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-rw-r--r--vendor/syn/.cargo-checksum.json2
-rw-r--r--vendor/syn/Cargo.toml4
-rw-r--r--vendor/syn/src/custom_punctuation.rs2
-rw-r--r--vendor/syn/src/data.rs38
-rw-r--r--vendor/syn/src/ident.rs10
-rw-r--r--vendor/syn/src/item.rs253
-rw-r--r--vendor/syn/src/lib.rs2
-rw-r--r--vendor/syn/src/lifetime.rs10
-rw-r--r--vendor/syn/src/lit.rs31
-rw-r--r--vendor/syn/src/macros.rs17
-rw-r--r--vendor/syn/src/path.rs13
-rw-r--r--vendor/syn/src/token.rs63
-rw-r--r--vendor/syn/tests/common/eq.rs9
-rw-r--r--vendor/syn/tests/debug/gen.rs1
-rw-r--r--vendor/syn/tests/repo/mod.rs29
-rw-r--r--vendor/syn/tests/test_lit.rs16
-rw-r--r--vendor/syn/tests/test_precedence.rs98
17 files changed, 436 insertions, 162 deletions
diff --git a/vendor/syn/.cargo-checksum.json b/vendor/syn/.cargo-checksum.json
index 1504b1098..395cafc9d 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":"f56cb0ef622eddc84e2f801e2123e0e3728847d581d8597a6d5707339162e96b","LICENSE-APACHE":"62c7a1e35f56406896d7aa7ca52d0cc0d272ac022b5d2796e7d6905db8a3636a","LICENSE-MIT":"23f18e03dc49df91622fe2a76176497404e46ced8a715d9d2b67a7446571cca3","README.md":"f6904878f9082d7d267b6d0d737ef211ff165cfd039a4d45ad88e9861f3e217f","benches/file.rs":"0a0527c78d849148cbb6118b4d36f72da7d4add865ba1a410e0a1be9e8dbfe0e","benches/rust.rs":"c006f01aacf95f61e5d6f4064be4040896a37a9632fb3dcfd9bc2a7ab171741d","src/attr.rs":"bd5ffae18a363162f7d9c12a1b6c1d023070cbf1b060c98ebc38ef79f1de9c67","src/bigint.rs":"0299829b2f7a1a798fe2f7bc1680e4a10f9b6f4a852d09af4da2deab466c4242","src/buffer.rs":"3ef1c3302acc4f9976484fd11c28981a5ff245cf4f3b8b888b7f065c8614881e","src/custom_keyword.rs":"f2704d15a337def453bdb337359fffdd014d62ae875cd6dbd442691c932f89c9","src/custom_punctuation.rs":"2e688f6a7c3c0405f209a6aaa85a43fc34807fc280e4a71235642fc9333492dd","src/data.rs":"09ce487d27f7dd79031b390c8344fc6361d64b05064ee25dba1489cf3aa56128","src/derive.rs":"3132e7f064725c7ca43f26daee93ec78037d46a935c6b0758af905cff450c15c","src/discouraged.rs":"482970b03bdee3cbc30c034f644e3293b25387db46300da5d8d8efd97dad8507","src/drops.rs":"013385f1dd95663f1afab41abc1e2eea04181998644828935ca564c74d6462ae","src/error.rs":"8dbb17978f688e12bcce58232f05c0ca9ed9de1fe511440793fb958da2fc93b9","src/export.rs":"6b519b1c17967cdd1519f52f981022435fcf940834fc8a705923426b65f21eac","src/expr.rs":"388348e9404a53331fe84d670bc0da889e1e9471461a8dc0a2e010a377103ecf","src/ext.rs":"3cf2d869812e5be894aa1c48bf074da262143fb2df1c9ac1b5ee965bf2a96a1c","src/file.rs":"a4d510dd0e2756bd54983dfa747601918c801e987cbf92deab44cdca6a201aeb","src/gen/clone.rs":"46540509dc99bb849014948a0c5b02ea372d5feceae5ea391c29f226f06516eb","src/gen/debug.rs":"32b2076b755f021428a0fb268a94057e1bcb1cd400feb895946703d7919b843a","src/gen/eq.rs":"aa5455b2cc0d9846d119ce001e821872df911f65133b993e3801a42e8f635f2a","src/gen/fold.rs":"305fe1db2b5b7039e79104a6e8ead11b1ee3c009f31f2a2bbebca10e494188cd","src/gen/hash.rs":"4ca8239c681ea5fd7b16bb61bff9034bff09680c088f5a16e90e99013e55742f","src/gen/visit.rs":"cbd0ebe18da62614c66a7900ef67350a5efee261bcdfff6cffc1ea6c4e754e34","src/gen/visit_mut.rs":"1b2a260ab3a6465eed6164f6d2c0cec977f9c3ca912f6bed81f8599b4d8f5cb0","src/gen_helper.rs":"750caab67ba0ba11a95ea28cd38026485227bb4aa114cdb497472386f60fdb35","src/generics.rs":"cb1a0374c523a469d48b1db7316166559034d437fb4f6cc5661511edb8aba32c","src/group.rs":"f5911e9cf2dc2dffab546590167c48de30409cb7708aa3307d22be143df720e4","src/ident.rs":"1b2d86d2e380b1fa83aee6ed113c47f0b482a229c25be428dac921deec0b4852","src/item.rs":"00ae729a00854f15203dbcbf2251910658eb052130de243144dcbec68be37919","src/lib.rs":"723c0555b398e4efd39c3198b4fc264b2bab6051e6f81ea3af81865784fdf4ec","src/lifetime.rs":"64abfd72af5dd271b2de1a8304ca0899b90da7750df9dec2ee8102bceb08a426","src/lit.rs":"3a70ebbc81563b967d2cbf589b6980a5b202ee3379d5d401e01a4c2af124d7ae","src/lookahead.rs":"376092f91a1c32e1b277db0a6790fdda151c9ec51bd971fe6a6545b5b9e73b5d","src/mac.rs":"b1cf73f34a27a8f1429125e726623a524fb5dce875eb68ead3beaffa976442c3","src/macros