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/*******************************************************************************
 * Copyright (c) 2004, 2011 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:
 *     John Camelon (IBM) - Initial API and implementation
 *     Markus Schorn (Wind River Systems)
 *******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;

import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTPointer;
import org.eclipse.cdt.internal.core.dom.parser.ASTNode;

/**
 * A pointer operator of a declarator
 */
public class CPPASTPointer extends ASTNode implements IASTPointer {
    private boolean isConst;
    private boolean isVolatile;
    private boolean isRestrict;

    public CPPASTPointer() {
    }
    
    @Override
	public CPPASTPointer copy() {
		return copy(CopyStyle.withoutLocations);
	}
    
	@Override
	public CPPASTPointer copy(CopyStyle style) {
		CPPASTPointer copy = new CPPASTPointer();
		copy.isConst = isConst;
		copy.isVolatile = isVolatile;
		copy.isRestrict = isRestrict;
		copy.setOffsetAndLength(this);
		if (style == CopyStyle.withLocations) {
			copy.setCopyLocation(this);
		}
		return copy;
	}

    @Override
	public boolean isConst() {
        return isConst;
    }

    @Override
	public boolean isVolatile() {
        return isVolatile;
    }

    @Override
	public boolean isRestrict() {
        return isRestrict;
    }

    @Override
	public void setConst(boolean value) {
        assertNotFrozen();
        isConst = value;
    }

    @Override
	public void setVolatile(boolean value) {
        assertNotFrozen();
        isVolatile = value;
    }

    @Override
	public void setRestrict(boolean value) {
        assertNotFrozen();
        isRestrict = value;
    }

    @Override
	public boolean accept(ASTVisitor action) {
		if (action.shouldVisitPointerOperators) {
			switch (action.visit(this)) {
    		case ASTVisitor.PROCESS_ABORT: return false;
    		case ASTVisitor.PROCESS_SKIP: return true;
    		}
			if (action.leave(this) == ASTVisitor.PROCESS_ABORT)
				return false;
    	}
		return true;
    }
}