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• ClassMembers.kt

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org.jetbrains.kotlin.fir.ClassMembers.kt Maven / Gradle / Ivy

/*
 * 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.fir

import org.jetbrains.kotlin.fir.declarations.*
import org.jetbrains.kotlin.fir.declarations.utils.isLocal
import org.jetbrains.kotlin.fir.declarations.utils.isSynthetic
import org.jetbrains.kotlin.fir.symbols.impl.FirCallableSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirClassLikeSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirNamedFunctionSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirRegularClassSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirScriptSymbol
import org.jetbrains.kotlin.fir.types.ConeClassLikeLookupTag
import org.jetbrains.kotlin.fir.types.ConeClassLikeType
import org.jetbrains.kotlin.fir.types.ConeIntersectionType
import org.jetbrains.kotlin.fir.types.ConeKotlinType
import org.jetbrains.kotlin.fir.types.toLookupTag

fun FirCallableSymbol<*>.dispatchReceiverClassTypeOrNull(): ConeClassLikeType? =
    fir.dispatchReceiverClassTypeOrNull()

fun FirCallableDeclaration.dispatchReceiverClassTypeOrNull(): ConeClassLikeType? =
    if (dispatchReceiverType is ConeIntersectionType && isIntersectionOverride)
        baseForIntersectionOverride!!.dispatchReceiverClassTypeOrNull()
    else
        dispatchReceiverType as? ConeClassLikeType

fun FirCallableSymbol<*>.dispatchReceiverClassLookupTagOrNull(): ConeClassLikeLookupTag? =
    fir.dispatchReceiverClassLookupTagOrNull()

fun FirCallableDeclaration.dispatchReceiverClassLookupTagOrNull(): ConeClassLikeLookupTag? =
    dispatchReceiverClassTypeOrNull()?.lookupTag

fun FirCallableSymbol<*>.containingClassLookupTag(): ConeClassLikeLookupTag? =
    fir.containingClassLookupTag()

fun FirCallableDeclaration.containingClassLookupTag(): ConeClassLikeLookupTag? =
    containingClassForStaticMemberAttr ?: dispatchReceiverClassLookupTagOrNull()

fun FirRegularClass.containingClassForLocal(): ConeClassLikeLookupTag? =
    if (isLocal) containingClassForLocalAttr else null

fun FirDanglingModifierList.containingClass(): ConeClassLikeLookupTag? =
    containingClassAttr

fun FirClassLikeSymbol<*>.getContainingClassLookupTag(): ConeClassLikeLookupTag? {
    return if (classId.isLocal) {
        (fir as? FirRegularClass)?.containingClassForLocal()
    } else {
        val ownerId = classId.outerClassId
        ownerId?.toLookupTag()
    }
}

private object ContainingClassKey : FirDeclarationDataKey()
var FirCallableDeclaration.containingClassForStaticMemberAttr: ConeClassLikeLookupTag? by FirDeclarationDataRegistry.data(ContainingClassKey)
var FirRegularClass.containingClassForLocalAttr: ConeClassLikeLookupTag? by FirDeclarationDataRegistry.data(ContainingClassKey)
var FirDanglingModifierList.containingClassAttr: ConeClassLikeLookupTag? by FirDeclarationDataRegistry.data(ContainingClassKey)
val FirRegularClassSymbol.containingClassForLocalAttr: ConeClassLikeLookupTag?
    get() = fir.containingClassForLocalAttr

private object ContainingScriptKey : FirDeclarationDataKey()
var FirClassLikeDeclaration.containingScriptSymbolAttr: FirScriptSymbol? by FirDeclarationDataRegistry.data(ContainingScriptKey)

private object HasNoEnumEntriesKey : FirDeclarationDataKey()
var FirClass.hasNoEnumEntriesAttr: Boolean? by FirDeclarationDataRegistry.data(HasNoEnumEntriesKey)

