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patterns/msgpack: Fixed endianess of lengths and fixint definition (#291)

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* Fix endianness of msgpack ext datum lengths

* Fix formatting of negative fixints
This commit is contained in:
SpaceManiac
2024-08-20 11:41:12 -07:00
committed by GitHub
parent d961271c5d
commit 7c65d51986
1 changed files with 5 additions and 15 deletions
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20
patterns/msgpack.hexpat
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@@ -43,14 +43,6 @@ enum Type : u8 {
NegativeFixInt = 0xE0 ... 0xFF
};
fn format_positive_fixint(u8 value) {
return value & 0b0111'1111;
};
fn format_negative_fixint(u8 value) {
return -(value & 0b0001'1111);
};
using MessagePack;
struct MapEntry {
@@ -62,10 +54,10 @@ struct MessagePack {
if (u8(type) <= 0x7F) {
$ -= 1;
u8 value [[format("format_positive_fixint")]];
u8 value;
} else if (u8(type) >= Type::NegativeFixInt) {
$ -= 1;
u8 value [[format("format_negative_fixint")]];
s8 value;
} else if (type == Type::Uint8)
be u8 value;
else if (type == Type::Uint16)
@@ -142,16 +134,14 @@ struct MessagePack {
s8 type;
u8 data[length];
} else if (type == Type::Ext16) {
u16 length;
be u16 length;
s8 type;
u8 data[length];
} else if (type == Type::Ext32) {
u32 length;
be u32 length;
s8 type;
u8 data[length];
}
};
MessagePack pack @ 0x00;
MessagePack pack @ 0x00;