mirror of https://github.com/nodejs/node.git
91 lines
3.5 KiB
JavaScript
91 lines
3.5 KiB
JavaScript
/**
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* @fileoverview Contains token information.
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* @author Nicholas C. Zakas
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* @copyright 2014 Nicholas C. Zakas. All rights reserved.
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* @copyright 2013 Thaddee Tyl <thaddee.tyl@gmail.com>
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* @copyright 2011-2013 Ariya Hidayat <ariya.hidayat@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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// None!
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//------------------------------------------------------------------------------
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// Private
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//------------------------------------------------------------------------------
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var Token = {
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BooleanLiteral: 1,
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EOF: 2,
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Identifier: 3,
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Keyword: 4,
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NullLiteral: 5,
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NumericLiteral: 6,
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Punctuator: 7,
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StringLiteral: 8,
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RegularExpression: 9,
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Template: 10,
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JSXIdentifier: 11,
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JSXText: 12
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};
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var TokenName = {};
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TokenName[Token.BooleanLiteral] = "Boolean";
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TokenName[Token.EOF] = "<end>";
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TokenName[Token.Identifier] = "Identifier";
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TokenName[Token.Keyword] = "Keyword";
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TokenName[Token.NullLiteral] = "Null";
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TokenName[Token.NumericLiteral] = "Numeric";
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TokenName[Token.Punctuator] = "Punctuator";
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TokenName[Token.StringLiteral] = "String";
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TokenName[Token.RegularExpression] = "RegularExpression";
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TokenName[Token.Template] = "Template";
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TokenName[Token.JSXIdentifier] = "JSXIdentifier";
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TokenName[Token.JSXText] = "JSXText";
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// A function following one of those tokens is an expression.
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var FnExprTokens = ["(", "{", "[", "in", "typeof", "instanceof", "new",
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"return", "case", "delete", "throw", "void",
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// assignment operators
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"=", "+=", "-=", "*=", "/=", "%=", "<<=", ">>=", ">>>=",
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"&=", "|=", "^=", ",",
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// binary/unary operators
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"+", "-", "*", "/", "%", "++", "--", "<<", ">>", ">>>", "&",
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"|", "^", "!", "~", "&&", "||", "?", ":", "===", "==", ">=",
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"<=", "<", ">", "!=", "!=="];
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//------------------------------------------------------------------------------
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// Public
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//------------------------------------------------------------------------------
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module.exports = {
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Token: Token,
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TokenName: TokenName,
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FnExprTokens: FnExprTokens
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};
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