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-rw-r--r--vendor/syn/.cargo-checksum.json2
-rw-r--r--vendor/syn/Cargo.toml5
-rw-r--r--vendor/syn/README.md2
-rw-r--r--vendor/syn/src/buffer.rs50
-rw-r--r--vendor/syn/src/drops.rs58
-rw-r--r--vendor/syn/src/error.rs54
-rw-r--r--vendor/syn/src/generics.rs25
-rw-r--r--vendor/syn/src/lib.rs6
-rw-r--r--vendor/syn/src/path.rs5
-rw-r--r--vendor/syn/src/punctuated.rs43
-rw-r--r--vendor/syn/src/ty.rs92
-rw-r--r--vendor/syn/src/verbatim.rs20
-rw-r--r--vendor/syn/tests/common/eq.rs95
-rw-r--r--vendor/syn/tests/regression.rs2
-rw-r--r--vendor/syn/tests/regression/issue1235.rs32
-rw-r--r--vendor/syn/tests/repo/mod.rs2
-rw-r--r--vendor/syn/tests/test_expr.rs70
-rw-r--r--vendor/syn/tests/test_iterators.rs19
-rw-r--r--vendor/syn/tests/test_round_trip.rs8
-rw-r--r--vendor/syn/tests/test_size.rs4
20 files changed, 416 insertions, 178 deletions
diff --git a/vendor/syn/.cargo-checksum.json b/vendor/syn/.cargo-checksum.json
index 8b90dae0f..edd04e5cd 100644
--- a/vendor/syn/.cargo-checksum.json
+++ b/vendor/syn/.cargo-checksum.json
@@ -1 +1 @@
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\ No newline at end of file
+{"files":{"Cargo.toml":"1ff565970239963d56cbfdd20476fd265fcf2d050fc5ed92a298686321985230","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"23f18e03dc49df91622fe2a76176497404e46ced8a715d9d2b67a7446571cca3","README.md":"ea9f2b6340b302b5608d2bedcda7e2d707f3eaebf4cc983c02d55071ead7096f","benches/file.rs":"3d737ef3878f6e242b003af9bd539e565f98439a12ee44d9548d84e3fdd7af0c","benches/rust.rs":"11ac9fe898a7bf1bd63e8a8cc9c08bd795b01f0248215cff99afaaf28ce87fab","build.rs":"b815649fd2929d3debd93a58f5da2fb8eba506047a6a5ba538347305828a87b0","src/attr.rs":"234d9cebe2c5e92cd0f5e1117bf5755037e2e905788a337000a65d4bd82b63aa","src/await.rs":"8aa22e3c201cb2bdb6b4817fa00901f308ab06817607aa7b884c58c957705969","src/bigint.rs":"efc7f64959980653d73fe4f8bc2a3a2904dc05f45b02c6dc15cd316fa3d7c338","src/buffer.rs":"4d15f35273d485261be4f1a765ae03abc1daee9fc9dac5fb4f9b624d6b22cb58","src/custom_keyword.rs":"5c706fc3611e73d16b8c019d7ecb848a86b1ccfcd9e556f80bb6e6a4abe058a8","src/custom_punctuation.rs":"8a666298e774b0d326642f0f73284f6677d0d0a7c9e4a712c9c98d010b4d8a2c","src/data.rs":"75d2c2b5d6a01bf8a6fa2845e41663d8045a78b4b191f1a1bd7c93619d20017a","src/derive.rs":"ee24a202be2d36ccdff576dd9cd765e94b33ef2286946e6725d75b08e777d462","src/discouraged.rs":"6c6a9298f8d24f578da119557bc588f3bd928f7b79fca27d6bdfe3e786dd005f","src/drops.rs":"013385f1dd95663f1afab41abc1e2eea04181998644828935ca564c74d6462ae","src/error.rs":"b30e738fdab7d10e126350e09f7ad907bf4dc14e684b9ed9eeea001c7ee356e0","src/export.rs":"0cf50d70c32d5fddba8b1193032df62e560237c113df3e86ba26b565cc82838e","src/expr.rs":"5eea3828f3291b0ce5463ed5f0c23fc8a39aeceae68a3247ae02ae467dd35a98","src/ext.rs":"1f648cff1d705a1cea64b32b77482b97a82d2fe0aaf63b40cade91e5c02dc969","src/file.rs":"f86697655222ae294215114f4eae8e6b0b5e2a935d6c479ff8f8f889c4efd2e2","src/gen/clone.rs":"76e89fe155fedf43bc4a252af7e35319b82ce455f584bad8698fdc3f9b7f5d4e","src/gen/debug.rs":"4b05e474e864ce6bf1a5a6ab48ee6c0ecdf41a0d750237990cf2e31963bc1208","src/gen/eq.rs":"79f84836fdcd5cfa352f38055dab7c3246c7757650946c1c701234b11021652a","src/gen/fold.rs":"fcd6a05c8c8e0c36e7ede8593002528b553c8b648fbed452106fd6a8a8c9212a","src/gen/hash.rs":"575e8beae303c1eabda12bf76cbd82672268c502a8ebb8517aab18b40fdbc44e","src/gen/visit.rs":"ced9f6c17d2b3eb3553faab710cb2b3d44d6bca7d1862c8c5da09c3d45debecb","src/gen/visit_mut.rs":"966ea340c53461bf8a1c6bed3c882e4ab8b8907fd18ac35531266f7891ae5f46","src/gen_helper.rs":"ea6c66388365971db6a2fc86cbb208f7eacde77e245bc8623f27a3642a3d7741","src/generics.rs":"b81ce0d3ea0f7accef4590d5181cecc4589395865abaea60b0470da727f17340","src/group.rs":"166f0fbb365471ffa3e4f554b72c2b460cbf7e3a1f9bec6c01ef6bbbcd751041","src/ident.rs":"2443e43561abea7eea577b141422258237a663499c839923d8a5ca6fea2470db","src/item.rs":"419c4d6135a7ca7b8f94b5ba038b6af8fcb3939ae807153a19e3c82e9b01e0b7","src/lib.rs":"8c152481907905472fc3e4aae63f82ed78d4d16cf8cc286675727668760c7f2e","src/lifetime.rs":"b18862ef1e690037a4f308ea897debad7bc5038584e3b26c6d8809752ea0e3c2","src/lit.rs":"fc06ddd523f7f9971d8abdb4c8d5d51030ffb3d6810615d5575ae210a7800695","src/lookahead.rs":"e2c2b6d55906421e83dab51463b58bc6dcb582f1bff9303c8b62afefb8d71e5f","src/mac.rs":"004cb89f9697564f6c9ee837e08ead68463ef946fb4c13c6c105adf2ba364b2b","src/macros.rs":"936f503c2fcde602f05220954ecaf87625c6138d0af13d33d56c7b6530110084","src/op.rs":"9d499022902743a6a0a19223b356449a979b90e60552d0446497d72750e646a4","src/parse.rs":"7b2f8caddf25a5734cbcdf7cbf043cbf9afbc07b484966cd59ddfcec9f970fb3","src/parse_macro_input.rs":"a5d16859b782bb6a2754c1066468a2f1ea05b57390caa32175bb84064973be7b","src/parse_quote.rs":"d7d996f1382c68b5fbfd4b7327ce1d389cd43c3bb3c4f382a35994d0bb79d8ab","src/pat.rs":"b2de04ae6c01df50eab9d1c3908287aca8424adc2007b926c7bcf74d1f64d40a","src/path.rs":"58a4fb3b1ff76d32cfd84a3914f8cadbf55b363c1929222b362b7465385520ac","src/print.rs":