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/*
* Copyright 2010-2017 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.ir.expressions.impl
import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
import org.jetbrains.kotlin.ir.expressions.IrExpression
import org.jetbrains.kotlin.ir.expressions.IrFunctionReference
import org.jetbrains.kotlin.ir.expressions.IrStatementOrigin
import org.jetbrains.kotlin.ir.symbols.IrFunctionSymbol
import org.jetbrains.kotlin.ir.types.IrType
import org.jetbrains.kotlin.ir.visitors.IrElementTransformer
import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
import org.jetbrains.kotlin.name.Name
class IrFunctionReferenceImpl(
override val startOffset: Int,
override val endOffset: Int,
override var type: IrType,
override val symbol: IrFunctionSymbol,
typeArgumentsCount: Int,
override val valueArgumentsCount: Int,
override val reflectionTarget: IrFunctionSymbol? = symbol,
override val origin: IrStatementOrigin? = null,
) : IrFunctionReference(typeArgumentsCount) {
override val referencedName: Name
get() = symbol.owner.name
private val argumentsByParameterIndex: Array = arrayOfNulls(valueArgumentsCount)
override fun getValueArgument(index: Int): IrExpression? {
if (index >= valueArgumentsCount) {
throw AssertionError("$this: No such value argument slot: $index")
}
return argumentsByParameterIndex[index]
}
override fun putValueArgument(index: Int, valueArgument: IrExpression?) {
if (index >= valueArgumentsCount) {
throw AssertionError("$this: No such value argument slot: $index")
}
argumentsByParameterIndex[index] = valueArgument
}
override fun removeValueArgument(index: Int) {
argumentsByParameterIndex[index] = null
}
override fun accept(visitor: IrElementVisitor, data: D): R =
visitor.visitFunctionReference(this, data)
override fun acceptChildren(visitor: IrElementVisitor, data: D) {
super.acceptChildren(visitor, data)
argumentsByParameterIndex.forEach { it?.accept(visitor, data) }
}
override fun transformChildren(transformer: IrElementTransformer, data: D) {
super.transformChildren(transformer, data)
argumentsByParameterIndex.forEachIndexed { i, irExpression ->
argumentsByParameterIndex[i] = irExpression?.transform(transformer, data)
}
}
companion object {
@ObsoleteDescriptorBasedAPI
fun fromSymbolDescriptor(
startOffset: Int,
endOffset: Int,
type: IrType,
symbol: IrFunctionSymbol,
typeArgumentsCount: Int,
reflectionTarget: IrFunctionSymbol?,
origin: IrStatementOrigin? = null
) = IrFunctionReferenceImpl(
startOffset, endOffset,
type,
symbol,
typeArgumentsCount,
symbol.descriptor.valueParameters.size,
reflectionTarget,
origin
)
fun fromSymbolOwner(
startOffset: Int,
endOffset: Int,
type: IrType,
symbol: IrFunctionSymbol,
typeArgumentsCount: Int,
reflectionTarget: IrFunctionSymbol?,
origin: IrStatementOrigin? = null
) = IrFunctionReferenceImpl(
startOffset, endOffset,
type,
symbol,
typeArgumentsCount,
symbol.owner.valueParameters.size,
reflectionTarget,
origin
)
}
}