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.lang.psi;
018    
019    import com.google.common.collect.Lists;
020    import com.intellij.lang.ASTNode;
021    import com.intellij.openapi.util.TextRange;
022    import com.intellij.psi.PsiElement;
023    import com.intellij.psi.PsiReference;
024    import com.intellij.psi.PsiReferenceService;
025    import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry;
026    import com.intellij.psi.util.PsiTreeUtil;
027    import org.jetbrains.annotations.NotNull;
028    import org.jetbrains.annotations.Nullable;
029    import org.jetbrains.jet.JetNodeTypes;
030    import org.jetbrains.jet.lexer.JetTokens;
031    
032    import java.util.Collections;
033    import java.util.List;
034    
035    public class JetArrayAccessExpression extends JetReferenceExpression {
036        public JetArrayAccessExpression(@NotNull ASTNode node) {
037            super(node);
038        }
039    
040        @Override
041        public void accept(@NotNull JetVisitorVoid visitor) {
042            visitor.visitArrayAccessExpression(this);
043        }
044    
045        @Override
046        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
047            return visitor.visitArrayAccessExpression(this, data);
048        }
049    
050        @Nullable @IfNotParsed
051        public JetExpression getArrayExpression() {
052            return findChildByClass(JetExpression.class);
053        }
054    
055        @NotNull
056        public List<JetExpression> getIndexExpressions() {
057            return PsiTreeUtil.getChildrenOfTypeAsList(getIndicesNode(), JetExpression.class);
058        }
059    
060        @NotNull
061        public JetContainerNode getIndicesNode() {
062            JetContainerNode indicesNode = (JetContainerNode) findChildByType(JetNodeTypes.INDICES);
063            assert indicesNode != null : "Can't be null because of parser";
064            return indicesNode;
065        }
066    
067        @NotNull
068        public List<TextRange> getBracketRanges() {
069            PsiElement lBracket = getIndicesNode().findChildByType(JetTokens.LBRACKET);
070            PsiElement rBracket = getIndicesNode().findChildByType(JetTokens.RBRACKET);
071            if (lBracket == null || rBracket == null) {
072                return Collections.emptyList();
073            }
074            return Lists.newArrayList(lBracket.getTextRange(), rBracket.getTextRange());
075        }
076    }