From 7ec0064409f90334f6b0dd61e572a65702702985 Mon Sep 17 00:00:00 2001
From: vsrs <vit@conrlab.com>
Date: Thu, 11 Jun 2020 14:41:42 +0300
Subject: Remove AdtOrTrait

---
 crates/ra_hir/src/code_model.rs | 51 ++++++++++++++++++-----------------------
 crates/ra_hir/src/lib.rs        |  8 +++----
 2 files changed, 26 insertions(+), 33 deletions(-)

(limited to 'crates/ra_hir/src')

diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 64b9a4cc3..5137a16e6 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -186,6 +186,22 @@ impl ModuleDef {
 
         module.visibility_of(db, self)
     }
+
+    pub fn name(self, db: &dyn HirDatabase) -> Option<Name> {
+        match self {
+            ModuleDef::Adt(it) => Some(it.name(db)),
+            ModuleDef::Trait(it) => Some(it.name(db)),
+            ModuleDef::Function(it) => Some(it.name(db)),
+            ModuleDef::EnumVariant(it) => Some(it.name(db)),
+            ModuleDef::TypeAlias(it) => Some(it.name(db)),
+
+            ModuleDef::Module(it) => it.name(db),
+            ModuleDef::Const(it) => it.name(db),
+            ModuleDef::Static(it) => it.name(db),
+
+            ModuleDef::BuiltinType(it) => Some(it.as_name()),
+        }
+    }
 }
 
 pub use hir_def::{
@@ -1382,8 +1398,8 @@ impl Type {
     }
 
     /// Returns a flattened list of all ADTs and Traits mentioned in the type
-    pub fn flattened_type_items(&self, db: &dyn HirDatabase) -> Vec<AdtOrTrait> {
-        fn push_new_item(item: AdtOrTrait, acc: &mut Vec<AdtOrTrait>) {
+    pub fn flattened_type_items(&self, db: &dyn HirDatabase) -> Vec<ModuleDef> {
+        fn push_new_item(item: ModuleDef, acc: &mut Vec<ModuleDef>) {
             if !acc.contains(&item) {
                 acc.push(item);
             }
@@ -1392,7 +1408,7 @@ impl Type {
         fn push_bounds(
             db: &dyn HirDatabase,
             predicates: &[GenericPredicate],
-            acc: &mut Vec<AdtOrTrait>,
+            acc: &mut Vec<ModuleDef>,
         ) {
             for p in predicates.iter() {
                 match p {
@@ -1407,13 +1423,13 @@ impl Type {
         }
 
         // TypeWalk::walk does not preserve items order!
-        fn walk_substs(db: &dyn HirDatabase, substs: &Substs, acc: &mut Vec<AdtOrTrait>) {
+        fn walk_substs(db: &dyn HirDatabase, substs: &Substs, acc: &mut Vec<ModuleDef>) {
             for ty in substs.iter() {
                 walk_type(db, ty, acc);
             }
         }
 
-        fn walk_type(db: &dyn HirDatabase, ty: &Ty, acc: &mut Vec<AdtOrTrait>) {
+        fn walk_type(db: &dyn HirDatabase, ty: &Ty, acc: &mut Vec<ModuleDef>) {
             match ty.strip_references() {
                 Ty::Apply(ApplicationTy { ctor, parameters, .. }) => {
                     match ctor {
@@ -1468,7 +1484,7 @@ impl Type {
             }
         }
 
-        let mut res: Vec<AdtOrTrait> = Vec::new(); // not a Set to preserve the order
+        let mut res: Vec<ModuleDef> = Vec::new(); // not a Set to preserve the order
         walk_type(db, &self.ty.value, &mut res);
         res
     }
@@ -1580,26 +1596,3 @@ pub trait HasVisibility {
         vis.is_visible_from(db.upcast(), module.id)
     }
 }
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
-pub enum AdtOrTrait {
-    Adt(Adt),
-    Trait(Trait),
-}
-impl_froms!(AdtOrTrait: Adt, Trait);
-
-impl AdtOrTrait {
-    pub fn module(self, db: &dyn HirDatabase) -> Module {
-        match self {
-            AdtOrTrait::Adt(adt) => adt.module(db),
-            AdtOrTrait::Trait(trait_) => trait_.module(db),
-        }
-    }
-
-    pub fn name(self, db: &dyn HirDatabase) -> Name {
-        match self {
-            AdtOrTrait::Adt(adt) => adt.name(db),
-            AdtOrTrait::Trait(trait_) => trait_.name(db),
-        }
-    }
-}
diff --git a/crates/ra_hir/src/lib.rs b/crates/ra_hir/src/lib.rs
index eded039e4..3364a822f 100644
--- a/crates/ra_hir/src/lib.rs
+++ b/crates/ra_hir/src/lib.rs
@@ -51,10 +51,10 @@ mod has_source;
 
 pub use crate::{
     code_model::{
-        Adt, AdtOrTrait, AsAssocItem, AssocItem, AssocItemContainer, AttrDef, Const, Crate,
-        CrateDependency, DefWithBody, Docs, Enum, EnumVariant, Field, FieldSource, Function,
-        GenericDef, HasAttrs, HasVisibility, ImplDef, Local, MacroDef, Module, ModuleDef, ScopeDef,
-        Static, Struct, Trait, Type, TypeAlias, TypeParam, Union, VariantDef, Visibility,
+        Adt, AsAssocItem, AssocItem, AssocItemContainer, AttrDef, Const, Crate, CrateDependency,
+        DefWithBody, Docs, Enum, EnumVariant, Field, FieldSource, Function, GenericDef, HasAttrs,
+        HasVisibility, ImplDef, Local, MacroDef, Module, ModuleDef, ScopeDef, Static, Struct,
+        Trait, Type, TypeAlias, TypeParam, Union, VariantDef, Visibility,
     },
     has_source::HasSource,
     semantics::{original_range, PathResolution, Semantics, SemanticsScope},
-- 
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