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/*******************************************************************************
* Copyright (c) 2007, 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:
* Bryan Wilkinson (QNX) - Initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom.cpp;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IParameter;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.IValue;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPParameterPackType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
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.IPDOMBinding;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
import org.eclipse.core.runtime.CoreException;
/**
* Binding for a specialization of a parameter in the index.
*/
class PDOMCPPParameterSpecialization extends PDOMCPPSpecialization implements ICPPParameter {
private static final int NEXT_PARAM = PDOMCPPSpecialization.RECORD_SIZE;
@SuppressWarnings("hiding")
private static final int RECORD_SIZE = NEXT_PARAM + Database.PTR_SIZE;
private final IType fType;
public PDOMCPPParameterSpecialization(PDOMLinkage linkage, long record, IType t) {
super(linkage, record);
fType= t;
}
public PDOMCPPParameterSpecialization(PDOMLinkage linkage, PDOMCPPFunctionSpecialization parent, ICPPParameter astParam,
PDOMCPPParameter original, PDOMCPPParameterSpecialization next) throws CoreException {
super(linkage, parent, (ICPPSpecialization) astParam, original);
fType= null; // this constructor is used for adding parameters to the database, only.
Database db = getDB();
db.putRecPtr(record + NEXT_PARAM, next == null ? 0 : next.getRecord());
}
@Override
protected int getRecordSize() {
return RECORD_SIZE;
}
@Override
public int getNodeType() {
return IIndexCPPBindingConstants.CPP_PARAMETER_SPECIALIZATION;
}
long getNextPtr() throws CoreException {
long rec = getDB().getRecPtr(record + NEXT_PARAM);
return rec;
}
public IType getType() {
return fType;
}
@Override
protected IPDOMBinding loadSpecializedBinding(long record) throws CoreException {
if (record == 0)
return null;
IType type= null;
IBinding parent = getParentBinding();
if (parent instanceof ICPPSpecialization && parent instanceof ICPPFunction) {
try {
IParameter[] pars= ((ICPPFunction) parent).getParameters();
int parPos= -1;
for (parPos= 0; parPos<pars.length; parPos++) {
IParameter par= pars[parPos];
if (equals(par)) {
break;
}
}
if (parPos < pars.length) {
parent= ((ICPPSpecialization) parent).getSpecializedBinding();
if (parent instanceof ICPPFunction) {
ICPPFunctionType ftype = ((ICPPFunction) parent).getType();
if (ftype != null) {
IType[] ptypes= ftype.getParameterTypes();
if (parPos < ptypes.length) {
type= ptypes[parPos];
}
}
}
}
} catch (DOMException e) {
}
}
return new PDOMCPPParameter(getLinkage(), record, type);
}
private ICPPParameter getParameter(){
return (ICPPParameter) getSpecializedBinding();
}
public boolean hasDefaultValue() {
return getParameter().hasDefaultValue();
}
public boolean isParameterPack() {
return getType() instanceof ICPPParameterPackType;
}
public boolean isAuto() throws DOMException {
return getParameter().isAuto();
}
public boolean isRegister() throws DOMException {
return getParameter().isRegister();
}
public boolean isExtern() throws DOMException {
return false;
}
public boolean isExternC() {
return false;
}
public boolean isStatic() throws DOMException {
return false;
}
public boolean isMutable() throws DOMException {
return false;
}
public IValue getInitialValue() {
return null;
}
}
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