/*
 $Id: AssertStatement.java 3104 2005-11-13 16:42:14Z blackdrag $

 Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.

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 ("Software"), with or without modification, are permitted provided
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    http://groovy.codehaus.org/

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 */
package org.codehaus.groovy.ast.stmt;

import org.codehaus.groovy.ast.GroovyCodeVisitor;
import org.codehaus.groovy.ast.expr.BooleanExpression;
import org.codehaus.groovy.ast.expr.ConstantExpression;
import org.codehaus.groovy.ast.expr.Expression;

/**
 * Represents an assert statement such as 
 * <code>
 * assert i != 0 : "should never be zero";
 * </code>
 * 
 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
 * @version $Revision: 3104 $
 */
public class AssertStatement extends Statement {

    private BooleanExpression booleanExpression;
    private Expression messageExpression;
    
    public AssertStatement(BooleanExpression booleanExpression) {
        this(booleanExpression, ConstantExpression.NULL);
    }
    
    public AssertStatement(BooleanExpression booleanExpression, Expression messageExpression) {
        this.booleanExpression = booleanExpression;
        this.messageExpression = messageExpression;
    }
    
    public void visit(GroovyCodeVisitor visitor) {
        visitor.visitAssertStatement(this);
    }

    public Expression getMessageExpression() {
        return messageExpression;
    }

    public BooleanExpression getBooleanExpression() {
        return booleanExpression;
    }
    public void setBooleanExpression(BooleanExpression booleanExpression) {
        this.booleanExpression = booleanExpression;
    }
    public void setMessageExpression(Expression messageExpression) {
        this.messageExpression = messageExpression;
    }
}