.rs":"64fce3fda990306cfae5f0409918946ff7c9e98ecad963932e6c1436c0b0d4c2","src/meta.rs":"9df61ebaa405ef743ba1629b39ee5e806f9ead77694a1027f192da860270c83d","src/op.rs":"fe5db7c3373b956234ea8a1a7d129a06e5aef5db77c44c1c2fedb4aaa667ac56","src/parse.rs":"e57637899f8533da26e16d41575c3489fd1bf3560cea427ba57b3c966d891d8e","src/parse_macro_input.rs":"4a753b2a6dbfefd6dc93852d66b4f6d73ebd6b8b9be74019fc476f429b9a892d","src/parse_quote.rs":"08c8f4eaedeffaac73170b59921d140f63f4a01c243993dff050b4b848d0ac1f","src/pat.rs":"4d99c5ed6a08e6adfd0f6c31438befd3f03e48982a36bb2544962d9db7805a4a","src/path.rs":"8079943ec924ad5338e4bfa16b15b8ea0d6d27092396b62667eadcd0b98f20db","src/print.rs":"22910bf0521ab868ebd7c62601c55912d12cfb400c65723e08e5cfa3a2d111c0","src/punctuated.rs":"dffaab15b9215c70d7db416e8d4c44b78c43ba2f255485e6211363f0f0fea063","src/restriction.rs":"62efbc127d7e7316dd1070c0e976872de6238b2602bba1fb35df18511b4e7199","src/sealed.rs":"6ece3b3dcb30f6bb98b93d83759ca7712ee8592bef9c0511141039c38765db0e","src/span.rs":"0a48e375e5c9768f6f64174a91ba6a255f4b021e2fb3548d8494e617f142601b","src/spanned.rs":"1bba75d73dd4dc5be6c4e11fdd72686d340fb25b5808830bd603ddc840beabdc","src/stmt.rs":"321d445f681c46ac30644504df2a8afc333a1dde0371159e9e077a17eed16548","src/thread.rs":"1f1deb1272525ab2af9a36aac4bce8f65b0e315adb1656641fd7075662f49222","src/token.rs":"42c9c9d8a7145255abf0cb1af1f2fe56a0b428a8a5ea8ff08e58f894fb519fd5","src/tt.rs":"32490509abcc4a5a3c7eb5628337172b3b49d30697d2f7b7df4d8045255c13da","src/ty.rs":"1d11c614298f25a8fa42165a01d6545fc699a446d7f3f8630162c7f478b26886","src/verbatim.rs":"87cbe82a90f48efb57ffd09141042698b3e011a21d0d5412154d80324b0a5ef0","src/whitespace.rs":"718a80c12cdd145358e2690f0f68ff7779a91ec17ce9fde9bb755f635fce69ad","tests/common/eq.rs":"e51d7f102ec29eef1336e0aad451378d0191845f9b1617744b79d47ff557e6df","tests/common/mod.rs":"432ad35577f836a20b517d8c26ed994a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\ No newline at end of file
diff --git a/vendor/syn/Cargo.toml b/vendor/syn/Cargo.toml
index 2ebc5974d..a0e56c526 100644
--- a/vendor/syn/Cargo.toml
+++ b/vendor/syn/Cargo.toml
@@ -13,7 +13,7 @@
edition = "2021"
rust-version = "1.56"
name = "syn"
-version = "2.0.29"
+version = "2.0.38"
authors = ["David Tolnay <dtolnay@gmail.com>"]
include = [
"/benches/**",
@@ -75,7 +75,7 @@ required-features = [
]
[dependencies.proc-macro2]
-version = "1.0.62"
+version = "1.0.67"
default-features = false
[dependencies.quote]
diff --git a/vendor/syn/src/custom_punctuation.rs b/vendor/syn/src/custom_punctuation.rs
index dba91c17f..062fe5169 100644
--- a/vendor/syn/src/custom_punctuation.rs
+++ b/vendor/syn/src/custom_punctuation.rs
@@ -114,7 +114,7 @@ macro_rules! custom_punctuation {
macro_rules! impl_parse_for_custom_punctuation {
($ident:ident, $($tt:tt)+) => {
impl $crate::token::CustomToken for $ident {
- fn peek(cursor: $crate::buffer::Cursor) -> bool {
+ fn peek(cursor: $crate::buffer::Cursor) -> $crate::__private::bool {
$crate::__private::peek_punct(cursor, $crate::stringify_punct!($($tt)+))
}
diff --git a/vendor/syn/src/data.rs b/vendor/syn/src/data.rs
index 185f88ba0..431c0857d 100644
--- a/vendor/syn/src/data.rs
+++ b/vendor/syn/src/data.rs
@@ -214,17 +214,37 @@ pub(crate) mod parsing {
/// Parses a named (braced struct) field.
#[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
pub fn parse_named(input: ParseStream) -> Result<Self> {
+ let attrs = input.call(Attribute::parse_outer)?;
+ let vis: Visibility = input.parse()?;
+
+ let unnamed_field = cfg!(feature = "full") && input.peek(Token![_]);
+ let ident = if unnamed_field {
+ input.call(Ident::parse_any)
+ } else {
+ input.parse()
+ }?;
+
+ let colon_token: Token![:] = input.parse()?;
+
+ let ty: Type = if unnamed_field
+ && (input.peek(Token![struct])
+ || input.peek(Token![union]) && input.peek2(token::Brace))
+ {
+ let begin = input.fork();
+ input.call(Ident::parse_any)?;
+ input.parse::<FieldsNamed>()?;
+ Type::Verbatim(verbatim::between(&begin, input))
+ } else {
+ input.parse()?
