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327 lines
12 KiB
JavaScript
327 lines
12 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Ajax.org Code Editor (ACE).
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*
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* The Initial Developer of the Original Code is
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* Ajax.org B.V.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Fabian Jakobs <fabian AT ajax DOT org>
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* Mihai Sucan <mihai DOT sucan AT gmail DOT com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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"use strict";
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var oop = require("../lib/oop");
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var lang = require("../lib/lang");
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var unicode = require("../unicode");
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var DocCommentHighlightRules = require("./doc_comment_highlight_rules").DocCommentHighlightRules;
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var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
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var JavaScriptHighlightRules = function() {
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// see: https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects
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var globals = lang.arrayToMap(
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// Constructors
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("Array|Boolean|Date|Function|Iterator|Number|Object|RegExp|String|Proxy|" +
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// E4X
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"Namespace|QName|XML|XMLList|" +
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"ArrayBuffer|Float32Array|Float64Array|Int16Array|Int32Array|Int8Array|" +
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"Uint16Array|Uint32Array|Uint8Array|Uint8ClampedArray|" +
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// Errors
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"Error|EvalError|InternalError|RangeError|ReferenceError|StopIteration|" +
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"SyntaxError|TypeError|URIError|" +
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// Non-constructor functions
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"decodeURI|decodeURIComponent|encodeURI|encodeURIComponent|eval|isFinite|" +
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"isNaN|parseFloat|parseInt|" +
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// Other
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"JSON|Math|" +
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// Pseudo
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"this|arguments|prototype|window|document"
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).split("|")
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);
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var keywords = lang.arrayToMap(
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("break|case|catch|continue|default|delete|do|else|finally|for|function|" +
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"if|in|instanceof|new|return|switch|throw|try|typeof|let|var|while|with|" +
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"const|yield|import|get|set").split("|")
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);
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// keywords which can be followed by regular expressions
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var kwBeforeRe = "case|do|else|finally|in|instanceof|return|throw|try|typeof|yield";
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var deprecated = lang.arrayToMap(
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("__parent__|__count__|escape|unescape|with|__proto__").split("|")
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);
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var definitions = lang.arrayToMap(("const|let|var|function").split("|"));
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var buildinConstants = lang.arrayToMap(
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("null|Infinity|NaN|undefined").split("|")
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);
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var futureReserved = lang.arrayToMap(
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("class|enum|extends|super|export|implements|private|" +
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"public|interface|package|protected|static").split("|")
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);
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// TODO: Unicode escape sequences
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var identifierRe = "[" + unicode.packages.L + "\\$_]["
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+ unicode.packages.L
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+ unicode.packages.Mn + unicode.packages.Mc
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+ unicode.packages.Nd
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+ unicode.packages.Pc + "\\$_]*\\b";
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// regexp must not have capturing parentheses. Use (?:) instead.
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// regexps are ordered -> the first match is used
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this.$rules = {
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"start" : [
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{
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token : "comment",
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regex : "\\/\\/.*$"
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},
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new DocCommentHighlightRules().getStartRule("doc-start"),
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{
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token : "comment", // multi line comment
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merge : true,
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regex : "\\/\\*",
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next : "comment"
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}, {
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token : "string", // single line
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regex : '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
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}, {
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token : "string", // multi line string start
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merge : true,
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regex : '["].*\\\\$',
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next : "qqstring"
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}, {
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token : "string", // single line
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regex : "['](?:(?:\\\\.)|(?:[^'\\\\]))*?[']"
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}, {
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token : "string", // multi line string start
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merge : true,
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regex : "['].*\\\\$",
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next : "qstring"
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}, {
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token : "constant.numeric", // hex
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regex : "0[xX][0-9a-fA-F]+\\b"
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}, {
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token : "constant.numeric", // float
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regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
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}, {
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token : ["keyword.definition", "text", "entity.name.function"],
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regex : "(function)(\\s+)(" + identifierRe + ")"
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}, {
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token : "constant.language.boolean",
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regex : "(?:true|false)\\b"
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}, {
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token : "keyword",
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regex : "(?:" + kwBeforeRe + ")\\b",
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next : "regex_allowed"
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}, {
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token : function(value) {
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if (globals.hasOwnProperty(value))
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return "variable.language";
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else if (deprecated.hasOwnProperty(value))
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return "invalid.deprecated";
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else if (definitions.hasOwnProperty(value))
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return "keyword.definition";
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else if (keywords.hasOwnProperty(value))
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return "keyword";
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else if (buildinConstants.hasOwnProperty(value))
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return "constant.language";
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else if (futureReserved.hasOwnProperty(value))
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return "invalid.illegal";
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else if (value == "debugger")
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return "invalid.deprecated";
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else
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return "identifier";
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},
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regex : identifierRe
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}, {
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token : "keyword.operator",
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regex : "!|\\$|%|&|\\*|\\-\\-|\\-|\\+\\+|\\+|~|===|==|=|!=|!==|<=|>=|<<=|>>=|>>>=|<>|<|>|!|&&|\\|\\||\\?\\:|\\*=|%=|\\+=|\\-=|&=|\\^=|\\b(?:in|instanceof|new|delete|typeof|void)",
