RE: [sv-bc] Expected behavior of macro concatenation of macro

VCS failed on `VALUEb, as you said.

Another simulator failed on both `VALUEa and on `VALUEb.

The third (the one that crashed on your first example), produced

EXP: '0' GOT '0'
EXP: '0' GOT '0'

Regards,
Shalom

> Here's an example to disect further. The VALUEb one seems
> to fail on (I suspect) every simulator.
>
> `define ZERO_0 "0"
> `define CONCAT(a, b) a``b
> `define NOTNOT(a) a
> `define VALUEa(a) `CONCAT(`ZERO_,a)
> `define VALUEb(a) `CONCAT(`ZERO_,`NOTNOT(a))
>
> module t;
> initial begin
> `define CNT 0
> // Works on at least one
> $write("EXP: '0' GOT '"); $write(`VALUEa(`CNT)); $write("'\n");
> // Fails on the one that DOES work
> $write("EXP: '0' GOT '"); $write(`VALUEb(`CNT)); $write("'\n");
> end
> endmodule
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Intel Israel (74) Limited

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