| [d565449] | 1 | 'use strict';
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| 2 |
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| 3 | var $TypeError = require('es-errors/type');
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| 4 | // var $BigInt = GetIntrinsic('%BigInt%', true);
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| 5 | // var $pow = GetIntrinsic('%Math.pow%');
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| 6 |
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| 7 | // var BinaryAnd = require('./BinaryAnd');
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| 8 | // var BinaryOr = require('./BinaryOr');
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| 9 | // var BinaryXor = require('./BinaryXor');
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| 10 | // var modulo = require('./modulo');
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| 11 |
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| 12 | // var zero = $BigInt && $BigInt(0);
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| 13 | // var negOne = $BigInt && $BigInt(-1);
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| 14 | // var two = $BigInt && $BigInt(2);
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| 15 |
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| 16 | // https://262.ecma-international.org/11.0/#sec-bigintbitwiseop
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| 17 |
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| 18 | module.exports = function BigIntBitwiseOp(op, x, y) {
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| 19 | if (op !== '&' && op !== '|' && op !== '^') {
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| 20 | throw new $TypeError('Assertion failed: `op` must be `&`, `|`, or `^`');
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| 21 | }
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| 22 | if (typeof x !== 'bigint' || typeof y !== 'bigint') {
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| 23 | throw new $TypeError('`x` and `y` must be BigInts');
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| 24 | }
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| 25 |
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| 26 | if (op === '&') {
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| 27 | return x & y;
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| 28 | }
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| 29 | if (op === '|') {
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| 30 | return x | y;
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| 31 | }
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| 32 | return x ^ y;
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| 33 | /*
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| 34 | var result = zero;
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| 35 | var shift = 0;
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| 36 | while (x !== zero && x !== negOne && y !== zero && y !== negOne) {
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| 37 | var xDigit = modulo(x, two);
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| 38 | var yDigit = modulo(y, two);
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| 39 | if (op === '&') {
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| 40 | result += $pow(2, shift) * BinaryAnd(xDigit, yDigit);
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| 41 | } else if (op === '|') {
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| 42 | result += $pow(2, shift) * BinaryOr(xDigit, yDigit);
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| 43 | } else if (op === '^') {
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| 44 | result += $pow(2, shift) * BinaryXor(xDigit, yDigit);
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| 45 | }
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| 46 | shift += 1;
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| 47 | x = (x - xDigit) / two;
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| 48 | y = (y - yDigit) / two;
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| 49 | }
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| 50 | var tmp;
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| 51 | if (op === '&') {
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| 52 | tmp = BinaryAnd(modulo(x, two), modulo(y, two));
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| 53 | } else if (op === '|') {
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| 54 | tmp = BinaryAnd(modulo(x, two), modulo(y, two));
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| 55 | } else {
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| 56 | tmp = BinaryXor(modulo(x, two), modulo(y, two));
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| 57 | }
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| 58 | if (tmp !== 0) {
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| 59 | result -= $pow(2, shift);
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| 60 | }
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| 61 | return result;
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| 62 | */
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| 63 | };
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