org.jetbrains.kotlin.fir.resolve.FirOuterClassManager.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2020 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

import org.jetbrains.kotlin.fir.FirSession
import org.jetbrains.kotlin.fir.resolve.providers.symbolProvider
import org.jetbrains.kotlin.fir.symbols.impl.FirClassLikeSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirClassSymbol
import org.jetbrains.kotlin.fir.types.ConeClassLikeType

class FirOuterClassManager(
    private val session: FirSession,
    private val outerLocalClassForNested: Map, FirClassLikeSymbol<*>>,
) {
    private val symbolProvider = session.symbolProvider

    fun outerClass(classSymbol: FirClassLikeSymbol<*>): FirClassLikeSymbol<*>? {
        if (classSymbol !is FirClassSymbol<*>) return null
        val classId = classSymbol.classId
        if (classId.isLocal) return outerLocalClassForNested[classSymbol]
        val outerClassId = classId.outerClassId ?: return null
        return symbolProvider.getClassLikeSymbolByClassId(outerClassId)
    }

    fun outerType(classLikeType: ConeClassLikeType): ConeClassLikeType? =
        outerType(classLikeType, session, ::outerClass)
}