+ };
+
Ok(Field {
- attrs: input.call(Attribute::parse_outer)?,
- vis: input.parse()?,
+ attrs,
+ vis,
mutability: FieldMutability::None,
- ident: Some(if input.peek(Token![_]) {
- input.call(Ident::parse_any)
- } else {
- input.parse()
- }?),
- colon_token: Some(input.parse()?),
- ty: input.parse()?,
+ ident: Some(ident),
+ colon_token: Some(colon_token),
+ ty,
})
}
diff --git a/vendor/syn/src/ident.rs b/vendor/syn/src/ident.rs
index 41eb72129..d0f4ba08d 100644
--- a/vendor/syn/src/ident.rs
+++ b/vendor/syn/src/ident.rs
@@ -4,10 +4,12 @@ use crate::lookahead;
pub use proc_macro2::Ident;
#[cfg(feature = "parsing")]
-#[doc(hidden)]
-#[allow(non_snake_case)]
-pub fn Ident(marker: lookahead::TokenMarker) -> Ident {
- match marker {}
+pub_if_not_doc! {
+ #[doc(hidden)]
+ #[allow(non_snake_case)]
+ pub fn Ident(marker: lookahead::TokenMarker) -> Ident {
+ match marker {}
+ }
}
macro_rules! ident_from_token {
diff --git a/vendor/syn/src/item.rs b/vendor/syn/src/item.rs
index 50d7e6ef6..ee91f5914 100644
--- a/vendor/syn/src/item.rs
+++ b/vendor/syn/src/item.rs
@@ -985,24 +985,35 @@ pub(crate) mod parsing {
} else {
return Err(lookahead.error());
};
+ let mut generics: Generics = input.parse()?;
let colon_token = input.parse()?;
let ty = input.parse()?;
- if input.peek(Token![;]) {
- input.parse::<Token![;]>()?;
- Ok(Item::Verbatim(verbatim::between(&begin, input)))
+ let value = if let Some(eq_token) = input.parse::<Option<Token![=]>>()? {
+ let expr: Expr = input.parse()?;
+ Some((eq_token, expr))
} else {
- Ok(Item::Const(ItemConst {
- attrs: Vec::new(),
- vis,
- const_token,
- ident,
- generics: Generics::default(),
- colon_token,
- ty,
- eq_token: input.parse()?,
- expr: input.parse()?,
- semi_token: input.parse()?,
- }))
+ None
+ };
+ generics.where_clause = input.parse()?;
+ let semi_token: Token![;] = input.parse()?;
+ match value {
+ Some((eq_token, expr))
+ if generics.lt_token.is_none() && generics.where_clause.is_none() =>
+ {
+ Ok(Item::Const(ItemConst {
+ attrs: Vec::new(),
+ vis,
+ const_token,
+ ident,
+ generics,
+ colon_token,
+ ty,
+ eq_token,
+ expr: Box::new(expr),
+ semi_token,
+ }))
+ }
+ _ => Ok(Item::Verbatim(verbatim::between(&begin, input))),
}
} else if lookahead.peek(Token![unsafe]) {
ahead.parse::<Token![unsafe]>()?;
@@ -1400,24 +1411,34 @@ pub(crate) mod parsing {
#[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
impl Parse for ItemConst {
fn parse(input: ParseStream) -> Result<Self> {
+ let attrs = input.call(Attribute::parse_outer)?;
+ let vis: Visibility = input.parse()?;
+ let const_token: Token![const] = input.parse()?;
+
+ let lookahead = input.lookahead1();
+ let ident = if lookahead.peek(Ident) || lookahead.peek(Token![_]) {
+ input.call(Ident::parse_any)?
+ } else {
+ return Err(lookahead.error());
+ };
+
+ let colon_token: Token![:] = input.parse()?;
+ let ty: Type = input.parse()?;
+ let eq_token: Token![=] = input.parse()?;
+ let expr: Expr = input.parse()?;
+ let semi_token: Token![;] = input.parse()?;
+
Ok(ItemConst {
- attrs: input.call(Attribute::parse_outer)?,
- vis: input.parse()?,
- const_token: input.parse()?,
- ident: {
- let lookahead = input.lookahead1();
- if lookahead.peek(Ident) || lookahead.peek(Token![_]) {
- input.call(Ident::parse_any)?
- } else {
- return Err(lookahead.error());
- }
- },
+ attrs,
+ vis,
+ const_token,
+ ident,
generics: Generics::default(),
- colon_token: input.parse()?,
- ty: input.parse()?,
- eq_token: input.parse()?,
- expr: input.parse()?,
- semi_token: input.parse()?,
+ colon_token,
+ ty: Box::new(ty),
+ eq_token,
+ expr: Box::new(expr),
+ semi_token,
})
}
}
@@ -2224,10 +2245,36 @@ pub(crate) mod parsing {
let mut item = if lookahead.peek(Token![fn]) || peek_signature(&ahead) {
input.parse().map(TraitItem::Fn)
} else if lookahead.peek(Token![const]) {
- ahead.parse::<Token![const]>()?;
+ let const_token: Token![const] = ahead.parse()?;
let lookahead = ahead.lookahead1();
if lookahead.peek(Ident) || lookahead.peek(Token![_]) {
- input.parse().map(TraitItem::Const)
+ input.advance_to(&ahead);
+ let ident = input.call(Ident::parse_any)?;
+ let mut generics: Generics = input.parse()?;
+ let colon_token: Token![:] = input.parse()?;
+ let ty: Type = input.parse()?;
+ let default = if let Some(eq_token) = input.parse::<Option<Token![=]>>()? {
+ let expr: Expr = input.parse()?;
+ Some((eq_token, expr))
+ } else {
+ None
+ };
+ generics.where_clause = input.parse()?;
+ let semi_token: Token![;] = input.parse()?;
+ if generics.lt_token.is_none() && generics.where_clause.is_none() {
+ Ok(TraitItem::Const(TraitItemConst {
+ attrs: Vec::new(),
+ const_token,
+ ident,
+ generics,
+ colon_token,
+ ty,
+ default,
+ semi_token,
+ }))
+ } else {
+ return Ok(TraitItem::Verbatim(verbatim::between(&begin, input)));
+ }
} else if lookahead.peek(Token![async])
|| lookahead.peek(Token![unsafe])
|| lookahead.peek(Token![extern])
@@ -2273,30 +2320,36 @@ pub(crate) mod parsing {
#[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
impl Parse for TraitItemConst {
fn parse(input: ParseStream) -> Result<Self> {
+ let attrs = input.call(Attribute::parse_outer)?;
+ let const_token: Token![const] = input.parse()?;
+
+ let lookahead = input.lookahead1();
+ let ident = if lookahead.peek(Ident) || lookahead.peek(Token![_]) {
+ input.call(Ident::parse_any)?
