FIR: support (partially) type annotations in JVM deserialized

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/deserialization/JvmBinaryAnnotationDeserializer.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-2019 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.java.deserialization
+
+import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.deserialization.AbstractAnnotationDeserializer
+import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
+import org.jetbrains.kotlin.metadata.ProtoBuf
+import org.jetbrains.kotlin.metadata.jvm.JvmProtoBuf
+import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmNameResolver
+
+class JvmBinaryAnnotationDeserializer(
+    session: FirSession, nameResolver: JvmNameResolver
+) : AbstractAnnotationDeserializer(session, nameResolver) {
+    override fun loadTypeAnnotations(typeProto: ProtoBuf.Type): List<FirAnnotationCall> {
+        val annotations = typeProto.getExtension(JvmProtoBuf.typeAnnotation).orEmpty()
+        return annotations.map { deserializeAnnotation(it) }
+    }
+}

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/deserialization/KotlinDeserializedJvmSymbolsProvider.kt

@@ -100,7 +100,10 @@ class KotlinDeserializedJvmSymbolsProvider(
 
             PackagePartsCacheData(
                 packageProto,
-                FirDeserializationContext.createForPackage(packageFqName, packageProto, nameResolver, session)
+                FirDeserializationContext.createForPackage(
+                    packageFqName, packageProto, nameResolver, session,
+                    JvmBinaryAnnotationDeserializer(session, nameResolver)
+                )
             )
         }
     }
@@ -272,7 +275,6 @@ class KotlinDeserializedJvmSymbolsProvider(
         return loadAnnotation(annotationClassId, result)
     }
 
-
     private fun findAndDeserializeClass(
         classId: ClassId,
         parentContext: FirDeserializationContext? = null
@@ -299,7 +301,11 @@ class KotlinDeserializedJvmSymbolsProvider(
 
                 val symbol = FirClassSymbol(classId)
                 deserializeClassToSymbol(
-                    classId, classProto, symbol, nameResolver, session, parentContext,
+                    classId, classProto, symbol, nameResolver, session,
+                    parentContext ?: FirDeserializationContext.createForClass(
+                        classId, classProto, nameResolver, session,
+                        JvmBinaryAnnotationDeserializer(session, nameResolver)
+                    ),
                     this::findAndDeserializeClass
                 )
                 val annotations = mutableListOf<FirAnnotationCall>()