alex/nih-plug
1
0
Fork 0
Code Activity

Not all structs are called Foo

Browse source
This commit is contained in:
Robbert van der Helm 2022-01-25 20:02:58 +01:00
parent 571dd1f2d4
commit 5cc9931de6
1 changed files with 6 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
nih_plug_derive/src/lib.rs
View file

@ -8,6 +8,7 @@ use syn::spanned::Spanned;
pub fn derive_params(input: TokenStream) -> TokenStream {
let ast = syn::parse_macro_input!(input as syn::DeriveInput);
let struct_name = &ast.ident;
let fields = match ast.data {
syn::Data::Struct(syn::DataStruct {
fields: syn::Fields::Named(named_fields),
@ -27,12 +28,12 @@ pub fn derive_params(input: TokenStream) -> TokenStream {
// containing pointers to those parmaeters.
let mut param_insert_tokens = Vec::new();
for field in fields.named {
let name = match &field.ident {
let field_name = match &field.ident {
Some(ident) => ident,
_ => continue,
};
for attr in &field.attrs {
for attr in field.attrs {
let list = match attr.parse_meta() {
Ok(syn::Meta::List(list)) if list.path.is_ident("id") => list,
_ => continue,
@ -51,12 +52,13 @@ pub fn derive_params(input: TokenStream) -> TokenStream {
// The specific parameter types know how to convert themselves into the correct ParamPtr
// variant
param_insert_tokens.push(quote! { param_map.insert(#param_id, self.#name.as_ptr()); });
param_insert_tokens
.push(quote! { param_map.insert(#param_id, self.#field_name.as_ptr()); });
}
}
quote! {
impl Params for Foo {
impl Params for #struct_name {
fn param_map(
self: std::pin::Pin<&Self>,
) -> std::collections::HashMap<&'static str, nih_plug::params::ParamPtr> {