+ } else {
+ return Err(lookahead.error());
+ };
+
+ let colon_token: Token![:] = input.parse()?;
+ let ty: Type = input.parse()?;
+ let default = if input.peek(Token![=]) {
+ let eq_token: Token![=] = input.parse()?;
+ let default: Expr = input.parse()?;
+ Some((eq_token, default))
+ } else {
+ None
+ };
+ let semi_token: Token![;] = input.parse()?;
+
Ok(TraitItemConst {
- attrs: input.call(Attribute::parse_outer)?,
- const_token: input.parse()?,
- ident: {
- let lookahead = input.lookahead1();
- if lookahead.peek(Ident) || lookahead.peek(Token![_]) {
- input.call(Ident::parse_any)?
- } else {
- return Err(lookahead.error());
- }
- },
+ attrs,
+ const_token,
+ ident,
generics: Generics::default(),
- colon_token: input.parse()?,
- ty: input.parse()?,
- default: {
- if input.peek(Token![=]) {
- let eq_token: Token![=] = input.parse()?;
- let default: Expr = input.parse()?;
- Some((eq_token, default))
- } else {
- None
- }
- },
- semi_token: input.parse()?,
+ colon_token,
+ ty,
+ default,
+ semi_token,
})
}
}
@@ -2550,26 +2603,37 @@ pub(crate) mod parsing {
} else {
return Err(lookahead.error());
};
+ let mut generics: Generics = input.parse()?;
let colon_token: Token![:] = input.parse()?;
let ty: Type = input.parse()?;
- if let Some(eq_token) = input.parse()? {
- return Ok(ImplItem::Const(ImplItemConst {
- attrs,
- vis,
- defaultness,
- const_token,
- ident,
- generics: Generics::default(),
- colon_token,
- ty,
- eq_token,
- expr: input.parse()?,
- semi_token: input.parse()?,
- }));
+ let value = if let Some(eq_token) = input.parse::<Option<Token![=]>>()? {
+ let expr: Expr = input.parse()?;
+ Some((eq_token, expr))
} else {
- input.parse::<Token![;]>()?;
- return Ok(ImplItem::Verbatim(verbatim::between(&begin, input)));
- }
+ None
+ };
+ generics.where_clause = input.parse()?;
+ let semi_token: Token![;] = input.parse()?;
+ return match value {
+ Some((eq_token, expr))
+ if generics.lt_token.is_none() && generics.where_clause.is_none() =>
+ {
+ Ok(ImplItem::Const(ImplItemConst {
+ attrs,
+ vis,
+ defaultness,
+ const_token,
+ ident,
+ generics,
+ colon_token,
+ ty,
+ eq_token,
+ expr,
+ semi_token,
+ }))
+ }
+ _ => Ok(ImplItem::Verbatim(verbatim::between(&begin, input))),
+ };
} else if lookahead.peek(Token![type]) {
parse_impl_item_type(begin, input)
} else if vis.is_inherited()
@@ -2604,25 +2668,36 @@ pub(crate) mod parsing {
#[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
impl Parse for ImplItemConst {
fn parse(input: ParseStream) -> Result<Self> {
+ let attrs = input.call(Attribute::parse_outer)?;
+ let vis: Visibility = input.parse()?;
+ let defaultness: Option<Token![default]> = input.parse()?;
+ let const_token: Token![const] = input.parse()?;
+
+ let lookahead = input.lookahead1();
+ let ident = if lookahead.peek(Ident) || lookahead.peek(Token![_]) {
+ input.call(Ident::parse_any)?
+ } else {
+ return Err(lookahead.error());
+ };
+
+ let colon_token: Token![:] = input.parse()?;
+ let ty: Type = input.parse()?;
+ let eq_token: Token![=] = input.parse()?;
+ let expr: Expr = input.parse()?;
+ let semi_token: Token![;] = input.parse()?;
+
Ok(ImplItemConst {
- attrs: input.call(Attribute::parse_outer)?,
- vis: input.parse()?,
- defaultness: input.parse()?,
- const_token: input.parse()?,
- ident: {
- let lookahead = input.lookahead1();
- if lookahead.peek(Ident) || lookahead.peek(Token![_]) {
- input.call(Ident::parse_any)?
