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JS: fix runtime for Safari

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This commit is contained in:
Alexey Andreev 2021-03-22 15:13:40 +03:00
parent 08092d05fc
commit eb495182d2
1 changed files with 10 additions and 3 deletions
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13
core/src/main/resources/org/teavm/backend/javascript/runtime.js
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@ -670,10 +670,17 @@ if (typeof BigInt !== 'function') {
} else {
$rt_doubleToLongBits = function(n) {
$rt_numberConversionView.setFloat64(0, n, true);
return $rt_numberConversionView.getBigInt64(0, true);
// For compatibility with Safari
var lo = $rt_numberConversionView.getInt32(0, true);
var hi = $rt_numberConversionView.getInt32(4, true);
return BigInt.asIntN(64, BigInt.asUintN(32, BigInt(lo)) | (BigInt(hi) << BigInt(32)));
}
$rt_longBitsToDouble = function(n) {
$rt_numberConversionView.setBigInt64(0, n, true);
// For compatibility with Safari
var hi = Number(BigInt.asIntN(32, n >> BigInt(32)));
var lo = Number(BigInt.asIntN(32, n & BigInt(0xFFFFFFFF)));
$rt_numberConversionView.setInt32(0, lo, true);
$rt_numberConversionView.setInt32(4, hi, true);
return $rt_numberConversionView.getFloat64(0, true);
}
}
@ -806,7 +813,7 @@ if (typeof BigInt !== "function") {
} else {
Long_ZERO = BigInt(0);
Long_create = function(lo, hi) {
return BigInt.asIntN(64, BigInt(lo) | (BigInt(hi) << BigInt(32)));
return BigInt.asIntN(64, BigInt.asUintN(32, BigInt(lo)) | (BigInt(hi) << BigInt(32)));
}
Long_fromInt = function(val) {
return BigInt(val);