remove box_syntax uses from cranelift and tools

hellow554 · est31 · commit 0f081832b43d · 2021-08-18T09:31:51.000+02:00
diff --git a/compiler/rustc_codegen_cranelift/example/alloc_example.rs b/compiler/rustc_codegen_cranelift/example/alloc_example.rs
@@ -1,4 +1,4 @@
-#![feature(start, box_syntax, core_intrinsics, alloc_prelude, alloc_error_handler)]
+#![feature(start, core_intrinsics, alloc_prelude, alloc_error_handler)]
 #![no_std]
 
 extern crate alloc;
diff --git a/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs b/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs
@@ -1,4 +1,4 @@
-#![feature(no_core, lang_items, box_syntax, never_type, linkage, extern_types, thread_local)]
+#![feature(no_core, lang_items, never_type, linkage, extern_types, thread_local)]
 #![no_core]
 #![allow(dead_code, non_camel_case_types)]
 
diff --git a/compiler/rustc_codegen_cranelift/example/mod_bench.rs b/compiler/rustc_codegen_cranelift/example/mod_bench.rs
@@ -1,4 +1,4 @@
-#![feature(start, box_syntax, core_intrinsics, lang_items)]
+#![feature(start, core_intrinsics, lang_items)]
 #![no_std]
 
 #[cfg_attr(unix, link(name = "c"))]
diff --git a/src/librustdoc/clean/auto_trait.rs b/src/librustdoc/clean/auto_trait.rs
@@ -114,7 +114,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
             attrs: Default::default(),
             visibility: Inherited,
             def_id: ItemId::Auto { trait_: trait_def_id, for_: item_def_id },
-            kind: box ImplItem(Impl {
+            kind: Box::new(ImplItem(Impl {
                 span: Span::dummy(),
                 unsafety: hir::Unsafety::Normal,
                 generics: new_generics,
@@ -124,7 +124,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
                 negative_polarity,
                 synthetic: true,
                 blanket_impl: None,
-            }),
+            })),
             cfg: None,
         })
     }
diff --git a/src/librustdoc/clean/blanket_impl.rs b/src/librustdoc/clean/blanket_impl.rs
@@ -97,7 +97,7 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> {
                     attrs: Default::default(),
                     visibility: Inherited,
                     def_id: ItemId::Blanket { impl_id: impl_def_id, for_: item_def_id },
-                    kind: box ImplItem(Impl {
+                    kind: Box::new(ImplItem(Impl {
                         span: Span::new(self.cx.tcx.def_span(impl_def_id)),
                         unsafety: hir::Unsafety::Normal,
                         generics: (
@@ -118,8 +118,8 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> {
                             .clean(self.cx),
                         negative_polarity: false,
                         synthetic: false,
-                        blanket_impl: Some(box trait_ref.self_ty().clean(self.cx)),
-                    }),
+                        blanket_impl: Some(Box::new(trait_ref.self_ty().clean(self.cx))),
+                    })),
                     cfg: None,
                 });
             }
diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs
@@ -124,8 +124,14 @@ crate fn try_inline(
 
