org.jetbrains.kotlin.resolve.lazy.AbsentDescriptorHandler.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2016 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.lazy

import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.psi.psiUtil.getElementTextWithContext

interface AbsentDescriptorHandler {
    fun diagnoseDescriptorNotFound(declaration: KtDeclaration): DeclarationDescriptor
}

class BasicAbsentDescriptorHandler : AbsentDescriptorHandler {
    override fun diagnoseDescriptorNotFound(declaration: KtDeclaration) = throw NoDescriptorForDeclarationException(declaration)
}

class NoDescriptorForDeclarationException @JvmOverloads constructor(declaration: KtDeclaration, additionalDetails: String? = null) :
        IllegalStateException("Descriptor wasn't found for declaration $declaration\n${declaration.getElementTextWithContext()}"
                              + (additionalDetails?.let { "\n---------------------------------------------------\n$it" } ?: ""))