From a67b04079716812004b0d44ad65d48c508cf7d9e Mon Sep 17 00:00:00 2001
From: Jason Zaugg <jzaugg@gmail.com>
Date: Thu, 3 Sep 2015 12:38:54 +1000
Subject: Add the prefix the autocompletion results (Scope-, TypeMember)

This makes life easier for clients of these APIs, we use this
to avoid passing this around in the wrapper result `TypeMembers`.
---
 .../scala/tools/nsc/interactive/CompilerControl.scala         |  8 +++++++-
 src/interactive/scala/tools/nsc/interactive/Global.scala      | 11 +++++++----
 2 files changed, 14 insertions(+), 5 deletions(-)

(limited to 'src/interactive')

diff --git a/src/interactive/scala/tools/nsc/interactive/CompilerControl.scala b/src/interactive/scala/tools/nsc/interactive/CompilerControl.scala
index fc6403afa3..586f011429 100644
--- a/src/interactive/scala/tools/nsc/interactive/CompilerControl.scala
+++ b/src/interactive/scala/tools/nsc/interactive/CompilerControl.scala
@@ -268,6 +268,7 @@ trait CompilerControl { self: Global =>
   /** Info given for every member found by completion
    */
   abstract class Member {
+    def prefix: Type
     val sym: Symbol
     val tpe: Type
     val accessible: Boolean
@@ -289,6 +290,8 @@ trait CompilerControl { self: Global =>
     accessible: Boolean,
     inherited: Boolean,
     viaView: Symbol) extends Member {
+    // should be a case class parameter, but added as a var instead to preserve compatibility with the IDE
+    var prefix: Type = NoType
     override def implicitlyAdded = viaView != NoSymbol
   }
 
@@ -296,7 +299,10 @@ trait CompilerControl { self: Global =>
     sym: Symbol,
     tpe: Type,
     accessible: Boolean,
-    viaImport: Tree) extends Member
+    viaImport: Tree) extends Member {
+    // should be a case class parameter, but added as a var instead to preserve compatibility with the IDE
+    var prefix: Type = NoType
+  }
 
   // items that get sent to scheduler
 
diff --git a/src/interactive/scala/tools/nsc/interactive/Global.scala b/src/interactive/scala/tools/nsc/interactive/Global.scala
index d5caf28991..b9d06b3633 100644
--- a/src/interactive/scala/tools/nsc/interactive/Global.scala
+++ b/src/interactive/scala/tools/nsc/interactive/Global.scala
@@ -1031,10 +1031,12 @@ class Global(settings: Settings, _reporter: Reporter, projectName: String = "")
     def addScopeMember(sym: Symbol, pre: Type, viaImport: Tree) =
       locals.add(sym, pre, implicitlyAdded = false) { (s, st) =>
         // imported val and var are always marked as inaccessible, but they could be accessed through their getters. SI-7995
-        if (s.hasGetter)
+        val member = if (s.hasGetter)
           new ScopeMember(s, st, context.isAccessible(s.getter, pre, superAccess = false), viaImport)
         else
           new ScopeMember(s, st, context.isAccessible(s, pre, superAccess = false), viaImport)
+        member.prefix = pre
+        member
       }
     def localsToEnclosing() = {
       enclosing.addNonShadowed(locals)
@@ -1101,10 +1103,13 @@ class Global(settings: Settings, _reporter: Reporter, projectName: String = "")
     def addTypeMember(sym: Symbol, pre: Type, inherited: Boolean, viaView: Symbol) = {
       val implicitlyAdded = viaView != NoSymbol
       members.add(sym, pre, implicitlyAdded) { (s, st) =>
-        new TypeMember(s, st,
+        val result = new TypeMember(s, st,
           context.isAccessible(if (s.hasGetter) s.getter(s.owner) else s, pre, superAccess && !implicitlyAdded),
           inherited,
           viaView)
+        result.prefix = pre
+        result
+
       }
     }
 
@@ -1157,7 +1162,6 @@ class Global(settings: Settings, _reporter: Reporter, projectName: String = "")
     def matchingResults(matcher: (M, Name) => Boolean = CompletionResult.prefixMatcher): List[M] = {
       results filter (r => matcher(r, name))
     }
-    def qualifierType: Type = NoType
   }
   object CompletionResult {
     final case class ScopeMembers(positionDelta: Int, results: List[ScopeMember], name: Name) extends CompletionResult {
@@ -1165,7 +1169,6 @@ class Global(settings: Settings, _reporter: Reporter, projectName: String = "")
     }
     final case class TypeMembers(positionDelta: Int, qualifier: Tree, tree: Tree, results: List[TypeMember], name: Name) extends CompletionResult {
       type M = TypeMember
-      override def qualifierType: Type = qualifier.tpe
     }
     case object NoResults extends CompletionResult {
       override def results = Nil
-- 
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