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KtFe10MultiplatformInfoProvider.kt
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KtFe10MultiplatformInfoProvider.kt
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/*
* Copyright 2010-2023 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.analysis.api.descriptors.components
import org.jetbrains.kotlin.analysis.api.components.KtMultiplatformInfoProvider
import org.jetbrains.kotlin.analysis.api.descriptors.KtFe10AnalysisSession
import org.jetbrains.kotlin.analysis.api.descriptors.components.base.Fe10KtAnalysisSessionComponent
import org.jetbrains.kotlin.analysis.api.descriptors.symbols.descriptorBased.base.getSymbolDescriptor
import org.jetbrains.kotlin.analysis.api.descriptors.symbols.descriptorBased.base.toKtSymbol
import org.jetbrains.kotlin.analysis.api.symbols.KtDeclarationSymbol
import org.jetbrains.kotlin.analysis.api.symbols.psiSafe
import org.jetbrains.kotlin.descriptors.MemberDescriptor
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.psi.psiUtil.hasActualModifier
import org.jetbrains.kotlin.resolve.multiplatform.ExpectedActualResolver
import org.jetbrains.kotlin.resolve.multiplatform.isCompatibleOrWeaklyIncompatible
internal class KtFe10MultiplatformInfoProvider(
override val analysisSession: KtFe10AnalysisSession,
) : KtMultiplatformInfoProvider(), Fe10KtAnalysisSessionComponent {
override fun getExpectForActual(actual: KtDeclarationSymbol): List<KtDeclarationSymbol> {
if (actual.psiSafe<KtDeclaration>()?.hasActualModifier() != true) return emptyList()
val memberDescriptor = (getSymbolDescriptor(actual) as? MemberDescriptor)?.takeIf { it.isActual } ?: return emptyList()
return ExpectedActualResolver.findExpectedForActual(memberDescriptor).orEmpty().asSequence()
.filter { it.key.isCompatibleOrWeaklyIncompatible }
.flatMap { it.value }
.map { it.toKtSymbol(analysisContext) as KtDeclarationSymbol }
.toList()
}
}