PERL Beginners - How to write a Perl script to analyze a Verilog code?

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How to write a Perl script to analyze a Verilog code?

Fei

2005-08-03, 10:00 pm

Hi All
Here is an interesting question:
"Given a combinational circuit, for each primary output, find the
number of primary inputs that this output depends on."

It is easy to do structual analysis for a small-size circuit. But for a
circuit with million gates, we need to find a effecient way.
Now assume a gate-level Verilog code for this circuit is given, I plan
to write a script (e.g., Perl) to scan this Verilog code, then for each
output, trace back to find the primary input on which it depends. But I
am new to Perl. :(
So could you please give me any suggestion or any script example for
references? or is there other way to address this problem effeceintly?

Thanks very much!
Fei

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