[FIR] Introduce deprecated FirExpression.typeRef property for compatibility with Compose

#KT-59855

compiler/fir/raw-fir/psi2fir/tests/org/jetbrains/kotlin/fir/builder/AbstractRawFirBuilderTestCase.kt

@@ -92,6 +92,7 @@ abstract class AbstractRawFirBuilderTestCase : KtParsingTestCase(
         }
         for (property in this::class.memberProperties) {
             if (hasNoAcceptAndTransform(this::class.simpleName, property.name)) continue
+            if (this is FirExpression && property.name == "typeRef") continue
 
             when (val childElement = property.getter.apply { isAccessible = true }.call(this)) {
                 is FirNoReceiverExpression -> continue

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/FirExpression.kt

@@ -32,4 +32,7 @@ abstract class FirExpression : FirPureAbstractElement(), FirStatement {
     abstract override fun replaceAnnotations(newAnnotations: List<FirAnnotation>)
 
     abstract override fun <D> transformAnnotations(transformer: FirTransformer<D>, data: D): FirExpression
+
+    /** DO NOT USE! Only for temporary compatibility with Compose. Will be removed soon. KT-61312*/
+    val typeRef: org.jetbrains.kotlin.fir.types.FirTypeRef get() = coneTypeOrNull?.let { org.jetbrains.kotlin.fir.types.builder.buildResolvedTypeRef { type = it } } ?: org.jetbrains.kotlin.fir.types.impl.FirImplicitTypeRefImplWithoutSource
 }

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/printer/element.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.fir.tree.generator.printer
 
+import org.jetbrains.kotlin.fir.tree.generator.FirTreeBuilder
 import org.jetbrains.kotlin.fir.tree.generator.context.AbstractFirTreeBuilder
 import org.jetbrains.kotlin.fir.tree.generator.model.Element
 import org.jetbrains.kotlin.fir.tree.generator.model.Field
@@ -147,7 +148,14 @@ fun SmartPrinter.printElement(element: Element) {
                 println()
                 println("fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirElement")
             }
+
+            if (element == FirTreeBuilder.expression) {
+                println()
+                println("/** DO NOT USE! Only for temporary compatibility with Compose. Will be removed soon. KT-61312*/")
+                println("val typeRef: org.jetbrains.kotlin.fir.types.FirTypeRef get() = coneTypeOrNull?.let { org.jetbrains.kotlin.fir.types.builder.buildResolvedTypeRef { type = it } } ?: org.jetbrains.kotlin.fir.types.impl.FirImplicitTypeRefImplWithoutSource")
+            }
         }
+
         println("}")
     }
 }