923 lines
40 KiB
JavaScript
923 lines
40 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
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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
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'substr': 1, // - get or alter a portion of a stirng
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symlink: 1, // - create a symbolic link to a file
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syscall: 1, // - execute an arbitrary system call
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sysopen: 1, // - open a file, pipe, or descriptor
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sysread: 1, // - fixed-length unbuffered input from a filehandle
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sysseek: 1, // - position I/O pointer on handle used with sysread and syswrite
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system: 1, // - run a separate program
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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;
|
|
}
|
|
|
|
}); |