add support for classes with packages #KT-65909 fixed

Merge-request: KT-MR-14623
Merged-by: Artem Olkov <artem.olkov@jetbrains.com>

native/swift/sir-passes/src/org/jetbrains/sir/passes/SirInflatePackagesPass.kt

@@ -5,7 +5,9 @@
 
 package org.jetbrains.sir.passes
 
+import org.jetbrains.kotlin.analysis.api.calls.KtCall
 import org.jetbrains.kotlin.analysis.api.symbols.KtCallableSymbol
+import org.jetbrains.kotlin.analysis.api.symbols.KtClassOrObjectSymbol
 import org.jetbrains.kotlin.sir.*
 import org.jetbrains.kotlin.sir.builder.buildEnum
 import org.jetbrains.kotlin.sir.builder.buildModule
@@ -57,14 +59,7 @@ public class SirInflatePackagesPass : SirModulePass {
             for (declaration in module.declarations) {
                 val origin = declaration.origin as? KotlinSource
                 if (origin != null) {
-                    // FIXME: for now we assume everything before the last dot is a package name.
-                    //  This should change as we add type declarations into the mix
-                    val path = (origin.symbol as? KtCallableSymbol)
-                        ?.callableIdIfNonLocal?.packageName
-                        ?.pathSegments()
-                        ?.map { it.toString() }
-                        ?: emptyList()
-                    data.root.getOrCreate(path).elements.add(declaration)
+                    data.root.getOrCreate(origin.getPackagePath()).elements.add(declaration)
                     continue
                 }
                 declarations += declaration
@@ -89,4 +84,20 @@ public class SirInflatePackagesPass : SirModulePass {
 private fun SirDeclarationContainer.fixParents() = declarations
     .onEach { it.parent = this }
     .filterIsInstance<SirDeclarationContainer>()
-    .forEach(SirDeclarationContainer::fixParents)
+    .forEach(SirDeclarationContainer::fixParents)
+
+private fun KotlinSource.getPackagePath(): List<String> {
+    val fqName = when (symbol) {
+        is KtCallableSymbol -> {
+            symbol.callableIdIfNonLocal?.packageName
+        }
+        is KtClassOrObjectSymbol -> {
+            symbol.classIdIfNonLocal?.packageFqName
+        }
+        else ->
+            TODO("encountered unknown origin: $symbol. This exception should be reworked during KT-65980")
+    }
+    return fqName?.pathSegments()
+        ?.map { it.toString() }
+        ?: TODO("encountered empty FqName on source: ${this}. This exception should be reworked during KT-65980")
+}

native/swift/sir-passes/src/org/jetbrains/sir/passes/builder/SirFromPsiBuilder.kt

@@ -204,7 +204,6 @@ context(KtAnalysisSession)
 private fun KtNamedClassOrObjectSymbol.isConsumableBySirBuilder(): Boolean =
     classKind == KtClassKind.CLASS
             && (superTypes.count() == 1 && superTypes.first().isAny) // Every class has Any as a superclass
-            && classIdIfNonLocal?.packageFqName?.isRoot != false
             && !isData
             && !isInline
             && modality == Modality.FINAL

native/swift/swift-export-standalone/testData/classes/golden_result/result.swift

@@ -1,5 +1,18 @@
 import KotlinBridges
 import KotlinRuntime
 
+public enum namespace {
+    public enum deeper {
+        public class NAMESPACED_CLASS {
+        }
+        public class Foo {
+        }
+    }
+    public class NAMESPACED_CLASS {
+    }
+    public class Foo {
+    }
+}
+
 public class Foo {
 }

native/swift/swift-export-standalone/testData/classes/input_root/class_with_deeper_package.kt

@@ -0,0 +1,7 @@
+package namespace.deeper
+
+class NAMESPACED_CLASS
+
+class Foo {
+    class INSIDE_CLASS // this should be ignored currently
+}

native/swift/swift-export-standalone/testData/classes/input_root/class_with_package.kt

@@ -0,0 +1,7 @@
+package namespace
+
+class NAMESPACED_CLASS
+
+class Foo {
+    class INSIDE_CLASS // this should be ignored currently
+}

native/swift/swift-export-standalone/testData/classes/input_root/classes.kt

@@ -1,4 +1,4 @@
 
 class Foo {
     class INSIDE_CLASS // this should be ignored currently
-}
+}

native/swift/swift-export-standalone/testData/classes/input_root/should_be_ignored_packaged.kt

@@ -1,3 +0,0 @@
-package namespace
-
-class NAMESPACED_CLASS