Merge from rust-lang/rust

Author: lnicola

crates/hir-def/src/expr_store/lower/asm.rs

@@ -224,7 +224,7 @@ impl ExprCollector<'_> {
 
                     curarg = parser.curarg;
 
-                    let to_span = |inner_span: rustc_parse_format::InnerSpan| {
+                    let to_span = |inner_span: std::ops::Range<usize>| {
                         is_direct_literal.then(|| {
                             TextRange::new(
                                 inner_span.start.try_into().unwrap(),

crates/hir-def/src/hir/format_args.rs

@@ -214,7 +214,7 @@ pub(crate) fn parse(
         };
     }
 
-    let to_span = |inner_span: parse::InnerSpan| {
+    let to_span = |inner_span: std::ops::Range<usize>| {
         is_source_literal.then(|| {
             TextRange::new(inner_span.start.try_into().unwrap(), inner_span.end.try_into().unwrap())
         })
@@ -297,7 +297,7 @@ pub(crate) fn parse(
                     unfinished_literal.clear();
                 }
 
-                let span = parser.arg_places.get(placeholder_index).and_then(|&s| to_span(s));
+                let span = parser.arg_places.get(placeholder_index).and_then(|s| to_span(s.clone()));
                 placeholder_index += 1;
 
                 let position_span = to_span(position_span);

crates/hir-ty/src/diagnostics/match_check/pat_analysis.rs

@@ -301,6 +301,7 @@ impl<'db> MatchCheckCtx<'db> {
             // ignore this issue.
             Ref => PatKind::Deref { subpattern: subpatterns.next().unwrap() },
             Slice(_) => unimplemented!(),
+            DerefPattern(_) => unimplemented!(),
             &Str(void) => match void {},
             Wildcard | NonExhaustive | Hidden | PrivateUninhabited => PatKind::Wild,
             Never => PatKind::Never,
@@ -351,6 +352,7 @@ impl PatCx for MatchCheckCtx<'_> {
             },
             Ref => 1,
             Slice(..) => unimplemented!(),
+            DerefPattern(..) => unimplemented!(),
             Never | Bool(..) | IntRange(..) | F16Range(..) | F32Range(..) | F64Range(..)
             | F128Range(..) | Str(..) | Opaque(..) | NonExhaustive | PrivateUninhabited
             | Hidden | Missing | Wildcard => 0,
@@ -411,6 +413,7 @@ impl PatCx for MatchCheckCtx<'_> {
                 }
             },
             Slice(_) => unreachable!("Found a `Slice` constructor in match checking"),
+            DerefPattern(_) => unreachable!("Found a `DerefPattern` constructor in match checking"),
             Never | Bool(..) | IntRange(..) | F16Range(..) | F32Range(..) | F64Range(..)
             | F128Range(..) | Str(..) | Opaque(..) | NonExhaustive | PrivateUninhabited
             | Hidden | Missing | Wildcard => {

crates/ide-db/src/generated/lints.rs

@@ -5789,7 +5789,7 @@ The tracking issue for this feature is: [#120301]
 
 ------------------------
 
-Add the methods `from_mins`, `from_hours` and `from_days` to `Duration`.
+Add the methods `from_days` and `from_weeks` to `Duration`.
 "##,
         default_severity: Severity::Allow,
         warn_since: None,

crates/parser/src/lexed_str.rs

@@ -179,6 +179,15 @@ impl<'a> Converter<'a> {
                     COMMENT
                 }
 
