The Tor Browser: js/src/vm/ArgumentsObject-inl.h@129ffea94266

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

     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 #ifndef vm_ArgumentsObject_inl_h

     8 #define vm_ArgumentsObject_inl_h

    10 #include "vm/ArgumentsObject.h"

    12 #include "vm/ScopeObject.h"

    14 #include "jsscriptinlines.h"

    16 #include "vm/ScopeObject-inl.h"

    18 namespace js {

    20 inline const Value &

    21 ArgumentsObject::element(uint32_t i) const

    22 {

    23     JS_ASSERT(!isElementDeleted(i));

    24     const Value &v = data()->args[i];

    25     if (v.isMagic()) {

    26         CallObject &callobj = getFixedSlot(MAYBE_CALL_SLOT).toObject().as<CallObject>();

    27         return callobj.aliasedVarFromArguments(v);

    28     }

    29     return v;

    30 }

    32 inline void

    33 ArgumentsObject::setElement(JSContext *cx, uint32_t i, const Value &v)

    34 {

    35     JS_ASSERT(!isElementDeleted(i));

    36     HeapValue &lhs = data()->args[i];

    37     if (lhs.isMagic()) {

    38         uint32_t slot = lhs.magicUint32();

    39         CallObject &callobj = getFixedSlot(MAYBE_CALL_SLOT).toObject().as<CallObject>();

    40         for (Shape::Range<NoGC> r(callobj.lastProperty()); !r.empty(); r.popFront()) {

    41             if (r.front().slot() == slot) {

    42                 callobj.setAliasedVarFromArguments(cx, lhs, r.front().propid(), v);

    43                 return;

    44             }

    45         }

    46         MOZ_ASSUME_UNREACHABLE("Bad Arguments::setElement");

    47     }

    48     lhs = v;

    49 }

    51 inline bool

    52 ArgumentsObject::maybeGetElements(uint32_t start, uint32_t count, Value *vp)

    53 {

    54     JS_ASSERT(start + count >= start);

    56     uint32_t length = initialLength();

    57     if (start > length || start + count > length || isAnyElementDeleted())

    58         return false;

    60     for (uint32_t i = start, end = start + count; i < end; ++i, ++vp)

    61         *vp = element(i);

    62     return true;

    63 }

    65 } /* namespace js */

    67 #endif /* vm_ArgumentsObject_inl_h */

The Tor Browser / file revision

js/src/vm/ArgumentsObject-inl.h@129ffea94266

js/src/vm/ArgumentsObject-inl.h