22 lines
608 B
JavaScript
22 lines
608 B
JavaScript
/* @flow */
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import { getLineInfo } from "../util/location";
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import Parser from "./index";
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const pp = Parser.prototype;
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// This function is used to raise exceptions on parse errors. It
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// takes an offset integer (into the current `input`) to indicate
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// the location of the error, attaches the position to the end
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// of the error message, and then raises a `SyntaxError` with that
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// message.
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pp.raise = function (pos, message) {
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let loc = getLineInfo(this.input, pos);
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message += ` (${loc.line}:${loc.column})`;
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let err = new SyntaxError(message);
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err.pos = pos;
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err.loc = loc;
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throw err;
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};
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