001 /*
002 * Copyright 2010-2015 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 package org.jetbrains.kotlin.descriptors.impl;
018
019 import org.jetbrains.annotations.NotNull;
020 import org.jetbrains.kotlin.descriptors.ClassifierDescriptor;
021 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor;
022 import org.jetbrains.kotlin.descriptors.SourceElement;
023 import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor;
024 import org.jetbrains.kotlin.descriptors.annotations.Annotations;
025 import org.jetbrains.kotlin.name.Name;
026 import org.jetbrains.kotlin.storage.StorageManager;
027 import org.jetbrains.kotlin.types.JetType;
028 import org.jetbrains.kotlin.types.TypeConstructor;
029 import org.jetbrains.kotlin.types.Variance;
030
031 import java.util.Collection;
032 import java.util.Collections;
033 import java.util.List;
034
035 public abstract class AbstractLazyTypeParameterDescriptor extends AbstractTypeParameterDescriptor {
036 public AbstractLazyTypeParameterDescriptor(
037 @NotNull StorageManager storageManager,
038 @NotNull DeclarationDescriptor containingDeclaration,
039 @NotNull Name name,
040 @NotNull Variance variance,
041 boolean isReified,
042 int index,
043 @NotNull SourceElement source
044 ) {
045 super(storageManager, containingDeclaration, Annotations.EMPTY /* TODO */, name, variance, isReified, index, source);
046 }
047
048 @NotNull
049 @Override
050 protected TypeConstructor createTypeConstructor() {
051 return new TypeConstructor() {
052 @NotNull
053 @Override
054 public Collection<JetType> getSupertypes() {
055 return AbstractLazyTypeParameterDescriptor.this.getUpperBounds();
056 }
057
058 @NotNull
059 @Override
060 public List<TypeParameterDescriptor> getParameters() {
061 return Collections.emptyList();
062 }
063
064 @Override
065 public boolean isFinal() {
066 return false;
067 }
068
069 @Override
070 public boolean isDenotable() {
071 return true;
072 }
073
074 @Override
075 public ClassifierDescriptor getDeclarationDescriptor() {
076 return AbstractLazyTypeParameterDescriptor.this;
077 }
078
079 @NotNull
080 @Override
081 public Annotations getAnnotations() {
082 return AbstractLazyTypeParameterDescriptor.this.getAnnotations();
083 }
084
085 @Override
086 public String toString() {
087 return getName().toString();
088 }
089 };
090 }
091
092 @Override
093 public String toString() {
094 // Not using descriptor renderer to preserve laziness
095 return String.format(
096 "%s%s%s",
097 isReified() ? "reified " : "",
098 getVariance() == Variance.INVARIANT ? "" : getVariance() + " ",
099 getName()
100 );
101 }
102 }