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/*
 * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

package org.jetbrains.kotlin.fir.resolve.calls

import org.jetbrains.kotlin.fir.FirElement
import org.jetbrains.kotlin.fir.FirSession
import org.jetbrains.kotlin.fir.declarations.FirDeclaration
import org.jetbrains.kotlin.fir.declarations.FirFile
import org.jetbrains.kotlin.fir.expressions.FirArgumentList
import org.jetbrains.kotlin.fir.expressions.FirEmptyArgumentList
import org.jetbrains.kotlin.fir.expressions.FirExpression
import org.jetbrains.kotlin.fir.expressions.FirFunctionCallOrigin
import org.jetbrains.kotlin.fir.expressions.builder.buildArgumentList
import org.jetbrains.kotlin.fir.resolve.DoubleColonLHS
import org.jetbrains.kotlin.fir.types.ConeKotlinType
import org.jetbrains.kotlin.fir.types.FirTypeProjection
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.calls.inference.ConstraintSystemBuilder

data class CallInfo(
    override val callSite: FirElement,
    val callKind: CallKind,
    override val name: Name,

    override val explicitReceiver: FirExpression?,
    override val argumentList: FirArgumentList,
    override val isImplicitInvoke: Boolean,

    val typeArguments: List,
    val session: FirSession,
    override val containingFile: FirFile,
    val containingDeclarations: List,

    val candidateForCommonInvokeReceiver: Candidate? = null,

    // Four properties for callable references only
    val expectedType: ConeKotlinType? = null,
    val outerCSBuilder: ConstraintSystemBuilder? = null,
    val lhs: DoubleColonLHS? = null,
    val origin: FirFunctionCallOrigin = FirFunctionCallOrigin.Regular,
) : AbstractCallInfo() {
    val arguments: List get() = argumentList.arguments

    val argumentCount get() = arguments.size

    fun replaceWithVariableAccess(): CallInfo =
        copy(callKind = CallKind.VariableAccess, typeArguments = emptyList(), argumentList = FirEmptyArgumentList)

    fun replaceExplicitReceiver(explicitReceiver: FirExpression?): CallInfo =
        copy(explicitReceiver = explicitReceiver)

    fun withReceiverAsArgument(receiverExpression: FirExpression): CallInfo =
        copy(
            argumentList = buildArgumentList {
                arguments += receiverExpression
                arguments += argumentList.arguments
            }
        )
}




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