org.jetbrains.kotlin.backend.jvm.lower.PropertiesLowering.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.ir.IrStatement
import org.jetbrains.kotlin.ir.declarations.IrClass
import org.jetbrains.kotlin.ir.declarations.IrDeclaration
import org.jetbrains.kotlin.ir.declarations.IrFile
import org.jetbrains.kotlin.ir.declarations.IrProperty
import org.jetbrains.kotlin.ir.util.transformFlat
import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
import org.jetbrains.kotlin.resolve.DescriptorUtils
import org.jetbrains.kotlin.utils.addIfNotNull
import java.util.*
class PropertiesLowering : IrElementTransformerVoid(), FileLoweringPass {
override fun lower(irFile: IrFile) {
irFile.transformChildrenVoid(this)
}
override fun visitFile(declaration: IrFile): IrFile {
declaration.transformChildrenVoid(this)
declaration.declarations.transformFlat { lowerProperty(it) }
return declaration
}
override fun visitClass(declaration: IrClass): IrStatement {
declaration.transformChildrenVoid(this)
declaration.declarations.transformFlat { lowerProperty(it) }
return declaration
}
private fun lowerProperty(declaration: IrDeclaration): List? =
if (declaration is IrProperty)
ArrayList(3).apply {
if (!DescriptorUtils.isAnnotationClass(declaration.descriptor.containingDeclaration)) {
addIfNotNull(declaration.backingField)
}
addIfNotNull(declaration.getter)
addIfNotNull(declaration.setter)
}
else
null
}