[apple/javascriptcore.git] / replay / NondeterministicInput.h

/*
 * Copyright (C) 2011, 2012 University of Washington. All rights reserved.
 * Copyright (C) 2014 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT
 * HOLDER 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 NondeterministicInput_h
#define NondeterministicInput_h

#if ENABLE(WEB_REPLAY)

#include <wtf/Forward.h>
#include <wtf/Noncopyable.h>

namespace JSC {

class EncodedValue;

enum class InputQueue {
    ScriptMemoizedData = 0,
    LoaderMemoizedData = 1,
    EventLoopInput = 2,
    Count = 3
};

template<typename InputType>
struct JS_EXPORT_PRIVATE InputTraits {
    static InputQueue queue();
    static String& type();

    static void encode(EncodedValue& encodedInput, InputType& decodedInput);
    static bool decode(EncodedValue& encodedInput, std::unique_ptr<InputType>& decodedInput);
};

class NondeterministicInputBase {
    WTF_MAKE_NONCOPYABLE(NondeterministicInputBase);
public:
    NondeterministicInputBase() { }
    virtual ~NondeterministicInputBase() { }

    virtual const String& type() const = 0;
    virtual InputQueue queue() const = 0;
};

template<typename InputType>
class NondeterministicInput : public NondeterministicInputBase {
public:
    virtual const String& type() const override
    {
        return InputTraits<InputType>::type();
    }

    virtual InputQueue queue() const override
    {
        return InputTraits<InputType>::queue();
    }
};

} // namespace JSC

using JSC::InputQueue;
using JSC::InputTraits;
using JSC::NondeterministicInput;
using JSC::NondeterministicInputBase;

#endif // ENABLE(WEB_REPLAY)

#endif // NondeterministicInput_h
Commit	Line	Data
81345200 A	1	/*
	2	* Copyright (C) 2011, 2012 University of Washington. All rights reserved.
	3	* Copyright (C) 2014 Apple Inc. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	*
	9	* 1. Redistributions of source code must retain the above copyright
	10	* notice, this list of conditions and the following disclaimer.
	11	* 2. Redistributions in binary form must reproduce the above copyright
	12	* notice, this list of conditions and the following disclaimer in the
	13	* documentation and/or other materials provided with the distribution.
	14	*
	15	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
	16	* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
	17	* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
	18	* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	19	* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	20	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	21	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	22	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	23	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	24	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	25	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	26	*/
	27
	28	#ifndef NondeterministicInput_h
	29	#define NondeterministicInput_h
	30
	31	#if ENABLE(WEB_REPLAY)
	32
	33	#include <wtf/Forward.h>
	34	#include <wtf/Noncopyable.h>
	35
	36	namespace JSC {
	37
	38	class EncodedValue;
	39
	40	enum class InputQueue {
	41	ScriptMemoizedData = 0,
	42	LoaderMemoizedData = 1,
	43	EventLoopInput = 2,
	44	Count = 3
	45	};
	46
	47	template<typename InputType>
	48	struct JS_EXPORT_PRIVATE InputTraits {
	49	static InputQueue queue();
ed1e77d3	50	static String& type();
81345200 A	51
	52	static void encode(EncodedValue& encodedInput, InputType& decodedInput);
	53	static bool decode(EncodedValue& encodedInput, std::unique_ptr<InputType>& decodedInput);
	54	};
	55
	56	class NondeterministicInputBase {
	57	WTF_MAKE_NONCOPYABLE(NondeterministicInputBase);
	58	public:
	59	NondeterministicInputBase() { }
	60	virtual ~NondeterministicInputBase() { }
	61
ed1e77d3	62	virtual const String& type() const = 0;
81345200 A	63	virtual InputQueue queue() const = 0;
	64	};
	65
	66	template<typename InputType>
	67	class NondeterministicInput : public NondeterministicInputBase {
ed1e77d3 A	68	public:
ed1e77d3 A	69	virtual const String& type() const override
81345200 A	70	{
	71	return InputTraits<InputType>::type();
	72	}
	73
	74	virtual InputQueue queue() const override
	75	{
	76	return InputTraits<InputType>::queue();
	77	}
	78	};
	79
	80	} // namespace JSC
	81
	82	using JSC::InputQueue;
	83	using JSC::InputTraits;
	84	using JSC::NondeterministicInput;
	85	using JSC::NondeterministicInputBase;
	86
	87	#endif // ENABLE(WEB_REPLAY)
	88
	89	#endif // NondeterministicInput_h