The Tor Browser: js/xpconnect/src/XPCContext.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* vim: set ts=8 sts=4 et sw=4 tw=99: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 /* Per JSContext object. */

     9 #include "xpcprivate.h"

    11 #include "jsapi.h"

    13 /***************************************************************************/

    15 XPCContext::XPCContext(XPCJSRuntime* aRuntime,

    16                        JSContext* aJSContext)

    17     :   mRuntime(aRuntime),

    18         mJSContext(aJSContext),

    19         mLastResult(NS_OK),

    20         mPendingResult(NS_OK),

    21         mCallingLangType(LANG_UNKNOWN)

    22 {

    23     MOZ_COUNT_CTOR(XPCContext);

    25     PR_INIT_CLIST(&mScopes);

    27     MOZ_ASSERT(!JS_GetSecondContextPrivate(mJSContext), "Must be null");

    28     JS_SetSecondContextPrivate(mJSContext, this);

    29 }

    31 XPCContext::~XPCContext()

    32 {

    33     MOZ_COUNT_DTOR(XPCContext);

    34     MOZ_ASSERT(JS_GetSecondContextPrivate(mJSContext) == this, "Must match this");

    35     JS_SetSecondContextPrivate(mJSContext, nullptr);

    37     // Iterate over our scopes and tell them that we have been destroyed

    38     for (PRCList *scopeptr = PR_NEXT_LINK(&mScopes);

    39          scopeptr != &mScopes;

    40          scopeptr = PR_NEXT_LINK(scopeptr)) {

    41         XPCWrappedNativeScope *scope =

    42             static_cast<XPCWrappedNativeScope*>(scopeptr);

    43         scope->ClearContext();

    44     }

    45 }

    47 void

    48 XPCContext::DebugDump(int16_t depth)

    49 {

    50 #ifdef DEBUG

    51     depth--;

    52     XPC_LOG_ALWAYS(("XPCContext @ %x", this));

    53         XPC_LOG_INDENT();

    54         XPC_LOG_ALWAYS(("mRuntime @ %x", mRuntime));

    55         XPC_LOG_ALWAYS(("mJSContext @ %x", mJSContext));

    56         XPC_LOG_ALWAYS(("mLastResult of %x", mLastResult));

    57         XPC_LOG_ALWAYS(("mPendingResult of %x", mPendingResult));

    58         XPC_LOG_ALWAYS(("mException @ %x", mException.get()));

    59         if (depth && mException) {

    60             // XXX show the exception here...

    61         }

    63         XPC_LOG_ALWAYS(("mCallingLangType of %s",

    64                         mCallingLangType == LANG_UNKNOWN ? "LANG_UNKNOWN" :

    65                         mCallingLangType == LANG_JS      ? "LANG_JS" :

    66                         "LANG_NATIVE"));

    67         XPC_LOG_OUTDENT();

    68 #endif

    69 }

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