Completion and import popup for bound callable references

idea/idea-completion/testData/basic/common/callableReference/ExpressionQualifier.kt

@@ -0,0 +1,78 @@
+abstract class A {
+    abstract fun memberFunInA()
+    abstract val memberValInA: Int
+
+    inner class InnerInA
+    class NestedInA
+}
+
+abstract class B : A() {
+    abstract fun memberFunInB()
+    abstract val memberValInB: Int
+
+    inner class InnerInB
+    class NestedInB
+}
+
+fun A.extensionFun(){}
+
+val A.extensionVal: Int
+    get() = 1
+
+fun B.extensionFunForB(){}
+
+fun Any.anyExtensionFun(){}
+fun String.wrongExtensionFun(){}
+
+fun globalFun(p: Int) {}
+val globalVal = 1
+
+class C {
+    fun memberFun(){}
+
+    val memberVal = 1
+
+    fun A.memberExtensionFun(){}
+
+    fun foo(a: A) {
+        fun localFun(){}
+
+        if (a is B) {
+            val v = a::<caret>
+        }
+    }
+
+    companion object {
+        fun companionObjectFun(){}
+
+        fun A.companionExtension(){}
+    }
+}
+
+// ABSENT: class
+// ABSENT: class.java
+// EXIST: { itemText: "memberFunInA", attributes: "" }
+// EXIST: { itemText: "memberValInA", attributes: "" }
+
+/*TODO!*/
+// ABSENT: { itemText: "InnerInA", attributes: "" }
+
+// ABSENT: NestedInA
+// EXIST: { itemText: "extensionFun", attributes: "" }
+// EXIST: { itemText: "extensionVal", attributes: "" }
+// EXIST: { itemText: "anyExtensionFun", attributes: "" }
+// ABSENT: wrongExtensionFun
+// ABSENT: globalFun
+// ABSENT: globalVal
+// ABSENT: memberFun
+// ABSENT: memberVal
+// ABSENT: memberExtensionFun
+// ABSENT: localFun
+// ABSENT: companionObjectFun
+// ABSENT: companionExtension
+
+// EXIST: { itemText: "memberFunInB", attributes: "bold" }
+// EXIST: { itemText: "memberValInB", attributes: "bold" }
+// EXIST: { itemText: "InnerInB", attributes: "bold" }
+// ABSENT: NestedInB
+// EXIST: { itemText: "extensionFunForB", attributes: "bold" }

idea/idea-completion/testData/basic/common/callableReference/SyntheticExtensions2.kt

@@ -0,0 +1,10 @@
+import java.io.File
+
+fun f(file: File) {
+    val v = file::<caret>
+}
+
+// EXIST_JAVA_ONLY: { itemText: "getFreeSpace", tailText: "()", attributes: "bold" }
+// ABSENT: freeSpace
+// EXIST_JAVA_ONLY: { itemText: "isFile", tailText: "()", attributes: "bold" }
+// ABSENT: { itemText: "isFile", tailText: " (from isFile())" }