.kotlin.kotlin-compiler.1.3.11.source-code.KotlinClassHeader.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.load.kotlin.header
import org.jetbrains.kotlin.load.java.JvmAnnotationNames
import org.jetbrains.kotlin.load.kotlin.header.KotlinClassHeader.MultifileClassKind.DELEGATING
import org.jetbrains.kotlin.load.kotlin.header.KotlinClassHeader.MultifileClassKind.INHERITING
import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmBytecodeBinaryVersion
import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmMetadataVersion
class KotlinClassHeader(
val kind: KotlinClassHeader.Kind,
val metadataVersion: JvmMetadataVersion,
val bytecodeVersion: JvmBytecodeBinaryVersion,
val data: Array?,
val incompatibleData: Array?,
val strings: Array?,
val extraString: String?,
val extraInt: Int,
val packageName: String?
) {
// See kotlin.Metadata
enum class Kind(val id: Int) {
UNKNOWN(0),
CLASS(1),
FILE_FACADE(2),
SYNTHETIC_CLASS(3),
MULTIFILE_CLASS(4),
MULTIFILE_CLASS_PART(5);
companion object {
private val entryById = values().associateBy(Kind::id)
@JvmStatic
fun getById(id: Int) = entryById[id] ?: UNKNOWN
}
}
enum class MultifileClassKind {
DELEGATING,
INHERITING;
}
val multifileClassName: String?
get() = extraString.takeIf { kind == Kind.MULTIFILE_CLASS_PART }
val multifilePartNames: List
get() = data.takeIf { kind == Kind.MULTIFILE_CLASS }?.asList().orEmpty()
// TODO: use in incremental compilation
val multifileClassKind: MultifileClassKind?
get() = if (kind == Kind.MULTIFILE_CLASS || kind == Kind.MULTIFILE_CLASS_PART) {
if ((extraInt and JvmAnnotationNames.METADATA_MULTIFILE_PARTS_INHERIT_FLAG) != 0)
INHERITING
else
DELEGATING
}
else
null
val isPreRelease: Boolean
get() = (extraInt and JvmAnnotationNames.METADATA_PRE_RELEASE_FLAG) != 0
val isScript: Boolean
get() = (extraInt and JvmAnnotationNames.METADATA_SCRIPT_FLAG) != 0
override fun toString() = "$kind version=$metadataVersion"
}