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 kotlin.KotlinPackage;
020 import kotlin.jvm.functions.Function1;
021 import org.jetbrains.annotations.NotNull;
022 import org.jetbrains.annotations.Nullable;
023 import org.jetbrains.kotlin.descriptors.*;
024 import org.jetbrains.kotlin.descriptors.annotations.Annotations;
025 import org.jetbrains.kotlin.name.Name;
026 import org.jetbrains.kotlin.resolve.constants.ConstantValue;
027 import org.jetbrains.kotlin.types.JetType;
028 import org.jetbrains.kotlin.types.TypeSubstitutor;
029
030 import java.util.Collection;
031
032 public class ValueParameterDescriptorImpl extends VariableDescriptorImpl implements ValueParameterDescriptor {
033 private final boolean declaresDefaultValue;
034 private final JetType varargElementType;
035 private final int index;
036 private final ValueParameterDescriptor original;
037
038 public ValueParameterDescriptorImpl(
039 @NotNull CallableDescriptor containingDeclaration,
040 @Nullable ValueParameterDescriptor original,
041 int index,
042 @NotNull Annotations annotations,
043 @NotNull Name name,
044 @NotNull JetType outType,
045 boolean declaresDefaultValue,
046 @Nullable JetType varargElementType,
047 @NotNull SourceElement source
048 ) {
049 super(containingDeclaration, annotations, name, outType, source);
050 this.original = original == null ? this : original;
051 this.index = index;
052 this.declaresDefaultValue = declaresDefaultValue;
053 this.varargElementType = varargElementType;
054 }
055
056 @NotNull
057 @Override
058 public CallableDescriptor getContainingDeclaration() {
059 return (CallableDescriptor) super.getContainingDeclaration();
060 }
061
062 @Override
063 public int getIndex() {
064 return index;
065 }
066
067 @Override
068 public boolean declaresDefaultValue() {
069 return declaresDefaultValue && ((CallableMemberDescriptor) getContainingDeclaration()).getKind().isReal();
070 }
071
072 @Nullable
073 @Override
074 public JetType getVarargElementType() {
075 return varargElementType;
076 }
077
078 @NotNull
079 @Override
080 public ValueParameterDescriptor getOriginal() {
081 return original == this ? this : original.getOriginal();
082 }
083
084 @NotNull
085 @Override
086 public ValueParameterDescriptor substitute(@NotNull TypeSubstitutor substitutor) {
087 if (substitutor.isEmpty()) return this;
088 throw new UnsupportedOperationException(); // TODO
089 }
090
091 @Override
092 public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
093 return visitor.visitValueParameterDescriptor(this, data);
094 }
095
096 @Override
097 public boolean isVar() {
098 return false;
099 }
100
101 @Nullable
102 @Override
103 public ConstantValue<?> getCompileTimeInitializer() {
104 return null;
105 }
106
107 @NotNull
108 @Override
109 public ValueParameterDescriptor copy(@NotNull CallableDescriptor newOwner, @NotNull Name newName) {
110 return new ValueParameterDescriptorImpl(
111 newOwner, null, index, getAnnotations(), newName, getType(), declaresDefaultValue(), varargElementType,
112 SourceElement.NO_SOURCE
113 );
114 }
115
116 @NotNull
117 @Override
118 public Visibility getVisibility() {
119 return Visibilities.LOCAL;
120 }
121
122 @NotNull
123 @Override
124 public Collection<? extends ValueParameterDescriptor> getOverriddenDescriptors() {
125 return KotlinPackage.map(
126 getContainingDeclaration().getOverriddenDescriptors(),
127 new Function1<CallableDescriptor, ValueParameterDescriptor>() {
128 @Override
129 public ValueParameterDescriptor invoke(CallableDescriptor descriptor) {
130 return descriptor.getValueParameters().get(getIndex());
131 }
132 });
133 }
134 }