Rollup of 9 pull requests

RELEASES.md

@@ -62,9 +62,9 @@ Stabilized APIs
 - [`<uN>::unchecked_shl`](https://doc.rust-lang.org/stable/std/primitive.usize.html#method.unchecked_shl)
 - [`<uN>::unchecked_shr`](https://doc.rust-lang.org/stable/std/primitive.usize.html#method.unchecked_shr)
 - [`<[T]>::as_array`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_array)
-- [`<[T]>::as_array_mut`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_mut_array)
+- [`<[T]>::as_mut_array`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_mut_array)
 - [`<*const [T]>::as_array`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.as_array)
-- [`<*mut [T]>::as_array_mut`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.as_mut_array)
+- [`<*mut [T]>::as_mut_array`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.as_mut_array)
 - [`VecDeque::pop_front_if`](https://doc.rust-lang.org/stable/std/collections/struct.VecDeque.html#method.pop_front_if)
 - [`VecDeque::pop_back_if`](https://doc.rust-lang.org/stable/std/collections/struct.VecDeque.html#method.pop_back_if)
 - [`Duration::from_nanos_u128`](https://doc.rust-lang.org/stable/std/time/struct.Duration.html#method.from_nanos_u128)

compiler/rustc_expand/src/proc_macro_server.rs

@@ -431,8 +431,6 @@ impl ToInternal<rustc_errors::Level> for Level {
     }
 }
 
-pub(crate) struct FreeFunctions;
-
 pub(crate) struct Rustc<'a, 'b> {
     ecx: &'a mut ExtCtxt<'b>,
     def_site: Span,
@@ -461,13 +459,28 @@ impl<'a, 'b> Rustc<'a, 'b> {
 }
 
 impl server::Types for Rustc<'_, '_> {
-    type FreeFunctions = FreeFunctions;
     type TokenStream = TokenStream;
     type Span = Span;
     type Symbol = Symbol;
 }
 
-impl server::FreeFunctions for Rustc<'_, '_> {
+impl server::Server for Rustc<'_, '_> {
+    fn globals(&mut self) -> ExpnGlobals<Self::Span> {
+        ExpnGlobals {
+            def_site: self.def_site,
+            call_site: self.call_site,
+            mixed_site: self.mixed_site,
+        }
+    }
+
+    fn intern_symbol(string: &str) -> Self::Symbol {
+        Symbol::intern(string)
+    }
+
+    fn with_symbol_string(symbol: &Self::Symbol, f: impl FnOnce(&str)) {
+        f(symbol.as_str())
+    }
+
     fn injected_env_var(&mut self, var: &str) -> Option<String> {
         self.ecx.sess.opts.logical_env.get(var).cloned()
     }
@@ -552,14 +565,20 @@ impl server::FreeFunctions for Rustc<'_, '_> {
         }
         diag.emit();
     }
-}
 
-impl server::TokenStream for Rustc<'_, '_> {
-    fn is_empty(&mut self, stream: &Self::TokenStream) -> bool {
+    fn ts_drop(&mut self, stream: Self::TokenStream) {
+        drop(stream);
+    }
+
+    fn ts_clone(&mut self, stream: &Self::TokenStream) -> Self::TokenStream {
+        stream.clone()
+    }
+
+    fn ts_is_empty(&mut self, stream: &Self::TokenStream) -> bool {
         stream.is_empty()
     }
 
-    fn from_str(&mut self, src: &str) -> Self::TokenStream {
+    fn ts_from_str(&mut self, src: &str) -> Self::TokenStream {
         unwrap_or_emit_fatal(source_str_to_stream(
             self.psess(),
             FileName::proc_macro_source_code(src),
@@ -568,11 +587,11 @@ impl server::TokenStream for Rustc<'_, '_> {
         ))
     }
 
-    fn to_string(&mut self, stream: &Self::TokenStream) -> String {
+    fn ts_to_string(&mut self, stream: &Self::TokenStream) -> String {
         pprust::tts_to_string(stream)
     }
 
-    fn expand_expr(&mut self, stream: &Self::TokenStream) -> Result<Self::TokenStream, ()> {
+    fn ts_expand_expr(&mut self, stream: &Self::TokenStream) -> Result<Self::TokenStream, ()> {
         // Parse the expression from our tokenstream.
         let expr: PResult<'_, _> = try {
             let mut p = Parser::new(self.psess(), stream.clone(), Some("proc_macro expand expr"));
@@ -633,14 +652,14 @@ impl server::TokenStream for Rustc<'_, '_> {
         }
     }
 
