diff options
Diffstat (limited to 'mingling_macros/src/systems/structural_data.rs')
| -rw-r--r-- | mingling_macros/src/systems/structural_data.rs | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/mingling_macros/src/systems/structural_data.rs b/mingling_macros/src/systems/structural_data.rs index 74bcf09..46d7cf8 100644 --- a/mingling_macros/src/systems/structural_data.rs +++ b/mingling_macros/src/systems/structural_data.rs @@ -29,8 +29,8 @@ pub(crate) fn derive_structural_data(input: TokenStream) -> TokenStream { // Users cannot implement StructuralDataSealed manually (it's #[doc(hidden)]), // so the only way to get StructuralData is through this derive macro. let expanded = quote! { - impl ::mingling::__private::StructuralDataSealed for #type_name {} - impl ::mingling::__private::StructuralData for #type_name {} + impl ::mingling::__private::StructuralDataSealed<crate::ThisProgram> for #type_name {} + impl ::mingling::__private::StructuralData<crate::ThisProgram> for #type_name {} }; expanded.into() @@ -149,8 +149,8 @@ pub(crate) fn pack_structural(input: TokenStream) -> TokenStream { // StructuralData impl + sealed + registration let structural_impl = quote! { - impl ::mingling::__private::StructuralDataSealed for #type_name {} - impl ::mingling::__private::StructuralData for #type_name {} + impl ::mingling::__private::StructuralDataSealed<crate::ThisProgram> for #type_name {} + impl ::mingling::__private::StructuralData<crate::ThisProgram> for #type_name {} }; let expanded = quote! { @@ -176,7 +176,11 @@ pub(crate) fn pack_structural(input: TokenStream) -> TokenStream { } } - impl ::mingling::Grouped<#program_path> for #type_name { + /// SAFETY: This is an internal implementation of the `pack_structural!` macro, + /// guaranteeing that the enum value registered by the `register_type!` macro + /// is exactly the same as the actual return value, + /// which can be confirmed via the `Ident` in the `quote!` block. + unsafe impl ::mingling::Grouped<#program_path> for #type_name { fn member_id() -> #program_path { #program_path::#type_name } @@ -297,14 +301,18 @@ pub(crate) fn group_structural(input: TokenStream) -> TokenStream { #type_use #alias_use - impl ::mingling::Grouped<__MinglingProgram> for #type_name { + /// SAFETY: This is an internal implementation of the `pack_structural!` macro, + /// guaranteeing that the enum value registered by the `register_type!` macro + /// is exactly the same as the actual return value, + /// which can be confirmed via the `Ident` in the `quote!` block. + unsafe impl ::mingling::Grouped<__MinglingProgram> for #type_name { fn member_id() -> __MinglingProgram { __MinglingProgram::#type_name } } - impl ::mingling::__private::StructuralDataSealed for #type_name {} - impl ::mingling::__private::StructuralData for #type_name {} + impl ::mingling::__private::StructuralDataSealed<crate::ThisProgram> for #type_name {} + impl ::mingling::__private::StructuralData<crate::ThisProgram> for #type_name {} ::mingling::macros::register_type!(#type_name); } |