Auto merge of #72983 - Lezzz:rename-typeck, r=nikomatsakis

Rename TypeckTables to TypeckResults.

Originally suggested by @eddyb.

src/librustc_driver/pretty.rs

@@ -80,7 +80,7 @@ where
         PpmTyped => {
             abort_on_err(tcx.analysis(LOCAL_CRATE), tcx.sess);
 
-            let annotation = TypedAnnotation { tcx, maybe_typeck_tables: Cell::new(None) };
+            let annotation = TypedAnnotation { tcx, maybe_typeck_results: Cell::new(None) };
             tcx.dep_graph.with_ignore(|| f(&annotation, tcx.hir().krate()))
         }
         _ => panic!("Should use call_with_pp_support"),
@@ -305,16 +305,18 @@ impl<'a> pprust::PpAnn for HygieneAnnotation<'a> {
 
 struct TypedAnnotation<'tcx> {
     tcx: TyCtxt<'tcx>,
-    maybe_typeck_tables: Cell<Option<&'tcx ty::TypeckTables<'tcx>>>,
+    maybe_typeck_results: Cell<Option<&'tcx ty::TypeckResults<'tcx>>>,
 }
 
 impl<'tcx> TypedAnnotation<'tcx> {
-    /// Gets the type-checking side-tables for the current body.
+    /// Gets the type-checking results for the current body.
     /// As this will ICE if called outside bodies, only call when working with
     /// `Expr` or `Pat` nodes (they are guaranteed to be found only in bodies).
     #[track_caller]
-    fn tables(&self) -> &'tcx ty::TypeckTables<'tcx> {
-        self.maybe_typeck_tables.get().expect("`TypedAnnotation::tables` called outside of body")
+    fn typeck_results(&self) -> &'tcx ty::TypeckResults<'tcx> {
+        self.maybe_typeck_results
+            .get()
+            .expect("`TypedAnnotation::typeck_results` called outside of body")
     }
 }
 
@@ -338,13 +340,13 @@ impl<'tcx> HirPrinterSupport<'tcx> for TypedAnnotation<'tcx> {
 
 impl<'tcx> pprust_hir::PpAnn for TypedAnnotation<'tcx> {
     fn nested(&self, state: &mut pprust_hir::State<'_>, nested: pprust_hir::Nested) {
-        let old_maybe_typeck_tables = self.maybe_typeck_tables.get();
+        let old_maybe_typeck_results = self.maybe_typeck_results.get();
         if let pprust_hir::Nested::Body(id) = nested {
-            self.maybe_typeck_tables.set(Some(self.tcx.body_tables(id)));
+            self.maybe_typeck_results.set(Some(self.tcx.typeck_body(id)));
         }
         let pp_ann = &(&self.tcx.hir() as &dyn hir::intravisit::Map<'_>);
         pprust_hir::PpAnn::nested(pp_ann, state, nested);
-        self.maybe_typeck_tables.set(old_maybe_typeck_tables);
+        self.maybe_typeck_results.set(old_maybe_typeck_results);
     }
     fn pre(&self, s: &mut pprust_hir::State<'_>, node: pprust_hir::AnnNode<'_>) {
         if let pprust_hir::AnnNode::Expr(_) = node {
@@ -356,7 +358,7 @@ impl<'tcx> pprust_hir::PpAnn for TypedAnnotation<'tcx> {
             s.s.space();
             s.s.word("as");
             s.s.space();
-            s.s.word(self.tables().expr_ty(expr).to_string());
+            s.s.word(self.typeck_results().expr_ty(expr).to_string());
             s.pclose();
         }
     }

