| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.jetbrains.python.psi.impl; |
| |
| import com.intellij.lang.ASTFactory; |
| import com.intellij.lang.ASTNode; |
| import com.intellij.psi.TokenType; |
| import com.jetbrains.python.PythonDialectsTokenSetProvider; |
| import com.jetbrains.python.psi.PyElementVisitor; |
| import com.jetbrains.python.psi.PyStatement; |
| import com.jetbrains.python.psi.PyStatementList; |
| |
| /** |
| * @author yole |
| */ |
| public class PyStatementListImpl extends PyElementImpl implements PyStatementList { |
| public PyStatementListImpl(ASTNode astNode) { |
| super(astNode); |
| } |
| |
| @Override |
| protected void acceptPyVisitor(PyElementVisitor pyVisitor) { |
| pyVisitor.visitPyStatementList(this); |
| } |
| |
| public PyStatement[] getStatements() { |
| return childrenToPsi(PythonDialectsTokenSetProvider.INSTANCE.getStatementTokens(), PyStatement.EMPTY_ARRAY); |
| } |
| |
| @Override |
| public ASTNode addInternal(ASTNode first, ASTNode last, ASTNode anchor, Boolean before) { |
| if (first.getPsi() instanceof PyStatement && getStatements().length == 1) { |
| ASTNode treePrev = getNode().getTreePrev(); |
| if (treePrev != null && treePrev.getElementType() == TokenType.WHITE_SPACE && !treePrev.textContains('\n')) { |
| ASTNode lineBreak = ASTFactory.whitespace("\n"); |
| treePrev.getTreeParent().replaceChild(treePrev, lineBreak); |
| } |
| } |
| return super.addInternal(first, last, anchor, before); |
| } |
| } |