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Allow unreachable code in #[debug_handler] (#2014)

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Co-authored-by: David Pedersen <david.pdrsn@gmail.com>
This commit is contained in:
Alexander Jackson 2023-06-22 22:51:52 +01:00 committed by David Pedersen
parent 078c7ca65b
commit 21fb5f4d22
2 changed files with 16 additions and 0 deletions
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8
axum-macros/src/debug_handler.rs
View file

@ -276,6 +276,7 @@ fn check_inputs_impls_from_request(
quote_spanned! {span=>
#[allow(warnings)]
#[allow(unreachable_code)]
#[doc(hidden)]
fn #check_fn #check_fn_generics()
where
@ -285,6 +286,7 @@ fn check_inputs_impls_from_request(
// we have to call the function to actually trigger a compile error
// since the function is generic, just defining it is not enough
#[allow(warnings)]
#[allow(unreachable_code)]
#[doc(hidden)]
fn #call_check_fn()
{
@ -429,6 +431,7 @@ fn check_output_impls_into_response(item_fn: &ItemFn) -> TokenStream {
let make = if item_fn.sig.asyncness.is_some() {
quote_spanned! {span=>
#[allow(warnings)]
#[allow(unreachable_code)]
#[doc(hidden)]
async fn #make_value_name() -> #ty {
#declare_inputs
@ -438,6 +441,7 @@ fn check_output_impls_into_response(item_fn: &ItemFn) -> TokenStream {
} else {
quote_spanned! {span=>
#[allow(warnings)]
#[allow(unreachable_code)]
#[doc(hidden)]
fn #make_value_name() -> #ty {
#declare_inputs
@ -453,6 +457,7 @@ fn check_output_impls_into_response(item_fn: &ItemFn) -> TokenStream {
#make
#[allow(warnings)]
#[allow(unreachable_code)]
#[doc(hidden)]
async fn #name() {
let value = #receiver #make_value_name().await;
@ -465,6 +470,7 @@ fn check_output_impls_into_response(item_fn: &ItemFn) -> TokenStream {
} else {
quote_spanned! {span=>
#[allow(warnings)]
#[allow(unreachable_code)]
#[doc(hidden)]
async fn #name() {
#make
@ -515,6 +521,7 @@ fn check_future_send(item_fn: &ItemFn) -> TokenStream {
if let Some(receiver) = self_receiver(item_fn) {
quote! {
#[allow(warnings)]
#[allow(unreachable_code)]
#[doc(hidden)]
fn #name() {
let future = #receiver #handler_name(#(#args),*);
@ -524,6 +531,7 @@ fn check_future_send(item_fn: &ItemFn) -> TokenStream {
} else {
quote! {
#[allow(warnings)]
#[allow(unreachable_code)]
#[doc(hidden)]
fn #name() {
#item_fn

8
axum-macros/tests/debug_handler/pass/deny_unreachable_code.rs Normal file
View file

@ -0,0 +1,8 @@
#![deny(unreachable_code)]
use axum::extract::Path;
#[axum_macros::debug_handler]
async fn handler(Path(_): Path<String>) {}
fn main() {}