fix non extending attributes

This commit is contained in:
Evan Almloff committed 2023-09-27 10:02:49 -05:00
1 parent 7b51bb8060
commit b60671e0fe
6 files changed
+70 -48

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+45 -20
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@@ -502,7 +502,7 @@ mod struct_info {
use syn::punctuated::Punctuated;
use syn::spanned::Spanned;
use syn::visit::Visit;
use syn::{Expr, Ident};
use syn::{parse_quote, Expr, Ident};
use super::field_info::{FieldBuilderAttr, FieldInfo};
use super::util::{
@@ -611,10 +611,17 @@ mod struct_info {
// Therefore, we will generate code that shortcircuits the "comparison" in memoization
let are_there_generics = !self.generics.params.is_empty();
let extend_lifetime = self.extend_lifetime()?;
let generics = self.generics.clone();
let (_, ty_generics, where_clause) = generics.split_for_impl();
let impl_generics = self.generics.clone();
let (impl_generics, b_initial_generics, _) = impl_generics.split_for_impl();
let impl_generics = self.modify_generics(|g| {
if extend_lifetime.is_none() {
g.params.insert(0, parse_quote!('__bump));
}
});
let (impl_generics, _, _) = impl_generics.split_for_impl();
let (_, b_initial_generics, _) = self.generics.split_for_impl();
let all_fields_param = syn::GenericParam::Type(
syn::Ident::new("TypedBuilderFields", proc_macro2::Span::call_site()).into(),
);
@@ -712,9 +719,21 @@ Finally, call `.build()` to create the instance of `{name}`.
let name = f.name;
quote!(#name: Vec::new())
});
let extend_lifetime = self
.extend_lifetime()?
.unwrap_or(syn::Lifetime::new("'_", proc_macro2::Span::call_site()));
let has_extend_fields = self.extend_fields().next().is_some();
let take_bump = if has_extend_fields {
quote!(bump: _cx.bump(),)
} else {
quote!()
};
let bump_field = if has_extend_fields {
quote!(bump: & #extend_lifetime ::dioxus::core::exports::bumpalo::Bump,)
} else {
quote!()
};
let extend_lifetime = extend_lifetime.unwrap_or(syn::Lifetime::new(
"'__bump",
proc_macro2::Span::call_site(),
));
Ok(quote! {
impl #impl_generics #name #ty_generics #where_clause {
@@ -723,7 +742,7 @@ Finally, call `.build()` to create the instance of `{name}`.
#vis fn builder(_cx: & #extend_lifetime ::dioxus::prelude::ScopeState) -> #builder_name #generics_with_empty {
#builder_name {
#(#extend_fields_value,)*
bump: _cx.bump(),
#take_bump
fields: #empties_tuple,
_phantom: ::core::default::Default::default(),
}
@@ -735,7 +754,7 @@ Finally, call `.build()` to create the instance of `{name}`.
#[allow(dead_code, non_camel_case_types, non_snake_case)]
#vis struct #builder_name #b_generics {
#(#extend_fields,)*
bump: & #extend_lifetime ::dioxus::core::exports::bumpalo::Bump,
#bump_field
fields: #all_fields_param,
_phantom: (#( #phantom_generics ),*),
}
@@ -862,22 +881,23 @@ Finally, call `.build()` to create the instance of `{name}`.
quote!(#name: self.#name)
});
let extends_impl = field.builder_attr.extends.iter().map(|path| {
let name_str = path_to_single_string(path).unwrap();
let camel_name = name_str.to_case(Case::UpperCamel);
let marker_name = Ident::new(
format!("Extended{}Marker", &camel_name).as_str(),
path.span(),
);
quote! {
impl #impl_generics #marker_name for #builder_name < #( #ty_generics ),* > #where_clause {}
}
});
let extend_lifetime = self.extend_lifetime()?.ok_or(Error::new_spanned(
field_name,
"Unable to find lifetime for extended field. Please specify it manually",
))?;
let extends_impl = field.builder_attr.extends.iter().map(|path| {
let name_str = path_to_single_string(path).unwrap();
let camel_name = name_str.to_case(Case::UpperCamel);
let marker_name = Ident::new(
format!("{}Extension", &camel_name).as_str(),
path.span(),
);
quote! {
impl #impl_generics dioxus_elements::extensions::#marker_name < #extend_lifetime > for #builder_name < #( #ty_generics ),* > #where_clause {}
}
});
Ok(quote! {
impl #impl_generics ::dioxus::prelude::HasAttributesBox<#extend_lifetime> for #builder_name < #( #ty_generics ),* > #where_clause {
fn push_attribute(
@@ -1035,6 +1055,11 @@ Finally, call `.build()` to create the instance of `{name}`.
let name = f.name;
quote!(#name: self.#name)
});
let forward_bump = if self.extend_fields().next().is_some() {
quote!(bump: self.bump,)
} else {
quote!()
};
Ok(quote! {
#[allow(dead_code, non_camel_case_types, missing_docs)]
@@ -1045,7 +1070,7 @@ Finally, call `.build()` to create the instance of `{name}`.
let ( #(#descructuring,)* ) = self.fields;
#builder_name {
#(#forward_extended_fields,)*
bump: self.bump,
#forward_bump
fields: ( #(#reconstructing,)* ),
_phantom: self._phantom,
}