diff options
Diffstat (limited to 'mingling_macros/src/func/pack_structural.rs')
| -rw-r--r-- | mingling_macros/src/func/pack_structural.rs | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/mingling_macros/src/func/pack_structural.rs b/mingling_macros/src/func/pack_structural.rs deleted file mode 100644 index fb13fbf..0000000 --- a/mingling_macros/src/func/pack_structural.rs +++ /dev/null @@ -1,170 +0,0 @@ -// Doc Not Optimize -use proc_macro::TokenStream; -use quote::quote; -use syn::Ident; - -use crate::get_global_set; - -/// `pack_structural!` — like `pack!` but also marks the type as supporting -/// structured output via `StructuralData`. -#[allow(clippy::too_many_lines)] -pub(crate) fn pack_structural(input: TokenStream) -> TokenStream { - // Parse same input format as `pack!` - let input_parsed = syn::parse_macro_input!(input as PackStructuralInput); - let type_name = input_parsed.type_name; - let inner_type = input_parsed.inner_type; - let attrs = input_parsed.attrs; - let program_path = crate::default_program_path(); - - // Register in STRUCTURED_TYPES - let type_name_str = type_name.to_string(); - get_global_set(&crate::STRUCTURED_TYPES) - .lock() - .unwrap() - .insert(type_name_str); - - // Struct definition (with Serialize derive, same as pack! under structural_renderer) - #[cfg(not(feature = "structural_renderer"))] - let struct_def = quote! { - #(#attrs)* - pub struct #type_name { - pub inner: #inner_type, - } - }; - - #[cfg(feature = "structural_renderer")] - let struct_def = quote! { - #(#attrs)* - #[derive(serde::Serialize)] - pub struct #type_name { - pub inner: #inner_type, - } - }; - - // Helper impls (same as pack!) - let new_impl = quote! { - impl #type_name { - pub fn new(inner: #inner_type) -> Self { - Self { inner } - } - } - }; - - let from_into_impl = quote! { - impl From<#inner_type> for #type_name { - fn from(inner: #inner_type) -> Self { - Self::new(inner) - } - } - impl From<#type_name> for #inner_type { - fn from(wrapper: #type_name) -> #inner_type { - wrapper.inner - } - } - }; - - let as_ref_impl = quote! { - impl ::std::convert::AsRef<#inner_type> for #type_name { - fn as_ref(&self) -> &#inner_type { - &self.inner - } - } - impl ::std::convert::AsMut<#inner_type> for #type_name { - fn as_mut(&mut self) -> &mut #inner_type { - &mut self.inner - } - } - }; - - let deref_impl = quote! { - impl ::std::ops::Deref for #type_name { - type Target = #inner_type; - fn deref(&self) -> &Self::Target { - &self.inner - } - } - impl ::std::ops::DerefMut for #type_name { - fn deref_mut(&mut self) -> &mut Self::Target { - &mut self.inner - } - } - }; - - let default_impl = quote! { - impl ::std::default::Default for #type_name - where - #inner_type: ::std::default::Default, - { - fn default() -> Self { - Self::new(::std::default::Default::default()) - } - } - }; - - let register_impl = quote! { - ::mingling::macros::register_type!(#type_name); - }; - - // StructuralData impl + sealed + registration - let structural_impl = quote! { - impl ::mingling::__private::StructuralDataSealed<crate::ThisProgram> for #type_name {} - impl ::mingling::__private::StructuralData<crate::ThisProgram> for #type_name {} - }; - - let expanded = quote! { - #struct_def - - #new_impl - #from_into_impl - #as_ref_impl - #deref_impl - #default_impl - #register_impl - #structural_impl - - impl Into<::mingling::AnyOutput<#program_path>> for #type_name { - fn into(self) -> ::mingling::AnyOutput<#program_path> { - ::mingling::AnyOutput::new(self) - } - } - - impl Into<::mingling::ChainProcess<#program_path>> for #type_name { - fn into(self) -> ::mingling::ChainProcess<#program_path> { - ::mingling::AnyOutput::new(self).route_chain() - } - } - - /// 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 - } - } - }; - - expanded.into() -} - -/// Input for `pack_structural!` — same format as `pack!`. -struct PackStructuralInput { - attrs: Vec<syn::Attribute>, - type_name: Ident, - inner_type: syn::Type, -} - -impl syn::parse::Parse for PackStructuralInput { - fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> { - let attrs = input.call(syn::Attribute::parse_outer)?; - let type_name: Ident = input.parse()?; - input.parse::<syn::Token![=]>()?; - let inner_type: syn::Type = input.parse()?; - Ok(Self { - attrs, - type_name, - inner_type, - }) - } -} |
