FIR: add implicit primary constructors, add delegated types to them

So #KT-24088 In Progress

compiler/fir/tree/src/org/jetbrains/kotlin/fir/FirRenderer.kt

@@ -14,7 +14,7 @@ import org.jetbrains.kotlin.fir.symbols.ConeClassLikeSymbol
 import org.jetbrains.kotlin.fir.symbols.ConeSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirTypeParameterSymbol
 import org.jetbrains.kotlin.fir.types.*
-import org.jetbrains.kotlin.fir.types.impl.FirImplicitUnitType
+import org.jetbrains.kotlin.fir.types.impl.FirImplicitBuiltinType
 import org.jetbrains.kotlin.fir.visitors.FirVisitorVoid
 import org.jetbrains.kotlin.name.SpecialNames
 import org.jetbrains.kotlin.types.Variance
@@ -387,10 +387,12 @@ class FirRenderer(builder: StringBuilder) : FirVisitorVoid() {
 
     override fun visitDelegatedConstructorCall(delegatedConstructorCall: FirDelegatedConstructorCall) {
         if (delegatedConstructorCall.isSuper) {
-            print(": super")
+            print(": super<")
         } else if (delegatedConstructorCall.isThis) {
-            print(": this")
+            print(": this<")
         }
+        delegatedConstructorCall.constructedType.accept(this)
+        print(">")
         visitCall(delegatedConstructorCall)
     }
 
@@ -411,7 +413,7 @@ class FirRenderer(builder: StringBuilder) : FirVisitorVoid() {
     }
 
     override fun visitImplicitType(implicitType: FirImplicitType) {
-        print(if (implicitType is FirImplicitUnitType) "kotlin.Unit" else "<implicit>")
+        print(if (implicitType is FirImplicitBuiltinType) "kotlin.${implicitType.name}" else "<implicit>")
     }
 
     override fun visitTypeWithNullability(typeWithNullability: FirTypeWithNullability) {

compiler/fir/tree/src/org/jetbrains/kotlin/fir/types/impl/FirImplicitBuiltinType.kt

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.types.impl
+
+import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
+import org.jetbrains.kotlin.fir.types.FirImplicitType
+import org.jetbrains.kotlin.name.FqNameUnsafe
+import org.jetbrains.kotlin.name.Name
+
+sealed class FirImplicitBuiltinType(
+    override val session: FirSession,
+    override val psi: PsiElement?,
+    val name: Name
+) : FirImplicitType {
+    override val annotations: List<FirAnnotationCall>
+        get() = emptyList()
+
+    constructor(session: FirSession, psi: PsiElement?, name: FqNameUnsafe) : this(session, psi, name.shortName())
+}
+
+class FirImplicitUnitType(
+    session: FirSession,
+    psi: PsiElement?
+) : FirImplicitBuiltinType(session, psi, KotlinBuiltIns.FQ_NAMES.unit)
+
+class FirImplicitAnyType(
+    session: FirSession,
+    psi: PsiElement?
+) : FirImplicitBuiltinType(session, psi, KotlinBuiltIns.FQ_NAMES.any)
+
+class FirImplicitEnumType(
+    session: FirSession,
+    psi: PsiElement?
+) : FirImplicitBuiltinType(session, psi, KotlinBuiltIns.FQ_NAMES._enum)

compiler/fir/tree/src/org/jetbrains/kotlin/fir/types/impl/FirImplicitUnitType.kt

@@ -1,19 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.fir.types.impl
-
-import com.intellij.psi.PsiElement
-import org.jetbrains.kotlin.fir.FirSession
-import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
-import org.jetbrains.kotlin.fir.types.FirImplicitType
-
-class FirImplicitUnitType(
-    override val session: FirSession,
-    override val psi: PsiElement?
-) : FirImplicitType {
-    override val annotations: List<FirAnnotationCall>
-        get() = emptyList()
-}