org.jetbrains.kotlin.serialization.deserialization.findClassInModule.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2015 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.serialization.deserialization

import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.ModuleDescriptor
import org.jetbrains.kotlin.incremental.components.NoLookupLocation
import org.jetbrains.kotlin.name.ClassId

fun ModuleDescriptor.findClassAcrossModuleDependencies(classId: ClassId): ClassDescriptor? {
    val packageViewDescriptor = getPackage(classId.packageFqName)
    val segments = classId.relativeClassName.pathSegments()
    val topLevelClass = packageViewDescriptor.memberScope.getContributedClassifier(segments.first(), NoLookupLocation.FROM_DESERIALIZATION) as? ClassDescriptor ?: return null
    var result = topLevelClass
    for (name in segments.subList(1, segments.size)) {
        result = result.unsubstitutedInnerClassesScope.getContributedClassifier(name, NoLookupLocation.FROM_DESERIALIZATION) as? ClassDescriptor ?: return null
    }
    return result
}