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fix: use dummy macro output to improve rust-analyzer experience for #[lazy_route]

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This commit is contained in:
Greg Johnston
2025-07-20 19:58:41 -04:00
parent d7cdc6c489
commit 64b8c3dfd5
1 changed files with 5 additions and 3 deletions
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8
router_macro/src/lib.rs
View File

@@ -6,7 +6,7 @@
use proc_macro::{TokenStream, TokenTree};
use proc_macro2::Span;
use proc_macro_error2::{abort, proc_macro_error};
use proc_macro_error2::{abort, proc_macro_error, set_dummy};
use quote::{quote, ToTokens};
use syn::{
spanned::Spanned, FnArg, Ident, ImplItem, ItemImpl, Path, Type, TypePath,
@@ -213,7 +213,9 @@ fn lazy_route_impl(
_args: proc_macro::TokenStream,
s: TokenStream,
) -> TokenStream {
let mut im = syn::parse::<ItemImpl>(s).unwrap_or_else(|e| {
set_dummy(s.clone().into());
let mut im = syn::parse::<ItemImpl>(s.clone()).unwrap_or_else(|e| {
abort!(e.span(), "`lazy_route` can only be used on an `impl` block")
});
if im.trait_.is_none() {
@@ -268,7 +270,7 @@ fn lazy_route_impl(
});
match item {
None => abort!(im.span(), "must contain a fn called `view`"),
None => s,
Some(fun) => {
if let Some(a) = fun.sig.asyncness {
abort!(a.span(), "`view` method should not be async")