"da6529c1d9d21aaf6c835f66b4e67eacb7cf91a10eb5e9a2143b49bf99b3b5e1","src/punctuated.rs":"44c29523dee76605be2531674fe21ed2f1bbd02559aac8b7a49c70af23129ca1","src/reserved.rs":"e70e028bd55cfa43e23cab4ba29e4dc53a3d91eff685ef2b6e57efc2b87a3428","src/sealed.rs":"896a495a5340eec898527f18bd4ddca408ea03ea0ee3af30074ff48deace778d","src/span.rs":"748c51c6feb223c26d3b1701f5bb98aee823666c775c98106cfa24fe29d8cec1","src/spanned.rs":"3ca016a943637653ab98e373dfb826a120f3c159867346fa38a844439944eb39","src/stmt.rs":"601a6914f1e0bf97ae0d31d474a531d195b8c251a4ded11aa8746ac0018d367b","src/thread.rs":"815eca6bd64f4eef7c447f0809e84108f5428ff50225224b373efd8fbb696874","src/token.rs":"5e423a696f80e281c322f37c87577f9fdc28607e9c007e24896a2b12da62d5ad","src/tt.rs":"32402645b6e82ef1e882945721b59b5fb7b0ee337d1972876362ecacef643d0f","src/ty.rs":"9befd22f8c8ac731b7f68008552a1335797a3ef19184190eec0e103e4ebe18a7","src/verbatim.rs":"96d4280e4556a1841b8dcb306bc35a94d18f71dceb63f3c27a4fe7f776191760","src/whitespace.rs":"e63dd0aa3d34029f17766a8b09c1a6e4479e36c552c8b7023d710a399333aace","tests/common/eq.rs":"e930fb0bdcec3e787986b56785b1db580e5a26a5131df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\ No newline at end of file
diff --git a/vendor/syn/Cargo.toml b/vendor/syn/Cargo.toml
index 7b1412593..c2a36013e 100644
--- a/vendor/syn/Cargo.toml
+++ b/vendor/syn/Cargo.toml
@@ -13,7 +13,7 @@
edition = "2018"
rust-version = "1.31"
name = "syn"
-version = "1.0.102"
+version = "1.0.107"
authors = ["David Tolnay <dtolnay@gmail.com>"]
include = [
"/benches/**",
@@ -56,6 +56,9 @@ features = [
"extra-traits",
]
+[lib]
+doc-scrape-examples = false
+
[[bench]]
name = "rust"
harness = false
diff --git a/vendor/syn/README.md b/vendor/syn/README.md
index 9c883ae2b..eeef83dd5 100644
--- a/vendor/syn/README.md
+++ b/vendor/syn/README.md
@@ -4,7 +4,7 @@ Parser for Rust source code
[<img alt="github" src="https://img.shields.io/badge/github-dtolnay/syn-8da0cb?style=for-the-badge&labelColor=555555&logo=github" height="20">](https://github.com/dtolnay/syn)
[<img alt="crates.io" src="https://img.shields.io/crates/v/syn.svg?style=for-the-badge&color=fc8d62&logo=rust" height="20">](https://crates.io/crates/syn)
[<img alt="docs.rs" src="https://img.shields.io/badge/docs.rs-syn-66c2a5?style=for-the-badge&labelColor=555555&logo=docs.rs" height="20">](https://docs.rs/syn)
-[<img alt="build status" src="https://img.shields.io/github/workflow/status/dtolnay/syn/CI/master?style=for-the-badge" height="20">](https://github.com/dtolnay/syn/actions?query=branch%3Amaster)
+[<img alt="build status" src="https://img.shields.io/github/actions/workflow/status/dtolnay/syn/ci.yml?branch=master&style=for-the-badge" height="20">](https://github.com/dtolnay/syn/actions?query=branch%3Amaster)
Syn is a parsing library for parsing a stream of Rust tokens into a syntax tree
of Rust source code.
diff --git a/vendor/syn/src/buffer.rs b/vendor/syn/src/buffer.rs
index 161b614c8..0d5cf30d5 100644
--- a/vendor/syn/src/buffer.rs
+++ b/vendor/syn/src/buffer.rs
@@ -14,6 +14,7 @@
use crate::proc_macro as pm;
use crate::Lifetime;
use proc_macro2::{Delimiter, Group, Ident, Literal, Punct, Spacing, Span, TokenStream, TokenTree};
+use std::cmp::Ordering;
use std::marker::PhantomData;
/// Internal type which is used instead of `TokenTree` to represent a token tree
@@ -25,7 +26,8 @@ enum Entry {
Ident(Ident),
Punct(Punct),
Literal(Literal),
- End,
+ // End entries contain the offset (negative) to the start of the buffer.
+ End(isize),
}
/// A buffer that can be efficiently traversed multiple times, unlike
@@ -48,10 +50,10 @@ impl TokenBuffer {
TokenTree::Literal(literal) => entries.push(Entry::Literal(literal)),
TokenTree::Group(group) => {
let group_start_index = entries.len();
- entries.push(Entry::End); // we replace this below
+ entries.push(Entry::End(0)); // we replace this below
Self::recursive_new(entries, group.stream());
let group_end_index = entries.len();
- entries.push(Entry::End);
+ entries.push(Entry::End(-(group_end_index as isize)));
let group_end_offset = group_end_index - group_start_index;
entries[group_start_index] = Entry::Group(group, group_end_offset);
}
@@ -77,7 +79,7 @@ impl TokenBuffer {
pub fn new2(stream: TokenStream) -> Self {
let mut entries = Vec::new();
Self::recursive_new(&mut entries, stream);
- entries.push(Entry::End);
+ entries.push(Entry::End(-(entries.len() as isize)));
Self {
entries: entries.into_boxed_slice(),
}
@@ -127,7 +129,7 @@ impl<'a> Cursor<'a> {
// object in global storage.
struct UnsafeSyncEntry(Entry);
unsafe impl Sync for UnsafeSyncEntry {}
- static EMPTY_ENTRY: UnsafeSyncEntry = UnsafeSyncEntry(Entry::End);
+ static EMPTY_ENTRY: UnsafeSyncEntry = UnsafeSyncEntry(Entry::End(0));
Cursor {
ptr: &EMPTY_ENTRY.0,
@@ -144,7 +146,7 @@ impl<'a> Cursor<'a> {
// past it, unless `ptr == scope`, which means that we're at the edge of
// our cursor's scope. We should only have `ptr != scope` at the exit
// from None-delimited groups entered with `ignore_none`.