src/librustc_hir/hir.rs

@@ -1571,7 +1571,7 @@ pub enum ExprKind<'hir> {
     /// To resolve the called method to a `DefId`, call [`type_dependent_def_id`] with
     /// the `hir_id` of the `MethodCall` node itself.
     ///
-    /// [`type_dependent_def_id`]: ../ty/struct.TypeckTables.html#method.type_dependent_def_id
+    /// [`type_dependent_def_id`]: ../ty/struct.TypeckResults.html#method.type_dependent_def_id
     MethodCall(&'hir PathSegment<'hir>, Span, &'hir [Expr<'hir>], Span),
     /// A tuple (e.g., `(a, b, c, d)`).
     Tup(&'hir [Expr<'hir>]),
@@ -1659,7 +1659,7 @@ pub enum ExprKind<'hir> {
 ///
 /// To resolve the path to a `DefId`, call [`qpath_res`].
 ///
-/// [`qpath_res`]: ../rustc_middle/ty/struct.TypeckTables.html#method.qpath_res
+/// [`qpath_res`]: ../rustc_middle/ty/struct.TypeckResults.html#method.qpath_res
 #[derive(RustcEncodable, RustcDecodable, Debug, HashStable_Generic)]
 pub enum QPath<'hir> {
     /// Path to a definition, optionally "fully-qualified" with a `Self`

src/librustc_incremental/persist/dirty_clean.rs

@@ -3,9 +3,9 @@
 //! we will compare the fingerprint from the current and from the previous
 //! compilation session as appropriate:
 //!
-//! - `#[rustc_clean(cfg="rev2", except="typeck_tables_of")]` if we are
+//! - `#[rustc_clean(cfg="rev2", except="typeck")]` if we are
 //!   in `#[cfg(rev2)]`, then the fingerprints associated with
-//!   `DepNode::typeck_tables_of(X)` must be DIFFERENT (`X` is the `DefId` of the
+//!   `DepNode::typeck(X)` must be DIFFERENT (`X` is the `DefId` of the
 //!   current node).
 //! - `#[rustc_clean(cfg="rev2")]` same as above, except that the
 //!   fingerprints must be the SAME (along with all other fingerprints).
@@ -48,7 +48,7 @@ const BASE_FN: &[&str] = &[
     label_strs::type_of,
     // And a big part of compilation (that we eventually want to cache) is type inference
     // information:
-    label_strs::typeck_tables_of,
+    label_strs::typeck,
 ];
 
 /// DepNodes for Hir, which is pretty much everything

src/librustc_infer/infer/error_reporting/mod.rs

@@ -624,8 +624,9 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
                         let scrut_expr = self.tcx.hir().expect_expr(scrut_hir_id);
                         let scrut_ty = if let hir::ExprKind::Call(_, args) = &scrut_expr.kind {
                             let arg_expr = args.first().expect("try desugaring call w/out arg");
-                            self.in_progress_tables
-                                .and_then(|tables| tables.borrow().expr_ty_opt(arg_expr))
+                            self.in_progress_typeck_results.and_then(|typeck_results| {
+                                typeck_results.borrow().expr_ty_opt(arg_expr)
+                            })
                         } else {
                             bug!("try desugaring w/out call expr as scrutinee");
                         };
@@ -1683,9 +1684,11 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
         let hir = &self.tcx.hir();
         // Attempt to obtain the span of the parameter so we can
         // suggest adding an explicit lifetime bound to it.
-        let generics =
-            self.in_progress_tables.map(|table| table.borrow().hir_owner).map(|table_owner| {
-                let hir_id = hir.as_local_hir_id(table_owner);
+        let generics = self
+            .in_progress_typeck_results
+            .map(|typeck_results| typeck_results.borrow().hir_owner)
+            .map(|owner| {
+                let hir_id = hir.as_local_hir_id(owner);
                 let parent_id = hir.get_parent_item(hir_id);
                 (
                     // Parent item could be a `mod`, so we check the HIR before calling:
@@ -1698,7 +1701,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
                     } else {
                         None
                     },
-                    self.tcx.generics_of(table_owner.to_def_id()),
+                    self.tcx.generics_of(owner.to_def_id()),
                 )
             });
         let type_param_span = match (generics, bound_kind) {

