diff options
Diffstat (limited to 'azalea-protocol/packet-macros/src')
| -rwxr-xr-x | azalea-protocol/packet-macros/src/lib.rs | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/azalea-protocol/packet-macros/src/lib.rs b/azalea-protocol/packet-macros/src/lib.rs index f3fe4e40..5ea69a62 100755 --- a/azalea-protocol/packet-macros/src/lib.rs +++ b/azalea-protocol/packet-macros/src/lib.rs @@ -56,13 +56,23 @@ fn create_impl_mcbufreadable(ident: &Ident, data: &Data) -> proc_macro2::TokenSt } syn::Data::Enum(syn::DataEnum { variants, .. }) => { let mut match_contents = quote!(); + let mut variant_discrim: u32 = 0; for variant in variants { let variant_name = &variant.ident; - let variant_discrim = &variant - .discriminant - .as_ref() - .expect("enum variant must have a discriminant") - .1; + match &variant.discriminant.as_ref() { + Some(d) => { + variant_discrim = match &d.1 { + syn::Expr::Lit(e) => match &e.lit { + syn::Lit::Int(i) => i.base10_parse().unwrap(), + _ => panic!("Error parsing enum discriminant"), + }, + _ => panic!("Error parsing enum discriminant"), + } + } + None => { + variant_discrim += 1; + } + } match_contents.extend(quote! { #variant_discrim => Ok(Self::#variant_name), }); @@ -344,6 +354,7 @@ pub fn declare_state_packets(input: TokenStream) -> TokenStream { }); } for PacketIdPair { id, module, name } in input.clientbound.packets { + // let name_litstr = syn::LitStr::new(&name.to_string(), name.span()); enum_contents.extend(quote! { #name(#module::#name), }); |
