001    /*
002     * Copyright 2010-2013 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.jet.codegen;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.lang.descriptors.*;
021    import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
022    import org.jetbrains.jet.lang.descriptors.impl.SimpleFunctionDescriptorImpl;
023    import org.jetbrains.jet.lang.resolve.DescriptorUtils;
024    import org.jetbrains.jet.lang.resolve.name.Name;
025    
026    import java.util.ArrayList;
027    import java.util.Collections;
028    import java.util.List;
029    
030    import static org.jetbrains.jet.lang.descriptors.ReceiverParameterDescriptor.NO_RECEIVER_PARAMETER;
031    
032    public class AccessorForFunctionDescriptor extends SimpleFunctionDescriptorImpl {
033        public AccessorForFunctionDescriptor(
034                @NotNull FunctionDescriptor descriptor,
035                @NotNull DeclarationDescriptor containingDeclaration,
036                int index
037        ) {
038            super(containingDeclaration, Collections.<AnnotationDescriptor>emptyList(),
039                  Name.identifier((descriptor instanceof ConstructorDescriptor ? "$init" : descriptor.getName()) + "$b$" + index),
040                  Kind.DECLARATION);
041    
042            initialize(DescriptorUtils.getReceiverParameterType(descriptor.getReceiverParameter()),
043                       descriptor instanceof ConstructorDescriptor ? NO_RECEIVER_PARAMETER : descriptor.getExpectedThisObject(),
044                       Collections.<TypeParameterDescriptor>emptyList(),
045                       copyValueParameters(descriptor),
046                       descriptor.getReturnType(),
047                       Modality.FINAL,
048                       Visibilities.INTERNAL,
049                       /*isInline = */ false);
050        }
051    
052        @NotNull
053        private List<ValueParameterDescriptor> copyValueParameters(@NotNull FunctionDescriptor descriptor) {
054            List<ValueParameterDescriptor> valueParameters = descriptor.getValueParameters();
055            List<ValueParameterDescriptor> result = new ArrayList<ValueParameterDescriptor>(valueParameters.size());
056            for (ValueParameterDescriptor valueParameter : valueParameters) {
057                result.add(valueParameter.copy(this, valueParameter.getName()));
058            }
059            return result;
060        }
061    }