- while let Entry::End = *ptr {
+ while let Entry::End(_) = *ptr {
if ptr == scope {
break;
}
@@ -292,7 +294,7 @@ impl<'a> Cursor<'a> {
Entry::Literal(literal) => (literal.clone().into(), 1),
Entry::Ident(ident) => (ident.clone().into(), 1),
Entry::Punct(punct) => (punct.clone().into(), 1),
- Entry::End => return None,
+ Entry::End(_) => return None,
};
let rest = unsafe { Cursor::create(self.ptr.add(len), self.scope) };
@@ -307,7 +309,7 @@ impl<'a> Cursor<'a> {
Entry::Literal(literal) => literal.span(),
Entry::Ident(ident) => ident.span(),
Entry::Punct(punct) => punct.span(),
- Entry::End => Span::call_site(),
+ Entry::End(_) => Span::call_site(),
}
}
@@ -317,7 +319,7 @@ impl<'a> Cursor<'a> {
/// This method treats `'lifetimes` as a single token.
pub(crate) fn skip(self) -> Option<Cursor<'a>> {
let len = match self.entry() {
- Entry::End => return None,
+ Entry::End(_) => return None,
// Treat lifetimes as a single tt for the purposes of 'skip'.
Entry::Punct(punct) if punct.as_char() == '\'' && punct.spacing() == Spacing::Joint => {
@@ -347,9 +349,17 @@ impl<'a> Eq for Cursor<'a> {}
impl<'a> PartialEq for Cursor<'a> {
fn eq(&self, other: &Self) -> bool {
- let Cursor { ptr, scope, marker } = self;
- let _ = marker;
- *ptr == other.ptr && *scope == other.scope
+ self.ptr == other.ptr
+ }
+}
+
+impl<'a> PartialOrd for Cursor<'a> {
+ fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+ if same_buffer(*self, *other) {
+ Some(self.ptr.cmp(&other.ptr))
+ } else {
+ None
+ }
}
}
@@ -357,6 +367,22 @@ pub(crate) fn same_scope(a: Cursor, b: Cursor) -> bool {
a.scope == b.scope
}
+pub(crate) fn same_buffer(a: Cursor, b: Cursor) -> bool {
+ unsafe {
+ match (&*a.scope, &*b.scope) {
+ (Entry::End(a_offset), Entry::End(b_offset)) => {
+ a.scope.offset(*a_offset) == b.scope.offset(*b_offset)
+ }
+ _ => unreachable!(),
+ }
+ }
+}
+
+#[cfg(any(feature = "full", feature = "derive"))]
+pub(crate) fn cmp_assuming_same_buffer(a: Cursor, b: Cursor) -> Ordering {
+ a.ptr.cmp(&b.ptr)
+}
+
pub(crate) fn open_span_of_group(cursor: Cursor) -> Span {
match cursor.entry() {
Entry::Group(group, _) => group.span_open(),
diff --git a/vendor/syn/src/drops.rs b/vendor/syn/src/drops.rs
new file mode 100644
index 000000000..89b42d82e
--- /dev/null
+++ b/vendor/syn/src/drops.rs
@@ -0,0 +1,58 @@
+use std::iter;
+use std::mem::ManuallyDrop;
+use std::ops::{Deref, DerefMut};
+use std::option;
+use std::slice;
+
+#[repr(transparent)]
+pub(crate) struct NoDrop<T: ?Sized>(ManuallyDrop<T>);
+
+impl<T> NoDrop<T> {
+ pub(crate) fn new(value: T) -> Self
+ where
+ T: TrivialDrop,
+ {
+ NoDrop(ManuallyDrop::new(value))
+ }
+}
+
+impl<T: ?Sized> Deref for NoDrop<T> {
+ type Target = T;
+ fn deref(&self) -> &Self::Target {
+ &self.0
+ }
+}
+
+impl<T: ?Sized> DerefMut for NoDrop<T> {
+ fn deref_mut(&mut self) -> &mut Self::Target {
+ &mut self.0
+ }
+}
+
+pub(crate) trait TrivialDrop {}
+
+impl<T> TrivialDrop for iter::Empty<T> {}
+impl<'a, T> TrivialDrop for slice::Iter<'a, T> {}
+impl<'a, T> TrivialDrop for slice::IterMut<'a, T> {}
+impl<'a, T> TrivialDrop for option::IntoIter<&'a T> {}
+impl<'a, T> TrivialDrop for option::IntoIter<&'a mut T> {}
+
+#[test]
+fn test_needs_drop() {
+ use std::mem::needs_drop;
+
+ struct NeedsDrop;
+
+ impl Drop for NeedsDrop {
+ fn drop(&mut self) {}
+ }
+
+ assert!(needs_drop::<NeedsDrop>());
+
+ // Test each of the types with a handwritten TrivialDrop impl above.
+ assert!(!needs_drop::<iter::Empty<NeedsDrop>>());
+ assert!(!needs_drop::<slice::Iter<NeedsDrop>>());
+ assert!(!needs_drop::<slice::IterMut<NeedsDrop>>());
+ assert!(!needs_drop::<option::IntoIter<&NeedsDrop>>());
+ assert!(!needs_drop::<option::IntoIter<&mut NeedsDrop>>());
+}
diff --git a/vendor/syn/src/error.rs b/vendor/syn/src/error.rs
index 609cc086f..e301367d5 100644
--- a/vendor/syn/src/error.rs
+++ b/vendor/syn/src/error.rs
@@ -134,12 +134,16 @@ impl Error {
/// }
/// ```
pub fn new<T: Display>(span: Span, message: T) -> Self {
- Error {
- messages: vec![ErrorMessage {
- start_span: ThreadBound::new(span),
- end_span: ThreadBound::new(span),
- message: message.to_string(),
- }],
+ return new(span, message.to_string());
+
+ fn new(span: Span, message: String) -> Error {
+ Error {
+ messages: vec![ErrorMessage {
+ start_span: ThreadBound::new(span),
+ end_span: ThreadBound::new(span),
+ message,
+ }],
+ }
}
}
@@ -158,15 +162,19 @@ impl Error {
/// `ParseStream::error`)!
#[cfg(feature = "printing")]
pub fn new_spanned<T: ToTokens, U: Display>(tokens: T, message: U) -> Self {
- let mut iter = tokens.into_token_stream().into_iter();
- let start = iter.next().map_or_else(Span::call_site, |t| t.span());
- let end = iter.last().map_or(start, |t| t.span());
- Error {
- messages: vec![ErrorMessage {
- start_span: ThreadBound::new(start),
- end_span: ThreadBound::new(end),
- message: message.to_string(),
- }],
+ return new_spanned(tokens.into_token_stream(), message.to_string());
+
+ fn new_spanned(tokens: TokenStream, message: String) -> Error {
+ let mut iter = tokens.into_iter();
+ let start = iter.next().map_or_else(Span::call_site, |t| t.span());
+ let end = iter.last().map_or(start, |t| t.span());
+ Error {
+ messages: vec![ErrorMessage {
+ start_span: ThreadBound::new(start),
+ end_span: ThreadBound::new(end),
+ message,
+ }],
+ }
}
}
@@ -288,12 +296,16 @@ pub fn new_at<T: Display>(scope: Span, cursor: Cursor, message: T) -> Error {
#[cfg(all(feature = "parsing", any(feature = "full", feature = "derive")))]
pub fn new2<T: Display>(start: Span, end: Span, message: T) -> Error {
- Error {
- messages: vec![ErrorMessage {
- start_span: ThreadBound::new(start),
- end_span: ThreadBound::new(end),
- message: message.to_string(),
- }],
+ return new2(start, end, message.to_string());
+
+ fn new2(start: Span, end: Span, message: String) -> Error {
+ Error {
+ messages: vec![ErrorMessage {
+ start_span: ThreadBound::new(start),
+ end_span: ThreadBound::new(end),
+ message,
+ }],
+ }
}
}
diff --git a/vendor/syn/src/generics.rs b/vendor/syn/src/generics.rs
index 9c2802f87..6d4fe847e 100644
--- a/vendor/syn/src/generics.rs
+++ b/vendor/syn/src/generics.rs
@@ -828,6 +828,31 @@ pub mod parsing {
}
}
+ impl TypeParamBound {
+ pub(crate) fn parse_multiple(
+ input: ParseStream,
+ allow_plus: bool,
+ ) -> Result<Punctuated<Self, Token![+]>> {
+ let mut bounds = Punctuated::new();
+ loop {
+ bounds.push_value(input.parse()?);
+ if !(allow_plus && input.peek(Token![+])) {
+ break;
+ }
+ bounds.push_punct(input.parse()?);
+ if !(input.peek(Ident::peek_any)
+ || input.peek(Token![::])
+ || input.peek(Token![?])
