Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

2 files changed, 280 insertions, 0 deletions

diff --git a/Source/WebCore/bridge/jsc/BridgeJSC.cpp b/Source/WebCore/bridge/jsc/BridgeJSC.cpp
new file mode 100644
index 0000000..49ffb2a
--- /dev/null
+++ b/Source/WebCore/bridge/jsc/BridgeJSC.cpp
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2003, 2006, 2008 Apple Inc. All rights reserved.
+ * Copyright 2010, The Android Open Source Project
+ *
+ * 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 COMPUTER, 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 COMPUTER, 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 "BridgeJSC.h"
+
+#include "runtime_object.h"
+#include "runtime_root.h"
+#include <runtime/JSLock.h>
+
+#if PLATFORM(QT)
+#include "qt_instance.h"
+#endif
+
+namespace JSC {
+
+namespace Bindings {
+
+Array::Array(PassRefPtr<RootObject> rootObject)
+    : m_rootObject(rootObject)
+{
+    ASSERT(m_rootObject);
+}
+
+Array::~Array()
+{
+}
+
+Instance::Instance(PassRefPtr<RootObject> rootObject)
+    : m_rootObject(rootObject)
+{
+    ASSERT(m_rootObject);
+}
+
+Instance::~Instance()
+{
+    ASSERT(!m_runtimeObject);
+    ASSERT(!m_runtimeObject.hasDeadObject());
+}
+
+static KJSDidExecuteFunctionPtr s_didExecuteFunction;
+
+void Instance::setDidExecuteFunction(KJSDidExecuteFunctionPtr func)
+{
+    s_didExecuteFunction = func;
+}
+
+KJSDidExecuteFunctionPtr Instance::didExecuteFunction()
+{
+    return s_didExecuteFunction;
+}
+
+void Instance::begin()
+{
+    virtualBegin();
+}
+
+void Instance::end()
+{
+    virtualEnd();
+}
+
+JSObject* Instance::createRuntimeObject(ExecState* exec)
+{
+    ASSERT(m_rootObject);
+    ASSERT(m_rootObject->isValid());
+    if (RuntimeObject* existingObject = m_runtimeObject.get())
+        return existingObject;
+
+    JSLock lock(SilenceAssertionsOnly);
+    RuntimeObject* newObject = newRuntimeObject(exec);
+    m_runtimeObject = newObject;
+    m_rootObject->addRuntimeObject(newObject);
+    return newObject;
+}
+
+RuntimeObject* Instance::newRuntimeObject(ExecState* exec)
+{
+    JSLock lock(SilenceAssertionsOnly);
+    return new (exec)RuntimeObject(exec, exec->lexicalGlobalObject(), this);
+}
+
+void Instance::willDestroyRuntimeObject(RuntimeObject* object)
+{
+    ASSERT(m_rootObject);
+    ASSERT(m_rootObject->isValid());
+    m_rootObject->removeRuntimeObject(object);
+    m_runtimeObject.clear(object);
+}
+
+void Instance::willInvalidateRuntimeObject(RuntimeObject* object)
+{
+    ASSERT(object);
+    m_runtimeObject.clear(object);
+}
+
+RootObject* Instance::rootObject() const
+{
+    return m_rootObject && m_rootObject->isValid() ? m_rootObject.get() : 0;
+}
+
+} // namespace Bindings
+
+} // namespace JSC
diff --git a/Source/WebCore/bridge/jsc/BridgeJSC.h b/Source/WebCore/bridge/jsc/BridgeJSC.h
new file mode 100644
index 0000000..96974d9
--- /dev/null
+++ b/Source/WebCore/bridge/jsc/BridgeJSC.h
@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2003, 2008, 2009 Apple Inc. All rights reserved.
+ * Copyright 2010, The Android Open Source Project
+ *
+ * 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 COMPUTER, 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 COMPUTER, 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.
