From 1ad26ccf354816b68273e0d9c82594fbcf009f29 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 12 Jul 2000 09:36:21 +0000
Subject: [PATCH] matz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@831 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog  |  4 ++++
 variable.c | 38 ++++++++++++++++++++------------------
 2 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 6e6b5effa0..821fc10874 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 Wed Jul 12 15:32:57 2000  Yukihiro Matsumoto  <matz@netlab.co.jp>
 
+	* variable.c (rb_const_get): constants for builtin classes must
+	  have higher priority than constants from included modules at
+	  Object class.
+
 	* bignum.c (bigdivrem): small embarrassing typo.
 
 Wed Jul 12 15:06:28 2000  Yukihiro Matsumoto  <matz@netlab.co.jp>
diff --git a/variable.c b/variable.c
index 1a8d9ebd3c..bbf23f1a20 100644
--- a/variable.c
+++ b/variable.c
@@ -1011,31 +1011,23 @@ rb_obj_remove_instance_variable(obj, name)
     return val;
 }
 
-static VALUE
-top_const_get(klass, id)
-    VALUE klass;
+static int
+top_const_get(id, klassp)
     ID id;
+    VALUE *klassp;
 {
     VALUE value;
 
     /* pre-defined class */
-    if (st_lookup(rb_class_tbl, id, &value)) return value;
+    if (st_lookup(rb_class_tbl, id, klassp)) return Qtrue;
 
     /* autoload */
     if (autoload_tbl && st_lookup(autoload_tbl, id, 0)) {
 	rb_autoload_load(id);
-	return rb_const_get(klass, id);
+	*klassp = rb_const_get(rb_cObject, id);
+	return Qtrue;
     }
-
-    /* Uninitialized constant */
-    if (klass && klass != rb_cObject)
-	rb_raise(rb_eNameError, "uninitialized constant %s::%s",
-		 RSTRING(rb_class_path(klass))->ptr,
-		 rb_id2name(id));
-    else {
-	rb_raise(rb_eNameError, "uninitialized constant %s",rb_id2name(id));
-    }
-    return Qnil;		/* not reached */
+    return Qfalse;
 }
 
 VALUE
@@ -1048,8 +1040,8 @@ rb_const_get_at(klass, id)
     if (RCLASS(klass)->iv_tbl && st_lookup(RCLASS(klass)->iv_tbl, id, &value)) {
 	return value;
     }
-    if (klass == rb_cObject) {
-	return top_const_get(klass, id);
+    if (klass == rb_cObject && top_const_get(id, &value)) {
+	return value;
     }
     rb_raise(rb_eNameError, "uninitialized constant %s::%s",
 	     RSTRING(rb_class_path(klass))->ptr,
@@ -1084,12 +1076,22 @@ rb_const_get(klass, id)
 	if (RCLASS(tmp)->iv_tbl && st_lookup(RCLASS(tmp)->iv_tbl,id,&value)) {
 	    return value;
 	}
+	if (tmp == rb_cObject && top_const_get(id, &value)) return value;
 	tmp = RCLASS(tmp)->super;
     }
     if (BUILTIN_TYPE(klass) == T_MODULE) {
 	return rb_const_get(rb_cObject, id);
     }
-    return top_const_get(klass, id);
+
+    /* Uninitialized constant */
+    if (klass && klass != rb_cObject)
+	rb_raise(rb_eNameError, "uninitialized constant %s::%s",
+		 RSTRING(rb_class_path(klass))->ptr,
+		 rb_id2name(id));
+    else {
+	rb_raise(rb_eNameError, "uninitialized constant %s",rb_id2name(id));
+    }
+    return Qnil;		/* not reached */
 }
 
 static int