FIR: Introduce FirDeclarationOrigin.BuiltIns

compiler/fir/fir-deserialization/src/org/jetbrains/kotlin/fir/deserialization/ClassDeserialization.kt

@@ -52,6 +52,7 @@ fun deserializeClassToSymbol(
     scopeProvider: FirScopeProvider,
     parentContext: FirDeserializationContext? = null,
     containerSource: DeserializedContainerSource? = null,
+    origin: FirDeclarationOrigin = FirDeclarationOrigin.Library,
     deserializeNestedClass: (ClassId, FirDeserializationContext) -> FirRegularClassSymbol?
 ) {
     val flags = classProto.flags
@@ -94,7 +95,7 @@ fun deserializeClassToSymbol(
     }
     buildRegularClass {
         this.session = session
-        origin = FirDeclarationOrigin.Library
+        this.origin = origin
         name = classId.shortClassName
         this.status = status
         classKind = ProtoEnumFlags.classKind(kind)
@@ -151,7 +152,7 @@ fun deserializeClassToSymbol(
                 val enumType = ConeClassLikeTypeImpl(symbol.toLookupTag(), emptyArray(), false)
                 val property = buildEnumEntry {
                     this.session = session
-                    origin = FirDeclarationOrigin.Library
+                    this.origin = FirDeclarationOrigin.Library
                     returnTypeRef = buildResolvedTypeRef { type = enumType }
                     name = enumEntryName
                     this.symbol = FirVariableSymbol(CallableId(classId, enumEntryName))

compiler/fir/fir-deserialization/src/org/jetbrains/kotlin/fir/resolve/providers/impl/FirBuiltinSymbolProvider.kt

@@ -303,6 +303,7 @@ class FirBuiltinSymbolProvider(session: FirSession, val kotlinScopeProvider: Kot
                     classId, classProto, symbol, nameResolver, session,
                     null, kotlinScopeProvider, parentContext,
                     null,
+                    origin = FirDeclarationOrigin.BuiltIns,
                     this::findAndDeserializeClass,
                 )
             }

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

@@ -200,7 +200,7 @@ class KotlinDeserializedJvmSymbolsProvider(
             JvmBinaryAnnotationDeserializer(session, kotlinClass.kotlinJvmBinaryClass, kotlinClass.byteContent),
             kotlinScopeProvider,
             parentContext, KotlinJvmBinarySourceElement(kotlinClass.kotlinJvmBinaryClass),
-            this::getClass
+            deserializeNestedClass = this::getClass,
         )
 
         return symbol to kotlinClass

compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/FirDeclarationOrigin.kt

@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.fir.declarations
 sealed class FirDeclarationOrigin(val fromSupertypes: Boolean = false) {
     object Source : FirDeclarationOrigin()
     object Library : FirDeclarationOrigin()
+    object BuiltIns : FirDeclarationOrigin()
     object Java : FirDeclarationOrigin()
     object Synthetic : FirDeclarationOrigin()
     object SamConstructor : FirDeclarationOrigin()

idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/symbols/KtFirSymbol.kt

@@ -32,7 +32,7 @@ private tailrec fun FirDeclaration.ktSymbolOrigin(): KtSymbolOrigin = when (orig
             KtSymbolOrigin.SOURCE_MEMBER_GENERATED
         } else KtSymbolOrigin.SOURCE
     }
-    FirDeclarationOrigin.Library -> KtSymbolOrigin.LIBRARY
+    FirDeclarationOrigin.Library, FirDeclarationOrigin.BuiltIns -> KtSymbolOrigin.LIBRARY
     FirDeclarationOrigin.Java -> KtSymbolOrigin.JAVA
     FirDeclarationOrigin.SamConstructor -> KtSymbolOrigin.SAM_CONSTRUCTOR
     FirDeclarationOrigin.Enhancement -> KtSymbolOrigin.JAVA