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/*
 * Javassist, a Java-bytecode translator toolkit.
 * Copyright (C) 1999-2007 Shigeru Chiba. All Rights Reserved.
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License.  Alternatively, the contents of this file may be used under
 * the terms of the GNU Lesser General Public License Version 2.1 or later.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 */

package javassist.compiler.ast;

import javassist.compiler.TokenId;
import javassist.compiler.CompileError;

/**
 * Statement.
 */
public class Stmnt extends ASTList implements TokenId {
    protected int operatorId;

    public Stmnt(int op, ASTree _head, ASTList _tail) {
        super(_head, _tail);
        operatorId = op;
    }

    public Stmnt(int op, ASTree _head) {
        super(_head);
        operatorId = op;
    }

    public Stmnt(int op) {
        this(op, null);
    }

    public static Stmnt make(int op, ASTree oprand1, ASTree oprand2) {
        return new Stmnt(op, oprand1, new ASTList(oprand2));
    }

    public static Stmnt make(int op, ASTree op1, ASTree op2, ASTree op3) {
        return new Stmnt(op, op1, new ASTList(op2, new ASTList(op3)));
    }

    public void accept(Visitor v) throws CompileError { v.atStmnt(this); }

    public int getOperator() { return operatorId; }

    protected String getTag() {
        if (operatorId < 128)
            return "stmnt:" + (char)operatorId;
        else
            return "stmnt:" + operatorId;
    }
}