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/*
* 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;
import com.intellij.lang.ASTNode;
import com.intellij.lang.FileASTNode;
import com.intellij.openapi.util.Getter;
import com.intellij.psi.PsiElement;
import com.intellij.psi.impl.PsiManagerEx;
import com.intellij.psi.impl.source.CharTableImpl;
import com.intellij.psi.impl.source.PsiFileImpl;
import com.intellij.psi.tree.IElementType;
import com.intellij.util.CharTable;
import org.jetbrains.annotations.NotNull;
public class FileElement extends LazyParseableElement implements FileASTNode, Getter<FileElement> {
private volatile CharTable myCharTable = new CharTableImpl();
private volatile boolean myDetached;
@Override
protected PsiElement createPsiNoLock() {
return myDetached ? null : super.createPsiNoLock();
}
public void detachFromFile() {
myDetached = true;
clearPsi();
}
@Override
@NotNull
public CharTable getCharTable() {
return myCharTable;
}
public FileElement(IElementType type, CharSequence text) {
super(type, text);
}
@Deprecated // for 8.1 API compatibility
public FileElement(IElementType type) {
super(type, null);
}
@Override
public PsiManagerEx getManager() {
CompositeElement treeParent = getTreeParent();
if (treeParent != null) return treeParent.getManager();
return (PsiManagerEx)getPsi().getManager(); //TODO: cache?
}
@Override
public ASTNode copyElement() {
PsiFileImpl psiElement = (PsiFileImpl)getPsi();
PsiFileImpl psiElementCopy = (PsiFileImpl)psiElement.copy();
return psiElementCopy.getTreeElement();
}
public void setCharTable(CharTable table) {
myCharTable = table;
}
@Override
public FileElement get() {
return this;
}
}
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