Parcelable: Add Parcelable functionality to Android Extensions plugin

plugins/android-extensions/android-extensions-compiler/src/org/jetbrains/kotlin/android/parcel/ParcelableClinitClassBuilderInterceptorExtension.kt

@@ -0,0 +1,144 @@
+/*
+ * Copyright 2010-2015 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 org.jetbrains.kotlin.android.synthetic.codegen
+
+import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.android.parcel.isMagicParcelable
+import org.jetbrains.kotlin.codegen.ClassBuilder
+import org.jetbrains.kotlin.codegen.ClassBuilderFactory
+import org.jetbrains.kotlin.codegen.DelegatingClassBuilder
+import org.jetbrains.kotlin.codegen.extensions.ClassBuilderInterceptorExtension
+import org.jetbrains.kotlin.diagnostics.DiagnosticSink
+import org.jetbrains.kotlin.psi.KtClass
+import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
+import org.jetbrains.org.objectweb.asm.*
+import org.jetbrains.org.objectweb.asm.Opcodes.*
+import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter
+
+class ParcelableClinitClassBuilderInterceptorExtension : ClassBuilderInterceptorExtension {
+    override fun interceptClassBuilderFactory(
+            interceptedFactory: ClassBuilderFactory,
+            bindingContext: BindingContext,
+            diagnostics: DiagnosticSink
+    ): ClassBuilderFactory {
+        return ParcelableClinitClassBuilderFactory(interceptedFactory, bindingContext)
+    }
+
+    private inner class ParcelableClinitClassBuilderFactory(
+            private val delegateFactory: ClassBuilderFactory,
+            val bindingContext: BindingContext
+    ) : ClassBuilderFactory {
+
+        override fun newClassBuilder(origin: JvmDeclarationOrigin): ClassBuilder {
+            return AndroidOnDestroyCollectorClassBuilder(delegateFactory.newClassBuilder(origin), bindingContext)
+        }
+
+        override fun getClassBuilderMode() = delegateFactory.classBuilderMode
+
+        override fun asText(builder: ClassBuilder?): String? {
+            return delegateFactory.asText((builder as AndroidOnDestroyCollectorClassBuilder).delegateClassBuilder)
+        }
+
+        override fun asBytes(builder: ClassBuilder?): ByteArray? {
+            return delegateFactory.asBytes((builder as AndroidOnDestroyCollectorClassBuilder).delegateClassBuilder)
+        }
+
+        override fun close() {
+            delegateFactory.close()
+        }
+    }
+
+    private inner class AndroidOnDestroyCollectorClassBuilder(
+            internal val delegateClassBuilder: ClassBuilder,
+            val bindingContext: BindingContext
+    ) : DelegatingClassBuilder() {
+        private var currentClass: KtClass? = null
+        private var currentClassName: String? = null
+        private var isClinitGenerated = false
+
+        override fun getDelegate() = delegateClassBuilder
+
+        override fun defineClass(
+                origin: PsiElement?,
+                version: Int,
+                access: Int,
+                name: String,
+                signature: String?,
+                superName: String,
+                interfaces: Array<out String>
+        ) {
+            if (origin is KtClass) {
+                currentClass = origin
+            }
+
+            currentClassName = name
+            isClinitGenerated = false
+
+            super.defineClass(origin, version, access, name, signature, superName, interfaces)
+        }
+
+        override fun done() {
+            if (!isClinitGenerated && currentClass != null && currentClassName != null) {
+                val descriptor = bindingContext[BindingContext.CLASS, currentClass]
+                if (descriptor != null && descriptor.isMagicParcelable) {
+                    val baseVisitor = super.newMethod(JvmDeclarationOrigin.NO_ORIGIN, ACC_STATIC, "<clinit>", "()V", null, null)
+                    val visitor = ClinitAwareMethodVisitor(currentClassName!!, baseVisitor)
+
+                    visitor.visitCode()
+                    visitor.visitInsn(Opcodes.RETURN)
+                    visitor.visitEnd()
+                }
+            }
+
+            super.done()
+        }
+
+        override fun newMethod(
+                origin: JvmDeclarationOrigin,
+                access: Int,
+                name: String,
+                desc: String,
+                signature: String?,
+                exceptions: Array<out String>?
+        ): MethodVisitor {
+            if (name == "<clinit>" && currentClass != null && currentClassName != null) {
+                isClinitGenerated = true
+                return ClinitAwareMethodVisitor(currentClassName!!, super.newMethod(origin, access, name, desc, signature, exceptions))
+            }
+
+            return super.newMethod(origin, access, name, desc, signature, exceptions)
+        }
+    }
+
+    private class ClinitAwareMethodVisitor(val parcelableName: String, mv: MethodVisitor) : MethodVisitor(Opcodes.ASM5, mv) {
+        override fun visitInsn(opcode: Int) {
+            if (opcode == Opcodes.RETURN) {
+                val iv = InstructionAdapter(this)
+                val creatorName = "$parcelableName\$CREATOR"
+                val creatorType = Type.getObjectType(creatorName)
+
+                iv.anew(creatorType)
+                iv.dup()
+                iv.invokespecial(creatorName, "<init>", "()V", false)
+                iv.putstatic(parcelableName, "CREATOR", creatorType.descriptor)
+            }
+
+            super.visitInsn(opcode)
+        }
+    }
+}

plugins/android-extensions/android-extensions-compiler/src/org/jetbrains/kotlin/android/parcel/ParcelableCodegenExtension.kt

@@ -0,0 +1,252 @@
+/*
+ * Copyright 2010-2017 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 org.jetbrains.kotlin.android.parcel
+
+import org.jetbrains.kotlin.android.parcel.ParcelableSyntheticComponent.ComponentKind.*
+import org.jetbrains.kotlin.android.parcel.ParcelableResolveExtension.Companion.createMethod
+import org.jetbrains.kotlin.android.parcel.serializers.ParcelSerializer
+import org.jetbrains.kotlin.codegen.ExpressionCodegen
+import org.jetbrains.kotlin.codegen.ImplementationBodyCodegen
+import org.jetbrains.kotlin.codegen.extensions.ExpressionCodegenExtension
+import org.jetbrains.kotlin.descriptors.*
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
+import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
+import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodSignature
+import org.jetbrains.kotlin.codegen.FunctionGenerationStrategy.CodegenBased
+import org.jetbrains.kotlin.codegen.OwnerKind
+import org.jetbrains.kotlin.codegen.context.ClassContext
+import org.jetbrains.kotlin.codegen.writeSyntheticClassMetadata
+import org.jetbrains.kotlin.descriptors.impl.ClassDescriptorImpl
+import org.jetbrains.kotlin.incremental.components.NoLookupLocation.*
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.resolve.DescriptorFactory
+import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameSafe
+import org.jetbrains.kotlin.resolve.descriptorUtil.module
+import org.jetbrains.kotlin.resolve.scopes.MemberScope
+import org.jetbrains.kotlin.types.KotlinType
+import org.jetbrains.kotlin.types.Variance
+import org.jetbrains.org.objectweb.asm.Opcodes.*
+import org.jetbrains.org.objectweb.asm.Type
+import java.io.FileDescriptor
+
+class ParcelableCodegenExtension : ExpressionCodegenExtension {
+    private companion object {
+        private val FILE_DESCRIPTOR_FQNAME = FqName(FileDescriptor::class.java.canonicalName)
+    }
+
+    override fun generateClassSyntheticParts(codegen: ImplementationBodyCodegen) {
+        val parcelableClass = codegen.descriptor
+        if (!parcelableClass.isMagicParcelable) return
+        assert(parcelableClass.kind == ClassKind.CLASS || parcelableClass.kind == ClassKind.OBJECT)
+
+        val propertiesToSerialize = getPropertiesToSerialize(codegen, parcelableClass)
+
+        val parcelClassType = ParcelableResolveExtension.resolveParcelClassType(parcelableClass.module)
+        val parcelAsmType = codegen.typeMapper.mapType(parcelClassType)
+
+        with (parcelableClass) {
+            writeDescribeContentsFunction(codegen, propertiesToSerialize)
+            writeWriteToParcel(codegen, propertiesToSerialize, parcelAsmType)
+        }
+
+        writeCreatorAccessField(codegen, parcelableClass)
+        writeCreatorClass(codegen, parcelableClass, parcelClassType, parcelAsmType, propertiesToSerialize)
+    }
+
+    private fun ClassDescriptor.writeWriteToParcel(
+            codegen: ImplementationBodyCodegen,
+            properties: List<Pair<String, KotlinType>>,
+            parcelAsmType: Type
+    ): Unit? {
+        val containerAsmType = codegen.typeMapper.mapType(this.defaultType)
+
+        return findFunction(WRITE_TO_PARCEL)?.write(codegen) {
+            for ((fieldName, type) in properties) {
+                val asmType = codegen.typeMapper.mapType(type)
+
+                v.load(1, parcelAsmType)
+                v.load(0, containerAsmType)
+                v.getfield(containerAsmType.internalName, fieldName, asmType.descriptor)
+
+                val serializer = ParcelSerializer.get(type, asmType, codegen.typeMapper)
+                serializer.writeValue(v)
+            }
+
+            v.areturn(Type.VOID_TYPE)
+        }
+    }
+
+    private fun ClassDescriptor.writeDescribeContentsFunction(
+            codegen: ImplementationBodyCodegen,
+            propertiesToSerialize: List<Pair<String, KotlinType>>
+    ): Unit? {
+        val hasFileDescriptorAnywhere = propertiesToSerialize.any { it.second.containsFileDescriptor() }
+
+        return findFunction(DESCRIBE_CONTENTS)?.write(codegen) {
+            v.aconst(if (hasFileDescriptorAnywhere) 1 /* CONTENTS_FILE_DESCRIPTOR */ else 0)
+            v.areturn(Type.INT_TYPE)
+        }
+    }
+
+    private fun KotlinType.containsFileDescriptor(): Boolean {
+        val declarationDescriptor = this.constructor.declarationDescriptor
+        if (declarationDescriptor != null) {
+            if (declarationDescriptor.fqNameSafe == FILE_DESCRIPTOR_FQNAME) {
+                return true
+            }
+        }
+
+        return this.arguments.any { it.type.containsFileDescriptor() }
+    }
+
+    private fun getPropertiesToSerialize(
+            codegen: ImplementationBodyCodegen,
+            parcelableClass: ClassDescriptor
+    ): List<Pair<String, KotlinType>> {
+        val constructor = parcelableClass.constructors.first { it.isPrimary }
+
+        val propertiesToSerialize = constructor.valueParameters.map { param ->
+            codegen.bindingContext[BindingContext.VALUE_PARAMETER_AS_PROPERTY, param]
+            ?: error("Value parameter should have 'val' or 'var' keyword")
+        }
+
+        return propertiesToSerialize.map { it.name.asString() /* TODO */ to it.type }
+    }
+
+    private fun writeCreateFromParcel(
+            codegen: ImplementationBodyCodegen,
+            parcelableClass: ClassDescriptor,
+            creatorClass: ClassDescriptorImpl,
+            parcelClassType: KotlinType,
+            parcelAsmType: Type,
+            properties: List<Pair<String, KotlinType>>
+    ) {
+        val containerAsmType = codegen.typeMapper.mapType(parcelableClass)
+
+        createMethod(creatorClass, CREATE_FROM_PARCEL, parcelableClass.defaultType, "in" to parcelClassType).write(codegen) {
+            v.anew(containerAsmType)
+            v.dup()
+
+            val asmConstructorParameters = StringBuilder()
+
+            for ((_, type) in properties) {
+                val asmType = codegen.typeMapper.mapType(type)
+                asmConstructorParameters.append(asmType.descriptor)
+
+                val serializer = ParcelSerializer.get(type, asmType, codegen.typeMapper)
+                v.load(1, parcelAsmType)
+                serializer.readValue(v)
+            }
+
+            v.invokespecial(containerAsmType.internalName, "<init>", "($asmConstructorParameters)V", false)
+            v.areturn(containerAsmType)
+        }
+    }
+
+    private fun writeCreatorAccessField(codegen: ImplementationBodyCodegen, parcelableClass: ClassDescriptor) {
+        val parcelableAsmType = codegen.typeMapper.mapType(parcelableClass.defaultType)
+        val creatorAsmType = Type.getObjectType(parcelableAsmType.internalName + "\$CREATOR")
+        codegen.v.newField(JvmDeclarationOrigin.NO_ORIGIN, ACC_STATIC or ACC_PUBLIC or ACC_FINAL, "CREATOR",
+                           creatorAsmType.descriptor, null, null)
+    }
+
+    private fun writeCreatorClass(
+            codegen: ImplementationBodyCodegen,
+            parcelableClass: ClassDescriptor,
+            parcelClassType: KotlinType,
+            parcelAsmType: Type,
+            properties: List<Pair<String, KotlinType>>
+    ) {
+        val containerAsmType = codegen.typeMapper.mapType(parcelableClass.defaultType)
+        val creatorAsmType = Type.getObjectType(containerAsmType.internalName + "\$CREATOR")
+
+        val creatorClass = ClassDescriptorImpl(
+                parcelableClass.containingDeclaration, Name.identifier("Creator"), Modality.FINAL, ClassKind.CLASS, emptyList(),
+                parcelableClass.source, false)
+
+        creatorClass.initialize(
+                MemberScope.Empty, emptySet(),
+                DescriptorFactory.createPrimaryConstructorForObject(creatorClass, creatorClass.source))
+
+        val classBuilderForCreator = codegen.state.factory.newVisitor(
+                JvmDeclarationOrigin.NO_ORIGIN,
+                Type.getObjectType(creatorAsmType.internalName),
+                codegen.myClass.containingKtFile)
+
+        val classContextForCreator = ClassContext(
+                codegen.typeMapper, creatorClass, OwnerKind.IMPLEMENTATION, codegen.context.parentContext, null)
+        val codegenForCreator = ImplementationBodyCodegen(
+                codegen.myClass, classContextForCreator, classBuilderForCreator, codegen.state, codegen.parentCodegen, false)
+
+        classBuilderForCreator.defineClass(null, V1_6, ACC_PUBLIC or ACC_STATIC,
+                              creatorAsmType.internalName, null, "java/lang/Object",
+                              arrayOf("android/os/Parcelable\$Creator"))
+
+        writeSyntheticClassMetadata(classBuilderForCreator, codegen.state)
+
+        writeCreatorConstructor(codegenForCreator, creatorClass, creatorAsmType)
+        writeNewArrayMethod(codegenForCreator, parcelableClass, creatorClass)
+        writeCreateFromParcel(codegenForCreator, parcelableClass, creatorClass, parcelClassType, parcelAsmType, properties)
+
+        classBuilderForCreator.done()
+    }
+
+    private fun writeCreatorConstructor(codegen: ImplementationBodyCodegen, creatorClass: ClassDescriptor, creatorAsmType: Type) {
+        DescriptorFactory.createPrimaryConstructorForObject(creatorClass, creatorClass.source)
+                .apply {
+                    returnType = creatorClass.defaultType
+                }.write(codegen) {
+                    v.load(0, creatorAsmType)
+                    v.invokespecial("java/lang/Object", "<init>", "()V", false)
+                    v.areturn(Type.VOID_TYPE)
+                }
+    }
+
+    private fun writeNewArrayMethod(
+            codegen: ImplementationBodyCodegen,
+            parcelableClass: ClassDescriptor,
+            creatorClass: ClassDescriptorImpl
+    ) {
+        val builtIns = parcelableClass.builtIns
+        val parcelableAsmType = codegen.typeMapper.mapType(parcelableClass)
+
+        createMethod(creatorClass, NEW_ARRAY,
+                builtIns.getArrayType(Variance.INVARIANT, parcelableClass.defaultType),
+                "size" to builtIns.intType
+        ).write(codegen) {
+            v.load(1, Type.INT_TYPE)
+            v.newarray(parcelableAsmType)
+            v.areturn(Type.getType("[L$parcelableAsmType;"))
+        }
+    }
+
+    private fun FunctionDescriptor.write(codegen: ImplementationBodyCodegen, code: ExpressionCodegen.() -> Unit) {
+        codegen.functionCodegen.generateMethod(JvmDeclarationOrigin.NO_ORIGIN, this, object : CodegenBased(codegen.state) {
+            override fun doGenerateBody(e: ExpressionCodegen, signature: JvmMethodSignature) {
+                e.code()
+            }
+        })
+    }
+
+    private fun ClassDescriptor.findFunction(componentKind: ParcelableSyntheticComponent.ComponentKind): SimpleFunctionDescriptor? {
+        return unsubstitutedMemberScope
+                .getContributedFunctions(Name.identifier(componentKind.methodName), WHEN_GET_ALL_DESCRIPTORS)
+                .firstOrNull { (it as? ParcelableSyntheticComponent)?.componentKind == componentKind }
+    }
+}