-    fn from_token_tree(
+    fn ts_from_token_tree(
         &mut self,
         tree: TokenTree<Self::TokenStream, Self::Span, Self::Symbol>,
     ) -> Self::TokenStream {
         Self::TokenStream::new((tree, &mut *self).to_internal().into_iter().collect::<Vec<_>>())
     }
 
-    fn concat_trees(
+    fn ts_concat_trees(
         &mut self,
         base: Option<Self::TokenStream>,
         trees: Vec<TokenTree<Self::TokenStream, Self::Span, Self::Symbol>>,
@@ -654,7 +673,7 @@ impl server::TokenStream for Rustc<'_, '_> {
         stream
     }
 
-    fn concat_streams(
+    fn ts_concat_streams(
         &mut self,
         base: Option<Self::TokenStream>,
         streams: Vec<Self::TokenStream>,
@@ -666,24 +685,22 @@ impl server::TokenStream for Rustc<'_, '_> {
         stream
     }
 
-    fn into_trees(
+    fn ts_into_trees(
         &mut self,
         stream: Self::TokenStream,
     ) -> Vec<TokenTree<Self::TokenStream, Self::Span, Self::Symbol>> {
         FromInternal::from_internal((stream, self))
     }
-}
 
-impl server::Span for Rustc<'_, '_> {
-    fn debug(&mut self, span: Self::Span) -> String {
+    fn span_debug(&mut self, span: Self::Span) -> String {
         if self.ecx.ecfg.span_debug {
             format!("{span:?}")
         } else {
             format!("{:?} bytes({}..{})", span.ctxt(), span.lo().0, span.hi().0)
         }
     }
 
-    fn file(&mut self, span: Self::Span) -> String {
+    fn span_file(&mut self, span: Self::Span) -> String {
         self.psess()
             .source_map()
             .lookup_char_pos(span.lo())
@@ -693,7 +710,7 @@ impl server::Span for Rustc<'_, '_> {
             .to_string()
     }
 
-    fn local_file(&mut self, span: Self::Span) -> Option<String> {
+    fn span_local_file(&mut self, span: Self::Span) -> Option<String> {
         self.psess()
             .source_map()
             .lookup_char_pos(span.lo())
@@ -708,41 +725,41 @@ impl server::Span for Rustc<'_, '_> {
             })
     }
 
-    fn parent(&mut self, span: Self::Span) -> Option<Self::Span> {
+    fn span_parent(&mut self, span: Self::Span) -> Option<Self::Span> {
         span.parent_callsite()
     }
 
-    fn source(&mut self, span: Self::Span) -> Self::Span {
+    fn span_source(&mut self, span: Self::Span) -> Self::Span {
         span.source_callsite()
     }
 
-    fn byte_range(&mut self, span: Self::Span) -> Range<usize> {
+    fn span_byte_range(&mut self, span: Self::Span) -> Range<usize> {
         let source_map = self.psess().source_map();
 
         let relative_start_pos = source_map.lookup_byte_offset(span.lo()).pos;
         let relative_end_pos = source_map.lookup_byte_offset(span.hi()).pos;
 
         Range { start: relative_start_pos.0 as usize, end: relative_end_pos.0 as usize }
     }
-    fn start(&mut self, span: Self::Span) -> Self::Span {
+    fn span_start(&mut self, span: Self::Span) -> Self::Span {
         span.shrink_to_lo()
     }
 
-    fn end(&mut self, span: Self::Span) -> Self::Span {
+    fn span_end(&mut self, span: Self::Span) -> Self::Span {
         span.shrink_to_hi()
     }
 
-    fn line(&mut self, span: Self::Span) -> usize {
+    fn span_line(&mut self, span: Self::Span) -> usize {
         let loc = self.psess().source_map().lookup_char_pos(span.lo());
         loc.line
     }
 
-    fn column(&mut self, span: Self::Span) -> usize {
+    fn span_column(&mut self, span: Self::Span) -> usize {
         let loc = self.psess().source_map().lookup_char_pos(span.lo());
         loc.col.to_usize() + 1
     }
 
-    fn join(&mut self, first: Self::Span, second: Self::Span) -> Option<Self::Span> {
+    fn span_join(&mut self, first: Self::Span, second: Self::Span) -> Option<Self::Span> {
         let self_loc = self.psess().source_map().lookup_char_pos(first.lo());
         let other_loc = self.psess().source_map().lookup_char_pos(second.lo());
 
