Method make

src/stone/Parser.java:237–245

(Object arg)

    protected static abstract class Factory {
        protected abstract ASTree make0(Object arg) throws Exception;
        protected ASTree make(Object arg) {
            try {
                return make0(arg);
            } catch (IllegalArgumentException e1) {
                throw e1;
            } catch (Exception e2) {
                throw new RuntimeException(e2); // this compiler is broken.
            }
        }
        protected static Factory getForASTList(Class<? extends ASTree> clazz) {
            Factory f = get(clazz, List.class);
            if (f == null)