156 lines
4.0 KiB
C
156 lines
4.0 KiB
C
#ifndef __t_dll_H
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#define __t_dll_H
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/*
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* Copyright (c) 2000 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT) && !defined(macintosh)
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#ident "$Id: t-dll.h,v 1.1 2000/09/18 01:24:32 steve Exp $"
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#endif
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# include "target.h"
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# include "ivl_target.h"
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/*
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* The DLL target type loads a named object file to handle the process
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* of scanning the netlist. When it is time to start the design, I
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* locate and link in the desired DLL, then start calling methods. The
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* DLL will call me back to get information out of the netlist in
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* particular.
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*/
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struct dll_target : public target_t {
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bool start_design(const Design*);
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void end_design(const Design*);
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bool bufz(const NetBUFZ*);
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void event(const NetEvent*);
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void logic(const NetLogic*);
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bool net_const(const NetConst*);
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void net_probe(const NetEvProbe*);
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bool process(const NetProcTop*);
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void scope(const NetScope*);
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void signal(const NetNet*);
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void*dll_;
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string dll_path_;
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ivl_design_t des_;
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start_design_f start_design_;
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end_design_f end_design_;
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net_bufz_f net_bufz_;
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net_const_f net_const_;
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net_event_f net_event_;
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net_logic_f net_logic_;
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net_probe_f net_probe_;
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net_signal_f net_signal_;
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process_f process_;
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scope_f scope_;
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/* These methods and members are used for forming the
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statements of a thread. */
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struct ivl_statement_s*stmt_cur_;
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void proc_assign(const NetAssign*);
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bool proc_block(const NetBlock*);
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void proc_condit(const NetCondit*);
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bool proc_delay(const NetPDelay*);
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bool proc_wait(const NetEvWait*);
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void proc_while(const NetWhile*);
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};
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/*
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* These are various private declarations used by the t-dll target.
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*/
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struct ivl_net_const_s {
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const NetConst*con_;
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};
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struct ivl_net_logic_s {
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const NetLogic*dev_;
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};
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struct ivl_process_s {
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ivl_process_type_t type_;
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ivl_statement_t stmt_;
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};
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/*
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* The ivl_statement_t represents any statement. The type of statement
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* is defined by the ivl_statement_type_t enumeration. Given the type,
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* certain information about the statement may be available.
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*/
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typedef enum ivl_statement_type_e {
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IVL_ST_NONE = 0,
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IVL_ST_NOOP = 1,
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IVL_ST_ASSIGN,
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IVL_ST_BLOCK,
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IVL_ST_CONDIT,
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IVL_ST_DELAY,
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IVL_ST_DELAYX,
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IVL_ST_WAIT,
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IVL_ST_WHILE
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} ivl_statement_type_t;
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struct ivl_statement_s {
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enum ivl_statement_type_e type_;
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union {
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struct { /* IVL_ST_BLOCK */
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struct ivl_statement_s*stmt_;
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unsigned nstmt_;
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} block_;
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struct { /* IVL_ST_CONDIT */
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struct ivl_statement_s*stmt_;
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} condit_;
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struct { /* IVL_ST_DELAY */
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unsigned long delay_;
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ivl_statement_t stmt_;
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} delay_;
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struct { /* IVL_ST_DELAYX */
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int expr_; /* XXXX */
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ivl_statement_t stmt_;
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} delayx_;
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struct { /* IVL_ST_WAIT */
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int cond_; /* XXXX */
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ivl_statement_t stmt_;
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} wait_;
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struct { /* IVL_ST_WHILE */
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int cond_; /* XXXX */
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ivl_statement_t stmt_;
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} while_;
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} u_;
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};
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/*
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* $Log: t-dll.h,v $
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* Revision 1.1 2000/09/18 01:24:32 steve
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* Get the structure for ivl_statement_t worked out.
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*
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*/
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#endif
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