/*
* Copyright 2010-2017 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.resolve.jvm
import org.jetbrains.kotlin.config.LanguageFeature
import org.jetbrains.kotlin.config.LanguageVersionSettings
import org.jetbrains.kotlin.descriptors.annotations.FilteredAnnotations
import org.jetbrains.kotlin.load.java.JvmAnnotationNames
import org.jetbrains.kotlin.resolve.BindingTrace
import org.jetbrains.kotlin.resolve.DeclarationReturnTypeSanitizer
import org.jetbrains.kotlin.types.UnwrappedType
import org.jetbrains.kotlin.types.WrappedTypeFactory
object JvmDeclarationReturnTypeSanitizer : DeclarationReturnTypeSanitizer {
override fun sanitizeReturnType(
inferred: UnwrappedType,
wrappedTypeFactory: WrappedTypeFactory,
trace: BindingTrace,
languageVersionSettings: LanguageVersionSettings
): UnwrappedType =
if (languageVersionSettings.supportsFeature(LanguageFeature.StrictJavaNullabilityAssertions)) {
// NB can't check for presence of EnhancedNullability here,
// because it will also cause recursion in declaration type resolution.
inferred.replaceAnnotations(FilteredAnnotations(inferred.annotations) {
it != JvmAnnotationNames.ENHANCED_NULLABILITY_ANNOTATION
})
}
else inferred
}