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next : "regex_allowed"
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}, {
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token : "punctuation.operator",
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regex : "\\?|\\:|\\,|\\;|\\.",
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next : "regex_allowed"
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}, {
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token : "paren.lparen",
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regex : "[[({]",
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next : "regex_allowed"
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}, {
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token : "paren.rparen",
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regex : "[\\])}]"
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}, {
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token : "keyword.operator",
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regex : "\\/=?",
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next : "regex_allowed"
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}, {
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token: "comment",
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regex: "^#!.*$"
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}, {
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token : "text",
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regex : "\\s+"
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}
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],
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// regular expressions are only allowed after certain tokens. This
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// makes sure we don't mix up regexps with the divison operator
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"regex_allowed": [
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{
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token : "comment", // multi line comment
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merge : true,
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regex : "\\/\\*",
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next : "comment_regex_allowed"
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}, {
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token : "comment",
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regex : "\\/\\/.*$"
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}, {
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token: "string.regexp",
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regex: "\\/",
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next: "regex",
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merge: true
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}, {
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token : "text",
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regex : "\\s+"
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}, {
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// immediately return to the start mode without matching
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// anything
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token: "empty",
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regex: "",
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next: "start"
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}
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],
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"regex": [
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{
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token: "regexp.keyword.operator",
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regex: "\\\\(?:u[\\da-fA-F]{4}|x[\\da-fA-F]{2}|.)",
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next: "regex"
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}, {
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// flag
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token: "string.regexp",
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regex: "/\\w*",
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next: "start",
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merge: true
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}, {
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token: "string.regexp",
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regex: "[^\\\\/\\[]+",
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next: "regex",
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merge: true
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}, {
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token: "string.regexp.charachterclass",
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regex: "\\[",
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next: "regex_character_class",
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merge: true
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}, {
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token: "empty",
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regex: "",
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next: "start"
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}
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],
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"regex_character_class": [
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{
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token: "regexp.keyword.operator",
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regex: "\\\\(?:u[\\da-fA-F]{4}|x[\\da-fA-F]{2}|.)",
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next: "regex_character_class"
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}, {
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token: "string.regexp.charachterclass",
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regex: "]",
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next: "regex",
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merge: true
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}, {
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token: "string.regexp.charachterclass",
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regex: "[^\\\\\\]]+",
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next: "regex_character_class",
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merge: true
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}, {
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token: "empty",
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regex: "",
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next: "start"
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}
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],
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"comment_regex_allowed" : [
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{
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token : "comment", // closing comment
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regex : ".*?\\*\\/",
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merge : true,
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next : "regex_allowed"
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}, {
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token : "comment", // comment spanning whole line
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merge : true,
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regex : ".+"
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}
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],
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"comment" : [
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{
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token : "comment", // closing comment
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regex : ".*?\\*\\/",
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merge : true,
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next : "start"
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}, {
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token : "comment", // comment spanning whole line
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merge : true,
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regex : ".+"
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}
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],
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"qqstring" : [
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{
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token : "string",
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regex : '(?:(?:\\\\.)|(?:[^"\\\\]))*?"',
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next : "start"
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}, {
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token : "string",
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merge : true,
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regex : '.+'
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}
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],
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"qstring" : [
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{
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token : "string",
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regex : "(?:(?:\\\\.)|(?:[^'\\\\]))*?'",
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next : "start"
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}, {
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token : "string",
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merge : true,
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regex : '.+'
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}
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]
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};
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this.embedRules(DocCommentHighlightRules, "doc-",
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[ new DocCommentHighlightRules().getEndRule("start") ]);
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};
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oop.inherits(JavaScriptHighlightRules, TextHighlightRules);
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exports.JavaScriptHighlightRules = JavaScriptHighlightRules;
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});
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