@@ -753,7 +770,7 @@ impl server::Span for Rustc<'_, '_> {
         Some(first.to(second))
     }
 
-    fn subspan(
+    fn span_subspan(
         &mut self,
         span: Self::Span,
         start: Bound<usize>,
@@ -789,11 +806,11 @@ impl server::Span for Rustc<'_, '_> {
         Some(span.with_lo(new_lo).with_hi(new_hi))
     }
 
-    fn resolved_at(&mut self, span: Self::Span, at: Self::Span) -> Self::Span {
+    fn span_resolved_at(&mut self, span: Self::Span, at: Self::Span) -> Self::Span {
         span.with_ctxt(at.ctxt())
     }
 
-    fn source_text(&mut self, span: Self::Span) -> Option<String> {
+    fn span_source_text(&mut self, span: Self::Span) -> Option<String> {
         self.psess().source_map().span_to_snippet(span).ok()
     }
 
@@ -821,41 +838,21 @@ impl server::Span for Rustc<'_, '_> {
     /// span from the metadata of `my_proc_macro` (which we have access to,
     /// since we've loaded `my_proc_macro` from disk in order to execute it).
     /// In this way, we have obtained a span pointing into `my_proc_macro`
-    fn save_span(&mut self, span: Self::Span) -> usize {
+    fn span_save_span(&mut self, span: Self::Span) -> usize {
         self.psess().save_proc_macro_span(span)
     }
 
-    fn recover_proc_macro_span(&mut self, id: usize) -> Self::Span {
+    fn span_recover_proc_macro_span(&mut self, id: usize) -> Self::Span {
         let (resolver, krate, def_site) = (&*self.ecx.resolver, self.krate, self.def_site);
         *self.rebased_spans.entry(id).or_insert_with(|| {
             // FIXME: `SyntaxContext` for spans from proc macro crates is lost during encoding,
             // replace it with a def-site context until we are encoding it properly.
             resolver.get_proc_macro_quoted_span(krate, id).with_ctxt(def_site.ctxt())
         })
     }
-}
 
-impl server::Symbol for Rustc<'_, '_> {
-    fn normalize_and_validate_ident(&mut self, string: &str) -> Result<Self::Symbol, ()> {
+    fn symbol_normalize_and_validate_ident(&mut self, string: &str) -> Result<Self::Symbol, ()> {
         let sym = nfc_normalize(string);
         if rustc_lexer::is_ident(sym.as_str()) { Ok(sym) } else { Err(()) }
     }
 }
-
-impl server::Server for Rustc<'_, '_> {
-    fn globals(&mut self) -> ExpnGlobals<Self::Span> {
-        ExpnGlobals {
-            def_site: self.def_site,
-            call_site: self.call_site,
-            mixed_site: self.mixed_site,
-        }
-    }
-
-    fn intern_symbol(string: &str) -> Self::Symbol {
-        Symbol::intern(string)
-    }
-
-    fn with_symbol_string(symbol: &Self::Symbol, f: impl FnOnce(&str)) {
-        f(symbol.as_str())
-    }
-}

compiler/rustc_interface/src/callbacks.rs

@@ -72,7 +72,7 @@ fn def_id_debug(def_id: rustc_hir::def_id::DefId, f: &mut fmt::Formatter<'_>) ->
 pub fn dep_kind_debug(kind: DepKind, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
     tls::with_opt(|opt_tcx| {
         if let Some(tcx) = opt_tcx {
-            write!(f, "{}", tcx.dep_kind_info(kind).name)
+            write!(f, "{}", tcx.dep_kind_vtable(kind).name)
         } else {
             default_dep_kind_debug(kind, f)
         }

compiler/rustc_interface/src/passes.rs

@@ -992,7 +992,7 @@ pub fn create_and_enter_global_ctxt<T, F: for<'tcx> FnOnce(TyCtxt<'tcx>) -> T>(
             hir_arena,
             untracked,
             dep_graph,
-            rustc_query_impl::query_callbacks(arena),
+            rustc_query_impl::make_dep_kind_vtables(arena),
             rustc_query_impl::query_system(
                 providers.queries,
                 providers.extern_queries,

compiler/rustc_middle/src/arena.rs

@@ -104,7 +104,7 @@ macro_rules! arena_types {
             [decode] is_late_bound_map: rustc_data_structures::fx::FxIndexSet<rustc_hir::ItemLocalId>,
             [decode] impl_source: rustc_middle::traits::ImplSource<'tcx, ()>,
 
