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.CollectionsKt;
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.KotlinType;
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 boolean isCrossinline;
035        private final boolean isNoinline;
036        private final KotlinType varargElementType;
037        private final int index;
038        private final ValueParameterDescriptor original;
039    
040        public ValueParameterDescriptorImpl(
041                @NotNull CallableDescriptor containingDeclaration,
042                @Nullable ValueParameterDescriptor original,
043                int index,
044                @NotNull Annotations annotations,
045                @NotNull Name name,
046                @NotNull KotlinType outType,
047                boolean declaresDefaultValue,
048                boolean isCrossinline,
049                boolean isNoinline,
050                @Nullable KotlinType varargElementType,
051                @NotNull SourceElement source
052        ) {
053            super(containingDeclaration, annotations, name, outType, source);
054            this.original = original == null ? this : original;
055            this.index = index;
056            this.declaresDefaultValue = declaresDefaultValue;
057            this.isCrossinline = isCrossinline;
058            this.isNoinline = isNoinline;
059            this.varargElementType = varargElementType;
060        }
061    
062        @NotNull
063        @Override
064        public CallableDescriptor getContainingDeclaration() {
065            return (CallableDescriptor) super.getContainingDeclaration();
066        }
067    
068        @Override
069        public int getIndex() {
070            return index;
071        }
072    
073        @Override
074        public boolean declaresDefaultValue() {
075            return declaresDefaultValue && ((CallableMemberDescriptor) getContainingDeclaration()).getKind().isReal();
076        }
077    
078        @Override
079        public boolean isCrossinline() {
080            return isCrossinline;
081        }
082    
083        @Override
084        public boolean isNoinline() {
085            return isNoinline;
086        }
087    
088        @Nullable
089        @Override
090        public KotlinType getVarargElementType() {
091            return varargElementType;
092        }
093    
094        @NotNull
095        @Override
096        public ValueParameterDescriptor getOriginal() {
097            return original == this ? this : original.getOriginal();
098        }
099    
100        @NotNull
101        @Override
102        public ValueParameterDescriptor substitute(@NotNull TypeSubstitutor substitutor) {
103            if (substitutor.isEmpty()) return this;
104            throw new UnsupportedOperationException(); // TODO
105        }
106    
107        @Override
108        public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
109            return visitor.visitValueParameterDescriptor(this, data);
110        }
111    
112        @Override
113        public boolean isVar() {
114            return false;
115        }
116    
117        @Nullable
118        @Override
119        public ConstantValue<?> getCompileTimeInitializer() {
120            return null;
121        }
122    
123        @NotNull
124        @Override
125        public ValueParameterDescriptor copy(@NotNull CallableDescriptor newOwner, @NotNull Name newName) {
126            return new ValueParameterDescriptorImpl(
127                    newOwner, null, index, getAnnotations(), newName, getType(), declaresDefaultValue(), isCrossinline(), isNoinline(), varargElementType,
128                    SourceElement.NO_SOURCE
129            );
130        }
131    
132        @NotNull
133        @Override
134        public Visibility getVisibility() {
135            return Visibilities.LOCAL;
136        }
137    
138        @NotNull
139        @Override
140        public Collection<? extends ValueParameterDescriptor> getOverriddenDescriptors() {
141            return CollectionsKt.map(
142                    getContainingDeclaration().getOverriddenDescriptors(),
143                    new Function1<CallableDescriptor, ValueParameterDescriptor>() {
144                        @Override
145                        public ValueParameterDescriptor invoke(CallableDescriptor descriptor) {
146                            return descriptor.getValueParameters().get(getIndex());
147                        }
148                    });
149        }
150    }