FIR IDE: add completion support to classes and to type aliases

idea/idea-completion/testData/basic/common/ExtendClassName.kt

@@ -11,3 +11,4 @@ class A() : My<caret> {
 }
 
 // EXIST: MySecondClass, MyFirstClass
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/InObjectInDelegationSpecifier.kt

@@ -8,4 +8,5 @@ class ChromePageManager(): PageManager(object : Runnable {
 }) {
 }
 
-// EXIST: Tab
+// EXIST: Tab
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/InTypeAnnotation.kt

@@ -11,4 +11,5 @@ public class Test : String<caret> {
 
 // EXIST: StringMy
 // EXIST: String
-// ABSENT: StringMethod
+// ABSENT: StringMethod
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/inInitBlock/localVariable.kt

@@ -0,0 +1,7 @@
+class X {
+    init {
+        val y = 1
+        <caret>
+    }
+}
+// EXIST: y

idea/idea-completion/testData/basic/common/inInitBlock/property.kt

@@ -0,0 +1,9 @@
+class X {
+    val x: Int = 10
+
+    init {
+        <caret>
+    }
+}
+// EXIST: x
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/inSuperTypes/baseClass.kt

@@ -0,0 +1,5 @@
+open class Base
+class A : <caret>
+
+// EXIST: Base
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/inSuperTypes/baseClassWithPrefix.kt

@@ -0,0 +1,5 @@
+open class Base
+class A : B<caret>
+
+// EXIST: Base
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/inSuperTypes/typeParameter.kt

@@ -0,0 +1,5 @@
+open class Base<T>
+class A<U> : Base<<caret>>
+
+// EXIST: U
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/inTypeAlias/member.kt

@@ -0,0 +1,8 @@
+class X {
+    typealias Y = <caret>
+}
+
+class Z
+
+// EXIST: Z
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/inTypeAlias/topLevel.kt

@@ -0,0 +1,5 @@
+typealias Y = <caret>
+class Z
+
+// EXIST: Z
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/primaryConstructor/parameterDefaultValue.kt

@@ -0,0 +1,6 @@
+val y = 10
+
+class X(val x: Int = <caret>)
+
+// EXIST: y
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/primaryConstructor/previousParameter.kt

@@ -0,0 +1,4 @@
+class X(val y: Int, val x: Int = <caret>)
+
+// EXIST: y
+// FIR_COMPARISON

idea/idea-completion/testData/basic/common/primaryConstructor/propertyType.kt

@@ -0,0 +1,6 @@
+class Y
+
+class X(val x: <caret>)
+
+// EXIST: Y
+// FIR_COMPARISON