+ || input.peek(Lifetime)
+ || input.peek(token::Paren))
+ {
+ break;
+ }
+ }
+ Ok(bounds)
+ }
+ }
+
#[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
impl Parse for TraitBound {
fn parse(input: ParseStream) -> Result<Self> {
diff --git a/vendor/syn/src/lib.rs b/vendor/syn/src/lib.rs
index 81f03e1b5..e47ba28c6 100644
--- a/vendor/syn/src/lib.rs
+++ b/vendor/syn/src/lib.rs
@@ -250,13 +250,14 @@
//! dynamic library libproc_macro from rustc toolchain.
// Syn types in rustdoc of other crates get linked to here.
-#![doc(html_root_url = "https://docs.rs/syn/1.0.102")]
+#![doc(html_root_url = "https://docs.rs/syn/1.0.107")]
#![cfg_attr(doc_cfg, feature(doc_cfg))]
#![allow(non_camel_case_types)]
#![allow(
clippy::bool_to_int_with_if,
clippy::cast_lossless,
clippy::cast_possible_truncation,
+ clippy::cast_possible_wrap,
clippy::cast_ptr_alignment,
clippy::default_trait_access,
clippy::doc_markdown,
@@ -264,8 +265,8 @@
clippy::explicit_auto_deref,
clippy::if_not_else,
clippy::inherent_to_string,
+ clippy::items_after_statements,
clippy::large_enum_variant,
- clippy::let_underscore_drop,
clippy::manual_assert,
clippy::match_on_vec_items,
clippy::match_same_arms,
@@ -428,6 +429,7 @@ pub use crate::path::{
#[cfg(feature = "parsing")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
pub mod buffer;
+mod drops;
#[cfg(feature = "parsing")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
pub mod ext;
diff --git a/vendor/syn/src/path.rs b/vendor/syn/src/path.rs
index 742273afd..6cdb43ac5 100644
--- a/vendor/syn/src/path.rs
+++ b/vendor/syn/src/path.rs
@@ -89,9 +89,8 @@ impl PathArguments {
}
}
- #[cfg(feature = "parsing")]
- fn is_none(&self) -> bool {
- match *self {
+ pub fn is_none(&self) -> bool {
+ match self {
PathArguments::None => true,
PathArguments::AngleBracketed(_) | PathArguments::Parenthesized(_) => false,
}
diff --git a/vendor/syn/src/punctuated.rs b/vendor/syn/src/punctuated.rs
index 0fe1078cf..b7d0185e8 100644
--- a/vendor/syn/src/punctuated.rs
+++ b/vendor/syn/src/punctuated.rs
@@ -32,6 +32,7 @@ use std::option;
use std::slice;
use std::vec;
+use crate::drops::{NoDrop, TrivialDrop};
#[cfg(feature = "parsing")]
use crate::parse::{Parse, ParseStream, Result};
#[cfg(feature = "parsing")]
@@ -104,10 +105,10 @@ impl<T, P> Punctuated<T, P> {
/// Returns an iterator over borrowed syntax tree nodes of type `&T`.
pub fn iter(&self) -> Iter<T> {
Iter {
- inner: Box::new(PrivateIter {
+ inner: Box::new(NoDrop::new(PrivateIter {
inner: self.inner.iter(),
last: self.last.as_ref().map(Box::as_ref).into_iter(),
- }),
+ })),
}
}
@@ -115,10 +116,10 @@ impl<T, P> Punctuated<T, P> {
/// `&mut T`.
pub fn iter_mut(&mut self) -> IterMut<T> {
IterMut {
- inner: Box::new(PrivateIterMut {
+ inner: Box::new(NoDrop::new(PrivateIterMut {
inner: self.inner.iter_mut(),
last: self.last.as_mut().map(Box::as_mut).into_iter(),
- }),
+ })),
}
}
@@ -721,13 +722,13 @@ pub struct Iter<'a, T: 'a> {
// The `Item = &'a T` needs to be specified to support rustc 1.31 and older.
// On modern compilers we would be able to write just IterTrait<'a, T> where
// Item can be inferred unambiguously from the supertrait.
- inner: Box<dyn IterTrait<'a, T, Item = &'a T> + 'a>,
+ inner: Box<NoDrop<dyn IterTrait<'a, T, Item = &'a T> + 'a>>,
}
trait IterTrait<'a, T: 'a>:
DoubleEndedIterator<Item = &'a T> + ExactSizeIterator<Item = &'a T>
{
- fn clone_box(&self) -> Box<dyn IterTrait<'a, T, Item = &'a T> + 'a>;
+ fn clone_box(&self) -> Box<NoDrop<dyn IterTrait<'a, T, Item = &'a T> + 'a>>;
}
struct PrivateIter<'a, T: 'a, P: 'a> {
@@ -735,10 +736,17 @@ struct PrivateIter<'a, T: 'a, P: 'a> {
last: option::IntoIter<&'a T>,
}
+impl<'a, T, P> TrivialDrop for PrivateIter<'a, T, P>
+where
+ slice::Iter<'a, (T, P)>: TrivialDrop,
+ option::IntoIter<&'a T>: TrivialDrop,
+{
+}
+
#[cfg(any(feature = "full", feature = "derive"))]
pub(crate) fn empty_punctuated_iter<'a, T>() -> Iter<'a, T> {
Iter {
- inner: Box::new(iter::empty()),
+ inner: Box::new(NoDrop::new(iter::empty())),
}
}
@@ -813,10 +821,14 @@ impl<'a, T, P> Clone for PrivateIter<'a, T, P> {
impl<'a, T, I> IterTrait<'a, T> for I
where
T: 'a,
- I: DoubleEndedIterator<Item = &'a T> + ExactSizeIterator<Item = &'a T> + Clone + 'a,
+ I: DoubleEndedIterator<Item = &'a T>
+ + ExactSizeIterator<Item = &'a T>
+ + Clone
+ + TrivialDrop
+ + 'a,
{
- fn clone_box(&self) -> Box<dyn IterTrait<'a, T, Item = &'a T> + 'a> {
- Box::new(self.clone())
+ fn clone_box(&self) -> Box<NoDrop<dyn IterTrait<'a, T, Item = &'a T> + 'a>> {
+ Box::new(NoDrop::new(self.clone()))
}
}
@@ -826,7 +838,7 @@ where
///
/// [module documentation]: self
pub struct IterMut<'a, T: 'a> {
- inner: Box<dyn IterMutTrait<'a, T, Item = &'a mut T> + 'a>,
+ inner: Box<NoDrop<dyn IterMutTrait<'a, T, Item = &'a mut T> + 'a>>,
}
trait IterMutTrait<'a, T: 'a>:
@@ -839,10 +851,17 @@ struct PrivateIterMut<'a, T: 'a, P: 'a> {
last: option::IntoIter<&'a mut T>,
}
+impl<'a, T, P> TrivialDrop for PrivateIterMut<'a, T, P>
+where
+ slice::IterMut<'a, (T, P)>: TrivialDrop,
+ option::IntoIter<&'a mut T>: TrivialDrop,
+{
+}
+
#[cfg(any(feature = "full", feature = "derive"))]
