138 lines
4.6 KiB
C++
138 lines
4.6 KiB
C++
/*
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* Copyright (C) 2003, 2008, 2009 Apple Inc. All rights reserved.
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* Copyright 2010, The Android Open Source Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "Bridge.h"
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#include <JavaScriptCore/JSString.h>
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#include <wtf/RefCounted.h>
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#include <wtf/Vector.h>
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namespace JSC {
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class ArgList;
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class Identifier;
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class JSGlobalObject;
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class PropertyNameArray;
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class RuntimeMethod;
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namespace Bindings {
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class Instance;
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class Method;
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class RootObject;
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class RuntimeObject;
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class Field {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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virtual JSValue valueFromInstance(JSGlobalObject*, const Instance*) const = 0;
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virtual bool setValueToInstance(JSGlobalObject*, const Instance*, JSValue) const = 0;
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virtual ~Field() = default;
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};
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class Class {
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WTF_MAKE_NONCOPYABLE(Class); WTF_MAKE_FAST_ALLOCATED;
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public:
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Class() = default;
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virtual Method* methodNamed(PropertyName, Instance*) const = 0;
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virtual Field* fieldNamed(PropertyName, Instance*) const = 0;
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virtual JSValue fallbackObject(JSGlobalObject*, Instance*, PropertyName) { return jsUndefined(); }
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virtual ~Class() = default;
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};
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class Instance : public RefCounted<Instance> {
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public:
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WEBCORE_EXPORT Instance(RefPtr<RootObject>&&);
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// These functions are called before and after the main entry points into
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// the native implementations. They can be used to establish and cleanup
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// any needed state.
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void begin();
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void end();
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virtual Class* getClass() const = 0;
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WEBCORE_EXPORT JSObject* createRuntimeObject(JSGlobalObject*);
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void willInvalidateRuntimeObject();
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// Returns false if the value was not set successfully.
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virtual bool setValueOfUndefinedField(JSGlobalObject*, PropertyName, JSValue) { return false; }
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virtual JSValue getMethod(JSGlobalObject*, PropertyName) = 0;
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virtual JSValue invokeMethod(JSGlobalObject*, CallFrame*, RuntimeMethod* method) = 0;
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virtual bool supportsInvokeDefaultMethod() const { return false; }
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virtual JSValue invokeDefaultMethod(JSGlobalObject*, CallFrame*) { return jsUndefined(); }
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virtual bool supportsConstruct() const { return false; }
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virtual JSValue invokeConstruct(JSGlobalObject*, CallFrame*, const ArgList&) { return JSValue(); }
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virtual void getPropertyNames(JSGlobalObject*, PropertyNameArray&) { }
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virtual JSValue defaultValue(JSGlobalObject*, PreferredPrimitiveType) const = 0;
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virtual JSValue valueOf(JSGlobalObject* exec) const = 0;
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RootObject* rootObject() const;
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WEBCORE_EXPORT virtual ~Instance();
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virtual bool getOwnPropertySlot(JSObject*, JSGlobalObject*, PropertyName, PropertySlot&) { return false; }
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virtual bool put(JSObject*, JSGlobalObject*, PropertyName, JSValue, PutPropertySlot&) { return false; }
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protected:
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virtual void virtualBegin() { }
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virtual void virtualEnd() { }
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WEBCORE_EXPORT virtual RuntimeObject* newRuntimeObject(JSGlobalObject*);
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RefPtr<RootObject> m_rootObject;
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private:
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Weak<RuntimeObject> m_runtimeObject;
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};
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class Array {
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WTF_MAKE_NONCOPYABLE(Array);
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public:
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explicit Array(RefPtr<RootObject>&&);
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virtual ~Array();
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virtual bool setValueAt(JSGlobalObject*, unsigned index, JSValue) const = 0;
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virtual JSValue valueAt(JSGlobalObject*, unsigned index) const = 0;
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virtual unsigned int getLength() const = 0;
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protected:
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RefPtr<RootObject> m_rootObject;
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};
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const char* signatureForParameters(const ArgList&);
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} // namespace Bindings
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} // namespace JSC
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