plugins/org.eclipse.viatra2.loaders.vtcl_lpgparser/src/org/eclipse/viatra2/lpgparser/ast/ASTNode.java

/**
* Copyright (c) 2007 - 2009 OptXware Research and Development LLC.
* 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:
*   Daniel Varro - Initial API and implementation
*
* This file was generated automatically based upon the VTCL LPG Parser
* VTCLParser.g 
*/

package org.eclipse.viatra2.lpgparser.ast;

import lpg.lpgjavaruntime.*;

public abstract class ASTNode
{
    protected ASTNode parent = null;
    protected IToken leftIToken,
                     rightIToken;
    protected void setParent(ASTNode parent) { this.parent = parent; }
    public ASTNode getParent() { return parent; }
    public IToken getLeftIToken() { return leftIToken; }
    public IToken getRightIToken() { return rightIToken; }
    public IToken[] getPrecedingAdjuncts() { return leftIToken.getPrecedingAdjuncts(); }
    public IToken[] getFollowingAdjuncts() { return rightIToken.getPrecedingAdjuncts(); }
    public String toString()
    {
        PrsStream prsStream = leftIToken.getPrsStream();
        return new String(prsStream.getInputChars(),
                          leftIToken.getStartOffset(),
                          rightIToken.getEndOffset() - leftIToken.getStartOffset() + 1);
    }
    public ASTNode(IToken token) { this.leftIToken = this.rightIToken = token; }
    public ASTNode(IToken leftIToken, IToken rightIToken)
    {
        this.leftIToken = leftIToken;
        this.rightIToken = rightIToken;
    }
    void initialize() {}
    /**
     * Since the Ast type has no children, any two instances of it are equal.
     */
    public boolean equals(Object o) { return o instanceof ASTNode; }
    public abstract int hashCode();
    public abstract void accept(Visitor v);
    public abstract void accept(ArgumentVisitor v, Object o);
    public abstract Object accept(ResultVisitor v);
    public abstract Object accept(ResultArgumentVisitor v, Object o);
}