pub const Record = struct {
    name: []const u8,
    id: u32,
    operands: []const u64,
    blob: []const u8,

    fn toOwnedAbbrev(record: Record, allocator: std.mem.Allocator) !Abbrev {
        var operands = std.ArrayList(Abbrev.Operand).init(allocator);
        defer operands.deinit();

        assert(record.id == Abbrev.Builtin.define_abbrev.toRecordId());
        var i: usize = 0;
        while (i < record.operands.len) switch (record.operands[i]) {
            Abbrev.Operand.literal_id => {
                try operands.append(.{ .literal = record.operands[i + 1] });
                i += 2;
            },
            @intFromEnum(Abbrev.Operand.Encoding.fixed) => {
                try operands.append(.{ .encoding = .{ .fixed = @intCast(record.operands[i + 1]) } });
                i += 2;
            },
            @intFromEnum(Abbrev.Operand.Encoding.vbr) => {
                try operands.append(.{ .encoding = .{ .vbr = @intCast(record.operands[i + 1]) } });
                i += 2;
            },
            @intFromEnum(Abbrev.Operand.Encoding.array) => {
                try operands.append(.{ .encoding = .{ .array = 6 } });
                i += 1;
            },
            @intFromEnum(Abbrev.Operand.Encoding.char6) => {
                try operands.append(.{ .encoding = .char6 });
                i += 1;
            },
            @intFromEnum(Abbrev.Operand.Encoding.blob) => {
                try operands.append(.{ .encoding = .{ .blob = 6 } });
                i += 1;
            },
            else => unreachable,
        };

        return .{ .operands = try operands.toOwnedSlice() };
    }
}