org.jetbrains.kotlin.fir.analysis.jvm.checkers.declaration.FirJvmFunctionDelegateMemberNameClashChecker.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2021 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.fir.analysis.jvm.checkers.declaration
import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
import org.jetbrains.kotlin.fir.analysis.checkers.declaration.FirBasicDeclarationChecker
import org.jetbrains.kotlin.fir.analysis.checkers.getContainingClassSymbol
import org.jetbrains.kotlin.diagnostics.DiagnosticReporter
import org.jetbrains.kotlin.fir.analysis.diagnostics.jvm.FirJvmErrors
import org.jetbrains.kotlin.diagnostics.reportOn
import org.jetbrains.kotlin.fir.declarations.*
import org.jetbrains.kotlin.fir.declarations.utils.isFun
import org.jetbrains.kotlin.fir.symbols.impl.FirRegularClassSymbol
import org.jetbrains.kotlin.fir.symbols.impl.isExtension
import org.jetbrains.kotlin.name.Name
object FirJvmFunctionDelegateMemberNameClashChecker : FirBasicDeclarationChecker() {
private val functionDelegateName: Name = Name.identifier("functionDelegate")
private val getFunctionDelegateName: Name = Name.identifier("getFunctionDelegate")
override fun check(declaration: FirDeclaration, context: CheckerContext, reporter: DiagnosticReporter) {
if (declaration !is FirCallableDeclaration) return
val containingClassSymbol = declaration.getContainingClassSymbol(context.session) as? FirRegularClassSymbol ?: return
if (!containingClassSymbol.isFun) return
if (declaration.symbol.isExtension || (declaration as? FirFunction)?.valueParameters?.isNotEmpty() == true) return
if (declaration is FirSimpleFunction && declaration.name == getFunctionDelegateName ||
declaration is FirProperty && declaration.name == functionDelegateName
) {
reporter.reportOn(declaration.source, FirJvmErrors.FUNCTION_DELEGATE_MEMBER_NAME_CLASH, context)
}
}
}