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https://github.com/renbaoshuo/S2OJ.git
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96d4a3ecf7
Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
833 lines
55 KiB
JavaScript
833 lines
55 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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// CodeMirror2 mode/perl/perl.js (text/x-perl) beta 0.10 (2011-11-08)
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// This is a part of CodeMirror from https://github.com/sabaca/CodeMirror_mode_perl (mail@sabaca.com)
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("perl",function(){
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// http://perldoc.perl.org
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var PERL={ // null - magic touch
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// 1 - keyword
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// 2 - def
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// 3 - atom
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// 4 - operator
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// 5 - variable-2 (predefined)
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// [x,y] - x=1,2,3; y=must be defined if x{...}
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// PERL operators
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'->' : 4,
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'++' : 4,
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'--' : 4,
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'**' : 4,
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// ! ~ \ and unary + and -
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'=~' : 4,
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'!~' : 4,
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'*' : 4,
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'/' : 4,
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'%' : 4,
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'x' : 4,
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'+' : 4,
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'-' : 4,
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'.' : 4,
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'<<' : 4,
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'>>' : 4,
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// named unary operators
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'<' : 4,
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'>' : 4,
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'<=' : 4,
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'>=' : 4,
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'lt' : 4,
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'gt' : 4,
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'le' : 4,
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'ge' : 4,
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'==' : 4,
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'!=' : 4,
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'<=>' : 4,
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'eq' : 4,
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'ne' : 4,
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'cmp' : 4,
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'~~' : 4,
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'&' : 4,
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'|' : 4,
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'^' : 4,
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'&&' : 4,
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'||' : 4,
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'//' : 4,
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'..' : 4,
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'...' : 4,
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'?' : 4,
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':' : 4,
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'=' : 4,
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'+=' : 4,
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'-=' : 4,
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'*=' : 4, // etc. ???
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',' : 4,
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'=>' : 4,
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'::' : 4,
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// list operators (rightward)
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'not' : 4,
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'and' : 4,
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'or' : 4,
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'xor' : 4,
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// 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?;)
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'BEGIN' : [5,1],
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'END' : [5,1],
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'PRINT' : [5,1],
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'PRINTF' : [5,1],
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'GETC' : [5,1],
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'READ' : [5,1],
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'READLINE' : [5,1],
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'DESTROY' : [5,1],
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'TIE' : [5,1],
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'TIEHANDLE' : [5,1],
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'UNTIE' : [5,1],
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'STDIN' : 5,
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'STDIN_TOP' : 5,
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'STDOUT' : 5,
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'STDOUT_TOP' : 5,
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'STDERR' : 5,
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'STDERR_TOP' : 5,
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'$ARG' : 5,
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'$_' : 5,
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'@ARG' : 5,
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'@_' : 5,
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'$LIST_SEPARATOR' : 5,
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'$"' : 5,
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'$PROCESS_ID' : 5,
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'$PID' : 5,
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'$$' : 5,
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'$REAL_GROUP_ID' : 5,
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'$GID' : 5,
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'$(' : 5,
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'$EFFECTIVE_GROUP_ID' : 5,
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'$EGID' : 5,
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'$)' : 5,
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'$PROGRAM_NAME' : 5,
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'$0' : 5,
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'$SUBSCRIPT_SEPARATOR' : 5,
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'$SUBSEP' : 5,
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'$;' : 5,
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'$REAL_USER_ID' : 5,
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'$UID' : 5,
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'$<' : 5,
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'$EFFECTIVE_USER_ID' : 5,
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'$EUID' : 5,
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'$>' : 5,
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'$a' : 5,
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'$b' : 5,
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'$COMPILING' : 5,
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'$^C' : 5,
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'$DEBUGGING' : 5,
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'$^D' : 5,
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'${^ENCODING}' : 5,
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'$ENV' : 5,
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'%ENV' : 5,
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'$SYSTEM_FD_MAX' : 5,
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'$^F' : 5,
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'@F' : 5,
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'${^GLOBAL_PHASE}' : 5,
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'$^H' : 5,
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'%^H' : 5,
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'@INC' : 5,
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'%INC' : 5,
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'$INPLACE_EDIT' : 5,
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'$^I' : 5,
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'$^M' : 5,
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'$OSNAME' : 5,
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'$^O' : 5,
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'${^OPEN}' : 5,
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'$PERLDB' : 5,
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'$^P' : 5,
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'$SIG' : 5,
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'%SIG' : 5,
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'$BASETIME' : 5,
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'$^T' : 5,
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'${^TAINT}' : 5,
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'${^UNICODE}' : 5,
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'${^UTF8CACHE}' : 5,
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'${^UTF8LOCALE}' : 5,
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'$PERL_VERSION' : 5,
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'$^V' : 5,
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'${^WIN32_SLOPPY_STAT}' : 5,
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'$EXECUTABLE_NAME' : 5,
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'$^X' : 5,
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'$1' : 5, // - regexp $1, $2...