pub(crate) fn empty_punctuated_iter_mut<'a, T>() -> IterMut<'a, T> {
IterMut {
- inner: Box::new(iter::empty()),
+ inner: Box::new(NoDrop::new(iter::empty())),
}
}
diff --git a/vendor/syn/src/ty.rs b/vendor/syn/src/ty.rs
index 4068be3c7..8c841e2f7 100644
--- a/vendor/syn/src/ty.rs
+++ b/vendor/syn/src/ty.rs
@@ -337,7 +337,7 @@ pub mod parsing {
use crate::ext::IdentExt;
use crate::parse::{Parse, ParseStream, Result};
use crate::path;
- use proc_macro2::{Punct, Spacing, TokenTree};
+ use proc_macro2::{Punct, Spacing, Span, TokenTree};
#[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
impl Parse for Type {
@@ -546,13 +546,17 @@ pub mod parsing {
|| lookahead.peek(Token![<])
{
let dyn_token: Option<Token![dyn]> = input.parse()?;
- if dyn_token.is_some() {
+ if let Some(dyn_token) = dyn_token {
+ let dyn_span = dyn_token.span;
let star_token: Option<Token![*]> = input.parse()?;
- let bounds = TypeTraitObject::parse_bounds(input, allow_plus)?;
+ let bounds = TypeTraitObject::parse_bounds(dyn_span, input, allow_plus)?;
return Ok(if star_token.is_some() {
Type::Verbatim(verbatim::between(begin, input))
} else {
- Type::TraitObject(TypeTraitObject { dyn_token, bounds })
+ Type::TraitObject(TypeTraitObject {
+ dyn_token: Some(dyn_token),
+ bounds,
+ })
});
}
@@ -896,15 +900,6 @@ pub mod parsing {
}
}
- fn at_least_one_type(bounds: &Punctuated<TypeParamBound, Token![+]>) -> bool {
- for bound in bounds {
- if let TypeParamBound::Trait(_) = *bound {
- return true;
- }
- }
- false
- }
-
impl TypeTraitObject {
#[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
pub fn without_plus(input: ParseStream) -> Result<Self> {
@@ -914,35 +909,38 @@ pub mod parsing {
// Only allow multiple trait references if allow_plus is true.
pub(crate) fn parse(input: ParseStream, allow_plus: bool) -> Result<Self> {
- Ok(TypeTraitObject {
- dyn_token: input.parse()?,
- bounds: Self::parse_bounds(input, allow_plus)?,
- })
+ let dyn_token: Option<Token![dyn]> = input.parse()?;
+ let dyn_span = match &dyn_token {
+ Some(token) => token.span,
+ None => input.span(),
+ };
+ let bounds = Self::parse_bounds(dyn_span, input, allow_plus)?;
+ Ok(TypeTraitObject { dyn_token, bounds })
}
fn parse_bounds(
+ dyn_span: Span,
input: ParseStream,
allow_plus: bool,
) -> Result<Punctuated<TypeParamBound, Token![+]>> {
- let mut bounds = Punctuated::new();
- loop {
- bounds.push_value(input.parse()?);
- if !(allow_plus && input.peek(Token![+])) {
- break;
- }
- bounds.push_punct(input.parse()?);
- if !(input.peek(Ident::peek_any)
- || input.peek(Token![::])
- || input.peek(Token![?])
- || input.peek(Lifetime)
- || input.peek(token::Paren))
- {
- break;
+ let bounds = TypeParamBound::parse_multiple(input, allow_plus)?;
+ let mut last_lifetime_span = None;
+ let mut at_least_one_trait = false;
+ for bound in &bounds {
+ match bound {
+ TypeParamBound::Trait(_) => {
+ at_least_one_trait = true;
+ break;
+ }
+ TypeParamBound::Lifetime(lifetime) => {
+ last_lifetime_span = Some(lifetime.ident.span());
+ }
}
}
// Just lifetimes like `'a + 'b` is not a TraitObject.
- if !at_least_one_type(&bounds) {
- return Err(input.error("expected at least one type"));
+ if !at_least_one_trait {
+ let msg = "at least one trait is required for an object type";
+ return Err(error::new2(dyn_span, last_lifetime_span.unwrap(), msg));
}
Ok(bounds)
}
@@ -964,10 +962,30 @@ pub mod parsing {
}
pub(crate) fn parse(input: ParseStream, allow_plus: bool) -> Result<Self> {
- Ok(TypeImplTrait {
- impl_token: input.parse()?,
- bounds: TypeTraitObject::parse_bounds(input, allow_plus)?,
- })
+ let impl_token: Token![impl] = input.parse()?;
+ let bounds = TypeParamBound::parse_multiple(input, allow_plus)?;
+ let mut last_lifetime_span = None;
+ let mut at_least_one_trait = false;
+ for bound in &bounds {
+ match bound {
+ TypeParamBound::Trait(_) => {
+ at_least_one_trait = true;
+ break;
+ }
+ TypeParamBound::Lifetime(lifetime) => {
+ last_lifetime_span = Some(lifetime.ident.span());
+ }
+ }
+ }
+ if !at_least_one_trait {
+ let msg = "at least one trait must be specified";
+ return Err(error::new2(
+ impl_token.span,
+ last_lifetime_span.unwrap(),
+ msg,
+ ));
+ }
+ Ok(TypeImplTrait { impl_token, bounds })
}
}
diff --git a/vendor/syn/src/verbatim.rs b/vendor/syn/src/verbatim.rs
index 0686352f7..58cf68d17 100644
--- a/vendor/syn/src/verbatim.rs
+++ b/vendor/syn/src/verbatim.rs
@@ -1,13 +1,31 @@
use crate::parse::{ParseBuffer, ParseStream};
-use proc_macro2::TokenStream;
+use proc_macro2::{Delimiter, TokenStream};
+use std::cmp::Ordering;
use std::iter;
pub fn between<'a>(begin: ParseBuffer<'a>, end: ParseStream<'a>) -> TokenStream {
let end = end.cursor();
let mut cursor = begin.cursor();
+ assert!(crate::buffer::same_buffer(end, cursor));
+
let mut tokens = TokenStream::new();
while cursor != end {
let (tt, next) = cursor.token_tree().unwrap();
+
+ if crate::buffer::cmp_assuming_same_buffer(end, next) == Ordering::Less {
+ // A syntax node can cross the boundary of a None-delimited group
+ // due to such groups being transparent to the parser in most cases.
