File: t_class_extern.v

package info (click to toggle)
verilator 5.038-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 162,552 kB
  • sloc: cpp: 139,204; python: 20,931; ansic: 10,222; yacc: 6,000; lex: 1,925; makefile: 1,260; sh: 494; perl: 282; fortran: 22
file content (102 lines) | stat: -rw-r--r-- 2,233 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2020 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0

class Cls;
   int value;
   extern function int ext_f_np;
   extern function int ext_f_p();
   extern function int ext_f_i(int in);
   extern static function int get_1();
   extern task ext_t_np;
   extern task ext_t_p();
   extern task ext_t_i(int in);
   class SubCls;
      int value;
      extern function int ext_f_np;
      extern function int ext_f_p();
      extern function int ext_f_i(int in);
      extern static function int get_10();
      extern task ext_t_np;
      extern task ext_t_p();
      extern task ext_t_i(int in);
   endclass
endclass

function int Cls::ext_f_np;
   return 1;
endfunction

function int Cls::ext_f_p();
   return value;
endfunction

function int Cls::ext_f_i(int in);
   return in+1;
endfunction

function int Cls::get_1();
   return 1;
endfunction

task Cls::ext_t_np();
   $write("*-* All Finished *-*\n");
endtask
task Cls::ext_t_p();
   $finish;
endtask
task Cls::ext_t_i(int in);
   if (in != 2) $stop;
   value = in;
endtask

function int Cls::SubCls::ext_f_np;
   return 10;
endfunction

function int Cls::SubCls::ext_f_p();
   return value;
endfunction

function int Cls::SubCls::ext_f_i(int in);
   return in+10;
endfunction

function int Cls::SubCls::get_10();
   return 10;
endfunction

task Cls::SubCls::ext_t_np();
   $write("Cls::SubCls::ext_t_np\n");
endtask
task Cls::SubCls::ext_t_p();
   $write("Cls::SubCls::ext_t_p\n");
endtask
task Cls::SubCls::ext_t_i(int in);
   if (in != 20) $stop;
   value = in;
endtask


module t (/*AUTOARG*/);
   initial begin
      Cls c = new;
      Cls::SubCls subc = new;
      c.ext_t_i(2);
      if (c.ext_f_np() != 1) $stop;
      if (c.ext_f_p() != 2) $stop;
      if (c.ext_f_i(10) != 11) $stop;
      if (Cls::get_1() != 1) $stop;
      subc.ext_t_i(20);
      if (subc.ext_f_np() != 10) $stop;
      if (subc.ext_f_p() != 20) $stop;
      if (subc.ext_f_i(11) != 21) $stop;
      if (Cls::SubCls::get_10() != 10) $stop;
      subc.ext_t_np();
      subc.ext_t_p();
      c.ext_t_np();
      c.ext_t_p();
   end
endmodule