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.intellij.lang.ASTNode;
020    import com.intellij.openapi.util.TextRange;
021    import com.intellij.psi.PsiElement;
022    import com.intellij.psi.PsiModifiableCodeBlock;
023    import org.jetbrains.annotations.NotNull;
024    import org.jetbrains.annotations.Nullable;
025    import org.jetbrains.jet.lexer.JetTokens;
026    
027    import java.util.Arrays;
028    import java.util.List;
029    
030    public class JetBlockExpression extends JetExpressionImpl implements JetStatementExpression, PsiModifiableCodeBlock {
031        public JetBlockExpression(@NotNull ASTNode node) {
032            super(node);
033        }
034    
035        @Override
036        public boolean shouldChangeModificationCount(PsiElement place) {
037            return JetModifiableBlockHelper.shouldChangeModificationCount(place);
038        }
039    
040        @Override
041        public void accept(@NotNull JetVisitorVoid visitor) {
042            visitor.visitBlockExpression(this);
043        }
044    
045        @Override
046        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
047            return visitor.visitBlockExpression(this, data);
048        }
049    
050        @NotNull
051        public List<JetElement> getStatements() {
052            return Arrays.asList(findChildrenByClass(JetElement.class));
053        }
054    
055        @Nullable
056        public TextRange getLastBracketRange() {
057            PsiElement rBrace = getRBrace();
058            return rBrace != null ? rBrace.getTextRange() : null;
059        }
060    
061        @Nullable
062        public PsiElement getRBrace() {
063            return findChildByType(JetTokens.RBRACE);
064        }
065    
066        @Nullable
067        public PsiElement getLBrace() {
068            return findChildByType(JetTokens.LBRACE);
069        }
070    }