sc_signal.hh revision 12933
112841Sgabeblack@google.com/*
212841Sgabeblack@google.com * Copyright 2018 Google, Inc.
312841Sgabeblack@google.com *
412841Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without
512841Sgabeblack@google.com * modification, are permitted provided that the following conditions are
612841Sgabeblack@google.com * met: redistributions of source code must retain the above copyright
712841Sgabeblack@google.com * notice, this list of conditions and the following disclaimer;
812841Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright
912841Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the
1012841Sgabeblack@google.com * documentation and/or other materials provided with the distribution;
1112841Sgabeblack@google.com * neither the name of the copyright holders nor the names of its
1212841Sgabeblack@google.com * contributors may be used to endorse or promote products derived from
1312841Sgabeblack@google.com * this software without specific prior written permission.
1412841Sgabeblack@google.com *
1512841Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1612841Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1712841Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1812841Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1912841Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
2012841Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
2112841Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2212841Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2312841Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2412841Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
2512841Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2612841Sgabeblack@google.com *
2712841Sgabeblack@google.com * Authors: Gabe Black
2812841Sgabeblack@google.com */
2912841Sgabeblack@google.com
3012841Sgabeblack@google.com#ifndef __SYSTEMC_EXT_CHANNEL_SC_SIGNAL_HH__
3112841Sgabeblack@google.com#define __SYSTEMC_EXT_CHANNEL_SC_SIGNAL_HH__
3212841Sgabeblack@google.com
3312841Sgabeblack@google.com#include <iostream>
3412933Sgabeblack@google.com#include <string>
3512933Sgabeblack@google.com#include <vector>
3612841Sgabeblack@google.com
3712841Sgabeblack@google.com#include "../core/sc_module.hh" // for sc_gen_unique_name
3812841Sgabeblack@google.com#include "../core/sc_prim.hh"
3912841Sgabeblack@google.com#include "sc_signal_inout_if.hh"
4012841Sgabeblack@google.com#include "warn_unimpl.hh" // for warn_unimpl
4112841Sgabeblack@google.com
4212841Sgabeblack@google.comnamespace sc_core
4312841Sgabeblack@google.com{
4412841Sgabeblack@google.com
4512841Sgabeblack@google.comclass sc_port_base;
4612933Sgabeblack@google.comclass sc_trace_file;
4712933Sgabeblack@google.com
4812933Sgabeblack@google.com// Nonstandard
4912933Sgabeblack@google.com// Despite having a warning "FOR INTERNAL USE ONLY!" in all caps above this
5012933Sgabeblack@google.com// class definition in the Accellera implementation, it appears in their
5112933Sgabeblack@google.com// examples and test programs, and so we need to have it here as well.
5212933Sgabeblack@google.comstruct sc_trace_params
5312933Sgabeblack@google.com{
5412933Sgabeblack@google.com    sc_trace_file *tf;
5512933Sgabeblack@google.com    std::string name;
5612933Sgabeblack@google.com
5712933Sgabeblack@google.com    sc_trace_params(sc_trace_file *tf, const std::string &name) :
5812933Sgabeblack@google.com        tf(tf), name(name)
5912933Sgabeblack@google.com    {}
6012933Sgabeblack@google.com};
6112933Sgabeblack@google.comtypedef std::vector<sc_trace_params *> sc_trace_params_vec;
6212841Sgabeblack@google.com
6312841Sgabeblack@google.comtemplate <class T, sc_writer_policy WRITER_POLICY=SC_ONE_WRITER>
6412841Sgabeblack@google.comclass sc_signal : public sc_signal_inout_if<T>,
6512841Sgabeblack@google.com                  public sc_prim_channel
6612841Sgabeblack@google.com{
6712841Sgabeblack@google.com  public:
6812841Sgabeblack@google.com    sc_signal() : sc_signal_inout_if<T>(),
6912841Sgabeblack@google.com                  sc_prim_channel(sc_gen_unique_name("signal"))
7012841Sgabeblack@google.com    {}
7112841Sgabeblack@google.com    explicit sc_signal(const char *name) : sc_signal_inout_if<T>(),
7212841Sgabeblack@google.com                                           sc_prim_channel(name)
7312841Sgabeblack@google.com    {}
7412912Sgabeblack@google.com    explicit sc_signal(const char *name, const T &initial_value) :
7512912Sgabeblack@google.com        sc_signal_inout_if<T>(), sc_prim_channel(name)
7612912Sgabeblack@google.com    {
7712912Sgabeblack@google.com        // Need to consume initial_value.
