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org.jetbrains.kotlin.serialization.js.KotlinJavascriptSerializationUtil.kt Maven / Gradle / Ivy
/*
* 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.js
import com.google.protobuf.ByteString
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.resolve.DescriptorUtils
import org.jetbrains.kotlin.resolve.descriptorUtil.classId
import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
import org.jetbrains.kotlin.resolve.scopes.MemberScope
import org.jetbrains.kotlin.serialization.DescriptorSerializer
import org.jetbrains.kotlin.serialization.ProtoBuf
import org.jetbrains.kotlin.serialization.StringTableImpl
import org.jetbrains.kotlin.storage.StorageManager
import org.jetbrains.kotlin.utils.KotlinJavascriptMetadata
import org.jetbrains.kotlin.utils.KotlinJavascriptMetadataUtils
import java.io.ByteArrayInputStream
import java.io.ByteArrayOutputStream
import java.util.*
import java.util.zip.GZIPInputStream
import java.util.zip.GZIPOutputStream
public object KotlinJavascriptSerializationUtil {
public val CLASS_METADATA_FILE_EXTENSION: String = "kjsm"
private val PACKAGE_DEFAULT_BYTES = run {
val stream = ByteArrayOutputStream()
ProtoBuf.Package.getDefaultInstance().writeTo(stream)
stream.toByteArray()
}
private val CLASSES_IN_PACKAGE_DEFAULT_BYTES = run {
val stream = ByteArrayOutputStream()
JsProtoBuf.Classes.getDefaultInstance().writeTo(stream)
stream.toByteArray()
}
private val STRING_TABLE_DEFAULT_BYTES = run {
val serializer = DescriptorSerializer.createTopLevel(KotlinJavascriptSerializerExtension())
val stream = ByteArrayOutputStream()
serializer.stringTable.serializeTo(stream)
stream.toByteArray()
}
@JvmStatic
public fun createPackageFragmentProvider(moduleDescriptor: ModuleDescriptor, metadata: ByteArray, storageManager: StorageManager): PackageFragmentProvider? {
val contentMap = metadata.toContentMap()
val packageFqNames = getPackages(contentMap).map { FqName(it) }.toSet()
if (packageFqNames.isEmpty()) return null
return createKotlinJavascriptPackageFragmentProvider(storageManager, moduleDescriptor, packageFqNames) {
path ->
if (!contentMap.containsKey(path)) {
when {
isPackageMetadataFile(path) ->
ByteArrayInputStream(PACKAGE_DEFAULT_BYTES)
isStringTableFile(path) ->
ByteArrayInputStream(STRING_TABLE_DEFAULT_BYTES)
isClassesInPackageFile(path) ->
ByteArrayInputStream(CLASSES_IN_PACKAGE_DEFAULT_BYTES)
else ->
null
}
}
else ByteArrayInputStream(contentMap.get(path))
}
}
public fun contentMapToByteArray(contentMap: Map): ByteArray {
val contentBuilder = JsProtoBuf.Library.newBuilder()
contentMap forEach {
val entry = JsProtoBuf.Library.FileEntry.newBuilder().setPath(it.getKey()).setContent(ByteString.copyFrom(it.getValue())).build()
contentBuilder.addEntry(entry)
}
val byteStream = ByteArrayOutputStream()
val gzipOutputStream = GZIPOutputStream(byteStream)
contentBuilder.build().writeTo(gzipOutputStream)
gzipOutputStream.close()
return byteStream.toByteArray()
}
public fun metadataAsString(moduleName: String, moduleDescriptor: ModuleDescriptor): String =
KotlinJavascriptMetadataUtils.formatMetadataAsString(moduleName, moduleDescriptor.toBinaryMetadata())
fun serializePackage(module: ModuleDescriptor, fqName: FqName, writeFun: (String, ByteArray) -> Unit) {
val packageView = module.getPackage(fqName)
val skip: (DeclarationDescriptor) -> Boolean = { DescriptorUtils.getContainingModule(it) != module }
val serializerExtension = KotlinJavascriptSerializerExtension()
val serializer = DescriptorSerializer.createTopLevel(serializerExtension)
val classifierDescriptors = DescriptorSerializer.sort(packageView.memberScope.getContributedDescriptors(DescriptorKindFilter.CLASSIFIERS))
ClassSerializationUtil.serializeClasses(classifierDescriptors, serializer, object : ClassSerializationUtil.Sink {
