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Bump syn/quote in style_derive

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This commit is contained in:
Bastien Orivel 2018-02-12 16:49:28 +01:00
parent cf6330b6c1
commit 9faa579c89
12 changed files with 302 additions and 338 deletions
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31
components/style_derive/to_animated_zero.rs
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@ -6,31 +6,30 @@ use animate::{AnimationVariantAttrs, AnimationFieldAttrs};
use cg;
use quote;
use syn;
use synstructure::{self, BindStyle};
use synstructure;
pub fn derive(input: syn::DeriveInput) -> quote::Tokens {
let name = &input.ident;
let trait_path = &["values", "animated", "ToAnimatedZero"];
let trait_path = parse_quote!(values::animated::ToAnimatedZero);
let (impl_generics, ty_generics, mut where_clause) =
cg::trait_parts(&input, trait_path);
cg::trait_parts(&input, &trait_path);
let bind_opts = BindStyle::Ref.into();
let to_body = synstructure::each_variant(&input, &bind_opts, |bindings, variant| {
let attrs = cg::parse_variant_attrs::<AnimationVariantAttrs>(variant);
let s = synstructure::Structure::new(&input);
let to_body = s.each_variant(|variant| {
let attrs = cg::parse_variant_attrs::<AnimationVariantAttrs>(&variant.ast());
if attrs.error {
return Some(quote! { Err(()) });
}
let name = cg::variant_ctor(&input, variant);
let (mapped, mapped_bindings) = cg::value(&name, variant, "mapped");
let bindings_pairs = bindings.into_iter().zip(mapped_bindings);
let (mapped, mapped_bindings) = cg::value(variant, "mapped");
let bindings_pairs = variant.bindings().into_iter().zip(mapped_bindings);
let mut computations = quote!();
computations.append_all(bindings_pairs.map(|(binding, mapped_binding)| {
let field_attrs = cg::parse_field_attrs::<AnimationFieldAttrs>(&binding.field);
let field_attrs = cg::parse_field_attrs::<AnimationFieldAttrs>(&binding.ast());
if field_attrs.constant {
if cg::is_parameterized(&binding.field.ty, where_clause.params, None) {
where_clause.inner.predicates.push(cg::where_predicate(
binding.field.ty.clone(),
&["std", "clone", "Clone"],
if cg::is_parameterized(&binding.ast().ty, &where_clause.params, None) {
where_clause.add_predicate(cg::where_predicate(
binding.ast().ty.clone(),
&parse_quote!(std::clone::Clone),
None,
));
}
@ -38,14 +37,14 @@ pub fn derive(input: syn::DeriveInput) -> quote::Tokens {
let #mapped_binding = ::std::clone::Clone::clone(#binding);
}
} else {
where_clause.add_trait_bound(&binding.field.ty);
where_clause.add_trait_bound(&binding.ast().ty);
quote! {
let #mapped_binding =
::values::animated::ToAnimatedZero::to_animated_zero(#binding)?;
}
}
}));
computations.append(quote! { Ok(#mapped) });
computations.append_all(quote! { Ok(#mapped) });
Some(computations)
});