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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-11-10 11:39:27 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-11-10 11:39:27 +0100
commit974a481d12bf430891725bd3662876358e57e11a (patch)
treecad011151456251fef2f1b8d02ef4b4e45fad61a /js/xpconnect/wrappers/XrayWrapper.cpp
parent6bd66b1728eeddb058066edda740aaeb2ceaec23 (diff)
parent736d25cbec4541186ed46c935c117ce4d1c7f3bb (diff)
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Merge branch 'master' into js-modules
# Conflicts: # modules/libpref/init/all.js
Diffstat (limited to 'js/xpconnect/wrappers/XrayWrapper.cpp')
-rw-r--r--js/xpconnect/wrappers/XrayWrapper.cpp14
1 files changed, 14 insertions, 0 deletions
diff --git a/js/xpconnect/wrappers/XrayWrapper.cpp b/js/xpconnect/wrappers/XrayWrapper.cpp
index 48a9fdc68..6e5a2f5e5 100644
--- a/js/xpconnect/wrappers/XrayWrapper.cpp
+++ b/js/xpconnect/wrappers/XrayWrapper.cpp
@@ -2309,6 +2309,20 @@ XrayWrapper<Base, Traits>::getBuiltinClass(JSContext* cx, JS::HandleObject wrapp
}
template <typename Base, typename Traits>
+bool
+XrayWrapper<Base, Traits>::hasInstance(JSContext* cx,
+ JS::HandleObject wrapper,
+ JS::MutableHandleValue v,
+ bool* bp) const {
+ assertEnteredPolicy(cx, wrapper, JSID_VOID, BaseProxyHandler::GET);
+
+ // CrossCompartmentWrapper::hasInstance unwraps |wrapper|'s Xrays and enters
+ // its compartment. Any present XrayWrappers should be preserved, so the
+ // standard "instanceof" implementation is called without unwrapping first.
+ return JS::InstanceofOperator(cx, wrapper, v, bp);
+}
+
+template <typename Base, typename Traits>
const char*
XrayWrapper<Base, Traits>::className(JSContext* cx, HandleObject wrapper) const
{