+ // Any time this occurs the group is known to be semantically
+ // irrelevant. https://github.com/dtolnay/syn/issues/1235
+ if let Some((inside, _span, after)) = cursor.group(Delimiter::None) {
+ assert!(next == after);
+ cursor = inside;
+ continue;
+ } else {
+ panic!("verbatim end must not be inside a delimited group");
+ }
+ }
+
tokens.extend(iter::once(tt));
cursor = next;
}
diff --git a/vendor/syn/tests/common/eq.rs b/vendor/syn/tests/common/eq.rs
index a53146241..41d6d4118 100644
--- a/vendor/syn/tests/common/eq.rs
+++ b/vendor/syn/tests/common/eq.rs
@@ -13,6 +13,8 @@ use rustc_ast::ast::AssocConstraint;
use rustc_ast::ast::AssocConstraintKind;
use rustc_ast::ast::AssocItemKind;
use rustc_ast::ast::Async;
+use rustc_ast::ast::AttrArgs;
+use rustc_ast::ast::AttrArgsEq;
use rustc_ast::ast::AttrId;
use rustc_ast::ast::AttrItem;
use rustc_ast::ast::AttrKind;
@@ -26,10 +28,12 @@ use rustc_ast::ast::BlockCheckMode;
use rustc_ast::ast::BorrowKind;
use rustc_ast::ast::ByRef;
use rustc_ast::ast::CaptureBy;
+use rustc_ast::ast::Closure;
use rustc_ast::ast::ClosureBinder;
use rustc_ast::ast::Const;
use rustc_ast::ast::Crate;
use rustc_ast::ast::Defaultness;
+use rustc_ast::ast::DelimArgs;
use rustc_ast::ast::EnumDef;
use rustc_ast::ast::Expr;
use rustc_ast::ast::ExprField;
@@ -65,19 +69,18 @@ use rustc_ast::ast::Item;
use rustc_ast::ast::ItemKind;
use rustc_ast::ast::Label;
use rustc_ast::ast::Lifetime;
-use rustc_ast::ast::Lit;
use rustc_ast::ast::LitFloatType;
use rustc_ast::ast::LitIntType;
use rustc_ast::ast::LitKind;
use rustc_ast::ast::Local;
use rustc_ast::ast::LocalKind;
-use rustc_ast::ast::MacArgs;
-use rustc_ast::ast::MacArgsEq;
use rustc_ast::ast::MacCall;
use rustc_ast::ast::MacCallStmt;
use rustc_ast::ast::MacDelimiter;
use rustc_ast::ast::MacStmtStyle;
use rustc_ast::ast::MacroDef;
+use rustc_ast::ast::MetaItemLit;
+use rustc_ast::ast::MethodCall;
use rustc_ast::ast::ModKind;
use rustc_ast::ast::ModSpans;
use rustc_ast::ast::Movability;
@@ -128,7 +131,7 @@ use rustc_ast::ast::WhereEqPredicate;
use rustc_ast::ast::WherePredicate;
use rustc_ast::ast::WhereRegionPredicate;
use rustc_ast::ptr::P;
-use rustc_ast::token::{self, CommentKind, Delimiter, Nonterminal, Token, TokenKind};
+use rustc_ast::token::{self, CommentKind, Delimiter, Lit, Nonterminal, Token, TokenKind};
use rustc_ast::tokenstream::{
AttrTokenStream, AttrTokenTree, AttributesData, DelimSpan, LazyAttrTokenStream, Spacing,
TokenStream, TokenTree,
@@ -411,7 +414,9 @@ spanless_eq_struct!(AttributesData; attrs tokens);
spanless_eq_struct!(BareFnTy; unsafety ext generic_params decl decl_span);
spanless_eq_struct!(BindingAnnotation; 0 1);
spanless_eq_struct!(Block; stmts id rules span tokens could_be_bare_literal);
+spanless_eq_struct!(Closure; binder capture_clause asyncness movability fn_decl body !fn_decl_span);
spanless_eq_struct!(Crate; attrs items spans id is_placeholder);
+spanless_eq_struct!(DelimArgs; dspan delim tokens);
spanless_eq_struct!(EnumDef; variants);
spanless_eq_struct!(Expr; id kind span attrs !tokens);
spanless_eq_struct!(ExprField; attrs id span ident expr is_shorthand is_placeholder);
@@ -429,11 +434,13 @@ spanless_eq_struct!(InlineAsmSym; id qself path);
spanless_eq_struct!(Item<K>; attrs id span vis ident kind !tokens);
spanless_eq_struct!(Label; ident);
spanless_eq_struct!(Lifetime; id ident);
-spanless_eq_struct!(Lit; token_lit kind span);
+spanless_eq_struct!(Lit; kind symbol suffix);
spanless_eq_struct!(Local; pat ty kind id span attrs !tokens);
spanless_eq_struct!(MacCall; path args prior_type_ascription);
spanless_eq_struct!(MacCallStmt; mac style attrs tokens);
spanless_eq_struct!(MacroDef; body macro_rules);
+spanless_eq_struct!(MetaItemLit; token_lit kind span);
+spanless_eq_struct!(MethodCall; seg receiver args !span);
spanless_eq_struct!(ModSpans; !inner_span !inject_use_span);
spanless_eq_struct!(MutTy; ty mutbl);
spanless_eq_struct!(NormalAttr; item tokens);
@@ -460,11 +467,12 @@ spanless_eq_struct!(WhereBoundPredicate; span bound_generic_params bounded_ty bo
spanless_eq_struct!(WhereClause; has_where_token predicates span);
spanless_eq_struct!(WhereEqPredicate; span lhs_ty rhs_ty);
spanless_eq_struct!(WhereRegionPredicate; span lifetime bounds);
-spanless_eq_struct!(token::Lit; kind symbol suffix);
spanless_eq_enum!(AngleBracketedArg; Arg(0) Constraint(0));
-spanless_eq_enum!(AssocItemKind; Const(0 1 2) Fn(0) TyAlias(0) MacCall(0));
+spanless_eq_enum!(AssocItemKind; Const(0 1 2) Fn(0) Type(0) MacCall(0));
spanless_eq_enum!(AssocConstraintKind; Equality(term) Bound(bounds));
spanless_eq_enum!(Async; Yes(span closure_id return_impl_trait_id) No);
+spanless_eq_enum!(AttrArgs; Empty Delimited(0) Eq(0 1));
+spanless_eq_enum!(AttrArgsEq; Ast(0) Hir(0));
spanless_eq_enum!(AttrStyle; Outer Inner);
spanless_eq_enum!(AttrTokenTree; Token(0 1) Delimited(0 1 2) Attributes(0));
spanless_eq_enum!(BinOpKind; Add Sub Mul Div Rem And Or BitXor BitAnd BitOr Shl Shr Eq Lt Le Ne Ge Gt);
@@ -492,8 +500,6 @@ spanless_eq_enum!(IsAuto; Yes No);
spanless_eq_enum!(LitFloatType; Suffixed(0) Unsuffixed);
spanless_eq_enum!(LitIntType; Signed(0) Unsigned(0) Unsuffixed);
spanless_eq_enum!(LocalKind; Decl Init(0) InitElse(0 1));
-spanless_eq_enum!(MacArgs; Empty Delimited(0 1 2) Eq(0 1));
-spanless_eq_enum!(MacArgsEq; Ast(0) Hir(0));
spanless_eq_enum!(MacDelimiter; Parenthesis Bracket Brace);
