Allow getting the lineNumber of XPConnect expceptions. Bug 291377, r=sicking,

sr=jst. r=mrbkap, sr=jst for the test.
2007-04-27 04:19:12 +00:00 · 2007-04-27 04:19:12 +00:00 · ef4d4e9be0
--- a/dom/src/base/nsDOMScriptObjectFactory.cpp
+++ b/dom/src/base/nsDOMScriptObjectFactory.cpp
@ -316,13 +316,18 @@ static nsresult
 CreateXPConnectException(nsresult aResult, nsIException *aDefaultException,
                         nsIException **_retval)
 {
-  nsresult rv = NS_OK;
-  nsCOMPtr<nsIXPCException> exception(
-      do_CreateInstance("@mozilla.org/js/xpc/Exception;1", &rv));
-  NS_ENSURE_SUCCESS(rv, rv);
+  // See whether we already have a useful XPConnect exception.  If we
+  // do, let's not create one with _less_ information!
+  nsCOMPtr<nsIXPCException> exception(do_QueryInterface(aDefaultException));
+  if (!exception) {
+    nsresult rv = NS_OK;
+    exception = do_CreateInstance("@mozilla.org/js/xpc/Exception;1", &rv);
+    NS_ENSURE_SUCCESS(rv, rv);

-  rv = exception->Initialize(nsnull, aResult, nsnull, nsnull, nsnull, nsnull);
-  NS_ENSURE_SUCCESS(rv, rv);
+    rv = exception->Initialize(nsnull, aResult, nsnull, nsnull, nsnull,
+                               nsnull);
+    NS_ENSURE_SUCCESS(rv, rv);
+  }

  NS_ADDREF(*_retval = exception);
  return NS_OK;
--- a/dom/tests/mochitest/bugs/Makefile.in
+++ b/dom/tests/mochitest/bugs/Makefile.in
@ -45,6 +45,7 @@ include $(DEPTH)/config/autoconf.mk
 include $(topsrcdir)/config/rules.mk