plugins/android-extensions/android-extensions-compiler/src/org/jetbrains/kotlin/android/parcel/ParcelableResolveExtension.kt

@@ -0,0 +1,105 @@
+/*
+ * Copyright 2010-2017 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 org.jetbrains.kotlin.android.parcel
+
+import kotlinx.android.parcel.MagicParcel
+import org.jetbrains.kotlin.android.parcel.ParcelableSyntheticComponent.ComponentKind.*
+import org.jetbrains.kotlin.descriptors.*
+import org.jetbrains.kotlin.descriptors.annotations.Annotations
+import org.jetbrains.kotlin.descriptors.impl.SimpleFunctionDescriptorImpl
+import org.jetbrains.kotlin.descriptors.impl.ValueParameterDescriptorImpl
+import org.jetbrains.kotlin.name.ClassId
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
+import org.jetbrains.kotlin.resolve.descriptorUtil.module
+import org.jetbrains.kotlin.resolve.extensions.SyntheticResolveExtension
+import org.jetbrains.kotlin.types.KotlinType
+import org.jetbrains.kotlin.types.SimpleType
+
+class ParcelableResolveExtension : SyntheticResolveExtension {
+    companion object {
+        fun resolveParcelClassType(module: ModuleDescriptor): SimpleType {
+            return module.findClassAcrossModuleDependencies(
+                    ClassId.topLevel(FqName("android.os.Parcel")))?.defaultType ?: error("Can't resolve 'android.os.Parcel' class")
+        }
+
+        fun createMethod(
+                classDescriptor: ClassDescriptor,
+                componentKind: ParcelableSyntheticComponent.ComponentKind,
+                returnType: KotlinType,
+                vararg parameters: Pair<String, KotlinType>
+        ): SimpleFunctionDescriptor {
+            val functionDescriptor = object : ParcelableSyntheticComponent, SimpleFunctionDescriptorImpl(
+                    classDescriptor,
+                    null,
+                    Annotations.EMPTY,
+                    Name.identifier(componentKind.methodName),
+                    CallableMemberDescriptor.Kind.SYNTHESIZED,
+                    classDescriptor.source
+            ) {
+                override val componentKind = componentKind
+            }
+
+            val valueParameters = parameters.mapIndexed { index, (name, type) -> functionDescriptor.makeValueParameter(name, type, index) }
+
+            functionDescriptor.initialize(
+                    null, classDescriptor.thisAsReceiverParameter, emptyList(), valueParameters,
+                    returnType, Modality.FINAL, Visibilities.PUBLIC)
+
+            return functionDescriptor
+        }
+
+        private fun FunctionDescriptor.makeValueParameter(name: String, type: KotlinType, index: Int): ValueParameterDescriptor {
+            return ValueParameterDescriptorImpl(
+                    this, null, index, Annotations.EMPTY, Name.identifier(name), type, false, false, false, null, this.source)
+        }
+    }
+
+    override fun getSyntheticCompanionObjectNameIfNeeded(thisDescriptor: ClassDescriptor) = null
+
+    override fun generateSyntheticMethods(
+            clazz: ClassDescriptor,
+            name: Name,
+            fromSupertypes: List<SimpleFunctionDescriptor>,
+            result: MutableCollection<SimpleFunctionDescriptor>
+    ) {
+        if (name.asString() == DESCRIBE_CONTENTS.methodName && clazz.isMagicParcelable) {
+            result += createMethod(clazz, DESCRIBE_CONTENTS, clazz.builtIns.intType)
+        } else if (name.asString() == WRITE_TO_PARCEL.methodName && clazz.isMagicParcelable) {
+            val builtIns = clazz.builtIns
+            val parcelClassType = resolveParcelClassType(clazz.module)
+            result += createMethod(clazz, WRITE_TO_PARCEL, builtIns.unitType, "parcel" to parcelClassType, "flags" to builtIns.intType)
+        }
+    }
+}
+
+interface ParcelableSyntheticComponent {
+    val componentKind: ComponentKind
+
+    enum class ComponentKind(val methodName: String) {
+        WRITE_TO_PARCEL("writeToParcel"),
+        DESCRIBE_CONTENTS("describeContents"),
+        NEW_ARRAY("newArray"),
+        CREATE_FROM_PARCEL("createFromParcel")
+    }
+}
+
+private val MAGIC_PARCEL_CLASS_FQNAME = FqName(MagicParcel::class.java.canonicalName)
+
+internal val ClassDescriptor.isMagicParcelable: Boolean
+    get() = this.annotations.hasAnnotation(MAGIC_PARCEL_CLASS_FQNAME)

plugins/android-extensions/android-extensions-compiler/src/org/jetbrains/kotlin/android/parcel/serializers/ParcelSerializer.kt

