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chore(all): fix warnings
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parent
c7f0412eff
commit
81bc1cb790
14 changed files with 471 additions and 513 deletions
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@ -2,16 +2,12 @@ extern crate proc_macro;
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use proc_macro::TokenStream;
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use quote::quote;
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use syn::{parse_macro_input, DeriveInput, Data, Fields};
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use syn::{parse_macro_input, Data, DeriveInput, Fields};
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// This is the procedural macro for `derive(MyTrait)`
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#[proc_macro_derive(Component)]
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pub fn my_trait_derive(input: TokenStream) -> TokenStream {
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// Parse the input tokens into a syntax tree (AST)
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pub fn component_derive(input: TokenStream) -> TokenStream {
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let input = parse_macro_input!(input as DeriveInput);
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// Get the name of the struct
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let name = &input.ident;
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let name = &input.ident;
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let fields = if let Data::Struct(data) = &input.data {
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@ -33,19 +29,21 @@ pub fn my_trait_derive(input: TokenStream) -> TokenStream {
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let default_fields = if let Data::Struct(data) = &input.data {
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match &data.fields {
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Fields::Named(fields) => {
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// Generate code to assign each field a default value
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fields.named.iter().map(|field| {
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Fields::Named(fields) => fields
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.named
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.iter()
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.map(|field| {
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let field_name = &field.ident;
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quote! { #field_name: Default::default() }
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}).collect::<Vec<_>>()
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},
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Fields::Unnamed(fields) => {
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// Generate default values for tuple structs
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fields.unnamed.iter().map(|_field| {
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})
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.collect::<Vec<_>>(),
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Fields::Unnamed(fields) => fields
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.unnamed
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.iter()
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.map(|_field| {
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quote! { Default::default() }
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}).collect::<Vec<_>>()
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},
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})
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.collect::<Vec<_>>(),
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Fields::Unit => Vec::new(),
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}
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} else {
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@ -59,13 +57,6 @@ pub fn my_trait_derive(input: TokenStream) -> TokenStream {
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}
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});
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for field in &fields {
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if !is_copy_field(&field) {
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panic!("All fields in the struct must implement Copy");
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}
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}
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// Generate the implementation of MyTrait for the given struct
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let expanded = quote! {
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impl Component for #name {
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fn new() -> Self {
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@ -83,7 +74,6 @@ pub fn my_trait_derive(input: TokenStream) -> TokenStream {
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impl Default for #name {
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fn default() -> Self {
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// Construct the struct with default values
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Self {
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#(#default_fields),*
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}
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@ -115,16 +105,5 @@ pub fn my_trait_derive(input: TokenStream) -> TokenStream {
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}
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};
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// Convert the generated code into a TokenStream and return it
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TokenStream::from(expanded)
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}
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fn is_copy_field(field: &syn::Field) -> bool {
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// Logic to check if the field type implements Copy (this is simplified)
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// You might need more sophisticated logic to check the actual type of the field.
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let field_type = &field.ty;
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// Implement a check for Copy trait for the field type if needed
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// Return true if it implements Copy; false otherwise
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true // Assuming it does, just for simplicity
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}
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