     let (attrs, cfg) = merge_attrs(cx, Some(parent_module), load_attrs(cx, did), attrs_clone);
     cx.inlined.insert(did.into());
-    let mut item =
-        clean::Item::from_def_id_and_attrs_and_parts(did, Some(name), kind, box attrs, cx, cfg);
+    let mut item = clean::Item::from_def_id_and_attrs_and_parts(
+        did,
+        Some(name),
+        kind,
+        Box::new(attrs),
+        cx,
+        cfg,
+    );
     if let Some(import_def_id) = import_def_id {
         // The visibility needs to reflect the one from the reexport and not from the "source" DefId.
         item.visibility = cx.tcx.visibility(import_def_id).clean(cx);
@@ -458,7 +464,7 @@ crate fn build_impl(
             synthetic: false,
             blanket_impl: None,
         }),
-        box merged_attrs,
+        Box::new(merged_attrs),
         cx,
         cfg,
     ));
@@ -486,10 +492,10 @@ fn build_module(
                 let prim_ty = clean::PrimitiveType::from(p);
                 items.push(clean::Item {
                     name: None,
-                    attrs: box clean::Attributes::default(),
+                    attrs: Box::new(clean::Attributes::default()),
                     def_id: ItemId::Primitive(prim_ty, did.krate),
                     visibility: clean::Public,
-                    kind: box clean::ImportItem(clean::Import::new_simple(
+                    kind: Box::new(clean::ImportItem(clean::Import::new_simple(
                         item.ident.name,
                         clean::ImportSource {
                             path: clean::Path {
@@ -506,7 +512,7 @@ fn build_module(
                             did: None,
                         },
                         true,
-                    )),
+                    ))),
                     cfg: None,
                 });
             } else if let Some(i) =
diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs
@@ -403,8 +403,8 @@ impl<'tcx> Clean<Type> for ty::ProjectionTy<'tcx> {
         Type::QPath {
             name: cx.tcx.associated_item(self.item_def_id).ident.name,
             self_def_id: self_type.def_id(),
-            self_type: box self_type,
-            trait_: box trait_,
+            self_type: Box::new(self_type),
+            trait_: Box::new(trait_),
         }
     }
 }
@@ -1305,8 +1305,8 @@ fn clean_qpath(hir_ty: &hir::Ty<'_>, cx: &mut DocContext<'_>) -> Type {
             Type::QPath {
                 name: p.segments.last().expect("segments were empty").ident.name,
                 self_def_id: Some(DefId::local(qself.hir_id.owner.local_def_index)),
-                self_type: box qself.clean(cx),
-                trait_: box resolve_type(cx, trait_path, hir_id),
+                self_type: Box::new(qself.clean(cx)),
+                trait_: Box::new(resolve_type(cx, trait_path, hir_id)),
             }
         }
         hir::QPath::TypeRelative(ref qself, ref segment) => {
@@ -1320,8 +1320,8 @@ fn clean_qpath(hir_ty: &hir::Ty<'_>, cx: &mut DocContext<'_>) -> Type {
             Type::QPath {
                 name: segment.ident.name,
                 self_def_id: res.opt_def_id(),
-                self_type: box qself.clean(cx),
-                trait_: box resolve_type(cx, trait_path, hir_id),
+                self_type: Box::new(qself.clean(cx)),
+                trait_: Box::new(resolve_type(cx, trait_path, hir_id)),
             }
         }
         hir::QPath::LangItem(..) => bug!("clean: requiring documentation of lang item"),
@@ -1334,7 +1334,7 @@ impl Clean<Type> for hir::Ty<'_> {
 
         match self.kind {
             TyKind::Never => Never,
-            TyKind::Ptr(ref m) => RawPointer(m.mutbl, box m.ty.clean(cx)),
+            TyKind::Ptr(ref m) => RawPointer(m.mutbl, Box::new(m.ty.clean(cx))),
             TyKind::Rptr(ref l, ref m) => {
                 // There are two times a `Fresh` lifetime can be created:
                 // 1. For `&'_ x`, written by the user. This corresponds to `lower_lifetime` in `rustc_ast_lowering`.
@@ -1346,9 +1346,9 @@ impl Clean<Type> for hir::Ty<'_> {
                 let elided =
                     l.is_elided() || matches!(l.name, LifetimeName::Param(ParamName::Fresh(_)));
                 let lifetime = if elided { None } else { Some(l.clean(cx)) };
-                BorrowedRef { lifetime, mutability: m.mutbl, type_: box m.ty.clean(cx) }
+                BorrowedRef { lifetime, mutability: m.mutbl, type_: Box::new(m.ty.clean(cx)) }
             }
-            TyKind::Slice(ref ty) => Slice(box ty.clean(cx)),
+            TyKind::Slice(ref ty) => Slice(Box::new(ty.clean(cx))),
             TyKind::Array(ref ty, ref length) => {
                 let def_id = cx.tcx.hir().local_def_id(length.hir_id);
                 // NOTE(min_const_generics): We can't use `const_eval_poly` for constants
@@ -1361,7 +1361,7 @@ impl Clean<Type> for hir::Ty<'_> {
                 let ct = ty::Const::from_anon_const(cx.tcx, def_id);
                 let param_env = cx.tcx.param_env(def_id);
                 let length = print_const(cx, ct.eval(cx.tcx, param_env));
-                Array(box ty.clean(cx), length)
+                Array(Box::new(ty.clean(cx)), length)
             }
             TyKind::Tup(ref tys) => Tuple(tys.clean(cx)),
             TyKind::OpaqueDef(item_id, _) => {
@@ -1378,7 +1378,7 @@ impl Clean<Type> for hir::Ty<'_> {
                 let lifetime = if !lifetime.is_elided() { Some(lifetime.clean(cx)) } else { None };
                 DynTrait(bounds, lifetime)
             }
-            TyKind::BareFn(ref barefn) => BareFunction(box barefn.clean(cx)),
+            TyKind::BareFn(ref barefn) => BareFunction(Box::new(barefn.clean(cx))),
             TyKind::Infer | TyKind::Err => Infer,
             TyKind::Typeof(..) => panic!("unimplemented type {:?}", self.kind),
         }
@@ -1428,27 +1428,29 @@ impl<'tcx> Clean<Type> for Ty<'tcx> {
             ty::Uint(uint_ty) => Primitive(uint_ty.into()),
             ty::Float(float_ty) => Primitive(float_ty.into()),
             ty::Str => Primitive(PrimitiveType::Str),
-            ty::Slice(ty) => Slice(box ty.clean(cx)),
+            ty::Slice(ty) => Slice(Box::new(ty.clean(cx))),
             ty::Array(ty, n) => {
                 let mut n = cx.tcx.lift(n).expect("array lift failed");
                 n = n.eval(cx.tcx, ty::ParamEnv::reveal_all());
                 let n = print_const(cx, n);
-                Array(box ty.clean(cx), n)
-            }
-            ty::RawPtr(mt) => RawPointer(mt.mutbl, box mt.ty.clean(cx)),
-            ty::Ref(r, ty, mutbl) => {
-                BorrowedRef { lifetime: r.clean(cx), mutability: mutbl, type_: box ty.clean(cx) }
+                Array(Box::new(ty.clean(cx)), n)
             }
+            ty::RawPtr(mt) => RawPointer(mt.mutbl, Box::new(mt.ty.clean(cx))),
+            ty::Ref(r, ty, mutbl) => BorrowedRef {
+                lifetime: r.clean(cx),
+                mutability: mutbl,
+                type_: Box::new(ty.clean(cx)),
+            },
             ty::FnDef(..) | ty::FnPtr(_) => {
                 let ty = cx.tcx.lift(*self).expect("FnPtr lift failed");
                 let sig = ty.fn_sig(cx.tcx);
                 let def_id = DefId::local(CRATE_DEF_INDEX);
-                BareFunction(box BareFunctionDecl {
+                BareFunction(Box::new(BareFunctionDecl {
                     unsafety: sig.unsafety(),
                     generic_params: Vec::new(),
                     decl: (def_id, sig).clean(cx),
                     abi: sig.abi(),
-                })
+                }))
             }
             ty::Adt(def, substs) => {
                 let did = def.did;
@@ -1988,10 +1990,10 @@ fn clean_extern_crate(
     // FIXME: using `from_def_id_and_kind` breaks `rustdoc/masked` for some reason
     vec![Item {
         name: Some(name),
-        attrs: box attrs.clean(cx),
+        attrs: Box::new(attrs.clean(cx)),
         def_id: crate_def_id.into(),
         visibility: krate.vis.clean(cx),
-        kind: box ExternCrateItem { src: orig_name },
+        kind: Box::new(ExternCrateItem { src: orig_name }),
         cfg: attrs.cfg(cx.sess()),
     }]
 }
diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs
@@ -416,7 +416,7 @@ impl Item {
             def_id,
             name,
             kind,
-            box ast_attrs.clean(cx),
+            Box::new(ast_attrs.clean(cx)),
             cx,
             ast_attrs.cfg(cx.sess()),
         )
@@ -434,7 +434,7 @@ impl Item {
 