spanless_eq_enum!(MacStmtStyle; Semicolon Braces NoBraces);
spanless_eq_enum!(ModKind; Loaded(0 1 2) Unloaded);
@@ -512,18 +518,18 @@ spanless_eq_enum!(UintTy; Usize U8 U16 U32 U64 U128);
spanless_eq_enum!(UnOp; Deref Not Neg);
spanless_eq_enum!(Unsafe; Yes(0) No);
spanless_eq_enum!(UnsafeSource; CompilerGenerated UserProvided);
-spanless_eq_enum!(UseTreeKind; Simple(0 1 2) Nested(0) Glob);
+spanless_eq_enum!(UseTreeKind; Simple(0) Nested(0) Glob);
spanless_eq_enum!(VariantData; Struct(0 1) Tuple(0 1) Unit(0));
spanless_eq_enum!(VisibilityKind; Public Restricted(path id shorthand) Inherited);
spanless_eq_enum!(WherePredicate; BoundPredicate(0) RegionPredicate(0) EqPredicate(0));
spanless_eq_enum!(ExprKind; Box(0) Array(0) ConstBlock(0) Call(0 1)
- MethodCall(0 1 2 3) Tup(0) Binary(0 1 2) Unary(0 1) Lit(0) Cast(0 1)
- Type(0 1) Let(0 1 2) If(0 1 2) While(0 1 2) ForLoop(0 1 2 3) Loop(0 1)
- Match(0 1) Closure(0 1 2 3 4 5 6) Block(0 1) Async(0 1 2) Await(0)
- TryBlock(0) Assign(0 1 2) AssignOp(0 1 2) Field(0 1) Index(0 1) Underscore
- Range(0 1 2) Path(0 1) AddrOf(0 1 2) Break(0 1) Continue(0) Ret(0)
- InlineAsm(0) MacCall(0) Struct(0) Repeat(0 1) Paren(0) Try(0) Yield(0)
- Yeet(0) Err);
+ MethodCall(0) Tup(0) Binary(0 1 2) Unary(0 1) Lit(0) Cast(0 1) Type(0 1)
+ Let(0 1 2) If(0 1 2) While(0 1 2) ForLoop(0 1 2 3) Loop(0 1 2) Match(0 1)
+ Closure(0) Block(0 1) Async(0 1 2) Await(0) TryBlock(0) Assign(0 1 2)
+ AssignOp(0 1 2) Field(0 1) Index(0 1) Underscore Range(0 1 2) Path(0 1)
+ AddrOf(0 1 2) Break(0 1) Continue(0) Ret(0) InlineAsm(0) MacCall(0)
+ Struct(0) Repeat(0 1) Paren(0) Try(0) Yield(0) Yeet(0) IncludedBytes(0)
+ Err);
spanless_eq_enum!(InlineAsmOperand; In(reg expr) Out(reg late expr)
InOut(reg late expr) SplitInOut(reg late in_expr out_expr) Const(anon_const)
Sym(sym));
@@ -697,8 +703,8 @@ fn is_escaped_literal_token(token: &Token, unescaped: Symbol) -> bool {
Token {
kind: TokenKind::Literal(lit),
span: _,
- } => match Lit::from_token_lit(*lit, DUMMY_SP) {
- Ok(lit) => is_escaped_literal(&lit, unescaped),
+ } => match MetaItemLit::from_token_lit(*lit, DUMMY_SP) {
+ Ok(lit) => is_escaped_literal_meta_item_lit(&lit, unescaped),
Err(_) => false,
},
Token {
@@ -706,7 +712,7 @@ fn is_escaped_literal_token(token: &Token, unescaped: Symbol) -> bool {
span: _,
} => match nonterminal.as_ref() {
Nonterminal::NtExpr(expr) => match &expr.kind {
- ExprKind::Lit(lit) => is_escaped_literal(lit, unescaped),
+ ExprKind::Lit(lit) => is_escaped_lit(lit, unescaped),
_ => false,
},
_ => false,
@@ -715,28 +721,51 @@ fn is_escaped_literal_token(token: &Token, unescaped: Symbol) -> bool {
}
}
-fn is_escaped_literal_macro_arg(arg: &MacArgsEq, unescaped: Symbol) -> bool {
- match arg {
- MacArgsEq::Ast(expr) => match &expr.kind {
- ExprKind::Lit(lit) => is_escaped_literal(lit, unescaped),
+fn is_escaped_literal_attr_args(value: &AttrArgsEq, unescaped: Symbol) -> bool {
+ match value {
+ AttrArgsEq::Ast(expr) => match &expr.kind {
+ ExprKind::Lit(lit) => is_escaped_lit(lit, unescaped),
_ => false,
},
- MacArgsEq::Hir(lit) => is_escaped_literal(lit, unescaped),
+ AttrArgsEq::Hir(lit) => is_escaped_literal_meta_item_lit(lit, unescaped),
}
}
-fn is_escaped_literal(lit: &Lit, unescaped: Symbol) -> bool {
+fn is_escaped_literal_meta_item_lit(lit: &MetaItemLit, unescaped: Symbol) -> bool {
match lit {
- Lit {
+ MetaItemLit {
token_lit:
- token::Lit {
+ Lit {
kind: token::LitKind::Str,
symbol: _,
suffix: None,
},
- kind: LitKind::Str(symbol, StrStyle::Cooked),
+ kind,
span: _,
- } => symbol.as_str().replace('\r', "") == unescaped.as_str().replace('\r', ""),
+ } => is_escaped_lit_kind(kind, unescaped),
+ _ => false,
+ }
+}
+
+fn is_escaped_lit(lit: &Lit, unescaped: Symbol) -> bool {
+ match lit {
+ Lit {
+ kind: token::LitKind::Str,
+ symbol: _,
+ suffix: None,
+ } => match LitKind::from_token_lit(*lit) {
+ Ok(lit_kind) => is_escaped_lit_kind(&lit_kind, unescaped),
+ _ => false,
+ },
+ _ => false,
+ }
+}
+
+fn is_escaped_lit_kind(kind: &LitKind, unescaped: Symbol) -> bool {
+ match kind {
+ LitKind::Str(symbol, StrStyle::Cooked) => {
+ symbol.as_str().replace('\r', "") == unescaped.as_str().replace('\r', "")
+ }
_ => false,
}
}
@@ -765,9 +794,9 @@ impl SpanlessEq for AttrKind {
let path = Path::from_ident(Ident::with_dummy_span(sym::doc));
SpanlessEq::eq(&path, &normal2.item.path)
&& match &normal2.item.args {
- MacArgs::Empty | MacArgs::Delimited(..) => false,
- MacArgs::Eq(_span, token) => {
- is_escaped_literal_macro_arg(token, *unescaped)
+ AttrArgs::Empty | AttrArgs::Delimited(_) => false,
+ AttrArgs::Eq(_span, value) => {
+ is_escaped_literal_attr_args(value, *unescaped)
}
}
}
diff --git a/vendor/syn/tests/regression.rs b/vendor/syn/tests/regression.rs
index 8311a91bf..fb2b25c89 100644
--- a/vendor/syn/tests/regression.rs
+++ b/vendor/syn/tests/regression.rs
@@ -1,5 +1,3 @@
-#![allow(clippy::let_underscore_drop)]
-
mod regression {
automod::dir!("tests/regression");
}
diff --git a/vendor/syn/tests/regression/issue1235.rs b/vendor/syn/tests/regression/issue1235.rs
new file mode 100644
index 000000000..883603066
--- /dev/null
+++ b/vendor/syn/tests/regression/issue1235.rs
@@ -0,0 +1,32 @@
+use proc_macro2::{Delimiter, Group};
+use quote::quote;
+
+#[test]
+fn main() {
+ // Okay. Rustc allows top-level `static` with no value syntactically, but
+ // not semantically. Syn parses as Item::Verbatim.
