FIR: fix private-to-this corner case with outer class type parameter

Related to KT-49875
This commit is contained in:
Mikhail Glukhikh
2022-07-13 16:43:11 +02:00
committed by Space
parent d16e5e5e50
commit 623f832bfd
5 changed files with 58 additions and 2 deletions
@@ -9,6 +9,7 @@ import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.fir.*
import org.jetbrains.kotlin.fir.declarations.*
import org.jetbrains.kotlin.fir.declarations.impl.FirDeclarationStatusImpl
import org.jetbrains.kotlin.fir.declarations.impl.FirOuterClassTypeParameterRef
import org.jetbrains.kotlin.fir.declarations.impl.FirResolvedDeclarationStatusImpl
import org.jetbrains.kotlin.fir.declarations.utils.effectiveVisibility
import org.jetbrains.kotlin.fir.declarations.utils.isExpect
@@ -17,6 +18,7 @@ import org.jetbrains.kotlin.fir.declarations.utils.visibility
import org.jetbrains.kotlin.fir.extensions.*
import org.jetbrains.kotlin.fir.render
import org.jetbrains.kotlin.fir.resolve.ScopeSession
import org.jetbrains.kotlin.fir.resolve.toSymbol
import org.jetbrains.kotlin.fir.scopes.ProcessorAction
import org.jetbrains.kotlin.fir.scopes.unsubstitutedScope
import org.jetbrains.kotlin.fir.symbols.ensureResolved
@@ -321,7 +323,9 @@ class FirStatusResolver(
return !type.lookupTag.typeParameterSymbol.fir.variance.allowsPosition(requiredVariance)
}
if (type is ConeClassLikeType) {
for (argument in type.typeArguments) {
val classLike = type.lookupTag.toSymbol(session)?.fir
for ((index, argument) in type.typeArguments.withIndex()) {
if (classLike?.typeParameters?.getOrNull(index) is FirOuterClassTypeParameterRef) continue
val (argType, requiredVarianceForArgument) = when (argument) {
is ConeKotlinTypeProjectionOut -> argument.type to requiredVariance
is ConeKotlinTypeProjectionIn -> argument.type to requiredVariance.opposite()
@@ -3,6 +3,8 @@
class A<in T>(t: T) {
private val t: T = t // PRIVATE_TO_THIS
private val i: B = B()
fun test() {
val x: T = t // Ok
val y: T = this.t // Ok
@@ -11,4 +13,14 @@ class A<in T>(t: T) {
fun foo(a: A<String>) {
val x: String = a.<!INVISIBLE_REFERENCE!>t<!> // Invisible!
}
}
fun bar(a: A<*>) {
a.<!INVISIBLE_REFERENCE!>t<!> // Invisible!
}
inner class B {
fun baz(a: A<*>) {
a.i
}
}
}
@@ -7,6 +7,9 @@ FILE: privateToThis.fir.kt
private/*private to this*/ final val t: R|T| = R|<local>/t|
private/*private to this*/ get(): R|T|
private final val i: R|A.B<T>| = this@R|/A|.R|SubstitutionOverride</A.B.B>|()
private get(): R|A.B<T>|
public final fun test(): R|kotlin/Unit| {
lval x: R|T| = this@R|/A|.R|/A.t|
lval y: R|T| = this@R|/A|.R|/A.t|
@@ -16,4 +19,19 @@ FILE: privateToThis.fir.kt
lval x: R|kotlin/String| = R|<local>/a|.<HIDDEN: /A.t is invisible>#
}
public final fun bar(a: R|A<*>|): R|kotlin/Unit| {
R|<local>/a|.<HIDDEN: /A.t is invisible>#
}
public final inner class B<in T> : R|kotlin/Any| {
public A<T>.constructor(): R|A.B<T>| {
super<R|kotlin/Any|>()
}
public final fun baz(a: R|A<*>|): R|kotlin/Unit| {
R|<local>/a|.R|SubstitutionOverride</A.i: R|A.B<CapturedType(*)>|>|
}
}
}
@@ -3,6 +3,8 @@
class A<in T>(t: T) {
private val t: T = t // PRIVATE_TO_THIS
private val i: B = B()
fun test() {
val x: T = t // Ok
val y: T = this.t // Ok
@@ -11,4 +13,14 @@ class A<in T>(t: T) {
fun foo(a: A<String>) {
val x: String = a.<!INVISIBLE_MEMBER!>t<!> // Invisible!
}
fun bar(a: A<*>) {
a.<!INVISIBLE_MEMBER!>t<!> // Invisible!
}
inner class B {
fun baz(a: A<*>) {
a.i
}
}
}
@@ -2,10 +2,20 @@ package
public final class A</*0*/ in T> {
public constructor A</*0*/ in T>(/*0*/ t: T)
private final val i: A<T>.B
private/*private to this*/ final val t: T
public final fun bar(/*0*/ a: A<*>): kotlin.Unit
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public final fun foo(/*0*/ a: A<kotlin.String>): kotlin.Unit
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public final fun test(): kotlin.Unit
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
public final inner class B /*captured type parameters: /*0*/ in T*/ {
public constructor B()
public final fun baz(/*0*/ a: A<*>): kotlin.Unit
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
}