/*******************************************************************************
* Copyright (c) 2005, 2015 IBM Corporation 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:
* Devin Steffler (IBM Rational Software) - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.c;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.ast.c.ICASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.c.ICQualifierType;
import org.eclipse.cdt.internal.core.dom.parser.ISerializableType;
import org.eclipse.cdt.internal.core.dom.parser.ITypeContainer;
import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer;
import org.eclipse.core.runtime.CoreException;
public class CQualifierType implements ICQualifierType, ITypeContainer, ISerializableType {
private boolean isConst;
private boolean isVolatile;
private boolean isRestrict;
private IType type;
/**
* CQualifierType has an IBasicType to keep track of the basic type information.
*/
public CQualifierType(ICASTDeclSpecifier declSpec) {
this.type = CVisitor.createBaseType(declSpec);
this.isConst = declSpec.isConst();
this.isVolatile = declSpec.isVolatile();
this.isRestrict = declSpec.isRestrict();
}
public CQualifierType(IType type, boolean isConst, boolean isVolatile, boolean isRestrict) {
this.type = type;
this.isConst = isConst;
this.isVolatile = isVolatile;
this.isRestrict = isRestrict;
}
@Override
public boolean isSameType(IType obj) {
if (obj == this)
return true;
if (obj instanceof ITypedef)
return obj.isSameType(this);
if (obj instanceof ICQualifierType) {
ICQualifierType qt = (ICQualifierType) obj;
if (isConst() != qt.isConst()) return false;
if (isRestrict() != qt.isRestrict()) return false;
if (isVolatile() != qt.isVolatile()) return false;
if (type == null)
return false;
return type.isSameType(qt.getType());
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IQualifierType#isConst()
*/
@Override
public boolean isConst() {
return isConst;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IQualifierType#isVolatile()
*/
@Override
public boolean isVolatile() {
return isVolatile;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.c.ICQualifierType#isRestrict()
*/
@Override
public boolean isRestrict() {
return isRestrict;
}
@Override
public IType getType() {
return type;
}
@Override
public void setType(IType t) {
type = t;
}
@Override
public Object clone() {
IType t = null;
try {
t = (IType) super.clone();
} catch (CloneNotSupportedException e) {
//not going to happen
}
return t;
}
@Override
public void marshal(ITypeMarshalBuffer buffer) throws CoreException {
short firstBytes= ITypeMarshalBuffer.CVQUALIFIER_TYPE;
if (isConst()) firstBytes |= ITypeMarshalBuffer.FLAG1;
if (isVolatile()) firstBytes |= ITypeMarshalBuffer.FLAG2;
if (isRestrict()) firstBytes |= ITypeMarshalBuffer.FLAG3;
buffer.putShort(firstBytes);
buffer.marshalType(getType());
}
public static IType unmarshal(short firstBytes, ITypeMarshalBuffer buffer) throws CoreException {
IType nested= buffer.unmarshalType();
return new CQualifierType(nested, (firstBytes & ITypeMarshalBuffer.FLAG1) != 0,
(firstBytes & ITypeMarshalBuffer.FLAG2) != 0, (firstBytes & ITypeMarshalBuffer.FLAG3) != 0);
}
}