // - set a process's nice value 420 setprotoent :1, // - prepare protocols file for use 421 setpwent :1, // - prepare passwd file for use 422 setservent :1, // - prepare services file for use 423 setsockopt :1, // - set some socket options 424 shift :1, // - remove the first element of an array, and return it 425 shmctl :1, // - SysV shared memory operations 426 shmget :1, // - get SysV shared memory segment identifier 427 shmread :1, // - read SysV shared memory 428 shmwrite :1, // - write SysV shared memory 429 shutdown :1, // - close down just half of a socket connection 430 'sin' :1, // - return the sine of a number 431 sleep :1, // - block for some number of seconds 432 socket :1, // - create a socket 433 socketpair :1, // - create a pair of sockets 434 'sort' :1, // - sort a list of values 435 splice :1, // - add or remove elements anywhere in an array 436 'split' :1, // - split up a string using a regexp delimiter 437 sprintf :1, // - formatted print into a string 438 'sqrt' :1, // - square root function 439 srand :1, // - seed the random number generator 440 stat :1, // - get a file's status information 441 state :1, // - declare and assign a state variable (persistent lexical scoping) 442 study :1, // - optimize input data for repeated searches 443 'sub' :1, // - declare a subroutine, possibly anonymously 444 'substr' :1, // - get or alter a portion of a string 445 symlink :1, // - create a symbolic link to a file 446 syscall :1, // - execute an arbitrary system call 447 sysopen :1, // - open a file, pipe, or descriptor 448 sysread :1, // - fixed-length unbuffered input from a filehandle 449 sysseek :1, // - position I/O pointer on handle used with sysread and syswrite 450 system :1, // - run a separate program 451 syswrite :1, // - fixed-length unbuffered output to a filehandle 452 tell :1, // - get current seekpointer on a filehandle 453 telldir :1, // - get current seekpointer on a directory handle 454 tie :1, // - bind a variable to an object class 455 tied :1, // - get a reference to the object underlying a tied variable 456 time :1, // - return number of seconds since 1970 457 times :1, // - return elapsed time for self and child processes 458 tr :null, // - transliterate a string 459 truncate :1, // - shorten a file 460 uc :1, // - return upper-case version of a string 461 ucfirst :1, // - return a string with just the next letter in upper case 462 umask :1, // - set file creation mode mask 463 undef :1, // - remove a variable or function definition 464 unlink :1, // - remove one link to a file 465 unpack :1, // - convert binary structure into normal perl variables 466 unshift :1, // - prepend more elements to the beginning of a list 467 untie :1, // - break a tie binding to a variable 468 use :1, // - load in a module at compile time 469 utime :1, // - set a file's last access and modify times 470 values :1, // - return a list of the values in a hash 471 vec :1, // - test or set particular bits in a string 472 wait :1, // - wait for any child process to die 473 waitpid :1, // - wait for a particular child process to die 474 wantarray :1, // - get void vs scalar vs list context of current subroutine call 475 warn :1, // - print debugging info 476 when :1, // 477 write :1, // - print a picture record 478 y :null}; // - transliterate a string 479 480 var RXstyle="string-2"; 481 var RXmodifiers=/[goseximacplud]/; // NOTE: "m", "s", "y" and "tr" need to correct real modifiers for each regexp type 482 483 function tokenChain(stream,state,chain,style,tail){ // NOTE: chain.length > 2 is not working now (it's for s[...][...]geos;) 484 state.chain=null; // 12 3tail 485 state.style=null; 486 state.tail=null; 487 state.tokenize=function(stream,state){ 488 var e=false,c,i=0; 489 while(c=stream.next()){ 490 if(c===chain[i]&&!e){ 491 if(chain[++i]!