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LibJS+LibCrypto: Allow '_' as a numeric literal separator :^)

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This patch adds support for the NumericLiteralSeparator concept from
the ECMAScript grammar.
This commit is contained in:
Andreas Kling 2021-06-26 16:30:05 +02:00
parent 527c639c1f
commit 49018553d3
4 changed files with 61 additions and 15 deletions
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8
Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.cpp
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@ -72,6 +72,8 @@ UnsignedBigInteger UnsignedBigInteger::from_base10(const String& str)
UnsignedBigInteger ten { 10 };
for (auto& c : str) {
if (c == '_')
continue;
result = result.multiplied_by(ten).plus(parse_ascii_digit(c));
}
return result;
@ -83,6 +85,8 @@ UnsignedBigInteger UnsignedBigInteger::from_base2(const String& str)
UnsignedBigInteger two { 2 };
for (auto& c : str) {
if (c == '_')
continue;
result = result.multiplied_by(two).plus(parse_ascii_digit(c));
}
return result;
@ -94,6 +98,8 @@ UnsignedBigInteger UnsignedBigInteger::from_base8(const String& str)
UnsignedBigInteger eight { 8 };
for (auto& c : str) {
if (c == '_')
continue;
result = result.multiplied_by(eight).plus(parse_ascii_digit(c));
}
return result;
@ -105,6 +111,8 @@ UnsignedBigInteger UnsignedBigInteger::from_base16(const String& str)
UnsignedBigInteger sixteen { 16 };
for (auto& c : str) {
if (c == '_')
continue;
result = result.multiplied_by(sixteen).plus(parse_ascii_hex_digit(c));
}
return result;