protected ClassWriter(Context context) {
super(context);
context.put(ClassWriter.class, this);
options = Options.instance(context);
attrWriter = AttributeWriter.instance(context);
codeWriter = CodeWriter.instance(context);
constantWriter = ConstantWriter.instance(context);
}
static ClassWriter instance(Context context) {
ClassWriter instance = context.get(ClassWriter.class);
if (instance == null) instance = new ClassWriter(context);
return instance;
}