static inline khint_t
mrb_hash_ht_hash_func(mrb_state *mrb, mrb_value key)
{
enum mrb_vtype t = mrb_type(key);
mrb_value hv;
khint_t h;
switch (t) {
case MRB_TT_STRING:
h = mrb_str_hash(mrb, key);
break;
case MRB_TT_TRUE:
case MRB_TT_FALSE:
case MRB_TT_SYMBOL:
case MRB_TT_FIXNUM:
case MRB_TT_FLOAT:
h = (khint_t)mrb_obj_id(key);
break;
default:
hv = mrb_funcall(mrb, key, "hash", 0);
h = (khint_t)t ^ mrb_fixnum(hv);
break;
}
return kh_int_hash_func(mrb, h);
}
/*
* Class: org_jamruby_mruby_Value
* Method: n_obj_id
* Signature: ()I
*/
JNIEXPORT jint JNICALL Java_org_jamruby_mruby_Value_n_1obj_1id
(JNIEnv *env, jobject obj)
{
mrb_value obj_val;
if (!create_mrb_value(getEnv(), obj, obj_val)) {
// MEMO invalid object id is undefined.
return 0;
}
return mrb_obj_id(obj_val);
}
/*
* call-seq:
* obj.hash -> fixnum
*
* Generates a <code>Fixnum</code> hash value for this object. This
* function must have the property that <code>a.eql?(b)</code> implies
* <code>a.hash == b.hash</code>. The hash value is used by class
* <code>Hash</code>. Any hash value that exceeds the capacity of a
* <code>Fixnum</code> will be truncated before being used.
*/
mrb_value
mrb_obj_hash(mrb_state *mrb, mrb_value self)
{
return mrb_fixnum_value(mrb_obj_id(self));
}