src/librustc_infer/infer/error_reporting/need_type_info.rs

@@ -42,8 +42,10 @@ impl<'a, 'tcx> FindHirNodeVisitor<'a, 'tcx> {
     }
 
     fn node_ty_contains_target(&mut self, hir_id: HirId) -> Option<Ty<'tcx>> {
-        let ty_opt =
-            self.infcx.in_progress_tables.and_then(|tables| tables.borrow().node_type_opt(hir_id));
+        let ty_opt = self
+            .infcx
+            .in_progress_typeck_results
+            .and_then(|typeck_results| typeck_results.borrow().node_type_opt(hir_id));
         match ty_opt {
             Some(ty) => {
                 let ty = self.infcx.resolve_vars_if_possible(&ty);
@@ -123,8 +125,11 @@ impl<'a, 'tcx> Visitor<'tcx> for FindHirNodeVisitor<'a, 'tcx> {
         if let ExprKind::MethodCall(_, call_span, exprs, _) = expr.kind {
             if call_span == self.target_span
                 && Some(self.target)
-                    == self.infcx.in_progress_tables.and_then(|tables| {
-                        tables.borrow().node_type_opt(exprs.first().unwrap().hir_id).map(Into::into)
+                    == self.infcx.in_progress_typeck_results.and_then(|typeck_results| {
+                        typeck_results
+                            .borrow()
+                            .node_type_opt(exprs.first().unwrap().hir_id)
+                            .map(Into::into)
                     })
             {
                 self.found_exact_method_call = Some(&expr);
@@ -580,8 +585,8 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
         e: &Expr<'_>,
         err: &mut DiagnosticBuilder<'_>,
     ) {
-        if let (Some(tables), None) = (self.in_progress_tables, &segment.args) {
-            let borrow = tables.borrow();
+        if let (Some(typeck_results), None) = (self.in_progress_typeck_results, &segment.args) {
+            let borrow = typeck_results.borrow();
             if let Some((DefKind::AssocFn, did)) = borrow.type_dependent_def(e.hir_id) {
                 let generics = self.tcx.generics_of(did);
                 if !generics.params.is_empty() {

src/librustc_infer/infer/mod.rs

@@ -283,11 +283,11 @@ impl<'tcx> InferCtxtInner<'tcx> {
 pub struct InferCtxt<'a, 'tcx> {
     pub tcx: TyCtxt<'tcx>,
 
-    /// During type-checking/inference of a body, `in_progress_tables`
-    /// contains a reference to the tables being built up, which are
+    /// During type-checking/inference of a body, `in_progress_typeck_results`
+    /// contains a reference to the typeck results being built up, which are
     /// used for reading closure kinds/signatures as they are inferred,
     /// and for error reporting logic to read arbitrary node types.
-    pub in_progress_tables: Option<&'a RefCell<ty::TypeckTables<'tcx>>>,
+    pub in_progress_typeck_results: Option<&'a RefCell<ty::TypeckResults<'tcx>>>,
 
     pub inner: RefCell<InferCtxtInner<'tcx>>,
 
@@ -571,7 +571,7 @@ impl<'tcx> fmt::Display for FixupError<'tcx> {
 /// `F: for<'b, 'tcx> where 'tcx FnOnce(InferCtxt<'b, 'tcx>)`.
 pub struct InferCtxtBuilder<'tcx> {
     tcx: TyCtxt<'tcx>,
-    fresh_tables: Option<RefCell<ty::TypeckTables<'tcx>>>,
+    fresh_typeck_results: Option<RefCell<ty::TypeckResults<'tcx>>>,
 }
 
 pub trait TyCtxtInferExt<'tcx> {
@@ -580,15 +580,15 @@ pub trait TyCtxtInferExt<'tcx> {
 
 impl TyCtxtInferExt<'tcx> for TyCtxt<'tcx> {
     fn infer_ctxt(self) -> InferCtxtBuilder<'tcx> {
-        InferCtxtBuilder { tcx: self, fresh_tables: None }
+        InferCtxtBuilder { tcx: self, fresh_typeck_results: None }
     }
 }
 
 impl<'tcx> InferCtxtBuilder<'tcx> {
     /// Used only by `rustc_typeck` during body type-checking/inference,
-    /// will initialize `in_progress_tables` with fresh `TypeckTables`.
-    pub fn with_fresh_in_progress_tables(mut self, table_owner: LocalDefId) -> Self {
-        self.fresh_tables = Some(RefCell::new(ty::TypeckTables::new(table_owner)));
+    /// will initialize `in_progress_typeck_results` with fresh `TypeckResults`.
+    pub fn with_fresh_in_progress_typeck_results(mut self, table_owner: LocalDefId) -> Self {
+        self.fresh_typeck_results = Some(RefCell::new(ty::TypeckResults::new(table_owner)));
         self
     }
 
