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/*
* Copyright (c) 2014, 2015 QNX Software Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.cdt.internal.qt.core.pdom;
import java.util.Collections;
import java.util.List;
import org.eclipse.cdt.core.dom.ILinkage;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.internal.core.pdom.db.Database;
import org.eclipse.cdt.internal.core.pdom.db.PDOMNodeLinkedList;
import org.eclipse.cdt.internal.core.pdom.dom.IPDOMBinding;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
import org.eclipse.cdt.internal.qt.core.Activator;
import org.eclipse.core.runtime.CoreException;
/**
* Qt has two types of annotation that can be applied to classes (Q_GADGET and G_OBJECT).
* This class stores the information that is common to each.
*/
@SuppressWarnings("restriction")
public abstract class AbstractQtPDOMClass extends QtPDOMBinding {
private static int offsetInitializer = QtPDOMBinding.Field.Last.offset;
protected static enum Field {
CppRecord(Database.PTR_SIZE), Children(4 /* From PDOMNodeLinkedList.RECORD_SIZE, which is protected */),
Last(0);
public final int offset;
private Field(int sizeof) {
this.offset = offsetInitializer;
offsetInitializer += sizeof;
}
public long getRecord(long baseRec) {
return baseRec + offset;
}
}
private final PDOMNodeLinkedList children;
protected AbstractQtPDOMClass(QtPDOMLinkage linkage, long record) throws CoreException {
super(linkage, record);
children = new PDOMNodeLinkedList(linkage, Field.Children.getRecord(record));
}
public AbstractQtPDOMClass(QtPDOMLinkage linkage, IASTName qtName, IASTName cppName) throws CoreException {
super(linkage, null, qtName);
IBinding cppBinding = getPDOM().findBinding(cppName);
if (cppBinding != null) {
IPDOMBinding cppPDOMBinding = (IPDOMBinding) cppBinding.getAdapter(IPDOMBinding.class);
if (cppPDOMBinding != null) {
if (cppPDOMBinding.getLinkage() != null
&& cppPDOMBinding.getLinkage().getLinkageID() == ILinkage.CPP_LINKAGE_ID)
getDB().putRecPtr(Field.CppRecord.getRecord(record), cppPDOMBinding.getRecord());
}
}
children = new PDOMNodeLinkedList(linkage, Field.Children.getRecord(record));
}
public ICPPClassType getCppClassType() throws CoreException {
long cppRec = getDB().getRecPtr(Field.CppRecord.getRecord(record));
if (cppRec == 0)
return null;
PDOMLinkage cppLinkage = getPDOM().getLinkage(ILinkage.CPP_LINKAGE_ID);
if (cppLinkage == null)
return null;
PDOMBinding cppBinding = cppLinkage.getBinding(cppRec);
return cppBinding instanceof ICPPClassType ? (ICPPClassType) cppBinding : null;
}
@Override
protected int getRecordSize() {
return Field.Last.offset;
}
// This forwarding method is to get rid of compilation warnings when clients try to call
// #getName on the non-accessible parent.
@Override
public String getName() {
return super.getName();
}
@Override
public void addChild(PDOMNode child) throws CoreException {
children.addMember(child);
}
public <T extends QtPDOMBinding> List<T> getChildren(Class<T> cls) throws CoreException {
QtPDOMVisitor.All<T> collector = new QtPDOMVisitor.All<T>(cls);
try {
children.accept(collector);
} catch (CoreException e) {
Activator.log(e);
return Collections.emptyList();
}
return collector.list;
}
}
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