838 lines
55 KiB
JavaScript
838 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 ownership 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
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stat :1, // - get a file's status information
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state :1, // - declare and assign a state variable (persistent lexical scoping)
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study :1, // - optimize input data for repeated searches
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'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;
|
|
}
|
|
|
|
});
|