test02.cpp revision 12855:588919e0e4aa 
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20/*****************************************************************************
21
22  test02.cpp --
23
24  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
25
26 *****************************************************************************/
27
28/*****************************************************************************
29
30  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
31  changes you are making here.
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33      Name, Affiliation, Date:
34  Description of Modification:
35
36 *****************************************************************************/
37
38// test of signals with user-defined datatypes
39// -- operator =, operator ==, and operator << must be defined
40// -- sc_trace() does not have to be defined (unless used)
41// -- here, sc_trace() is defined and used
42
43#include "systemc.h"
44
45class my_datatype
46{
47public:
48    my_datatype()
49        : m_val( 0 ) {}
50    my_datatype( int val_ )
51        : m_val( val_ ) {}
52    my_datatype( const my_datatype& a )
53        : m_val( a.m_val ) {}
54    ~my_datatype()
55        {}
56    my_datatype& operator = ( const my_datatype& a )
57        { m_val = a.m_val; return *this; }
58    friend bool operator == ( const my_datatype& a, const my_datatype& b )
59        { return ( a.m_val == b.m_val ); }
60    friend void sc_trace( sc_trace_file* tf, const my_datatype& a,
61                          const std::string& name )
62        { sc_core::sc_trace( tf, a.m_val, name ); }
63    void print( ostream& os ) const
64        { os << m_val; }
65private:
66    int m_val;
67};
68
69ostream&
70operator << ( ostream& os, const my_datatype& a )
71{
72    a.print( os );
73    return os;
74}
75
76int
77sc_main( int, char*[] )
78{
79    my_datatype a( 123 );
80    a.print( cout );
81    cout << endl;
82
83    sc_signal<my_datatype> sig;
84
85    sc_trace_file* tf = sc_create_vcd_trace_file( "test02" );
86    sc_trace( tf, sig, "sig" );
87    for( int i = 0; i < 10; ++ i ) {
88        sig = my_datatype( 10 - i );
89        sc_start( 1, SC_NS );
90        cout << sig.read() << endl;
91    }
92    sc_close_vcd_trace_file( tf );
93
94    return 0;
95}
96