1 files changed, 52 insertions, 0 deletions
diff --git a/runtime/commonMain/src/kotlinx/serialization/Descriptors.kt b/runtime/commonMain/src/kotlinx/serialization/Descriptors.kt
new file mode 100644
index 00000000..ac98f108
--- /dev/null
+++ b/runtime/commonMain/src/kotlinx/serialization/Descriptors.kt
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2018 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package kotlinx.serialization
+
+import kotlinx.serialization.internal.PrimitiveDescriptor
+
+sealed class SerialKind
+
+sealed class PrimitiveKind: SerialKind() {
+    object INT : PrimitiveKind()
+    object UNIT : PrimitiveKind()
+    object BOOLEAN : PrimitiveKind()
+    object BYTE : PrimitiveKind()
+    object SHORT : PrimitiveKind()
+    object LONG : PrimitiveKind()
+    object FLOAT : PrimitiveKind()
+    object DOUBLE : PrimitiveKind()
+    object CHAR : PrimitiveKind()
+    object STRING: PrimitiveKind()
+}
+
+sealed class StructureKind: SerialKind() {
+    object CLASS: StructureKind()
+    object LIST: StructureKind()
+    object MAP: StructureKind()
+}
+
+sealed class UnionKind: SerialKind() {
+    object OBJECT: UnionKind()
+    object ENUM_KIND: UnionKind() // https://github.com/JetBrains/kotlin-native/issues/1447
+    object SEALED: UnionKind()
+    object POLYMORPHIC: UnionKind()
+}
+
+class PrimitiveDescriptorWithName(override val name: String, val original: PrimitiveDescriptor) :
+    SerialDescriptor by original
+
+fun PrimitiveDescriptor.withName(name: String): SerialDescriptor = PrimitiveDescriptorWithName(name, this)