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org.jetbrains.kotlin.cli.metadata.MetadataSerializer.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2020 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.cli.metadata
import com.intellij.openapi.project.Project
import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
import org.jetbrains.kotlin.codegen.JvmCodegenUtil
import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.ClassKind
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.ModuleDescriptor
import org.jetbrains.kotlin.load.kotlin.PackagePartClassUtils
import org.jetbrains.kotlin.metadata.ProtoBuf
import org.jetbrains.kotlin.metadata.builtins.BuiltInsBinaryVersion
import org.jetbrains.kotlin.metadata.jvm.JvmModuleProtoBuf
import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmMetadataVersion
import org.jetbrains.kotlin.metadata.jvm.deserialization.PackageParts
import org.jetbrains.kotlin.metadata.jvm.deserialization.serializeToByteArray
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
import org.jetbrains.kotlin.serialization.DescriptorSerializer
import org.jetbrains.kotlin.serialization.KotlinSerializerExtensionBase
import org.jetbrains.kotlin.serialization.deserialization.MetadataPackageFragment.Companion.DOT_METADATA_FILE_EXTENSION
import java.io.ByteArrayOutputStream
import java.io.DataOutputStream
import java.io.File
open class MetadataSerializer(
private val metadataVersion: BuiltInsBinaryVersion,
private val dependOnOldBuiltIns: Boolean
) {
protected var totalSize = 0
protected var totalFiles = 0
fun serialize(environment: KotlinCoreEnvironment) {
val analyzer = runCommonAnalysisForSerialization(environment, dependOnOldBuiltIns, dependencyContainer = null)
if (analyzer == null || analyzer.hasErrors()) return
val (bindingContext, moduleDescriptor) = analyzer.analysisResult
val destDir = checkNotNull(environment.destDir)
performSerialization(environment.getSourceFiles(), bindingContext, moduleDescriptor, destDir, environment.project)
}
protected open fun performSerialization(
files: Collection, bindingContext: BindingContext, module: ModuleDescriptor, destDir: File, project: Project?
) {
val packageTable = hashMapOf()
for (file in files) {
val packageFqName = file.packageFqName
val members = arrayListOf()
for (declaration in file.declarations) {
declaration.accept(object : KtVisitorVoid() {
override fun visitNamedFunction(function: KtNamedFunction) {
members.add(
bindingContext.get(BindingContext.FUNCTION, function)
?: error("No descriptor found for function ${function.fqName}")
)
}
override fun visitProperty(property: KtProperty) {
members.add(
bindingContext.get(BindingContext.VARIABLE, property)
?: error("No descriptor found for property ${property.fqName}")
)
}
override fun visitTypeAlias(typeAlias: KtTypeAlias) {
members.add(
bindingContext.get(BindingContext.TYPE_ALIAS, typeAlias)
?: error("No descriptor found for type alias ${typeAlias.fqName}")
)
}
override fun visitClassOrObject(classOrObject: KtClassOrObject) {
val classDescriptor = bindingContext.get(BindingContext.CLASS, classOrObject)
?: error("No descriptor found for class ${classOrObject.fqName}")
val destFile = File(destDir, getClassFilePath(ClassId(packageFqName, classDescriptor.name)))
PackageSerializer(listOf(classDescriptor), emptyList(), packageFqName, destFile, project).run()
}
})
}
if (members.isNotEmpty()) {
val destFile = File(destDir, getPackageFilePath(packageFqName, file.name))
PackageSerializer(emptyList(), members, packageFqName, destFile, project).run()
packageTable.getOrPut(packageFqName) {
PackageParts(packageFqName.asString())
}.addMetadataPart(destFile.nameWithoutExtension)
}
}
val kotlinModuleFile = File(destDir, JvmCodegenUtil.getMappingFileName(JvmCodegenUtil.getModuleName(module)))
val packageTableBytes = JvmModuleProtoBuf.Module.newBuilder().apply {
for (table in packageTable.values) {
table.addTo(this)
}
}.build().serializeToByteArray(JvmMetadataVersion.INSTANCE, 0) // TODO: use another version here, not JVM
// TODO: also, use CommonConfigurationKeys.METADATA_VERSION if needed
kotlinModuleFile.parentFile.mkdirs()
kotlinModuleFile.writeBytes(packageTableBytes)
}
protected open fun createSerializerExtension(): KotlinSerializerExtensionBase = MetadataSerializerExtension(metadataVersion)
private fun getPackageFilePath(packageFqName: FqName, fileName: String): String =
packageFqName.asString().replace('.', '/') + "/" +
PackagePartClassUtils.getFilePartShortName(fileName) + DOT_METADATA_FILE_EXTENSION
private fun getClassFilePath(classId: ClassId): String =
classId.asSingleFqName().asString().replace('.', '/') + DOT_METADATA_FILE_EXTENSION
protected inner class PackageSerializer(
private val classes: Collection,
private val members: Collection,
private val packageFqName: FqName,
private val destFile: File,
private val project: Project? = null
) {
private val proto = ProtoBuf.PackageFragment.newBuilder()
private val extension = createSerializerExtension()
fun run() {
val serializer = DescriptorSerializer.createTopLevel(extension)
serializeClasses(classes, serializer, project)
serializeMembers(members, serializer)
serializeStringTable()
serializeBuiltInsFile()
}
private fun serializeClasses(classes: Collection, parentSerializer: DescriptorSerializer, project: Project?) {
for (descriptor in DescriptorSerializer.sort(classes)) {
if (descriptor !is ClassDescriptor || descriptor.kind == ClassKind.ENUM_ENTRY) continue
val serializer = DescriptorSerializer.create(descriptor, extension, parentSerializer, project)
serializeClasses(
descriptor.unsubstitutedInnerClassesScope.getContributedDescriptors(DescriptorKindFilter.CLASSIFIERS),
serializer,
project
)
proto.addClass_(serializer.classProto(descriptor).build())
}
}
private fun serializeMembers(members: Collection, serializer: DescriptorSerializer) {
proto.`package` = serializer.packagePartProto(packageFqName, members).build()
}
private fun serializeStringTable() {
val (strings, qualifiedNames) = extension.stringTable.buildProto()
proto.strings = strings
proto.qualifiedNames = qualifiedNames
}
private fun serializeBuiltInsFile() {
val stream = ByteArrayOutputStream()
with(DataOutputStream(stream)) {
val version = extension.metadataVersion.toArray()
writeInt(version.size)
version.forEach { writeInt(it) }
}
proto.build().writeTo(stream)
write(stream)
}
private fun write(stream: ByteArrayOutputStream) {
totalSize += stream.size()
totalFiles++
assert(!destFile.isDirectory) { "Cannot write because output destination is a directory: $destFile" }
destFile.parentFile.mkdirs()
destFile.writeBytes(stream.toByteArray())
}
}
}
