package com.coderising.jvm.cmd;
import com.coderising.jvm.clz.ClassFile;
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;
// bipush: �����ֽڵij���ֵ(-128 - 127) ������ջ��
public class BiPushCmd extends OneOperandCmd{
protected BiPushCmd(ClassFile clzFile, String opCode) {
super(clzFile, opCode);
}
@Override
public String toString(ConstantPool pool) {
return this.getOffset()+": "+ this.getOpCode()+" " + this.getReadableCodeText() + " " + this.getOperand();
}
@Override
public void execute(StackFrame frame, ExecutionResult result) {
int value = this.getOperand();
JavaObject jo = Heap.getInstance().newInt(value);
frame.getOprandStack().push(jo);
}
}