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/* $Id$
* Driver: one driver associated to a signal name.
*
* 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 __DRIVER_HPP_INCLUDED
#define __DRIVER_HPP_INCLUDED
#include "frontend/ast/SignalDeclaration.hpp"
namespace ast {
//! represents one VHDL driver relative to a complete type.
/** This can represent one driver of a VHDL signal. It will always reflect
* the complete type, i.e. a driver of a composite type is a driver, that
* has drivers to each elements embedded.
*/
class Driver {
public:
//! c'tor
/** @param d corresponding SignalDeclaration.
* @param counter unique driver counter.
* @param n SimpleName referencing the declaration
*/
Driver(
const SignalDeclaration &d,
unsigned int counter,
SimpleName *reference);
//! d'tor.
~Driver();
//! find out the storage name of the driver
/** @return storage name of the driver
* FIXME this changes the ABI because it has the number embedded.
* (the name of a procedure call's driver would change hence).
*/
std::string getICName(void) const {
return this->signal.getICName() + "__driver__"
+ util::MiscUtil::toString(this->cnt);
}
//! find out the foreign name of the driver
/** @return foreign name of the driver.
*/
std::string getForeignName(void) const {
return (*this->signal.name) + "__driver__";
}
//! corresponding SignalDeclaration
const SignalDeclaration &signal;
/** SimpleName referring to the declaration */
SimpleName *n;
private:
/** counter to guarantee that two drivers to the same signal result in
* a unique name.
*/
unsigned int cnt;
};
}; /* namespace ast */
#endif /* __DRIVER_HPP_INCLUDED */
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