1 use darling_core::{derive, Error};
2 use proc_macro::TokenStream;
3 use syn::parse_macro_input;
4 
5 #[proc_macro_derive(FromMeta, attributes(darling))]
derive_from_meta(input: TokenStream) -> TokenStream6 pub fn derive_from_meta(input: TokenStream) -> TokenStream {
7     derive::from_meta(&parse_macro_input!(input)).into()
8 }
9 
10 #[proc_macro_derive(FromMetaItem, attributes(darling))]
derive_from_meta_item(_input: TokenStream) -> TokenStream11 pub fn derive_from_meta_item(_input: TokenStream) -> TokenStream {
12     Error::custom("darling::FromMetaItem has been replaced by darling::FromMeta")
13         .write_errors()
14         .into()
15 }
16 
17 #[proc_macro_derive(FromAttributes, attributes(darling))]
derive_from_attributes(input: TokenStream) -> TokenStream18 pub fn derive_from_attributes(input: TokenStream) -> TokenStream {
19     derive::from_attributes(&parse_macro_input!(input)).into()
20 }
21 
22 #[proc_macro_derive(FromDeriveInput, attributes(darling))]
derive_from_input(input: TokenStream) -> TokenStream23 pub fn derive_from_input(input: TokenStream) -> TokenStream {
24     derive::from_derive_input(&parse_macro_input!(input)).into()
25 }
26 
27 #[proc_macro_derive(FromField, attributes(darling))]
derive_field(input: TokenStream) -> TokenStream28 pub fn derive_field(input: TokenStream) -> TokenStream {
29     derive::from_field(&parse_macro_input!(input)).into()
30 }
31 
32 #[proc_macro_derive(FromTypeParam, attributes(darling))]
derive_type_param(input: TokenStream) -> TokenStream33 pub fn derive_type_param(input: TokenStream) -> TokenStream {
34     derive::from_type_param(&parse_macro_input!(input)).into()
35 }
36 
37 #[proc_macro_derive(FromVariant, attributes(darling))]
derive_variant(input: TokenStream) -> TokenStream38 pub fn derive_variant(input: TokenStream) -> TokenStream {
39     derive::from_variant(&parse_macro_input!(input)).into()
40 }
41