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/*
* 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.load.kotlin
import org.jetbrains.kotlin.types.Variance
@RequiresOptIn
annotation class TypeMappingModeInternals
@OptIn(TypeMappingModeInternals::class)
class TypeMappingMode @TypeMappingModeInternals constructor(
val needPrimitiveBoxing: Boolean = true,
val needInlineClassWrapping: Boolean = true,
val isForAnnotationParameter: Boolean = false,
// Here DeclarationSiteWildcards means wildcard generated because of declaration-site variance
val skipDeclarationSiteWildcards: Boolean = false,
val skipDeclarationSiteWildcardsIfPossible: Boolean = false,
private val genericArgumentMode: TypeMappingMode? = null,
val kotlinCollectionsToJavaCollections: Boolean = true,
private val genericContravariantArgumentMode: TypeMappingMode? = genericArgumentMode,
private val genericInvariantArgumentMode: TypeMappingMode? = genericArgumentMode,
val mapTypeAliases: Boolean = false
) {
companion object {
/**
* kotlin.Int is mapped to Ljava/lang/Integer;
*/
@JvmField
val GENERIC_ARGUMENT = TypeMappingMode()
/**
* kotlin.Int is mapped to Ljava/lang/Integer;
* Type aliases are mapped to their expanded form
*/
@JvmField
val GENERIC_ARGUMENT_UAST = TypeMappingMode(mapTypeAliases = true)
/**
* see KotlinTypeMapper.forceBoxedReturnType()
* This configuration should be called only for method return type
*/
@JvmField
val RETURN_TYPE_BOXED = TypeMappingMode(needInlineClassWrapping = true)
/**
* kotlin.Int is mapped to I
*/
@JvmField
val DEFAULT = TypeMappingMode(genericArgumentMode = GENERIC_ARGUMENT, needPrimitiveBoxing = false, needInlineClassWrapping = false)
/**
* kotlin.Int is mapped to I
* Type aliases are mapped to their expanded form
*/
@JvmField
val DEFAULT_UAST = TypeMappingMode(
genericArgumentMode = GENERIC_ARGUMENT_UAST,
needPrimitiveBoxing = false,
needInlineClassWrapping = false,
mapTypeAliases = true
)
/**
* kotlin.Int is mapped to I
* inline class Foo(val x: Int) is mapped to LFoo;
* but in signature fun bar(f: Foo), Foo is mapped to I
*/
@JvmField
val CLASS_DECLARATION = TypeMappingMode(
genericArgumentMode = GENERIC_ARGUMENT,
needPrimitiveBoxing = false,
needInlineClassWrapping = true
)
/**
* kotlin.Int is mapped to Ljava/lang/Integer;
* No projections allowed in immediate arguments
*/
@JvmField
val SUPER_TYPE = TypeMappingMode(skipDeclarationSiteWildcards = true, genericArgumentMode = GENERIC_ARGUMENT)
@JvmField
val SUPER_TYPE_KOTLIN_COLLECTIONS_AS_IS = TypeMappingMode(
skipDeclarationSiteWildcards = true,
genericArgumentMode = GENERIC_ARGUMENT,
kotlinCollectionsToJavaCollections = false
)
/**
* kotlin.reflect.KClass mapped to java.lang.Class when at top level or in an array;
* primitive types and inline class types are not boxed because types in annotations cannot be nullable
* Other types mapped as DEFAULT
*/
@JvmField
val VALUE_FOR_ANNOTATION = TypeMappingMode(
isForAnnotationParameter = true,
needPrimitiveBoxing = false,
needInlineClassWrapping = false,
genericArgumentMode = GENERIC_ARGUMENT
)
@JvmStatic
fun getModeForReturnTypeNoGeneric(
isAnnotationMethod: Boolean
) = if (isAnnotationMethod) VALUE_FOR_ANNOTATION else DEFAULT
@JvmStatic
fun createWithConstantDeclarationSiteWildcardsMode(
skipDeclarationSiteWildcards: Boolean,
isForAnnotationParameter: Boolean,
needInlineClassWrapping: Boolean,
mapTypeAliases: Boolean,
fallbackMode: TypeMappingMode? = null
): TypeMappingMode = TypeMappingMode(
isForAnnotationParameter = isForAnnotationParameter,
skipDeclarationSiteWildcards = skipDeclarationSiteWildcards,
genericArgumentMode = fallbackMode,
needInlineClassWrapping = needInlineClassWrapping,
mapTypeAliases = mapTypeAliases
)
}
fun toGenericArgumentMode(effectiveVariance: Variance, ofArray: Boolean = false): TypeMappingMode =
if (ofArray && isForAnnotationParameter) this else when (effectiveVariance) {
Variance.IN_VARIANCE -> genericContravariantArgumentMode ?: this
Variance.INVARIANT -> genericInvariantArgumentMode ?: this
else -> genericArgumentMode ?: this
}
fun wrapInlineClassesMode(): TypeMappingMode =
TypeMappingMode(
needPrimitiveBoxing, true, isForAnnotationParameter, skipDeclarationSiteWildcards, skipDeclarationSiteWildcardsIfPossible,
genericArgumentMode, kotlinCollectionsToJavaCollections, genericContravariantArgumentMode, genericInvariantArgumentMode
)
fun dontWrapInlineClassesMode(): TypeMappingMode =
TypeMappingMode(
needPrimitiveBoxing, false, isForAnnotationParameter, skipDeclarationSiteWildcards, skipDeclarationSiteWildcardsIfPossible,
genericArgumentMode, kotlinCollectionsToJavaCollections, genericContravariantArgumentMode, genericInvariantArgumentMode
)
}