 _TEST_FILES	= \
+		test_bug291377.html \
 		test_bug308856.html \
 		test_bug333983.html \
 		test_bug342448.html \
--- a/dom/tests/mochitest/bugs/test_bug291377.html
+++ b/dom/tests/mochitest/bugs/test_bug291377.html
@ -0,0 +1,42 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=291377
+-->
+<head>
+  <title>Test for Bug 291377</title>
+  <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=291377">Mozilla Bug 291377</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+  
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+/** Test for Bug 291377 **/
+/* Do something that causes an XPConnect exception */
+var threw = true;
+try {
+  document.appendChild();  /* Not enough arguments */
+  threw = false;
+} catch (e) {
+  /* Check that we can touch various properties */
+  is(e.lineNumber, 24, "Unexpected line number");
+  is(e.name, "NS_ERROR_XPC_NOT_ENOUGH_ARGS", "Unexpected exception name");
+  isnot(e.message, "", "Should have a message");
+  isnot(e.result, 0, "Should have a result");
+  
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  is(e.result, Components.results.NS_ERROR_XPC_NOT_ENOUGH_ARGS);
+}
+
+is(threw, true, "Not enough arguments to a call should throw");
+</script>
+</pre>
+</body>
+</html>
+
--- a/js/src/xpconnect/src/xpcexception.cpp
+++ b/js/src/xpconnect/src/xpcexception.cpp
@ -121,9 +121,6 @@ nsXPCException::GetNSResultCount()
 NS_INTERFACE_MAP_BEGIN(nsXPCException)
  NS_INTERFACE_MAP_ENTRY(nsIException)
  NS_INTERFACE_MAP_ENTRY(nsIXPCException)
-#ifdef XPC_USE_SECURITY_CHECKED_COMPONENT
-  NS_INTERFACE_MAP_ENTRY(nsISecurityCheckedComponent)
-#endif
  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIException)
  NS_IMPL_QUERY_CLASSINFO(nsXPCException)
 NS_INTERFACE_MAP_END_THREADSAFE
@ -484,43 +481,3 @@ nsXPCException::NewException(const char *aMessage,
    *exceptn = NS_STATIC_CAST(nsIXPCException*, e);
    return NS_OK;
 }
-
-#ifdef XPC_USE_SECURITY_CHECKED_COMPONENT
-
-/* string canCreateWrapper (in nsIIDPtr iid); */
-NS_IMETHODIMP
-nsXPCException::CanCreateWrapper(const nsIID * iid, char **_retval)
-{
-    *_retval = xpc_CloneAllAccess();
-    return NS_OK;
-}
-
-/* string canCallMethod (in nsIIDPtr iid, in wstring methodName); */
-NS_IMETHODIMP
-nsXPCException::CanCallMethod(const nsIID * iid, const PRUnichar *methodName, char **_retval)
-{
-    static const char* allowed[] = { "toString", nsnull};
-
-    *_retval = xpc_CheckAccessList(methodName, allowed);
-    return NS_OK;
-}
-
-/* string canGetProperty (in nsIIDPtr iid, in wstring propertyName); */
-NS_IMETHODIMP
-nsXPCException::CanGetProperty(const nsIID * iid, const PRUnichar *propertyName, char **_retval)
-{
-    static const char* allowed[] = { "message", "result", "name", nsnull};
-
-    *_retval = xpc_CheckAccessList(propertyName, allowed);
-    return NS_OK;
-}
-
-/* string canSetProperty (in nsIIDPtr iid, in wstring propertyName); */
-NS_IMETHODIMP
-nsXPCException::CanSetProperty(const nsIID * iid, const PRUnichar *propertyName, char **_retval)
-{
-    // If you have to ask, then the answer is NO
-    *_retval = nsnull;
-    return NS_OK;
-}
-#endif
--- a/js/src/xpconnect/src/xpcmodule.cpp
+++ b/js/src/xpconnect/src/xpcmodule.cpp
@ -85,7 +85,7 @@ static const nsModuleComponentInfo components[] = {
  {nsnull, NS_JS_ID_CID,                         XPC_ID_CONTRACTID,            nsJSIDConstructor             },
  {nsnull, NS_XPCONNECT_CID,                     XPC_XPCONNECT_CONTRACTID,     nsIXPConnectConstructor       },
  {nsnull, NS_XPC_THREAD_JSCONTEXT_STACK_CID,    XPC_CONTEXT_STACK_CONTRACTID, nsIJSContextStackConstructor  },
-  {nsnull, NS_XPCEXCEPTION_CID,                  XPC_EXCEPTION_CONTRACTID,     nsXPCExceptionConstructor, nsnull, nsnull, nsnull, NS_CI_INTERFACE_GETTER_NAME(nsXPCException), nsnull, &NS_CLASSINFO_NAME(nsXPCException)},
+  {nsnull, NS_XPCEXCEPTION_CID,                  XPC_EXCEPTION_CONTRACTID,     nsXPCExceptionConstructor, nsnull, nsnull, nsnull, NS_CI_INTERFACE_GETTER_NAME(nsXPCException), nsnull, &NS_CLASSINFO_NAME(nsXPCException), nsIClassInfo::DOM_OBJECT },
  {nsnull, NS_JS_RUNTIME_SERVICE_CID,            XPC_RUNTIME_CONTRACTID,       nsIJSRuntimeServiceConstructor},
  {NS_SCRIPTERROR_CLASSNAME, NS_SCRIPTERROR_CID, NS_SCRIPTERROR_CONTRACTID,    nsScriptErrorConstructor      },
  {nsnull, SCRIPTABLE_INTERFACES_CID,            NS_SCRIPTABLE_INTERFACES_CONTRACTID,        nsXPCComponents_InterfacesConstructor, 0, 0, 0, 0, 0, 0, nsIClassInfo::THREADSAFE },
--- a/js/src/xpconnect/src/xpcprivate.h
+++ b/js/src/xpconnect/src/xpcprivate.h
@ -2609,9 +2609,6 @@ private:

 class nsXPCException :
            public nsIXPCException
-#ifdef XPC_USE_SECURITY_CHECKED_COMPONENT
-          , public nsISecurityCheckedComponent
-#endif
 {
 public:
    NS_DEFINE_STATIC_CID_ACCESSOR(NS_XPCEXCEPTION_CID)
@ -2619,9 +2616,6 @@ public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSIEXCEPTION
    NS_DECL_NSIXPCEXCEPTION
-#ifdef XPC_USE_SECURITY_CHECKED_COMPONENT
-    NS_DECL_NSISECURITYCHECKEDCOMPONENT
-#endif

    static nsresult NewException(const char *aMessage,
                                 nsresult aResult,