001    /*
002     * Copyright 2010-2014 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.psi.PsiElement;
021    import com.intellij.psi.stubs.IStubElementType;
022    import com.intellij.psi.stubs.StubElement;
023    import com.intellij.util.IncorrectOperationException;
024    import org.jetbrains.annotations.NotNull;
025    
026    import static org.jetbrains.jet.lang.psi.PsiPackage.JetPsiFactory;
027    
028    public abstract class JetExpressionImplStub<T extends StubElement> extends JetElementImplStub<T> implements JetExpression {
029        public JetExpressionImplStub(@NotNull T stub, @NotNull IStubElementType nodeType) {
030            super(stub, nodeType);
031        }
032    
033        public JetExpressionImplStub(@NotNull ASTNode node) {
034            super(node);
035        }
036    
037        @Override
038        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
039            return visitor.visitExpression(this, data);
040        }
041    
042        //NOTE: duplicate with JetExpressionImpl
043        @NotNull
044        @Override
045        public PsiElement replace(@NotNull PsiElement newElement) throws IncorrectOperationException {
046            PsiElement parent = getParent();
047            if (parent instanceof JetExpression && newElement instanceof JetExpression &&
048                JetPsiUtil.areParenthesesNecessary((JetExpression) newElement, this, (JetExpression) parent)) {
049                return super.replace(JetPsiFactory(this).createExpression("(" + newElement.getText() + ")"));
050            }
051            return super.replace(newElement);
052        }
053    }