+ */
+
+#ifndef BridgeJSC_h
+#define BridgeJSC_h
+
+#if USE(JSC)
+
+#include <runtime/JSString.h>
+#include <wtf/HashMap.h>
+#include <wtf/RefCounted.h>
+#include <wtf/Vector.h>
+
+namespace JSC  {
+
+class ArgList;
+class Identifier;
+class JSGlobalObject;
+class PropertyNameArray;
+class RuntimeMethod;
+
+namespace Bindings {
+
+class Instance;
+class Method;
+class RootObject;
+class RuntimeObject;
+
+typedef Vector<Method*> MethodList;
+
+class Field {
+public:
+    virtual JSValue valueFromInstance(ExecState*, const Instance*) const = 0;
+    virtual void setValueToInstance(ExecState*, const Instance*, JSValue) const = 0;
+
+    virtual ~Field() { }
+};
+
+class Class : public Noncopyable {
+public:
+    virtual MethodList methodsNamed(const Identifier&, Instance*) const = 0;
+    virtual Field* fieldNamed(const Identifier&, Instance*) const = 0;
+    virtual JSValue fallbackObject(ExecState*, Instance*, const Identifier&) { return jsUndefined(); }
+
+    virtual ~Class() { }
+};
+
+typedef void (*KJSDidExecuteFunctionPtr)(ExecState*, JSObject* rootObject);
+
+class Instance : public RefCounted<Instance> {
+public:
+    Instance(PassRefPtr<RootObject>);
+
+    static void setDidExecuteFunction(KJSDidExecuteFunctionPtr func);
+    static KJSDidExecuteFunctionPtr didExecuteFunction();
+
+    // These functions are called before and after the main entry points into
+    // the native implementations.  They can be used to establish and cleanup
+    // any needed state.
+    void begin();
+    void end();
+
+    virtual Class* getClass() const = 0;
+    JSObject* createRuntimeObject(ExecState*);
+    void willInvalidateRuntimeObject(RuntimeObject*);
+    void willDestroyRuntimeObject(RuntimeObject*);
+
+    // Returns false if the value was not set successfully.
+    virtual bool setValueOfUndefinedField(ExecState*, const Identifier&, JSValue) { return false; }
+
+    virtual JSValue getMethod(ExecState* exec, const Identifier& propertyName) = 0;
+    virtual JSValue invokeMethod(ExecState*, RuntimeMethod* method) = 0;
+
+    virtual bool supportsInvokeDefaultMethod() const { return false; }
+    virtual JSValue invokeDefaultMethod(ExecState*) { return jsUndefined(); }
+
+    virtual bool supportsConstruct() const { return false; }
+    virtual JSValue invokeConstruct(ExecState*, const ArgList&) { return JSValue(); }
+
+    virtual void getPropertyNames(ExecState*, PropertyNameArray&) { }
+
+    virtual JSValue defaultValue(ExecState*, PreferredPrimitiveType) const = 0;
+
+    virtual JSValue valueOf(ExecState* exec) const = 0;
+
+    RootObject* rootObject() const;
+
+    virtual ~Instance();
+
+    virtual bool getOwnPropertySlot(JSObject*, ExecState*, const Identifier&, PropertySlot&) { return false; }
+    virtual bool getOwnPropertyDescriptor(JSObject*, ExecState*, const Identifier&, PropertyDescriptor&) { return false; }
+    virtual void put(JSObject*, ExecState*, const Identifier&, JSValue, PutPropertySlot&) { }
+
+protected:
+    virtual void virtualBegin() { }
+    virtual void virtualEnd() { }
+    virtual RuntimeObject* newRuntimeObject(ExecState*);
+
+    RefPtr<RootObject> m_rootObject;
+
+private:
+    WeakGCPtr<RuntimeObject> m_runtimeObject;
+};
+
+class Array : public Noncopyable {
+public:
+    Array(PassRefPtr<RootObject>);
+    virtual ~Array();
+
+    virtual void setValueAt(ExecState*, unsigned index, JSValue) const = 0;
+    virtual JSValue valueAt(ExecState*, unsigned index) const = 0;
+    virtual unsigned int getLength() const = 0;
+
+protected:
+    RefPtr<RootObject> m_rootObject;
+};
+
+const char* signatureForParameters(const ArgList&);
+
+typedef HashMap<RefPtr<StringImpl>, MethodList*> MethodListMap;
+typedef HashMap<RefPtr<StringImpl>, Method*> MethodMap;
+typedef HashMap<RefPtr<StringImpl>, Field*> FieldMap;
+
+} // namespace Bindings
+
+} // namespace JSC
+
+#endif // USE(JSC)
+
+#endif