+ let tokens = quote! {
+ pub static FOO: usize;
+ pub static BAR: usize;
+ };
+ let file = syn::parse2::<syn::File>(tokens).unwrap();
+ println!("{:#?}", file);
+
+ // Okay.
+ let inner = Group::new(
+ Delimiter::None,
+ quote!(static FOO: usize = 0; pub static BAR: usize = 0),
+ );
+ let tokens = quote!(pub #inner;);
+ let file = syn::parse2::<syn::File>(tokens).unwrap();
+ println!("{:#?}", file);
+
+ // Formerly parser crash.
+ let inner = Group::new(
+ Delimiter::None,
+ quote!(static FOO: usize; pub static BAR: usize),
+ );
+ let tokens = quote!(pub #inner;);
+ let file = syn::parse2::<syn::File>(tokens).unwrap();
+ println!("{:#?}", file);
+}
diff --git a/vendor/syn/tests/repo/mod.rs b/vendor/syn/tests/repo/mod.rs
index 4c7be853b..8418b8719 100644
--- a/vendor/syn/tests/repo/mod.rs
+++ b/vendor/syn/tests/repo/mod.rs
@@ -188,7 +188,7 @@ fn download_and_unpack() -> Result<()> {
"https://github.com/rust-lang/rust/archive/{}.tar.gz",
REVISION
);
- let response = reqwest::blocking::get(&url)?.error_for_status()?;
+ let response = reqwest::blocking::get(url)?.error_for_status()?;
let progress = Progress::new(response);
let decoder = GzDecoder::new(progress);
let mut archive = Archive::new(decoder);
diff --git a/vendor/syn/tests/test_expr.rs b/vendor/syn/tests/test_expr.rs
index 8fd911e2a..e5b151fd8 100644
--- a/vendor/syn/tests/test_expr.rs
+++ b/vendor/syn/tests/test_expr.rs
@@ -53,36 +53,37 @@ fn test_await() {
#[rustfmt::skip]
#[test]
fn test_tuple_multi_index() {
+ let expected = snapshot!("tuple.0.0" as Expr, @r###"
+ Expr::Field {
+ base: Expr::Field {
+ base: Expr::Path {
+ path: Path {
+ segments: [
+ PathSegment {
+ ident: "tuple",
+ arguments: None,
+ },
+ ],
+ },
+ },
+ member: Unnamed(Index {
+ index: 0,
+ }),
+ },
+ member: Unnamed(Index {
+ index: 0,
+ }),
+ }
+ "###);
+
for &input in &[
- "tuple.0.0",
"tuple .0.0",
"tuple. 0.0",
"tuple.0 .0",
"tuple.0. 0",
"tuple . 0 . 0",
] {
- snapshot!(input as Expr, @r###"
- Expr::Field {
- base: Expr::Field {
- base: Expr::Path {
- path: Path {
- segments: [
- PathSegment {
- ident: "tuple",
- arguments: None,
- },
- ],
- },
- },
- member: Unnamed(Index {
- index: 0,
- }),
- },
- member: Unnamed(Index {
- index: 0,
- }),
- }
- "###);
+ assert_eq!(expected, syn::parse_str(input).unwrap());
}
for tokens in vec![
@@ -93,28 +94,7 @@ fn test_tuple_multi_index() {
quote!(tuple.0. 0),
quote!(tuple . 0 . 0),
] {
- snapshot!(tokens as Expr, @r###"
- Expr::Field {
- base: Expr::Field {
- base: Expr::Path {
- path: Path {
- segments: [
- PathSegment {
- ident: "tuple",
- arguments: None,
- },
- ],
- },
- },
- member: Unnamed(Index {
- index: 0,
- }),
- },
- member: Unnamed(Index {
- index: 0,
- }),
- }
- "###);
+ assert_eq!(expected, syn::parse2(tokens).unwrap());
}
}
diff --git a/vendor/syn/tests/test_iterators.rs b/vendor/syn/tests/test_iterators.rs
index 2c8359c15..0ab0fb914 100644
--- a/vendor/syn/tests/test_iterators.rs
+++ b/vendor/syn/tests/test_iterators.rs
@@ -47,3 +47,22 @@ fn iter() {
assert_eq!(p.iter_mut().next_back(), Some(&mut 4));
assert_eq!(p.into_iter().next_back(), Some(4));
}
+
+#[test]
+fn may_dangle() {
+ let p: Punctuated<_, Token![,]> = punctuated!(2, 3, 4);
+ for element in &p {
+ if *element == 2 {
+ drop(p);
+ break;
+ }
+ }
+
+ let mut p: Punctuated<_, Token![,]> = punctuated!(2, 3, 4);
+ for element in &mut p {
+ if *element == 2 {
+ drop(p);
+ break;
+ }
+ }
+}
diff --git a/vendor/syn/tests/test_round_trip.rs b/vendor/syn/tests/test_round_trip.rs
index c7e6e488f..9a5801d44 100644
--- a/vendor/syn/tests/test_round_trip.rs
+++ b/vendor/syn/tests/test_round_trip.rs
@@ -21,8 +21,8 @@ use rustc_ast::ast::{
WhereClause,
};
use rustc_ast::mut_visit::{self, MutVisitor};
-use rustc_error_messages::{DiagnosticMessage, FluentArgs, LazyFallbackBundle};
-use rustc_errors::{Diagnostic, PResult};
+use rustc_error_messages::{DiagnosticMessage, LazyFallbackBundle};
+use rustc_errors::{translation, Diagnostic, PResult};
use rustc_session::parse::ParseSess;
use rustc_span::source_map::FilePathMapping;
use rustc_span::FileName;
@@ -168,10 +168,10 @@ fn translate_message(diagnostic: &Diagnostic) -> String {
}
let message = &diagnostic.message[0].0;
- let args = diagnostic.args().iter().cloned().collect::<FluentArgs>();
+ let args = translation::to_fluent_args(diagnostic.args());
let (identifier, attr) = match message {
- DiagnosticMessage::Str(msg) => return msg.clone(),
+ DiagnosticMessage::Str(msg) | DiagnosticMessage::Eager(msg) => return msg.clone(),
DiagnosticMessage::FluentIdentifier(identifier, attr) => (identifier, attr),
};
diff --git a/vendor/syn/tests/test_size.rs b/vendor/syn/tests/test_size.rs
index 02b0700f0..32c6edaed 100644
--- a/vendor/syn/tests/test_size.rs
+++ b/vendor/syn/tests/test_size.rs
@@ -5,7 +5,7 @@ use syn::{Expr, Item, Lit, Pat, Type};
#[test]
fn test_expr_size() {
- assert_eq!(mem::size_of::<Expr>(), 264);
+ assert_eq!(mem::size_of::<Expr>(), 272);
}
#[test]
@@ -15,7 +15,7 @@ fn test_item_size() {
#[test]
fn test_type_size() {
- assert_eq!(mem::size_of::<Type>(), 280);
+ assert_eq!(mem::size_of::<Type>(), 288);
}
#[test]
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 18:02:53 +0000