From ccf20a6d3fca0ae3a6817387622892c4db340032 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 3 Apr 2008 10:59:44 +0000
Subject: [PATCH] * insns.def (defineclass): check if cbase is a class or a
 module.   [ruby-core:16118]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15894 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog       |  5 +++++
 insns.def       |  4 ++++
 vm_insnhelper.c | 22 ++++++++++++++--------
 3 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 3d82826b4b..6c529c0e43 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Apr  3 19:59:42 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* insns.def (defineclass): check if cbase is a class or a module.
+	  [ruby-core:16118]
+
 Thu Apr  3 14:42:11 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* common.mk (INSNS): add insns_info.inc.
diff --git a/insns.def b/insns.def
index d89d989ac6..cb7802e704 100644
--- a/insns.def
+++ b/insns.def
@@ -943,6 +943,8 @@ defineclass
 	    cbase = vm_get_cbase(th);
 	}
 
+	vm_check_if_namespace(cbase);
+
 	/* find klass */
 	if (rb_const_defined_at(cbase, id)) {
 	    /* already exist */
@@ -981,6 +983,8 @@ defineclass
 	    cbase = vm_get_cbase(th);
 	}
 
+	vm_check_if_namespace(cbase);
+
 	/* find klass */
 	if (rb_const_defined_at(cbase, id)) {
 	    klass = rb_const_get_at(cbase, id);
diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 6e0d8f30cb..dd72601668 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -976,6 +976,19 @@ vm_getspecial(rb_thread_t *th, VALUE *lfp, VALUE key, rb_num_t type)
     return val;
 }
 
+static inline void
+vm_check_if_namespace(VALUE klass)
+{
+    switch (TYPE(klass)) {
+      case T_CLASS:
+      case T_MODULE:
+	break;
+      default:
+	rb_raise(rb_eTypeError, "%s is not a class/module",
+		 RSTRING_PTR(rb_obj_as_string(klass)));
+    }
+}
+
 static inline VALUE
 vm_get_ev_const(rb_thread_t *th, rb_iseq_t *iseq,
 		VALUE klass, ID id, int is_defined)
@@ -1030,14 +1043,7 @@ vm_get_ev_const(rb_thread_t *th, rb_iseq_t *iseq,
 	}
     }
     else {
-	switch (TYPE(klass)) {
-	  case T_CLASS:
-	  case T_MODULE:
-	    break;
-	  default:
-	    rb_raise(rb_eTypeError, "%s is not a class/module",
-		     RSTRING_PTR(rb_obj_as_string(klass)));
-	}
+	vm_check_if_namespace(klass);
 	if (is_defined) {
 	    return rb_const_defined(klass, id);
 	}