org.jetbrains.kotlin.ir.expressions.impl.IrFunctionReferenceImpl.kt Maven / Gradle / Ivy

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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 val type: IrType,
    override val symbol: IrFunctionSymbol,
    typeArgumentsCount: Int,
    override val valueArgumentsCount: Int,
    override val reflectionTarget: IrFunctionSymbol? = symbol,
    override val origin: IrStatementOrigin? = null,
) : IrFunctionReference(typeArgumentsCount) {
    @ObsoleteDescriptorBasedAPI
    constructor(
        startOffset: Int,
        endOffset: Int,
        type: IrType,
        symbol: IrFunctionSymbol,
        typeArgumentsCount: Int,
        reflectionTarget: IrFunctionSymbol?,
        origin: IrStatementOrigin? = null
    ) : this(
        startOffset, endOffset,
        type,
        symbol,
        typeArgumentsCount,
        symbol.descriptor.valueParameters.size,
        reflectionTarget,
        origin
    )

    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)
        }
    }
}