org.jetbrains.kotlin.codegen.SuperClassInfo.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2016 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.codegen
import org.jetbrains.kotlin.codegen.JvmCodegenUtil.isJvmInterface
import org.jetbrains.kotlin.codegen.state.KotlinTypeMapper
import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.ClassKind
import org.jetbrains.kotlin.resolve.jvm.AsmTypes.OBJECT_TYPE
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.org.objectweb.asm.Type
class SuperClassInfo(
val type: Type,
// null means java/lang/Object or irrelevant
val kotlinType: KotlinType?
) {
companion object {
@JvmStatic
fun getSuperClassInfo(descriptor: ClassDescriptor, typeMapper: KotlinTypeMapper): SuperClassInfo {
if (descriptor.kind == ClassKind.INTERFACE) {
return SuperClassInfo(OBJECT_TYPE, null)
}
for (supertype in descriptor.typeConstructor.supertypes) {
val superClass = supertype.constructor.declarationDescriptor
if (superClass != null && !isJvmInterface(superClass)) {
return SuperClassInfo(typeMapper.mapClass(superClass), supertype)
}
}
return SuperClassInfo(OBJECT_TYPE, null)
}
}
}