inspect

/*
 *  call-seq:
 *   meth.to_s      =>  string
 *   meth.inspect   =>  string
 *
 *  Show the name of the underlying method.
 *
 *    "cat".method(:count).inspect   #=> "#<Method: String#count>"
 */

static VALUE
method_inspect(method)
    VALUE method;
{
    struct METHOD *data;
    VALUE str;
    const char *s;
    const char *sharp = "#";

    Data_Get_Struct(method, struct METHOD, data);
    str = rb_str_buf_new2("#<");
    s = rb_obj_classname(method);
    rb_str_buf_cat2(str, s);
    rb_str_buf_cat2(str, ": ");

    if (FL_TEST(data->klass, FL_SINGLETON)) {
        VALUE v = rb_iv_get(data->klass, "__attached__");

        if (data->recv == Qundef) {
            rb_str_buf_append(str, rb_inspect(data->klass));
        }
        else if (data->recv == v) {
            rb_str_buf_append(str, rb_inspect(v));
            sharp = ".";
        }
        else {
            rb_str_buf_append(str, rb_inspect(data->recv));
            rb_str_buf_cat2(str, "(");
            rb_str_buf_append(str, rb_inspect(v));
            rb_str_buf_cat2(str, ")");
            sharp = ".";
        }
    }
    else {
        rb_str_buf_cat2(str, rb_class2name(data->rklass));
        if (data->rklass != data->klass) {
            rb_str_buf_cat2(str, "(");
            rb_str_buf_cat2(str, rb_class2name(data->klass));
            rb_str_buf_cat2(str, ")");
        }
    }
    rb_str_buf_cat2(str, sharp);
    rb_str_buf_cat2(str, rb_id2name(data->oid));
    rb_str_buf_cat2(str, ">");

    return str;
}