@@ -616,11 +616,11 @@ impl<'tcx> InferCtxtBuilder<'tcx> {
     }
 
     pub fn enter<R>(&mut self, f: impl for<'a> FnOnce(InferCtxt<'a, 'tcx>) -> R) -> R {
-        let InferCtxtBuilder { tcx, ref fresh_tables } = *self;
-        let in_progress_tables = fresh_tables.as_ref();
+        let InferCtxtBuilder { tcx, ref fresh_typeck_results } = *self;
+        let in_progress_typeck_results = fresh_typeck_results.as_ref();
         f(InferCtxt {
             tcx,
-            in_progress_tables,
+            in_progress_typeck_results,
             inner: RefCell::new(InferCtxtInner::new()),
             lexical_region_resolutions: RefCell::new(None),
             selection_cache: Default::default(),
@@ -667,7 +667,7 @@ pub struct CombinedSnapshot<'a, 'tcx> {
     region_constraints_snapshot: RegionSnapshot,
     universe: ty::UniverseIndex,
     was_in_snapshot: bool,
-    _in_progress_tables: Option<Ref<'a, ty::TypeckTables<'tcx>>>,
+    _in_progress_typeck_results: Option<Ref<'a, ty::TypeckResults<'tcx>>>,
 }
 
 impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
@@ -789,9 +789,11 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
             region_constraints_snapshot: inner.unwrap_region_constraints().start_snapshot(),
             universe: self.universe(),
             was_in_snapshot: in_snapshot,
-            // Borrow tables "in progress" (i.e., during typeck)
+            // Borrow typeck results "in progress" (i.e., during typeck)
             // to ban writes from within a snapshot to them.
-            _in_progress_tables: self.in_progress_tables.map(|tables| tables.borrow()),
+            _in_progress_typeck_results: self
+                .in_progress_typeck_results
+                .map(|typeck_results| typeck_results.borrow()),
         }
     }
 
@@ -802,7 +804,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
             region_constraints_snapshot,
             universe,
             was_in_snapshot,
-            _in_progress_tables,
+            _in_progress_typeck_results,
         } = snapshot;
 
         self.in_snapshot.set(was_in_snapshot);
@@ -820,7 +822,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
             region_constraints_snapshot: _,
             universe: _,
             was_in_snapshot,
-            _in_progress_tables,
+            _in_progress_typeck_results,
         } = snapshot;
 
         self.in_snapshot.set(was_in_snapshot);

src/librustc_lint/array_into_iter.rs

@@ -31,7 +31,7 @@ impl<'tcx> LateLintPass<'tcx> for ArrayIntoIter {
 
             // Check if the method call actually calls the libcore
             // `IntoIterator::into_iter`.
-            let def_id = cx.tables().type_dependent_def_id(expr.hir_id).unwrap();
+            let def_id = cx.typeck_results().type_dependent_def_id(expr.hir_id).unwrap();
             match cx.tcx.trait_of_item(def_id) {
                 Some(trait_id) if cx.tcx.is_diagnostic_item(sym::IntoIterator, trait_id) => {}
                 _ => return,
@@ -45,7 +45,7 @@ impl<'tcx> LateLintPass<'tcx> for ArrayIntoIter {
             // `Box` is the only thing that values can be moved out of via
             // method call. `Box::new([1]).into_iter()` should trigger this
             // lint.
-            let mut recv_ty = cx.tables().expr_ty(receiver_arg);
+            let mut recv_ty = cx.typeck_results().expr_ty(receiver_arg);
             let mut num_box_derefs = 0;
             while recv_ty.is_box() {
                 num_box_derefs += 1;
@@ -60,13 +60,13 @@ impl<'tcx> LateLintPass<'tcx> for ArrayIntoIter {
             // Make sure that there is an autoref coercion at the expected
             // position. The first `num_box_derefs` adjustments are the derefs
             // of the box.
-            match cx.tables().expr_adjustments(receiver_arg).get(num_box_derefs) {
+            match cx.typeck_results().expr_adjustments(receiver_arg).get(num_box_derefs) {
                 Some(Adjustment { kind: Adjust::Borrow(_), .. }) => {}
                 _ => return,
             }
 