- } else {
- return Err(lookahead.error());
- }
- },
+ attrs,
+ vis,
+ defaultness,
+ const_token,
+ ident,
generics: Generics::default(),
- colon_token: input.parse()?,
- ty: input.parse()?,
- eq_token: input.parse()?,
- expr: input.parse()?,
- semi_token: input.parse()?,
+ colon_token,
+ ty,
+ eq_token,
+ expr,
+ semi_token,
})
}
}
diff --git a/vendor/syn/src/lib.rs b/vendor/syn/src/lib.rs
index 4adaa8587..a74d4b117 100644
--- a/vendor/syn/src/lib.rs
+++ b/vendor/syn/src/lib.rs
@@ -249,7 +249,7 @@
//! 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/2.0.29")]
+#![doc(html_root_url = "https://docs.rs/syn/2.0.38")]
#![cfg_attr(doc_cfg, feature(doc_cfg))]
#![allow(non_camel_case_types)]
#![allow(
diff --git a/vendor/syn/src/lifetime.rs b/vendor/syn/src/lifetime.rs
index 96920ad05..29f4cfdb3 100644
--- a/vendor/syn/src/lifetime.rs
+++ b/vendor/syn/src/lifetime.rs
@@ -113,10 +113,12 @@ impl Hash for Lifetime {
}
#[cfg(feature = "parsing")]
-#[doc(hidden)]
-#[allow(non_snake_case)]
-pub fn Lifetime(marker: lookahead::TokenMarker) -> Lifetime {
- match marker {}
+pub_if_not_doc! {
+ #[doc(hidden)]
+ #[allow(non_snake_case)]
+ pub fn Lifetime(marker: lookahead::TokenMarker) -> Lifetime {
+ match marker {}
+ }
}
#[cfg(feature = "parsing")]
diff --git a/vendor/syn/src/lit.rs b/vendor/syn/src/lit.rs
index 4f36cf50b..f7426ce81 100644
--- a/vendor/syn/src/lit.rs
+++ b/vendor/syn/src/lit.rs
@@ -758,10 +758,12 @@ macro_rules! lit_extra_traits {
}
#[cfg(feature = "parsing")]
- #[doc(hidden)]
- #[allow(non_snake_case)]
- pub fn $ty(marker: lookahead::TokenMarker) -> $ty {
- match marker {}
+ pub_if_not_doc! {
+ #[doc(hidden)]
+ #[allow(non_snake_case)]
+ pub fn $ty(marker: lookahead::TokenMarker) -> $ty {
+ match marker {}
+ }
}
};
}
@@ -774,10 +776,12 @@ lit_extra_traits!(LitInt);
lit_extra_traits!(LitFloat);
#[cfg(feature = "parsing")]
-#[doc(hidden)]
-#[allow(non_snake_case)]
-pub fn LitBool(marker: lookahead::TokenMarker) -> LitBool {
- match marker {}
+pub_if_not_doc! {
+ #[doc(hidden)]
+ #[allow(non_snake_case)]
+ pub fn LitBool(marker: lookahead::TokenMarker) -> LitBool {
+ match marker {}
+ }
}
ast_enum! {
@@ -794,10 +798,12 @@ ast_enum! {
}
#[cfg(feature = "parsing")]
-#[doc(hidden)]
-#[allow(non_snake_case)]
-pub fn Lit(marker: lookahead::TokenMarker) -> Lit {
- match marker {}
+pub_if_not_doc! {
+ #[doc(hidden)]
+ #[allow(non_snake_case)]
+ pub fn Lit(marker: lookahead::TokenMarker) -> Lit {
+ match marker {}
+ }
}
#[cfg(feature = "parsing")]
@@ -1089,6 +1095,7 @@ mod value {
// c"...", cr"...", cr#"..."#
// TODO: add a Lit::CStr variant?
b'c' => return Lit::Verbatim(token),
+ b'(' if repr == "(/*ERROR*/)" => return Lit::Verbatim(token),
_ => {}
}
diff --git a/vendor/syn/src/macros.rs b/vendor/syn/src/macros.rs
index 953841b6f..06ceb542d 100644
--- a/vendor/syn/src/macros.rs
+++ b/vendor/syn/src/macros.rs
@@ -166,3 +166,20 @@ macro_rules! check_keyword_matches {
(enum enum) => {};
(pub pub) => {};
}
+
+// Rustdoc bug: does not respect the doc(hidden) on some items.
+#[cfg(all(doc, feature = "parsing"))]
+macro_rules! pub_if_not_doc {
+ ($(#[$m:meta])* pub $($item:tt)*) => {
+ $(#[$m])*
+ pub(crate) $($item)*
+ };
+}
+
+#[cfg(all(not(doc), feature = "parsing"))]
+macro_rules! pub_if_not_doc {
+ ($(#[$m:meta])* pub $($item:tt)*) => {
+ $(#[$m])*
+ pub $($item)*
+ };
+}
diff --git a/vendor/syn/src/path.rs b/vendor/syn/src/path.rs
index 883f179f5..b9d96e669 100644
--- a/vendor/syn/src/path.rs
+++ b/vendor/syn/src/path.rs
@@ -82,6 +82,19 @@ impl Path {
None
}
}
+
+ /// An error if this path is not a single ident, as defined in `get_ident`.
+ #[cfg(feature = "parsing")]
+ #[cfg_attr(doc_cfg, doc(cfg(feature = "parsing")))]
+ pub fn require_ident(&self) -> Result<&Ident> {
+ self.get_ident().ok_or_else(|| {
+ crate::error::new2(
+ self.segments.first().unwrap().ident.span(),
+ self.segments.last().unwrap().ident.span(),
+ "expected this path to be an identifier",
+ )
+ })
+ }
}
ast_struct! {
diff --git a/vendor/syn/src/token.rs b/vendor/syn/src/token.rs
index c7e0e1f1a..af7f25c42 100644
--- a/vendor/syn/src/token.rs
+++ b/vendor/syn/src/token.rs
@@ -143,6 +143,7 @@ mod private {
/// Support writing `token.span` rather than `token.spans[0]` on tokens that
/// hold a single span.
