1 files changed, 76 insertions, 0 deletions
diff --git a/Source/WebCore/bindings/js/CommonVM.cpp b/Source/WebCore/bindings/js/CommonVM.cpp
new file mode 100644
index 000000000..0187e19c9
--- /dev/null
+++ b/Source/WebCore/bindings/js/CommonVM.cpp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "CommonVM.h"
+
+#include "ScriptController.h"
+#include "Settings.h"
+#include "WebCoreJSClientData.h"
+#include <heap/HeapInlines.h>
+#include "heap/MachineStackMarker.h"
+#include <runtime/VM.h>
+#include <wtf/MainThread.h>
+#include <wtf/text/AtomicString.h>
+
+#if PLATFORM(IOS)
+#include "WebCoreThreadInternal.h"
+#endif
+
+using namespace JSC;
+
+namespace WebCore {
+
+VM* g_commonVMOrNull;
+
+VM& commonVMSlow()
+{
+    ASSERT(isMainThread());
+    ASSERT(!g_commonVMOrNull);
+    
+    ScriptController::initializeThreading();
+    g_commonVMOrNull = &VM::createLeaked(LargeHeap).leakRef();
+    g_commonVMOrNull->heap.acquireAccess(); // At any time, we may do things that affect the GC.
+#if !PLATFORM(IOS)
+    g_commonVMOrNull->setExclusiveThread(std::this_thread::get_id());
+#else
+    g_commonVMOrNull->heap.setRunLoop(WebThreadRunLoop());
+    g_commonVMOrNull->heap.machineThreads().addCurrentThread();
+#endif
+    
+    g_commonVMOrNull->setGlobalConstRedeclarationShouldThrow(Settings::globalConstRedeclarationShouldThrow());
+    
+    JSVMClientData::initNormalWorld(g_commonVMOrNull);
+    
+    return *g_commonVMOrNull;
+}
+
+void addImpureProperty(const AtomicString& propertyName)
+{
+    commonVM().addImpureProperty(propertyName);
+}
+
+} // namespace WebCore
+