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• BuiltInsPackageFragmentImpl.kt

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org.jetbrains.kotlin.serialization.deserialization.builtins.BuiltInsPackageFragmentImpl.kt Maven / Gradle / Ivy

/*
 * Copyright 2010-2018 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.serialization.deserialization.builtins

import org.jetbrains.kotlin.builtins.BuiltInsPackageFragment
import org.jetbrains.kotlin.descriptors.ModuleDescriptor
import org.jetbrains.kotlin.metadata.ProtoBuf
import org.jetbrains.kotlin.metadata.builtins.BuiltInsBinaryVersion
import org.jetbrains.kotlin.metadata.builtins.readBuiltinsPackageFragment
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.resolve.descriptorUtil.module
import org.jetbrains.kotlin.serialization.deserialization.DeserializedPackageFragmentImpl
import org.jetbrains.kotlin.storage.StorageManager
import java.io.InputStream

class BuiltInsPackageFragmentImpl private constructor(
    fqName: FqName,
    storageManager: StorageManager,
    module: ModuleDescriptor,
    proto: ProtoBuf.PackageFragment,
    metadataVersion: BuiltInsBinaryVersion,
    override val isFallback: Boolean
) : BuiltInsPackageFragment, DeserializedPackageFragmentImpl(
    fqName, storageManager, module, proto, metadataVersion, containerSource = null
) {
    companion object {
        fun create(
            fqName: FqName,
            storageManager: StorageManager,
            module: ModuleDescriptor,
            inputStream: InputStream,
            isFallback: Boolean
        ): BuiltInsPackageFragmentImpl {
            val (proto, version) = inputStream.readBuiltinsPackageFragment()

            if (proto == null) {
                // TODO: report a proper diagnostic
                throw UnsupportedOperationException(
                    "Kotlin built-in definition format version is not supported: " +
                            "expected ${BuiltInsBinaryVersion.INSTANCE}, actual $version. " +
                            "Please update Kotlin"
                )
            }

            return BuiltInsPackageFragmentImpl(fqName, storageManager, module, proto, version, isFallback)
        }
    }

    override fun toString(): String = "builtins package fragment for $fqName from $module"
}