#[repr(transparent)]
+ #[allow(unknown_lints, repr_transparent_external_private_fields)] // False positive: https://github.com/rust-lang/rust/issues/78586#issuecomment-1722680482
pub struct WithSpan {
pub span: Span,
}
@@ -365,6 +366,7 @@ macro_rules! define_punctuation_structs {
($($token:literal pub struct $name:ident/$len:tt #[doc = $usage:literal])*) => {
$(
#[cfg_attr(not(doc), repr(transparent))]
+ #[allow(unknown_lints, repr_transparent_external_private_fields)] // False positive: https://github.com/rust-lang/rust/issues/78586#issuecomment-1722680482
#[doc = concat!('`', $token, '`')]
///
/// Usage:
@@ -840,6 +842,67 @@ define_delimiters! {
/// A type-macro that expands to the name of the Rust type representation of a
/// given token.
///
+/// As a type, `Token!` is commonly used in the type of struct fields, the type
+/// of a `let` statement, or in turbofish for a `parse` function.
+///
+/// ```
+/// use syn::{Ident, Token};
+/// use syn::parse::{Parse, ParseStream, Result};
+///
+/// // `struct Foo;`
+/// pub struct UnitStruct {
+/// struct_token: Token![struct],
+/// ident: Ident,
+/// semi_token: Token![;],
+/// }
+///
+/// impl Parse for UnitStruct {
+/// fn parse(input: ParseStream) -> Result<Self> {
+/// let struct_token: Token![struct] = input.parse()?;
+/// let ident: Ident = input.parse()?;
+/// let semi_token = input.parse::<Token![;]>()?;
+/// Ok(UnitStruct { struct_token, ident, semi_token })
+/// }
+/// }
+/// ```
+///
+/// As an expression, `Token!` is used for peeking tokens or instantiating
+/// tokens from a span.
+///
+/// ```
+/// # use syn::{Ident, Token};
+/// # use syn::parse::{Parse, ParseStream, Result};
+/// #
+/// # struct UnitStruct {
+/// # struct_token: Token![struct],
+/// # ident: Ident,
+/// # semi_token: Token![;],
+/// # }
+/// #
+/// # impl Parse for UnitStruct {
+/// # fn parse(input: ParseStream) -> Result<Self> {
+/// # unimplemented!()
+/// # }
+/// # }
+/// #
+/// fn make_unit_struct(name: Ident) -> UnitStruct {
+/// let span = name.span();
+/// UnitStruct {
+/// struct_token: Token![struct](span),
+/// ident: name,
+/// semi_token: Token![;](span),
+/// }
+/// }
+///
+/// # fn parse(input: ParseStream) -> Result<()> {
+/// if input.peek(Token![struct]) {
+/// let unit_struct: UnitStruct = input.parse()?;
+/// /* ... */
+/// }
+/// # Ok(())
+/// # }
+/// ```
+///
/// See the [token module] documentation for details and examples.
///
/// [token module]: crate::token
diff --git a/vendor/syn/tests/common/eq.rs b/vendor/syn/tests/common/eq.rs
index 68fd1949e..3c2b1c124 100644
--- a/vendor/syn/tests/common/eq.rs
+++ b/vendor/syn/tests/common/eq.rs
@@ -156,7 +156,7 @@ use rustc_ast::tokenstream::{
use rustc_data_structures::sync::Lrc;
use rustc_span::source_map::Spanned;
use rustc_span::symbol::{sym, Ident};
-use rustc_span::{Span, Symbol, SyntaxContext, DUMMY_SP};
+use rustc_span::{ErrorGuaranteed, Span, Symbol, SyntaxContext, DUMMY_SP};
use std::collections::HashMap;
use std::hash::{BuildHasher, Hash};
use thin_vec::ThinVec;
@@ -296,6 +296,7 @@ spanless_eq_partial_eq!(CommentKind);
spanless_eq_partial_eq!(Delimiter);
spanless_eq_partial_eq!(InlineAsmOptions);
spanless_eq_partial_eq!(token::LitKind);
+spanless_eq_partial_eq!(ErrorGuaranteed);
macro_rules! spanless_eq_struct {
{
@@ -579,7 +580,7 @@ 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; Array(0) ConstBlock(0) Call(0 1) MethodCall(0)
- Tup(0) Binary(0 1 2) Unary(0 1) Lit(0) Cast(0 1) Type(0 1) Let(0 1 2)
+ Tup(0) Binary(0 1 2) Unary(0 1) Lit(0) Cast(0 1) Type(0 1) Let(0 1 2 3)
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) Await(0 1) TryBlock(0) Assign(0 1 2) AssignOp(0 1 2)
Field(0 1) Index(0 1 2) Underscore Range(0 1 2) Path(0 1) AddrOf(0 1 2)
@@ -598,8 +599,8 @@ spanless_eq_enum!(PatKind; Wild Ident(0 1 2) Struct(0 1 2 3) TupleStruct(0 1 2)
Or(0) Path(0 1) Tuple(0) Box(0) Ref(0 1) Lit(0) Range(0 1 2) Slice(0) Rest
Paren(0) MacCall(0));
spanless_eq_enum!(TyKind; Slice(0) Array(0 1) Ptr(0) Ref(0 1) BareFn(0) Never
- Tup(0) Path(0 1) TraitObject(0 1) ImplTrait(0 1) Paren(0) Typeof(0) Infer
- ImplicitSelf MacCall(0) Err CVarArgs);
+ Tup(0) AnonStruct(0) AnonUnion(0) Path(0 1) TraitObject(0 1) ImplTrait(0 1)
+ Paren(0) Typeof(0) Infer ImplicitSelf MacCall(0) Err CVarArgs);
impl SpanlessEq for Ident {
fn eq(&self, other: &Self) -> bool {
diff --git a/vendor/syn/tests/debug/gen.rs b/vendor/syn/tests/debug/gen.rs
index b64cc3e7e..3f92598d7 100644
--- a/vendor/syn/tests/debug/gen.rs
+++ b/vendor/syn/tests/debug/gen.rs
@@ -1,6 +1,7 @@
// This file is @generated by syn-internal-codegen.
