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add more Num.bytesTo* functions

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Brendan Hansknecht 2023-03-12 01:52:56 -08:00
parent 785da377c8
commit e6964536b2
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12 changed files with 308 additions and 60 deletions
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18
crates/compiler/builtins/bitcode/src/num.zig
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@ -236,6 +236,24 @@ fn bytesToU32(arg: RocList, position: usize) u32 {
return @bitCast(u32, [_]u8{ bytes[position], bytes[position + 1], bytes[position + 2], bytes[position + 3] });
}
pub fn bytesToU64C(arg: RocList, position: usize) callconv(.C) u64 {
return @call(.{ .modifier = always_inline }, bytesToU64, .{ arg, position });
}
fn bytesToU64(arg: RocList, position: usize) u64 {
const bytes = @ptrCast([*]const u8, arg.bytes);
return @bitCast(u64, [_]u8{ bytes[position], bytes[position + 1], bytes[position + 2], bytes[position + 3], bytes[position + 4], bytes[position + 5], bytes[position + 6], bytes[position + 7] });
}
pub fn bytesToU128C(arg: RocList, position: usize) callconv(.C) u128 {
return @call(.{ .modifier = always_inline }, bytesToU128, .{ arg, position });
}
fn bytesToU128(arg: RocList, position: usize) u128 {
const bytes = @ptrCast([*]const u8, arg.bytes);
return @bitCast(u128, [_]u8{ bytes[position], bytes[position + 1], bytes[position + 2], bytes[position + 3], bytes[position + 4], bytes[position + 5], bytes[position + 6], bytes[position + 7], bytes[position + 8], bytes[position + 9], bytes[position + 10], bytes[position + 11], bytes[position + 12], bytes[position + 13], bytes[position + 14], bytes[position + 15] });
}
fn addWithOverflow(comptime T: type, self: T, other: T) WithOverflow(T) {
switch (@typeInfo(T)) {
.Int => {