org.jetbrains.kotlin.analysis.decompiler.stub.file.DirectoryBasedDataFinder.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2021 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.analysis.decompiler.stub.file
import com.intellij.openapi.diagnostic.Logger
import org.jetbrains.kotlin.load.kotlin.KotlinJvmBinarySourceElement
import org.jetbrains.kotlin.load.kotlin.findKotlinClass
import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmProtoBufUtil
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.kotlin.serialization.deserialization.ClassData
import org.jetbrains.kotlin.serialization.deserialization.ClassDataFinder
class DirectoryBasedDataFinder(
val classFinder: DirectoryBasedClassFinder,
val log: Logger
) : ClassDataFinder {
override fun findClassData(classId: ClassId): ClassData? {
val binaryClass = classFinder.findKotlinClass(classId) ?: return null
val classHeader = binaryClass.classHeader
val data = classHeader.data
if (data == null) {
log.error("Annotation data missing for ${binaryClass.classId}")
return null
}
val strings = classHeader.strings
if (strings == null) {
log.error("String table not found in class ${binaryClass.classId}")
return null
}
val (nameResolver, classProto) = JvmProtoBufUtil.readClassDataFrom(data, strings)
return ClassData(nameResolver, classProto, classHeader.metadataVersion, KotlinJvmBinarySourceElement(binaryClass))
}
}