// It is not intended for manual editing.
+#![allow(repr_transparent_external_private_fields)]
#![allow(clippy::match_wildcard_for_single_variants)]
use super::{Lite, Present};
use ref_cast::RefCast;
diff --git a/vendor/syn/tests/repo/mod.rs b/vendor/syn/tests/repo/mod.rs
index 780ad823b..61d5ff35f 100644
--- a/vendor/syn/tests/repo/mod.rs
+++ b/vendor/syn/tests/repo/mod.rs
@@ -13,15 +13,16 @@ use std::path::{Path, PathBuf};
use tar::Archive;
use walkdir::{DirEntry, WalkDir};
-const REVISION: &str = "85bf07972a1041b9e25393b803d0e006bec3eaaf";
+const REVISION: &str = "9f5fc1bd443f59583e7af0d94d289f95fe1e20c4";
#[rustfmt::skip]
static EXCLUDE_FILES: &[&str] = &[
- // CStr literals (c"…") are not yet supported by rustc's lexer
- // https://github.com/rust-lang/rust/issues/113333
- "src/tools/clippy/tests/ui/needless_raw_string_hashes.rs",
- "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rs",
+ // TODO: CStr literals: c"…", cr"…"
+ // https://github.com/dtolnay/syn/issues/1502
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rs",
+
+ // TODO: explicit tail calls: `become _g()`
+ // https://github.com/dtolnay/syn/issues/1501
"tests/ui/explicit-tail-calls/return-lifetime-sub.rs",
// TODO: non-lifetime binders: `where for<'a, T> &'a Struct<T>: Trait`
@@ -115,7 +116,6 @@ static EXCLUDE_FILES: &[&str] = &[
// Various extensions to Rust syntax made up by rust-analyzer
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0012_type_item_where_clause.rs",
- "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0040_crate_keyword_vis.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0058_range_pat.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0123_param_list_vararg.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0131_existential_type.rs",
@@ -288,21 +288,38 @@ pub fn clone_rust() {
if needs_clone {
download_and_unpack().unwrap();
}
+
let mut missing = String::new();
let test_src = Path::new("tests/rust");
+
+ let mut exclude_files_set = BTreeSet::new();
for exclude in EXCLUDE_FILES {
+ if !exclude_files_set.insert(exclude) {
+ panic!("duplicate path in EXCLUDE_FILES: {}", exclude);
+ }
+ for dir in EXCLUDE_DIRS {
+ if Path::new(exclude).starts_with(dir) {
+ panic!("excluded file {} is inside an excluded dir", exclude);
+ }
+ }
if !test_src.join(exclude).is_file() {
missing += "\ntests/rust/";
missing += exclude;
}
}
+
+ let mut exclude_dirs_set = BTreeSet::new();
for exclude in EXCLUDE_DIRS {
+ if !exclude_dirs_set.insert(exclude) {
+ panic!("duplicate path in EXCLUDE_DIRS: {}", exclude);
+ }
if !test_src.join(exclude).is_dir() {
missing += "\ntests/rust/";
missing += exclude;
missing += "/";
}
}
+
if !missing.is_empty() {
panic!("excluded test file does not exist:{}\n", missing);
}
diff --git a/vendor/syn/tests/test_lit.rs b/vendor/syn/tests/test_lit.rs
index 82d229001..bc50136f6 100644
--- a/vendor/syn/tests/test_lit.rs
+++ b/vendor/syn/tests/test_lit.rs
@@ -1,6 +1,7 @@
#![allow(
clippy::float_cmp,
clippy::non_ascii_literal,
+ clippy::single_match_else,
clippy::uninlined_format_args
)]
@@ -13,14 +14,13 @@ use std::str::FromStr;
use syn::{Lit, LitFloat, LitInt, LitStr};
fn lit(s: &str) -> Lit {
- match TokenStream::from_str(s)
- .unwrap()
- .into_iter()
- .next()
- .unwrap()
- {
- TokenTree::Literal(lit) => Lit::new(lit),
- _ => panic!(),
+ let mut tokens = TokenStream::from_str(s).unwrap().into_iter();
+ match tokens.next().unwrap() {
+ TokenTree::Literal(lit) => {
+ assert!(tokens.next().is_none());
+ Lit::new(lit)
+ }
+ wrong => panic!("{:?}", wrong),
}
}
diff --git a/vendor/syn/tests/test_precedence.rs b/vendor/syn/tests/test_precedence.rs
index b49577f0f..bf0510bb3 100644
--- a/vendor/syn/tests/test_precedence.rs
+++ b/vendor/syn/tests/test_precedence.rs
@@ -30,6 +30,7 @@ extern crate rustc_ast_pretty;
extern crate rustc_data_structures;
extern crate rustc_driver;
extern crate rustc_span;
+extern crate smallvec;
extern crate thin_vec;
use crate::common::eq::SpanlessEq;
@@ -168,15 +169,17 @@ fn librustc_parse_and_rewrite(input: &str) -> Option<P<ast::Expr>> {
/// This method operates on librustc objects.
