From 739babc39188c93eda82ce16a24680bbf2463fa1 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Mon, 4 Nov 2019 23:02:35 +0300
Subject: Move Namespace enum closer to usage

---
 crates/ra_hir/src/ty/infer/expr.rs   |  6 +++---
 crates/ra_hir/src/ty/infer/path.rs   |  4 ++--
 crates/ra_hir/src/ty/lower.rs        | 15 +++++++++++++--
 crates/ra_hir/src/ty/traits/chalk.rs |  7 +++++--
 4 files changed, 23 insertions(+), 9 deletions(-)

(limited to 'crates/ra_hir/src/ty')

diff --git a/crates/ra_hir/src/ty/infer/expr.rs b/crates/ra_hir/src/ty/infer/expr.rs
index a09ef5c5d..4af1d65ee 100644
--- a/crates/ra_hir/src/ty/infer/expr.rs
+++ b/crates/ra_hir/src/ty/infer/expr.rs
@@ -12,10 +12,10 @@ use crate::{
     expr::{self, Array, BinaryOp, Expr, ExprId, Literal, Statement, UnaryOp},
     generics::{GenericParams, HasGenericParams},
     ty::{
-        autoderef, method_resolution, op, primitive, CallableDef, InferTy, Mutability, Obligation,
-        ProjectionPredicate, ProjectionTy, Substs, TraitRef, Ty, TypeCtor, TypeWalk,
+        autoderef, method_resolution, op, primitive, CallableDef, InferTy, Mutability, Namespace,
+        Obligation, ProjectionPredicate, ProjectionTy, Substs, TraitRef, Ty, TypeCtor, TypeWalk,
     },
-    Adt, Name, Namespace,
+    Adt, Name,
 };
 
 impl<'a, D: HirDatabase> InferenceContext<'a, D> {
diff --git a/crates/ra_hir/src/ty/infer/path.rs b/crates/ra_hir/src/ty/infer/path.rs
index 59b7f7eb6..865ced5a1 100644
--- a/crates/ra_hir/src/ty/infer/path.rs
+++ b/crates/ra_hir/src/ty/infer/path.rs
@@ -6,8 +6,8 @@ use super::{ExprOrPatId, InferenceContext, TraitRef};
 use crate::{
     db::HirDatabase,
     resolve::{ResolveValueResult, Resolver, TypeNs, ValueNs},
-    ty::{method_resolution, Substs, Ty, TypableDef, TypeWalk},
-    AssocItem, Container, HasGenericParams, Name, Namespace, Path,
+    ty::{method_resolution, Namespace, Substs, Ty, TypableDef, TypeWalk},
+    AssocItem, Container, HasGenericParams, Name, Path,
 };
 
 impl<'a, D: HirDatabase> InferenceContext<'a, D> {
diff --git a/crates/ra_hir/src/ty/lower.rs b/crates/ra_hir/src/ty/lower.rs
index e29ab8492..d26b16cb2 100644
--- a/crates/ra_hir/src/ty/lower.rs
+++ b/crates/ra_hir/src/ty/lower.rs
@@ -29,10 +29,21 @@ use crate::{
         Adt,
     },
     util::make_mut_slice,
-    Const, Enum, EnumVariant, Function, ModuleDef, Namespace, Path, Static, Struct, StructField,
-    Trait, TypeAlias, Union,
+    Const, Enum, EnumVariant, Function, ModuleDef, Path, Static, Struct, StructField, Trait,
+    TypeAlias, Union,
 };
 
+// FIXME: this is only really used in `type_for_def`, which contains a bunch of
+// impossible cases. Perhaps we should recombine `TypeableDef` and `Namespace`
+// into a `AsTypeDef`, `AsValueDef` enums?
+#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub enum Namespace {
+    Types,
+    Values,
+    // Note that only type inference uses this enum, and it doesn't care about macros.
+    // Macro,
+}
+
 impl Ty {
     pub(crate) fn from_hir(db: &impl HirDatabase, resolver: &Resolver, type_ref: &TypeRef) -> Self {
         match type_ref {
diff --git a/crates/ra_hir/src/ty/traits/chalk.rs b/crates/ra_hir/src/ty/traits/chalk.rs
index 39ef92182..c694952f3 100644
--- a/crates/ra_hir/src/ty/traits/chalk.rs
+++ b/crates/ra_hir/src/ty/traits/chalk.rs
@@ -18,7 +18,10 @@ use crate::{
     db::HirDatabase,
     generics::GenericDef,
     ty::display::HirDisplay,
-    ty::{ApplicationTy, GenericPredicate, ProjectionTy, Substs, TraitRef, Ty, TypeCtor, TypeWalk},
+    ty::{
+        ApplicationTy, GenericPredicate, Namespace, ProjectionTy, Substs, TraitRef, Ty, TypeCtor,
+        TypeWalk,
+    },
     AssocItem, Crate, HasGenericParams, ImplBlock, Trait, TypeAlias,
 };
 
@@ -652,7 +655,7 @@ fn impl_block_datum(
         })
         .filter_map(|t| {
             let assoc_ty = trait_.associated_type_by_name(db, &t.name(db))?;
-            let ty = db.type_for_def(t.into(), crate::Namespace::Types).subst(&bound_vars);
+            let ty = db.type_for_def(t.into(), Namespace::Types).subst(&bound_vars);
             Some(chalk_rust_ir::AssociatedTyValue {
                 impl_id,
                 associated_ty_id: assoc_ty.to_chalk(db),
-- 
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