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'$MATCH' : 5,
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'$&' : 5,
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'${^MATCH}' : 5,
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'$PREMATCH' : 5,
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'$`' : 5,
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'${^PREMATCH}' : 5,
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'$POSTMATCH' : 5,
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"$'" : 5,
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'${^POSTMATCH}' : 5,
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'$LAST_PAREN_MATCH' : 5,
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'$+' : 5,
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'$LAST_SUBMATCH_RESULT' : 5,
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'$^N' : 5,
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'@LAST_MATCH_END' : 5,
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'@+' : 5,
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'%LAST_PAREN_MATCH' : 5,
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'%+' : 5,
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'@LAST_MATCH_START' : 5,
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'@-' : 5,
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'%LAST_MATCH_START' : 5,
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'%-' : 5,
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'$LAST_REGEXP_CODE_RESULT' : 5,
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'$^R' : 5,
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'${^RE_DEBUG_FLAGS}' : 5,
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'${^RE_TRIE_MAXBUF}' : 5,
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'$ARGV' : 5,
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'@ARGV' : 5,
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'ARGV' : 5,
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'ARGVOUT' : 5,
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'$OUTPUT_FIELD_SEPARATOR' : 5,
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'$OFS' : 5,
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'$,' : 5,
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'$INPUT_LINE_NUMBER' : 5,
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'$NR' : 5,
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'$.' : 5,
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'$INPUT_RECORD_SEPARATOR' : 5,
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'$RS' : 5,
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'$/' : 5,
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'$OUTPUT_RECORD_SEPARATOR' : 5,
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'$ORS' : 5,
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'$\\' : 5,
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'$OUTPUT_AUTOFLUSH' : 5,
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'$|' : 5,
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'$ACCUMULATOR' : 5,
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'$^A' : 5,
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'$FORMAT_FORMFEED' : 5,
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'$^L' : 5,
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'$FORMAT_PAGE_NUMBER' : 5,
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'$%' : 5,
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'$FORMAT_LINES_LEFT' : 5,
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'$-' : 5,
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'$FORMAT_LINE_BREAK_CHARACTERS' : 5,
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'$:' : 5,
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'$FORMAT_LINES_PER_PAGE' : 5,
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'$=' : 5,
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'$FORMAT_TOP_NAME' : 5,
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'$^' : 5,
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'$FORMAT_NAME' : 5,
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'$~' : 5,
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'${^CHILD_ERROR_NATIVE}' : 5,
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'$EXTENDED_OS_ERROR' : 5,
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'$^E' : 5,
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'$EXCEPTIONS_BEING_CAUGHT' : 5,
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'$^S' : 5,
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'$WARNING' : 5,
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'$^W' : 5,
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'${^WARNING_BITS}' : 5,
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'$OS_ERROR' : 5,
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'$ERRNO' : 5,
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'$!' : 5,
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'%OS_ERROR' : 5,
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'%ERRNO' : 5,
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'%!' : 5,
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'$CHILD_ERROR' : 5,
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'$?' : 5,
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'$EVAL_ERROR' : 5,
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'$@' : 5,
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'$OFMT' : 5,
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'$#' : 5,
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'$*' : 5,
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'$ARRAY_BASE' : 5,
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'$[' : 5,
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'$OLD_PERL_VERSION' : 5,
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'$]' : 5,
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// PERL blocks
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'if' :[1,1],
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elsif :[1,1],
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'else' :[1,1],
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'while' :[1,1],
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unless :[1,1],
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'for' :[1,1],
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foreach :[1,1],
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// PERL functions
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'abs' :1, // - absolute value function
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accept :1, // - accept an incoming socket connect
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alarm :1, // - schedule a SIGALRM
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'atan2' :1, // - arctangent of Y/X in the range -PI to PI
