| /* |
| * 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 com.intellij.psi.impl.source.tree.java; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiMethod; |
| import com.intellij.psi.TokenType; |
| import com.intellij.psi.impl.PsiImplUtil; |
| import com.intellij.psi.impl.source.Constants; |
| 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 MethodElement extends CompositeElement implements Constants { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.source.tree.java.MethodElement"); |
| |
| public MethodElement() { |
| super(METHOD); |
| } |
| |
| protected MethodElement(IElementType type) { |
| super(type); |
| } |
| |
| @Override |
| public int getTextOffset() { |
| ASTNode name = findChildByType(IDENTIFIER); |
| return name != null ? name.getStartOffset() : this.getStartOffset(); |
| } |
| |
| @Override |
| public TreeElement addInternal(TreeElement first, ASTNode last, ASTNode anchor, Boolean before) { |
| if (first == last && first.getElementType() == JavaElementType.CODE_BLOCK) { |
| ASTNode semicolon = TreeUtil.findChildBackward(this, SEMICOLON); |
| if (semicolon != null) { |
| deleteChildInternal(semicolon); |
| } |
| } |
| return super.addInternal(first, last, anchor, before); |
| } |
| |
| @Override |
| public ASTNode copyElement() { |
| CharTable table = SharedImplUtil.findCharTableByTree(this); |
| final PsiClass psiClass = ((PsiMethod)getPsi()).getContainingClass(); |
| return psiClass != null ? ChangeUtil.copyElement(this, psiClass.getTypeParameterList(), table) : super.copyElement(); |
| } |
| |
| @Override |
| public void deleteChildInternal(@NotNull ASTNode child) { |
| if (child.getElementType() == CODE_BLOCK) { |
| final ASTNode prevWS = TreeUtil.prevLeaf(child); |
| if (prevWS != null && prevWS.getElementType() == TokenType.WHITE_SPACE) { |
| removeChild(prevWS); |
| } |
| super.deleteChildInternal(child); |
| final CharTable treeCharTab = SharedImplUtil.findCharTableByTree(this); |
| LeafElement semicolon = Factory.createSingleLeafElement(SEMICOLON, ";", 0, 1, treeCharTab, getManager()); |
| addInternal(semicolon, semicolon, null, Boolean.TRUE); |
| } |
| else { |
| super.deleteChildInternal(child); |
| } |
| } |
| |
| @Override |
| public ASTNode findChildByRole(int role) { |
| LOG.assertTrue(ChildRole.isUnique(role)); |
| switch (role) { |
| default: |
| return null; |
| |
| case ChildRole.DOC_COMMENT: |
| return PsiImplUtil.findDocComment(this); |
| |
| case ChildRole.MODIFIER_LIST: |
| return findChildByType(MODIFIER_LIST); |
| |
| case ChildRole.TYPE_PARAMETER_LIST: |
| return findChildByType(TYPE_PARAMETER_LIST); |
| |
| case ChildRole.NAME: |
| return findChildByType(IDENTIFIER); |
| |
| case ChildRole.TYPE: |
| return findChildByType(TYPE); |
| |
| case ChildRole.METHOD_BODY: |
| return findChildByType(CODE_BLOCK); |
| |
| case ChildRole.PARAMETER_LIST: |
| return findChildByType(PARAMETER_LIST); |
| |
| case ChildRole.THROWS_LIST: |
| return findChildByType(THROWS_LIST); |
| |
| case ChildRole.CLOSING_SEMICOLON: |
| return TreeUtil.findChildBackward(this, SEMICOLON); |
| |
| case ChildRole.DEFAULT_KEYWORD: |
| return findChildByType(DEFAULT_KEYWORD); |
| } |
| } |
| |
| @Override |
| public int getChildRole(ASTNode child) { |
| LOG.assertTrue(child.getTreeParent() == this); |
| IElementType i = child.getElementType(); |
| if (i == JavaDocElementType.DOC_COMMENT) { |
| return getChildRole(child, ChildRole.DOC_COMMENT); |
| } |
| else if (i == MODIFIER_LIST) { |
| return ChildRole.MODIFIER_LIST; |
| } |
| else if (i == TYPE_PARAMETER_LIST) { |
| return ChildRole.TYPE_PARAMETER_LIST; |
| } |
| else if (i == CODE_BLOCK) { |
| return ChildRole.METHOD_BODY; |
| } |
| else if (i == PARAMETER_LIST) { |
| return ChildRole.PARAMETER_LIST; |
| } |
| else if (i == THROWS_LIST) { |
| return ChildRole.THROWS_LIST; |
| } |
| else if (i == TYPE) { |
| return getChildRole(child, ChildRole.TYPE); |
| } |
| else if (i == IDENTIFIER) { |
| return getChildRole(child, ChildRole.NAME); |
| } |
| else if (i == SEMICOLON) { |
| return getChildRole(child, ChildRole.CLOSING_SEMICOLON); |
| } |
| else if (i == DEFAULT_KEYWORD) { |
| return ChildRole.DEFAULT_KEYWORD; |
| } |
| else { |
| return ChildRoleBase.NONE; |
| } |
| } |
| |
| @Override |
| protected boolean isVisibilitySupported() { |
| return true; |
| } |
| } |