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 {

	public NewObjectCmd(ClassFile clzFile, String opCode) {
		super(clzFile, opCode);
	}

	@Override
	public String toString(ConstantPool pool) {

		return super.getOperandAsClassInfo(pool);
	}

	@Override
	public void execute(StackFrame frame, ExecutionResult result) {
		int index = this.getIndex();

		ClassInfo info = (ClassInfo) this.getConstantInfo(index);

		String clzName = info.getClassName();

		JavaObject jo = Heap.getInstance().newObject(clzName);

		frame.getOprandStack().push(jo);

	}

}