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bind :1, // - binds an address to a socket
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binmode :1, // - prepare binary files for I/O
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bless :1, // - create an object
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bootstrap :1, //
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'break' :1, // - break out of a "given" block
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caller :1, // - get context of the current subroutine call
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chdir :1, // - change your current working directory
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chmod :1, // - changes the permissions on a list of files
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chomp :1, // - remove a trailing record separator from a string
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chop :1, // - remove the last character from a string
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chown :1, // - change the owership on a list of files
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chr :1, // - get character this number represents
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chroot :1, // - make directory new root for path lookups
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close :1, // - close file (or pipe or socket) handle
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closedir :1, // - close directory handle
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connect :1, // - connect to a remote socket
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'continue' :[1,1], // - optional trailing block in a while or foreach
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'cos' :1, // - cosine function
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crypt :1, // - one-way passwd-style encryption
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dbmclose :1, // - breaks binding on a tied dbm file
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dbmopen :1, // - create binding on a tied dbm file
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'default' :1, //
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defined :1, // - test whether a value, variable, or function is defined
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'delete' :1, // - deletes a value from a hash
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die :1, // - raise an exception or bail out
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'do' :1, // - turn a BLOCK into a TERM
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dump :1, // - create an immediate core dump
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each :1, // - retrieve the next key/value pair from a hash
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endgrent :1, // - be done using group file
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endhostent :1, // - be done using hosts file
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endnetent :1, // - be done using networks file
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endprotoent :1, // - be done using protocols file
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endpwent :1, // - be done using passwd file
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endservent :1, // - be done using services file
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eof :1, // - test a filehandle for its end
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'eval' :1, // - catch exceptions or compile and run code
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'exec' :1, // - abandon this program to run another
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exists :1, // - test whether a hash key is present
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exit :1, // - terminate this program
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'exp' :1, // - raise I to a power
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fcntl :1, // - file control system call
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fileno :1, // - return file descriptor from filehandle
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flock :1, // - lock an entire file with an advisory lock
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fork :1, // - create a new process just like this one
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format :1, // - declare a picture format with use by the write() function
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formline :1, // - internal function used for formats
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getc :1, // - get the next character from the filehandle
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getgrent :1, // - get next group record
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getgrgid :1, // - get group record given group user ID
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getgrnam :1, // - get group record given group name
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gethostbyaddr :1, // - get host record given its address
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gethostbyname :1, // - get host record given name
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gethostent :1, // - get next hosts record
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getlogin :1, // - return who logged in at this tty
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getnetbyaddr :1, // - get network record given its address
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getnetbyname :1, // - get networks record given name
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getnetent :1, // - get next networks record
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getpeername :1, // - find the other end of a socket connection
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getpgrp :1, // - get process group
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getppid :1, // - get parent process ID
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getpriority :1, // - get current nice value
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getprotobyname :1, // - get protocol record given name
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getprotobynumber :1, // - get protocol record numeric protocol
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getprotoent :1, // - get next protocols record
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getpwent :1, // - get next passwd record
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getpwnam :1, // - get passwd record given user login name
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getpwuid :1, // - get passwd record given user ID
