Merge `DefPathData::VariantCtor` and `DefPathData::StructCtor`

6 files changed, 16 insertions, 28 deletions

diff --git a/src/librustc/hir/map/def_collector.rs b/src/librustc/hir/map/def_collector.rs
index 2c92d907201..1a3bbc5ecc4 100644
--- a/src/librustc/hir/map/def_collector.rs
+++ b/src/librustc/hir/map/def_collector.rs
@@ -160,10 +160,7 @@ impl<'a> visit::Visitor<'a> for DefCollector<'a> {
                 ItemKind::Struct(ref struct_def, _) | ItemKind::Union(ref struct_def, _) => {
                     // If this is a unit or tuple-like struct, register the constructor.
                     if let Some(ctor_hir_id) = struct_def.ctor_id() {
-                        this.create_def(ctor_hir_id,
-                                        DefPathData::StructCtor,
-                                        REGULAR_SPACE,
-                                        i.span);
+                        this.create_def(ctor_hir_id, DefPathData::Ctor, REGULAR_SPACE, i.span);
                     }
                 }
                 _ => {}
@@ -199,10 +196,7 @@ impl<'a> visit::Visitor<'a> for DefCollector<'a> {
                                   v.span);
         self.with_parent(def, |this| {
             if let Some(ctor_hir_id) = v.node.data.ctor_id() {
-                this.create_def(ctor_hir_id,
-                                DefPathData::VariantCtor,
-                                REGULAR_SPACE,
-                                v.span);
+                this.create_def(ctor_hir_id, DefPathData::Ctor, REGULAR_SPACE, v.span);
             }
             visit::walk_variant(this, v, g, item_id)
         });
diff --git a/src/librustc/hir/map/definitions.rs b/src/librustc/hir/map/definitions.rs
index dc23b55c1fc..1006d813e65 100644
--- a/src/librustc/hir/map/definitions.rs
+++ b/src/librustc/hir/map/definitions.rs
@@ -366,10 +366,8 @@ pub enum DefPathData {
     EnumVariant(InternedString),
     /// A struct field
     Field(InternedString),
-    /// Implicit ctor for a unit or tuple-like struct
-    StructCtor,
-    /// Implicit ctor for a unit or tuple-like enum variant
-    VariantCtor,
+    /// Implicit ctor for a unit or tuple-like struct or enum variant.
+    Ctor,
     /// A constant expression (see {ast,hir}::AnonConst).
     AnonConst,
     /// An `impl Trait` type node
@@ -654,8 +652,7 @@ impl DefPathData {
             CrateRoot |
             Misc |
             ClosureExpr |
-            StructCtor |
-            VariantCtor |
+            Ctor |
             AnonConst |
             ImplTrait => None
         }
@@ -686,8 +683,7 @@ impl DefPathData {
             Impl => "{{impl}}",
             Misc => "{{misc}}",
             ClosureExpr => "{{closure}}",
-            StructCtor => "{{struct constructor}}",
-            VariantCtor => "{{variant constructor}}",
+            Ctor => "{{constructor}}",
             AnonConst => "{{constant}}",
             ImplTrait => "{{opaque}}",
         };
diff --git a/src/librustc/ty/instance.rs b/src/librustc/ty/instance.rs
index 84ce826c6a5..f54e69f352a 100644
--- a/src/librustc/ty/instance.rs
+++ b/src/librustc/ty/instance.rs
@@ -150,8 +150,7 @@ impl<'tcx> InstanceDef<'tcx> {
             _ => return true
         };
         match tcx.def_key(def_id).disambiguated_data.data {
-            DefPathData::StructCtor | DefPathData::VariantCtor |
-            DefPathData::ClosureExpr => true,
+            DefPathData::Ctor | DefPathData::ClosureExpr => true,
             _ => false
         }
     }
diff --git a/src/librustc/ty/mod.rs b/src/librustc/ty/mod.rs
index 3ab3ae0c537..880f75ab9dd 100644
--- a/src/librustc/ty/mod.rs
+++ b/src/librustc/ty/mod.rs
@@ -2960,8 +2960,8 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
         } else {
             let def_key = self.def_key(id);
             match def_key.disambiguated_data.data {
-                // The name of a `StructCtor` or `VariantCtor` is that of its parent.
-                hir_map::DefPathData::StructCtor | hir_map::DefPathData::VariantCtor =>
+                // The name of a constructor is that of its parent.
+                hir_map::DefPathData::Ctor =>
                     self.item_name(DefId {
                         krate: id.krate,
                         index: def_key.parent.unwrap()
diff --git a/src/librustc/ty/print/pretty.rs b/src/librustc/ty/print/pretty.rs
index 3d6a2cf9224..c9a4961a8e0 100644
--- a/src/librustc/ty/print/pretty.rs
+++ b/src/librustc/ty/print/pretty.rs
@@ -285,13 +285,13 @@ pub trait PrettyPrinter<'gcx: 'tcx, 'tcx>:
         let mut cur_def_key = self.tcx().def_key(def_id);
         debug!("try_print_visible_def_path: cur_def_key={:?}", cur_def_key);
 
-        // For a UnitStruct or TupleStruct we want the name of its parent rather than <unnamed>.
+        // For a constructor we want the name of its parent rather than <unnamed>.
         match cur_def_key.disambiguated_data.data {
-            DefPathData::StructCtor | DefPathData::VariantCtor => {
+            DefPathData::Ctor => {
                 let parent = DefId {
                     krate: def_id.krate,
                     index: cur_def_key.parent
-                        .expect("DefPathData::StructCtor/VariantData missing a parent"),
+                        .expect("DefPathData::Ctor/VariantData missing a parent"),
                 };
 
                 cur_def_key = self.tcx().def_key(parent);
@@ -864,8 +864,7 @@ impl TyCtxt<'_, '_, '_> {
             DefPathData::AnonConst |
             DefPathData::ConstParam(..) |
             DefPathData::ClosureExpr |
-            DefPathData::VariantCtor |
-            DefPathData::StructCtor => Namespace::ValueNS,
+            DefPathData::Ctor => Namespace::ValueNS,
 
             DefPathData::MacroDef(..) => Namespace::MacroNS,
 
@@ -1029,7 +1028,7 @@ impl<F: fmt::Write> Printer<'gcx, 'tcx> for FmtPrinter<'_, 'gcx, 'tcx, F> {
 
         // Skip `::{{constructor}}` on tuple/unit structs.
         match disambiguated_data.data {
-            DefPathData::StructCtor | DefPathData::VariantCtor => return Ok(self),
+            DefPathData::Ctor => return Ok(self),
             _ => {}
         }
 
diff --git a/src/librustc/ty/util.rs b/src/librustc/ty/util.rs
index 4fb2bfb075c..ccead14e76b 100644
--- a/src/librustc/ty/util.rs
+++ b/src/librustc/ty/util.rs
@@ -549,8 +549,8 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
 
     /// Returns `true` if this `DefId` refers to the implicit constructor for
     /// a tuple struct like `struct Foo(u32)`, and `false` otherwise.
-    pub fn is_struct_constructor(self, def_id: DefId) -> bool {
-        self.def_key(def_id).disambiguated_data.data == DefPathData::StructCtor
+    pub fn is_constructor(self, def_id: DefId) -> bool {
+        self.def_key(def_id).disambiguated_data.data == DefPathData::Ctor
     }
 
     /// Given the `DefId` of a fn or closure, returns the `DefId` of