+                rustc_lexer::TokenKind::Frontmatter  { has_invalid_preceding_whitespace, invalid_infostring } => {
+                    if *has_invalid_preceding_whitespace {
+                        err = "invalid preceding whitespace for frontmatter opening"
+                    } else if *invalid_infostring {
+                        err = "invalid infostring for frontmatter"
+                    }
+                    FRONTMATTER
+                }
+
                 rustc_lexer::TokenKind::Whitespace => WHITESPACE,
 
                 rustc_lexer::TokenKind::Ident if token_text == "_" => UNDERSCORE,

crates/parser/src/syntax_kind/generated.rs

@@ -150,6 +150,7 @@ pub enum SyntaxKind {
     STRING,
     COMMENT,
     ERROR,
+    FRONTMATTER,
     IDENT,
     LIFETIME_IDENT,
     NEWLINE,
@@ -483,6 +484,7 @@ impl SyntaxKind {
             | YIELD_EXPR
             | COMMENT
             | ERROR
+            | FRONTMATTER
             | IDENT
             | LIFETIME_IDENT
             | NEWLINE
@@ -994,7 +996,7 @@ impl SyntaxKind {
     }
 }
 #[macro_export]
-macro_rules ! T_ { [$] => { $ crate :: SyntaxKind :: DOLLAR } ; [;] => { $ crate :: SyntaxKind :: SEMICOLON } ; [,] => { $ crate :: SyntaxKind :: COMMA } ; ['('] => { $ crate :: SyntaxKind :: L_PAREN } ; [')'] => { $ crate :: SyntaxKind :: R_PAREN } ; ['{'] => { $ crate :: SyntaxKind :: L_CURLY } ; ['}'] => { $ crate :: SyntaxKind :: R_CURLY } ; ['['] => { $ crate :: SyntaxKind :: L_BRACK } ; [']'] => { $ crate :: SyntaxKind :: R_BRACK } ; [<] => { $ crate :: SyntaxKind :: L_ANGLE } ; [>] => { $ crate :: SyntaxKind :: R_ANGLE } ; [@] => { $ crate :: SyntaxKind :: AT } ; [#] => { $ crate :: SyntaxKind :: POUND } ; [~] => { $ crate :: SyntaxKind :: TILDE } ; [?] => { $ crate :: SyntaxKind :: QUESTION } ; [&] => { $ crate :: SyntaxKind :: AMP } ; [|] => { $ crate :: SyntaxKind :: PIPE } ; [+] => { $ crate :: SyntaxKind :: PLUS } ; [*] => { $ crate :: SyntaxKind :: STAR } ; [/] => { $ crate :: SyntaxKind :: SLASH } ; [^] => { $ crate :: SyntaxKind :: CARET } ; [%] => { $ crate :: SyntaxKind :: PERCENT } ; [_] => { $ crate :: SyntaxKind :: UNDERSCORE } ; [.] => { $ crate :: SyntaxKind :: DOT } ; [..] => { $ crate :: SyntaxKind :: DOT2 } ; [...] => { $ crate :: SyntaxKind :: DOT3 } ; [..=] => { $ crate :: SyntaxKind :: DOT2EQ } ; [:] => { $ crate :: SyntaxKind :: COLON } ; [::] => { $ crate :: SyntaxKind :: COLON2 } ; [=] => { $ crate :: SyntaxKind :: EQ } ; [==] => { $ crate :: SyntaxKind :: EQ2 } ; [=>] => { $ crate :: SyntaxKind :: FAT_ARROW } ; [!] => { $ crate :: SyntaxKind :: BANG } ; [!