* variable.c (rb_mod_const_missing): new method. [ruby-core:00441]

* variable.c (rb_const_get_at): allow "const_missing" hook.

* variable.c (rb_const_get_0): ditto.

* eval.c (method_missing): rename from rb_undefined to clarify.

* eval.c (ruby_finalize_0): update exit status if any of END proc
  raises SystemExit. [ruby-core:01256]

* eval.c (rb_exec_end_proc): reduce rb_protect().


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4116 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 18 insertions, 23 deletions

diff --git a/variable.c b/variable.c
index 6aa98035f1..77c1c37240 100644
--- a/variable.c
+++ b/variable.c
@@ -1116,6 +1116,22 @@ uninitialized_constant(klass, id)
     }
 }
 
+static VALUE
+const_missing(klass, id)
+    VALUE klass;
+    ID id;
+{
+    return rb_funcall(klass, rb_intern("const_missing"), 1, ID2SYM(id));
+}
+
+VALUE
+rb_mod_const_missing(klass, name)
+    VALUE klass, name;
+{
+    uninitialized_constant(klass, rb_to_id(name));
+    return Qnil;		/* not reached */
+}
+
 static struct st_table *
 check_autoload_table(av)
     VALUE av;
@@ -1268,8 +1284,7 @@ rb_const_get_at(klass, id)
 	}
 	return value;
     }
-    uninitialized_constant(klass, id);
-    return Qnil;		/* not reached */
+    return const_missing(klass, id);
 }
 
 static VALUE
@@ -1303,8 +1318,7 @@ rb_const_get_0(klass, id, exclude)
 	goto retry;
     }
 
-    uninitialized_constant(klass, id);
-    return Qnil;		/* not reached */
+    return const_missing(klass, id);
 }
 
 VALUE
@@ -1527,25 +1541,6 @@ rb_const_set(klass, id, val)
 }
 
 void
-rb_const_assign(klass, id, val)
-    VALUE klass;
-    ID id;
-    VALUE val;
-{
-    VALUE tmp = klass;
-
-    while (tmp) {
-	if (RCLASS(tmp)->iv_tbl && st_lookup(RCLASS(tmp)->iv_tbl,id,0)) {
-	    st_insert(RCLASS(tmp)->iv_tbl, id, val);
-	    return;
-	}
-	tmp = RCLASS(tmp)->super;
-    }
-
-    uninitialized_constant(klass, id);
-}
-
-void
 rb_define_const(klass, name, val)
     VALUE klass;
     const char *name;