@@ -0,0 +1,184 @@
+/*
+ * Copyright 2010-2017 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 org.jetbrains.kotlin.android.parcel.serializers
+
+import org.jetbrains.kotlin.codegen.state.KotlinTypeMapper
+import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameSafe
+import org.jetbrains.kotlin.types.KotlinType
+import org.jetbrains.kotlin.types.typeUtil.builtIns
+import org.jetbrains.org.objectweb.asm.Type
+import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter
+import java.util.*
+import java.util.concurrent.ConcurrentHashMap
+
+interface ParcelSerializer {
+    val asmType: Type
+
+    fun writeValue(v: InstructionAdapter)
+    fun readValue(v: InstructionAdapter)
+
+    companion object {
+        fun get(type: KotlinType, asmType: Type, typeMapper: KotlinTypeMapper, forceBoxed: Boolean = false): ParcelSerializer {
+            val className = asmType.className
+
+            return when {
+                asmType.sort == Type.ARRAY -> {
+                    val elementType = type.builtIns.getArrayElementType(type)
+
+                    wrapToNullAwareIfNeeded(
+                            type,
+                            ArrayParcelSerializer(asmType, get(elementType, typeMapper.mapType(elementType), typeMapper)))
+                }
+
+                asmType.isPrimitive() -> {
+                    if (forceBoxed || type.isMarkedNullable)
+                        wrapToNullAwareIfNeeded(type, BoxedPrimitiveTypeParcelSerializer.forUnboxedType(asmType))
+                    else
+                        PrimitiveTypeParcelSerializer.getInstance(asmType)
+                }
+
+                asmType.isString() -> NullCompliantObjectParcelSerializer(asmType,
+                        Method("writeString"),
+                        Method("readString"))
+
+                className == List::class.java.canonicalName
+                    || className == ArrayList::class.java.canonicalName
+                    || className == LinkedList::class.java.canonicalName
+                    || className == Set::class.java.canonicalName
+                    || className == HashSet::class.java.canonicalName
+                    || className == LinkedHashSet::class.java.canonicalName
+                    || className == TreeSet::class.java.canonicalName
+                -> {
+                    val elementType = type.arguments.single().type
+                    val elementSerializer = get(elementType, typeMapper.mapType(elementType), typeMapper, forceBoxed = true)
+                    wrapToNullAwareIfNeeded(type, ListSetParcelSerializer(asmType, elementSerializer))
+                }
+
+                className == Map::class.java.canonicalName
+                    || className == HashMap::class.java.canonicalName
+                    || className == LinkedHashMap::class.java.canonicalName
+                    || className == TreeMap::class.java.canonicalName
+                    || className == ConcurrentHashMap::class.java.canonicalName
+                -> {
+                    val (keyType, valueType) = type.arguments.apply { assert(this.size == 2) }
+                    val keySerializer = get(keyType.type, typeMapper.mapType(keyType.type), typeMapper, forceBoxed = true)
+                    val valueSerializer = get(valueType.type, typeMapper.mapType(valueType.type), typeMapper, forceBoxed = true)
+                    wrapToNullAwareIfNeeded(type, MapParcelSerializer(asmType, keySerializer, valueSerializer))
+                }
+
+                asmType.isBoxedPrimitive() -> wrapToNullAwareIfNeeded(type, BoxedPrimitiveTypeParcelSerializer.forBoxedType(asmType))
+
+                asmType.isBlob() -> NullCompliantObjectParcelSerializer(asmType,
+                        Method("writeBlob"),
+                        Method("readBlob"))
+
+                asmType.isSize() -> wrapToNullAwareIfNeeded(type, NullCompliantObjectParcelSerializer(asmType,
+                        Method("writeSize"),
+                        Method("readSize")))
+
+                asmType.isSizeF() -> wrapToNullAwareIfNeeded(type, NullCompliantObjectParcelSerializer(asmType,
+                        Method("writeSizeF"),
+                        Method("readSizeF")))
+
+                asmType.isBundle() -> NullCompliantObjectParcelSerializer(asmType,
+                        Method("writeBundle"),
+                        Method("readBundle"))
+
+                asmType.isPersistableBundle() -> NullCompliantObjectParcelSerializer(asmType,
+                        Method("writeBundle"),
+                        Method("readBundle"))
+
+                asmType.isSparseBooleanArray() -> NullCompliantObjectParcelSerializer(asmType,
+                        Method("writeSparseBooleanArray"),
+                        Method("readSparseBooleanArray"))
+
+                asmType.isSparseIntArray() -> wrapToNullAwareIfNeeded(type, SparseArrayParcelSerializer(
+                        asmType, PrimitiveTypeParcelSerializer.getInstance(Type.INT_TYPE)))
+
+                asmType.isSparseLongArray() -> wrapToNullAwareIfNeeded(type, SparseArrayParcelSerializer(
+                        asmType, PrimitiveTypeParcelSerializer.getInstance(Type.LONG_TYPE)))
+
+                asmType.isSparseArray() -> {
+                    val elementType = type.arguments.single().type
+                    val elementSerializer = get(elementType, typeMapper.mapType(elementType), typeMapper, forceBoxed = true)
+                    wrapToNullAwareIfNeeded(type, SparseArrayParcelSerializer(asmType, elementSerializer))
+                }
+
+                type.isException() -> wrapToNullAwareIfNeeded(type, NullCompliantObjectParcelSerializer(asmType,
+                        Method("writeException"),
+                        Method("readException")))
+
+                asmType.isFileDescriptor() -> wrapToNullAwareIfNeeded(type, NullCompliantObjectParcelSerializer(asmType,
+                        Method("writeRawFileDescriptor"),
+                        Method("readRawFileDescriptor")))
+
+                type.isSerializable() -> NullCompliantObjectParcelSerializer(asmType,
+                        Method("writeSerializable"),
+                        Method("readSerializable"))
+
+                else -> GenericParcelSerializer
+            }
+        }
+        private fun wrapToNullAwareIfNeeded(type: KotlinType, serializer: ParcelSerializer) = when {
+            type.isMarkedNullable -> NullAwareParcelSerializerWrapper(serializer)
+            else -> serializer
+        }
+
+        private fun Type.isBlob() = this.sort == Type.ARRAY && this.elementType == Type.BYTE_TYPE
+        private fun Type.isString() = this.descriptor == "Ljava/lang/String;"
+        private fun Type.isSize() = this.descriptor == "Landroid/util/Size;"
+        private fun Type.isSizeF() = this.descriptor == "Landroid/util/SizeF;"
+        private fun Type.isFileDescriptor() = this.descriptor == "Ljava/io/FileDescriptor;"
+        private fun Type.isBundle() = this.descriptor == "Landroid/os/Bundle;"
+        private fun Type.isPersistableBundle() = this.descriptor == "Landroid/os/PersistableBundle;"
+        private fun Type.isSparseBooleanArray() = this.descriptor == "Landroid/util/SparseBooleanArray;"
+        private fun Type.isSparseIntArray() = this.descriptor == "Landroid/util/SparseIntArray;"
+        private fun Type.isSparseLongArray() = this.descriptor == "Landroid/util/SparseLongArray;"
+        private fun Type.isSparseArray() = this.descriptor == "Landroid/util/SparseArray;"
+        private fun KotlinType.isSerializable() = matchesFqNameWithSupertypes("java.io.Serializable")
+        private fun KotlinType.isException() = matchesFqNameWithSupertypes("java.lang.Exception")
+
+        private fun Type.isPrimitive(): Boolean = when (this.sort) {
+            Type.BOOLEAN, Type.CHAR, Type.BYTE, Type.SHORT, Type.INT, Type.FLOAT, Type.LONG, Type.DOUBLE -> true
+            else -> false
+        }
+
+        private fun Type.isBoxedPrimitive(): Boolean = when(this.descriptor) {
+            "Ljava/lang/Boolean;",
+            "Ljava/lang/Character;",
+            "Ljava/lang/Byte;",
+            "Ljava/lang/Short;",
+            "Ljava/lang/Integer;",
+            "Ljava/lang/Float;",
+            "Ljava/lang/Long;",
+            "Ljava/lang/Double;" -> true
+            else -> false
+        }
+
+        private fun KotlinType.matchesFqNameWithSupertypes(fqName: String): Boolean {
+            if (this.matchesFqName(fqName)) {
+                return true
+            }
+
+            return this.constructor.supertypes.any { it.matchesFqName(fqName) }
+        }
+
+        private fun KotlinType.matchesFqName(fqName: String): Boolean {
+            return this.constructor.declarationDescriptor?.fqNameSafe?.asString() == fqName
+        }
+    }
+}

plugins/android-extensions/android-extensions-compiler/src/org/jetbrains/kotlin/android/parcel/serializers/ParcelSerializers.kt

