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
017package org.jetbrains.jet.lang.psi;
018
019import com.intellij.lang.ASTNode;
020import com.intellij.openapi.util.TextRange;
021import com.intellij.psi.PsiElement;
022import com.intellij.psi.PsiModifiableCodeBlock;
023import org.jetbrains.annotations.NotNull;
024import org.jetbrains.annotations.Nullable;
025import org.jetbrains.jet.lexer.JetTokens;
026
027import java.util.Arrays;
028import java.util.List;
029
030public 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}