org.jetbrains.kotlin.backend.jvm.lower.SingletonReferencesLowering.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.BodyLoweringPass
import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
import org.jetbrains.kotlin.ir.expressions.IrBody
import org.jetbrains.kotlin.ir.expressions.IrExpression
import org.jetbrains.kotlin.ir.expressions.IrGetEnumValue
import org.jetbrains.kotlin.ir.expressions.IrGetObjectValue
import org.jetbrains.kotlin.ir.expressions.impl.IrGetFieldImpl
import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
class SingletonReferencesLowering(val context: JvmBackendContext) : BodyLoweringPass, IrElementTransformerVoid() {
override fun lower(irBody: IrBody) {
irBody.transformChildrenVoid(this)
}
override fun visitGetEnumValue(expression: IrGetEnumValue): IrExpression {
val enumValueFieldDescriptor = context.specialDescriptorsFactory.getFieldDescriptorForEnumEntry(expression.descriptor)
return IrGetFieldImpl(expression.startOffset, expression.endOffset, enumValueFieldDescriptor)
}
override fun visitGetObjectValue(expression: IrGetObjectValue): IrExpression {
val instanceFieldDescriptor = context.specialDescriptorsFactory.getFieldDescriptorForObjectInstance(expression.descriptor)
return IrGetFieldImpl(expression.startOffset, expression.endOffset, instanceFieldDescriptor)
}
}