Alexander Udalov
84 lines
3.8 KiB
Kotlin
84 lines
3.8 KiB
Kotlin
/*
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* Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package kotlin
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/**
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* This annotation is present on any class file produced by the Kotlin compiler and is read by the compiler and reflection.
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* Parameters have very short JVM names on purpose: these names appear in all generated class files, and we'd like to reduce their size.
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*/
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@Retention(AnnotationRetention.RUNTIME)
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@Target(AnnotationTarget.CLASS)
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@SinceKotlin("1.3")
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public annotation class Metadata(
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/**
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* A kind of the metadata this annotation encodes. Kotlin compiler recognizes the following kinds (see KotlinClassHeader.Kind):
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*
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* 1 Class
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* 2 File
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* 3 Synthetic class
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* 4 Multi-file class facade
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* 5 Multi-file class part
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*
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* The class file with a kind not listed here is treated as a non-Kotlin file.
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*/
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@get:JvmName("k")
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val kind: Int = 1,
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/**
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* The version of the metadata provided in the arguments of this annotation.
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*/
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@get:JvmName("mv")
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val metadataVersion: IntArray = [],
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/**
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* The version of the bytecode interface (naming conventions, signatures) of the class file annotated with this annotation.
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*/
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@Deprecated(
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"Bytecode version had no significant use in Kotlin metadata and it will be removed in a future version.",
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level = DeprecationLevel.WARNING,
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)
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@get:JvmName("bv")
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val bytecodeVersion: IntArray = [1, 0, 3],
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/**
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* Metadata in a custom format. The format may be different (or even absent) for different kinds.
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*/
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@get:JvmName("d1")
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val data1: Array<String> = [],
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/**
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* An addition to [data1]: array of strings which occur in metadata, written in plain text so that strings already present
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* in the constant pool are reused. These strings may be then indexed in the metadata by an integer index in this array.
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*/
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@get:JvmName("d2")
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val data2: Array<String> = [],
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/**
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* An extra string. For a multi-file part class, internal name of the facade class.
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*/
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@get:JvmName("xs")
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val extraString: String = "",
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/**
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* Fully qualified name of the package this class is located in, from Kotlin's point of view, or empty string if this name
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* does not differ from the JVM's package FQ name. These names can be different in case the [JvmPackageName] annotation is used.
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* Note that this information is also stored in the corresponding module's `.kotlin_module` file.
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*/
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@SinceKotlin("1.2")
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@get:JvmName("pn")
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val packageName: String = "",
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/**
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* An extra int. Bits of this number represent the following flags:
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*
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* * 0 - this is a multi-file class facade or part, compiled with `-Xmultifile-parts-inherit`.
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* * 1 - this class file is compiled by a pre-release version of Kotlin and is not visible to release versions.
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* * 2 - this class file is a compiled Kotlin script source file (.kts).
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* * 3 - "strict metadata version semantics". The metadata of this class file is not supposed to be read by the compiler,
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* whose major.minor version is less than the major.minor version of this metadata ([metadataVersion]).
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* * 4 - this class file is compiled with the new Kotlin compiler backend (JVM IR) introduced in Kotlin 1.4.
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* * 5 - this class file has stable metadata and ABI. This is used only for class files compiled with JVM IR (see flag #4) or FIR (#6),
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* and prevents metadata incompatibility diagnostics from being reported where the class is used.
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* * 6 - this class file is compiled with the new Kotlin compiler frontend (FIR).
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*/
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@SinceKotlin("1.1")
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@get:JvmName("xi")
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val extraInt: Int = 0
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)
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