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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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53
components/style_derive/animate.rs
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@ -5,41 +5,41 @@
use cg;
use quote::Tokens;
use syn::{DeriveInput, Path};
use synstructure;
pub fn derive(input: DeriveInput) -> Tokens {
let name = &input.ident;
let trait_path = &["values", "animated", "Animate"];
let trait_path = parse_quote!(values::animated::Animate);
let (impl_generics, ty_generics, mut where_clause) =
cg::trait_parts(&input, trait_path);
cg::trait_parts(&input, &trait_path);
let input_attrs = cg::parse_input_attrs::<AnimateInputAttrs>(&input);
let variants = cg::variants(&input);
let mut match_body = quote!();
let mut append_error_clause = variants.len() > 1;
match_body.append_all(variants.iter().flat_map(|variant| {
let variant_attrs = cg::parse_variant_attrs::<AnimationVariantAttrs>(variant);
let s = synstructure::Structure::new(&input);
let mut append_error_clause = s.variants().len() > 1;
let mut match_body = s.variants().iter().fold(quote!(), |body, variant| {
let variant_attrs = cg::parse_variant_attrs::<AnimationVariantAttrs>(&variant.ast());
if variant_attrs.error {
append_error_clause = true;
return None;
return body;
}
let name = cg::variant_ctor(&input, variant);
let (this_pattern, this_info) = cg::ref_pattern(&name, variant, "this");
let (other_pattern, other_info) = cg::ref_pattern(&name, variant, "other");
let (result_value, result_info) = cg::value(&name, variant, "result");
let (this_pattern, this_info) = cg::ref_pattern(&variant, "this");
let (other_pattern, other_info) = cg::ref_pattern(&variant, "other");
let (result_value, result_info) = cg::value(&variant, "result");
let mut computations = quote!();
let iter = result_info.iter().zip(this_info.iter().zip(&other_info));
computations.append_all(iter.map(|(result, (this, other))| {
let field_attrs = cg::parse_field_attrs::<AnimationFieldAttrs>(&result.field);
let field_attrs = cg::parse_field_attrs::<AnimationFieldAttrs>(&result.ast());
if field_attrs.constant {
if cg::is_parameterized(&result.field.ty, where_clause.params, None) {
where_clause.inner.predicates.push(cg::where_predicate(
result.field.ty.clone(),
&["std", "cmp", "PartialEq"],
if cg::is_parameterized(&result.ast().ty, &where_clause.params, None) {
where_clause.add_predicate(cg::where_predicate(
result.ast().ty.clone(),
&parse_quote!(std::cmp::PartialEq),
None,
));
where_clause.inner.predicates.push(cg::where_predicate(
result.field.ty.clone(),
&["std", "clone", "Clone"],
where_clause.add_predicate(cg::where_predicate(
result.ast().ty.clone(),
&parse_quote!(std::clone::Clone),
None,
));
}
@ -50,28 +50,29 @@ pub fn derive(input: DeriveInput) -> Tokens {
let #result = ::std::clone::Clone::clone(#this);
}
} else {
where_clause.add_trait_bound(&result.field.ty);
where_clause.add_trait_bound(&result.ast().ty);
quote! {
let #result =
::values::animated::Animate::animate(#this, #other, procedure)?;
}
}
}));
Some(quote! {
quote! {
#body
(&#this_pattern, &#other_pattern) => {
#computations
Ok(#result_value)
}
})
}));
}
});
if append_error_clause {
if let Some(fallback) = input_attrs.fallback {
match_body.append(quote! {
match_body.append_all(quote! {
(this, other) => #fallback(this, other, procedure)
});
} else {
match_body.append(quote! { _ => Err(()) });
match_body.append_all(quote! { _ => Err(()) });
}
}