@@ -0,0 +1,579 @@
+/*
+ * Copyright 2010-2017 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 org.jetbrains.kotlin.android.parcel.serializers
+
+import org.jetbrains.org.objectweb.asm.Label
+import org.jetbrains.org.objectweb.asm.Type
+import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter
+
+private val PARCEL_TYPE = Type.getObjectType("android/os/Parcel")
+
+internal object GenericParcelSerializer : ParcelSerializer {
+    override val asmType: Type = Type.getObjectType("java/lang/Object")
+
+    override fun writeValue(v: InstructionAdapter) {
+        v.invokevirtual(PARCEL_TYPE.internalName, "writeValue", "(Ljava/lang/Object;)V", false)
+    }
+
+    override fun readValue(v: InstructionAdapter) {
+        v.aconst(asmType) // -> parcel, type
+        v.invokevirtual("java/lang/Class", "getClassLoader", "()Ljava/lang/ClassLoader;", false) // -> parcel, classloader
+        v.invokevirtual(PARCEL_TYPE.internalName, "readValue", "(Ljava/lang/ClassLoader;)Ljava/lang/Object;", false)
+    }
+}
+
+internal class ArrayParcelSerializer(override val asmType: Type, private val elementSerializer: ParcelSerializer) : ParcelSerializer {
+    override fun writeValue(v: InstructionAdapter) {
+        v.dupX1() // -> arr, parcel, arr
+        v.arraylength() // -> arr, parcel, length
+        v.dupX2() // -> length, arr, parcel, length
+
+        // Write array size
+        v.invokevirtual(PARCEL_TYPE.internalName, "writeInt", "(I)V", false) // -> length, arr
+        v.swap() // -> arr, length
+        v.aconst(0) // -> arr, length, <index>
+
+        val nextLoopIteration = Label()
+        val loopIsOver = Label()
+
+        v.visitLabel(nextLoopIteration)
+
+        // Loop
+        v.dup2() // -> arr, length, index, length, index
+        v.ificmple(loopIsOver) // -> arr, length, index
+
+        v.swap() // -> arr, index, length
+        v.dupX2() // -> length, arr, index, length
+        v.pop() // -> length, arr, index
+        v.dup2() // -> length, arr, index, arr, index
+        v.aload(elementSerializer.asmType) // -> length, arr, index, obj
+        v.castIfNeeded(elementSerializer.asmType)
+
+        v.load(1, PARCEL_TYPE) // -> length, arr, index, obj, parcel
+        v.swap() // -> length, arr, index, parcel, obj
+        elementSerializer.writeValue(v) // -> length, arr, index
+
+        v.aconst(1) // -> length, arr, index, (1)
+        v.add(Type.INT_TYPE) // -> length, arr, (index + 1)
+        v.swap() // -> length, (index + 1), arr
+        v.dupX2() // -> arr, length, (index + 1), arr
+        v.pop() // -> arr, length, (index + 1)
+        v.goTo(nextLoopIteration)
+
+        v.visitLabel(loopIsOver)
+        v.pop2() // -> arr
+        v.pop()
+    }
+
+    override fun readValue(v: InstructionAdapter) {
+        v.invokevirtual(PARCEL_TYPE.internalName, "readInt", "()I", false) // -> length
+        v.dup() // -> length, length
+        v.newarray(elementSerializer.asmType) // -> length, arr
+        v.swap() // -> arr, length
+        v.aconst(0) // -> arr, length, index
+
+        val nextLoopIteration = Label()
+        val loopIsOver = Label()
+
+        v.visitLabel(nextLoopIteration)
+        v.dup2() // -> arr, length, index, length, index
+        v.ificmple(loopIsOver) // -> arr, length, index
+
+        v.swap() // -> arr, index, length
+        v.dupX2() // -> length, arr, index, length
+        v.pop() // -> length, arr, index
+        v.dup2() // -> length, arr, index, arr, index
+
+        v.load(1, PARCEL_TYPE) // -> length, arr, index, arr, index, parcel
+        elementSerializer.readValue(v) // -> length, arr, index, arr, index, obj
+        v.castIfNeeded(elementSerializer.asmType)
+        v.astore(elementSerializer.asmType) // -> length, arr, index
+        v.aconst(1) // -> length, arr, index, (1)
+        v.add(Type.INT_TYPE) // -> length, arr, (index + 1)
+        v.swap() // -> length, (index + 1), arr
+        v.dupX2() // -> arr, length, (index + 1), arr
+        v.pop() // -> arr, length, (index + 1)
+        v.goTo(nextLoopIteration)
+
+        v.visitLabel(loopIsOver)
+        v.pop2() // -> arr
+    }
+}
+
+internal fun InstructionAdapter.castIfNeeded(targetType: Type) {
+    if (targetType.sort != Type.OBJECT && targetType.sort != Type.ARRAY) return
+    if (targetType.descriptor == "Ljava/lang/Object;") return
+    checkcast(targetType)
+}
+
+internal class ListSetParcelSerializer(
+        asmType: Type,
+        elementSerializer: ParcelSerializer
+) : AbstractCollectionParcelSerializer(asmType, elementSerializer) {
+    override fun getSize(v: InstructionAdapter) {
+        v.invokeinterface("java/util/Collection", "size", "()I")
+    }
+
+    override fun getIterator(v: InstructionAdapter) {
+        v.invokeinterface("java/util/Collection", "iterator", "()Ljava/util/Iterator;")
+    }
+
+    override fun doWriteValue(v: InstructionAdapter) {
+        // -> parcel, obj
+        v.castIfNeeded(elementSerializer.asmType)
+        elementSerializer.writeValue(v)
+    }
+
+    override fun doReadValue(v: InstructionAdapter) {
+        // -> collection, parcel
+
+        elementSerializer.readValue(v) // -> collection, element
+        v.castIfNeeded(elementSerializer.asmType)
+
+        v.invokevirtual(collectionType.internalName, "add", "(Ljava/lang/Object;)Z", false) // -> bool
+        v.pop()
+    }
+}
+
+internal class MapParcelSerializer(
+        asmType: Type,
+        private val keySerializer: ParcelSerializer,
+        elementSerializer: ParcelSerializer
+) : AbstractCollectionParcelSerializer(asmType, elementSerializer) {
+    override fun getSize(v: InstructionAdapter) {
+        v.invokeinterface("java/util/Map", "size", "()I")
+    }
+
+    override fun getIterator(v: InstructionAdapter) {
+        v.invokeinterface("java/util/Map", "entrySet", "()Ljava/util/Set;")
+        v.invokeinterface("java/util/Set", "iterator", "()Ljava/util/Iterator;")
+    }
+
+    override fun doWriteValue(v: InstructionAdapter) {
+        // -> parcel, obj
+
+        v.dup2() // -> parcel, obj, parcel, obj
+
+        v.invokeinterface("java/util/Map\$Entry", "getKey", "()Ljava/lang/Object;") // -> parcel, obj, parcel, key
+        v.castIfNeeded(keySerializer.asmType)
+        keySerializer.writeValue(v) // -> parcel, obj
+
+        v.invokeinterface("java/util/Map\$Entry", "getValue", "()Ljava/lang/Object;") // -> parcel, value
+        v.castIfNeeded(elementSerializer.asmType)
+        elementSerializer.writeValue(v)
+    }
+
+    override fun doReadValue(v: InstructionAdapter) {
+        // -> map, parcel
+        v.dup() // -> map, parcel, parcel
+
+        keySerializer.readValue(v) // -> map, parcel, key
+        v.castIfNeeded(keySerializer.asmType)
+
+        v.swap() // -> map, key, parcel
+
+        elementSerializer.readValue(v) // -> map, key, value
+        v.castIfNeeded(elementSerializer.asmType)
+
+        v.invokeinterface("java/util/Map", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;") // -> obj
+        v.pop()
+    }
+}
+
+abstract internal class AbstractCollectionParcelSerializer(
+        final override val asmType: Type,
+        protected val elementSerializer: ParcelSerializer
+) : ParcelSerializer {
+    protected val collectionType: Type = Type.getObjectType(when (asmType.internalName) {
+        "java/util/List" -> "java/util/ArrayList"
+        "java/util/Set" -> "java/util/LinkedHashSet"
+        "java/util/Map" -> "java/util/LinkedHashMap"
+        else -> asmType.internalName
+    })
+
+    private var hasConstructorWithCapacity = when (collectionType.internalName) {
+        "java/util/LinkedList", "java/util/TreeSet", "java/util/TreeMap" -> false
+        else -> true
+    }
+
+    /**
+     * Stack before: collection
+     * Stack after:  size
+     */
+    protected abstract fun getSize(v: InstructionAdapter)
+
+    /**
+     * Stack before: collection
+     * Stack after:  iterator
+     */
+    protected abstract fun getIterator(v: InstructionAdapter)
+
+    /**
+     * Stack before: parcel, obj
+     * Stack after:  <empty>
+     */
+    protected abstract fun doWriteValue(v: InstructionAdapter)
+
+    /**
+     * Stack before: collection, parcel
+     * Stack after: <empty>
+     */
+    protected abstract fun doReadValue(v: InstructionAdapter)
+
+    override fun writeValue(v: InstructionAdapter) {
+        val labelIteratorLoop = Label()
+        val labelReturn = Label()
+
+        v.dupX1() // -> collection, parcel, collection
+        getSize(v) // -> collection, parcel, size
+        v.invokevirtual(PARCEL_TYPE.internalName, "writeInt", "(I)V", false) // collection
+        getIterator(v) // -> iterator
+
+        v.visitLabel(labelIteratorLoop)
+        v.dup() // -> iterator, iterator
+        v.invokeinterface("java/util/Iterator", "hasNext", "()Z") // -> iterator, hasNext
+        v.ifeq(labelReturn) // -> iterator
+
+        v.dup() // -> iterator, iterator
+        v.invokeinterface("java/util/Iterator", "next", "()Ljava/lang/Object;") // -> iterator, obj
+
+        v.load(1, PARCEL_TYPE) // -> iterator, obj, parcel
+        v.swap() // -> iterator, parcel, obj
+        doWriteValue(v) // -> iterator
+
+        v.goTo(labelIteratorLoop)
+
+        v.visitLabel(labelReturn)
+        v.pop()
+    }
+
+    override fun readValue(v: InstructionAdapter) {
+        val nextLoopIteration = Label()
+        val loopIsOver = Label()
+
+        // Read list size
+        v.invokevirtual(PARCEL_TYPE.internalName, "readInt", "()I", false) // -> size
+        v.dup() // -> size, size
+
+        v.anew(collectionType) // -> size, size, list
+        v.dupX1() // -> size, list, size, list
+        v.swap() // -> size, list, list, size
+
+        if (hasConstructorWithCapacity) {
+            v.invokespecial(collectionType.internalName, "<init>", "(I)V", false) // -> size, list
+        }
+        else {
+            v.pop() // -> size, list, list
+            v.invokespecial(collectionType.internalName, "<init>", "()V", false) // -> size, list
+        }
+
+        v.visitLabel(nextLoopIteration)
+        v.swap() // -> list, size
+        v.dupX1() // -> size, list, size
+        v.ifeq(loopIsOver) // -> size, list
+        v.dup() // -> size, list, list
+        v.load(1, PARCEL_TYPE) // -> size, list, list, parcel
+        doReadValue(v) // -> size, list
+
+        v.swap() // -> list, size
+        v.aconst(-1) // -> list, size, (-1)
+        v.add(Type.INT_TYPE) // -> list, (size - 1)
+
+        v.swap() // -> size, list
+        v.goTo(nextLoopIteration)
+
+        v.visitLabel(loopIsOver)
+        v.swap()
+        v.pop()
+    }
+}
+
+internal class SparseArrayParcelSerializer(override val asmType: Type, private val valueSerializer: ParcelSerializer) : ParcelSerializer {
+    private val valueType = (valueSerializer as? PrimitiveTypeParcelSerializer)?.asmType ?: Type.getObjectType("java/lang/Object")
+
+    override fun writeValue(v: InstructionAdapter) {
+        v.dup() // -> parcel, arr, arr
+        v.invokevirtual(asmType.internalName, "size", "()I", false) // -> parcel, arr, size
