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/*******************************************************************************
* Copyright (c) 2008, 2014 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Markus Schorn - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.index.IIndexFile;
import org.eclipse.cdt.core.index.IIndexMacro;
import org.eclipse.cdt.core.index.IIndexMacroContainer;
import org.eclipse.cdt.core.parser.util.CharArrayUtils;
import org.eclipse.cdt.internal.core.index.IIndexBindingConstants;
import org.eclipse.cdt.internal.core.index.IIndexFragment;
import org.eclipse.cdt.internal.core.index.IIndexScope;
import org.eclipse.cdt.internal.core.pdom.db.Database;
import org.eclipse.core.runtime.CoreException;
/**
* A container collecting definitions and references for macros.
* @since 5.0
*/
public class PDOMMacroContainer extends PDOMNamedNode implements IIndexMacroContainer, IPDOMBinding {
private static final int FIRST_DEF_OFFSET = PDOMNamedNode.RECORD_SIZE + 0; // size 4
private static final int FIRST_REF_OFFSET = PDOMNamedNode.RECORD_SIZE + 4; // size 4
@SuppressWarnings("hiding")
protected static final int RECORD_SIZE = PDOMNamedNode.RECORD_SIZE + 8;
public PDOMMacroContainer(PDOMLinkage linkage, char[] name) throws CoreException {
super(linkage, linkage, name);
}
PDOMMacroContainer(PDOMLinkage linkage, long record) {
super(linkage, record);
}
@Override
public int getNodeType() {
return IIndexBindingConstants.MACRO_CONTAINER;
}
@Override
protected int getRecordSize() {
return RECORD_SIZE;
}
public boolean isOrphaned() throws CoreException {
Database db = getDB();
return db.getRecPtr(record + FIRST_DEF_OFFSET) == 0
&& db.getRecPtr(record + FIRST_REF_OFFSET) == 0;
}
public void addDefinition(PDOMMacro name) throws CoreException {
PDOMMacro first = getFirstDefinition();
if (first != null) {
first.setPrevInContainer(name);
name.setNextInContainer(first);
}
setFirstDefinition(name);
}
public void addReference(PDOMMacroReferenceName name) throws CoreException {
PDOMMacroReferenceName first = getFirstReference();
if (first != null) {
first.setPrevInContainer(name);
name.setNextInContainer(first);
}
setFirstReference(name);
}
public PDOMMacro getFirstDefinition() throws CoreException {
long namerec = getDB().getRecPtr(record + FIRST_DEF_OFFSET);
return namerec != 0 ? new PDOMMacro(getLinkage(), namerec) : null;
}
void setFirstDefinition(PDOMMacro macro) throws CoreException {
long namerec = macro != null ? macro.getRecord() : 0;
getDB().putRecPtr(record + FIRST_DEF_OFFSET, namerec);
}
public PDOMMacroReferenceName getFirstReference() throws CoreException {
long namerec = getDB().getRecPtr(record + FIRST_REF_OFFSET);
return namerec != 0 ? new PDOMMacroReferenceName(getLinkage(), namerec) : null;
}
void setFirstReference(PDOMMacroReferenceName nextName) throws CoreException {
long namerec = nextName != null ? nextName.getRecord() : 0;
getDB().putRecPtr(record + FIRST_REF_OFFSET, namerec);
}
public IIndexMacro[] getDefinitions() throws CoreException {
List<PDOMMacro> macros= new ArrayList<>();
for (PDOMMacro macro= getFirstDefinition(); macro != null; macro= macro.getNextInContainer()) {
macros.add(macro);
}
return macros.toArray(new IIndexMacro[macros.size()]);
}
@Override
public void delete(PDOMLinkage linkage) throws CoreException {
if (linkage != null) {
linkage.removeMacroContainer(this);
}
super.delete(linkage);
}
@Override
public int getBindingConstant() {
return IIndexBindingConstants.MACRO_CONTAINER;
}
@Override
public IIndexFragment getFragment() {
return getPDOM();
}
@Override
public IIndexScope getScope() {
return null;
}
@Override
public boolean hasDeclaration() throws CoreException {
return false;
}
@Override
public boolean hasDefinition() throws CoreException {
return getDB().getRecPtr(record + FIRST_DEF_OFFSET) != 0;
}
@Override
public IIndexFile getLocalToFile() throws CoreException {
return null;
}
@Override
public String[] getQualifiedName() {
return new String[] { getName() };
}
@Override
public boolean isFileLocal() throws CoreException {
return false;
}
@Override
public char[] getNameCharArray() {
try {
return super.getNameCharArray();
} catch (CoreException e) {
CCorePlugin.log(e);
}
return CharArrayUtils.EMPTY;
}
@Override
public String getName() {
return new String(getNameCharArray());
}
@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public Object getAdapter(Class adapter) {
if (adapter.isAssignableFrom(PDOMMacroContainer.class)) {
return this;
}
return null;
}
}
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