From 082a12bce764dd6e4bf7c6e943675ae730bd88be Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@gcc.gnu.org>
Date: Sun, 18 Mar 2001 23:07:57 +0000
Subject: natClass.cc (_Jv_CheckCast): add class names to exception

* java/lang/natClass.cc (_Jv_CheckCast): add class names to exception
* gnu/gcj/runtime/FirstThread.java (main): replace / with . in jarMainClassName

From-SVN: r40604
---
 libjava/java/lang/natClass.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'libjava/java')

diff --git a/libjava/java/lang/natClass.cc b/libjava/java/lang/natClass.cc
index a1008d6..11f5e50 100644
--- a/libjava/java/lang/natClass.cc
+++ b/libjava/java/lang/natClass.cc
@@ -983,7 +983,12 @@ _Jv_CheckCast (jclass c, jobject obj)
 {
   if (__builtin_expect 
        (obj != NULL && ! _Jv_IsAssignableFrom(c, JV_CLASS (obj)), false))
-    JvThrow (new java::lang::ClassCastException);
+    JvThrow (new java::lang::ClassCastException
+            ((new java::lang::StringBuffer
+             (obj->getClass()->getName()))->append
+             (JvNewStringUTF(" cannot be cast to "))->append
+             (c->getName())->toString()));
+
   return obj;
 }
 
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