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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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24
components/style_derive/parse.rs
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@ -10,38 +10,40 @@ use to_css::CssVariantAttrs;
pub fn derive(input: DeriveInput) -> Tokens {
let name = &input.ident;
let s = synstructure::Structure::new(&input);
let mut match_body = quote! {};
let style = synstructure::BindStyle::Ref.into();
synstructure::each_variant(&input, &style, |bindings, variant| {
let match_body = s.variants().iter().fold(quote!(), |match_body, variant| {
let bindings = variant.bindings();
assert!(
bindings.is_empty(),
"Parse is only supported for single-variant enums for now"
);
let variant_attrs = cg::parse_variant_attrs::<CssVariantAttrs>(variant);
let variant_attrs = cg::parse_variant_attrs::<CssVariantAttrs>(&variant.ast());
let identifier = cg::to_css_identifier(
&variant_attrs.keyword.as_ref().unwrap_or(&variant.ident).as_ref(),
&variant_attrs.keyword.unwrap_or(variant.ast().ident.as_ref().into()),
);
let ident = &variant.ident;
let ident = &variant.ast().ident;
match_body = quote! {
let mut body = quote! {
#match_body
#identifier => Ok(#name::#ident),
};
let aliases = match variant_attrs.aliases {
Some(aliases) => aliases,
None => return,
None => return body,
};
for alias in aliases.split(",") {
match_body = quote! {
#match_body
body = quote! {
#body
#alias => Ok(#name::#ident),
};
}
body
});
let parse_trait_impl = quote! {