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25 lines
526 B
JavaScript
25 lines
526 B
JavaScript
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/**
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* Represents a location in a Source.
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*/
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/**
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* Takes a Source and a UTF-8 character offset, and returns the corresponding
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* line and column as a SourceLocation.
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*/
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export function getLocation(source, position) {
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var lineRegexp = /\r\n|[\n\r]/g;
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var line = 1;
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var column = position + 1;
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var match;
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while ((match = lineRegexp.exec(source.body)) && match.index < position) {
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line += 1;
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column = position + 1 - (match.index + match[0].length);
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}
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return {
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line: line,
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column: column
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};
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}
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