7812912Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
7912912Sgabeblack@google.com    }
8012841Sgabeblack@google.com    virtual ~sc_signal() {}
8112841Sgabeblack@google.com
8212841Sgabeblack@google.com    virtual void
8312841Sgabeblack@google.com    register_port(sc_port_base &, const char *)
8412841Sgabeblack@google.com    {
8512841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
8612841Sgabeblack@google.com    }
8712841Sgabeblack@google.com
8812841Sgabeblack@google.com    virtual const T&
8912841Sgabeblack@google.com    read() const
9012841Sgabeblack@google.com    {
9112841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
9212841Sgabeblack@google.com        return *(const T *)nullptr;
9312841Sgabeblack@google.com    }
9412841Sgabeblack@google.com    operator const T&() const
9512841Sgabeblack@google.com    {
9612841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
9712841Sgabeblack@google.com        return *(const T *)nullptr;
9812841Sgabeblack@google.com    }
9912841Sgabeblack@google.com
10012841Sgabeblack@google.com    virtual sc_writer_policy
10112841Sgabeblack@google.com    get_writer_policy() const
10212841Sgabeblack@google.com    {
10312841Sgabeblack@google.com        return WRITER_POLICY;
10412841Sgabeblack@google.com    }
10512841Sgabeblack@google.com    virtual void
10612841Sgabeblack@google.com    write(const T&)
10712841Sgabeblack@google.com    {
10812841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
10912841Sgabeblack@google.com    }
11012841Sgabeblack@google.com    sc_signal<T, WRITER_POLICY> &
11112841Sgabeblack@google.com    operator = (const T&)
11212841Sgabeblack@google.com    {
11312841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
11412841Sgabeblack@google.com        return *this;
11512841Sgabeblack@google.com    }
11612841Sgabeblack@google.com    sc_signal<T, WRITER_POLICY> &
11712841Sgabeblack@google.com    operator = (const sc_signal<T, WRITER_POLICY> &)
11812841Sgabeblack@google.com    {
11912841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
12012841Sgabeblack@google.com        return *this;
12112841Sgabeblack@google.com    }
12212841Sgabeblack@google.com
12312841Sgabeblack@google.com    virtual const sc_event &
12412841Sgabeblack@google.com    default_event() const
12512841Sgabeblack@google.com    {
12612841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
12712841Sgabeblack@google.com        return *(sc_event *)nullptr;
12812841Sgabeblack@google.com    }
12912841Sgabeblack@google.com    virtual const sc_event &
13012841Sgabeblack@google.com    value_changed_event() const
13112841Sgabeblack@google.com    {
13212841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
13312841Sgabeblack@google.com        return *(sc_event *)nullptr;
13412841Sgabeblack@google.com    }
13512841Sgabeblack@google.com    virtual bool
13612841Sgabeblack@google.com    event() const
13712841Sgabeblack@google.com    {
13812841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
13912841Sgabeblack@google.com        return false;
14012841Sgabeblack@google.com    }
14112841Sgabeblack@google.com
14212841Sgabeblack@google.com    virtual void
14312841Sgabeblack@google.com    print(std::ostream & =std::cout) const
14412841Sgabeblack@google.com    {
14512841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
14612841Sgabeblack@google.com    }
14712841Sgabeblack@google.com    virtual void
14812841Sgabeblack@google.com    dump(std::ostream & =std::cout) const
14912841Sgabeblack@google.com    {
15012841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
15112841Sgabeblack@google.com    }
15212841Sgabeblack@google.com    virtual const char *kind() const { return "sc_signal"; }
15312841Sgabeblack@google.com
15412841Sgabeblack@google.com  protected:
