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