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getservbyname :1, // - get services record given its name
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getservbyport :1, // - get services record given numeric port
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getservent :1, // - get next services record
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getsockname :1, // - retrieve the sockaddr for a given socket
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getsockopt :1, // - get socket options on a given socket
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given :1, //
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glob :1, // - expand filenames using wildcards
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gmtime :1, // - convert UNIX time into record or string using Greenwich time
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'goto' :1, // - create spaghetti code
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grep :1, // - locate elements in a list test true against a given criterion
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hex :1, // - convert a string to a hexadecimal number
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'import' :1, // - patch a module's namespace into your own
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index :1, // - find a substring within a string
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'int' :1, // - get the integer portion of a number
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ioctl :1, // - system-dependent device control system call
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'join' :1, // - join a list into a string using a separator
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keys :1, // - retrieve list of indices from a hash
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kill :1, // - send a signal to a process or process group
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last :1, // - exit a block prematurely
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lc :1, // - return lower-case version of a string
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lcfirst :1, // - return a string with just the next letter in lower case
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length :1, // - return the number of bytes in a string
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'link' :1, // - create a hard link in the filesytem
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listen :1, // - register your socket as a server
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local : 2, // - create a temporary value for a global variable (dynamic scoping)
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localtime :1, // - convert UNIX time into record or string using local time
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lock :1, // - get a thread lock on a variable, subroutine, or method
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'log' :1, // - retrieve the natural logarithm for a number
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lstat :1, // - stat a symbolic link
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m :null, // - match a string with a regular expression pattern
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map :1, // - apply a change to a list to get back a new list with the changes
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mkdir :1, // - create a directory
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msgctl :1, // - SysV IPC message control operations
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msgget :1, // - get SysV IPC message queue
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msgrcv :1, // - receive a SysV IPC message from a message queue
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msgsnd :1, // - send a SysV IPC message to a message queue
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my : 2, // - declare and assign a local variable (lexical scoping)
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'new' :1, //
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next :1, // - iterate a block prematurely
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no :1, // - unimport some module symbols or semantics at compile time
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oct :1, // - convert a string to an octal number
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open :1, // - open a file, pipe, or descriptor
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opendir :1, // - open a directory
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ord :1, // - find a character's numeric representation
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our : 2, // - declare and assign a package variable (lexical scoping)
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pack :1, // - convert a list into a binary representation
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'package' :1, // - declare a separate global namespace
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pipe :1, // - open a pair of connected filehandles
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pop :1, // - remove the last element from an array and return it
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pos :1, // - find or set the offset for the last/next m//g search
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print :1, // - output a list to a filehandle
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printf :1, // - output a formatted list to a filehandle
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prototype :1, // - get the prototype (if any) of a subroutine
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push :1, // - append one or more elements to an array
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q :null, // - singly quote a string
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qq :null, // - doubly quote a string
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qr :null, // - Compile pattern
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quotemeta :null, // - quote regular expression magic characters
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qw :null, // - quote a list of words
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qx :null, // - backquote quote a string
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rand :1, // - retrieve the next pseudorandom number
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read :1, // - fixed-length buffered input from a filehandle
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readdir :1, // - get a directory from a directory handle
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readline :1, // - fetch a record from a file
