From 5d38be773a2083fa2112f5cb688070b867634120 Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Fri, 10 Jan 2014 03:41:49 +0100
Subject: Mover termRef/typeRef and friends up to Denotation.

Needed for implicit search, because some implicits might be UniqueRefs, not SymDenotations
---
 src/dotty/tools/dotc/core/Denotations.scala    | 30 ++++++++++++++++++++++++++
 src/dotty/tools/dotc/core/SymDenotations.scala | 24 ++++-----------------
 src/dotty/tools/dotc/core/Types.scala          |  2 +-
 3 files changed, 35 insertions(+), 21 deletions(-)

(limited to 'src/dotty')

diff --git a/src/dotty/tools/dotc/core/Denotations.scala b/src/dotty/tools/dotc/core/Denotations.scala
index f2df71627..e6d5023e5 100644
--- a/src/dotty/tools/dotc/core/Denotations.scala
+++ b/src/dotty/tools/dotc/core/Denotations.scala
@@ -392,6 +392,36 @@ object Denotations {
     def atSignature(sig: Signature)(implicit ctx: Context): SingleDenotation =
       if (sig matches signature) this else NoDenotation
 
+    // ------ Forming types -------------------------------------------
+
+    /** The TypeRef representing this type denotation at its original location. */
+    def typeRef(implicit ctx: Context): TypeRef =
+      TypeRef(symbol.owner.thisType, symbol.name.asTypeName, this)
+
+    /** The TermRef representing this term denotation at its original location. */
+    def termRef(implicit ctx: Context): TermRef =
+      TermRef(symbol.owner.thisType, symbol.name.asTermName, this)
+
+    /** The TermRef representing this term denotation at its original location
+     *  and at signature `NotAMethod`.
+     */
+    def valRef(implicit ctx: Context): TermRef =
+      TermRef.withSig(symbol.owner.thisType, symbol.name.asTermName, Signature.NotAMethod, this)
+
+    /** The TermRef representing this term denotation at its original location
+     *  at the denotation's signature.
+     *  @note  Unlike `valRef` and `termRef`, this will force the completion of the
+     *         denotation via a call to `info`.
+     */
+    def termRefWithSig(implicit ctx: Context): TermRef =
+      TermRef.withSig(symbol.owner.thisType, symbol.name.asTermName, signature, this)
+
+    /** The NamedType representing this denotation at its original location.
+     *  Same as either `typeRef` or `termRefWithSig` depending whether this denotes a type or not.
+     */
+    def namedType(implicit ctx: Context): NamedType =
+      if (isType) typeRef else termRefWithSig
+
     // ------ Transformations -----------------------------------------
 
     private[this] var myValidFor: Period = Nowhere
diff --git a/src/dotty/tools/dotc/core/SymDenotations.scala b/src/dotty/tools/dotc/core/SymDenotations.scala
index 1904fdbb5..58f148ba5 100644
--- a/src/dotty/tools/dotc/core/SymDenotations.scala
+++ b/src/dotty/tools/dotc/core/SymDenotations.scala
@@ -654,34 +654,18 @@ object SymDenotations {
     /** The type This(cls), where cls is this class, NoPrefix for all other symbols */
     def thisType(implicit ctx: Context): Type = NoPrefix
 
-    /** The TypeRef representing this type denotation at its original location. */
-    def typeRef(implicit ctx: Context): TypeRef =
+    override def typeRef(implicit ctx: Context): TypeRef =
       TypeRef(owner.thisType, name.asTypeName, this)
 
-    /** The TermRef representing this term denotation at its original location. */
-    def termRef(implicit ctx: Context): TermRef =
+    override def termRef(implicit ctx: Context): TermRef =
       TermRef(owner.thisType, name.asTermName, this)
 
-    /** The TermRef representing this term denotation at its original location
-     *  and at signature `NotAMethod`.
-     */
-    def valRef(implicit ctx: Context): TermRef =
+    override def valRef(implicit ctx: Context): TermRef =
       TermRef.withSig(owner.thisType, name.asTermName, Signature.NotAMethod, this)
 
-    /** The TermRef representing this term denotation at its original location
-     *  at the denotation's signature.
-     *  @note  Unlike `valRef` and `termRef`, this will force the completion of the
-     *         denotation via a call to `info`.
-     */
-    def termRefWithSig(implicit ctx: Context): TermRef =
+    override def termRefWithSig(implicit ctx: Context): TermRef =
       TermRef.withSig(owner.thisType, name.asTermName, signature, this)
 
-	/** The NamedType representing this denotation at its original location.
-	 *  Same as either `typeRef` or `termRefWithSig` depending whether this denotes a type or not.
-	 */
-    def namedType(implicit ctx: Context): NamedType =
-      if (isType) typeRef else termRefWithSig
-
     /** The variance of this type parameter or type member as an Int, with
      *  +1 = Covariant, -1 = Contravariant, 0 = Nonvariant, or not a type parameter
      */
diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala
index ffc7573b9..e1e3e9c97 100644
--- a/src/dotty/tools/dotc/core/Types.scala
+++ b/src/dotty/tools/dotc/core/Types.scala
@@ -448,7 +448,7 @@ object Types {
     final def implicitMembers(implicit ctx: Context): List[TermRef] = track("implicitMembers") {
       memberDenots(implicitFilter,
           (name, buf) => buf ++= member(name).altsWith(_ is Implicit))
-        .toList.map(_.asInstanceOf[SymDenotation].termRefWithSig)
+        .toList.map(_.termRefWithSig)
     }
 
     /** The info of `sym`, seen as a member of this type. */
-- 
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