* string.c (rb_hash_uint32, rb_hash_uint, rb_hash_start, rb_hash_end),

  include/ruby/intern.h: add Murmurhash API.  [ruby-dev:37784]

* complex.c (nucomp_hash), array.c (rb_ary_hash), time.c (time_hash),
  string.c (rb_str_hsah), object.c (rb_obj_hash), range.c
  (range_hash), struct.c (rb_struct_hash), hash.c (rb_any_hash),
  rational.c (nurat_hash): use Murmurhash.  [ruby-dev:37784]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22317 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/object.c b/object.c
index ab940abe8f..39bab324dc 100644
--- a/object.c
+++ b/object.c
@@ -95,6 +95,14 @@ rb_obj_equal(VALUE obj1, VALUE obj2)
     return Qfalse;
 }
 
+VALUE
+rb_obj_hash(VALUE obj)
+{
+    VALUE oid = rb_obj_id(obj);
+    unsigned h = rb_hash_end(rb_hash_start(NUM2LONG(oid)));
+    return LONG2NUM(h);
+}
+
 /*
  *  call-seq:
  *     !obj    => true or false
@@ -2505,6 +2513,7 @@ Init_Object(void)
     rb_define_method(rb_mKernel, "=~", rb_obj_match, 1);
     rb_define_method(rb_mKernel, "!~", rb_obj_not_match, 1);
     rb_define_method(rb_mKernel, "eql?", rb_obj_equal, 1);
+    rb_define_method(rb_mKernel, "hash", rb_obj_hash, 0);
 
     rb_define_method(rb_mKernel, "class", rb_obj_class, 0);
     rb_define_method(rb_mKernel, "clone", rb_obj_clone, 0);