Original Redmine Comment
Author Name: Wilson Snyder (@wsnyder)
Original Date: 2011-07-01T01:46:49Z

I think I might have misunderstood the original question. Are you looking for the members of the covergroup, or the variable that instantiates the covergroup (with new())? Neither are presently supported.

My original reading was the members, but now think you want the latter? If so, that's a resolution problem which the parser doesn't deal with; it's currently up to the application to know what's behind a data type (covergroups being just a data type.)

I realized though that there wasn't a way to know what data types were declared as covergroups, so I added a covergroup and endgroup callback. So, you can build a hash with the covergroup callback, and check it on each var.

There's also an internal symbol table that 'sort of' knows it's a covergroup, but that's not presently exposed for some ugly reasons.

Original Redmine Comment
Author Name: Wilson Snyder (@wsnyder)
Original Date: 2011-07-01T01:47:51Z

BTW covergroup/endgroup now in git towards 3.308.

Original Redmine Comment
Author Name: Jon Nall
Original Date: 2011-07-01T02:12:43Z

Thanks for this quick response.

I should have written a reproducer from the start, but was just busy today -- my apologies. Consider the verilog below. These are the args to the var callbacks I see when it gets parsed.

Note the coverGroupInst has no data_type value at all. It would be useful if it could be 'covergroup' (similar to 'struct').

[K: var][N: myReg][O: module][N: ][D: reg][A: ]
[K: var][N: fooA][O: class][N: ][D: reg][A: ]
[K: member][N: structA][O: struct][N: ][D: reg][A: ]
[K: typedef][N: myStruct][O: module][N: ][D: struct][A: ]
[K: var][N: myEvent][O: module][N: ][D: event][A: ]
[K: var][N: fooInst][O: module][N: ][D: myFoo][A: ]
[K: var][N: structInst][O: module][N: ][D: myStruct][A: ]
[K: var][N: coverGroupInst][O: module][N: ][D: ][A: ]

 module gc;

     reg myReg;

     class myFoo;
         reg fooA;
     endclass

     typedef struct
     {
         reg structA;
     } myStruct;

     event myEvent;

     covergroup  myCoverGroup @(myEvent);

     myCoverPoint: coverpoint myReg
     {
         bins A = {1'b0};
         bins B = {1'b1};
     }

     endgroup // myCoverGroup

     myFoo fooInst = new;
     myStruct structInst;
     myCoverGroup coverGroupInst = new;

endmodule

Original Redmine Comment
Author Name: Wilson Snyder (@wsnyder)
Original Date: 2011-07-01T02:32:18Z

Ahh, having a empty data_type is just a typo. Fixed in git towards 3.308.

The var callback will now return "myCoverGroup" - if you want to know that's a covergroup, an application could use the new callback to remember the declaration names, and look it up on the var callback.

Original Redmine Comment
Author Name: Jon Nall
Original Date: 2011-07-01T02:34:11Z

Perfect, thanks!

Original Redmine Comment
Author Name: Wilson Snyder (@wsnyder)
Original Date: 2011-07-22T23:46:02Z

In 3.310