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/*******************************************************************************
* Copyright (c) 2005 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:
* IBM Rational Software - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.c;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.ast.c.ICPointerType;
import org.eclipse.cdt.internal.core.dom.parser.ITypeContainer;
/**
* @author dsteffle
*/
public class CPointerType implements ICPointerType, ITypeContainer {
static public final int IS_CONST = 1;
static public final int IS_RESTRICT = 1 << 1;
static public final int IS_VOLATILE = 1 << 2;
IType nextType = null;
private int qualifiers = 0;
public CPointerType() {}
public CPointerType(IType next, int qualifiers) {
this.nextType = next;
this.qualifiers = qualifiers;
}
public boolean isSameType( IType obj ){
if( obj == this )
return true;
if( obj instanceof ITypedef )
return obj.isSameType( this );
if( obj instanceof ICPointerType ){
ICPointerType pt = (ICPointerType) obj;
try {
if( isConst() != pt.isConst() ) return false;
if( isRestrict() != pt.isRestrict() ) return false;
if( isVolatile() != pt.isVolatile() ) return false;
return pt.getType().isSameType( nextType );
} catch ( DOMException e ) {
return false;
}
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.c.ICPointerType#isRestrict()
*/
public boolean isRestrict() {
return (qualifiers & IS_RESTRICT) != 0;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IPointerType#getType()
*/
public IType getType() {
return nextType;
}
public void setType(IType type) {
nextType = type;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IPointerType#isConst()
*/
public boolean isConst() {
return (qualifiers & IS_CONST) != 0;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IPointerType#isVolatile()
*/
public boolean isVolatile() {
return (qualifiers & IS_VOLATILE) != 0;
}
public Object clone(){
IType t = null;
try {
t = (IType) super.clone();
} catch ( CloneNotSupportedException e ) {
//not going to happen
}
return t;
}
public void setQualifiers(int qualifiers) {
this.qualifiers = qualifiers;
}
}
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