stylo_derive/
to_resolved_value.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use crate::cg;
6use crate::to_computed_value;
7use proc_macro2::TokenStream;
8use syn::DeriveInput;
9use synstructure::BindStyle;
10
11pub fn derive(input: DeriveInput) -> TokenStream {
12    let trait_impl = |from_body, to_body| {
13        quote! {
14             #[inline]
15             fn from_resolved_value(from: Self::ResolvedValue) -> Self {
16                 #from_body
17             }
18
19             #[inline]
20             fn to_resolved_value(
21                 self,
22                 context: &crate::values::resolved::Context,
23             ) -> Self::ResolvedValue {
24                 #to_body
25             }
26        }
27    };
28
29    to_computed_value::derive_to_value(
30        input,
31        parse_quote!(crate::values::resolved::ToResolvedValue),
32        parse_quote!(ResolvedValue),
33        BindStyle::Move,
34        |binding| {
35            let attrs = cg::parse_field_attrs::<ResolvedValueAttrs>(&binding.ast());
36            to_computed_value::ToValueAttrs {
37                field_bound: attrs.field_bound,
38                no_field_bound: attrs.no_field_bound,
39            }
40        },
41        |binding| quote!(crate::values::resolved::ToResolvedValue::from_resolved_value(#binding)),
42        |binding| quote!(crate::values::resolved::ToResolvedValue::to_resolved_value(#binding, context)),
43        trait_impl,
44    )
45}
46
47#[derive(Default, FromField)]
48#[darling(attributes(resolve), default)]
49struct ResolvedValueAttrs {
50    field_bound: bool,
51    no_field_bound: bool,
52}
stylo_derive/to_resolved_value.rs

stylo_derive/
to_resolved_value.rs
