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• AbsentDescriptorHandler.kt

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

/*
 * Copyright 2000-2017 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.lazy

import org.jetbrains.kotlin.container.PlatformSpecificExtension
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.utils.KotlinExceptionWithAttachments

interface AbsentDescriptorHandler : PlatformSpecificExtension {
    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) :
    KotlinExceptionWithAttachments(
        "Descriptor wasn't found for declaration $declaration"
                + (additionalDetails?.let { "\n---------------------------------------------------\n$it" } ?: "")
    ) {
    init {
        withPsiAttachment("declaration.kt", declaration)
    }
}