Support dsl highlighting for object references

idea/testData/dslHighlighter/objectAccess.kt

@@ -0,0 +1,49 @@
+package p
+
+import p.D.*
+import p.C.*
+
+@DslMarker
+annotation class A
+
+@DslMarker
+annotation class B
+
+@A
+class C {
+    @A
+    object C1
+
+    @A
+    object C2
+
+    class C3 {
+        @A
+        companion object
+    }
+}
+
+@B
+class D {
+    @B
+    object D1
+
+    class D2 {
+        @B
+        companion object
+    }
+}
+
+fun test() {
+    with(C()) {
+        C1 // 4
+        C2 // 4
+        C3 // 4
+        C3.Companion // 4
+    }
+    with(D()) {
+        D1 // 1
+        D2 // 1
+        D2.Companion // 1
+    }
+}