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readlink :1, // - determine where a symbolic link is pointing
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readpipe :1, // - execute a system command and collect standard output
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recv :1, // - receive a message over a Socket
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redo :1, // - start this loop iteration over again
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ref :1, // - find out the type of thing being referenced
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rename :1, // - change a filename
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require :1, // - load in external functions from a library at runtime
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reset :1, // - clear all variables of a given name
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'return' :1, // - get out of a function early
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reverse :1, // - flip a string or a list
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rewinddir :1, // - reset directory handle
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rindex :1, // - right-to-left substring search
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rmdir :1, // - remove a directory
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s :null, // - replace a pattern with a string
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say :1, // - print with newline
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scalar :1, // - force a scalar context
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seek :1, // - reposition file pointer for random-access I/O
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seekdir :1, // - reposition directory pointer
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select :1, // - reset default output or do I/O multiplexing
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semctl :1, // - SysV semaphore control operations
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semget :1, // - get set of SysV semaphores
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semop :1, // - SysV semaphore operations
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send :1, // - send a message over a socket
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setgrent :1, // - prepare group file for use
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sethostent :1, // - prepare hosts file for use
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setnetent :1, // - prepare networks file for use
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setpgrp :1, // - set the process group of a process
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setpriority :1, // - set a process's nice value
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setprotoent :1, // - prepare protocols file for use
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setpwent :1, // - prepare passwd file for use
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setservent :1, // - prepare services file for use
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setsockopt :1, // - set some socket options
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shift :1, // - remove the first element of an array, and return it
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shmctl :1, // - SysV shared memory operations
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shmget :1, // - get SysV shared memory segment identifier
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shmread :1, // - read SysV shared memory
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shmwrite :1, // - write SysV shared memory
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shutdown :1, // - close down just half of a socket connection
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'sin' :1, // - return the sine of a number
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sleep :1, // - block for some number of seconds
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socket :1, // - create a socket
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socketpair :1, // - create a pair of sockets
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'sort' :1, // - sort a list of values
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splice :1, // - add or remove elements anywhere in an array
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'split' :1, // - split up a string using a regexp delimiter
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sprintf :1, // - formatted print into a string
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'sqrt' :1, // - square root function
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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(/[:+\-\^*$&%@=<>!?|\/~\.]/);
|
|
if(PERL[stream.current()])
|
|
return "operator";
|
|
else
|
|
stream.pos=p;}
|
|
if(ch=="_"){
|
|
if(stream.pos==1){
|
|
if(suffix(stream, 6)=="_END__"){
|
|
return tokenChain(stream,state,['\0'],"comment");}
|
|
else if(suffix(stream, 7)=="_DATA__"){
|
|
return tokenChain(stream,state,['\0'],"variable-2");}
|
|
else if(suffix(stream, 7)=="_C__"){
|
|
return tokenChain(stream,state,['\0'],"string");}}}
|
|
if(/\w/.test(ch)){
|
|
var p=stream.pos;
|
|
if(look(stream, -2)=="{"&&(look(stream, 0)=="}"||stream.eatWhile(/\w/)&&look(stream, 0)=="}"))
|
|
return "string";
|
|
else
|
|
stream.pos=p;}
|
|
if(/[A-Z]/.test(ch)){
|
|
var l=look(stream, -2);
|
|
var p=stream.pos;
|
|
stream.eatWhile(/[A-Z_]/);
|
|
if(/[\da-z]/.test(look(stream, 0))){
|
|
stream.pos=p;}
|
|
else{
|
|
var c=PERL[stream.current()];
|
|
if(!c)
|
|
return "meta";
|
|
if(c[1])
|
|
c=c[0];
|
|
if(l!=":"){
|
|
if(c==1)
|
|
return "keyword";
|
|
else if(c==2)
|
|
return "def";
|
|
else if(c==3)
|
|
return "atom";
|
|
else if(c==4)
|
|
return "operator";
|
|
else if(c==5)
|
|
return "variable-2";
|
|
else
|
|
return "meta";}
|
|
else
|
|
return "meta";}}
|
|
if(/[a-zA-Z_]/.test(ch)){
|
|
var l=look(stream, -2);
|
|
stream.eatWhile(/\w/);
|
|
var c=PERL[stream.current()];
|
|
if(!c)
|
|
return "meta";
|
|
if(c[1])
|
|
c=c[0];
|
|
if(l!=":"){
|
|
if(c==1)
|
|
return "keyword";
|
|
else if(c==2)
|
|
return "def";
|
|
else if(c==3)
|
|
return "atom";
|
|
else if(c==4)
|
|
return "operator";
|
|
else if(c==5)
|
|
return "variable-2";
|
|
else
|
|
return "meta";}
|
|
else
|
|
return "meta";}
|
|
return null;}
|
|
|
|
return{
|
|
startState:function(){
|
|
return{
|
|
tokenize:tokenPerl,
|
|
chain:null,
|
|
style:null,
|
|
tail:null};},
|
|
token:function(stream,state){
|
|
return (state.tokenize||tokenPerl)(stream,state);},
|
|
electricChars:"{}"};});
|
|
|
|
CodeMirror.registerHelper("wordChars", "perl", /[\w$]/);
|
|
|
|
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;
|
|
}
|
|
|
|
});
|