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.psi;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.psi.PsiElement;
021    import com.intellij.psi.tree.IElementType;
022    import org.jetbrains.annotations.NotNull;
023    import org.jetbrains.annotations.Nullable;
024    import org.jetbrains.kotlin.JetNodeTypes;
025    import org.jetbrains.kotlin.lexer.JetTokens;
026    import org.jetbrains.kotlin.psi.typeRefHelpers.TypeRefHelpersPackage;
027    
028    import java.util.Collections;
029    import java.util.List;
030    
031    public abstract class JetFunctionNotStubbed extends JetTypeParameterListOwnerNotStubbed implements JetFunction {
032    
033        public JetFunctionNotStubbed(@NotNull ASTNode node) {
034            super(node);
035        }
036    
037        @Override
038        @Nullable
039        public JetParameterList getValueParameterList() {
040            return (JetParameterList) findChildByType(JetNodeTypes.VALUE_PARAMETER_LIST);
041        }
042    
043        @Override
044        @NotNull
045        public List<JetParameter> getValueParameters() {
046            JetParameterList list = getValueParameterList();
047            return list != null ? list.getParameters() : Collections.<JetParameter>emptyList();
048        }
049    
050        @Override
051        @Nullable
052        public JetExpression getBodyExpression() {
053            return findChildByClass(JetExpression.class);
054        }
055    
056        @Override
057        public boolean hasDeclaredReturnType() {
058            return false;
059        }
060    
061        @Override
062        @Nullable
063        public JetTypeReference getReceiverTypeReference() {
064            return null;
065        }
066    
067        @Override
068        @Nullable
069        public JetTypeReference getTypeReference() {
070            return null;
071        }
072    
073        @Nullable
074        @Override
075        public JetTypeReference setTypeReference(@Nullable JetTypeReference typeRef) {
076            if (typeRef == null) return null;
077            throw new IllegalStateException("Function literals can't have type reference");
078        }
079    
080        @Nullable
081        @Override
082        public PsiElement getColon() {
083            return null;
084        }
085    
086        @Override
087        public boolean isLocal() {
088            PsiElement parent = getParent();
089            return !(parent instanceof JetFile || parent instanceof JetClassBody);
090        }
091    }