org.jetbrains.kotlin.analysis.api.components.KtCallResolver.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.analysis.api.components

import org.jetbrains.kotlin.analysis.api.KtAnalysisApiInternals
import org.jetbrains.kotlin.analysis.api.calls.KtCallCandidateInfo
import org.jetbrains.kotlin.analysis.api.calls.KtCallInfo
import org.jetbrains.kotlin.analysis.api.lifetime.withValidityAssertion
import org.jetbrains.kotlin.psi.KtElement

public abstract class KtCallResolver : KtAnalysisSessionComponent() {
    public abstract fun resolveCall(psi: KtElement): KtCallInfo?

    public abstract fun collectCallCandidates(psi: KtElement): List
}

@OptIn(KtAnalysisApiInternals::class)
public interface KtCallResolverMixIn : KtAnalysisSessionMixIn {

    public fun KtElement.resolveCall(): KtCallInfo? =
        withValidityAssertion { analysisSession.callResolver.resolveCall(this) }

    /**
     * Returns all the candidates considered during [overload resolution](https://kotlinlang.org/spec/overload-resolution.html) for the call
     * corresponding to this [KtElement].
     *
     * [resolveCall] only returns the final result of overload resolution, i.e., the selected callable after considering candidate
     * applicability and choosing the most specific candidate.
     */
    public fun KtElement.collectCallCandidates(): List =
        withValidityAssertion { analysisSession.callResolver.collectCallCandidates(this) }
}