64 lines
1.7 KiB
Rust
64 lines
1.7 KiB
Rust
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use crate::container::*;
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use proc_macro2::Span;
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use quote::quote;
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use syn::{Data, Ident};
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pub fn derive_ber_alias(s: synstructure::Structure) -> proc_macro2::TokenStream {
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let ast = s.ast();
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let container = match &ast.data {
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Data::Struct(ds) => Container::from_datastruct(ds, ast, ContainerType::Alias),
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_ => panic!("Unsupported type, cannot derive"),
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};
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let debug_derive = ast.attrs.iter().any(|attr| {
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attr.meta
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.path()
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.is_ident(&Ident::new("debug_derive", Span::call_site()))
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});
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let impl_tryfrom = container.gen_tryfrom();
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let impl_tagged = container.gen_tagged();
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let ts = s.gen_impl(quote! {
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extern crate asn1_rs;
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#impl_tryfrom
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#impl_tagged
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});
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if debug_derive {
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eprintln!("{}", ts);
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}
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ts
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}
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pub fn derive_der_alias(s: synstructure::Structure) -> proc_macro2::TokenStream {
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let ast = s.ast();
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let container = match &ast.data {
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Data::Struct(ds) => Container::from_datastruct(ds, ast, ContainerType::Alias),
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_ => panic!("Unsupported type, cannot derive"),
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};
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let debug_derive = ast.attrs.iter().any(|attr| {
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attr.meta
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.path()
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.is_ident(&Ident::new("debug_derive", Span::call_site()))
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});
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let impl_tryfrom = container.gen_tryfrom();
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let impl_tagged = container.gen_tagged();
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let impl_checkconstraints = container.gen_checkconstraints();
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let impl_fromder = container.gen_fromder();
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let ts = s.gen_impl(quote! {
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extern crate asn1_rs;
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#impl_tryfrom
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#impl_tagged
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#impl_checkconstraints
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#impl_fromder
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});
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if debug_derive {
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eprintln!("{}", ts);
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}
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ts
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}
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