org.jetbrains.kotlin.backend.jvm.lower.FileClassLowering.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.backend.jvm.lower
import org.jetbrains.kotlin.backend.common.FileLoweringPass
import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
import org.jetbrains.kotlin.ir.declarations.IrClass
import org.jetbrains.kotlin.ir.declarations.IrDeclaration
import org.jetbrains.kotlin.ir.declarations.IrDeclarationOrigin
import org.jetbrains.kotlin.ir.declarations.IrFile
import org.jetbrains.kotlin.ir.declarations.impl.IrClassImpl
import java.util.*
class FileClassLowering(val context: JvmBackendContext) : FileLoweringPass {
override fun lower(irFile: IrFile) {
val classes = ArrayList()
val fileClassMembers = ArrayList()
irFile.declarations.forEach {
if (it is IrClass)
classes.add(it)
else
fileClassMembers.add(it)
}
if (fileClassMembers.isEmpty()) return
val fileClassDescriptor = context.specialDescriptorsFactory.createFileClassDescriptor(irFile.fileEntry, irFile.packageFragmentDescriptor)
val irFileClass = IrClassImpl(0, irFile.fileEntry.maxOffset, IrDeclarationOrigin.DEFINED, fileClassDescriptor, fileClassMembers)
classes.add(irFileClass)
irFile.declarations.clear()
irFile.declarations.addAll(classes)
}
}