Merging upstream version 1.70.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 85 insertions, 8 deletions

diff --git a/vendor/quote/src/lib.rs b/vendor/quote/src/lib.rs
index adc14c573..ab8c1b156 100644
--- a/vendor/quote/src/lib.rs
+++ b/vendor/quote/src/lib.rs
@@ -81,7 +81,7 @@
 //! ```
 
 // Quote types in rustdoc of other crates get linked to here.
-#![doc(html_root_url = "https://docs.rs/quote/1.0.23")]
+#![doc(html_root_url = "https://docs.rs/quote/1.0.26")]
 #![allow(
     clippy::doc_markdown,
     clippy::missing_errors_doc,
@@ -619,14 +619,14 @@ macro_rules! quote_spanned {
 #[macro_export]
 macro_rules! quote_spanned {
     ($span:expr=>) => {{
-        let _: $crate::__private::Span = $span;
+        let _: $crate::__private::Span = $crate::__private::get_span($span).__into_span();
         $crate::__private::TokenStream::new()
     }};
 
     // Special case rule for a single tt, for performance.
     ($span:expr=> $tt:tt) => {{
         let mut _s = $crate::__private::TokenStream::new();
-        let _span: $crate::__private::Span = $span;
+        let _span: $crate::__private::Span = $crate::__private::get_span($span).__into_span();
         $crate::quote_token_spanned!{$tt _s _span}
         _s
     }};
@@ -634,13 +634,13 @@ macro_rules! quote_spanned {
     // Special case rules for two tts, for performance.
     ($span:expr=> # $var:ident) => {{
         let mut _s = $crate::__private::TokenStream::new();
-        let _: $crate::__private::Span = $span;
+        let _: $crate::__private::Span = $crate::__private::get_span($span).__into_span();
         $crate::ToTokens::to_tokens(&$var, &mut _s);
         _s
     }};
     ($span:expr=> $tt1:tt $tt2:tt) => {{
         let mut _s = $crate::__private::TokenStream::new();
-        let _span: $crate::__private::Span = $span;
+        let _span: $crate::__private::Span = $crate::__private::get_span($span).__into_span();
         $crate::quote_token_spanned!{$tt1 _s _span}
         $crate::quote_token_spanned!{$tt2 _s _span}
         _s
@@ -649,7 +649,7 @@ macro_rules! quote_spanned {
     // Rule for any other number of tokens.
     ($span:expr=> $($tt:tt)*) => {{
         let mut _s = $crate::__private::TokenStream::new();
-        let _span: $crate::__private::Span = $span;
+        let _span: $crate::__private::Span = $crate::__private::get_span($span).__into_span();
         $crate::quote_each_token_spanned!{_s _span $($tt)*}
         _s
     }};
diff --git a/vendor/quote/src/runtime.rs b/vendor/quote/src/runtime.rs
index f3cdded3a..4e3d4fd03 100644
--- a/vendor/quote/src/runtime.rs
+++ b/vendor/quote/src/runtime.rs
@@ -1,10 +1,12 @@
+use self::get_span::{GetSpan, GetSpanBase, GetSpanInner};
 use crate::{IdentFragment, ToTokens, TokenStreamExt};
 use core::fmt;
 use core::iter;
 use core::ops::BitOr;
+use proc_macro2::{Group, Ident, Punct, Spacing, TokenTree};
 
 pub use core::option::Option;
-pub use proc_macro2::*;
+pub use proc_macro2::{Delimiter, Span, TokenStream};
 pub use std::format;
 
 pub struct HasIterator; // True
@@ -164,6 +166,62 @@ impl<T: ToTokens> ToTokens for RepInterp<T> {
     }
 }
 
+#[inline]
+pub fn get_span<T>(span: T) -> GetSpan<T> {
+    GetSpan(GetSpanInner(GetSpanBase(span)))
+}
+
+mod get_span {
+    use core::ops::Deref;
+    use proc_macro2::extra::DelimSpan;
+    use proc_macro2::Span;
+
+    pub struct GetSpan<T>(pub(crate) GetSpanInner<T>);
+
+    pub struct GetSpanInner<T>(pub(crate) GetSpanBase<T>);
+
+    pub struct GetSpanBase<T>(pub(crate) T);
+
+    impl GetSpan<Span> {
+        #[inline]
+        pub fn __into_span(self) -> Span {
+            ((self.0).0).0
+        }
+    }
+
+    impl GetSpanInner<DelimSpan> {
+        #[inline]
+        pub fn __into_span(&self) -> Span {
+            (self.0).0.join()
+        }
+    }
+
+    impl<T> GetSpanBase<T> {
+        #[allow(clippy::unused_self)]
+        pub fn __into_span(&self) -> T {
+            unreachable!()
+        }
+    }
+
+    impl<T> Deref for GetSpan<T> {
+        type Target = GetSpanInner<T>;
+
+        #[inline]
+        fn deref(&self) -> &Self::Target {
+            &self.0
+        }
+    }
+
+    impl<T> Deref for GetSpanInner<T> {
+        type Target = GetSpanBase<T>;
+
+        #[inline]
+        fn deref(&self) -> &Self::Target {
+            &self.0
+        }
+    }
+}
+
 pub fn push_group(tokens: &mut TokenStream, delimiter: Delimiter, inner: TokenStream) {
     tokens.append(Group::new(delimiter, inner));
 }
diff --git a/vendor/quote/src/spanned.rs b/vendor/quote/src/spanned.rs
index f64c8f5df..efc2e8bce 100644
--- a/vendor/quote/src/spanned.rs
+++ b/vendor/quote/src/spanned.rs
@@ -1,7 +1,9 @@
 use crate::ToTokens;
+use proc_macro2::extra::DelimSpan;
 use proc_macro2::{Span, TokenStream};
 
-pub trait Spanned {
+// Not public API other than via the syn crate. Use syn::spanned::Spanned.
+pub trait Spanned: private::Sealed {
     fn __span(&self) -> Span;
 }
 
@@ -11,6 +13,12 @@ impl Spanned for Span {
     }
 }
 
+impl Spanned for DelimSpan {
+    fn __span(&self) -> Span {
+        self.join()
+    }
+}
+
 impl<T: ?Sized + ToTokens> Spanned for T {
     fn __span(&self) -> Span {
         join_spans(self.into_token_stream())
@@ -41,3 +49,14 @@ fn join_spans(tokens: TokenStream) -> Span {
         .and_then(|last| first.join(last))
         .unwrap_or(first)
 }
+
+mod private {
+    use crate::ToTokens;
+    use proc_macro2::extra::DelimSpan;
+    use proc_macro2::Span;
+
+    pub trait Sealed {}
+    impl Sealed for Span {}
+    impl Sealed for DelimSpan {}
+    impl<T: ?Sized + ToTokens> Sealed for T {}
+}