fn librustc_brackets(mut librustc_expr: P<ast::Expr>) -> Option<P<ast::Expr>> {
use rustc_ast::ast::{
- Attribute, BinOpKind, Block, BorrowKind, Expr, ExprField, ExprKind, GenericArg,
- GenericBound, Local, LocalKind, Pat, Stmt, StmtKind, StructExpr, StructRest,
- TraitBoundModifier, Ty,
+ AssocItem, AssocItemKind, Attribute, BinOpKind, Block, BorrowKind, Expr, ExprField,
+ ExprKind, GenericArg, GenericBound, ItemKind, Local, LocalKind, Pat, Stmt, StmtKind,
+ StructExpr, StructRest, TraitBoundModifier, Ty,
};
use rustc_ast::mut_visit::{
- noop_visit_generic_arg, noop_visit_local, noop_visit_param_bound, MutVisitor,
+ noop_flat_map_assoc_item, noop_visit_generic_arg, noop_visit_item_kind, noop_visit_local,
+ noop_visit_param_bound, MutVisitor,
};
use rustc_data_structures::flat_map_in_place::FlatMapInPlace;
use rustc_span::DUMMY_SP;
+ use smallvec::SmallVec;
use std::mem;
use std::ops::DerefMut;
use thin_vec::ThinVec;
@@ -185,6 +188,17 @@ fn librustc_brackets(mut librustc_expr: P<ast::Expr>) -> Option<P<ast::Expr>> {
failed: bool,
}
+ fn contains_let_chain(expr: &Expr) -> bool {
+ match &expr.kind {
+ ExprKind::Let(..) => true,
+ ExprKind::Binary(binop, left, right) => {
+ binop.node == BinOpKind::And
+ && (contains_let_chain(left) || contains_let_chain(right))
+ }
+ _ => false,
+ }
+ }
+
fn flat_map_field<T: MutVisitor>(mut f: ExprField, vis: &mut T) -> Vec<ExprField> {
if f.is_shorthand {
noop_visit_expr(&mut f.expr, vis);
@@ -241,12 +255,7 @@ fn librustc_brackets(mut librustc_expr: P<ast::Expr>) -> Option<P<ast::Expr>> {
noop_visit_expr(e, self);
match e.kind {
ExprKind::Block(..) | ExprKind::If(..) | ExprKind::Let(..) => {}
- ExprKind::Binary(binop, ref left, ref right)
- if match (&left.kind, binop.node, &right.kind) {
- (ExprKind::Let(..), BinOpKind::And, _)
- | (_, BinOpKind::And, ExprKind::Let(..)) => true,
- _ => false,
- } => {}
+ ExprKind::Binary(..) if contains_let_chain(e) => {}
_ => {
let inner = mem::replace(
e,
@@ -300,6 +309,39 @@ fn librustc_brackets(mut librustc_expr: P<ast::Expr>) -> Option<P<ast::Expr>> {
}
}
+ fn visit_item_kind(&mut self, item: &mut ItemKind) {
+ match item {
+ ItemKind::Const(const_item)
+ if !const_item.generics.params.is_empty()
+ || !const_item.generics.where_clause.predicates.is_empty() => {}
+ _ => noop_visit_item_kind(item, self),
+ }
+ }
+
+ fn flat_map_trait_item(&mut self, item: P<AssocItem>) -> SmallVec<[P<AssocItem>; 1]> {
+ match &item.kind {
+ AssocItemKind::Const(const_item)
+ if !const_item.generics.params.is_empty()
+ || !const_item.generics.where_clause.predicates.is_empty() =>
+ {
+ SmallVec::from([item])
+ }
+ _ => noop_flat_map_assoc_item(item, self),
+ }
+ }
+
+ fn flat_map_impl_item(&mut self, item: P<AssocItem>) -> SmallVec<[P<AssocItem>; 1]> {
+ match &item.kind {
+ AssocItemKind::Const(const_item)
+ if !const_item.generics.params.is_empty()
+ || !const_item.generics.where_clause.predicates.is_empty() =>
+ {
+ SmallVec::from([item])
+ }
+ _ => noop_flat_map_assoc_item(item, self),
+ }
+ }
+
// We don't want to look at expressions that might appear in patterns or
// types yet. We'll look into comparing those in the future. For now
// focus on expressions appearing in other places.
@@ -334,28 +376,42 @@ fn syn_brackets(syn_expr: syn::Expr) -> syn::Expr {
struct ParenthesizeEveryExpr;
+ fn parenthesize(expr: Expr) -> Expr {
+ Expr::Paren(ExprParen {
+ attrs: Vec::new(),
+ expr: Box::new(expr),
+ paren_token: token::Paren::default(),
+ })
+ }
+
fn needs_paren(expr: &Expr) -> bool {
match expr {
Expr::Group(_) => unreachable!(),
Expr::If(_) | Expr::Unsafe(_) | Expr::Block(_) | Expr::Let(_) => false,
- Expr::Binary(bin) => match (&*bin.left, bin.op, &*bin.right) {
- (Expr::Let(_), BinOp::And(_), _) | (_, BinOp::And(_), Expr::Let(_)) => false,
- _ => true,
- },
+ Expr::Binary(_) => !contains_let_chain(expr),
_ => true,
}
}
+ fn contains_let_chain(expr: &Expr) -> bool {
+ match expr {
+ Expr::Let(_) => true,
+ Expr::Binary(expr) => {
+ matches!(expr.op, BinOp::And(_))
+ && (contains_let_chain(&expr.left) || contains_let_chain(&expr.right))
+ }
+ _ => false,
+ }
+ }
+
impl Fold for ParenthesizeEveryExpr {
fn fold_expr(&mut self, expr: Expr) -> Expr {
- if needs_paren(&expr) {
- Expr::Paren(ExprParen {
- attrs: Vec::new(),
- expr: Box::new(fold_expr(self, expr)),
- paren_token: token::Paren::default(),
- })
+ let needs_paren = needs_paren(&expr);
+ let folded = fold_expr(self, expr);
+ if needs_paren {
+ parenthesize(folded)
} else {
- fold_expr(self, expr)
+ folded
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-04 11:46:58 +0000