+        v.dup2X1() // -> arr, size, parcel, arr, size
+        v.swap() // -> arr, size, parcel, size, arr
+        v.pop() // -> arr, size, parcel, size
+        v.invokevirtual(PARCEL_TYPE.internalName, "writeInt", "(I)V", false) // -> arr, size
+
+        v.aconst(0) // -> arr, size, <index>
+
+        val nextLoopIteration = Label()
+        val loopIsOver = Label()
+
+        v.visitLabel(nextLoopIteration)
+        v.dup2() // -> arr, size, index, size, index
+        v.ificmple(loopIsOver) // -> arr, size, index
+
+        v.swap() // -> arr, index, size
+        v.dupX2() // -> size, arr, index, size
+        v.pop() // -> size, arr, index
+        v.dup2() // -> size, arr, index, arr, index
+        v.invokevirtual(asmType.internalName, "keyAt", "(I)I", false) // -> size, arr, index, key
+        v.load(1, PARCEL_TYPE) // size, arr, index, key, parcel
+        v.dupX2() // -> size, arr, parcel, index, key, parcel
+        v.swap() // -> size, arr, parcel, index, parcel, key
+        v.invokevirtual(PARCEL_TYPE.internalName, "writeInt", "(I)V", false) // -> size, arr, parcel, index
+
+        v.swap() // -> size, arr, index, parcel
+        v.dupX2() // -> size, parcel, arr, index, parcel
+        v.pop() // -> size, parcel, arr, index
+        v.dup2X1() // -> size, arr, index, parcel, arr, index
+        v.invokevirtual(asmType.internalName, "valueAt", "(I)${valueType.descriptor}", false) // -> size, arr, index, parcel, value
+        valueSerializer.writeValue(v) // -> size, arr, index
+
+        v.aconst(1) // -> size, arr, index, (1)
+        v.add(Type.INT_TYPE) // -> size, arr, (index + 1)
+        v.dup2X1() // -> arr, (index + 1), size, arr, (index + 1)
+        v.pop2() // -> arr, (index + 1), size
+        v.swap() // -> arr, size, (index + 1)
+        v.goTo(nextLoopIteration)
+
+        v.visitLabel(loopIsOver)
+        v.pop2()
+        v.pop()
+    }
+
+    override fun readValue(v: InstructionAdapter) {
+        v.invokevirtual(PARCEL_TYPE.internalName, "readInt", "()I", false) // -> size
+        v.dup() // -> size, size
+        v.anew(asmType) // -> size, size, arr
+        v.dupX2() // -> arr, size, size, arr
+        v.swap() // -> arr, size, arr, size
+        v.invokespecial(asmType.internalName, "<init>", "(I)V", false) // -> arr, size
+
+        val nextLoopIteration = Label()
+        val loopIsOver = Label()
+
+        v.visitLabel(nextLoopIteration)
+        v.dup() // -> arr, size, size
+        v.ifle(loopIsOver) // -> arr, size
+        v.swap() // -> size, arr
+        v.dupX1() // -> arr, size, arr
+
+        v.load(1, PARCEL_TYPE) // -> arr, size, arr, parcel
+        v.dup() // -> arr, size, arr, parcel, parcel
+        v.invokevirtual(PARCEL_TYPE.internalName, "readInt", "()I", false) // -> arr, size, arr, parcel, key
+        v.swap() // -> arr, size, arr, key, parcel
+        valueSerializer.readValue(v) // -> arr, size, arr, key, value
+        v.invokevirtual(asmType.internalName, "put", "(I${valueType.descriptor})V", false) // -> arr, size
+        v.aconst(-1) // -> arr, size, (-1)
+        v.add(Type.INT_TYPE) // -> arr, (size - 1)
+        v.goTo(nextLoopIteration)
+
+        v.visitLabel(loopIsOver)
+        v.pop() // -> arr
+    }
+}
+
+internal class NullAwareParcelSerializerWrapper(val delegate: ParcelSerializer) : ParcelSerializer {
+    override val asmType: Type
+        get() = delegate.asmType
+
+    override fun writeValue(v: InstructionAdapter) = writeValueNullAware(v) {
+        delegate.writeValue(v)
+    }
+
+    override fun readValue(v: InstructionAdapter) = readValueNullAware(v) {
+        delegate.readValue(v)
+    }
+}
+
+/** write...() and get...() methods in Android should support passing `null` values. */
+internal class NullCompliantObjectParcelSerializer(
+        override val asmType: Type,
+        writeMethod: Method<String?>,
+        readMethod: Method<String?>
+) : ParcelSerializer {
+    private val writeMethod = Method(writeMethod.name, writeMethod.signature ?: "(${asmType.descriptor})V")
+    private val readMethod = Method(readMethod.name, readMethod.signature ?: "()${asmType.descriptor}")
+
+    override fun writeValue(v: InstructionAdapter) {
+        v.invokevirtual(PARCEL_TYPE.internalName, writeMethod.name, writeMethod.signature, false)
+    }
+
+    override fun readValue(v: InstructionAdapter) {
+        v.invokevirtual(PARCEL_TYPE.internalName, readMethod.name, readMethod.signature, false)
+        v.castIfNeeded(asmType)
+    }
+}
+
+internal class BoxedPrimitiveTypeParcelSerializer private constructor(val unboxedType: Type) : ParcelSerializer {
+    companion object {
+        private val BOXED_TO_UNBOXED_TYPE_MAPPINGS = mapOf(
+                "java/lang/Boolean" to Type.BOOLEAN_TYPE,
+                "java/lang/Character" to Type.CHAR_TYPE,
+                "java/lang/Byte" to Type.BYTE_TYPE,
+                "java/lang/Short" to Type.SHORT_TYPE,
+                "java/lang/Integer" to Type.INT_TYPE,
+                "java/lang/Float" to Type.FLOAT_TYPE,
+                "java/lang/Long" to Type.LONG_TYPE,
+                "java/lang/Double" to Type.DOUBLE_TYPE)
+
+        private val UNBOXED_TO_BOXED_TYPE_MAPPINGS = BOXED_TO_UNBOXED_TYPE_MAPPINGS.map { it.value to it.key }.toMap()
+
+        private val BOXED_VALUE_METHOD_NAMES = mapOf(
+                "java/lang/Boolean" to "booleanValue",
+                "java/lang/Character" to "charValue",
+                "java/lang/Byte" to "byteValue",
+                "java/lang/Short" to "shortValue",
+                "java/lang/Integer" to "intValue",
+                "java/lang/Float" to "floatValue",
+                "java/lang/Long" to "longValue",
+                "java/lang/Double" to "doubleValue")
+
+        private val INSTANCES = BOXED_TO_UNBOXED_TYPE_MAPPINGS.values.map { type ->
+            type to BoxedPrimitiveTypeParcelSerializer(type)
+        }.toMap()
+
+        fun forUnboxedType(type: Type) = INSTANCES[type] ?: error("Unsupported type $type")
+        fun forBoxedType(type: Type) = INSTANCES[BOXED_TO_UNBOXED_TYPE_MAPPINGS[type.internalName]] ?: error("Unsupported type $type")
+    }
+
+    override val asmType: Type = Type.getObjectType(UNBOXED_TO_BOXED_TYPE_MAPPINGS[unboxedType] ?: error("Unsupported type $unboxedType"))
+    val unboxedSerializer = PrimitiveTypeParcelSerializer.getInstance(unboxedType)
+    val typeValueMethodName = BOXED_VALUE_METHOD_NAMES[asmType.internalName]!!
+
+    override fun writeValue(v: InstructionAdapter) {
+        v.invokevirtual(asmType.internalName, typeValueMethodName, "()${unboxedType.descriptor}", false)
+        unboxedSerializer.writeValue(v)
+    }
+
+    override fun readValue(v: InstructionAdapter) {
+        unboxedSerializer.readValue(v)
+        v.invokestatic(asmType.internalName, "valueOf", "(${unboxedType.descriptor})${asmType.descriptor}", false)
+    }
+}
+
+internal open class PrimitiveTypeParcelSerializer private constructor(final override val asmType: Type) : ParcelSerializer {
+    companion object {
+        private val WRITE_METHOD_NAMES = mapOf(
+                Type.BOOLEAN_TYPE to Method("writeInt", "(I)V"),
+                Type.CHAR_TYPE to Method("writeInt", "(I)V"),
+                Type.BYTE_TYPE to Method("writeByte", "(B)V"),
+                Type.SHORT_TYPE to Method("writeInt", "(I)V"),
+                Type.INT_TYPE to Method("writeInt", "(I)V"),
+                Type.FLOAT_TYPE to Method("writeFloat", "(F)V"),
+                Type.LONG_TYPE to Method("writeLong", "(J)V"),
+                Type.DOUBLE_TYPE to Method("writeDouble", "(D)V"))
+
+        private val READ_METHOD_NAMES = mapOf(
+                Type.BOOLEAN_TYPE to Method("readInt", "()I"),
+                Type.CHAR_TYPE to Method("readInt", "()I"),
+                Type.BYTE_TYPE to Method("readByte", "()B"),
+                Type.SHORT_TYPE to Method("readInt", "()I"),
+                Type.INT_TYPE to Method("readInt", "()I"),
+                Type.FLOAT_TYPE to Method("readFloat", "()F"),
+                Type.LONG_TYPE to Method("readLong", "()J"),
+                Type.DOUBLE_TYPE to Method("readDouble", "()D"))
+
+        private val INSTANCES = READ_METHOD_NAMES.keys.map {
+            it to when (it) {
+                Type.CHAR_TYPE -> CharParcelSerializer
+                Type.SHORT_TYPE -> ShortParcelSerializer
+                else -> PrimitiveTypeParcelSerializer(it)
+            }
+        }.toMap()
+
+        fun getInstance(type: Type) = INSTANCES[type] ?: error("Unsupported type ${type.descriptor}")
+    }
+
+    object CharParcelSerializer : PrimitiveTypeParcelSerializer(Type.CHAR_TYPE) {
+        override fun writeValue(v: InstructionAdapter) {
+            v.cast(Type.CHAR_TYPE, Type.INT_TYPE)
+            super.writeValue(v)
+        }
+
+        override fun readValue(v: InstructionAdapter) {
+            super.readValue(v)
+            v.cast(Type.INT_TYPE, Type.CHAR_TYPE)
+        }
+    }
+
+    object ShortParcelSerializer : PrimitiveTypeParcelSerializer(Type.SHORT_TYPE) {
+        override fun writeValue(v: InstructionAdapter) {
+            v.cast(Type.SHORT_TYPE, Type.INT_TYPE)
+            super.writeValue(v)
+        }
+
+        override fun readValue(v: InstructionAdapter) {
+            super.readValue(v)
+            v.cast(Type.INT_TYPE, Type.SHORT_TYPE)
+        }
+    }
+
+    private val writeMethod = WRITE_METHOD_NAMES[asmType]!!
+    private val readMethod = READ_METHOD_NAMES[asmType]!!
+
+    override fun writeValue(v: InstructionAdapter) {
+        v.invokevirtual(PARCEL_TYPE.internalName, writeMethod.name, writeMethod.signature, false)
+    }
+
+    override fun readValue(v: InstructionAdapter) {
+        v.invokevirtual(PARCEL_TYPE.internalName, readMethod.name, readMethod.signature, false)
+    }
+}
+
+private fun readValueNullAware(v: InstructionAdapter, block: () -> Unit) {
+    val labelNull = Label()
+    val labelReturn = Label()
+
+    v.invokevirtual(PARCEL_TYPE.internalName, "readInt", "()I", false)
+    v.ifeq(labelNull)
+
+    v.load(1, PARCEL_TYPE)
+    block()
+    v.goTo(labelReturn)
+
+    // Just push null on stack if the value is null
+    v.visitLabel(labelNull)
+    v.aconst(null)
+
+    v.visitLabel(labelReturn)
+}
+
+private fun writeValueNullAware(v: InstructionAdapter, block: () -> Unit) {
+    val labelReturn = Label()
+    val labelNull = Label()
+    v.dup()
+    v.ifnull(labelNull)
+
+    // Write 1 if non-null, 0 if null
+
+    v.load(1, PARCEL_TYPE)
+    v.aconst(1)
+    v.invokevirtual(PARCEL_TYPE.internalName, "writeInt", "(I)V", false)
+    block()
+
+    v.goTo(labelReturn)
+
+    labelNull@ v.visitLabel(labelNull)
+    v.pop()
+    v.aconst(0)
+    v.invokevirtual(PARCEL_TYPE.internalName, "writeInt", "(I)V", false)
+
+    labelReturn@ v.visitLabel(labelReturn)
+}
+
+internal class Method<out T : String?>(val name: String, val signature: T) {
+    companion object {
+        operator fun invoke(name: String) = Method(name, null)
+    }
+}

