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Remove requirement on 'Serializable class must have single primary constructor'

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#KT-38868 Fixed
 #KT-41627 Fixed
 Fixes https://github.com/Kotlin/kotlinx.serialization/issues/396
 Fixes https://github.com/Kotlin/kotlinx.serialization/issues/1049
This commit is contained in:
Leonid Startsev
2020-09-22 18:25:19 +03:00
parent de8776ec1d
commit d4bdb0eedc
1 changed files with 12 additions and 5 deletions
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plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/GeneratorHelpers.kt
+12 -5
View File
@@ -442,12 +442,17 @@ interface IrBuilderExtension {
fun IrBuilderWithScope.classReference(classType: KotlinType): IrClassReference = createClassReference(classType, startOffset, endOffset)
fun buildInitializersRemapping(irClass: IrClass): (IrField) -> IrExpression? {
private fun extractDefaultValuesFromConstructor(irClass: IrClass?): Map<ParameterDescriptor, IrExpression?> {
if (irClass == null) return emptyMap()
val original = irClass.constructors.singleOrNull { it.isPrimary }
?: throw IllegalStateException("Serializable class must have single primary constructor")
// default arguments of original constructor
val defaultsMap: Map<ParameterDescriptor, IrExpression?> =
original.valueParameters.associate { it.descriptor to it.defaultValue?.expression }
original?.valueParameters?.associate { it.descriptor to it.defaultValue?.expression } ?: emptyMap()
return defaultsMap + extractDefaultValuesFromConstructor(irClass.getSuperClassNotAny())
}
fun buildInitializersRemapping(irClass: IrClass): (IrField) -> IrExpression? {
val defaultsMap = extractDefaultValuesFromConstructor(irClass)
return fun(f: IrField): IrExpression? {
val i = f.initializer?.expression ?: return null
val irExpression =
@@ -744,10 +749,12 @@ interface IrBuilderExtension {
return forClass.declarations.filterIsInstance<IrConstructor>().single { it.isSerializationCtor() }.symbol
}
fun IrClass.getSuperClassOrAny(): IrClass {
fun IrClass.getSuperClassOrAny(): IrClass = getSuperClassNotAny() ?: compilerContext.irBuiltIns.anyClass.owner
fun IrClass.getSuperClassNotAny(): IrClass? {
val superClasses = superTypes.mapNotNull { it.classOrNull }.map { it.owner }
return superClasses.singleOrNull { it.kind == ClassKind.CLASS } ?: compilerContext.irBuiltIns.anyClass.owner
return superClasses.singleOrNull { it.kind == ClassKind.CLASS }
}
}