15512841Sgabeblack@google.com    virtual void
15612841Sgabeblack@google.com    update()
15712841Sgabeblack@google.com    {
15812841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
15912841Sgabeblack@google.com    }
16012841Sgabeblack@google.com
16112841Sgabeblack@google.com  private:
16212841Sgabeblack@google.com    // Disabled
16312841Sgabeblack@google.com    sc_signal(const sc_signal<T, WRITER_POLICY> &) :
16412841Sgabeblack@google.com            sc_signal_inout_if<T>(), sc_prim_channel("")
16512841Sgabeblack@google.com    {}
16612841Sgabeblack@google.com};
16712841Sgabeblack@google.com
16812841Sgabeblack@google.comtemplate <class T, sc_writer_policy WRITER_POLICY>
16912841Sgabeblack@google.cominline std::ostream &
17012841Sgabeblack@google.comoperator << (std::ostream &os, const sc_signal<T, WRITER_POLICY> &)
17112841Sgabeblack@google.com{
17212841Sgabeblack@google.com    sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
17312841Sgabeblack@google.com    return os;
17412841Sgabeblack@google.com}
17512841Sgabeblack@google.com
17612841Sgabeblack@google.comtemplate <sc_writer_policy WRITER_POLICY>
17712841Sgabeblack@google.comclass sc_signal<bool, WRITER_POLICY> :
17812841Sgabeblack@google.com    public sc_signal_inout_if<bool>, public sc_prim_channel
17912841Sgabeblack@google.com{
18012841Sgabeblack@google.com  public:
18112841Sgabeblack@google.com    sc_signal()
18212841Sgabeblack@google.com    {
18312841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
18412841Sgabeblack@google.com    }
18512841Sgabeblack@google.com    explicit sc_signal(const char *)
18612841Sgabeblack@google.com    {
18712841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
18812841Sgabeblack@google.com    }
18912912Sgabeblack@google.com    explicit sc_signal(const char *name, const bool &initial_value) :
19012912Sgabeblack@google.com        sc_signal_inout_if<bool>(), sc_prim_channel(name)
19112912Sgabeblack@google.com    {
19212912Sgabeblack@google.com        // Need to consume initial_value.
19312912Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
19412912Sgabeblack@google.com    }
19512841Sgabeblack@google.com    virtual ~sc_signal()
19612841Sgabeblack@google.com    {
19712841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
19812841Sgabeblack@google.com    }
19912841Sgabeblack@google.com
20012841Sgabeblack@google.com    virtual void
20112841Sgabeblack@google.com    register_port(sc_port_base &, const char *)
20212841Sgabeblack@google.com    {
20312841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
20412841Sgabeblack@google.com    }
20512841Sgabeblack@google.com
20612841Sgabeblack@google.com    virtual const bool &
20712841Sgabeblack@google.com    read() const
20812841Sgabeblack@google.com    {
20912841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
21012841Sgabeblack@google.com        return *(const bool *)nullptr;
21112841Sgabeblack@google.com    }
21212841Sgabeblack@google.com    operator const bool &() const
21312841Sgabeblack@google.com    {
21412841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
21512841Sgabeblack@google.com        return *(const bool *)nullptr;
21612841Sgabeblack@google.com    }
21712841Sgabeblack@google.com
21812841Sgabeblack@google.com    virtual sc_writer_policy
21912841Sgabeblack@google.com    get_writer_policy() const
22012841Sgabeblack@google.com    {
22112841Sgabeblack@google.com        return WRITER_POLICY;
22212841Sgabeblack@google.com    }
22312841Sgabeblack@google.com    virtual void
22412841Sgabeblack@google.com    write(const bool &)
22512841Sgabeblack@google.com    {
22612841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
22712841Sgabeblack@google.com    }
22812841Sgabeblack@google.com    sc_signal<bool, WRITER_POLICY> &
