kotlin.Metadata.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 kotlin
/**
* This annotation is present on any class file produced by the Kotlin compiler and is read by the compiler and reflection.
* Parameters have very short names on purpose: these names appear in the generated class files, and we'd like to reduce their size.
*/
@Retention(AnnotationRetention.RUNTIME)
@Target(AnnotationTarget.CLASS)
internal annotation class Metadata(
/**
* A kind of the metadata this annotation encodes. Kotlin compiler recognizes the following kinds (see KotlinClassHeader.Kind):
*
* 1 Class
* 2 File
* 3 Synthetic class
* 4 Multi-file class facade
* 5 Multi-file class part
*
* The class file with a kind not listed here is treated as a non-Kotlin file.
*/
val k: Int = 1,
/**
* The version of the metadata provided in the arguments of this annotation.
*/
val mv: IntArray = intArrayOf(),
/**
* The version of the bytecode interface (naming conventions, signatures) of the class file annotated with this annotation.
*/
val bv: IntArray = intArrayOf(),
/**
* Metadata in a custom format. The format may be different (or even absent) for different kinds.
*/
val d1: Array = arrayOf(),
/**
* An addition to [d1]: array of strings which occur in metadata, written in plain text so that strings already present
* in the constant pool are reused. These strings may be then indexed in the metadata by an integer index in this array.
*/
val d2: Array = arrayOf(),
/**
* An extra string. For a multi-file part class, internal name of the facade class.
*/
val xs: String = "",
/**
* Fully qualified name of the package this class is located in, from Kotlin's point of view, or empty string if this name
* does not differ from the JVM's package FQ name. These names can be different in case the [JvmPackageName] annotation is used.
* Note that this information is also stored in the corresponding module's `.kotlin_module` file.
*/
@SinceKotlin("1.2")
val pn: String = "",
/**
* An extra int. Bits of this number represent the following flags:
*
* 0 - this is a multi-file class facade or part, compiled with `-Xmultifile-parts-inherit`.
* 1 - this class file is compiled by a pre-release version of Kotlin and is not visible to release versions.
* 2 - this class file is a compiled Kotlin script source file (.kts).
*/
@SinceKotlin("1.1")
val xi: Int = 0
)