org.jetbrains.kotlin.resolve.checkers.SuspendOperatorsCheckers.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 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.
*/
package org.jetbrains.kotlin.resolve.checkers
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.FunctionDescriptor
import org.jetbrains.kotlin.diagnostics.DiagnosticSink
import org.jetbrains.kotlin.diagnostics.Errors
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.util.OperatorNameConventions
object SuspendOperatorsCheckers : SimpleDeclarationChecker {
private val UNSUPPORTED_OPERATOR_NAMES = setOf(
OperatorNameConventions.CONTAINS,
OperatorNameConventions.GET, OperatorNameConventions.SET
)
override fun check(
declaration: KtDeclaration,
descriptor: DeclarationDescriptor,
diagnosticHolder: DiagnosticSink,
bindingContext: BindingContext
) {
if (descriptor is FunctionDescriptor && descriptor.isSuspend && descriptor.isOperator &&
descriptor.name in UNSUPPORTED_OPERATOR_NAMES) {
declaration.modifierList?.getModifier(KtTokens.OPERATOR_KEYWORD)?.let {
diagnosticHolder.report(Errors.UNSUPPORTED.on(it, "suspend operator \"${descriptor.name}\""))
}
}
}
}