js/xpconnect/src/XPCContext.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/xpconnect/src/XPCContext.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,69 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* vim: set ts=8 sts=4 et sw=4 tw=99: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +/* Per JSContext object. */
    1.11 +
    1.12 +#include "xpcprivate.h"
    1.13 +
    1.14 +#include "jsapi.h"
    1.15 +
    1.16 +/***************************************************************************/
    1.17 +
    1.18 +XPCContext::XPCContext(XPCJSRuntime* aRuntime,
    1.19 +                       JSContext* aJSContext)
    1.20 +    :   mRuntime(aRuntime),
    1.21 +        mJSContext(aJSContext),
    1.22 +        mLastResult(NS_OK),
    1.23 +        mPendingResult(NS_OK),
    1.24 +        mCallingLangType(LANG_UNKNOWN)
    1.25 +{
    1.26 +    MOZ_COUNT_CTOR(XPCContext);
    1.27 +
    1.28 +    PR_INIT_CLIST(&mScopes);
    1.29 +
    1.30 +    MOZ_ASSERT(!JS_GetSecondContextPrivate(mJSContext), "Must be null");
    1.31 +    JS_SetSecondContextPrivate(mJSContext, this);
    1.32 +}
    1.33 +
    1.34 +XPCContext::~XPCContext()
    1.35 +{
    1.36 +    MOZ_COUNT_DTOR(XPCContext);
    1.37 +    MOZ_ASSERT(JS_GetSecondContextPrivate(mJSContext) == this, "Must match this");
    1.38 +    JS_SetSecondContextPrivate(mJSContext, nullptr);
    1.39 +
    1.40 +    // Iterate over our scopes and tell them that we have been destroyed
    1.41 +    for (PRCList *scopeptr = PR_NEXT_LINK(&mScopes);
    1.42 +         scopeptr != &mScopes;
    1.43 +         scopeptr = PR_NEXT_LINK(scopeptr)) {
    1.44 +        XPCWrappedNativeScope *scope =
    1.45 +            static_cast<XPCWrappedNativeScope*>(scopeptr);
    1.46 +        scope->ClearContext();
    1.47 +    }
    1.48 +}
    1.49 +
    1.50 +void
    1.51 +XPCContext::DebugDump(int16_t depth)
    1.52 +{
    1.53 +#ifdef DEBUG
    1.54 +    depth--;
    1.55 +    XPC_LOG_ALWAYS(("XPCContext @ %x", this));
    1.56 +        XPC_LOG_INDENT();
    1.57 +        XPC_LOG_ALWAYS(("mRuntime @ %x", mRuntime));
    1.58 +        XPC_LOG_ALWAYS(("mJSContext @ %x", mJSContext));
    1.59 +        XPC_LOG_ALWAYS(("mLastResult of %x", mLastResult));
    1.60 +        XPC_LOG_ALWAYS(("mPendingResult of %x", mPendingResult));
    1.61 +        XPC_LOG_ALWAYS(("mException @ %x", mException.get()));
    1.62 +        if (depth && mException) {
    1.63 +            // XXX show the exception here...
    1.64 +        }
    1.65 +
    1.66 +        XPC_LOG_ALWAYS(("mCallingLangType of %s",
    1.67 +                        mCallingLangType == LANG_UNKNOWN ? "LANG_UNKNOWN" :
    1.68 +                        mCallingLangType == LANG_JS      ? "LANG_JS" :
    1.69 +                        "LANG_NATIVE"));
    1.70 +        XPC_LOG_OUTDENT();
    1.71 +#endif
    1.72 +}

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