Smart completion: this expressions added

idea/testData/completion/smart/QualifiedThis.kt

@@ -0,0 +1,7 @@
+class Foo{
+    fun String.foo(){
+        val foo : Foo = <caret>
+    }
+}
+
+// EXIST: { lookupString:"this@Foo", typeText:"Foo" }

idea/testData/completion/smart/QualifiedThisOfAnonymousObject.kt

@@ -0,0 +1,15 @@
+open class Foo
+
+fun foo(f: Foo){}
+
+fun bar() {
+    foo(object: Foo() {
+        inner class Inner {
+            fun f() {
+                val x: Foo = <caret>
+            }
+        }
+    })
+}
+
+// EXIST: this@foo

idea/testData/completion/smart/QualifiedThisOfExtensionFunction.kt

@@ -0,0 +1,9 @@
+class Foo{
+    fun String.foo(){
+        fun Foo.bar(){
+            val s: String = <caret>
+        }
+    }
+}
+
+// EXIST: { lookupString:"this@foo", typeText:"jet.String" }

idea/testData/completion/smart/QualifiedThisOfExtensionLambda1.kt

@@ -0,0 +1,12 @@
+fun accept1(handler: String.() -> Unit){}
+fun accept2(handler: Int.() -> Unit){}
+
+fun foo(){
+    accept1({
+                accept2({
+                            val s: String = <caret>
+                        })
+            })
+}
+
+// EXIST: this@accept1

idea/testData/completion/smart/QualifiedThisOfExtensionLambda2.kt

@@ -0,0 +1,14 @@
+object X {
+    fun accept1(handler: String.() -> Unit){}
+    fun accept2(handler: Int.() -> Unit){}
+}
+
+fun foo(){
+    X.accept1({
+                X.accept2({
+                            val s: String = <caret>
+                        })
+            })
+}
+
+// EXIST: this@accept1

idea/testData/completion/smart/QualifiedThisOfExtensionLambda3.kt

@@ -0,0 +1,12 @@
+fun<T> accept1(handler: String.(t: T) -> Unit){}
+fun accept2(handler: Int.() -> Unit){}
+
+fun foo(){
+    accept1<String>({
+                        accept2({
+                                    val s: String = <caret>
+                                })
+                    })
+}
+
+// EXIST: this@accept1

idea/testData/completion/smart/This.kt

@@ -0,0 +1,5 @@
+fun String.foo(){
+    val s : String = <caret>
+}
+
+// EXIST: { lookupString:"this", typeText:"jet.String" }

idea/testData/completion/smart/This.kt.todo

@@ -1,5 +0,0 @@
-fun String.foo(){
-    val s : String = <caret>
-}
-
-// EXIST: this