=] => { $ crate :: SyntaxKind :: NEQ } ; [-] => { $ crate :: SyntaxKind :: MINUS } ; [->] => { $ crate :: SyntaxKind :: THIN_ARROW } ; [<=] => { $ crate :: SyntaxKind :: LTEQ } ; [>=] => { $ crate :: SyntaxKind :: GTEQ } ; [+=] => { $ crate :: SyntaxKind :: PLUSEQ } ; [-=] => { $ crate :: SyntaxKind :: MINUSEQ } ; [|=] => { $ crate :: SyntaxKind :: PIPEEQ } ; [&=] => { $ crate :: SyntaxKind :: AMPEQ } ; [^=] => { $ crate :: SyntaxKind :: CARETEQ } ; [/=] => { $ crate :: SyntaxKind :: SLASHEQ } ; [*=] => { $ crate :: SyntaxKind :: STAREQ } ; [%=] => { $ crate :: SyntaxKind :: PERCENTEQ } ; [&&] => { $ crate :: SyntaxKind :: AMP2 } ; [||] => { $ crate :: SyntaxKind :: PIPE2 } ; [<<] => { $ crate :: SyntaxKind :: SHL } ; [>>] => { $ crate :: SyntaxKind :: SHR } ; [<<=] => { $ crate :: SyntaxKind :: SHLEQ } ; [>>=] => { $ crate :: SyntaxKind :: SHREQ } ; [Self] => { $ crate :: SyntaxKind :: SELF_TYPE_KW } ; [abstract] => { $ crate :: SyntaxKind :: ABSTRACT_KW } ; [as] => { $ crate :: SyntaxKind :: AS_KW } ; [become] => { $ crate :: SyntaxKind :: BECOME_KW } ; [box] => { $ crate :: SyntaxKind :: BOX_KW } ; [break] => { $ crate :: SyntaxKind :: BREAK_KW } ; [const] => { $ crate :: SyntaxKind :: CONST_KW } ; [continue] => { $ crate :: SyntaxKind :: CONTINUE_KW } ; [crate] => { $ crate :: SyntaxKind :: CRATE_KW } ; [do] => { $ crate :: SyntaxKind :: DO_KW } ; [else] => { $ crate :: SyntaxKind :: ELSE_KW } ; [enum] => { $ crate :: SyntaxKind :: ENUM_KW } ; [extern] => { $ crate :: SyntaxKind :: EXTERN_KW } ; [false] => { $ crate :: SyntaxKind :: FALSE_KW } ; [final] => { $ crate :: SyntaxKind :: FINAL_KW } ; [fn] => { $ crate :: SyntaxKind :: FN_KW } ; [for] => { $ crate :: SyntaxKind :: FOR_KW } ; [if] => { $ crate :: SyntaxKind :: IF_KW } ; [impl] => { $ crate :: SyntaxKind :: IMPL_KW } ; [in] => { $ crate :: SyntaxKind :: IN_KW } ; [let] => { $ crate :: SyntaxKind :: LET_KW } ; [loop] => { $ crate :: SyntaxKind :: LOOP_KW } ; [macro] => { $ crate :: SyntaxKind :: MACRO_KW } ; [match] => { $ crate :: SyntaxKind :: MATCH_KW } ; [mod] => { $ crate :: SyntaxKind :: MOD_KW } ; [move] => { $ crate :: SyntaxKind :: MOVE_KW } ; [mut] => { $ crate :: SyntaxKind :: MUT_KW } ; [override] => { $ crate :: SyntaxKind :: OVERRIDE_KW } ; [priv] => { $ crate :: SyntaxKind :: PRIV_KW } ; [pub] => { $ crate :: SyntaxKind :: PUB_KW } ; [ref] => { $ crate :: SyntaxKind :: REF_KW } ; [return] => { $ crate :: SyntaxKind :: RETURN_KW } ; [self] => { $ crate :: SyntaxKind :: SELF_KW } ; [static] => { $ crate :: SyntaxKind :: STATIC_KW } ; [struct] => { $ crate :: SyntaxKind :: STRUCT_KW } ; [super] => { $ crate :: SyntaxKind :: SUPER_KW } ; [trait] => { $ crate :: SyntaxKind :: TRAIT_KW } ; [true] => { $ crate :: SyntaxKind :: TRUE_KW } ; [type] => { $ crate :: SyntaxKind :: TYPE_KW } ; [typeof] => { $ crate :: SyntaxKind :: TYPEOF_KW } ; [unsafe] => { $ crate :: SyntaxKind :: UNSAFE_KW } ; [unsized] => { $ crate :: SyntaxKind :: UNSIZED_KW } ; [use] => { $ crate :: SyntaxKind :: USE_KW } ; [virtual] => { $ crate :: SyntaxKind :: VIRTUAL_KW } ; [where] => { $ crate :: SyntaxKind :: WHERE_KW } ; [while] => { $ crate :: SyntaxKind :: WHILE_KW } ; [yield] => { $ crate :: SyntaxKind :: YIELD_KW } ; [asm] => { $ crate :: SyntaxKind :: ASM_KW } ; [att_syntax] => { $ crate :: SyntaxKind :: ATT_SYNTAX_KW } ; [auto] => { $ crate :: SyntaxKind :: AUTO_KW } ; [builtin] => { $ crate :: SyntaxKind :: BUILTIN_KW } ; [clobber_abi] => { $ crate :: SyntaxKind :: CLOBBER_ABI_KW } ; [default] => { $ crate :: SyntaxKind :: DEFAULT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [format_args] => { $ crate :: SyntaxKind :: FORMAT_ARGS_KW } ; [inlateout] => { $ crate :: SyntaxKind :: INLATEOUT_KW } ; [inout] => { $ crate :: SyntaxKind :: INOUT_KW } ; [label] => { $ crate :: SyntaxKind :: LABEL_KW } ; [lateout] => { $ crate :: SyntaxKind :: LATEOUT_KW } ; [macro_rules] => { $ crate :: SyntaxKind :: MACRO_RULES_KW } ; [may_unwind] => { $ crate :: SyntaxKind :: MAY_UNWIND_KW } ; [nomem] => { $ crate :: SyntaxKind :: NOMEM_KW } ; [noreturn] => { $ crate :: SyntaxKind :: NORETURN_KW } ; [nostack] => { $ crate :: SyntaxKind :: NOSTACK_KW } ; [offset_of] => { $ crate :: SyntaxKind :: OFFSET_OF_KW } ; [options] => { $ crate :: SyntaxKind :: OPTIONS_KW } ; [out] => { $ crate :: SyntaxKind :: OUT_KW } ; [preserves_flags] => { $ crate :: SyntaxKind :: PRESERVES_FLAGS_KW } ; [pure] => { $ crate :: SyntaxKind :: PURE_KW } ; [raw] => { $ crate :: SyntaxKind :: RAW_KW } ; [readonly] => { $ crate :: SyntaxKind :: READONLY_KW } ; [safe] => { $ crate :: SyntaxKind :: SAFE_KW } ; [sym] => { $ crate :: SyntaxKind :: SYM_KW } ; [union] => { $ crate :: SyntaxKind :: UNION_KW } ; [yeet] => { $ crate :: SyntaxKind :: YEET_KW } ; [async] => { $ crate :: SyntaxKind :: ASYNC_KW } ; [await] => { $ crate :: SyntaxKind :: AWAIT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [gen] => { $ crate :: SyntaxKind :: GEN_KW } ; [try] => { $ crate :: SyntaxKind :: TRY_KW } ; [lifetime_ident] => { $ crate :: SyntaxKind :: LIFETIME_IDENT } ; [int_number] => { $ crate :: SyntaxKind :: INT_NUMBER } ; [ident] => { $ crate :: SyntaxKind :: IDENT } ; [string] => { $ crate :: SyntaxKind :: STRING } ; [shebang] => { $ crate :: SyntaxKind :: SHEBANG } ; }
+macro_rules ! T_ { [$] => { $ crate :: SyntaxKind :: DOLLAR } ; [;] => { $ crate :: SyntaxKind :: SEMICOLON } ; [,] => { $ crate :: SyntaxKind :: COMMA } ; ['('] => { $ crate :: SyntaxKind :: L_PAREN } ; [')'] => { $ crate :: SyntaxKind :: R_PAREN } ; ['{'] => { $ crate :: SyntaxKind :: L_CURLY } ; ['}'] => { $ crate :: SyntaxKind :: R_CURLY } ; ['['] => { $ crate :: SyntaxKind :: L_BRACK } ; [']'] => { $ crate :: SyntaxKind :: R_BRACK } ; [<] => { $ crate :: SyntaxKind :: L_ANGLE } ; [>] => { $ crate :: SyntaxKind :: R_ANGLE } ; [@] => { $ crate :: SyntaxKind :: AT } ; [#] => { $ crate :: SyntaxKind :: POUND } ; [~] => { $ crate :: SyntaxKind :: TILDE } ; [?] => { $ crate :: SyntaxKind :: QUESTION } ; [&] => { $ crate :: SyntaxKind :: AMP } ; [|] => { $ crate :: SyntaxKind :: PIPE } ; [+] => { $ crate :: SyntaxKind :: PLUS } ; [*] => { $ crate :: SyntaxKind :: STAR } ; [/] => { $ crate :: SyntaxKind :: SLASH } ; [^] => { $ crate :: SyntaxKind :: CARET } ; [%] => { $ crate :: SyntaxKind :: PERCENT } ; [_] => { $ crate :: SyntaxKind :: UNDERSCORE } ; [.] => { $ crate :: SyntaxKind :: DOT } ; [..] => { $ crate :: SyntaxKind :: DOT2 } ; [...] => { $ crate :: SyntaxKind :: DOT3 } ; [..