-            [] dep_kind: rustc_middle::dep_graph::DepKindStruct<'tcx>,
+            [] dep_kind_vtable: rustc_middle::dep_graph::DepKindVTable<'tcx>,
 
             [decode] trait_impl_trait_tys:
                 rustc_data_structures::unord::UnordMap<

compiler/rustc_middle/src/dep_graph/mod.rs

@@ -18,7 +18,7 @@ pub use rustc_query_system::dep_graph::{
 
 pub type DepGraph = rustc_query_system::dep_graph::DepGraph<DepsType>;
 
-pub type DepKindStruct<'tcx> = rustc_query_system::dep_graph::DepKindStruct<TyCtxt<'tcx>>;
+pub type DepKindVTable<'tcx> = rustc_query_system::dep_graph::DepKindVTable<TyCtxt<'tcx>>;
 
 pub struct DepsType;
 
@@ -79,8 +79,8 @@ impl<'tcx> DepContext for TyCtxt<'tcx> {
     }
 
     #[inline]
-    fn dep_kind_info(&self, dk: DepKind) -> &DepKindStruct<'tcx> {
-        &self.query_kinds[dk.as_usize()]
+    fn dep_kind_vtable(&self, dk: DepKind) -> &DepKindVTable<'tcx> {
+        &self.dep_kind_vtables[dk.as_usize()]
     }
 
     fn with_reduced_queries<T>(self, f: impl FnOnce() -> T) -> T {

compiler/rustc_middle/src/ty/context.rs

@@ -59,7 +59,7 @@ use rustc_type_ir::{
 use tracing::{debug, instrument};
 
 use crate::arena::Arena;
-use crate::dep_graph::{DepGraph, DepKindStruct};
+use crate::dep_graph::{DepGraph, DepKindVTable};
 use crate::infer::canonical::{CanonicalParamEnvCache, CanonicalVarKind, CanonicalVarKinds};
 use crate::lint::lint_level;
 use crate::metadata::ModChild;
@@ -1580,7 +1580,7 @@ pub struct GlobalCtxt<'tcx> {
     untracked: Untracked,
 
     pub query_system: QuerySystem<'tcx>,
-    pub(crate) query_kinds: &'tcx [DepKindStruct<'tcx>],
+    pub(crate) dep_kind_vtables: &'tcx [DepKindVTable<'tcx>],
 
     // Internal caches for metadata decoding. No need to track deps on this.
     pub ty_rcache: Lock<FxHashMap<ty::CReaderCacheKey, Ty<'tcx>>>,
@@ -1801,7 +1801,7 @@ impl<'tcx> TyCtxt<'tcx> {
         hir_arena: &'tcx WorkerLocal<hir::Arena<'tcx>>,
         untracked: Untracked,
         dep_graph: DepGraph,
-        query_kinds: &'tcx [DepKindStruct<'tcx>],
+        dep_kind_vtables: &'tcx [DepKindVTable<'tcx>],
         query_system: QuerySystem<'tcx>,
         hooks: crate::hooks::Providers,
         current_gcx: CurrentGcx,
@@ -1831,7 +1831,7 @@ impl<'tcx> TyCtxt<'tcx> {
             consts: common_consts,
             untracked,
             query_system,
-            query_kinds,
+            dep_kind_vtables,
             ty_rcache: Default::default(),
             selection_cache: Default::default(),
             evaluation_cache: Default::default(),

compiler/rustc_query_impl/src/lib.rs

@@ -9,7 +9,7 @@
 use rustc_data_structures::stable_hasher::HashStable;
 use rustc_data_structures::sync::AtomicU64;
 use rustc_middle::arena::Arena;
-use rustc_middle::dep_graph::{self, DepKind, DepKindStruct, DepNodeIndex};
+use rustc_middle::dep_graph::{self, DepKind, DepKindVTable, DepNodeIndex};
 use rustc_middle::query::erase::{Erase, erase, restore};
 use rustc_middle::query::on_disk_cache::{CacheEncoder, EncodedDepNodeIndex, OnDiskCache};
 use rustc_middle::query::plumbing::{DynamicQuery, QuerySystem, QuerySystemFns};