override fun writeClass(classDescriptor: ClassDescriptor, classProto: ProtoBuf.Class) {
val stream = ByteArrayOutputStream()
classProto.writeTo(stream)
writeFun(getFileName(classDescriptor), stream.toByteArray())
}
}, skip)
val packageStream = ByteArrayOutputStream()
val fragments = packageView.fragments
val packageProto = serializer.packageProto(fragments, skip).build() ?: error("Package fragments not serialized: $fragments")
if (packageProto.functionCount > 0 || packageProto.propertyCount > 0) {
packageProto.writeTo(packageStream)
writeFun(KotlinJavascriptSerializedResourcePaths.getPackageFilePath(fqName), packageStream.toByteArray())
}
val strings = serializerExtension.stringTable
serializeClassNamesInPackage(fqName, fragments, strings, skip, writeFun)
val nameStream = ByteArrayOutputStream()
strings.serializeTo(nameStream)
val stringBytes = nameStream.toByteArray()
if (!stringBytes.isEmpty()) {
writeFun(KotlinJavascriptSerializedResourcePaths.getStringTableFilePath(fqName), stringBytes)
}
}
private fun serializeClassNamesInPackage(
fqName: FqName,
packageFragments: Collection,
stringTable: StringTableImpl,
skip: (DeclarationDescriptor) -> Boolean,
writeFun: (String, ByteArray) -> Unit
) {
val classes = packageFragments.flatMap {
it.getMemberScope().getContributedDescriptors(DescriptorKindFilter.CLASSIFIERS).filterIsInstance()
}.filter { !skip(it) }
val builder = JsProtoBuf.Classes.newBuilder()
for (descriptor in DescriptorSerializer.sort(classes)) {
builder.addClassName(stringTable.getSimpleNameIndex(descriptor.getName()))
}
val classesProto = builder.build()
if (classesProto.classNameCount > 0) {
val stream = ByteArrayOutputStream()
classesProto.writeTo(stream)
writeFun(KotlinJavascriptSerializedResourcePaths.getClassesInPackageFilePath(fqName), stream.toByteArray())
}
}
private fun getFileName(classDescriptor: ClassDescriptor): String {
return KotlinJavascriptSerializedResourcePaths.getClassMetadataPath(classDescriptor.classId)
}
private fun ModuleDescriptor.toContentMap(): Map {
val contentMap = hashMapOf()
getPackagesFqNames(this).forEach {
serializePackage(this, it) {
fileName, bytes -> contentMap[fileName] = bytes
}
}
return contentMap
}
private fun getPackagesFqNames(module: ModuleDescriptor): Set {
return HashSet().apply {
getSubPackagesFqNames(module.getPackage(FqName.ROOT), this)
add(FqName.ROOT)
}
}
private fun getSubPackagesFqNames(packageView: PackageViewDescriptor, result: MutableSet) {
val fqName = packageView.fqName
if (!fqName.isRoot) {
result.add(fqName)
}
for (descriptor in packageView.memberScope.getContributedDescriptors(DescriptorKindFilter.PACKAGES, MemberScope.ALL_NAME_FILTER)) {
if (descriptor is PackageViewDescriptor) {
getSubPackagesFqNames(descriptor, result)
}
}
}
private fun getPackages(contentMap: Map): Set {
val keys = contentMap.keySet().map { (if (it.startsWith('/')) it else "/" + it).substringBeforeLast('/') }.toSet()
val result = hashSetOf()
fun addNames(name: String) {
result.add(name)
if (name != "") {
addNames(name.substringBeforeLast('/'))
}
}
keys.forEach { addNames(it) }
return result.map { it.substringAfter('/').replace('/', '.') }.toSet()
}
private fun ModuleDescriptor.toBinaryMetadata(): ByteArray =
KotlinJavascriptSerializationUtil.contentMapToByteArray(this.toContentMap())
}
public fun KotlinJavascriptMetadata.forEachFile(operation: (filePath: String, fileContent: ByteArray) -> Unit): Unit =
this.body.toContentMap().forEach { operation(it.getKey(), it.getValue()) }
private fun ByteArray.toContentMap(): Map {
val gzipInputStream = GZIPInputStream(ByteArrayInputStream(this))
val content = JsProtoBuf.Library.parseFrom(gzipInputStream)
gzipInputStream.close()
val contentMap: MutableMap = hashMapOf()
content.getEntryList().forEach { entry -> contentMap[entry.getPath()] = entry.getContent().toByteArray() }
return contentMap
}
