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lightning-sunbird  0.9+nobinonly
xpccontext.cpp
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00001 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
00002  *
00003  * ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
00010  *
00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
00014  * License.
00015  *
00016  * The Original Code is Mozilla Communicator client code, released
00017  * March 31, 1998.
00018  *
00019  * The Initial Developer of the Original Code is
00020  * Netscape Communications Corporation.
00021  * Portions created by the Initial Developer are Copyright (C) 1998
00022  * the Initial Developer. All Rights Reserved.
00023  *
00024  * Contributor(s):
00025  *   John Bandhauer <jband@netscape.com> (original author)
00026  *
00027  * Alternatively, the contents of this file may be used under the terms of
00028  * either of the GNU General Public License Version 2 or later (the "GPL"),
00029  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00030  * in which case the provisions of the GPL or the LGPL are applicable instead
00031  * of those above. If you wish to allow use of your version of this file only
00032  * under the terms of either the GPL or the LGPL, and not to allow others to
00033  * use your version of this file under the terms of the MPL, indicate your
00034  * decision by deleting the provisions above and replace them with the notice
00035  * and other provisions required by the GPL or the LGPL. If you do not delete
00036  * the provisions above, a recipient may use your version of this file under
00037  * the terms of any one of the MPL, the GPL or the LGPL.
00038  *
00039  * ***** END LICENSE BLOCK ***** */
00040 
00041 /* Per JSContext object. */
00042 
00043 #include "xpcprivate.h"
00044 
00045 /***************************************************************************/
00046 
00047 // static
00048 XPCContext*
00049 XPCContext::newXPCContext(XPCJSRuntime* aRuntime,
00050                           JSContext* aJSContext)
00051 {
00052     NS_PRECONDITION(aRuntime,"bad param");
00053     NS_PRECONDITION(aJSContext,"bad param");
00054     NS_ASSERTION(JS_GetRuntime(aJSContext) == aRuntime->GetJSRuntime(),
00055                  "XPConnect can not be used on multiple JSRuntimes!");
00056 
00057     return new XPCContext(aRuntime, aJSContext);
00058 }
00059 
00060 MOZ_DECL_CTOR_COUNTER(XPCContext)
00061 
00062 XPCContext::XPCContext(XPCJSRuntime* aRuntime,
00063                        JSContext* aJSContext)
00064     :   mRuntime(aRuntime),
00065         mJSContext(aJSContext),
00066         mLastResult(NS_OK),
00067         mPendingResult(NS_OK),
00068         mSecurityManager(nsnull),
00069         mException(nsnull),
00070         mCallingLangType(LANG_UNKNOWN),
00071         mSecurityManagerFlags(0),
00072         mMarked((JSPackedBool) JS_FALSE)
00073 {
00074     MOZ_COUNT_CTOR(XPCContext);
00075 
00076     for(const char** p =  XPC_ARG_FORMATTER_FORMAT_STRINGS; *p; p++)
00077         JS_AddArgumentFormatter(mJSContext, *p, XPC_JSArgumentFormatter);
00078 }
00079 
00080 XPCContext::~XPCContext()
00081 {
00082     MOZ_COUNT_DTOR(XPCContext);
00083     NS_IF_RELEASE(mException);
00084     NS_IF_RELEASE(mSecurityManager);
00085     // we do not call JS_RemoveArgumentFormatter because we now only
00086     // delete XPCContext *after* the underlying JSContext is dead
00087 }
00088 
00089 void
00090 XPCContext::DebugDump(PRInt16 depth)
00091 {
00092 #ifdef DEBUG
00093     depth--;
00094     XPC_LOG_ALWAYS(("XPCContext @ %x", this));
00095         XPC_LOG_INDENT();
00096         XPC_LOG_ALWAYS(("mRuntime @ %x", mRuntime));
00097         XPC_LOG_ALWAYS(("mJSContext @ %x", mJSContext));
00098         XPC_LOG_ALWAYS(("mLastResult of %x", mLastResult));
00099         XPC_LOG_ALWAYS(("mPendingResult of %x", mPendingResult));
00100         XPC_LOG_ALWAYS(("mSecurityManager @ %x", mSecurityManager));
00101         XPC_LOG_ALWAYS(("mSecurityManagerFlags of %x", mSecurityManagerFlags));
00102 
00103         XPC_LOG_ALWAYS(("mException @ %x", mException));
00104         if(depth && mException)
00105         {
00106             // XXX show the exception here...
00107         }
00108 
00109         XPC_LOG_ALWAYS(("mCallingLangType of %s",
00110                          mCallingLangType == LANG_UNKNOWN ? "LANG_UNKNOWN" :
00111                          mCallingLangType == LANG_JS      ? "LANG_JS" :
00112                                                             "LANG_NATIVE"));
00113         XPC_LOG_OUTDENT();
00114 #endif
00115 }