         Item {
             def_id: def_id.into(),
-            kind: box kind,
+            kind: Box::new(kind),
             name,
             attrs,
             visibility: cx.tcx.visibility(def_id).clean(cx),
diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs
@@ -265,7 +265,7 @@ crate fn create_config(
         stderr: None,
         lint_caps,
         parse_sess_created: None,
-        register_lints: Some(box crate::lint::register_lints),
+        register_lints: Some(Box::new(crate::lint::register_lints)),
         override_queries: Some(|_sess, providers, _external_providers| {
             // Most lints will require typechecking, so just don't run them.
             providers.lint_mod = |_, _| {};
diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs
@@ -99,7 +99,7 @@ crate fn run(options: Options) -> Result<(), ErrorReported> {
         stderr: None,
         lint_caps,
         parse_sess_created: None,
-        register_lints: Some(box crate::lint::register_lints),
+        register_lints: Some(Box::new(crate::lint::register_lints)),
         override_queries: None,
         make_codegen_backend: None,
         registry: rustc_driver::diagnostics_registry(),
@@ -549,10 +549,10 @@ crate fn make_test(
                     .supports_color();
 
             let emitter =
-                EmitterWriter::new(box io::sink(), None, false, false, false, None, false);
+                EmitterWriter::new(Box::new(io::sink()), None, false, false, false, None, false);
 
             // FIXME(misdreavus): pass `-Z treat-err-as-bug` to the doctest parser
-            let handler = Handler::with_emitter(false, None, box emitter);
+            let handler = Handler::with_emitter(false, None, Box::new(emitter));
             let sess = ParseSess::with_span_handler(handler, sm);
 
             let mut found_main = false;
@@ -962,7 +962,7 @@ impl Tester for Collector {
                 no_run,
                 test_type: test::TestType::DocTest,
             },
-            testfn: test::DynTestFn(box move || {
+            testfn: test::DynTestFn(Box::new(move || {
                 let report_unused_externs = |uext| {
                     unused_externs.lock().unwrap().push(uext);
                 };
@@ -1042,9 +1042,9 @@ impl Tester for Collector {
                         }
                     }
 
