[FIR] Refactor: extract class reference expression rendering out of

...`FirRenderer`.

^KT-62559

compiler/fir/tree/src/org/jetbrains/kotlin/fir/renderer/FirGetClassCallRenderer.kt

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * 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.renderer
+
+import org.jetbrains.kotlin.fir.expressions.FirGetClassCall
+
+abstract class FirGetClassCallRenderer {
+    internal lateinit var components: FirRendererComponents
+
+    internal abstract fun render(getClassCall: FirGetClassCall)
+}

compiler/fir/tree/src/org/jetbrains/kotlin/fir/renderer/FirGetClassCallRendererForDebugging.kt

@@ -0,0 +1,16 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * 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.renderer
+
+import org.jetbrains.kotlin.fir.expressions.FirGetClassCall
+
+internal class FirGetClassCallRendererForDebugging : FirGetClassCallRenderer() {
+    override fun render(getClassCall: FirGetClassCall) {
+        components.annotationRenderer?.render(getClassCall)
+        components.printer.print("<getClass>")
+        components.visitor.visitCall(getClassCall)
+    }
+}

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

@@ -47,6 +47,7 @@ class FirRenderer(
     override val resolvedNamedReferenceRenderer: FirResolvedNamedReferenceRenderer = FirResolvedNamedReferenceRendererWithLabel(),
     override val resolvedQualifierRenderer: FirResolvedQualifierRenderer = FirResolvedQualifierRendererWithLabel(),
     private val lineBreakAfterContextReceivers: Boolean = true,
+    override val getClassCallRenderer: FirGetClassCallRenderer = FirGetClassCallRendererForDebugging(),
 ) : FirRendererComponents {
 
     override val visitor = Visitor()
@@ -101,6 +102,7 @@ class FirRenderer(
         fileAnnotationsContainerRenderer?.components = this
         resolvedNamedReferenceRenderer.components = this
         resolvedQualifierRenderer.components = this
+        getClassCallRenderer.components = this
     }
 
     fun renderElementAsString(element: FirElement, trim: Boolean = false): String {
@@ -1114,9 +1116,7 @@ class FirRenderer(
         }
 
         override fun visitGetClassCall(getClassCall: FirGetClassCall) {
-            annotationRenderer?.render(getClassCall)
-            print("<getClass>")
-            visitCall(getClassCall)
+            getClassCallRenderer.render(getClassCall)
         }
 
         override fun visitClassReferenceExpression(classReferenceExpression: FirClassReferenceExpression) {

compiler/fir/tree/src/org/jetbrains/kotlin/fir/renderer/FirRendererComponents.kt

@@ -28,4 +28,5 @@ internal interface FirRendererComponents {
     val fileAnnotationsContainerRenderer: FirFileAnnotationsContainerRenderer?
     val resolvedNamedReferenceRenderer: FirResolvedNamedReferenceRenderer
     val resolvedQualifierRenderer: FirResolvedQualifierRenderer
+    val getClassCallRenderer: FirGetClassCallRenderer
 }