=] => { $ crate :: SyntaxKind :: DOT2EQ } ; [:] => { $ crate :: SyntaxKind :: COLON } ; [::] => { $ crate :: SyntaxKind :: COLON2 } ; [=] => { $ crate :: SyntaxKind :: EQ } ; [==] => { $ crate :: SyntaxKind :: EQ2 } ; [=>] => { $ crate :: SyntaxKind :: FAT_ARROW } ; [!] => { $ crate :: SyntaxKind :: BANG } ; [!=] => { $ crate :: SyntaxKind :: NEQ } ; [-] => { $ crate :: SyntaxKind :: MINUS } ; [->] => { $ crate :: SyntaxKind :: THIN_ARROW } ; [<=] => { $ crate :: SyntaxKind :: LTEQ } ; [>=] => { $ crate :: SyntaxKind :: GTEQ } ; [+=] => { $ crate :: SyntaxKind :: PLUSEQ } ; [-=] => { $ crate :: SyntaxKind :: MINUSEQ } ; [|=] => { $ crate :: SyntaxKind :: PIPEEQ } ; [&=] => { $ crate :: SyntaxKind :: AMPEQ } ; [^=] => { $ crate :: SyntaxKind :: CARETEQ } ; [/=] => { $ crate :: SyntaxKind :: SLASHEQ } ; [*=] => { $ crate :: SyntaxKind :: STAREQ } ; [%=] => { $ crate :: SyntaxKind :: PERCENTEQ } ; [&&] => { $ crate :: SyntaxKind :: AMP2 } ; [||] => { $ crate :: SyntaxKind :: PIPE2 } ; [<<] => { $ crate :: SyntaxKind :: SHL } ; [>>] => { $ crate :: SyntaxKind :: SHR } ; [<<=] => { $ crate :: SyntaxKind :: SHLEQ } ; [>>=] => { $ crate :: SyntaxKind :: SHREQ } ; [Self] => { $ crate :: SyntaxKind :: SELF_TYPE_KW } ; [abstract] => { $ crate :: SyntaxKind :: ABSTRACT_KW } ; [as] => { $ crate :: SyntaxKind :: AS_KW } ; [become] => { $ crate :: SyntaxKind :: BECOME_KW } ; [box] => { $ crate :: SyntaxKind :: BOX_KW } ; [break] => { $ crate :: SyntaxKind :: BREAK_KW } ; [const] => { $ crate :: SyntaxKind :: CONST_KW } ; [continue] => { $ crate :: SyntaxKind :: CONTINUE_KW } ; [crate] => { $ crate :: SyntaxKind :: CRATE_KW } ; [do] => { $ crate :: SyntaxKind :: DO_KW } ; [else] => { $ crate :: SyntaxKind :: ELSE_KW } ; [enum] => { $ crate :: SyntaxKind :: ENUM_KW } ; [extern] => { $ crate :: SyntaxKind :: EXTERN_KW } ; [false] => { $ crate :: SyntaxKind :: FALSE_KW } ; [final] => { $ crate :: SyntaxKind :: FINAL_KW } ; [fn] => { $ crate :: SyntaxKind :: FN_KW } ; [for] => { $ crate :: SyntaxKind :: FOR_KW } ; [if] => { $ crate :: SyntaxKind :: IF_KW } ; [impl] => { $ crate :: SyntaxKind :: IMPL_KW } ; [in] => { $ crate :: SyntaxKind :: IN_KW } ; [let] => { $ crate :: SyntaxKind :: LET_KW } ; [loop] => { $ crate :: SyntaxKind :: LOOP_KW } ; [macro] => { $ crate :: SyntaxKind :: MACRO_KW } ; [match] => { $ crate :: SyntaxKind :: MATCH_KW } ; [mod] => { $ crate :: SyntaxKind :: MOD_KW } ; [move] => { $ crate :: SyntaxKind :: MOVE_KW } ; [mut] => { $ crate :: SyntaxKind :: MUT_KW } ; [override] => { $ crate :: SyntaxKind :: OVERRIDE_KW } ; [priv] => { $ crate :: SyntaxKind :: PRIV_KW } ; [pub] => { $ crate :: SyntaxKind :: PUB_KW } ; [ref] => { $ crate :: SyntaxKind :: REF_KW } ; [return] => { $ crate :: SyntaxKind :: RETURN_KW } ; [self] => { $ crate :: SyntaxKind :: SELF_KW } ; [static] => { $ crate :: SyntaxKind :: STATIC_KW } ; [struct] => { $ crate :: SyntaxKind :: STRUCT_KW } ; [super] => { $ crate :: SyntaxKind :: SUPER_KW } ; [trait] => { $ crate :: SyntaxKind :: TRAIT_KW } ; [true] => { $ crate :: SyntaxKind :: TRUE_KW } ; [type] => { $ crate :: SyntaxKind :: TYPE_KW } ; [typeof] => { $ crate :: SyntaxKind :: TYPEOF_KW } ; [unsafe] => { $ crate :: SyntaxKind :: UNSAFE_KW } ; [unsized] => { $ crate :: SyntaxKind :: UNSIZED_KW } ; [use] => { $ crate :: SyntaxKind :: USE_KW } ; [virtual] => { $ crate :: SyntaxKind :: VIRTUAL_KW } ; [where] => { $ crate :: SyntaxKind :: WHERE_KW } ; [while] => { $ crate :: SyntaxKind :: WHILE_KW } ; [yield] => { $ crate :: SyntaxKind :: YIELD_KW } ; [asm] => { $ crate :: SyntaxKind :: ASM_KW } ; [att_syntax] => { $ crate :: SyntaxKind :: ATT_SYNTAX_KW } ; [auto] => { $ crate :: SyntaxKind :: AUTO_KW } ; [builtin] => { $ crate :: SyntaxKind :: BUILTIN_KW } ; [clobber_abi] => { $ crate :: SyntaxKind :: CLOBBER_ABI_KW } ; [default] => { $ crate :: SyntaxKind :: DEFAULT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [format_args] => { $ crate :: SyntaxKind :: FORMAT_ARGS_KW } ; [inlateout] => { $ crate :: SyntaxKind :: INLATEOUT_KW } ; [inout] => { $ crate :: SyntaxKind :: INOUT_KW } ; [label] => { $ crate :: SyntaxKind :: LABEL_KW } ; [lateout] => { $ crate :: SyntaxKind :: LATEOUT_KW } ; [macro_rules] => { $ crate :: SyntaxKind :: MACRO_RULES_KW } ; [may_unwind] => { $ crate :: SyntaxKind :: MAY_UNWIND_KW } ; [nomem] => { $ crate :: SyntaxKind :: NOMEM_KW } ; [noreturn] => { $ crate :: SyntaxKind :: NORETURN_KW } ; [nostack] => { $ crate :: SyntaxKind :: NOSTACK_KW } ; [offset_of] => { $ crate :: SyntaxKind :: OFFSET_OF_KW } ; [options] => { $ crate :: SyntaxKind :: OPTIONS_KW } ; [out] => { $ crate :: SyntaxKind :: OUT_KW } ; [preserves_flags] => { $ crate :: SyntaxKind :: PRESERVES_FLAGS_KW } ; [pure] => { $ crate :: SyntaxKind :: PURE_KW } ; [raw] => { $ crate :: SyntaxKind :: RAW_KW } ; [readonly] => { $ crate :: SyntaxKind :: READONLY_KW } ; [safe] => { $ crate :: SyntaxKind :: SAFE_KW } ; [sym] => { $ crate :: SyntaxKind :: SYM_KW } ; [union] => { $ crate :: SyntaxKind :: UNION_KW } ; [yeet] => { $ crate :: SyntaxKind :: YEET_KW } ; [async] => { $ crate :: SyntaxKind :: ASYNC_KW } ; [await] => { $ crate :: SyntaxKind :: AWAIT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [gen] => { $ crate :: SyntaxKind :: GEN_KW } ; [try] => { $ crate :: SyntaxKind :: TRY_KW } ; [lifetime_ident] => { $ crate :: SyntaxKind :: LIFETIME_IDENT } ; [int_number] => { $ crate :: SyntaxKind :: INT_NUMBER } ; [ident] => { $ crate :: SyntaxKind :: IDENT } ; [string] => { $ crate :: SyntaxKind :: STRING } ; [shebang] => { $ crate :: SyntaxKind :: SHEBANG } ; [frontmatter] => { $ crate :: SyntaxKind :: FRONTMATTER } ; }
 impl ::core::marker::Copy for SyntaxKind {}
 impl ::core::clone::Clone for SyntaxKind {
     #[inline]

