From 20431706a863f92cb37dc512fef6e48d192aaf2c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:11:38 +0200
Subject: Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/tracing-attributes/src/lib.rs | 60 +++++++++++++++++++++++-------------
 1 file changed, 39 insertions(+), 21 deletions(-)

(limited to 'vendor/tracing-attributes/src/lib.rs')

diff --git a/vendor/tracing-attributes/src/lib.rs b/vendor/tracing-attributes/src/lib.rs
index 49b3c794a..f5974e4e5 100644
--- a/vendor/tracing-attributes/src/lib.rs
+++ b/vendor/tracing-attributes/src/lib.rs
@@ -16,7 +16,7 @@
 //!
 //! ```toml
 //! [dependencies]
-//! tracing-attributes = "0.1.22"
+//! tracing-attributes = "0.1.23"
 //! ```
 //!
 //! The [`#[instrument]`][instrument] attribute can now be added to a function
@@ -52,7 +52,7 @@
 //! supported compiler version is not considered a semver breaking change as
 //! long as doing so complies with this policy.
 //!
-#![doc(html_root_url = "https://docs.rs/tracing-attributes/0.1.22")]
+#![doc(html_root_url = "https://docs.rs/tracing-attributes/0.1.23")]
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png",
     issue_tracker_base_url = "https://github.com/tokio-rs/tracing/issues/"
@@ -86,7 +86,7 @@ extern crate proc_macro;
 use proc_macro2::TokenStream;
 use quote::ToTokens;
 use syn::parse::{Parse, ParseStream};
-use syn::{Attribute, Block, ItemFn, Signature, Visibility};
+use syn::{Attribute, ItemFn, Signature, Visibility};
 
 mod attr;
 mod expand;
@@ -587,11 +587,13 @@ fn instrument_precise(
     // check for async_trait-like patterns in the block, and instrument
     // the future instead of the wrapper
     if let Some(async_like) = expand::AsyncInfo::from_fn(&input) {
-        return Ok(async_like.gen_async(args, instrumented_function_name.as_str()));
+        return async_like.gen_async(args, instrumented_function_name.as_str());
     }
 
+    let input = MaybeItemFn::from(input);
+
     Ok(expand::gen_function(
-        (&input).into(),
+        input.as_ref(),
         args,
         instrumented_function_name.as_str(),
         None,
@@ -603,7 +605,8 @@ fn instrument_precise(
 /// which's block is just a `TokenStream` (it may contain invalid code).
 #[derive(Debug, Clone)]
 struct MaybeItemFn {
-    attrs: Vec<Attribute>,
+    outer_attrs: Vec<Attribute>,
+    inner_attrs: Vec<Attribute>,
     vis: Visibility,
     sig: Signature,
     block: TokenStream,
@@ -612,7 +615,8 @@ struct MaybeItemFn {
 impl MaybeItemFn {
     fn as_ref(&self) -> MaybeItemFnRef<'_, TokenStream> {
         MaybeItemFnRef {
-            attrs: &self.attrs,
+            outer_attrs: &self.outer_attrs,
+            inner_attrs: &self.inner_attrs,
             vis: &self.vis,
             sig: &self.sig,
             block: &self.block,
@@ -624,12 +628,14 @@ impl MaybeItemFn {
 /// (just like `ItemFn`, but skips parsing the body).
 impl Parse for MaybeItemFn {
     fn parse(input: ParseStream<'_>) -> syn::Result<Self> {
-        let attrs = input.call(syn::Attribute::parse_outer)?;
+        let outer_attrs = input.call(Attribute::parse_outer)?;
         let vis: Visibility = input.parse()?;
         let sig: Signature = input.parse()?;
+        let inner_attrs = input.call(Attribute::parse_inner)?;
         let block: TokenStream = input.parse()?;
         Ok(Self {
-            attrs,
+            outer_attrs,
+            inner_attrs,
             vis,
             sig,
             block,
@@ -637,23 +643,35 @@ impl Parse for MaybeItemFn {
     }
 }
 
+impl From<ItemFn> for MaybeItemFn {
+    fn from(
+        ItemFn {
+            attrs,
+            vis,
+            sig,
+            block,
+        }: ItemFn,
+    ) -> Self {
+        let (outer_attrs, inner_attrs) = attrs
+            .into_iter()
+            .partition(|attr| attr.style == syn::AttrStyle::Outer);
+        Self {
+            outer_attrs,
+            inner_attrs,
+            vis,
+            sig,
+            block: block.to_token_stream(),
+        }
+    }
+}
+
 /// A generic reference type for `MaybeItemFn`,
 /// that takes a generic block type `B` that implements `ToTokens` (eg. `TokenStream`, `Block`).
 #[derive(Debug, Clone)]
 struct MaybeItemFnRef<'a, B: ToTokens> {
-    attrs: &'a Vec<Attribute>,
+    outer_attrs: &'a Vec<Attribute>,
+    inner_attrs: &'a Vec<Attribute>,
     vis: &'a Visibility,
     sig: &'a Signature,
     block: &'a B,
 }
-
-impl<'a> From<&'a ItemFn> for MaybeItemFnRef<'a, Box<Block>> {
-    fn from(val: &'a ItemFn) -> Self {
-        MaybeItemFnRef {
-            attrs: &val.attrs,
-            vis: &val.vis,
-            sig: &val.sig,
-            block: &val.block,
-        }
-    }
-}
-- 
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