NewObjectCmd.java

package com.coderising.jvm.cmd;

import com.coderising.jvm.clz.ClassFile;
import com.coderising.jvm.constant.ClassInfo;
import com.coderising.jvm.constant.ConstantPool;
import com.coderising.jvm.engine.ExecutionResult;
import com.coderising.jvm.engine.Heap;
import com.coderising.jvm.engine.JavaObject;
import com.coderising.jvm.engine.StackFrame;

public class NewObjectCmd extends TwoOperandCmd{

	protected NewObjectCmd(ClassFile clzFile, String opCode) {
		super(clzFile, opCode);
	}
	
	@Override
	public String toString(ConstantPool pool){
		return super.getOperandAsClassInfo(pool);
	}

	public void execute(StackFrame frame, ExecutionResult result){
		
		int index = this.getIndex();//
		
		ClassInfo info = (ClassInfo)this.getConstantInfo(index);
		
		String clzName = info.getClassName();
		
		// �� Java���ϴ���һ��ʵ��
		JavaObject jo = Heap.getInstance().newObject(clzName);
		frame.getOprandStack().push(jo);// ����ǰջ֡�еIJ�����ջ��ѹ��ʵ������

	}
}