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Avoid calling hook methods if they are not overridden.

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2017-02-15 09:25:09 +09:00
parent 04296925ac
commit dd24f9f5cc
1 changed files with 21 additions and 4 deletions
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src/class.c
+21 -4
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@@ -240,12 +240,22 @@ mrb_define_class(mrb_state *mrb, const char *name, struct RClass *super)
return mrb_define_class_id(mrb, mrb_intern_cstr(mrb, name), super);
}
static mrb_value mrb_bob_init(mrb_state *mrb, mrb_value cv);
static void
mrb_class_inherited(mrb_state *mrb, struct RClass *super, struct RClass *klass)
{
mrb_value s;
mrb_sym mid;
if (!super)
super = mrb->object_class;
mrb_funcall(mrb, mrb_obj_value(super), "inherited", 1, mrb_obj_value(klass));
s = mrb_obj_value(super);
mid = mrb_intern_lit(mrb, "inherited");
if (!mrb_func_basic_p(mrb, s, mid, mrb_bob_init)) {
mrb_value c = mrb_obj_value(klass);
mrb_funcall_argv(mrb, mrb_obj_value(super), mid, 1, &c);
}
}
MRB_API struct RClass*
@@ -1407,10 +1417,13 @@ MRB_API mrb_value
mrb_obj_new(mrb_state *mrb, struct RClass *c, mrb_int argc, const mrb_value *argv)
{
mrb_value obj;
mrb_sym mid;
obj = mrb_instance_alloc(mrb, mrb_obj_value(c));
mrb_funcall_argv(mrb, obj, mrb_intern_lit(mrb, "initialize"), argc, argv);
mid = mrb_intern_lit(mrb, "initialize");
if (!mrb_func_basic_p(mrb, obj, mid, mrb_bob_init)) {
mrb_funcall_argv(mrb, obj, mid, argc, argv);
}
return obj;
}
@@ -1432,13 +1445,17 @@ mrb_class_new_class(mrb_state *mrb, mrb_value cv)
mrb_int n;
mrb_value super, blk;
mrb_value new_class;
mrb_sym mid;
n = mrb_get_args(mrb, "|C&", &super, &blk);
if (n == 0) {
super = mrb_obj_value(mrb->object_class);
}
new_class = mrb_obj_value(mrb_class_new(mrb, mrb_class_ptr(super)));
mrb_funcall_with_block(mrb, new_class, mrb_intern_lit(mrb, "initialize"), n, &super, blk);
mid = mrb_intern_lit(mrb, "initialize");
if (!mrb_func_basic_p(mrb, new_class, mid, mrb_bob_init)) {
mrb_funcall_with_block(mrb, new_class, mid, n, &super, blk);
}
mrb_class_inherited(mrb, mrb_class_ptr(super), mrb_class_ptr(new_class));
return new_class;
}