// Must be true iff the class metadata contains the hasEnumEntries flag
val FirClass.hasEnumEntries get() = hasNoEnumEntriesAttr != true

private object IsNewPlaceForBodyGeneration : FirDeclarationDataKey()
var FirRegularClass.isNewPlaceForBodyGeneration: Boolean? by FirDeclarationDataRegistry.data(IsNewPlaceForBodyGeneration)

val FirCallableDeclaration.isIntersectionOverride: Boolean get() = origin == FirDeclarationOrigin.IntersectionOverride
val FirCallableDeclaration.isSubstitutionOverride: Boolean get() = origin is FirDeclarationOrigin.SubstitutionOverride
val FirCallableDeclaration.isSubstitutionOrIntersectionOverride: Boolean get() = isSubstitutionOverride || isIntersectionOverride
val FirCallableDeclaration.isDelegated: Boolean get() = origin == FirDeclarationOrigin.Delegated
val FirCallableDeclaration.isCopyCreatedInScope: Boolean get() = isSubstitutionOrIntersectionOverride || isDelegated
val FirCallableDeclaration.canHaveDeferredReturnTypeCalculation: Boolean get() = isCopyCreatedInScope || origin == FirDeclarationOrigin.Enhancement || origin == FirDeclarationOrigin.Synthetic.JavaProperty

val FirCallableSymbol<*>.isIntersectionOverride: Boolean get() = origin == FirDeclarationOrigin.IntersectionOverride
val FirCallableSymbol<*>.isSubstitutionOverride: Boolean get() = origin is FirDeclarationOrigin.SubstitutionOverride
val FirCallableSymbol<*>.isSubstitutionOrIntersectionOverride: Boolean get() = isSubstitutionOverride || isIntersectionOverride
val FirCallableSymbol<*>.isDelegated: Boolean get() = origin == FirDeclarationOrigin.Delegated
val FirCallableSymbol<*>.isCopyCreatedInScope: Boolean get() = isSubstitutionOrIntersectionOverride || isDelegated

inline val  D.originalForSubstitutionOverride: D?
    get() = if (isSubstitutionOverride || isSynthetic) originalForSubstitutionOverrideAttr else null

inline val > S.originalForSubstitutionOverride: S?
    get() = fir.originalForSubstitutionOverride?.symbol as S?

inline val  D.baseForIntersectionOverride: D?
    get() = if (isIntersectionOverride) originalForIntersectionOverrideAttr else null

inline val > S.baseForIntersectionOverride: S?
    get() = fir.baseForIntersectionOverride?.symbol as S?

inline fun  D.originalIfFakeOverride(): D? =
    originalForSubstitutionOverride ?: baseForIntersectionOverride

inline fun  D.originalIfFakeOverrideOrDelegated(): D? =
    originalForSubstitutionOverride ?: baseForIntersectionOverride ?: delegatedWrapperData?.wrapped

inline fun > S.originalIfFakeOverride(): S? =
    fir.originalIfFakeOverride()?.symbol as S?

inline fun  D.originalOrSelf(): D {
    var result = this
    while (result.isSubstitutionOrIntersectionOverride) {
        result = result.originalIfFakeOverride() ?: break
    }
    return result
}

inline fun > S.originalOrSelf(): S = fir.originalOrSelf().symbol as S

inline fun  D.unwrapFakeOverrides(): D {
    var current = this

    do {
        val next = current.originalIfFakeOverride() ?: return current
        current = next
    } while (true)
}

inline fun  D.unwrapFakeOverridesOrDelegated(): D {
    var current = this

    do {
        val next = current.originalIfFakeOverrideOrDelegated() ?: return current
        current = next
    } while (true)
}

inline fun > D.unwrapFakeOverridesOrDelegated(): D =
    fir.unwrapFakeOverridesOrDelegated().symbol as D

inline fun  D.unwrapSubstitutionOverrides(): D {
    var current = this

    do {
        val next = current.originalForSubstitutionOverride ?: return current
        current = next
    } while (true)
}

