plugins/kotlin/uast/uast-kotlin-base/src/org/jetbrains/uast/kotlin/expressions/KotlinUCallableReferenceExpression.kt


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.

package org.jetbrains.uast.kotlin

import com.intellij.psi.PsiElement
import com.intellij.psi.PsiNamedElement
import com.intellij.psi.ResolveResult
import org.jetbrains.annotations.ApiStatus
import org.jetbrains.kotlin.psi.KtCallableReferenceExpression
import org.jetbrains.uast.*
import org.jetbrains.uast.kotlin.internal.getResolveResultVariants

@ApiStatus.Internal
class KotlinUCallableReferenceExpression(
    override val sourcePsi: KtCallableReferenceExpression,
    givenParent: UElement?
) : KotlinAbstractUExpression(givenParent), UCallableReferenceExpression, UMultiResolvable, KotlinUElementWithType {
    override val qualifierExpression: UExpression?
        get() {
            if (qualifierType != null) return null
            val receiverExpression = sourcePsi.receiverExpression ?: return null
            return baseResolveProviderService.baseKotlinConverter.convertExpression(receiverExpression, this, DEFAULT_EXPRESSION_TYPES_LIST)
        }

    override val qualifierType by lz {
        baseResolveProviderService.getDoubleColonReceiverType(sourcePsi, this)
    }

    override val callableName: String
        get() = sourcePsi.callableReference.getReferencedName()

    override val resolvedName: String?
        get() = (resolve() as? PsiNamedElement)?.name

    override fun resolve(): PsiElement? = baseResolveProviderService.resolveToDeclaration(sourcePsi.callableReference)

    override fun multiResolve(): Iterable<ResolveResult> =
        getResolveResultVariants(baseResolveProviderService, sourcePsi.callableReference)

}