org.jetbrains.kotlin.resolve.jvm.checkers.MissingDependencyClassChecker.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.jvm.checkers

import org.jetbrains.kotlin.descriptors.CallableDescriptor
import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.kotlin.resolve.calls.checkers.CallChecker
import org.jetbrains.kotlin.resolve.calls.checkers.isComputingDeferredType
import org.jetbrains.kotlin.resolve.calls.context.BasicCallResolutionContext
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
import org.jetbrains.kotlin.resolve.descriptorUtil.classId
import org.jetbrains.kotlin.resolve.jvm.diagnostics.ErrorsJvm
import org.jetbrains.kotlin.serialization.deserialization.NotFoundClasses
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.utils.newLinkedHashSetWithExpectedSize

class MissingDependencyClassChecker : CallChecker {
    override fun check(resolvedCall: ResolvedCall<*>, context: BasicCallResolutionContext) {
        for (classId in collectNotFoundClasses(resolvedCall.resultingDescriptor)) {
            context.trace.report(ErrorsJvm.MISSING_DEPENDENCY_CLASS.on(resolvedCall.call.callElement, classId.asSingleFqName()))
        }
    }

    private fun collectNotFoundClasses(descriptor: CallableDescriptor): Set {
        val result: MutableSet = newLinkedHashSetWithExpectedSize(1)

        fun consider(classDescriptor: ClassDescriptor) {
            if (classDescriptor is NotFoundClasses.MockClassDescriptor) {
                result.add(classDescriptor.classId)
                return
            }
            (classDescriptor.containingDeclaration as? ClassDescriptor)?.let(::consider)
        }

        fun consider(type: KotlinType) {
            if (!isComputingDeferredType(type)) {
                (type.constructor.declarationDescriptor as? ClassDescriptor)?.let(::consider)
            }
        }

        descriptor.returnType?.let(::consider)
        descriptor.extensionReceiverParameter?.value?.type?.let(::consider)
        descriptor.valueParameters.forEach { consider(it.type) }

        return result.orEmpty()
    }
}