org.jetbrains.kotlin.resolve.calls.checkers.UnsupportedUntilRangeDeclarationChecker.kt Maven / Gradle / Ivy
/*
* 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.resolve.calls.checkers
import org.jetbrains.kotlin.config.LanguageFeature
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.FunctionDescriptor
import org.jetbrains.kotlin.diagnostics.Errors
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.resolve.checkers.DeclarationChecker
import org.jetbrains.kotlin.resolve.checkers.DeclarationCheckerContext
import org.jetbrains.kotlin.util.OperatorNameConventions.RANGE_UNTIL
object UnsupportedUntilRangeDeclarationChecker : DeclarationChecker {
override fun check(declaration: KtDeclaration, descriptor: DeclarationDescriptor, context: DeclarationCheckerContext) {
val isRangeUntilOperatorSupported = context.languageVersionSettings.supportsFeature(LanguageFeature.RangeUntilOperator)
if (!isRangeUntilOperatorSupported && descriptor is FunctionDescriptor && descriptor.isOperator && descriptor.name == RANGE_UNTIL) {
val operatorKeyword = declaration.modifierList?.getModifier(KtTokens.OPERATOR_KEYWORD) ?: return
context.trace.report(
Errors.UNSUPPORTED_FEATURE.on(operatorKeyword, LanguageFeature.RangeUntilOperator to context.languageVersionSettings)
)
}
}
}