Add m-esr52 at 52.6.0

1 files changed, 74 insertions, 0 deletions

diff --git a/xpcom/reflect/xptinfo/xptiTypelibGuts.cpp b/xpcom/reflect/xptinfo/xptiTypelibGuts.cpp
new file mode 100644
index 000000000..e2965d0b1
--- /dev/null
+++ b/xpcom/reflect/xptinfo/xptiTypelibGuts.cpp
@@ -0,0 +1,74 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* Implementation of xptiTypelibGuts. */
+
+#include "xptiprivate.h"
+#include "mozilla/XPTInterfaceInfoManager.h"
+
+using namespace mozilla;
+
+// Ensure through static analysis that xptiTypelibGuts won't have a vtable.
+template <class T>
+class MOZ_NEEDS_NO_VTABLE_TYPE CheckNoVTable
+{
+};
+CheckNoVTable<xptiTypelibGuts> gChecker;
+
+// static
+xptiTypelibGuts*
+xptiTypelibGuts::Create(XPTHeader* aHeader)
+{
+    NS_ASSERTION(aHeader, "bad param");
+    size_t n = sizeof(xptiTypelibGuts) +
+               sizeof(xptiInterfaceEntry*) * (aHeader->num_interfaces - 1);
+    void* place = XPT_CALLOC8(gXPTIStructArena, n);
+    if (!place)
+        return nullptr;
+    return new(place) xptiTypelibGuts(aHeader);
+}
+
+xptiInterfaceEntry*
+xptiTypelibGuts::GetEntryAt(uint16_t i)
+{
+    static const nsID zeroIID =
+        { 0x0, 0x0, 0x0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } };
+
+    NS_ASSERTION(mHeader, "bad state");
+    NS_ASSERTION(i < GetEntryCount(), "bad index");
+
+    xptiInterfaceEntry* r = mEntryArray[i];
+    if (r)
+        return r;
+
+    XPTInterfaceDirectoryEntry* iface = mHeader->interface_directory + i;
+
+    XPTInterfaceInfoManager::xptiWorkingSet& set =
+        XPTInterfaceInfoManager::GetSingleton()->mWorkingSet;
+
+    {
+        ReentrantMonitorAutoEnter monitor(set.mTableReentrantMonitor);
+        if (iface->iid.Equals(zeroIID))
+            r = set.mNameTable.Get(iface->name);
+        else
+            r = set.mIIDTable.Get(iface->iid);
+    }
+
+    if (r)
+        SetEntryAt(i, r);
+
+    return r;
+}
+
+const char*
+xptiTypelibGuts::GetEntryNameAt(uint16_t i)
+{
+    NS_ASSERTION(mHeader, "bad state");
+    NS_ASSERTION(i < GetEntryCount(), "bad index");
+
+    XPTInterfaceDirectoryEntry* iface = mHeader->interface_directory + i;
+
+    return iface->name;
+}