-                    panic::resume_unwind(box ());
+                    panic::resume_unwind(Box::new(()));
                 }
-            }),
+            })),
         });
     }
 
diff --git a/src/librustdoc/fold.rs b/src/librustdoc/fold.rs
@@ -2,7 +2,7 @@ use crate::clean::*;
 
 crate fn strip_item(mut item: Item) -> Item {
     if !matches!(*item.kind, StrippedItem(..)) {
-        item.kind = box StrippedItem(item.kind);
+        item.kind = Box::new(StrippedItem(item.kind));
     }
     item
 }
@@ -65,10 +65,10 @@ crate trait DocFolder: Sized {
 
     /// don't override!
     fn fold_item_recur(&mut self, mut item: Item) -> Item {
-        item.kind = box match *item.kind {
-            StrippedItem(box i) => StrippedItem(box self.fold_inner_recur(i)),
+        item.kind = Box::new(match *item.kind {
+            StrippedItem(box i) => StrippedItem(Box::new(self.fold_inner_recur(i))),
             _ => self.fold_inner_recur(*item.kind),
-        };
+        });
         item
     }
 
diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
@@ -5,7 +5,6 @@
 #![feature(rustc_private)]
 #![feature(array_methods)]
 #![feature(box_patterns)]
-#![feature(box_syntax)]
 #![feature(in_band_lifetimes)]
 #![feature(nll)]
 #![feature(test)]
diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs
@@ -61,7 +61,7 @@ enum ErrorKind<'a> {
 
 impl<'a> From<ResolutionFailure<'a>> for ErrorKind<'a> {
     fn from(err: ResolutionFailure<'a>) -> Self {
-        ErrorKind::Resolve(box err)
+        ErrorKind::Resolve(Box::new(err))
     }
 }
 
diff --git a/src/tools/clippy/clippy_lints/src/booleans.rs b/src/tools/clippy/clippy_lints/src/booleans.rs
@@ -116,7 +116,7 @@ impl<'a, 'tcx, 'v> Hir2Qmm<'a, 'tcx, 'v> {
         // prevent folding of `cfg!` macros and the like
         if !e.span.from_expansion() {
             match &e.kind {
-                ExprKind::Unary(UnOp::Not, inner) => return Ok(Bool::Not(box self.run(inner)?)),
+                ExprKind::Unary(UnOp::Not, inner) => return Ok(Bool::Not(Box::new(self.run(inner)?))),
                 ExprKind::Binary(binop, lhs, rhs) => match &binop.node {
                     BinOpKind::Or => {
                         return Ok(Bool::Or(self.extract(BinOpKind::Or, &[lhs, rhs], Vec::new())?));
diff --git a/src/tools/clippy/clippy_lints/src/doc.rs b/src/tools/clippy/clippy_lints/src/doc.rs
@@ -578,8 +578,8 @@ fn check_code(cx: &LateContext<'_>, text: &str, edition: Edition, span: Span) {
                 let filename = FileName::anon_source_code(&code);
 
                 let sm = Lrc::new(SourceMap::new(FilePathMapping::empty()));
-                let emitter = EmitterWriter::new(box io::sink(), None, false, false, false, None, false);
-                let handler = Handler::with_emitter(false, None, box emitter);
+                let emitter = EmitterWriter::new(Box::new(io::sink()), None, false, false, false, None, false);
+                let handler = Handler::with_emitter(false, None, Box::new(emitter));
                 let sess = ParseSess::with_span_handler(handler, sm);
 
                 let mut parser = match maybe_new_parser_from_source_str(&sess, filename, code) {
diff --git a/src/tools/clippy/clippy_lints/src/lib.rs b/src/tools/clippy/clippy_lints/src/lib.rs

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#![feature(start, box_syntax, core_intrinsics, alloc_prelude, alloc_error_handler)]`
	`1`	`+#![feature(start, core_intrinsics, alloc_prelude, alloc_error_handler)]`
`2`	`2`	`#![no_std]`
`3`	`3`
`4`	`4`	`extern crate alloc;`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#![feature(no_core, lang_items, box_syntax, never_type, linkage, extern_types, thread_local)]`
	`1`	`+#![feature(no_core, lang_items, never_type, linkage, extern_types, thread_local)]`
`2`	`2`	`#![no_core]`
`3`	`3`	`#![allow(dead_code, non_camel_case_types)]`
`4`	`4`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#![feature(start, box_syntax, core_intrinsics, lang_items)]`
	`1`	`+#![feature(start, core_intrinsics, lang_items)]`
`2`	`2`	`#![no_std]`
`3`	`3`
`4`	`4`	`#[cfg_attr(unix, link(name = "c"))]`