==undefined){ 492 state.chain=chain[i]; 493 state.style=style; 494 state.tail=tail;} 495 else if(tail) 496 stream.eatWhile(tail); 497 state.tokenize=tokenPerl; 498 return style;} 499 e=!e&&c=="\\";} 500 return style;}; 501 return state.tokenize(stream,state);} 502 503 function tokenSOMETHING(stream,state,string){ 504 state.tokenize=function(stream,state){ 505 if(stream.string==string) 506 state.tokenize=tokenPerl; 507 stream.skipToEnd(); 508 return "string";}; 509 return state.tokenize(stream,state);} 510 511 function tokenPerl(stream,state){ 512 if(stream.eatSpace()) 513 return null; 514 if(state.chain) 515 return tokenChain(stream,state,state.chain,state.style,state.tail); 516 if(stream.match(/^(\-?((\d[\d_]*)?\.\d+(e[+-]?\d+)?|\d+\.\d*)|0x[\da-fA-F_]+|0b[01_]+|\d[\d_]*(e[+-]?\d+)?)/)) 517 return 'number'; 518 if(stream.match(/^<<(?=[_a-zA-Z])/)){ // NOTE: <<SOMETHING\n...\nSOMETHING\n 519 stream.eatWhile(/\w/); 520 return tokenSOMETHING(stream,state,stream.current().substr(2));} 521 if(stream.sol()&&stream.match(/^\=item(?!\w)/)){// NOTE: \n=item...\n=cut\n 522 return tokenSOMETHING(stream,state,'=cut');} 523 var ch=stream.next(); 524 if(ch=='"'||ch=="'"){ // NOTE: ' or " or <<'SOMETHING'\n...\nSOMETHING\n or <<"SOMETHING"\n...\nSOMETHING\n 525 if(prefix(stream, 3)=="<<"+ch){ 526 var p=stream.pos; 527 stream.eatWhile(/\w/); 528 var n=stream.current().substr(1); 529 if(n&&stream.eat(ch)) 530 return tokenSOMETHING(stream,state,n); 531 stream.pos=p;} 532 return tokenChain(stream,state,[ch],"string");} 533 if(ch=="q"){ 534 var c=look(stream, -2); 535 if(!(c&&/\w/.test(c))){ 536 c=look(stream, 0); 537 if(c=="x"){ 538 c=look(stream, 1); 539 if(c=="("){ 540 eatSuffix(stream, 2); 541 return tokenChain(stream,state,[")"],RXstyle,RXmodifiers);} 542 if(c=="["){ 543 eatSuffix(stream, 2); 544 return tokenChain(stream,state,["]"],RXstyle,RXmodifiers);} 545 if(c=="{"){ 546 eatSuffix(stream, 2); 547 return tokenChain(stream,state,["}"],RXstyle,RXmodifiers);} 548 if(c=="<"){ 549 eatSuffix(stream, 2); 550 return tokenChain(stream,state,[">"],RXstyle,RXmodifiers);} 551 if(/[\^'"!~\/]/.test(c)){ 552 eatSuffix(stream, 1); 553 return tokenChain(stream,state,[stream.eat(c)],RXstyle,RXmodifiers);}} 554 else if(c=="q"){ 555 c=look(stream, 1); 556 if(c=="("){ 557 eatSuffix(stream, 2); 558 return tokenChain(stream,state,[")"],"string");} 559 if(c=="["){ 560 eatSuffix(stream, 2); 561 return tokenChain(stream,state,["]"],"string");} 562 if(c=="{"){ 563 eatSuffix(stream, 2); 564 return tokenChain(stream,state,["}"],"string");} 565 if(c=="<"){ 566 eatSuffix(stream, 2); 567 return tokenChain(stream,state,[">"],"string");} 568 if(/[\^'"!~\/]/.test(c)){ 569 eatSuffix(stream, 1); 570 return tokenChain(stream,state,[stream.eat(c)],"string");}} 571 else if(c=="w"){ 572 c=look(stream, 1); 573 if(c=="("){ 574 eatSuffix(stream, 2); 575 return tokenChain(stream,state,[")"],"bracket");} 576 if(c=="["){ 577 eatSuffix(stream, 2); 578 return tokenChain(stream,state,["]"],"bracket");} 579 if(c=="{"){ 580 eatSuffix(stream, 2); 581 return tokenChain(stream,state,["}"],"bracket");} 582 if(c=="<"){ 583 eatSuffix(stream, 2); 584 return tokenChain(stream,state,[">"],"bracket");} 585 if(/[\^'"!