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[FIR] Add smartcasts from == if equals is from Any

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^KT-49127 Fixed
This commit is contained in:
Dmitriy Novozhilov
2021-12-01 13:50:55 +03:00
committed by teamcityserver
parent ac718cd1c4
commit 1f0b62b25f
16 changed files with 472 additions and 29 deletions
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compiler/fir/semantics/src/org/jetbrains/kotlin/fir/resolve/DeclarationUtils.kt
+8
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@@ -15,6 +15,7 @@ import org.jetbrains.kotlin.fir.symbols.impl.FirTypeParameterSymbol
import org.jetbrains.kotlin.fir.symbols.impl.LookupTagInternals
import org.jetbrains.kotlin.fir.types.*
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.kotlin.util.OperatorNameConventions
fun FirClassLikeDeclaration.getContainingDeclaration(session: FirSession): FirClassLikeDeclaration? {
if (isLocal) {
@@ -86,3 +87,10 @@ var FirConstructor.originalConstructorIfTypeAlias: FirConstructor? by FirDeclara
val FirConstructorSymbol.isTypeAliasedConstructor: Boolean
get() = fir.originalConstructorIfTypeAlias != null
fun FirSimpleFunction.isEquals(): Boolean {
if (name != OperatorNameConventions.EQUALS) return false
if (valueParameters.size != 1) return false
val parameter = valueParameters.first()
return parameter.returnTypeRef.isNullableAny
}