plugins/android-extensions/android-extensions-compiler/src/org/jetbrains/kotlin/android/synthetic/AndroidComponentRegistrar.kt

@@ -18,6 +18,9 @@ package org.jetbrains.kotlin.android.synthetic
 
 import com.intellij.mock.MockProject
 import com.intellij.openapi.extensions.Extensions
+import com.intellij.openapi.project.Project
+import org.jetbrains.kotlin.android.parcel.ParcelableCodegenExtension
+import org.jetbrains.kotlin.android.parcel.ParcelableResolveExtension
 import org.jetbrains.kotlin.android.synthetic.codegen.AndroidOnDestroyClassBuilderInterceptorExtension
 import org.jetbrains.kotlin.android.synthetic.codegen.CliAndroidExtensionsExpressionCodegenExtension
 import org.jetbrains.kotlin.android.synthetic.diagnostic.AndroidExtensionPropertiesCallChecker
@@ -41,6 +44,8 @@ import org.jetbrains.kotlin.extensions.StorageComponentContainerContributor
 import org.jetbrains.kotlin.resolve.TargetPlatform
 import org.jetbrains.kotlin.resolve.jvm.extensions.PackageFragmentProviderExtension
 import org.jetbrains.kotlin.resolve.jvm.platform.JvmPlatform
+import org.jetbrains.kotlin.android.synthetic.codegen.ParcelableClinitClassBuilderInterceptorExtension
+import org.jetbrains.kotlin.resolve.extensions.SyntheticResolveExtension
 
 object AndroidConfigurationKeys {
     val VARIANT: CompilerConfigurationKey<List<String>> = CompilerConfigurationKey.create<List<String>>("Android build variant")
@@ -75,7 +80,17 @@ class AndroidCommandLineProcessor : CommandLineProcessor {
 }
 
 class AndroidComponentRegistrar : ComponentRegistrar {
+    companion object {
+        fun registerParcelExtensions(project: Project) {
+            ExpressionCodegenExtension.registerExtension(project, ParcelableCodegenExtension())
+            SyntheticResolveExtension.registerExtension(project, ParcelableResolveExtension())
+            ClassBuilderInterceptorExtension.registerExtension(project, ParcelableClinitClassBuilderInterceptorExtension())
+        }
+    }
+
     override fun registerProjectComponents(project: MockProject, configuration: CompilerConfiguration) {
+        registerParcelExtensions(project)
+
         val applicationPackage = configuration.get(AndroidConfigurationKeys.PACKAGE)
         val variants = configuration.get(AndroidConfigurationKeys.VARIANT)?.mapNotNull { parseVariant(it) } ?: emptyList()
         val isExperimental = configuration.get(AndroidConfigurationKeys.EXPERIMENTAL) == "true"

plugins/android-extensions/android-extensions-compiler/testData/codegen/android/FakeParcel.kt

@@ -0,0 +1,14 @@
+package android.os
+
+class Parcel
+
+interface Parcelable {
+    fun describeContents(): Int
+
+    fun writeToParcel(parcel: Parcel, flags: Int)
+
+    interface Creator<T> {
+        fun createFromParcel(parcel: Parcel): T
+        fun newArray(size: Int): Array<T>
+    }
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/arraySimple.kt

@@ -0,0 +1,38 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+import java.util.Arrays
+
+@MagicParcel
+data class Test(val a: Array<String>) : Parcelable {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other?.javaClass != javaClass) return false
+
+        other as Test
+
+        if (!Arrays.equals(a, other.a)) return false
+
+        return true
+    }
+
+    override fun hashCode() = Arrays.hashCode(a)
+}
+
+fun box() = parcelTest { parcel ->
+    val first = Test(arrayOf("A", "B"))
+
+    first.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<Test>(parcel)
+
+    assert(first == first2)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/arrays.kt

@@ -0,0 +1,76 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+import java.util.Arrays
+
+@MagicParcel
+data class Test(
+        val a: Array<String>,
+        val b: Array<String?>,
+        val c: IntArray,
+        val d: CharArray?,
+        val e: Array<IntArray>,
+        val f: Array<List<String>>,
+        val g: List<Array<String>>,
+        val h: Array<String>?
+) : Parcelable {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other?.javaClass != javaClass) return false
+
+        other as Test
+
+        if (!Arrays.equals(a, other.a)) return false
+        if (!Arrays.equals(b, other.b)) return false
+        if (!Arrays.equals(c, other.c)) return false
+        if (!Arrays.equals(d, other.d)) return false
+        if (!Arrays.deepEquals(e, other.e)) return false
+        if (!Arrays.equals(f, other.f)) return false
+
+        if (g.size != other.g.size) return false
+        if (!g.zip(other.g).all { (f, s) -> Arrays.equals(f, s) }) return false
+
+        if (!Arrays.equals(h, other.h)) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = Arrays.hashCode(a)
+        result = 31 * result + Arrays.hashCode(b)
+        result = 31 * result + Arrays.hashCode(c)
+        result = 31 * result + (d?.let { Arrays.hashCode(it) } ?: 0)
+        result = 31 * result + Arrays.hashCode(e)
+        result = 31 * result + Arrays.hashCode(f)
+        result = 31 * result + g.hashCode()
+        result = 31 * result + (h?.let { Arrays.hashCode(it) } ?: 0)
+        return result
+    }
+}
+
+fun box() = parcelTest { parcel ->
+    val first = Test(
+            a = arrayOf("A", "B", "C"),
+            b = arrayOf("A", null, "B"),
+            c = intArrayOf(1, 2, 3),
+            d = null,
+            e = arrayOf(intArrayOf(2, 4, 1), intArrayOf(10, 20)),
+            f = arrayOf(listOf("A"), listOf("B", "C")),
+            g = listOf(arrayOf("Z", "X"), arrayOf()),
+            h = arrayOf("")
+    )
+
+    first.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<Test>(parcel)
+
+    assert(first == first2)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/boxedTypes.kt

@@ -0,0 +1,41 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+
+@MagicParcel
+data class BoxedTypes(
+        val boo: java.lang.Boolean,
+        val c: java.lang.Character,
+        val byt: java.lang.Byte,
+        val s: java.lang.Short,
+        val i: java.lang.Integer,
+        val f: java.lang.Float,
+        val l: java.lang.Long,
+        val d: java.lang.Double
+) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = BoxedTypes(
+            true as java.lang.Boolean,
+            '#' as java.lang.Character,
+            3.toByte() as java.lang.Byte,
+            10.toShort() as java.lang.Short,
+            -300 as java.lang.Integer,
+            -5.0f as java.lang.Float,
+            Long.MAX_VALUE as java.lang.Long,
+            3.14 as java.lang.Double)
+
+    first.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<BoxedTypes>(parcel)
+
+    assert(first == first2)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/bundle.kt

@@ -0,0 +1,34 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+import android.os.Bundle
+
+@MagicParcel
+data class User(val a: Bundle) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val test = User(Bundle().apply { putChar("A", 'c'); putByte("B", 40.toByte()); putString("C", "ABC") })
+    test.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val test2 = readFromParcel<User>(parcel)
+
+    assert(compareBundles(test.a, test2.a))
+}
+
+private fun compareBundles(first: Bundle, second: Bundle): Boolean {
+    if (first.size() != second.size()) return false
+
+    for (key in first.keySet()) {
+        if (first.get(key) != second.get(key)) return false
+    }
+
+    return true
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/listKinds.kt

@@ -0,0 +1,48 @@
+// WITH_RUNTIME
+// FULL_JDK
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+import java.util.*
+
+@MagicParcel
+data class Test(
+        val a: List<String>,
+        val b: MutableList<String>,
+        val c: ArrayList<String>,
+        val d: LinkedList<String>,
+        val e: Set<String>,
+        val f: MutableSet<String>,
+        val g: TreeSet<String>,
+        val h: HashSet<String>,
+        val i: LinkedHashSet<String>
+) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = Test(
+            a = listOf("A"),
+            b = mutableListOf("B"),
+            c = ArrayList<String>().apply { this += "C" },
+            d = LinkedList<String>().apply { this += "D" },
+            e = setOf("E"),
+            f = mutableSetOf("F"),
+            g = TreeSet<String>().apply { this += "G" },
+            h = HashSet<String>().apply { this += "H" },
+            i = LinkedHashSet<String>().apply { this += "I" }
+    )
+
+    first.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<Test>(parcel)
+
+    assert(first == first2)
+    assert((first.d as LinkedList<*>).size == 1)
+    assert((first2.h as HashSet<*>).size == 1)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/listSimple.kt

@@ -0,0 +1,24 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+
+@MagicParcel
+data class Test(val a: List<String>) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = Test(listOf("A", "B"))
+
+    first.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<Test>(parcel)
+
+    assert(first == first2)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/lists.kt

@@ -0,0 +1,41 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+
+@MagicParcel
+data class Test(
+        val a: List<String>,
+        val b: List<String?>,
+        val c: List<Int>,
+        val d: List<Int?>,
+        val e: List<List<String>?>,
+        val f: List<List<List<Int>>>
+) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = Test(
+            a = listOf("A", "B"),
+            b = listOf("A", null, "C"),
+            c = listOf(1, 2, 3),
+            d = listOf(1, null, 5),
+            e = listOf(listOf("A", "B"), listOf(), null),
+            f = listOf(listOf(listOf(1, 2), listOf(3)), listOf(listOf(5, 3)))
+    )
+
+    first.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<Test>(parcel)
+
+    assert(first == first2)
+
+    assert(first2.a == listOf("A", "B"))
+    assert(first2.b.size == 3)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/mapKinds.kt

@@ -0,0 +1,40 @@
+// WITH_RUNTIME
+// FULL_JDK
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+import java.util.*
+
+@MagicParcel
+data class Test(
+        val a: Map<String, String>,
+        val b: MutableMap<String, String>,
+        val c: HashMap<String, String>,
+        val d: LinkedHashMap<String, String>,
+        val e: TreeMap<String, String>
+) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = Test(
+            a = mapOf("A" to "B"),
+            b = mutableMapOf("A" to "B"),
+            c = HashMap<String, String>().apply { put("A", "B") },
+            d = LinkedHashMap<String, String>().apply { put("A", "B") },
+            e = TreeMap<String, String>().apply { put("A", "B") }
+    )
+
+    first.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<Test>(parcel)
+
+    assert(first == first2)
+    assert((first.c as HashMap<*, *>).size == 1)
+    assert((first2.e as TreeMap<*, *>).size == 1)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/mapSimple.kt

@@ -0,0 +1,24 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+
+@MagicParcel
+data class Test(val a: Map<String, String>) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = Test(mapOf("A" to "B", "C" to "D"))
+
+    first.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<Test>(parcel)
+
+    assert(first == first2)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/maps.kt

@@ -0,0 +1,40 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+
+@MagicParcel
+data class Test(
+        val a: Map<String, String>,
+        val b: Map<String?, String>,
+        val c: Map<String, String?>,
+        val d: Map<String, Map<Int, String>>,
+        val e: Map<Int?, List<String>>,
+        val f: Map<Boolean, Boolean>,
+        val g: Map<String, Map<String, Map<String, String>>>
+) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = Test(
+            a = mapOf("A" to "B", "C" to "D"),
+            b = mapOf("A" to "B", null to "D", "E" to "F"),
+            c = mapOf("A" to null, "C" to "D"),
+            d = mapOf("A" to mapOf(1 to "", 2 to "x")),
+            e = mapOf(1 to listOf("", ""), null to listOf()),
+            f = mapOf(true to false, false to true),
+            g = mapOf("A" to mapOf("B" to mapOf("C" to "D", "E" to "F")))
+    )
+
+    first.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<Test>(parcel)
+
+    assert(first == first2)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/nullableTypes.kt

@@ -0,0 +1,33 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+
+@MagicParcel
+data class Test(
+    val str1: String,
+    val str2: String?,
+    val int1: Int,
+    val int2: Int?
+) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = Test("John", "Smith", 20, 30)
+    val second = Test("A", null, 20, null)
+
+    first.writeToParcel(parcel, 0)
+    second.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<Test>(parcel)
+    val second2 = readFromParcel<Test>(parcel)
+
+    assert(first == first2)
+    assert(second == second2)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/nullableTypesSimple.kt

