// // called by the .class directive // void setClass(String name, short acc) { class_name = name; class_env.setClass(new ClassCP(name)); class_env.setClassAccess(acc); class_header = true; isInterface = 0 != (acc & RuntimeConstants.ACC_INTERFACE); }
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"))); }