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Annotation of loncom/html/adm/LC_math_editor/src/token.js, revision 1.2

1.1       damieng     1: /*
                      2: 
                      3: Copyright (C) 2014  Michigan State University Board of Trustees
                      4: 
                      5: The JavaScript code in this page is free software: you can
                      6: redistribute it and/or modify it under the terms of the GNU
                      7: General Public License (GNU GPL) as published by the Free Software
                      8: Foundation, either version 3 of the License, or (at your option)
                      9: any later version.  The code is distributed WITHOUT ANY WARRANTY;
                     10: without even the implied warranty of MERCHANTABILITY or FITNESS
                     11: FOR A PARTICULAR PURPOSE.  See the GNU GPL for more details.
                     12: 
                     13: As additional permission under GNU GPL version 3 section 7, you
                     14: may distribute non-source (e.g., minimized or compacted) forms of
                     15: that code without the copy of the GNU GPL normally required by
                     16: section 4, provided you include this license notice and a URL
                     17: through which recipients can access the Corresponding Source.
                     18: 
                     19: */
                     20: 
1.2     ! damieng    21: "use strict";
        !            22: 
1.1       damieng    23: /**
                     24:  * A token from the equation text.
                     25:  * @constructor
                     26:  * @param {number} type - Token type: Token.UNKNOWN, NAME, NUMBER, OPERATOR
                     27:  * @param {number} from - Index of the token's first character
                     28:  * @param {number} to - Index of the token's last character
                     29:  * @param {string} value - String content of the token
                     30:  * @param {Operator} op - The matching operator, possibly null
                     31:  */
                     32: function Token(type, from, to, value, op) {
                     33:     this.type = type;
                     34:     this.from = from;
                     35:     this.to = to;
                     36:     this.value = value;
                     37:     this.op = op;
                     38: }
                     39: 
                     40: Token.UNKNOWN = 0;
                     41: Token.NAME = 1;
                     42: Token.NUMBER = 2;
                     43: Token.OPERATOR = 3;