22912841Sgabeblack@google.com    operator = (const bool &)
23012841Sgabeblack@google.com    {
23112841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
23212841Sgabeblack@google.com        return *this;
23312841Sgabeblack@google.com    }
23412841Sgabeblack@google.com    sc_signal<bool, WRITER_POLICY> &
23512841Sgabeblack@google.com    operator = (const sc_signal<bool, WRITER_POLICY> &)
23612841Sgabeblack@google.com    {
23712841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
23812841Sgabeblack@google.com        return *this;
23912841Sgabeblack@google.com    }
24012841Sgabeblack@google.com
24112841Sgabeblack@google.com    virtual const sc_event &
24212841Sgabeblack@google.com    default_event() const
24312841Sgabeblack@google.com    {
24412841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
24512841Sgabeblack@google.com        return *(sc_event *)nullptr;
24612841Sgabeblack@google.com    }
24712841Sgabeblack@google.com
24812841Sgabeblack@google.com    virtual const sc_event &
24912841Sgabeblack@google.com    value_changed_event() const
25012841Sgabeblack@google.com    {
25112841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
25212841Sgabeblack@google.com        return *(sc_event *)nullptr;
25312841Sgabeblack@google.com    }
25412841Sgabeblack@google.com    virtual const sc_event &
25512841Sgabeblack@google.com    posedge_event() const
25612841Sgabeblack@google.com    {
25712841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
25812841Sgabeblack@google.com        return *(sc_event *)nullptr;
25912841Sgabeblack@google.com    }
26012841Sgabeblack@google.com    virtual const sc_event &
26112841Sgabeblack@google.com    negedge_event() const
26212841Sgabeblack@google.com    {
26312841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
26412841Sgabeblack@google.com        return *(sc_event *)nullptr;
26512841Sgabeblack@google.com    }
26612841Sgabeblack@google.com
26712841Sgabeblack@google.com    virtual bool
26812841Sgabeblack@google.com    event() const
26912841Sgabeblack@google.com    {
27012841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
27112841Sgabeblack@google.com        return false;
27212841Sgabeblack@google.com    }
27312841Sgabeblack@google.com    virtual bool
27412841Sgabeblack@google.com    posedge() const
27512841Sgabeblack@google.com    {
27612841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
27712841Sgabeblack@google.com        return false;
27812841Sgabeblack@google.com    }
27912841Sgabeblack@google.com    virtual bool
28012841Sgabeblack@google.com    negedge() const
28112841Sgabeblack@google.com    {
28212841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
28312841Sgabeblack@google.com        return false;
28412841Sgabeblack@google.com    }
28512841Sgabeblack@google.com
28612841Sgabeblack@google.com    virtual void
28712841Sgabeblack@google.com    print(std::ostream & =std::cout) const
28812841Sgabeblack@google.com    {
28912841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
29012841Sgabeblack@google.com    }
29112841Sgabeblack@google.com    virtual void
29212841Sgabeblack@google.com    dump(std::ostream & =std::cout) const
29312841Sgabeblack@google.com    {
29412841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
29512841Sgabeblack@google.com    }
29612841Sgabeblack@google.com    virtual const char *kind() const { return "sc_signal"; }
29712841Sgabeblack@google.com
29812841Sgabeblack@google.com  protected:
29912841Sgabeblack@google.com    virtual void
30012841Sgabeblack@google.com    update()
30112841Sgabeblack@google.com    {
30212841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
30312841Sgabeblack@google.com    }
30412841Sgabeblack@google.com
30512841Sgabeblack@google.com  private:
