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/*******************************************************************************
* Copyright (c) 2006, 2009 QNX Software Systems 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:
* Doug Schaefer (QNX) - Initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom.cpp;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IEnumerator;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.IValue;
import org.eclipse.cdt.internal.core.dom.parser.Value;
import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
import org.eclipse.cdt.internal.core.pdom.db.Database;
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.core.runtime.CoreException;
/**
* Binding for a c++ enumerator in the index.
*/
class PDOMCPPEnumerator extends PDOMCPPBinding implements IEnumerator {
private static final int ENUMERATION = PDOMBinding.RECORD_SIZE + 0;
private static final int NEXT_ENUMERATOR = PDOMBinding.RECORD_SIZE + 4;
private static final int VALUE= PDOMBinding.RECORD_SIZE + 8;
@SuppressWarnings("hiding")
protected static final int RECORD_SIZE = PDOMBinding.RECORD_SIZE + 12;
public PDOMCPPEnumerator(PDOMLinkage linkage, PDOMNode parent, IEnumerator enumerator, PDOMCPPEnumeration enumeration)
throws CoreException {
super(linkage, parent, enumerator.getNameCharArray());
final Database db = getDB();
db.putInt(record + ENUMERATION, enumeration.getRecord());
storeValue(db, enumerator);
enumeration.addEnumerator(this);
}
public PDOMCPPEnumerator(PDOMLinkage linkage, int record) {
super(linkage, record);
}
@Override
protected int getRecordSize() {
return RECORD_SIZE;
}
@Override
public int getNodeType() {
return IIndexCPPBindingConstants.CPPENUMERATOR;
}
private void storeValue(final Database db, IEnumerator enumerator) throws CoreException {
IValue value= enumerator.getValue();
if (value != null) {
Long val= value.numericalValue();
db.putInt(record + VALUE, val == null ? -1 : val.intValue());
}
}
@Override
public void update(PDOMLinkage linkage, IBinding newBinding) throws CoreException {
if (newBinding instanceof IEnumerator)
storeValue(getDB(), (IEnumerator) newBinding);
}
public PDOMCPPEnumerator getNextEnumerator() throws CoreException {
int value = getDB().getInt(record + NEXT_ENUMERATOR);
return value != 0 ? new PDOMCPPEnumerator(getLinkage(), value) : null;
}
public void setNextEnumerator(PDOMCPPEnumerator enumerator) throws CoreException {
int value = enumerator != null ? enumerator.getRecord() : 0;
getDB().putInt(record + NEXT_ENUMERATOR, value);
}
public IType getType() throws DOMException {
try {
return new PDOMCPPEnumeration(getLinkage(), getDB().getInt(record + ENUMERATION));
} catch (CoreException e) {
CCorePlugin.log(e);
return null;
}
}
public IValue getValue() {
try {
int val= getDB().getInt(record + VALUE);
return Value.create(val);
} catch (CoreException e) {
CCorePlugin.log(e);
}
return Value.UNKNOWN;
}
}
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