@@ -0,0 +1,28 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+
+@MagicParcel
+data class Test(val a: String?) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = Test("John")
+    val second = Test(null)
+
+    first.writeToParcel(parcel, 0)
+    second.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<Test>(parcel)
+    val second2 = readFromParcel<Test>(parcel)
+
+    assert(first == first2)
+    assert(second == second2)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/primitiveTypes.kt

@@ -0,0 +1,38 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+
+@MagicParcel
+data class PrimitiveTypes(
+        val boo: Boolean,
+        val c: Char,
+        val byt: Byte,
+        val s: Short,
+        val i: Int,
+        val f: Float,
+        val l: Long,
+        val d: Double
+) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = PrimitiveTypes(true, '#', 3.toByte(), 10.toShort(), -300, -5.0f, Long.MAX_VALUE, 3.14)
+    val second = PrimitiveTypes(false, '\n', Byte.MIN_VALUE, Short.MIN_VALUE, Int.MIN_VALUE, Float.POSITIVE_INFINITY,
+                                Long.MAX_VALUE, Double.NEGATIVE_INFINITY)
+
+    first.writeToParcel(parcel, 0)
+    second.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val first2 = readFromParcel<PrimitiveTypes>(parcel)
+    val second2 = readFromParcel<PrimitiveTypes>(parcel)
+
+    assert(first == first2)
+    assert(second == second2)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/simple.kt

@@ -0,0 +1,22 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+
+@MagicParcel
+data class User(val firstName: String, val secondName: String, val age: Int) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val user = User("John", "Smith", 20)
+    user.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val user2 = readFromParcel<User>(parcel)
+    assert(user == user2)
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/sparseArrays.kt

@@ -0,0 +1,70 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+import android.util.*
+
+@MagicParcel
+data class Data(val a: String, val b: String) : Parcelable
+
+@MagicParcel
+data class User(val a: SparseIntArray, val b: SparseLongArray, val c: SparseArray<Data>) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val user = User(
+            a = SparseIntArray().apply { put(1, 5); put(100, -1); put(1000, 0) },
+            b = SparseLongArray().apply { put(3, 2); put(2, 3); put(10, 10) },
+            c = SparseArray<Data>().apply { put(1, Data("A", "B")); put(10, Data("C", "D")); put(105, Data("E", "")) }
+    )
+
+    user.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val user2 = readFromParcel<User>(parcel)
+
+    assert(compareSparseIntArrays(user.a, user2.a))
+    assert(compareSparseLongArrays(user.b, user2.b))
+    assert(compareSparseArrays(user.c, user2.c))
+}
+
+private fun compareSparseIntArrays(first: SparseIntArray, second: SparseIntArray): Boolean {
+    if (first === second) return true
+    if (first.size() != second.size()) return false
+
+    for (i in 0 until first.size()) {
+        if (first.keyAt(i) != second.keyAt(i)) return false
+        if (first.valueAt(i) != second.valueAt(i)) return false
+    }
+
+    return true
+}
+
+private fun compareSparseLongArrays(first: SparseLongArray, second: SparseLongArray): Boolean {
+    if (first === second) return true
+    if (first.size() != second.size()) return false
+
+    for (i in 0 until first.size()) {
+        if (first.keyAt(i) != second.keyAt(i)) return false
+        if (first.valueAt(i) != second.valueAt(i)) return false
+    }
+
+    return true
+}
+
+private fun compareSparseArrays(first: SparseArray<*>, second: SparseArray<*>): Boolean {
+    if (first === second) return true
+    if (first.size() != second.size()) return false
+
+    for (i in 0 until first.size()) {
+        if (first.keyAt(i) != second.keyAt(i)) return false
+        if (first.valueAt(i) != second.valueAt(i)) return false
+    }
+
+    return true
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/sparseBooleanArray.kt

@@ -0,0 +1,36 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.android.parcel.*
+import android.os.Parcel
+import android.os.Parcelable
+import android.util.SparseBooleanArray
+
+@MagicParcel
+data class User(val a: SparseBooleanArray) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val test = User(SparseBooleanArray().apply { put(1, false); put(5, true); put(1000, false) })
+    test.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+
+    val test2 = readFromParcel<User>(parcel)
+
+    assert(compareSparseBooleanArrays(test.a, test2.a))
+}
+
+private fun compareSparseBooleanArrays(first: SparseBooleanArray, second: SparseBooleanArray): Boolean {
+    if (first === second) return true
+    if (first.size() != second.size()) return false
+
+    for (i in 0 until first.size()) {
+        if (first.keyAt(i) != second.keyAt(i)) return false
+        if (first.valueAt(i) != second.valueAt(i)) return false
+    }
+
+    return true
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/boxLib.kt

@@ -0,0 +1,18 @@
+package test
+
+import android.os.Parcel
+
+fun parcelTest(block: (Parcel) -> Unit): String {
+    val parcel = Parcel.obtain()
+    try {
+        block(parcel)
+        return "OK"
+    } finally {
+        parcel.recycle()
+    }
+}
+
+inline fun <reified T> readFromParcel(parcel: Parcel): T {
+    val creator = T::class.java.getDeclaredField("CREATOR").get(null)
+    return creator::class.java.getDeclaredMethod("createFromParcel", Parcel::class.java).invoke(creator, parcel) as T
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/listInsideList.kt

@@ -0,0 +1,6 @@
+// CURIOUS_ABOUT writeToParcel
+
+import kotlinx.android.parcel.*
+
+@MagicParcel
+class Test(val names: List<List<List<String>>>)

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/listInsideList.txt

@@ -0,0 +1,82 @@
+public static class Test$CREATOR : java/lang/Object, android/os/Parcelable$Creator {
+    public void <init>()
+
+    public final Test createFromParcel(android.os.Parcel p0)
+
+    public final Test[] newArray(int p0)
+}
+
+public final class Test : java/lang/Object {
+    public final static Test$CREATOR CREATOR
+
+    private final java.util.List names
+
+    static void <clinit>()
+
+    public void <init>(java.util.List p0)
+
+    public final int describeContents()
+
+    public final java.util.List getNames()
+
+    public final void writeToParcel(android.os.Parcel p0, int p1) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (parcel)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (names, Ljava/util/List;)
+          DUP_X1
+          INVOKEINTERFACE (java/util/Collection, size, ()I)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+          INVOKEINTERFACE (java/util/Collection, iterator, ()Ljava/util/Iterator;)
+        LABEL (L1)
+          DUP
+          INVOKEINTERFACE (java/util/Iterator, hasNext, ()Z)
+          IFEQ (L2)
+          DUP
+          INVOKEINTERFACE (java/util/Iterator, next, ()Ljava/lang/Object;)
+          ALOAD (1)
+          SWAP
+          CHECKCAST
+          DUP_X1
+          INVOKEINTERFACE (java/util/Collection, size, ()I)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+          INVOKEINTERFACE (java/util/Collection, iterator, ()Ljava/util/Iterator;)
+        LABEL (L3)
+          DUP
+          INVOKEINTERFACE (java/util/Iterator, hasNext, ()Z)
+          IFEQ (L4)
+          DUP
+          INVOKEINTERFACE (java/util/Iterator, next, ()Ljava/lang/Object;)
+          ALOAD (1)
+          SWAP
+          CHECKCAST
+          DUP_X1
+          INVOKEINTERFACE (java/util/Collection, size, ()I)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+          INVOKEINTERFACE (java/util/Collection, iterator, ()Ljava/util/Iterator;)
+        LABEL (L5)
+          DUP
+          INVOKEINTERFACE (java/util/Iterator, hasNext, ()Z)
+          IFEQ (L6)
+          DUP
+          INVOKEINTERFACE (java/util/Iterator, next, ()Ljava/lang/Object;)
+          ALOAD (1)
+          SWAP
+          CHECKCAST
+          INVOKEVIRTUAL (android/os/Parcel, writeString, (Ljava/lang/String;)V)
+          GOTO (L5)
+        LABEL (L6)
+          POP
+          GOTO (L3)
+        LABEL (L4)
+          POP
+          GOTO (L1)
+        LABEL (L2)
+          POP
+          RETURN
+        LABEL (L7)
+    }
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/nullableNotNullSize.kt

@@ -0,0 +1,10 @@
+// CURIOUS_ABOUT writeToParcel
+
+import android.util.Size
+import kotlinx.android.parcel.*
+
+@MagicParcel
+class TestNullable(val a: Size?)
+
+@MagicParcel
+class TestNotNull(val a: Size)

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/nullableNotNullSize.txt

@@ -0,0 +1,80 @@
+public static class TestNotNull$CREATOR : java/lang/Object, android/os/Parcelable$Creator {
+    public void <init>()
+
+    public final TestNotNull createFromParcel(android.os.Parcel p0)
+
+    public final TestNotNull[] newArray(int p0)
+}
+
+public final class TestNotNull : java/lang/Object {
+    public final static TestNotNull$CREATOR CREATOR
+
+    private final android.util.Size a
+
+    static void <clinit>()
+
+    public void <init>(android.util.Size p0)
+
+    public final int describeContents()
+
+    public final android.util.Size getA()
+
+    public final void writeToParcel(android.os.Parcel p0, int p1) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (parcel)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (a, Landroid/util/Size;)
+          INVOKEVIRTUAL (android/os/Parcel, writeSize, (Landroid/util/Size;)V)
+          RETURN
+        LABEL (L1)
+    }
+}
+
+public static class TestNullable$CREATOR : java/lang/Object, android/os/Parcelable$Creator {
+    public void <init>()
+
+    public final TestNullable createFromParcel(android.os.Parcel p0)
+
+    public final TestNullable[] newArray(int p0)
+}
+
+public final class TestNullable : java/lang/Object {
+    public final static TestNullable$CREATOR CREATOR
+
+    private final android.util.Size a
+
+    static void <clinit>()
+
+    public void <init>(android.util.Size p0)
+
+    public final int describeContents()
+
+    public final android.util.Size getA()
+
+    public final void writeToParcel(android.os.Parcel p0, int p1) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (parcel)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (a, Landroid/util/Size;)
+          DUP
+          IFNULL (L1)
+          ALOAD (1)
+          LDC (1)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+          INVOKEVIRTUAL (android/os/Parcel, writeSize, (Landroid/util/Size;)V)
+          GOTO (L2)
+        LABEL (L1)
+          POP
+          LDC (0)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+        LABEL (L2)
+          RETURN
+        LABEL (L3)
+    }
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/serializable.kt

@@ -0,0 +1,10 @@
+// CURIOUS_ABOUT writeToParcel, createFromParcel, <clinit>
+
+import kotlinx.android.parcel.*
+import android.os.Parcelable
+import java.io.Serializable
+
+class SerializableSimple(val a: String, val b: String) : Serializable
+
+@MagicParcel
+class User(val notNull: SerializableSimple, val nullable: SerializableSimple) : Parcelable

