org.jetbrains.kotlin.fir.SessionUtils.kt Maven / Gradle / Ivy
/*
* 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
import org.jetbrains.kotlin.descriptors.Visibility
import org.jetbrains.kotlin.fir.declarations.FirClass
import org.jetbrains.kotlin.fir.declarations.FirSimpleFunction
import org.jetbrains.kotlin.fir.declarations.utils.visibility
import org.jetbrains.kotlin.fir.resolve.ScopeSession
import org.jetbrains.kotlin.fir.scopes.ProcessorAction
import org.jetbrains.kotlin.fir.scopes.processOverriddenFunctions
import org.jetbrains.kotlin.fir.scopes.unsubstitutedScope
/**
* Returns the list of functions that overridden by given
*/
fun FirSimpleFunction.lowestVisibilityAmongOverrides(
containingClass: FirClass,
session: FirSession,
scopeSession: ScopeSession
): Visibility {
val firTypeScope = containingClass.unsubstitutedScope(session, scopeSession, withForcedTypeCalculator = false)
var visibility = visibility
// required; otherwise processOverriddenFunctions()
// will process nothing
firTypeScope.processFunctionsByName(symbol.fir.name) { }
firTypeScope.processOverriddenFunctions(symbol) {
visibility = it.fir.visibility
ProcessorAction.NEXT
}
return visibility
}