/*
	This file is part of cpp-ethereum.

	cpp-ethereum is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	cpp-ethereum is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once

#include "VMFace.h"

namespace dev
{
namespace eth
{

enum class VMKind
{
	Interpreter,
	JIT,
	Smart
};

class VMFactory
{
public:
	VMFactory() = delete;

	/// Creates a VM instance of global kind (controlled by setKind() function).
	static std::unique_ptr<VMFace> create(u256 _gas);

	/// Creates a VM instance of kind provided.
	static std::unique_ptr<VMFace> create(VMKind _kind, u256 _gas);

	/// Set global VM kind
	static void setKind(VMKind _kind);
};

}
}