Changeset 439 for EcnlProtoTool/trunk/mruby-2.1.1/src/enum.c

Timestamp:

Jul 9, 2020, 8:51:43 AM (4 years ago)

Author:

coas-nagasima

Message:

mrubyを2.1.1に更新

Location:

EcnlProtoTool/trunk/mruby-2.1.1

Files:

• . (moved) (moved from EcnlProtoTool/trunk/mruby-1.3.0 )
• src/enum.c (modified) (1 diff)

EcnlProtoTool/trunk/mruby-2.1.1/src/enum.c

@@ -6 +6 @@
 
 #include <mruby.h>
+#include <mruby/proc.h>
+
+/* internal method `__update_hash(oldhash, index, itemhash)` */
+static mrb_value
+enum_update_hash(mrb_state *mrb, mrb_value self)
+{
+  mrb_int hash;
+  mrb_int index;
+  mrb_int hv;
+
+  mrb_get_args(mrb, "iii", &hash, &index, &hv);
+  hash ^= ((uint32_t)hv << (index % 16));
+
+  return mrb_fixnum_value(hash);
+}
 
 void
 mrb_init_enumerable(mrb_state *mrb)
 {
-  mrb_define_module(mrb, "Enumerable");  /* 15.3.2 */
+  struct RClass *enumerable;
+  enumerable = mrb_define_module(mrb, "Enumerable");  /* 15.3.2 */
+  mrb_define_module_function(mrb, enumerable, "__update_hash", enum_update_hash, MRB_ARGS_REQ(3));
 }
-