30612841Sgabeblack@google.com    // Disabled
30712841Sgabeblack@google.com    sc_signal(const sc_signal<bool, WRITER_POLICY> &) :
30812841Sgabeblack@google.com            sc_signal_inout_if<bool>(), sc_prim_channel("")
30912841Sgabeblack@google.com    {}
31012841Sgabeblack@google.com};
31112841Sgabeblack@google.com
31212841Sgabeblack@google.comtemplate <sc_writer_policy WRITER_POLICY>
31312841Sgabeblack@google.comclass sc_signal<sc_dt::sc_logic, WRITER_POLICY> :
31412841Sgabeblack@google.com    public sc_signal_inout_if<sc_dt::sc_logic>, public sc_prim_channel
31512841Sgabeblack@google.com{
31612841Sgabeblack@google.com  public:
31712841Sgabeblack@google.com    sc_signal()
31812841Sgabeblack@google.com    {
31912841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
32012841Sgabeblack@google.com    }
32112841Sgabeblack@google.com    explicit sc_signal(const char *)
32212841Sgabeblack@google.com    {
32312841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
32412841Sgabeblack@google.com    }
32512912Sgabeblack@google.com    explicit sc_signal(const char *name,
32612912Sgabeblack@google.com            const sc_dt::sc_logic &initial_value) :
32712912Sgabeblack@google.com        sc_signal_inout_if<sc_dt::sc_logic>(), sc_prim_channel(name)
32812912Sgabeblack@google.com    {
32912912Sgabeblack@google.com        // Need to consume initial_value.
33012912Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
33112912Sgabeblack@google.com    }
33212841Sgabeblack@google.com    virtual ~sc_signal()
33312841Sgabeblack@google.com    {
33412841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
33512841Sgabeblack@google.com    }
33612841Sgabeblack@google.com
33712841Sgabeblack@google.com    virtual void
33812841Sgabeblack@google.com    register_port(sc_port_base &, const char *)
33912841Sgabeblack@google.com    {
34012841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
34112841Sgabeblack@google.com    }
34212841Sgabeblack@google.com
34312841Sgabeblack@google.com    virtual const sc_dt::sc_logic &
34412841Sgabeblack@google.com    read() const
34512841Sgabeblack@google.com    {
34612841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
34712841Sgabeblack@google.com        return *(const sc_dt::sc_logic *)nullptr;
34812841Sgabeblack@google.com    }
34912841Sgabeblack@google.com    operator const sc_dt::sc_logic &() const
35012841Sgabeblack@google.com    {
35112841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
35212841Sgabeblack@google.com        return *(const sc_dt::sc_logic *)nullptr;
35312841Sgabeblack@google.com    }
35412841Sgabeblack@google.com
35512841Sgabeblack@google.com    virtual sc_writer_policy
35612841Sgabeblack@google.com    get_writer_policy() const
35712841Sgabeblack@google.com    {
35812841Sgabeblack@google.com        return WRITER_POLICY;
35912841Sgabeblack@google.com    }
36012841Sgabeblack@google.com    virtual void
36112841Sgabeblack@google.com    write(const sc_dt::sc_logic &)
36212841Sgabeblack@google.com    {
36312841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
36412841Sgabeblack@google.com    }
36512841Sgabeblack@google.com    sc_signal<sc_dt::sc_logic, WRITER_POLICY> &
36612841Sgabeblack@google.com    operator = (const sc_dt::sc_logic &)
36712841Sgabeblack@google.com    {
36812841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
36912841Sgabeblack@google.com        return *this;
37012841Sgabeblack@google.com    }
37112841Sgabeblack@google.com    sc_signal<sc_dt::sc_logic, WRITER_POLICY> &
37212841Sgabeblack@google.com    operator = (const sc_signal<sc_dt::sc_logic, WRITER_POLICY> &)
37312841Sgabeblack@google.com    {
37412841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
37512841Sgabeblack@google.com        return *this;
