src/main/java/io/devnulllabs/openjava/ptree/Block.java


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/*
 * Block.java 1.0
 *
 * Jun 11, 1997 by mich
 * Aug 29, 1997 by mich
 *
 * @see io.devnulllabs.openjava.ptree.ParseTree
 * @version last updated: Aug 29, 1997
 * @author  Michiaki Tatsubori
 */
package io.devnulllabs.openjava.ptree;

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

/**
 * The Block class represents a node of parse tree
 * of block statement like :
 * <br><blockquote><pre>
 *     {
 *         int i = 0;
 *         i = f( i );
 *     }
 * </pre></blockquote><br>
 *
 * @see io.devnulllabs.openjava.ptree.NonLeaf
 * @see io.devnulllabs.openjava.ptree.Statement
 */
public class Block extends NonLeaf implements Statement {
    /**
     * Allocates a new object.
     *
     * @param  stmts  statement list.
     */
    public Block(StatementList stmts) {
        super();
        if (stmts == null)
            stmts = new StatementList();
        set(stmts);
    }

    /**
     * Allocates a new object with an empty statement list.
     *
     */
    public Block() {
        this(new StatementList());
    }

    /**
     * Gets the statement list of this block.
     *
     * @return  the statement list.
     */
    public StatementList getStatements() {
        return (StatementList) elementAt(0);
    }

    /**
     * Sets the statement list of this block.
     *
     * @param  stmts  the statement list to set.
     */
    public void setStatements(StatementList stmts) {
        setElementAt(stmts, 0);
    }

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

}