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/*
 * VariableDeclarator.java 1.0
 *
 * This interface is made to type ptree-node into the variable
 * declarator in the body of class.
 *
 * Jun 20, 1997 by mich
 * Aug 20, 1997 by mich
 * Sep 29, 1997 by bv
 * Oct 10, 1997 by mich
 *
 * @see io.devnulllabs.openjava.ptree.ParseTree
 * @version 1.0 last updated:  Oct 10, 1997
 * @author  Michiaki Tatsubori
 */
package io.devnulllabs.openjava.ptree;

import io.devnulllabs.openjava.ptree.util.ParseTreeVisitor;

/**
 * The VariableDeclarator class presents variable declarator node
 * of parse tree
 *
 * @see io.devnulllabs.openjava.ptree.NonLeaf
 * @see io.devnulllabs.openjava.ptree.VariableInitializer
 */
public class VariableDeclarator extends NonLeaf {
    int dims = 0;

    /**
     * Allocates a new object.
     *
     * @param  declname  the declarator name.
     * @param  varinit  the variable initializer.
     */
    public VariableDeclarator(
        String declname,
        int dims,
        VariableInitializer varinit) {
        super();
        set(declname, varinit);
        this.dims = dims;
    }

    /**
     * Allocates a new object.
     *
     * @param  declname  the declarator name.
     * @param  varinit  the variable initializer.
     */
    public VariableDeclarator(String declname, VariableInitializer varinit) {
        this(declname, 0, varinit);
    }

    VariableDeclarator() {
        super();
    }

    /**
     * Gets declarator name, declarator name includes variable name
     * but its dimension.
     *
     * @return declarator name
     */
    public String getVariable() {
        return (String) elementAt(0);
    }

    /**
     * Sets declarator name, declarator name includes variable name
     * but its dimension.
     *
     * @param  name  declarator name to set.
     * @see  io.devnulllabs.openjava.ptree.TypeName
     */
    public void setVariable(String name) {
        setElementAt(name, 0);
    }

    public int getDimension() {
        return this.dims;
    }

    public String dimensionString() {
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < getDimension(); ++i) {
            buf.append("[]");
        }
        return buf.toString();
    }

    /**
     * Gets variable initializer.
     *
     * @return variable initializer.
     */
    public VariableInitializer getInitializer() {
        return (VariableInitializer) elementAt(1);
    }

    /**
     * Sets variable initializer.
     *
     * @param  vinit  the variable initializer to set.
     */
    public void setInitializer(VariableInitializer vinit) {
        setElementAt(vinit, 1);
    }

    public void accept(ParseTreeVisitor v) throws ParseTreeException {
        v.visit(this);
    }

}