37612841Sgabeblack@google.com    }
37712841Sgabeblack@google.com
37812841Sgabeblack@google.com    virtual const sc_event &
37912841Sgabeblack@google.com    default_event() const
38012841Sgabeblack@google.com    {
38112841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
38212841Sgabeblack@google.com        return *(sc_event *)nullptr;
38312841Sgabeblack@google.com    }
38412841Sgabeblack@google.com
38512841Sgabeblack@google.com    virtual const sc_event &
38612841Sgabeblack@google.com    value_changed_event() const
38712841Sgabeblack@google.com    {
38812841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
38912841Sgabeblack@google.com        return *(sc_event *)nullptr;
39012841Sgabeblack@google.com    }
39112841Sgabeblack@google.com    virtual const sc_event &
39212841Sgabeblack@google.com    posedge_event() const
39312841Sgabeblack@google.com    {
39412841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
39512841Sgabeblack@google.com        return *(sc_event *)nullptr;
39612841Sgabeblack@google.com    }
39712841Sgabeblack@google.com    virtual const sc_event &
39812841Sgabeblack@google.com    negedge_event() const
39912841Sgabeblack@google.com    {
40012841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
40112841Sgabeblack@google.com        return *(sc_event *)nullptr;
40212841Sgabeblack@google.com    }
40312841Sgabeblack@google.com
40412841Sgabeblack@google.com    virtual bool
40512841Sgabeblack@google.com    event() const
40612841Sgabeblack@google.com    {
40712841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
40812841Sgabeblack@google.com        return false;
40912841Sgabeblack@google.com    }
41012841Sgabeblack@google.com    virtual bool
41112841Sgabeblack@google.com    posedge() const
41212841Sgabeblack@google.com    {
41312841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
41412841Sgabeblack@google.com        return false;
41512841Sgabeblack@google.com    }
41612841Sgabeblack@google.com    virtual bool
41712841Sgabeblack@google.com    negedge() const
41812841Sgabeblack@google.com    {
41912841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
42012841Sgabeblack@google.com        return false;
42112841Sgabeblack@google.com    }
42212841Sgabeblack@google.com
42312841Sgabeblack@google.com    virtual void
42412841Sgabeblack@google.com    print(std::ostream & =std::cout) const
42512841Sgabeblack@google.com    {
42612841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
42712841Sgabeblack@google.com    }
42812841Sgabeblack@google.com    virtual void
42912841Sgabeblack@google.com    dump(std::ostream & =std::cout) const
43012841Sgabeblack@google.com    {
43112841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
43212841Sgabeblack@google.com    }
43312841Sgabeblack@google.com    virtual const char *kind() const { return "sc_signal"; }
43412841Sgabeblack@google.com
43512841Sgabeblack@google.com  protected:
43612841Sgabeblack@google.com    virtual void
43712841Sgabeblack@google.com    update()
43812841Sgabeblack@google.com    {
43912841Sgabeblack@google.com        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
44012841Sgabeblack@google.com    }
44112841Sgabeblack@google.com
44212841Sgabeblack@google.com  private:
44312841Sgabeblack@google.com    // Disabled
44412841Sgabeblack@google.com    sc_signal(const sc_signal<sc_dt::sc_logic, WRITER_POLICY> &) :
44512841Sgabeblack@google.com            sc_signal_inout_if<sc_dt::sc_logic>(), sc_prim_channel("")
44612841Sgabeblack@google.com    {}
44712841Sgabeblack@google.com};
44812841Sgabeblack@google.com
44912841Sgabeblack@google.com} // namespace sc_core
45012841Sgabeblack@google.com
45112841Sgabeblack@google.com#endif  //__SYSTEMC_EXT_CHANNEL_SC_SIGNAL_HH__
452