~\/]/.test(c)){ 586 eatSuffix(stream, 1); 587 return tokenChain(stream,state,[stream.eat(c)],"bracket");}} 588 else if(c=="r"){ 589 c=look(stream, 1); 590 if(c=="("){ 591 eatSuffix(stream, 2); 592 return tokenChain(stream,state,[")"],RXstyle,RXmodifiers);} 593 if(c=="["){ 594 eatSuffix(stream, 2); 595 return tokenChain(stream,state,["]"],RXstyle,RXmodifiers);} 596 if(c=="{"){ 597 eatSuffix(stream, 2); 598 return tokenChain(stream,state,["}"],RXstyle,RXmodifiers);} 599 if(c=="<"){ 600 eatSuffix(stream, 2); 601 return tokenChain(stream,state,[">"],RXstyle,RXmodifiers);} 602 if(/[\^'"!~\/]/.test(c)){ 603 eatSuffix(stream, 1); 604 return tokenChain(stream,state,[stream.eat(c)],RXstyle,RXmodifiers);}} 605 else if(/[\^'"!~\/(\[{<]/.test(c)){ 606 if(c=="("){ 607 eatSuffix(stream, 1); 608 return tokenChain(stream,state,[")"],"string");} 609 if(c=="["){ 610 eatSuffix(stream, 1); 611 return tokenChain(stream,state,["]"],"string");} 612 if(c=="{"){ 613 eatSuffix(stream, 1); 614 return tokenChain(stream,state,["}"],"string");} 615 if(c=="<"){ 616 eatSuffix(stream, 1); 617 return tokenChain(stream,state,[">"],"string");} 618 if(/[\^'"!~\/]/.test(c)){ 619 return tokenChain(stream,state,[stream.eat(c)],"string");}}}} 620 if(ch=="m"){ 621 var c=look(stream, -2); 622 if(!(c&&/\w/.test(c))){ 623 c=stream.eat(/[(\[{<\^'"!~\/]/); 624 if(c){ 625 if(/[\^'"!~\/]/.test(c)){ 626 return tokenChain(stream,state,[c],RXstyle,RXmodifiers);} 627 if(c=="("){ 628 return tokenChain(stream,state,[")"],RXstyle,RXmodifiers);} 629 if(c=="["){ 630 return tokenChain(stream,state,["]"],RXstyle,RXmodifiers);} 631 if(c=="{"){ 632 return tokenChain(stream,state,["}"],RXstyle,RXmodifiers);} 633 if(c=="<"){ 634 return tokenChain(stream,state,[">"],RXstyle,RXmodifiers);}}}} 635 if(ch=="s"){ 636 var c=/[\/>\]})\w]/.test(look(stream, -2)); 637 if(!c){ 638 c=stream.eat(/[(\[{<\^'"!~\/]/); 639 if(c){ 640 if(c=="[") 641 return tokenChain(stream,state,["]","]"],RXstyle,RXmodifiers); 642 if(c=="{") 643 return tokenChain(stream,state,["}","}"],RXstyle,RXmodifiers); 644 if(c=="<") 645 return tokenChain(stream,state,[">",">"],RXstyle,RXmodifiers); 646 if(c=="(") 647 return tokenChain(stream,state,[")",")"],RXstyle,RXmodifiers); 648 return tokenChain(stream,state,[c,c],RXstyle,RXmodifiers);}}} 649 if(ch=="y"){ 650 var c=/[\/>\]})\w]/.test(look(stream, -2)); 651 if(!c){ 652 c=stream.eat(/[(\[{<\^'"!~\/]/); 653 if(c){ 654 if(c=="[") 655 return tokenChain(stream,state,["]","]"],RXstyle,RXmodifiers); 656 if(c=="{") 657 return tokenChain(stream,state,["}","}"],RXstyle,RXmodifiers); 658 if(c=="<") 659 return tokenChain(stream,state,[">",">"],RXstyle,RXmodifiers); 660 if(c=="(") 661 return tokenChain(stream,state,[")",")"],RXstyle,RXmodifiers); 662 return tokenChain(stream,state,[c,c],RXstyle,RXmodifiers);}}} 663 if(ch=="t"){ 664 var c=/[\/>\]})\w]/.test(look(stream, -2)); 665 if(!c){ 666 c=stream.eat("r");if(c){ 667 c=stream.eat(/[(\[{<\^'"!~\/]/); 668 if(c){ 669 if(c=="[") 670 return tokenChain(stream,state,["]","]"],RXstyle,RXmodifiers); 671 if(c=="{") 672 return tokenChain(stream,state,["}","}"],RXstyle,RXmodifiers); 673 if(c=="<") 674 return tokenChain(stream,state,[">",">"],RXstyle,RXmodifiers); 675 if(c=="(") 676 return tokenChain(stream,state,[")",")"],RXstyle,RXmodifiers); 677 return tokenChain(stream,state,[c,c],RXstyle,RXmodifiers);}}}} 678 if(ch=="`"){ 679 return tokenChain(stream,state,[ch],"variable-2");} 680 if(ch=="/"){ 681 if(!/~\s*$/.test(prefix(stream))) 682 return "operator"; 683 else 684 return tokenChain(stream,state,[ch],RXstyle,RXmodifiers);} 685 if(ch=="$"){ 686 var p=stream.pos; 687 if(stream.eatWhile(/\d/)||stream.eat("{")&&stream.eatWhile(/\d/)&&stream.eat("}")) 688 return "variable-2"; 689 else 690 stream.pos=p;} 691 if(/[$@%]/.test(ch)){ 692 var p=stream.pos; 693 if(stream.eat("^")&&stream.eat(/[A-Z]/)||!