Use information about receivers in completion

- Found few problems during resolving a single functon; disabled
assertions and marked them with TODO
- Add simple completion tests to simplify development

idea/idea-completion/testData/basic/common/primitiveCompletion/classFieldsAndFunctions.kt

@@ -0,0 +1,11 @@
+class A {
+    fun aa() {}
+    val aaa = 10
+
+    fun test() {
+        <caret>
+    }
+}
+
+// EXIST: aa
+// EXIST: aaa

idea/idea-completion/testData/basic/common/primitiveCompletion/classFieldsAndFunctionsExplicitReceiver.kt

@@ -0,0 +1,20 @@
+class B {
+    fun bb() {}
+    val bbb = 20
+}
+
+class A {
+    fun aa() {}
+    val aaa = 10
+
+    fun test() {
+        val b = B()
+
+        b.<caret>
+    }
+}
+
+// EXIST: bb
+// EXIST: bbb
+// ABSENT: aa
+// ABSENT: aaa

idea/idea-completion/testData/basic/common/primitiveCompletion/classFieldsAndFunctionsFromInheritor.kt

@@ -0,0 +1,17 @@
+open class A {
+    fun aa() {}
+    val aaa = 10
+
+    fun test() {
+        <caret>
+    }
+}
+
+class B : A() {
+    fun test() {
+        <caret>
+    }
+}
+
+// EXIST: aa
+// EXIST: aaa

idea/idea-completion/testData/basic/common/primitiveCompletion/classFieldsAndFunctionsFromInnerClass.kt

@@ -0,0 +1,18 @@
+class A {
+    fun aa() {}
+    val aaa = 10
+
+    inner class AA {
+        fun bb() {}
+        val bbb = 20
+
+        fun test() {
+            <caret>
+        }
+    }
+}
+
+// EXIST: aa
+// EXIST: aaa
+// EXIST: bb
+// EXIST: bbb

idea/idea-completion/testData/basic/common/primitiveCompletion/explicitReceiverCompletion.kt

@@ -0,0 +1,13 @@
+class A {
+    fun aa() {}
+    val aaa = 10
+}
+
+fun test() {
+    val a = A()
+
+    a.<caret>
+}
+
+// EXIST: aa
+// EXIST: aaa

idea/idea-completion/testData/basic/common/primitiveCompletion/extensionPropertyAndFunctionExplicitReceiver.kt

@@ -0,0 +1,21 @@
+fun Any.anyFun() {}
+val Any.anyVal: Int get() = 10
+
+class A
+fun A.aFun() {}
+val A.aVal: Int get() = 10
+
+class B
+fun B.bFun() {}
+val B.bVal: Int get() = 10
+
+fun test(a: A) {
+    a.<caret>
+}
+
+// EXIST: anyFun
+// EXIST: anyVal
+// EXIST: aVal
+// EXIST: aFun
+// ABSENT: bVal
+// ABSENT: bFun

idea/idea-completion/testData/basic/common/primitiveCompletion/genericExtensionPropertyAndFunctionExplicitReceiver.kt

@@ -0,0 +1,23 @@
+fun <T : Any> T.anyFun() {}
+val <T : Any> T.anyVal: Int get() = 10
+
+open class A
+fun <T : A> T.aFun() {}
+val <T : A> T.aVal: Int get() = 10
+
+open class B
+
+fun <T : B> T.bFun() {}
+val <T : B> T.bVal: Int get() = 10
+
+fun test(a: A) {
+    a.aFun()
+    a.<caret>
+}
+
+// EXIST: anyFun
+// EXIST: anyVal
+// EXIST: aVal
+// EXIST: aFun
+// ABSENT: bVal
+// ABSENT: bFun

idea/idea-completion/testData/basic/common/primitiveCompletion/implicitReceiverCompletion.kt

@@ -0,0 +1,24 @@
+class A {
+    fun aa() {}
+    val aaa = 10
+}
+
+fun A.run(action: A.() -> Unit) {}
+
+fun test(a: A) {
+    a.run {
+
+        <caret>
+
+        // remove this
+        Unit
+    }
+}
+
+// this does not work for some reason
+//fun A.test() {
+//}
+
+// EXIST: aa
+// EXIST: aaa
+// EXIST: run

idea/idea-completion/testData/basic/common/primitiveCompletion/localVariablesAndFunctions.kt

@@ -0,0 +1,9 @@
+fun test() {
+    fun aa() {}
+    val aaa = 10
+
+    <caret>
+}
+
+// EXIST: aa
+// EXIST: aaa

idea/idea-completion/testData/basic/common/primitiveCompletion/localVariablesAndFunctionsFromNestedScope.kt

@@ -0,0 +1,20 @@
+fun run(action: () -> Unit) = action()
+
+fun test() {
+    fun aa() {}
+    val aaa = 10
+
+    run {
+        fun aabb() {}
+        val aaabb = 20
+
+        <caret>
+
+        Unit // remove this
+    }
+}
+
+// EXIST: aa
+// EXIST: aaa
+// EXIST: aabb
+// EXIST: aaabb

idea/idea-completion/testData/basic/common/primitiveCompletion/topLevelVariablesAndFunctions.kt

@@ -0,0 +1,9 @@
+fun aa() {}
+val aaa = 10
+
+fun test() {
+    <caret>
+}
+
+// EXIST: aa
+// EXIST: aaa

idea/idea-completion/testData/basic/common/primitiveCompletion/twoReceivers.kt

@@ -0,0 +1,11 @@
+class A
+
+class OuterClass {
+    fun A.innerExt() {}
+
+    fun test(a: A) {
+        a.<caret>
+    }
+}
+
+// EXIST: innerExt