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/* $Id$
*
* RegisterFactory: create and keep track of virtual registers.
*
* Copyright (C) 2008-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#ifndef __REGISTER_FACTORY_HPP_INCLUDED
#define __REGISTER_FACTORY_HPP_INCLUDED
#include <vector>
#include "intermediate/operands/Register.hpp"
namespace intermediate {
//FIXME nest class in CodeContainer
//! create virtual register (operands).
/** TODO keep better track of handed out vregs?
*/
class RegisterFactory {
public:
//! obtain the vector of register types.
/** @return vector of register types. Do not fiddle with it!
*/
const std::vector<enum OpType>&
getRegTypes(void) const {
return this->regTypes;
}
private:
friend class CodeContainer;
//! c'tor
RegisterFactory() : regTypes(std::vector<enum OpType>()) {}
//! create a virtual Register.
/** @param type type of the virtual register operand
* @return newly created virtual register.
*/
Register *
getReg(enum OpType type);
/** return the number of created virtual registers.
* @return number of created virtual registers.
*/
size_t getNumUsedRegs(void) const;
//! vector containing the types of the Registers.
std::vector<enum OpType> regTypes;
};
}; /* namespace intermediate */
#endif /* __REGISTER_FACTORY_HPP_INCLUDED */
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