production.java

来自「SkipOOMiniJOOL教学语言的编译器前端」· Java 代码 · 共 74 行

package edu.ustc.cs.minijool.parser.ast;

import java.util.Iterator;
import java.util.List;

/**
 * @author manu_s
 *
 */
public class Production extends DPASTNode {
	
	/**
	 * the name on the LHS of the production
	 */
	private SimpleName prodName;
	
	/**
	 * list of possible right-hand sides
	 */
	private List /* of RightHandSide */ rightHandSides;
	
	public Production(SimpleName prodName, List refs) {
		this.prodName = prodName;
		this.rightHandSides = refs;
	}
	
	

    /**
     * @return
     */
    public SimpleName getProdName() {
        return prodName;
    }

    /**
     * @return
     */
    public List getRightHandSides() {
        return rightHandSides;
    }

    /**
     * @param name
     */
    public void setProdName(SimpleName name) {
        prodName = name;
    }

    /**
     * @param list
     */
    public void setRightHandSides(List list) {
        rightHandSides = list;
    }



    /* (non-Javadoc)
     * @see edu.berkeley.cs164.parser.ast.DCASTNode#accept(edu.berkeley.cs164.parser.ast.DCVisitor)
     */
    public void accept(DPVisitor v) {
    	boolean visitChildren = v.visit(this);
    	if (visitChildren) {
    		getProdName().accept(v);
    		for (Iterator iter = getRightHandSides().iterator(); iter.hasNext();) {
                RightHandSide n = (RightHandSide) iter.next();
                n.accept(v);
            }
    	}
    }

}