             // Emit lint diagnostic.
-            let target = match cx.tables().expr_ty_adjusted(receiver_arg).kind {
+            let target = match cx.typeck_results().expr_ty_adjusted(receiver_arg).kind {
                 ty::Ref(_, ty::TyS { kind: ty::Array(..), .. }, _) => "[T; N]",
                 ty::Ref(_, ty::TyS { kind: ty::Slice(..), .. }, _) => "[T]",
 

src/librustc_lint/builtin.rs

@@ -144,7 +144,7 @@ impl<'tcx> LateLintPass<'tcx> for BoxPointers {
     }
 
     fn check_expr(&mut self, cx: &LateContext<'_>, e: &hir::Expr<'_>) {
-        let ty = cx.tables().node_type(e.hir_id);
+        let ty = cx.typeck_results().node_type(e.hir_id);
         self.check_heap_type(cx, e.span, ty);
     }
 }
@@ -161,7 +161,7 @@ impl<'tcx> LateLintPass<'tcx> for NonShorthandFieldPatterns {
     fn check_pat(&mut self, cx: &LateContext<'_>, pat: &hir::Pat<'_>) {
         if let PatKind::Struct(ref qpath, field_pats, _) = pat.kind {
             let variant = cx
-                .tables()
+                .typeck_results()
                 .pat_ty(pat)
                 .ty_adt_def()
                 .expect("struct pattern type is not an ADT")
@@ -178,7 +178,7 @@ impl<'tcx> LateLintPass<'tcx> for NonShorthandFieldPatterns {
                 }
                 if let PatKind::Binding(binding_annot, _, ident, None) = fieldpat.pat.kind {
                     if cx.tcx.find_field_index(ident, &variant)
-                        == Some(cx.tcx.field_index(fieldpat.hir_id, cx.tables()))
+                        == Some(cx.tcx.field_index(fieldpat.hir_id, cx.typeck_results()))
                     {
                         cx.struct_span_lint(NON_SHORTHAND_FIELD_PATTERNS, fieldpat.span, |lint| {
                             let mut err = lint
@@ -909,7 +909,7 @@ impl<'tcx> LateLintPass<'tcx> for MutableTransmutes {
                 if !def_id_is_transmute(cx, did) {
                     return None;
                 }
-                let sig = cx.tables().node_type(expr.hir_id).fn_sig(cx.tcx);
+                let sig = cx.typeck_results().node_type(expr.hir_id).fn_sig(cx.tcx);
                 let from = sig.inputs().skip_binder()[0];
                 let to = sig.output().skip_binder();
                 return Some((from, to));
@@ -1901,7 +1901,7 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue {
                 }
             } else if let hir::ExprKind::MethodCall(_, _, ref args, _) = expr.kind {
                 // Find problematic calls to `MaybeUninit::assume_init`.
-                let def_id = cx.tables().type_dependent_def_id(expr.hir_id)?;
+                let def_id = cx.typeck_results().type_dependent_def_id(expr.hir_id)?;
                 if cx.tcx.is_diagnostic_item(sym::assume_init, def_id) {
                     // This is a call to *some* method named `assume_init`.
                     // See if the `self` parameter is one of the dangerous constructors.
@@ -2020,7 +2020,7 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue {
             // This conjures an instance of a type out of nothing,
             // using zeroed or uninitialized memory.
             // We are extremely conservative with what we warn about.
-            let conjured_ty = cx.tables().expr_ty(expr);
+            let conjured_ty = cx.typeck_results().expr_ty(expr);
             if let Some((msg, span)) = ty_find_init_error(cx.tcx, conjured_ty, init) {
                 cx.struct_span_lint(INVALID_VALUE, expr.span, |lint| {
                     let mut err = lint.build(&format!(