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import jas.*;
import java.io.*;
//
// This is program that makes calls into the jas package
// to generate a class that does nothing at all.
//
class simple implements RuntimeConstants
{
public static void main(String argv[])
throws jasError, IOException
{
// CodeAttr's contain the body of
// a method.
CodeAttr init = new CodeAttr();
init.addInsn(new Insn(opc_aload_0));
init.addInsn(new Insn(opc_invokenonvirtual,
new MethodCP("java/lang/Object", "<init>", "()V")));
init.addInsn(new Insn(opc_return));
// ClassEnv's are used as a container
// to hold all information about a class.
ClassEnv nclass = new ClassEnv();
nclass.setClass(new ClassCP("out"));
nclass.setSuperClass(new ClassCP("java/lang/Object"));
// Add the init code to the class.
nclass.addMethod((short)ACC_PUBLIC, "<init>", "()V", init, null);
// write it all out
nclass.write(new DataOutputStream
(new FileOutputStream("out.class")));
}
}
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