/[@$%&]/.test(look(stream, -2))&&stream.eat(/[=|\\\-#?@;:&`~\^!\[\]*'"$+.,\/<>()]/)){ 694 var c=stream.current(); 695 if(PERL[c]) 696 return "variable-2";} 697 stream.pos=p;} 698 if(/[$@%&]/.test(ch)){ 699 if(stream.eatWhile(/[\w$]/)||stream.eat("{")&&stream.eatWhile(/[\w$]/)&&stream.eat("}")){ 700 var c=stream.current(); 701 if(PERL[c]) 702 return "variable-2"; 703 else 704 return "variable";}} 705 if(ch=="#"){ 706 if(look(stream, -2)!="$"){ 707 stream.skipToEnd(); 708 return "comment";}} 709 if(/[:+\-\^*$&%@=<>!?|\/~\.]/.test(ch)){ 710 var p=stream.pos; 711 stream.eatWhile(/[:+\-\^*$&%@=<>!?|\/~\.]/); 712 if(PERL[stream.current()]) 713 return "operator"; 714 else 715 stream.pos=p;} 716 if(ch=="_"){ 717 if(stream.pos==1){ 718 if(suffix(stream, 6)=="_END__"){ 719 return tokenChain(stream,state,['\0'],"comment");} 720 else if(suffix(stream, 7)=="_DATA__"){ 721 return tokenChain(stream,state,['\0'],"variable-2");} 722 else if(suffix(stream, 7)=="_C__"){ 723 return tokenChain(stream,state,['\0'],"string");}}} 724 if(/\w/.test(ch)){ 725 var p=stream.pos; 726 if(look(stream, -2)=="{"&&(look(stream, 0)=="}"||stream.eatWhile(/\w/)&&look(stream, 0)=="}")) 727 return "string"; 728 else 729 stream.pos=p;} 730 if(/[A-Z]/.test(ch)){ 731 var l=look(stream, -2); 732 var p=stream.pos; 733 stream.eatWhile(/[A-Z_]/); 734 if(/[\da-z]/.test(look(stream, 0))){ 735 stream.pos=p;} 736 else{ 737 var c=PERL[stream.current()]; 738 if(!c) 739 return "meta"; 740 if(c[1]) 741 c=c[0]; 742 if(l!=":"){ 743 if(c==1) 744 return "keyword"; 745 else if(c==2) 746 return "def"; 747 else if(c==3) 748 return "atom"; 749 else if(c==4) 750 return "operator"; 751 else if(c==5) 752 return "variable-2"; 753 else 754 return "meta";} 755 else 756 return "meta";}} 757 if(/[a-zA-Z_]/.test(ch)){ 758 var l=look(stream, -2); 759 stream.eatWhile(/\w/); 760 var c=PERL[stream.current()]; 761 if(!c) 762 return "meta"; 763 if(c[1]) 764 c=c[0]; 765 if(l!=":"){ 766 if(c==1) 767 return "keyword"; 768 else if(c==2) 769 return "def"; 770 else if(c==3) 771 return "atom"; 772 else if(c==4) 773 return "operator"; 774 else if(c==5) 775 return "variable-2"; 776 else 777 return "meta";} 778 else 779 return "meta";} 780 return null;} 781 782 return { 783 startState: function() { 784 return { 785 tokenize: tokenPerl, 786 chain: null, 787 style: null, 788 tail: null 789 }; 790 }, 791 token: function(stream, state) { 792 return (state.tokenize || tokenPerl)(stream, state); 793 }, 794 lineComment: '#' 795 }; 796 }); 797 798 CodeMirror.registerHelper("wordChars", "perl", /[\w$]/); 799 800 CodeMirror.defineMIME("text/x-perl", "perl"); 801 802 // it's like "peek", but need for look-ahead or look-behind if index < 0 803 function look(stream, c){ 804 return stream.string.charAt(stream.pos+(c||0)); 805 } 806 807 // return a part of prefix of current stream from current position 808 function prefix(stream, c){ 809 if(c){ 810 var x=stream.pos-c; 811 return stream.string.substr((x>=0?x:0),c);} 812 else{ 813 return stream.string.substr(0,stream.pos-1); 814 } 815 } 816 817 // return a part of suffix of current stream from current position 818 function suffix(stream, c){ 819 var y=stream.string.length; 820 var x=y-stream.pos+1; 821 return stream.string.substr(stream.pos,(c&&c<y?c:x)); 822 } 823 824 // eating and vomiting a part of stream from current position 825 function eatSuffix(stream, c){ 826 var x=stream.pos+c; 827 var y; 828 if(x<=0) 829 stream.pos=0; 830 else if(x>=(y=stream.string.length-1)) 831 stream.pos=y; 832 else 833 stream.pos=x; 834 } 835 836 });
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