flash.swf.actions.Try Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of swfutils Show documentation
The Apache Royale Compiler SWF Utility classes
There is a newer version: 0.9.12
/*
 *
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package flash.swf.actions;

import flash.swf.Action;
import flash.swf.ActionHandler;
import flash.swf.ActionConstants;

/**
 * Represents an AS2 "try" byte code.
 */
public class Try extends Action
{
    public Try()
    {
        super(ActionConstants.sactionTry);
    }

    public void visit(ActionHandler h)
    {
        h.tryAction(this);
    }

    public int flags;

	/** name of variable holding the error object in catch body */
    public String catchName;

	/** register that holds the catch variable */
	public int catchReg;

	/** marks end of body and start of catch handler */
	public Label endTry;
	/** marks end of catch handler and start of finally handler */
	public Label endCatch;
	/** marks end of finally handler */
	public Label endFinally;

    public boolean equals(Object object)
    {
        boolean isEqual = false;

        if (super.equals(object) && (object instanceof Try))
        {
            Try tryAction = (Try) object;

            if ( (tryAction.flags == this.flags) &&
                 equals(tryAction.catchName, this.catchName) &&
                 (tryAction.catchReg == this.catchReg) &&
                 tryAction.endTry == this.endTry &&
                 tryAction.endCatch == this.endCatch &&
                 tryAction.endFinally == this.endFinally )
            {
                isEqual = true;
            }
        }

        return isEqual;
    }

	public boolean hasCatch()
	{
		return (flags & ActionConstants.kTryHasCatchFlag) != 0;
	}

	public boolean hasFinally()
	{
		return (flags & ActionConstants.kTryHasFinallyFlag) != 0;
	}

	public boolean hasRegister()
	{
		return (flags & ActionConstants.kTryCatchRegisterFlag) != 0;
	}
}