verilator/test_regress/t/t_struct_unpacked.v
2024-10-03 18:14:53 -04:00

67 lines
1.6 KiB
Systemverilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2009-2023 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0
`define stop $stop
`define checks(gotv,expv) do if ((gotv) != (expv)) begin $write("%%Error: %s:%0d: got='%s' exp='%s'\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0);
`define checkp(gotv,expv_s) do begin string gotv_s; gotv_s = $sformatf("%p", gotv); if ((gotv_s) !== (expv_s)) begin $write("%%Error: %s:%0d: got='%s' exp='%s'\n", `__FILE__,`__LINE__, (gotv_s), (expv_s)); `stop; end end while(0);
class Cls;
typedef struct {
string m_strg;
} underclass_t;
underclass_t m_cstr;
function underclass_t get_cstr();
m_cstr.m_strg = "foo";
return m_cstr;
endfunction
endclass
module x;
typedef struct {
int a, b;
logic [3:0] c;
} embedded_t;
typedef struct {
embedded_t b;
embedded_t tab [3:0];
} notembedded_t;
typedef struct {
logic [15:0] m_i;
string m_s;
} istr_t;
notembedded_t p;
embedded_t t [1:0];
istr_t istr;
string s;
Cls c;
initial begin
t[1].a = 2;
p.b.a = 1;
if (t[1].a != 2) $stop;
if (p.b.a != 1) $stop;
istr.m_i = 12;
istr.m_s = "str1";
`checkp(istr, "'{m_i:'hc, m_s:\"str1\"}");
istr = '{m_i: '1, m_s: "str2"};
`checkp(istr, "'{m_i:'hffff, m_s:\"str2\"}");
c = new;
s = c.get_cstr().m_strg;
`checks(s, "foo");
$write("*-* All Finished *-*\n");
$finish;
end
endmodule