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#ifndef __functor_H
#define __functor_H
/*
* Copyright (c) 1999-2008 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
/*
* The functor is an object that can be applied to a design to
* transform it. This is different from the target_t, which can only
* scan the design but not transform it in any way.
*
* When a functor it scanning a process, signal or node, the functor
* is free to manipulate the list by deleting items, including the
* node being scanned. The Design class scanner knows how to handle
* the situation. However, if objects are added to the netlist, there
* is no guarantee that object will be scanned unless the functor is
* rerun.
*/
class Design;
class NetNet;
class NetProcTop;
struct functor_t {
virtual ~functor_t();
/* Events are scanned here. */
virtual void event(class Design*des, class NetEvent*);
/* This is called once for each signal in the design. */
virtual void signal(class Design*des, class NetNet*);
/* This method is called for each process in the design. */
virtual void process(class Design*des, class NetProcTop*);
/* This method is called for each structural abs(). */
virtual void lpm_abs(class Design*des, class NetAbs*);
/* This method is called for each structural adder. */
virtual void lpm_add_sub(class Design*des, class NetAddSub*);
/* This method is called for each structural comparator. */
virtual void lpm_compare(class Design*des, class NetCompare*);
/* This method is called for each structural constant. */
virtual void lpm_const(class Design*des, class NetConst*);
/* This method is called for each structural constant. */
virtual void lpm_divide(class Design*des, class NetDivide*);
/* Constant literals. */
virtual void lpm_literal(class Design*des, class NetLiteral*);
/* This method is called for each structural constant. */
virtual void lpm_modulo(class Design*des, class NetModulo*);
/* This method is called for each FF in the design. */
virtual void lpm_ff(class Design*des, class NetFF*);
/* Handle LPM combinational logic devices. */
virtual void lpm_logic(class Design*des, class NetLogic*);
/* This method is called for each multiplier. */
virtual void lpm_mult(class Design*des, class NetMult*);
/* This method is called for each MUX. */
virtual void lpm_mux(class Design*des, class NetMux*);
/* This method is called for each power. */
virtual void lpm_pow(class Design*des, class NetPow*);
/* This method is called for each unary reduction gate. */
virtual void lpm_ureduce(class Design*des, class NetUReduce*);
virtual void sign_extend(class Design*des, class NetSignExtend*);
};
struct proc_match_t {
virtual ~proc_match_t();
virtual int assign(class NetAssign*);
virtual int assign_nb(class NetAssignNB*);
virtual int condit(class NetCondit*);
virtual int event_wait(class NetEvWait*);
virtual int block(class NetBlock*);
};
#endif
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