| /* |
| * Copyright 2000-2012 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.intellij.psi.impl.source.tree.java; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.psi.*; |
| import com.intellij.psi.impl.source.tree.*; |
| import com.intellij.psi.tree.ChildRoleBase; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.util.CharTable; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class PsiArrayInitializerExpressionImpl extends ExpressionPsiElement implements PsiArrayInitializerExpression { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.source.tree.java.PsiArrayInitializerExpressionImpl"); |
| |
| public PsiArrayInitializerExpressionImpl() { |
| super(JavaElementType.ARRAY_INITIALIZER_EXPRESSION); |
| } |
| |
| @Override |
| @NotNull |
| public PsiExpression[] getInitializers(){ |
| return getChildrenAsPsiElements(ElementType.EXPRESSION_BIT_SET, PsiExpression.ARRAY_FACTORY); |
| } |
| |
| @Override |
| public PsiType getType(){ |
| if (getTreeParent() instanceof PsiNewExpression){ |
| if (getTreeParent().getChildRole(this) == ChildRole.ARRAY_INITIALIZER){ |
| return ((PsiNewExpression)getTreeParent()).getType(); |
| } |
| } |
| else if (getTreeParent() instanceof PsiVariable){ |
| return ((PsiVariable)getTreeParent()).getType(); |
| } |
| else if (getTreeParent() instanceof PsiArrayInitializerExpression){ |
| PsiType parentType = ((PsiArrayInitializerExpression)getTreeParent()).getType(); |
| if (!(parentType instanceof PsiArrayType)) return null; |
| final PsiType componentType = ((PsiArrayType)parentType).getComponentType(); |
| return componentType instanceof PsiArrayType ? componentType : null; |
| } |
| else if (getTreeParent() instanceof FieldElement){ |
| return ((PsiField)getParent()).getType(); |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public ASTNode findChildByRole(int role) { |
| LOG.assertTrue(ChildRole.isUnique(role)); |
| switch(role){ |
| default: |
| return null; |
| |
| case ChildRole.LBRACE: |
| return findChildByType(JavaTokenType.LBRACE); |
| |
| case ChildRole.RBRACE: |
| return findChildByType(JavaTokenType.RBRACE); |
| } |
| } |
| |
| @Override |
| public int getChildRole(ASTNode child) { |
| LOG.assertTrue(child.getTreeParent() == this); |
| IElementType i = child.getElementType(); |
| if (i == JavaTokenType.COMMA) { |
| return ChildRole.COMMA; |
| } |
| else if (i == JavaTokenType.LBRACE) { |
| return ChildRole.LBRACE; |
| } |
| else if (i == JavaTokenType.RBRACE) { |
| return ChildRole.RBRACE; |
| } |
| else { |
| if (ElementType.EXPRESSION_BIT_SET.contains(child.getElementType())) { |
| return ChildRole.EXPRESSION_IN_LIST; |
| } |
| return ChildRoleBase.NONE; |
| } |
| } |
| |
| @Override |
| public void accept(@NotNull PsiElementVisitor visitor){ |
| if (visitor instanceof JavaElementVisitor) { |
| ((JavaElementVisitor)visitor).visitArrayInitializerExpression(this); |
| } |
| else { |
| visitor.visitElement(this); |
| } |
| } |
| |
| public String toString(){ |
| return "PsiArrayInitializerExpression:" + getText(); |
| } |
| |
| @Override |
| public TreeElement addInternal(TreeElement first, ASTNode last, ASTNode anchor, Boolean before) { |
| if (anchor == null){ |
| if (before == null || before.booleanValue()){ |
| anchor = findChildByRole(ChildRole.RBRACE); |
| before = Boolean.TRUE; |
| } |
| else{ |
| anchor = findChildByRole(ChildRole.LBRACE); |
| before = Boolean.FALSE; |
| } |
| } |
| |
| final TreeElement firstAdded = super.addInternal(first, last, anchor, before); |
| |
| if (ElementType.EXPRESSION_BIT_SET.contains(first.getElementType())) { |
| final CharTable charTab = SharedImplUtil.findCharTableByTree(this); |
| for (ASTNode child = first.getTreeNext(); child != null; child = child.getTreeNext()) { |
| if (child.getElementType() == JavaTokenType.COMMA) break; |
| if (ElementType.EXPRESSION_BIT_SET.contains(child.getElementType())) { |
| TreeElement comma = Factory.createSingleLeafElement(JavaTokenType.COMMA, ",", 0, 1, charTab, getManager()); |
| super.addInternal(comma, comma, first, Boolean.FALSE); |
| break; |
| } |
| } |
| for (ASTNode child = first.getTreePrev(); child != null; child = child.getTreePrev()) { |
| if (child.getElementType() == JavaTokenType.COMMA) break; |
| if (ElementType.EXPRESSION_BIT_SET.contains(child.getElementType())) { |
| TreeElement comma = Factory.createSingleLeafElement(JavaTokenType.COMMA, ",", 0, 1, charTab, getManager()); |
| super.addInternal(comma, comma, child, Boolean.FALSE); |
| break; |
| } |
| } |
| } |
| |
| return firstAdded; |
| } |
| } |