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/serializable.txt

@@ -0,0 +1,74 @@
+public final class SerializableSimple : java/lang/Object, java/io/Serializable {
+    private final java.lang.String a
+
+    private final java.lang.String b
+
+    public void <init>(java.lang.String p0, java.lang.String p1)
+
+    public final java.lang.String getA()
+
+    public final java.lang.String getB()
+}
+
+public static class User$CREATOR : java/lang/Object, android/os/Parcelable$Creator {
+    public void <init>()
+
+    public final User createFromParcel(android.os.Parcel p0) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (in)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+          NEW
+          DUP
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readSerializable, ()LSerializableSimple;)
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readSerializable, ()LSerializableSimple;)
+          INVOKESPECIAL (User, <init>, (LSerializableSimple;LSerializableSimple;)V)
+          ARETURN
+        LABEL (L1)
+    }
+
+    public final User[] newArray(int p0)
+}
+
+public final class User : java/lang/Object, android/os/Parcelable {
+    public final static User$CREATOR CREATOR
+
+    private final SerializableSimple notNull
+
+    private final SerializableSimple nullable
+
+    static void <clinit>() {
+          NEW
+          DUP
+          INVOKESPECIAL (User$CREATOR, <init>, ()V)
+          PUTSTATIC (CREATOR, LUser$CREATOR;)
+          RETURN
+    }
+
+    public void <init>(SerializableSimple p0, SerializableSimple p1)
+
+    public final int describeContents()
+
+    public final SerializableSimple getNotNull()
+
+    public final SerializableSimple getNullable()
+
+    public final void writeToParcel(android.os.Parcel p0, int p1) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (parcel)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (notNull, LSerializableSimple;)
+          INVOKEVIRTUAL (android/os/Parcel, writeSerializable, (LSerializableSimple;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (nullable, LSerializableSimple;)
+          INVOKEVIRTUAL (android/os/Parcel, writeSerializable, (LSerializableSimple;)V)
+          RETURN
+        LABEL (L1)
+    }
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/simple.kt

@@ -0,0 +1,7 @@
+// CURIOUS_ABOUT writeToParcel, createFromParcel, <clinit>
+
+import kotlinx.android.parcel.*
+import android.os.Parcelable
+
+@MagicParcel
+class User(val firstName: String, val lastName: String, val age: Int, val isProUser: Boolean) : Parcelable

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/simple.txt

@@ -0,0 +1,82 @@
+public static class User$CREATOR : java/lang/Object, android/os/Parcelable$Creator {
+    public void <init>()
+
+    public final User createFromParcel(android.os.Parcel p0) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (in)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+          NEW
+          DUP
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readString, ()Ljava/lang/String;)
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readString, ()Ljava/lang/String;)
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readInt, ()I)
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readInt, ()I)
+          INVOKESPECIAL (User, <init>, (Ljava/lang/String;Ljava/lang/String;IZ)V)
+          ARETURN
+        LABEL (L1)
+    }
+
+    public final User[] newArray(int p0)
+}
+
+public final class User : java/lang/Object, android/os/Parcelable {
+    public final static User$CREATOR CREATOR
+
+    private final int age
+
+    private final java.lang.String firstName
+
+    private final boolean isProUser
+
+    private final java.lang.String lastName
+
+    static void <clinit>() {
+          NEW
+          DUP
+          INVOKESPECIAL (User$CREATOR, <init>, ()V)
+          PUTSTATIC (CREATOR, LUser$CREATOR;)
+          RETURN
+    }
+
+    public void <init>(java.lang.String p0, java.lang.String p1, int p2, boolean p3)
+
+    public final int describeContents()
+
+    public final int getAge()
+
+    public final java.lang.String getFirstName()
+
+    public final java.lang.String getLastName()
+
+    public final boolean isProUser()
+
+    public final void writeToParcel(android.os.Parcel p0, int p1) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (parcel)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (firstName, Ljava/lang/String;)
+          INVOKEVIRTUAL (android/os/Parcel, writeString, (Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (lastName, Ljava/lang/String;)
+          INVOKEVIRTUAL (android/os/Parcel, writeString, (Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (age, I)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (isProUser, Z)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+          RETURN
+        LABEL (L1)
+    }
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/simpleList.kt

@@ -0,0 +1,6 @@
+// CURIOUS_ABOUT writeToParcel
+
+import kotlinx.android.parcel.*
+
+@MagicParcel
+class Test(val names: List<String>)

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/simpleList.txt

@@ -0,0 +1,50 @@
+public static class Test$CREATOR : java/lang/Object, android/os/Parcelable$Creator {
+    public void <init>()
+
+    public final Test createFromParcel(android.os.Parcel p0)
+
+    public final Test[] newArray(int p0)
+}
+
+public final class Test : java/lang/Object {
+    public final static Test$CREATOR CREATOR
+
+    private final java.util.List names
+
+    static void <clinit>()
+
+    public void <init>(java.util.List p0)
+
+    public final int describeContents()
+
+    public final java.util.List getNames()
+
+    public final void writeToParcel(android.os.Parcel p0, int p1) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (parcel)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (names, Ljava/util/List;)
+          DUP_X1
+          INVOKEINTERFACE (java/util/Collection, size, ()I)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+          INVOKEINTERFACE (java/util/Collection, iterator, ()Ljava/util/Iterator;)
+        LABEL (L1)
+          DUP
+          INVOKEINTERFACE (java/util/Iterator, hasNext, ()Z)
+          IFEQ (L2)
+          DUP
+          INVOKEINTERFACE (java/util/Iterator, next, ()Ljava/lang/Object;)
+          ALOAD (1)
+          SWAP
+          CHECKCAST
+          INVOKEVIRTUAL (android/os/Parcel, writeString, (Ljava/lang/String;)V)
+          GOTO (L1)
+        LABEL (L2)
+          POP
+          RETURN
+        LABEL (L3)
+    }
+}

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/size.kt

@@ -0,0 +1,12 @@
+// CURIOUS_ABOUT writeToParcel, createFromParcel
+
+import kotlinx.android.parcel.*
+import android.os.Parcelable
+import android.util.Size
+import android.util.SizeF
+
+@MagicParcel
+data class Test(val size: Size, val nullable: Size?) : Parcelable
+
+@MagicParcel
+data class TestF(val size: SizeF, val nullable: SizeF?) : Parcelable

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/size.txt

@@ -0,0 +1,179 @@
+public static class Test$CREATOR : java/lang/Object, android/os/Parcelable$Creator {
+    public void <init>()
+
+    public final Test createFromParcel(android.os.Parcel p0) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (in)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L1)
+          NEW
+          DUP
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readSize, ()Landroid/util/Size;)
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readInt, ()I)
+          IFEQ (L2)
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readSize, ()Landroid/util/Size;)
+          GOTO (L3)
+        LABEL (L2)
+          ACONST_NULL
+        LABEL (L3)
+          INVOKESPECIAL (Test, <init>, (Landroid/util/Size;Landroid/util/Size;)V)
+          ARETURN
+        LABEL (L4)
+    }
+
+    public final Test[] newArray(int p0)
+}
+
+public final class Test : java/lang/Object, android/os/Parcelable {
+    public final static Test$CREATOR CREATOR
+
+    private final android.util.Size nullable
+
+    private final android.util.Size size
+
+    static void <clinit>()
+
+    public void <init>(android.util.Size p0, android.util.Size p1)
+
+    public final android.util.Size component1()
+
+    public final android.util.Size component2()
+
+    public final Test copy(android.util.Size p0, android.util.Size p1)
+
+    public static Test copy$default(Test p0, android.util.Size p1, android.util.Size p2, int p3, java.lang.Object p4)
+
+    public final int describeContents()
+
+    public boolean equals(java.lang.Object p0)
+
+    public final android.util.Size getNullable()
+
+    public final android.util.Size getSize()
+
+    public int hashCode()
+
+    public java.lang.String toString()
+
+    public final void writeToParcel(android.os.Parcel p0, int p1) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (parcel)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (size, Landroid/util/Size;)
+          INVOKEVIRTUAL (android/os/Parcel, writeSize, (Landroid/util/Size;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (nullable, Landroid/util/Size;)
+          DUP
+          IFNULL (L1)
+          ALOAD (1)
+          LDC (1)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+          INVOKEVIRTUAL (android/os/Parcel, writeSize, (Landroid/util/Size;)V)
+          GOTO (L2)
+        LABEL (L1)
+          POP
+          LDC (0)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+        LABEL (L2)
+          RETURN
+        LABEL (L3)
+    }
+}
+
+public static class TestF$CREATOR : java/lang/Object, android/os/Parcelable$Creator {
+    public void <init>()
+
+    public final TestF createFromParcel(android.os.Parcel p0) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (in)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L1)
+          NEW
+          DUP
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readSizeF, ()Landroid/util/SizeF;)
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readInt, ()I)
+          IFEQ (L2)
+          ALOAD (1)
+          INVOKEVIRTUAL (android/os/Parcel, readSizeF, ()Landroid/util/SizeF;)
+          GOTO (L3)
+        LABEL (L2)
+          ACONST_NULL
+        LABEL (L3)
+          INVOKESPECIAL (TestF, <init>, (Landroid/util/SizeF;Landroid/util/SizeF;)V)
+          ARETURN
+        LABEL (L4)
+    }
+
+    public final TestF[] newArray(int p0)
+}
+
+public final class TestF : java/lang/Object, android/os/Parcelable {
+    public final static TestF$CREATOR CREATOR
+
+    private final android.util.SizeF nullable
+
+    private final android.util.SizeF size
+
+    static void <clinit>()
+
+    public void <init>(android.util.SizeF p0, android.util.SizeF p1)
+
+    public final android.util.SizeF component1()
+
+    public final android.util.SizeF component2()
+
+    public final TestF copy(android.util.SizeF p0, android.util.SizeF p1)
+
+    public static TestF copy$default(TestF p0, android.util.SizeF p1, android.util.SizeF p2, int p3, java.lang.Object p4)
+
+    public final int describeContents()
+
+    public boolean equals(java.lang.Object p0)
+
+    public final android.util.SizeF getNullable()
+
+    public final android.util.SizeF getSize()
+
+    public int hashCode()
+
+    public java.lang.String toString()
+
+    public final void writeToParcel(android.os.Parcel p0, int p1) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (parcel)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkParameterIsNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (size, Landroid/util/SizeF;)
+          INVOKEVIRTUAL (android/os/Parcel, writeSizeF, (Landroid/util/SizeF;)V)
+          ALOAD (1)
+          ALOAD (0)
+          GETFIELD (nullable, Landroid/util/SizeF;)
+          DUP
+          IFNULL (L1)
+          ALOAD (1)
+          LDC (1)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+          INVOKEVIRTUAL (android/os/Parcel, writeSizeF, (Landroid/util/SizeF;)V)
+          GOTO (L2)
+        LABEL (L1)
+          POP
+          LDC (0)
+          INVOKEVIRTUAL (android/os/Parcel, writeInt, (I)V)
+        LABEL (L2)
+          RETURN
+        LABEL (L3)
+    }
+}

plugins/android-extensions/android-extensions-runtime/src/kotlinx/android/parcel/MagicParcel.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-2017 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.android.parcel
+
+/**
+ * Instructs the Kotlin compiler to generate `writeToParcel()`, `describeContents()` [android.os.Parcelable] methods,
+ * as well as a `CREATOR` factory class automatically.
+ *
+ * The annotation is applicable only to classes that implements [android.os.Parcelable] (directly or indirectly).
+ * Note that only the primary constructor properties will be serialized.
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.BINARY)
+annotation class MagicParcel