inline fun  D.unwrapUseSiteSubstitutionOverrides(): D {
    var current = this

    do {
        if (current.origin != FirDeclarationOrigin.SubstitutionOverride.CallSite) return current
        val next = current.originalForSubstitutionOverride ?: return current
        current = next
    } while (true)
}

inline fun > S.unwrapUseSiteSubstitutionOverrides(): S {
    return fir.unwrapUseSiteSubstitutionOverrides().symbol as S
}

inline fun > S.unwrapFakeOverrides(): S = fir.unwrapFakeOverrides().symbol as S

inline fun > S.unwrapSubstitutionOverrides(): S = fir.unwrapSubstitutionOverrides().symbol as S

private object SubstitutedOverrideOriginalKey : FirDeclarationDataKey()

var 
        D.originalForSubstitutionOverrideAttr: D? by FirDeclarationDataRegistry.data(SubstitutedOverrideOriginalKey)

private object IntersectionOverrideOriginalKey : FirDeclarationDataKey()

var 
        D.originalForIntersectionOverrideAttr: D? by FirDeclarationDataRegistry.data(IntersectionOverrideOriginalKey)

private object InitialSignatureKey : FirDeclarationDataKey()

/**
 * Some Java declarations are renamed (CharSequence.charAt) or have signatures with erased (Object) value parameters (Collection.remove).
 *
 * When the receiver is a mapped declaration with a Kotlin signature, this property returns the declaration with the initial Java signature.
 */
var FirCallableDeclaration.initialSignatureAttr: FirNamedFunctionSymbol? by FirDeclarationDataRegistry.data(InitialSignatureKey)

private object MatchingParameterFunctionTypeKey : FirDeclarationDataKey()

/**
 * Consider the following
 * ```
 * fun  run(block: @Foo T.() -> Unit) {...}
 *
 * fun test() {
 *   run {
 *     
 *   }
 * }
 * ```
 * The original function type `@Foo T.() -> Unit` can be accessed with this property on the FirAnonymousFunction at caret.
 */
var 
        D.matchingParameterFunctionType: ConeKotlinType? by FirDeclarationDataRegistry.data(MatchingParameterFunctionTypeKey)

private object CorrespondingProperty : FirDeclarationDataKey()

/**
 * The corresponding [FirProperty] if the current value parameter is a `val` or `var` declared inside the primary constructor.
 */
var FirValueParameter.correspondingProperty: FirProperty? by FirDeclarationDataRegistry.data(CorrespondingProperty)

val FirCallableDeclaration.propertyIfAccessor: FirCallableDeclaration
    get() = (this as? FirPropertyAccessor)?.propertySymbol?.fir ?: this

val FirCallableDeclaration.propertyIfBackingField: FirCallableDeclaration
    get() = (this as? FirBackingField)?.propertySymbol?.fir ?: this

private object IsJavaRecordKey : FirDeclarationDataKey()
var FirRegularClass.isJavaRecord: Boolean? by FirDeclarationDataRegistry.data(IsJavaRecordKey)

private object IsJavaRecordComponentKey : FirDeclarationDataKey()
var FirFunction.isJavaRecordComponent: Boolean? by FirDeclarationDataRegistry.data(IsJavaRecordComponentKey)

private object IsCatchParameterProperty : FirDeclarationDataKey()

var FirProperty.isCatchParameter: Boolean? by FirDeclarationDataRegistry.data(IsCatchParameterProperty)

private object DelegatedWrapperDataKey : FirDeclarationDataKey()

class DelegatedWrapperData(
    val wrapped: D,
    val containingClass: ConeClassLikeLookupTag,
    val delegateField: FirField,
) {
    override fun toString(): String = "[${::wrapped.name}=${wrapped.symbol}, " +
            "${::containingClass.name}=$containingClass, " +
            "${::delegateField.name}=${delegateField.symbol}"
}

var 
        D.delegatedWrapperData: DelegatedWrapperData? by FirDeclarationDataRegistry.data(DelegatedWrapperDataKey)

val  FirCallableSymbol.delegatedWrapperData: DelegatedWrapperData?
    get() = fir.delegatedWrapperData