/**
 *
 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either 
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 * 
 **/
package lucee.transformer.bytecode.statement;

import java.io.PrintStream;

import lucee.transformer.Position;
import lucee.transformer.TransformerException;
import lucee.transformer.bytecode.BytecodeContext;
import lucee.transformer.bytecode.util.Types;
import lucee.transformer.expression.Expression;

import org.objectweb.asm.Type;
import org.objectweb.asm.commons.GeneratorAdapter;
import org.objectweb.asm.commons.Method;

public final class SystemOut extends StatementBaseNoFinal {
    

    // void println (Object)
    private final static Method METHOD_PRINTLN = new Method("println",
			Types.VOID,
			new Type[]{Types.OBJECT}); 
    
    Expression expr;
    
    /**
     * constructor of the class
     * @param expr
     * @param line 
     */
    public SystemOut(Expression expr, Position start,Position end) {
        super(expr.getFactory(),start,end);
        this.expr=expr;
    }
 
    /**
     * @see lucee.transformer.bytecode.statement.StatementBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter)
     */
    @Override
	public void _writeOut(BytecodeContext bc) throws TransformerException {
    	GeneratorAdapter adapter = bc.getAdapter();
        adapter.getStatic(Type.getType(System.class),"out",Type.getType(PrintStream.class));
        expr.writeOut(bc,Expression.MODE_REF);
        adapter.invokeVirtual(Type.getType(PrintStream.class),METHOD_PRINTLN);
    }
}