crates/proc-macro-srv/src/tests/mod.rs

@@ -173,7 +173,6 @@ fn test_fn_like_macro_clone_raw_ident() {
 }
 
 #[test]
-#[cfg(not(bootstrap))]
 fn test_fn_like_fn_like_span_join() {
     assert_expand(
         "fn_like_span_join",
@@ -200,7 +199,6 @@ fn test_fn_like_fn_like_span_join() {
 }
 
 #[test]
-#[cfg(not(bootstrap))]
 fn test_fn_like_fn_like_span_ops() {
     assert_expand(
         "fn_like_span_ops",

crates/syntax/rust.ungram

@@ -133,6 +133,7 @@ Meta =
 
 SourceFile =
   '#shebang'?
+  '#frontmatter'?
   Attr*
   Item*
 

crates/syntax/src/ast/generated/nodes.rs

@@ -1524,6 +1524,10 @@ impl ast::HasAttrs for SourceFile {}
 impl ast::HasDocComments for SourceFile {}
 impl ast::HasModuleItem for SourceFile {}
 impl SourceFile {
+    #[inline]
+    pub fn frontmatter_token(&self) -> Option<SyntaxToken> {
+        support::token(&self.syntax, T![frontmatter])
+    }
     #[inline]
     pub fn shebang_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![shebang]) }
 }

xtask/src/codegen/grammar.rs

@@ -670,6 +670,7 @@ fn generate_syntax_kinds(grammar: KindsSrc) -> String {
             [ident] => { $crate::SyntaxKind::IDENT };
             [string] => { $crate::SyntaxKind::STRING };
             [shebang] => { $crate::SyntaxKind::SHEBANG };
+            [frontmatter] => { $crate::SyntaxKind::FRONTMATTER };
         }
 
         impl ::core::marker::Copy for SyntaxKind {}