| /* |
| * Copyright 2000-2014 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 org.jetbrains.plugins.groovy.lang.psi.impl.types; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.psi.PsiDisjunctionType; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiType; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyElementVisitor; |
| import org.jetbrains.plugins.groovy.lang.psi.api.types.GrDisjunctionTypeElement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.types.GrTypeElement; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.GroovyPsiElementImpl; |
| import org.jetbrains.plugins.groovy.lang.psi.util.PsiUtil; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * @author Max Medvedev |
| */ |
| public class GrDisjunctionTypeElementImpl extends GroovyPsiElementImpl implements GrDisjunctionTypeElement { |
| private volatile PsiType myCachedType = null; |
| |
| public GrDisjunctionTypeElementImpl(@NotNull ASTNode node) { |
| super(node); |
| } |
| |
| @NotNull |
| @Override |
| public GrTypeElement[] getTypeElements() { |
| return findChildrenByClass(GrTypeElement.class); |
| } |
| |
| @Override |
| public void accept(GroovyElementVisitor visitor) { |
| visitor.visitDisjunctionTypeElement(this); |
| } |
| |
| @NotNull |
| @Override |
| public PsiType getType() { |
| PsiType cachedType = myCachedType; |
| |
| if (cachedType != null) return myCachedType; |
| |
| final GrTypeElement[] typeElements = getTypeElements(); |
| final ArrayList<PsiType> types = new ArrayList<PsiType>(); |
| for (GrTypeElement typeElement : typeElements) { |
| types.add(typeElement.getType()); |
| } |
| cachedType = new PsiDisjunctionType(types, getManager()); |
| myCachedType = cachedType; |
| |
| return cachedType; |
| } |
| |
| @Override |
| public void subtreeChanged() { |
| super.subtreeChanged(); |
| myCachedType = null; |
| } |
| |
| @Override |
| public String toString() { |
| return "disjunction type element"; |
| } |
| |
| @Override |
| public void deleteChildInternal(@NotNull ASTNode child) { |
| final PsiElement psi = child.getPsi(); |
| if (psi instanceof GrTypeElement) { |
| PsiElement next = PsiUtil.skipWhitespacesAndComments(psi.getNextSibling(), true); |
| if (next != null) { |
| if (next.getNode().getElementType() == GroovyTokenTypes.mBOR) { |
| super.deleteChildInternal(next.getNode()); |
| } |
| } |
| else { |
| PsiElement prev = PsiUtil.skipWhitespacesAndComments(psi.getPrevSibling(), false); |
| if (prev != null) { |
| if (prev.getNode().getElementType() == GroovyTokenTypes.mBOR) { |
| super.deleteChildInternal(prev.getNode()); |
| } |
| } |
| } |
| } |
| |
| super.deleteChildInternal(child); |
| } |
| } |