1 | // YAML error class. http://stackoverflow.com/questions/8458984
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2 | //
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3 | 'use strict';
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4 |
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5 |
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6 | function formatError(exception, compact) {
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7 | var where = '', message = exception.reason || '(unknown reason)';
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8 |
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9 | if (!exception.mark) return message;
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10 |
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11 | if (exception.mark.name) {
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12 | where += 'in "' + exception.mark.name + '" ';
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13 | }
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14 |
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15 | where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')';
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16 |
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17 | if (!compact && exception.mark.snippet) {
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18 | where += '\n\n' + exception.mark.snippet;
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19 | }
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20 |
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21 | return message + ' ' + where;
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22 | }
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23 |
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24 |
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25 | function YAMLException(reason, mark) {
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26 | // Super constructor
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27 | Error.call(this);
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28 |
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29 | this.name = 'YAMLException';
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30 | this.reason = reason;
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31 | this.mark = mark;
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32 | this.message = formatError(this, false);
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33 |
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34 | // Include stack trace in error object
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35 | if (Error.captureStackTrace) {
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36 | // Chrome and NodeJS
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37 | Error.captureStackTrace(this, this.constructor);
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38 | } else {
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39 | // FF, IE 10+ and Safari 6+. Fallback for others
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40 | this.stack = (new Error()).stack || '';
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41 | }
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42 | }
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43 |
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44 |
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45 | // Inherit from Error
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46 | YAMLException.prototype = Object.create(Error.prototype);
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47 | YAMLException.prototype.constructor = YAMLException;
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48 |
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49 |
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50 | YAMLException.prototype.toString = function toString(compact) {
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51 | return this.name + ': ' + formatError(this, compact);
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52 | };
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53 |
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54 |
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55 | module.exports = YAMLException;
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