org.jetbrains.kotlin.ir.overrides.IrVisibilityUtil.kt Maven / Gradle / Ivy
/*
* 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.ir.overrides
import org.jetbrains.kotlin.descriptors.DescriptorVisibilities
import org.jetbrains.kotlin.ir.declarations.IrDeclarationWithVisibility
import org.jetbrains.kotlin.ir.declarations.IrOverridableMember
// The contents of this file is from VisibilityUtil.kt adapted to IR.
// TODO: The code would better be commonized for descriptors, ir and fir.
fun isVisibleForOverride(
@Suppress("UNUSED_PARAMETER") overriding: IrOverridableMember,
fromSuper: IrOverridableMember
): Boolean {
return !DescriptorVisibilities.isPrivate((fromSuper as IrDeclarationWithVisibility).visibility)
}
fun findMemberWithMaxVisibility(members: Collection): IrOverridableMember {
assert(members.isNotEmpty())
var member: IrOverridableMember? = null
for (candidate in members) {
if (member == null) {
member = candidate
continue
}
val result = DescriptorVisibilities.compare(member.visibility, candidate.visibility)
if (result != null && result < 0) {
member = candidate
}
}
return member ?: error("Could not find a visible member")
}