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Improve node macro and add more diagnostics (#1999)

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* Improve node macro ergonomics

* Fix type error in stub import

* Fix wasm nodes

* Code review

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>
This commit is contained in:
Dennis Kobert
2024-09-21 21:57:45 +02:00
committed by GitHub
parent 3eb98c6d6d
commit cd4124a596
15 changed files with 358 additions and 122 deletions
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3
node-graph/node-macro/src/lib.rs
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@@ -1,5 +1,6 @@
use proc_macro::TokenStream;
use proc_macro2::Span;
use proc_macro_error::proc_macro_error;
use quote::{format_ident, quote, ToTokens};
use syn::{
parse_macro_input, punctuated::Punctuated, token::Comma, AngleBracketedGenericArguments, AssocType, FnArg, GenericArgument, GenericParam, Ident, ItemFn, Lifetime, Pat, PatIdent, PathArguments,
@@ -8,6 +9,7 @@ use syn::{
mod codegen;
mod parsing;
mod validation;
/// A macro used to construct a proto node implementation from the given struct and the decorated function.
///
@@ -102,6 +104,7 @@ pub fn old_node_fn(attr: TokenStream, item: TokenStream) -> TokenStream {
new_constructor
}
#[proc_macro_error]
#[proc_macro_attribute]
pub fn node(attr: TokenStream, item: TokenStream) -> TokenStream {
// Performs the `node_impl` macro's functionality of attaching an `impl Node for TheGivenStruct` block to the node struct