.kotlin.kotlin-compiler.1.3.11.source-code.SafeCallChecker.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
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package org.jetbrains.kotlin.resolve.calls.checkers
import com.intellij.psi.PsiElement
import org.jetbrains.kotlin.diagnostics.Errors
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
import org.jetbrains.kotlin.resolve.calls.tasks.ExplicitReceiverKind
class SafeCallChecker : CallChecker {
override fun check(resolvedCall: ResolvedCall<*>, reportOn: PsiElement, context: CallCheckerContext) {
val operationNode = resolvedCall.call.callOperationNode ?: return
if (operationNode.elementType == KtTokens.SAFE_ACCESS &&
resolvedCall.explicitReceiverKind == ExplicitReceiverKind.NO_EXPLICIT_RECEIVER) {
context.trace.report(Errors.UNEXPECTED_SAFE_CALL.on(operationNode.psi))
}
}
}