/*
* Copyright 2010-2015 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.annotations.
NotNull;
import org.jetbrains.annotations.
Nullable;
import org.jetbrains.kotlin.descriptors.
DeclarationDescriptor;
import org.jetbrains.kotlin.descriptors.
SourceElement;
import org.jetbrains.kotlin.descriptors.
TypeParameterDescriptor;
import org.jetbrains.kotlin.descriptors.impl.
TypeParameterDescriptorImpl;
import org.jetbrains.kotlin.types.
TypeConstructor;
import org.jetbrains.kotlin.types.
TypeProjection;
import org.jetbrains.kotlin.types.
TypeProjectionImpl;
import org.jetbrains.kotlin.types.
TypeSubstitutor;
import java.util.
HashMap;
import java.util.
LinkedHashMap;
import java.util.
List;
import java.util.
Map;
public class
JavaResolverUtils {
private
JavaResolverUtils() {
}
public static
Map<
TypeParameterDescriptor,
TypeParameterDescriptorImpl>
recreateTypeParametersAndReturnMapping(
@
NotNull List<
TypeParameterDescriptor>
originalParameters,
@
Nullable DeclarationDescriptor newOwner
) {
// LinkedHashMap to save the order of type parameters
Map<
TypeParameterDescriptor,
TypeParameterDescriptorImpl>
result = new
LinkedHashMap<>();
for (
TypeParameterDescriptor typeParameter :
originalParameters) {
result.
put(
typeParameter,
TypeParameterDescriptorImpl.
createForFurtherModification(
newOwner == null ?
typeParameter.
getContainingDeclaration() :
newOwner,
typeParameter.
getAnnotations(),
typeParameter.
isReified(),
typeParameter.
getVariance(),
typeParameter.
getName(),
typeParameter.
getIndex(),
SourceElement.
NO_SOURCE
)
);
}
return
result;
}
@
NotNull
public static
TypeSubstitutor createSubstitutorForTypeParameters(
@
NotNull Map<
TypeParameterDescriptor,
TypeParameterDescriptorImpl>
originalToAltTypeParameters
) {
Map<
TypeConstructor,
TypeProjection>
typeSubstitutionContext = new
HashMap<>();
for (
Map.
Entry<
TypeParameterDescriptor,
TypeParameterDescriptorImpl>
originalToAltTypeParameter :
originalToAltTypeParameters.
entrySet()) {
typeSubstitutionContext.
put(
originalToAltTypeParameter.
getKey().
getTypeConstructor(),
new
TypeProjectionImpl(
originalToAltTypeParameter.
getValue().
getDefaultType()));
}
// TODO: Use IndexedParametersSubstitution here instead of map creation
return
TypeSubstitutor.
create(
typeSubstitutionContext);
}
}