org.jetbrains.kotlin.backend.jvm.lower.VariableRemapper.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.
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package org.jetbrains.kotlin.backend.jvm.lower
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.ValueDescriptor
import org.jetbrains.kotlin.descriptors.VariableDescriptor
import org.jetbrains.kotlin.ir.expressions.IrExpression
import org.jetbrains.kotlin.ir.expressions.IrGetValue
import org.jetbrains.kotlin.ir.expressions.impl.IrGetValueImpl
import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
abstract class AbstractVariableRemapper : IrElementTransformerVoid() {
protected abstract fun remapVariable(value: ValueDescriptor): ValueDescriptor?
override fun visitGetValue(expression: IrGetValue): IrExpression =
remapVariable(expression.descriptor)?.let {
IrGetValueImpl(expression.startOffset, expression.endOffset, it, expression.origin)
} ?: expression
}
class VariableRemapper(val mapping: Map): AbstractVariableRemapper() {
override fun remapVariable(value: ValueDescriptor): ValueDescriptor? =
mapping[value]
}