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41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
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/**
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Definition of the SyntaxErrorEx class.
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@module syntax-error-ex.js
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*/
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(function() {
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/**
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Represents a SyntaxError exception with line and column info.
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Collect syntax error information from the provided exception object. The
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JavaScript `SyntaxError` exception isn't interpreted uniformly across environ-
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ments, so we first check for a .lineNumber and .columnNumber and, if that's
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not present, fall back to the JSONLint library, which provides that info.
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See: http://stackoverflow.com/q/13323356
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@class SyntaxErrorEx
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*/
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module.exports = function SyntaxErrorEx( ex, rawData ) {
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var lineNum = null, colNum = null;
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if( ex.lineNumber !== undefined && ex.lineNumber !== null ) {
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lineNum = ex.lineNumber;
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}
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if( ex.columnNumber !== undefined && ex.columnNumber !== null ) {
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colNum = ex.columnNumber;
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}
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if( lineNum === null || colNum === null ) {
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var JSONLint = require('json-lint');
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var lint = JSONLint( rawData, { comments: false } );
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if( lineNum === null ) lineNum = (lint.error ? lint.line : '???');
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if( colNum === null ) colNum = (lint.error ? lint.character : '???');
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}
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this.line = lineNum;
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this.col = colNum;
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};
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}());
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