org.jetbrains.kotlin.analysis.api.renderer.declarations.KtCallableReturnTypeFilter.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2022 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.renderer.declarations

import org.jetbrains.kotlin.analysis.api.KtAnalysisSession
import org.jetbrains.kotlin.analysis.api.symbols.KtCallableSymbol
import org.jetbrains.kotlin.analysis.api.symbols.KtFunctionSymbol
import org.jetbrains.kotlin.analysis.api.types.KtType

public interface KtCallableReturnTypeFilter {
    context (KtAnalysisSession)
    public fun shouldRenderReturnType(type: KtType, symbol: KtCallableSymbol): Boolean

    public object ALWAYS : KtCallableReturnTypeFilter {
        context(KtAnalysisSession)
        override fun shouldRenderReturnType(type: KtType, symbol: KtCallableSymbol): Boolean {
            return true
        }

    }

    public object NO_UNIT_FOR_FUNCTIONS : KtCallableReturnTypeFilter {
        context(KtAnalysisSession)
        override fun shouldRenderReturnType(type: KtType, symbol: KtCallableSymbol): Boolean {
            return when (symbol) {
                is KtFunctionSymbol -> !type.isUnit
                else -> true
            }
        }
    }
}