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[AA] Provide API for obtaining array element type of KtType

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KTIJ-23199
This commit is contained in:
aleksandrina-streltsova
2023-06-21 17:17:00 +03:00
parent 37c2c862d8
commit 4ccea40651
3 changed files with 28 additions and 0 deletions
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analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/components/KtFe10TypeProvider.kt
+15
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@@ -27,6 +27,7 @@ import org.jetbrains.kotlin.analysis.api.lifetime.KtLifetimeToken
import org.jetbrains.kotlin.analysis.api.types.KtType
import org.jetbrains.kotlin.analysis.api.types.KtTypeNullability
import org.jetbrains.kotlin.analysis.api.lifetime.withValidityAssertion
import org.jetbrains.kotlin.builtins.KotlinBuiltIns
import org.jetbrains.kotlin.config.LanguageFeature
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.name.StandardClassIds
@@ -47,8 +48,12 @@ import org.jetbrains.kotlin.types.checker.intersectWrappedTypes
import org.jetbrains.kotlin.types.error.ErrorType
import org.jetbrains.kotlin.types.error.ErrorTypeKind
import org.jetbrains.kotlin.types.error.ErrorUtils
import org.jetbrains.kotlin.types.typeUtil.builtIns
import org.jetbrains.kotlin.types.typeUtil.isGenericArrayOfTypeParameter
import org.jetbrains.kotlin.types.typeUtil.isNothing
import org.jetbrains.kotlin.types.typeUtil.makeNullable
import org.jetbrains.kotlin.util.containingNonLocalDeclaration
import org.jetbrains.kotlin.utils.addToStdlib.applyIf
internal class KtFe10TypeProvider(
override val analysisSession: KtFe10AnalysisSession
@@ -146,6 +151,16 @@ internal class KtFe10TypeProvider(
return descriptor.dispatchReceiverParameter?.type?.toKtType(analysisContext)
}
override fun getArrayElementType(type: KtType): KtType? {
require(type is KtFe10Type)
val fe10Type = type.fe10Type
if (!KotlinBuiltIns.isArrayOrPrimitiveArray(fe10Type)) return null
val arrayElementType = fe10Type.builtIns.getArrayElementType(fe10Type)
return arrayElementType.toKtType(analysisContext)
}
private fun areTypesCompatible(a: KotlinType, b: KotlinType): Boolean {
if (a.isNothing() || b.isNothing() || TypeUtils.equalTypes(a, b) || (a.isNullable() && b.isNullable())) {
return true